Connecting fitting for cable tensioning

Abstract

The utility model relates to the field of cable erection, in particular to a connecting fitting for cable tensioning, which comprises a box body, a box cover connected to the bottom surface of the box body through bolts, a clamping plate connected to the side wall of the left end of the box body, a first rotating shaft rotatably inserted in the box body, and a turntable fixed at one end, exposed outside the box body, of the first rotating shaft, the outer side of the first rotating shaft is fixedly sleeved with a driving gear, the lower end of the driving gear is meshed with a driven gear, the ends, away from each other, of the driving gear and the driven gear are meshed with racks, the racks penetrate through the side wall of the box body and extend to the outer side of the box body, and insulators are fixed to the ends, exposed out of the box body, of the racks. The connecting fitting has the advantages that the rack is arranged, the length of the portion, extending out of the box body, of the rack can be adjusted by rotating the rotating disc, connection is convenient, after connection is finished, the rotating disc is rotated, the length of the portion, extending out of the box body, of the rack is adjusted, and the cable is tensioned.

Description

Technical Field

[0001] The utility model relates to the field of cable installation, in particular to a connecting hardware used for cable tensioning. Background Art

[0002] The hardware that connects insulators, suspension clamps, tension clamps and protective hardware into a suspension or tension string is called a connecting hardware. Some transmission cables need to be tensioned by connecting hardware during installation.

[0003] One end of the existing connecting hardware is connected to the cable, and the other end is fixed on the pole, so that the cable is tensioned and erected.

[0004] However, the length of the connecting fitting is fixed, and the operation is laborious and inconvenient during connection. Therefore, the utility model proposes a connecting fitting for cable tensioning to solve the above-mentioned problem. Utility Model Content

[0005] The purpose of the utility model is to provide a connection fitting for cable tensioning to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connecting hardware for cable tensioning, comprising a box body, a box cover connected to the bottom surface of the box body by bolts, a clamping plate connected to the side wall at the left end of the box body, a first rotating shaft rotatably plugged inside the box body, the first rotating shaft extends through the side wall of the box body to the outside of the box body, a turntable is fixed to the end of the first rotating shaft exposed outside the box body, a driving gear is fixedly sleeved on the outside of the first rotating shaft, a driven gear is meshed at the lower end of the driving gear, a rack is meshed at the ends of the driving gear and the driven gear that are away from each other, the rack extends through the side wall of the box body to the outside of the box body, and an insulator is fixed to the end of the rack exposed outside the box body.

[0007] Preferably, a first bearing is fixed to one end of the first rotating shaft inserted into the box body, the inner ring of the first bearing is fixed to the first rotating shaft, the outer ring of the first bearing is fixed to the inner wall of the box body, a second rotating shaft is fixed to the side wall of the driven gear, a second bearing is fixed to the end of the second rotating shaft away from the driven gear, the inner ring of the second bearing is fixed to the second rotating shaft, and the outer ring of the second bearing is fixed to the inner wall of the box body.

[0008] Preferably, the racks are provided with two groups, and the side walls of the two groups of racks are fixed with sliding bars, the sliding bars are in the shape of a "convex" character, the sliding bars slide along the sliding grooves, the sliding grooves are in the shape of a "convex" character, one group of the sliding grooves is opened on the top of the inner wall of the box body, and the remaining group of sliding grooves is opened on the top surface of the box cover, and a connecting plate is fixed to the end of the rack exposed on the outside of the box body, and an insulator is fixed to the end of the connecting plate away from the rack.

[0009] Preferably, multiple groups of springs are fixed to one end of the turntable away from the first rotating shaft. The multiple groups of springs are circumferentially distributed. One end of each spring is connected to the side wall of the turntable, and the other end of each spring is connected to a baffle. Eight groups of limiting rods are fixed to the end of the baffle close to the turntable. Limiting grooves are provided at the corresponding positions of the side wall of the box body and the limiting rods. The limiting rods penetrate through the turntable and extend into the limiting grooves.

[0010] Preferably, multiple groups of bumps are fixed to the side wall of the turntable. The multiple groups of bumps are circumferentially distributed. A fixing rod is fixed to the side wall of one of the bumps. The cross-section of the fixing rod is in a "T" shape. A limiting block is movably sleeved outside the fixing rod. The thickness of the limiting block is greater than the sum of the length of the limiting rod inserted into the limiting groove and the distance between the turntable and the baffle.

