CN112260083A

CN112260083A - Energy-concerving and environment-protective switch board that has heat dissipation function

Info

Publication number: CN112260083A
Application number: CN202011162550.5A
Authority: CN
Inventors: 王朱江
Original assignee: Guangzhou Tengliansheng Building Materials Co ltd
Current assignee: Guangzhou Tengliansheng Building Materials Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-01-22

Abstract

The invention relates to a power distribution cabinet, in particular to an energy-saving and environment-friendly power distribution cabinet with a heat dissipation function. The invention provides an energy-saving and environment-friendly power distribution cabinet with a heat dissipation function, which can dissipate heat of a power distribution cabinet, can illuminate the power distribution cabinet to facilitate maintenance of workers, can move the power distribution cabinet to a specified position, and can remove static electricity in the power distribution cabinet. The utility model provides an energy-concerving and environment-protective switch board that has heat dissipation function, including: the cabinet body and cabinet door subassembly, the cabinet body is gone up the rotation type and is equipped with cabinet door subassembly. According to the invention, the cabinet door assembly is arranged, and the cabinet door assembly is matched with the cabinet body, so that the opening and closing of the cabinet door can be realized; by arranging the heat dissipation assembly, the wind energy blown out by the heat dissipation assembly can prevent the power distribution cabinet from being overheated to melt the circuit, and meanwhile, the maintenance comfort of workers can be effectively improved; the automatic lighting assembly is matched with the cabinet door assembly, and can illuminate the power distribution cabinet, so that the speed of maintaining the circuit in the power distribution cabinet is effectively improved.

Description

Energy-concerving and environment-protective switch board that has heat dissipation function

Technical Field

The invention relates to a power distribution cabinet, in particular to an energy-saving and environment-friendly power distribution cabinet with a heat dissipation function.

Background

The power distribution cabinet is divided into a power distribution cabinet, a lighting distribution cabinet and a metering cabinet, which are all final-stage equipment of a power distribution system, the power distribution cabinet is a general name of a motor control center, the power distribution cabinet is used in occasions with more dispersed loads and less loops, the motor control center is used in occasions with concentrated loads and more loops, the motor control center distributes electric energy of a certain circuit of the previous-stage power distribution equipment to nearby loads, the equipment can provide protection, monitoring and control for the loads, but the more functions, the more heat is generated, the less heat is dispersed in the power distribution cabinet in time, the service life of the equipment can be shortened, meanwhile, workers carry the power distribution cabinet to other positions and need to consume larger strength, and long time is needed for maintaining the circuits in the power distribution cabinet without installing any lighting assembly in part.

Patent application No. CN207069336 discloses a switch board of novel plate-type structure, including the switch board body, the upper surface quadrangle end of switch board bottom plate all is provided with switch board L type support column, and the both sides end surface of switch board L type support column vertically all has vertically seted up and has pressed from both sides the groove, and the panel side all inserts through the fix with screw and establishes in pressing from both sides the inslot, and switch board L type support column lower extreme all is at switch board bottom plate upper surface quadrangle end through bolt fixed connection, and switch board L type support column upper end has the cabinet lid bottom plate through another group bolt fixed mounting. The circuit board is simple in structure and convenient to operate, the circuit is placed, the power distribution cabinet is not provided with any heat dissipation mechanism, meanwhile, no lighting assembly is installed, and the circuit maintenance speed of workers is low.

Therefore, to above-mentioned prior art problem, we have designed one kind and can dispel the heat to the switch board, can throw light on the workman's maintenance of being convenient for to the switch board simultaneously, can remove the switch board to the assigned position moreover to can be with the energy-concerving and environment-protective switch board that has the heat dissipation function that static was got rid of in the switch board.

Disclosure of Invention

In order to overcome the defects that the service life of equipment can be shortened due to untimely heat dissipation in a power distribution cabinet, a worker needs to consume great strength to carry the power distribution cabinet to other positions, and long time is consumed for maintaining a circuit in the power distribution cabinet without installing any lighting assembly on part of the power distribution cabinet, the invention has the technical problems that: the utility model provides a can dispel the heat to the switch board, can throw light on the switch board simultaneously and be convenient for workman's maintenance, can remove the switch board to the assigned position moreover to can be with the energy-concerving and environment-protective switch board that has the heat dissipation function that static was got rid of in the switch board.

