CN107731611B - Double-shaft springless operating mechanism of three-station isolating switch - Google Patents
Double-shaft springless operating mechanism of three-station isolating switch Download PDFInfo
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- CN107731611B CN107731611B CN201711206687.4A CN201711206687A CN107731611B CN 107731611 B CN107731611 B CN 107731611B CN 201711206687 A CN201711206687 A CN 201711206687A CN 107731611 B CN107731611 B CN 107731611B
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- 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
- H01H31/026—Movable parts and contacts mounted thereon
Abstract
The invention discloses a double-shaft springless operating mechanism of a three-station isolating switch, which comprises a bracket, and a main shaft, an earthing switch operating shaft and an isolating switch operating shaft which are arranged on the bracket, wherein the earthing switch operating shaft and the isolating switch operating shaft are respectively arranged on two sides of the main shaft, the main shaft is provided with a main shaft operating disc, the earthing switch operating shaft is provided with an earthing switch operating disc, the isolating switch operating shaft is provided with an isolating switch operating disc, the main shaft operating disc is circumferentially provided with a first transmission part and a second transmission part, the earthing switch operating disc is provided with a third transmission part matched with the first transmission part, and the isolating switch operating disc is provided with a fourth transmission part matched with the second transmission part. The invention has the advantages of simple and reliable structure, low cost, interlocking protection characteristic, no need of arranging an additional protection device, contribution to realizing electric remote control operation and the like.
Description
Technical Field
The invention relates to an isolating switch, in particular to a double-shaft springless operating mechanism of a three-position isolating switch.
Background
The isolating switch is used in a high-voltage switch primary power distribution cabinet and used for connecting and isolating a high-voltage incoming line bus and grounding a feed device. It needs to have three functional positions: the isolating switch is switched on, namely, the switch is switched on; connecting a power feeding device with the bus to receive power; the isolation of the isolating switch is that the isolating switch is opened: disconnecting the feeder from the bus; the isolating switch is grounded, namely the grounding end is switched on, so that the grounding end is switched on and reliably grounded under the condition that the feeding device has no load, and the safety of the load side of the feeding device and the personal safety of maintenance personnel are ensured. In order to realize the closing, opening and grounding of the isolating switch, an electric or manual three-position operating mechanism needs to be configured, and the single-shaft operation of the three-position isolating switch easily causes misoperation, for example, in the closing state of the isolating switch, the switch is directly driven to the grounding position instead of the opening position due to excessive force or misoperation, so that the mechanism is easily damaged and even harms an operator; compared with the prior art, the double-shaft operation can ensure that power transmission and power failure operations can be carried out according to programs, the isolation shaft can only be operated between the opening and closing states of the switch, and the grounding shaft can only be operated between the opening and grounding states of the switch. Meanwhile, the operation mechanism of the double-shaft three-position isolating switch is operated up and down through the handle, which is not beneficial to realizing electric remote control operation. In addition, the three-station isolating switch operating mechanism is provided with a set of five-prevention mechanism which is attached to the front of the operating shaft and used for ensuring safe power cut and transmission, the complex five-prevention interlocking mechanism causes the manufacturing process of the equipment to become very complex, and meanwhile, the operation of the mechanism also has unstable factors; the existing double-shaft three-station isolating switch operating mechanism is limited by a structure, an opening and closing coil spring and a grounding switch operating spring are configured, the structure is complex and high in cost, a transmission shaft and a crank arm of the isolating switch are mostly plastic pieces, the spring can generate large impact when releasing stored energy, the plastic pieces are easily deformed or damaged, the service life of equipment is influenced, and even the isolating switch is closed or opened to lose functions.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-shaft springless operating mechanism of a three-station isolating switch, which has a simple and reliable structure, has interlocking protection characteristics, does not need to be provided with an additional protection device and is beneficial to realizing electric remote control operation.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a three station isolator biaxes do not have spring operating device, includes the support and locates main shaft, earthing switch operating axis and isolator operating axis on the support, the earthing switch operating axis with the isolator operating axis branch is located the main shaft both sides, be equipped with the main shaft operation panel on the main shaft, be equipped with the earthing switch operating panel on the earthing switch operating axis, the isolator operating axis is equipped with the isolator operating panel, the main shaft operation panel is equipped with first transmission portion and second transmission portion along circumference be equipped with on the earthing switch operating panel with first transmission portion complex third driving medium, be equipped with on the isolator operating panel with second transmission portion complex fourth driving medium.
