Vehicle component vibration test device and test method

By designing a vibration testing device for automotive components that include cooling and heating components, the problem that the prior art cannot be tested at different temperatures is solved, and the vibration detection of automotive components under different temperature environments is realized, and the detection accuracy is improved.

CN119509868APending Publication Date: 2025-02-25CHANGZHOU GUANGHE KERUI DETECTION TECHNOLOGY CO LTD

Patent Information

Application Number
CN202411559338.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-02-25

AI Technical Summary

Technical Problem

The existing vibration testing devices for automobile power components cannot be tested under different temperature environments and cannot meet the needs of automobiles to operate at different temperatures.

Method used

A vibration testing device for automotive components is designed, including a cover, an insulating box, a carrier, a jet head and a detector. By setting cooling and heating components in the detection chamber, different temperature areas are formed, different temperature environments are simulated, and vibration testing is carried out.

Benefits of technology

By simulating different temperature environments, the vibration index of automotive components at different ambient temperatures can be effectively detected, improving the accuracy of data detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vehicle part vibration testing device, and belongs to the field of automobile production. Comprising a housing, a heat preservation box, a carrier, a jet head and a detector, wherein the carrier is provided with a clamp used for fixing a tested piece on the carrier; the jet heads are linearly arranged in the width direction of the heat preservation box and are arranged in two rows in the length direction of the heat preservation box, so that the detection cavity forms a first area, a second area and a third area; a cooling assembly is arranged in the first area to reduce the temperature in the first area; a heating assembly is arranged in the third area to increase the temperature of the third area. The beneficial effect of the application lies in providing a vehicle part vibration test device which simulates the operation of vehicle parts at different ambient temperatures.
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Description

Technical Field

[0001] The present application relates to the field of automobile production, and in particular to a vibration testing device for automobile parts. Background Art

[0002] During the automobile production process, the power components need to be tested. Vibration test is an important indicator of the performance test of automobile power components. For the vibration test device of power components; In the current testing method, the tested parts are sent to a constant temperature testing room for testing; however, cars will operate at different temperatures, so the car parts will also operate at different temperatures; and the existing tests are all carried out in a constant temperature testing room, which cannot meet the vibration test requirements of different temperature environments; therefore, it is necessary to design a test device that can simulate different temperature environments to solve the above technical defects. Summary of the invention

[0003] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0004] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide a vehicle component vibration testing device, including: a housing, including a housing plate and a chamber defined by the housing; The heat preservation box is arranged in the chamber to form a detection chamber for accommodating the tested object for detection, and the inner wall of the detection chamber forms an inlet and an outlet connecting the chamber and the detection chamber; The carrier is arranged in the detection chamber for movement along a straight line from the inlet to the outlet; The jet head is arranged on the top wall of the detection cavity to form a jet path for guiding the gas to be sprayed to the bottom of the detection cavity; A detector is arranged on the carrier to detect the vibration index of the tested object; Among them, a clamp for fixing the test piece on the carrier is provided on the carrier; the nozzles are arranged in a line along the width direction of the incubator, and two rows are arranged along the length direction of the incubator so that the detection cavity forms a first area, a second area and a third area; a cooling component is provided in the first area to reduce the temperature in the first area; a heating component is provided in the third area to increase the temperature of the third area; During the working process, the first area, the second area and the third area are formed by the air wall, and the cooling component in the first area realizes the operating environment of the vehicle components at a temperature lower than the normal temperature, which is used to detect the vibration index when the ambient temperature is lower than the ambient temperature; the second area realizes the operating environment of the vehicle components at a normal temperature, which is used to detect the vibration index when the ambient temperature is normal; the heating component in the third area realizes the operating environment of the vehicle components at a temperature higher than the normal temperature, which is used to detect the vibration index when the ambient temperature is higher than the ambient temperature; through the simulation of three different ambient temperatures, the vibration index of the vehicle components under different ambient temperatures can be effectively detected, thereby improving the accuracy of data detection.

[0005] In some embodiments, the cover is located below the incubator and has an air storage cavity; The bottom portion of the detection cavity penetrates through the gas storage cavity to form a groove; The slots correspond to the spray heads so that the air wall formed by the spray heads penetrates into the air storage cavity.

