CN220627680U - High-voltage load switch with fixing function - Google Patents

Abstract

The utility model discloses a high-voltage load switch with a fixing function, which comprises a load switch body and a first movable block, wherein a plurality of supporting frames are arranged on two sides of the load switch body, the supporting frames are provided with heightening blocks, the heightening blocks and the first movable block are provided with semi-annular through holes, the semi-annular through holes are provided with wire clamping components, the heightening blocks are provided with first concave cavities positioned on the outer sides of the semi-annular through holes, the first movable block is hinged to the heightening blocks, the first movable block is provided with a fixed block, and the inside of the fixed block is provided with a fixed component. According to the utility model, the cable is fixed through the cable clamping assembly, the first spring absorbs vibration generated by cable jump, so that the cable is stably connected with the load switch body, and the connection stability of the first movable block and the heightening block is ensured through the fixing assembly, so that the cable clamping assembly can firmly wrap the cable, and the product has the advantages of reliability in fixing, buffering function and the like.

Description

High-voltage load switch with fixing function

Technical Field

The utility model relates to the technical field of load switches, in particular to a high-voltage load switch with a fixed function.

Background

The load switch is a switching device between a circuit breaker and a disconnecting switch, and is provided with a simple arc extinguishing device, and can cut off rated load current and a certain overload current, but can not cut off short-circuit current. In the power grid, load switches are used to control and protect the operation of equipment such as cables and transmission lines. In these devices, because of the large power delivered, a high voltage load switch is required to control the operation of the circuit to protect the safety and reliability of the device.

In an overhead power line, when the existing high-voltage load switch is used, a cable needs to be tapped on the switch, but after the cable is fixed, the cable is affected by low wind speed, medium wind speed, typhoon and the like, the cable can jump to cause line collision and mixed line flashover accidents, and when the cable vibrates seriously, the accidents such as connection interruption and connection looseness and the like of the high-voltage load switch occur, and the high-voltage load switch lacks the fixation of the cable at present, so that the applicant has made a beneficial design, found a method for solving the problems, and the technical scheme to be introduced below is generated under the background.

Disclosure of Invention

The utility model aims to overcome the defects of the traditional high-voltage load switch design and provides a product with reliable fixation and buffer function.

In order to solve the problems, the utility model adopts the following technical scheme.

A high-voltage load switch with a fixed function comprises a load switch body, a first movable block,

the load switch comprises a load switch body, and is characterized in that a plurality of supporting frames are arranged on two sides of the load switch body, the supporting frames are provided with heightening blocks, the heightening blocks and first movable blocks are provided with semi-annular through holes, the semi-annular through holes are provided with wire clamping assemblies, the outsides of the heightening blocks and the semi-annular through holes are provided with first concave cavities, the first movable blocks are hinged to the heightening blocks, the first movable blocks are provided with fixing blocks, fixing assemblies are arranged in the fixing blocks and rotate, the first movable blocks are enabled to be in end face contact with the heightening blocks, holes for wrapping cables are formed between the wire clamping assemblies, the fixing blocks are arranged in the first concave cavities, and the fixing assemblies enable the first movable blocks to be fixedly connected with the heightening blocks.

Preferably, a second concave cavity is arranged in the center of the semi-annular through hole, a limiting blind hole is arranged in the second concave cavity, and a guide post is arranged at the bottom of the second concave cavity.

Preferably, the wire clamping assembly comprises a semi-annular rubber block and a first spring, the semi-annular rubber block is arranged in a semi-annular through hole, the semi-annular through hole is provided with a perforation, an anti-slip groove is formed in the inner wall of the perforation, the semi-annular rubber block is provided with a guide block and is arranged in a second concave cavity, the guide block is provided with a first limiting block, the bottom of the first guide block is provided with a yielding blind hole, the first spring is arranged on a guide column and is abutted to the second groove and the yielding blind hole and acts on the first guide block, so that the limiting block is in contact with the limiting blind hole, and a buffering distance is reserved between the outer wall of the semi-annular rubber block and the inner wall of the semi-annular through hole.

Preferably, the two sides of the first concave cavity are provided with fixing grooves, the fixing grooves are arranged in a staggered mode, and chamfer angles are arranged on the side surfaces of the first concave cavity, which are in contact with the fixing blocks.

Preferably, the fixed block is provided with at least two first through holes, the first through holes are arranged in a staggered mode, a cavity is formed between the first through holes, the fixed block is provided with a second through hole and penetrates through the cavity, the bottom of the first through hole is provided with a movable groove, the bottom of the movable groove is provided with a limiting groove, and a guide rod is arranged between the movable grooves.

