CN114362014A - Switch board shock attenuation heat radiation structure and switch board thereof - Google Patents

Abstract

The invention provides a shock-absorbing and heat-dissipating structure for a power distribution cabinet and the power distribution cabinet thereof, including a power distribution cabinet body, a support angle plate, a sealed cabinet door, a sealed lock, a support rod, a dust cover, a shock-absorbing support bracket assembly, a cooling Cooling Elbow Assembly, Circulating Cooling Duct Assembly, External Cooling Fan, Internal Cooling Fan, Grille, Ventilation Mesh, Adjustment Slide, Adjustment Slide, Component Mounting Plate and Damping Chute. The arrangement of the external cooling fan, the internal cooling fan and the ventilation mesh of the present invention facilitates the simultaneous blowing and cooling of the inside and the outside of the power distribution cabinet, improves the efficiency of air circulation, and effectively cools the inside thereof; , Limit buckle seat, rubber cylinder, buffer cylinder tube, shock-absorbing spring 2, limit block and limit block are set, which is beneficial to play the role of shock absorption and buffering when installing and placing electrical components, and at the same time reduce The first shock spring and the limit buckle seat are alternately arranged, which improves the effect of shock absorption; the operation is convenient and simple, and the practicability is strong.

Description

A shock-absorbing and heat-dissipating structure for a power distribution cabinet and a power distribution cabinet thereof

technical field

The invention belongs to the technical field of power distribution cabinets, and in particular relates to a shock absorption and heat dissipation structure of a power distribution cabinet and a power distribution cabinet thereof.

Background technique

Power equipment mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment is mainly power station boilers, steam turbines, gas turbines, hydraulic turbines, generators, transformers, etc. The power supply equipment is mainly transmission lines of various voltage levels, transformers, Contactors, etc., power distribution cabinets are also a type of power equipment. Power distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, which are the final equipment of the power distribution system. Power distribution cabinet is a general term for motor control center. The power distribution cabinet is used in situations where the load is relatively scattered and there are few circuits; the motor control center is used in the situation where the load is concentrated and there are many circuits. The equipment shall provide protection, monitoring and control of the load.

Traditionally, when placing a large power distribution cabinet, due to its own gravity and some electrical components installed inside, it will increase the force of the supporting legs on the bottom surface of the power distribution cabinet. The support of the power distribution cabinet, and the traditional power distribution box only uses fans to dissipate heat inside it. In a high temperature environment, there are still problems of slow heat dissipation and poor heat dissipation effect. In addition, the Chinese patent publication number is CN113346367A, the invention-creation name is a power distribution cabinet shock absorption and heat dissipation structure and its power distribution cabinet, including a power distribution cabinet body, the bottom surface of the power distribution cabinet body is connected to a fixed connection rubber pad, the The bottom surface of the rubber pad is fixedly connected to the sponge pad, the bottom surface of the sponge pad is fixedly connected to the bottom plate, the four corners of the bottom surface of the bottom plate are respectively fixed and connected to the support rod, and the bottom end of the support rod is slidably connected to the interior of the vertical rod, the vertical The upper surface of the rod is provided with a circular groove, the top of the power distribution cabinet body is provided with a rectangular hole, the inside of the rectangular hole is provided with a fan 1, and the inner walls of the left and right sides of the power distribution cabinet body are respectively fixed and connected to the mounting frame. One side of the mounting bracket is fixed to install the second fan.

However, the existing power distribution cabinet still has the problems of not having the function of shock absorption and buffering when installing the electrical components in the cabinet, poor heat dissipation effect during operation and inconvenient installation of the electrical components.

In view of this, it is very necessary to invent a shock-absorbing and heat-dissipating structure for a power distribution cabinet and the power distribution cabinet.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a shock-absorbing and heat-dissipating structure for a power distribution cabinet and a power distribution cabinet thereof, so as to solve the problem that the existing power distribution cabinet does not have the function of shock absorption and buffering when installing electrical components in the cabinet, and heat dissipation during operation Poor effect and inconvenient installation of electrical components.

