CN221080905U - High-voltage power cable protection device - Google Patents

Abstract

The utility model provides a high-voltage power cable protection device, which comprises a shell, wherein mounting grooves are formed in the end faces of two sides of the shell, a plurality of connecting grooves are formed in the middle of the shell in an array mode, a plurality of sliding grooves are formed in the surface, close to the center of the shell, of each mounting groove in an array mode, the sliding groove positions in the two mounting grooves are in one-to-one correspondence, conductive brushes are slidably arranged in the sliding grooves, one ends of the conductive brushes penetrate into the mounting grooves, and conductive columns are arranged at one ends, far away from the center of the mounting grooves, of the conductive brushes; according to the utility model, the butt joint of the cable connector is carried out, and in the process of using the cable, the arc clamping plate can move by a certain extent through the connecting block which is connected with the movable block in a sliding way, so that the influence on the cable caused by thermal expansion and cold contraction of the cable is reduced, the cable is placed to be stretched out due to shrinkage, and meanwhile, through the structures such as the conductive brush and the like, when the cable moves, the conductive brush can always contact with the core wires of the cable, and thus the conduction of the two core wires is kept.

Description

High-voltage power cable protection device

Technical Field

The utility model belongs to the technical field of cable connection, and particularly relates to a high-voltage power cable protection device.

Background

A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires.

In the process of cable laying, two cables of difference often need be in the same place, lead to the groove to adopt fixed connection's mode to connect between two cables, the heart yearn lead to the groove to be made by metal, receive the influence of temperature great, in the in-process that the cable used, because the difference in temperature marginalization of its place environment can lead to the frequent shrink of cable and extension, this just leads to the in-process that uses at the cable, can constantly pull the joint of two cables, thereby lead to the joint to produce not hard up simultaneously cable shrink when, still can lead to the cable to strain, lead to the emergence of cable stretch-open condition even.

In summary, the present utility model provides a high voltage power cable protection device to solve the above-mentioned problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a high-voltage power cable protection device, which is used for solving the problem that the effect of thermal expansion and cold contraction is greatly influenced in the mode of connecting two cables in the prior art.

The utility model provides a high voltage power cable protector, includes the shell, the mounting groove has all been seted up to the both sides terminal surface of shell, a plurality of spread grooves have been seted up to the middle part array of shell, the surface that the mounting groove is close to shell center department position is all arrayed and is seted up a plurality of spouts, and two spout position one-to-one in the mounting groove, the inside of spout is all slidable mounting has conductive brush, just the one end of conductive brush all penetrates in the mounting groove, the conductive brush is kept away from the one end at mounting groove center all is provided with the conductive post, and two that the position corresponds the one end of conductive post penetrates same respectively in the spread groove, and same link to each other through the wire electrical property between two conductive posts in the spread groove.

Further, two movable grooves are symmetrically formed in the inner wall of the mounting groove at the center of the outer shell, guide grooves are formed in the tops of the movable grooves, connecting sleeves are slidably mounted in the guide grooves, one ends of the connecting sleeves penetrate into the movable grooves, movable blocks are connected to the penetrating ends of the connecting sleeves, connecting blocks are slidably mounted on one sides of the movable blocks, close to the center of the mounting groove, of the movable blocks, and arc clamping plates are connected to one ends of the connecting blocks, close to the center of the mounting groove.

Further, a plurality of fixing pressing strips are arranged on the inner sides of the arc-shaped clamping plates in an array mode.

Further, springs are sleeved on the surfaces of the inner parts of the sliding grooves of the conductive posts, and two ends of each spring are respectively abutted to the inner walls of the sliding grooves and one end, far away from the center of the mounting groove, of the conductive brush.

Further, the inside of guide slot is all rotated and is installed the threaded rod, the one end of threaded rod penetrates in the connecting sleeve, just the threaded rod with threaded connection between the connecting sleeve.

