CN216355916U

CN216355916U - Easy-maintenance lightning arrester for contact network

Info

Publication number: CN216355916U
Application number: CN202122717251.XU
Authority: CN
Inventors: 王怡; 曹昕鸷; 高雄; 钱炳芸; 任嘉祺
Original assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Current assignee: Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-19
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an easy-maintenance lightning arrester for a contact network, which comprises a support and a lightning arresting main body, wherein a mounting frame is connected between the support and the lightning arresting main body, the lightning arresting main body is fixed on the support through the mounting frame, the mounting frame comprises a U-shaped hole, a fastening piece and a blocking piece, and a connector is arranged at the end part of the lightning arresting main body. The utility model relates to an easy-maintenance lightning arrester for a contact network, which belongs to the field of lightning arresters.

Description

Easy-maintenance lightning arrester for contact network

Technical Field

The utility model relates to the field of lightning arresters, in particular to an easily-maintained lightning arrester for a contact network.

Background

An electrical appliance for protecting electrical equipment from high transient overvoltage during lightning strike, limiting follow current time, and also limiting follow current amplitude. Lightning arresters are sometimes also referred to as overvoltage protectors, overvoltage limiters. The lightning arrester is usually connected between a power grid wire and a ground wire, belongs to an indispensable component in a railway contact network system, can effectively carry out lightning protection on a railway contact network, and protects the normalization of railway operation; among the current railway contact net arrester, the arrester passes through mounting structure to be fixed on the contact net stand, can not adjust after the installation, uses to get up and has certain limitation, and the result of use is general to inconvenient dismantlement is unfavorable for going on of maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an easy-maintenance lightning arrester for a contact network, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an easy-to-maintain arrester for contact net, includes support and lightning-arrest main part, be connected with the mounting bracket between support and the lightning-arrest main part, and on lightning-arrest main part was fixed in the support through the mounting bracket, the mounting bracket includes U type hole, fastener and stops the piece, the tip of lightning-arrest main part is provided with the connector.

Preferably, the support comprises diaphragm, riser and strengthening rib, and has seted up the mounting hole on the riser in the support, be equipped with the bolt in the mounting hole on the support, and the support passes through the bolt fastening on the contact net stand.

Preferably, the U-shaped hole is formed in the support, the lower end of the lightning protection main body is located in the U-shaped hole, the fastening piece is arranged between the lightning protection main body and the support, and the blocking piece is arranged at the end portion of the support.

Preferably, the fastener includes fixed plate, through-hole, clamp plate, connecting bolt, gasket and coupling nut, fixed plate fixed mounting is in the lower extreme position department of lightning-arrest main part, and the diaphragm upper surface in the fixed plate contact support, the through-hole is seted up on the fixed plate, the diaphragm lower surface in the clamp plate contact support, the gasket cover is located on the connecting bolt, and connecting bolt connects on the clamp plate.

Preferably, a through hole is formed in the pressing plate, the connecting bolt penetrates through the through hole, the tail end of the connecting bolt sequentially penetrates through the U-shaped hole and the through hole, and the connecting nut is in threaded connection with the tail end of the connecting bolt.

Preferably, it includes screw hole, shelves pole, round hole, plectane and threaded rod to block the piece, the screw hole is seted up on the diaphragm in the support, the round hole is seted up on shelves pole, fixed connection between plectane and the threaded rod, and the threaded rod passes the round hole on the shelves pole, threaded connection between threaded rod and the screw hole, a shelves pole passes through plectane, threaded rod fixed mounting on the support.

Compared with the prior art, the utility model has the following beneficial effects: this lightning arrester is maintained with easily to contact net, through the mounting bracket that sets up, conveniently carry out the installation dismantlement work of lightning arrester, the going on of the maintenance work of being convenient for, easy operation is convenient, utilize the fastener to cooperate U type hole to use, can adjust the position of lightning arrester as required, flexibility when improving the use stops the piece, adopts to stop the piece, stops the effect that plays a stopping, guarantees that arrester isotructure can not drop in accommodation process, has ensured stability in use.

Drawings

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

FIG. 2 is a schematic view of the present invention at the mount;

FIG. 3 is a schematic view of the fastener of the present invention;

fig. 4 is a schematic view of the structure of the barrier of the present invention.

