阅读说明：本技术 一种输电线路合成绝缘子串吊装工具 (Lifting tool for power transmission line composite insulator string ) 是由 黄松林 岳灵平 张健 王志勇 季世超 俞强 寿峰 许大令 殷志敏 缪正 于 2020-04-29 设计创作，主要内容包括：本发明涉及电力领域,尤其是涉及一种输电线路合成绝缘子串吊装工具。一种输电线路合成绝缘子串吊装工具,包括两个卡接器、调节杆和吊环,卡接器包括两个配合设置的卡接环,两个卡接环的一端铰接,两个卡接环的另一端均对应设置有辅助块,两个辅助块之间为可拆卸连接,卡接环的内表面上设置有呈弧形的膨胀气囊,两个膨胀气囊之间形成用于与绝缘子串连接的卡接通道,其中一个卡接环上设置有吊杆,调节杆上设置有调节槽,调节杆上沿长度方向设置有多个调节孔,吊杆上设置有定位孔,吊环与调节杆之间通过连接绳连接。本发明能够实现快速吊装合成绝缘子串并且不会损坏绝缘子串上的伞裙。(The invention relates to the field of electric power, in particular to a lifting tool for a synthetic insulator string of a power transmission line. The utility model provides a synthetic insulator chain lifting device of transmission line, including two joint wares, adjust pole and rings, the joint ware includes the joint ring that two cooperations set up, the one end of two joint rings is articulated, the other end of two joint rings all corresponds and is provided with supplementary piece, be connected for dismantling between two supplementary pieces, be provided with on the internal surface of joint ring and be curved inflation gasbag, form the joint passageway that is used for being connected with the insulator cluster between two inflation gasbags, be provided with the jib on one of them joint ring, be provided with the adjustment tank on the regulation pole, be provided with a plurality of regulation holes along length direction on the regulation pole, be provided with the locating hole on the jib, be connected through being connected the rope between rings and the regulation pole. The invention can realize the rapid hoisting of the insulator string and cannot damage the umbrella skirt on the insulator string.)

1. A lifting tool for a power transmission line composite insulator string is characterized by comprising two clamping connectors, an adjusting rod and a lifting ring, the clamping device comprises two clamping rings which are arranged in a matching way, one ends of the two clamping rings are hinged, the other ends of the two clamping rings are respectively and correspondingly provided with an auxiliary block, the two auxiliary blocks are detachably connected, the inner surface of the clamping ring is provided with an arc-shaped expansion air bag, a clamping channel used for being connected with the insulator string is formed between the two expansion air bags, one of the clamping rings is provided with a hanging rod, the adjusting rod is provided with an adjusting groove matched with the hanging rod, a plurality of adjusting holes are arranged on the adjusting rod along the length direction, positioning holes are arranged on the suspender corresponding to the adjusting holes, the hanger rod is fixed on the adjusting rod through a fastening bolt matched with the adjusting hole and the positioning hole, and the lifting ring is connected with the adjusting rod through a connecting rope.

2. The lifting tool for the power transmission line synthetic insulator string according to claim 1, wherein an air guide device and an internal threaded hole are arranged in the auxiliary block, the air guide device comprises an air storage shell arranged in the auxiliary block, an air storage cavity is arranged in the air storage shell, an air guide piston is connected in the air storage cavity in a sliding mode, a piston rod penetrating through the air storage shell and extending into the internal threaded hole is arranged on the air guide piston, an adjusting bolt matched with the piston rod is connected in the internal threaded hole in a threaded mode, a reset spring connected with the side wall of the air storage cavity is arranged on one side, away from the piston rod, of the air guide piston, an air outlet is formed in one side, away from the piston rod, of the air storage shell, and an air guide tube is connected between the air outlet and the.

3. The lifting tool for the power transmission line composite insulator string according to claim 1, wherein the two auxiliary blocks are connected through clamping bolts.

4. The lifting tool for the power transmission line composite insulator string as claimed in claim 1, 2 or 3, wherein the hanger rod is welded to the clamping ring.

5. The lifting tool for the power transmission line composite insulator string as claimed in claim 1, 2 or 3, wherein the snap ring is semicircular.

6. The lifting tool for the power transmission line composite insulator string as claimed in claim 1, 2 or 3, wherein the adjusting rod is in a shape of a Chinese character 'ao'.

7. The lifting tool for the power transmission line composite insulator string according to claim 3, wherein the number of the clamping bolts is two, and the two clamping bolts are respectively arranged on two sides of the gas storage shell.

Technical Field

The invention relates to the field of electric power, in particular to a lifting tool for a synthetic insulator string of a power transmission line.

