CN114623993A - Automobile parts vibration detects uses noise insulation mechanism - Google Patents
Automobile parts vibration detects uses noise insulation mechanism Download PDFInfo
- Publication number
- CN114623993A CN114623993A CN202111343912.5A CN202111343912A CN114623993A CN 114623993 A CN114623993 A CN 114623993A CN 202111343912 A CN202111343912 A CN 202111343912A CN 114623993 A CN114623993 A CN 114623993A
- Authority
- CN
- China
- Prior art keywords
- box body
- vibration
- detected
- insulation mechanism
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 title claims abstract description 13
- 230000035939 shock Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000001133 acceleration Effects 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a sound insulation mechanism for vibration detection of automobile parts, which comprises a box body in a rectangular shell shape, wherein the box body comprises a top plate and a bottom plate, shock absorption pads are arranged below the top plate and above the bottom plate, an air port communicated with an environmental chamber is arranged on the box body, and a plug used for sealing the inner cavity of the box body is arranged at the air port in a matched manner; and a part to be detected and a clamp for clamping the part to be detected are arranged in the box body, and an acceleration sensor for vibration detection is also arranged in the box body. The invention can be used in cooperation with the environment bin to conveniently carry out vibration test on automobile parts, and the cooperation between the air port and the plug can quickly reach the required test environment.
Description
Technical Field
The invention relates to a sound insulation mechanism for detecting vibration of automobile parts.
Background
Automobiles are important vehicles in people's daily lives. The components of the motor vehicle are subjected to impacts, in particular vibrations, during driving. It is therefore imperative that vibration testing of automotive components be performed. In the prior production, a vibration rack is adopted for testing automobile testing, and parts are arranged on a tooling plate of the vibration rack for testing. The working environment of the automobile parts often has certain humidity and experiences high-low temperature cross change, and along with vibration during driving, vibration detection in the situation is difficult.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the sound insulation mechanism for the vibration detection of the automobile parts, the sound insulation mechanism is matched with an environment bin to be used for conveniently carrying out the vibration test on the automobile parts, and the matching of an air port and a plug can quickly reach the required test environment.
In order to achieve the purpose, the technical scheme of the invention is to design a sound insulation mechanism for vibration detection of automobile parts, which comprises a box body in a rectangular shell shape, wherein the box body comprises a top plate and a bottom plate, shock absorption pads are arranged below the top plate and above the bottom plate, an air port communicated with an environmental chamber is arranged on the box body, and a plug used for sealing an inner cavity of the box body is arranged at the air port in a matched manner; the box body is internally provided with a part to be detected and a clamp for clamping the part to be detected, and the box body is internally provided with an acceleration sensor for vibration detection. The shock pad is used for isolating vibration of the spindle motor, the measuring range of the acceleration sensor is 50g, and the sensitivity is 100 mV/g. The invention can be used in cooperation with an environment bin to conveniently carry out vibration test on automobile parts, and the cooperation between an air port and a plug can quickly reach a required test environment.
The device comprises a top plate, a clamp, a loading plate, a spring, an electric push rod, a shock pad, a bottom plate and a base plate, wherein the lower part of the loading plate is fixedly provided with the lower support; the part to be tested is a roller screw assembly in an automobile braking system. The damping pad arranged below loads the tested roller screw assembly, so that the influence caused by vibration of the loading plate can be reduced, and the screw or the nut can be prevented from rotating.
The further technical proposal is that two air ports are arranged and are respectively positioned at the upper end and the lower end of the box body; a vibration utilization structure for simulating the working environment of the parts is also arranged in the box body; the main shaft is a liquid dynamic and static pressure supporting main shaft. The liquid dynamic and static pressure support main shaft can reduce the influence generated by the vibration of the main shaft. The vibration utilization structure specifically comprises a vibration guide piece fixedly connected with a main shaft (or a loading plate or a part to be detected), the vibration guide piece is connected with a switch of an ultrasonic atomizing nozzle, the vibration guide piece forms pulse on-off to the switch after being vibrated, so that the ultrasonic atomizing nozzle forms pulse type spraying and jetting, the ultrasonic atomizing nozzle is arranged on the inner wall of a box body, a water pipe of the ultrasonic atomizing nozzle is arranged in the wall of the box body, the other end of the water pipe is connected with a water storage tank arranged outside the box body, an on-off valve is arranged on the water pipe and electrically connected with a controller, the controller is also electrically connected with a humidity sensor arranged in the box body, the humidity sensor in the box body is used for detecting the humidity in the box body, and the on-off valve is closed when the humidity in the box body reaches a set value, namely the working environment humidity of the part to be detected is close to the on-off valve, so that the pulse type spraying is realized by the vibration of the part to be detected to form the required environment humidity in the box body, the finally measured data is closer to the actual working condition of the parts, and the data is closer to the actual working condition.