A shock-absorbing and heat-dissipating structure for a power distribution cabinet and a power distribution cabinet thereof, comprising a power distribution cabinet body, a support angle plate, a sealed cabinet door, a sealed lock, a support rod, a dust cover, a shock-absorbing support bracket assembly, and a cooling and heat dissipation elbow assembly, circulating cooling duct assembly, external cooling fan, internal cooling fan, grille, ventilation mesh, adjusting slide, adjusting slide, component mounting plate and shock absorbing chute, the support angle plates are respectively bolted to the power distribution The lower left and right sides of the cabinet body; the hinged hinges of the sealed cabinet door are connected to the front of the power distribution cabinet body; the sealed lock is embedded in the middle position of the inner right side of the sealed cabinet door; the support rod One end is bolted to the upper four corners of the power distribution cabinet, and the other end is bolted to the lower part of the dust cover; the shock-absorbing support bracket assembly is connected to the inside of the shock-absorbing chute; the cooling and cooling elbow The assembly screw is connected to the upper position of the inner rear side of the power distribution cabinet; the circulating cooling duct assembly is arranged at the lower part of the dust cover and is connected with the cooling and cooling elbow assembly; the external cooling fan is screwed to the dustproof cover. The lower middle position of the cover; the internal cooling fan screw is connected to the upper position of the inner right side of the power distribution cabinet; the grille covers the outside of the external cooling fan and the internal cooling fan respectively, and is connected with the power distribution cabinet and the power distribution cabinet. The dust cover is connected with screws; the ventilation mesh is opened in the middle position of the upper top of the power distribution cabinet; the adjustment slides are respectively connected with screws at the lower position of the inner rear side of the power distribution cabinet; the adjustment The sliding hole is longitudinally opened at the inner middle position of the adjustment slide plate; the component mounting plate is slidably clamped in the adjustment sliding hole and fixed with bolts; the shock absorption sliding grooves are respectively opened at the lower positions of the inner four corners of the power distribution cabinet;

The shock-absorbing support plate assembly includes a support bottom plate, a sliding block, a buffer tension spring, a shock-absorbing spring, a limit buckle seat and a buffer rubber column structure, and the sliding blocks are respectively bolted to the support bottom plate. The outer four corners of the sliding block; the buffer tension springs are respectively screwed to the middle of the upper and lower parts of the sliding block; the shock-absorbing spring 1 and the limit buckle are screwed to the lower part of the support bottom bracket; the The buffer rubber column structure is movably inserted in the limit buckle seat.

Preferably, the circulating cooling conduit assembly includes a cooling liquid tank, a cabinet inlet nozzle, a filter element, a circulating liquid pump and a pump frame, and the cabinet inlet nozzle is threadedly connected to the lower part of the filter core; the filter core thread It is connected to the lower part of the cold liquid tank and communicated with its interior; the circulating liquid pump is bolted to the right side of the pump frame.

Preferably, the cooling and radiating elbow assembly includes a cooling coil, a fixing plate, a fixing hoop sheet, a liquid inlet pipe and a liquid return pipe, and the fixing hoop sheet is riveted to the front of the fixing plate; the The cooling coil is clamped between the fixing plate and the fixing hoop sheet; the liquid inlet pipe is integrally arranged on the upper right side of the cooling coil; the liquid return pipe is integrally arranged at the lower right side of the cooling coil .

Preferably, the buffer rubber column structure further includes a rubber column body, a buffer cylinder tube, a second damping spring, a limit stop and a limit stop plate, and the rubber column is movably inserted into the buffer cylinder tube. The upper side position; two ends of the shock-absorbing spring are screwed on the lower surface of the limit stop plate, and the other end is screwed on the lower bottom of the buffer cylinder pipe; the limit stops are respectively screwed on the buffer cylinder pipe the upper side of the inner wall.

Preferably, the sliding block is slidably clamped inside the damping chute; the buffer tension springs are respectively screwed and connected to the cabinet phases of the power distribution cabinet.

Preferably, the limit stop plate is arranged at the lower part of the limit stop block; the upper part of the rubber cylinder is movably inserted inside the limit buckle seat.

Preferably, the lower part of the circulating liquid pumping pump is threadedly connected with an outlet nozzle; the upper part of the circulating liquid pumping pump is threadedly connected with a liquid return conduit; the upper part of the described liquid return conduit is embedded in the right side of the cold liquid tank The upper position of the side and communicate with its interior.

Preferably, the fixing plate is screwed to the inner rear inner wall of the power distribution cabinet.

Preferably, the pump frame is bolted to the right side of the power distribution cabinet; the cooling liquid tank is bolted to the lower right position of the dust cover.

Preferably, the left side of the inlet nozzle is threadedly connected with the liquid inlet nozzle; the left side of the cabinet outlet nozzle is threadedly connected with the liquid return nozzle.

