CN211046397U

CN211046397U - Power cable connection structure

Info

Publication number: CN211046397U
Application number: CN201921783743.5U
Authority: CN
Inventors: 陈红
Original assignee: Changchun Beite Cable Technology Co ltd
Current assignee: Changchun Beite Cable Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-17
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a power cable connection structure, including the wiring portion, the both sides of wiring portion all are equipped with integrated into one piece's protruding piece, the wiring portion be equipped with two communicating cable duct of protruding piece, two the roof of protruding piece is all inserted and is equipped with the lead screw, two all be equipped with the fixed slot in the protruding piece, the interior roof fixed mounting of fixed slot has the fixed block, the lead screw runs through the fixed block, the one end fixedly connected with of fixed block is kept away from to the lead screw supports the board, the interior roof of fixed slot rotates the dwang that is connected with two symmetries. The utility model discloses a lead screw and ball nut cooperation drive two dwang and inwards promote the grip ring, and then fasten the centre gripping to the cable, have avoided the cable to receive the power of dragging and have leaded to the gliding condition to appear, place cable joint's part in the cable duct, fix through the cable at butt joint both ends, have shifted the atress position that the cable received the power of dragging, have effectively avoided cable joint to go out the condition that becomes flexible or even drops.

Description

Power cable connection structure

Technical Field

The utility model relates to a power equipment technical field especially relates to a power cable connection structure.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and the like, and is gradually increased in proportion in the power line; power cables are cable products used in the trunk lines of electric power systems to transmit and distribute high power electric energy, including various voltage classes from 1 to 500KV and above, and various insulated power cables.

In the installation engineering of cable, often can pull the cable, when setting up aloft, because reasons such as gravity, wind-force, cable joint both sides have the pulling force, can make joint department not hard up, contact failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art, and the power cable connection structure who provides.

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

the utility model provides a power cable connection structure, includes the wiring portion, the both sides of wiring portion all are equipped with integrated into one piece's protruding piece, the wiring portion be equipped with two communicating cable duct of protruding piece, two the roof of protruding piece is all inserted and is equipped with the lead screw, two all be equipped with the fixed slot in the protruding piece, the interior roof fixed mounting of fixed slot has the fixed block, the lead screw runs through the fixed block, the one end fixedly connected with of fixed block is kept away from to the lead screw supports the board, the interior roof of fixed slot rotates and is connected with the dwang of two symmetries, two all seted up the spout on the dwang, two equal sliding connection has the slide bar, two in the spout the one end that the dwang was kept away from to the slide bar all is connected, two with the outer wall rotation of lead screw.

Preferably, the inner walls of the two sides of the fixing groove are both fixed with telescopic grooves, telescopic rods are inserted into the telescopic grooves, and one ends of the telescopic rods, far away from the telescopic grooves, are fixedly connected with the outer wall of the clamping ring.

Preferably, each fixing block is internally provided with a ball nut matched with the screw rod.

Preferably, both ends of each sliding rod are respectively sleeved with a limiting piece, and the diameter of each limiting piece is larger than the width of the sliding groove.

Preferably, the two clamping rings are fixed with sliding blocks at the ends close to the bottom wall in the fixing groove, and the two sliding blocks slide on the bottom wall of the fixing groove.

Preferably, every the equal fixedly connected with of one end that the telescopic link is located flexible inslot slides in the baffle between two walls of flexible groove, two the equal fixedly connected with expanding spring of one end that the telescopic link was kept away from to the baffle.

Compared with the prior art, the power cable connection structure has the advantages that:

1. the lead screw and the ball nut are matched to drive the two rotating rods to push the clamping ring inwards, so that the cable is fastened and clamped, and the situation that the cable slides due to the dragging force is avoided;

2. the cable joint is placed in the cable groove, and the cables at the two ends of the joint are fixed, so that the stress position of the cable under the dragging force is shifted, and the condition that the cable joint is loosened and even falls off is effectively avoided;

3. the telescopic groove and other structures can ensure that the clamping ring is adaptive to cables with different models and sizes, and the universality of the design is improved;

to sum up, the utility model discloses a lead screw and ball nut cooperation drive two dwang and inwards promote the grip ring, and then fasten the centre gripping to the cable, have avoided the cable to receive the power of dragging and lead to the gliding condition to appear, place cable joint's part in the cable duct, fix through the cable at butt joint both ends, have shifted the cable and have received the stress position of the power of dragging, have effectively avoided cable joint to go out the condition that becomes flexible or even drop.

Drawings

Fig. 1 is a perspective view of a power cable connection structure provided by the present invention;

fig. 2 is a side view of a power cable connection structure according to the present invention;

fig. 3 is an enlarged view of a in fig. 2.

