CN117477366B - A shock-absorbing and heat-dissipating power cabinet for electric power engineering - Google Patents

Abstract

The invention discloses a damping and heat dissipation electric power cabinet for electric power engineering, which belongs to the technical field of electric power engineering and comprises a cabinet body and a base, wherein the outer surface of the cabinet body is in sliding connection with the inner wall of a shell cavity of the base, the outer surface of the cabinet body is provided with an air outlet, and the side wall of the cabinet body is provided with a dust removal component; according to the invention, the dust removal assembly is arranged, when the lug is removed, the connecting spring drives the dust-proof plate to move downwards rapidly through the fixing block, and when the connecting plate collides with the rotating disc, the dust on the dust-proof plate is vibrated, so that the dust is blown off by the blowing force generated by the rotation of the fan blade on the rotating rod, the dust is prevented from entering the electric cabinet to damage an internal precise instrument while the electric cabinet dissipates heat, the dust is automatically cleaned while being prevented from being accumulated, the filter holes on the dust-proof plate are prevented from being blocked, the air inlet quantity of the electric cabinet is reduced, and the heat dissipation effect is poor.

Description

A shock-absorbing and heat-dissipating power cabinet for electric power engineering

Technical Field

The invention belongs to the technical field of electric power engineering, and in particular relates to a vibration-absorbing and heat-dissipating electric power cabinet used in electric power engineering.

Background technique

Power engineering refers to engineering related to the production, transmission and distribution of electric energy. In a broad sense, it also includes engineering that uses electricity as power and energy in various fields. At the same time, it can be understood as power transmission and transformation industry expansion engineering. Power cabinets are often used in power engineering. They are mainly important facilities of the power system. Their safe operation is related to the normal operation of various related power equipment.

A Chinese patent discloses a shock-absorbing and heat-dissipating power cabinet for electric power engineering (CN115149432A), which relates to the technical field of power cabinet devices. The shock-absorbing and heat-dissipating power cabinet for electric power engineering comprises a cabinet body and a waterproof platform, a mounting plate is fixedly connected to the middle and rear part of the inner side of the cabinet body, a plurality of second ventilation slots are equidistantly arranged on the mounting plate, a plurality of groups of threaded mounting holes are equidistantly arranged on the mounting plate, a box body is fixedly connected to the middle part of the rear end of the cabinet body, a plurality of heat-conducting plates are equidistantly fixedly connected to the inner rear end of the cabinet body, and the rear ends of the heat-conducting plates respectively penetrate the corresponding positions of the cabinet body and extend into the box body. Multiple heat-insulating materials are used to prevent the stable conduction in the external environment from entering the cabinet body, and the heat inside the cabinet body is dissipated by heat conduction and heat dissipation, and the impact force on the cabinet body is buffered by a multi-level buffer device, thereby ensuring the normal use of electricity in electric power engineering. Most of these power cabinets are suitable for outdoor use, so dust in the air will be sucked into the cabinet body during the heat dissipation process, which is easy to cause damage to the internal instruments. At the same time, dust will accumulate at the air inlet, reducing the air intake of the power cabinet, thereby reducing the heat dissipation effect of the power cabinet.

Summary of the invention

The purpose of the present invention is to solve the problem that dust accumulates at the air inlet of the power cabinet when the power cabinet dissipates heat, thereby affecting the air intake of the power cabinet, and to propose a shock-absorbing and heat-dissipating power cabinet for power engineering.

In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a shock-absorbing and heat-dissipating power cabinet for power engineering, comprising a cabinet body and a base, wherein the outer surface of the cabinet body is slidably connected to the inner wall of the shell cavity of the base, the outer surface of the cabinet body is provided with an air outlet, the side wall of the cabinet body is provided with a dust removal component, the inner wall of the cabinet body is provided with a bearing component, and the inner wall of the bottom surface of the base is provided with a shock-absorbing component;

The dust removal assembly includes a fixed cover, a limit plate and a dustproof plate. A rotating rod is rotatably mounted on the inner wall of the fixed cover, a first sprocket is fixedly mounted on the outer surface of the rotating rod, one end of the rotating rod extends to the outside of the side wall of the fixed cover and is fixedly mounted with a rotating disk, and a protrusion is fixedly mounted on the outer surface of the rotating disk.

