• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a device and a method for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies which belong to the field of measurement technology. The device comprises in particular an end clamp, wherein the end clamp clamps at one end of the long tube and the end clamp is firmly connected to a moving measuring device via a data line, the moving measuring device being placed in the long tube, with a Support and lifting device is provided, and wherein a group of data displays is embedded in the end clamp and the data displays are connected to the moving measuring device in a data-transmitting manner. The invention overcomes the drawback in the prior art and provides a robot for clearing the obstruction in a horizontal underground long pipe. In the invention, a traveling measuring device is provided which completely measures the inner roughness of the inner wall of the long pipe during its travel within the long pipe in order to find out the point at which the roughness does not meet the requirement for a further adjustment of the roughness, if necessary .
    公开号:BE1027523B1
    申请号:E20205578
    申请日:2020-08-20
    公开日:2021-06-08
    发明作者:Beiyi Wang
    申请人:Guangdong Polytechnic；
    IPC主号:
    专利说明:

    * BE2020 / 5578 Description of device and method for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies Technical field The present invention relates to the field of measurement technologies, in particular a device and a method for measuring the roughness of an inner wall of a long pipe on the basis of tests - and measurement technologies.
    PRIOR ART In the measurement and land surveying operation, the measurement of roughness places high demands on accuracy.
    The conventional technologies of the sensors for roughness measurement have been tried and tested.
    However, during practical measurement it can occur that the sensor cannot enter a long pipe, the internal roughness of which is to be measured.
    Since the precise measurement of the internal roughness of the pipe is very important in some areas of special work, there is an urgent need for a device which can measure the internal roughness of a long pipe.
    DISCLOSURE OF THE INVENTION In order to overcome the above-mentioned disadvantage in the prior art, the invention provides a device and a method for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies.
    In the invention, a traveling measuring device is provided which measures the internal roughness while it is traveling within a long pipe in order to ensure that the roughness within the long pipe meets the quality requirement.
    ° BE2020 / 5578
    In the present invention the following technical solution is used:
    A device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies comprises an end clamp, the end clamp being at one end of the long pipe
    Rohrs clamps and the end clamp is firmly connected to a moving measuring device via a data line, the moving measuring device is placed in the long tube, with a support and lifting device being provided at a lower end of the end clamp, with a group of data displays in the end clamp is embedded and the data displays are connected to the moving measuring device for data transmission,
    wherein the traveling measuring device comprises a traveling mechanism, a driven mechanism, and a roughness measuring device, the traveling mechanism and the driven mechanism being arranged at an outer end of the roughness measuring device, the traveling mechanism and the driven mechanism being in contact with the inner wall of the long tube,
    wherein the roughness measuring device comprises a group of mounting frames, the mounting frames being circular-cylindrical frames, with a front measuring device or a rear measuring device being provided at a front or rear end of the mounting frame, wherein between the front measuring device and the rear measuring device there is also an exit Drive device is provided; wherein the front measuring device and the rear measuring device each have a group of
    Mounting housings, a slide rail in each case being incorporated into an outer end of the mounting housing, a guide rail matching the sliding rail being provided in the mounting frame, a group of rotary drive electric motors being provided in the mounting housings,
    > BE2020 / 5578 where the main shafts of the rotary drive electric motors are firmly connected to a group of measuring disks, with some groups of mounting holes being machined equidistantly into an outer end face of the measuring disk, a group of roughness sensors being provided in each of the mounting holes, the roughness sensor over a data line is connected to the data display for data transmission, the exit drive device comprising an exit drive electric motor, a main shaft of the exit drive electric motor being connected to a group of exit drive gears by serrations and the exit drive gears with two groups of exit driven gears mesh, the two groups of exit output gears being provided at the ends of two groups of exit drive screws, ball screw nuts coordinating the exit drive screws being placed on the exit drive screws, exit drive sliding seats being fitted onto outer ends of the nut of the exit drive screws, the exit drive sliding seats being integral with a group of extension drive sleeves, and the exit drive sleeves being integral with the mounting housings.
