CN113937658A

CN113937658A - Special guide rail for overhead ground wire

Info

Publication number: CN113937658A
Application number: CN202111214194.1A
Authority: CN
Inventors: 覃甘简; 谭永殿; 朱政宇; 赵龙; 唐锋华; 韦跞; 蒙寿山; 马俭; 黄华飞; 唐秦; 蓝勇
Original assignee: Baise Bureau of Extra High Voltage Transmission Co
Current assignee: Baise Bureau of Extra High Voltage Transmission Co
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-01-14
Anticipated expiration: 2041-10-19
Also published as: CN113937658B

Abstract

The invention discloses a special guide rail for an overhead ground wire, belonging to the technical field of high-altitude maintenance operation of a high-voltage transmission line, and comprising ground wire bracket back-to-back angle steel, wherein the lower end of the ground wire bracket back-to-back angle steel is fixedly provided with a triangular yoke plate, two ends of the side wall of the triangular yoke plate are both rotationally provided with symmetrical insulators, the lower ends of the two insulators are both rotationally provided with suspension wire clamps, the two suspension wire clamps are jointly and fixedly provided with a ground wire, the upper end of the triangular yoke plate is provided with a U-shaped hanging buckle, the lower end of the U-shaped hanging buckle is longitudinally and fixedly provided with a guide groove, the inside of the guide groove is longitudinally provided with symmetrical tightening screw rods, the upper end of the tightening screw rods penetrates through the upper side wall of the guide groove to extend to the upper end of the guide groove and is fixedly provided with a ratchet wrench, the side wall of a lifting slide block is slidably connected with the inner wall of the guide groove, so that the replacement and the reinforcement of the ground wire are more convenient, the carrying of the site operation is facilitated, and the mounting difficulty is reduced.

Description

Special guide rail for overhead ground wire

Technical Field

The invention relates to the technical field of high-altitude maintenance operation of high-voltage transmission lines, in particular to a special guide rail for an overhead ground wire.

Background

The remote high-voltage transmission lines in and out of the country are exposed to the field environment for a long time to operate, the spanned regions and the appearances are variable, the meteorological conditions are complex, line patrol inspection is performed on the lines at regular intervals or under the specific climatic conditions, the important work for ensuring the safe operation of the transmission lines is achieved, and the line patrol inspection is mainly used for inspecting whether the facilities such as the line environment, a tower, a stay wire, a foundation, a lead wire, a ground wire, an insulator, hardware fittings, a lightning protection facility, a grounding device, accessories and the like are abnormal or damaged.

To the detection mode of the inspection worker visual inspection mode that at present generally adopts, because extra-high voltage transmission line iron tower is higher, the span is great, line corridor topography is complicated, it is difficult or even unable to guarantee in time to discover transmission facility potential safety hazard to patrol the line mode in many important line corridors manually, in recent years, current overhead earth wire unwrapping wire coaster is used when overhead earth wire is changed or reinforcement is gone up the reinforcement through the exhibition to ground change, based on the unwrapping wire requirement, the wheel footpath of unwrapping wire coaster is more than 15 times of overhead earth wire diameter at least, consequently, it is great just to make overhead earth wire coaster wheel footpath, the gravity of unwrapping wire coaster has been increased, be unfavorable for the transport of site operation simultaneously, work such as installation.

Disclosure of Invention

The invention aims to provide a special guide rail for an overhead ground wire, which aims to solve the problems that the diameter of a wheel of a pay-off pulley is at least 15 times of that of the overhead ground wire in the process of replacing or reinforcing the overhead ground wire, so that the diameter of the wheel of the pay-off pulley is larger, the gravity of the pay-off pulley is increased, and the work such as carrying, installation and the like of field construction operation is not facilitated.