Furthermore, fixed blocks are fixedly installed on both side walls of the dustproof plate, a connecting spring is fixedly installed on the lower surface of the fixed block, a groove is provided on the side wall of the limiting plate, and one end of the connecting spring is fixedly connected to the bottom inner wall of the groove.

Furthermore, a connecting plate is fixedly mounted on the lower surface of the dustproof plate, and the lower surface of the connecting plate contacts the outer surface of the rotating disk.

Furthermore, a mounting cover is fixedly mounted on the side wall of the cabinet, the upper surface of the fixed cover is fixedly connected to the lower surface of the mounting cover, and the side wall of the limiting plate is fixedly connected to the side wall of the mounting cover.

Furthermore, a driving motor is fixedly mounted on the inner side wall of the mounting cover, a driving rod is fixedly mounted on the output end of the driving motor, a second sprocket is fixedly mounted on the outer surface of the driving rod, and the second sprocket is connected to the first sprocket via a sprocket transmission.

Furthermore, fan blades are fixedly mounted on the outer surfaces of the driving rod and the rotating rod, and the directions of the fan blades are opposite.

Furthermore, the bearing assembly includes a bearing plate and a fixing plate, a side wall of the fixing plate is fixedly connected to an inner side wall of the cabinet, and a clamping block is fixedly mounted on the other side wall of the fixing plate.

Furthermore, limiting grooves are provided on both side walls of the bearing plate, a telescopic spring is fixedly installed on the inner wall of the limiting groove, a movable plate is fixedly installed on one end of the telescopic spring, the outer surface of the movable plate is slidably connected to the inner wall of the limiting groove, and a card slot is provided on the side wall of the movable plate, and the card slot is adapted to the size of the card block.

Furthermore, the shock-absorbing assembly includes a shock absorber and a slide rail, one end of the shock absorber is fixedly connected to the inner wall of the bottom surface of the base, a shock absorber spring is fixedly installed on the outer surface of the shock absorber, one end of the shock absorber passes through the inner wall of the shock absorber spring and is fixedly connected to the inner wall of the bottom surface of the cabinet.

Furthermore, the lower surface of the slide rail is fixedly connected to the inner wall of the bottom surface of the base, a shock-absorbing spring is fixedly installed on the inner wall of the slide rail, a sliding block is fixedly installed on one end of the shock-absorbing spring, the outer surface of the sliding block is slidably connected to the inner wall of the slide rail, a first mounting clamp is fixedly installed on the upper surface of the sliding block, a connecting rod is fixedly installed on the inner wall of the first mounting clamp via a rotating shaft, a second mounting clamp is fixedly installed on one end of the connecting rod via a rotating shaft, and the upper surface of the second mounting clamp is fixedly connected to the lower surface of the cabinet.

In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

1. In the present invention, by providing a dust removal assembly, the first sprocket will drive the rotating rod to rotate so that the fan blades on the rotating rod and the rotating disk rotate. Since the fan blades on the rotating rod are in opposite directions to the fan blades on the driving rod, the fan blades on the rotating rod will generate a blowing force when rotating. When the rotating disk rotates, the protrusions on the outer surface will be driven to rotate synchronously. Under the action of the protrusions, the connecting plate will drive the dustproof plate to move under the limit of the limit plate. When the protrusions contact the lower surface of the connecting plate, the dustproof plate moves upward, and the connecting spring is in a stretched state. When the protrusions After it is removed, the connecting spring will drive the dustproof plate to move down quickly through the fixed block. When the connecting plate collides with the rotating disk, the dustproof plate will vibrate, thereby shaking off the dust on the dustproof plate. Then, the blowing force generated by the rotation of the fan blades on the rotating rod will blow away the dust. It can dissipate heat for the power cabinet and at the same time prevent dust from entering the power cabinet and causing damage to the internal precision instruments. It can automatically clean the dust while preventing dust to prevent excessive dust accumulation from clogging the filter holes on the dustproof plate and reducing the air intake of the power cabinet, thus solving the problem of poor heat dissipation.

