CN109308973B - Clutch device and operating mechanism for electrical switch using same - Google Patents
Clutch device and operating mechanism for electrical switch using same Download PDFInfo
- Publication number
- CN109308973B CN109308973B CN201710625629.9A CN201710625629A CN109308973B CN 109308973 B CN109308973 B CN 109308973B CN 201710625629 A CN201710625629 A CN 201710625629A CN 109308973 B CN109308973 B CN 109308973B
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- pushing
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- hole
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- 230000007246 mechanism Effects 0.000 title claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
- H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
Abstract
The invention relates to a clutch device and an operating mechanism for an electrical switch using the same, the clutch device comprises a driving shaft and a driven part, the driving shaft is provided with a shaft hole, the wall of the shaft hole is provided with at least two radial through holes which are distributed at intervals along the circumferential direction, the driven part is provided with a groove corresponding to the radial through holes, a transmission part is assembled in the radial through holes in a reciprocating manner, the transmission part moves outwards in the radial through holes so as to be inserted into the groove, the transmission part is a roller, a push rod is assembled in the shaft hole in a reciprocating manner, the push rod is provided with a forward pushing stroke for pushing the roller to move outwards and a reverse avoiding stroke for avoiding the roller moving inwards, the push rod is provided with a first pushing part, the roller is provided with a second pushing part, and at least one of. The roller is in fit contact with the groove of the driven piece in a line contact mode, so that the stress of a contact area can be effectively reduced, the strength of a contact surface is improved, and the service life of the contact surface is prolonged.
Description
Technical Field
The invention relates to a clutch device and an operating mechanism for an electrical switch using the same.
Background
In the existing operating mechanism for the electric quick grounding electric switch, a motor drives a gear to transfer motion to a crank arm through a clutch device, the crank arm compresses a spring to store energy, the energy storage spring is compressed to the maximum value when the dead point position is moved, and the spring energy is automatically released after the dead point position is passed, so that the grounding switch is driven to be switched on or switched off. When the spring energy is released, the clutch device is separated, and the motor is not impacted.
The structure of the clutch device in the existing operating mechanism is shown in figure 1, as shown in fig. 2, the clutch device includes a driving shaft 16 and a clutch gear 11 sleeved outside the driving shaft 16 and used as a driven member, the driving shaft 16 is of a shaft sleeve structure with an inner hole, the clutch gear has an inner hole corresponding to the driving shaft, three grooves are formed in the inner hole wall of the clutch gear and distributed at intervals along the circumferential direction, three radial through holes 161 corresponding to the three grooves 111 one by one are formed in the shaft sleeve wall of the driving shaft 16, a ball 15 used as a transmission member is assembled in each radial through hole 161, a push rod 12 is assembled in the inner hole of the driving shaft along the axial direction in a reciprocating manner, the rear end of the push rod is in pushing fit with a power output part of the electromagnetic driving mechanism 10, the front end of the push rod is in pushing fit with a return spring 13 arranged in the inner hole.
When the operating mechanism stores energy, an electromagnet of the electromagnetic driving mechanism 10 is electrified to act, the pushing push rod 12 moves forwards by overcoming the acting force of the return spring 13, the conical transition section 14 pushes the ball 15 to move outwards in the moving process, a part of the ball protrudes out of the radial through hole 161 of the driving shaft to be matched with the groove 111 on the clutch gear, and the ball is in a joint position, so that the driving shaft 16 and the clutch gear 11 are driven to rotate together. At the moment of energy release, the reset spring pushes the push rod 12 away, the conical transition section of the push rod does not push the ball any more, when the clutch gear rotates, the ball is extruded and falls back into the radial through hole of the driving shaft, the ball serving as a driving part is at a disengaging position at the moment, and the driving shaft is separated from the clutch gear serving as a driven part.
The ball clutch device is simple and compact in structure and high in applicability. However, because the groove of the clutch gear is in point contact with the ball, when the compression amount of the energy storage spring is large or after the energy storage spring is operated for a certain number of times, the edge of the contact groove of the clutch gear is easy to generate pitting corrosion, the clutch action time is influenced, and the clutch gear and the transmission shaft can not be separated in serious cases. In order to reduce the pitting effect, high-strength materials are often used, the surface hardness is enhanced as much as possible, and the cost is relatively high.
Disclosure of Invention
The invention aims to provide a clutch device, which aims to solve the technical problem that in the prior art, a ball of the clutch device is in point contact with a groove on the inner hole wall of a driven part, so that the phenomenon of pitting corrosion is easy to occur; meanwhile, the invention also provides an operating mechanism for the electrical switch using the clutch device.
