CN210430733U

CN210430733U - Terminal turn-buckle

Info

Publication number: CN210430733U
Application number: CN201921772819.4U
Authority: CN
Inventors: 邓小凤
Original assignee: Guangdong Weicheng Electric Power Technology Co ltd
Current assignee: Guangdong Weicheng Electric Power Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-04-28
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a terminal turn-buckle, which belongs to the field of power line construction tools and comprises a first bolt, a second bolt, a nut, an upper pressure plate, a middle pressure plate and a lower pressure plate which are arranged in sequence; the first bolt and the second bolt are arranged in parallel, one end of the first bolt is fixed with the lower pressure plate, and the other end of the first bolt penetrates through the middle pressure plate and the upper pressure plate and then is locked by the nut; a gap for a cable to pass through is reserved between the first bolt and the second bolt, the cable is tightly pressed between the upper pressing plate and the middle pressing plate, and between the middle pressing plate and the lower pressing plate, and the problem that the conventional cable terminal is troublesome in fixing operation is solved.

Description

Terminal turn-buckle

Technical Field

The utility model relates to a power line construction tool field, in particular to terminal turn-buckle.

Background

The wire tightener is used for tightening a wire in overhead line laying construction, and is a common line tightening tool in power line construction.

At present, the cable terminal is usually tensioned and fixed in a traditional mode, the cable needs to be bent into a U shape to wind around a tightening post manually during construction, and metal wires are wound on the cables arranged side by side to be bundled and fixed. The fixing mode of the cable terminal can realize the tensioning and fixing of the line, but the installation is very troublesome, the working efficiency is low, the cable is not fixed firmly enough, and the cable is easy to loosen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a terminal turn-buckle, it has solved the comparatively trouble problem of current cable terminal fixed operation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a terminal wire grip comprises a first bolt, a second bolt, a nut, and an upper pressure plate, a middle pressure plate and a lower pressure plate which are arranged in sequence;

the first bolt and the second bolt are arranged in parallel, one end of the first bolt is fixed with the lower pressure plate, and the other end of the first bolt penetrates through the middle pressure plate and the upper pressure plate and then is locked by the nut;

and a gap for a cable to pass through is reserved between the first bolt and the second bolt, and the cable is tightly pressed between the upper pressure plate and the middle pressure plate and between the middle pressure plate and the lower pressure plate.

By adopting the structure, during installation, the nut is screwed, two cables are respectively penetrated and arranged between the upper pressing plate and the middle pressing plate and between the middle pressing plate and the upper pressing plate, and then the two cables are pressed tightly through the nut. The cable terminal fixing device is simple in operation, improves the installation efficiency, and solves the problem that the fixing operation of the existing cable terminal is troublesome. The cable is compressed through the cooperation of the upper pressing plate, the middle pressing plate and the lower pressing plate and is locked through the nut, so that the fixing effect is good.

The method is further optimized as follows: the upper pressing plate is provided with an upper slotted hole and an upper mounting hole, the middle pressing plate is provided with a lower slotted hole and a lower mounting hole, the first bolt penetrates through the upper slotted hole and the lower slotted hole, and the second bolt penetrates through the upper mounting hole and the lower mounting hole;

the upper mounting hole and the lower mounting hole are both arranged with openings at one side far away from the first bolt, and the length directions of the upper slotted hole and the lower slotted hole respectively point to the opening of the upper mounting hole and the opening of the lower mounting hole.

By adopting the structure, the upper pressing plate and the lower pressing plate can respectively slide along the length directions of the upper slotted hole and the lower slotted hole, so that the second bolt can be separated from the upper mounting hole and the lower mounting hole through the side opening.

The method is further optimized as follows: an upper pressing block is fixed on the upper pressing plate, a middle pressing block is fixed on the middle pressing plate, a lower pressing block is fixed on the lower pressing plate, and the upper pressing block, the middle pressing plate and the lower pressing block are all located between the first bolt and the second bolt;

the cable is compressed between the upper pressing block and the middle pressing block and between the middle pressing block and the lower pressing block.

By adopting the structure, the compression effect is improved, the cable is prevented from sliding, the cable can be protected, and the damage of the cable is reduced.

The method is further optimized as follows: the upper pressing block, the middle pressing block and the lower pressing block are all provided with cambered surfaces used for being in contact with the surface of the cable, and the cambered surfaces are matched with the surface of the cable.

Adopt above-mentioned structure to make cambered surface and cable surface closely laminate, improve fixed effect, reduce the cable and slide and loosen.

The method is further optimized as follows: and anti-skid stripes are arranged on the cambered surfaces of the upper pressing block, the middle pressing block and the lower pressing block.

By adopting the structure, the friction is increased, the sliding of the cable is reduced, and the fixing effect is better.