[0011] Preferably, a connecting rod is fixed to the side wall of the box body. A connecting column is fixed to the end of the connecting rod away from the box body. The cross-section of the connecting column is in a "T" shape. A clamping plate is movably sleeved outside the connecting column. The clamping plate is in a "匚"-shaped plate structure. A fastening bolt is screwed between the two parallel side plates of the clamping plate.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The connecting fitting for cable tensioning proposed by the present utility model is provided with a rack. Rotating the turntable can adjust the length of the rack extending out of the box body, which is convenient for connection. After the connection is completed, rotate the turntable to adjust the length of the rack extending out of the box body to tension the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic connection structure diagram of the rack in the present utility model;

[0016] Figure 3 is Figure 2 an enlarged schematic view of the structure at A in

[0017] Figure 4 is a left sectional view of the present utility model;

[0018] Figure 5 is Figure 4 an enlarged schematic view of the structure at B in

[0019] In the figure: 1 box body, 2 box cover, 3 first rotating shaft, 4 first bearing, 5 driven gear, 6 second rotating shaft, 7 second bearing, 8 rack, 9 sliding bar, 10 sliding groove, 11 connecting plate, 12 insulator, 13 turntable, 14 spring, 15 baffle, 16 limiting rod, 17 limiting groove, 18 bump, 19 fixing rod, 20 limiting block, 21 connecting rod, 22 connecting column, 23 clamping plate, 24 fastening bolt, 25 driving gear. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: a connecting hardware for cable tensioning, comprising a box body 1, a box cover 2 is connected to the bottom surface of the box body 1 by bolts, a clamping plate 23 is connected to the side wall of the left end of the box body 1, a first rotating shaft 3 is rotatably inserted inside the box body 1, the first rotating shaft 3 passes through the side wall of the box body 1 and extends to the outside of the box body 1, a turntable 13 is fixed to the end of the first rotating shaft 3 exposed to the outside of the box body 1, a driving gear 25 is fixedly sleeved on the outside of the first rotating shaft 3, a driven gear 5 is meshed with the lower end of the driving gear 25, and the ends of the driving gear 25 and the driven gear 5 away from each other are meshed with a rack 8, the rack 8 passes through the side wall of the box body 1 and extends to the outside of the box body 1, and an insulator 12 is fixed to the end of the rack 8 exposed to the outside of the box body 1; the connecting hardware for cable tensioning proposed by the utility model is provided with a rack 8, and the rotating turntable 13 can be rotated to adjust the length of the rack 8 extending out of the box body, which is convenient for connection. When the connection is completed, the turntable 13 is rotated to adjust the length of the rack 8 extending out of the box body to tension the cable.

[0023] Embodiment 2

[0024] On the basis of Embodiment 1, in order to adjust the position of the rack 8, a first bearing 4 is fixed at one end of the first rotating shaft 3 inserted inside the box body 1. The inner ring of the first bearing 4 is fixed to the first rotating shaft 3, and the outer ring of the first bearing 4 is fixed to the inner wall of the box body 1. A second rotating shaft 6 is fixed to the side wall of the driven gear 5. A second bearing 7 is fixed at one end of the second rotating shaft 6 away from the driven gear 5. The inner ring of the second bearing 7 is fixed to the second rotating shaft 6, and the outer ring of the second bearing 7 is fixed to the inner wall of the box body 1. There are two groups of racks 8, and sliding bars 9 are fixed to the side walls of both groups of racks 8. The sliding bars 9 are in a "convex" shape, and the sliding bars 9 slide along the sliding grooves 10. The sliding grooves 10 are in a "convex" shape. One group of the sliding grooves 10 is opened at the top of the inner wall of the box body 1, and the remaining group of the sliding grooves 10 is opened on the top surface of the box cover 2. One end of the rack 8 exposed outside the box body 1 is fixed with a connecting plate 11, and an insulator 12 is fixed at one end of the connecting plate 11 away from the rack 8. A connecting rod 21 is fixed to the side wall of the box body 1. A connecting column 22 is fixed at one end of the connecting rod 21 away from the box body 1. The cross section of the connecting column 22 is in a "T" shape. A clamping plate 23 is movably sleeved outside the connecting column 22. The clamping plate 23 is in a "C"-shaped plate structure, and a fastening bolt 24 is screwed between two parallel side plates of the clamping plate 23.

[0025] Rotate the turntable 13. The turntable 13 drives the driving gear 25 to rotate. The driving gear 25 drives the driven gear 5 to rotate. The upper and lower two groups of racks 8 move as the driving gear 25 and the driven gear 5 rotate. At this time, the rack 8 moves along the direction of the sliding groove 10. Before connection, move the rack 8 out of the box body 1, then connect the cable to the insulator 12, fix the clamping plate 23 on the electric pole through the fastening bolt 24. After the connection is completed, rotate the turntable 13 and move the rack 8 into the box body 1 until the cable is tightened.

[0026] Embodiment 3

[0027] On the basis of Embodiment 2, in order to fix the turntable 13, multiple groups of springs 14 are fixed at one end of the turntable 13 away from the first rotating shaft 3. The multiple groups of springs 14 are distributed in a circular pattern. One end of the spring 14 is connected to the side wall of the turntable 13, and the other end of the spring 14 is connected to a baffle 15. Eight groups of limiting rods 16 are fixed at one end of the baffle 15 close to the turntable 13. Limiting grooves 17 are opened at positions corresponding to the limiting rods 16 on the side wall of the box body 1. The limiting rods 16 penetrate through the turntable 13 and extend into the limiting grooves 17. Multiple groups of protrusions 18 are fixed to the side wall of the turntable 13. The multiple groups of protrusions 18 are distributed in a circular pattern. A fixing rod 19 is fixed to the side wall of one group of the protrusions 18. The cross section of the fixing rod 19 is in a "T" shape. A limiting block 20 is movably sleeved outside the fixing rod 19. The thickness of the limiting block 20 is greater than the sum of the length of the limiting rod 16 inserted into the limiting groove 17 and the distance between the turntable 13 and the baffle 15.