Preferably, a liquid replenishing pipe is inlaid on the upper left side of the cold liquid tank, and a sealing cap is threadedly connected to the top of the liquid replenishing pipe.

Preferably, the first shock-absorbing spring and the limit buckle seat are alternately arranged.

Preferably, the external cooling fan, the internal cooling fan and the circulating liquid pump are respectively common equipment in the technical field, and are connected to the controller installed in the power distribution cabinet, which will not be repeated here.

Compared with the prior art, the beneficial effects of the present invention are:

1. The arrangement of the external cooling fan, the internal cooling fan and the ventilation meshes of the present invention is conducive to blowing and cooling the inside and the outside of the power distribution cabinet at the same time, improving the efficiency of air circulation, and effectively cooling its interior. .

2. The arrangement of the cooling coil, the fixing plate, the fixing hoop sheet, the liquid inlet pipe, the liquid return pipe, the circulating liquid pump, the outlet pipe and the liquid return pipe according to the present invention is beneficial to the use of the circulation of the cooling liquid, Take away the heat inside the power distribution cabinet, enrich the cooling function, improve the working efficiency of the external cooling fan and the internal cooling fan, and make full use of the internal space of the power distribution cabinet.

3. The setting of the damping spring 1, the limit buckle seat, the rubber cylinder, the buffer cylinder tube, the damping spring 2, the limit stop block and the limit stop plate according to the present invention is beneficial to the installation and placement of the electrical components. At the same time, it plays the role of shock absorption and buffering, and at the same time, the shock absorption spring 1 and the limit buckle seat are alternately arranged, which improves the effect of shock absorption.

4. The upper left side of the cooling liquid tank of the present invention is inlaid with a liquid replenishing pipe, and the top of the liquid replenishing pipe is threadedly connected with a sealing cap, which is conducive to buffering and replenishing the cooling liquid. Ensure the normal operation of cooling cycle.

5. The arrangement of the power distribution cabinet body, the support angle plate, the sealed cabinet door and the sealed lock according to the present invention is conducive to the storage, installation and fixation of the shock-absorbing support bracket assembly and the cooling fan, and used together.

6. The arrangement of the support rod and the dust cover according to the present invention is beneficial to play the role of support and isolation, and play the role of sunshade and rainproof.

7. The arrangement of the damping chute, the sliding block and the buffer tension spring according to the present invention is beneficial to play the role of sliding damping, and can perform partial storage, folding, compression and reset.

8. The adjustment slide plate of the present invention, the arrangement of the adjustment sliding hole and the component mounting plate, is conducive to the installation and fixation of electrical components, and can adjust the height of the component mounting plate to meet the needs of different types of device installation.

To sum up, the device can increase the shock absorption effect of the power distribution cabinet, avoid the shaking of the parts inside the power distribution cabinet, so that the power distribution cabinet can work better; it can effectively reduce the power distribution The temperature inside the cabinet can avoid the aging of the internal accessories of the power distribution cabinet under long-term heating, thereby prolonging the service life of the internal accessories; the operation is convenient and simple, and the practicability is strong.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the power distribution cabinet of the present invention.

FIG. 3 is a schematic structural diagram of the shock-absorbing support pallet assembly of the present invention.

FIG. 4 is a schematic structural diagram of the buffer rubber column structure of the present invention.

FIG. 5 is a schematic structural diagram of the cooling and cooling elbow assembly of the present invention.

FIG. 6 is a schematic structural diagram of the circulating cooling duct assembly of the present invention.

In the picture:

1. Power distribution cabinet; 2. Support angle plate; 3. Sealed cabinet door; 4. Sealed lock; 5. Support rod; 6. Dust cover; ;72, sliding block; 73, buffer tension spring; 74, shock absorber spring one; 75, limit buckle seat; 76, buffer rubber column structure; 761, rubber column body; 762, buffer cylinder tube; 763, shock absorber spring 2; 764, limit stop; 765, limit stop plate; 8, cooling and cooling elbow assembly; 81, cooling coil; 82, fixing plate; 83, fixing hoop sheet; 84, liquid inlet pipe; 85, Liquid return pipe; 9. Circulating cooling pipe assembly; 91, cold liquid tank; 92, inlet pipe; 93, filter element; 94, circulating liquid pump; 941, outlet pipe; 942, liquid return pipe; 95, pump 10. External cooling fan; 11. Internal cooling fan; 12. Net cover; 13. Ventilation mesh hole; 14. Adjusting slide plate; 15. Adjusting sliding hole; 16. Component mounting plate;

