• 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:
    A DEVICE FOR AUTOMATIC REGULATION OF VOLTAGE TENSIONS OF TORQUE MACHINES, which have a difference between a twisting disk with output coils and a torsion socket for each twisting element of the tension sensor, connected through the tension unit of the comparison node with the adjustable brake actuator of the corresponding output coil, a different setting is different. the purpose of simplifying its design while ensuring automatic regulation of tension of the veins corresponding to a predetermined value, it is equipped with For all the coils of the rotary overpressure distributor, the tension sensor is made as an adjustable weight installed between the rollers kinematically connected to the lever of a three-way valve, the tension adjuster is made of a pressure regulator connected to the compressed air supply network with a time indicator, the comparison unit is made in the form of a pressure transducer including three pressure reducing valves, two of which are connected (U) to the pressure regulator, and the third is connected in series with one Of these valves, the brake drive of the delivery coils is made in the form of a brake pneumatic cylinder with a spring-loaded piston, which is connected kinematically with a brake shoe through a lever-hinged mechanism, while the input of the tension sensor is connected to one SP from pressure reducing valves valves, and the output through the diaphragm, the third valve, and the rotary overpressure distributor, with the brake cylinder.
    公开号:SU1105130A3
    申请号:SU792762305
    申请日:1979-04-25
    公开日:1984-07-23
    发明作者:Ясаи Шандор；Саладниа Шандор
    申请人:Диошдьери Гепдьяр (Инопредприятие)；
    IPC主号:
    专利说明:

    The invention relates to equipment for the production of cable products, namely, devices for automatically adjusting the tension of the strands of twisting machines. A device of a twisting machine for twisting fours of symmetrical communication cables is known, in which a brake pulley covered by a brake cradle is attached to adjust and equalize the tension of individual cores on each outgoing coil. When tensioning or loosening the brake band, you can change the tension on the braking band. t lived. t1. The disadvantage of this device is that the tension regulation of the twisted cores is performed only when the machine stops. In the process of twisting, the tensions of individual cores change rapidly, therefore, in order to monitor and tension the tensions of the twisted cores, it is often necessary to stop the twisting machine. The closest in technical essence and the achieved result to the proposed is a device of a twisting machine with automatic tension control of twisted cores, including a sensor mounted on a pull for each twisted element installed between the twisting disk with ejection coils and the twisting socket in the power unit, it is electrically connected to the brake drive of the corresponding downstream coil. In a known device, when changing the tension of the research institute in one of the twisted elements, a mismatch signal arises in the tension sensor, which the LINE connection is fed to the comparison circuit of the electronic switch of discrete action with the interrogator, from which the information signal is fed to the electronic amplifier and amplified by voltage and the current is fed to an electronic switch actuators, consisting of reversible electric motors, gearboxes and brake bars to the coils. The twist member performs feedback in a closed automatic tension control system. The error signal, depending on the sign 30, of the tension, varies in phase from 0 to 180, which determines the direction of rotation of the reversible electric motor, and the amplitude of the signal - the speed of its rotation 23. The disadvantage of the device is the complexity of the design. The purpose of the invention is to simplify the design while ensuring automatic control of the tension of the cores. The goal is achieved by the device for automatic tension control of the twisting machines, containing a tension sensor installed between the spinning disk with the release coils and the twisting socket for each twisted element , is equipped with a rotary distributor of overpressure common to all emitting coils, the tension sensor is made in the form of installed between the rollers the adjustable weight is kinematically connected with the lever of the three-way valve; the tension adjuster is designed as a pressure regulator connected to the compressed air supply network with a time indicator; the reference unit is designed as a pressure converter that includes three reductive valves, two of which are connected to the regulator pressure, and the third is connected in series with one of these valves; the brake drive of the output coils is made in the form of a brake pneumatic cylinder with a spring-loaded piston, which through a pin-sharn p mechanism of kinematically coupled with the brake pad, wherein the tension sensor is connected to one input izpodsoedinennyh to a pressure regulator reduction KJtanaHOB, and the output through the membrane, and a third reducing valve povorbtny overpressure valve - with a brake air cylinder. FIG. Figure 1 shows a schematic diagram of automatic tension control for one twisting element of a twisting machine; in FIG. 2 - power ratio diagram; in fig. 3 - diagram of the tension sensor. On the torsion disk 1 of the machine are installed on the coil 2 with twisted conductors 3, which pass into the torsion socket 4 through
    The tension sensor 5, in which the guide rollers 6 and 7 are installed. The twisted core 3 is loaded with adjustable load Q, which deflects the core by angle d- and balances the tension force P.