The technical implementation scheme of the invention is as follows: the utility model provides an energy-concerving and environment-protective switch board that has heat dissipation function, including:

the cabinet body is rotatably provided with a cabinet door assembly;

the heat dissipation assembly is in contact fit with the cabinet body, and the cabinet body is provided with the heat dissipation assemblies in a vertically symmetrical penetrating mode.

Preferably, the cabinet door assembly comprises:

the cabinet body is fixedly connected with four hinges at intervals through bolts;

the door plates are fixedly connected to the hinges through bolts, the door plates are rectangular, and the door plates are in contact fit with the cabinet body;

the handle is welded on the door plate and is arc-shaped;

the lock is rotationally arranged on the door plate and is in contact fit with the inner wall of the cabinet body.

Preferably, the heat dissipation assembly includes:

the protective covers are symmetrically arranged on the upper side and the lower side of the cabinet body in a penetrating manner, and the number of the protective covers is two;

the protective cover is rotatably provided with two electric rotating shafts, and the number of the electric rotating shafts is cylindrical;

the fan, electronic pivot tip rigid coupling have the fan, and the quantity of fan is two, and the fan is located the safety cover.

Preferably, the automatic illumination device further comprises an automatic illumination assembly, wherein the automatic illumination assembly comprises:

the door panel is in contact fit with the buttons;

the upper part of the inner wall of the cabinet body is fixedly connected with electric wires through U-shaped buckles, and the number of the U-shaped buckles is seven;

the lamp holder is arranged at the end part of the wire, and the number of the lamp holders is one;

the lamp bulb is arranged in the lamp holder in a rotating mode, the number of the lamp bulbs is one, and the lamp bulbs are located at the top of the inner wall of the cabinet body.

Preferably, the mobile terminal further comprises a portable moving component, wherein the portable moving component comprises:

the lower part of the cabinet body is symmetrically provided with four first support columns in a penetrating and sliding manner;

universal wheels are rotatably arranged at the bottom ends of the two first supporting columns, and the number of the universal wheels is four;

the pressing plate is connected between the top ends of the two first supporting columns and is rectangular;

the bottom end of the cabinet body is symmetrically provided with four second support columns in a penetrating manner, and the first support columns and the universal wheels are in sliding fit with the corresponding second support columns;

the backup pad is connected with the backup pad between the second support column bottom that lies in same one side, and the quantity of backup pad is two, backup pad bottom and ground contact.

Preferably, the device further comprises a lifting assembly, wherein the lifting assembly comprises:

the lower part of the cabinet body is symmetrically and slidably provided with two wedge blocks;

the limiting blocks are symmetrically welded on the lower portion of the outer wall of the cabinet body, and the number of the limiting blocks is two;

the handles are rotatably arranged at the outer ends of the two limit blocks, and the bottom ends of the two handles are fixedly connected with the outer ends of the limit blocks;

the baffle is connected between the lower parts of the inner walls of the cabinets;

the middle of the bottom of the baffle is provided with one telescopic rod, and the bottom end of each telescopic rod is connected with the top end of the pressing plate;

the spring is sleeved on the telescopic rod, and two ends of the spring are connected to the pressing plate and the telescopic rod respectively.

Preferably, the static electricity removing device further comprises a static electricity removing assembly, wherein the static electricity removing assembly comprises:

the lower part of the cabinet body is fixedly connected with a fixed block;

the fixing block is rotatably provided with a cylindrical pin;

and the iron chain is arranged on the cylindrical pin and is in contact fit with the ground.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the cabinet door assembly is arranged, and the cabinet door assembly is matched with the cabinet body, so that the opening and closing of the cabinet door can be realized;

2. by arranging the heat dissipation assembly, the wind energy blown out by the heat dissipation assembly can prevent the power distribution cabinet from being overheated to melt the circuit, and meanwhile, the maintenance comfort of workers can be effectively improved;

3. the automatic lighting assembly is matched with the cabinet door assembly, so that the power distribution cabinet can be lighted, and the speed of maintaining the circuit in the power distribution cabinet is effectively improved;

4. the portable moving assembly is matched with the lifting assembly, and the carrying work of the power distribution cabinet can be realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the cabinet door removing assembly according to the present invention.

