CN109742661A - A kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure - Google Patents

Abstract

The invention discloses a kind of power distribution cabinets for facilitating maintenance and can adjusting heat dissipation by structure, including cabinet door, electrical component, metal mesh, fan and motor, the cabinet door is mounted on the left of the front surface of cabinet body, and the internal-flange bolt of cabinet body is equipped with electrical component, placement plate is provided in front of the electrical component, and the inside of placement plate is equipped with gag lever post, the left and right ends of the placement plate are fixedly installed with fixing axle, and fixing axle and limiting slot are connected with each other, and limiting slot is provided with the inner wall front end of cabinet body, the gag lever post passes through placement plate and fixing axle and limit hole is connected with each other, and limit hole is arranged in inside the outer framework of cabinet door, the metal mesh welding is mounted on the inner upper end of cabinet door.This facilitates maintenance and can adjust the power distribution cabinet of heat dissipation by structure, the heat release hole and radiating groove of the power distribution cabinet are arranged on the outside of the upper end of cabinet body, the principle risen by hot gas, hot gas is concentrated on to the inner tip position of cabinet body, the position for avoiding hot gas from resting on electrical component for a long time impacts electrical component.

Description

A kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure

Technical field

The present invention relates to power distribution cabinet technical field, specially a kind of distribution for facilitating maintenance and heat dissipation being adjusted by structure Cabinet.

Background technique

Power distribution cabinet is a kind of final stage device for distribution system, while different according to the place used, and power distribution cabinet can divide Class is level-one controller switching equipment, second level controller switching equipment and final distribution equipment, and each electrical component and route inside power distribution cabinet need Contact that good and connection is reliable, and the type of power distribution cabinet in the market is varied, but existing power distribution cabinet still exist with Lower problem:

1, the heat that the electrical component inside general power distribution cabinet is generated when being operated is by being arranged on power distribution cabinet shell The efficiency of the work that through-hole radiates, heat dissipation is lower, and when the power distribution cabinet is worked for a long time, internal temperature is easy Increase, to reduce the service life of the power distribution cabinet electric elements inside, while the power distribution cabinet the higher space of temperature into When row work, external heat is transmitted as readily to the inside of the power distribution cabinet, so that the power distribution cabinet internal temperature be easy to cause to increase The phenomenon that, it is unfavorable for the work operating of electric elements inside；

2, staff is needing to replace the electrical component inside the power distribution cabinet or when maintenance work, needs using arriving Tool or tool box are placed in ground by the operation that multiple types of tools is safeguarded, general staff, to make staff When being taken and being replaced to tool, the operation for often carrying out bending over to take is needed, is unfavorable for staff to the power distribution cabinet The work safeguarded.

So we have proposed a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure, it is above-mentioned in order to solve The problem of middle proposition.

Summary of the invention

The purpose of the present invention is to provide a kind of power distribution cabinets for facilitating maintenance and can adjusting heat dissipation by structure, on solving The efficiency for stating the distribution cabinet heat radiation currently on the market of background technique proposition is lower, is worked for a long time in the power distribution cabinet When, internal temperature is easy to increase, so that the service life of the power distribution cabinet electric elements inside is reduced, in extraneous temperature course In the case where so that the power distribution cabinet is carried out isolation work to extraneous temperature, while maintenance workers are carried out to the power distribution cabinet As when need the problem of tool and tool box are put to ground, the maintenance work of staff is unfavorable for.