Further, four rotating blocks are further installed on the outer side surface of the shell, the four rotating blocks are connected with the shell in a rotating mode, and the four rotating blocks are connected with the four threaded rods in a transmission mode.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the butt joint of the cable connector is carried out, and in the process of using the cable, the arc clamping plate can move by a certain extent through the connecting block which is connected with the movable block in a sliding way, so that the influence on the cable caused by thermal expansion and cold contraction of the cable is reduced, the cable is placed to be stretched out due to shrinkage, and meanwhile, through the structures such as the conductive brush and the like, when the cable moves, the conductive brush can always contact with the core wires of the cable, and thus the conduction of the two core wires is kept.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front cross-sectional view of the present utility model;

FIG. 3 is a schematic side cross-sectional view of the present utility model;

Fig. 4 is a perspective view showing the internal structure of the present utility model.

In the figure:

1. A housing; 2. a mounting groove; 3. a connecting groove; 4. a chute; 5. a conductive brush; 6. a conductive post; 7. a wire; 8. a movable groove; 9. a guide groove; 10. a connecting sleeve; 11. a movable block; 12. a connecting block; 13. an arc clamping plate; 14. fixing the pressing strip; 15. a spring; 16. a threaded rod; 17. and rotating the block.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides a high-voltage power cable protection device, which comprises a housing 1, wherein mounting grooves 2 are formed in the end faces of two sides of the housing 1, a plurality of connecting grooves 3 are formed in the middle of the housing 1 in an array, a plurality of sliding grooves 4 are formed in the surface of the mounting grooves 2, which are close to the center of the housing 1, in a one-to-one correspondence with the sliding grooves 4 in the two mounting grooves 2, conductive brushes 5 are slidably mounted in the sliding grooves 4, one ends of the conductive brushes 5 penetrate into the mounting grooves 2, one ends of the conductive brushes 5 point to the center of the mounting grooves 2 and are used for contacting core wires of a cable, one ends of the conductive brushes 5 penetrating into the mounting grooves 2 are provided with cambered surfaces so as to be in full contact with the surface of the cable core wires, one ends of the cambered surfaces of the conductive brushes 5, which are close to the cambered clamping plates 13, are outwards-spread and obliquely arranged so that the cable core wires can be directly inserted between the conductive brushes 5, one ends of the conductive brushes 5, which are far from the center of the mounting grooves 2, are provided with conductive posts 6, and one ends of the corresponding two conductive posts 6 penetrate into the same connecting grooves 3 respectively, and one end of the conductive posts 6 is connected with one conductive post 7 through the conductive wire.

Wherein, two movable grooves 8 have all been seted up to equal symmetry in the inner wall of mounting groove 2 department in keeping away from shell 1 center, guide way 9 has all been seted up at the top of movable groove 8, the center of guide way 2 is directed to the one end of guide way 9, the equal slidable mounting of inside of guide way 9 has connecting sleeve 10, connecting sleeve 10's one end penetrates in the movable groove 8, and the one end that penetrates is connected with movable block 11, one side that movable block 11 is close to the mounting groove 2 center is equal slidable mounting has connecting block 12, the direction that the slider can move is the same with the central axis direction of mounting groove 2, after fixing the cable, can move along with the flexible of cable, connecting block 12 is close to the one end at mounting groove 2 center all is connected with arc splint 13 and is used for fixing the cable.

Wherein, the inboard of arc splint 13 all is provided with a plurality of fixed layering 14 in the array, and the one end that the inboard surface of arc splint 13 was kept away from to fixed layering 14 is the tip, in the insulating crust of cable can be pierced in the clamp of arc splint 13 to fix the cable in mounting groove 2, make cable and arc splint 13 can not take place relative displacement.

The surface of the inner part of the conductive column 6 located in the chute 4 is sleeved with springs 15, two ends of each spring 15 respectively prop against the inner wall of the chute 4 and one end of the conductive brush 5 far away from the center of the installation groove 2, and the conductive brush 5 is extruded through the springs 15, so that the conductive brush 5 is always in contact with the surface of the cable core wire, and different cables in the two installation grooves 2 are communicated.

