CN114112263B - Vibration testing device capable of adjusting automobile posture - Google Patents
Vibration testing device capable of adjusting automobile posture Download PDFInfo
- Publication number
- CN114112263B CN114112263B CN202111374562.9A CN202111374562A CN114112263B CN 114112263 B CN114112263 B CN 114112263B CN 202111374562 A CN202111374562 A CN 202111374562A CN 114112263 B CN114112263 B CN 114112263B
- Authority
- CN
- China
- Prior art keywords
- automobile
- plate
- box body
- threaded rod
- test
- 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.)
- Active
Links
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
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a vibration testing device capable of adjusting the posture of an automobile, which belongs to the technical field of automobile detection and comprises a box body and a supporting shaft, wherein the supporting shaft is positioned at the top of the box body and is connected with the box body through a posture adjusting mechanism, and the posture adjusting mechanism comprises; the lifting mechanism is connected in the box body, and the horizontal interval adjusting mechanism is connected at the lifting end of the lifting mechanism and extends out of the top of the box body; the two support shafts are symmetrically designed and respectively connected with two adjusting ends of the horizontal interval adjusting mechanism, and each support shaft is rotationally connected with two test wheels; in the testing process, according to the testing requirement, the automobile posture can be flexibly adjusted through the posture adjusting mechanism, and the vibration amplitudes at different positions when the automobile is in an ascending slope or a descending slope and the damage degree of the front and rear wheel tires of the automobile when the automobile is in different postures are tested.
Description
Technical Field
The invention relates to the technical field of automobile detection, in particular to a vibration testing device capable of adjusting automobile postures.
Background
Since the new century, along with the rapid development of economy in China, the living standard of people is rapidly improved, private cars are popularized, the demand of markets for the private cars is also increasing, the productivity of vast car enterprises is also increasing, along with the improvement of the productivity and the stricter quality requirements, so that vibration tests are needed before the whole car leaves the factory, and the vibration amplitude and abnormal noise of the car body are detected.
However, in the current market, the existing vibration testing device capable of adjusting the automobile posture cannot flexibly adjust the automobile posture according to the testing requirements in the detection process, so that the automobile cannot be tested, and the automobile is in an ascending slope or a descending slope, the vibration amplitudes of different positions and the damage degree of the front and rear tires of the automobile are in different postures.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the automobile posture cannot be flexibly adjusted according to the test requirement, and the like, and provides a vibration test device capable of adjusting the automobile posture.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the vibration testing device capable of adjusting the posture of the automobile comprises a box body and also comprises a supporting shaft, wherein the supporting shaft is positioned at the top of the box body and is connected with the box body through a posture adjusting mechanism, and the posture adjusting mechanism comprises; the lifting mechanism is connected in the box body, and the horizontal interval adjusting mechanism is connected at the lifting end of the lifting mechanism and extends out of the top of the box body; the two support shafts are symmetrically designed and respectively connected with two adjusting ends of the horizontal interval adjusting mechanism, each support shaft is rotatably connected with two test wheels, and each test wheel is provided with a test assembly; the lifting mechanism and the horizontal interval adjusting mechanism are independently driven by the same driving source; the contact plate is used for testing the vibration amplitude; the box body is respectively one from front to back, and the front and back wheels of the automobile are respectively arranged between the two corresponding test wheels.
In order to realize the function that the test wheel goes up and down, preferably, elevating system is including rotating the second threaded rod of connecting at the box inner wall, two screw thread pieces of threaded connection on the second threaded rod and the lifter plate of upper and lower sliding connection at the box inner wall, lifter plate bottom rotates and is connected with two connecting rods of symmetrical design, every the one end that the lifter plate was kept away from to the connecting rod rotates respectively and connects on corresponding screw thread piece, the second threaded rod passes through the actuating source drive.
In order to achieve the purpose of adjusting the horizontal distance between the two test wheels, preferably, the horizontal distance adjusting mechanism comprises a first threaded rod rotatably connected to the lifting plate and two first support plates in threaded connection with the first threaded rod, two support shafts in symmetrical design are respectively connected to the two first support plates, and the first threaded rod is driven by the driving source.
