CN211859423U - A kind of tensioning device for power overhead line - Google Patents

Abstract

The utility model discloses an electric power is overspeed device tensioner for overhead line, including the overhead line, the strain insulator end erection joint of overhead line is equipped with card line mechanism, and it is firm to be pressed from both sides the locking mutually by card line mechanism, it is equipped with the fixture block to assemble the installation in the card line mechanism, the fixture block is connected between through tension bar and the pulley holder, it has installed the movable pulley to rotate the ann on the pulley holder, fixed connection wire rope's one end on the movable pulley, the direction connection has fixed pulley assembly in proper order on the wire rope, change to pulley assembly, fixed pulley assembly, change to pulley assembly and equally divide other fixed mounting and set up on the strain insulator tower, wire rope's the other end is connected to the hank emery wheel, hank emery wheel fixed cover is established and is installed the. By adopting the technical scheme, the wire clamping mechanism clamps and fixes the overhead wire, so that the overhead wire is conveniently tensioned and adjusted up and down by driving the steel wire rope to pull through the winching motor, the danger of overhead wire high-altitude tensioning operation can be avoided, and meanwhile, the labor intensity of workers can be reduced.

Description

A kind of tensioning device for power overhead line

technical field

The utility model relates to the technical field of electric overhead wire installation, in particular to a tensioning device for electric overhead wires.

Background technique

In the prior art, in the process of erecting the tension-resistant end of the power overhead line, the installer usually performs high-altitude tension adjustment and erection, because the high-altitude operation is performed on the tension line tower, and due to the weight of the remote installation of the power overhead line. It is large, and the force required to tighten the overhead power line is large, which makes the staff in an unsafe state when the overhead power line is tightened. Therefore, we design a tensioning power overhead line device.

Utility model content

In order to solve the defects of the existing technical solutions, the utility model discloses a tensioning device for electric overhead wires.

The utility model discloses a tensioning device for an electric overhead wire, comprising an overhead wire and a wire clamping mechanism, the tension-resistant wire end of the overhead wire is assembled and installed with a wire clamping mechanism, and the wire clamping mechanism is composed of a main wire clamping mechanism. , The side ear clip wire seat, the middle clip wire seat, and the top clip joint seat are integrated into one structure. The two inclined bottom ends of the main body frame of the clip wire are provided with side ear clip wire seats, and the side ear clip wire seats on both sides are respectively provided. The wire avoids the groove, and the wire avoids the groove to avoid passing through the overhead wire. The front and rear side walls of the side ear clip wire seat are respectively threaded and installed with transverse T-shaped bolts, and the tail ends of the transverse T-shaped bolts are fixed. A transverse clamping block is connected, and the transverse clamping block abuts against and clamps the overhead wire, the bottom wall of the main frame of the wire clamping is provided with a middle wire clamping seat, and the middle position of the middle wire clamping seat is provided with a wire socket. The opened wire jacks avoid passing overhead wires, the upper and lower ends of the middle wire clamp are respectively provided with notch grooves, and the opened notch grooves are provided with threads for installation with the middle wire clamp The vertical T-shaped bolt, the vertical clamping block is fixedly connected to the tail end of the vertical T-shaped bolt, the vertical clamping block is slidingly assembled and installed in the sliding groove, and the vertical clamping block is installed in the sliding groove. The clamping block abuts and clamps the overhead wire, the top wall of the main frame of the clamping wire is provided with a top clamping seat, and a clamping block is assembled and installed in the clamping groove set on the top clamping seat, and the top The clamping seat and the clamping block are integrally assembled and fixed by the anti-falling pin shaft. The clamping block is connected with the pulley bracket through the tension rod. The movable pulley is rotatably installed on the pulley bracket, and the steel wire rope is fixedly connected to the movable pulley. At one end of the wire rope, a fixed pulley assembly and a diverting pulley assembly are sequentially connected to the wire rope. The fixed pulley assembly and the diverting pulley assembly are fixedly installed on the tension tower respectively. The grinding wheel is fixedly sleeved and installed on the output end of the grinding motor, and the grinding motor is fixedly installed on the tension-resistant wire tower.

Preferably, the fixed pulley assembly is disposed just above the movable pulley, and the redirecting pulley assembly and the movable pulley are disposed at an inclined traction angle.