Fig. 3 is a schematic perspective view of the cabinet door assembly according to the present invention.

Fig. 4 is a schematic perspective view of a heat dissipation assembly according to the present invention.

Fig. 5 is a perspective view of the automatic lighting assembly of the present invention.

Fig. 6 is a schematic perspective view of the portable mobile device of the present invention.

Fig. 7 is a schematic perspective view of the lifting assembly of the present invention.

Fig. 8 is a schematic perspective view of the static electricity removing assembly of the present invention.

The parts are labeled as follows: 1-cabinet, 2-cabinet door component, 21-hinge, 22-door panel, 23-handle, 24-lock, 3-heat dissipation component, 31-protective cover, 32-fan, 33-electric rotating shaft, 4-automatic lighting component, 41-button, 42-wire, 43-U-shaped buckle, 44-lamp holder, 45-bulb, 5-portable moving component, 51-first supporting column, 52-universal wheel, 53-pressing plate, 54-second supporting column, 55-supporting plate, 6-lifting component, 61-wedge block, 62-handle, 63-limiting block, 64-telescopic rod, 65-spring, 66-baffle, 7-static electricity removing component, 71-fixing block, 72-cylindrical pin, 73-iron chain.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

The utility model provides an energy-concerving and environment-protective switch board that has heat dissipation function, as shown in figure 1 and figure 2, including the cabinet body 1, cabinet door subassembly 2 and

radiator unit

3, 1 front side left part rotary type of the cabinet body is equipped with cabinet door subassembly 2, and cabinet door subassembly 2 contacts the cooperation with 1 front side of the cabinet body, and 1 rear side longitudinal symmetry run-through of the cabinet body is equipped with radiator unit 3.

When the workman need use this switch board, the workman need with the device transport to the position that needs to use earlier, workman need open cabinet door subassembly 2 earlier afterwards, heat-radiating component 3 then can last the rotation carries out the work of dispelling the heat to the cabinet body 1, when cabinet door subassembly 2 rotates to the right side and stops temporarily and contact with the cabinet body 1, the workman has just accomplished the work of opening of switch board, thereby the workman can install the circuit in this switch board, after the workman has installed the circuit, the workman can close cabinet door subassembly 2, when cabinet door subassembly 2 rotates to the right side and contacts with cabinet body 1 again, the workman has just accomplished the circuit installation work of this switch board, if the workman need carry out maintenance work to the circuit in this switch board, the workman repeats above-mentioned operation once more can.

Example 2

In a preferred embodiment of the present invention, as shown in fig. 3, the cabinet door assembly 2 includes a hinge 21, a door 22, a handle 23 and a lock 24, the hinge 21 is fixed to the left portion of the front side of the cabinet 1 at intervals by bolts, the door 22 is fixed to the hinge 21 by bolts, the rear side of the door 22 is in contact fit with the front side of the cabinet 1, the handle 23 is welded to the right portion of the front side of the door 22, the lock 24 is rotatably arranged on the right side of the door 22, and the lock 24 is in contact fit with the right side of the inner wall of the cabinet 1.

When the worker needs to open the power distribution cabinet, the worker needs to rotate the lock 24 first, when the lock 24 rotates to stop contacting with the cabinet body 1 temporarily, the worker needs to hold the handle 23, the worker needs to pull the handle 23 to the front side, the handle 23 moves to the front side and can drive the door plate 22 to rotate, the door plate 22 rotates and can drive the hinge 21 to rotate, when the door plate 22 rotates to the right side and stops contacting with the cabinet body 1 temporarily, the worker just completes the opening work of the power distribution cabinet, at the moment, the worker can install the circuit in the power distribution cabinet and maintain the circuit, if the worker needs to close the power distribution cabinet, the worker needs to push the handle 23 to the rear side, the handle 23 moves to the rear side and can drive the door plate 22 to rotate reversely, the door plate 22 rotates reversely and can drive the hinge 21 to rotate, when the door plate 22 rotates to.

