CN211018016U - Valve and propulsion mechanism of high-voltage switch equipment - Google Patents
Valve and propulsion mechanism of high-voltage switch equipment Download PDFInfo
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- CN211018016U CN211018016U CN201922003991.XU CN201922003991U CN211018016U CN 211018016 U CN211018016 U CN 211018016U CN 201922003991 U CN201922003991 U CN 201922003991U CN 211018016 U CN211018016 U CN 211018016U
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Abstract
The utility model discloses a high-voltage switch equipment valve and a propulsion mechanism, wherein the valve driving mechanism comprises a valve driving mechanism connecting rod, one end of the valve driving mechanism connecting rod is connected with a lower valve, the other end of the valve driving mechanism connecting rod is connected with a cabinet door interlocking driving mechanism action output end, and the action input end of the cabinet door interlocking driving mechanism is connected with a circuit breaker chamber door plate; the lower end of the lower valve is provided with a first driving shaft, the side surface of the valve fixing frame is provided with a chain wheel group, the joint of the driving chain wheel group and the driven chain wheel is provided with two gears which are meshed with each other, and the horizontal folding valve is opened by driving the driving chain wheel group and the driven chain wheel group; the interlocking is realized through the cabinet door interlocking driving mechanism and the door panel of the circuit breaker, so that the electric shock caused by the fact that an operator opens the cabinet door when the valve is opened can be prevented; the operation and maintenance operation safety of the high-voltage distribution electrical equipment can be improved.
Description
Technical Field
The utility model belongs to the technical field of high-voltage distribution equipment, concretely relates to high tension switchgear valve and advancing mechanism.
Background
In a high-voltage switch cabinet, after an operator pulls out a handcart type circuit breaker, a valve of a switch cabinet valve mechanism covers a fixed contact in the cabinet, so that the operator cannot generate an electric shock accident due to the fact that the operator touches the fixed contact when operating in the switch cabinet; however, the valve pushing mechanism in the existing switch cabinet is provided with a rod member mechanism which performs cross friction movement, the friction coefficient is higher, and the valve cannot move smoothly on a slide way of the valve pushing mechanism; meanwhile, the motion state of the valve in the prior valve mechanism has no related monitoring means to react to a remote monitoring room and a related panel, and particularly, the opening and closing state of the valve is not effectively interlocked with the door panel of the circuit breaker room in the operation and maintenance process of the high-voltage switchgear. Therefore, under the condition that the opening and closing state of the indoor valve of the circuit breaker is unknown, whether the door plate of the circuit breaker room can be opened or not and no related warning is given, the field personnel are easy to cause electric shock operation accidents.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high tension switchgear valve and advancing mechanism, mechanism's installation is simple with convenient operation, can realize actuating mechanism and cabinet door interlocking, fortune dimension safe convenient and reliable, and the valve is opened smoothly.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a valve and a propelling mechanism of high-voltage switch equipment comprise a valve fixing frame, a valve driving mechanism, a cabinet door interlocking driving mechanism and a breaker chamber door plate, wherein the valve is connected with the valve fixing frame in a sliding manner; the valve comprises an upper valve and a lower valve, the valve is horizontally foldable, and the upper end of the upper valve and the lower end of the lower valve are rotatably connected with the valve fixing frame;
the valve driving mechanism comprises a valve driving mechanism connecting rod, one end of the valve driving mechanism connecting rod is connected with the lower valve, the other end of the valve driving mechanism connecting rod is connected with the action output end of the cabinet door interlocking driving mechanism, and the action input end of the cabinet door interlocking driving mechanism is connected with the door plate of the circuit breaker chamber; the lower end of the lower valve is provided with a first driving shaft, the side face of the valve fixing frame is provided with a chain wheel set, the chain wheel set comprises a driving chain wheel set and a driven chain wheel set, the joint of the driving chain wheel set and the driven chain wheel is provided with two gears which are meshed with each other, the two gears are fixedly connected with the driving chain wheel set and the driven chain wheel set respectively, and chains are arranged on the driving chain wheel set and the driven chain wheel set respectively; the lower end of the lower valve is provided with a first driving shaft, the first driving shaft is connected with the power input end of the driving chain wheel set, the upper end of the upper valve is provided with a second driving shaft, and the second driving shaft is fixedly connected with the power output end of the driven chain wheel set; the lower end of the upper valve and the upper end of the lower valve are both connected with the valve fixing frame in a sliding manner.