In order to drive elevating system and horizontal interval adjustment mechanism respectively, preferably, the actuating mechanism is for connecting the driving motor at the box lateral wall, driving motor's output is connected with first gear and action wheel, the one end fixedly connected with third gear of second threaded rod extension play box, the box lateral wall is connected with first linear motor and second backup pad, first linear motor's output rotates and is connected with the second gear, first threaded rod extension goes out the one end fixedly connected with of box from the driving wheel, be connected with the belt between action wheel and the driving wheel, second backup pad lateral wall is connected with second linear motor, second linear motor's output rotates and is connected with the take-up pulley that is used for tensioning the belt.
In order to improve stability, preferably, the novel belt tensioning device further comprises a bottom plate, the box is fixed on the bottom plate, a first anti-falling cover is fixedly connected to the bottom plate, the first anti-falling cover is sleeved on the driving wheel and is rotationally connected with the output end of the driving motor, a fixing rod is fixedly connected to the lifting plate, one end of the fixing rod, extending out of the box, is fixedly connected with a second anti-falling cover, the second anti-falling cover is sleeved on the driven wheel and is rotationally connected with the first threaded rod, the output end of the second linear motor is fixedly connected with a limiting cylinder, the tensioning wheel is rotated in the limiting cylinder, and the belt penetrates through the limiting cylinder.
For real-time test vibration amplitude, preferably, be connected with on the bottom plate and remove the frame, it has first slider to remove to be connected with on the frame, the contact plate is fixed at first slider lateral wall, the contact plate pastes with the car bottom mutually and bottom fixedly connected with can take notes the vibration inductor of vibration amplitude, remove frame lateral wall fixedly connected with third backup pad, be connected with first spring between third backup pad and the contact plate.
In order to flexibly adjust the upper and lower positions of the contact plates according to the differences of the test automobiles, preferably, the third support plate is rotationally connected with a threaded sleeve, the threaded sleeve is internally and in threaded connection with a fourth threaded rod, the fourth threaded rod penetrates through the third support plate and extends to one end of the top of the third support plate to be fixedly connected with an adjusting plate, and one end of the first spring, far away from the contact plate, is connected with the adjusting plate.
In order to prevent the head of the automobile from being damaged, preferably, a second sliding block is further connected to the movable frame on one side of the front wheel of the automobile in a sliding manner, a second spring is fixedly connected to the side wall of the second sliding block, a concave plate is fixedly connected to the other end of the second spring, and an inflatable elastic air bag is arranged in the concave plate.
In order to prevent that the device from interfering with the movement of the automobile, preferably, the movable frame is movably connected to the bottom plate, a third threaded rod is connected to the movable frame in a threaded manner, one end of the third threaded rod is rotatably connected to the side wall of the box body, a fourth gear is fixedly connected to the third threaded rod, a third linear motor is connected to the side wall of the box body, and a fifth gear is rotatably connected to the output end of the third linear motor.
In order to test the vibration conditions of different pavements, preferably, the test assembly is a plurality of test strips with different sizes, a plurality of slots are formed in the surface of the test wheel, inserting strips are fixedly connected to the bottoms of the test strips, and the test strips are inserted into the slots through the inserting strips.
Compared with the prior art, the invention provides the vibration testing device capable of adjusting the automobile posture, which has the following beneficial effects:
1. this adjustable car gesture's vibration testing arrangement, in test process, according to the test demand, through gesture adjustment mechanism, can nimble adjustment car gesture, when the test out car is in uphill or downhill path, the vibration range of different positions to and when the test car is in different gesture vibrations, the damage degree of front and back wheel tire.
2. This adjustable car gesture's vibration testing arrangement pastes anterior and the elasticity gasbag of car with mutually can effectively prevent the car, takes place the accident at the testing process, improves the security to and through mobilizable movable frame, improved the convenience that the car moved around the test.
3. According to the vibration testing device capable of adjusting the automobile posture, through respectively changing the test strips with different sizes on the test wheels at the bottoms of the four wheels of the automobile, the inclined postures of various automobiles can be obtained, so that the vibration condition and the tire abrasion condition of the automobile under different states can be measured conveniently.
Drawings
FIG. 1 is a schematic diagram of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 2 is a schematic diagram of a structure of a vibration testing device box capable of adjusting the posture of an automobile according to the present invention;
FIG. 3 is a schematic diagram of an elastic air bag of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 4 is a schematic diagram of a motor of a vibration testing device with adjustable vehicle posture according to the present invention;
FIG. 5 is a schematic diagram of a belt structure of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 6 is a side view of a test wheel of an adjustable vehicle attitude vibration testing apparatus according to the present invention;
fig. 7 is a side view of a supporting shaft of a vibration testing apparatus capable of adjusting the posture of an automobile according to the present invention.