[0006] In some embodiments, a plurality of connecting pipes communicating with the gas storage cavity are disposed on the bottom surfaces of the first region and the third region; The bottom surfaces of the first area and the third area are both provided with interlayers; The connecting pipe penetrates the interlayer; Wherein, the cooling component and the heating component are both arranged in the interlayer.

[0007] In some embodiments, the cooling assembly includes: A cooling pipe is arranged in the interlayer corresponding to the first area; A liquid storage box is installed in the chamber and communicated with the cooling pipe; A circulation pump is installed in the liquid storage box and connected to the cooling pipe; The liquid storage box is filled with refrigerant; and the interlayer corresponding to the first area is filled with a heat conductor.

[0008] In some embodiments, the heating assembly includes a heating tube and a heater; The heating tube is arranged in the interlayer corresponding to the third area; the heater is arranged in the chamber and connected to the heating tube to heat the heating tube; The interlayer corresponding to the third area is filled with a thermal conductor.

[0009] In some embodiments, an air blowing tube is provided on the inner wall of the second region; The surface of the blowing pipe is moved to set the extension pipe; A magnetic member is arranged on the extension tube; An electromagnet corresponding to the magnetic element is arranged on the wall of the second region; Wherein, a first elastic member is arranged between the magnetic member and the electromagnet.

[0010] In some embodiments, the carrier includes a moving plate and fixed seats disposed at both ends of the moving plate; Wherein, a guide rail for guiding the movement of the movable plate is arranged at the bottom of the detection chamber along the linear direction from the inlet to the outlet; and a driving member for driving the fixture to rotate is installed on any one of the fixed seats.

[0011] In some embodiments, a vent hole corresponding to the end of the measured object is formed through the surface of the fixing seat where no clamp is provided; The inner wall of the ventilation hole is movably provided with a support frame for supporting the tested object.

[0012] In some embodiments, both the first zone and the third zone are provided with electronic thermometers; A central processing module electrically connected to the electronic thermometer is installed in the housing; The central processing module is used for receiving and processing the temperature signal transmitted by the electronic thermometer and controlling the temperature of the first area and the third area.

[0013] A detection method for vibration testing of vehicle components comprises the following steps: S1. Install the automobile shaft parts as the tested parts on the carrier through the fixture, and drive the fixture to rotate to simulate the state of the parts in operation; S2, using a cooling component to make the temperature in the first area within the range of 1°C-10°C to simulate the motion state of the part at the temperature, and performing vibration detection on the part; S3, moving the carrier to the second area, and making the temperature in the second area at room temperature through the air blowing pipe; so as to simulate the motion state of the parts at the temperature, and perform vibration detection on the parts; S4. Move the carrier to the third area, set the temperature in the third area to 35°C-50°C by heating the component to simulate the motion state of the parts at this temperature, and perform vibration detection on the parts. The beneficial effect of the present application is that it provides a specific JSXG vehicle component vibration testing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0015] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0016] In the attached picture: Figure 1 It is an overall schematic diagram according to the embodiment of the present application Figure 1 ; Figure 2 It is an overall schematic diagram according to the embodiment of the present application Figure 2 ; Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing the overall structure of the heat preservation box; Figure 4 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the jet head and the slot; Figure 5 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the cooling pipe and the heating pipe; Figure 6 It is a schematic structural diagram of a part of the embodiment, mainly showing the structures of the first area, the second area and the third area; Figure 7 yes Figure 5 A magnified view of part A; Figure 8 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the heater and the circulation pump; Fig. 9 It is a schematic structural diagram of a part of the embodiment, mainly showing the structure of the carrier; Fig.10 It is a structural schematic diagram of a part of the embodiment, mainly showing the support frame structure. Reference numerals:

[0017] 1. Cover; 2. Chamber; 3. Insulation box; 5. Inlet; 6. Outlet; 7. Nozzle; 8. First area; 9. Second area; 10. Third area; 11. Air storage chamber; 12. Slot; 13. Interlayer; 14. Connecting pipe; 15. Cooling pipe; 16. Liquid storage box; 17. Circulation pump; 18. Heating pipe; 19. Heater; 20. Carrier; 21. Moving plate; 22. Fixed seat; 23. Clamp; 25. Guide rail; 26. Nut seat; 27. Screw rod; 28. Slide; 29. ​​Air blowing pipe; 30. Ventilation hole; 31. Spiral groove; 32. Extension pipe; 33. Magnetic part; 34. Electromagnet; 35. First elastic part; 36. Induction block; 37. Induction switch; 38. Support frame; 39. Second elastic part. DETAILED DESCRIPTION

[0018] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0019] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0020] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0021] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0022] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0023] Example 1

[0024] Reference Figure 1-Figure 10 , a vehicle component vibration test device, used for detecting the vibration of automobile shaft parts; comprising: a cover 1, an insulation box 3, a carrier 20, a jet head 7, and a detector; The housing 1 includes a housing plate and a chamber 2 defined by the housing 1. Four legs are provided at the bottom of the housing 1 to support the housing 1 away from the ground. A door leading to the interior of the chamber 2 is provided on the surface of the housing 1 facing the human body. A heat preservation box 3 is also provided inside the housing 1. The heat preservation box 3 includes a detection chamber defined by a heat insulation board for placing the detected object. The inner wall of the detection chamber forms an inlet 5 and an outlet 6 connecting the chamber 2 and the detection chamber. The detected object is manually placed into the detection chamber from the inlet 5, and comes out from the outlet 6 after passing the detection. In another specific embodiment, the nozzle 7 is installed on the top wall of the detection cavity to form a jet path for guiding the gas to be sprayed to the bottom of the detection cavity; wherein the nozzles 7 are arranged in a line along the width direction of the heat preservation box 3, and two rows are arranged along the length direction of the heat preservation box 3 so that the detection cavity forms a first area 8, a second area 9 and a third area 10; the nozzle 7 is provided with air blowing by a blowing device arranged on the cover 1, and the blowing device is an air pump directly purchased on the market; a cooling component is arranged in the first area 8 to reduce the temperature in the first area 8; a heating component is arranged in the third area 10 to increase the temperature of the third area 10; preferably, each row of nozzles 7 is arranged in two columns, so that the air wall formed by each row of nozzles 7 has two columns, so that a better isolation effect can be achieved; so that the temperatures of the first area 8, the second area 9 and the third area 10 will not affect each other, and the heat preservation box 3 can simulate the state under different temperature environments; In another embodiment, electronic thermometers for detecting temperature are provided in both the first area 8 and the third area 10, and the electronic thermometers are electrically connected to a central processing module installed in the cover 1; wherein the central processing module includes a signal receiver for receiving the signal transmitted by the electronic thermometer and an information processor for analyzing the electrical signal transmitted by the electronic thermometer; specifically, the signal is manually input into the information processor through a program; in this embodiment, the temperature of the first area 8 can be set between 1°C and 10°C; the temperature of the third area 10 can be set between 35°C and 50°C; the electronic thermometer can detect the temperature of the first area 8 and the third area 10, and the information processor analyzes the information transmitted by the electronic thermometer to determine whether the temperature in the first area 8 is between 1°C and 10°C, and whether the temperature in the third area 10 is between 35°C and 50°C; and the cooling component is controlled by the actuator to cool the first area 8 and heat the third area 10 to ensure the temperature of the detection environment.

[0025] In another more specific embodiment, the cover 1 is located below the heat preservation box 3 and has an air storage cavity 11, and the bottom part of the detection cavity penetrates into the air storage cavity 11 to form a groove 12; the groove 12 corresponds to the nozzle 7 so that the air wall formed by the nozzle 7 penetrates into the air storage cavity 11; specifically, the side of the groove 12 is chamfered to guide part of the gas formed by the wind wall into the air storage cavity 11; wherein, an interlayer 13 is provided between the bottom surface of the first area 8 and the third area 10 and the air storage cavity 11, and the interlayer 13 is filled with a thermal conductor, which is a sodium chloride solution; a plurality of connecting tubes 14 are provided in the interlayer 13, which penetrate the interlayer 13 and connect the air storage cavity 11 and the detection cavity; preferably, the connecting tube 14 is bent in the interlayer 13 to increase the contact time with the thermal conductor.

