CN217934799U - Ground wire lifting device for overhead transmission line - Google Patents

Abstract

The utility model discloses a ground wire line lifting equipment for overhead transmission line relates to the transmission line field, including diaphragm, guard box, elevating system and installation mechanism, the bottom both sides fixedly connected with gag lever post of diaphragm, the one end fixedly connected with fixed plate of diaphragm is kept away from to the gag lever post, threaded connection has a plurality of bolts on the fixed plate, elevating system is including a plurality of risers and a plurality of riser, two rotate between the riser and be connected with the axis of rotation. The utility model discloses, through elevating system's effect, utilize the cooperation between driving motor and the wire rope on the one hand, do not need the staff manual to go up and down, promoted staff's work efficiency, when having reduced the staff and having climbed, the long danger of operating time, on the other hand utilizes the cooperation between circle cover and the inserted bar, has promoted the power transmission line and has placed the stability on the couple, avoids the power transmission line to drop the trouble of bringing for the staff.

Description

A ground wire lifting device for overhead transmission lines

technical field

The utility model relates to the technical field of power transmission lines, in particular to a ground wire lifting device for overhead power transmission lines.

Background technique

The transmission lines of the power system are equipped with overhead grounding wires. The overhead grounding wires are hung on the tower end through hanging rings and wire clips. With time and wind and other environmental influences, the hanging rings and wire clips will wear out and need to be replaced. During the replacement process It is necessary to use an overhead ground wire lifter to lift the ground wire. The existing ground wire lifter is fixed at the tower end. When in use, the ground wire is hung on the hook of the wire lifter, and the staff operates the hand wheel. Rotate the lead screw, lift the ground wire bit by bit, and work at high altitude, which requires high physical requirements for the staff. The longer the working time, the more likely to be dangerous. This operation method takes a long time, has low efficiency, and is prone to danger. At the same time, the existing hooks are fixed by bolts, which will be damaged after long-term use. When they need to be replaced, they are not easy to disassemble, which increases the trouble of the staff and reduces the work efficiency of the staff's disassembly. Ground wire lifting equipment for overhead transmission lines.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a ground wire lifting device for overhead transmission lines.

In order to achieve the above object, the utility model adopts the following technical solutions:

A ground wire lifting device for overhead power transmission lines, including a horizontal plate, a protection box, a lifting mechanism and an installation mechanism, the two sides of the bottom of the horizontal plate are fixedly connected with limit rods, and the limit rods are far away from the horizontal plate. One end is fixedly connected with a fixing plate, and a plurality of bolts are threaded on the fixing plate;

The lifting mechanism includes a plurality of vertical boards and a plurality of vertical boards, a rotating shaft is rotatably connected between the two vertical boards, one end of the rotating shaft is fixedly connected with a drive motor, and the outer wall of the rotating shaft is fixed A steel wire rope is connected, a fixed rod is fixedly connected between the two vertical plates, the outer wall of the fixed rod is rotatably connected with a roller, and a lifting plate is slidably connected between the two limit rods.

Preferably, the mounting mechanism includes a mounting plate and a square plug, the bottom of the mounting plate is fixedly connected with a hook and a vertical rod, the hook is slidably connected with a round sleeve, and the bottom of the lifting plate is connected with a connecting rope The end of the connecting rope away from the lifting plate is fixedly connected with the insertion rod, the mounting plate and the lifting plate are provided with square slots, and the two square slots are correspondingly arranged, and the lifting plate is located in the square plug One side of the groove is also provided with a connecting cavity, and the insides of the two connecting cavities are respectively slidably connected with a sliding horizontal plate and an L-shaped sliding plate, and the two sides of the sliding horizontal plate and the L-shaped sliding plate are fixedly connected with telescopic springs.

Preferably, one end of the steel wire rope is connected to the rotating shaft, the other end of the steel wire rope is connected to the top of the lifting plate, and a connection hole is opened on the horizontal plate, and the steel wire rope is connected to the lifting plate through the connection hole. The steel wire rope and the connecting hole are slidingly arranged, and the steel wire rope and the roller are slidingly arranged.