In the figure: 1 wiring portion, 2 cable duct, 3 telescopic link, 4 lead screws, 5 fixed blocks, 6 dwang, 7 spouts, 8 spacing pieces, 9 slide bars, 10 are pressed board, 11 grip ring, 12 sliders, 13 baffles, 14 expanding spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a power cable connection structure comprises a wiring portion 1, wherein two sides of the wiring portion 1 are respectively provided with an integrally formed protruding block, the wiring portion 1 is provided with a cable groove 2 communicated with the two protruding blocks, the top walls of the two protruding blocks are respectively inserted with a screw rod 4, the two protruding blocks are respectively provided with a fixed groove, the inner top wall of the fixed groove is fixedly provided with a fixed block 5, the screw rod 4 penetrates through the fixed block 5, each fixed block 5 is internally provided with a ball nut matched with the screw rod 4, one end of the screw rod 4 far away from the fixed block 5 is fixedly connected with a support plate 10, the inner top wall of the fixed groove is rotatably connected with two symmetrical rotating rods 6, two sliding grooves 7 are respectively arranged on the two rotating rods 6, sliding rods 9 are respectively and slidably connected in the two sliding grooves 7, two ends of each sliding rod 9 are respectively sleeved with a limiting piece 8, the diameter of each limiting piece 8 is larger than the width of the, two dwang 6 keep away from the equal fixedly connected with grip ring 11 of one end of roof in the fixed slot, and the one end that two grip ring 11 are close to the fixed slot internal bottom wall all is fixed with slider 12, and two sliders 12 all slide in the diapire of fixed slot, put into the fixed slot respectively with the cable at joint department both ends so during, to screw in lead screw 4, support board 10 along with the removal of lead screw 4 supports the outer wall of cable, avoided the cable to receive to drag the power and lead to gliding condition to appear.

The inner walls of the two sides of the fixed groove are both fixed with telescopic grooves, telescopic rods 3 are inserted in the two telescopic grooves, one ends of the two telescopic rods 3 far away from the telescopic grooves are both fixedly connected with the outer wall of the clamping ring 11, one end of each telescopic rod 3 in the telescopic groove is both fixedly connected with a partition plate 13 sliding between the two walls of the telescopic groove, one ends of the two partition plates 13 far away from the telescopic rods 3 are both fixedly connected with telescopic springs 14, a sliding rod 9 slides and contracts in a sliding groove 7 to drive the two rotating rods 6 to exert clamping acting force on the clamping ring 11, meanwhile, the telescopic springs 14 are rebounded under the stress to push the telescopic rods 3, further, the two clamping rings 11 are pushed to clamp cables, the parts of cable joints are placed in the cable grooves 2, the cables at the two ends of the joints are fixed, the stress positions of the cables under the dragging force are shifted, the situation that the cable joints are loosened and even fall off is effectively avoided, in, the versatility of the design is improved.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

put into the fixed slot respectively with the cable at joint department both ends this kind in, to screw in lead screw 4, support board 10 along with lead screw 4's removal supports the outer wall of cable, avoided the cable to receive the power of dragging and lead to gliding condition to appear, slide bar 9 slides the shrink in spout 7 simultaneously and drives two dwangs 6 and applys tight effort to grip ring 11, simultaneously expanding spring 14 atress resilience promotes telescopic link 3, and then promote two grip ring 11 and press from both sides tight cable, place the part of cable joint in cable duct 2, fix through the cable at butt joint both ends, the forced position that the cable received the power of dragging has been shifted, the condition that the cable joint goes out not hard up and drops even has effectively been avoided.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A power cable connection structure comprises a wiring portion (1) and is characterized in that two sides of the wiring portion (1) are provided with integrally formed protruding blocks, the wiring portion (1) is provided with cable grooves (2) communicated with the two protruding blocks, the top walls of the two protruding blocks are provided with lead screws (4) in an inserted mode, the two protruding blocks are internally provided with fixing grooves, the inner top wall of each fixing groove is fixedly provided with a fixing block (5), each lead screw (4) penetrates through the fixing block (5), one end, far away from the fixing block (5), of each lead screw (4) is fixedly connected with a resisting plate (10), the inner top wall of each fixing groove is rotatably connected with two symmetrical rotating rods (6), each two rotating rods (6) are provided with a sliding groove (7), each sliding rod (9) is slidably connected in each sliding groove (7), and one end, far away from each rotating rod (6), of each sliding rod (9) is rotatably connected with the outer wall of each lead screw (, two the equal fixedly connected with grip ring (11) of one end that roof in the fixed slot was kept away from in dwang (6).

2. A power cable connecting structure according to claim 1, wherein telescopic slots are fixed on both inner walls of the fixing slot, telescopic rods (3) are inserted into both telescopic slots, and one ends of both telescopic rods (3) far away from the telescopic slots are fixedly connected with the outer wall of the clamping ring (11).

3. A power cable connection according to claim 1, wherein a ball nut is provided in each fixing block (5) to match the screw (4).

4. A power cable connection structure according to claim 1, wherein both ends of each slide rod (9) are sleeved with a limiting piece (8), and the diameter of each limiting piece (8) is larger than the width of the sliding groove (7).

5. A power cable connection according to claim 1, wherein a slider (12) is fixed to each end of the two clamp rings (11) adjacent to the bottom wall of the fixing groove, and each of the two sliders (12) slides on the bottom wall of the fixing groove.

6. A power cable connection structure as claimed in claim 2, wherein one end of each telescopic rod (3) located in the telescopic slot is fixedly connected with a partition plate (13) sliding between two walls of the telescopic slot, and one end of each partition plate (13) far away from the telescopic rod (3) is fixedly connected with a telescopic spring (14).