CN112803263B

CN112803263B - Low-voltage switch cabinet convenient to maintain

Info

Publication number: CN112803263B
Application number: CN202110292072.8A
Authority: CN
Inventors: 石敏; 舒志贤; 周晓菲; 李兴和; 孟祥飞; 冮宝林; 杨军; 毛文竹; 徐文武; 王玉梅; 丁兴旺
Original assignee: Anhui Queue Electric Co ltd
Current assignee: Anhui Queue Electric Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-12-02
Anticipated expiration: 2041-03-18
Also published as: CN112803263A

Abstract

The invention relates to the technical field of switch cabinets, in particular to a low-voltage switch cabinet convenient to maintain, which comprises a box body, wherein a mounting cavity is arranged in the box body, and a cavity door is arranged on the front side of the mounting cavity; a plurality of mounting plates capable of moving back and forth are arranged in the mounting cavity; the top surface of the installation cavity is provided with a plurality of parallel sliding grooves, sliding blocks are matched in the sliding grooves, the top surface, the bottom surface and the left and right side surfaces of each sliding block are provided with rolling balls, the notches of the sliding grooves are provided with barrier strips, and the rolling balls are correspondingly attached to the groove walls of the sliding grooves and the barrier strips; the bottom end of the sliding block is connected with a connecting rod, and the connecting rod is connected with the top end of the mounting plate; the sliding blocks can slide into the adjacent sliding grooves through the connecting grooves; the front ends and the rear ends of the adjacent mounting plates are provided with wiring terminals in a staggered manner and are connected through wiring; an elastic band is arranged beside the wiring terminal, and a clamping space for clamping the wiring is formed between the elastic band and the mounting plate. The invention is very convenient to maintain.

Description

Low-voltage switch cabinet convenient to maintain

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a low-voltage switch cabinet convenient to maintain.

Background

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of a power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The switch cabinets are classified into a movable switch cabinet and a fixed switch cabinet by a circuit breaker mounting mode; or according to different box body structures, the switch cabinet can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light textile industry, factories and mines enterprises, residential districts, high-rise buildings and the like. The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion.

At present, when a low-voltage switch cabinet is maintained, because electric elements and wiring are installed inside the switch cabinet, the narrow space inside the switch cabinet is large, and the low-voltage switch cabinet is very inconvenient to maintain.

Disclosure of Invention

It is an object of the present invention to provide a low-voltage switchgear cabinet which is easy to maintain and which overcomes some or some of the drawbacks of the prior art.

The low-voltage switch cabinet convenient to maintain comprises a box body, wherein a mounting cavity is arranged in the box body, and a cavity door is arranged on the front side of the mounting cavity; a plurality of mounting plates capable of moving back and forth are arranged in the mounting cavity; the top surface of the installation cavity is provided with a plurality of parallel sliding grooves, sliding blocks are matched in the sliding grooves, the top surface, the bottom surface and the left side surface and the right side surface of each sliding block are provided with rolling balls, the notches of the sliding grooves are provided with barrier strips, and the rolling balls are correspondingly attached to the groove walls and the barrier strips of the sliding grooves; the bottom end of the sliding block is connected with a connecting rod, and the connecting rod is connected with the top end of the mounting plate;

the sliding blocks can slide into the adjacent sliding grooves through the connecting grooves;

the front ends and the rear ends of the adjacent mounting plates are provided with wiring terminals in a staggered manner and are connected through wiring; an elastic band is arranged beside the wiring terminal, and a clamping space for clamping the wiring is formed between the elastic band and the mounting plate.

The installation cavity is internally provided with a plurality of mounting plates capable of moving back and forth, and the electric elements are mounted on the mounting plates, so that when the mounting plates are pulled out, maintenance personnel can conveniently maintain the electric elements and circuits on the mounting plates. The top end of the mounting plate is connected with the sliding block through the connecting rod, and the sliding block slides in the sliding groove, so that the mounting plate can move back and forth. The top surface, the bottom surface and the left and right side surfaces of the sliding block are provided with balls, and the balls are attached to the groove wall and the barrier strip of the sliding groove, so that the sliding of the sliding block is very smooth. The setting of spread groove for in slider accessible spread groove slided to adjacent spout, clearance between the adjacent mounting panel of change that just so can be convenient, electric elements of different volumes just very convenient when installing on corresponding the mounting panel, can practice thrift the space moreover.

