CN215854458U

CN215854458U - Automatic telescopic ground wire trolley

Info

Publication number: CN215854458U
Application number: CN202122044725.9U
Authority: CN
Inventors: 高建涛; 周健; 徐海东; 陈昆
Original assignee: Lianyungang Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Lianyungang Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-18
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses an automatic telescopic ground wire trolley. The device comprises a vehicle bottom plate, traveling wheels, a traveling wheel rotating shaft, a wire coil supporting frame, a wire coil bearing, a wire coil rotating shaft, a grounding wire coil, a clockwork spring, a rotating shaft jack and a manual crank; when the operation and maintenance personnel install the grounding wire, the operation and maintenance personnel only need to push the automatic telescopic grounding wire trolley to be close to the grounding pile of the equipment area, lock the end part of the grounding wire at the hook of the operating rod and pull out the three-phase wire by enough length to install the grounding wire; after the work, the staff only need pull down the earth connection, and unblock wire connects department, utilizes clockwork spring resilience force and crank helping hand just can easily be good with the wire coil. The utility model can complete the winding and carrying work by only one person, greatly reduces the labor intensity of workers, is beneficial to removing the grounding wire, saves time and labor and effectively improves the working efficiency.

Description

Automatic telescopic ground wire trolley

Technical Field

The utility model relates to a transformer substation grounding wire transportation device, in particular to a transformer substation grounding wire trolley.

Background

At present, most of ground wire trolleys used in substations adopt a multi-section assembled insulation rod scheme, the ground wires are fixed to the top end of the insulation rod and are wound on the insulation rod to be carried and stored, and the ground wires are required to be collected and released by double rotating the insulation rod before and after being used and are carried between an equipment area and a tool room. The set of grounding wire meeting the regulations of electric power safety work regulations weighs 25 kg (more than 80% of the mass of the wire), and operation and maintenance personnel have high labor intensity, waste time and energy and low efficiency in the whole transportation and use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic telescopic ground wire trolley, which effectively reduces the labor intensity of operation and maintenance personnel in carrying, releasing and collecting ground wires and improves the working efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic telescopic ground wire trolley comprises a trolley bottom plate, traveling wheels and traveling wheel rotating shafts, wherein a plurality of traveling wheel rotating shafts are arranged on the lower surface of the trolley bottom plate, and the traveling wheels are symmetrically arranged on the traveling wheel rotating shafts in a sleeving manner; the ground wire coil is internally provided with a clockwork spring, the clockwork spring is a spring which winds a flat steel strip into a plane spiral shape, the center end of the spring is fixed on a rotating shaft of the coil, when the ground wire is pulled out in use, the flat steel strip is subjected to bending moment after the tail end of the spring acts on torque, the spring is bent and deformed, so that the spring is twisted on the plane of the spring, and the clockwork spring stores force in the process; when the ground wire is used for recovery, the spring releases elasticity, and the ground wire is automatically wound back into the corresponding wire coil groove of the ground wire coil; one end of the wire coil rotating shaft is provided with a rotating shaft inserting hole, and the manual crank is connected to the wire coil rotating shaft in a mode of inserting the rotating shaft inserting hole.

In a preferred embodiment, the grounding wire coil is divided into three parts by the wire coil wire grooves, and the A-phase grounding wire, the B-phase grounding wire and the C-phase grounding wire are wound on the three parts respectively.

As a preferred embodiment, the side surface of the spool support frame is provided with a first spool braking hole, the side surface of the ground wire spool is provided with a plurality of second spool braking holes having the same shape as the first spool braking hole, and when the second spool braking holes move to a position aligned with the first spool braking holes, the braking of the ground wire spool can be realized by inserting a brake rod between the first spool braking holes and the second spool braking holes.

In a preferred embodiment, the first spool braking hole and the spindle insertion hole are identical in shape, and the manual crank can be inserted between the first spool braking hole and the second spool braking hole to brake the ground wire spool.

As a preferred embodiment, a wire arranging device is arranged on the upper surface of the vehicle bottom plate on one side of the ground wire coil conveying the ground wire, the wire arranging device comprises a wire arranging device support and a wire arranging device through hole, and the diameter of the wire arranging device through hole is larger than that of the ground wire and smaller than that of the end of the ground wire.

