阅读说明：本技术 一种真空断路器触点操作机构 (Contact operating mechanism of vacuum circuit breaker ) 是由 关家华 郑楚韬 袁红波 林晓璇 凌忠标 王师 潘景志 陈君宇 陈镇 蔡艺海 苏钻 于 2021-10-26 设计创作，主要内容包括：本申请涉及真空断路器技术领域,特别涉及一种真空断路器触点操作机构,包括底座、断路器本体、导电凸起、导电触发块、第一电机和开关触发件；断路器本体和第一电机均安装于底座上；导电凸起固定安装于断路器本体上；导电触发块通过弹性伸缩杆与断路器本体连接；导电触发块远离导电凸起的一侧为斜面；开关触发件包括安装支架以及转动安装于安装支架上的滚轮；斜面上设有与滚轮相匹配的沟槽；底座和滚轮均由绝缘材料制成；第一电机与开关触发件连接,用于驱使滚轮沿沟槽运动,以推动导电触发块沿靠近导电凸起的方向运动,直至导电触发块与导电凸起导电接触。本申请有效地解决了现有断路器操作过程中存在触电风险的技术问题。(The application relates to the technical field of vacuum circuit breakers, in particular to a contact operating mechanism of a vacuum circuit breaker, which comprises a base, a circuit breaker body, a conductive protrusion, a conductive trigger block, a first motor and a switch trigger piece, wherein the conductive protrusion is arranged on the base; the circuit breaker body and the first motor are both arranged on the base; the conductive bulge is fixedly arranged on the circuit breaker body; the conductive trigger block is connected with the breaker body through an elastic telescopic rod; one side of the conductive trigger block, which is far away from the conductive bulge, is an inclined plane; the switch trigger piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket; the inclined plane is provided with a groove matched with the roller; the base and the roller are both made of insulating materials; the first motor is connected with the switch triggering part and used for driving the roller to move along the groove so as to push the conductive triggering block to move along the direction close to the conductive protrusion until the conductive triggering block is in conductive contact with the conductive protrusion. The technical problem that there is the risk of electrocuting among the current circuit breaker operation process has been solved effectively to this application.)

1. A contact operating mechanism of a vacuum circuit breaker is characterized by comprising a base, a circuit breaker body, a conductive bulge, a conductive trigger block, a first motor and a switch trigger piece;

the circuit breaker body and the first motor are both arranged on the base;

the conductive bulge is fixedly arranged on the circuit breaker body;

the conductive trigger block is connected with the circuit breaker body through an elastic telescopic rod;

one side of the conductive trigger block, which is far away from the conductive protrusion, is an inclined plane;

the switch trigger piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket;

the inclined surface is provided with a groove matched with the roller;

the base and the roller are both made of insulating materials;

the first motor is connected with the switch trigger piece and used for driving the roller to move along the groove so as to push the conductive trigger block to move along the direction close to the conductive protrusion until the conductive trigger block is in conductive contact with the conductive protrusion.

2. The vacuum interrupter contact operating mechanism of claim 1 further comprising a second motor and a moving riser;

the movable vertical plate is movably arranged on the base, and the first motor is arranged on the movable vertical plate;

the second motor is connected with the movable vertical plate and used for driving the movable vertical plate to move in the direction close to or far away from the breaker body.

3. The contact operating mechanism of the vacuum circuit breaker according to claim 2, wherein two sides of the base are provided with slide rails, and the two slide rails are arranged in parallel;

two ends of the movable vertical plate are respectively installed on the two slide rails in a sliding mode through guide blocks.

4. The contact operating mechanism of the vacuum circuit breaker according to claim 3, wherein the moving riser is provided with first threaded sleeves on both sides;

a first threaded rod is mounted in the first threaded sleeve through internal threads;

the second motor is connected with the first threaded rod through a gear set.

5. The vacuum circuit breaker contact operating mechanism of claim 4, wherein the moving riser has a mounting cup mounted thereon;

a first sliding block and a second threaded rod are arranged in the mounting cover;

the first motor is connected with the second threaded rod and used for driving the second threaded rod to rotate;

the first sliding block is sleeved on the second threaded rod in a threaded manner;

the switch trigger is connected with the first sliding block.

6. The contact operating mechanism of the vacuum circuit breaker according to claim 5, wherein a guide rod parallel to the second threaded rod is installed in the installation cover;

the first sliding block is movably sleeved on the guide rod.