    It is further provided that the end clamp comprises a clamping frame, the data display being mounted at a rear end of the clamping frame, a longitudinal roller being mounted in a central part of the clamping frame, a longitudinal cable being wound on the longitudinal roller, with another end of the longitudinal cable with of the traveling measuring device is firmly connected, two groups of fixed jaw supports being provided at a front end of the clamping frame in the horizontal direction, with two groups of at the front end of the clamping frame in the vertical direction
    ° BE2020 / 5578 retractable jaw supports are provided, with one jaw attachment each being provided at the ends of the retractable jaw supports and the fixed jaw supports; wherein the extensible jaw support comprises hollow supports, the hollow supports being located at upper and lower ends of the clamping frame, a group of extendable electric cylinders being provided within the hollow supports, with free ends of the extendable electric cylinders connected to a group of jaw mounts are; wherein the jaw attachment comprises an electric jaw cylinder, a fixed end of the electric jaw cylinder being attached to one end of the extendable jaw support and to one end of the fixed jaw support; wherein free ends of the electric jaw cylinders are firmly connected to a group of curved jaws, and wherein a non-slip rubber layer is glued to the acting end faces of the curved jaws.
    It is also provided that graduation lines are drawn on the longitudinal rope.
    Furthermore, it is provided that the support and lifting device comprises two groups of support frames, wherein the support frames are attached to two sides of the clamping frame, wherein a group of electrical support cylinders is embedded in the support frame, and wherein free ends of the electrical support cylinder with a group of Support plates are firmly connected.
    It is also provided that the data displays are a group of LED displays, the LED displays being connected to a group of PLC controls for data transmission, and inputs of the PLC controls being connected to the roughness sensors for data transmission.
    > BE2020 / 5578 It is also provided that the driving mechanism comprises two groups of symmetrically arranged curved driving plates, with three groups of movable drive rollers being provided equidistantly on the outer end faces of the curved driving plates, each movable drive roller being permanently connected to a main shaft of a group of roller drive electric motors wherein the roller drive electric motors are arranged on a drive roller holder, the drive roller holder being arranged on an outer end face of the curved traveling plate, the curved traveling plate being firmly connected to the traveling measuring device by a self-adaptive device; wherein the output mechanism comprises two groups of symmetrically arranged curved output plates, with three groups of output rollers being provided equidistantly on outer end faces of the curved output plates, the output rollers being arranged via a rotary shaft on a output roller holder, and the output roller holder on an outer end face of the curved output plate is arranged.
    It is further provided that the self-adaptive device comprises a hollow adaptive arm, a group of adaptive electric motors being provided within the hollow adaptive arm, the main shafts of the adaptive electric motors being firmly connected to a group of adaptive screws, with ball screw nuts coordinating with the adaptive screws are placed on the adaptive screws, with a group of adaptive sliding seats being provided at outer ends of the ball screw nut, with four groups of optical holes being machined into the adaptive sliding seats, with one in the hollow adaptive arm
    ° BE2020 / 5578 group of guide rails running parallel to the adaptive screws is provided, wherein the adaptive sliding seats are further arranged through the optical holes on the guide rails, the adaptive sliding seats are further fixedly connected to a group of adaptive extendable arms, the adaptive extendable arms are tubular, the adaptive extendable arms being placed on outer ends of the adaptive screws, the adaptive extendable arm extending and retracting in the hollow adaptive arm, the hollow adaptive arm being fixedly connected to the traveling measuring device, and wherein the adaptive extendable arm is firmly connected to the curved driving plate.
    A measuring method by means of a device for measuring the roughness of an inner wall of a long pipe based on test and measuring technologies comprises the following steps: Step a: first clamping of the long pipe: fixing the long pipe by the two groups of fixed jaw supports and those at their front ends located jaw fastenings, wherein the traveling measuring device is located on an extension of an interior of the long tube; Step b: obliquely supporting the long pipe: turning on an electric lifting cylinder in the support and lifting device so that an inner lifting cylinder is lifted and finally one end of the long pipe is completely lifted to make the long pipe incline; Step c: second clamping of the long tube: after the long tube has been supported, controlling the extendable jaw support so that it extends in order to perform a second clamping of the long tube with the jaw attachment at the front end of the extendable jaw support; Step d: Detecting the inner roughness of the long pipe: Moving the roughness measuring device through the
    'BE2020 / 5578 Driving mechanism in the long tube, and simultaneous extension of the two groups of assembly housings by means of the extension drive device from the assembly frame, so that the measuring disc extends outwards and the roughness sensors on the outer face of the measuring disc measure the roughness of the inner wall of the long pipe can grasp; Rotating the measuring disk by the rotation drive electric motors by a small radian during the detection, so that the roughness sensors can detect the roughness of the entire circumferential inner wall at the measuring point in order to ensure the accuracy of the measurement data; and step e: displaying the measurement data: detecting the signal by the roughness sensors, transmitting the signal to an input of the PLC controller, converting the signal by the PLC controller, and displaying the signal on the LED display to the operator read out.
