CN223079637U - A tensioner for power line installation - Google Patents

Abstract

The utility model relates to the technical field of power line installation, specifically a tensioner for power line installation, comprising a device body, the device body comprising a hook seat, the inner side of the hook seat being movably connected with a hook; the surface of the hook seat is provided with a tightening mechanism, the tightening mechanism comprising a first connecting plate, the first connecting plate being provided on the surface of the hook seat, the inner side of the first connecting plate being provided with a movable groove, the inner side of the movable groove being movably connected with a forward and reverse screw. The utility model drives the forward and reverse screws to rotate by the operation of a motor, so that the movement of the moving block can drive the movable rod to move, and then the second connecting plate can drive the two groups of hooks to move closer to and away from each other, so as to achieve the tightening of the cable, so that in the process of power line installation, there is no need to manually pull the wrench, which can reduce manpower consumption, and at the same time can ensure the speed of cable tightening, which is conducive to improving the overall efficiency of power line installation.

Description

Tightener for power line installation

Technical Field

The utility model relates to the technical field of power line installation, in particular to a tightener for power line installation.

Background

The power lines are the main components of the power grid for the power generation plant to deliver power to the power load centers and for the interconnections between the load centers. A tightener, also called a ratchet tightener, is a tool used for tightening a wire in overhead line laying construction. It mainly comprises steel wire rope or galvanized iron wire, wire clamping pliers, special spanner, ratchet drum and other parts. When the ratchet wheel is used, the wire rope or the galvanized wire is firstly loosened and fixed on the cross arm, the wire is clamped by the wire clamping pliers, and then the wire rope or the galvanized wire is gradually wound on the ratchet wheel roller by pulling the special spanner and utilizing the anti-reversion function of the pawl, so that the wire is tightened. The tightener is widely applied to a plurality of industries such as buildings, highways, bridges, electric power and the like, and is designed to improve the construction efficiency, lighten the labor burden and ensure the accuracy and the safety of wire tensioning. In order to tension the conductors or cables in the overhead line to a prescribed sag and tension when the power line installation is performed, tighteners are typically used. Through the use of turn-buckle, can prevent that the wire from because of the too big of swing that factors such as wind-force, gravity arouse to can reduce the risk of wire and other object contact, improve the security of circuit, help keeping the steady state of wire simultaneously, can avoid vibration and the swing that arouse because of external factor, be favorable to prolonging the life of circuit.

In the prior art, when the wire stretcher is used, in order to tighten a cable, a wrench on the wire stretcher is manually pulled, so that a wire rope or a galvanized wire is wound on a ratchet drum by utilizing the anti-reversion function of a pawl, and further, the wire stretcher for installing the power line is provided for solving the problems because the manual pulling mode needs to be repeatedly operated in the tightening process, so that labor is relatively consumed, the operation is relatively inconvenient, the tightening speed can not be well improved, and the overall efficiency of installing the power line is improved.

Disclosure of utility model

The utility model aims to provide a tightener for installing an electric power line, which solves the problems that the manual pulling mode in the background art needs to be repeatedly operated in the tightening process, so that the labor is more consumed, the operation is more inconvenient, the tightening speed cannot be improved well, and the overall efficiency of the electric power line installation is improved.

In order to achieve the purpose, the utility model provides the technical scheme that the tightener for installing the power line comprises a tightener body, wherein the tightener body comprises a hook seat, and a hook is movably connected to the inner side of the hook seat;

The surface of hook seat is provided with tightening mechanism, tightening mechanism includes first connecting plate, first connecting plate sets up the surface at the hook seat, and the movable groove has been seted up to the inboard of first connecting plate, the inboard swing joint in movable groove has positive and negative screw rod, positive and negative screw rod and first connecting plate swing joint, the fixed surface of first connecting plate installs the motor, positive and negative screw rod and the output fixed connection of motor, the surface threaded connection of positive and negative screw rod has the movable block, the surface swing joint of movable block has the movable rod, the surface swing joint of movable rod has the second connecting plate.

Preferably, the tightening mechanism further comprises a limiting block, the limiting block is fixedly connected to the surface of the moving block, a limiting groove is formed in the inner wall of the movable groove, one end of the limiting block is fixedly connected with the moving block, and the other end of the limiting block is movably connected with the limiting groove.

Preferably, the moving blocks are two groups of the surfaces of the positive and negative screws and are movably connected, and the moving blocks are movably arranged on the inner sides of the movable grooves.

Preferably, one end of the movable rod is movably connected with the movable block through a rotating shaft, and the other end of the movable rod is movably connected with the second connecting plate through the rotating shaft.

Preferably, the surface of hook seat is provided with protection machanism, protection machanism includes the connecting rod, connecting rod fixed connection is at the surface of hook seat, the one end fixedly connected with connecting block of hook seat is kept away from to the connecting rod, the fixed surface of connecting block is connected with the dead lever, the inner wall fixedly connected with spring of dead lever, the one end fixedly connected with telescopic link of dead lever is kept away from to the spring.