7. The vacuum circuit breaker contact operating mechanism of claim 1 wherein the base has a fixed riser mounted thereon;

two breaker locking parts are arranged on the fixed vertical plate;

the circuit breaker body is arranged between the two circuit breaker locking pieces.

8. The contact operating mechanism of the vacuum circuit breaker according to claim 7, wherein the circuit breaker body is provided with clamping fitting blocks at both sides;

the opposite sides of the two circuit breaker locking parts are respectively provided with a movable clamping block and a fixed clamping block;

a third motor is arranged inside each breaker locking piece;

the third motor is connected with the movable clamping block and used for driving the movable clamping block to move along the direction close to or far away from the fixed clamping block, so that a clamping space matched with the clamping matching block is formed between the movable clamping block and the fixed clamping block.

9. The vacuum circuit breaker contact operating mechanism of claim 8 wherein a third threaded rod is connected to the third motor;

a second sliding block is movably arranged in the breaker locking piece, and the movable clamping block is connected with the second sliding block;

the second sliding block pass through the second threaded sleeve with third threaded rod threaded connection.

10. A vacuum interrupter contact operating mechanism according to any one of claims 1 to 9 wherein the flexible telescopic rod comprises a first rod and a second rod;

the second rod body is elastically and movably arranged in the first rod body through a spring.

Technical Field

The application relates to the technical field of vacuum circuit breakers, in particular to a contact operating mechanism of a vacuum 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 within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, and generally does not need to change parts after breaking fault current. The existing circuit breaker is provided with an insulated operating handle, but needs to be operated continuously manually, when the circuit voltage is overhigh, electric arcs can occur, and the danger of electric shock can occur in the operating process.

Disclosure of Invention

In view of this, the present application aims to provide a vacuum circuit breaker contact operating mechanism, which effectively solves the technical problem of electric shock risk in the existing circuit breaker operating process.

In order to achieve the purpose, the application provides the following technical scheme:

a contact operating mechanism of a vacuum circuit breaker comprises a base, a circuit breaker body, a conductive protrusion, a conductive trigger block, a first motor and a switch trigger piece;

the circuit breaker body and the first motor are both arranged on the base;

the conductive bulge is fixedly arranged on the circuit breaker body;

the conductive trigger block is connected with the circuit breaker body through an elastic telescopic rod;

one side of the conductive trigger block, which is far away from the conductive protrusion, is an inclined plane;

the switch trigger piece comprises a mounting bracket and a roller rotatably mounted on the mounting bracket;

the inclined surface is provided with a groove matched with the roller;

the base and the roller are both made of insulating materials;

the first motor is connected with the switch trigger piece and used for driving the roller to move along the groove so as to push the conductive trigger block to move along the direction close to the conductive protrusion until the conductive trigger block is in conductive contact with the conductive protrusion.

Preferably, in the above vacuum circuit breaker contact operating mechanism, the vacuum circuit breaker contact operating mechanism further comprises a second motor and a moving vertical plate;

the movable vertical plate is movably arranged on the base, and the first motor is arranged on the movable vertical plate;

the second motor is connected with the movable vertical plate and used for driving the movable vertical plate to move in the direction close to or far away from the breaker body.

Preferably, in the above vacuum circuit breaker contact operating mechanism, two sides of the base are both provided with slide rails, and the two slide rails are arranged in parallel;

two ends of the movable vertical plate are respectively installed on the two slide rails in a sliding mode through guide blocks.

Preferably, in the above vacuum circuit breaker contact operating mechanism, two sides of the moving vertical plate are provided with first threaded sleeves;

a first threaded rod is mounted in the first threaded sleeve through internal threads;

the second motor is connected with the first threaded rod through a gear set.

Preferably, in the above vacuum circuit breaker contact operating mechanism, the movable vertical plate is provided with a mounting cover;

a first sliding block and a second threaded rod are arranged in the mounting cover;

the first motor is connected with the second threaded rod and used for driving the second threaded rod to rotate;

the first sliding block is sleeved on the second threaded rod in a threaded manner;

the switch trigger is connected with the first sliding block.

Preferably, in the above vacuum circuit breaker contact operating mechanism, a guide rod parallel to the second threaded rod is installed in the installation cover;

the first sliding block is movably sleeved on the guide rod.

Preferably, in the above vacuum circuit breaker contact operating mechanism, a fixed vertical plate is mounted on the base;

two breaker locking parts are arranged on the fixed vertical plate;

the circuit breaker body is arranged between the two circuit breaker locking pieces.