As a preferred implementation mode, the trolley handrail fixing device is characterized in that a handrail fixing plate is arranged on the upper surface of a trolley bottom plate, and a trolley handrail is arranged at one end, far away from the trolley bottom plate, of the handrail fixing plate.

Compared with the prior art, the utility model has the beneficial effects that: (1) according to the utility model, the ground wire is carried by the trolley, the wire coil of the ground wire assists in winding, the labor intensity of operation and maintenance personnel is reduced, time and labor are saved for installing and removing the ground wire, and the working efficiency is greatly improved; (2) the wire arranging device is arranged at the front end of the vehicle bottom plate and corresponds to a wire groove of a wire coil grounding wire coil, so that the problems of winding and knotting of a grounding wire and the like can be effectively avoided; (3) a spring is arranged in the middle shaft direction of the ground wire coil, so that the ground wire can be automatically tightened, and the ground wire can also be tightened through a manual crank, so that a complicated mode of manually winding the ground wire is omitted.

Drawings

FIG. 1 is a schematic view of the structure of the cart and wire coil of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a front view of the present invention;

in the figure: 1 vehicle bottom board, 2 walking wheels, 3 walking wheel pivots, 4 drum support frames, 5 drum bearings, 6 drum pivots, 7 earth connection drums, 8 clockwork spring, 9 pivot jacks, 10 manual crank, 11 drum wire casings, 12 first drum braking holes, 13 second drum braking holes, 14 reason line ware, 15 reason line ware supports, 16 reason line ware through-holes, 17 handrail fixed plates, 18, dolly handrail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An automatic telescopic ground wire trolley comprises a trolley bottom plate, traveling wheels and traveling wheel rotating shafts, wherein a plurality of traveling wheel rotating shafts are arranged on the lower surface of the trolley bottom plate, and the traveling wheels are symmetrically arranged on the traveling wheel rotating shafts in a sleeving manner; the ground wire coil is internally provided with a clockwork spring, the clockwork spring is a spring which winds a flat steel strip into a plane spiral shape, the center end of the spring is fixed on a rotating shaft of the coil, when the ground wire is pulled out in use, the flat steel strip is subjected to bending moment after the tail end of the spring acts on torque, the spring is bent and deformed, so that the spring is twisted on the plane of the spring, and the clockwork spring stores force in the process; when the ground wire is used for recovery, the spring releases elasticity, and the ground wire is automatically wound back into the corresponding wire coil groove of the ground wire coil; one end of the wire coil rotating shaft is provided with a rotating shaft inserting hole, and the manual crank is connected to the wire coil rotating shaft in a mode of inserting the rotating shaft inserting hole.

Example 1

As shown in fig. 1, 2 and 3, the automatic telescopic ground wire trolley comprises a trolley bottom plate 1, traveling wheels 2 and traveling wheel rotating shafts 3, wherein the two traveling wheel rotating shafts 3 are arranged on the lower surface of the trolley bottom plate 1, and the traveling wheels 2 are symmetrically arranged on the traveling wheel rotating shafts 3 in a sleeved mode; a pair of wire coil support frames 4 are arranged on the vehicle bottom plate 3, the wire coil support frames 4 are in a herringbone shape, through holes are formed in the tops of the wire coil support frames 4, and wire coil bearings 5 are arranged in the through holes; a wire coil rotating shaft 6 and a grounding wire coil 7 are arranged between the wire coil bearings 5; the grounding wire coil 7 is sleeved on the coil rotating shaft 6, a clockwork spring 8 is arranged in the grounding wire coil, and the center end of the spring is fixed on the coil rotating shaft 6; one end of the wire coil rotating shaft 6 is provided with a rotating shaft jack 9, and a manual crank 10 is connected to the wire coil rotating shaft 6 in a mode of being inserted into the rotating shaft jack 9; the trolley handrail 18 is vertically connected with the vehicle bottom plate 1 through a handrail fixing plate 17, and the wire arranging device 14 is vertically fixed at the front part of the vehicle bottom plate 1 and respectively corresponds to the wire coiling grooves 11.