Preferably, a mounting block is connected to the top of the horizontal plate, the driving motor is fixed to the horizontal plate through the mounting block, and the vertical plate, driving motor, rotating shaft, vertical plate, fixed rod and rollers are all located inside the protection box , sliding holes are opened on both sides of the lifting plate, and the lifting plate is slidably connected with the limit rod through the sliding holes.

Preferably, the square insert and the square slot are slidingly arranged, the square insert is provided with a square chute, and the square chute is provided with a square hole, and the L-shaped sliding plate and the sliding horizontal plate Both the square chute and the square hole are slidingly arranged, and a sliding groove is opened on the connecting cavity, and the L-shaped sliding plate and the sliding horizontal plate extend to the inside of the square slot through the sliding groove, and the L-shaped sliding plate and The other end of the sliding horizontal plate extends to the outside of the lifting plate.

Preferably, the vertical rod and the round sleeve are provided with installation holes, the insertion rod and the installation hole are slidingly arranged, and the insertion rod fixes the round sleeve and the vertical rod through the installation hole.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model proposes a ground wire lifting device for overhead transmission lines. Through the function of the installation mechanism, the disassembly and installation between the installation plate and the lifting plate are simplified, and the work efficiency of the staff to disassemble the hook is improved. Less hassle for staff.

2. The utility model proposes a ground wire lifting device for overhead transmission lines. Through the function of the lifting mechanism, on the one hand, it utilizes the cooperation between the drive motor and the steel wire rope, and does not require manual lifting by the staff, which improves the work efficiency. The work efficiency of personnel reduces the danger of long operation time when the staff climbs high. On the other hand, the cooperation between the round sleeve and the insertion rod improves the stability of the transmission line placed on the hook and prevents the transmission line from falling off. Annoyance to staff.

Description of drawings

Fig. 1 is the structural representation of a kind of ground wire lifting equipment that is used for overhead power transmission line that the utility model proposes;

Fig. 2 is a bottom structure schematic diagram of a ground wire lifting device for overhead transmission lines proposed by the utility model;

Fig. 3 is a top view cross-sectional structural schematic diagram of a ground wire lifting device for overhead transmission lines proposed by the utility model;

Fig. 4 is the sectional view of lifting plate and mounting plate;

Fig. 5 is an enlarged view of A in Fig. 2 .

Among the figure: 1, horizontal plate; 2, protective box; 201, vertical plate; 202, drive motor; 203, rotating shaft; 204, steel wire rope; 205, vertical plate; 206, fixed rod; 207, roller; 208, limit Rod; 209, lifting plate; 3, fixed plate; 4, bolt; 5, mounting plate; 501, hook; 502, round sleeve; 503, vertical rod; 504, connecting rope; 505, inserting rod; 507, sliding horizontal plate; 508, L-shaped sliding plate; 6, square inserting block.

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.

As shown in Figure 1, a ground wire lifting device for overhead transmission lines includes a horizontal plate 1, a protection box 2, a lifting mechanism and an installation mechanism, and the two sides of the bottom of the horizontal plate 1 are fixedly connected with limit rods 208, which limit One end of the positioning rod 208 away from the horizontal plate 1 is fixedly connected with a fixed plate 3, and a plurality of bolts 4 are threaded on the fixed plate 3;

As shown in Fig. 1, Fig. 2 and Fig. 3, the lifting mechanism includes a plurality of vertical plates 201 and a plurality of vertical plates 205, and a rotating shaft 203 is rotatably connected between the two vertical plates 201, and one end of the rotating shaft 203 is fixedly connected with a Drive motor 202, the top of horizontal plate 1 is connected with mounting block, and driving motor 202 is fixed with horizontal plate 1 by mounting block, and the outer wall of rotating shaft 203 is fixedly connected with steel wire rope 204, and one end of steel wire rope 204 is connected on the rotating shaft 203, and steel wire rope The other end of 204 is connected to the top of the lifting plate 209, and a connection hole is provided on the horizontal plate 1, and the steel wire rope 204 is connected with the lifting plate 209 through the connection hole. A fixed rod 206 is fixedly connected between the two vertical plates 205, the outer wall of the fixed rod 206 is rotatably connected with a roller 207, and a lifting plate 209 is slidingly connected between the two limit rods 208, and the two sides of the lifting plate 209 are provided with Sliding hole, the lifting plate 209 is slidably connected with the limit rod 208 through the sliding hole, the vertical plate 201, the driving motor 202, the rotating shaft 203, the vertical plate 205, the fixed rod 206 and the roller 207 are all located in the inside of the protection box 2;