Preferably, in the above vacuum circuit breaker contact operating mechanism, the two sides of the circuit breaker body are both provided with clamping and matching blocks;

the opposite sides of the two circuit breaker locking parts are respectively provided with a movable clamping block and a fixed clamping block;

a third motor is arranged inside each breaker locking piece;

the third motor is connected with the movable clamping block and used for driving the movable clamping block to move along the direction close to or far away from the fixed clamping block, so that a clamping space matched with the clamping matching block is formed between the movable clamping block and the fixed clamping block.

Preferably, in the above vacuum circuit breaker contact operating mechanism, the third motor is connected with a third threaded rod;

a second sliding block is movably arranged in the breaker locking piece, and the movable clamping block is connected with the second sliding block;

the second sliding block pass through the second threaded sleeve with third threaded rod threaded connection.

Preferably, in the above vacuum circuit breaker contact operating mechanism, the elastic telescopic rod comprises a first rod body and a second rod body;

the second rod body is elastically and movably arranged in the first rod body through a spring.

Compared with the prior art, the beneficial effects of this application are:

the application provides a vacuum circuit breaker contact operating device, can drive switch trigger piece when rotating through first motor and remove, and then can drive the gyro wheel along slot horizontal migration, because the electrically conductive one side that triggers the piece and is close to the gyro wheel is the inclined plane structure, can compress the elasticity telescopic link when the gyro wheel removes along the direction of electrically conductive trigger piece thickness increase at the ditch inslot, drive electrically conductive trigger piece and remove along the direction that is close to electrically conductive bellied, make electrically conductive trigger piece and electrically conductive conflict of electrically conductive arch, thereby form the route, reach the purpose that starts the circuit breaker and form effective protection to the circuit, and because gyro wheel and base are insulating material and make, can not have the risk of electric shock when the staff operates, and is safer, the technical problem that has the risk of electric shock in the current circuit breaker operation process has been solved effectively.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a top view of a vacuum interrupter contact operating mechanism according to an embodiment of the present disclosure;

fig. 2 is a schematic internal structural view of a mounting cover of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application;

fig. 3 is an enlarged view of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present disclosure;

fig. 4 is a schematic view of an internal structure of a breaker lock member of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present disclosure;

fig. 5 is a sectional view of an elastic telescopic rod of a contact operating mechanism of a vacuum circuit breaker according to an embodiment of the present application.

In the figure:

1. a base; 2. fixing a vertical plate; 3. a first threaded rod; 4. a drive box; 5. a driven bevel gear; 6. a second motor; 7. a drive bevel gear; 8. a breaker locking member; 9. moving the vertical plate; 10. a first threaded bushing; 11. a slide rail; 12. a guide block; 13. mounting a cover; 14. a first motor; 15. a second threaded rod; 16. a guide bar; 17. a first slider; 18. a third threaded sleeve; 19. a first sliding port; 20. a connecting rod; 21. a switch trigger; 22. a third threaded rod; 23. a third motor; 24. a second slider; 25. a guide rail; 26. a second threaded sleeve; 27. moving the clamping block; 28. fixing the clamping block; 29. a clamping groove; 30. a second sliding port; 31. a switch controller; 32. mounting a bracket; 33. a roller; 34. a circuit breaker body; 35. clamping a matching block; 36. a conductive bump; 37. a first rod body; 38. a second rod body; 39. a spring; 40. a conductive trigger block; 41. a trench; 42. an elastic telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. 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 embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

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 within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, and generally does not need to change parts after breaking fault current. The existing circuit breaker is provided with an insulated operating handle, but needs to be operated continuously manually, when the circuit voltage is overhigh, electric arcs can occur, and the danger of electric shock can occur in the operating process. The embodiment provides a vacuum circuit breaker contact operating mechanism, which effectively solves the technical problem of electric shock risk in the existing circuit breaker operating process.