In the figure: 1. a support; 2. a lightning main body; 3. a mounting frame; 301. a U-shaped hole; 302. a fastener; 3021. a fixing plate; 3022. a through hole; 3023. pressing a plate; 3024. a connecting bolt; 3025. a gasket; 3026. a connecting nut; 303. a blocking member; 3031. a threaded hole; 3032. a gear lever; 3033. a circular hole; 3034. a circular plate; 3035. a threaded rod; 4. a connector; 5. and (7) installing holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, an easy-maintenance lightning arrester for a contact network comprises a support 1 and a lightning protection main body 2, wherein a mounting frame 3 is connected between the support 1 and the lightning protection main body 2, the lightning protection main body 2 is fixed on the support 1 through the mounting frame 3, the mounting frame 3 comprises a U-shaped hole 301, a fastening piece 302 and a blocking piece 303, and a connector 4 is arranged at an end of the lightning protection main body 2.

The support 1 comprises diaphragm, riser and strengthening rib, and has seted up mounting hole 5 on the riser in the support 1, is equipped with the bolt in the mounting hole 5 on the support 1, and support 1 is fixed in on the contact net stand through the bolt.

U type hole 301 is seted up on support 1, and the lower extreme of lightning-arrest main part 2 is located U type hole 301, and fastener 302 sets up between lightning-arrest main part 2 and support 1, stops piece 303 and sets up in the tip of support 1, through the mounting bracket 3 that sets up, conveniently carries out the installation dismantlement work of arrester, and the going on of the maintenance work of being convenient for, easy operation is convenient.

The fastener 302 comprises a fixing plate 3021, a through hole 3022, a pressure plate 3023, a connecting bolt 3024, a gasket 3025 and a connecting nut 3026, the fixing plate 3021 is fixedly mounted at the lower end position of the lightning protection body 2, the fixing plate 3021 contacts the upper surface of the transverse plate in the bracket 1, the through hole 3022 is formed in the fixing plate 3021, the pressure plate 3023 contacts the lower surface of the transverse plate in the bracket 1, the gasket 3025 is sleeved on the connecting bolt 3024, and the connecting bolt 3024 is connected to the pressure plate 3023; the pressing plate 3023 is provided with a through hole, the connecting bolt 3024 penetrates through the through hole, the tail end of the connecting bolt 3024 sequentially penetrates through the U-shaped hole 301 and the through hole 3022, the connecting nut 3026 is in threaded connection with the tail end of the connecting bolt 3024, the fastening piece 302 is used in cooperation with the U-shaped hole 301, the position of the lightning arrester can be adjusted as required, and the flexibility in use is improved.

The blocking piece 303 comprises a threaded hole 3031, a blocking rod 3032, a round hole 3033, a round plate 3034 and a threaded rod 3035, the threaded hole 3031 is arranged on a transverse plate in the support 1, the round hole 3033 is arranged on the blocking rod 3032, the round plate 3034 is fixedly connected with the threaded rod 3035, the threaded rod 3035 penetrates through the round hole 3033 in the blocking rod 3032, the threaded rod 3035 is in threaded connection with the threaded hole 3031, the blocking rod 3032 is fixedly arranged on the support 1 through the round plate 3034 and the threaded rod 3035, the blocking piece 303 is adopted, the blocking piece 303 plays a blocking effect, the structures such as a lightning arrester and the like cannot fall off in the adjusting process, and the use stability is guaranteed.