As a further improvement of the above technical solution: the main shaft operation panel is further provided with three locking parts along the circumferential direction, the support is provided with an elastic locking assembly used for locking the main shaft operation panel, a reciprocating first locking assembly is arranged between the grounding switch operation shaft and the elastic locking assembly, and a reciprocating second interlocking assembly is arranged between the isolating switch operation shaft and the elastic locking assembly.
As a further improvement of the above technical solution: the first lock assembly comprises a first cam and a first connecting rod, the first cam is installed on the grounding switch operating shaft, the middle of the first connecting rod is hinged to the support, the axis of the hinged shaft is parallel to the axis of the grounding switch operating shaft, and the two ends of the first connecting rod are respectively abutted to the first cam and the elastic locking assembly.
As a further improvement of the above technical solution: the second interlocking component comprises a second cam and a second connecting rod, the second cam is installed on the isolating switch operating shaft, the middle of the second connecting rod is hinged to the support, the axis of the hinged shaft is parallel to the axis of the isolating switch operating shaft, two ends of the second connecting rod are abutted to the second cam and the elastic locking component respectively, and the first connecting rod and the second connecting rod are arranged in the axial direction of the main shaft.
As a further improvement of the above technical solution: the elastic locking assembly comprises a swing rod arranged on the support, a locking block arranged on the swing rod and a lock pin arranged on the locking block, the swing end of the swing rod is connected with the support through a spring, the first connecting rod and the second connecting rod are abutted to the locking block, a clamping groove is formed in the locking station, and the lock pin is clamped in the clamping groove.
As a further improvement of the above technical solution: the earthing switch operating shaft with the isolator operating shaft is located respectively the main shaft left and right sides, the locking piece is located on the main shaft, first connecting rod with the second connecting rod be V style of calligraphy structure and upper end horizontally with locking piece lower extreme butt.
As a further improvement of the above technical solution: the first transmission part and the second transmission part are both key grooves.
As a further improvement of the above technical solution: the third transmission part and the fourth transmission part are pulleys, and the axes of the pulleys are parallel to the axis of the main shaft.
As a further improvement of the above technical solution: the bracket is provided with a first latch on the rotating path of the third transmission part, and the bracket is provided with a second latch on the rotating path of the fourth transmission part.
Compared with the prior art, the invention has the advantages that: the invention discloses a double-shaft springless operating mechanism of a three-station isolating switch, which adopts the double-shaft operation of an operating shaft of a grounding switch and an operating shaft of the isolating switch, wherein the isolating shaft is responsible for switching on and off states of a change-over switch, and the grounding shaft is responsible for switching off and grounding states of the change-over switch, so that the operation of power transmission and power failure according to a program is ensured; the grounding switch operating shaft and the isolating switch operating shaft are operated by operating panels, and the operating panels of the grounding switch operating shaft and the isolating switch operating shaft can be driven by a motor, so that electric remote control operation is facilitated; furthermore, because the distances between the transmission structures (the first transmission part and the third transmission part, and the second transmission part and the fourth transmission part) which are matched with each other on the grounding switch operating panel, the disconnecting switch operating panel and the main shaft operating panel can be changed, when the first transmission part is positioned on the rotation path of the third transmission part (or the second transmission part is positioned on the rotation path of the fourth transmission part), the third transmission part can drive the first transmission part to rotate (or the fourth transmission part can drive the second transmission part to rotate), and then the main shaft is operated; if first drive division is driven to rotate when far away apart from the third driving medium (or second transmission portion is far away from the fourth driving medium) otherwise, that is to say that first drive division is located the third driving medium rotation path outside (or second transmission portion is located the fourth driving medium rotation path outside), so third driving medium no matter corotation or reversal can't drive first drive division rotatory (or fourth driving medium no matter corotation or reversal can't drive second transmission portion rotatory), also can't operate the main shaft, make this operating device self can possess the chain relation: when the switch is in a switch-on state, the grounding operating shaft cannot operate the switch, and when the switch is in a grounding state, the isolation operating shaft cannot operate the switch; therefore, an additional protection device is not required, the structure is greatly simplified, the reliability is higher, and the personal safety of operators can be better ensured; furthermore, the operating mechanism with the structure can eliminate the opening and closing coil spring and the grounding switch spring, reduce the impact force of the mechanism, simplify the structure, improve the reliability and save the cost.