Preferably, the fixed subassembly comprises rocking handle, second spring, second movable block, the second movable block sets up in first through-hole, the second movable block is equipped with the second guide block, and sets up in movable recess, the guide bar passes the second guide block, the top of second guide block is equipped with spacing lug, and sets up in spacing recess, the second movable block is equipped with the rack recess, the second spring sets up in the guide bar, and one side, the second guide block of butt movable recess to act on the second guide block, the rocking handle sets up in the second through-hole, the rocking handle is equipped with the gear, and sets up in the cavity, and meshing rack recess rotates the rocking handle makes the second movable block stretch out first through-hole to contact with fixed recess, make first movable block and increase the piece and be connected fixedly.

The beneficial effects are that:

compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the first movable block is turned over to be in contact with the end surface of the heightening block, the gear is rotated by the rotary rocking handle to drive the second movable block to be in contact with the fixed groove, so that the first movable block is connected and fixed with the heightening block, a cable can be better and firmly fixed between the cable clamping components, the semi-annular rubber block increases the friction force with the surface of the cable, the anti-slip groove further increases the friction force, the holding force of the cable clamping components on the cable is improved, the problem that when the cable is influenced by low wind speed, medium wind speed, typhoon and the like, the cable jumps to cause cable collision and mixed cable flashover accidents is solved, the problem that the connection with a high-voltage load switch is interrupted, the connection is loose and the like is caused by cable vibration, and the vibration generated by the cable is eliminated through the first spring, so that the connection reliability influence of the vibration on the connection end of the load switch body and the cable is reduced, and the product has the advantages of being fixed and reliable and having a buffering function.

Drawings

FIG. 1 is a schematic diagram of a high voltage load switch with a fixed function according to the present utility model;

FIG. 2 is a schematic side sectional view of a support frame of a high voltage load switch with fixing function according to the present utility model;

fig. 3 is an enlarged view showing a partial structure of a detail a of the high voltage load switch with a fixing function of fig. 2 according to the present utility model;

fig. 4 is a front cross-sectional view of a support frame of a high voltage load switch having a fixing function according to the present utility model;

fig. 5 is an enlarged view showing a partial structure of a detail B of the high voltage load switch with a fixing function of fig. 4 according to the present utility model;

FIG. 6 is an exploded view of a securing assembly of a high voltage load switch having a securing function in accordance with the present utility model;

FIG. 7 is an exploded view of a clamping assembly of a high voltage load switch having a securing function in accordance with the present utility model;

fig. 8 is a schematic structural view of a load switch body of a high-voltage load switch with a fixing function according to the present utility model;

the correspondence between the reference numerals and the component names in the drawings is as follows:

reference numerals: 1. a load switch body; 2. a first movable block; 3. a semi-annular through hole; 4. a wire clamping assembly; 5. a fixing assembly; 6. chamfering;

11. a support frame; 12. a heightening block; 13. a first cavity; 14. a fixing groove;

21. a fixed block; 22. a first through hole; 23. a cavity; 24. a second through hole; 25. a movable groove; 26. a limit groove; 27. a guide rod;

31. a second cavity; 32. limiting blind holes; 33. a guide post;

41. a semi-annular rubber block; 42. a first spring; 43. perforating; 44. a first guide block; 45. a limiting block; 46. a yielding blind hole; 47. an anti-slip groove;

51. a rocking handle; 52. a second spring; 53. a second movable block; 54. a gear;

531. a second guide block; 532. a limit bump; 533. and a rack groove.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 to 8, a high voltage load switch with a fixing function includes a load switch body 1, a first movable block 2, wherein a plurality of supporting frames 11 are arranged at two sides of the load switch body 1, the supporting frames 11 are provided with heightening blocks 12, the heightening blocks 12 and the first movable block 2 are provided with semi-annular through holes 3, the semi-annular through holes 3 are provided with wire clamping components 4, the heightening blocks 12 are positioned outside the semi-annular through holes 3, first concave cavities 13 are arranged at the outer sides of the semi-annular through holes 3, the first movable block 2 is hinged to the heightening blocks 12, the first movable block 2 is provided with a fixed block 21, a fixed component 5 is arranged in the fixed block 21, the first movable block 2 is in contact with the end faces of the heightening blocks 12 by rotating the first movable block 2, a hole for wrapping a cable is formed between the wire clamping components 4, the fixed block 21 is arranged in the first concave cavities 13, and the fixed component 5 is connected and fixed with the heightening blocks 12;

it should be noted that the center of the semi-annular through hole 3 is provided with a second concave cavity 31, the second concave cavity 31 is provided with a limiting blind hole 32, the bottom of the second concave cavity 31 is provided with a guide post 33, the second concave cavity 31 provides an accommodating space for the first spring 42 and the guide block, the limiting blind hole 32 limits the extending distance of the semi-annular rubber block 41, and the guide post 33 prevents the first spring 42 from generating displacement;