In the figure: 1. a bottom plate; 101. a case; 2. a first support plate; 201. a support shaft; 202. a test wheel; 3. a lifting plate; 301. a first threaded rod; 4. a second threaded rod; 401. a screw block; 402. a connecting rod; 5. a driving motor; 501. a first gear; 502. a first linear motor; 503. a second gear; 504. a third gear; 6. a driving wheel; 601. driven wheel; 602. a belt; 603. a second support plate; 604. a second linear motor; 605. a limiting cylinder; 606. a tensioning wheel; 7. a first anti-drop cover; 701. a fixed rod; 702. a second anti-drop cover; 8. a third threaded rod; 801. a fourth gear; 802. a third linear motor; 803. a fifth gear; 804. a moving rack; 9. a first slider; 901. a contact plate; 902. a third support plate; 903. a thread sleeve; 904. a fourth threaded rod; 905. an adjusting plate; 906. a first spring; 10. a second slider; 1001. a second spring; 1002. a concave plate; 1003. an elastic air bag; 11. a slot; 1101. cutting; 1102. a test strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
referring to fig. 1 to 7, a vibration testing device capable of adjusting the posture of an automobile comprises a box body 101, and further comprises a supporting shaft 201, wherein the supporting shaft 201 is positioned at the top of the box body 101 and is connected with the box body 101 through a posture adjusting mechanism, the posture adjusting mechanism is connected in the box body 101 and extends to the top of the box body 101, and the posture adjusting mechanism comprises; a lifting mechanism connected in the box 101 and a horizontal interval adjusting mechanism connected at the lifting end of the lifting mechanism and extending out of the top of the box 101.
The support shafts 201 are two symmetrically designed and are respectively connected with two adjusting ends of the horizontal interval adjusting mechanism, each support shaft 201 is rotatably connected with two test wheels 202, the support shafts 201 are connected with the test wheels 202 through bearings, and the test wheels 202 are provided with test assemblies.
During testing, front and rear wheels of the automobile are respectively placed on the test wheels 202 on the front and rear boxes 101, the automobile is started, the wheels of the automobile rotate on the test wheels 202, and meanwhile the test wheels 202 are driven to rotate, so that the automobile is kept in a relatively static state, and vibration is generated by the test assembly.
The lifting mechanism and the horizontal distance adjusting mechanism are independently driven by the same driving source, and the driving source can independently drive the lifting mechanism and the horizontal distance adjusting mechanism respectively.
The vibration testing device also comprises a contact plate 901 which is used for testing the vibration amplitude and is used for testing the vibration amplitude of the automobile by following the up-down vibration of the automobile at any time; the box 101 is one in front of and the other in back of, and the front wheels and the rear wheels of the automobile are respectively placed between the two corresponding test wheels 202.
During testing, under the action of the test component on the test wheel 202, the automobile is driven to bump up and down, and then the bump amplitude is tested through the contact plate 901.
The box body 101 is respectively one front and rear, and the front and rear wheels of the automobile are respectively placed between the two corresponding test wheels 202, so that the inclination posture of the automobile can be flexibly adjusted through the lifting mechanism and the horizontal interval adjusting mechanism according to actual test requirements.
Example 2:
referring to fig. 1-7, further to the embodiment 1,
the embodiment discloses elevating system, elevating system is including rotating the second threaded rod 4 of connecting at box 101 inner wall, second threaded rod 4 is the double-threaded rod, both ends screw thread revolves to opposite, two screw thread pieces 401 of threaded connection on second threaded rod 4, two screw thread pieces 401 respectively symmetrical threaded connection are at the second threaded rod 4 both ends of revolving to opposite, sliding connection is at lifter plate 3 of box 101 inner wall from top to bottom, lifter plate 3 bottom rotates and is connected with two connecting rods 402 of symmetrical design, the one end that lifter plate 3 was kept away from to every connecting rod 402 rotates respectively to be connected on corresponding screw thread piece 401, second threaded rod 4 passes through the drive source drive rotation, when second threaded rod 4 rotated, two screw thread pieces 401 respectively simultaneously with the same speed to opposite direction removal.