Preferably, the size of the wire avoidance groove is much larger than the size of the overhead line.

Preferably, the aperture size of the wire jack is larger than the diameter of the overhead wire.

Preferably, the bottom end of the transverse clamping block is transitionally provided with an arc-shaped tow hook of an integrated structure.

Preferably, both sides of the anti-falling pin shaft are provided with anti-falling caps, and the anti-falling caps are provided on the side wall of the top clamping seat in a position-resisting manner.

Preferably, two ends of the tension rod are respectively fastened with convex ring sleeves, and the convex ring sleeves at both ends are respectively integrally arranged on the clamping block and the pulley bracket.

The beneficial effect is that the wire clamping mechanism clamps and fixes the overhead wire respectively through the side ear wire clamping bases arranged on both sides and the middle wire clamping base arranged in the middle, so that the overhead wire can be fixed and tensioned easily by the wire clamping mechanism, and the wire clamping mechanism Through the integral connection of the tension rod and the pulley bracket, it is convenient to drive the wire rope traction through the grinding motor, and a stable lifting mechanism is formed between the redirecting pulley assembly, the movable pulley and the fixed pulley assembly, so as to realize that the wire clamping mechanism drives the overhead wire to carry out The upper and lower tensioning adjustment can avoid the danger of overhead line tensioning operation, and at the same time can reduce the labor intensity.

Description of drawings

Fig. 1 is the structural representation of a kind of tensioning device for electric overhead line of the utility model;

Figure 2 is a schematic cross-sectional view of the middle part of the tensioning device for an overhead power line of the utility model;

3 is a schematic diagram of a side ear clip wire seat of a tensioning device for an overhead power line of the utility model;

FIG. 4 is a schematic diagram of the anti-falling pin shaft of a tensioning device for an overhead wire of the utility model.

Among them: 1- overhead cable; 2- cable clamping mechanism, 20- cable main frame, 21- side ear cable holder, 210- cable avoidance slot, 22- middle cable holder, 220- cable jack, 221- slide Shift slot, 222-notch slot, 23-top snap seat, 230-card slot; 3-horizontal clamping block, 30-arc tow hook; 4-horizontal T-bolt; 5-vertical T-bolt; 6 -Vertical clamping block; 7-Clamping block; 8-Anti-falling pin, 80-Anti-falling cap; 9-Tension rod; 10-Pulley bracket; 11-Moving pulley; 12-Tension tower; 13-Fixed pulley assembly; 14- Steel wire rope; 15- Reversing pulley assembly; 16- Spinning grinding wheel; 17- Spinning grinding motor; 18- Convex ring sleeve.

Detailed ways

The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments; Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the utility model.

As shown in Figures 1-4, the utility model discloses a tensioning device for electric overhead wires, which includes an overhead wire 1 and a wire clamping mechanism 2. The tension wire end of the overhead wire 1 is assembled and installed with a wire clamping mechanism 2 The wire clamping mechanism 2 is composed of a main body frame 20 for wire clamping, a side ear clamping wire seat 21, a middle wire clamping seat 22, and a top clamping seat 23. The two sides of the main body frame 20 are provided with inclined bottom ends. There is a side ear clip wire seat 21, the side ear clip wire seat 21 on both sides is respectively provided with a wire avoidance slot 210, the wire avoidance slot 210 avoids passing through the overhead wire 1, the front and rear of the side ear clip wire seat 21 The lateral T-shaped bolts 4 are respectively threadedly installed on the two side walls, and the rear ends of the lateral T-shaped bolts 4 are fixedly connected with a lateral clamping block 3 , and the lateral clamping block 3 abuts against and clamps the overhead wire 1 .

The bottom wall of the main body frame 20 is provided with a middle wire holder 22, a wire jack 220 is opened at the middle position of the middle wire holder 22, and the wire jack 220 is opened to avoid passing through the overhead wire 1. , the upper and lower ends of the middle wire clamping seat 22 are respectively provided with notched grooves 222, and the opened notched grooves 222 are provided with vertical T-shaped bolts 5 that are threadedly installed with the middle wire clamping seat 22. The tail end of the vertical T-shaped bolt 5 is fixedly connected with a vertical clamping block 6, and the vertical clamping block 6 is slidingly assembled and installed in the sliding groove 221, and the vertical clamping block 6 is in contact with each other. Clamp and fix the overhead wire 1.

