CN219115182U - Compressor support - Google Patents

Abstract

The utility model provides a compressor bracket which comprises an upper supporting plate, a middle supporting plate and a lower supporting plate which are sequentially arranged from top to bottom, wherein a space is reserved between the middle supporting plate and the upper supporting plate as well as between the middle supporting plate and the lower supporting plate, the middle supporting plate is connected with the upper supporting plate through a plurality of upper vibration reduction elastic elements, and the middle supporting plate is connected with the lower supporting plate through a plurality of lower vibration reduction elastic elements. The utility model is provided with the upper support plate, the middle support plate and the lower support plate, the middle support plate is connected with the upper support plate through a plurality of upper vibration reduction elastic elements, and the middle support plate is connected with the lower support plate through a plurality of lower vibration reduction elastic elements, so that a 3+2 five-layer structure is formed, double-layer vibration isolation is designed, the vibration isolation quantity of the system is more than or equal to 20dB, the second-level vibration isolation rigid body mode of the bracket mode is more than or equal to 200HZ, and the vibration and noise from the inside and the outside are effectively resolved in the working process of the whole bracket assembly.

Description

Compressor support

Technical Field

The utility model relates to the technical field of compressors, in particular to a compressor bracket.

Background

With the rapid development of battery technology in recent years, the technology of electric automobiles is also continuously developed and matured, users put forward higher requirements on the electric automobiles on the basis of using fuel automobiles, and meanwhile, the attention points of the users on the automobiles are slowly transferred to the problems of professional vibration reduction, noise and the like from the appearance, the space and the like. In order to meet the requirements of users, the problems are required to be fully considered when the automobile parts are designed, the vibration reduction effect is good, the noise is low, and the automobile driving comfort is better. On an electric automobile without an engine, the noise of an air conditioner compressor is particularly prominent, the air conditioner compressor is arranged at the front end of a frame through a compressor support, vibration generated in the working process of the compressor is transmitted to the frame through the compressor support and then transmitted to a cockpit through the frame, and the whole automobile is influenced, so that the compressor support is required to bear the self weight of the compressor, and meanwhile, the compressor support is required to absorb the vibration and the noise from the compressor and reduce the impact vibration damage of a road surface to the compressor through the frame in the working process of the compressor.

However, the existing compressor support mostly adopts a single-layer direct-mounting support structure, such as an air conditioner compressor support disclosed in a patent document with a publication number of CN108317069B, and the support only plays a role in assisting in mounting and fixing a compressor, and cannot meet the vibration and noise reduction requirements of the compressor in the working process.

Disclosure of Invention

Based on the technical problems in the background technology, the utility model provides a compressor bracket.

The utility model provides a compressor bracket which comprises an upper supporting plate, a middle supporting plate and a lower supporting plate which are sequentially arranged from top to bottom, wherein a space is reserved between the middle supporting plate and the upper supporting plate as well as between the middle supporting plate and the lower supporting plate, the middle supporting plate is connected with the upper supporting plate through a plurality of upper vibration reduction elastic elements, and the middle supporting plate is connected with the lower supporting plate through a plurality of lower vibration reduction elastic elements.

In a preferred embodiment of the present utility model, the upper vibration damping elastic element includes a first rubber body and first connecting frames connected to two sides of the first rubber body, and the two first connecting frames are respectively connected to the middle support plate and the upper support plate.

In a preferred embodiment of the present utility model, the first rubber body is cylindrical, and a plurality of first reinforcing ribs are circumferentially arranged on the first rubber body, and the first rubber body is made of natural rubber with a hardness of 40±5 shore a.

In a preferred embodiment of the present utility model, the first connection frame includes a first metal framework and a first bolt, the first metal framework has a square structure, the first metal framework is connected with the first rubber body, the first metal framework is provided with a first connection portion embedded into the first rubber body, one side of the first metal framework far away from the first rubber body is provided with a first rotation preventing block, and the first rotation preventing block is connected with the first bolt; the middle support plate and the upper support plate are respectively provided with a first mounting hole matched with the first bolt, the first bolt passes through the first mounting holes and then is connected with the first nut, and the first anti-rotation block is clamped in the first mounting holes.