In order to achieve the purpose, the invention provides the following technical scheme: a purpose-built guide rail for overhead ground wires comprises ground wire support back-to-back angle steel, wherein a triangular yoke plate is fixedly arranged at the lower end of the ground wire support back-to-back angle steel, symmetrical insulators are rotatably arranged at two ends of the side wall of the triangular yoke plate, suspension wire clamps are rotatably arranged at the lower ends of the two insulators, a ground wire is fixedly arranged on the two suspension wire clamps together, a U-shaped hanging buckle is arranged at the upper end of the triangular yoke plate, a guide groove is longitudinally and fixedly arranged at the lower end of the U-shaped hanging buckle, symmetrical tightening screw rods are longitudinally arranged in the guide groove, the upper end of each tightening screw rod penetrates through the upper side wall of the guide groove and extends to the upper end of the guide groove, a ratchet wrench is fixedly arranged on the upper end of each tightening screw rod, a lifting slide block is arranged on the rod wall of each tightening screw rod, the side wall of each lifting slide block is slidably connected with the inner wall of the guide groove, a rolling shaft is transversely arranged at the lower end in the guide groove, the lower extreme of guide slot inside is fixed and is provided with the back shaft, the axle wall of back shaft is fixed and is provided with the curb plate of symmetry, two the curb plate lateral wall all rotates and is provided with the drive wheel.

Preferably, one end of the U-shaped hanging buckle is rotatably connected with the upper side wall of the triangular connecting plate, and the other end of the U-shaped hanging buckle is fixedly connected with the other end of the triangular connecting plate in an inserting mode through the locking screw rod.

Preferably, the lifting slide needs to be lowered to the lowermost end before it is not in use.

Preferably, both ends of the roller are slidably connected with the inner wall of the guide groove.

Preferably, the two driving wheels are made of rubber materials.

Compared with the prior art, the invention has the beneficial effects that:

through the common cooperation of the U-shaped hanging buckle, the tightening screw rod, the guide groove, the lifting slide block, the driving wheel, the side plate supporting shaft, the locking screw rod, the ratchet wrench and the rolling shaft, the ground wire can be conveniently replaced and strengthened, the carrying of site construction operation is facilitated, and the mounting difficulty is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 2;

FIG. 4 is a schematic sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic sectional view taken along line B-B in FIG. 3;

FIG. 6 is a schematic structural view of the U-shaped buckle when unlocked;

FIG. 7 is a schematic structural view of the U-shaped buckle when locked;

FIG. 8 is a schematic view of the structure of the ground wire when it is poured into the driving wheel;

FIG. 9 is a schematic view of the ground wire being raised to the working position;

FIG. 10 is a schematic view of the structure of the installed suspension clamp;

FIG. 11 is a schematic diagram of the structure of the job.

In the figure: the ground wire lifting device comprises 1 ground wire support back-to-back angle steel, 2 triangular connecting plates, 3 insulators, 4 suspension wire clamps, 5 ground wires, 6U-shaped hanging buckles, 7 guide grooves, 8 tightening screw rods, 9 ratchet wrenches, 10 lifting slide blocks, 11 rolling shafts, 12 supporting shafts, 13 side plates, 14 driving wheels and 15 locking screws.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-11, the present invention provides a technical solution: a purpose-made guide rail for an overhead ground wire comprises ground wire bracket back-to-back angle steel 1, a triangular yoke plate 2 is fixedly arranged at the lower end of the ground wire bracket back-to-back angle steel 1, symmetrical insulators 3 are rotatably arranged at two ends of the side wall of the triangular yoke plate 2, suspension wire clamps 4 are rotatably arranged at the lower ends of the two insulators 3, a ground wire 5 is fixedly arranged on the two suspension wire clamps 4 together, a U-shaped hanging buckle 6 is arranged at the upper end of the triangular yoke plate 2, a guide groove 7 is longitudinally and fixedly arranged at the lower end of the U-shaped hanging buckle 6, symmetrical tightening screw rods 8 are longitudinally arranged in the guide groove 7, the upper end of each tightening screw rod 8 penetrates through the upper side wall of the guide groove 7 to extend to the upper end of the guide groove 7 and is fixedly provided with a ratchet wrench 9, a lifting slide block 10 is arranged on the rod wall of each tightening screw rod 8, the side wall of the lifting slide block 10 is slidably connected with the inner wall of the guide groove 7, and a rolling shaft 11 is transversely arranged at the lower end in the guide groove 7, the two ends of the roller 11 are connected with the inner wall of the guide groove 7 in a sliding mode, a support shaft 12 is fixedly arranged at the lower end inside the guide groove 7, symmetrical side plates 13 are fixedly arranged on the shaft wall of the support shaft 12, driving wheels 14 are rotatably arranged on the side walls of the two side plates 13, the two driving wheels 14 are made of rubber materials, abrasion to the ground wire 5 in the using process is avoided, and therefore damage is avoided.

