CN210404690U

CN210404690U - Power cable joint end reinforcing apparatus

Info

Publication number: CN210404690U
Application number: CN201921386159.6U
Authority: CN
Inventors: 项青松; 项斌
Original assignee: Longyou Yilian Cable Co ltd
Current assignee: Longyou Yilian Cable Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-04-24
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a power cable joint end reinforcing device, wherein the inner sides of a first U-shaped groove and a second U-shaped groove are both provided with a movable seat, one side of the movable seat is provided with a clamping groove, an elastic column is fixed in the groove, jacks are respectively arranged at the front side and the rear side of the first U-shaped groove, the front side and the rear side of the second U-shaped groove are both fixed with an inserting rod, the inserting rod is inserted in the jack, and the outer sides of the first U-shaped groove and the second U-shaped groove are both fixed with an internal thread sleeve; the device is through inserting the cable in the draw-in groove, then rotatory threaded rod makes the cylinder remove, the cylinder promotes the rack and removes, make the tooth of rack compress tightly the cable, and carry out the centre gripping by the movable rod under the thrust of spring and arc shell fragment to the cable fixed, and insert the inserted bar in the plug hole, make fastening bolt insert in the plug hole with the protruding back of contact of antiskid fasten the inserted bar, can make the cable of two butt joints be difficult for influencing the connection goodness of joint department because of dragging the power.

Description

Power cable joint end reinforcing apparatus

Technical Field

The utility model relates to the technical field of cables, specifically a power cable joint end reinforcing apparatus.

Background

With the development of social economy, the production electricity and the living electricity are greatly increased, and the high-voltage power transmission is widely applied in various fields due to the unique advantages of the high-voltage power transmission. Due to the limitation of the factory length, the digging loss of building construction, the stealing loss and the like, two disconnected high-voltage cables are often required to be connected, so that an intermediate joint is formed between the two connected cables. According to the working environment and the construction habit, a plurality of mature joint modes are formed. However, these connectors generally have the characteristics of insufficient strength and rigidity and insufficient anti-seismic performance, and are easily damaged under the action of external impact load, vibration load or drag force, so that a discharge phenomenon occurs, abnormal heating is caused, and therefore, a safety accident caused by repeated damage of the middle connector of the cable is easily and frequently caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power cable connector end reinforcing apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a power cable joint end reinforcing device comprises a first U-shaped groove and a second U-shaped groove, wherein a support is fixed at the end part of the first U-shaped groove and the end part of the second U-shaped groove, the middle part of the support is fixed at the outer ring of a bearing, a threaded rod is fixed at the inner ring of the bearing, one side of the threaded rod is inserted into the inner cavity of a cylinder, a groove is formed in the bottom of the cylinder, racks are hinged to two sides of the bottom of the groove, one end, away from the cylinder, of each rack is hinged to one end of a sliding rod, sliding holes are formed in two inner sides of the first U-shaped groove and the second U-shaped groove respectively, the sliding rods are inserted into the inner cavities of the sliding holes, movable seats are arranged on the inner sides of the first U-shaped groove and the second U-shaped groove respectively, a clamping groove is formed in one side of each movable seat, an elastic column is fixed in the groove, jacks, the inserted bar is inserted into the jack, the outer sides of the first U-shaped groove and the second U-shaped groove are both fixed with internal thread sleeves, and the internal thread sleeves are in threaded connection with fastening bolts inserted into the jack.

Preferably, the inner sides of the first U-shaped groove and the second U-shaped groove are provided with positioning holes, and one side of the movable seat away from the clamping groove is fixed with a positioning column inserted into the positioning holes.

Preferably, a threaded hole is formed in one end, far away from the groove, of the column body, and the threaded rod is in threaded connection with the threaded hole.

Preferably, a handle is fixed to one end of the threaded rod.

Preferably, the elastic column includes a cylinder, an arc-shaped elastic sheet is fixed in the cylinder, a first plug body and a second plug body are respectively connected in the cylinder in a sliding manner, the second plug body is connected with the first plug body through a spring, and a movable rod penetrating through the cylinder is fixed at one end, far away from the spring, of the second plug body.

