CN217768157U - Breaker closing position interlocking structure - Google Patents
Breaker closing position interlocking structure Download PDFInfo
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- CN217768157U CN217768157U CN202220737405.3U CN202220737405U CN217768157U CN 217768157 U CN217768157 U CN 217768157U CN 202220737405 U CN202220737405 U CN 202220737405U CN 217768157 U CN217768157 U CN 217768157U
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- chassis
- circuit breaker
- stop lever
- main shaft
- turning plate
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Abstract
The utility model provides a circuit breaker closing position interlocking structure which characterized in that: the circuit breaker comprises a chassis (1) and a circuit breaker body (2) arranged on the chassis (1), wherein a switching-on interlocking mechanism is arranged between a main shaft (301) of a circuit breaker mechanism (3) and the chassis (1); the switch-on interlocking device adopts a two-link mechanism, the structure of the switch-on interlocking device of the circuit breaker is simplified, and the switch-on interlocking device is arranged between a main shaft of the circuit breaker mechanism and the chassis, so that the stability and the reliability of switch-on are improved, and the purpose that the chassis cannot swing out when the circuit breaker is in a switch-on position state is realized.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, specifically say so and relate to a circuit breaker switching on position interlocking structure, can avoid the circuit breaker inefficacy to produce the mistake separating brake, improved the safety in utilization of circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are classified into high-voltage, medium-voltage and low-voltage circuit breakers according to their use ranges, and the medium-voltage and low-voltage boundary lines are relatively vague, and are generally called low-voltage appliances of 3kV or less. The circuit breakers are classified according to installation methods, and are classified into a drawer type, a handcart type and a fixed type. Compared with a fixed circuit breaker, the handcart type circuit breaker only has one more chassis and one more contact, the handcart type circuit breaker can be pushed in, and the handcart type circuit breaker has good interchangeability, so that the maintainability of power supply can be greatly improved.
The handcart type circuit breaker is widely applied to medium and high voltage switch cabinets due to compact structure and small volume, and generally comprises a circuit breaker main body and a chassis vehicle, wherein the chassis vehicle can drive the circuit breaker main body to move so as to conveniently control the circuit breaker main body to switch between a test position and a working position; in the existing mechanical interlocking mechanism of the handcart type circuit breaker, the components are generally arranged on the handcart through respective frame bodies. The frame body is welded on the handcart, so that the welding process is complex and the cost is high; the interlocking mechanism has the disadvantages of more parts, complex and tedious processing, assembly and maintenance of the parts, more transmission parts, easy occurrence of clamping stagnation in the use process, unreliable interlocking and potential safety hazard brought to the operation of a power grid.
The chinese patent zl201521075679.7 discloses a switching-on interlocking device of a breaker handcart, which is connected between a breaker tripping device and the breaker handcart; the switching-on interlocking device comprises a multi-link mechanism, and the multi-link mechanism acts between a circuit breaker handcart and a switching-on/switching-off transmission rod of a circuit breaker; when the circuit breaker tripping device is in a switching-on state, the switching-on/off transmission rod cannot enable the multi-link mechanism to move, so that the switching-on interlocking device limits the movement of the circuit breaker handcart, and the circuit breaker handcart cannot move; when the circuit breaker tripping device executes a switching-off instruction and is in a switching-off state, the switching-on/switching-off transmission rod enables the multi-link mechanism to move, so that the switching-on interlocking device cannot limit the movement of the circuit breaker handcart, and the circuit breaker handcart can move. According to the technical scheme, the circuit breaker handcart can be conveniently and reliably moved under the switching-on condition and can be moved only after the switching-off instruction is executed. However, the closing interlocking device is a multi-link mechanism, and the structure is relatively complex; and the switching-on interlocking device is connected between the circuit breaker tripping device and the circuit breaker handcart, so that the clamping stagnation phenomenon is easy to occur, the reliability is lower, and the stability is not strong.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at be exactly complicated to above-mentioned current circuit breaker combined floodgate interlock structure, the not enough technical defect of reliability provides a circuit breaker combined floodgate position interlock structure, has simplified circuit breaker combined floodgate interlock's structure, has improved the stability and the reliability of combined floodgate simultaneously.
Technical scheme
In order to realize the technical purpose, the utility model provides a pair of circuit breaker switching-on position interlocking structure, its characterized in that: the circuit breaker comprises a chassis vehicle and a circuit breaker body arranged on the chassis vehicle, wherein a switching-on interlocking mechanism is arranged between a main shaft of a circuit breaker mechanism and the chassis vehicle;
the closing interlocking mechanism comprises a circuit breaker mechanism stop lever, one end of the circuit breaker mechanism stop lever is arranged on a main shaft of the circuit breaker mechanism and can synchronously rotate with the main shaft, the other end of the circuit breaker mechanism stop lever is linked with one end of a chassis stop lever, the other end of the chassis stop lever is arranged on a chassis turning plate, and the chassis turning plate can be driven to turn over in the process of turning over.
Furthermore, the circuit breaker mechanism stop lever and the main shaft can correspondingly lock or unlock one end of the chassis stop lever in the synchronous rotating process.
Furthermore, one end of the stop lever of the circuit breaker mechanism is fixedly arranged on the main shaft of the circuit breaker mechanism and can synchronously rotate with the main shaft.
Furthermore, the other end of the chassis vehicle stop lever is fixedly arranged on the chassis vehicle turning plate.
Further, the chassis vehicle turning plate can be driven to turn clockwise in the shaking process of the chassis vehicle.
Furthermore, the chassis turning plate is connected with a reset torsion spring, and the reset torsion spring can provide reset force for the chassis turning plate to turn anticlockwise.