    The invention has the following advantageous aspects compared to the prior art: In the invention, a traveling measuring device is provided which completely measures the inner roughness of the inner wall of the long pipe during its travel within the long pipe in order to determine the point at which the roughness does not meet the requirement to find out a further adjustment of the roughness.
    The invention adapts to the long tubes of different diameters by forming a self-adaptive device to ensure that a single device can measure different long tubes, saving the cost of inspection.
    The data displays according to the invention can accurately represent the roughness data for use by the
    To facilitate the operator as well as the reading out of the data by an untrained user. Brief Description of the Figures Figure 1 shows a schematic structural view of the present invention; Figure 2 shows a schematic structural view of an end clamp of the present invention; Figure 3 shows a side view of the end clamp of the present invention; FIG. 4 shows a schematic structural view of a traveling measuring device of the present invention; Figure 5 shows a schematic structural view of a self-adaptive device of the present invention; and FIG. 6 shows a schematic structural view of an output mechanism of the present invention. DETAILED EMBODIMENTS The present invention is described in more detail in connection with the figures.
    It can be seen from Fig. 1-6 that a device according to the invention for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies comprises an end clamp 2, the end clamp 2 clamped at one end of the long tube and the end clamp 2 via a Data line is firmly connected to a moving measuring device 30, the moving measuring device 30 being laid in the long tube, a supporting and lifting device 4 being provided at a lower end of the end clamp 2, with a group of data displays 5 embedded in the end clamp 2 and the data displays 5 are connected to the traveling measuring device 30 for data transmission;
    ) BE2020 / 5578 wherein the traveling measuring device 30 comprises a traveling mechanism 1, a driven mechanism 7, and a roughness measuring device 3, the traveling mechanism 1 and the driven mechanism 7 being arranged at an outer end of the roughness measuring device 3, the traveling mechanism 1 and the driven mechanism 7 with are in contact with the inner wall of the long tube, the roughness measuring device 3 comprising a group of mounting frames 3-1, the mounting frames 3-1 being circular-cylindrical frames.
    a front measuring device 3-2 or a rear measuring device 3-3 is provided at the rear end of the mounting frame 3-1, wherein an exit drive device 3-4 is also provided between the front measuring device 3- 2 and the rear measuring device 3-3; wherein the front measuring device 3-2 and the rear measuring device 3-3 each comprise a group of mounting housings 3-3-1, a slide rail 3-3-2 being incorporated into an outer end of the mounting housing 3-3-1, with In the mounting frame 3-1 a guide rail coordinating with the slide rail 3-3-2 is provided, a group of rotary drive electric motors 3-3-3 being provided in the mounting housings 3-3-1, the main shafts of the rotary drive electric motors 3-3-3 being provided. 3-3 is firmly connected to a group of measuring disks 3-3-4, with some groups of mounting holes being machined equidistantly into an outer face of the measuring disk 3-3-4, with a group of roughness sensors 3-3- in each of the mounting holes. 5 is provided, the roughness sensor 3-3-5 being connected to the data display 5 for data transmission via a data line; wherein the exit drive device 3-4 comprises an exit drive electric motor 3-4-1, a main shaft of the exit drive electric motor 3-4-1 having a group of
    Exit drive gears are connected by splines and the exit drive gears mesh with two groups of exit drive gears, the two groups of exit drive gears being provided at the ends of two groups of exit drive screws 3-4-2, with the exit -Drive screws 3-4-2 matching ball screw nuts are fitted onto the exit drive screws 3-4-2, with exit drive sliding seats 3-4-3 being placed on outer ends of the nut of the exit drive screws 3-4-2, the Exit drive sliding seats 3-4-3 are rigidly connected to a group of exit drive sleeves 3-4-4, and the exit drive sleeves 3-4-4 are rigidly connected to the mounting housings 3-3-1.