To achieve the above object, the invention provides the following technical scheme: a kind of facilitate maintenance and can be adjusted by structure scattered The power distribution cabinet of heat, including cabinet door, electrical component, metal mesh, fan and motor, the front surface that the cabinet door is mounted on cabinet body are left Side, and the internal-flange bolt of cabinet body is equipped with electrical component, placement plate is provided in front of the electrical component, and placement plate is interior Portion is equipped with gag lever post, and the left and right ends of the placement plate are fixedly installed with fixing axle, and fixing axle and the first limiting slot are mutual Connection, and the first limiting slot is provided with the inner wall front end of cabinet body, and the gag lever post passes through placement plate and fixing axle and limit hole It being connected with each other, and limit hole is arranged in inside the outer framework of cabinet door, the metal mesh welding is mounted on the inner upper end of cabinet door, and The interior lower end of cabinet door is equipped with first partition, and the fan is mounted on the lower section of first partition, and is provided with below fan Master gear, and the inside of master gear offers tooth socket, and the master gear is connected with each other by the inner bottom surface of ball and cabinet door, And the central lower of master gear is equipped with motor, and motor is mounted on inside the bottom end outer framework of cabinet door, outside the cabinet body Surface is fixedly installed with fixed plate, and the top surface of fixed plate is equipped with straight panel, and straight panel is mutual by connecting shaft and fixed plate Connection, the bottom surface of the straight panel is fixedly installed with the first snap-gauge, and the first snap-gauge and card slot are connected with each other, and card slot is provided with The top surface of second partition, the second partition is connected with each other by the second snap-gauge and the second limiting slot, and the second limiting slot opens up On the inner wall of fixed plate.

Preferably, the cabinet body includes heat release hole and radiating groove, and the top inner wall of cabinet body offers heat release hole, and cabinet The top outer surface of body offers radiating groove, and the heat release hole and radiating groove are connected with each other, and the diameter of heat release hole is greater than metal Aperture between net, and a quarter with a thickness of side cabinet thickness of cabinet body top plate.

Preferably, the inner space of the heat release hole and the inner space of radiating groove are mutually communicated, and radiating groove is inclination Structure, and heat release hole and radiating groove equidistantly distributed are in the top surrounding of cabinet body.

Preferably, the placement plate constitutes slide construction by fixing axle and the first limiting slot and cabinet body, and fixing axle Side view is circle.

Preferably, the gag lever post includes connecting spring, connecting rod and push plate, and the company of being fixedly installed on the right side of gag lever post Spring is connect, and connecting spring is located at the inside of placement plate, the right end top surface of the gag lever post is fixedly installed with connecting rod, and even The top of extension bar is fixedly installed with push plate, and push plate is located at the outside of placement plate.

Preferably, the side view of the gag lever post is square, and the connection type of gag lever post and limit hole is to be connected together, And equidistantly distributed, the gag lever post are described by connecting spring and placement plate composition stretching structure on the cabinet for limit hole Connecting rod and placement plate constitute slide construction.

Preferably, the first partition includes pull rod and through-hole, and the center top surface of first partition is provided with pull rod, and Through-hole is offered in first partition, the pull rod is integrated with first partition, and through-hole in first partition angularly Distribution.

Preferably, the fan includes shaft and pinion, and the bottom end of fan is fixedly installed with shaft, and shaft Bottom end is that bearing is connect with cabinet body, and the outer surface of the shaft is fixedly installed with pinion, and the pinion passes through tooth socket and master Gear is engagement connection, and master gear constitutes rotational structure by ball and cabinet body, and the outside of master gear is angularly distributed There is fan.

Preferably, the straight panel constitutes slide construction, and the first snap-gauge in straight panel and card by connecting shaft and fixed plate Slot is to be connected together, and the second partition is connected together by the second snap-gauge with the second limiting slot, and the appearance of second partition Face is coated with one layer of insulating moulding coating, and has gap between second partition and cabinet body.

Compared with prior art, the beneficial effects of the present invention are: this facilitates maintenance and can adjust matching for heat dissipation by structure Electric cabinet；

1, the heat release hole of the power distribution cabinet and radiating groove are arranged on the outside of the upper end of cabinet body, because of the principle that hot gas rises, by hot gas collection In in the inner tip position of cabinet body, shadow is caused to electrical component in the position for avoiding hot gas from resting on electrical component for a long time It rings；

2, radiating groove is incline structure, effectively reduces the probability that some small-sized biologicals enter interior of the cabinet by radiating groove, together When interior of the cabinet at the top of metal mesh barrier work is carried out to some small-sized biologicals accidentally entered, avoid the electricity to interior of the cabinet Gas element impacts；

3, the inner bottom of cabinet body is provided with 6 fans, so that the wind-force for generating fan when being rotated is to electricity The heat that gas element generates when operating carries out blowing work, accelerates the speed that heat rises to interior of the cabinet top, improves simultaneously The radiating efficiency of the power distribution cabinet；

4, staff, can be by placement in the work for needing the electrical component to interior of the cabinet to safeguard or replace Tool or tool box are placed into placement plate and carry out subsequent operation by the expansion of plate, are effectively raised staff and are tieed up The working efficiency of shield；

5, the second partition on the outside of cabinet body effectively avoids the extraneous heat in the case where temperature is excessively high from entering the inside of cabinet body, together When second partition on be coated with one layer of insulating moulding coating, and there is gap between second partition and cabinet body, it is further stop it is outer The temperature on boundary enters interior of the cabinet.