[0028] When it is necessary to rotate the turntable 13, pull the baffle 15 with one hand and rotate the limit block 20 around the fixing rod 19 with the other hand, insert the limit block 20 between the turntable 13 and the baffle 15, and then release the baffle 15. At this time, the spring 14 is stretched, the limit rod 16 is pulled out of the limit groove 17, and then the protrusion 18 is rotated to realize the rotation of the turntable 13; when the cable is tensioned, the limit block 20 is rotated to pull the limit block 20 out from between the turntable 13 and the baffle 15, the spring 14 returns to its original state, and drives the baffle 15 to move, so that the limit rod 16 is reinserted into the limit groove 17 to fix the turntable 13.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connection fitting for cable tensioning, comprising a box body (1), characterized in that: The bottom surface of the box body (1) is connected to a box cover (2) by bolts, and a clamping plate (23) is connected to the left side wall of the box body (1). A first rotating shaft (3) is rotatably inserted inside the box body (1), and the first rotating shaft (3) passes through the side wall of the box body (1) and extends to the outside of the box body (1). A rotating disk (13) is fixed to the end of the first rotating shaft (3) exposed outside the box body (1). A driving gear (25) is fixedly sleeved on the outside of the first rotating shaft (3), and a driven gear (5) is meshed at the lower end of the driving gear (25). A rack (8) is meshed at the ends of the driving gear (25) and the driven gear (5) that are away from each other. The rack (8) passes through the side wall of the box body (1) and extends to the outside of the box body (1). An insulator (12) is fixed to the end of the rack (8) exposed outside the box body (1).

2. The connecting fitting for cable tensioning according to claim 1, characterized in that: A first bearing (4) is fixed to one end of the first rotating shaft (3) inserted into the box body (1), the inner ring of the first bearing (4) is fixed to the first rotating shaft (3), the outer ring of the first bearing (4) is fixed to the inner wall of the box body (1), a second rotating shaft (6) is fixed to the side wall of the driven gear (5), a second bearing (7) is fixed to the end of the second rotating shaft (6) away from the driven gear (5), the inner ring of the second bearing (7) is fixed to the second rotating shaft (6), and the outer ring of the second bearing (7) is fixed to the inner wall of the box body (1).

3. The connecting fitting for cable tensioning according to claim 1, characterized in that: The rack (8) is provided with two groups, and the side walls of the two groups of racks (8) are fixed with sliding bars (9), the sliding bars (9) are in a "convex" shape, the sliding bars (9) slide along the sliding grooves (10), and the sliding grooves (10) are in a "convex" shape. One group of the sliding grooves (10) is opened on the top of the inner wall of the box body (1), and the remaining group of sliding grooves (10) is opened on the top surface of the box cover (2). A connecting plate (11) is fixed to one end of the rack (8) exposed outside the box body (1), and an insulator (12) is fixed to one end of the connecting plate (11) away from the rack (8).

4. The connecting fitting for cable tensioning according to claim 1, characterized in that: A plurality of groups of springs (14) are fixed to one end of the rotating disk (13) away from the first rotating shaft (3), and the plurality of groups of springs (14) are distributed in a circumferential manner. One end of the spring (14) is connected to the side wall of the rotating disk (13), and the other end of the spring (14) is connected to a baffle (15). Eight groups of limiting rods (16) are fixed to one end of the baffle (15) close to the rotating disk (13). A limiting groove (17) is provided at a position of the side wall of the box body (1) corresponding to the limiting rod (16), and the limiting rod (16) passes through the rotating disk (13) and extends into the limiting groove (17).

5. The connecting fitting for cable tensioning according to claim 1, characterized in that: The side wall of the rotating disk (13) is fixed with a plurality of groups of protrusions (18), which are distributed in a circumference. A fixing rod (19) is fixed to the side wall of one group of protrusions (18), and the fixing rod (19) has a "T"-shaped cross section. A limiting block (20) is movably sleeved on the outer side of the fixing rod (19), and the thickness of the limiting block (20) is greater than the sum of the length of the limiting rod (16) inserted into the limiting groove (17) and the distance between the rotating disk (13) and the baffle (15).

6. The connecting fitting for cable tensioning according to claim 1, characterized in that: A connecting rod (21) is fixed to the side wall of the box body (1). One end of the connecting rod (21) far from the box body (1) is fixed with a connecting column (22). The cross-section of the connecting column (22) is in a "T" shape. A clamping plate (23) is movably sleeved outside the connecting column (22). The clamping plate (23) is in a "C"-shaped plate structure. A fastening bolt (24) is screwed between two parallel side plates of the clamping plate (23).

Images