The valve fixing frame is provided with a slide way, the lower end of the upper valve and the upper end of the lower valve are both provided with connecting shafts, the two ends of each connecting shaft are both provided with rollers, the rollers are arranged in the slide way, and roller limiting blocks are arranged in the slide way.
An upper valve spring telescopic rod is arranged between the upper end and the lower end of the upper valve and is coaxially arranged with the slideway.
And the upper end of the upper valve spring telescopic rod is provided with a pressure displacement sensor, and the output end of the pressure displacement sensor is connected with a switch cabinet monitoring center or the controller input end of a switch cabinet panel.
The cabinet door interlocking driving mechanism comprises a cabinet door bent plate, a spring telescopic rod, a support, a cam, a connecting rod and a cam driving shaft; one end of the connecting rod is connected with the power bent plate of the valve driving mechanism, the other end of the second connecting rod is connected with the input end of the connecting rod, the output end of the connecting rod is fixedly connected with the cam driving shaft, the cam is arranged on the cam driving shaft, one end of the cam driving shaft is rotatably connected with the support, the limiting plate is arranged above the working surface of the cam, the limiting plate is connected with the free end of the spring telescopic rod, the upper end of the limiting plate extends into the cabinet door bent plate, and the limiting plate can move up and down in the space between the cabinet door bent plate; the fixed end of the spring telescopic rod is fixedly connected with the support.
The power bent plate of the valve driving mechanism is provided with three connecting ends, the three connecting ends form a triangle, the second end and the third end are both located above the first end, the first end of the power bent plate is hinged to the channel steel, the second connecting rod and the third end are connected with a crank mechanism, and the output end of the crank mechanism is connected with the connecting rod of the valve driving mechanism.
The valve driving mechanism connecting rod comprises a driving connecting rod and a driven connecting rod, one end of the driving connecting rod is provided with a hinge hole and a connecting hole, the driving connecting rod is hinged with the channel steel through the hinge hole, a crank mechanism is arranged in the channel steel, and the driving connecting rod is connected with the output end of the crank mechanism through the connecting hole; the other end of the driving connecting rod is rotatably connected with the driven connecting rod, the other end of the driven connecting rod is connected with a first driving shaft, and a connecting rod is fixedly arranged on the first driving shaft.
Drive sprocket group and driven sprocket group all include two chains and adjusting screw, and the sprocket is all walked around to the chain, and adjusting screw is all connected at the both ends of chain, adjusting screw's both ends all set up the screw thread to adjusting screw sets up fastening nut with the junction of chain.
Compared with the prior art, the utility model discloses following beneficial effect has at least: the utility model discloses a high tension switchgear valve and advancing mechanism are provided with drive sprocket group and driven sprocket group, and the valve sets up to horizontal folding type to divide into upper valve and lower valve, reduce folding required space and action stroke, open horizontal folding type valve through drive sprocket group and driven sprocket group drive, and in addition the utility model discloses all actuating mechanism and follower are pure mechanical structure, make the valve switching process nimble smooth and easy, improve security and reliability; the interlocking is realized through the cabinet door interlocking driving mechanism and the door panel of the circuit breaker, so that the electric shock caused by the fact that an operator opens the cabinet door when the valve is opened can be prevented; the utility model provides the high security of high voltage distribution electrical equipment fortune dimension operation is applicable to medium voltage power transmission and distribution trade power equipment.
Furthermore, the upper valve spring telescopic rod is used for monitoring the opening and closing state of the upper valve and resetting the upper valve, and can indirectly reflect the opening and closing state of the lower valve and the lower valve; the displacement data that pressure displacement sensor measured can reflect for relevant control room and panel to remind operating personnel that the cabinet door does not permit/permit to open, further prevent personnel's electric shock accident.
