CN215990156U

CN215990156U - Lightning arrester of metal armored central switch cabinet

Info

Publication number: CN215990156U
Application number: CN202121647991.4U
Authority: CN
Inventors: 李光剑; 周益汉; 邵雄飞
Original assignee: Shanghai Zhongfa Relay Co ltd
Current assignee: Shanghai Zhongfa Relay Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-03-08
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a lightning arrester of a metal armored central switch cabinet, which comprises: the lightning protection device comprises a cabinet body, a lightning protection mechanism and a fixing mechanism; lightning-arrest mechanism set up in the inside of the cabinet body, lightning-arrest mechanism includes the arrester, the arrester set up in the inside of the cabinet body, the equal fixedly connected with sleeve in both ends of arrester, the through-hole has been seted up to telescopic one end, the inside sliding connection of through-hole has the body of rod, and when this device used, when installing the arrester, only need slide the slider into the spout, then rotate threaded rod to the screw hole on fixed plate and the U-shaped board in, can accomplish the quick installation to the arrester, and easy and simple to handle, and when transporting the cabinet body, the arrester passed through the spring and cushions the consumption to the vibration that the transportation produced, and protecting effect is good, and is not fragile, improves life.

Description

Lightning arrester of metal armored central switch cabinet

Technical Field

The utility model relates to the technical field of lightning protection equipment, in particular to a lightning protection device of a metal armored central switch cabinet.

Background

The centrally-mounted switch cabinet is called a metal armored centrally-mounted withdrawable switch device. The high-voltage distribution device belongs to a high-voltage distribution device, the highest working voltage of the high-voltage distribution device is 3.6/7.2/12kV, and the high-voltage distribution device is an indoor complete distribution device of a three-phase alternating-current 50Hz single-bus segmented system or double-bus segmented system, and a lightning arrester enables the current flowing through the normal working voltage of a switch cabinet to be extremely small (microampere or milliampere level); when the overvoltage acts on, resistance sharply drops, and the energy of overvoltage is released, reaches the effect of protection, and the lightning arrester of the middle-placed type cubical switchboard of current metal armor, at the in-process of using, when installing the arrester, complex operation, the installation effectiveness is low, brings inconvenience for the staff, and the cubical switchboard is at the in-process of transportation, and the rocking of production causes the damage to the arrester easily, and the protective effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lightning arrester of a metal armored central switch cabinet, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a lightning arrester of a metal armored central-positioned switch cabinet comprises: the lightning protection device comprises a cabinet body, a lightning protection mechanism and a fixing mechanism;

lightning-arrest mechanism set up in the inside of the cabinet body, lightning-arrest mechanism includes the arrester, the arrester set up in the inside of the cabinet body, the equal fixedly connected with sleeve in both ends of arrester, the through-hole has been seted up to telescopic one end, the inside sliding connection of through-hole has the body of rod, the outside cover of the body of rod is equipped with the spring, the one end fixed connection of spring in telescopic inside, the one end fixedly connected with limiting plate of the body of rod, the other end of spring with limiting plate fixed connection.

Through adopting above-mentioned technical scheme, when transporting the cabinet body, if when the arrester takes place the vibration, the arrester drives the sleeve and rocks, and the sleeve passes through the through-hole and slides on the body of rod, and extrusion or extension spring absorb the vibration that the arrester received, avoid the arrester to receive the vibration damage.

Preferably, the lightning arrester is externally and fixedly provided with a grounding wire.

Through adopting above-mentioned technical scheme, through the setting of earth connection, derive the electricity on the arrester.

Preferably, the fixing mechanism comprises a plate body, the plate body is fixedly connected to the inner side wall of the cabinet body, a sliding groove is formed in one side of the plate body, a sliding block is connected to the inside of the sliding groove in a sliding mode, and one side of the sliding block is hinged to one end of the rod body.

Through adopting above-mentioned technical scheme, through inserting the slider on the body of rod in the spout on the plate body, assemble the arrester.

Preferably, the one end of the body of rod articulates there is the fixed plate, the interior roof fixedly connected with U-shaped board of the cabinet body.