    In particular, the end clamp 2 comprises a clamping frame 2- 1, the data display 5 being mounted on a rear end of the clamping frame 2-1, with a longitudinal roller 2-2 being mounted in a central part of the clamping frame 2-1, wherein on the longitudinal roller 2- 2, a longitudinal rope 2-3 is wound up, another end of the longitudinal rope 2-3 being firmly connected to the moving measuring device 30, two groups of fixed jaw supports 2-4 being provided at a front end of the clamping frame 2-1 in the horizontal direction are, wherein at the front end of the clamping frame 2-1 in the vertical direction two groups of extendable jaw supports 2-5 are provided, with one jaw attachment 2-6 provided at each end of the extendable jaw supports 2-5 and the fixed jaw supports 2-4 is; wherein the extensible jaw support 2-5 comprises hollow supports 2-5-1, the hollow supports 2-5-1 are arranged at an upper and lower end of the clamping frame 2-1, with one inside the hollow supports 2-5-1 Group of extendable electric cylinders 2-5-2 is provided, with free ends of the extendable electric cylinders 2-5-2 with a group of
    Jaw attachments 2-6 are connected; wherein the jaw attachment 2-6 comprises an electric jaw cylinder 2-6-1, a fixed end of the electric jaw cylinder 2-6-1 being attached to one end of the extendable jaw support 2-5 and to one end of the fixed jaw seats 2-4; wherein free ends of the electric jaw cylinder 2-6-1 are firmly connected to a group of curved jaws 2-6-2, and wherein a non-slip rubber layer is glued to the acting end faces of the curved jaws 2-6-2.
    In particular, 2-3 graduation lines are drawn on the longitudinal rope.
    According to a device for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies according to one embodiment, it is provided that the support and lifting device 4 comprises two groups of support frames 4-1, the support frames 4-1 on two sides of the clamping frame 2-1 are attached, wherein a group of electrical support cylinders 4-2 is embedded in the support frames 4-1, and wherein free ends of the electrical support cylinders 4-2 are fixedly connected to a group of support plates 4-3.
    In particular, the data displays 5 are a group of LED displays, the LED displays being connected to a group of PLC controls for data transmission, and inputs of the PLC controls being connected to the roughness sensors 3-3-5 for data transmission.
    In particular, the travel mechanism 1 comprises two groups of symmetrically arranged curved travel plates 1-1, three groups of movable drive rollers 1-2 being provided equidistantly on outer end faces of the curved travel plates 1-1, each movable drive roller 1-2 each having a main shaft one Group of roller drive electric motors is firmly connected, the roller drive electric motors are arranged on a drive roller holder 1-5, the drive roller holder 1-5 being arranged on an outer end face of the curved driving plate 1-1, the curved driving plate 1-1 by a self-adaptive device 1 -6 is firmly connected to the moving measuring device 30; The output mechanism 7 comprises two groups of symmetrically arranged curved output plates 7-1, with three groups of output rollers 7-2 being provided equidistantly on the outer end faces of the curved output plates 7-1, the output rollers 7-2 on a drive roller holder 7 via a rotary shaft -2- l are arranged, and wherein the output roller holder 7-2- l is arranged on an outer end face of the curved output plate 7- l.