A further technical scheme is that a guide rail is arranged in the environment bin, and a sliding groove matched with the guide rail is formed in the lower end of the box body.
A further technical scheme is that the acceleration sensor is a three-axis acceleration sensor and is respectively used for detecting the vibration of the main shaft, the part to be detected and the loading plate, and the shock pad is made of silica gel.
The invention has the advantages and beneficial effects that: the vibration testing device can be used in cooperation with the environment bin to conveniently perform vibration testing on automobile parts, and the matching of the air port and the plug can quickly achieve the required testing environment.
The damping pad arranged below loads the tested roller screw assembly, so that the influence caused by vibration of the loading plate can be reduced, and the screw or the nut can be prevented from rotating.
The influence generated by the vibration of the main shaft can be reduced by adopting the liquid dynamic and static pressure to support the main shaft. The working environment of the automobile parts can be simulated, so that the measured data is closer to the real use condition.
Drawings
FIG. 1 is a schematic view of a sound insulating mechanism for vibration detection of an automobile part according to the present invention;
fig. 2 is a schematic view of the internal structure of fig. 1.
In the figure: 1. a box body; 2. a top plate; 3. a base plate; 4. a shock pad; 5. a tuyere; 6. a component to be tested; 7. a clamp; 8. an acceleration sensor; 9. a motor bracket; 10. a motor; 11. a coupling; 12. a main shaft; 13. a lower bracket; 14. a loading plate; 15. a spring; 16. an electric push rod.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 2, the invention relates to a sound insulation mechanism for vibration detection of automobile parts, which comprises a box body 1 in a rectangular shell shape, wherein the box body 1 comprises a top plate 2 and a bottom plate 3, shock absorption pads 4 are arranged below the top plate 2 and above the bottom plate 3, an air port 5 communicated with an environmental chamber is arranged on the box body 1, and a plug used for sealing an inner cavity of the box body 1 is arranged at the air port 5 in a matched manner; the box body 1 is internally provided with a part to be detected 6 and a clamp 7 for clamping the part to be detected 6, and the box body 1 is also internally provided with an acceleration sensor 8 for vibration detection. A motor support 9 is fixedly connected below a shock pad 4 below the top plate 2, a motor 10 is fixedly connected below the motor support 9, the motor 10 is connected with a flexible coupling 11, a main shaft 12 is fixedly connected below the coupling 11, the clamp 7 is fixedly connected below the main shaft 12, a part 6 to be tested is clamped below the clamp 7, a loading plate 14 is arranged below the part 6 to be tested, a spring 15 is arranged below the loading plate 14, an electric push rod 16 is arranged below the spring 15, a lower support 13 is fixedly arranged below the electric push rod 16, the shock pad 4 is arranged below the lower support 13, and a bottom plate 3 is fixedly arranged below the shock pad 4; the part 6 to be tested is a roller screw assembly in an automobile braking system. Two air ports 5 are arranged and are respectively positioned at the upper end and the lower end of the box body 1; a vibration utilization structure for simulating the working environment of the parts is also arranged in the box body 1; the main shaft 12 is a liquid dynamic and static pressure support main shaft 12. The environment bin is internally provided with a guide rail, and the lower end of the box body 1 is provided with a sliding chute matched with the guide rail. Acceleration sensor 8 is triaxial acceleration sensor 8 and is used for detecting main shaft 12, the spare part 6 and the loading plate 14's that await measuring vibration respectively, shock pad 4 adopts the silica gel material to make.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A sound insulation mechanism for vibration detection of automobile parts is characterized by comprising a box body in a rectangular shell shape, wherein the box body comprises a top plate and a bottom plate, shock absorbing pads are arranged below the top plate and above the bottom plate, an air port communicated with an environmental chamber is arranged on the box body, and a plug used for sealing an inner cavity of the box body is arranged at the air port in a matched manner; and a part to be detected and a clamp for clamping the part to be detected are arranged in the box body, and an acceleration sensor for vibration detection is also arranged in the box body.