    The tension sensor 5 includes a three-way valve 8 and a lever. 9, interacting with the load Q. The cavities 10 12 of the three-way valve 8 are pneumatically connected by pipeline 13 to the reduction valve 15 located in the comparison unit 14, having a load of 1/3, and pipe 16 through the elastic membrane 17 with a reducing valve 18 having a load of 1/2 . - Next, the reducing valve 15 is pneumatically connected by pipeline 1 to the reducing valve 20, located in the comparison unit 14 and having a load of 1/1, and the reducing valve 20, in turn, is pneumatically connected by pipe 21 to the reducing valve 18.
    A conduit 19 connecting the pressure reducing valves 15 and 20 is connected by conduit 22 to a tension controller 23 located and provided with a clock indicator 24 to a pressure regulator 25, which is connected to an overpressure source Pp by conduit 26.
    The pressure reducing valve 18 is pneumatically coupled to the twist with the rotary valve 27 of the overpressure via a pipeline 28
    The rotary valve 27 through connecting elements 29 - 3.1 is connected to the brake cylinder 32 in the cavity 33 of which the piston 35 is spring loaded with the help of a spring 34 with a rod 36, which is kinematically connected with articulated joints on the hinge bearings 37 and 38. braking on the outgoing coil 2 brake pad 43.
    The device works as follows.
    First, the pressure P ,, is set manually, which provides the predetermined tension for each twisted core 3, by means of the pressure regulator 25 located on the control panel of the tension setting unit 23. The target pressure is determined visually by the hour indicator 24.
    In the neutral position of the three-way valve 8 through the cavities 11 and 12 passes compressed air under pressure RD, which acts on the elastic membrane 17 of the pressure reducing valve 18. As a result, the compressed air. the air pressure P. is supplied to the cavity 33 of the brake cylinder 32. Moreover, if the lever 9 of the three-way valve 8 is set to the maximum value, the twisting core is tensioned, the cavities 10 and 11 of the three-way valve B are interconnected, the cavity above the elastic membrane 17 of the reduction valve 18 expands and pressure Pj and P becomes zero. Thus, the force acting on the piston rod 36 of the brake cylinder 3 and on the brake shoe also becomes equal to zero.
    If the lever 9 of the three-way valve 8 moves even a small distance, a relationship arises and the braking force is removed.
    When the lever 9 is moved in the opposite direction, the pressure changes have the opposite sign, the braking force increases, as when lifting the load Q, the core 3 tenses, the three-way valve 8 opens and the pressure in the cavity 33 of the brake cylinder 32 decreases.
    When the tension of the core 3 decreases, the load Q drops, the three-way valve 8 closes, and the pressure in the cavity 33 of the brake cylinder 32 increases, causing an increase in braking force and an increase in tension on the core 3, i.e. the set value of the tension force is obtained.