    In particular, the self-adaptive device 1-6 comprises a hollow adaptive arm 1-6-1, a group of adaptive electric motors being provided within the hollow adaptive arm 1-6-1, with main shafts of the adaptive electric motors firmly connected to a group of adaptive screws with ball screw nuts tuned to the adaptive screws being fitted on the adaptive screws, with a group of adaptive sliding seats 1-6-3 being provided at outer ends of the ball screw nut, with four groups of optical holes in the adaptive sliding seats 1-6-3 are incorporated, wherein in the hollow adaptive arm 1-6-1 a group of guide rails 1-6-2 running parallel to the adaptive screws is provided, the adaptive sliding seats 1-6-3 further through the optical holes on the guide rails 1 -6-2 are arranged, wherein the adaptive sliding seats 1-6-3 are further firmly connected to a group of adaptive extendable arms 1-6-4, wherein the adaptive extendable arms 1-6-4 are tubular, the adaptive extendable arms 1-6-4 are placed on outer ends of the adaptive screws, the adaptive extendable arm 1-6-4 in the hollow adaptive arm 1- 6-1 extends and retracts, the hollow adaptive arm 1-6-1 being firmly connected to the traveling measuring device 30, and the adaptive extendable arm 1-6-4 being firmly connected to the curved driving plate 1-1.
    A measuring method by means of a device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies comprises the following steps: Step a: first clamping of the long pipe: fixing the long pipe by the two groups of fixed jaw supports 2-4 and the on jaw attachments 2-6 located at their front ends, the traveling measuring device 30 being located on an extension of an interior of the long pipe; Step b: obliquely supporting the long pipe: turning on an electric lifting cylinder in the support and lifting device 4 so that an inner lifting cylinder is lifted and finally one end of the long pipe is completely lifted to make the long pipe incline; Step c: Second clamping of the long tube: After the long tube has been supported, controlling the extendable jaw support 2-5 so that it extends to enable a second clamping of the with the jaw attachment 2-6 on the front end of the extendable jaw support 2-5 long pipe to be made; Step d: Detection of the inner roughness of the long pipe: Driving the roughness measuring device 3 by the driving mechanism 1 in the long pipe, and simultaneously extending the two groups of mounting housings 3-3-1 by means of the extension drive device 3-4 from the mounting frame 3-1 so that the measuring disc 3-3-4 extends outwards and the roughness sensors 3-3-5 on the outer face of the measuring disc 3-3-4 can detect the roughness of the inner wall of the long tube; Rotation of the measuring disk 3-3-4 by the rotation drive electric motors 3-3-3 by a small radian during the acquisition, so that the roughness sensors 3-3-5 can detect the roughness of the entire circumferential inner wall at the measuring point in order to ensure the accuracy to ensure the measurement data; and step e: display of the measurement data: acquisition of the signal by the roughness sensors 3-3-5, transmission of the signal to an input of the PLC control, conversion of the signal by the PLC control, and display of the signal on the LED display, to read it out by the operator.
    The exemplary embodiments described above are only exemplary explanations of the present application, which are not intended to restrict the scope of protection of the application.
    The person skilled in the art can make partial changes to the exemplary embodiments which are intended to be included in the scope of protection of the application, as long as they do not deviate from the essence of the application.
    权利要求:
    Claims (8)
    [1]
    1. Device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies, comprising an end clamp (2), characterized in that the end clamp (2) clamps at one end of the long pipe and the end clamp (2) via a data line is firmly connected to a moving measuring device (30), the moving measuring device (30) being placed in the long tube, a supporting and lifting device (4) being provided at a lower end of the end clamp (2), a group of Data displays (5) is embedded in the end terminal (2) and the data displays (5) are connected to the moving measuring device (30) for data transmission; wherein the traveling measuring device (30) comprises a traveling mechanism (1), a driven mechanism (7), and a roughness measuring device (3), the traveling mechanism (1) and the driven mechanism (7) being arranged at an outer end of the roughness measuring device (3) wherein the driving mechanism (1) and the driven mechanism (7) are in contact with the inner wall of the long tube, the roughness measuring device (3) comprising a group of mounting frames (3-1), the mounting frames (3-1) being circular-cylindrical frames are, with a front measuring device (3-2) and a rear measuring device (3-3) being provided at a front or rear end of the mounting frame (3-1), wherein between the front measuring device (3-2) and the rear measuring device (3-3) furthermore an exit drive device (3-4) is provided; wherein the front measuring device (3-2) and the rear measuring device (3-3) each comprise a group of mounting housings (3-3-1), with a slide rail (3-3-2) in each case in an outer end of the mounting housing ( 3-3-1) is incorporated,
    wherein a guide rail matching the slide rail (3-3-2) is provided in the mounting frame (3-1), a group of rotary drive electric motors (3-3-3) being provided in the mounting housings (3-3-1) , the main shafts of the rotary drive electric motors (3-3-3) being firmly connected to a group of measuring disks (3-3-4), with some groups of assembly holes being machined equidistantly into an outer end face of the measuring disk (3-3-4) a group of roughness sensors (3-3-5) is provided in each of the mounting holes, the roughness sensor (3-3-5) being connected to the data display (5) for data transmission via a data line; wherein the exit drive device (3-4) comprises an exit drive electric motor (3-4-1), wherein a main shaft of the exit drive electric motor (3-4-1) is splined to a group of exit drive gears and the Mesh exit drive gears with two groups of exit drive gears, the two groups of exit drive gears each being provided at the ends of two groups of exit drive screws (3-4-2), with the exit drive screws (3-4- 2) matching ball screw nuts are placed on the exit drive screws (3-4-2) with exit drive sliding seats (3-4-3) placed on outer ends of the nut of the exit drive screws (3-4-2) with the exit drive sliding seats (3- 4-3) are firmly connected to a group of exit drive sleeves (3-4-4), and the exit drive sleeves (3-4-4) with the mounting housings (3-3- 1) are firmly connected.