2. In the present invention, by providing a bearing assembly, the movable plates on both sides of the bearing plate are pinched toward the inner side of the limit groove, so that the slots on the movable plate are disengaged from the blocks, and then the bearing plate is removed from the fixed plate, and the distance between the bearing plates is adjusted according to the size of the electronic components to be placed in the cabinet. When the bearing plate is placed in a suitable position, the movable plate is first moved into the limit groove, and then the bearing plate is moved into the cabinet. When the slots on the movable plate are aligned with the blocks, the movable plate will move to both sides of the bearing plate under the action of the telescopic spring, thereby fixing the bearing plate and the fixed plate under the action of the blocks, and then fixing the electronic components on the bearing plate, which is convenient for adjusting the position of the bearing plate inside the power cabinet, thereby improving the space utilization inside the power cabinet.

3. In the present invention, by providing a shock-absorbing component, when the cabinet is transported or vibrates, the shock absorber and the shock-absorbing spring will reduce the vibration frequency of the cabinet, and at the same time the cabinet will drive the first mounting clamp to move through the connecting rod via the second mounting clamp. At this time, the first mounting clamp will drive the sliding block to move in the slide rail, and the sliding stroke of the sliding block will be slowed down under the action of the shock-absorbing spring, thereby further reducing the vibration frequency of the cabinet, reducing the vibration frequency of the power cabinet in transportation and other situations, further protecting the internal instruments of the power cabinet, reducing the probability of damage to the internal instruments of the power cabinet, and reducing the failure rate of the power cabinet.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the three-dimensional structure of a shock-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 2 is a schematic diagram of the internal structure of a vibration-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 3 is a schematic diagram of the enlarged structure of point A in FIG. 2 in a vibration-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 4 is a schematic diagram of the exploded structure of a load-bearing component in a vibration-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 5 is a schematic diagram of the exploded structure of a dust removal component in a shock-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 6 is a schematic diagram of the enlarged structure of point B in FIG. 5 in a vibration-absorbing and heat-dissipating power cabinet used in power engineering.

FIG. 7 is a schematic diagram of the internal structure of a cabinet in a vibration-absorbing and heat-dissipating power cabinet used in power engineering.

illustration:

1. Cabinet; 2. Base; 3. Load-bearing assembly; 31. Load-bearing plate; 32. Limiting groove; 33. Telescopic spring; 34. Movable plate; 35. Slot; 36. Fixed plate; 37. Block; 4. Shock-absorbing assembly; 41. Shock absorber; 42. Shock-absorbing spring; 43. Slide rail; 44. Shock-absorbing spring; 45. Sliding block; 46. First mounting clamp; 47. Connecting rod; 48. Second mounting clamp; 5. Dust removal assembly; 51. Fixed cover; 52. Rotating rod; 53. First sprocket; 54. Limiting plate; 55. Dustproof plate; 56. Connecting plate; 57. Rotating disk; 58. Bump; 59. Fixed block; 510. Connecting spring; 6. Mounting cover; 7. Driving motor; 8. Driving rod; 9. Fan blade; 10. Second sprocket.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

Referring to Fig. 1-7, a shock-absorbing and heat-dissipating power cabinet for power engineering includes a cabinet body 1 and a base 2, wherein the outer surface of the cabinet body 1 is slidably connected to the inner wall of the shell cavity of the base 2, an air outlet is provided on the outer surface of the cabinet body 1, a dust removal component 5 is provided on the side wall of the cabinet body 1, a bearing component 3 is provided on the inner wall of the cabinet body 1, and a shock-absorbing component 4 is provided on the inner wall of the bottom surface of the base 2;

The dust removal assembly 5 includes a fixed cover 51, a limit plate 54 and a dustproof plate 55. A rotating rod 52 is rotatably mounted on the inner side wall of the fixed cover 51, and a first sprocket wheel 53 is fixedly mounted on the outer surface of the rotating rod 52. One end of the rotating rod 52 extends to the outside of the side wall of the fixed cover 51 and is fixedly mounted with a rotating disk 57. A protrusion 58 is fixedly mounted on the outer surface of the rotating disk 57. Fixed blocks 59 are fixedly mounted on both side walls of the dustproof plate 55. A connecting spring 510 is fixedly mounted on the lower surface of the fixed block 59. A groove is provided on the side wall of the limit plate 54. One end of the connecting spring 510 is fixedly connected to the inner wall of the bottom surface of the groove. The lower surface of the dustproof plate 55 A connecting plate 56 is fixedly installed, and the lower surface of the connecting plate 56 contacts the outer surface of the rotating disk 57. A mounting cover 6 is fixedly installed on the side wall of the cabinet 1. The upper surface of the fixed cover 51 is fixedly connected to the lower surface of the mounting cover 6. The side wall of the limiting plate 54 is fixedly connected to the side wall of the mounting cover 6. A driving motor 7 is fixedly installed on the inner wall of the mounting cover 6. A driving rod 8 is fixedly installed on the output end of the driving motor 7. A second sprocket wheel 10 is fixedly installed on the outer surface of the driving rod 8. The second sprocket wheel 10 is connected to the first sprocket wheel 53 through a sprocket chain transmission. Fan blades 9 are fixedly installed on the outer surfaces of the driving rod 8 and the rotating rod 52, and the directions of the fan blades 9 are opposite.

The specific implementation is as follows: the driving motor 7 in the installation cover 6 drives the driving rod 8 to rotate. At this time, the driving rod 8 rotates with the second sprocket 10 and the fan blades 9. The fan blades 9 will suck the outside air into the cabinet 1 when rotating, and the hot air in the cabinet 1 will be discharged through the air outlet. When the second sprocket 10 rotates, it will drive the first sprocket 53 to rotate through the tooth chain. At this time, the first sprocket 53 will drive the rotating rod 52 to rotate, so that the fan blades 9 and the rotating disk 57 on the rotating rod 52 rotate. Since the fan blades 9 on the rotating rod 52 are in opposite directions to the fan blades 9 on the driving rod 8, the fan blades 9 on the rotating rod 52 will generate blowing force when rotating. When the rotating disk 57 rotates, the protrusion 58 on the outer surface will be driven to rotate synchronously. Under the action of the protrusion 58, the connecting plate 56 will drive the dustproof plate 55 to move under the limit of the limit plate 54. When the protrusion 58 contacts the lower surface of the connecting plate 56, the dustproof plate 55 moves upward, and the connecting spring 510 is in a stretched state. When the protrusion 58 is removed, the connecting spring 510 will drive the dustproof plate 55 to move downward quickly through the fixed block 59. When the connecting plate 56 collides with the rotating disk 57, the dustproof plate 55 will vibrate, thereby shaking off the dust on the dustproof plate 55, and then the dust will be blown away by the blowing force generated by the rotation of the fan blades 9 on the rotating rod 52.

The bearing assembly 3 includes a bearing plate 31 and a fixed plate 36. The side wall of the fixed plate 36 is fixedly connected to the inner wall of the cabinet 1. A clamping block 37 is fixedly installed on the other side wall of the fixed plate 36. Limiting grooves 32 are provided on both side walls of the bearing plate 31. A telescopic spring 33 is fixedly installed on the inner wall of the limiting groove 32. A movable plate 34 is fixedly installed on one end of the telescopic spring 33. The outer surface of the movable plate 34 is slidably connected to the inner wall of the limiting groove 32. A clamping groove 35 is provided on the side wall of the movable plate 34. The size of the clamping groove 35 and the clamping block 37 are adapted.

The specific implementation method is as follows: the movable plates 34 on both sides of the carrier plate 31 are pinched toward the inner side of the limit groove 32 to disengage the slots 35 on the movable plates 34 from the blocks 37, and then the carrier plate 31 is removed from the fixed plate 36, and the distance between the carrier plates 31 is adjusted according to the size of the electronic components to be placed in the cabinet 1 as needed. When the carrier plate 31 is placed in a suitable position, the movable plate 34 is first moved into the limit groove 32, and then the carrier plate 31 is moved into the cabinet 1. When the slots 35 on the movable plate 34 are aligned with the blocks 37, the movable plate 34 will move to both sides of the carrier plate 31 under the action of the telescopic spring 33, thereby fixing the carrier plate 31 and the fixed plate 36 under the action of the blocks 37, and then fixing the electronic components on the carrier plate 31.