Preferably, the connecting rod swing joint is in the inboard of second connecting plate, telescopic link swing joint is in the inboard of dead lever, the one end and the second connecting plate fixed connection of spring are kept away from to the telescopic link.

Compared with the prior art, the utility model has the beneficial effects that:

1. The positive and negative screw rod is driven to rotate through motor operation, so that the movable block moves to drive the movable rod to move, and then the second connecting plate can drive the two groups of hanging hooks to be close to and away from each other, so that tightening of the cable can be realized, the wrench is not required to be manually pulled in the process of installing the power line, the manpower consumption can be reduced, and meanwhile, the tightening speed of the cable can be guaranteed, so that the integral efficiency of the installation of the power line is improved.

2. Through the setting of dead lever and telescopic link for when tight line, the connecting rod can be in the inboard stable activity of second connecting plate, and then can ensure the stability of couple, through the setting of spring, can play certain cushioning effect when tightening up simultaneously, impact force and the pulling force that produce when can alleviate tight line, thereby can protect hook seat and couple not receive the damage, be favorable to guaranteeing the life of turn-buckle.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic side-view exploded view of the structure of the present utility model;

FIG. 3 is a schematic exploded view in elevation of the structure of the first connecting plate and the moving block of the present utility model;

FIG. 4 is a schematic side-view, cross-sectional, exploded view of the structure of the moving block and the limiting groove of the present utility model;

fig. 5 is a schematic side-sectional exploded view of the structure of the connecting rod and the fixing rod of the present utility model.

In the figure, 1, a hook seat; 11, a hook, 2, a first connecting plate, 21, a movable groove, 22, a positive and negative screw rod, 23, a motor, 24, a moving block, 25, a movable rod, 26, a second connecting plate, 27, a limiting block, 28, a limiting groove, 3, a connecting rod, 31, a connecting block, 32, a fixed rod, 33, a spring, 34 and a telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided:

The utility model provides a turn-buckle for power line installation, includes the ware body, and the ware body includes hook seat 1, and hook seat 1's inboard swing joint has couple 11, through hook seat 1's setting for couple 11 can be movable, through hanging couple 11 on the angle steel of cross arm or other fixed points, can ensure that the turn-buckle can keep stable in the use, be difficult for droing or remove;

The surface of hook seat 1 is provided with tightening mechanism, tightening mechanism includes first connecting plate 2, first connecting plate 2 sets up the surface at hook seat 1, movable groove 21 has been seted up to the inboard of first connecting plate 2, the inboard swing joint of movable groove 21 has positive and negative screw rod 22, positive and negative screw rod 22 and first connecting plate 2 swing joint, the fixed surface of first connecting plate 2 installs motor 23, positive and negative screw rod 22 and motor 23's output fixed connection, positive and negative screw rod 22's surface threaded connection has movable block 24, movable rod 25's surface swing joint has movable rod 25, movable rod 25's surface swing joint has second connecting plate 26, through the rotation of positive and negative screw rod 22, can drive movable block 24 and remove, and then movable rod 25 moves and drives second connecting plate 26 activity, and then can control the distance between two couples 11, make it comparatively convenient to tighten up the cable, need not manual operation.

Further, tightening mechanism still includes stopper 27, stopper 27 fixed connection at the surface of movable block 24, and limit groove 28 has been seted up to the inner wall of movable groove 21, and stopper 27's one end and movable block 24 fixed connection, stopper 27's the other end and limit groove 28 swing joint, through stopper 27 and limit groove 28's cooperation, can carry out the spacing to movable block 24, can avoid movable block 24 to take place the skew under positive and negative screw 22's effect, the stable removal of movable block 24 of being convenient for.

Further, the movable block 24 is two groups of movably connected to the surface of the positive and negative screw 22, the movable block 24 is movably arranged on the inner side of the movable groove 21, and the movable rod 25 can move through the rotating shaft under the action of the movable block 24, so that the second connecting plate 26 can vertically move, and the distance between the two groups of hooks 11 can be conveniently adjusted.

Further, one end of the movable rod 25 is movably connected with the movable block 24 through a rotating shaft, the other end of the movable rod 25 is movably connected with the second connecting plate 26 through the rotating shaft, and the movable block 24 is connected with the second connecting plate 26 through the movable rod 25, so that when the movable block 24 moves, the movable rod 25 can drive the second connecting plate 26 to move along with the movable rod, and further, the two groups of second connecting plates 26 can be mutually close to and far away from each other, and the cable is conveniently tensioned through the hooks 11.

