• 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:

    公开号:SU1268113A3
    申请号:SU843713083
    申请日:1984-03-16
    公开日:1986-10-30
    发明作者:Гладиш Манфред；Винклманн Эрвин
    申请人:Дойче Бабкок Верке Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to valve engineering and can be used for remote control of valves by electric motor servos.
    The aim of the invention is to increase the reliability in case of failure of the shutdown of the servo due to the limitation of torque.
    Figure 1 shows the pipeline fittings, section; figure 2 - 4 options for its implementation.
    The pipe fittings comprise a housing 1 with a drive spindle 2 installed therein, at the lower end 15 / of which a locking member (not shown) is fixed. With a linear movement of the spindle 2, the locking member is pressed against the sealing surfaces of the sides of the housing 1 or lifted away from them. The linear movement is transmitted to the spindle 2 Through the threaded nut | 3. The threaded nut 3 and spindle 2 ’are made with a trapezoidal thread, which is in mutual engagement. A flange 4 is made on the threaded nut 3 on the side, with the help of which the threaded nut 3 inside the housing 1 is mounted on two thrust ball bearings 5 spaced. To limit the movement of the spindle 2 in the direction of closing the valve, the stroke limiting nut 6 is screwed onto the front end of the spindle 2 and locked.
    An electric motor servo (not shown) through the adapter sleeve 7 engages with a threaded nut 3, and the sleeve 7 is connected to the screw nut 3 by a key 8 so that the adapter 7 can move in the longitudinal direction of the spindle 2.
    Between the adapter sleeve 7 and the valve body 1 or the shoulder 4 of the threaded nut 3, an intermediate disk 9 is installed, covering the threaded nut 3 and the spindle 2 and having the ability to move along the spindle 2.
    Between the intermediate disk 9 and the housing 1 or the collar 4 of the threaded nut 3, a spring element is installed that surrounds the threaded nut 3. The spring element consists of several plate springs 10 located one above the other.
    In the embodiment depicted in FIG. 2, the intermediate disk 9 is integral with the adapter sleeve 7. With this design, the spring element — the spring rings 11 — is installed between the intermediate disk 9 5 and the upper end surface of the threaded nut 3. Moreover, it is limited inside threaded nut 3 and the outside of the adapter sleeve 7.
    The spring rings 11 have conical end surfaces by which they contact and can move relative to each other in the axial direction, and when sliding along the conical end surfaces, at least one spring ring 11 rotates in diameter.
    In the embodiment shown in FIG. 3, under the shoulder 4 of the threaded nut 3 there is an additional lower · spring element - a disk spring 12, which rests on the housing 1 and on the threaded nut 3. For the lower upper spring element 25, the same types of springs are used , for example, Belleville springs (figure 1) or snap rings 11 (figure 2). Above the adapter sleeve 7, the threaded nut ^ is equipped with a stop, for example a thrust nut 13 installed with a clearance S relative to the adapter sleeve 7.
    In the embodiment shown in figure 4, the shutdown of the servo is carried out depending on the rotating 3 5 moment. Upper and lower additional spring bushings, disk springs 14 and 15, which cover the spring elements 10 and 12 and are made with conical end surfaces, are placed in the housing 1. The thrust ring 16 is connected with the threaded nut. The spring sleeves 14 and 15 are installed with one end face with a clearance S relative to the end surface of the intermediate disk 9, the other with a stop in the thrust ring 16, Non-spring thrust bushings 17 are adjacent to the thrust ring 16 on both sides. The upper and lower spring elements - Belleville springs' 10 and 12 - are designed so that from the forces arising during normal operation, the clearance S does not decrease in both directions less than the safe clearance.
    Pipe fittings operates as follows.
    1268113 4
    In case of failure to turn off the servo drive, it continues to act on the adapter sleeve 7 (Figs. 1 and 2), while the adapter sleeve 7 and the intermediate disk 9 are shifted in the direction of closing the spindle 2. Due to this, the disk springs 10 are loaded, and the adapter the sleeve 7 rubs against the nut 6 of the stroke limit and the o-intermediate part 10 of the disk 9 until the moment of frictional force arising at the same time inhibits the energy of the servo drive introduced into the adapter sleeve and the servo drive does not stop. ,fifteen
    In the embodiment shown in FIG. 3, the reinforcement acts in the closing direction in the same way as the armature in accordance with FIG. 1 or 2.
    In the opening direction 20 also acts as a lower disk spring
    12. In the open position of the valve, the spindle 2 for unloading the gland is pulled towards the sealing surface in the housing cover 25. The specified brake device prevents unacceptably high load of the transmission elements in this direction also in case of failure of the drive control. Therefore, the threaded nut 3 is pulled towards the lower disk spring 12. After passing the distance S between the thrust nut 13 and the adapter sleeve 7, the threaded nut 3 through the “nut 13”, the adapter sleeve and the intermediate disk 9 also loads the upper disk springs
    10. At the same time, a moment of frictional force arises between the adapter sleeve and the intermediate disk 9. Spring forces and the moment of friction force dampen the servo moment.