Example 3

In a preferred embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 4-fig. 8, the heat dissipation assembly 3 includes a protective cover 31, a fan 32, and an electric rotating shaft 33, the protective cover 31 is disposed on the rear side of the cabinet 1 in a vertically symmetrical manner, the electric rotating shaft 33 is rotatably disposed on the rear side of the protective cover 31, the fan 32 is fixedly connected to the front end of the electric rotating shaft 33, and the fan 32 is located in the protective cover 31.

When the cabinet body 1 dispels the heat, electronic pivot 33 lasts and can drive fan 32 rotatory from changeing, and safety cover 31 plays the guard action, and the rotatory wind that blows off of fan 32 can carry out the work of dispelling the heat to the cabinet body 1, and this switch board can avoid overheated meeting to melt the circuit so, also can the effectual comfort level that increases workman's maintenance simultaneously.

Still including automatic lighting assembly 4, automatic lighting assembly 4 is including button 41, electric wire 42, U-shaped buckle 43, lamp stand 44 and bulb 45, and button 41 is installed to cabinet body 1 inner wall right part, and door plant 22 rear side right part and button 41 contact cooperation, and cabinet body 1 inner wall upper portion has electric wire 42 through U-shaped buckle 43 rigid coupling, and lamp stand 44 is installed to the left end of electric wire 42, and the rotation formula of lamp stand 44 is equipped with bulb 45, and bulb 45 is located cabinet body 1 inner wall top.

If a worker needs to use a flashlight to perform lighting work when the worker meets the need of maintaining the line in the power distribution cabinet at night, the speed of maintaining the line is affected when the worker holds the flashlight to perform lighting, in order to effectively reduce the maintenance time of the worker, when the door panel 22 rotates to temporarily stop contacting with the button 41, the button 41 is opened, the button 41 transmits electricity to the lamp holder 44 through the wire 42, the lamp holder 44 lights the bulb 45, the U-shaped buckle 43 prevents the wire 42 from falling off, so that the light emitted by the bulb 45 illuminates the power distribution cabinet, after the worker maintains the line, the worker closes the door panel 22, when the door panel 22 rotates backwards to again contact with the button 41, the button 41 is closed, the lamp holder 44 extinguishes the bulb 45, so that the bulb 45 temporarily stops lighting the power distribution cabinet, and when the power distribution cabinet is opened, the bulb 45 is lighted to illuminate the power distribution cabinet, after the door plant 22 was closed to the workman, lamp stand 44 can extinguish bulb 45, and then bulb 45 can stop temporarily to carry out the work of throwing light on to the switch board to this switch board is effectual improved the speed of maintaining the interior circuit of switch board.

Still including portable removal subassembly 5, portable removal subassembly 5 is including first support column 51, the universal wheel 52, the clamp plate 53, second support column 54 and backup pad 55, cabinet body 1 lower part bilateral symmetry runs through slidingtype and is equipped with first support column 51, first support column 51's quantity is four, first support column 51 bottom equal rotary type is equipped with the universal wheel 52, be connected with clamp plate 53 between four first support column 51 tops, cabinet body 1 bottom bilateral symmetry runs through and is equipped with second support column 54, first support column 51 and universal wheel 52 and the corresponding second support column 54 slidingtype cooperation, be located and be connected with backup pad 55 between the second support column 54 bottom with one side, backup pad 55 bottom and ground contact.

When a worker needs to convey the power distribution cabinet to other positions, the worker needs to move the pressure plate 53 downwards, the pressure plate 53 moves downwards to drive the first support column 51 and the universal wheel 52 to slide downwards in the cabinet body 1, when the first support column 51 and the universal wheel 52 slide downwards until the first support column 51 and the universal wheel 52 are temporarily not located in the second support column 54 and the support plate 55 any more, the worker can adaptively push the cabinet body 1 to move according to actual conditions, the cabinet body 1 can move to other positions through the universal wheel 52, after the worker conveys the power distribution cabinet to other positions, the worker can temporarily stop moving downwards to make the pressure plate 53 move downwards, then the pressure plate 53 moves upwards, the pressure plate 53 moves upwards to drive the downward movement to drive the first support column 51 and the universal wheel 52 to slide upwards in the cabinet body 1, and when the first support column 51 and the universal wheel 52 slide upwards to be located in the second support column 54 and the support plate 55 again, the worker can temporarily stop pushing the cabinet body 1 to move, so that the worker can complete the carrying work of the power distribution cabinet.

