CN212209266U

CN212209266U - High-voltage circuit breaker transmission device

Info

Publication number: CN212209266U
Application number: CN202021157144.5U
Authority: CN
Inventors: 吴华; 谢芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-12-22
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to a high voltage circuit breaker technical field discloses a high voltage circuit breaker transmission, include: the lock comprises a first transmission guide rod, a second transmission guide rod and a lock body, wherein a first slot is formed in the first transmission guide rod, a fixed rod is inserted into the first slot, and the bottom end of the fixed rod is connected with a lock guide rod; the first transmission guide rod is provided with a square clamping block, an inner cavity is formed in the clamping block, a rotating cap is utilized to rotate a threaded rod on the outer side of the clamping block, the gear and the spiral teeth on the gear can be driven to rotate, a moving block can drive the clamping rod to move towards the axis direction of the clamping rod or the direction far away from the axis direction of the clamping rod on the gear, and when the moving block drives the clamping rod to move towards the axis direction of the gear, the clamping rod can be inserted into a clamping groove correspondingly formed in a fixed rod, so that the connection work between the first transmission guide rod and the locking guide rod can be realized, the operation is simple, and meanwhile, the problem of looseness of the existing connection mode can be avoided.

Description

High-voltage circuit breaker transmission device

Technical Field

The utility model relates to a high voltage circuit breaker technical field, in particular to high voltage circuit breaker transmission.

Background

The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multi-oil circuit breakers, less-oil circuit breakers), sulfur hexafluoride circuit breakers (SF6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc., in high-voltage circuit breakers, transmission devices are widely used;

a first transmission guide rod and a second transmission guide rod on the existing high-voltage circuit breaker transmission device are connected through a lock guide rod and a guide sleeve frame, one end of the lock guide rod is movably inserted in the guide sleeve frame, and the other end of the lock guide rod is rotatably inserted into a threaded blind hole formed in the first transmission guide rod through threads;

the first transmission guide rod and the lock guide rod of the existing transmission device are connected in a threaded rotating mode, and although the first transmission guide rod and the lock guide rod are simple to install or disassemble, the problem of looseness or thread slippage can occur after long-time use, so that the service life is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a high voltage circuit breaker transmission can effectively solve and adopt screw thread pivoted mode to connect between first transmission guide arm and the lock guide arm on this kind of transmission now, though to installation between it or dismantle easy operation, but after long-time use, probably take place not hard up or the problem of the thread smooth tooth, shortened life's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high voltage circuit breaker actuator comprising: the lock comprises a first transmission guide rod, a second transmission guide rod and a lock body, wherein a first slot is formed in the first transmission guide rod, a fixed rod is inserted into the first slot, and the bottom end of the fixed rod is connected with a lock guide rod; the first transmission guide rod is provided with a square clamping block, an inner cavity is formed in the clamping block, a gear is sleeved on a shaft lever on the inner side wall of the inner cavity, a worm is inserted into the side face of the clamping block, and a rotating cap is sleeved on one end, exposed out of the clamping block, of the worm; the gear is meshed with the worm, spiral teeth are arranged on the side face of the gear, moving blocks are arranged on the side face of the gear in the same horizontal direction, the moving blocks are sleeved on the spiral teeth, one ends, opposite to the two moving blocks, of the two moving blocks are connected with clamping rods, the clamping rods movably penetrate through holes formed in the first transmission guide rod, clamping grooves are formed in positions, corresponding to the through holes in the first transmission guide rod, of the fixed rod, and the clamping rods are inserted into the clamping grooves; the moving block is further provided with a second slot, a connecting rod is movably inserted into the second slot, and one end of the connecting rod is connected to the inner wall of the inner cavity.

The two sides of the fixed rod are provided with limiting blocks, the inner wall of the first slot in the first transmission guide rod is provided with two limiting grooves, and the limiting blocks are inserted into the limiting grooves.