In order to achieve the purpose, the technical scheme of the clutch device provided by the invention is as follows: a clutch device comprises a driving shaft and a driven part sleeved outside the driving shaft, wherein the driving shaft is provided with a shaft hole extending along the axial direction, the wall of the shaft hole is provided with at least two radial through holes which are distributed at intervals along the circumferential direction and extend outwards to the outer peripheral surface of the driving shaft, the inner wall of the driven part is provided with a groove arranged corresponding to the radial through holes, a transmission part is assembled in the radial through holes in a reciprocating way, the transmission part moves outwards in the radial through holes to be inserted into the groove and moves inwards to be separated from the groove, the transmission part is a roller extending along the axial direction of an inner hole of the driven part, a push rod is assembled in the shaft hole in a reciprocating way, the push rod is provided with a forward pushing stroke for pushing the roller to move outwards and a reverse avoiding stroke for avoiding the roller moving inwards, a first pushing part is arranged on the push rod, a second pushing part is, so that the two pushing parts are pushed to slide each other when the push rod moves on the forward pushing stroke to force the roller to move outwards.
In the clutch device provided by the invention, the roller is in fit contact with the groove of the driven member, and the contact form is linear contact. The reciprocating push rod is used for controlling the roller to reciprocate in the radial through hole, and the control mode is simple.
As a further improvement, the two push rods are oppositely arranged in the shaft hole of the driving shaft along the axial direction of the driving shaft, the opposite moving stroke of the two push rods is the forward pushing stroke, and the opposite moving stroke of the two push rods is the reverse avoiding stroke. In the scheme, the rollers are pushed to move by utilizing the two push rods, the stress of the rollers is balanced, and the stress condition of the rollers is effectively improved.
As a further improvement, the two pushing parts are both of the radial contraction structure, and the second pushing part of the roller is of a hemispherical structure arranged at two axial ends of the roller. The second pushing part on the roller is of a hemispherical structure, so that the pushing contact between the first pushing part of the roller and the second pushing part of the push rod is not influenced under the condition that the roller rotates circumferentially.
As a further improvement, the two push rods are provided with opposite ends which are oppositely arranged, and the first pushing parts of the push rods are conical sections arranged at the opposite ends of the push rods.
As a further improvement, the two push rods are driven to reciprocate by a driving mechanism, and the driving mechanism comprises a return spring which is arranged between the two push rods and used for applying force for forcing the two push rods to move oppositely.
As a further improvement, the two push rods are respectively provided with a spring guide hole, and the return spring is assembled in the spring guide hole in a guide way.
The technical scheme of the operating mechanism for the electric switch using the clutch device provided by the invention is as follows: an operating mechanism for an electric switch comprises a motor, a clutch device and an energy storage shaft, wherein the clutch device comprises a driving shaft in transmission connection with the motor and a driven part in transmission connection with the energy storage shaft, the driven part is sleeved outside the driving shaft, the driving shaft is provided with a shaft hole extending along the axial direction, the wall of the shaft hole is provided with at least two radial through holes which are distributed along the circumferential direction at intervals and extend outwards to the outer peripheral surface of the driving shaft, the inner hole wall of the driven part is provided with grooves corresponding to the radial through holes, a transmission part is assembled in the radial through holes in a reciprocating manner, the transmission part moves outwards in the radial through holes so as to be inserted into the grooves and moves inwards so as to be separated from the grooves, the transmission part is a roller extending axially in the inner hole of the driven part, a push rod is assembled in the shaft hole in a reciprocating manner, and the, the push rod is provided with a first pushing part, the roller is provided with a second pushing part, and at least one of the two pushing parts is of a radial contraction structure, so that the two pushing parts are pushed to slide mutually to force the roller to move outwards when the push rod moves on a forward pushing stroke.
Two push rods are oppositely arranged in the shaft hole of the driving shaft along the axial direction of the driving shaft, the stroke of the two push rods moving in opposite directions is the forward pushing stroke, and the stroke of the two push rods moving in opposite directions is the reverse avoiding stroke.
The two pushing parts are both of the radial contraction structure, and the second pushing part on the roller is of a hemispherical structure arranged at two axial ends of the roller; the two push rods are provided with opposite ends which are oppositely arranged, and the first pushing parts of the push rods are conical sections arranged at the opposite ends of the corresponding push rods.
The two push rods are driven by a driving mechanism to move in a reciprocating mode, and the driving mechanism comprises a return spring which is arranged between the two push rods and used for applying acting force for forcing the two push rods to move back and forth to the two push rods.
