CN216904228U

CN216904228U - Overhead ground wire protection angle of power transmission iron tower

Info

Publication number: CN216904228U
Application number: CN202122808420.0U
Authority: CN
Inventors: 曾祥春; 李宝石; 万敏
Original assignee: Jiangsu Jodear Electrical Equipments Co ltd
Current assignee: Jiangsu Jodear Electrical Equipments Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-07-05
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the field of power supply machine transmission iron towers, and discloses an overhead ground wire protection angle of an electric power transmission iron tower, which comprises an iron tower fixing plate and a ground wire, the iron tower fixing plate is connected with a plurality of double-headed hanging rings through bolts, the double-headed hanging rings are connected with auxiliary pull rod assemblies through bolts, the ground wire penetrates through the auxiliary pull rod assemblies and is wound and fixedly connected with a main bearing U-shaped hanging ring, the overhead ground wire protective angle of the novel power transmission iron tower is characterized in that an auxiliary pull rod assembly is arranged in a penetrating way through a ground wire, a main bearing U-shaped hanging ring is wound by a fixing clamp, the main bearing U-shaped hanging ring and the auxiliary pull rod assembly are connected with a corresponding double-end hanging ring which is connected on an iron tower fixing plate through bolts, when the main bearing U-shaped hanging ring is damaged and broken accidentally, the auxiliary pull rod assembly can block the ground wire from being separated and has the main connection function, so that the reliability of the ground wire can be greatly improved.

Description

Overhead ground wire protection angle of power transmission iron tower

Technical Field

The utility model relates to the field of motor transmission iron towers, in particular to an overhead ground wire protection angle of an electric power transmission iron tower.

Background

A motor transmission iron tower is used for erecting electric wires at high altitude, and is high in height, and an overhead ground wire needs to be connected to prevent electric shock of lightning to the electric wires and prevent the electric power from being damaged.

The existing overhead ground wire is connected with the iron tower fixing plate through a single connecting hardware fitting, but if the single connecting hardware fitting is damaged, the overhead ground wire can directly fall off from the iron tower fixing plate, circuits borne by general iron towers are more and important, if the circuits are not found in time, the electric wire cannot be conducted through the overhead ground wire due to lightning stroke, the electric wire can be damaged, and the serious condition can cause large-scale power failure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an overhead ground wire protection angle of an electric power transmission iron tower, and solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an overhead earth wire angle of protection of electric power transmission iron tower, includes iron tower fixing plate and ground wire, there are a plurality of double-end links through bolted connection on the iron tower fixing plate, the double-end link has supplementary pull rod subassembly through bolted connection, the ground wire is worn to establish supplementary pull rod subassembly and is twined the rigid coupling and have main load U type link, the end-to-end connection of ground wire has a plurality of fixation clamps that are used for twining the main load U type link of rigid coupling, main load U type link passes through one of them double-end link of bolted connection.

Preferably, supplementary pull rod subassembly includes U type bearing plate, and the round hole that runs through is seted up at the middle part of U type bearing plate, the round hole is worn to establish by the ground wire, smooth chamber has been seted up in the both ends of U type bearing plate, and smooth intracavity sliding connection has the limiting plate that the matching set up, fixedly connected with slide bar on the limiting plate, and U type bearing plate and fixedly connected with U type connecting piece are run through to the one end of slide bar, are located the cover is equipped with the spring on the slide bar in the U type bearing plate, U type connecting piece passes through the bolt and is connected with one of them double-end link.

Preferably, be connected with the restriction subassembly that matches with the round hole on the ground wire, the restriction subassembly includes the card post, sets up the restriction hole that runs through on the card post, the restriction hole is worn to establish by the ground wire, run through the U type fastener that is used for connecting the ground wire on the card post, the both ends of U type fastener are connected with the nut, the cross section of card post is trapezoidal, and the lower extreme diameter of card post is not more than the diameter of round hole, and the upper end diameter of card post is not less than the diameter of round hole.

Preferably, connecting sleeves are sleeved on the main force bearing U-shaped hanging ring and the bolts for connecting the U-shaped connecting piece and the double-headed hanging ring, and the connecting sleeves are in sliding connection with the bolts and the double-headed hanging ring.

Preferably, the inner arc surface of the U-shaped clamping piece is provided with anti-slip grains.

Preferably, the outer arc surface of the clamping column and the inner wall of the round hole are both provided with elastic rubber layers.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

1. this kind of novel overhead earth wire angle of protection of electric power transmission iron tower wears to establish auxiliary pull rod subassembly and through fixation clamp winding main load U type link through setting up the ground wire, main load U type link and auxiliary pull rod subassembly all are connected through the double-end link that bolt and bolted connection correspond on iron tower fixed plate for when the main load U type link that takes place accident damages the fracture, auxiliary pull rod subassembly can block breaking away from of ground wire, and accept main connecting action, can make the reliability of ground wire obtain improving greatly.