The lock guide rod is inserted into the guide sleeve frame, the lock guide rod is a quadrangular cylindrical rod, and the bottom end of the guide sleeve frame is connected with a second transmission guide rod; the top of uide bushing frame is provided with the second fixed disk, the bottom department cover of first transmission guide pole is equipped with first fixed disk, be connected with the spring between first fixed disk and the second fixed disk.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a cover is equipped with the chucking piece on first transmission guide arm, when inserting the dead lever that is connected lock guide arm one end and is being seted up on first transmission guide arm in the first slot of seting up, through insert on the chucking piece with the worm that meshes the connection between the gear of its inner chamber cavity wall mounting, still be provided with heliciform helical tooth on the side of gear, the cover that passes the movable block activity of the chucking pole of through-hole on the first transmission guide arm is established on the helical tooth of gear, utilize the swivel cap to rotate on the threaded rod outside the chucking piece like this, can drive the helical tooth on gear and the gear and rotate, the movable block will drive the chucking pole and move towards its axle center direction on the gear or with the direction of keeping away from the axle center, when the movable block drives the chucking pole and moves towards the axle center direction of gear, can insert the chucking pole into the chucking groove that corresponds to set up on the dead lever, so both can realize the connection work between first transmission guide arm and the lock, the operation is simple, and the problem of looseness of the existing connection mode is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a structural section view of the guide sleeve frame of the present invention.

Fig. 3 is a structural sectional view of the clamping block of the present invention.

In the figure: 1. a first drive link; 2. a clamping block; 3. fixing the rod; 4. a guide sleeve frame; 5. a second drive guide; 6. a second fixed disk; 7. a first fixed disk; 8. a spring; 9. a lock guide rod; 10. a first slot; 11. a limiting block; 12. A limiting groove; 13. a gear; 14. helical teeth; 15. a moving block; 16. a clamping rod; 17. a clamping groove; 18. a second slot; 19. a connecting rod; 20. an inner cavity; 21. A worm; 22. and (4) turning the cap.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, a high voltage circuit breaker actuator includes:

the device comprises a first transmission guide rod 1, wherein a first slot 10 is formed in the first transmission guide rod 1, a fixed rod 3 is inserted into the first slot 10, and a lock guide rod 9 is fixedly connected to the bottom end of the fixed rod 3;

a square clamping block 2 is fixedly sleeved on the first transmission guide rod 1, an inner cavity 20 is formed in the clamping block 2, a gear 13 is sleeved on a shaft rod on the inner side wall of the inner cavity 20, a worm 21 is inserted into the side surface of the clamping block 2, and a rotating cap 22 is fixedly sleeved on one end, exposed out of the clamping block 2, of the worm 21;

the gear 13 is meshed with the worm 21, spiral teeth 14 are arranged on the side face of the gear 13, moving blocks 15 are arranged on the side face of the gear 13 in the same horizontal direction, the moving blocks 15 are movably sleeved on the spiral teeth 14, one ends, opposite to the two moving blocks 15, are connected with clamping rods 16, the clamping rods 16 movably penetrate through holes formed in the first transmission guide rod 1, clamping grooves 17 are formed in the positions, corresponding to the through holes in the first transmission guide rod 1, of the fixing rod 3, and the clamping rods 16 are inserted into the clamping grooves 17.

As shown in fig. 2, the moving block 15 is further provided with a second slot 18, a connecting rod 19 is movably inserted into the second slot 18, and one end of the connecting rod 19 is connected to the inner wall of the inner cavity 20.

By adopting the scheme, the connecting rod 19 can limit the moving block 15, so that the moving block 15 is prevented from rotating on the gear 13, and the moving block is ensured to move towards the clamping groove 17 on the fixing rod 3 on the gear 13.

As shown in fig. 2, two sides of the fixing rod 3 are fixedly provided with a limiting block 11, two limiting grooves 12 are formed in the inner wall of the first slot 10 in the first transmission guide rod 1, and the limiting block 11 is inserted into the limiting grooves 12.

By adopting the scheme, when the fixing rod 3 on the lock guide rod 9 is inserted into the first slot 10 on the first transmission guide rod 1, the limiting block 11 is inserted into the limiting groove 12 formed in the inner wall of the first slot 10 to play a limiting role, so that when the fixing rod 3 is inserted into the first slot 10, the clamping groove 17 on the fixing rod 3 and the clamping rod 16 can be ensured to be positioned at the same horizontal position.