The shock absorbing assembly 4 includes a shock absorber 41 and a slide rail 43, one end of the shock absorber 41 is fixedly connected to the inner wall of the bottom surface of the base 2, a shock absorbing spring 42 is fixedly installed on the outer surface of the shock absorber 41, one end of the shock absorber 41 passes through the inner wall of the shock absorbing spring 42 and is fixedly connected to the inner wall of the bottom surface of the cabinet 1, the lower surface of the slide rail 43 is fixedly connected to the inner wall of the bottom surface of the base 2, a shock absorbing spring 44 is fixedly installed on the inner side wall of the slide rail 43, one end of the shock absorbing spring 44 is fixedly installed with a sliding block 45, the outer surface of the sliding block 45 is slidably connected to the inner wall of the slide rail 43, the upper surface of the sliding block 45 is fixedly installed with a first mounting clip 46, a connecting rod 47 is fixedly installed on the inner wall of the first mounting clip 46 through a rotating shaft, one end of the connecting rod 47 is fixedly installed with a second mounting clip 48 through a rotating shaft, and the upper surface of the second mounting clip 48 is fixedly connected to the lower surface of the cabinet 1.

The specific implementation example is as follows: when the cabinet 1 is moved or vibrates, the shock absorber 41 and the shock absorbing spring 42 will reduce the vibration frequency of the cabinet 1. At the same time, the cabinet 1 will drive the first mounting clamp 46 to move through the connecting rod 47 via the second mounting clamp 48. At this time, the first mounting clamp 46 will drive the sliding block 45 to move in the sliding rail 43. Under the action of the shock absorbing spring 44, the sliding stroke of the sliding block 45 will be slowed down, thereby further reducing the vibration frequency of the cabinet 1.

Working principle: Pinch the movable plates 34 on both sides of the carrier plate 31 toward the inner side of the limit groove 32 to disengage the slot 35 on the movable plate 34 from the block 37, then remove the carrier plate 31 from the fixed plate 36, and adjust the distance between the carrier plates 31 according to the size of the electronic components to be placed in the cabinet 1. When the carrier plate 31 is placed in a suitable position, first move the movable plate 34 into the limit groove 32, and then move the carrier plate 31 into the cabinet 1. When the slot 35 on the movable plate 34 is aligned with the block 37, the movable plate 34 will move to both sides of the carrier plate 31 under the action of the telescopic spring 33, thereby 7, the carrying plate 31 and the fixing plate 36 are fixed, and then the electronic components are fixed on the carrying plate 31. During the operation of the electronic components in the cabinet 1, the driving motor 7 in the mounting cover 6 drives the driving rod 8 to rotate. At this time, the driving rod 8 rotates the second toothed sprocket 10 and the fan blades 9. When the fan blades 9 rotate, the outside air is sucked into the cabinet 1, and the hot air in the cabinet 1 is discharged through the air outlet. When the second toothed sprocket 10 rotates, the first toothed sprocket 53 is driven to rotate through the toothed chain. At this time, the first toothed sprocket 53 drives the rotating rod 52 to rotate, so that the fan blades 9 on the rotating rod 52 and the rotating disk 57 rotate. When the rotating disk 57 rotates, since the fan blades 9 on the rotating rod 52 are in opposite directions to the fan blades 9 on the driving rod 8, the fan blades 9 on the rotating rod 52 will generate a blowing force when rotating. When the rotating disk 57 rotates, the protrusions 58 on the outer surface will be driven to rotate synchronously. Under the action of the protrusions 58, the connecting plate 56 will drive the dustproof plate 55 to move under the limit of the limit plate 54. When the protrusions 58 contact the lower surface of the connecting plate 56, the dustproof plate 55 moves upward, and the connecting spring 510 is in a stretched state. When the protrusions 58 are removed, the connecting spring 510 will drive the dustproof plate 55 to move downward quickly through the fixing block 59. When the connecting plate 56 and the rotating disk 5 7 After the collision, the dustproof plate 55 will vibrate, thereby shaking off the dust on the dustproof plate 55, and then the dust will be blown away by the blowing force generated by the rotation of the fan blades 9 on the rotating rod 52. When the cabinet 1 is moved or the cabinet 1 vibrates, the shock absorber 41 and the shock-absorbing spring 42 will reduce the vibration frequency of the cabinet 1. At the same time, the cabinet 1 will drive the first mounting clamp 46 to move through the connecting rod 47 through the second mounting clamp 48. At this time, the first mounting clamp 46 will drive the sliding block 45 to move in the sliding rail 43. Under the action of the shock-absorbing spring 44, the sliding stroke of the sliding block 45 will be slowed down, further reducing the vibration frequency of the cabinet 1.

