CN117638722A - A cable tightener used in high-voltage power grid construction - Google Patents

Abstract

The invention belongs to the technical field of cable tightening equipment, and in particular relates to a cable tightening device used in high-voltage power grid construction, which includes a cable tightening device shell, a sliding rod, a steel wire rope, a hook, a moving pulley group, a ratchet, etc. The casing is rotatably connected with sliding rods, and the sliding rods are equipped with steel wire ropes. The casing of the cable tightener is equipped with a movable pulley block. The movable pulley set and the casing of the cable tightener are both rotatably connected with hooks. The two sliding rods are aligned with each other. The far side is rotatably connected with a ratchet. The invention is provided with two pairs of hooks through the wire tightening device, so that two adjacent wires can be tightened at the same time, reducing manual workload; and then the relative tension of the wires is dispersed through the movable pulley group, thereby allowing workers to tighten the wire rope. It saves more effort when winding, thereby reducing labor intensity and improving thread tightening efficiency.

Description

Cable tightener for high-voltage power grid construction

Technical Field

The invention belongs to the technical field of tightener equipment, and particularly relates to a cable tightener for high-voltage power grid construction.

Background

The tightener, also called ratchet tightener, is used as a tightening wire in overhead line laying construction. When in use, the steel wire rope or galvanized iron wire on the tightener is loosened and fixed on the cross arm, the wire is clamped by the wire clamping pliers, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the wire rope or galvanized wire is gradually wound on the ratchet wheel roller, so that the wire is tightened.

The Chinese patent with the patent publication number of CN113765020A discloses a chain type electric cable tightener, which comprises a wheel frame, a ratchet wheel, a rolling shaft, a pawl, an operating handle, a left hook, a guide frame, a fixed shaft, a chain, a right hook, a connecting tube, a magnet, a connecting rod, a sleeve, a stop block and a grab handle; the middle part of the wheel carrier is provided with a ratchet wheel, and the wheel carrier is connected with the ratchet wheel through a rolling shaft.

The wire tightener has the advantages that the wire is tightly tightened by fixing the other end of the hook through one end of the hook and connecting the hook with the wire, and pulling the connecting rod to drive the ratchet wheel to rotate through the pawl, so that the chain is wound on the roller, and the wire is only tightened by only one pair of hooks at a time, so that the wire tightening efficiency is lower, and the manual workload is increased; because the wire tightener does not disperse the relative tension of the wires, the tension device can make the workers more laborious when using the tension device to tighten the wires, thereby increasing the labor intensity of the workers, and wasting time and effort.

Disclosure of Invention

The invention aims to overcome the defects that the existing wire tightener only can tighten one wire at a time and the wire tightening efficiency is low, time and labor are wasted due to the fact that the relative pulling force of the wires is not dispersed, and the invention aims to provide the cable tightener for high-voltage power grid construction, which is high in wire tightening efficiency and more labor-saving.

The technical implementation scheme of the invention is as follows: the utility model provides a cable turn-buckle for high-voltage power network construction, including turn-buckle shell, slide bar and wire rope, all rotate on the turn-buckle shell and be connected with the slide bar, all be equipped with wire rope on the slide bar, still including the couple, the running block, the ratchet, the holding pawl, digital display torque wrench, rotate the shell, the dwang, all-gear and elasticity subassembly, all install the running block on the turn-buckle shell, all-rotation on running block and the turn-buckle shell is connected with the couple, two slide bars are mutually originally kept away from one side and are all-rotation connected with the ratchet, two turn-buckle shells are mutually kept away from one side and are all-rotation connected with the holding pawl that carries out spacing to adjacent ratchet, be connected with the dwang on the dwang, the swivelling is connected with the rotation shell on the dwang, the rotation shell rear portion is connected with digital display torque wrench, be equipped with elasticity subassembly on the rotation shell.

As a further preferable scheme, the elastic component comprises a sliding frame, clamping blocks and a limiting rod, the sliding frame is connected to the rotating shell in a sliding mode, the clamping blocks driving all-gear rotation are connected to two sides of the sliding frame, a reset spring is connected between the clamping blocks and the sliding frame, and the limiting rod is connected to the rear portion of the sliding frame in a sliding mode.