    [2]
    2. Device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies according to claim 1, characterized in that the end clamp (2) comprises a clamping frame (2-1), the data display (5) at a rear end of the Clamping frame (2-1) is mounted, a longitudinal roller (2-2) is mounted in a central part of the clamping frame (2- 1), wherein a longitudinal rope (2-3) is wound on the longitudinal roller (2-2), wherein another end of the longitudinal cable (2-3) is firmly connected to the moving measuring device (30), two groups of fixed jaw supports (2-4) being provided at a front end of the clamping frame (2-1) in the horizontal direction, wherein at the front end of the clamping frame (2-1) in the vertical direction two groups of extendable jaw supports (2-5) are provided, at ends of the extendable jaw supports (2-5) and the fixed jaw supports (2-4) respectively a jaw attachment (2-6) is provided; wherein the extendable jaw support (2-5) comprises hollow supports (2-5-1), the hollow supports (2-5-1) being arranged at an upper and lower end of the clamping frame (2-1), within the hollow supports (2-5-1) a group of extendable electric cylinders (2-5-2) is provided, with free ends of the extendable electric cylinders (2-5-2) connected to a group of jaw fastenings (2-6) are; wherein the jaw attachment (2-6) comprises an electric jaw cylinder (2-6-1), a fixed end of the electric jaw cylinder (2-6-1) at one end of the extendable jaw support (2-5) and at one end of the fixed jaw support (2-4) is attached; wherein free ends of the electric jaw cylinder (2-6-1) are firmly connected to a group of curved jaws (2-6-2), and a non-slip rubber layer is glued to the acting end faces of the curved jaws (2-6-2) .
    [3]
    3. Device for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies according to claim 2, characterized in that graduation lines are drawn on the longitudinal rope (2-3).
    [4]
    4. Device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies according to claim 1, characterized in that the support and lifting device (4) comprises two groups of support frames (4-1), the support frames (4- 1) are attached to two sides of the clamping frame (2-1), with a group of electrical support cylinders (4-2) embedded in the support frame (4-1), and with free ends of the electrical support cylinders (4-2) with a group of support plates (4-3) are firmly connected.
    [5]
    5. Finrichtung for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies according to claim 1, characterized in that the data displays (5) are a group of LED displays, the LED displays transmitting data with a group of PLC Controllers are connected, and inputs of the PLC controllers are connected to the roughness sensors (3-3-5) for data transmission.
