CN209562017U - A tight pulley block device - Google Patents

Abstract

The utility model discloses a kind of snatch block group devices, including cross-arm, releasing pulley, grounded-line, 180kN rotator, traction rope, construction hole, pulley blocks, gripper, wirerope, adjustment plate, strain insulator string, idler wheel, stringing rope and strain clamp.Strain insulator string pulls pulley blocks to be swung in the side of cross-arm by stringing rope, it can be consistent with grounded-line Impact direction, utilize pulley blocks labour-saving principle, the stress of Work tool can be greatly lowered, reduce construction load, Construction of Tension Stringing operation can be completed by used Work tool, it is in tighten or ease out connection between gripper and adjustment plate that pulley blocks are pulled by stringing rope, reduce the labor intensity of operating personnel, there are two gripper settings, and one of them is used for connecting steel wire ropes, another is for connecting pulley blocks, to providing safeguard measure in grounded-line tightening process, it avoids leading to falling off for grounded-line because pulley blocks are out of control, guarantee construction safety.

Description

A tight pulley block device

technical field

The utility model relates to a pulley block, in particular to a tight-wire pulley block device, which belongs to the technical field of power transmission and transformation line engineering.

Background technique

For the erection of power transmission lines, after the laying of the ground wires is completed, it is necessary to carry out tight hanging construction on the erected ground wires. Adjust to design slack.

For the existing tension pulley block, first, it is not convenient to adjust the angle of the tension insulator string, so manpower is required to adjust the tension insulator string to be consistent with the force direction of the ground wire, which increases the labor intensity of the operators 2. When tightening, it is often only possible to change the pulling direction of the wire rope, which cannot reduce the stress on the wire rope, and is not convenient for completing the construction work of tightening the wire. Thirdly, during the pulling process of the ground wire, the ground wire is easily caused Twisting produces torque force, which will cause the ground wire to become knotted and affect the adjustment of the slack of the ground wire. Fourth, lack of protection measures will cause the pulley to lose control during the pulling process, which will lead to the ground wire The shedding of the thread has certain hidden dangers.

Utility model content

The purpose of this utility model is just to provide a kind of tightening pulley block device in order to solve the above problems.

The utility model achieves the above object through the following technical solutions: a wire tightening pulley block device, including a crossarm, a wire release block, a ground wire, a 180kN rotator, a traction rope, a construction hole, a pulley block, a wire clamp, a steel wire rope, an adjustment plates, tension insulator strings, rollers, tight wire ropes and tension clamps; a pay-off pulley is installed under the cross-arm through connecting steel cables, the ground conductor is set on one side of the cross-arm, and the guide The traction end of the ground wire is connected with a 180kN rotator, one end of the traction rope is connected with the 180kN rotator, the other end of the traction rope is connected to the tractor, and the traction rope is wound on the pay-off tackle, the The construction hole is fixedly connected with the side wall of the cross arm by welding, one end of the pulley block is connected with the wire clip through the connecting cable, the other end of the pulley block is connected with the adjustment plate through the connecting cable, the clip The wire clamp is placed on the ground wire, the steel wire rope is connected between the wire clamp and the construction hole, the adjustment plate is placed at the tail end of the tension insulator string, and the tension insulator string is connected to the The construction holes are placed together, the rollers are connected with the construction holes through shackles, and a tight wire is wound on the rollers, and one end of the tight wire is connected with the pulley block, and the tension clamp is installed on the between the ground wire and the adjustment board.

Preferably, in order to facilitate the adjustment of the angle of the tension insulator string, the tension insulator string pulls the pulley block to swing on one side of the cross arm.

Preferably, in order to reduce the force on the tool and reduce the construction load, the pulley of the pulley block is a 160kN three-wheel pulley, and the connecting steel wire of the pulley block is a Φ15 steel wire rope.

Preferably, in order to facilitate the connection or removal of the ground wire and the tension insulator string, the pulley block is tightened or loosened between the wire clamp and the adjustment plate by pulling the tightening rope.

Preferably, in order to avoid knotting of the ground wire and the traction rope due to torque, the ground wire is assembled with the traction rope through a 180kN rotator, and the ground wire and the traction rope are rotationally connected.