In a preferred embodiment of the present utility model, the lower vibration damping elastic element includes a second rubber body and second connecting frames connected to two sides of the second rubber body, and the two second connecting frames are respectively connected to the middle support plate and the lower support plate.

In a preferred embodiment of the present utility model, the second rubber body is cylindrical, and a plurality of second reinforcing ribs are circumferentially arranged on the second rubber body, and the second rubber body is made of natural rubber with a hardness of 40±5 shore a.

In a preferred embodiment of the present utility model, the second connecting frame includes a second metal framework and a second bolt, the second metal framework has a square structure, the second metal framework is connected with the second rubber body, the second metal framework is provided with a second connecting portion embedded into the second rubber body, one side of the second metal framework away from the second rubber body is provided with a second anti-rotation block, and the second anti-rotation block is connected with the second bolt; and the middle support plate and the lower support plate are respectively provided with a second mounting hole matched with the second bolt, the second bolt passes through the second mounting holes and then is connected with a second nut, and the second anti-rotation block is clamped in the second mounting holes.

In a preferred embodiment of the utility model, the static stiffness of the upper vibration reduction elastic element and the lower vibration reduction elastic element is smaller than 80N/mm, and the dynamic stiffness is smaller than 110N/mm.

In a preferred embodiment of the present utility model, the dynamic-static stiffness ratio of the upper vibration damping elastic element and the lower vibration damping elastic element is 1.1-1.5.

In a preferred embodiment of the utility model, the upper support plate is in an L-shaped structure, the edge of the upper support plate is turned towards the inner side of the upper support plate to form a turned edge, one side of the turned edge is connected with the side support plate, and a plurality of third mounting holes for mounting the compressor are formed in the turned edge and the side support plate.

In a preferred embodiment of the utility model, the lower support plate comprises a first plate, a second plate and a third plate, wherein the second plate and the third plate are connected with the top end of the first plate, both ends of the second plate and the third plate tilt towards one side far away from the first plate to form a first inner buckling edge, the first inner buckling edge at one end of the second plate and one end of the third plate are provided with a third connecting part perpendicular to the first plate, and a plurality of fourth mounting holes for connecting with the frame are formed on one side, close to the third connecting part, of the first plate and on the third connecting part; the first inner buckling edges of the second plate and the third plate are connected with the middle supporting plate through the lower vibration reduction elastic element.

In a preferred embodiment of the utility model, four corners of the middle supporting plate are tilted towards one side far away from the lower supporting plate to form a second inner buckling edge, the edge of the middle supporting plate is turned towards the inner side to form a flanging, the second inner buckling edge is connected with the first inner buckling edge through the lower vibration reduction elastic element, the second inner buckling edge is arranged in one-to-one correspondence with the first inner buckling edge, and the inclination angle of the second inner buckling edge is matched with the inclination angle of the first inner buckling edge.

The utility model provides a compressor support, which is provided with an upper support plate, a middle support plate and a lower support plate, wherein the middle support plate is connected with the upper support plate through a plurality of upper vibration reduction elastic elements, and the middle support plate is connected with the lower support plate through a plurality of lower vibration reduction elastic elements, so that a 3+2 five-layer structure is formed, a double-layer vibration isolation is designed, a compressor is arranged on the compressor support, a compressor support assembly is fixed on a frame, the compressor support can absorb vibration and noise from the compressor in the working process of the compressor while bearing the self weight of the compressor, and meanwhile, the influence of the frame to the compressor in the running process of an automobile is also solved, the system vibration isolation amount of the automobile is more than or equal to 20dB in the normal running process of the automobile, and the mode of a second-level vibration isolation rigid body of the support is more than or equal to 200HZ; the compressor bracket not only assists in fixing the compressor and protecting the compressor, but also can play a role in bidirectional vibration reduction and noise reduction.

In the utility model, the static rigidity of the upper vibration reduction elastic element and the lower vibration reduction elastic element is smaller than 80N/mm, the dynamic rigidity is smaller than 110N/mm, the dynamic rigidity ratio of the upper vibration reduction elastic element and the lower vibration reduction elastic element is effectively controlled, the dynamic rigidity ratio of the upper vibration reduction elastic element and the lower vibration reduction elastic element is 1.3, the optimal vibration reduction effect can be achieved, the air conditioner compressor can stably work for a long time, and the vibration and noise generated in the motion process of an automobile and the normal work of the compressor can be effectively reduced.