it should be noted that, the wire clamping assembly 4 is composed of a semi-annular rubber block 41 and a first spring 42, the semi-annular rubber block 41 is arranged in the semi-annular through hole 3, the semi-annular through hole 3 is provided with a perforation 43, the inner wall of the perforation 43 is provided with an anti-slip groove 47, the semi-annular rubber block 41 is provided with a guide block and is arranged in the second concave cavity 31, the guide block is provided with a first limiting block 45, the bottom of the first guide block 44 is provided with a yielding blind hole 46, the first spring 42 is arranged on the guide post 33 and abuts against the second groove and the yielding blind hole 46, and acts on the first guide block 44, so that the limiting block 45 is in contact with the limiting blind hole 32, the outer wall of the semi-annular rubber block 41 and the inner wall of the semi-annular through hole 3 are provided with a buffer distance, the semi-annular rubber block 41 increases the friction force with a cable, the semi-annular through hole 3 limits the descending distance of the semi-annular rubber block 41, the semi-annular rubber block 41 provides a supporting effect for the semi-annular rubber block, the perforation 43 better wraps the cable, the anti-slip groove 47 further increases the friction force with the cable, the gripping force between the clamping assembly is improved, the first guide block 44 provides a guiding effect for the semi-annular rubber block 41, the limiting blind hole with the guiding effect, the limiting blind hole 45 is matched with the limiting groove 45, the damping blind hole 26 is used for the vibration of the first blind hole, and the vibration is concentrated with the vibration distance;

it should be noted that, the two sides of the first concave cavity 13 are provided with the fixing grooves 14, the fixing grooves 14 are arranged in a staggered way, the side surfaces of the first concave cavity 13 contacted with the fixing blocks 21 are provided with the chamfers 6, the fixing grooves 14 are matched with the second movable blocks 53 for use, the fixing grooves 14 are arranged in a staggered way, so that the gears 54 are convenient to rotate and drive the two second movable blocks 53 to move in opposite directions, and the chamfers 6 facilitate the fixing blocks 21 to enter the first concave cavity 13;

it should be noted that, the fixed block 21 is provided with at least two first through holes 22, the first through holes 22 are arranged in a staggered manner, a cavity 23 is arranged between the first through holes 22, the fixed block 21 is provided with a second through hole 24 and penetrates through the cavity 23, the bottom of the first through hole 22 is provided with a movable groove 25, the bottom of the movable groove 25 is provided with a limit groove 26, a guide rod 27 is arranged between the movable grooves 25, the first through hole 22 provides an accommodating space for the second movable block 53 and provides a guiding function for the second movable block 53, the cavity 23 provides an accommodating space for the gear 54, the second through hole 24 is matched with the rocking handle 51 for use, the movable groove 25 provides an accommodating space for the second spring 52, the limit groove 26 limits the telescopic distance of the second movable block 53, and the guide rod 27 prevents the second spring 52 from falling off from the second movable block 53;

it should be noted that, the fixed component 5 is composed of a rocking handle 51, a second spring 52 and a second movable block 53, the second movable block 53 is disposed in the first through hole 22, the second movable block 53 is provided with a second guide block 531 and is disposed in the movable groove 25, the guide rod 27 passes through the second guide block 531, the top of the second guide block 531 is provided with a limit bump 532 and is disposed in the limit groove 26, the second movable block 53 is provided with a rack groove 533, the second spring 52 is disposed on the guide rod 27 and abuts against one side of the movable groove 25 and the second guide block 531 and acts on the second guide block 531, the rocking handle 51 is disposed in the second through hole 24, the rocking handle 51 is provided with a gear 54 and is disposed in the cavity 23 and engages with the rack groove 533, the rocking handle 51 is rotated, so that the second movable block 53 extends out of the first through hole 22 and is in contact with the fixed groove 14, the first movable block 2 is fixedly connected with the heightened block 12, the second guide block 531 is used in cooperation with the movable groove 25, the limit bump 532 is used in cooperation with the limit groove 26, the rack groove 533 is used in cooperation with the gear 54, the rocking handle 533 is rotated clockwise or the rocking handle 51 is rotated clockwise or the second guide block 53 is rotatably contacts with the heightened block 52, and is enabled to extend clockwise or rotate the movable block 53 by rotating the second guide block 52, and is enabled to rotate clockwise or rotate relative to the movable block 53 to rotate relative to the movable block 53.

The principle of use of the utility model will now be described as follows:

the cable is placed on the perforation 43 of the semi-annular rubber block 41 of the heightening block 12, the first movable block 2 is rotated to be in contact with the end face of the heightening block 12, the perforation 43 of the semi-annular rubber block 41 of the first movable block 2 is attached to the surface of the cable, pressure is applied to the first movable block 2, the movable block is tightly contacted with the first concave cavity 13, the first through hole 22 is in a center line with the fixed groove 14, the gear 54 is rotated and the second movable block 53 is driven to extend until the second guide block 531 is contacted with the side face of the movable groove 25 by rotating the rocking handle 51, the second spring 52 releases elasticity to the guide block, the second movable block 53 is tightly contacted with the fixed groove 14, at this time, the first movable block 2 extrudes the semi-annular rubber block 41, the perforation 43 is tightly attached to the surface of the cable, and the fixing operation of the cable is completed.