Drawings
FIG. 1 is a schematic view of the valve and the propulsion mechanism of the high voltage switchgear of the present invention;
FIG. 2 is a structural diagram of the valve and the propulsion mechanism of the high-voltage switch gear of the present invention
FIG. 3 is a structural diagram of the cabinet door interlocking driving mechanism of the high-voltage switch gear valve and the propulsion mechanism of the present invention;
FIG. 4 is a schematic view of the door interlocking driving mechanism of the high voltage switchgear and the propulsion mechanism of the present invention;
FIG. 5 is a schematic view of the valve spring telescopic rod of the valve and the pushing mechanism of the high voltage switch device of the present invention;
FIG. 6 is a structural diagram of the valve and the sprocket gear transmission set of the propulsion mechanism of the high-voltage switchgear of the present invention;
in the attached drawings, 1, a door panel of a breaker chamber; 2. a cabinet door bending plate; 3. a cabinet door interlocking driving mechanism; 4. a shutter drive mechanism; 5. a valve fixing frame; 6. an upper valve spring telescopic rod; 7. a pressure displacement sensor; 8. a roller limiting block; 9. a roller; 10. adjusting the screw rod; 11. a chain; 12. an upper valve driving sprocket; 13. an upper valve driving gear; 14. the lower valve drives the sprocket; 15. a lower shutter drive gear; 16. an upper valve; 17. a sprocket for driving the upper valve shaft; 18. a lower valve; 19. a valve drive mechanism link; 20. a limiting plate; 21. a spring telescopic rod; 22. a support; 23. a cam; 24. a first link; 25. a second link; 26. a cam drive shaft; 27. the valve driving mechanism is used for bending the plate; 28. a first drive shaft.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 6, a high tension switchgear valve and advancing mechanism, including valve mount and valve, the valve can move in the slide of valve mount to the switching valve still includes valve actuating mechanism 4, the relevant spare part of valve actuating mechanism 4 drive valve still includes cabinet door interlocking drive mechanism 3 and cabinet door bent plate 2, and valve actuating mechanism 4 is connected to 3 one end of cabinet door interlocking drive mechanism, and the cabinet door bent plate 2 of fixing on the cabinet door is connected to the other end to the switching process and cabinet door closed/opened state interlock about the valve of valve actuating mechanism 4 driven.
Referring to fig. 1 and 3, a valve and a propulsion mechanism of a high-voltage switchgear includes a valve fixing frame, a valve driving mechanism 4, a cabinet door interlocking driving mechanism 3 and a breaker chamber door panel 1, wherein the valve is connected with the valve fixing frame in a sliding manner; the valve comprises an upper valve 16 and a lower valve 18, the valve is horizontally foldable, and the upper end of the upper valve 16 and the lower end of the lower valve 18 are rotatably connected with the valve fixing frame;
the valve driving mechanism 4 comprises a valve driving mechanism connecting rod 19, one end of the valve driving mechanism connecting rod 19 is connected with the lower valve 18, the other end of the valve driving mechanism connecting rod 19 is connected with the action output end of the cabinet door interlocking driving mechanism 3, and the action input end of the cabinet door interlocking driving mechanism 3 is connected with the circuit breaker chamber door plate 1; the lower end of the lower valve 18 is provided with a first driving shaft 28, the side surface of the valve fixing frame is provided with a chain wheel set, the chain wheel set comprises a driving chain wheel set and a driven chain wheel set, the joint of the driving chain wheel set and the driven chain wheel is provided with two gears which are meshed with each other, the two gears are fixedly connected with the driving chain wheel set and the driven chain wheel set respectively, and chains 11 are arranged on the driving chain wheel set and the driven chain wheel set; the lower end of the lower valve is provided with a first driving shaft, the first driving shaft is connected with the power input end of the driving chain wheel set, the upper end of the upper valve is provided with a second driving shaft, and the second driving shaft is fixedly connected with the power output end of the driven chain wheel set; the lower end of the upper valve and the upper end of the lower valve are both connected with the valve fixing frame in a sliding manner.
The valve fixing frame is provided with a slide way, the lower end of the upper valve and the upper end of the lower valve are both provided with connecting shafts, two ends of each connecting shaft are both provided with rollers 9, the rollers 9 are arranged in the slide way, and roller limiting blocks 8 are arranged in the slide way.
An upper valve spring telescopic rod 6 is arranged between the upper end and the lower end of the upper valve, and the upper valve spring telescopic rod 6 and the slideway are coaxially arranged.