Through adopting above-mentioned technical scheme, with the fixed plate card in the U-shaped board, guide fixed plate to mounted position.

Preferably, threaded holes are formed in one sides of the fixing plate and the U-shaped plate, and threaded rods are connected to the inner threads of the threaded holes.

Through adopting above-mentioned technical scheme, insert the threaded rod in the screw hole in fixed plate and the U-shaped board, fix the position of fixed plate.

Preferably, one end of the threaded rod is fixedly connected with a knob.

Through adopting above-mentioned technical scheme, through the setting of knob, be convenient for rotate the threaded rod.

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

when this device uses, when installing the arrester, only need with the slider spout that slides in, then rotate the threaded rod to the screw hole on fixed plate and the U-shaped board in, can accomplish the quick installation to the arrester, easy and simple to handle, and when transporting the cabinet body, the arrester passes through the spring and cushions the consumption to the vibration that the transportation produced, and the protecting effect is good, and is not fragile, improves life.

Drawings

FIG. 1 is a schematic structural diagram of a lightning arrester of a metal armored central switch cabinet according to the utility model;

FIG. 2 is a schematic view of a connection structure of a plate body and a slider in the lightning arrester of the metal armored central switch cabinet of the present invention;

FIG. 3 is a schematic view of a connection structure of a U-shaped plate and a fixed plate in the lightning protection device of the metal armored central switch cabinet of the present invention;

fig. 4 is a schematic view of the internal structure of the sleeve of the lightning arrester of the metal armored central switch cabinet of the utility model.

In the figure: 1. a cabinet body; 2. a lightning protection mechanism; 21. a lightning arrester; 22. a sleeve; 23. a through hole; 24. a rod body; 25. a spring; 26. a limiting plate; 3. a fixing mechanism; 31. a plate body; 32. a chute; 33. a slider; 34. a fixing plate; 35. a U-shaped plate; 36. a threaded hole; 37. a threaded rod; 38. a knob; 4. and a ground line.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

as shown in fig. 1 to 4, a lightning arrester of a metal-clad central-positioned switch cabinet comprises: the cabinet body 1, lightning-arrest mechanism 2 and fixed establishment 3, lightning-arrest mechanism 2 sets up in the inside of the cabinet body 1.

As shown in fig. 1 and 4, the lightning protection mechanism 2 is composed of: the lightning protection mechanism 2 comprises a lightning arrester 21, the lightning arrester 21 is arranged inside the cabinet body 1, two ends of the lightning arrester 21 are fixedly connected with sleeves 22, one end of each sleeve 22 is provided with a through hole 23, the inside of each through hole 23 is connected with a rod body 24 in a sliding mode, a spring 25 is sleeved outside each rod body 24, one end of each spring 25 is fixedly connected inside each sleeve 22, one end of each rod body 24 is fixedly connected with a limiting plate 26, and the other end of each spring 25 is fixedly connected with the limiting plate 26;

lightning-arrest mechanism 2 principle of lightning-arrest mechanism 2: when transporting the cabinet body 1, if the arrester 21 takes place the vibration, the arrester 21 drives the sleeve 22 and rocks, and the sleeve 22 passes through the through-hole 23 and slides on the body of rod 24, and extrusion or extension spring 25 absorb the vibration that the arrester 21 received, avoid the arrester 21 to receive the vibration damage.

As shown in fig. 1 to 3, the fixing mechanism 3 is composed of: the fixing mechanism 3 comprises a plate body 31, the plate body 31 is fixedly connected to the inner side wall of the cabinet body 1, a sliding groove 32 is formed in one side of the plate body 31, a sliding block 33 is connected to the inside of the sliding groove 32 in a sliding mode, one side of the sliding block 33 is hinged to one end of the rod body 24, one end of the rod body 24 is hinged to a fixing plate 34, the inner top wall of the cabinet body 1 is fixedly connected with a U-shaped plate 35, threaded holes 36 are formed in one sides of the fixing plate 34 and the U-shaped plate 35, threaded rods 37 are connected to the inner threads of the threaded holes 36, and knobs 38 are fixedly connected to one ends of the threaded rods 37;

fixing principle of the fixing mechanism 3: the slide block 33 on the rod body 24 is inserted into the slide groove 32 on the plate body 31, then the fixing plate 34 is clamped in the U-shaped plate 35, the fixing plate 34 is guided to the installation position, the threaded rod 37 is inserted into the threaded holes 36 in the fixing plate 34 and the U-shaped plate 35 by rotating the knob 38, the position of the fixing plate 34 is fixed, and the lightning arrester 21 is assembled.