A top clamping seat 23 is provided on the top wall of the main body frame 20 for the wire clamping. A clamping block 7 is assembled and installed in the clamping slot 230 provided on the top clamping seat 23. The top clamping seat 23 and The clamping blocks 7 are integrally assembled and fixed by the anti-falling pin shaft 8, and the clamping blocks 7 are connected with the pulley bracket 10 through the tension rod 9. The movable pulley 11 is rotatably installed on the pulley bracket 10. The movable pulley 11 One end of the wire rope 14 is fixedly connected to the top, and the wire rope 14 is guided and connected with a fixed pulley assembly 13 and a redirecting pulley assembly 15 in turn. 12, the other end of the wire rope 14 is connected to the grinding wheel 16, the grinding wheel 16 is fixedly sleeved and installed on the output end of the grinding motor 17, and the grinding motor 17 is fixedly installed on the tension tower 12 .

The fixed pulley assembly 13 is disposed just above the movable pulley 11 , and the diverting pulley assembly 15 and the movable pulley 11 are disposed at an inclined traction angle.

The size of the wire avoidance groove 210 is much larger than the size of the overhead wire 1, and the aperture size of the wire jack 220 is larger than the diameter of the overhead wire 1, so as to adapt to different sizes and specifications of the overhead wire 1 for wire clamping. Fixed tension.

The bottom end of the transverse clamping block 3 is transitionally provided with an arc-shaped tow hook 30 with an integrated structure, and the provided arc-shaped tow hook 30 is used to play a role in closely adhering to the overhead wire 1 to prevent slipping off.

Both sides of the anti-falling pin shaft 8 are provided with anti-falling caps 80, and the anti-falling caps 80 are provided on the side wall of the top clamping seat 23 in limited contact, so that the clamping block 7 is pinned and fixed on the top clamping seat 23 firmly. .

Two ends of the tension rod 9 are respectively fastened with convex ring sleeves 18, and the two ends of the convex ring sleeves 18 are respectively integrally arranged on the clamping block 7 and the pulley bracket 10, and the integral assembly and connection are convenient.

The utility model is implemented in this way: by assembling and installing a wire clamping mechanism 2 on the tensile wire end of the overhead wire 1, the side ear clamping wire seat 21 of the wire clamping mechanism 2 avoids passing through the overhead wire 1, and is threaded from the front and rear sides. The matching transverse T-bolt 4 rotates to drive the transverse clamping block 3 to move, so that the transverse clamping block 3 can clamp and stabilize the overhead wire 1 laterally; The overhead wire 1 is driven by the vertical clamping blocks 6 that are threaded on the upper and lower sides to move the vertical clamping block 6, so that the vertical clamping block 6 vertically clamps and fixes the overhead wire 1, so that the overhead wire 1 It is convenient to carry out the fixed tension adjustment through the wire clamping mechanism 2. During the tension adjustment process, the wire rope 14 is pulled by the grinding motor 17, and the wire rope is driven and connected through the redirecting pulley assembly 15, the movable pulley 11, and the fixed pulley assembly 13, so that the wire rope When pulling, it is convenient to drive the movable pulley 11 to lift or lower. The movable pulley 11 is assembled and connected with the wire clamping mechanism 2 through the tension rod 9, so that the wire clamping mechanism 2 drives the overhead wire 1 to adjust the tension up and down. By adopting the technical solution, the wire clamping mechanism clamps and fixes the overhead wires respectively through the side ear wire clamping bases provided on both sides and the middle wire clamping base provided in the middle, so that the overhead wires can be fixed and tensioned easily by the wire clamping mechanism, and the wire is clamped. The mechanism is integrally connected with the pulley bracket through the tension rod, which is convenient to drive the wire rope traction through the grinding motor, and form a stable lifting mechanism between the redirecting pulley assembly, the movable pulley and the fixed pulley assembly, so as to realize the wire clamping mechanism to drive the overhead wire. The upper and lower tensioning adjustment can avoid the danger of the overhead line tensioning operation at high altitude, and at the same time can reduce the labor intensity.