When the cable is required to be disassembled, the rocking handle 51 is rotated to enable the gear 54 to rotate and drive the second movable block 53 to retract to the first through hole 22, the second guide block 531 presses the second spring 52 to enable the second spring 52 to store energy until the limit bump 532 contacts the limit groove 26, and then the second movable block 53 stops retracting movement, at the moment, the first movable block 2 is rotated to enable the perforation 43 to leave the surface of the cable, so that the disassembling operation of the cable is completed.

Through the design scheme, the product can be fixed and reliable, and has the advantage of buffering function.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (6)

1. The utility model provides a high voltage load switch with fixed function, includes load switch body (1), first movable block (2), its characterized in that: the load switch is characterized in that a plurality of supporting frames (11) are arranged on two sides of the load switch body (1), the supporting frames (11) are provided with heightening blocks (12), the heightening blocks (12) and the first movable blocks (2) are provided with semi-annular through holes (3), the semi-annular through holes (3) are provided with wire clamping components (4), the outsides of the heightening blocks (12) and the semi-annular through holes (3) are provided with first concave cavities (13), the first movable blocks (2) are hinged to the heightening blocks (12), the first movable blocks (2) are provided with fixing blocks (21), fixing components (5) are arranged in the fixing blocks (21), the first movable blocks (2) rotate, the first movable blocks (2) are in contact with the end faces of the heightening blocks (12), holes for wrapping cables are formed between the wire clamping components (4), and the fixing blocks (21) are arranged in the first concave cavities (13), and the fixing components (5) enable the first movable blocks (2) to be fixedly connected with the heightening blocks (12).

2. The high voltage load switch with a fixed function according to claim 1, wherein: the center of semi-annular through-hole (3) is equipped with second cavity (31), second cavity (31) are equipped with spacing blind hole (32), the bottom of second cavity (31) is equipped with guide post (33).

3. The high-voltage load switch with a fixed function according to claim 2, characterized in that: the wire clamping assembly (4) is composed of a semi-annular rubber block (41) and a first spring (42), the semi-annular rubber block (41) is arranged in a semi-annular through hole (3), the semi-annular through hole (3) is provided with a through hole (43), the inner wall of the through hole (43) is provided with an anti-slip groove (47), the semi-annular rubber block (41) is provided with a first guide block (44) and is arranged in a second concave cavity (31), the first guide block (44) is provided with a limiting block (45), the bottom of the first guide block (44) is provided with a yielding blind hole (46), the first spring (42) is arranged in a guide column (33), is abutted to the second groove and the yielding blind hole (46) and acts on the first guide block (44), so that the limiting block (45) is in contact with the limiting blind hole (32), and a buffer distance is reserved between the outer wall of the semi-annular rubber block (41) and the inner wall of the semi-annular through hole (3).

4. The high voltage load switch with a fixed function according to claim 1, wherein: the two sides of the first concave cavity (13) are provided with fixing grooves (14), the fixing grooves (14) are arranged in a staggered mode, and chamfer angles (6) are formed in the side faces, in contact with the fixing blocks (21), of the first concave cavity (13).

5. The high-voltage load switch with a fixed function according to claim 4, wherein: the fixed block (21) is provided with at least two first through holes (22), the first through holes (22) are arranged in a staggered mode, a cavity (23) is formed between the first through holes (22), the fixed block (21) is provided with a second through hole (24) and penetrates through the cavity (23), the bottom of the first through hole (22) is provided with a movable groove (25), the bottom of the movable groove (25) is provided with a limiting groove (26), and a guide rod (27) is arranged between the movable grooves (25).

6. The high-voltage load switch with a fixed function according to claim 5, wherein: the fixed subassembly (5) comprises rocking handle (51), second spring (52), second movable block (53) sets up in first through-hole (22), second movable block (53) are equipped with second guide block (531), and set up in movable recess (25), guide bar (27) pass second guide block (531), the top of second guide block (531) is equipped with spacing lug (532), and sets up in spacing recess (26), second movable block (53) are equipped with rack groove (533), second spring (52) set up in guide bar (27), and one side, second guide block (531) of butt movable recess (25) to act on second guide block (531), rocking handle (51) set up in second through-hole (24), rocking handle (51) are equipped with gear (54), and set up in cavity (23), and mesh recess (533), rotate rocking handle (51), make second movable block (53) stretch out first through-hole (22) and make fixed connection (12) and increase with fixed piece (14).