Detailed description of the invention

Fig. 1 is the whole positive structure diagram of the present invention；

Fig. 2 is that placement plate of the present invention and cabinet body face section attachment structure schematic diagram；

Fig. 3 is enlarged structure schematic diagram at A in Fig. 2 of the present invention；

Fig. 4 is gag lever post of the present invention and fixing axle side structure schematic view；

Fig. 5 is that cabinet body of the present invention looks up the schematic diagram of the section structure；

Fig. 6 is that cabinet body of the present invention faces the schematic diagram of the section structure；

Fig. 7 is enlarged structure schematic diagram at B in Fig. 6 of the present invention；

Fig. 8 is first partition overlooking structure diagram of the present invention；

Fig. 9 is fan overlooking structure diagram of the present invention；

Figure 10 is fixed plate side elevational cross-section structural schematic diagram of the present invention；

Figure 11 is enlarged structure schematic diagram at C in Figure 10 of the present invention；

Figure 12 is second partition of the present invention and the second snap-gauge positive structure diagram.

In figure: 1, cabinet door；2, cabinet body；201, heat release hole；202, radiating groove；3, electrical component；4, placement plate；5, it limits Bar；51, connecting spring；52, connecting rod；53, push plate；6, fixing axle；7, the first limiting slot；8, limit hole；9, metal mesh；10, First partition；101, pull rod；102, through-hole；11, fan；111, shaft；112, pinion；12, tooth socket；13, master gear；14, Ball；15, motor；16, fixed plate；17, straight panel；18, connecting shaft；19, the first snap-gauge；20, card slot；21, second partition；22, Second snap-gauge；23, the second limiting slot.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-12 is please referred to, the present invention provides a kind of technical solution: a kind of to facilitate maintenance and heat dissipation be adjusted by structure Power distribution cabinet, including cabinet door 1, electrical component 3, metal mesh 9, fan 11 and motor 15, cabinet door 1 be mounted on the front surface of cabinet body 2 Left side, and the internal-flange bolt of cabinet body 2 is equipped with electrical component 3, the front of electrical component 3 is provided with placement plate 4, and placement plate 4 Inside gag lever post 5 is installed, the left and right ends of placement plate 4 are fixedly installed with fixing axle 6, and fixing axle 6 and the first limiting slot 7 It is connected with each other, and the first limiting slot 7 is provided with the inner wall front end of cabinet body 2, gag lever post 5 passes through placement plate 4 and fixing axle 6 and limit Position hole 8 is connected with each other, and limit hole 8 is arranged in inside the outer framework of cabinet door 1, and the welding of metal mesh 9 is mounted on the inside of cabinet door 1 End, and the interior lower end of cabinet door 1 is equipped with first partition 10, fan 11 are mounted on the lower section of first partition 10, and fan 11 Lower section is provided with master gear 13, and the inside of master gear 13 offers tooth socket 12, and master gear 13 passes through ball 14 and cabinet door 1 Inner bottom surface is connected with each other, and the central lower of master gear 13 is equipped with motor 15, and motor 15 is mounted on the bottom end of cabinet door 1 Inside outer framework, the outer surface of cabinet body 2 is fixedly installed with fixed plate 16, and the top surface of fixed plate 16 is equipped with straight panel 17, and Straight panel 17 is connected with each other by connecting shaft 18 and fixed plate 16, and the bottom surface of straight panel 17 is fixedly installed with the first snap-gauge 19, and first Snap-gauge 19 and card slot 20 are connected with each other, and card slot 20 is provided with the top surface of second partition 21, and second partition 21 passes through the second card Plate 22 and the second limiting slot 23 are connected with each other, and the second limiting slot 23 is provided on the inner wall of fixed plate 16.