In the upper vibration reduction elastic element, an upper first connecting frame and a lower first connecting frame are connected through a first rubber body formed by middle natural rubber; in the lower vibration reduction elastic element, an upper second connecting frame and a lower second connecting frame are connected through a second rubber body formed by middle natural rubber; the device effectively controls the dynamic and static stiffness ratio of the upper vibration reduction elastic element and the lower vibration reduction elastic element, and ensures that the whole bracket assembly effectively solves vibration and noise from the inside and the outside in the working process.

In the utility model, the shape and the mounting hole positions of the compressor are combined, the upper support plate is designed with four side support plates to form a semi-wrapping structure, the four side support plates are wrapped outside the compressor, the four third mounting holes are fixedly connected with the compressor through bolts, and the four third mounting holes are connected with the compressor effectively through four points, so that the compressor is fixed and simultaneously the protection effect is also realized.

In the utility model, the middle support plate is connected with the upper support plate through the upper vibration reduction elastic element, and is connected with the lower support plate through the lower vibration reduction elastic element to form the core part of the whole support, thus playing a role in supporting the whole support assembly up and down.

In the utility model, the 6 fourth mounting holes d connected with the vehicle body of the lower support plate are designed at the two sides of the lower support plate, so that the accumulated errors of the mounting holes can be effectively reduced, the gravity center of the whole support is gathered in the product, the support can be well balanced, and the bidirectional fixing stability is better.

Drawings

FIG. 1 is a schematic view of a compressor rack according to the present utility model;

FIG. 2 is a schematic diagram of an upper vibration damping elastic element in a compressor bracket according to the present utility model;

FIG. 3 is a cross-sectional view of an upper vibration damping resilient element in a compressor rack according to the present utility model;

FIG. 4 is a schematic view of a lower vibration damping elastic element in a compressor bracket according to the present utility model;

FIG. 5 is a cross-sectional view of a lower vibration damping spring element in a compressor rack according to the present utility model;

FIG. 6 is a schematic view of the structure of an upper support plate in a compressor rack according to the present utility model;

FIG. 7 is a schematic view of a middle support plate in a compressor rack according to the present utility model;

fig. 8 is a schematic view of a lower support plate in a compressor bracket according to the present utility model.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present utility model can be understood in detail, a more particular description of the utility model, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Referring to fig. 1 to 8, the present utility model provides a compressor bracket, which comprises an upper support plate 100, a middle support plate 200, and a lower support plate 300 sequentially arranged from top to bottom, wherein a space is reserved between the middle support plate 200 and the upper support plate 100, and between the middle support plate 200 and the lower support plate 300, the middle support plate 200 is connected with the upper support plate 100 through a plurality of upper vibration damping elastic elements 400, and the middle support plate 200 is connected with the lower support plate 300 through a plurality of lower vibration damping elastic elements 500.

The embodiment forms a 3+2 five-layer structure, and double-layer vibration isolation is designed to realize that the vibration isolation amount of the system is more than or equal to 20dB and the second-level vibration isolation rigid body mode of the bracket mode is more than or equal to 200HZ.

Specifically, the static stiffness of the upper vibration reduction elastic element 400 and the lower vibration reduction elastic element 500 is smaller than 80N/mm, the dynamic stiffness is smaller than 110N/mm, and the dynamic-static stiffness ratio of the upper vibration reduction elastic element 400 and the lower vibration reduction elastic element 500 is effectively controlled; the dynamic and static stiffness ratio of the upper vibration reduction elastic element 400 and the lower vibration reduction elastic element 500 is 1.3, so that the optimal vibration reduction effect can be achieved, the air conditioner compressor can work stably for a long time, and vibration and noise generated in the automobile movement process and normal operation of the compressor can be effectively reduced.

