CN115662850B - A 10KV indoor circuit breaker - Google Patents
A 10KV indoor circuit breakerInfo
- Publication number
- CN115662850B CN115662850B CN202211388429.3A CN202211388429A CN115662850B CN 115662850 B CN115662850 B CN 115662850B CN 202211388429 A CN202211388429 A CN 202211388429A CN 115662850 B CN115662850 B CN 115662850B
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- CN
- China
- Prior art keywords
- block
- rod
- circuit breaker
- push
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Switch Cases, Indication, And Locking (AREA)
- Trip Switchboards (AREA)
Abstract
The invention discloses a 10KV indoor circuit breaker, which is characterized in that a sliding circuit breaker is arranged in a switch cabinet provided with a terminal block, a crosspiece is arranged at the bottom of the circuit breaker, a screw is arranged on the crosspiece, the screw is driven to rotate by combining with the rotation of a handle to enable the circuit breaker to advance and retreat on the screw, a moving block moving to the end of the screw is quickly separated from a screw sleeve by a separating component, the circuit breaker is pulled by a resetting component to be quickly reset, a plug connector on the circuit breaker is separated from a bus contact and an outgoing line contact, a fault circuit can be quickly cut off under an emergency, the expansion of accidents is prevented, and the safe operation is ensured. Meanwhile, the reset connecting assembly is arranged, so that the moving block and the threaded sleeve can be reconnected with the moving block in a mode of returning the threaded sleeve by rotating the threaded rod after the moving block and the threaded sleeve are separated, and the threaded rod can be rotated again to push the circuit breaker to move forwards.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a 10KV indoor circuit breaker.
Background
The breaker is a breaking device for cutting off a fault circuit, preventing an accident from expanding and ensuring the safe operation of the circuit, the existing 10KV indoor breaking device is generally used in a handcart room of a switch cabinet to communicate the circuit by placing the breaker in the handcart room and pushing a plug on the breaker to be plugged with a bus contact and an outgoing line contact, and the plug of the breaker is slowly plugged with the bus contact and the outgoing line contact due to a hand-operated pushing mode when the plug of the breaker is plugged with the bus contact and the outgoing line contact, so that the quick disconnection cannot be realized.
Disclosure of Invention
The invention provides a10 KV indoor circuit breaker, and aims to solve the problems of the 10KV indoor circuit breaker.
The invention provides a 10KV indoor circuit breaker which comprises a circuit breaker, a crosspiece, a screw rod, a reset component, a separation component and a reset connecting component, wherein rollers are arranged on two sides of the circuit breaker, the crosspiece is arranged on one side of the circuit breaker, the screw rod is rotationally arranged on the crosspiece, a moving block is fixedly arranged on the lower end face of the circuit breaker, a threaded sleeve is detachably arranged on the moving block and is in threaded connection with the screw rod, an elastic push rod is slidingly arranged in the screw rod, the reset component and the reset connecting component are connected to the crosspiece, the circuit breaker is rotationally driven to move on the screw rod until the threaded sleeve is abutted with the separation component, and the elastic push rod is pressed to enable the conical push block at the end part of the elastic push rod to push the separation component to enable the threaded sleeve to be separated from the moving block, so that the circuit breaker returns under the action of the reset component.
Further, the movable block is detachably connected with the screw sleeve through an elastic connecting component. The elastic connection assembly comprises a first elastic connection assembly and a second elastic connection assembly, the first elastic connection assembly comprises a first lock rod and a first spring, the first lock rod and the first spring are slidably arranged at one end of the moving block, the first spring is sleeved on the first lock rod and connected with the moving block, and a first round pushing block is arranged at the end part of the first lock rod. The second elastic connecting component comprises a second lock rod and a second spring, wherein the second lock rod and the second spring are arranged at the other end of the moving block, the second spring is sleeved on the second lock rod and connected with the moving block, a second round pushing block is arranged at the end part of the second lock rod, and an inclined tangent plane is arranged at the end part of the second lock rod.
Further, the reset assembly comprises a first limiting rod, reset springs and a sliding block, wherein the first limiting rod is arranged on two sides of the crosspiece, the sliding block is fixedly connected to the bottom surface of the circuit breaker, the sliding block is sleeved on the first limiting rod in a sliding mode, the reset springs are arranged on the first limiting rod, two ends of the reset springs are respectively connected with the crosspiece and the sliding block, the end portion of the first limiting rod is connected with a transverse plate, and the separation assembly is arranged on the transverse plate.
The separation assembly comprises an H-shaped rod, a square push block, a second limiting rod and a third spring, wherein the H-shaped rod, the square push block, the second limiting rod and the third spring are arranged on the transverse plate in a sliding mode, the square push block is connected with the second limiting rod in a sliding mode, the first wedge-shaped block is arranged at the end portion of the square push block and is abutted to the conical push block, the H-shaped rod is inserted into the first elastic connection assembly and the second elastic connection assembly, the elastic push rod can push the conical push block to push the first wedge-shaped block to drive the square push block to move through pressing, and the H-shaped rod can push the first round push block and the second round push block to unlock the threaded sleeve.
Further, the reset connecting assembly comprises a stop block and a second wedge block, the stop block is connected to the crosspiece through a connecting rod, the second wedge block is arranged on the stop block, and the first round push block is connected with the second wedge block to enable the end portion of the first lock rod to be contained in the moving block. The screw sleeve is sleeved on the third limiting rod in a sliding mode.
Further, be equipped with the rotary groove that is used for rotating the screw rod on the crosspiece, the tip protrusion of screw rod is equipped with square piece, and square piece is located the rotary groove. The handle is provided with a push rod in a pressing mode, the end portion of the elastic push rod is located in the square block, and the handle is inserted into the rotary groove to enable the push rod to be opposite to the elastic push rod.
Compared with the prior art, the method has the following beneficial effects:
The application provides a 10KV indoor circuit breaker, which is characterized in that a crosspiece is arranged at the bottom of a circuit breaker, a screw is arranged on the crosspiece, the screw is driven to rotate by combining the rotation of a handle, so that the circuit breaker moves forwards and backwards on the screw, a moving block moving to the end part of the screw is quickly separated from a screw sleeve by a separating component, the circuit breaker is quickly reset by pulling a resetting component, a plug connector on the circuit breaker is separated from a bus contact and an outgoing line contact, a fault circuit can be quickly cut off under the emergency condition, the accident is prevented from being enlarged, and the safe operation is ensured. Meanwhile, the reset connecting assembly is arranged, so that the moving block and the threaded sleeve can be reconnected with the moving block in a mode of returning the threaded sleeve by rotating the threaded rod after the moving block and the threaded sleeve are separated, and the threaded rod can be rotated again to push the circuit breaker to move forwards.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only preferred embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the bottom of a 10KV indoor circuit breaker of the application;
FIG. 2 is an enlarged schematic view of part A of the present application;
FIG. 3 is an enlarged schematic representation of a portion B of the present application;
FIG. 4 is a schematic diagram of a 10KV indoor circuit breaker device according to the present application;
FIG. 5 is an enlarged schematic representation of a portion C of the present application;
FIG. 6 is a schematic diagram of a separation assembly of the present application;
FIG. 7 is a schematic diagram of a reset connection assembly according to the present application.
The reference numerals comprise a 1-circuit breaker, a 2-crosspiece, a 3-screw rod, a 4-moving block, a 5-screw sleeve, a 6-elastic push rod, a 7-conical push block, an 8-rotating groove, a 9-square block, a 10-third limit rod, a 11-switch cabinet, a 12-guide rail, a 21-first lock rod, a 22-first spring, a 23-first round push block, a 31-second lock rod, a 32-second spring, a 33-second round push block, a 41-first limit rod, a 42-return spring, a 43-slide block, a 44-transverse plate, a 51-H-shaped rod, a 52-square push block, a 54-second limit rod, a 55-third spring, a 56-first wedge block, a 61-stop block and a 62-second wedge block.
Detailed Description
For a better understanding of the present invention, its construction, and the functional features and advantages attained by the same, reference should be made to the accompanying drawings in which:
example 1:
As shown in fig. 1 to 7, the invention provides a 10KV indoor circuit breaker, which comprises a circuit breaker 1, a crosspiece 2, a screw rod 3, a reset component, a separation component and a reset connection component, wherein rollers are arranged on two sides of the circuit breaker, the crosspiece 2 is arranged on one side of the bottom of the circuit breaker 1, the screw rod 3 is rotatably arranged on the crosspiece 2 through a bearing, a moving block 4 is fixedly arranged on the lower end face of the circuit breaker 1, a threaded sleeve 5 is detachably arranged on the moving block 4, the threaded sleeve 5 is in threaded connection with the screw rod 3, an elastic push rod 6 is arranged in the screw rod 3 in a sliding manner, and the reset component and the reset connection component are connected to the crosspiece 2. The screw 3 rotates to drive the circuit breaker 1 to move on the screw 3 until the threaded sleeve 5 abuts against the separation assembly, the elastic push rod 6 is pressed to enable the conical push block 7 at the end part of the elastic push rod 6 to push the separation assembly to enable the threaded sleeve 5 to be separated from the moving block 4, and therefore the circuit breaker 1 returns under the action of the reset assembly.