    The implementation of the device for automatic tension control of the stranding machines according to the invention allows to simplify the design
    3S 39
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    权利要求:
    Claims (1)
    [1]
    DEVICE FOR AUTOMATIC CONTROL OF TENSION OF TENES OF TURNING MACHINES L comprising a tension sensor installed between the torsion disk with the giving coils and the torsion socket for each twisted element, connected through the tension adjuster of the comparison unit with the adjustable brake drive of the corresponding giving coil, which is characterized in that it is simplified by design while providing automatic control of the tension of the wires corresponding to a predetermined value, it is equipped with a common for all x of the output coils by a rotary distributor of overpressure, the tension sensor is made in the form of a controlled load installed between the rollers kinematically connected to the lever of a three-way valve, the tension adjuster is made in the form of a pressure regulator connected to the compressed air supply network with a clock indicator, the comparison unit is made in the form a pressure transmitter comprising three pressure reducing valves, two of which are connected to a pressure regulator, and the third is connected in series with one of these valves s, the drive of the brake of the returning coils is made in the form of a brake pneumatic cylinder with a spring-loaded piston, which is kinematically connected through the lever-hinge mechanism to the brake shoe, while the input of the “tension sensor” is connected to one of the pressure reducing valves connected to the pressure regulator, and the output through the membrane, third pressure reducing valve and rotary overpressure distributor - with brake pneumatic cylinder.
    SU <„1105130
    1 1105
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    同族专利:
    公开号 | 公开日
    IT7922139D0|1979-04-24|
    DD142971A5|1980-07-23|
    DE2916019A1|1979-11-08|
    PL215115A1|1980-03-10|
    GB2020854B|1982-09-29|
    IT1112720B|1986-01-20|
    GB2020854A|1979-11-21|
    PL120100B1|1982-02-27|
    HU179154B|1982-08-28|
    FR2424355A1|1979-11-23|
    YU96179A|1982-10-31|
    引用文献:
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    DE397100C|1923-07-15|1924-06-14|M Klein Dr|Process for the production of cable cores for multi-core cables|
    US2343181A|1940-04-03|1944-02-29|Winfield B Heinz|Automatic tension control|
    BE520520A|1951-10-09|
    DE1072668B|1956-04-05|1960-01-07|Societe Anonyme Geoffroy-Delore, Paris|Mechanical braking and compensation system on a winding device|
    NL245770A|1959-11-25|
    US3107679A|1961-06-05|1963-10-22|Walter F Pawlowski|Automatic tension control device|
    FR1361900A|1963-01-31|1964-05-29|Signaux Entr Electriques|Improvements made to unwinders, in particular for reels of wire or electric cables|
    GB1263247A|1968-04-16|1972-02-09|British Insulated Callenders|Improvements in apparatus for controlling the tension in flexible material|
    US3731889A|1971-02-01|1973-05-08|Alexeff Snyder Ets|Tensioning apparatus|
    BE795285A|1972-02-10|1973-05-29|Bekaert Sa Nv|VOLTAGE CONTROL DEVICE|
    US3781517A|1973-03-19|1973-12-25|Xerox Corp|Fuser thermal protector|
    US3899143A|1974-01-10|1975-08-12|Raymond J Slezak|Tension control device|FR2509275B1|1981-07-07|1983-10-21|Cables Electro Telecommunicati|
    US4423588A|1981-10-22|1984-01-03|Trimak Equipment Ltd.|Apparatus for paying off wire from a bobbin|
    AU6646998A|1998-02-04|1999-08-23|Goodyear Tire And Rubber Company, The|Method and apparatus for controlling the tension of bead wire being pulled from a wire spool|
    US6457667B1|1998-02-04|2002-10-01|The Goodyear Tire And Rubber Company|Method and apparatus for controlling the tension of wire being pulled from a wire spool on a bead wire letoff stand|
    RU2523497C2|2012-09-21|2014-07-20|Федеральное государственное бюджетное образовательное учреждение высшего професионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" |Device for web material tension control|
    RU2523291C2|2012-09-21|2014-07-20|Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный энергетический университет имени В.И. Ленина" |Device for web material tension control|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    HU78DI305A|HU179154B|1978-04-25|1978-04-25|Pneumatic fibre tightness control automatic device|
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