Referring to fig. 1-3, in some embodiments, the upper vibration damping elastic element 400 includes a first rubber body 410 and first connecting frames 420 connected to two sides of the first rubber body 410, and the two first connecting frames 420 are respectively connected to the middle support plate 200 and the upper support plate 100:

wherein: the first rubber body 410 is cylindrical and a plurality of first reinforcing ribs 411 are arranged on the periphery of the first rubber body 410, the first rubber body 410 is made of natural rubber with the hardness of 40+/-5 Shore A, and the axial dynamic stiffness of the upper vibration reduction elastic element 400 is effectively adjusted to be about 110N/mm+/-15%, and the static stiffness is effectively adjusted: less than 80N/mm; creep of rubber is realized for 500 hours, and the creep amount is less than or equal to 1.0 x static load displacement; the change rate of the suspension static rigidity and 25HZ dynamic rigidity is less than or equal to 30 percent; low temperature performance: the static rigidity of the product is less than or equal to 30 percent at 25HZ dynamic rigidity change rate after 12 hours at the temperature of 25 ℃ below zero; fatigue durability: the frequency is 5Hz; the rubber material is not cracked after 100 ten thousand times; the rigidity characteristic change of the rubber material is less than 30%;

the first connecting frame 420 comprises a first metal framework 421 and a first bolt 422, the first metal framework 421 is in a square structure, the first metal framework 421 is connected with the first rubber body 410, the first metal framework 421 is provided with a first connecting part 4211 embedded into the first rubber body 410, one side of the first metal framework 421 far away from the first rubber body 410 is provided with a first rotation preventing block 4212, and the first rotation preventing block 4212 is connected with the first bolt 422; the middle support plate 200 and the upper support plate 100 are respectively provided with a first mounting hole a matched with the first bolt 422, the first bolt 422 passes through the first mounting holes a and then is connected with the first nut 423, and the first anti-rotation block 4212 is clamped in the first mounting holes a;

in the upper vibration reduction elastic element 400, the upper and lower first connecting frames 420 are connected through the first rubber body 410 formed by the middle natural rubber, so that the dynamic-static stiffness ratio of the upper vibration reduction elastic element 400 is effectively controlled, and the vibration and noise from the inside and the outside are effectively solved in the working process of the whole bracket assembly; the first metal framework 421 is provided with a first rotation preventing block 4212, wherein the first rotation preventing block 4212 is provided with a square structure, a first mounting hole a is provided with a square hole matched with the first rotation preventing block 4212, when the first rotation preventing block 4212 is assembled, an upper first vibration reduction elastic element 400 and a lower first rotation preventing block 4212 are respectively embedded in the first mounting holes a of the upper support plate 100 and the middle support plate 200, and two first bolts 422 are respectively fixedly connected with the upper support plate 100 and the middle support plate 200 through first nuts 423; the arrangement of the first anti-rotation block 4212 and the square first mounting hole a increases the stability between the upper vibration reduction elastic element 400 and the upper support plate and the middle support plate, and can control the dynamic and static stiffness ratio of the upper vibration reduction elastic element 400 while being effectively and fixedly assembled.

In some embodiments, the number of the upper vibration damping elastic elements is 4, and the upper support plate 100 and the middle support plate 200 are provided with 4 square first mounting holes a.

Referring to fig. 1, 4 and 5, in some embodiments, the lower vibration damping elastic element 500 includes a second rubber body 510 and second connection frames 520 connected to both sides of the second rubber body 510, and the two second connection frames 520 are respectively connected to the middle support plate 200 and the lower support plate 300;

wherein: the second rubber body 510 is cylindrical, a plurality of second reinforcing ribs 511 are arranged on the periphery of the second rubber body 510, the second rubber body 510 is made of natural rubber with the hardness of 40+/-5 Shore A, and the axial dynamic stiffness of the upper vibration reduction elastic element 400 can be effectively adjusted to be about 110N/mm+/-15%, and the static stiffness is as follows: less than 80N/mm; creep of rubber is realized for 500 hours, and the creep amount is less than or equal to 1.0 x static load displacement; the change rate of the suspension static rigidity and 25HZ dynamic rigidity is less than or equal to 30 percent; low temperature performance: the static rigidity of the product is less than or equal to 30 percent at 25HZ dynamic rigidity change rate after 12 hours at the temperature of 25 ℃ below zero; fatigue durability: the frequency is 5Hz; the rubber material is not cracked after 100 ten thousand times; the rigidity characteristic change of the rubber material is less than 30%;