As shown in Fig. 2, Fig. 4 and Fig. 5, the mounting mechanism includes a mounting plate 5 and a square insert 6, a hook 501 and a vertical rod 503 are fixedly connected to the bottom of the mounting plate 5, and a round sleeve 502 is slidably connected to the hook 501. The bottom of the lifting plate 209 is connected with a connecting rope 504, and the end of the connecting rope 504 away from the lifting plate 209 is fixedly connected with an insertion rod 505. Both the vertical rod 503 and the round sleeve 502 are provided with installation holes, and the insertion rod 505 and the installation hole are slidingly arranged. , the inserting rod 505 fixes the round sleeve 502 and the vertical bar 503 through the mounting hole, the mounting plate 5 and the lifting plate 209 are provided with square slots, and the two square slots are correspondingly arranged, and the lifting plate 209 is located at the side of the square slot There is also a connecting cavity on one side, and the insides of the two connecting cavities are respectively slidingly connected with a sliding horizontal plate 507 and an L-shaped sliding plate 508, and the two sides of the sliding horizontal plate 507 and the L-shaped sliding plate 508 are fixedly connected with telescopic springs 506, and the square plugs The block 6 and the square slot are sliding settings, the square plug 6 is provided with a square chute, and the square chute is provided with a square hole, the L-shaped sliding plate 508 and the sliding horizontal plate 507 are both the same as the square chute and the square hole. Sliding setting, a sliding groove is opened on the connecting cavity, the L-shaped sliding plate 508 and the sliding horizontal plate 507 extend to the inside of the square slot through the sliding groove, and the other ends of the L-shaped sliding plate 508 and the sliding horizontal plate 507 extend to the lifting plate 209 of the exterior.

As shown in Figures 1-5, the functional principle of the utility model can be explained through the following operation mode: when the hook 501 needs to be installed, firstly, the installation plate 5 corresponds to the square slot on the lifting plate 209, and then the square Insert block 6 is inserted in the square slot, when L-shaped sliding plate 508 and sliding horizontal plate 507 touch square chute, L-shaped sliding plate 508 and sliding horizontal plate 507 slide in the square chute, when L-shaped sliding When the plate 508 and the sliding horizontal plate 507 touch the square hole, the L-shaped sliding plate 508 and the sliding horizontal plate 507 are inserted into the square hole according to the effect of the telescopic spring 506, thereby fixing the mounting plate 5 and the lifting plate 209. When dismounting, you only need to pull the L-shaped sliding plate 508 and the sliding horizontal plate 507 outwards, so that the L-shaped sliding plate 508 and the sliding horizontal plate 507 are separated from the square hole, and then take out the square plug. It should be noted that, through this The setting of simplifies the disassembly and installation between the installation plate 5 and the lifting plate 209, improves the work efficiency of the staff to disassemble the hook 501, and reduces the trouble of the staff;