2. The sound insulation mechanism for vibration detection of automobile parts according to claim 1, wherein a motor bracket is fixedly connected below the shock pad below the top plate, a motor is fixedly connected below the motor bracket, the motor is connected with a flexible coupling, a main shaft is fixedly connected below the coupling, the main shaft is fixedly connected below the clamp, the part to be detected is clamped below the clamp, a loading plate is arranged below the part to be detected, a spring is arranged below the loading plate, an electric push rod is arranged below the spring, a lower bracket is fixedly arranged below the electric push rod, the shock pad is arranged below the lower bracket, and a bottom plate is fixedly arranged below the shock pad; the part to be tested is a roller screw assembly in an automobile braking system.
3. The sound insulation mechanism for detecting the vibration of the automobile part as claimed in claim 2, wherein two air ports are provided and are respectively located at the upper and lower ends of the box body; a vibration utilization structure for simulating the working environment of the parts is also arranged in the box body; the main shaft is a liquid dynamic and static pressure supporting main shaft.
4. The sound insulation mechanism for detecting the vibration of the automobile part according to claim 3, wherein a guide rail is arranged in the environmental chamber, and a sliding groove matched with the guide rail is arranged at the lower end of the box body.
5. The automobile part vibration detection sound insulation mechanism according to claim 4, wherein the acceleration sensor is a three-axis acceleration sensor and is respectively used for detecting vibration of the main shaft, the part to be detected and the loading plate, and the shock absorption pad is made of a silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343912.5A CN114623993A (en) | 2021-11-14 | 2021-11-14 | Automobile parts vibration detects uses noise insulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111343912.5A CN114623993A (en) | 2021-11-14 | 2021-11-14 | Automobile parts vibration detects uses noise insulation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114623993A true CN114623993A (en) | 2022-06-14 |
Family
ID=81896752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111343912.5A Pending CN114623993A (en) | 2021-11-14 | 2021-11-14 | Automobile parts vibration detects uses noise insulation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623993A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852230A (en) * | 2013-12-31 | 2014-06-11 | 浙江吉利控股集团有限公司 | Vibration test device for small parts of automobile |
| CN105115728A (en) * | 2015-09-11 | 2015-12-02 | 沙洲职业工学院 | Ball screw test bench |
| CN105223013A (en) * | 2015-11-02 | 2016-01-06 | 西华大学 | A kind of suspension matching system is test bed |
| KR101735507B1 (en) * | 2016-08-11 | 2017-05-15 | (주)가온테크 | Vibration test equipment For Electrical and Electronic Components of Vehicle |
| CN107271180A (en) * | 2017-06-18 | 2017-10-20 | 南京理工大学 | A kind of planetary roller screw integrates load testing machine |
| CN109708874A (en) * | 2018-12-30 | 2019-05-03 | 慈兴集团有限公司 | Ball screw assembly, vibration and noise measuring device and measuring method |
| CN209372411U (en) * | 2018-12-30 | 2019-09-10 | 慈兴集团有限公司 | Ball screw assembly, vibration and noise measuring device |
| CN111360716A (en) * | 2018-12-26 | 2020-07-03 | 王望珩 | Automobile parts anchor clamps convenient to use |
| CN112014106A (en) * | 2019-05-30 | 2020-12-01 | 东北林业大学 | Rolling bearing vibration test device |
| CN112247933A (en) * | 2020-09-11 | 2021-01-22 | 苏州溯标检测认证有限公司 | New energy automobile spare part detects auxiliary device |
| CN213301692U (en) * | 2020-11-26 | 2021-05-28 | 苏州亚创工程技术有限公司 | Automobile parts is with detecting frock |
| CN214040559U (en) * | 2020-12-04 | 2021-08-24 | 武汉信测标准技术服务有限公司 | A sound insulation construction for automobile parts vibration test |