The electric element is installed on the mounting panel, keeps away from the installation cavity wall, and when the box was collided, electric element was not fragile.

Because the mounting plates can move, when the electric elements mounted on different mounting plates need to be connected in a wiring manner, the electric elements are connected through the wiring terminal pieces with staggered front ends and back ends between the adjacent mounting plates, so that when the mounting plates with the wiring terminals positioned at the back ends are pulled out, the mounting plates at the two ends can be conveniently pulled out for maintenance. The elastic band is used for fixing the position of the wiring, and wiring disorder is prevented when the mounting plate is pulled out.

Preferably, the top end of the mounting plate is connected with 2 sliding blocks, and the distance between each connecting groove and the rear end of each sliding groove is greater than the distance between each corresponding sliding block and the rear end of each sliding groove; when the corresponding sliding block corresponds to the connecting groove, the other sliding block is positioned outside the sliding groove. Therefore, when the sliding groove is adjusted by the corresponding sliding block, the corresponding sliding block cannot be blocked when the other sliding block is positioned outside the sliding groove.

Preferably, the bottom end of the mounting plate is provided with a roller which is attached to the bottom of the cavity of the mounting cavity.

The setting of gyro wheel makes things convenient for the removal of mounting panel, also makes the mounting panel more stable when removing.

Preferably, the width of the connecting groove is larger than the length of the slider.

The width of the connecting groove is larger than the length of the sliding block, so that the sliding block can conveniently enter the connecting groove.

Preferably, the rear end of the mounting plate is provided with a limiting strip, the front side of the mounting cavity is provided with a group of barrier strips, and the barrier strips are matched with the limiting strip; the gaps between the group of barrier strips correspond to the gaps between the sliding grooves.

The barrier strip is matched with the limiting strip to ensure that the mounting plate cannot fall off.

Preferably, the chute is inclined from front to rear.

The chute inclines from front to back, so that the mounting plate can be pulled out only by applying force, and the mounting plate is more stable.

Drawings

Fig. 1 is a schematic structural view of a low-voltage switchgear convenient to maintain in embodiment 1;

FIG. 2 is a schematic structural view of a slider and a chute in embodiment 1;

FIG. 3 is a schematic view showing a structure of a connecting groove in embodiment 1;

fig. 4 is a schematic structural view of a connection terminal and an elastic band in embodiment 1;

FIG. 5 is a schematic view showing the structure of a novel bus duct in embodiment 2;

FIG. 6 is a schematic view showing the structure of a minute groove in embodiment 2;

FIG. 7 is a schematic view showing the structure of the threading pipe in embodiment 2;

FIG. 8 is a schematic view showing the structure of a rubber strip in example 2;

FIG. 9 is a schematic view showing the structure of a first pusher in embodiment 2;

FIG. 10 is a schematic view showing the structure of a case door in embodiment 2;

fig. 11 is a left side view schematically illustrating the structure of the second pusher in embodiment 2.

Detailed Description

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present embodiment provides a low voltage switch cabinet convenient for maintenance, which includes a cabinet 100, a mounting cavity 101 is provided in the cabinet 100, and a cavity door is provided at a front side of the mounting cavity 101; a plurality of mounting plates 210 capable of moving back and forth are arranged in the mounting cavity 101; the top surface of the installation cavity 101 is provided with a plurality of parallel sliding grooves 220, sliding blocks 230 are matched in the sliding grooves 220, the top surface, the bottom surface and the left and right side surfaces of each sliding block 230 are provided with rolling balls 240, notches of the sliding grooves 220 are provided with barrier strips 221, and the rolling balls 240 are correspondingly attached to the groove walls and the barrier strips 221 of the sliding grooves 220; the bottom end of the sliding block 230 is connected with a connecting rod 250, and the connecting rod 250 is connected with the top end of the mounting plate 210;

the sliding grooves 220 are communicated with each other through a connecting groove 260, and the sliding block 230 can slide into the adjacent sliding groove 220 through the connecting groove 260;

the front end and the rear end of the adjacent mounting plates 210 are provided with wiring terminals 270 in a staggered manner and are connected through wiring; an elastic band 280 is disposed beside the connection terminal 270, and a clamping space for clamping the connection is formed between the elastic band 280 and the mounting plate 210.