Specifically, the moving block 4 is detachably connected with the screw sleeve 5 through an elastic connection assembly. The elastic connection assembly comprises a first elastic connection assembly and a second elastic connection assembly, the first elastic connection assembly comprises a first lock rod 21 and a first spring 22 which are slidably arranged at one end on the moving block 4, the first spring 22 is sleeved on the first lock rod 21 and connected with the moving block 4, and a first round push block 23 is arranged at the end part of the first lock rod 21. The second elastic connection assembly comprises a second lock rod 31 and a second spring 32 which are arranged at the other end of the moving block 4, the second spring 32 is sleeved on the second lock rod 31 and connected with the moving block 4, a second round push block 33 is arranged at the end part of the second lock rod 31, and an inclined tangential plane is arranged at the end part of the second lock rod 31.
Example 2:
As shown in fig. 1 to 7, in combination with the technical solution of embodiment 1, in this embodiment, the reset assembly includes a first limit lever 41, a reset spring 42 and a slider 43, where the first limit lever 41 is disposed on two sides of the crosspiece 2, the slider 43 is fixedly connected to the bottom surface of the circuit breaker 1, the slider 43 is slidably sleeved on the first limit lever 41, the reset spring 42 is disposed on the first limit lever 41, two ends of the reset spring 42 are respectively connected with the crosspiece 2 and the slider 43, and when the separation assembly pushes the first round push block 23 and the second round push block 33 to separate the moving block 4 from the threaded sleeve 5, the reset spring 42 pulls the slider 43 at the bottom of the circuit breaker 1 to shrink, so as to make the circuit breaker 1 quickly return. Further, a buffer damping is arranged on the sliding block 43 to prevent the rebound of the breaker 1, and in addition, an elastic locking mechanism can be arranged to lock the return sliding block 43. Specifically, the elastic locking mechanism may be a magnetic attraction lock which is electrified and extends, when the reset spring 42 drives the circuit breaker 1 to return, the sliding block 43 is inserted with the inserted rod on the magnetic attraction lock, the inserted rod is in a one-way inclined plane manner, so that the sliding block is automatically inserted, when the sliding block 43 is required to be separated from the magnetic attraction lock, the iron rod wound with the wire is magnetized in an electrified manner, so that the permanent magnet connected with the inserted rod is attracted to perform shrinkage motion to separate from the sliding block 43. The end of the first limiting rod 41 is connected with a transverse plate 44, and the separation assembly is arranged on the transverse plate 44.
Specifically, the separation assembly includes an "H" shaped rod 51 slidably disposed on the transverse plate 44, a square push block 52, a second stop lever 54, and a third spring 55, where the square push block 52 is connected with the "H" shaped rod 51, and the transverse plate 44 is provided with a bar-shaped stop slot, and the "H" shaped rod 51 is slidably disposed in the bar-shaped stop slot. The second limiting rod 54 is fixedly arranged on the transverse plate 44, the third spring 55 is sleeved on the second limiting rod 54, the second limiting rod 54 is in sliding connection with the square push block 52, a first wedge-shaped block 56 is arranged at the end part of the square push block 52, and the first wedge-shaped block 56 is abutted with the conical push block 7. The H-shaped rod 51 is inserted into the first elastic connecting component and the second elastic connecting component, so that the elastic push rod 6 can push the conical push block 7 to extend out of the end part of the screw rod 3 through pressing, the first wedge-shaped block 56 drives the square push block 52 to move towards two ends, the H-shaped rod 51 drives the first round push block 23 and the second round push block 33 to drive the first lock rod 21 and the second lock rod 31 to be separated from the threaded sleeve 5, unlocking of the threaded sleeve 5 and the moving block 4 is achieved, and at the moment, under the energy storage effect of the resetting component, the circuit breaker 1 is quickly returned to the crosspiece 2 on the moving guide rail 12 in the handcart room of the switch cabinet 11 through the roller. The crosspiece 2 is located the one end of moving track, closes the handcart room door after, can limit crosspiece 2 between moving track front end and cabinet door to insert the rotating member through the round hole on the handcart room door and be connected with screw rod 3. Further, the elastic force of the elastic push rod 6 is realized by virtue of two third springs 55, and meanwhile, in order to improve the elastic force, the elastic push rod 6 can be sleeved with a spring in the screw 3.