Still including lifting unit 6, lifting unit 6 is including wedge 61, handle 62, stopper 63, telescopic link 64, spring 65 and baffle 66, the 1 lower part bilateral symmetry slidingtype of the cabinet body is equipped with wedge 61, the symmetrical welding in 1 outer wall lower part of the cabinet body has stopper 63, two stopper 63 outer end equal rotary types are equipped with handle 62, the bottom and the stopper 63 outer end rotary type of two handles 62 are connected, be connected with baffle 66 between the 1 inner wall lower part of the cabinet body, install telescopic link 64 in the middle of baffle 66 bottom, telescopic link 64 bottom is connected with clamp plate 53 top, the cover is equipped with spring 65 on the telescopic link 64, the both ends of spring 65 are connected respectively on clamp plate 53 and telescopic link 64.

The worker may clamp the hand of the worker during the process of manually moving the pressing plate 53 upwards, so the worker needs to hold the handle 62 first, and then the worker needs to press the handles 62 on the left and right sides downwards at the same time, the handle 62 rotates on the limiting block 63, the handle 62 rotates to push the wedge block 61 to slide towards the inner side of the cabinet body 1, when the wedge block 61 slides inwards to contact with the bottom of the pressing plate 53, the wedge block 61 pushes the pressing plate 53 to move upwards, the pressing plate 53 moves upwards to drive the first supporting column 51 and the universal wheel 52 to move upwards, further, the pressing plate 53 moves upwards to drive the telescopic rod 64 to move upwards, the spring 65 is compressed, the baffle plate 66 plays a supporting role, when the worker needs to carry the power distribution cabinet continuously, the worker needs to pull the handles 62 on the left and right sides upwards at the same time, the handle 62 rotates on the limiting block 63, and the handle 62 rotates to push, wedge 61 slides to the inboard and stops temporarily when contacting with clamp plate 53 bottom, spring 65 reset action, and spring 65 can promote clamp plate 53 downstream, and clamp plate 53 downstream can drive first support column 51 and universal wheel 52 downstream, and then clamp plate 53 downstream also can drive telescopic link 64 upward movement and reset, the transport of realization switch board that so workman can begin, also can effectually avoid clamp plate 53 upward movement to probably press from both sides the possibility of workman's hand.

The cabinet is characterized by further comprising a static electricity removing assembly 7, wherein the static electricity removing assembly 7 comprises a fixing block 71, a cylindrical pin 72 and an iron chain 73, the fixing block 71 is fixedly connected to the lower portion of the rear side of the cabinet body 1, the cylindrical pin 72 is rotatably arranged on the rear side of the fixing block 71, the iron chain 73 is mounted on the cylindrical pin 72, and the iron chain 73 is in contact fit with the ground.

Because of the article of iron can all have certain static, during workman's maintenance route, static can cause irrecoverable injury to the workman, so the iron chain 73 of this switch board bottom lasts and ground contact, and static in the switch board can transmit to subaerially through fixed block 71 and cylindric lock 72 and iron chain 73, and then the effectual injury of avoiding static to the workman of this switch board.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides an energy-concerving and environment-protective switch board that has heat dissipation function which characterized in that, including:

the cabinet comprises a cabinet body (1) and a cabinet door assembly (2), wherein the cabinet body (1) is rotatably provided with the cabinet door assembly (2);

the heat dissipation assembly (3), cabinet door subassembly (2) and the cabinet body (1) contact cooperation, the cabinet body (1) longitudinal symmetry run-through is equipped with heat dissipation assembly (3).

2. The power distribution cabinet with the energy-saving and environment-friendly heat dissipation function as recited in claim 1, wherein the cabinet door assembly (2) comprises:

the cabinet body (1) is fixedly connected with four hinges (21) at intervals through bolts, and the number of the hinges (21) is four;

the door plates (22) are fixedly connected to the hinges (21) through bolts, the door plates (22) are rectangular, and the door plates (22) are in contact fit with the cabinet body (1);

the door comprises a handle (23), a door panel (22) is welded with the handle (23), and the handle (23) is arc-shaped;

the lock (24) is rotationally arranged on the door panel (22), and the lock (24) is in contact fit with the inner wall of the cabinet body (1).

3. An energy-saving and environment-friendly power distribution cabinet with a heat dissipation function as defined in claim 2, wherein the heat dissipation assembly (3) comprises:

the protective covers (31) are symmetrically arranged on the cabinet body (1) in a penetrating manner from top to bottom, and the number of the protective covers (31) is two;

the protective cover (31) is rotatably provided with electric rotating shafts (33), the number of the electric rotating shafts (33) is cylindrical, and the number of the electric rotating shafts (33) is two;

the end part of the electric rotating shaft (33) is fixedly connected with the fans (32), the number of the fans (32) is two, and the fans (32) are positioned in the protective cover (31).

4. An energy-saving and environment-friendly power distribution cabinet with a heat dissipation function as claimed in claim 3, further comprising an automatic lighting assembly (4), wherein the automatic lighting assembly (4) comprises:

the button (41) is installed on the inner wall of the cabinet body (1), the number of the buttons (41) is one, and the door panel (22) is in contact fit with the buttons (41);

the upper part of the inner wall of the cabinet body (1) is fixedly connected with the electric wires (42) through U-shaped buckles (43), and the number of the U-shaped buckles (43) is seven;

the lamp holder (44) is installed at the end part of the wire (42), and the number of the lamp holders (44) is one;

the lamp holder (44) is rotatably provided with one bulb (45), the number of the bulbs (45) is one, and the bulbs (45) are positioned on the top of the inner wall of the cabinet body (1).

5. The power distribution cabinet with the energy-saving and environment-friendly heat dissipation function according to claim 4, further comprising a portable moving assembly (5), wherein the portable moving assembly (5) comprises:

the lower part of the cabinet body (1) is symmetrically provided with four first supporting columns (51) in a penetrating and sliding manner, and the number of the first supporting columns (51) is four;

the bottom ends of the two first supporting columns (51) are respectively and rotatably provided with universal wheels (52), and the number of the universal wheels (52) is four;

the pressing plate (53) is connected between the top ends of the two first supporting columns (51), and the pressing plate (53) is rectangular;

the bottom end of the cabinet body (1) is symmetrically provided with four second supporting columns (54) in a penetrating manner, and the first supporting columns (51) and the universal wheels (52) are in sliding fit with the corresponding second supporting columns (54);

the supporting plates (55) are connected between the bottom ends of the second supporting columns (54) on the same side, the number of the supporting plates (55) is two, and the bottoms of the supporting plates (55) are in contact with the ground.

6. The power distribution cabinet with the energy-saving and environment-friendly heat dissipation function according to claim 5, further comprising a lifting assembly (6), wherein the lifting assembly (6) comprises:

the lower part of the cabinet body (1) is symmetrically and slidably provided with two wedge blocks (61), and the number of the wedge blocks (61) is two;

the lower part of the outer wall of the cabinet body (1) is symmetrically welded with two limiting blocks (63), and the number of the limiting blocks (63) is two;

the handles (62) are rotatably arranged at the outer ends of the two limit blocks (63), and the bottom ends of the two handles (62) are fixedly connected with the outer ends of the limit blocks (63);

the baffle (66) is connected between the lower parts of the inner walls of the cabinet body (1);

the middle of the bottom of the baffle plate (66) is provided with the telescopic rod (64), the number of the telescopic rods (64) is one, and the bottom end of each telescopic rod (64) is connected with the top end of the corresponding pressure plate (53);

the spring (65) is sleeved on the telescopic rod (64), and two ends of the spring (65) are respectively connected to the pressing plate (53) and the telescopic rod (64).

7. The power distribution cabinet with the energy-saving and environment-friendly heat dissipation function according to claim 6, further comprising a static electricity removing component (7), wherein the static electricity removing component (7) comprises:

the lower part of the cabinet body (1) is fixedly connected with a fixed block (71);

the fixing block (71) is rotatably provided with a cylindrical pin (72);

the iron chain (73) is arranged on the cylindrical pin (72), and the iron chain (73) is in contact fit with the ground.

8. An energy-saving and environment-friendly power distribution cabinet with a heat dissipation function as claimed in claim 5, wherein the supporting plate (55) is rectangular.