    In case of failure of the drive control, 45 according to the variant in Fig. 7, the efforts of the spindle 2 increase, the distance S is overcome and a moment of frictional force arises between the thrust ring 16 and the thrust sleeve 17. At the same time, 50 but the spring ones come into effect, the bushings - Belleville springs 14 and 15. The moment of friction and the forces acting on the disk springs 10 and 12 and the ring-shaped spring bushings - 55 disk springs 14 and 15, gently brake the servo drive.
    权利要求:
    Claims (6)
    [1]
    I1 The invention relates to a valve industry and can be used for remote control of a valve by an electromotive servo actuator. The aim of the invention is to increase the reliability of operation when a servo-drive fails due to the limitation of torque. Figure 1 shows the pipeline fittings, the cut; 2 through 4, embodiments thereof. Pipeline fittings comprise body 1 with a drive spindle 2 installed in it, on the lower end of which a locking member is fixed (not shown). During linear motion of the spindle 2, the locking member is pressed against the sealing surface of the side 1 of the body 1 or is lifted from them. Linear motion is transmitted to the spindle 2 through the threaded nut j3, the threaded nut 3 and the spindle 2 are threaded with trapezoidal thread. interlocking. On the threaded nut 3, a flange 4 is made on the side, with the help of which the threaded nut 3 inside the housing 1 is mounted on two thrust ball bearings 5 spaced at intervals. In order to restrict the movement of the spindle 2 in the direction of closing the reinforcement, the stroke restriction nut 6 is screwed to the front end of the spindle 2 and locked. A servo-driven electric motor (not shown) through the adapter sleeve 7 engages with the screw nut 3, the sleeve 7 being connected to the screw nut 3 by a prismatic key 8 so that the transition sleeve 7 can move in the longitudinal direction of the spindle 2 between the transition sleeve 7 and the housing 1 the valve or shoulder 4 of the threaded nut 3 is fitted with an intermediate disk 9, covering the threaded nut 3 and the spike 2 and having the ability to move along the pinwheel, ate 2 between the intermediate disk 9 and the housing 1 or shoulder of the 4 thread oic nut 3 is mounted eleMeHTj conductive spring which surrounds the threaded nut 3. The spring element consists of several cup springs 10 arranged one above the other. In the embodiment shown in FIG. 2, the intermediate disk 9 is made integral with the transition sleeve 7. In this embodiment, the spring element — spring rings 11 — is installed between the intermediate disk 9 and the upper end surface of the threaded nut 3. At the same time, it is limited inside the threaded nut nut 3 and the outside of the adapter sleeve 7. The spring rings 11 have conical end surfaces with which they touch, and can move relative to each other in the axial direction, and when sliding along the conical front m erhnost at least one przzhnnnoe ring 11 rotates on its diameter. In the embodiment depicted in FIG. 3, under the collar 4 of the threaded nut 3, an additional lower spring element is provided — a trailed spring 12, which rests on the housing 1 and on the threaded nut 3. For the lower upper spring element, the same types of springs are used , for example disc springs (figure 1) or spring rings 11 (figure 2). Above the adapter sleeve 7 is a threaded nut, 3 equipped with a stop, for example, a stop nut 13, installed with a clearance S relative to the adapter sleeve 7. In the embodiment shown in FIG. 4, the servo is turned off depending on the torque. In the housing 1, there are upper and lower additional spring bushings — disc springs 14 and 15, which surround the spring members 10 and 12 and are made with conical end surfaces. A retaining ring 16 is connected with the threaded nut. The spring bushings 14 and 15 are mounted with one of their ends with a gap S relative to the end surface of the intermediate disc 9, and the other with a stop into the retaining ring 16. Adjustable non-spring bushings adjoin the retaining ring 16 on both sides 17. The upper and lower spring elements - Belleville springs 10 and 12 - are designed so that the gap S does not decrease in both directions from the forces arising during normal operation in both directions is less than the safe gap. Pipeline valve operates as follows. In the event of a servo-drive failure, it continues to act on the adapter sleeve 7 (Figures 1 and 2), while the adapter sleeve 7 and the intermediate disk 9 are shifted in the direction of the spindle 2 by clamping. The plate springs 10 are then loaded, and the transition sleeve 7 continues to rotate trescent nut 6 of the stroke limit and o-intermediate, disk 9 until the moment of frictional force that occurs during this time causes the servo drive and servo drive entered into the adapter sleeve 7. the servo will stop. In the variant shown in FIG. 3, the reinforcement acts in the closing direction in the same way as the armature according to FIG. 1 or 2. The lower trailer also has a spring 12 in the opening direction. In the open position of the reinforcement spindle 2 unloading of the gland is pulled in towards the sealing surface in the housing cover 1. The specified braking device prevents unacceptably high load on the transmission elements also in this direction when the drive control fails. Therefore, the threaded nut 3 is pulled in the direction towards the bottom cup spring 12. After the distance S between the stop nut 13 and the adapter sleeve 7 has passed, the nut nut 3, the adapter nut 13, the adapter sleeve 7 and the intermediate disc 9 also load the upper dish springs 10. Simultaneously, a moment of force of friction arises between the transition sleeve 7 and the intermediate disk 9. The spring forces and the moment of friction force damp the moment of the servo drive. When the drive fails, according to the variant in FIG. 7, the forces of the spindle 2 increase, the distance S is overcome and a moment of friction force arises between the stop ring 16 and the stop sleeve 17. At the same time, spring sleeves come in - disc springs 14 and 15 Force moment The friction and force acting on the cup springs 10 and 12 and the ring-shaped springs of the disc springs 14 and 15 gently slow down the servo drive. 134 Invention 1. Pipeline valve with shut-off device installed in the housing can be moved with spindle i connected to a 1m motorized servo actuator through a threaded nut mounted on the housing and bearing adapter fixed on it, and the spindle nut is screwed in so that, in order to increase the reliability of work in case of failure of the servo-drive shutdown, an intermediate disk and springs are installed between the adapter sleeve and the threaded nut conductive element, wherein the bushing and an intermediate disc mounted for longitudinal movement relative to the spindle.