Drawings
Fig. 1 is a schematic structural view of a three-position disconnecting switch in a closing state of a double-shaft springless operating mechanism grounding switch.
Fig. 2 is a schematic structural diagram of a three-position disconnecting switch in a top view when a two-shaft springless operating mechanism grounding switch is in a closing state.
Fig. 3 is a schematic side view of the three-position disconnecting switch in a closing state of the grounding switch with the double-shaft springless operating mechanism.
Fig. 4 is a schematic structural view of the isolating switch of the double-shaft springless operating mechanism of the three-position isolating switch in the opening state.
Fig. 5 is a schematic structural view of a double-shaft springless operating mechanism of the three-position disconnecting switch in a closing state.
Fig. 6 is a schematic structural diagram of the first and second interlocking components in the closing state of the grounding switch in the present invention.
Fig. 7 is a schematic structural diagram of the first interlocking component and the second interlocking component in the opening state of the disconnecting switch in the invention.
Fig. 8 is a schematic structural diagram of the first and second interlock assemblies in the closing state of the disconnector.
The reference numerals in the figures denote: 1. a support; 11. a first core; 12. a second core; 2. a main shaft; 3. a ground switch operating shaft; 4. an isolating switch operating shaft; 5. a spindle operating panel; 51. a first transmission unit; 52. a second transmission part; 53. a locking portion; 54. a card slot; 6. an earthing switch operation panel; 61. a third transmission member; 7. an isolating switch operating panel; 71. a fourth transmission member; 8. an elastic locking assembly; 81. a swing rod; 82. a locking block; 83. a lock pin; 84. a spring; 100. a first linkage assembly; 101. a first cam; 102. a first link; 200. a second interlock assembly; 201. a second cam; 202. a second link.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 8 show an embodiment of the present invention, and the three-position disconnecting switch double-shaft springless operating mechanism of this embodiment includes a bracket 1, and a main shaft 2, a grounding switch operating shaft 3 and a disconnecting switch operating shaft 4 which are arranged on the bracket 1, the grounding switch operating shaft 3 and the disconnecting switch operating shaft 4 are respectively arranged on two sides of the main shaft 2, a main shaft operating panel 5 is arranged on the main shaft 2, a grounding switch operating panel 6 is arranged on the grounding switch operating shaft 3, a disconnecting switch operating panel 7 is arranged on the disconnecting switch operating shaft 4, a first transmission part 51 and a second transmission part 52 are circumferentially arranged on the main shaft operating panel 5, a third transmission part 61 which is matched with the first transmission part 51 is arranged on the grounding switch operating panel 6, and a fourth transmission part 71 which is matched with the second transmission part 52 is arranged on the disconnecting switch operating panel 7.