    [6]
    6. Device for measuring the roughness of an inner wall of a long pipe on the basis of test and measurement technologies according to claim 1, characterized in that the driving mechanism (1) comprises two groups of symmetrically arranged curved driving plates (1-1), with the curved driving plates on the outer end faces Driving plates (1-1) are equidistantly provided with three groups of movable drive rollers (1-2), each movable drive roller (1-2) being firmly connected to a main shaft of a group of roller drive electric motors (1-3), the roller drive electric motors ( 1-3) are arranged on a drive roller holder (1-5), the drive roller holder (1-5) being arranged on an outer end face of the curved driving plate (1-1), the curved
    Driving plate (1-1) is firmly connected to the moving measuring device (30) by a self-adaptive device (1-6); wherein the output mechanism (7) comprises two groups of symmetrically arranged curved output plates (7-1), three groups of output rollers (7-2) being provided equidistantly on the outer end faces of the curved output plates (7-1), the output rollers having one Rotary shaft are arranged on a driven roller holder (7-2-1), and wherein the driven roller holder (7-2-1) is arranged on an outer end face of the curved output plate (7-1).
    [7]
    7. Device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies according to claim 6, characterized in that the self-adaptive device (1-6) comprises a hollow adaptive arm (1-6-1), wherein inside the hollow adaptive arm (1-6-1) a group of adaptive electric motors is provided, the main shafts of the adaptive electric motors being firmly connected to a group of adaptive screws, with ball screw nuts tuned to the adaptive screws being placed on the adaptive screws, with outer ends the ball screw nut a group of adaptive sliding seats (1-6-3) is provided, with four groups of optical holes being machined into the adaptive sliding seats (1-6-3), wherein in the hollow adaptive arm (1-6-1) a group of guide rails (1-6-2) running parallel to the adaptive screws is provided, the adaptive sliding seats (1-6-3) further through the optical holes on the Guide rails (1-6-2) are arranged, wherein the adaptive sliding seats (1-6-3) are further firmly connected to a group of adaptive extendable arms (1-6-4), the adaptive extendable arms (1-6 -4) are tubular, the adaptive extendable arms (1-6-4) are placed on outer ends of the adaptive screws, the adaptive extendable arm (1-6-4) in the hollow adaptive arm (1-6- 1) extends and retracts, the hollow adaptive arm (1-6-1) being firmly connected to the moving measuring device (30), and the adaptive extendable arm (1-6-4) with the curved driving plate (1- 1) is firmly connected.
    [8]
    8. Measuring method by means of a device for measuring the roughness of an inner wall of a long pipe based on test and measurement technologies according to one of claims 1-7, characterized in that the measuring method comprises the following steps: Step a: first clamping of the long pipe: fastening the long tube through the two sets of fixed jaw supports (2-4) and the jaw attachments (2-6) located at their front ends, the traveling measuring device (30) being located on an extension of an interior of the long tube; Step b: obliquely supporting the long pipe: switching on an electric lifting cylinder in the support and lifting device (4) so that an inner lifting cylinder is lifted and finally one end of the long pipe is completely lifted to make the long pipe incline; Step c: Second clamping of the long tube: After the long tube has been supported, control the extendable jaw support (2-5) so that it extends to connect with the jaw attachment (2-6) on the front end of the extendable jaw support (2-5). 5) to do a second clamping of the long tube; Step d: Detection of the inner roughness of the long pipe: Moving the roughness measuring device (3) by the driving mechanism (1) in the long pipe, and at the same time extending the two groups of assembly housings (3-3-1) by means of the extending drive device (3- 4) from the mounting frame
    (3-1) so that the measuring disc (3-3-4) extends outwards and the roughness sensors (3-3-5) on the outer face of the measuring disc (3-3-4) measure the roughness of the inner wall of the long Can capture pipe; Turning the measuring disc (3-
    3-4) by the rotation drive electric motors (3-3-3) by a small radian during the detection, so that the roughness sensors (3-3-5) can detect the roughness of the entire circumferential inner wall at the measuring point to ensure the accuracy to ensure the measurement data; and
    Step e: Display of the measurement data: Acquisition of the signal by the roughness sensors (3-3-5), transmission of the signal to an input of the PLC control, conversion of the signal by the PLC control, and display of the signal on the LED display to read it out by the operator.
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    同族专利:
    公开号 | 公开日
    BE1027523A1|2021-03-19|
    CN110542400B|2021-03-16|
    CN110542400A|2019-12-06|
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    法律状态:
    2021-07-15| FG| Patent granted|Effective date: 20210608 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201910853724.3A|CN110542400B|2019-09-10|2019-09-10|Long pipe inner wall roughness measuring device based on test metering technology and measuring method thereof|
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