CN214579222U - Large-torque clutch type valve driving device - Google Patents

Large-torque clutch type valve driving device Download PDF

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Publication number
CN214579222U
CN214579222U CN202120283269.0U CN202120283269U CN214579222U CN 214579222 U CN214579222 U CN 214579222U CN 202120283269 U CN202120283269 U CN 202120283269U CN 214579222 U CN214579222 U CN 214579222U
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Prior art keywords
gear
shaft
spline
worm
gear shaft
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CN202120283269.0U
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Chinese (zh)
Inventor
顾凯杰
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Suzhou Sip Stard Automation Co ltd
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Suzhou Sip Stard Automation Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00—Clutches in which the members have interengaging parts
    • F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The utility model discloses a big moment of torsion separation and reunion formula valve drive arrangement, include: the device comprises an input module, an output module and a clutch module; the input module comprises a first gear shaft and a first gear, and the first gear is connected to the first gear shaft; the output module comprises a worm and a worm wheel, the worm is connected to the first gear, the worm is provided with a gear, and the worm wheel is in meshed connection with the worm; the clutch module comprises a spline shaft, a spline sleeve, a moving assembly and a connecting shaft, the spline sleeve is sleeved on the spline shaft, and the spline sleeve moves on the spline shaft through the moving assembly; one end of the spline housing is connected with the worm wheel, and the other end of the spline housing is connected with the connecting shaft. In this way, the utility model discloses realize the separation and reunion function by the mechanism of integral key shaft and spline housing, can effectively solve the problem of traditional eccentric subassembly processing difficulty, can provide two kinds of changeable drive methods of manual and pneumatic for the valve of heavy-calibre, heavy pound level, open or close for the valve under emergency and provide the guarantee.