Advantageous effects
The utility model provides a pair of circuit breaker switching-on position interlocking structure, combined floodgate interlock adopt two link mechanism, have simplified circuit breaker combined floodgate interlock's structure, and combined floodgate interlock sets up between the main shaft of circuit breaker mechanism and chassis car, has improved the stability and the reliability of combined floodgate to when realizing that the circuit breaker is in switching-on position state, the purpose that the chassis car can not shake out.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment of the present invention;
FIG. 2 is a schematic diagram of the embodiment of the present invention in a locked state where it cannot be swung out;
fig. 3 is a schematic diagram of the embodiment of the present invention in an unlocked and shakable out state;
fig. 4 is a schematic structural view of a chassis bumper bar in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circuit breaker body according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a circuit breaker mechanism stop lever according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the chassis truck according to the embodiment of the present invention;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inside", "outside", and the like are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Examples
As shown in fig. 1, a circuit breaker closing position interlocking structure comprises a chassis 1 shown in fig. 7, a circuit breaker body 2 shown in fig. 5 arranged on the chassis 1, and a closing interlocking mechanism arranged between a main shaft 301 of a circuit breaker mechanism 3 and the chassis 1;
switching-on interlocking device includes as shown in fig. 6 breaker mechanism pin 4, the one end dress of breaker mechanism pin 4 is in on the main shaft 301 of breaker mechanism 3 and can with main shaft 301 synchronous rotation, the other end of breaker mechanism pin 4 links with the one end of chassis car pin 5 as shown in fig. 4, the other end dress of chassis car pin 5 is on chassis car turns over board 6, in this embodiment, 4 one end of breaker mechanism pin is fixed dress in on the main shaft 301 of breaker mechanism 3 and can with main shaft 301 synchronous rotation. The other end of the chassis stop lever 5 is fixedly arranged on the chassis turning plate 6.
The chassis vehicle turning plate 6 can drive the chassis vehicle stop lever 5 to turn over in the turning process. The circuit breaker mechanism stop lever 4 and the main shaft 301 can correspondingly lock or unlock one end of the chassis stop lever 5 in the synchronous rotation process.
The working process of the embodiment is as follows: the chassis 1 can close a switch in the position of shaking into the bottom, the chassis 1 can drive in-process of shaking into the clockwise upset of chassis board 6, and during closing, the rotation of circuit breaker mechanism shelves pole 4 along with the main shaft 301 of circuit breaker mechanism 3 is overturn forward, and circuit breaker mechanism shelves pole 4 and chassis car shelves pole 5 change into spacing state from the separation status, and at this moment, circuit breaker mechanism shelves pole 4 is located the outside of chassis car shelves pole 5 thereby prevents chassis car shelves pole 5 outwards overturn, chassis car shelves pole 5 can not outwards overturn, then chassis car board 6 is restricted outwards to overturn and then pins chassis car pivot 7, and further chassis car pivot 7 can not rotate, then chassis 1 can not shake out as shown in figure 2. When a product is opened, the circuit breaker mechanism stop rod 4 rotates reversely along with the main shaft 301 of the circuit breaker mechanism 3 and turns backwards, the limit on the chassis stop rod 5 is removed, and then the chassis turning plate 6 turns over anticlockwise under the action of a reset torsion spring (not shown in the attached drawing) connected with the chassis turning plate 6 to remove the limit on the chassis 1, and the chassis 1 can be swung out as shown in the attached drawing 3.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a circuit breaker closing position interlocking structure which characterized in that: the circuit breaker comprises a chassis (1) and a circuit breaker body (2) arranged on the chassis (1), wherein a switching-on interlocking mechanism is arranged between a main shaft (301) of a circuit breaker mechanism (3) and the chassis (1);
the switching-on interlocking mechanism comprises a breaker mechanism stop lever (4), one end of the breaker mechanism stop lever (4) is arranged on a main shaft (301) of a breaker mechanism (3) and can synchronously rotate with the main shaft (301), the other end of the breaker mechanism stop lever (4) is linked with one end of a chassis stop lever (5), the other end of the chassis stop lever (5) is arranged on a chassis turning plate (6), and the chassis turning plate (6) can drive in the process of turning the chassis turning plate (6) to turn the chassis stop lever (5).
2. The circuit breaker on-position interlock structure according to claim 1, wherein: the circuit breaker mechanism stop lever (4) and the main shaft (301) can be synchronously rotated in the process to correspondingly lock or unlock one end of the chassis stop lever (5).
3. The circuit breaker on-position interlock structure according to claim 1, wherein: one end of the breaker mechanism stop lever (4) is fixedly arranged on the main shaft (301) of the breaker mechanism (3) and can synchronously rotate with the main shaft (301).
4. The circuit breaker on-position interlock structure according to claim 1, wherein: the other end of the chassis vehicle stop lever (5) is fixedly arranged on the chassis vehicle turning plate (6).
5. The circuit breaker on-position interlock structure according to claim 1, wherein: the chassis truck (1) can drive the chassis truck turning plate (6) to turn clockwise in the shaking-in process.
6. The circuit breaker closed position interlock structure of claim 1, wherein: the chassis vehicle turning plate (6) is connected with a reset torsion spring, and the reset torsion spring can provide reset force for anticlockwise turning of the chassis vehicle turning plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220737405.3U CN217768157U (en) | 2022-03-28 | 2022-03-28 | Breaker closing position interlocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220737405.3U CN217768157U (en) | 2022-03-28 | 2022-03-28 | Breaker closing position interlocking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217768157U true CN217768157U (en) | 2022-11-08 |
Family
ID=83882395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220737405.3U Active CN217768157U (en) | 2022-03-28 | 2022-03-28 | Breaker closing position interlocking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217768157U (en) |
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2022
- 2022-03-28 CN CN202220737405.3U patent/CN217768157U/en active Active
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