Background

The in-process that synthetic insulator chain changed because rope system during hoist and mount is on synthetic insulator chain's full skirt, because there is the dead weight synthetic insulator and rope, can cause insulator chain's full skirt damage or deformation at the in-process of lifting by crane, insulator chain impaired back will appear following problem: the insulation performance is reduced, and breakdown accidents under power frequency voltage are easy to happen; the surface performance of the silicon rubber is deteriorated, and the phenomena that the umbrella skirt of the synthetic insulator is easy to tear or the surface hydrophobicity is reduced due to hardening or weakening of elasticity in the operation process; the moisture resistance is weakened, the core rod is subjected to hydrolysis reaction when being wetted, the mechanical strength of the composite insulator is reduced, and string falling accidents are caused.

For example, Chinese patent publication numbers are: CN204424800U, a lifting device for insulator string replacement on a power transmission line announced in 2015, 6 and 24, comprises an insulating rod, and a hook and an inserting plate which are respectively connected to the upper part and the lower part of the insulating rod. One end of the hook is sickle-shaped, and the opposite end of the hook is connected with an operating rod. The upper end of the insulating rod is provided with a lifting hook. The worker adjusts the position of the hook through the operating rod to realize the operation of hooking and withdrawing the insulator string. The upper end of the insulating transfer rope is connected to the lifting hook after bypassing the pulley fixed on the cross arm, the hook hooks the connecting joint between any two insulators on the side of the cross arm of the insulator string, and the plugboard forks the connecting joint between the adjacent two insulators on the wire side of the insulator string to hold the whole string of insulators. After the two ends of the insulator string are respectively separated from the connecting members between the cross arm side and the wire side, a worker loosens the insulation transfer ropes on the ground to enable the insulator string to fall through self weight, and tightens the insulation transfer ropes after a new insulator string is replaced to lift the insulator string to a proper position to connect the two ends, namely, the insulator string is replaced, but the lifting tool can cause damage or deformation of an umbrella skirt of the insulator string when in use.

Disclosure of Invention

The invention mainly aims at solving the problem that the umbrella skirt of an insulator string is damaged or deformed when the existing hoisting tool is used, and provides a hoisting tool for a power transmission line synthesized insulator string, which can realize the rapid hoisting of the synthesized insulator string and cannot damage the umbrella skirt on the insulator string.

The purpose of the invention is mainly realized by the following scheme: a lifting tool for a power transmission line composite insulator string comprises two clamping connectors, an adjusting rod and a lifting ring, the clamping device comprises two clamping rings which are arranged in a matching way, one ends of the two clamping rings are hinged, the other ends of the two clamping rings are respectively and correspondingly provided with an auxiliary block, the two auxiliary blocks are detachably connected, the inner surface of the clamping ring is provided with an arc-shaped expansion air bag, a clamping channel used for being connected with the insulator string is formed between the two expansion air bags, one of the clamping rings is provided with a hanging rod, the adjusting rod is provided with an adjusting groove matched with the hanging rod, a plurality of adjusting holes are arranged on the adjusting rod along the length direction, positioning holes are arranged on the suspender corresponding to the adjusting holes, the hanger rod is fixed on the adjusting rod through a fastening bolt matched with the adjusting hole and the positioning hole, and the lifting ring is connected with the adjusting rod through a connecting rope. The clamping device comprises two clamping rings which are arranged in a matching way, one ends of the two clamping rings are hinged, the other ends of the two clamping rings are correspondingly provided with auxiliary blocks, the two auxiliary blocks are detachably connected, the inner surfaces of the clamping rings are provided with arc-shaped expansion air bags, a clamping channel for connecting the two expansion air bags with an insulator string is formed between the two expansion air bags, one clamping ring is provided with a lifting rod, an adjusting groove matched with the lifting rod is arranged on the adjusting rod, a plurality of adjusting holes are arranged on the adjusting rod along the length direction, the lifting rod is provided with positioning holes corresponding to the adjusting holes, the lifting rod is fixed on the adjusting rod through fastening bolts matched with the adjusting holes and the positioning holes, internal threads are arranged in the positioning holes and the adjusting holes, the lifting rod is connected with the adjusting rod through a connecting rope, particularly, when the lifting operation is carried out, the positions of the two clamping, the hanger rod slides along the adjusting groove, so that the clamping devices correspondingly move to the middle of the two umbrella skirts, the positions of the two clamping devices on the insulator string are symmetrically matched, the insulator string can be stably hoisted, then the two clamping devices are fixed on the adjusting rod through the fastening bolts, then the two clamping devices are respectively connected with the insulator string, the two clamping rings are firstly opened along the hinged part, then the insulator string body is placed into the clamping channel, at the moment, the clamping devices are positioned at the middle of the two umbrella skirts, then the two corresponding clamping rings are connected through the auxiliary blocks, the insulator string is prevented from being separated during hoisting, after the two clamping devices are arranged on the insulator string, the hoisting ring and the insulator string connected with the hoisting ring are hoisted through a hoisting tool, the stability during hoisting is very high, the umbrella skirts cannot be damaged due to the arrangement of the expansion air bags, and the rapid hoisting can be realized, the working efficiency is high.