wherein: the second connecting frame 520 includes a second metal skeleton 521 and a second bolt 522, the second metal skeleton 521 is in a square structure, the second metal skeleton 521 is connected with the second rubber body 510, the second metal skeleton 521 is provided with a second connecting portion 5211 embedded in the second rubber body 510, one side of the second metal skeleton 521, which is far away from the second rubber body 510, is provided with a second rotation preventing block 5212, and the second rotation preventing block 5212 is connected with the second bolt 522; the middle support plate 200 and the lower support plate 300 are respectively provided with a second mounting hole b matched with the second bolt 522, the second bolt 522 passes through the second mounting holes b and then is connected with the second nut 523, and the second anti-rotation block 5212 is clamped in the second mounting holes b;

in the lower vibration-damping elastic element 500, the upper and lower second connecting frames 520 are connected through the second rubber body 510 formed by the middle natural rubber, so that the dynamic-static stiffness ratio of the upper vibration-damping elastic element 400 is effectively controlled, and the vibration and noise from the inside and the outside are effectively solved in the working process of the whole bracket assembly; the second metal skeleton 521 is provided with a second rotation preventing block 5212, wherein the second rotation preventing block 5212 is provided with a square structure, the second mounting hole b is provided with a square hole matched with the second rotation preventing block 5212, when the second rotation preventing block 5212 is assembled, the upper and lower second rotation preventing blocks 5212 of the lower vibration damping elastic element 500 are respectively embedded in the second mounting holes b of the middle support plate 200 and the lower support plate 300, and the two second bolts 522 are respectively fixedly connected with the middle support plate 200 and the lower support plate 300 through the second nuts 523; the arrangement of the second anti-rotation block 5212 and the square second mounting hole b increases the stability between the lower vibration damping elastic element 500 and the middle support plate 200 and the lower support plate 300, and can control the dynamic and static stiffness ratio of the lower vibration damping elastic element 500 while effectively fixing and assembling.

In some embodiments, the number of the lower vibration damping elastic elements 500 is 4, and the middle support plate 200 and the lower support plate 300 are provided with 4 square second mounting holes b.

Referring to fig. 1 and 6, in some embodiments, the edge of the upper support plate 100 is turned upwards to form a first turned edge, 4 side support plates 110 for installing the compressor are arranged on the first turned edge, and third installation holes c are formed in the side support plates 110 and are correspondingly arranged in pairs;

the upper supporting plate 100 is combined with the shape and the mounting hole of the compressor, is designed into a semi-wrapping structure, the compressor is fixed through the lengthened bolts by four third mounting holes c, the compressor is effectively fixed through four-point connection by wrapping the four side supporting plates 110 outside the compressor, and the compressor is also protected while being fixed.

Referring to fig. 1 and 7, in some embodiments, the edges of the middle support plate 200 are turned upwards to form a second flanging, and are connected with the upper support plate 100 through four upper vibration damping elastic elements 400 and connected with the lower support plate 300 through four lower vibration damping elastic elements 500, so as to form a core part of the whole support, and play a role in supporting the whole support assembly.

Referring to fig. 1 and 8, in some embodiments, two third connection portions 310 protruding upward are provided on the lower support plate 300, two second mounting holes b are provided on each of the two third connection portions 310, 3 fourth mounting holes d for connecting with the frame are provided on the lower support plate 300 at positions on one side of the two third connection portions 310 away from each other, and 6 fourth mounting holes d are provided in total;

6 fourth mounting holes d on the compressor support are fixed on the automobile front frame through bolts, 6 fourth mounting holes d are evenly distributed at two sides of the lower support plate 300, accumulated errors of mounting hole positions can be effectively reduced, and meanwhile, the bidirectional fixing stability is better.

In this embodiment, the upper support plate 100, the middle support plate 200 and the lower support plate 300 are made of the same automobile structural steel SAPH440, and have a yield strength of not less than 305Mpa, a tensile strength of not less than 440Mpa and an elongation of not less than 34.

The compressor bracket assembly of the utility model applies 5g load in X/Y/Z direction, the frequency is 10-15HZ, after 20 ten thousand times, the bracket sheet metal part has no crack after test, and the deformation increment under test load is not more than 1.5mm.