    [2]
    2. Armature pop.1, characterized in that the intermediate disk is made in one piece with the transition sleeve.
    [3]
    3. Armature on PP. 1 and 2, it is noted that the threaded nut is made with an emphasis, a gap is provided between the end surfaces of the emphasis and the adapter sleeve, and an additional spring element is placed on the side of the bearings opposite to the intermediate disc placement between the threaded nut and the housing.
    [4]
    4. Armature on PP. 1-3, which has a spring sleeve, a covering spring element, and an anchoring ring connected to a threaded nut, the spring sleeve being installed by one end with a gap relative to the end surface intermediate disk, and the other - with emphasis in the retaining ring.
    [5]
    5. Armature pop.4, exc. This is due to the fact that an additional spring hub, which encloses the additional spring element and is installed with the formation of a gap between the stop ring and the housing, is placed in the housing.
    [6]
    6. Armature on PP. 4 and 5, in that there are non-spring resistant bushings between the stop ring and the spring bushings.
    6
    13
    FIG. 3
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    US3622119A|1971-11-23|Mechanical actuator having locking mechamism
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    EA032188B1|2019-04-30|Valve
    同族专利:
    公开号 | 公开日
    EP0123021B1|1988-09-07|
    EP0123021A2|1984-10-31|
    DE3314781A1|1984-10-25|
    US4546281A|1985-10-08|
    CA1229079A|1987-11-10|
    EP0123021A3|1985-08-21|
    DE3314781C2|1987-05-27|
    DE3473913D1|1988-10-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US2212572A|1937-08-25|1940-08-27|Walworth Patents Inc|Valve|
    US3356874A|1964-03-23|1967-12-05|Royal Industries|Enclosed rotor drive device|
    DE2242429C2|1969-09-11|1974-05-30|Helmut Baelz Gmbh, 7100 Heilbronn|Motorized actuator for valves or the like|
    US3616884A|1969-09-11|1971-11-02|Helmut Balz Gmbh Fa|Power-driven positioning system with interrupt means upon application of a predetermined positioning force at end points of travel, particulary for valves and the like|
    US3704853A|1971-03-26|1972-12-05|Cons Controls Corp|Valve with differential clutching valve actuator|
    US3822612A|1973-02-05|1974-07-09|Worcester Controls Corp|Changeable speed and torque valve actuator|
    AT321655B|1973-09-04|1975-04-10|Schmidt Armaturen Gusswerk|Bearing arrangement for machine parts used to convert a rotating movement into a reciprocating movement|
    CH576672A5|1974-04-03|1976-06-15|Sulzer Ag|
    US4111070A|1977-04-04|1978-09-05|Dresser Industries, Inc.|Valve actuator and spring biasing cartridge|
    EP0010113A1|1978-10-23|1980-04-30|BBC Aktiengesellschaft Brown, Boveri & Cie.|Apparatus for limiting the axial force, especially for valves|
    US4393319A|1980-12-08|1983-07-12|General Motors Corporation|Electric motor powered actuator|BR8807677A|1988-06-10|1990-06-26|Plotnikov Andrei D|ELECTRIC ACTUATOR UNDERSTANDING A BASE|
    DE4013176A1|1990-04-25|1991-10-31|Siemens Ag|ARMATURE TO BLOCK A FLOW|
    DE4023636C2|1990-07-25|1994-07-14|Siemens Ag|Armature to shut off a flow|
    DE19535051C1|1995-09-21|1996-11-28|Honeywell Ag|Spindle nut or threaded spindle arrangement|
    DE10115636B4|2001-03-26|2004-10-14|Mack & Schneider Gmbh|Changeover valve in a vehicle|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE3314781A|DE3314781C2|1983-04-23|1983-04-23|
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