Cabinet body 2 includes heat release hole 201 and radiating groove 202, and the top inner wall of cabinet body 2 offers heat release hole 201, and cabinet The top outer surface of body 2 offers radiating groove 202, and heat release hole 201 and radiating groove 202 are connected with each other, and the diameter of heat release hole 201 Greater than the aperture between metal mesh 9, and a quarter with a thickness of 2 side plate thickness of cabinet body of 2 top plate of cabinet body, consequently facilitating mentioning The heat dissipation effect of the high power distribution cabinet, carries out heat dissipation work, while metal mesh 9 is right after so that heat is risen to the top of cabinet body 2 first The work that some small-sized biologicals are obstructed.

The inner space of heat release hole 201 and the inner space of radiating groove 202 are mutually communicated, and radiating groove 202 is bevelled junction Structure, and heat release hole 201 and 202 equidistantly distributed of radiating groove further reinforce the power distribution cabinet in the top surrounding of cabinet body 2 Radiating efficiency, while the radiating groove 202 of outer low and inner high incline structure reduces small-sized biological and enters the probability inside cabinet body 2.

Placement plate 4 constitutes slide construction with cabinet body 2 by fixing axle 6 and the first limiting slot 7, and the side view of fixing axle 6 is Circle in the work that can be slided up and down or carries out the work of rotary expansion convenient for placement plate 4, facilitates work people Tool or tool box are placed in placement plate 4 by member.

Gag lever post 5 includes connecting spring 51, connecting rod 52 and push plate 53, and the right side of gag lever post 5 is fixedly installed with connection Spring 51, and connecting spring 51 is located at the inside of placement plate 4, and the right end top surface of gag lever post 5 is fixedly installed with connecting rod 52, and The top of connecting rod 52 is fixedly installed with push plate 53, and push plate 53 is located at the outside of placement plate 4, consequently facilitating staff is logical It crosses and operation is stirred to push plate 53, the work for making push plate 53 drive gag lever post 5 to be slided by connecting rod 52.

The side view of gag lever post 5 is square, and the connection type of gag lever post 5 and limit hole 8 is to be connected together, and limit The equidistantly distributed on cabinet body 2 of hole 8, gag lever post 5 constitute stretching structure by connecting spring 51 and placement plate 4, connecting rod 52 with Placement plate 4 constitutes slide construction, and gag lever post 5 is effectively made to pass through the position progress being connected together to placement plate 4 with limit hole 8 Fixed work, the phenomenon that avoiding placement plate 4 from being displaced and tilt.

First partition 10 includes pull rod 101 and through-hole 102, and the center top surface of first partition 10 is provided with pull rod 101, and And through-hole 102 is offered in first partition 10, pull rod 101 is integrated with first partition 10, and through-hole 102 first every 10 spaced at equal angles around of plate, the wind-force for effectively generating the rotation of fan 11 pass through the work that through-hole 102 is discharged, while work Make the operation that personnel can be taken out first partition 10 by pull rod 101.

Fan 11 includes shaft 111 and pinion 112, and the bottom end of fan 11 is fixedly installed with shaft 111, and shaft 111 bottom end is that bearing is connect with cabinet body 2, and the outer surface of shaft 111 is fixedly installed with pinion 112, and pinion 112 passes through tooth Slot 12 is to engage connection, and master gear 13 constitutes rotational structure, and master gear 13 by ball 14 and cabinet body 2 with master gear 13 Outside fan 11 is angularly distributed with, consequently facilitating pinion 112 driven while the work rotated shaft 111 into Row rotary work makes shaft 111 that fan 11 be driven to carry out rotary work, while master gear 13 drives pinion by tooth socket 12 112 carry out rotary work.

Straight panel 17 constitutes slide construction, and the first snap-gauge 19 and card slot in straight panel 17 by connecting shaft 18 and fixed plate 16 20 is are connected together, and second partition 21 is connected together by the second snap-gauge 22 with the second limiting slot 23, and second partition 21 Outer surface is coated with one layer of insulating moulding coating, and has gap between second partition 21 and cabinet body 2, consequently facilitating staff couple Second partition 21 carries out the work of installation and removal, the work that second partition 21 can effectively be isolated extraneous temperature Make.