-
2021
- 2021-11-14 CN CN202111343912.5A patent/CN114623993A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852230A (en) * | 2013-12-31 | 2014-06-11 | 浙江吉利控股集团有限公司 | Vibration test device for small parts of automobile |
| CN105115728A (en) * | 2015-09-11 | 2015-12-02 | 沙洲职业工学院 | Ball screw test bench |
| CN105223013A (en) * | 2015-11-02 | 2016-01-06 | 西华大学 | A kind of suspension matching system is test bed |
| KR101735507B1 (en) * | 2016-08-11 | 2017-05-15 | (주)가온테크 | Vibration test equipment For Electrical and Electronic Components of Vehicle |
| CN107271180A (en) * | 2017-06-18 | 2017-10-20 | 南京理工大学 | A kind of planetary roller screw integrates load testing machine |
| CN111360716A (en) * | 2018-12-26 | 2020-07-03 | 王望珩 | Automobile parts anchor clamps convenient to use |
| CN109708874A (en) * | 2018-12-30 | 2019-05-03 | 慈兴集团有限公司 | Ball screw assembly, vibration and noise measuring device and measuring method |
| CN209372411U (en) * | 2018-12-30 | 2019-09-10 | 慈兴集团有限公司 | Ball screw assembly, vibration and noise measuring device |
| CN112014106A (en) * | 2019-05-30 | 2020-12-01 | 东北林业大学 | Rolling bearing vibration test device |
| CN112247933A (en) * | 2020-09-11 | 2021-01-22 | 苏州溯标检测认证有限公司 | New energy automobile spare part detects auxiliary device |
| CN213301692U (en) * | 2020-11-26 | 2021-05-28 | 苏州亚创工程技术有限公司 | Automobile parts is with detecting frock |
| CN214040559U (en) * | 2020-12-04 | 2021-08-24 | 武汉信测标准技术服务有限公司 | A sound insulation construction for automobile parts vibration test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201306407Y (en) | Dynamic vibration absorber | |
| CN103353403A (en) | Six-dimensional parallel-connection test bench for automobile suspension test | |
| CN112129473A (en) | Automobile differential pressure pipe air tightness testing device | |
| CN114623993A (en) | Automobile parts vibration detects uses noise insulation mechanism | |
| CN220039756U (en) | Shock absorber air tightness detection device for front fork production of electric vehicle | |
| CN206945209U (en) | A kind of pressure sensor assembling structure | |
| CN106932181B (en) | Power assembly suspension parameter identification experiment device | |
| CN206648582U (en) | A kind of automobile exhaust system Taper Pipe comprehensive measuring tool | |
| CN106441066B (en) | Equipment for ABS solenoid valve valve rod assembly stroke detection | |
| CN214309360U (en) | Air tightness detection device for liquid storage cylinder of automobile shock absorber | |
| CN203337494U (en) | Sinking-resistant test device | |
| CN206623632U (en) | A kind of automobile tire pressure detector | |
| CN106441191B (en) | ABS solenoid valve valve rod assembly stroke detecting method | |
| CN207231742U (en) | A kind of device for being used to measure front damper body mounts origin dynamic stiffness | |
| CN212748323U (en) | NVH-based automobile noise source detection device | |
| CN2921825Y (en) | Support for testing cover shape nut welding strength | |
| EP3984787A1 (en) | Multifunctional external inflating valve and mounting method for loading device of inflating valve | |
| CN213600310U (en) | Automobile differential pressure pipe air tightness testing device | |
| CN221007807U (en) | Online vibration testing device for battery | |
| CN111076864A (en) | Inspection structure for oil pressure sensor | |
| CN215262294U (en) | Vapour exterior mirror gas tightness detection device | |
| CN201247076Y (en) | Apparatus for testing piezoelectric sensor | |
| CN106338304B (en) | The strong combination device for measuring force of a kind of pressure and ground | |
| CN218628850U (en) | Tool applied to air spring air bag piston assembly air tightness detection of automobile chassis suspension system | |
| CN209542108U (en) | It can the dynamic temperature sensor of vibration measuring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |