CN203205772U - Overhead ground wire lifter - Google Patents

Abstract

The utility model discloses an overhead ground wire lifter which is a lifting device for maintaining wire clamps of 110kV cement pole-supported overhead ground wires. The lifter comprises a hoop for fastening the lifter on a cement pole, a lifting mechanism for lifting an overhead ground wire, and a hoist mechanism for controlling the lifting mechanism to move up and down. The hoop is connected to a mounting base of the hoist mechanism by a bracket. A hoist part of the hoist mechanism is connected to the lifting mechanism. With the lifter, the work efficiency can be improved by 200%, and less workers are needed. The lifter avoids the hidden dangers that the overhead ground wire falls off, the operators are injured or fall from heights and the like, all of which are caused by such reasons as lack of physical strength or misoperations of operators. Thus safety of the operators can be ensured, and the level of on-site standardized operation is improved.

Description

Overhead Ground Wire Riser

technical field

The utility model relates to a hoisting device used for maintaining a 110kV cement pole overhead ground wire clamp.

Background technique

Open the suspension clamp of the 110kV cement pole overhead ground wire for inspection; when replacing the connecting fittings, connecting bolts and ground wire suspension clamps, etc., since there is no fulcrum for lifting, the actual operation is performed by the operator on the pole. After the foot button has selected the working position, use the shoulder to carry the overhead ground wire, and transfer the gravity of the overhead ground wire to the shoulders of the operator for lifting. This method of operation can also be carried out for smaller vertical spans (the weight of the overhead ground wire does not exceed 100kg, generally in plain areas), but for larger vertical spans (the weight of the overhead ground wire is greater than 100kg, especially It is located in a mountainous area), because the weight is too large, which exceeds the ability of the operator to carry out the operation. At the same time, the human shoulder load requires high physical fitness and operational skills of the operator (operators must be skillful), which is also extremely harmful to personal safety. .

Utility model content

The technical problem to be solved by the utility model is to provide an overhead ground wire lifter with simple structure, safe and convenient operation, and improved work efficiency.

In order to solve the above technical problems, the technical solution adopted by the utility model is: an overhead ground wire lifter, including a hoop for fixing the lifter on the cement pole, a lifting mechanism for lifting the overhead ground wire, and a control lifting mechanism Lifting lifting mechanism; the hoop is connected with the fixed seat of the lifting mechanism through a bracket, and the lifting piece of the lifting mechanism is connected with the lifting mechanism.

The lifting mechanism is a screw jack; the bracket is connected with the base of the screw jack.

The lifting part of the screw jack is a screw rod, and the lifting mechanism is connected with the screw rod.

The lifting mechanism is composed of a horizontal connecting frame and a wire-handling hook arranged at the bottom of the connecting frame.

There are two thread-lifting hooks, which are symmetrically arranged on the connecting frame.

The bracket is located on the hoop plate of the hoop.

The technical progress obtained by adopting the above technical scheme is: the utility model can increase the working efficiency by 2 times, and reduce the number of workers; It not only improves the personal safety of operators, but also improves the level of on-site standardized operations.

Description of drawings

Shown in Fig. 1 is the structural representation of the utility model;

Wherein, 1. hoop, 2. base, 3. wire lifting hook, 4. bracket, 5. screw rod, 6. connecting frame, 7. handle.

Detailed ways

As can be seen from Figure 1, the overhead ground wire lifter includes a hoop 1 for fixing the lifter on the cement pole, a hoisting mechanism for pulling the overhead ground wire and a hoisting mechanism for controlling the lifting of the hoisting mechanism; The hoop 1 is connected to the fixed seat of the lifting mechanism through the bracket 4, and the lifting member of the lifting mechanism is connected to the lifting mechanism. The lifting mechanism is a screw jack; the lifting mechanism is composed of a horizontal connecting frame 6 and a wire-lifting hook 3 arranged at the bottom of the connecting frame 6 . The bracket 4 is located on the hoop plate of the hoop 1; the bracket 4 is connected with the base 2 of the screw jack; the lifting part of the screw jack includes a screw rod 5, and the connection of the lifting mechanism The frame 6 is connected with the screw rod 5; there are two thread-lifting hooks 3, which are symmetrically arranged at both ends of the connecting frame 6.