Finally, it should be noted that the above embodiments are only used to illustrate the utility model rather than limit the technical solutions described by the utility model; therefore, although the present specification has described the utility model in detail with reference to the above-mentioned various embodiments, this Those skilled in the art should understand that the utility model can still be modified or equivalently replaced; and all technical solutions and improvements that do not depart from the spirit and scope of the utility model should be covered by the scope of the claims of the utility model.

Claims (7)

1. A tensioning device for an electric overhead wire, comprising an overhead wire (1) and a wire clamping mechanism (2), characterized in that the tension wire end of the overhead wire (1) is assembled and installed with a wire clamping mechanism ( 2), the wire clamping mechanism (2) is composed of a main body frame (20), a side ear clamping wire seat (21), a middle wire clamping seat (22), and a top clamping seat (23). Side ear clip wire seats (21) are arranged at the inclined bottom ends of the two sides of the main body frame of the wire clip (20), and the wire avoidance grooves (210) are respectively provided on the side ear clip wire seats (21) on both sides. The overhead wire (1) is avoided in the missing groove (210), and transverse T-shaped bolts (4) are respectively threadedly fitted on the front and rear side walls of the side ear clip wire seat (21). The transverse T-shaped bolts ( The rear end of 4) is fixedly connected with a transverse clamping block (3), the transverse clamping block (3) abuts against and clamps the overhead wire (1), and the bottom wall of the wire clamping main frame (20) is provided with a The middle cable holder (22), a wire jack (220) is provided at the middle position of the middle cable holder (22), and the wire jack (220) that is opened avoids passing through the overhead line (1), and the The upper and lower ends of the middle wire clamping seat (22) are respectively provided with notched grooves (222); Bolts (5), the tail end of the vertical T-shaped bolts (5) is fixedly connected with a vertical clamping block (6), and the vertical clamping block (6) is slidably assembled and installed in the sliding groove ( 221), and the vertical clamping block (6) abuts against and clamps the overhead wire (1), the top wall of the wire clamping main frame (20) is provided with a top clamping seat (23), so A clamping block (7) is assembled and installed in the clamping groove (230) provided on the top clamping seat (23), and an anti-falling pin shaft ( 8) The phases are assembled and fixed in one piece, the clamping block (7) is connected with the pulley bracket (10) through the tension rod (9), and a movable pulley (11) is rotatably installed on the pulley bracket (10). One end of the wire rope (14) is fixedly connected to the movable pulley (11), and the wire rope (14) is guided and connected with a fixed pulley assembly (13) and a reversing pulley assembly (15) in sequence. The pulley assemblies (15) are respectively fixedly installed on the tension tower (12), and the other end of the steel wire rope (14) is connected to the grinding wheel (16), and the grinding wheel (16) is fixedly sleeved and installed on the The output end of the grinding motor (17), the grinding motor (17) is fixedly installed on the tension tower (12). 2 . The tensioning device for electric overhead lines according to claim 1 , wherein the fixed pulley assembly ( 13 ) is arranged just above the movable pulley ( 11 ), and the redirecting pulley assembly ( 15 ) It is set at an inclined traction angle with the movable pulley (11). 3 . The tensioning device for an electric power overhead line according to claim 1 , characterized in that: the specification size of the line avoidance groove ( 210 ) is much larger than that of the overhead line ( 1 ). 4 . 4 . The tensioning device for an overhead power line according to claim 1 , wherein the aperture size of the line insertion hole ( 220 ) is larger than the diameter of the overhead line ( 1 ). 5 . 5 . The tensioning device for overhead power lines according to claim 1 , wherein the bottom end of the transverse clamping block ( 3 ) is transitionally provided with an arc-shaped tow hook ( 30 ) of an integrated structure. 6 . 6. A tensioning device for overhead power lines according to claim 1, characterized in that: both sides of the anti-falling pin shaft (8) are provided with anti-falling caps (80), and the anti-falling caps (80) limit the The bit abutting is arranged on the side wall of the top clamping seat (23). 7 . The tensioning device for overhead power lines according to claim 1 , wherein two ends of the tension rod ( 9 ) are respectively fastened with convex ring sleeves ( 18 ). The convex ring sleeve (18) is integrally arranged on the clamping block (7) and the pulley bracket (10), respectively.

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