CN214662999U - Air spring vibration isolation foot pad structure with support protection device - Google Patents

Air spring vibration isolation foot pad structure with support protection device Download PDF

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Publication number
CN214662999U
CN214662999U CN202023264438.0U CN202023264438U CN214662999U CN 214662999 U CN214662999 U CN 214662999U CN 202023264438 U CN202023264438 U CN 202023264438U CN 214662999 U CN214662999 U CN 214662999U
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China
Prior art keywords
vibration isolation
foot pad
air spring
base
spring vibration
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Expired - Fee Related
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CN202023264438.0U
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Chinese (zh)
Inventor
张浩然
曾祥坤
吴劲
李洪硌
卓娟铃
刘仕辉
雷晓旋
张志建
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Guangdong Polytechnic Normal University
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Guangdong Polytechnic Normal University
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Priority to CN202023264438.0U priority Critical patent/CN214662999U/en
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Abstract

The utility model provides an air spring vibration isolation callus on sole structure with support protection device, it includes upper end plate, rubber leather bag, inside bearing structure, charging connector, base. The lower end of the base is closed, and the upper end of the base is opened; the upper end and the lower end of the rubber bag are both provided with openings; the rubber leather bag is bonded with the base and the upper end plate. The internal support structure acts to support and protect the rubber bladder in the event of a lack of inflation. The utility model discloses can the direct mount and use on vibration system, change its rigidity through adjusting inside atmospheric pressure to the vibration isolation requirement of the different vibration operating mode of applicable system. Compared with the traditional rubber foot pad, the air spring vibration isolation foot pad has the advantages that the rigidity of the air pressure can be directly adjusted by the control system to adjust the foot pad in real time, so that the time for disassembling and installing the vibration isolation foot pad by the tester in a high-temperature or high-cold laboratory is reduced, the test efficiency is improved, and the test environment and the test condition of the tester are greatly improved.