Further, the surface of hook seat 1 is provided with protection machanism, protection machanism includes connecting rod 3, connecting rod 3 fixed connection is at the surface of hook seat 1, connecting rod 3 is kept away from the one end fixedly connected with connecting block 31 of hook seat 1, the fixed surface of connecting block 31 is connected with dead lever 32, the inner wall fixedly connected with spring 33 of dead lever 32, the one end fixedly connected with telescopic link 34 of dead lever 32 is kept away from to spring 33, through the setting of spring 33, telescopic link 34 can take place the activity in the inboard of dead lever 32 when tight line, and can realize spring 33 takes place deformation, the setting of spring 33 can play the cushioning effect, the impact force that produces when tight line can be alleviateed, hook seat 1 and couple 11 can be protected and the damage is not received.

Further, connecting rod 3 swing joint is in the inboard of second connecting plate 26, and telescopic link 34 swing joint is in the inboard of dead lever 32, and the one end and the second connecting plate 26 fixed connection of spring 33 are kept away from to telescopic link 34 for in-process at the tight line, connecting rod 3 and connecting block 31 can be stable move about through being connected telescopic link 34 and second connecting plate 26.

When the electric power lifting device is used, the motor 23 is electrically connected by an external power supply, a worker starts the motor 23 through a press switch, the motor 23 runs to drive the positive and negative screw 22 to rotate, the moving block 24 is limited by the limiting block 27 and the limiting groove 28, and can move on the inner side of the movable groove 21 under the action of the positive and negative screw 22, so that the limiting block 27 slides on the surface of the limiting groove 28, the movable rod 25 moves through the rotating shaft, the second connecting plate 26 can drive the hook seat 1 and the hook 11 to vertically move, the distance between the hooks 11 is changed, and the tightening of cables can be realized;

When the cable is tightened through the hook 11, the hook 11 is pulled to enable the connecting rod 3 to move on the inner side of the second connecting plate 26, and then the connecting block 31 enables the fixing rod 32 to move on the surface of the telescopic rod 34 under the action of the connecting rod 3, so that the spring 33 deforms, impact force and pulling force generated during tightening can be relieved through the action of the spring 33, and damage to the hook seat 1 and the hook 11 can be reduced.

The present utility model is not limited to the preferred embodiments, and can be smoothly implemented by those skilled in the art as shown in the drawings and described above, but equivalent changes, modifications and variations of the present utility model can be made by those skilled in the art without departing from the technical scope of the present utility model, and at the same time, any equivalent changes, modifications and variations of the above embodiments according to the essential technology of the present utility model are still within the scope of the technical scheme of the present utility model.

Claims (6)

1. A tensioner for installing a power line, comprising a device body, the device body comprising a hook seat (1), the inner side of the hook seat (1) being movably connected with a hook (11); The invention is characterized in that a tightening mechanism is arranged on the surface of the hook seat (1), and the tightening mechanism comprises a first connecting plate (2), the first connecting plate (2) is arranged on the surface of the hook seat (1), a movable groove (21) is opened on the inner side of the first connecting plate (2), a forward and reverse screw rod (22) is movably connected to the inner side of the movable groove (21), the forward and reverse screw rod (22) and the first connecting plate (2) are movably connected, a motor (23) is fixedly installed on the surface of the first connecting plate (2), the forward and reverse screw rod (22) and the output end of the motor (23) are fixedly connected, a moving block (24) is threadedly connected to the surface of the moving block (24), a movable rod (25) is movably connected to the surface of the movable rod (25), and a second connecting plate (26) is movably connected to the surface of the movable rod (25). 2. A tensioner for installing a power line according to claim 1, characterized in that: the tightening mechanism also includes a limit block (27), the limit block (27) is fixedly connected to the surface of the movable block (24), the inner wall of the movable groove (21) is provided with a limit groove (28), one end of the limit block (27) is fixedly connected to the movable block (24), and the other end of the limit block (27) is movably connected to the limit groove (28). 3. A tensioner for installing a power line according to claim 1, characterized in that: the movable blocks (24) are in two groups movably connected to the surface of the forward and reverse screws (22), and the movable blocks (24) move on the inner side of the movable groove (21). 4. A tensioner for installing a power line according to claim 2, characterized in that one end of the movable rod (25) is movably connected to the moving block (24) through a rotating shaft, and the other end of the movable rod (25) is movably connected to the second connecting plate (26) through a rotating shaft. 5. A tensioner for installing a power line according to claim 1, characterized in that: a protective mechanism is provided on the surface of the hook seat (1), and the protective mechanism includes a connecting rod (3), the connecting rod (3) is fixedly connected to the surface of the hook seat (1), and the end of the connecting rod (3) away from the hook seat (1) is fixedly connected to a connecting block (31), the surface of the connecting block (31) is fixedly connected to a fixing rod (32), the inner wall of the fixing rod (32) is fixedly connected to a spring (33), and the end of the spring (33) away from the fixing rod (32) is fixedly connected to a telescopic rod (34). 6. A tensioner for installing a power line according to claim 5, characterized in that: the connecting rod (3) is movably connected to the inner side of the second connecting plate (26), the telescopic rod (34) is movably connected to the inner side of the fixed rod (32), and one end of the telescopic rod (34) away from the spring (33) is fixedly connected to the second connecting plate (26).