2. This kind of novel power transmission iron tower's overhead earth wire angle of protection is connected with the restriction subassembly that matches with the round hole on setting up the ground wire, avoids ground wire and main load U type link winding end to damage the fracture, and the phenomenon that the ground wire breaks away from iron tower fixed plate has increased practicality and security.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a portion of an assist lever assembly according to the present invention;

FIG. 3 is a schematic structural view of the connecting sleeve of the present invention;

FIG. 4 is a schematic diagram of a restraining assembly according to the present invention.

In the figure: 1. an iron tower fixing plate; 2. a ground wire; 3. a main bearing U-shaped suspension loop; 4. a fixing clip; 5. a double-ended suspension loop; 6. a U-shaped bearing plate; 7. a U-shaped connecting piece; 8. a circular hole; 9. a slide chamber; 10. a slide bar; 11. a limiting plate; 12. a spring; 13. connecting sleeves; 14. clamping the column; 15. a limiting aperture; 16. a U-shaped clamping piece; 17. and a nut.

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.

Examples

Referring to fig. 1-4, an overhead ground wire protection angle for an electric power transmission iron tower comprises an iron tower fixing plate 1 and a ground wire 2, wherein the iron tower fixing plate 1 is connected with a plurality of double-headed hanging rings 5 through bolts, the double-headed hanging rings 5 are connected with auxiliary pull rod assemblies through bolts, the ground wire 2 penetrates through the auxiliary pull rod assemblies and is wound and fixedly connected with a main bearing U-shaped hanging ring 3, the tail end of the ground wire 2 is connected with a plurality of fixing clamps 4 for winding and fixedly connecting the main bearing U-shaped hanging ring 3, and the main bearing U-shaped hanging ring 3 is connected with one of the double-headed hanging rings 5 through bolts.

Referring to fig. 1 and 2, the auxiliary pull rod assembly includes a U-shaped force bearing plate 6, a through circular hole 8 is formed in the middle of the U-shaped force bearing plate 6, a ground wire 2 penetrates through the circular hole 8, sliding cavities 9 are formed in both ends of the U-shaped force bearing plate 6, a limiting plate 11 is slidably connected in the sliding cavities 9 and is matched with the sliding cavity, a sliding rod 10 is fixedly connected to the limiting plate 11, one end of the sliding rod 10 penetrates through the U-shaped force bearing plate 6 and is fixedly connected with a U-shaped connecting member 7, a spring 12 is sleeved on the sliding rod 10 positioned in the U-shaped force bearing plate 6, the U-shaped connecting member 7 is connected with one of the stud hanging rings 5 through a bolt, when the ground wire 2 is installed, the stud hanging rings 5 are connected with an iron tower fixing plate 1 through bolts, the main force bearing U-shaped hanging ring 3 and the U-shaped connecting member 7 are connected with the corresponding stud hanging rings 5 through bolts, the ground wire 2 penetrates through the circular hole 8 and the main U-shaped hanging ring 3 on the U-shaped force bearing plate 6, fixing through a fixing clamp 4; when the main bearing U-shaped hanging ring 3 or the double-end hanging ring 5 connected with the main bearing U-shaped hanging ring 3 is damaged and broken, the main bearing U-shaped hanging ring 3 and the fixing clamp 4 can be clamped on the U-shaped bearing plate 6, the auxiliary pull rod assembly bears the main connection effect, the falling force of the ground wire 2 can drive the U-shaped bearing plate 6 to press downwards, the limiting plate 11 limits the U-shaped bearing plate 6 to be separated from the slide rod 10, the spring 12 buffers, the falling force borne by the U-shaped bearing plate 6 is reduced, the damage to the auxiliary pull rod assembly or the double-end hanging ring 5 connected with the U-shaped connecting piece 7 is avoided, and the reliability of the ground wire 2 is greatly improved.

Referring to fig. 1, 2 and 4, a limiting assembly matched with the circular hole 8 is connected to the ground wire 2, the limiting assembly comprises a clamping column 14, a penetrating limiting hole 15 is formed in the clamping column 14, the ground wire 2 penetrates through the limiting hole 15, a U-shaped clamping piece 16 used for connecting the ground wire 2 penetrates through the clamping column 14, nuts 17 are connected to two ends of the U-shaped clamping piece 16, the cross section of the clamping column 14 is trapezoidal, the diameter of the lower end of the clamping column 14 is not larger than that of the circular hole 8, the diameter of the upper end of the clamping column 14 is not smaller than that of the circular hole 8, when the ground wire 2 is installed, the ground wire 2 penetrates through the limiting hole 15, and the nuts 17 are screwed, so that the U-shaped clamping piece 16 firmly clamps the ground wire 2; when the winding end of the ground wire 2 and the main bearing U-shaped hanging ring 3 is damaged and broken, the ground wire 2 drives the clamping column 14 to be clamped into the round hole 8, so that the auxiliary pull rod assembly bears the main connection effect, the phenomenon that the ground wire 2 is separated from the iron tower fixing plate 1 is avoided, and the practicability and the safety of the device are improved.