The method is further optimized as follows: the outer cover is buckled on the upper pressure plate, and the nut is positioned in the outer cover.

By adopting the structure, the hidden protection is convenient, and the integrity and the attractiveness of the terminal wire grip are improved.

To sum up, the utility model discloses following beneficial effect has: during the installation, open the enclosing cover, twist the nut to first bolt and second bolt top, then promote top board and well clamp plate along last slotted hole and lower slotted hole length direction to make the second bolt break away from the mounting hole and mounting hole down, rotate top board and well clamp plate around first bolt this moment again, so that two cables wear to establish respectively between top board and well clamp plate, and between well clamp plate and the top board, the rethread nut compresses tightly, covers the enclosing cover can. The cable terminal fixing device is simple in operation, improves the installation efficiency, and solves the problem that the fixing operation of the existing cable terminal is troublesome. The cable is compressed through the cooperation of the upper pressing plate, the middle pressing plate and the lower pressing plate and is locked through the nut, so that the fixing effect is good.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of a terminal turnbuckle;

fig. 2 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of a terminal turnbuckle;

FIG. 3 is a schematic structural diagram of an embodiment, which is mainly used for embodying the structure of an upper pressure plate;

fig. 4 is a schematic structural diagram of the embodiment, which is mainly used for embodying the structure of the middle pressure plate.

In the figure, 1, an outer cover; 2. an upper pressure plate; 3. a middle press plate; 4. a lower pressing plate; 5. pressing the block; 6. a first bolt; 7. a second bolt; 8. an upper mounting hole; 9. a lower mounting hole; 10. pressing the blocks; 11. pressing the blocks; 12. anti-skid stripes; 13. a card slot; 14. an upper slot; 15. a lower slot hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a terminal turn-buckle is shown in figures 1, 2, 3 and 4 and comprises a first bolt 6, a second bolt 7, a nut, an outer cover 1, an upper pressure plate 2, a middle pressure plate 3 and a lower pressure plate 4. Enclosing cover 1, top board 2, well clamp plate 3 and holding down plate 4 set gradually from top to bottom, and enclosing cover 1 lock is above top board 2. Specifically, the clamping groove 13 is formed in the upper pressure plate 2, the clamping grooves 13 are formed in two opposite sides of the upper pressure plate 2, the inner wall of the outer cover 1 is provided with a clamping block matched with the clamping groove 13, and the clamping block is clamped in the clamping groove 13, so that the outer cover 1 covers the upper pressure plate 2. When in use, information such as a wire diameter mark and the like can be printed on the outer cover 1 for mark distinguishing.

Referring to fig. 1, 2, 3 and 4, the first bolt 6 and the second bolt 7 are arranged in parallel and are respectively located on two sides of the top of the lower press plate 4, and the lower press plate 4 is U-shaped. The lower ends of the first bolt 6 and the second bolt 7 are respectively fixed with the lower pressure plate 4, the upper ends of the first bolt and the second bolt respectively penetrate through the middle pressure plate 3 and the upper pressure plate 2 and then are locked through a nut (not shown in the figure), and the nut is positioned above the upper pressure plate 2. First bolt 6 and second bolt 7 are vertical setting, and first bolt 6 and 7 upper ends of second bolt and nut all hold inside enclosing cover 1, are convenient for hide the protection.

Referring to fig. 1, 2, 3 and 4, a gap for passing the cable is left between the first bolt 6 and the second bolt 7, and the cable is compressed between the upper platen 2 and the middle platen 3, and between the middle platen 3 and the lower platen 4. In order to facilitate the compression of cables with different diameters, specifically, the distance between the first bolt 6 and the second bolt 7 should be set to be larger, and specifically, the distance can be set according to the specification of the cable on site.

Referring to fig. 1, 2, 3 and 4, an upper slot 14 and an upper mounting hole 8 are formed on the upper press plate 2, a lower slot 15 and a lower mounting hole 9 are formed on the middle press plate 3, a first bolt 6 is arranged in the upper slot 14 and the lower slot 15 in a penetrating manner, and a second bolt 7 is arranged in the upper mounting hole 8 and the lower mounting hole 9 in a penetrating manner. In order to facilitate disassembly and assembly, specifically, the upper mounting hole 8 and the lower mounting hole 9 are both provided with openings at the side far away from the first bolt 6; the length directions of the upper and

lower slots

14 and 15 are directed to the opening of the upper and

lower mounting holes

8 and 9, respectively, i.e., the length directions of the upper and

lower slots

14 and 15 are parallel to the plane formed by the first and second bolts 6 and 7. The design is such that the upper press plate 2 and the lower press plate 4 can slide along the length direction of the upper slotted hole 14 and the lower slotted hole 15 respectively, so that the second bolt 7 can be separated from the upper mounting hole 8 and the lower mounting hole 9 through the side opening. The longitudinal direction of the upper and

lower slots

14 and 15 is perpendicular to the direction of the central axis of the cable.