Referring to fig. 4, the cabinet door interlocking driving mechanism 3 includes a cabinet door bending plate 2, a spring telescopic rod 21, a support 22, a cam 23, a first link 24, a second link 25, and a cam driving shaft 26; one end of the second connecting rod 25 is connected with the valve driving mechanism power bent plate 27, the other end of the connecting rod 25 is connected with the input end of the first connecting rod 24, the output end of the first connecting rod 24 is fixedly connected with the cam driving shaft 26, the cam 23 is arranged on the cam driving shaft 26, one end of the cam driving shaft 26 is rotatably connected with the support 22, the limiting plate 20 is arranged above the working surface of the cam 23, the limiting plate 20 is connected with the free end of the spring telescopic rod 21, the upper end of the limiting plate 20 extends into the cabinet door bent plate 2, and the limiting plate 20 can move up and down in the space between the cabinet door bent plate 2 and the circuit breaker room; the fixed end of the spring telescopic rod 21 is fixedly connected with the support 22.
The spring telescopic rod 21 comprises a telescopic rod, a spring is sleeved on the telescopic rod, one end of the spring is fixedly connected with one end of the telescopic rod, the other end of the spring is a free end, and the free end is connected with the limiting plate 20.
Referring to fig. 5, a pressure displacement sensor 7 is arranged at the upper end of the upper valve spring telescopic rod 6, and the output end of the pressure displacement sensor 7 is connected with the switch cabinet monitoring center or the controller input end of the switch cabinet panel;
the pressure displacement sensor 7 is a potentiometer type displacement sensor of a pressure transmitter, and adopts the manufacturer German Minchi 18 series, one end of the pressure displacement sensor 7 is connected with a valve fixing frame, and a sliding block of the pressure displacement sensor is connected with the free end of an upper valve spring telescopic rod 6.
There is the structure of buckling at the both ends and the middle part of cabinet door bent plate 2, and the both ends and the 1 medial surface of circuit breaker room door plant of cabinet door bent plate 2 are connected, are equipped with the clearance between the middle part of cabinet door bent plate 2 and 1 medial surface of circuit breaker room door plant.
The first end of a valve driving mechanism power bent plate 27 is hinged to the channel steel, the third end of the second connecting rod 25 is connected with a crank mechanism, and the output end of the crank mechanism is connected with a valve driving mechanism connecting rod 19; the power bent plate is provided with three link, and three link forms triangle-shaped, and second end and third end all are in first end top.
The valve driving mechanism connecting rod 19 comprises a driving connecting rod and a driven connecting rod, one end of the driving connecting rod is provided with a hinge hole and a connecting hole, the driving connecting rod is hinged with the channel steel through the hinge hole, the channel steel is internally provided with a crank mechanism, and the driving connecting rod is connected with the output end of the crank mechanism through the connecting hole; the other end of the driving connecting rod is rotatably connected with the driven connecting rod, the other end of the driven connecting rod is connected with a first driving shaft 28, and the connecting rod is fixedly arranged on the first driving shaft 28.
Drive sprocket group and driven sprocket group all include two chains, and the sprocket is all walked around to the chain, and adjusting screw 10 is all connected at the both ends of chain, adjusting screw 10's both ends all set up the screw thread to adjusting screw 10 sets up fastening nut with the junction of chain.
One end of the chain wheel gear transmission group is connected with the upper valve chain, the other end of the chain wheel gear transmission group is connected with the lower valve chain, and the upper valve and the lower valve can flexibly move in opposite directions through the gear group between the upper valve and the lower valve; go up 6 one ends of valve spring telescopic link and connect pressure displacement sensor 7, one end sets up gyro wheel stopper 8, when going up the valve and removing, go up the change that 6 springs of valve spring telescopic link have flexible volume promptly, pressure displacement sensor 7 can detect out this kind of change and feed back to cubical switchboard surveillance center.
The utility model discloses a working process and principle: when the handcart type breaker is pushed into the switch cabinet, the valve driving mechanism power bent plate 27 rotates, on one hand, the second connecting rod 25 pushes the first connecting rod 24 connected with the cam driving shaft to drive the cam driving shaft 26 to rotate, and then the cam 23 rotates to push the limiting plate 20 on the support 22, the limiting plate 20 is reset by the spring telescopic rod 21, the limiting plate 20 can reciprocate up and down in the limited space of the cabinet door bent plate 2 to achieve the effect of limiting the opening and closing of the cabinet door 1, on the other hand, when the valve driving mechanism power bent plate 27 rotates for a certain angle, the valve driving mechanism connecting rod 19 is driven, the valve driving mechanism connecting rod 19 pushes the first driving shaft 28 to rotate, and further drives the lower valve 18 to move downwards on the slideway, so as to open the lower valve 18 downwards, and simultaneously, the lower valve chain wheel transmission shaft rotates to drag the lower valve chain wheel 15, the lower valve gear 14 and the upper, the upper valve chain wheel 12 further transmits the movement of the lower valve 18 in the reverse direction to the chain wheel 17 driving the upper valve shaft and the upper valve 16 on the transmission shaft of the upper valve chain wheel through the chain 11, and further upwards opens the upper valve 16, and in the process that the upper valve 16 is upwards opened, the chain is pre-tightened through the adjusting screw rod 10; the roller 9 of the upper valve 16 can extrude the roller limiting block 8, the upper valve spring telescopic rod 6 has a compression amount, the compression amount of the upper valve spring telescopic rod 6 is measured and fed back to the controller and the control panel by the pressure displacement sensor 7, so that an operator and a remote monitoring room can know the valve opening state of a single cabinet and can remind the circuit breaker room door plate 1 of not being opened.