A plurality of mounting plates 210 capable of moving back and forth are arranged in the mounting cavity 101, and the electric elements are mounted on the mounting plates 210, so that when the mounting plates 210 are pulled out, maintenance personnel can conveniently maintain the electric elements on the mounting plates 210. The top end of the mounting plate 210 is connected with the sliding block 230 through the connecting rod 250, and the sliding block 230 slides in the sliding groove 220, so that the front and back movement of the mounting plate 210 is realized. The top, bottom and left and right sides of the sliding block 230 are provided with balls 240, and the balls 240 are attached to the walls of the sliding groove 220 and the barrier strips 221, so that the sliding of the sliding block 230 is smooth. The arrangement of the connecting slot 260 enables the sliding block 230 to slide into the adjacent sliding slot 220 through the connecting slot 260, so that the gap between the adjacent mounting plates 210 can be conveniently changed, and it is very convenient to install electrical elements with different volumes on the corresponding mounting plates 210.

The electric elements are mounted on the mounting plate 210 and far away from the wall of the mounting chamber 101, so that the electric elements are not easily damaged when the box body 100 is collided.

Because the mounting plates 210 can move, when the electrical components mounted on different mounting plates 210 need to be connected in a wiring manner, the electrical components are connected by the wiring terminals 270 which are staggered at the front and rear ends between the adjacent mounting plates 210, so that when the mounting plate 210 with the wiring terminals 270 at the rear end is pulled out, the mounting plates 210 at the two ends can be conveniently pulled out for maintenance (the thick lines in fig. 4 are the wiring). The elastic band 280 is used to fix the position of the wiring and prevent the wiring from being disturbed when the mounting plate 210 is pulled out.

In this embodiment, the top end of the mounting plate 210 is connected with 2 sliding blocks 230, and the distance between the connecting groove 260 and the rear end of the sliding slot 220 is greater than the distance between the corresponding sliding block 230 and the rear end of the sliding slot 220; when the corresponding sliding block 230 corresponds to the connecting groove 260, the other sliding block 230 is located outside the sliding groove 220. Thus, when the corresponding sliding block 230 adjusts the sliding slot 220, the other sliding block 230 is located outside the sliding slot 220, and the corresponding sliding block 230 is not obstructed.

In this embodiment, the bottom end of the mounting plate 210 is provided with a roller 290, and the roller 290 is attached to the bottom of the mounting cavity 101.

The rollers 290 facilitate movement of the mounting plate 210 and also make the mounting plate 210 more stable when moving.

In this embodiment, the width of the connecting slot 260 is greater than the length of the slider 230.

The width of the coupling groove 260 is greater than the length of the slider 230 so that the slider 230 can be easily inserted into the coupling groove 260.

In this embodiment, the rear end of the mounting plate 210 is provided with a limiting strip, the front side of the mounting cavity 101 is provided with a group of barrier strips, and the barrier strips are matched with the limiting strip; the gap between the set of bars corresponds to the gap between the plurality of sliding slots 220.

The barrier strip cooperates with the limiting strip to prevent the mounting plate 210 from falling off.

In this embodiment, the chute 220 is inclined from front to rear.

The chute 220 is inclined from front to back, so that the mounting plate 210 needs to be pulled out by applying force, and the mounting plate 210 is more stable.