Preferably, the outer side of the insertion rod is uniformly provided with anti-skid projections.

Compared with the prior art, the beneficial effects of the utility model are that: the device is through inserting the cable in the draw-in groove, then rotatory threaded rod makes the cylinder remove, the cylinder promotes the rack and removes, make the tooth of rack compress tightly the cable, and carry out the centre gripping by the movable rod under the thrust of spring and arc shell fragment to the cable fixed, and insert the inserted bar in the insert hole, then rotatory fastening bolt, make fastening bolt insert in the insert hole with anti-skidding protruding contact after fastening the inserted bar, can make the cable joint end of two butt joints be difficult for influencing the connection goodness of joint department because of dragging the power.

Drawings

Fig. 1 is a schematic structural view of a first U-shaped groove of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the elastic column of the present invention.

In the figure: 1. a first U-shaped groove; 2. a support; 3. a bearing; 4. a threaded rod; 5. a handle; 6. a cylinder; 7. a threaded hole; 8. a groove; 9. an elastic column; 10. a rack; 11. a slide bar; 12. a slide hole; 13. a jack; 14. an internally threaded sleeve; 15. fastening a bolt; 16. a movable seat; 17. a card slot; 18. positioning holes; 19. a positioning column; 20. inserting a rod; 21. anti-skid projections; 22. a cylinder barrel; 23. an arc-shaped elastic sheet; 24. a first plug body; 25. a spring; 26. a second plug body; 27. a movable rod; 28. and a second U-shaped groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a power cable joint end reinforcing device comprises a first U-shaped groove 1 and a second U-shaped groove 28, wherein a support 2 is fixed at the end parts of the first U-shaped groove 1 and the second U-shaped groove 28, the middle part of the support 2 is fixed at the outer ring of a bearing 3, a threaded rod 4 is fixed at the inner ring of the bearing 3, one side of the threaded rod 4 is inserted into the inner cavity of a cylinder 6, a groove 8 is formed in the bottom of the cylinder 6, racks 10 are hinged to the two sides of the bottom of the groove 8, one end, far away from the cylinder 6, of each rack 10 is hinged to one end of a sliding rod 11, sliding holes 12 are formed in the two inner sides of the first U-shaped groove 1 and the second U-shaped groove 28, the sliding rods 11 are inserted into the inner cavities of the sliding holes 12, movable seats 16 are arranged on the inner sides of the first U-shaped groove 1 and the second U-shaped groove 28, a clamping groove 17, jack 13 has all been seted up to both sides around first U type groove 1, both sides all are fixed with inserted bar 20 around the second U type groove 28, inserted bar 20 inserts in jack 13, the outside in first U type groove 1 and second U type groove 28 all is fixed with internal thread sleeve pipe 14, internal thread sleeve pipe 14 threaded connection has fastening bolt 15 that inserts in jack 13. The device is through inserting the cable in draw-in groove 17, then rotatory threaded rod 4 makes cylinder 6 remove, cylinder 6 promotes rack 10 and removes, make the tooth of rack 10 compress tightly the cable, and carry out the centre gripping by movable rod 27 under the thrust of spring 25 and arc shell fragment 23 to the cable and fix, and insert in jack 13 with inserted bar 20, then rotatory fastening bolt 15, make fastening bolt 15 insert in jack 13 fasten inserted bar 20 after contacting with anti-skidding arch 21, can make the cable of two butt joints be difficult for influencing the connection goodness of joint department because of pulling the power.

Positioning holes 18 are formed in the bottoms of the inner sides of the first U-shaped groove 1 and the second U-shaped groove 28, and a positioning column 19 inserted into the positioning holes 18 is fixed on one side, away from the clamping groove 17, of the movable seat 16; the positioning post 19 is inserted into the positioning hole 18 to position the movable seat 16.