Specifically, the reset connection assembly comprises a stop block 61 and a second wedge block 62, wherein the stop block 61 is connected to the crosspiece 2 through a connecting rod, the second wedge block 62 is arranged on the stop block 61, the first round push block 23 is connected with the second wedge block 62 to enable the end part of the first lock rod 21 to be contained into the moving block 4, when the screw rod 3 rotates to rotate the screw sleeve 5 back, the screw sleeve 5 enables the jack plugged with the first lock rod 21 to pass smoothly through an inclined tangent plane on the second lock rod 31 until the jack plugged with the second lock rod 31 is plugged with the second lock rod 31, and at the moment, the screw rod 3 is rotated to push the screw sleeve 5 in advance to enable the first round push block 23 to be gradually separated from the second wedge block 62 so as to enable the first lock rod 21 to gradually enter the jack, so that connection of the screw sleeve 5 and the moving block 4 is completed. The screw sleeve 5 is sleeved on the third limiting rod 10 in a sliding way, so that the screw sleeve 5 separated from the moving block 4 can move linearly under the rotation of the screw 3 without rotating along with the screw 3 by arranging the third limiting rod 10.
Example 3:
As shown in fig. 5, in the embodiment 2, a rotating groove 8 for rotating the screw 3 is formed in the crosspiece 2, a square block 9 is protruding from the end of the screw 3, and the square block 9 is located in the rotating groove 8. The circuit breaker also comprises a handle (not shown), wherein the handle is provided with an ejector rod in a pressing manner, the end part of the elastic push rod 6 is positioned in the square block 9, the handle is inserted into the rotary groove 8 to enable the ejector rod to be opposite to the elastic push rod 6, and when the circuit breaker 1 needs to be quickly reset to enable the plug connector to be separated from the bus contact and the outgoing contact, the ejector rod is pressed to push the elastic push rod 6 to drive the conical push block 7 to move.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.
Claims (9)
1. The 10KV indoor circuit breaker is characterized by comprising a circuit breaker (1) with rollers on two sides, a crosspiece (2), a screw (3), a reset component, a separation component and a reset connecting component, wherein the crosspiece (2) is arranged on one side of the circuit breaker (1), the screw (3) is rotatably arranged on the crosspiece (2), a moving block (4) is fixedly arranged on the lower end face of the circuit breaker (1), a threaded sleeve (5) is detachably arranged on the moving block (4), the threaded sleeve (5) is in threaded connection with the screw (3), an elastic push rod (6) is slidably arranged in the screw (3), the reset component and the reset connecting component are connected to the crosspiece (2), the screw (3) is rotatably driven to move the circuit breaker (1) on the screw (3) until the threaded sleeve (5) is abutted with the separation component, and a conical push block (7) at the end of the elastic push rod (6) pushes the separation component to separate the threaded sleeve (5) from the moving block (4), so that the reset component is reset under the reset action of the circuit breaker (1);
The reset assembly comprises a first limiting rod (41), a reset spring (42) and a sliding block (43), wherein the first limiting rod (41) is arranged on two sides of the crosspiece (2), the sliding block (43) is fixedly connected to the bottom surface of the circuit breaker (1), the sliding block (43) is sleeved on the first limiting rod (41) in a sliding mode, the reset spring (42) is arranged on the first limiting rod (41), two ends of the reset spring (42) are respectively connected with the crosspiece (2) and the sliding block (43), a transverse plate (44) is connected to the end portion of the first limiting rod (41), and the separation assembly is arranged on the transverse plate (44);
The separating assembly comprises an H-shaped rod (51), a square pushing block (52), a second limiting rod (54) and a third spring (55), wherein the H-shaped rod (51) is slidably arranged on the transverse plate (44), the square pushing block (52) is connected with the H-shaped rod (51), the second limiting rod (54) is arranged on the transverse plate (44), the third spring (55) is sleeved on the second limiting rod (54), the second limiting rod (54) is slidably connected with the square pushing block (52), a first wedge-shaped block (56) is arranged at the end part of the square pushing block (52), and the first wedge-shaped block (56) is in butt joint with the conical pushing block (7);
The reset connection assembly comprises a stop block (61) and a second wedge block (62), the stop block (61) is connected to the crosspiece (2) through a connecting rod, and the second wedge block (62) is arranged on the stop block (61).