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings:

Example:

As shown in Figures 1 to 4, the present invention provides a shock-absorbing and heat-dissipating structure for a power distribution cabinet and a power distribution cabinet thereof, including a power distribution cabinet body 1, a supporting corner plate 2, a sealed cabinet door 3, and a sealed lock 4, Support rod 5, dust cover 6, shock-absorbing support bracket assembly 7, cooling and cooling elbow assembly 8, circulating cooling duct assembly 9, external cooling fan 10, internal cooling fan 11, mesh cover 12, ventilation mesh 13, adjustment The sliding plate 14, the adjusting sliding hole 15, the component mounting plate 16 and the damping chute 17, the support angle plates 2 are respectively bolted to the lower left and right sides of the power distribution cabinet 1; the sealed cabinet door 3 hinges The hinge is connected to the front of the power distribution cabinet 1; the sealing lock 4 is embedded in the inner right middle position of the sealed cabinet door 3; one end of the support rod 5 is bolted to the upper part of the power distribution cabinet 1 respectively At the four corners, the other end is screwed to the lower part of the dust cover 6; the shock-absorbing support bracket assembly 7 is connected to the inside of the shock-absorbing chute 17; the cooling and cooling elbow assembly 8 is screwed to the power distribution cabinet The upper position of the inner rear side of the body 1; the circulating cooling conduit assembly 9 is arranged at the lower part of the dust cover 6 and is connected with the cooling and cooling elbow assembly 8; the external cooling fan 10 is screwed on the dust cover 6. The lower middle position of the inner cooling fan 11 is screwed to the upper position of the inner right side of the power distribution cabinet 1; The electrical cabinet body 1 and the dust cover 6 are connected with screws; the ventilation mesh 13 is opened in the middle position of the upper top of the power distribution cabinet 1; The lower position of the inner rear side; the adjusting sliding hole 15 is longitudinally opened in the inner middle position of the adjusting sliding plate 14; the component mounting plate 16 is slidably clamped in the adjusting sliding hole 15 and fixed with bolts; The slots 17 are respectively opened at the lower positions of the inner four corners of the power distribution cabinet 1;

The shock-absorbing support plate assembly 7 includes a support bottom plate 71, a sliding block 72, a buffer tension spring 73, a shock-absorbing spring 74, a limit buckle seat 75 and a buffer rubber column structure 76. The sliding block 72 They are respectively bolted to the outer four corners of the support bottom plate 71; the buffer tension springs 73 are respectively screwed to the middle positions of the upper and lower parts of the sliding block 72; The screw is connected to the lower part of the support bottom bracket 71; the buffer rubber column structure 76 is movably inserted into the limit buckle seat 75;

The buffer rubber column structure 76 further includes a rubber column 761, a buffer cylinder tube 762, a second shock spring 763, a limit stop 764 and a limit stop plate 765. The rubber column 761 is movably inserted into the buffer. The inner upper position of the cylinder tube 762; one end of the second shock-absorbing spring 763 is screwed to the lower surface of the limit stop plate 765, and the other end is screwed to the lower bottom of the buffer cylinder tube 762; the limit stopper 764 are respectively screwed to the upper position of the inner wall of the buffer cylinder pipe 762 .

As shown in FIG. 5 , in the above embodiment, specifically, the cooling and cooling elbow assembly 8 includes a cooling coil 81 , a fixing plate 82 , a fixing hoop sheet 83 , a liquid inlet pipe 84 and a liquid return pipe 85 , The fixing hoop sheet 83 is riveted to the front of the fixing plate 82; the cooling coil 81 is clamped between the fixing plate 82 and the fixing hoop sheet 83; the liquid inlet pipe 84 is integrally arranged on the The upper right side of the cooling coil 81 ; the liquid return pipe 85 is integrally arranged on the lower right side of the cooling coil 81 .

As shown in FIG. 6 , in the above embodiment, specifically, the circulating cooling conduit assembly 9 includes a cooling liquid tank 91 , a cabinet inlet pipe 92 , a filter element 93 , a circulating liquid pump 94 and a pump frame 95 . The inlet nozzle 92 is threadedly connected to the lower part of the filter element 93; the filter element 93 is threadedly connected to the lower part of the cooling liquid tank 91 and communicated with its interior; Right.