The double-shaft springless operating mechanism of the three-station isolating switch adopts the double-shaft operation of the grounding switch operating shaft 3 and the isolating switch operating shaft 4, the isolating switch operating shaft 4 is responsible for the opening and closing states of the change-over switch, and the grounding switch operating shaft 3 is responsible for the opening and grounding states of the change-over switch, so that the operation of power transmission and power failure according to a program can be guaranteed; the grounding switch operating shaft 3 and the isolating switch operating shaft 4 are operated by operating panels, and the main shaft 2 can be operated by driving the operating panels of the grounding switch operating shaft and the isolating switch operating shaft through a motor, so that electric remote control operation is facilitated; further, since the distances between the transmission structures (the first transmission part 51 and the third transmission part 61, and the second transmission part 52 and the fourth transmission part 71) which are matched with each other on the grounding switch operating panel 6, the disconnecting switch operating panel 7 and the main shaft operating panel 5 in the rotating process are changed, when the first transmission part 51 is located on the rotating path of the third transmission part 61 (or the second transmission part 52 is located on the rotating path of the fourth transmission part 71), the third transmission part 61 can drive the first transmission part 51 to rotate (or the fourth transmission part 71 can drive the second transmission part 52 to rotate), and the main shaft 2 is operated; on the contrary, if the first transmission part 51 is driven to rotate to a position far away from the third transmission part 61 (or the second transmission part 52 is far away from the fourth transmission part 71), that is, the first transmission part 51 is located outside the rotation path of the third transmission part 61 (or the second transmission part 52 is located outside the rotation path of the fourth transmission part 71), then the third transmission part 61 cannot drive the first transmission part 51 to rotate (or the fourth transmission part 71 cannot drive the second transmission part 52 to rotate) in both forward rotation and reverse rotation, and the main shaft 2 cannot be operated, so that the operating mechanism itself can have a chain relationship: when the switch is in a closing state, the grounding switch operating shaft 3 can not operate the switch, and when the switch is in a grounding state, the isolating switch operating shaft 4 can not operate the switch; therefore, an additional protection device is not required, the structure is greatly simplified, the reliability is higher, and the personal safety of operators can be better ensured; furthermore, the operating mechanism with the structure can eliminate the opening and closing coil spring and the grounding switch spring, reduce the impact force of the mechanism, simplify the structure, improve the reliability and save the cost.
In a preferred embodiment, the first transmission part 51 and the second transmission part 52 are both keyways, the third transmission member 61 and the fourth transmission member 71 are both pulleys, and the axes of the pulleys are parallel to the axis of the main shaft 2. The transmission mode of the key groove and the pulley is adopted, the structure is simple and reliable, the manufacturing cost of the equipment is low, the abrasion of the pulley can be reduced to a certain degree, and the service life is prolonged. In other embodiments, each transmission member can be adjusted to achieve the above-mentioned transmission function. When in work: when the pulley enters the corresponding key groove, the corresponding operating panel can be driven to rotate; when the key slots are driven to rotate to the outer side of the corresponding pulley rotating path (or track), the pulley cannot enter the corresponding key slots, and the main shaft 2 cannot be operated.
As a further preferable technical solution, in this embodiment, the main shaft operating panel 5 is further provided with three locking portions 53 along the circumferential direction, that is, corresponding to a three-position disconnecting switch, the bracket 1 is provided with an elastic locking component 8 for locking the main shaft operating panel 5, a first interlocking component 100 is provided between the earthing switch operating shaft 3 and the elastic locking component 8, and a second interlocking component 200 is provided between the disconnecting switch operating shaft 4 and the elastic locking component 8. When the grounding switch operating shaft 3 or the disconnecting switch operating shaft 4 needs to operate the main shaft 2, the grounding switch operating shaft 3 or the disconnecting switch operating shaft 4 rotates, the first lock assembly 100 or the second lock assembly 200 overcomes the elastic force of the elastic locking assembly 8 to unlock, the third transmission piece 61 or the fourth transmission piece 71 can drive the main shaft operating disc 5 to rotate, the main shaft 2 is operated, and when the main shaft operating disc 5 rotates to the next locking station 53, the elastic locking assembly 8 resets to lock the main shaft operating disc 5 again. Preferably, the locking portion 53 employs a groove.
