CN210628209U - Structure of C-shaped spring mechanism directly linking three-phase circuit breaker - Google Patents
Structure of C-shaped spring mechanism directly linking three-phase circuit breaker Download PDFInfo
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- CN210628209U CN210628209U CN201921818397.XU CN201921818397U CN210628209U CN 210628209 U CN210628209 U CN 210628209U CN 201921818397 U CN201921818397 U CN 201921818397U CN 210628209 U CN210628209 U CN 210628209U
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Abstract
The utility model discloses a structure of a C-shaped spring mechanism direct linkage three-phase circuit breaker, which relates to the field of 40.5kV high-voltage switch cabinets and comprises a frame and a three-phase output, wherein the three-phase output is arranged in an inner cavity of the frame, the end part of the three-phase output extends to one side of the outer wall of the frame and is connected with the circuit breaker, the top part of the inner cavity of the frame is rotatably provided with a rotating shaft, and the three-phase output is fixedly sleeved on the rotating shaft at one end of the inner cavity of; the three-phase output is composed of three groups of transmission components. This mechanism changes output structure, has increased the transmission part that even board, first transmission connecting lever, mounting panel and connector constitute on original basis, constitutes three synchronous interface at mechanism output position, can be connected with the circuit breaker three-phase, makes transmission efficiency and stability promote greatly, converts the synchronous output of three-phase into in mechanism inside, can direct interlock circuit breaker, no longer increases transition transmission between mechanism and circuit breaker, has reduced the space.
Description
Technical Field
The utility model relates to a 40.5 kV's high tension switchgear field, in particular to direct interlock three-phase circuit breaker's of C type spring mechanism structure.
Background
The spring operating mechanism is single output, and when the spring operating mechanism is connected with a three-phase circuit breaker, an intermediate rotating shaft needs to be transited to be changed into three-phase output, and then the spring operating mechanism is connected with the three-phase circuit breaker, so that the structure occupies a large space, the transmission efficiency is low, the parameter performance of the circuit breaker is fluctuated by a large plate, and the stability is poor. Therefore, it is necessary to provide a structure of a C-type spring mechanism directly linking a three-phase circuit breaker to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a structure of the direct interlock three-phase circuit breaker of C type spring mechanism to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a structure of a C-shaped spring mechanism directly linked with a three-phase circuit breaker comprises a rack and a three-phase output, wherein the three-phase output is arranged in an inner cavity of the rack, the end part of the three-phase output extends to one side of the outer wall of the rack and is connected with the circuit breaker, a rotating shaft is rotatably arranged at the top of the inner cavity of the rack, and one end of the three-phase output, which is arranged in the inner cavity of the rack, is fixedly sleeved on the rotating;
the three-phase output is composed of three groups of transmission parts, each group of transmission parts is composed of a connecting plate, a first transmission connecting lever, a support plate and a connector, one end of the connecting plate is fixedly sleeved on the rotating shaft, one end of the first transmission connecting lever is rotatably connected with the other end of the connecting plate, the other end of the first transmission connecting lever is rotatably connected with one end of the connector, one end of the connector is connected to the circuit breaker, the support plate is fixedly arranged on one side wall of the rack, and the middle part of the first transmission connecting lever is rotatably arranged on the support plate through a fulcrum a;
in addition, a closing unit and an opening unit which are connected with the rotating shaft are also arranged in the inner cavity of the rack.
Preferably, the closing unit comprises a cam and an energy storage spring, a rotating rod penetrates through the axis of the cam and is rotatably arranged in the rack through a supporting plate, the other end of the rotating rod is fixedly connected with the bottom of the energy storage spring, and the top of the energy storage spring is fixedly connected with the top of an inner cavity of the rack.
Preferably, the top of cam is provided with the turning arm, and the turning arm passes through fulcrum b and rotates and set up on the lateral wall of frame, the turning arm is kept away from the one end of fulcrum b and is rotated and be provided with the transfer line, the transfer line is kept away from the one end of turning arm and is rotated and be provided with the third transmission turning arm, and the third transmission turning arm is fixed to be cup jointed in the pivot.
Preferably, the middle part of the side surface of the crank arm is rotatably provided with a roller, and the shortest distance from the roller to the cam is less than the length of the cam.
Preferably, the separating brake unit includes that the combined floodgate keeps sincere son and separating brake spring, the middle part that the combined floodgate kept sincere son rotates through fulcrum c and sets up on the lateral wall of frame, the one end that the combined floodgate kept sincere son rotates and is provided with the second transmission turning arm, and the second transmission turning arm cup joints in the pivot, and the combined floodgate keeps the other end laminating of sincere son to be provided with the separating brake semi-axis, and the separating brake semi-axis runs through the lateral wall of frame, in addition the top of separating brake spring is installed in the pivot, and the bottom of separating brake spring is installed on the lateral wall of frame.