The working principle of the present embodiment: according to Fig. 1-4, when staff needs to carry out the electrical component 3 inside cabinet body 2 Replacement and maintenance work when, push the work forward first to push plate 53, make push plate 53 by connecting rod 52 in placement plate 4 to It is inside slided, to make connecting rod 52 that gag lever post 5 be driven to carry out sliding work in fixing axle 6 and placement plate 4, is then limited Bar 5 is mutually separated with limit hole 8, while gag lever post 5 pushes connecting spring 51 to carry out contraction operating, then by placement plate 4 Sliding work is carried out in cabinet body 2 by fixing axle 6 and the first limiting slot 7, and slide into staff placement plate 4 suitably Placement plate 4 is then carried out 90 ° of rotary work outward by fixing axle 6 and the first limiting slot 7, then unclamped manually by position Push plate 53 makes gag lever post 5 automatically operate to initial position by the elastic force of connecting spring 51, to make gag lever post 5 and others Limit hole 8 is connected together, and completes the fixation work to 4 position of placement plate, and tool can be put and be put by the personnel of proceeding with one's work It sets on plate 4, consequently facilitating the maintenance work of staff, after staff's maintenance, according to above-mentioned principle by placement plate 4 It is rotatably moved to initial position, cabinet door 1 is then subjected to closing work, carries out cabinet door 1 to the outlet of 2 front surface of cabinet body Seal operation；

It,, will when the electrical component 3 inside cabinet body 2 carries out work operating after cabinet door 1 is closed according to Fig. 1 and Fig. 5-9 Motor 15 is started after being connected by power supply line with extraneous power supply, makes motor 15 that master gear 13 be driven to carry out rotary work, from And master gear 13 is made to drive pinion 112 to carry out rotary work in the inner bottom of cabinet body 2 by shaft 111 by tooth socket 12, Shaft 111 drives fan 11 to be rotated simultaneously, and fan 11 is made to generate wind-force by rotation, and the wind-force that then fan 11 generates is logical The through-hole 102 crossed in first partition 10 is discharged, and the heat for making wind-force that electrical component 3 be driven to generate when working is quickly upward It is moved, to make wind-force that heat be driven to rise to the inner tip of cabinet body 2 by metal mesh 9, then 2 inner tip of cabinet body The work discharged by heat release hole 201 on cabinet body 2 and radiating groove 202 of hot wind, improve the heat dissipation effect of the power distribution cabinet Rate, staff can carry out the work of sliding taking-up by pull rod 101 to first partition 10, consequently facilitating staff is to cabinet body 2 bottom inner portion carries out maintenance work；

According to Figure 10-12, the work that the second partition 21 in 2 outside of cabinet body can effectively be isolated extraneous temperature, when Ambient temperature is lower, when without carrying out isolation work by 21 pairs of stabilizations of second partition, can pull, make to straight panel 17 manually Straight panel 17 drives connecting shaft 18 to slide taking-up, while the first card of 17 bottom surface of straight panel from the outer framework inside on 16 top of fixed plate Plate 19 is separated from each other with card slot 20, is then pulled manually to second partition 21, and second partition 21 is made to pass through the second snap-gauge 22 With the second limiting slot 23 fixed plate 16 inside upward sliding, thus make second partition 21 skid off fixed plate 16 inside carry out Work is taken out, remaining second partition 21 is successively then subjected to sliding according to above-mentioned principle and takes out work, to complete a series of Work.

Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (9)

1. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure, including cabinet door (1), electrical component (3), metal mesh (9), fan (11) and motor (15), it is characterised in that: the cabinet door (1) is mounted on the left of the front surface of cabinet body (2), and cabinet body (2) internal-flange bolt is equipped with electrical component (3), is provided with placement plate (4) in front of the electrical component (3), and placement plate (4) inside is equipped with gag lever post (5), and the left and right ends of the placement plate (4) are fixedly installed with fixing axle (6), and fixing axle (6) it is connected with each other with the first limiting slot (7), and the first limiting slot (7) is provided with the inner wall front end of cabinet body (2), the limit Bar (5) passes through placement plate (4) and fixing axle (6) and limit hole (8) are connected with each other, and limit hole (8) setting is in the outer of cabinet door (1) Lower portion, the metal mesh (9) welding are mounted on the inner upper end of cabinet door (1), and the interior lower end of cabinet door (1) is equipped with the One partition (10), the fan (11) is mounted on the lower section of first partition (10), and is provided with master gear below fan (11) (13), and the inside of master gear (13) offers tooth socket (12), and the master gear (13) passes through ball (14) and cabinet door (1) Inner bottom surface is connected with each other, and the central lower of master gear (13) is equipped with motor (15), and motor (15) is mounted on cabinet door (1) inside bottom end outer framework, the outer surface of the cabinet body (2) is fixedly installed with fixed plate (16), and the top of fixed plate (16) Face is equipped with straight panel (17), and straight panel (17) is connected with each other by connecting shaft (18) and fixed plate (16), the straight panel (17) Bottom surface be fixedly installed with the first snap-gauge (19), and the first snap-gauge (19) and card slot (20) are connected with each other, and card slot (20) is opened It is located at the top surface of second partition (21), the second partition (21) is mutually interconnected by the second snap-gauge (22) with the second limiting slot (23) It connects, and the second limiting slot (23) is provided on the inner wall of fixed plate (16).

2. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The cabinet body (2) includes heat release hole (201) and radiating groove (202), and the top inner wall of cabinet body (2) offers heat release hole (201), And the top outer surface of cabinet body (2) offers radiating groove (202), and the heat release hole (201) mutually interconnects with radiating groove (202) Connect, and the diameter of heat release hole (201) be greater than metal mesh (9) between aperture, and cabinet body (2) top plate with a thickness of cabinet body (2) The a quarter of side plate thickness.

3. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 2, it is characterised in that: The inner space of the heat release hole (201) and the inner space of radiating groove (202) are mutually communicated, and radiating groove (202) is inclination Structure, and heat release hole (201) and radiating groove (202) equidistantly distributed are in the top surrounding of cabinet body (2).

4. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The placement plate (4) is by fixing axle (6) and the first limiting slot (7) and cabinet body (2) composition slide construction, and fixing axle (6) Side view is circle.

5. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The gag lever post (5) includes connecting spring (51), connecting rod (52) and push plate (53), and the right side of gag lever post (5) is fixedly mounted Have connecting spring (51), and connecting spring (51) is located at the inside of placement plate (4), the right end top surface of the gag lever post (5) is solid Dingan County is equipped with connecting rod (52), and the top of connecting rod (52) is fixedly installed with push plate (53), and push plate (53) is located at placement The outside of plate (4).

6. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 5, it is characterised in that: The side view of the gag lever post (5) is square, and the connection type of gag lever post (5) and limit hole (8) is to be connected together, and limit Position hole (8) equidistantly distributed on cabinet body (2), the gag lever post (5) are made up of flexible connecting spring (51) and placement plate (4) Structure, the connecting rod (52) and placement plate (4) constitute slide construction.

7. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The first partition (10) includes pull rod (101) and through-hole (102), and the center top surface of first partition (10) is provided with pull rod (101), it and in first partition (10) offers through-hole (102), the pull rod (101) is integrated knot with first partition (10) Structure, and through-hole (102) is in first partition (10) spaced at equal angles around.

8. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The fan (11) includes shaft (111) and pinion (112), and the bottom end of fan (11) is fixedly installed with shaft (111), and And the bottom end of shaft (111) is that bearing is connect with cabinet body (2), the outer surface of the shaft (111) is fixedly installed with pinion (112).

9. a kind of power distribution cabinet for facilitating maintenance and heat dissipation being adjusted by structure according to claim 1, it is characterised in that: The straight panel (17) constitutes slide construction, and the first snap-gauge (19) in straight panel (17) by connecting shaft (18) and fixed plate (16) It is to be connected together with card slot (20), the second partition (21) is to engage company with the second limiting slot (23) by the second snap-gauge (22) It connects, and the outer surface of second partition (21) is coated with one layer of insulating moulding coating, and has between second partition (21) and cabinet body (2) Gap.