Claims (3)

1. A shock-absorbing and heat-dissipating power cabinet for power engineering, comprising a cabinet body (1) and a base (2), wherein the outer surface of the cabinet body (1) is slidably connected to the inner wall of the shell cavity of the base (2), and the outer surface of the cabinet body (1) is provided with an air outlet, characterized in that: a dust removal component (5) is provided on the side wall of the cabinet body (1), a bearing component (3) is provided on the inner wall of the cabinet body (1), and a shock-absorbing component (4) is provided on the inner wall of the bottom surface of the base (2); The dust removal assembly (5) comprises a fixed cover (51), a limit plate (54) and a dustproof plate (55); a rotating rod (52) is rotatably mounted on the inner side wall of the fixed cover (51); a first sprocket wheel (53) is fixedly mounted on the outer surface of the rotating rod (52); one end of the rotating rod (52) extends outside the side wall of the fixed cover (51) and is fixedly mounted with a rotating disk (57); a protrusion (58) is fixedly mounted on the outer surface of the rotating disk (57); A fixing block (59) is fixedly mounted on both side walls of the dustproof plate (55), a connecting spring (510) is fixedly mounted on the lower surface of the fixing block (59), a groove is provided on the side wall of the limiting plate (54), and one end of the connecting spring (510) is fixedly connected to the bottom inner wall of the groove; A connecting plate (56) is fixedly mounted on the lower surface of the dustproof plate (55), and the lower surface of the connecting plate (56) is in contact with the outer surface of the rotating disk (57); A mounting cover (6) is fixedly mounted on the side wall of the cabinet (1), an upper surface of the fixed cover (51) is fixedly connected to a lower surface of the mounting cover (6), and a side wall of the limiting plate (54) is fixedly connected to a side wall of the mounting cover (6); A driving motor (7) is fixedly mounted on the inner side wall of the mounting cover (6); a driving rod (8) is fixedly mounted on the output end of the driving motor (7); a second sprocket wheel (10) is fixedly mounted on the outer surface of the driving rod (8); and the second sprocket wheel (10) is connected to the first sprocket wheel (53) via a sprocket transmission; The driving rod (8) and the rotating rod (52) are both fixedly mounted with fan blades (9) on their outer surfaces, and the directions of the fan blades (9) are opposite; The bearing assembly (3) comprises a bearing plate (31) and a fixing plate (36); a side wall of the fixing plate (36) is fixedly connected to an inner side wall of the cabinet (1); and a clamping block (37) is fixedly mounted on the other side wall of the fixing plate (36); The two side walls of the bearing plate (31) are both provided with limit grooves (32), a telescopic spring (33) is fixedly mounted on the inner wall of the limit groove (32), a movable plate (34) is fixedly mounted on one end of the telescopic spring (33), the outer surface of the movable plate (34) is slidably connected to the inner side wall of the limit groove (32), and a clamping groove (35) is provided on the side wall of the movable plate (34), and the size of the clamping groove (35) and the clamping block (37) are adapted to each other. 2. A shock-absorbing and heat-dissipating power cabinet for power engineering according to claim 1, characterized in that the shock-absorbing component (4) comprises a shock absorber (41) and a slide rail (43), one end of the shock absorber (41) is fixedly connected to the inner wall of the bottom surface of the base (2), a shock-absorbing spring (42) is fixedly installed on the outer surface of the shock absorber (41), one end of the shock absorber (41) passes through the inner wall of the shock-absorbing spring (42) and is fixedly connected to the inner wall of the bottom surface of the cabinet (1). 3. A shock-absorbing and heat-dissipating power cabinet for power engineering according to claim 2, characterized in that the lower surface of the slide rail (43) is fixedly connected to the inner wall of the bottom surface of the base (2), a shock-absorbing spring (44) is fixedly installed on the inner wall of the slide rail (43), one end of the shock-absorbing spring (44) is fixedly installed with a sliding block (45), the outer surface of the sliding block (45) is slidably connected to the inner wall of the slide rail (43), the upper surface of the sliding block (45) is fixedly installed with a first mounting clamp (46), a connecting rod (47) is fixedly installed on the inner wall of the first mounting clamp (46) via a rotating shaft, one end of the connecting rod (47) is fixedly installed with a second mounting clamp (48) via a rotating shaft, and the upper surface of the second mounting clamp (48) is fixedly connected to the lower surface of the cabinet body (1).