Preferably, in order to provide protection measures during the tightening process of the ground wire, there are two wire clamps, one of which is used to connect the steel wire rope, and the other is used to connect the pulley block.

The beneficial effect of the utility model is: the design of the tightening pulley block device is reasonable, and the tension insulator string pulls the pulley block to swing on one side of the crossarm through the tight wire rope, which is convenient for adjusting the angle of the tension insulator string so that it can be connected to the ground The force direction of the line is consistent. The pulley of the pulley block is a 160kN three-wheel pulley, and the connecting steel wire of the pulley block is a Φ15 steel wire rope. Using the principle of labor-saving pulley block, it can greatly reduce the force of the tool and reduce the construction load. The appliance can complete the wire tightening construction work, and the pulley block is pulled by the wire tightening rope to tighten or loosen the connection between the wire clamp and the adjustment plate, which is convenient for the connection or removal of the ground wire and the tension insulator string, and minimizes the The labor intensity of the operator, the ground wire is assembled with the traction rope through a 180kN rotator, and the ground wire and the traction rope are connected in rotation, and can rotate during the pulling process, so as to avoid the torque generated by the ground wire and the traction rope. Knotting, there are two clamps, and one of them is used to connect the wire rope, and the other is used to connect the pulley block, which provides protection measures for the ground wire tightening process, to avoid the fall of the ground wire due to the loss of control of the pulley block, to ensure construction safety.

Description of drawings

Fig. 1 is a schematic diagram of the utility model loose wire connection structure;

Fig. 2 is a schematic diagram of the tight wire connection structure of the utility model.

In the figure: 1. Cross arm, 2. Pay-off block, 3. Ground wire, 4. 180kN rotator, 5. Traction rope, 6. Construction hole, 7. Pulley block, 8. Wire clamp, 9. Steel wire rope, 10, adjustment plate, 11, tension insulator string, 12, roller, 13, tight wire rope and 14, tension clamp.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-2, a wire tightening pulley block device, including a cross arm 1, a wire payoff block 2, a ground wire 3, a 180kN rotator 4, a traction rope 5, a construction hole 6, a pulley block 7, a wire clamp 8, Steel wire rope 9, adjustment plate 10, tension insulator string 11, roller 12, tight wire rope 13 and tension clamp 14; the lower side of the cross arm 1 is installed with a pay-off block 2 through the connecting steel cable, and the ground wire 3 It is arranged on one side of the cross arm 1, and the traction end of the ground wire 3 is connected to a 180kN rotator 4, one end of the traction rope 5 is connected to the 180kN rotator 4, and the other end of the traction rope 5 is connected to to the tractor, and the traction rope 5 is wound on the pay-off block 2, the construction hole 6 is fixedly connected to the side wall of the cross arm 1 by welding, and one end of the pulley block 7 is connected to the wire clamp by connecting the steel cable 8 for connection, the other end of the pulley block 7 is connected with the adjustment plate 10 through a connecting steel cable, the wire clamp 8 is clamped on the ground wire 3, and the steel wire rope 9 is connected between the wire clamp 8 and the construction Between the holes 6, the adjustment plate 10 is placed at the tail end of the tension insulator string 11, and the tension insulator string 11 is placed together with the construction hole 6 through the connecting steel cable, and the roller 12 is connected by the shackle and the construction hole. The hole 6 is connected, and the tight wire rope 13 is wound on the roller 12, and one end of the tight wire rope 13 is connected with the pulley block 7, and the tension clamp 14 is installed on the ground wire 3 and the adjustment plate 10 between.