It should be noted that, in the easy-to-maintain lightning arrester for an overhead line system, when the lightning arrester is installed, the bracket 1 is attached to the column of the overhead line system, the bolt is inserted through the installation hole 5, so that the bolt is screwed with the column, thereby fixing the bracket 1, and then the installation work of the lightning main body 2 is started, when the lightning arrester is installed, a worker inserts the lower end of the lightning main body 2 into the U-shaped hole 301 on the bracket 1, so that the fixing plate 3021 in the fastening member 302 contacts the bracket 1, then attaches the pressing plate 3023 to the proper position of the lower surface of the bracket 1, ensures that the hole on the pressing plate 3023 is aligned with the through hole 3022 on the fixing plate 3021, sleeves the gasket 3025 on the connecting bolt 3024, ensures that the gasket 3025 is located at the lower end position of the connecting bolt 3024, then inserts the tail end of the connecting bolt 3024 onto the pressing plate 3023 and the fixing plate 3021 in sequence, until the tail end of the connecting bolt 3024 passes through the through hole 3022, the connecting nut 3026 is screwed on the tail end of the connecting bolt 3024, when the connecting nut 3026 is not screwed, the whole lightning protection body 2 and the fastening piece 302 are moved as required until the lightning protection body 2 moves to a proper position, then the connecting nut 3026 is screwed, so that the installation and fixing work of the lightning protection body 2 is completed, then the staff attaches the stop rod 3032 to the end part of the bracket 1, the tail end of the threaded rod 3035 is inserted into the round hole 3033 to be in threaded connection with the threaded hole 3031, the threaded rod 3034 is rotated and moved in the threaded hole 3031 until the inner pressing block of the circular plate 3034 abuts against the stop rod 3032, so that the installation work of the blocking piece 303 is completed, after all the installation work is completed, the grounding wire is connected, then the lightning protection by using the lightning arrester is started, when necessary, the position of the lightning protection body 2 can be adjusted, the connecting nut 3026 is unscrewed, so that the pressure plate 3023 is not tightly pressed on the support 1 any more, then the lightning protection main body 2 and the fastener 302 are moved to a required position, and finally the connecting nut 3026 is screwed again, if the lightning arrester needs to be maintained, after the connecting nut 3026 is unscrewed, the threaded rod 3035 is detached through the circular plate 3034, the stopper 3032 is detached, then the fastener 302 in the U-shaped hole 301 is moved until the lightning protection main body 2 is detached, then the worker lowers for maintenance and repair, after the operation is finished, the installation is performed, the structure is simple, the operation is convenient and fast, and the use is flexible.

The foregoing has described the principles of use, features and advantages of the utility model. The above embodiments and the description of the utility model are provided to illustrate the basic principles and features of the utility model and, within the scope of the utility model concept, to be understood by those skilled in the art from the foregoing description, various modifications may be made to the utility model and these modifications are within the scope of the utility model as claimed.

Claims

1. The utility model provides an easy maintenance arrester for contact net, includes support (1) and lightning-arrest main part (2), its characterized in that: be connected with between support (1) and the lightning-arrest main part (2) mounting bracket (3), and on lightning-arrest main part (2) were fixed in support (1) through mounting bracket (3), mounting bracket (3) are including U type hole (301), fastener (302) and stop piece (303), the tip of lightning-arrest main part (2) is provided with connector (4).

2. The easy-maintenance lightning arrester for the contact network of claim 1, characterized in that: the support (1) comprises diaphragm, riser and strengthening rib, and has seted up mounting hole (5) on the riser in support (1), be equipped with the bolt in mounting hole (5) on support (1), and support (1) is fixed in on the contact net stand through the bolt.

3. The easy-maintenance lightning arrester for the contact network of claim 2, characterized in that: the lightning protection device is characterized in that the U-shaped hole (301) is formed in the support (1), the lower end of the lightning protection main body (2) is located in the U-shaped hole (301), the fastener (302) is arranged between the lightning protection main body (2) and the support (1), and the blocking piece (303) is arranged at the end portion of the support (1).

4. The easy-maintenance lightning arrester for the contact network of claim 3, characterized in that: fastener (302) are including fixed plate (3021), through-hole (3022), clamp plate (3023), connecting bolt (3024), gasket (3025) and coupling nut (3026), fixed plate (3021) fixed mounting is in the lower extreme position department of lightning-arrest main part (2), and fixed plate (3021) contacts the diaphragm upper surface in support (1), through-hole (3022) are seted up on fixed plate (3021), clamp plate (3023) contact the diaphragm lower surface in support (1), gasket (3025) cover is located on connecting bolt (3024), and connecting bolt (3024) are connected on clamp plate (3023).

5. The easy-maintenance lightning arrester for the contact network of claim 4, characterized in that: the pressing plate (3023) is provided with a through hole, the connecting bolt (3024) penetrates through the through hole, the tail end of the connecting bolt (3024) sequentially penetrates through the U-shaped hole (301) and the through hole (3022), and the connecting nut (3026) is connected to the tail end of the connecting bolt (3024) in a threaded mode.

6. The easy-maintenance lightning arrester for the contact network of claim 5, characterized in that: the blocking piece (303) comprises a threaded hole (3031), a blocking rod (3032), a round hole (3033), a round plate (3034) and a threaded rod (3035), the threaded hole (3031) is formed in a transverse plate in the support (1), the round hole (3033) is formed in the blocking rod (3032), the round plate (3034) and the threaded rod (3035) are fixedly connected, the threaded rod (3035) penetrates through the round hole (3033) in the blocking rod (3032), the threaded rod (3035) and the threaded hole (3031) are in threaded connection, and the blocking rod (3032) is fixedly installed on the support (1) through the round plate (3034) and the threaded rod (3035).