Example 2

On the basis of embodiment 1, drum support frame 4 passes through welded connection with drum bearing 5, and drum pivot 5 one end has pivot jack 9, can insert manual crank 10 and rotate the drum. The grounding wire coil 7 is uniformly divided into three parts which are respectively wound with the A-phase grounding wires, the B-phase grounding wires and the C-phase grounding wires, and the three-phase grounding wires are separately wound. The wire coil support frame 4 is provided with a first wire coil braking hole 12, and when the first wire coil braking hole 12 is aligned with a second wire coil braking hole 13, a manual crank 10 can be inserted into the first wire coil braking hole to fix a wire coil.

Example 3

On the basis of embodiment 1, reason line ware 14 vertical welding is in the 1 front end of vehicle bottom plate, and the quantity of reason line ware is three, is on a parallel with line coil wire casing 11 winding A looks, B looks, C looks wire casing respectively, and under normal conditions, the earth connection line tip can't pass reason line ware through-hole 16 on 14 upper portions of reason line ware, so the earth connection can not knot when winding and unwrapping wire, facilitates the use and deposits.

The ground wire coil is fixed on the trolley, and when the operation and maintenance personnel install the hanging ground wire, the operation and maintenance personnel only need to push the automatic telescopic ground wire trolley to the position near the equipment area ground pile and insert the grounding end into the ground pile for fixing. The front part of the grounding wire is locked at the hook of the operating rod, a manual crank in a wire coil braking hole is pulled out, a three-phase wire is pulled out to be long enough, the manual crank is inserted into the wire coil braking hole to prevent the wire coil from rotating, and the grounding wire is hung on corresponding equipment. After the work, only need pull down the earth connection, unblock wire joint department utilizes clockwork spring resilience force and crank helping hand can easily be with 40 jin of wire coils about, extracts the earthing terminal, with the dolly push to the multiplexer utensil room can. Therefore, heavy physical labor of operation and maintenance personnel for carrying, winding and unfolding the grounding wire and the like can be greatly reduced, and the working efficiency is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic telescopic ground wire trolley comprises a trolley bottom plate (1), traveling wheels (2) and traveling wheel rotating shafts (3), wherein the traveling wheel rotating shafts (3) are arranged on the lower surface of the trolley bottom plate (1), and the traveling wheels (2) are symmetrically arranged on the traveling wheel rotating shafts (3) in a sleeved mode, and the trolley bottom plate is characterized in that a pair of wire coil supporting frames (4) are arranged on the upper surface of the trolley bottom plate (1), through holes are formed in the tops of the wire coil supporting frames (4), and wire coil bearings (5) are arranged inside the through holes; the wire coil bearings (5) are connected through a wire coil rotating shaft (6), and a grounding wire coil (7) is sleeved on the wire coil rotating shaft (6); a clockwork spring (8) is arranged in the ground wire coil (7), and the center end of the spring is fixed on the wire coil rotating shaft (6); one end of the wire coil rotating shaft (6) is provided with a rotating shaft insertion hole (9), and a manual crank (10) is connected to the wire coil rotating shaft (6) in a mode of inserting the rotating shaft insertion hole (9).

2. The automatic telescopic ground wire trolley as claimed in claim 1, wherein the ground wire coil (7) divides the ground wire into three parts through the coil wire slots (11), and the three parts are respectively wound with the A-phase, B-phase and C-phase ground wires.

3. An automatic telescopic ground wire trolley according to claim 1, characterized in that a first wire coil braking hole (12) is formed in the side surface of the wire coil support frame (4), and a plurality of second wire coil braking holes (13) with the same shape as the first wire coil braking hole (12) are formed in the side surface of the ground wire coil (7).

4. The automatic telescopic ground wire trolley is characterized in that the first wire reel braking hole (12) and the rotating shaft insertion hole (9) are identical in shape, and the manual crank (10) can be inserted between the first wire reel braking hole (12) and the second wire reel braking hole (13).

5. The automatic telescopic ground wire trolley is characterized in that a wire arranging device (14) is arranged on the upper surface of a trolley bottom plate (1) on one side, conveying the ground wires, of the ground wire coil (7), the wire arranging device (14) comprises a wire arranging device bracket (15) and a wire arranging device through hole (16), and the diameter of the wire arranging device through hole (16) is larger than that of the ground wire and smaller than that of the end of the ground wire.

6. The automatic telescopic ground wire trolley according to claim 1, wherein a handrail fixing plate (17) is arranged on the upper surface of the trolley bottom plate (1), and a trolley handrail (18) is arranged at one end, away from the trolley bottom plate (1), of the handrail fixing plate (17).