One end of the upper valve spring telescopic rod 6 is fixed, the other end of the upper valve spring telescopic rod can freely stretch out and draw back to form a free end, and the free end of the upper valve spring telescopic rod is connected with the lower end of the upper valve.
When the handcart type circuit breaker is pushed out of the switch cabinet to reach a test position, the power bent plate 27 of the valve driving mechanism rotates in the reverse direction under the action of the upper valve spring telescopic rod 6, and other related components move in the reverse direction to reach an initial state.
The utility model discloses a be applicable to high-voltage distribution equipment technical field, adopted advanced structure, the cubical switchboard valve has perfect interlocking function, also is applicable to medium voltage power transmission and distribution trade power control.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and instructive, and are not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the claims.
Claims (9)
1. A valve and a propelling mechanism of high-voltage switch equipment are characterized by comprising a valve fixing frame, a valve driving mechanism (4), a cabinet door interlocking driving mechanism (3) and a breaker chamber door plate (1), wherein the valve is connected with the valve fixing frame in a sliding manner; the valve comprises an upper valve (16) and a lower valve (18), the valve is horizontally foldable, and the upper end of the upper valve (16) and the lower end of the lower valve (18) are rotatably connected with the valve fixing frame;
the valve driving mechanism (4) comprises a valve driving mechanism connecting rod (19), one end of the valve driving mechanism connecting rod (19) is connected with the lower valve (18), the other end of the valve driving mechanism connecting rod is connected with the action output end of the cabinet door interlocking driving mechanism (3), and the action input end of the cabinet door interlocking driving mechanism (3) is connected with the breaker chamber door plate (1); the lower end of the lower valve (18) is provided with a first driving shaft (28), the side face of the valve fixing frame is provided with a chain wheel set, the chain wheel set comprises a driving chain wheel set and a driven chain wheel set, the joint of the driving chain wheel set and the driven chain wheel is provided with two gears which are meshed with each other, the two gears are fixedly connected with the driving chain wheel set and the driven chain wheel set respectively, and chains (11) are arranged on the driving chain wheel set and the driven chain wheel set respectively; the lower end of the lower valve is provided with a first driving shaft, the first driving shaft is connected with the power input end of the driving chain wheel set, the upper end of the upper valve is provided with a second driving shaft, and the second driving shaft is fixedly connected with the power output end of the driven chain wheel set; the lower end of the upper valve and the upper end of the lower valve are both connected with the valve fixing frame in a sliding manner.
2. The high-voltage switch equipment valve and propulsion mechanism according to claim 1, characterized in that the valve fixing frame is provided with a slide way, the lower end of the upper valve and the upper end of the lower valve are both provided with a connecting shaft, both ends of the connecting shaft are both provided with rollers (9), the rollers (9) are arranged in the slide way, and a roller limiting block (8) is arranged in the slide way.
3. The high voltage switchgear shutter and propulsion mechanism according to claim 2, characterized in that the upper shutter spring telescopic rod (6) is arranged between the upper and lower ends of the upper shutter, the upper shutter spring telescopic rod (6) and the slideway are arranged coaxially.
4. The high-voltage switchgear shutter and propulsion mechanism according to claim 3, characterized in that the upper end of the upper shutter spring telescopic rod (6) is provided with a pressure displacement sensor (7), and the output end of the pressure displacement sensor (7) is connected with the switch cabinet monitoring center or the controller input end of the switch cabinet panel.