Referring to fig. 1 to 5, an embodiment of the present application provides a contact operating mechanism for a vacuum circuit breaker, including a base 1, a circuit breaker body 34, a conductive protrusion 36, a conductive trigger block 40, a first motor 14, and a switch trigger 21; the breaker body 34 and the first motor 14 are both mounted on the base 1; the conductive protrusion 36 is fixedly mounted on the breaker body 34; the conductive trigger block 40 is connected with the breaker body 34 through an elastic telescopic rod 42; the side of the conductive trigger block 40 away from the conductive protrusion 36 is an inclined plane; the switch trigger 21 comprises a mounting bracket 32 and a roller 33 rotatably mounted on the mounting bracket 32; the inclined surface is provided with a groove 41 matched with the roller 33; the base 1 and the roller 33 are made of insulating materials; the first motor 14 is connected to the switch activating member 21 for driving the roller 33 to move along the groove 41 to push the conductive activating block 40 to move in a direction close to the conductive protrusion 36 until the conductive activating block 40 is in conductive contact with the conductive protrusion 36.

More specifically, there are two conductive protrusions 36, and the two conductive protrusions 36 are respectively located at two sides of the elastic telescopic rod 42; the breaker body 34 is mounted on the base 1 through the fixed vertical plate 2, and the breaker body 34 is mounted on one side of the fixed vertical plate 2 close to the switch trigger 21.

This embodiment can drive switch trigger 21 when rotating through first motor 14 and remove, and then can drive gyro wheel 33 along 41 horizontal migration of slot, because the electrically conductive one side that triggers piece 40 and be close to gyro wheel 33 is the inclined plane structure, can compress elasticity telescopic link 42 when gyro wheel 33 moves along the direction of electrically conductive trigger piece 40 thickness increase in slot 41, drive electrically conductive trigger piece 40 and remove along the direction that is close to electrically conductive protruding 36, make electrically conductive trigger piece 40 and electrically conductive protruding 36 electrically conductive conflict, thereby form the route, reach the purpose that the starting circuit breaker formed effective protection to the circuit, and because gyro wheel 33 and base 1 are insulating material and make, can not have the risk of electrocuting when the staff operates, and is safer, the technical problem that has the risk of electrocuting in the current circuit breaker operation process has been solved effectively.

Further, in the present embodiment, please refer to fig. 1, further comprising a second motor 6 and a moving vertical plate 9; the movable vertical plate 9 is movably arranged on the base 1, and the first motor 14 is arranged on the movable vertical plate 9; the second motor 6 is connected with the moving vertical plate 9 and is used for driving the moving vertical plate 9 to move in a direction close to or far away from the breaker body 34. The second motor 6 can drive the moving vertical plate 9 to move in the direction close to or far away from the breaker body 34, and further drive the first motor 14 and the switch trigger 21 to move, so that the distance between the adjusting roller 33 and the conductive trigger block 40 is realized, so that the roller 33 is movably installed in the groove 41 of the conductive trigger block 40, and then the first motor 14 is started to push the roller 33 to horizontally move along the groove 41, so that the elastic telescopic rod 42 is stably compressed, and the conductive trigger block 40 is pushed to be in contact with and conducted with the conductive protrusion 36 of the breaker body 34.

Further, in the present embodiment, please refer to fig. 1, two sides of the base 1 are both provided with slide rails 11, and the two slide rails 11 are arranged in parallel; two ends of the movable vertical plate 9 are respectively installed on two sliding rails 11 in a sliding manner through guide blocks 12. The movable vertical plate 9 is arranged in parallel with the fixed vertical plate 2, the sliding rails 11 are perpendicular to the movable vertical plate 9, and the moving direction of the movable vertical plate 9 is effectively limited through the two sliding rails 11, so that the movable vertical plate 9 always keeps moving in a state of being parallel to the fixed vertical plate 2, and the rollers 33 can move into the corresponding grooves 41 more accurately;

further, in the present embodiment, referring to fig. 2, both sides of the movable riser 9 are provided with first threaded sleeves 10; a first threaded rod 3 is arranged in the first threaded sleeve 10 through internal threads; the second motor 6 is connected with the first threaded rod 3 through a gear set. The second motor 6 is started to drive the first threaded rod 3 to rotate along one direction through the gear set, so that the first threaded rod 3 continuously moves along the inner part of the first threaded sleeve 10, namely the first threaded rod 3 continuously contracts into the first threaded sleeve 10, and the distance between the movable vertical plate 9 and the fixed vertical plate 2 is reduced; similarly, the second motor 6 is started to drive the first threaded rod 3 to rotate along the reverse direction through the gear set, so that the first threaded rod 3 continuously moves along the outer part of the first threaded sleeve 10, namely the first threaded rod 3 continuously extends out of the first threaded sleeve 10, and the distance between the movable vertical plate 9 and the fixed vertical plate 2 is enlarged.