In the above embodiment, specifically, the sliding block 72 is slidably clamped inside the damping chute 17; the buffer tension springs 73 are respectively screwed and connected to the cabinet of the power distribution cabinet 1; The limit stop plate 765 is arranged at the lower part of the limit stop block 764; the upper part of the rubber cylinder 761 is movably inserted inside the limit buckle seat 75; the shock-absorbing spring 1 74 and the limit buckle seat 75 Alternate settings.

In the above-mentioned embodiment, specifically, the lower part of the circulating pump 94 is threadedly connected with an outlet nozzle 941; the upper part of the circulating pump 94 is threadedly connected with a liquid return conduit 942; the liquid return conduit The upper part of 942 is embedded in the upper part of the right side of the coolant tank 91 and communicates with the inside thereof.

In the above embodiment, specifically, the fixing plate 82 is connected with the inner wall of the inner rear side of the power distribution cabinet 1 by screws.

In the above embodiment, specifically, the pump frame 95 is bolted to the right side of the power distribution cabinet 1; the cooling liquid tank 91 is bolted to the lower right position of the dust cover 6; the The left side of the inlet pipe 92 is threadedly connected with the liquid inlet pipe 84; the left side of the outgoing pipe 941 is threadedly connected with the liquid return pipe 85; the upper left side of the cold liquid tank 91 is inlaid with a liquid replenishing pipe and a sealing cap is threadedly connected to the top of the fluid supplement pipe.

In the above-mentioned embodiment, specifically, the external cooling fan 10, the internal cooling fan 11 and the circulating liquid pump 94 respectively adopt common equipment in the technical field, and are connected with the controller installed in the power distribution cabinet 1, I won't go into details here.

working principle

When the present invention is in use, the sealed cabinet door 3 is opened and closed through the sealed lock 4. In addition, the supporting corner plate 2 is fixedly connected to the use position of the power distribution cabinet 1 with bolts. When the electrical components are installed, they are placed on the support On the upper part of the bottom bracket 71, the shock-absorbing spring 1 74, the limit buckle seat 75, the rubber cylinder 761, the buffer cylinder tube 762, the shock-absorbing spring 2 763, the limit stop 764 and the limit stop plate 765 are provided, It is beneficial to play the role of shock absorption and buffering when installing and placing electrical components, and at the same time, the shock absorption spring 1 74 and the limit buckle seat 75 are alternately arranged, which improves the effect of shock absorption;

Install the corresponding electrical components on the component mounting plate 16, and adjust the height of the component mounting plate 16 under the action of the adjusting slide plate 14 and the adjusting sliding hole 15 to meet the needs of different types of device installation;

The external cooling fan 10, the internal cooling fan 11 and the circulating liquid pump 94 are connected to the controller installed in the power distribution cabinet 1, and the air circulation is improved by blowing and cooling the inside and the outside of the power distribution cabinet 1 at the same time. efficiency, effectively cooling its interior;

Under the action of the circulating liquid pump 94, the cooling liquid is circulated, the heat inside the power distribution cabinet 1 is taken away, the heat dissipation and cooling functions are enriched, the working efficiency of the external cooling fan 10 and the internal cooling fan 11 are improved, and the power distribution cabinet is fully utilized. 1 interior space.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