[0026] In another specific embodiment, the cooling component includes: a cooling tube 15, a liquid storage box 16, and a circulating pump 17; wherein the cooling tube 15 is arranged in the interlayer 13 corresponding to the first area 8; the liquid storage box 16 is filled with a refrigerant, which is Freon or liquid nitrogen and is connected to the cooling tube 15; a circulating pump 17 connected to the cooling tube 15 is also installed in the liquid storage box 16; the heating component includes a heating tube 18 and a heater 19; the heating tube 18 is arranged in the interlayer 13 corresponding to the third area 10; the heater 19 is arranged in the chamber 2 and is connected to the heating tube 18 to heat the heating tube 18; specifically, the circulating pump 17 is electrically connected to the actuator; when the electronic thermometer After detecting that the temperature in the first area 8 is higher than 10°C, the actuator drives the circulation pump 17 to start, so that the refrigerant flows in the cooling pipe 15 and the heat transfer agent is cooled; thereby, the gas temperature can be further cooled, so that the temperature regulation in the first area 8 is more stable; similarly, after the electronic thermometer detects that the temperature in the third area 10 is lower than 35°C, the actuator drives the heater 19 to start, and heats the heat transfer agent; thereby, the gas temperature can be further increased, so that the temperature regulation in the third area 10 is more stable; through the design of the above scheme, the first area 8 and the third area 10 can simulate the operating state below and above normal temperature; In another specific embodiment, a carrier 20 for supporting the inspected part is provided at the bottom of the detection chamber; wherein the carrier 20 includes a movable plate 21 and a fixed seat 22 fixedly provided on both sides of the movable plate 21; preferably, the fixed seat 22 is located on the raised portion of the surface of the movable plate 21 and is integrally formed with the movable plate 21; a clamp 23 is provided on the fixed seat 22 near the door of the chamber, and the clamp 23 preferably adopts a three-jaw chuck; further explanation, a plastic protective cover is provided at the position where each jaw of the three-jaw chuck contacts the surface of the inspected part to prevent parts from being pinched; a driving member for driving the clamp 23 to rotate is provided on the fixed seat 22, and the driving member may be a motor; in this way, the state of the inspected part under working operation can be simulated, so that the vibration index obtained by the detection of the part has higher accuracy.

[0027] In another embodiment, a guide rail 25 for guiding the movement of the movable plate 21 is arranged at the bottom of the detection chamber along the straight line direction from the inlet 5 to the outlet 6; a screw rod 27 is installed in the guide rail 25, and a nut seat 26 is threadedly connected to the screw rod 27; the nut seat 26 is slidably connected to the bottom surface of the movable plate 21; specifically, a slide groove 28 slidably connected to the nut seat 26 is formed at the bottom of the movable plate 21, and the slide groove 28 extends in the direction of approaching / moving away from the warehouse door; in this way, when installing the detected part, the slide plate is pulled close to the warehouse door, which facilitates the installation of the detected part.