5. The high voltage switchgear shutter and propulsion mechanism according to claim 1, characterized in that the cabinet door interlock driving mechanism (3) comprises a cabinet door bending plate (2), a spring telescopic rod (21), a support (22), a cam (23), a first link (24), a second link (25) and a cam driving shaft (26); one end of a second connecting rod (25) is connected with a valve driving mechanism power bent plate (27), the other end of the second connecting rod (25) is connected with the input end of a first connecting rod (24), the output end of the first connecting rod (24) is fixedly connected with a cam driving shaft (26), a cam (23) is arranged on the cam driving shaft (26), one end of the cam driving shaft (26) is rotatably connected with a support (22), a limiting plate (20) is arranged above the working surface of the cam (23), the limiting plate (20) is connected with the free end of a spring telescopic rod (21), the upper end of the limiting plate (20) extends into a cabinet door bent plate (2), and the limiting plate (20) can move up and down in the space of the cabinet door bent plate (2) and a circuit breaker chamber door plate (1); the fixed end of the spring telescopic rod (21) is fixedly connected with the support (22).
6. The high-voltage switchgear shutter and propulsion mechanism according to claim 5, characterized in that the powered bent plate (27) of the shutter driving mechanism is provided with three connection ends, the three connection ends form a triangle, the second end and the third end are both located above the first end, the first end of the powered bent plate (27) is hinged on the channel steel, the second connecting rod (25) is connected with the third end, and the output end of the crank mechanism is connected with the shutter driving mechanism connecting rod (19).
7. The high-voltage switchgear valve and propulsion mechanism according to claim 6, characterized in that the valve driving mechanism connecting rod (19) comprises a driving connecting rod and a driven connecting rod, one end of the driving connecting rod is provided with a hinge hole and a connecting hole, the driving connecting rod is hinged with the channel steel through the hinge hole, a crank mechanism is arranged in the channel steel, and the driving connecting rod is connected with the output end of the crank mechanism through the connecting hole; the other end of the driving connecting rod is rotatably connected with the driven connecting rod, the other end of the driven connecting rod is connected with a first driving shaft (28), and a connecting rod is fixedly arranged on the first driving shaft (28).
8. The high voltage switch equipment valve and propulsion mechanism according to claim 1, wherein the driving chain wheel set and the driven chain wheel set both comprise two chains (11) and adjusting screws (10), the chains (11) both bypass the chain wheels, the two ends of the chains (11) are both connected with the adjusting screws (10), the two ends of the adjusting screws (10) are both provided with threads, and fastening nuts are arranged at the joints of the adjusting screws (10) and the chains.
9. The high-voltage switchgear trap and advance mechanism as claimed in claim 1, characterized in that the trap drive mechanism (4) and the cabinet door interlock drive mechanism (3) are arranged symmetrically about a vertical center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003991.XU CN211018016U (en) | 2019-11-19 | 2019-11-19 | Valve and propulsion mechanism of high-voltage switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003991.XU CN211018016U (en) | 2019-11-19 | 2019-11-19 | Valve and propulsion mechanism of high-voltage switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211018016U true CN211018016U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922003991.XU Expired - Fee Related CN211018016U (en) | 2019-11-19 | 2019-11-19 | Valve and propulsion mechanism of high-voltage switch equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN211018016U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| WO2022178963A1 (en) * | 2021-02-25 | 2022-09-01 | Jst Power Equipment, Inc. | Switchgear system having chain driven circuit breaker and associated methods |
| US11735893B2 (en) | 2021-02-25 | 2023-08-22 | Jst Power Equipment, Inc. | Switchgear system having chain driven circuit breaker and associated methods |
-
2019
- 2019-11-19 CN CN201922003991.XU patent/CN211018016U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022178963A1 (en) * | 2021-02-25 | 2022-09-01 | Jst Power Equipment, Inc. | Switchgear system having chain driven circuit breaker and associated methods |
| TWI811967B (en) * | 2021-02-25 | 2023-08-11 | 美商金盤電氣設備股份有限公司 | Switchgear system having chain driven circuit breaker and associated methods |
| US11735893B2 (en) | 2021-02-25 | 2023-08-22 | Jst Power Equipment, Inc. | Switchgear system having chain driven circuit breaker and associated methods |
| CN113036653A (en) * | 2021-05-06 | 2021-06-25 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
| CN113036653B (en) * | 2021-05-06 | 2023-07-07 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
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Granted publication date: 20200714 Termination date: 20211119 |