Description

Large-torque clutch type valve driving device
Technical Field
The utility model relates to a valve drive technical field especially relates to a big moment of torsion separation and reunion formula valve drive arrangement.
Background
In the actual production process, many pneumatic control ball valves and butterfly valves need to be manually closed or opened when meeting emergency conditions so as to avoid causing serious loss, and therefore the valve driving device needs to have the function of manual and pneumatic switching. At present, most of valve driving devices with manual and pneumatic switching are only suitable for valves with small calibers and small pound-scale ball valves, butterfly valves and the like.
The traditional clutch type valve driving device capable of being switched manually and pneumatically mostly adopts an eccentric assembly to realize the clutch function, but the existing processing technology cannot meet the requirement due to the fact that the eccentric assembly is difficult to process, and a workpiece is too long or too large, so that the device aims at large caliber. Valves such as ball valves and butterfly valves with large scale have no adaptive clutch type valve driving devices.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a big moment of torsion separation and reunion formula valve drive arrangement, can provide two kinds of changeable drive modes of manual and pneumatics for the valve of heavy-calibre, heavy pound level, opens or closes for the valve under the emergency and provides the guarantee.
In order to achieve the above object, the technical solution of the present invention is:
a high torque clutch-type valve actuator assembly comprising:
the input module comprises a first gear shaft and a first gear, and the first gear is connected to the first gear shaft;
the output module comprises a worm and a worm wheel, the worm is connected to the first gear, the worm is provided with a gear, and the worm wheel is in meshed connection with the worm;
the clutch module comprises a spline shaft, a spline sleeve, a movable assembly and a connecting shaft, the spline sleeve is sleeved on the spline shaft, and the spline sleeve moves on the spline shaft through the movable assembly; one end of the spline housing is connected with the worm wheel, and the other end of the spline housing is connected with the connecting shaft.
Preferably, the input module further comprises a second gear shaft and a second gear, the second gear shaft is arranged in parallel with the first gear shaft, the second gear shaft is arranged below the first gear shaft, and the first gear shaft and the second gear shaft are both provided with gears; the second gear is connected to the second gear shaft, the second gear is in meshed connection with the first gear shaft, and the first gear is in meshed connection with the second gear shaft.
Preferably, the input module further comprises a hand wheel, and the hand wheel is connected to the first gear shaft.
Preferably, the input module further comprises a box body, the first gear shaft and the first gear are arranged in the box body, and the first gear shaft is fixed through the box body.
Preferably, the output module further comprises a housing, the worm and the worm gear being located within the housing.
Preferably, the output module further comprises an end cover, the end cover is arranged in the shell, and the end cover is located at one end, far away from the input module, of the worm.
Preferably, the moving assembly comprises a guide plate, a screw rod and nuts, the guide plate is connected to the spline sleeve, the screw rod penetrates through the guide plate, the screw rod is located on two sides of the spline sleeve, the nut sleeve is arranged on the screw rod, and the nuts are located on two sides of the guide plate.
Preferably, the clutch module further comprises a support, one end of the support is connected with the output module, the other end of the support is connected with the pneumatic actuator, the screw is arranged on the support, and the screw is fixedly connected with the support.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:
the large-torque clutch type valve driving device has the advantages that a traditional eccentric assembly clutch structure is abandoned, a clutch function is realized by a spline shaft and a spline sleeve mechanism, the problem of difficulty in machining of the traditional eccentric assembly can be effectively solved, two manual and pneumatic switchable driving modes can be provided for a large-caliber and large-pound valve, and the opening or closing of the valve under emergency conditions is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a large-torque clutch type valve driving device of the present invention.
Fig. 2 is a sectional view of the clutch type valve driving device with large torque according to the present invention.
Fig. 3 is a cross-sectional view of an input module in a high torque clutch type valve actuator according to the present invention.
Fig. 4 is a schematic structural diagram of a clutch module in the large torque clutch type valve driving device of the present invention.
Fig. 5 is a cross-sectional view of a clutch module of the high torque clutch type valve actuator according to the present invention.
Description of reference numerals:
the input module 1, a first gear shaft 11, a second gear shaft 12, a first gear 13, a second gear 14, a box body 15 and a hand wheel 16;
the output module 2, the worm 21, the worm wheel 22, the shell 23 and the end cover 24;
the clutch module 3, the spline shaft 31, the spline housing 32, the moving assembly 33, the guide plate 331, the screw 332, the nut 333, the connecting shaft 34 and the bracket 35.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the drawings, the large-torque clutch type valve driving device comprises an input module 1, an output module 2 and a clutch module 3. The clutch module 3 is connected with the input module 1 through the output module 2, and the valve is connected with the output module 2 through the clutch module 3.
The input module 1 includes a first gear shaft 11 and a first gear 13, the first gear 13 being connected to the first gear shaft 11. In order to increase the speed ratio, the input module 1 further includes a second gear shaft 12 and a second gear 14, the second gear shaft 12 being disposed in parallel with the first gear shaft 11, the second gear shaft 12 being disposed below the first gear shaft 11. The first gear shaft 11 and the second gear shaft 12 are both provided with gears, that is, the first gear shaft 11 and the second gear shaft 12 are configured as gears with shafts. The second gear 14 is connected to the second gear shaft 12, the second gear 14 is connected to the first gear shaft 11 in a meshing manner, and the first gear 13 is connected to the second gear shaft 12 in a meshing manner.
The first gear shaft 11 is used as a driving shaft, and in order to better drive the first gear shaft 11 to rotate, the input module 1 further comprises a hand wheel 16. The hand wheel 16 is used as a power input part of the valve driving device, is mounted on the first gear shaft 11 through key connection, and drives the first gear shaft 11 to rotate through the hand wheel 16.
The input module 1 further includes a case 15, the first gear shaft 11 and the second gear shaft 12 are installed in the case 15, and the first gear shaft 11 and the second gear shaft 12 are supported and fixed by the case. The first gear 13 is mounted on the shaft end of the worm 21, the first gear 13 is meshed with the second gear shaft 12, and the first gear 13 is used as a terminal of the torque output of the input module 1. The second gear 14 is mounted on the second gear shaft 12 to be engaged with the first gear shaft 11 to transmit torque. The first gear shaft 11 is used as a power input shaft, and the second gear 14 rotates along with the rotation of the first gear shaft 11; the second gear 14 is keyed to the second gear shaft 12, i.e. the first gear 13 does not rotate with the rotation of the first gear shaft 11.