More specifically, two first threaded sleeves 10 and a first threaded rod 3 are symmetrically arranged on both sides of the mobile vertical plate 9; the gear train includes drive bevel gear 7 and driven bevel gear 5, and the output shaft of second motor 6 connects drive bevel gear 7, and first threaded rod 3 is connected with drive bevel gear 7 through driven bevel gear 5 meshing transmission.

Further, in the present embodiment, referring to fig. 2, the movable vertical plate 9 is provided with an installation cover 13; a first sliding block 17 and a second threaded rod 15 are arranged in the mounting cover 13; the first motor 14 is connected with the second threaded rod 15 and used for driving the second threaded rod 15 to rotate; the first sliding block 17 is sleeved on the second threaded rod 15 in a threaded manner; the switch activating member 21 is connected to the first slide block 17. Second threaded rod 15 is equivalent to the lead screw, first sliding block 17 is equivalent to the lead screw nut of installing on the lead screw, drive second threaded rod 15 through starting first motor 14 and rotate, make first sliding block 17 carry out linear motion along second threaded rod 15, and then drive whole switch trigger 21 and remove along the horizontal direction, and then drive gyro wheel 33 along 41 horizontal migration of slot, can form the extrusion to electrically conductive trigger block 40, elasticity telescopic link 42 compresses, make electrically conductive trigger block 40 and the electrically conductive protruding 36 contact on the circuit breaker body 34 switch on, satisfy the demand that starts circuit breaker circuit break-off line.

More specifically, the installation cover 13 is installed in one side of the movable vertical plate 9 far away from the fixed vertical plate 2, the second threaded rod 15 is installed in the movable vertical plate 9 in a rotating mode, the switch trigger 21 is connected with the first sliding block 17 through the connecting rod 20, the movable vertical plate 9 is provided with a first sliding opening 19 for the connecting rod 20 to penetrate out, the first sliding opening 19 can further play a role of limiting the movement range of the switch trigger 21, and the first sliding block 17 is installed on the second threaded rod 15 through the third threaded sleeve 18 in a threaded mode.

Further, in the present embodiment, referring to fig. 2, a guide rod 16 parallel to the second threaded rod 15 is installed in the installation cover 13; the first sliding block 17 is movably sleeved on the guide rod 16. The guide rod 16 can limit the movement direction of the first sliding block 17, and can limit the third threaded sleeve 18 and the first sliding block 17, so as to avoid the situation that the third threaded sleeve 18 and the first sliding block 17 cannot move along the horizontal direction when rotating along with the second threaded rod 15.

Further, in the present embodiment, please refer to fig. 1, a fixed vertical plate 2 is installed on the base 1; two breaker locking parts 8 are arranged on the fixed vertical plate 2; the breaker body 34 is mounted between the two breaker locks 8. Can realize through the setting of two circuit breaker retaining members 8 with circuit breaker body 34 demountable installation on fixed riser 2 (also be base 1), make things convenient for the staff to install circuit breaker body 34 on base 1 or dismantle circuit breaker body 34 from base 1 according to actual need to conveniently change the maintenance.

More specifically, each breaker lock 8 can be removably connected to the fixed riser 2 by a fastener; one side fixed mounting that fixed riser 2 kept away from removal riser 9 has drive box 4, and second motor 6 is installed in drive box 4, and second motor 6 specifically is servo biax rotating electrical machines, and two output shafts of servo biax rotating electrical machines all are connected with drive bevel gear 7, and each first threaded rod 3 all rotates through the bearing and installs on fixed riser 2, and each first threaded rod 3 passes fixed riser 2 and is connected with corresponding drive bevel gear 7 meshing transmission through driven bevel gear 5.

Further, in the present embodiment, please refer to fig. 3 and 4, the two sides of the breaker body 34 are both provided with clamping matching blocks 35; the opposite sides of the two circuit breaker locking pieces 8 are provided with a movable clamping block 27 and a fixed clamping block 28; a third motor 23 is arranged inside each breaker locking piece 8; the third motor 23 is connected to the movable clamping block 27 for driving the movable clamping block 27 to move in a direction approaching or moving away from the fixed clamping block 28, so that a clamping space matched with the clamping matching block 35 is formed between the movable clamping block 27 and the fixed clamping block 28. Through the centre gripping cooperation piece 35 to the both sides of circuit breaker body 34 formation centre gripping effect, realize installing circuit breaker body 34 on fixed riser 2, circuit breaker body 34 can be the U type, and two centre gripping cooperation pieces 35 set up on circuit breaker body 34's outer wall, and electrically conductive trigger block 40 and electrically conductive protruding 36 all set up in circuit breaker body 34's inside chamber inslot.