A threaded hole 7 is formed in one end, far away from the groove 8, of the column body 6, and the threaded rod 4 is in threaded connection with the threaded hole 7; so that the threaded rod 4, when rotating in the threaded hole 7, can push the cylinder 6 to move.

A handle 5 is fixed at one end of the threaded rod 4; the handle 5 facilitates rotation of the threaded rod 4.

The elastic column 9 comprises a cylinder 22, an arc-shaped elastic sheet 23 is fixed in the cylinder 22, a first plug body 24 and a second plug body 26 are respectively connected in the cylinder 22 in a sliding manner, the second plug body 26 is connected with the first plug body 24 through a spring 25, and a movable rod 27 penetrating through the cylinder 22 is fixed at one end, far away from the spring 25, of the second plug body 26; so that the movable rod 27 can clamp the cable under the elastic force of the spring 25 and the arc-shaped elastic piece 23.

The outer side of the inserted bar 20 is uniformly provided with anti-skid projections 21; the nonslip protrusions 21 serve a nonslip function.

Working principle or structure principle, during the use, before carrying out the butt joint with the cable, in inserting the draw-in groove 17 with the cable, then rotatory handle 5, make threaded rod 4 internal rotation in screw hole 7, make cylinder 6 remove, cylinder 6 promotes rack 10 and removes, make slide bar 11 insert in slide opening 12, make the tooth of rack 10 compress tightly the cable, and carry out the centre gripping by movable rod 27 under the thrust of spring 25 and arc shell fragment 23 to the cable and fix, insert inserted bar 20 in jack 13, then rotatory fastening bolt 15, make fastening bolt 15 internal rotation in internal thread sleeve 14, make fastening bolt 15 insert in jack 13 with anti-skidding arch 21 contact back fasten inserted bar 20, can make two cables that dock difficult because of pulling the power influence the connectivity of joint department.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power cable joint end reinforcing apparatus, includes first U type groove and second U type groove, its characterized in that: the end parts of the first U-shaped groove and the second U-shaped groove are fixedly provided with a support, the middle part of the support is fixed on the outer ring of the bearing, the inner ring of the bearing is fixedly provided with a threaded rod, one side of the threaded rod is inserted into the inner cavity of the cylinder, the bottom of the cylinder is provided with a groove, two sides of the bottom of the groove are both hinged with racks, one end of each rack, which is far away from the cylinder, is hinged with one end of each sliding rod, two sides of the inside of the first U-shaped groove and the inside of the second U-shaped groove are both provided with sliding holes, the sliding rods are inserted into the sliding hole inner cavities, the inner sides of the first U-shaped groove and the second U-shaped groove are both provided with movable seats, one side of each movable seat is provided with a clamping groove, the groove is internally fixed with an elastic column, the front side and the rear side of the first U-shaped groove are both provided with jacks, the front side and, the internal thread sleeve is in threaded connection with a fastening bolt inserted into the jack.

2. A power cable joint end reinforcing apparatus according to claim 1, wherein: locating holes are formed in the bottoms of the inner sides of the first U-shaped groove and the second U-shaped groove, and a locating column inserted into the locating holes is fixed on one side, away from the clamping groove, of the movable seat.

3. A power cable joint end reinforcing apparatus according to claim 1, wherein: and one end of the column body, which is far away from the groove, is provided with a threaded hole, and the threaded rod is in threaded connection with the threaded hole.

4. A power cable joint end reinforcing apparatus according to claim 1, wherein: and a handle is fixed at one end of the threaded rod.

5. A power cable joint end reinforcing apparatus according to claim 1, wherein: the elastic column comprises a cylinder barrel, an arc-shaped elastic sheet is fixed in the cylinder barrel, a first plug body and a second plug body are respectively connected in the cylinder barrel in a sliding mode, the second plug body is connected with the first plug body through a spring, and a movable rod penetrating through the cylinder barrel is fixed at one end, far away from the spring, of the second plug body.

6. A power cable joint end reinforcing apparatus according to claim 1, wherein: and anti-skid protrusions are uniformly arranged on the outer side of the inserted rod.