Furthermore, in the present embodiment, the first lock assembly 100 includes a first cam 101 and a first link 102, the first cam 101 is installed on the ground switch operating shaft 3, the middle portion of the first link 102 is hinged to the bracket 1, the axis of the hinge shaft is parallel to the axis of the ground switch operating shaft 3, and two ends of the first link 102 are respectively abutted against the first cam 101 and the elastic locking assembly 8. During operation, the earthing switch operating panel 6 drives the earthing switch operating shaft 3 to rotate, and then drives the first cam 101 to rotate, the first cam 101 pushes the lower end of the first connecting rod 102 to enable the lower end to rotate around the hinged position of the middle of the first connecting rod 102, the upper end of the first connecting rod 102 pulls the elastic locking component 8 upwards, and the earthing switch operating panel 6 can drive the main shaft operating panel 5 to rotate.
Furthermore, in the present embodiment, the second interlocking component 200 includes a second cam 201 and a second connecting rod 202, the second cam 201 is mounted on the disconnecting switch operating shaft 4, the middle portion of the second connecting rod 202 is hinged to the bracket 1, the axis of the hinge shaft is parallel to the axis of the disconnecting switch operating shaft 4, two ends of the second connecting rod 202 are respectively abutted against the second cam 201 and the elastic locking component 8, and the first connecting rod 102 and the second connecting rod 202 are axially arranged along the main shaft 2. The operation principle of the second interlocking assembly 200 is substantially the same as that of the first interlocking assembly 100, and thus, the detailed description thereof is omitted. The first link 102 and the second link 202 are axially arranged along the main shaft 2, which is beneficial to enabling the first link 102 and the second link 202 to both pull up the elastic locking assembly 8.
Furthermore, in this embodiment, the elastic locking assembly 8 includes a swing rod 81 disposed on the bracket 1, a locking block 82 disposed on the swing rod 81, and a locking pin 83 disposed on the locking block 82, the swing end of the swing rod 81 is connected to the bracket 1 through a spring 84, the first connecting rod 102 and the second connecting rod 202 are both abutted to the locking block 82, a locking slot 54 is disposed at the locking station 53, and the locking pin 83 is tightly clamped in the locking slot 54.
Further, in the present embodiment, the earthing switch operating shaft 3 and the disconnecting switch operating shaft 4 are respectively disposed on the left and right sides of the main shaft 2, the lock block 82 is located on the main shaft 2, and the first link 102 and the second link 202 are both V-shaped structures and the upper ends thereof horizontally abut against the lower ends of the lock block 82.
As a further preferable technical solution, in the present embodiment, the bracket 1 is provided with the first detent 11 on the rotation path of the third transmission member 61, and the bracket 1 is provided with the second detent 12 on the rotation path of the fourth transmission member 71. Through setting up corresponding sincere son, restrict the rotation angle of each operation axle, prevent each operation axle excessive rotation, be favorable to improving the accuracy of operation.
The working principle of the double-shaft springless operating mechanism of the three-station isolating switch is as follows:
starting from fig. 1 and corresponding fig. 6, the ground switch operating panel 6 rotates clockwise to drive the ground switch operating shaft 3 to rotate, and further drive the first cam 101 to rotate, the first cam 101 pushes the lower end of the first connecting rod 102 to rotate around the hinged position of the middle part of the first connecting rod 102, the upper end of the first connecting rod 102 pulls up the locking block 82, the lock pin 83 is disengaged from the clamping groove 54 on the main shaft operating panel 5, when the pulley on the ground switch operating panel 6 enters the key groove of the main shaft operating panel 5, the main shaft 2 is driven to rotate in the counterclockwise direction, the locking block 82 falls down to the position of fig. 4, the lock pin 83 enters the clamping groove 54 to lock the main shaft operating panel 5, the ground switch operating panel 6 can also continue to rotate clockwise until being blocked by the first pawl 11, and at this time, the isolating switch is in the opening state.