The utility model discloses a technological effect and advantage:
this mechanism changes output structure, has increased the transmission part that even board, first transmission connecting lever, mounting panel and connector constitute on original basis, constitutes three synchronous interface at mechanism output position, can be connected with the circuit breaker three-phase, makes transmission efficiency and stability promote greatly, converts the synchronous output of three-phase into in mechanism inside, can direct interlock circuit breaker, no longer increases transition transmission between mechanism and circuit breaker, has reduced the space.
Drawings
Fig. 1 is the overall side view and sectional structure of the present invention.
Fig. 2 is a schematic view of the whole internal view front structure of the present invention.
In the figure: 1. a frame; 2. outputting three phases; 3. a circuit breaker; 4. a rotating shaft; 5. a transmission member; 51. connecting plates; 52. a first transmission crank arm; 53. a mounting plate; 54. a connector; 6. a closing unit; 61. a cam; 62. an energy storage spring; 63. a rotating rod; 7. a brake separating unit; 71. closing the brake; 72. a brake separating spring; 73. a second transmission crank arm; 74. a brake-separating half shaft; 8. a crank arm; 81. a roller; 9. a transmission rod; 10. and a third transmission crank arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a structure of a C-shaped spring mechanism direct linkage three-phase circuit breaker as shown in figures 1 to 2, which comprises a frame 1 and a three-phase output 2, wherein the three-phase output 2 is arranged in an inner cavity of the frame 1, one side of the end part of the three-phase output 2 extending to the outer wall of the frame 1 is connected with a circuit breaker 3, the top part of the inner cavity of the frame 1 is rotatably provided with a rotating shaft 4, and one end of the three-phase output 2 arranged in the inner cavity of the frame 1 is fixedly sleeved on the rotating shaft 4;
the three-phase output 2 is composed of three groups of transmission parts 5, each group of transmission parts 5 is composed of a connecting plate 51, a first transmission crank arm 52, a support plate 53 and a connector 54, one end of the connecting plate 51 is fixedly sleeved on the rotating shaft 4, one end of the first transmission crank arm 52 is rotatably connected with the other end of the connecting plate 51, the other end of the first transmission crank arm 52 is rotatably connected with one end of the connector 54, one end of the connector 54 is connected to the circuit breaker 3, the support plate 53 is fixedly arranged on one side wall of the frame 1, and the middle part of the first transmission crank arm 52 is rotatably arranged on the support plate 53 through a fulcrum a;
in addition, a closing unit 6 and an opening unit 7 which are connected with the rotating shaft 4 are also arranged in the inner cavity of the frame 1; further, the closing unit 6 comprises a cam 61 and an energy storage spring 62, a rotating rod 63 penetrates through the axis of the cam 61, the rotating rod 63 is rotatably arranged in the rack 1 through a supporting plate, the other end of the rotating rod 63 is fixedly connected with the bottom of the energy storage spring 62, and the top of the energy storage spring 62 is fixedly connected with the top of the inner cavity of the rack 1; meanwhile, the opening unit 7 comprises a closing keeping engine 71 and an opening spring 72, the middle of the closing keeping engine 71 is rotatably arranged on the side wall of the rack 1 through a fulcrum c, one end of the closing keeping engine 71 is rotatably provided with a second transmission crank arm 73, the second transmission crank arm 73 is sleeved on the rotating shaft 4, the other end of the closing keeping engine 71 is attached with an opening half shaft 74, the opening half shaft 74 penetrates through the side wall of the rack 1, in addition, the top end of the opening spring 72 is installed on the rotating shaft 4, and the bottom end of the opening spring 72 is installed on the side wall of the rack 1.
A crank arm 8 is arranged at the top end of the cam 61, the crank arm 8 is rotatably arranged on the side wall of the rack 1 through a fulcrum b, a transmission rod 9 is rotatably arranged at one end of the crank arm 8 far away from the fulcrum b, a third transmission crank arm 10 is rotatably arranged at one end of the transmission rod 9 far away from the crank arm 8, and the third transmission crank arm 10 is fixedly sleeved on the rotating shaft 4; the middle part of the side surface of the crank arm 8 is rotatably provided with a roller 81, and the shortest distance from the roller 81 to the cam 61 is less than the length of the cam 61.