As a further preferred scheme, the automatic wire rope straightening device further comprises a servo motor, a rotating rod, a sliding frame and a limiting plate, wherein the sliding frame which enables the wire rope to be straightened is connected to the movable pulley block in a sliding mode, the rotating rod is connected to the upper portion of the movable pulley block in a rotating mode, the servo motor is installed on one side, away from each other, of the two movable pulley blocks, an output shaft of the servo motor is connected with the adjacent rotating rod, and the limiting plate is connected to two sides of the sliding frame in a sliding mode.

As a further preferable scheme, the wire clamping device further comprises a rotating plate, a movable plate and a torsion spring, wherein the movable pulley blocks are rotationally connected with a pair of rotating plates, the torsion springs are connected between the rotating plate and the adjacent movable pulley blocks, and a pair of movable plates capable of clamping wires are arranged between the pair of rotating plates.

As a further preferred scheme, the novel wire stretcher further comprises hexagonal blocks, screws and nuts, wherein the screws are arranged at the rotating connection positions of the movable pulley blocks on two sides and the wire stretcher shell, the nuts are connected to the screws in a threaded mode, the hexagonal blocks are connected to one sides, away from each other, of the two screws, and the hexagonal blocks are connected to the two screws in a sliding mode.

As a further preferable scheme, a round hole is formed in the rear portion of the rotary shell, and the limiting rod can be clamped into the round hole after moving backwards.

As a further preferable scheme, a limiting groove is formed in one side, close to each other, of each two adjacent movable plates, and the conducting wire is fixed in the limiting groove.

As a further preferred embodiment, the nut is a magnet, the hexagonal blocks are ferromagnetic material, and the nut attracts adjacent hexagonal blocks.

As a further preferable scheme, two clamping blocks are arranged on the inclined planes on the sides close to each other.

As a further preferable scheme, the upper parts of the sides, away from each other, of the two movable pulley blocks are all provided with hexagonal grooves, the lower parts of the sides, away from each other, of the two tightener shells are all provided with fixing grooves, and the fixing grooves are matched with the adjacent hexagonal grooves.

The invention has the following advantages: 1. according to the invention, the wire tightener is provided with two pairs of hooks, so that two adjacent wires can be simultaneously tightened, and the manual workload is reduced; the relative pulling force of the wire is dispersed through the movable pulley block, so that the labor is saved when the worker winds the steel wire rope, the labor intensity is reduced, and the wire tightening efficiency is improved.

2. According to the invention, the servo motor is controlled, so that the sliding frame drives the steel wire rope to move left and right, and the wire is straightened; the wire is placed in the limit groove, so that the wire is more conveniently fixed, and the normal wire tightening work of the wire is ensured; the direction of the movable pulley block can be adjusted by keeping away from the fixing groove and the hexagonal groove through the hexagonal block, so that the tightener has flexibility.

Drawings

Fig. 1 is a schematic diagram of the front view structure of the present invention.

FIG. 2 is a schematic view of the ratchet, pawl and wire rope components of the present invention.

FIG. 3 is a schematic diagram of the structure of the components of the steel wire rope, the sliding rod, the digital display torque wrench and the like.

FIG. 4 is a schematic diagram of the digital torque wrench, the rotating rod, the steel wire rope and other components of the invention.

Fig. 5 is a schematic structural view of the rotating rod, the sliding frame, the tightener housing and the like of the present invention.

FIG. 6 is a schematic view of the construction of the take-up assembly of the present invention.

Fig. 7 is a schematic structural view of the components such as the steel wire rope, the movable pulley block and the servo motor.

Fig. 8 is a schematic structural view of the rotating rod, the sliding frame, the limiting plate and the like.

Fig. 9 is a schematic structural view of the rotating plate, the movable plate, the limiting groove and the movable pulley block of the present invention.

Fig. 10 is a schematic structural view of the limiting groove, the torsion spring, the rotating plate and other parts of the invention.