The output module 2 is fixedly connected with the first gear 13, and the clutch module 3 is connected with the input module 1 through the output module 2. The output module 2 is driven by the first gear 13, and the clutch module 3 is driven by the output module 2.
The output module 2 comprises a worm 21 and a worm wheel 22, a gear is arranged on the worm 21, the worm wheel 22 is meshed with the gear on the worm 21, and the clutch module 3 is connected with the worm wheel 22. The worm 21 is the main transmission component, and the shaft end of the worm is connected with the first gear 13 through a key. The worm wheel 22 is connected with the clutch module 3, and transmits the torque generated by the operation of the input module 1 to the spline shaft 31 of the clutch module 3, and the spline shaft 31 is connected with the valve stem and transmits the torque generated by the operation of the driving device to the valve shaft. The first gear 13 is arranged at one end of the worm 21, the worm 21 rotates along with the rotation of the first gear, the worm 21 drives the worm wheel 22 to rotate through meshed connection with the worm wheel 22, the worm wheel 22 drives the spline shaft 31 to rotate through meshed connection with the spline shaft 31 of the clutch module 3, and the spline shaft 31 drives a valve meshed with the spline shaft 31.
The output module 2 further comprises a housing 23, the worm 21 and the worm wheel 22 are located in the housing 23, and the worm 21 and the worm wheel 22 are protected by the housing 23.
The output module 2 further comprises an end cap 24, the end cap 24 being disposed within the housing 23, the end cap 24 being located at an end of the worm 21 remote from the input module 1. The end cap 24 serves for axial positioning of the worm 21, being bolted to the housing 23, preventing the worm 21 from finding axial play.
The clutch module 3 is fixedly connected with the shell 23 of the output module 2 through bolts, and the valve is connected with the output module 2 through the clutch module 3. The worm wheel 22 drives the clutch module 3, and the clutch module 3 drives the valve.
The clutch module 3 comprises a spline shaft 31, a spline housing 32, a moving assembly 33 and a connecting shaft 34, wherein the spline housing 32 is sleeved on the spline shaft 31, and the spline housing 32 moves on the spline shaft 31 through the moving assembly 33. One end of the spline housing 32 is connected to the worm wheel 22, and the other end of the spline housing 32 is connected to the connecting shaft 34.
The spline shaft 31 is provided with a spline, the spline housing 32 is engaged with the spline on the spline shaft 31, the spline housing 32 can move axially along the spline shaft 31, the upper end and the lower end of the spline housing 32 are respectively provided with a jaw, the right jaw can be engaged with the jaw of the worm wheel 22, and the left jaw can be engaged with the jaw of the connecting shaft 34. The connecting shaft 34 is connected with the pneumatic actuator, when the spline housing 32 moves upwards along the spline shaft 31, the jaw at the right end of the spline housing 32 is separated from the worm wheel 22, the jaw at the left end is meshed with the connecting shaft 34, the connecting shaft 34 transmits the torque generated by the work of the pneumatic actuator to the spline housing 32, the spline housing 32 is connected with the spline shaft 31 in a meshed mode to drive the spline shaft 31 to rotate, and the spline shaft 31 drives a valve connected with the spline shaft in a meshed mode. When the spline housing 32 moves downward along the spline shaft 31, the left jaw of the spline housing 32 is disengaged from the jaw of the connecting shaft 34, the spline housing 32 is engaged with the jaw of the right worm wheel 22, the worm wheel 22 transmits the torque generated by the operation of the valve driving device to the spline housing 32, the spline housing 32 is connected with the spline shaft 31 in a meshing manner to drive the spline shaft 31 to rotate, and the spline shaft 31 drives the valve connected with the spline shaft 31 in a meshing manner.
For better operation of axial movement of the spline housing 32, the moving assembly 33 includes a guide plate 331, a screw rod 332 and a nut 333, the guide plate 331 is connected to the spline housing 32, the screw rod 332 passes through the guide plate 331, the screw rod 332 is located on two sides of the spline housing 32, the nut 333 is sleeved on the screw rod 332, and the nut 333 is located on two sides of the guide plate 331. The guide plate 331 is fixed to the spline housing 32 by a snap spring, and the guide plate 331 is fixed to the screw rod 332 by a nut 333. The guide plate 331 can axially displace along the screw rod 332, and the guide plate 331 drives the spline housing 32 to axially displace, so that the clutch function of the valve driving device is realized. The nut 333 is adjusted so that the movement of the guide plate 331 on the spline shaft 31 is restricted by the nut 333.
Clutch module 3 still includes support 35, and support 35 right-hand member passes through the bolt to be fixed with input module 1 casing 23, and the support 35 left end passes through the bolt to be connected with pneumatic actuator, and integral key shaft 31 and spline housing 32 are installed in support 35, and support 35 provides the guard action for integral key shaft 31 and spline housing 32. The screw 332 is fixed to the bracket 35 by a nut 333. The outside of the bracket 35 is provided with a label to indicate the clutched and disengaged state of the valve actuator.
According to the characteristics of the valve, the valve has two operation modes, one is operated by a pneumatic actuator, and the other is operated manually. When the valve needs to be operated by a pneumatic actuator, the nut 333 on the screw rod 332 is operated, the guide plate 331 moves towards the pneumatic actuator, the guide plate 331 drives the spline housing 32 to axially move, the jaw of the spline housing 32 is separated from the worm wheel 22 and starts to be meshed with the jaw of the connecting shaft 34, and when the spline housing 32 is completely meshed with the jaw of the connecting shaft 34, the nut 333 on the full-thread stud is locked. At this time, the pneumatic actuator starts to work, the pneumatic actuator drives the connecting shaft 34 to rotate, the connecting shaft 34 drives the spline housing 32 to rotate through the jaw engagement, the spline housing 32 drives the spline shaft 31 to rotate through the spline engagement, and the spline shaft 31 drives the valve rod to rotate, so that the valve is opened or closed.
When the valve needs to be manually operated, the nut 333 on the screw rod 332 is operated, the guide plate 331 moves towards the valve direction, the guide plate 331 carries the spline housing 32 to axially move, the jaw of the spline housing 32 is separated from the coupling shaft 34 and is meshed with the jaw of the worm wheel 22, and when the jaw of the spline housing 32 and the jaw of the worm wheel 22 are completely meshed, the nut 333 on the full-thread stud is locked. At this time, the valve driving device starts to work, the hand wheel 16 is rotated to drive the first gear shaft 11 to rotate, power is transmitted to the second gear shaft 12 through the second gear 14, and power is transmitted to the first gear 13 through gear transmission on the second gear shaft 12. At this time, the first gear 13 installed at the shaft end of the worm 21 drives the worm 21 to rotate, the worm 21 drives the worm wheel 22 to rotate, the worm wheel 22 drives the spline housing 32 to rotate through the jaw, the spline housing 32 drives the spline shaft 31 to rotate, and the spline shaft 31 drives the valve rod of the valve to rotate, so that the valve is opened or closed.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (8)

