CN116632708A - A low-voltage withdrawable switchgear and its system - Google Patents

Abstract

The present invention relates to the technical field of electrical equipment, in particular to a low-voltage withdrawable switch cabinet and its system, including a cabinet body, a cover plate, a support frame, a plurality of placing parts and a drawing-out assembly, and a plurality of placing parts are arranged on the supporting frame. The cover plate is rotatably connected with the cabinet body, and the extraction assembly includes a drive piece, a disc, a resisting rod, a block body and two sliders, and the cabinet body is provided with two chute, and the two sliders are slidably connected with the corresponding chute respectively , the block is fixedly connected with the support frame, and is located below the support frame, the two ends of the block are respectively fixedly connected with the corresponding sliders, the block is provided with a through hole, the drive part is fixedly connected with the cabinet, and the output end of the drive part It is fixedly connected with the disc, one end of the resisting rod is fixedly connected with the disc, the other end of the resisting rod is inserted into the through hole, and the resisting rod is eccentrically arranged on the disc and located above the disc, in this way The electrical components can be pulled out more conveniently, and the labor intensity of maintenance personnel is reduced.

Description

A low-voltage withdrawable switchgear and its system

technical field

The invention relates to the technical field of electrical equipment, in particular to a low-voltage withdrawable switch cabinet and a system thereof.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage room and low-voltage room switchgear, high-voltage busbars, such as power plants, etc., and some also have low-cycle load shedders to protect major equipment. The main function of the switchgear is to generate electricity and transmit electricity in the power system. In the process of power distribution and power conversion, switch, control and protect electrical equipment. The components in the switch cabinet are mainly composed of circuit breakers, isolating switches, load switches, operating mechanisms, transformers and various protection devices. There are many classification methods of switch cabinets. For example, according to the installation method of circuit breakers, it can be divided into removable switch cabinets and fixed switch cabinets; or according to the different cabinet structures, it can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal Closed armored switchgear; according to different voltage levels, it can be divided into high-voltage switchgear, low-voltage switchgear, etc., mainly suitable for power plants, substations, petrochemicals, metallurgical rolling steel, light industry textiles, factories and mines, residential quarters, high-rise buildings In various occasions, the traditional switch cabinet has a simple cabinet structure, and the electrical components are simply installed inside the cabinet. During daily maintenance, due to the limited internal space of the cabinet, when the staff checks and repairs the internal electrical components, Very inconvenient.

In view of the above problems, the switchgear is usually set as a withdrawable structure, and it is more convenient to overhaul the electrical components after being drawn out.

However, when the electrical components are extracted, the electrical components are usually extracted manually, which makes the labor intensity of the maintenance personnel relatively large.

Contents of the invention

The purpose of the present invention is to provide a low-voltage withdrawable switchgear and its system, aiming to solve the technical problem in the prior art that when drawing out electrical components, the electrical components are usually drawn out manually, which makes the maintenance personnel labor intensive.

In order to achieve the above object, a low-voltage withdrawable switchgear used in the present invention includes a cabinet body, a cover plate, a support frame, a plurality of placement parts and a withdrawal assembly, and a plurality of placement parts are arranged on the support frame. The cover plate is rotatably connected with the cabinet body, and the extraction assembly includes a driving member, a disk, a resisting rod, a block body and two sliders, and the cabinet body is provided with two slide grooves, and the two The sliders are slidably connected to the corresponding chute respectively, the block is fixedly connected to the support frame and located below the support frame, and the two ends of the block are respectively fixed to the corresponding sliders connected, the block is provided with a through hole, the driver is fixedly connected to the cabinet, the output end of the driver is fixedly connected to the disk, and one end of the resisting rod is connected to the disk Fixedly connected, the other end of the resisting rod is inserted into the through hole, and the resisting rod is eccentrically arranged on the disc and located above the disc.

Wherein, the extraction assembly further includes a stabilizing bar, and the cabinet body is also provided with an annular groove, one end of the stabilizing bar is fixedly connected to the disc, and the other end of the stabilizing bar is inserted into the annular groove, And the stabilizer bar is located below the disk.