Fig. 11 is a schematic view of the structure of the tightener housing, wire rope and hexagonal block of the present invention.

Fig. 12 is a schematic view of the structure of the screw, nut, fixing groove and the like according to the present invention.

Fig. 13 is a schematic view of the structure of the tensioner housing, the movable pulley block and the hexagonal groove of the present invention.

Reference numerals in the figures: the device comprises a 1-tightener shell, a 2-sliding rod, a 3-steel wire rope, a 4-hook, a 5-movable pulley block, a 6-ratchet wheel, a 7-locking claw, an 8-digital torque wrench, a 10-rotating shell, a 101-rotating rod and an 11-full gear;

121-a sliding frame, 123-a clamping block, 126-a limiting rod and 127-a round hole;

141-a servo motor, 142-a rotating rod, 143-a sliding frame and 144-a limiting plate;

151-a rotating plate, 152-a movable plate, 153-a limit groove and 155-a torsion spring;

161-hexagonal block, 162-screw, 163-nut, 164-fixing groove, 165-hexagonal groove.

Detailed Description

The following describes the technical scheme with reference to specific embodiments, and it should be noted that: terms indicating orientations, such as up, down, left, right, etc., are used herein only with respect to the position of the illustrated structure in the corresponding drawings. The parts themselves are numbered herein, for example: first, second, etc. are used solely to distinguish between the described objects and do not have any sequential or technical meaning. And the application is said to be as follows: connection, coupling, unless specifically stated otherwise, includes both direct and indirect connection (coupling).

Example 1: a cable turn-buckle for high-voltage power network construction, please refer to fig. 1-13, including turn-buckle shell 1, slide bar 2, wire rope 3, couple 4, running block 5, ratchet 6, dog 7, digital display torque wrench 8, rotate shell 10, rotate pole 101, all gear 11 and elasticity subassembly, all be connected with slide bar 2 on the turn-buckle shell 1, all be equipped with wire rope 3 on the slide bar 2, the running block 5 is all installed to turn-buckle shell 1 lower part, running block 5 lower part and turn-buckle shell 1 upper portion all are connected with couple 4, two slide bars 2 are all rotated to keep away from one side each other and are connected with ratchet 6, two turn-buckle shells 1 all rotate to keep away from one side each other and are connected with dog 7, dog 7 and adjacent ratchet 6 joint, be connected with rotation pole 101 between two slide bars 2, all be equipped with the convex part on the rotation pole 101 about, all have the recess with the convex part mutually supporting on the slide bar 2, please refer to fig. 6, all gear 11 on the rotation pole 101 rigid coupling has the rotation shell 10, the rotation shell 10 has the arc-shaped round hole after the rotation shell 10 is opened, the rotation shell 10 has the arc-shaped rotation shell is rotated to rotate around the round hole.

Referring to fig. 5 and 6, the elastic component includes a sliding frame 121, a clamping block 123 and a limiting rod 126, the sliding frame 121 is slidably connected to the rotating housing 10, the clamping block 123 is fixedly connected to the sliding frame 121, a return spring is fixedly connected between the clamping block 123 and the sliding frame 121, two clamping blocks 123 are disposed on one side close to each other and are inclined, so that the full gear 11 is conveniently extruded, the limiting rod 126 is slidably connected to the rear portion of the sliding frame 121, and the limiting rod 126 moves downwards and is extruded by the rotating housing 10 and is clamped into the round hole 127.