[0028] In another specific embodiment, an air blowing pipe 29 is provided on the inner wall of the second area 9, and the air blowing pipe 29 is connected to an air pump provided outside to blow room temperature gas into the second area 9, so that the temperature of the second area 9 is consistent with the room temperature; wherein, a ventilation hole 30 corresponding to the air blowing pipe 29 is formed through the surface of the fixing seat 22 where the clamp 23 is not provided, and the ventilation hole 30 can accommodate the measured object; a spiral groove 31 is formed on the inner wall of the ventilation hole 30; specifically, an extension pipe 32 is movably provided on the air blowing pipe 29, and the extension pipe 32 is connected with the ventilation hole 30 after movement so that the gas of the air blowing pipe 29 is directly blown into the ventilation hole 30; it can be understood that after the gas passes through the spiral groove 31, it flows in a spiral shape on the surface of the measured object, which can quickly restore the measured object to room temperature; more specifically, a magnetic part 33 is provided on the extension pipe 32, and the magnetic part 33 is a magnet, and the second An electromagnet 34 corresponding to the magnetic part 33 is arranged on the inner wall of the area 9, and a first elastic member is arranged between the magnetic part 33 and the electromagnet 34; the first elastic member 35 is a spring; the electromagnet 34 can generate magnetism and drive the magnet to move after being energized, so that the end of the extension tube 32 docks with the vent; wherein, a mechanical sensing switch 37 is arranged on the inner wall of the second area 9, and the mechanical sensing switch 37 is used to control the closing of the electromagnet 34; a sensing block 36 sensed by the mechanical sensing switch 37 is arranged on the moving plate 21; when the moving plate 21 moves in the second area 9, the sensing block 36 senses the sensing switch 37; at this time, the moving plate 21 stops moving, and the electromagnet 34 is energized accordingly; through the design of the above scheme, the detected part can restore normal temperature in the second area 9 and be detected at normal temperature; the detection range is improved by simulating the operating environment under three different temperature conditions.

[0029] In another specific embodiment, a support frame 38 for supporting the measured object is disposed on the inner wall of the ventilation hole 30; wherein, the support frame 38 has multiple roots and is movably disposed on the inner wall of the ventilation hole 30 along the diameter direction of the ventilation hole 30; specifically, the inner wall portion of the ventilation hole 30 is concave inward along the radial direction to form a guide hole corresponding to the support frame 38; the bottom of the guide hole is connected to the support rod by a second elastic member 39, and the second elastic member 39 is for always giving an elastic force to the end of the support frame 38 close to the measured object; when the measured object is inserted into the ventilation hole 30, the surface of the measured object contacts the end of the support rod; at this time, the second elastic member 39 will give the support rod an elastic force to contact the object to be tested, so that support can be formed.

[0030] Example 2

[0031] A detection method of a vehicle component vibration test device comprises the following steps: S1, start the jet head 7 to form an air wall in the detection chamber to form a first area 8, a second area 9 and a third area 10; the gas formed by the air wall enters the first area 8 and the third area 10 through the connecting pipe 14; the connecting pipe 14 of the first area 8 is cooled so that the temperature in the first area 8 is controlled between 1°C and 10°C; after the connecting pipe 14 of the third area 10 is heated, the temperature of the third area 10 is controlled between 35°C and 50°C; during the detection, the automobile shaft parts are installed on the carrier 20 as the test piece through the fixture 23, and the fixture 23 is driven to rotate to simulate the state of the parts when in operation; S2. The operating parts are inspected by the detector, and the data is transmitted to the display set on the cover 1 for the staff to observe the data; during the inspection process, the electronic thermometer detects the temperature in the first area 8; if the temperature is higher than 10°C, the circulation pump 17 is controlled to start and the heat conductive agent is cooled.

[0032] S3, start the screw rod 27 to move the mobile carrier 20 to the second area 9. When the induction block 36 contacts the sensor switch, the screw rod 27 stops rotating and energizes the electromagnet 34. After energization, the extension tube 32 is driven to dock with the ventilation hole 30, and the external normal temperature gas is blown into the ventilation hole 30. Under the action of the spiral groove 31, the gas rotates along the surface of the part, so that the part quickly returns to the working state at normal temperature, so as to simulate the motion state of the part at this temperature, and perform vibration detection on the part; S4, start the screw rod 27 to move the carrier 20 to the third area 10, use the detector to detect the parts in operation, and transmit the data to the display set on the cover 1 for the staff to observe the data; during the detection process, the electronic thermometer detects the temperature in the first area 8; if the temperature is higher than or lower than 35°C, the heater 19 is controlled to start and the thermal conductive agent is heated.