Wherein, the extracting assembly also includes two support blocks, and the cabinet body is also provided with two grooves, one ends of the two support blocks are fixedly connected with the block body, and the other ends of the two support blocks One end is respectively inserted into the corresponding groove.

Wherein, the driving part includes a support plate and a first motor, the support plate is fixedly connected with the cabinet body, and the first motor is installed on the support plate.

The present invention also provides a low-voltage withdrawable switchgear system, including the above-mentioned low-voltage withdrawable switchgear, and also includes a locking component, the locking component is arranged on the cabinet body, and is located in the cabinet body side.

Wherein, the locking assembly includes a connecting block, a fixing plate, a pole, a round block and a spring, the connecting block is rotatably connected to the cover plate, the fixing plate is fixedly connected to the cabinet, and the connecting block A resisting groove is provided, one end of the pole is fixedly connected with the round block, the other end of the pole penetrates the fixing plate and is inserted into the resisting groove, one end of the spring is connected to the The round block is fixedly connected, and the other end of the spring is fixedly connected with the fixed plate.

Wherein, the locking assembly further includes a force applying member, the force applying member is fixedly connected with the round block and is located above the round block.

A low-voltage withdrawable switchgear and its system of the present invention, by setting the withdrawable assembly, in specific use, the plurality of placing parts on the support frame are used to place electrical components, and the cabinet body is used for Place it on the ground for support. When it is necessary to overhaul a plurality of electrical components, first open the cover, and then start the drive, the output end of the drive drives the disc to rotate, and the disc The disk drives the resisting rod to slide in the through hole, and the resisting rod slides in the through hole while driving the block to move toward the cover plate, and the block drives the two blocks The sliders slide in the corresponding chute respectively, and at the same time, the block drives the support frame to move towards the cover plate, and the support frame drives a plurality of the placement parts to move, so that multiple One of the placement racks slides out from the cabinet, and then the maintenance personnel can overhaul the electrical components in the plurality of placement parts. In this way, the electrical components can be pulled out more conveniently, reducing the labor of the maintenance personnel. strength.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of the first embodiment of the present invention.

Fig. 2 is a schematic structural view of the first embodiment of the present invention without a cover plate.

Fig. 3 is a cross-sectional view of the structure along line A-A of Fig. 2 according to the first embodiment of the present invention.

Fig. 4 is a cross-sectional view of the B-B line structure in Fig. 2 according to the first embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the second embodiment of the present invention.

Fig. 6 is an enlarged view of the partial structure at C in Fig. 5 of the present invention.

Fig. 7 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 8 is a partial structural schematic diagram of the third embodiment of the present invention.

Fig. 9 is a schematic structural view of a cover plate according to a third embodiment of the present invention.

101-cabinet body, 102-cover plate, 103-support frame, 104-placement piece, 105-disc, 106-resistance rod, 107-block body, 108-slider, 109-stabilizer bar, 110-support block , 111-support plate, 112-first motor, 113-chute, 114-groove, 115-ring groove, 116-through hole, 201-connecting block, 202-fixing plate, 203-rod, 204-circle Block, 205-spring, 206-force member, 207-resistance groove, 301-frame, 302-horizontal plate, 303-second motor, 304-blade, 305-filter, 306-air inlet, 307 - Air outlet.

Detailed ways

First embodiment:

Please refer to Figures 1 to 4, wherein Figure 1 is a schematic structural view of the first embodiment of the present invention, Figure 2 is a schematic structural view of the first embodiment of the present invention without a cover plate, and Figure 3 is a schematic view of the first embodiment of the present invention The sectional view of the A-A line structure in FIG. 2 of the embodiment, and FIG. 4 is the sectional view of the B-B line structure in FIG. 2 of the first embodiment of the present invention.