The wire tightener firstly needs to perform rope loosening operation on the steel wire rope 3, the sliding frame 121 is manually pulled firstly, so that the sliding frame 121 drives the clamping block 123 and the limiting rod 126 to move backwards together, the clamping block 123 at the front side moves backwards to be in contact with the all-gear 11, the clamping block 123 at the rear side moves backwards to press the return spring connected with the clamping block 123 to compress the return spring, then the limiting rod 126 is manually pushed downwards, the limiting rod 126 moves downwards to be pressed by the rotating shell 10 because of the arc-shaped arrangement at the rear part of the rotating shell 10, the limiting rod 126 continues to move downwards to be clamped into the round hole 127, the sliding frame 121 is further limited, at the moment, the digital display torque wrench 8 is manually rotated anticlockwise again, so that the rotating shell 10 and the sliding frame 121 rotate anticlockwise together, the clamping block 123 at the front side is driven to rotate anticlockwise by the downward rotation of the sliding frame 121, and the clamping block 123 at the front side is further pressed by the all-gear 11, the full gear 11 rotates anticlockwise, the full gear 11 drives the rotating rod 101 to rotate anticlockwise, the rotating rod 101 is provided with a convex part at the left and right sides, so that the sliding rod 2 also rotates together, the steel wire rope 3 on the sliding rod 2 is driven to loosen, the digital display torque wrench 8 is rotated clockwise, the rotating shell 10, the front clamping block 123 and the sliding frame 121 rotate clockwise together, the front clamping block 123 rotates clockwise to contact the full gear 11, the front clamping block 123 rotates clockwise due to the fact that the elasticity of the reset spring is smaller than the friction force between the front clamping block 123 and the full gear 11, the front clamping block 123 cannot drive the full gear 11 to rotate clockwise, the front clamping block 123 is extruded by the full gear 11, the front clamping block 123 moves forwards, the reset spring connected with the front clamping block 123 compresses, and when the front clamping block 123 continues to rotate clockwise to be separated from the full gear 11, the reset spring is restored to enable the front side clamping block 123 to move backwards, the digital display torque wrench 8 is manually rotated anticlockwise, the rope loosening is continuously carried out on the steel wire rope 3 on the sliding rod 2, the digital display torque wrench 8 is repeatedly rotated to enable the steel wire rope 3 to be fully loosened, after the rope loosening is finished, one side of the hooks 4 is fixed, the other side of the hooks 4 is connected with the wires, due to the two pairs of hooks 4, two adjacent wires can be simultaneously tightened, the wire tightening efficiency is improved, the manual workload is reduced, the digital display torque wrench 8 is manually rotated clockwise, the rotating shell 10 and the sliding frame 121 are rotated clockwise together, the sliding frame 121 is rotated clockwise to enable the rear side clamping block 123 to be rotated clockwise together, the rear side clamping block 123 is further extruded to enable the whole gear 11 to rotate clockwise, the clockwise rotation of the all-gear 11 drives the rotating rod 101 to rotate together clockwise, so that the sliding rod 2 also rotates together, the steel wire rope 3 on the sliding rod 2 is driven to wind, the steel wire rope 3 pulls the movable pulley block 5, the wire is pulled through the movable pulley block 5, the wire is further tightened, the relative pulling force of the wire is dispersed through the movable pulley block 5, further, the labor is saved when a worker winds the steel wire rope 3, the labor intensity is reduced, when the digital torque wrench 8 is manually rotated upwards, the rotating shell 10, the sliding frame 121 and the rear side clamping block 123 are driven to rotate together anticlockwise, the rear side clamping block 123 rotates anticlockwise, the all-gear 11 is extruded, the rear side clamping block 123 is limited by the inclined surface arranged at the front part because of the rear side clamping block 123 and the locking claw 7 limits the ratchet 6, the rear side clamping block 123 moves backwards, and the reset spring connected with the rear side clamping block 123 is compressed, when the rear side fixture block 123 is not extruded any more by the all-gear 11, the reset spring is restored, the rear side fixture block 123 moves forwards to reset, the digital display torque wrench 8 is manually rotated downwards at the moment, the steel wire rope 3 is continuously wound in the same way, the steel wire rope 3 is continuously wound through the digital display torque wrench 8, the effect of wire tightening is guaranteed, and after the wire tightening is completed, the wire tightener is taken down. If two wires do not need to be tightened at the same time, the sliding rod 2 is pulled manually, so that the groove of the sliding rod 2 at one side is separated from the convex part on the rotating rod 101.