As preferred, the auxiliary block in be provided with air guide device and internal screw thread hole, air guide device including setting up the gas storage casing in the auxiliary block, the gas storage casing in be provided with the gas storage chamber, gas storage intracavity sliding connection have an air guide piston, the air guide piston on be provided with and run through the gas storage casing and extend to the downthehole piston rod of internal screw thread, internal screw thread hole internal screw thread connection have with piston rod matched with adjusting bolt, one side of keeping away from the piston rod of air guide piston be provided with the reset spring who is connected with the lateral wall in gas storage chamber, one side of keeping away from the piston rod of gas storage casing be provided with the venthole, venthole and inflation gasbag between be connected with the air duct. The auxiliary block is internally provided with an air guide device and an internal thread hole, the air guide device comprises an air storage shell arranged in the auxiliary block, an air storage cavity is arranged in the air storage shell, an air guide piston is connected in the air storage cavity in a sliding manner, a piston rod penetrating through the air storage shell and extending into the internal thread hole is arranged on the air guide piston, an adjusting bolt matched with the piston rod is connected in the internal thread hole, one side of the air guide piston, far away from the piston rod, is provided with a reset spring connected with the side wall of the air storage cavity, one side of the air storage shell, far away from the piston rod is provided with an air outlet hole, an air guide pipe is connected between the air outlet hole and the expansion air bag, when the insulator string is placed in the clamping channel, a worker can adjust the expansion degree of the expansion air bag by rotating the adjusting bolt, when the adjusting bolt moves towards the piston rod, the, the expansion airbag can be better attached to the umbrella skirt after being expanded, so that the stability of the insulator string during hoisting is improved, and the insulator string cannot shake; after the inflation gasbag is expanded too greatly, in order to prevent that the inflation gasbag from causing the damage to the full skirt, thereby the staff can rotate adjusting bolt and make adjusting bolt toward keeping away from the piston rod direction and remove to under reset spring's effect, the air guide piston can be toward keeping away from the inflation gasbag direction and remove, makes the inflation degree of inflation gasbag reduce, helps the laminating on the full skirt, and the operation is very simple, and security and stability are all high.

Preferably, the two auxiliary blocks are connected through clamping bolts. Through joint bolted connection between two auxiliary blocks, correspond on the auxiliary block and be provided with the screw hole, connect firmly, it is convenient to dismantle.

Preferably, the hanger bar is welded to the snap ring. The hanger rod is welded on the clamping ring, so that the hanger rod is firm in connection and long in service life.

Preferably, the clamping ring is semicircular. The clamping ring is semicircular and regular in shape, and operation is facilitated.

Preferably, the adjusting rod is in a concave shape. The adjusting rod is in a concave shape, so that the position of the hanging rod can be conveniently adjusted.

Preferably, the number of the clamping bolts is two, and the two clamping bolts are respectively arranged on two sides of the gas storage shell. The number of the clamping bolts is two, and the two clamping bolts are respectively arranged on two sides of the gas storage shell, so that the two auxiliary blocks can be connected more stably, and the stability and the safety during hoisting are improved.

Therefore, the hoisting tool for the power transmission line composite insulator string has the following advantages: the method is simple to operate, can realize quick hoisting of the insulator string, does not damage the umbrella skirt on the insulator string, and has high stability and safety during hoisting operation.

Drawings

FIG. 1 is a schematic structural view of example 2.

FIG. 2 is a schematic structural view of embodiment 1.

Fig. 3 is a cross-sectional view at a in fig. 2.

Fig. 4 is a side view of the auxiliary block, the clamping bolt and the adjusting bolt of the present invention.

FIG. 5 is a schematic diagram of the use of example 1.

Fig. 6 is a schematic structural view of an adjusting lever according to the present invention.

Illustration of the drawings: 1-snap ring, 2-inflatable airbag, 3-snap channel, 4-boom, 5-pilot hole, 6-auxiliary block, 7-adjusting bolt, 8-gas storage housing, 9-return spring, 10-gas guide piston, 11-piston rod, 12-gas storage chamber, 13-gas outlet hole, 14-adjusting rod, 15-adjusting hole, 16-fastening bolt, 17-connecting rope, 18-insulator string, 19-shed, 20-suspension ring, 21-adjusting groove, 22-snap fastener, 23-snap bolt, 24-internal thread hole, 25-arc projection, 26-movable screw, 27-nut, 28-upper snap ring, 29-lower snap ring, 30-rotating shaft, 31-connecting ring, 32-movable hole.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.