The present invention provides a low-voltage withdrawable switchgear: including a cabinet body 101, a cover plate 102, a support frame 103, a plurality of placing parts 104 and a drawing-out assembly, the drawing-out assembly includes a driving member, a disc 105, abutting rod 106, Block body 107, two slide blocks 108, stabilizing bar 109 and two support blocks 110, the drive member includes a support plate 111 and a first motor 112. It is a technical problem that the labor intensity of maintenance personnel is relatively high due to manual extraction of electrical components.

For this specific embodiment, a plurality of the placing parts 104 are arranged on the support frame 103, and the cover plate 102 is rotatably connected with the cabinet body 101. The placing parts 104 are used to place electrical components, and the cabinet body 101 is used to be placed on the ground for support.

Wherein, the cabinet body 101 is provided with two slide grooves 113, and the two slide blocks 108 are respectively slidably connected with the corresponding slide grooves 113, and the block body 107 is fixedly connected with the support frame 103, and is located at Below the support frame 103, the two ends of the block body 107 are respectively fixedly connected with the corresponding sliders 108, the block body 107 is provided with a through hole 116, and the drive member is fixed to the cabinet body 101 connected, the output end of the driver is fixedly connected to the disc 105, one end of the resisting rod 106 is fixedly connected to the disc 105, and the other end of the resisting rod 106 is inserted into the through hole 116, and the resisting rod 106 is eccentrically arranged on the disc 105 and located above the disc 105, by setting the extracting assembly, in specific use, many on the support frame 103 The placing parts 104 are used to place electrical components, and the cabinet body 101 is used to be placed on the ground for support. When a plurality of electrical components need to be overhauled, the cover plate 102 is first opened, and then the A driver, the output end of the driver drives the disc 105 to rotate, the disc 105 drives the resisting rod 106 to slide in the through hole 116, and the resisting rod 106 slides in the through hole 116 while driving the block body 107 to move toward the cover plate 102, the block body 107 drives the two sliders 108 to slide in the corresponding chute 113 respectively, and at the same time the The block body 107 drives the support frame 103 to move toward the cover plate 102, and the support frame 103 drives a plurality of the placement parts 104 to move, so that the plurality of placement racks slide out from the cabinet body 101 Afterwards, the maintenance personnel only need to perform maintenance on the electrical components in the plurality of placement parts 104. In this way, the electrical components can be pulled out more conveniently, and the labor intensity of the maintenance personnel is reduced.

Secondly, the cabinet 101 is also provided with an annular groove 115, one end of the stabilizing rod 109 is fixedly connected with the disc 105, the other end of the stabilizing rod 109 is inserted into the annular groove 115, and the The stabilizing rod 109 is located below the disc 105, by setting the stabilizing bar 109, when the disc 105 rotates, the disc 105 drives the stabilizing bar 109 to slide in the annular groove 115, so as to This can improve the stability of the disc 105 .

At the same time, the cabinet body 101 is also provided with two grooves 114, one ends of the two support blocks 110 are fixedly connected with the block body 107, and the other ends of the two support blocks 110 are respectively inserted into the corresponding In the groove 114, by setting the two support blocks 110, when the block body 107 moves, the block body 107 drives the two support blocks 110 to slide in the corresponding grooves 114 respectively. , so that the stability of the block 107 can be improved.

In addition, the support plate 111 is fixedly connected to the cabinet body 101, the first motor 112 is installed on the support plate 111, and by setting the support plate 111 and the first motor 112, the The support plate 111 installs the first motor 112 on the cabinet body 101 .