Description

Air spring vibration isolation foot pad structure with support protection device
Technical Field
The utility model relates to a new energy automobile air conditioner compressor vibration control technical field, concretely relates to air spring vibration isolation callus on sole structure with support protection device.
Background
Mechanical vibration is an important factor influencing the working quality of the air conditioner compressor of the new energy automobile. Vibration of the compressor directly causes noise to radiate from the compressor housing. Further, vibration of the compressor and high-speed flow of the gas flow in the pipe cause excessive vibration of the pipe, which leads to excessive stress at the bent portion of the pipe and even breakage. People pay more and more attention to the problems of vibration and noise generated by the compressor, and the reduction of the vibration and noise of the compressor is a hot spot concerned by various large vehicle enterprises.
At present, pure rubber vibration reduction materials adopted by compressors and the like in China are more traditional, and similar product structures and vibration modes are adopted regardless of whether vibration working conditions are consistent or not. Especially, the experimental research work of the influence of the compressor foot pad on the vibration isolation performance of the compressor is completed by replacing pure rubber foot pads of different types for multiple times, the experimental period is long, and the foot pad matching and model selection difficulty is high.
Therefore, the air spring vibration isolation foot pad structure with the support protection device and the rigidity of which can be conveniently adjusted is particularly important for the matching design of the compressor vibration isolation foot pad.
SUMMERY OF THE UTILITY MODEL
1. In view of this, the utility model aims at providing an air spring vibration isolation callus on sole structure with support protection device, the atmospheric pressure of this kind of vibration isolation callus on sole can independent control to ask the optimum mechanical properties parameter that each vibration isolation callus on sole of optimal matching goes out the compressor, provides the rigidity parameter for the structural design and the development of rubber leather bag vibration isolation callus on sole.
2. The utility model discloses a solve its technical problem and the technical scheme who adopts is:
3. an air spring vibration isolation foot pad structure with a support protection device comprises an upper end plate, a rubber bag, an internal support structure, an inflation nozzle and a base.
4. Further, the base is in a cylindrical shape with the lower end closed and the upper end opened.
5. Preferably, the base is designed in a shape of Chinese character 'shan', so that the whole weight of the spring is reduced, and the internal space of the spring is increased.
6. Further, the rubber leather bag is cylindrical, and the upper end and the lower end of the rubber leather bag are both open.
7. Furthermore, the lower end of the rubber leather bag is bonded with the upper end of the base, and the upper end of the rubber leather bag is bonded with the lower end of the upper end plate.
8. Preferably, the air spring vibration isolation foot pad presents a cylindrical structure closed at both ends.
9. Furthermore, the upper end plate is flexibly connected with the rubber leather bag.
10. Further, the internal support structure comprises a support column, a cylindrical guide rail and a rubber buffer block, and the rubber buffer block is bonded at the lower end of the support column.
11. Preferably, the pillar and the cylinder guide are fixed to the upper end plate and the base, respectively, in a threaded manner.
12. Further, the inflating nozzle is arranged on the base and used for air intake and exhaust of the air spring vibration isolation foot pad; and the lower end of the base is provided with a threaded hole for positioning and mounting the air spring vibration isolation foot pad.
13. Compared with the existing rubber bag damping material, the air spring vibration isolation foot pad has obvious advantages and practical economic effects, and by means of the technical scheme, the design of the air spring vibration isolation foot pad can reach the advanced technical level and has wide utilization value in the industry.
Compared with the prior art, the concrete advantages are that:
(1) the technical field of compressor vibration control by adopting the air spring vibration isolation foot pad is provided for the first time.
(2) The utility model discloses an air spring vibration isolation callus on sole's atmospheric pressure can independent control to the best mechanical properties parameter of each vibration isolation callus on sole of compressor is gone out to the matching, provides the rigidity parameter for the structural design and the development of rubber leather bag vibration isolation callus on sole.
(3) Compared with the traditional method for replacing and testing different rubber leather bag foot pads for multiple times to match a better foot pad product, the method has the advantages of quickly adjusting the rigidity of the foot pad by adjusting the air pressure of the air spring vibration isolation foot pad, reducing the installation and disassembly time of the vibration isolation foot pad, reducing the influence of disassembly and assembly on test data, and greatly improving the test efficiency and the accuracy of the test data.
(4) The utility model discloses an air spring vibration isolation callus on sole, once install the back, all need not to change in whole testing process. The control system directly adjusts the air pressure of the air spring vibration isolation foot pad to adjust the rigidity of the foot pad in real time, so that the time for a tester to detach and install the vibration isolation foot pad in a high-temperature or high-cold laboratory is reduced, and the test environment and conditions of the tester are greatly improved.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper end plate of FIG. 1;
FIG. 3 is a schematic structural view of the base of FIG. 1;
FIG. 4 is a schematic view of the rubber bladder of FIG. 1;
fig. 5 is a schematic structural view of the internal support member of fig. 1.
In the figure: 1, an upper end plate; 2, a rubber leather bag; 3, inflating a nozzle; 4, a base; 5 an internal support structure; 6, a cylindrical slide rail; 7, a rubber buffer block; 8 pillars;
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings
1. Referring to fig. 1-5, the embodiment of the utility model provides an air spring vibration isolation callus on sole structure with support protection device, it includes upper end plate 1, rubber leather bag 2, inside bearing structure 5, charging connector 3, base 4 is that the lower extreme seals upper end open-ended cylindricly, rubber leather bag 2 is the equal open-ended cylindricly of upper end and lower extreme, the lower extreme of rubber leather bag 2 bonds with the upper end of base 4, the upper end of rubber leather bag bonds with 1 lower extreme of upper end plate, so that air spring vibration isolation callus on sole presents both ends confined cylindric structure.
2. Further, the inflating nozzle 3 is arranged on the base 4, and the internal supporting structure 5 is arranged in the air spring and plays a supporting role in the air-deficient state of the air spring; the lower end of the base 4 is provided with a threaded hole 9 for positioning and mounting the air spring vibration isolation foot pad.
3. The number of the air spring vibration isolation foot pads required to be installed on the automobile air conditioner compressor is generally 4, but the invention is not limited to the air spring vibration isolation foot pads. Different air pressures are input to each air spring vibration isolation foot pad through an air charging device so as to independently adjust the rigidity of each foot pad, and under the actual operation working condition of the compressor, vibration signals of the upper end and the lower end of each air spring vibration isolation foot pad and the vibration frequency of a compressor body are tested and recorded, so that the vibration mechanical characteristics of the compressor under different working conditions are measured. When the vibration and noise of the compressor are minimum, the rigidity value of each air spring is obtained by analyzing the relation curve of the air pressure and the static rigidity of the air spring, and rigidity parameters are provided for the structural design and development of the rubber leather bag vibration isolation foot pad.
4. Compared with the traditional method for replacing and testing different rubber bag foot pads for multiple times to match a better foot pad product, the method has the advantages of quickly adjusting the rigidity of the foot pad by adjusting the air pressure of the air spring vibration isolation foot pad, reducing the installation and disassembly time of the vibration isolation foot pad, reducing the influence of disassembly and assembly on test data, and greatly improving the test efficiency and the accuracy of the test data. The time for the test personnel to dismantle and install the vibration isolation foot pad in a high-temperature or high-cold laboratory is reduced, and the test environment and conditions where the test personnel are located are greatly improved.
The test method of the utility model comprises the following steps:
step 1: in the semi-anechoic chamber, a test bench, four air spring vibration isolation foot pads, a compressor pipe, a compressor, an air tap, a first vibration detection device, a second vibration detection device, a pipeline safety valve, an exhaust valve, a pipeline barometer, an air inlet pipeline, an air inlet valve, an air chamber safety valve, an air chamber barometer, an air chamber exhaust valve, an inflator pump, an execution instruction sending unit, a data acquisition instrument, a computer and the like are installed or connected according to requirements.
Step 2: after the whole testing system is electrified, the control system automatically starts the inflator pump to inflate the air chamber by monitoring the air pressure of the air chamber barometer, and the air pressure of the air chamber is kept above the minimum air pressure required by the testing state.
Step 3: before the test system runs, rigidity values are calculated according to the theories of the four air spring vibration isolation foot pads and converted into air pressure values, meanwhile, the air inlet valves are opened to independently inflate the four foot pads, and the opening or closing of the air inlet valves is monitored and controlled in real time by the pipeline barometer. And when the air pressure of the four air spring vibration isolation foot pads respectively reaches a preset value, closing the air inlet valve, maintaining the pressure for a certain time, and monitoring whether each air inlet pipeline leaks air by a pipeline barometer.
Step 4: and (4) performing pretesting, starting the compressor after ensuring that each air inlet pipeline is airtight, running for a certain time, stopping the compressor after the system is stable, and monitoring whether the test signal is normal or not.
Step 5: during testing, the compressor is started again, and vibration signals under different loads in four working conditions of starting, accelerating, stabilizing and stopping are recorded according to the requirements of testing working conditions.
Step 6: and controlling the opening or closing of an exhaust valve and an intake valve, adjusting the air pressure of the four air spring vibration isolation foot pads, repeating steps 1-6, and recording vibration signals under different working conditions.
Step 7: and opening the exhaust valve of the air chamber after the test is finished.