Starting from fig. 4 and corresponding fig. 7, the disconnecting switch operating panel 7 rotates clockwise to further drive the second cam 201 to rotate, the second cam 201 pushes the lower end of the second connecting rod 202 to rotate around the hinged position of the middle part of the second connecting rod, the upper end of the second connecting rod 202 pulls up the locking block 82, the lock pin 83 is disengaged from the clamping groove 54 on the main shaft operating panel 5, when the pulley on the disconnecting switch operating panel 7 enters the key groove of the main shaft operating panel 5, the main shaft 2 is driven to rotate in the counterclockwise direction, the locking block 82 falls down to the position of fig. 5, the lock pin 83 enters the clamping groove 54 to lock the main shaft operating panel 5 again, the disconnecting switch operating panel 7 can also continue to rotate clockwise until being blocked by the second pawl 12, and at this time, the disconnecting switch is in a closing state. Even if the earthing switch operating panel 6 rotates, the pulley thereon cannot enter the key groove on the spindle operating panel 5, and the spindle operating panel 5 cannot be operated.
Conversely, starting from fig. 5 and corresponding fig. 8, the disconnecting switch operating panel 7 rotates counterclockwise, the second connecting rod 202 is pressed by the second cam 201 to jack up the locking block 82, when the pulley on the disconnecting switch operating panel 7 enters the key slot of the spindle operating panel 5, the spindle 2 is driven to rotate clockwise, the locking block 82 falls down to the position of fig. 4 to lock the spindle 2, the disconnecting switch operating panel 7 can also continue to rotate clockwise until being blocked by the second pawl 12, and the disconnecting switch is in the open state.
Conversely, starting from fig. 4, the earthing switch operating panel 6 rotates counterclockwise, the first link 102 is pressed by the first cam 101 to jack up the locking block 82, when the pulley on the earthing switch operating panel 6 enters the key slot of the main shaft operating panel 5, the main shaft 2 is driven to rotate clockwise, the locking block 82 falls down to the position of fig. 1 to lock the main shaft 2, the earthing switch operating panel 6 can also continue to rotate clockwise until being blocked by the first pawl 11, and the earthing switch is in a closing state at this time. Even if the disconnecting switch operating panel 7 rotates, the pulley on the disconnecting switch operating panel cannot enter the key groove on the main shaft operating panel 5, and the main shaft operating panel 5 cannot be operated.
In the above processes, when the switch is in a switch-on state, the grounding switch operating shaft 3 cannot operate the main shaft 2, and when the switch is in a grounding state, the isolating switch operating shaft 4 cannot operate the main shaft 2, so that the operating mechanism disclosed by the invention has an interlocking protection characteristic, a protection device does not need to be additionally arranged, and the structure is greatly simplified.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (6)
1. The utility model provides a three station isolator biaxes do not have spring operating device, includes support (1) and main shaft (2), earthing switch operating axis (3) and isolator operating axis (4) on locating support (1), its characterized in that: the grounding switch operating shaft (3) and the isolating switch operating shaft (4) are respectively arranged on two sides of the main shaft (2), a main shaft operating disc (5) is arranged on the main shaft (2), a grounding switch operating disc (6) is arranged on the grounding switch operating shaft (3), an isolating switch operating disc (7) is arranged on the isolating switch operating shaft (4), a first transmission part (51) and a second transmission part (52) are arranged on the main shaft operating disc (5) along the circumferential direction, a third transmission part (61) matched with the first transmission part (51) is arranged on the grounding switch operating disc (6), a fourth transmission part (71) matched with the second transmission part (52) is arranged on the isolating switch operating disc (7), three locking parts (53) are further arranged on the main shaft operating disc (5) along the circumferential direction, an elastic locking component (8) used for locking the main shaft operating disc (5) is arranged on the support (1), a reciprocating first locking assembly (100) is arranged between the grounding switch operating shaft (3) and the elastic locking assembly (8), a reciprocating second locking assembly (200) is arranged between the disconnecting switch operating shaft (4) and the elastic locking assembly (8), the first locking assembly (100) comprises a first cam (101) and a first connecting rod (102), the first cam (101) is installed on the grounding switch operating shaft (3), the middle part of the first connecting rod (102) is hinged with the bracket (1), the axis of a hinged shaft is parallel to the axis of the grounding switch operating shaft (3), two ends of the first connecting rod (102) are respectively abutted against the first cam (101) and the elastic locking assembly (8), the second locking assembly (200) comprises a second cam (201) and a second connecting rod (202), and the second cam (201) is installed on the disconnecting switch operating shaft (4), the middle part of the second connecting rod (202) is hinged to the bracket (1), the axis of a hinged shaft is parallel to the axis of the isolating switch operating shaft (4), two ends of the second connecting rod (202) are respectively abutted to the second cam (201) and the elastic locking component (8), and the first connecting rod (102) and the second connecting rod (202) are axially arranged along the main shaft (2).