2. The 10KV indoor circuit breaker as set forth in claim 1, characterized in that the moving block (4) is detachably connected to the screw sleeve (5) through an elastic connection assembly.
3. The 10KV indoor circuit breaking device according to claim 2, wherein the elastic connection assembly comprises a first elastic connection assembly and a second elastic connection assembly, the first elastic connection assembly comprises a first lock rod (21) and a first spring (22), the first lock rod (21) is slidably arranged at one end of the moving block (4), the first spring (22) is sleeved on the first lock rod (21) and is connected with the moving block (4), and a first round pushing block (23) is arranged at the end of the first lock rod (21).
4. The 10KV indoor circuit breaking device according to claim 3, wherein the second elastic connection assembly comprises a second lock rod (31) and a second spring (32) which are arranged at the other end of the moving block (4), the second spring (32) is sleeved on the second lock rod (31) and connected with the moving block (4), a second round pushing block (33) is arranged at the end of the second lock rod (31), and an inclined tangent plane is arranged at the end of the second lock rod (31).
5. The 10KV indoor circuit breaking device according to claim 4, wherein the H-shaped rod (51) is inserted into the first elastic connection assembly and the second elastic connection assembly, so that the elastic push rod (6) can push the conical push block (7) to push the first wedge block (56) to drive the square push block (52) to move through pressing, and the H-shaped rod (51) can push the first round push block (23) and the second round push block (33) to unlock the screw sleeve (5).
6. The 10KV indoor circuit breaker according to claim 5, characterized in that the first round push block (23) and the second wedge block (62) are connected to each other to receive the end of the first lock lever (21) into the moving block (4).
7. The 10KV indoor circuit breaker as set forth in claim 6, further comprising a third limit lever (10), the third limit lever (10) being connected to the cross plate (44) and the stopper (61), the swivel nut (5) being slidably sleeved on the third limit lever (10).
8. The 10KV indoor circuit breaking device according to claim 1, wherein a rotary groove (8) for rotating the screw rod (3) is formed in the crosspiece (2), a square block (9) is arranged on the end portion of the screw rod (3) in a protruding mode, and the square block (9) is located in the rotary groove (8).
9. The 10KV indoor circuit breaker according to claim 8, further comprising a handle, wherein the handle is provided with a push rod by pressing, the end of the elastic push rod (6) is located in the square block (9), and the handle is inserted into the rotary groove (8) to make the push rod face the elastic push rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388429.3A CN115662850B (en) | 2022-11-08 | 2022-11-08 | A 10KV indoor circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211388429.3A CN115662850B (en) | 2022-11-08 | 2022-11-08 | A 10KV indoor circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115662850A CN115662850A (en) | 2023-01-31 |
| CN115662850B true CN115662850B (en) | 2025-07-29 |
Family
ID=85016826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211388429.3A Active CN115662850B (en) | 2022-11-08 | 2022-11-08 | A 10KV indoor circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115662850B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937799A (en) * | 2009-06-25 | 2011-01-05 | Ls产电株式会社 | Device for preventing withdrawing and inserting of a circuit breaker |
| CN106981402A (en) * | 2016-01-15 | 2017-07-25 | Ls 产电株式会社 | Pulling off device for air-break |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412191B (en) * | 2020-11-19 | 2021-07-06 | 郑州祥和集团电气设备有限公司 | Direct-pushing unlocking type locking mechanism applied to intelligent integrated feeder cabinet and feeder cabinet thereof |
-
2022
- 2022-11-08 CN CN202211388429.3A patent/CN115662850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101937799A (en) * | 2009-06-25 | 2011-01-05 | Ls产电株式会社 | Device for preventing withdrawing and inserting of a circuit breaker |
| CN106981402A (en) * | 2016-01-15 | 2017-07-25 | Ls 产电株式会社 | Pulling off device for air-break |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115662850A (en) | 2023-01-31 |
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