Example 2

This example differs from example 1 in that: still include the following structure:

as shown in fig. 5 to 11, a concave bus duct 110 is installed in the installation cavity 101; the bus duct 110 includes a plurality of sub-slots 111, and adjacent sub-slots 111 are connected by a connection cloth 120; the left side surface and the right side surface of any sub-groove 111 are respectively provided with an adjusting hole 130, a plurality of movably adjustable threading pipes 140 penetrate through any adjusting hole 130, and the threading pipes 140 are different in length; a snap ring 141 is arranged at the inner end of the threading pipe 140, and the snap ring 141 can be clamped in the sub-groove 111; a nut 142 is sleeved on the threading pipe 140 in a threaded manner, and the nut 142 and the snap ring 141 are respectively positioned at two sides of the adjusting hole 111;

the box body 100 is positioned in a protective shell 310, a shell door 311 is arranged in front of the protective shell 310, and the rear side of the protective shell 310 is attached to the rear side of the box body 100; the top surface, the bottom surface, the left side and the right side of the box body 100 are respectively provided with a telescopic cylinder 320, the outer end of the telescopic cylinder 320 is connected with a first push plate 330, the outer end of the first push plate 330 is provided with a plurality of first spikes 340, the top surface, the bottom surface, the left side and the right side of the protective shell 310 are provided with a plurality of first through holes 312, and the plurality of first through holes 312 are correspondingly matched with the plurality of first spikes 340;

a protruding rod 350 is vertically connected to the rear end of the shell door 311, and the protruding rod 350 can be inserted into a gap between the box body 100 and the corresponding first push plate 330; the protruding rod 350 is arranged in a second push plate 360 in a penetrating manner, the second push plate 360 is parallel to the shell door 311, and a plurality of springs 370 are connected between the second push plate 360 and the shell door 311; the front side of the second push plate 360 is provided with a plurality of second spikes 380, the shell door 311 is provided with a plurality of second through holes 390, and the second spikes 380 are correspondingly matched with the second through holes 390.

Bus duct 110 includes a plurality of minute grooves 111, and adjacent minute grooves 111 are connected through connecting cloth 120 between, and bus duct 110 can be divided into a plurality of parts like this, and minute groove 111 can be installed on the installation cavity 101 chamber wall wantonly, and like this, the wiring in bus duct 110 just can be convenient be connected with the electric elements in box 100. The sub-grooves 111 are connected together through the connecting cloth 120, the sub-grooves are not easy to fall off, and the connecting cloth 120 does not influence the closing and connection of the sub-grooves 111, so that the sub-grooves 111 can be freely distributed, but still are an integral body, and the device is very convenient; the connecting cloth 120 can also limit the wiring so that the wiring is always located in the bus duct 110. The arrangement of the plurality of threading pipes 140 enables the wiring to be connected more orderly, and different wiring is not easy to interfere; threading pipe 140 can be adjusted in the regulation hole 130 of the side about minute groove 111, and like this, the height of wiring just can convenient regulation, convenient wiring, and threading pipe 140 differs in length, and threading pipe 140 plays the effect of mark like this, conveniently remembers the position of wiring when the wiring. The position of threading pipe 140 can be pressed from both sides tightly in nut 142 and snap ring 141's cooperation, and after threading pipe 140 has adjusted the height, it is fixed through nut 142 and snap ring 141, and like this, the wiring just can be convenient wear out from threading pipe 140, and nut 142 also makes the dismantlement and the installation that threading pipe 140 can be convenient.

The protective shell 310 can protect the box body 100, the telescopic cylinder 320 can drive the push plate 330 to stretch, the first spine 340 on the push plate 330 can automatically extend and retract, and when the first spine 340 extends, the first spine 340 is positioned on the surface of the protective shell 310, so that the first spine 340 can prevent animals from remaining on the protective shell 310 and can prevent the animals from being stolen; when retracting, the transportation of the protective shell and the operation of the operator are both very convenient.

The protruding rod 350 is used for supporting the second push plate 360, when the shell door 311 is closed, the protruding rod 350 is inserted into a gap between the box body 100 and the corresponding first push plate 330, but the second push plate 360 is blocked by the box body 100, the spring 370 contracts, the second spine 380 on the second push plate 360 protrudes out of the surface of the shell door 311, the second spine 380 can prevent wild animals from staying on the protective shell 310 and can prevent theft, when the shell door 311 is opened, the elastic force of the spring 370 bounces the second push plate 360, and the second spine 380 is retracted, so that an operator can overhaul conveniently.

The cooperation of the first spike 340 and the second spike 380 can better prevent foreign objects from colliding, and protect the box body 100. After the first spine 340 and the second spine 380 are damaged by collision, only the spine needs to be replaced.