As shown in fig. 2, the lock guide rod 9 is inserted into the guide sleeve frame 4 in an interference fit manner, the lock guide rod 9 is a quadrangular cylindrical rod, and the bottom end of the guide sleeve frame 4 is connected with the second transmission guide rod 5.

Through adopting above-mentioned scheme, through designing into lock guide arm 9 four-sided cylindricality pole to guarantee that lock guide arm 9 removes along its length direction in direction cover frame 4, avoid spring 8 to take place the condition of skew at compression deformation's in-process, prolong spring 8's life.

As shown in fig. 1, a second fixed disk 6 is arranged at the top end of the guide sleeve frame 4, a first fixed disk 7 is sleeved at the bottom end of the first transmission guide rod 1, and a spring 8 is connected between the first fixed disk 7 and the second fixed disk 6.

It should be noted that, the utility model relates to a high voltage circuit breaker transmission, when connecting first transmission guide rod 1 and lock guide rod 9, at first inject dead lever 3 on lock guide rod 9 top in first slot 10 on the first transmission guide rod 1, stopper 11 on the dead lever 3 injects the spacing groove 12 of seting up on the first slot 10 cell wall, utilize swivel cap 22 to drive worm 21 at chucking piece 2 internal rotation after that, because the meshing is connected between worm 21 and the gear 13, and then drive spiral tooth 14 on gear 13 and the gear 13 and rotate in the inner chamber 20 of chucking piece 2, because the cover that the movable block 15 activity is established on spiral tooth 14, like this movable block 15 moves on connecting rod 19 and drives chucking rod 16 and injects the chucking groove 17 that corresponds to seting up on the dead lever 3, to dead lever 3 chucking in chucking piece 2, and is easy to operate, and convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high voltage circuit breaker actuator comprising:

the device comprises a first transmission guide rod (1), wherein a first slot (10) is formed in the first transmission guide rod (1), a fixed rod (3) is inserted into the first slot (10), and the bottom end of the fixed rod (3) is connected with a lock guide rod (9);

a square clamping block (2) is arranged on the first transmission guide rod (1), an inner cavity (20) is formed in the clamping block (2), a gear (13) is sleeved on a shaft rod on the inner side wall of the inner cavity (20), a worm (21) is inserted into the side surface of the clamping block (2), and a rotating cap (22) is sleeved on one end, exposed out of the clamping block (2), of the worm (21);

the gear (13) is in meshed connection with the worm (21), spiral teeth (14) are arranged on the side face of the gear (13), moving blocks (15) are arranged on the side face of the gear (13) in the same horizontal direction, the moving blocks (15) are sleeved on the spiral teeth (14), two opposite ends of the moving blocks (15) are connected with clamping rods (16), the clamping rods (16) movably penetrate through holes formed in the first transmission guide rod (1), clamping grooves (17) are formed in the positions, corresponding to the through holes in the first transmission guide rod (1), of the fixing rod (3), and the clamping rods (16) are inserted into the clamping grooves (17).

2. A high voltage circuit breaker actuator as claimed in claim 1, wherein: a second slot (18) is further formed in the moving block (15), a connecting rod (19) is movably inserted into the second slot (18), and one end of the connecting rod (19) is connected to the inner wall of the inner cavity (20).

3. A high voltage circuit breaker actuator as claimed in claim 1, wherein: two sides of the fixed rod (3) are provided with limit blocks (11), two limit grooves (12) are formed in the inner wall of the first slot (10) in the first transmission guide rod (1), and the limit blocks (11) are inserted into the limit grooves (12).

4. A high voltage circuit breaker actuator as claimed in claim 1, wherein: the lock guide rod (9) is inserted into the guide sleeve frame (4), the lock guide rod (9) is a quadrangular cylindrical rod, and the bottom end of the guide sleeve frame (4) is connected with a second transmission guide rod (5).

5. A high voltage circuit breaker actuator as claimed in claim 4, wherein: the top of uide bushing frame (4) is provided with second fixed disk (6), the bottom department cover of first transmission guide pole (1) is equipped with first fixed disk (7), be connected with spring (8) between first fixed disk (7) and second fixed disk (6).