The threaded rod 16 is rotatably installed in the guide groove 9, one end of the threaded rod 16 penetrates into the connecting sleeve 10, the threaded rod 16 is in threaded connection with the connecting sleeve 10, and when the threaded rod 16 rotates, each movable block 11 can drive the center of the arc-shaped clamping box installation groove 2 to be close to the center of the arc-shaped clamping box installation groove 2, so that cable wire ends inserted into the installation groove 2 are clamped and fixed.

Four rotating blocks 17 are further installed on the outer side surface of the shell 1, the four rotating blocks 17 are rotationally connected with the shell 1, the four rotating blocks 17 are respectively connected with four threaded rods 16 in a transmission mode, and each threaded rod 16 is respectively rotated through each rotating block 17.

The specific working principle is as follows:

When two cables are connected, firstly, insulating protective covers at the end parts of the two cables are stripped, the stripped length is the distance between the arc clamping plate 13 and the innermost part of the installation groove 2 when the arc clamping plate 13 moves to the position closest to the conductive brush 5, after the cable skin is pulled out, the cables are inserted into the installation groove 2, the arc clamping plate 13 is pushed to the innermost part of a movable range by a tool before insertion, then the cables are inserted into the bottom of the installation groove 2, then the two corresponding rotating blocks 17 of the installation groove 2 are rotated, the two arc clamping plates 13 are close to the cables through the rotating blocks 17 and clamp and fix the cables at the root parts of the cable protective covers, and after the other cable is installed, the two cables can be communicated.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims (6)

1. The utility model provides a high voltage power cable protector which characterized in that: including shell (1), mounting groove (2) have all been seted up to the both sides terminal surface of shell (1), a plurality of spread grooves (3) have been seted up to the middle part array of shell (1), mounting groove (2) are close to the surface equal array of shell (1) center department position and have been seted up a plurality of spouts (4), and two spout (4) position one-to-one in mounting groove (2), the inside of spout (4) is equal slidable mounting has conductive brush (5), just the one end of conductive brush (5) all penetrates in mounting groove (2), one end that conductive brush (5) kept away from mounting groove (2) center all is provided with conductive post (6), and two that the position corresponds conductive post (6) one end penetrates the same respectively in connecting groove (3), and the same between two conductive posts (6) in connecting groove (3) link to each other through wire (7) electricity.

2. The high voltage power cable protective device according to claim 1, wherein: two movable grooves (8) are symmetrically formed in the center of the shell (1) in the inner wall of the mounting groove (2), guide grooves (9) are formed in the tops of the movable grooves (8), connecting sleeves (10) are slidably mounted in the guide grooves (9), one ends of the connecting sleeves (10) penetrate into the movable grooves (8), movable blocks (11) are connected with one ends of the connecting sleeves, one side, close to the center of the mounting groove (2), of each movable block (11) is provided with a connecting block (12) in a sliding mode, and one ends, close to the center of the mounting groove (2), of each connecting block (12) are connected with an arc-shaped clamping plate (13).

3. The high voltage power cable protective device according to claim 2, wherein: a plurality of fixing pressing strips (14) are arranged on the inner side of each arc-shaped clamping plate (13) in an array mode.

4. The high voltage power cable protective device according to claim 1, wherein: the surface of the inner part of the chute (4) of the conductive column (6) is sleeved with springs (15), and two ends of each spring (15) are respectively abutted to the inner wall of the chute (4) and one end of the conductive brush (5) away from the center of the installation groove (2).

5. The high voltage power cable protective device according to claim 2, wherein: the inside of guide slot (9) is all rotated and is installed threaded rod (16), the one end of threaded rod (16) penetrates in connecting sleeve (10), just threaded rod (16) with threaded connection between connecting sleeve (10).

6. The high voltage power cable protective device according to claim 5, wherein: four rotating blocks (17) are further arranged on the outer side surface of the shell (1), the four rotating blocks (17) are connected with the shell (1) in a rotating mode, and the four rotating blocks (17) are connected with the four threaded rods (16) in a transmission mode.