Finally, it should be noted that the above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A shock-absorbing and heat-dissipating structure for a power distribution cabinet, characterized in that the power-distribution cabinet shock-absorbing and heat-dissipating structure comprises a power distribution cabinet body (1), a shock-absorbing support bracket assembly (7), a cooling and heat-dissipating elbow assembly ( 8), circulating cooling duct assembly (9), external cooling fan (10), internal cooling fan (11), grille (12), ventilation mesh (13), adjusting slide plate (14), adjusting sliding hole (15) , the component mounting plate (16) and the shock-absorbing chute (17), the shock-absorbing support bracket assembly (7) is connected to the inside of the shock-absorbing chute (17); the cooling and cooling elbow assembly (8) ) screw is connected to the upper position of the inner rear side of the power distribution cabinet (1); the circulating cooling duct assembly (9) is connected with the cooling and cooling elbow assembly (8); the internal cooling fan (11) is screwed is connected to the upper position on the inner right side of the power distribution cabinet (1); the grille (12) covers the outside of the external cooling fan (10) and the internal cooling fan (11) respectively, and is connected to the power distribution cabinet (1). ) phase screws are connected; the ventilation mesh holes (13) are opened in the middle position of the upper top of the power distribution cabinet (1); The lower position of the inner rear side; the adjusting sliding hole (15) is longitudinally opened at the inner middle position of the adjusting sliding plate (14); the component mounting plate (16) is slidably clamped in the adjusting sliding hole (15) and bolted Fixing; the shock-absorbing chute (17) is respectively provided at the lower position of the inner four corners of the power distribution cabinet (1); The shock-absorbing support bracket assembly (7) includes a support bottom bracket (71), a sliding block (72), a buffer tension spring (73), a shock-absorbing spring (74), a limit buckle seat (75) and The buffer rubber column structure (76), the sliding blocks (72) are respectively bolted to the outer four corner positions of the supporting bottom plate (71); the buffer tension springs (73) are respectively bolted to the sliding blocks (72) The middle position of the upper and lower parts; the first shock-absorbing spring (74) and the limit buckle seat (75) are respectively screwed to the lower part of the supporting bottom bracket (71); the buffering rubber column structure (76) is movable It is inserted into the limit buckle seat (75). 2. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 1, characterized in that, the circulating cooling conduit assembly (9) comprises a cooling liquid tank (91), a cabinet inlet pipe (92), a filter element (93) ), the circulating pump (94) and the pump frame (95), the cabinet inlet pipe (92) is threadedly connected to the lower part of the filter element (93); the filter element (93) is threadedly connected to the cooling liquid tank The lower part of (91) is communicated with its interior; the circulating liquid pump (94) is bolted to the right side of the pump frame (95). 3. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 1, characterized in that, the cooling and heat-dissipating elbow assembly (8) comprises a heat-dissipating coil (81), a fixing plate (82), a fixing hoop sheet (83), the liquid inlet pipe (84) and the liquid return pipe (85), the fixing hoop sheet (83) is riveted on the front part of the fixing plate (82); the cooling coil (81) is clamped Between the fixing plate (82) and the fixing hoop sheet (83); the liquid inlet pipe (84) is integrally arranged on the upper right side of the cooling coil (81); the liquid return pipe (85) is integrated It is arranged on the lower right side of the cooling coil (81). 4. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 1, characterized in that the buffer rubber column structure (76) further comprises a rubber column (761), a buffer cylinder tube (762), a shock absorbing spring Two (763), a limit stopper (764) and a limit stopper plate (765), the rubber cylinder (761) is movably inserted at the inner upper position of the buffer cylinder pipe (762); the reduction One end of the second shock spring (763) is screwed to the lower surface of the limit stop plate (765), and the other end is screwed to the lower bottom of the buffer cylinder tube (762); the limit stops (764) are respectively screwed to The position on the upper side of the inner wall of the buffer cylinder pipe (762). 5. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 1, wherein the sliding block (72) is slidably clamped inside the shock-absorbing chute (17); the buffer tension spring (73) ) are respectively screwed to the cabinet phases of the power distribution cabinet (1). 6. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 4, wherein the limit stop plate (765) is arranged at the lower part of the limit stop block (764); the rubber cylinder (765) The upper part of 761) is movably inserted inside the limit buckle seat (75). 7. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 2, wherein the lower part of the circulating pump (94) is threadedly connected with an outlet pipe (941); the circulating pump (94) The upper part of (94) is screwed with a liquid return conduit (942); the upper part of the liquid return conduit (942) is embedded in the upper right position of the cold liquid tank (91) and communicated with the inside thereof. 8. The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 2, wherein the pump frame (95) is bolted to the right side of the power distribution cabinet body (1); the cooling liquid tank (91) The screw is connected to the lower right position of the dust cover (6). 9 . The shock-absorbing and heat-dissipating structure of a power distribution cabinet according to claim 1 , wherein the first shock-absorbing spring ( 74 ) and the limit buckle seat ( 75 ) are alternately arranged. 10 . 10. A power distribution cabinet, characterized in that the power distribution cabinet body (1) comprises a support angle plate (2), a sealed cabinet door (3), a sealed lock (4), a support rod (5) and an The dust cover (6), the support angle plates (2) are respectively bolted to the lower left and right sides of the power distribution cabinet body (1); the hinged hinges of the sealed cabinet door (3) are connected to the power distribution cabinet The front part of the body (1); the sealing lock (4) is embedded in the inner right middle position of the sealing cabinet door (3); one end of the support rod (5) is bolted to the power distribution cabinet body (1) ), and the other end is screwed to the lower part of the dust cover (6).

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