This practical theory of operation:
a switching-on process: the energy storage spring 62 stores energy and releases energy in advance, the rotating rod 63 drives the cam 61 to rotate clockwise and impact the roller 81 to enable the crank arm 8 to rotate upwards, the transmission rod 9 drives the rotating shaft 4 to rotate clockwise, the connector 54 on the transmission part 5 moves rightwards to complete the closing of the circuit breaker 3, and meanwhile the opening spring 72 extrudes along with the rotating shaft 4 clockwise to store energy;
the brake opening process: the opening half shaft 74 is tripped, the closing holding pawl 71 acting on the opening half shaft 74 is opened, the rotating shaft 4 rotates anticlockwise under the action of the opening spring 72, and the connecting head 54 on the transmission part 5 moves leftwards, so that the opening of the circuit breaker 3 is completed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a structure of direct interlock three-phase circuit breaker of C type spring mechanism, includes frame (1) and three-phase output (2), three-phase output (2) set up in the inner chamber of frame (1), and the outer wall one side that the tip of three-phase output (2) extended to frame (1) is connected with circuit breaker (3), its characterized in that: a rotating shaft (4) is rotatably arranged at the top of the inner cavity of the rack (1), and one end of the three-phase output (2) arranged in the inner cavity of the rack (1) is fixedly sleeved on the rotating shaft (4);
the three-phase output (2) is composed of three groups of transmission parts (5), each group of transmission parts (5) is composed of a connecting plate (51), a first transmission crank arm (52), a support plate (53) and a connector (54), one end of the connecting plate (51) is fixedly sleeved on the rotating shaft (4), one end of the first transmission crank arm (52) is rotatably connected with the other end of the connecting plate (51), in addition, the other end of the first transmission crank arm (52) is rotatably connected with one end of the connector (54), one end of the connector (54) is connected onto the circuit breaker (3), the support plate (53) is fixedly installed on one side wall of the rack (1), and the middle part of the first transmission crank arm (52) is rotatably arranged on the support plate (53) through a fulcrum a;
in addition, a closing unit (6) and an opening unit (7) which are connected with the rotating shaft (4) are also arranged in the inner cavity of the rack (1).
2. The structure of a C-spring direct link three-phase circuit breaker according to claim 1, characterized in that: closing unit (6) include cam (61) and energy storage spring (62), the axle center department of cam (61) runs through and is provided with bull stick (63), and bull stick (63) rotate through the backup pad and set up in frame (1), and the other end of bull stick (63) and the bottom fixed connection of energy storage spring (62), the top of energy storage spring (62) and the inner chamber top fixed connection of frame (1).
3. The structure of a C-spring direct link three-phase circuit breaker according to claim 2, characterized in that: the top of cam (61) is provided with crank arm (8), and crank arm (8) rotate through fulcrum b and set up on the lateral wall of frame (1), the one end that fulcrum b was kept away from in crank arm (8) rotates and is provided with transfer line (9), the one end that crank arm (8) were kept away from in transfer line (9) rotates and is provided with third transmission crank arm (10), and third transmission crank arm (10) are fixed to be cup jointed on pivot (4).
4. The structure of a C-spring direct link three-phase circuit breaker according to claim 3, characterized in that: the middle part of the side surface of the crank arm (8) is rotatably provided with a roller (81), and the shortest distance from the roller (81) to the cam (61) is less than the length of the cam (61).
5. The structure of a C-spring direct link three-phase circuit breaker according to claim 1, characterized in that: the separating brake unit (7) comprises a closing keeping engine (71) and a separating brake spring (72), the middle of the closing keeping engine (71) is rotatably arranged on the side wall of the rack (1) through a fulcrum c, one end of the closing keeping engine (71) is rotatably provided with a second transmission crank arm (73), the second transmission crank arm (73) is sleeved on the rotating shaft (4), the other end of the closing keeping engine (71) is provided with a separating brake half shaft (74) in a fit manner, the separating brake half shaft (74) penetrates through the side wall of the rack (1), in addition, the top end of the separating brake spring (72) is installed on the rotating shaft (4), and the bottom end of the separating brake spring (72) is installed on the side wall of the rack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818397.XU CN210628209U (en) | 2019-10-28 | 2019-10-28 | Structure of C-shaped spring mechanism directly linking three-phase circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818397.XU CN210628209U (en) | 2019-10-28 | 2019-10-28 | Structure of C-shaped spring mechanism directly linking three-phase circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628209U true CN210628209U (en) | 2020-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818397.XU Active CN210628209U (en) | 2019-10-28 | 2019-10-28 | Structure of C-shaped spring mechanism directly linking three-phase circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628209U (en) |
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2019
- 2019-10-28 CN CN201921818397.XU patent/CN210628209U/en active Active
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