In the utility model, the hoop 1 is used to fix the whole lifter on the utility pole, so the hoop 1 can adopt a common utility pole hoop. The lifting mechanism is used to lift the suspended overhead ground wire, and the lifting mechanism is equivalent to the part connecting the mechanism and the overhead ground wire. The fixing seat of the lifting mechanism is fixed on the hoop 1, and in order to facilitate fixing, the connection between the two is realized through the bracket 4 fixed on the hoop plate. The most commonly used lifting mechanism is exactly a screw jack, and the bracket 4 is connected with the base 2 of the screw jack. The screw jack that adopts among the utility model comprises screw rod 5, base 2 and handle 7. The heavy object in the utility model is an overhead ground wire, and the screw rod 5 cannot be directly connected with the overhead ground wire, so a lifting mechanism is provided. The lifting mechanism includes a connecting frame 6 arranged horizontally and a wire lifting hook 3 for lifting the overhead ground wire. The screw rod 5 is connected with the connecting frame 6, and then passes through the wire lifting hook 3 to achieve the purpose of connecting the overhead ground wire. Turn the handle 7 to control the lifting of the control screw 5, thereby controlling the lifting of the suspended overhead ground wire. Because the whole device is fixed on the utility pole, the range of motion of the handle 7 cannot be too large, and cannot exceed 180 °, so the handle 7 needs to control the lifting of the screw rod 5 by the ratchet bearing.

The usage method of the utility model is as follows: the staff climbs to the predetermined utility pole with the utility model, and after reaching the predetermined position, the utility model is fixed on the utility pole by the hoop 1 . While fixing the hoop 1, the distance between the wire lifting hook 3 and the overhead ground wire should also be taken into account so that it can touch the overhead ground wire. After the whole device is fixed, pull the handle 7 of the screw jack to make the screw rod 5 move upwards, and then drive the connecting frame 6 to rise, and at the same time, the thread lifting hook 3 also rises, so that the thread lifting hook 3 can lift the hanging The overhead ground wire rises. When the full weight of the overhead ground wire has been transferred to the wire lifting hook 3, the staff can carry out maintenance work.

Using the overhead ground wire lifter to work can increase the work efficiency by 2 times and reduce the number of workers; it can avoid the danger of the overhead ground wire falling, the staff being injured or falling from high altitude due to lack of physical strength or operation errors, etc. Ensure the safety of the operation; it can also improve the level of on-site standardized operations.

The utility model is suitable for a transmission line on a 110kV cement pole using a DJ-2451 type lightning protection wire suspension hanger to suspend an overhead ground wire.

In the utility model, the hoisting mechanism and the hoisting mechanism can be realized by selecting suitable devices according to the actual situation, as long as the corresponding functions are realized. Those skilled in the art can completely choose their own suitable tools and devices according to the functional description of the utility model, and need not be limited to the equipment provided in this document. the

Claims (6)

1. An overhead ground wire lifter, characterized in that it comprises a hoop (1) for fixing the lifter on the cement pole, a hoisting mechanism for lifting the overhead ground wire and a hoisting mechanism for controlling the lifting of the hoisting mechanism; The hoop (1) is connected to the fixed seat of the lifting mechanism through the bracket (4), and the lifting piece of the lifting mechanism is connected to the lifting mechanism. 2. The overhead ground wire lifter according to claim 1, characterized in that the lifting mechanism is a screw jack; the bracket (4) is connected to the base (2) of the screw jack. 3. The overhead ground wire lifter according to claim 2, characterized in that the lifting member of the screw jack is a screw rod (5), and the lifting mechanism is connected with the screw rod (5). 4. The overhead ground wire lifter according to claim 1, characterized in that the lifting mechanism is composed of a horizontal connecting frame (6) and a wire lifting hook (3) arranged at the bottom of the connecting frame (6). 5. The overhead ground wire lifter according to claim 4, characterized in that there are two wire lifting hooks (3), which are symmetrically arranged on the connecting frame (6). 6. The overhead ground wire lifter according to claim 1, characterized in that the bracket (4) is located on the hoop plate of the hoop (1).

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