Drawings
Fig. 1 is a schematic structural view of a ball clutch device in a conventional electric quick ground switch;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of an embodiment of a clutch device provided in the present invention (the clutch device is in an engaged state);
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic structural view of the clutch device shown in FIG. 3 in a disengaged state;
fig. 6 is a cross-sectional view taken at C-C in fig. 5.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The clutch device of the present invention comprises a driving shaft 27 and a driven member 25 sleeved outside the driving shaft 27, wherein the driving shaft 27 is specifically a gear shaft, the driven member is specifically a driven gear, the driving shaft 27 has a shaft hole extending along an axial direction, the shaft hole is a through hole structure, the wall of the shaft hole is provided with at least two radial through holes 271 distributed at intervals along a circumferential direction and extending outwards to the outer peripheral surface of the driving shaft, the inner wall of the driven member 25 is provided with three grooves 251 arranged corresponding to the radial through holes one by one, each radial through hole 271 is provided with a roller 26 as a transmission member in a reciprocating manner along the radial direction of the driving shaft, the rollers 26 are used for moving outwards in the radial through holes to be inserted into the grooves 251 and moving inwards to be separated from the grooves, the rollers 26 extend along the axial direction of the inner hole of the driven member, correspondingly, the radial through-hole 271 is in fact a kidney-shaped slot.
Two push rods 22 are assembled in the shaft hole of the driving shaft 27 in a reciprocating manner, the two push rods are distributed at intervals along the axial direction of the driving shaft relatively, for the two push rods in the reciprocating manner, the opposite movement stroke of the two push rods 22 is a forward pushing stroke for pushing the rollers to move outwards, and the opposite movement stroke of the two push rods is a reverse avoiding stroke for avoiding the rollers moving inwards.
Each push rod is provided with a first pushing part 28 for pushing the rollers to move outwards, and correspondingly, two axial ends of the rollers 26 are provided with second pushing parts respectively.
In this embodiment, the ends of the two push rods 22 facing each other are facing ends, and the first pushing portion 28 of each push rod is specifically a tapered section of the facing end of the push rod. The second pushing part on the roller is a hemisphere structure arranged at two axial ends of the roller.
When the two push rods move on a forward pushing stroke which is closed in opposite directions, the tapered sections at the opposite ends of the push rods and the corresponding hemispherical structures on the rollers push and slide to push the rollers to move outwards, the parts of the rollers 26 protruding out of the radial through holes 271 are inserted into the grooves 251 of the driven piece 25, and the driven piece 25 is connected with the driving shaft 27. When the two push rods are in reverse avoidance stroke which is away from each other, the push rods do not push the rollers to move outwards any more, when the driven piece rotates, the driven piece applies pushing acting force to the rollers, the rollers fall inwards, the rollers are separated from the grooves of the driven piece, and at the moment, the driving shaft and the driven piece are in a separated state.
In this embodiment, the two push rods 22 are driven by a driving mechanism to reciprocate, the driving mechanism includes a return spring 23 disposed between the two push rods and applying an acting force to the two push rods to force the two push rods to move back and forth, the push rods are respectively provided with spring guide holes, and the return spring 23 is guided and assembled in the spring guide holes.
The driving mechanism further comprises an electromagnetic driving mechanism 21 which is arranged corresponding to each push rod, the two electromagnetic driving mechanisms 21 are identical in structure, the electromagnetic driving mechanisms 21 are fixedly installed on the driving shaft 27, the output parts of the electromagnetic driving mechanisms 21 are in pushing fit with the corresponding push rods, when coils of the electromagnetic driving mechanisms are electrified, the electromagnetic driving mechanisms push the corresponding push rods 22 to move on a forward pushing stroke, the rollers 26 are pushed to move outwards under the matching action of the two push rods 22, and the rollers 26 are inserted into the grooves 251 in the driven piece. When the coil of the electromagnetic driving mechanism is powered off, the return spring pushes the push rod to move on the reverse avoidance stroke, the roller is not pushed any more, and under the action of the pressure exerted by the driven piece, the roller moves inwards to be separated from the groove on the driven piece.
When the clutch device provided by the embodiment works, as shown in fig. 3 and 4, the coils of the two electromagnetic driving mechanisms are electrified, the electromagnetic driving mechanism 21 moves the pushing push rod 22 on the forward pushing stroke, the two push rods push the three rollers 26 outwards in a matching manner, the rollers 26 protrude a part from the radial through hole of the driving shaft and are in plug fit with the grooves on the inner hole wall of the driven member 25, and the joint transmission of the driving shaft 27 and the driven member 25 is realized.