Example 2: on the basis of embodiment 1, please refer to fig. 1, 7 and 8, further comprising a servo motor 141, a rotating rod 142, a sliding frame 143 and a limiting plate 144, wherein the front part of the movable pulley block 5 is connected with the sliding frame 143 in a sliding manner, the upper part of the movable pulley block 5 is connected with the rotating rod 142 in a rotating manner, the rotating rod 142 is provided with a sliding groove, the sliding frame 143 slides in the sliding groove of the adjacent rotating rod 142, one far away side of the two movable pulley blocks 5 is respectively connected with the servo motor 141 in a bolting manner, an output shaft of the servo motor 141 is connected with the adjacent rotating rod 142, and two sides of the sliding frame 143 are respectively connected with the limiting plate 144 in a sliding manner.

Before the wire is tightly wound, the wire rope 3 is clamped between the limiting plates 144 on the sliding frame 143, and then the servo motor 141 is controlled, so that the output shaft of the servo motor 141 drives the rotating rod 142 to rotate, and the sliding frame 143 slides in the sliding groove, so that the wire is straightened.

Referring to fig. 1, 9 and 10, the wire-guiding device further comprises a rotating plate 151, a movable plate 152 and a torsion spring 155, wherein the lower parts of the movable pulley blocks 5 are respectively and rotatably connected with a pair of rotating plates 151, the torsion springs 155 are respectively and fixedly connected between the rotating plates 151 and the adjacent movable pulley blocks 5, a pair of movable plates 152 are arranged between the rotating plates 151, limit grooves 153 are respectively formed in one sides, close to each other, of the adjacent movable plates 152, and wires are fixed in the limit grooves 153.

The rotating plate 151 is manually rotated, the torsion spring 155 deforms, and then the two movable plates 152 are separated from each other, so that a wire can be placed in the limiting groove 153, the rotating plate 151 is loosened again, the torsion spring 155 is restored, and then the rotating plate 151 clamps and fixes the wire in the limiting groove 153, so that the wire fixing device is more convenient than the hook 4.

Referring to fig. 1, fig. 2, fig. 11, fig. 12 and fig. 13, the device further comprises a hexagonal block 161, screws 162 and nuts 163, the screws 162 are arranged at the rotating connection positions of the movable pulley blocks 5 and the tightener housing 1 on two sides, the screws 162 are connected with the nuts 163 in a threaded manner, the hexagonal block 161 is fixedly connected to one side of each of the two screws 162, which is far away from each other, the hexagonal block 161 is further connected to the two screws 162 in a sliding manner, the nuts 163 are arranged as magnets, the hexagonal block 161 is made of ferromagnetic materials, the nuts 163 attract the adjacent hexagonal blocks 161, the hexagonal grooves 165 are formed in the upper parts of one side, which is far away from each other, of the two movable pulley blocks 5, the fixing grooves 164 are formed in the lower parts of one side, which is far away from each other, of the two tightener housings 1 are mutually matched with the adjacent hexagonal grooves 165, and the hexagonal blocks 161 are arranged in the hexagonal grooves 165 or the fixing grooves 164.

Manually rotate the screw 162 for two screws 162 are to the direction that is close to each other on nut 163, because nut 163 is the magnet setting and hexagon 161 is ferromagnetic material, nut 163 motion and then can drive two hexagon 161 in the middle and move together, and then make two hexagon 161 in the middle keep away from fixed slot 164, then promote nut 163 again, make two nuts 163 move in the direction that is kept away from each other, and then drive two hexagon 161 in both sides to move in the direction that is kept away from each other, thereby make two hexagon 161 in both sides all break away from hexagon slot 165, then manually rotate movable pulley block 5, and then can adjust movable pulley block 5's direction, thereby make the turn-buckle more nimble, make two nuts 163 move in the direction that is close to each other after finishing rotating, and then drive two hexagon 161 in both sides to move in the direction that is close to each other, hexagon 161 in both sides can block into adjacent hexagon slot 165, then the screw 162 is rotated again, make two hexagon 161 in the middle of drive the direction that is kept away from each other move into adjacent fixed slot 164, and then fix movable pulley block 5 direction.