[0033] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A vibration test device for vehicle parts, comprising: A casing, comprising a casing plate and a chamber defined by the casing; An insulated box is arranged in the chamber to form a testing chamber for accommodating the tested object for testing, and the inner wall of the testing chamber forms an inlet and an outlet connecting the chamber and the testing chamber; Characterized in that: the vehicle component vibration testing device also includes: A carrier is arranged in the detection chamber, movable along a straight line from the inlet to the outlet; An air jet head is arranged on the top wall of the detection cavity to form an air jet path for guiding the gas to be sprayed to the bottom of the detection cavity; A detector, arranged on the carrier, to detect the vibration index of the tested object; Among them, a clamp for fixing the test piece on the carrier is provided on the carrier; the nozzles are arranged in a line along the width direction of the thermal insulation box, and two rows are arranged along the length direction of the thermal insulation box so that the detection cavity forms a first area, a second area and a third area; a cooling component is provided in the first area to reduce the temperature in the first area; a heating component is provided in the third area to increase the temperature of the third area.

2. The vehicle component vibration testing device according to claim 1, characterized in that: The cover is located below the heat preservation box and has an air storage cavity; The bottom portion of the detection cavity penetrates through the gas storage cavity to form a groove; The slot corresponds to the nozzle so that the air wall formed by the nozzle penetrates into the air storage cavity.

3. The vehicle component vibration testing device according to claim 2, characterized in that: A plurality of connecting pipes communicating with the gas storage cavity are disposed on the bottom surfaces of the first area and the third area; The bottom surfaces of the first area and the third area are both provided with interlayers; The connecting pipe passes through the interlayer; Wherein, the cooling component and the heating component are both arranged in the interlayer.

4. The vehicle component vibration testing device according to claim 3, characterized in that: The cooling component comprises: A cooling pipe is arranged in the interlayer corresponding to the first area; A liquid storage box, installed in the chamber and connected to the cooling pipe; A circulation pump, installed in the liquid storage box and connected to the cooling pipe; The liquid storage box is filled with refrigerant; and the interlayer corresponding to the first area is filled with a thermal conductor.

5. The vehicle component vibration testing device according to claim 3, characterized in that: The heating assembly comprises a heating tube and the heater; The heating tube is arranged in the interlayer corresponding to the third area; the heater is arranged in the chamber and connected to the heating tube to heat the heating tube; Wherein, the interlayer corresponding to the third area is filled with a thermal conductor.

6. The vehicle component vibration testing device according to claim 1, characterized in that: An air blowing pipe is arranged on the inner wall of the second area; The surface of the air blowing pipe is moved to set an extension pipe; The extension tube is provided with a magnetic member; An electromagnet corresponding to the magnetic member is arranged on the inner wall of the second region; Wherein, a first elastic member is arranged between the magnetic member and the electromagnet.

7. The vehicle component vibration testing device according to claim 1, characterized in that: The carrier includes a movable plate and fixed seats arranged at both ends of the movable plate; Wherein, a guide rail for guiding the movement of the movable plate is arranged at the bottom of the detection chamber along the straight line direction from the inlet to the outlet; and a driving member for driving the fixture to rotate is installed on any one of the fixed seats.

8. The vehicle component vibration testing device according to claim 7, characterized in that: A ventilation hole corresponding to the end of the measured object is formed on the surface of the fixing seat where the clamp is not provided; The inner wall of the ventilation hole is movably provided with a support frame for supporting the tested object.

9. The vehicle component vibration testing device according to claim 1, characterized in that: The first area and the third area are both provided with electronic thermometers; A central processing module electrically connected to the electronic thermometer is installed in the housing; The central processing module is used to receive and process the temperature signal transmitted by the electronic thermometer and control the temperature of the first area and the third area.

10. A detection method of a vehicle component vibration test device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Install the automobile shaft parts as the tested parts on the carrier through the fixture, and drive the fixture to rotate to simulate the state of the parts in operation; S2, using a cooling component to make the temperature in the first area within the range of 1°C-10°C to simulate the motion state of the part at the temperature, and performing vibration detection on the part; S3, moving the carrier into the second area, and making the temperature in the second area at room temperature through the air blowing pipe; To simulate the motion state of the parts at this temperature and perform vibration detection on the parts; S4, moving the carrier into the third area, setting the temperature in the third area within the range of 35°C-50°C by a heating component to simulate the motion state of the parts at the temperature, and performing vibration detection on the parts.

Citation Information

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