When the coils of the two electromagnetic driving mechanisms are de-energized, as shown in fig. 5 and 6, under the action of the return spring 23, the two push rods move on a reverse avoidance stroke, under the extrusion of the driven member 25, the roller 26 falls back into the radial through hole 271, the roller 26 is separated from the groove 271 of the driven member 25, and the separation of the driving shaft and the driven member is realized.
In the clutch device provided by the embodiment, the roller is in fit contact with the groove of the driven member, the contact form is line contact, and compared with the point contact form in the ball clutch device in the prior art, the contact device can effectively reduce the stress of a contact area, and improve the strength and the service life of a contact surface. In this embodiment, the clutch device is a bidirectional clutch device, and the roller bearing capacity is large, so that the roller bearing can be applied to heavy-load places.
In the clutch device provided by the embodiment, the two push rods moving oppositely and oppositely along the axial direction of the driving shaft are used for controlling the reciprocating movement of the rollers in the radial through holes. In other embodiments, a single push rod may be used to push the rollers to move outward, for example, two first pushing portions may be disposed on the single push rod, and at this time, two second pushing portions on the rollers may be disposed at two end portions of the rollers correspondingly, so as to facilitate the pushing driving of the single push rod. In other embodiments, only a single push rod can be provided, and only one first pushing part can be provided on the single push rod, so that the normal operation of the roller is not influenced because the electromagnetic driving mechanism acts quickly.
In this embodiment, control mechanism includes reset spring and two electromagnetic drive mechanism, utilizes reset spring control push rod to reset, and the adjustment is convenient, and the fault rate is low. In other embodiments, the reciprocating movement of the push rod can be controlled by using a corresponding electromagnetic driving mechanism. Of course, in other embodiments, other mechanisms, such as an electric push rod mechanism, may be used to drive the push rod to reciprocate, and the push rod may also be a push rod portion of the electric push rod mechanism, in which case, no additional push rod is required.
In this embodiment, three rollers are used to effect engagement of the drive shaft with the driven member. In other embodiments, two rollers or more than three rollers can be used for realizing the engagement of the driving shaft and the driven part, and a plurality of rollers are distributed at intervals along the circumferential direction.
The invention also provides an embodiment of an operating mechanism for an electrical switch, the operating mechanism in the embodiment has basically the same structure as the operating mechanism of the grounding switch in the prior art, and comprises a motor, a clutch device and a corresponding energy storage shaft.
The operating mechanism for the electrical switch in this embodiment may be an operating mechanism of a grounding switch, or may be an operating mechanism of a circuit breaker or a disconnecting switch, or an operating mechanism of other high-voltage switches.
Claims (8)
1. The utility model provides a clutch, includes driving shaft and the suit follower outside the driving shaft, the driving shaft has the shaft hole along axial extension, be equipped with two at least radial through-holes on the outside radial through-hole that extends to the driving shaft outer peripheral face along circumference interval distribution on the pore wall in shaft hole, be equipped with on the inner hole wall of follower and correspond the recess of arranging with radial through-hole, reciprocating motion is equipped with the driving medium in the radial through-hole, the driving medium outwards removes in radial through-hole in order to peg graft with the recess, inwards remove in order to break away from its characterized in that with the recess: the transmission part is a roller axially extending along an inner hole of the driven part, a push rod is assembled in the shaft hole in a reciprocating mode, the push rod is provided with a forward pushing stroke for pushing the roller to move outwards and a reverse avoiding stroke for avoiding the roller moving inwards, a first pushing part is arranged on the push rod, a second pushing part is arranged on the roller, at least one of the two pushing parts is of a radial contraction structure, so that the two pushing parts push and slide mutually to force the roller to move outwards when the push rod moves on the forward pushing stroke, two push rods are oppositely arranged in the shaft hole of the driving shaft along the axial direction of the driving shaft, the strokes of the two push rods moving in opposite directions are the forward pushing strokes, and the strokes of the two push rods moving in opposite directions are the reverse avoiding strokes.
2. The clutched device of claim 1, wherein: the two pushing parts are both of the radial contraction structure, and the second pushing part of the roller is of a hemispherical structure arranged at two axial ends of the roller.
3. The clutched device of claim 2, wherein: the two push rods are provided with opposite ends which are oppositely arranged, and the first pushing parts of the push rods are conical sections arranged at the opposite ends of the push rods.
4. A clutch device according to claim 1, 2 or 3, characterized in that: the two push rods are driven by a driving mechanism to move in a reciprocating mode, and the driving mechanism comprises a return spring which is arranged between the two push rods and used for applying acting force for forcing the two push rods to move back and forth to the two push rods.