As shown in fig. 1, a ground wire 4 is fixedly attached to the outside of the arrester 21, and electricity on the arrester 21 is led out by the installation of the ground wire 4.

According to the technical scheme, the working steps of the scheme are summarized and carded:

firstly, the sliding block 33 on the rod body 24 is inserted into the sliding groove 32 on the plate body 31, then the fixing plate 34 is clamped in the U-shaped plate 35, the fixing plate 34 is guided to the installation position, the threaded rod 37 is inserted into the threaded holes 36 in the fixing plate 34 and the U-shaped plate 35 through the rotating knob 38, the position of the fixing plate 34 is fixed, the lightning arrester 21 is assembled, when the cabinet body 1 is transported, if the lightning arrester 21 vibrates, the lightning arrester 21 drives the sleeve 22 to shake, the sleeve 22 slides on the rod body 24 through the through hole 23, the spring 25 is extruded or stretched, the vibration borne by the lightning arrester 21 is absorbed, the protection effect on the lightning arrester 21 is improved, and the lightning arrester 21 is prevented from being damaged by vibration.

To sum up: when this device uses, when installing arrester 21, only need slide 33 spout 32 that slides in, then rotate threaded rod 37 to the screw hole 36 on fixed plate 34 and the U-shaped plate 35 in, can accomplish the quick installation to arrester 21, easy and simple to handle, and when transporting cabinet body 1, arrester 21 cushions the consumption through the vibration that spring 25 produced the transportation, and the protecting effect is good, and is not fragile, improves life.

The parts not involved in the present invention are the same as or can be implemented by the prior art. 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 a lightning arrester of formula cubical switchboard is put to metal armor which characterized in that includes: the lightning protection device comprises a cabinet body (1) and a lightning protection mechanism (2);

lightning-arrest mechanism (2) set up in the inside of the cabinet body (1), lightning-arrest mechanism (2) include arrester (21), arrester (21) set up in the inside of the cabinet body (1), the equal fixedly connected with sleeve (22) in both ends of arrester (21), through-hole (23) have been seted up to the one end of sleeve (22), the inside sliding connection of through-hole (23) has the body of rod (24), the outside cover of the body of rod (24) is equipped with spring (25), the one end fixed connection of spring (25) in the inside of sleeve (22), the one end fixedly connected with limiting plate (26) of the body of rod (24), the other end of spring (25) with limiting plate (26) fixed connection.

2. The lightning arrester of the metal armored central switch cabinet according to claim 1, wherein: and a grounding wire (4) is fixedly arranged outside the lightning arrester (21).

3. The lightning arrester of the metal armored central switch cabinet according to claim 1, wherein: still include fixed establishment (3), fixed establishment (3) are including plate body (31), plate body (31) fixed connection in the inside wall of the cabinet body (1), spout (32) have been seted up to one side of plate body (31), the inside sliding connection of spout (32) has slider (33), one side of slider (33) with the one end of the body of rod (24) is articulated.

4. The lightning arrester of the metal armored central switch cabinet according to claim 1, wherein: one end of the rod body (24) is hinged with a fixing plate (34), and the inner top wall of the cabinet body (1) is fixedly connected with a U-shaped plate (35).

5. The lightning arrester of the metal armored central switch cabinet according to claim 4, wherein: threaded holes (36) are formed in one sides of the fixing plate (34) and the U-shaped plate (35), and threaded rods (37) are connected to the internal threads of the threaded holes (36).

6. The lightning arrester of the metal armored central switch cabinet according to claim 5, wherein: one end of the threaded rod (37) is fixedly connected with a knob (38).