Using a low-voltage withdrawable switchgear of this embodiment, by setting the withdrawable assembly, in specific use, a plurality of the placement parts 104 on the support frame 103 are used to place electrical components, and the cabinet body 101 It is used to place on the ground for support. When a plurality of electrical components need to be overhauled, the cover plate 102 is first opened, and then the driving part is started, and the output end of the driving part drives the rotation of the disc 105 , the disk 105 drives the resisting rod 106 to slide in the through hole 116, and the resisting rod 106 slides in the through hole 116 while driving the block 107 toward the cover plate 102 moves, the block body 107 drives the two sliders 108 to slide in the corresponding chute 113 respectively, and at the same time, the block body 107 drives the support frame 103 toward the cover plate 102 Move, the support frame 103 drives a plurality of the placement parts 104 to move, so that the plurality of placement racks slide out from the cabinet body 101, and then the maintenance personnel carry out the electrical components in the plurality of placement parts 104 In this way, the electrical components can be drawn out more conveniently, which reduces the labor intensity of maintenance personnel. By setting the stabilizer bar 109, when the disc 105 rotates, the disc 105 drives the stabilizer bar 109 slides in the annular groove 115, so as to improve the stability of the disc 105. By setting the two support blocks 110, when the block body 107 moves, the block body 107 drives the two blocks. The support blocks 110 slide in the corresponding grooves 114 , so as to improve the stability of the block body 107 .

Second embodiment:

On the basis of the first embodiment, please refer to FIG. 5 and FIG. 6. FIG. 5 is a schematic structural diagram of a second embodiment of the present invention, and FIG. 6 is an enlarged view of a local structure at C in FIG. 5 of the present invention.

The present invention also provides a low-voltage withdrawable switchgear system, including the low-voltage withdrawable switchgear as described above, and a locking assembly, which includes a connecting block 201, a fixing plate 202, a support rod 203, Round block 204 , spring 205 and force applying member 206 .

For this specific embodiment, the locking assembly is arranged on the cabinet body 101 and is located on one side of the cabinet body 101. By setting the locking assembly, the cover plate 102 can be locked and fixed. .

Wherein, the connection block 201 is rotatably connected with the cover plate 102, the fixed plate 202 is fixedly connected with the cabinet body 101, the connection block 201 is provided with a resisting groove 207, and one end of the pole 203 is connected to The round block 204 is fixedly connected, the other end of the support rod 203 passes through the fixed plate 202, and is inserted into the resisting groove 207, and one end of the spring 205 is fixedly connected with the round block 204, so The other end of the spring 205 is fixedly connected with the fixing plate 202. When the cover plate 102 is closed, the round block 204 is first pulled, and the round block 204 drives the spring 205 to elongate, and the round block 204 204 drives the support rod 203 to slide on the fixed plate 202, and then rotates the cover plate 102. After the cover plate 102 is closed to the specified position, rotate the connecting block 201 to the specified position, and loosen the circle Block 204, at this time, the spring 205 resets and shrinks, the spring 205 drives the round block 204 to move, and the round block 204 drives the support rod 203 to be inserted into the resisting groove 207, so that the The cover plate 102 is locked and fixed.

Secondly, the force applying member 206 is fixedly connected with the round block 204 and located above the round block 204 , by setting the force applying member 206 , the round block 204 can be pulled more conveniently.

Using a low-voltage withdrawable switchgear system of this embodiment, when closing the cover plate 102, first pull the round block 204, the round block 204 drives the spring 205 to elongate, and the round block 204 Drive the support rod 203 to slide on the fixed plate 202, then turn the cover 102, after the cover 102 is closed to the designated position, turn the connecting block 201 to the designated position, and loosen the round block 204. At this time, the spring 205 resets and shrinks, the spring 205 drives the round block 204 to move, and the round block 204 drives the support rod 203 to be inserted into the resisting groove 207, so that the cover can be The plate 102 is locked and fixed, and the round block 204 can be pulled more conveniently by providing the force applying member 206 .

Third embodiment:

On the basis of the second embodiment, please refer to FIGS. 7 to 9. FIG. 7 is a schematic structural view of the third embodiment of the present invention, and FIG. Schematic diagram of the structure of the cover plate of the third embodiment of the invention.

The present invention provides a low-voltage withdrawable switchgear system further comprising a heat dissipation assembly, which includes a frame body 301 , a horizontal plate 302 , two second motors 303 , multiple fan blades 304 and a filter element 305 .

For this specific embodiment, the heat dissipation assembly is arranged on the cabinet body 101 , and the heat generated by the electrical components in the cabinet body 101 can be dissipated by arranging the heat dissipation assembly.