The utility model realizes a 3+2 five-layer compressor support assembly structure, and the accuracy of the size of the rubber cushion elastic element can be ensured by mold molding; through the design of the double-layer vibration isolation structure, the vibration isolation amount of the system is more than or equal to 20dB, the second-level vibration isolation rigid body mode of the bracket mode is more than or equal to 200HZ, the vibration reduction and noise reduction effects of the whole automobile are effectively improved in the running process of the automobile, and the vibration isolation and noise reduction device has outstanding advantages.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The utility model provides a compressor support, its characterized in that includes upper supporting plate (100), well backup pad (200), lower backup pad (300) that from the top down arranged in proper order, all leaves the interval between well backup pad (200) and upper supporting plate (100), lower backup pad (300), and well backup pad (200) are connected with upper supporting plate (100) through a plurality of upper vibration damping elastic element (400) and well backup pad (200) are connected with lower backup pad (300) through a plurality of lower vibration damping elastic element (500).

2. The compressor rack according to claim 1, wherein the upper vibration damping elastic element (400) comprises a first rubber body (410) and first connecting frames (420) connected to both sides of the first rubber body (410), and the two first connecting frames (420) are respectively connected to the middle support plate (200) and the upper support plate (100).

3. The compressor rack according to claim 2, wherein the first rubber body (410) is cylindrical and a plurality of first reinforcing ribs (411) are provided on the outer circumference of the first rubber body (410); the first connecting frame (420) comprises a first metal framework (421) and a first bolt (422), the first metal framework (421) is of a square structure, the first metal framework (421) is connected with the first rubber body (410), the first metal framework (421) is provided with a first connecting part (4211) embedded into the first rubber body (410), one side, far away from the first rubber body (410), of the first metal framework (421) is provided with a first rotation preventing block (4212), and the first rotation preventing block (4212) is connected with the first bolt (422); the middle support plate (200) and the upper support plate (100) are respectively provided with a first mounting hole (a) which is matched with the first rotation preventing block (4212), a first bolt (422) passes through the first mounting holes (a) and then is connected with a first nut (423), and the first rotation preventing block (4212) is clamped in the first mounting holes (a).

4. A compressor rack according to any one of claims 1-3, wherein the lower vibration damping elastic element (500) comprises a second rubber body (510) and second connection frames (520) connected to both sides of the second rubber body (510), the two second connection frames (520) being connected to the middle support plate (200) and the lower support plate (300), respectively.

5. The compressor rack according to claim 4, wherein the second rubber body (510) is cylindrical and a plurality of second reinforcing ribs (511) are provided on the outer circumference of the second rubber body (510); the second connecting frame (520) comprises a second metal framework (521) and a second bolt (522), the second metal framework (521) is in a square structure, the second metal framework (521) is connected with the second rubber body (510), the second metal framework (521) is provided with a second connecting part (5211) embedded in the second rubber body (510), one side, far away from the second rubber body (510), of the second metal framework (521) is provided with a second anti-rotation block (5212), and the second anti-rotation block (5212) is connected with the second bolt (522); and the middle support plate (200) and the lower support plate (300) are respectively provided with a second mounting hole (b) which is matched with the second anti-rotation block (5212), the second bolt (522) passes through the second mounting holes (b) and then is connected with the second nut (523), and the second anti-rotation block (5212) is clamped in the second mounting holes (b).

6. A compressor rack according to any one of claims 1-3, wherein the upper and lower vibration damping elastic elements have a static stiffness of less than 80N/mm and a dynamic stiffness of < 110N/mm.

7. The compressor rack of claim 6 wherein the upper and lower vibration damping elastic elements have a dynamic to static stiffness ratio of 1.1 to 1.5.

8. A compressor rack according to any one of claims 1-3, wherein the edges of the upper support plate (100) are turned upwards to form a first turned-over edge, a plurality of side support plates (110) are formed on the first turned-over edge, and third mounting holes (c) for mounting the compressor are formed in the side support plates (110).

9. A compressor rack according to any one of claims 1-3, wherein the edges of the intermediate support plate (200) are turned upwards to form the second flange.

10. A compressor rack according to any one of claims 1-3, wherein the lower support plate (300) is provided with two third connection parts (310) protruding upwards, the two third connection parts (310) are connected with the middle support plate (200) through the lower vibration damping elastic element (500), and the lower support plate (300) is provided with a plurality of fourth mounting holes (d) for connecting with the frame at positions on one side of the two third connection parts (310) away from each other.

Images