Claims (5)

1. The utility model provides an air spring vibration isolation callus on sole structure with support protection device which characterized in that: comprises an upper end plate (1), a rubber leather bag (2), an internal supporting structure (5), an inflating nozzle (3) and a base (4); the base (4) is in a cylindrical shape with the lower end closed and the upper end opened; the rubber bag (2) is in a cylindrical shape with openings at the upper end and the lower end, the lower end of the rubber bag is bonded with the upper end of the base (4), and the upper end of the rubber bag is bonded with the lower end of the upper end plate (1), so that the air spring vibration isolation foot pad is in a cylindrical structure with two closed ends; the inflating nozzle (3) is arranged on the base (4), and the internal supporting structure (5) is arranged in the air spring.
2. An air spring vibration isolation foot pad structure with support and protection means as claimed in claim 1, wherein: the rubber buffer block is characterized by comprising a cylinder guide rail (6), a rubber buffer block (7) and a support column (8), wherein the rubber buffer block (7) is bonded at the lower end of the support column (8).
3. An air spring vibration isolation foot pad structure with support and protection means as claimed in claim 2, wherein: the pillar (8) and the cylinder guide rail (6) are respectively fixed on the upper end plate (1) and the base (4) in a threaded connection mode.
4. An air spring vibration isolation foot pad structure with support and protection means as claimed in claim 1, wherein: and the inflating nozzle (3) is arranged on the base (4) and is used for air intake and exhaust of the air spring vibration isolation foot pad.
5. An air spring vibration isolation foot pad structure with support and protection means as claimed in claim 1, wherein: and the lower end of the base (4) is provided with a threaded hole (9) for positioning and mounting the air spring vibration isolation foot pad.
CN202023264438.0U 2020-12-29 2020-12-29 Air spring vibration isolation foot pad structure with support protection device Expired - Fee Related CN214662999U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023264438.0U CN214662999U (en) 2020-12-29 2020-12-29 Air spring vibration isolation foot pad structure with support protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023264438.0U CN214662999U (en) 2020-12-29 2020-12-29 Air spring vibration isolation foot pad structure with support protection device

Publications (1)

Publication Number Publication Date
CN214662999U true CN214662999U (en) 2021-11-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023264438.0U Expired - Fee Related CN214662999U (en) 2020-12-29 2020-12-29 Air spring vibration isolation foot pad structure with support protection device

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658798A (en) * 2022-02-24 2022-06-24 中船澄西船舶修造有限公司 Frequency modulation damping device and method for mounting marine auxiliary machinery equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658798A (en) * 2022-02-24 2022-06-24 中船澄西船舶修造有限公司 Frequency modulation damping device and method for mounting marine auxiliary machinery equipment
CN114658798B (en) * 2022-02-24 2023-12-26 中船澄西船舶修造有限公司 Frequency modulation damping device and damping method for installation of marine auxiliary equipment

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Granted publication date: 20211109