5. The clutched device of claim 4, wherein: and the two push rods are respectively provided with a spring guide hole, and the reset spring is assembled in the spring guide hole in a guiding manner.
6. The utility model provides an operating mechanism for electrical switch, which comprises a motor, clutch and energy storage shaft, clutch includes the driving shaft of being connected with motor drive and the follower of being connected with the energy storage shaft drive, the follower suit is outside the driving shaft, the driving shaft has the shaft hole of following axial extension, be equipped with two at least radial through-holes on the outside extension to the driving shaft outer peripheral face along circumference interval distribution on the pore wall in shaft hole, be equipped with the recess of arranging with radial through-hole correspondence on the interior pore wall of follower, reciprocating motion is equipped with the driving medium in the radial through-hole, the driving medium outwards removes in radial through-hole in order to peg graft with the recess, inwards remove in order to break away from with the recess: the transmission part is a roller axially extending along an inner hole of the driven part, a push rod is assembled in the shaft hole in a reciprocating mode, the push rod is provided with a forward pushing stroke for pushing the roller to move outwards and a reverse avoiding stroke for avoiding the roller moving inwards, a first pushing part is arranged on the push rod, a second pushing part is arranged on the roller, at least one of the two pushing parts is of a radial contraction structure, so that the two pushing parts push and slide mutually to force the roller to move outwards when the push rod moves on the forward pushing stroke, two push rods are oppositely arranged in the shaft hole of the driving shaft along the axial direction of the driving shaft, the strokes of the two push rods moving in opposite directions are the forward pushing strokes, and the strokes of the two push rods moving in opposite directions are the reverse avoiding strokes.
7. The operating mechanism for an electrical switch according to claim 6, wherein: the two pushing parts are both of the radial contraction structure, and the second pushing part on the roller is of a hemispherical structure arranged at two axial ends of the roller; the two push rods are provided with opposite ends which are oppositely arranged, and the first pushing parts of the push rods are conical sections arranged at the opposite ends of the corresponding push rods.
8. The operating mechanism for an electrical switch according to claim 6 or 7, wherein: the two push rods are driven by a driving mechanism to move in a reciprocating mode, and the driving mechanism comprises a return spring which is arranged between the two push rods and used for applying acting force for forcing the two push rods to move back and forth to the two push rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625629.9A CN109308973B (en) | 2017-07-27 | 2017-07-27 | Clutch device and operating mechanism for electrical switch using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625629.9A CN109308973B (en) | 2017-07-27 | 2017-07-27 | Clutch device and operating mechanism for electrical switch using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109308973A CN109308973A (en) | 2019-02-05 |
| CN109308973B true CN109308973B (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625629.9A Active CN109308973B (en) | 2017-07-27 | 2017-07-27 | Clutch device and operating mechanism for electrical switch using same |
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| Country | Link |
|---|---|
| CN (1) | CN109308973B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022453A (en) * | 2010-11-11 | 2011-04-20 | 左佳奇 | Single-direction and double-direction clutch mechanism |
| CN103994158A (en) * | 2014-06-09 | 2014-08-20 | 北京航空航天大学 | Bidirectional clutch |
| CN104134568A (en) * | 2013-05-03 | 2014-11-05 | 西门子公司 | Clutch mechanism for energy storage device, and gas-insulation circuit breaker |
| CN104599874A (en) * | 2013-10-31 | 2015-05-06 | 西门子公司 | Clutch mechanism for energy storing device and gas insulated switch thereof |
| EP2848754A3 (en) * | 2013-09-11 | 2016-04-13 | Aug. Winkhaus GmbH & Co. KG | Locking cylinder |
-
2017
- 2017-07-27 CN CN201710625629.9A patent/CN109308973B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022453A (en) * | 2010-11-11 | 2011-04-20 | 左佳奇 | Single-direction and double-direction clutch mechanism |
| CN104134568A (en) * | 2013-05-03 | 2014-11-05 | 西门子公司 | Clutch mechanism for energy storage device, and gas-insulation circuit breaker |
| EP2848754A3 (en) * | 2013-09-11 | 2016-04-13 | Aug. Winkhaus GmbH & Co. KG | Locking cylinder |
| CN104599874A (en) * | 2013-10-31 | 2015-05-06 | 西门子公司 | Clutch mechanism for energy storing device and gas insulated switch thereof |
| CN103994158A (en) * | 2014-06-09 | 2014-08-20 | 北京航空航天大学 | Bidirectional clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109308973A (en) | 2019-02-05 |
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