Referring to fig. 1, 2, 3 and 4, an upper pressing block 10 is fixed at the bottom of the upper pressing plate 2, a middle pressing block 11 is fixed at the middle of the middle pressing plate 3, a lower pressing block 5 is fixed at the top of the lower pressing plate 4, and the upper pressing block 10, the middle pressing block 11 and the lower pressing block 5 are all located between the first bolt 6 and the second bolt 7. In order to prevent the cable from being damaged, the upper pressing block 10, the middle pressing block 11 and the lower pressing block 5 are made of rubber or sponge plates, respectively. The cable is compressed between the upper pressing block 10 and the middle pressing block 11, and between the middle pressing block 11 and the lower pressing block 5. So design for the terminal turn-buckle can compress tightly two cables simultaneously, and one of them cable compresses tightly between last briquetting 10 and middling pressure piece 11, and another cable compresses tightly between middling pressure piece 11 and lower briquetting 5. The bottom surface of the upper pressing block 10, the top surface and the bottom surface of the middle pressing block 11 and the top surface of the lower pressing block 5 are respectively provided with an arc surface which is used for being in contact with the surface of the cable, and the arc surfaces are matched with the surface of the cable so that the arc surfaces are tightly attached to the surface of the cable. In order to improve the friction effect, in particular, the cambered surfaces of the upper pressing block 10, the middle pressing block 11 and the lower pressing block 5 are provided with anti-skid stripes 12.

During the installation, open enclosing cover 1, twist the nut to first bolt 6 and second bolt 7 the top, then promote top board 2 and well clamp plate 3 along the length direction of last slotted hole 14 and lower slotted hole 15, so that second bolt 7 breaks away from last mounting hole 8 and lower mounting hole 9, at this moment around first bolt 6 rotation top board 2 and well clamp plate 3 again, so that two cables wear to establish respectively between top board 2 and well clamp plate 3, and between well clamp plate 3 and the top board 2, the rethread nut compresses tightly, cover enclosing cover 1 can, it is comparatively convenient to operate.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A terminal turn-buckle, characterized by: comprises a first bolt (6), a second bolt (7), a nut, and an upper pressure plate (2), a middle pressure plate (3) and a lower pressure plate (4) which are arranged in sequence;

the first bolt (6) and the second bolt (7) are arranged in parallel, one end of the first bolt is fixed with the lower pressure plate (4), and the other end of the first bolt penetrates through the middle pressure plate (3) and the upper pressure plate (2) and then is locked by the nut;

a gap for a cable to pass through is reserved between the first bolt (6) and the second bolt (7), and the cable is tightly pressed between the upper pressing plate (2) and the middle pressing plate (3) and between the middle pressing plate (3) and the lower pressing plate (4).

2. A terminal turnbuckle as claimed in claim 1, wherein: an upper slotted hole (14) and an upper mounting hole (8) are formed in the upper pressing plate (2), a lower slotted hole (15) and a lower mounting hole (9) are formed in the middle pressing plate (3), the first bolt (6) penetrates through the upper slotted hole (14) and the lower slotted hole (15), and the second bolt (7) penetrates through the upper mounting hole (8) and the lower mounting hole (9);

the upper mounting hole (8) and the lower mounting hole (9) are both provided with openings at one side far away from the first bolt (6), and the length directions of the upper slotted hole (14) and the lower slotted hole (15) respectively point to the openings of the upper mounting hole (8) and the lower mounting hole (9).

3. A terminal turnbuckle as claimed in claim 1, wherein: an upper pressing block (10) is fixed on the upper pressing plate (2), a middle pressing block (11) is fixed on the middle pressing plate (3), a lower pressing block (5) is fixed on the lower pressing plate (4), and the upper pressing block (10), the middle pressing block (11) and the lower pressing block (5) are all located between the first bolt (6) and the second bolt (7);

the cable is pressed between the upper pressing block (10) and the middle pressing block (11) and between the middle pressing block (11) and the lower pressing block (5).

4. A terminal turnbuckle as claimed in claim 3, wherein: the upper pressing block (10), the middle pressing block (11) and the lower pressing block (5) are provided with cambered surfaces used for being in contact with the surface of the cable, and the cambered surfaces are matched with the surface of the cable.

5. A terminal turnbuckle according to claim 4, further comprising: the cambered surfaces of the upper pressing block (10), the middle pressing block (11) and the lower pressing block (5) are all provided with anti-skid stripes (12).

6. A terminal turnbuckle as claimed in claim 1, wherein: still include enclosing cover (1), enclosing cover (1) lock is in on top board (2), the nut is located enclosing cover (1).