One end of the U-shaped hanging buckle 6 is rotatably connected with the upper side wall of the triangular yoke plate 2, and the other end of the U-shaped hanging buckle 6 is fixedly connected with the other end of the triangular yoke plate 2 in an inserting mode through a locking screw 15.

Before the ground wire is not used, the lifting slide block 10 needs to be lowered to the lowest end, the ground wire 5 is convenient to install, and the ground wire 5 is easy to insert at the upper end of the driving wheel 14.

The working principle is as follows: the locking screw 15 is firstly opened, then the U-shaped hanging buckle 6 is opened, the device is hung on the triangular connecting plate 2, then the ratchet wrench 9 is used for lowering the lifting slide block 10 to the bottommost end, the ground wire 5 is poured into the device, then the ratchet wrench 9 is used for lifting the ground wire 5 to a specified operation place, then the hanging wire clamp 4 is installed, the ground wire 5 can be tightened, finally the lifting slide block 10 is lowered to the bottommost end, the U-shaped hanging buckle 6 is opened, and the device is taken out to complete the operation.

While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a purpose-built guide rail of overhead earth wire, includes ground wire support back-to-back angle steel (1), its characterized in that: the ground wire support is characterized in that a triangular yoke plate (2) is fixedly arranged at the lower end of back-to-back angle steel (1), symmetrical insulators (3) are arranged at two ends of the side wall of the triangular yoke plate (2) in a rotating mode, suspension wire clamps (4) are arranged at the lower ends of the two insulators (3) in a rotating mode, a ground wire (5) is fixedly arranged on the two suspension wire clamps (4) together, a U-shaped hanging buckle (6) is arranged at the upper end of the triangular yoke plate (2), a guide groove (7) is longitudinally and fixedly arranged at the lower end of the U-shaped hanging buckle (6), symmetrical tightening screw rods (8) are longitudinally arranged in the guide groove (7), the upper end of each tightening screw rod (8) penetrates through the upper side wall of the guide groove (7) to extend to the upper end of the guide groove (7) and is fixedly provided with a ratchet wrench (9), a lifting slider (10) is arranged on the rod wall of each tightening screw rod (8), and the side wall of the lifting slider (10) is connected with the inner wall of the guide groove (7) in a sliding mode, the roller bearing (11) is transversely arranged at the lower end inside the guide groove (7), the supporting shaft (12) is fixedly arranged at the lower end inside the guide groove (7), symmetrical side plates (13) are fixedly arranged on the shaft wall of the supporting shaft (12), and driving wheels (14) are rotatably arranged on the side walls of the two side plates (13).

2. An overhead ground wire special guide rail according to claim 1, characterized in that: the U-shaped hanging buckle is characterized in that one end of the U-shaped hanging buckle (6) is rotatably connected with the upper side wall of the triangular connecting plate (2), and the other end of the U-shaped hanging buckle (6) is fixedly connected with the other end of the triangular connecting plate (2) in an inserting mode through a locking screw (15).

3. An overhead ground wire special guide rail according to claim 1, characterized in that: before being used, the lifting slider (10) needs to be lowered to the lowermost end.

4. An overhead ground wire special guide rail according to claim 1, characterized in that: both ends of the rolling shaft (11) are in sliding connection with the inner wall of the guide groove (7).

5. An overhead ground wire special guide rail according to claim 1, characterized in that: the two driving wheels (14) are made of rubber materials.