While the disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (10)

1. The utility model provides a cable turn-buckle for high-voltage power network construction, including turn-buckle shell (1), slide bar (2) and wire rope (3), all rotationally be connected with slide bar (2) on turn-buckle shell (1), all be equipped with wire rope (3) on slide bar (2), a serial communication port, still including couple (4), running block (5), ratchet (6), holding pawl (7), digital display torque wrench (8), rotate shell (10), dwang (101), all-gear (11) and elastic component, all install running block (5) on turn-buckle shell (1), all rotate on running block (5) and the turn-buckle shell (1) and be connected with couple (4), all-rotation type is connected with ratchet (6) on one side is kept away from mutually to two slide bar (2), all-rotation type is connected with holding pawl (7) spacing to adjacent ratchet (6) on one side each other, be connected with dwang (101) between two slide bar (2), all-rotation type is connected with rotary wrench (10) on rotating shell (101), an elastic component is arranged on the rotary shell (10).

2. The cable tightener for high-voltage power network construction according to claim 1, wherein the tightening assembly comprises a sliding frame (121), clamping blocks (123) and a limiting rod (126), the sliding frame (121) is connected to the rotating shell (10) in a sliding mode, the clamping blocks (123) for driving the all-gear (11) to rotate are connected to two sides of the sliding frame (121), return springs are connected between the clamping blocks (123) and the sliding frame (121), and the limiting rod (126) is connected to the rear portion of the sliding frame (121) in a sliding mode.

3. The cable tightener for high-voltage power grid construction according to claim 2, further comprising a servo motor (141), a rotating rod (142), a sliding frame (143) and a limiting plate (144), wherein the sliding frame (143) for straightening the steel wire rope (3) is connected to the movable pulley block (5) in a sliding mode, the rotating rod (142) is connected to the upper portion of the movable pulley block (5) in a rotating mode, the servo motor (141) is arranged on one side, away from each other, of the two movable pulley blocks (5), an output shaft of the servo motor (141) is connected with the adjacent rotating rod (142), and the limiting plate (144) is connected to two sides of the sliding frame (143) in a sliding mode.

4. A cable tightener for high-voltage power network construction according to claim 3, further comprising a rotating plate (151), a movable plate (152) and a torsion spring (155), wherein the movable pulley blocks (5) are rotationally connected with a pair of rotating plates (151), the torsion springs (155) are respectively connected between the rotating plates (151) and the adjacent movable pulley blocks (5), and a pair of movable plates (152) capable of clamping wires are arranged between the pair of rotating plates (151).

5. The cable tightener for high-voltage power grid construction according to claim 4, further comprising a hexagonal block (161), screws (162) and nuts (163), wherein the screws (162) are arranged at the rotary connection positions of the movable pulley blocks (5) on two sides and the tightener shell (1), the screws (162) are connected with the nuts (163) in a threaded manner, the hexagonal blocks (161) are connected on one far away side of the two screws (162), and the hexagonal blocks (161) are connected on the two screws (162) in a sliding manner.

6. The cable tightener for high-voltage power network construction according to claim 5, wherein the rear part of the rotary housing (10) is provided with a round hole (127), and the limiting rod (126) can be clamped into the round hole (127) when moving backwards.

7. The cable tightener for high-voltage power network construction according to claim 6, wherein a limiting groove (153) is formed on one side of each of two adjacent movable plates (152) close to each other, and the wire is fixed in the limiting groove (153).

8. A cable tensioner for high voltage network construction according to claim 7, characterized in that the nut (163) is a magnet, the hexagonal blocks (161) are of ferromagnetic material, and the nut (163) attracts adjacent hexagonal blocks (161).

9. The cable tightener for high-voltage power network construction according to claim 8, wherein two clamping blocks (123) are arranged on one side close to each other in an inclined plane.

10. The cable tightener for high-voltage power network construction according to claim 9, wherein the upper parts of the sides of the two movable pulley blocks (5) which are far away from each other are respectively provided with a hexagonal groove (165), the lower parts of the sides of the two tightener shells (1) which are far away from each other are respectively provided with a fixed groove (164), and the fixed grooves (164) are mutually matched with the adjacent hexagonal grooves (165).