When it is necessary to carry out wire lifting, first turn the driving motor 202 forward to make it rotate, and when the driving motor 202 rotates, it drives the rotating shaft 203 to rotate, so that the steel wire rope 204 slides downward according to the action of the roller 207, so that the lifting plate 209 descends to the bottom of the limit rod 208, at this time, put the transmission line inside the hook 501, then slide the round sleeve 502 upwards, so that the vertical rod 503 corresponds to the mounting hole on the circular sleeve 502, and insert the insertion rod 505 into the mounting hole , and then reversely turn on the drive motor 202 to lift the lifting plate 209 up. It should be noted that, through such a setting, on the one hand, the cooperation between the drive motor 202 and the wire rope 204 is used, and the staff does not need to manually lift , improve the working efficiency of the staff, reduce the danger of long operation time when the staff climbs high, and on the other hand, use the cooperation between the round sleeve 502 and the insertion rod 505 to improve the power transmission line placed on the hook 501. Stability, to avoid the troubles caused by the power line falling off to the staff.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A ground wire lifting device for overhead transmission lines, comprising a horizontal plate (1), a protection box (2), a lifting mechanism and an installation mechanism, characterized in that the bottom sides of the horizontal plate (1) Fixedly connected with a limit rod (208), the end of the limit rod (208) away from the horizontal plate (1) is fixedly connected with a fixed plate (3), and a plurality of bolts (4) are threaded on the fixed plate (3). ); The lifting mechanism includes a plurality of vertical plates (201) and a plurality of vertical plates (205), and a rotating shaft (203) is rotatably connected between the two vertical plates (201), and the rotating shaft (203) One end is fixedly connected with a drive motor (202), the outer wall of the rotating shaft (203) is fixedly connected with a steel wire rope (204), and a fixed rod (206) is fixedly connected between the two vertical plates (205). A roller (207) is rotatably connected to the outer wall of the fixed rod (206), and a lifting plate (209) is slidably connected between the two limiting rods (208). 2. A kind of ground wire lifting equipment for overhead power transmission lines according to claim 1, characterized in that, the installation mechanism includes a mounting plate (5) and a square plug (6), and the mounting plate The bottom of (5) is fixedly connected with a hook (501) and a vertical bar (503), the hook (501) is slidably connected with a round sleeve (502), and the bottom of the lifting plate (209) is connected with a connecting rope (504 ), the end of the connecting rope (504) away from the lifting plate (209) is fixedly connected with the insertion rod (505), the mounting plate (5) and the lifting plate (209) are provided with square slots, and two The square slots are arranged correspondingly, and the lifting plate (209) is located on one side of the square slots and also has a connecting cavity, and the insides of the two connecting cavities are slidingly connected with a sliding horizontal plate (507) and an L-shaped sliding plate respectively. plate (508), the two sides of the sliding horizontal plate (507) and the L-shaped sliding plate (508) are fixedly connected with telescopic springs (506). 3. A ground wire lifting device for overhead transmission lines according to claim 1, characterized in that, one end of the steel wire rope (204) is connected to the rotating shaft (203), and the steel wire rope (204) The other end is connected to the top of the lifting plate (209), and a connecting hole is opened on the horizontal plate (1), and the steel wire rope (204) is connected with the lifting plate (209) through the connecting hole, and the steel wire rope (204) The connecting hole is for sliding setting, and the steel wire rope (204) and roller (207) are for sliding setting. 4. A ground wire lifting device for overhead power transmission lines according to claim 1, characterized in that, a mounting block is connected to the top of the horizontal plate (1), and the drive motor (202) is installed by The block is fixed with the horizontal plate (1), and the vertical plate (201), drive motor (202), rotating shaft (203), vertical plate (205), fixed rod (206) and rollers (207) are all located in the protection box ( 2) Inside, sliding holes are opened on both sides of the lifting plate (209), and the lifting plate (209) is slidably connected with the limit rod (208) through the sliding holes. 5. A ground wire lifting device for overhead transmission lines according to claim 2, characterized in that, the square insert (6) and the square slot are slidingly arranged, and the square insert (6) ) is provided with a square chute, and the square chute is provided with a square hole, the L-shaped sliding plate (508) and the sliding horizontal plate (507) are slidingly set with the square chute and the square hole, and the A sliding groove is provided on the connecting cavity, and the L-shaped sliding plate (508) and the sliding horizontal plate (507) extend to the inside of the square slot through the sliding groove, and the L-shaped sliding plate (508) and the sliding horizontal plate (507) ) extends to the outside of the lifting plate (209). 6. A ground wire lifting device for overhead transmission lines according to claim 2, characterized in that, the vertical rod (503) and the round sleeve (502) are provided with mounting holes, and the plug The rod (505) and the mounting hole are slidingly arranged, and the inserting rod (505) fixes the circular sleeve (502) and the vertical rod (503) through the mounting hole.

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