The tension insulator string 11 pulls the pulley block 7 to swing on one side of the cross arm 1 through the tight wire rope 13, which is convenient for adjusting the angle of the tension insulator string 11 so that it can be consistent with the force direction of the ground wire 3. The pulley of the pulley block 7 is a 160kN three-wheel pulley, and the connecting steel wire of the pulley block 7 is a Φ15 steel wire rope. Using the labor-saving principle of the pulley block 7, it can greatly reduce the force of the tools and reduce the construction load. After the wire tightening construction work is completed, the pulley block 7 is pulled by the wire tightening rope 13 to tighten or loosen the connection between the wire gripper 8 and the adjustment plate 10, so as to facilitate the connection or removal of the ground wire 3 and the tension insulator string 11 , to reduce the labor intensity of the operator to the greatest extent, the ground wire 3 is assembled with the traction rope 5 through the 180kN rotator 4, and the ground wire 3 and the traction rope 5 are rotationally connected, and can rotate during the pulling process, To avoid knotting of the ground wire 3 and the traction rope 5 due to the generation of torque force, the wire clamp 8 is provided with two, and one of them is used to connect the steel wire rope 9, and the other is used to connect the pulley block 7, and the ground wire 3 Protective measures are provided during the tightening process to avoid falling off of the ground wire 3 due to the loss of control of the pulley block 7, thereby ensuring construction safety.

Working principle: When using the tightening pulley block device, after the temporary anchoring system is stressed, the tightening wire rope 13 is tightened by mechanical twisting, and the tightening pulley block 7 is tightened, so that the tension insulator string 11 is gradually lifted in the direction of the ground wire 3 , until the stress direction of the strain insulator string 11 and the ground wire 3 are consistent, then connect the strain clamp 14 with the strain insulator string 11, and then tighten the other sub-conductors one by one. When it needs to be removed, loosen the tight wire The pulley block 7 makes the tension insulator string 11 gradually in a vertically loose state, then the tension clamp 14 is disconnected from the tension insulator string 11, and then other sub-conductors are removed one by one.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A wire tightening pulley block device is characterized in that: comprise cross arm (1), pay-off tackle (2), ground wire (3), 180kN rotator (4), traction rope (5), construction hole ( 6), pulley block (7), wire clamp (8), steel wire rope (9), adjustment plate (10), strain insulator string (11), roller (12), tight wire rope (13) and strain clamp (14); the lower side of the cross arm (1) is equipped with a pay-off block (2) through the connecting steel cable, the ground guide wire (3) is arranged on one side of the cross arm (1), and the ground guide wire The traction end of (3) is connected with 180kN rotator (4), and one end of described traction rope (5) is connected with 180kN rotator (4), and the other end of described traction rope (5) is connected to tractor, and The traction rope (5) is wound on the pay-off block (2), the construction hole (6) is fixedly connected to the side wall of the cross arm (1) by welding, and one end of the pulley block (7) is connected by a connecting steel The cable is connected with the wire clamp (8), the other end of the pulley block (7) is connected with the adjustment plate (10) through the connecting steel cable, and the wire clamp (8) is clamped on the ground wire (3 ), the steel wire rope (9) is connected between the wire clamp (8) and the construction hole (6), the adjustment plate (10) is placed at the tail end of the tension insulator string (11), and the The insulator string (11) is placed together with the construction hole (6) through the connecting steel cable, the roller (12) is connected with the construction hole (6) through a shackle, and a tight wire is wound on the roller (12) Rope (13), and one end of the tightening rope (13) is connected with the pulley block (7), and the tension clamp (14) is installed between the ground wire (3) and the adjustment plate (10). 2. A tightening pulley block device according to claim 1, characterized in that: the tension insulator string (11) pulls the pulley block (7) on one side of the cross arm (1) through the tightening rope (13) Make a swing. 3. A kind of tightening pulley block device according to claim 1, characterized in that: the block of the block pulley (7) is a 160kN three-wheel block, and the connecting steel wire of the block block (7) is a Φ15 steel wire rope. 4. A wire tightening pulley block device according to claim 1, characterized in that: the pulley block (7) is pulled between the wire clamp (8) and the adjustment plate (10) by the wire tightening rope (13). Tighten or loosen connections. 5. A kind of tightening pulley block device according to claim 1, characterized in that: the ground wire (3) is assembled with the traction rope (5) through a 180kN rotator (4), and the ground wire ( 3) be rotationally connected with the traction rope (5). 6. A wire tightening pulley block device according to claim 1, characterized in that there are two wire grippers (8), one of which is used to connect the wire rope (9), and the other is used to connect the pulley block (7).