In this embodiment, the bus duct 110 is located in the middle of the installation cavity 101.

Bus duct 110 is located the middle of installation cavity 101, and electric elements are located bus duct 110 both sides, and like this, electric elements and the connection of wiring in bus duct 110 are very convenient.

In this embodiment, the adhesive block 150 is disposed on the back of the sub-groove 111, and the adhesive block 150 can be adhered to the cavity wall of the installation cavity 101.

Due to the arrangement of the bonding blocks 150, the sub-grooves 111 can be conveniently bonded on the wall of the installation cavity 101, and the positions of the sub-grooves 111 can be conveniently adjusted.

In this embodiment, the inner end of the threading tube 140 is provided with a plurality of rubber strips 160, and the rubber strips 160 are distributed annularly.

The rubber strip 160 is arranged to clamp the position of the wiring in the threading pipe 140, so that the stability of the wiring position is ensured.

In this embodiment, the first spike 340 and the second spike 380 are made of rubber.

The first spikes 340 and the second spikes 380 are made of rubber, so that accidental injury can be reduced, the buffering capacity is improved, and the foreign object prevention capacity is improved.

In this embodiment, a glass observation window is arranged on the shell door 311, an indicator light is arranged on the box door, and the glass observation window corresponds to the indicator light.

The glass observation window corresponds to the indicator light, and the indicator light is convenient to look over.

In this embodiment, a latch 351 is disposed at the rear end of the protruding rod 350.

The setting of bayonet lock 351 conveniently unloads second push pedal 360, like this, when the transportation, unloads second push pedal 360 and just can convenient transportation.

The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims

1. Low-voltage switchgear convenient to maintenance, its characterized in that: the refrigerator comprises a refrigerator body (100), wherein an installation cavity (101) is arranged in the refrigerator body (100), and a cavity door is arranged on the front side of the installation cavity (101); a plurality of mounting plates (210) capable of moving back and forth are arranged in the mounting cavity (101); the top surface of the mounting cavity (101) is provided with a plurality of parallel sliding grooves (220), sliding blocks (230) are matched in the sliding grooves (220), the top surface, the bottom surface, the left side surface and the right side surface of each sliding block (230) are provided with rolling balls (240), notches of the sliding grooves (220) are provided with barrier strips (221), and the rolling balls (240) are correspondingly attached to the groove walls and the barrier strips (221) of the sliding grooves (220); the bottom end of the sliding block (230) is connected with a connecting rod (250), and the connecting rod (250) is connected with the top end of the mounting plate (210);

the sliding grooves (220) are communicated through a connecting groove (260), and the sliding block (230) can slide into the adjacent sliding groove (220) through the connecting groove (260);

the front ends and the rear ends of the adjacent mounting plates (210) are provided with wiring terminals (270) in a staggered manner and connected through wiring; an elastic band (280) is arranged beside the wiring terminal (270), and a clamping space for clamping the wiring is formed between the elastic band (280) and the mounting plate (210).

2. Low-voltage switchgear cabinet facilitating maintenance according to claim 1, characterized in that: the top end of the mounting plate (210) is connected with 2 sliding blocks (230), and the distance between the connecting groove (260) and the rear end of the sliding groove (220) is greater than the distance between the corresponding sliding block (230) and the rear end of the sliding groove (220); when the corresponding sliding block (230) corresponds to the connecting groove (260), the other sliding block (230) is positioned outside the sliding groove (220).

3. Low-voltage switchgear cabinet convenient to maintain according to claim 2, characterized in that: the bottom end of the mounting plate (210) is provided with a roller (290), and the roller (290) is attached to the bottom of the mounting cavity (101).

4. Low-voltage switchgear cabinet facilitating maintenance according to claim 3, characterized in that: the width of the connecting groove (260) is larger than the length of the sliding block (230).

5. Low-voltage switchgear cabinet facilitating maintenance according to claim 4, characterized in that: a limiting strip is arranged at the rear end of the mounting plate (210), a group of barrier strips are arranged on the front side of the mounting cavity (101), and the barrier strips are matched with the limiting strip; the gaps between the set of bars correspond to the gaps between the plurality of runners (220).