Wherein, the cabinet body 101 is provided with an air inlet hole, the cover plate 102 is provided with an air outlet hole, the frame body 301 is fixedly connected to the cabinet body 101, and the horizontal plate 302 is fixed to the frame body 301 connected, the two second motors 303 are fixedly connected to the horizontal plate 302, the output ends of the second motors 303 are fixedly connected to the corresponding fan blades 304, and the second motors 303 drive the The fan blades 304 rotate to generate wind to blow out the heat generated by the electrical components in the cabinet body 101 through the ventilation holes.

Secondly, the filter element 305 is arranged on the cover plate 102 , and the wind entering the cabinet body 101 can be filtered by setting the filter element 305 .

Using the low-voltage withdrawable switchgear system of this embodiment, the fan blade 304 is driven to rotate by the second motor 303, which can generate wind to blow out the heat generated by the electrical components in the cabinet body 101 through the ventilation holes , by setting the filter element 305, the wind entering the cabinet body 101 can be filtered.

What is disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand all or part of the process for realizing the above embodiments, and according to the rights of the present invention The equivalent changes required still belong to the scope covered by the invention.

Claims (7)

1. The low-voltage draw-out type switch cabinet comprises a cabinet body, a cover plate, a support frame and a plurality of placing pieces, wherein the placing pieces are arranged on the support frame, the cover plate is rotationally connected with the cabinet body,

the device also comprises a drawing-out assembly;

the drawing assembly comprises a driving piece, a disc, a supporting rod, a block body and two sliding blocks, wherein the cabinet body is provided with two sliding grooves, the two sliding blocks are respectively and correspondingly connected with the sliding grooves in a sliding mode, the block body is fixedly connected with the supporting frame and is positioned below the supporting frame, two ends of the block body are respectively and correspondingly connected with the sliding blocks in a fixed mode, the block body is provided with a through hole, the driving piece is fixedly connected with the cabinet body, the output end of the driving piece is fixedly connected with the disc, one end of the supporting rod is fixedly connected with the disc, the other end of the supporting rod is inserted into the through hole, and the supporting rod is eccentrically arranged on the disc and is positioned above the disc.

2. The low voltage draw out switchgear of claim 1 wherein,

the extraction assembly further comprises a stabilizer bar, the cabinet body is further provided with an annular groove, one end of the stabilizer bar is fixedly connected with the disc, the other end of the stabilizer bar is inserted into the annular groove, and the stabilizer bar is located below the disc.

3. The low voltage draw out switchgear of claim 2 wherein,

the extraction assembly further comprises two support blocks, the cabinet body is further provided with two grooves, one ends of the two support blocks are fixedly connected with the block body, and the other ends of the two support blocks are respectively inserted into the corresponding grooves.

4. A low-voltage extraction switch cabinet as claimed in claim 3, characterized in that,

the driving piece comprises a support plate and a first motor, wherein the support plate is fixedly connected with the cabinet body, and the first motor is installed on the support plate.

5. The invention also provides a low-voltage draw-out switchgear system comprising a low-voltage draw-out switchgear as claimed in claim 4, characterized in that,

the novel cabinet also comprises a locking component, wherein the locking component is arranged on the cabinet body and is positioned on one side of the cabinet body.

6. The low voltage extraction type switchgear system of claim 5 wherein,

the locking assembly comprises a connecting block, a fixed plate, a supporting rod, a round block and a spring, wherein the connecting block is rotationally connected with the cover plate, the fixed plate is fixedly connected with the cabinet body, the connecting block is provided with a supporting groove, one end of the supporting rod is fixedly connected with the round block, the other end of the supporting rod penetrates through the fixed plate and is inserted into the supporting groove, one end of the spring is fixedly connected with the round block, and the other end of the spring is fixedly connected with the fixed plate.

7. The low voltage extraction switch cabinet system of claim 6 wherein,

the locking assembly further comprises a force application piece, wherein the force application piece is fixedly connected with the round block and is positioned above the round block.