2. The two-axis springless operating mechanism of the three-position isolating switch according to claim 1, characterized in that: the elastic locking assembly (8) comprises a swing rod (81) arranged on the bracket (1), a locking block (82) arranged on the swing rod (81), and a locking pin (83) arranged on the locking block (82), the swing end of the swing rod (81) is connected with the bracket (1) through a spring (84), the first connecting rod (102) and the second connecting rod (202) are abutted to the locking block (82), a clamping groove (54) is formed in the locking part (53), and the locking pin (83) is clamped in the clamping groove (54).
3. The two-axis springless operating mechanism of the three-position isolating switch according to claim 2, characterized in that: earthing switch operating axis (3) with isolator operating axis (4) branch is located main shaft (2) left and right sides, locking piece (82) are located on main shaft (2), first connecting rod (102) with second connecting rod (202) are V style of calligraphy structure and upper end horizontal with locking piece (82) lower extreme butt.
4. A three-position disconnecting switch double-shaft springless operating mechanism according to any one of claims 1 to 3, characterized in that: the first transmission part (51) and the second transmission part (52) are both key grooves.
5. The two-axis springless operating mechanism of the three-position isolating switch according to claim 4, characterized in that: the third transmission piece (61) and the fourth transmission piece (71) are pulleys, and the axes of the pulleys are parallel to the axis of the main shaft (2).
6. A three-position disconnecting switch double-shaft springless operating mechanism according to any one of claims 1 to 3, characterized in that: the support (1) is provided with a first detent (11) on a rotation path of the third transmission member (61), and the support (1) is provided with a second detent (12) on a rotation path of the fourth transmission member (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206687.4A CN107731611B (en) | 2017-11-27 | 2017-11-27 | Double-shaft springless operating mechanism of three-station isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206687.4A CN107731611B (en) | 2017-11-27 | 2017-11-27 | Double-shaft springless operating mechanism of three-station isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107731611A CN107731611A (en) | 2018-02-23 |
| CN107731611B true CN107731611B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711206687.4A Active CN107731611B (en) | 2017-11-27 | 2017-11-27 | Double-shaft springless operating mechanism of three-station isolating switch |
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| CN114038705B (en) * | 2021-11-10 | 2022-12-02 | 江苏大全凯帆开关股份有限公司 | Reset device of isolating switch operating mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06302253A (en) * | 1993-04-13 | 1994-10-28 | Mitsubishi Electric Corp | Operating mechanism of three-position switch |
| CN203596309U (en) * | 2013-12-07 | 2014-05-14 | 国家电网公司 | Three-position isolation switch operating mechanism |
| CN203631398U (en) * | 2013-12-31 | 2014-06-04 | 浙江华仪电器科技有限公司 | A three-position-switch-used operation mechanism |
| CN205666148U (en) * | 2016-03-17 | 2016-10-26 | 宁波兴邦电器有限公司 | Switch electrical apparatus three -position operating means |
| CN206558420U (en) * | 2017-01-16 | 2017-10-13 | 北京思威驰电力技术有限公司 | A kind of reliable dual operation axle three position mechanism of locking |
| CN207637687U (en) * | 2017-11-27 | 2018-07-20 | 湖南长高成套电器有限公司 | A kind of tri-station isolating switch twin shaft is without spring operating mechanism |
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2017
- 2017-11-27 CN CN201711206687.4A patent/CN107731611B/en active Active
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