More specifically, the clamping cooperation block 35 can be in a cross shape, and the opposite sides of the fixed clamping block 28 and the movable clamping block 27 are provided with clamping grooves 29 corresponding to the clamping cooperation block 35, so that a better clamping effect can be formed on the clamping cooperation block 35, and the loosening of the circuit breaker body 34 can be avoided.

Further, in the present embodiment, please refer to fig. 4, the third motor 23 is connected to the third threaded rod 22; a second sliding block 24 is movably arranged in the breaker locking piece 8, and a movable clamping block 27 is connected with the second sliding block 24; second slide 24 is screwed to third threaded rod 22 via second threaded sleeve 26. The third motor 23 is started, the third motor 23 drives the third threaded rod 22 to rotate along one direction, and the third threaded rod 22 slowly breaks away from the second threaded sleeve 26, so that the movable clamping block 27 moves along the direction far away from the fixed clamping block 28, and the effect of expanding the clamping space between the movable clamping block 27 and the fixed clamping block 28 is achieved; similarly, the third motor 23 is started, the third motor 23 drives the third threaded rod 22 to rotate in the opposite direction, and the third threaded rod 22 is slowly screwed into the second threaded sleeve 26, so that the movable clamping block 27 moves in the direction close to the fixed clamping block 28, and the effect of reducing the clamping space between the movable clamping block 27 and the fixed clamping block 28 is achieved.

More specifically, the breaker locking member 8 is a hollow structure, a guide rail 25 is arranged inside the breaker locking member 8, the second sliding block 24 is mounted on the guide rail 25, and the side wall of the breaker locking member 8 is provided with a second sliding opening 30 for the movable clamping block 27 to pass through; the base 1 is provided with a switch controller 31, and the first motor 14, the second motor 6 and the third motor 23 are all connected with the switch controller 31 through conducting wires, so that corresponding operations can be carried out through the motors of the switch controller 31.

Further, in the present embodiment, referring to fig. 5, the elastic telescopic rod 42 includes a first rod 37 and a second rod 38; the second rod 38 is elastically and movably mounted in the first rod 37 by a spring 39. The first rod 37 is connected to the breaker body 34, the first rod 37 has an inner groove, the first end of the second rod 38 is connected to the conductive trigger block 40, the second end of the second rod 38 is connected to the first end of the spring 39, the spring 39 is disposed in the inner groove, and the second end of the spring 39 is connected to the inner wall of the first rod 37. The requirement that the conductive trigger block 40 moves close to the conductive protrusion 36 can be met through the arrangement of the spring 39, so that the conductive trigger block 40 can be in contact conduction with the conductive protrusion 36, and the requirement that the conductive trigger block 40 moves away from the conductive protrusion 36 can also be met, so that an open circuit can be formed between the conductive trigger block 40 and the conductive protrusion 36.

The working process of the embodiment: when the breaker body 34 is installed, the second motor 6 is started firstly, the first threaded rod 3 can be driven to rotate by the meshing of the driving bevel gear 7 and the driven bevel gear 5, the first threaded rod 3 is in threaded connection with the first threaded sleeve 10, so that the roller 33 is driven to be far away from the fixed vertical plate 2, then the breaker body 34 is placed between the two breaker locking parts 8, the second motor 6 drives the movable clamping block 27 to be close to the fixed clamping block 28 to clamp and fix the breaker body 34, then the second motor 6 is controlled to rotate reversely to drive the roller 33 to be close to the breaker body 34, so that the roller 33 moves into the groove 41, so that the installation is completed, when the breaker body is used, the first motor 14 rotates to drive the second threaded rod 15 to rotate, so that the first sliding block 17 can be driven to move horizontally, so that the connecting rod 20 can be driven to move horizontally, when the connecting rod 20 moves horizontally, the roller 33 can be driven to move horizontally, because the one side that electrically conductive trigger block 40 is close to gyro wheel 33 is the inclined plane structure, can compress elasticity telescopic link 42 when the process that gyro wheel 33 moved right for electrically conductive trigger block 40 contradicts with two electrically conductive protruding 36 simultaneously, thereby forms the route, and gyro wheel 33 and base 1 are insulating material and make, can not have the risk of electrocution when staff's operation switch controller 31, and is safer.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.