1. A high torque clutch-type valve actuator assembly comprising:
the input module comprises a first gear shaft and a first gear, and the first gear is connected to the first gear shaft;
the output module comprises a worm and a worm wheel, the worm is connected to the first gear, the worm is provided with a gear, and the worm wheel is in meshed connection with the worm;
the clutch module comprises a spline shaft, a spline sleeve, a movable assembly and a connecting shaft, the spline sleeve is sleeved on the spline shaft, and the spline sleeve moves on the spline shaft through the movable assembly; one end of the spline housing is connected with the worm wheel, and the other end of the spline housing is connected with the connecting shaft.
2. A large torque clutch-type valve actuator assembly as claimed in claim 1 wherein: the input module further comprises a second gear shaft and a second gear, the second gear shaft is arranged in parallel with the first gear shaft, the second gear shaft is arranged below the first gear shaft, and the first gear shaft and the second gear shaft are both provided with gears; the second gear is connected to the second gear shaft, the second gear is in meshed connection with the first gear shaft, and the first gear is in meshed connection with the second gear shaft.
3. A large torque clutch-type valve actuator assembly as claimed in claim 1 wherein: the input module further comprises a hand wheel, and the hand wheel is connected to the first gear shaft.
4. A large torque clutch-type valve actuator assembly as claimed in claim 1 wherein: the input module further comprises a box body, the first gear shaft and the first gear are arranged in the box body, and the first gear shaft is fixed through the box body.
5. A large torque clutch-type valve actuator assembly as claimed in claim 1 wherein: the output module further comprises a housing, and the worm wheel are located in the housing.
6. A large torque clutch-type valve actuator assembly as claimed in claim 5 wherein: the output module further comprises an end cover, the end cover is arranged in the shell, and the end cover is located at one end, far away from the input module, of the worm.
7. A large torque clutch-type valve actuator assembly as claimed in claim 1 wherein: the movable assembly comprises a guide plate, a screw rod and a nut, the guide plate is connected onto the spline sleeve, the screw rod penetrates through the guide plate, the screw rod is located on two sides of the spline sleeve, the nut sleeve is arranged on the screw rod, and the nut is located on two sides of the guide plate.
8. A large torque clutch-type valve actuator assembly as claimed in claim 7 wherein: the clutch module further comprises a support, one end of the support is connected with the output module, the other end of the support is connected with the pneumatic actuator, the screw is arranged on the support, and the screw is fixedly connected with the support.
CN202120283269.0U 2020-12-10 2021-01-29 Large-torque clutch type valve driving device Active CN214579222U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020229792103 2020-12-10
CN202022979210 2020-12-10

Publications (1)

Publication Number Publication Date
CN214579222U true CN214579222U (en) 2021-11-02

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ID=76272751

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202110134744.2A Pending CN112963612A (en) 2020-12-10 2021-01-29 Large-torque clutch type valve driving device
CN202120283269.0U Active CN214579222U (en) 2020-12-10 2021-01-29 Large-torque clutch type valve driving device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202110134744.2A Pending CN112963612A (en) 2020-12-10 2021-01-29 Large-torque clutch type valve driving device

Country Status (1)

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CN (2) CN112963612A (en)

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Publication number Publication date
CN112963612A (en) 2021-06-15

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