Referring to fig. 1 and 3, the connecting sleeves 13 are sleeved on the bolts for connecting the main force bearing U-shaped hanging ring 3 and the U-shaped connecting member 7 with the stud hanging ring 5, and the connecting sleeves 13 are slidably connected with the bolts and the stud hanging ring 5 to increase the friction area between the stud hanging ring 5 and the connecting bolts, so that the phenomenon that the bolts or the stud hanging ring 5 are damaged due to single-point friction between the connecting bolts and the stud hanging ring 5 after long-term use is avoided, and the safety is improved.

Referring to fig. 4, the inner arc surface of the U-shaped clamping member 16 is provided with anti-slip lines, so as to increase the firmness of the U-shaped clamping member 16 after clamping the ground wire 2.

Referring to fig. 1, 2 and 4, the outer arc surface of the clamping column 14 and the inner wall of the circular hole 8 are both provided with an elastic rubber layer, so that damage to the U-shaped bearing plate 6 and the clamping column 14 when the clamping column 14 is clamped into the circular hole 8 is reduced.

The working principle is as follows: when the ground wire 2 is installed, the plurality of double-headed hanging rings 5 are connected with the iron tower fixing plate 1 through bolts, the main bearing U-shaped hanging ring 3 and the U-shaped connecting piece 7 are connected with the corresponding double-headed hanging ring 5 through the bolts, and the ground wire 2 penetrates through the round hole 8 on the U-shaped bearing plate 6, the limiting hole 15 on the clamping column 14 and the main bearing U-shaped hanging ring 3 and is fixed through the fixing clamp 4; when the main bearing U-shaped hanging ring 3, the double-end hanging ring 5 connected with the main bearing U-shaped hanging ring 3 or the winding end of the ground wire 2 and the main bearing U-shaped hanging ring 3 are damaged and broken, the ground wire 2 drives the clamping column 14 to be clamped into the round hole 8, the falling force of the ground wire 2 can drive the U-shaped bearing plate 6 to press downwards, the limiting plate 11 limits the U-shaped bearing plate 6 to be separated from the sliding rod 10, and the spring 12 buffers to enable the auxiliary pull rod assembly to bear the main connection effect.

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. The utility model provides an overhead earth wire angle of protection of electric power transmission iron tower, includes iron tower fixed plate (1) and ground wire (2), its characterized in that, there are a plurality of double-end links (5) through bolted connection on iron tower fixed plate (1), double-end link (5) have supplementary pull rod assembly through bolted connection, supplementary pull rod assembly is worn to establish in ground wire (2) and the winding rigid coupling has main load U type link (3), the end-to-end connection of ground wire (2) has a plurality of fixation clamps (4) that are used for winding main load U type link (3) of rigid coupling, main load U type link (3) are connected with one of them double-end link (5) through the bolt.

2. The overhead ground wire protection angle of the power transmission iron tower according to claim 1, wherein the auxiliary pull rod assembly comprises a U-shaped bearing plate (6), a through round hole (8) is formed in the middle of the U-shaped bearing plate (6), the round hole (8) is formed in the ground wire (2), sliding cavities (9) are formed in two ends of the U-shaped bearing plate (6), limiting plates (11) are arranged in the sliding cavities (9) in a matching mode, sliding rods (10) are fixedly connected to the limiting plates (11), one ends of the sliding rods (10) penetrate through the U-shaped bearing plate (6) and are fixedly connected with U-shaped connecting pieces (7), springs (12) are sleeved on the sliding rods (10) in the U-shaped bearing plate (6), and the U-shaped connecting pieces (7) are connected with one of the double-headed suspension rings (5) through bolts.

3. The overhead ground wire protection angle of the power transmission iron tower is characterized in that the ground wire (2) is connected with a limiting component matched with the round hole (8), the limiting component comprises a clamping column (14), a penetrating limiting hole (15) is formed in the clamping column (14), the ground wire (2) penetrates through the limiting hole (15), a U-shaped clamping piece (16) used for being connected with the ground wire (2) penetrates through the clamping column (14), nuts (17) are connected to two ends of the U-shaped clamping piece (16), the cross section of the clamping column (14) is trapezoidal, the diameter of the lower end of the clamping column (14) is not larger than that of the round hole (8), and the diameter of the upper end of the clamping column (14) is not smaller than that of the round hole (8).

4. The overhead ground wire protection angle of the power transmission iron tower as claimed in claim 2, wherein the main bearing U-shaped suspension loop (3) and the bolts for connecting the U-shaped connecting piece (7) and the double-headed suspension loop (5) are respectively sleeved with a connecting sleeve (13), and the connecting sleeves (13) are slidably connected with the bolts and the double-headed suspension loop (5).

5. The overhead ground wire protection angle of the power transmission iron tower as claimed in claim 3, wherein the inner arc surface of the U-shaped clamping piece (16) is provided with anti-slip patterns.

6. The overhead ground wire protection angle of the power transmission iron tower according to claim 3, wherein the outer arc surface of the clamping column (14) and the inner wall of the round hole (8) are provided with elastic rubber layers.