When the height of the two test wheels 202 needs to be adjusted, the second threaded rod 4 is driven to rotate by the driving source, so that the two threaded blocks 401 respectively and simultaneously move in opposite directions at the same speed, and the lifting plate 3 is pushed by the connecting rod 402 to move on the inner wall of the box 101, so that the heights of the two test wheels 202 are adjusted.
By adjusting the heights of the two test wheels 202 at the bottoms of the front and rear wheels of the automobile respectively and independently, the vibration condition of the automobile can be simulated when the automobile ascends or descends, and the tire abrasion condition of the front and rear wheels can be compared after the vibration test is finished.
The lifting mechanism can also be realized by directly pushing the lifting plate 3 to lift through an electric telescopic rod.
Example 3:
referring to fig. 1-7, on the basis of example 2, further,
the embodiment discloses horizontal interval adjustment mechanism, horizontal interval adjustment mechanism is including rotating the first threaded rod 301 of connecting on lifter plate 3, first threaded rod 301 is the double-threaded rod, both ends screw thread revolve to opposite directions, and two first backup pad 2 of threaded connection on first threaded rod 301, two first backup pad 2 respectively symmetrical threaded connection are at the first threaded rod 301 both ends of revolving to opposite directions, two back shaft 201 of symmetrical design are connected respectively on two first backup pads 2, back shaft 201 can fixed connection on first backup pad 2, also can rotate to connect on first backup pad 2, first threaded rod 301 passes through the actuating source drive.
The top of the box 101 is provided with a chute, and the first support plate 2 slides in the chute.
According to the size of the wheels of the automobile, when the distance between the two test wheels 202 needs to be adjusted, the driving source drives the first threaded rod 301 to rotate, so that the two first support plates 2 respectively move in opposite directions at the same speed, and the purpose of adjusting the distance between the two test wheels 202 is achieved.
Through the forward and reverse rotation of the first threaded rod 301, the moving direction of the two first support plates 2 is controlled, when the two first support plates 2 relatively move, the distance is reduced, and the device is suitable for wheels with small sizes, and when the two first support plates 2 move oppositely, the distance is increased, and the device is suitable for wheels with large sizes.
The horizontal distance adjusting mechanism can also be realized by respectively pushing the first supporting plate 2 to move through two electric telescopic rods.
The bottom of the first supporting plate 2 can be further provided with a roller, the roller is attached to the upper surface of the lifting plate 3, and the rolling roller reduces the friction force when the first supporting plate 2 moves, so that the stability is improved.
Example 4:
referring to fig. 1-7, on the basis of example 3, further,
the driving source is the driving motor 5 of connection at box 101 lateral wall, driving motor 5's output fixedly connected with first gear 501 and action wheel 6, the one end fixedly connected with third gear 504 of second threaded rod 4 extension outside box 101, box 101 lateral wall is connected with first linear motor 502 and second backup pad 603, the output rotation of first linear motor 502 is connected with second gear 503, the one end fixedly connected with follow driving wheel 601 of first threaded rod 301 extension outside box 101, be connected with belt 602 between action wheel 6 and follow driving wheel 601, second backup pad 603 lateral wall fixedly connected with second linear motor 604, the output rotation of second linear motor 604 is connected with the take-up pulley 606 that is used for tensioning belt 602.
The second gear 503 is detachably engaged with the first gear 501 and the third gear 504, and is a helical gear.
When the heights of the two test wheels 202 need to be individually adjusted by the elevating mechanism, the first linear motor 502 is started, the second gear 503 is meshed with the first gear 501 and the third gear 504, and then the driving motor 5 is started.
The driving motor 5 drives the second threaded rod 4 to rotate through the first gear 501, the second gear 503 and the third gear 504, so that the heights of the two test wheels 202 are adjusted, and the lifting and lowering of the two test wheels 202 are realized through forward and reverse rotation of the driving motor 5.
After the adjustment is completed, the driving motor 5 stops operating, and retreats to the first linear motor 502, so that the second gear 503 is separated from the first gear 501 and the third gear 504.
When the distance between the two test wheels 202 needs to be adjusted by the horizontal distance adjusting mechanism, the second linear motor 604 is started, the belt 602 is tightened by the tension wheel 606, and then the driving motor 5 is started.
The driving motor 5 drives the first threaded rod 301 to rotate through the belt 602, so that the purpose of adjusting the distance between the two test wheels 202 is achieved, and the distance between the two test wheels 202 is increased and decreased through forward and reverse rotation of the driving motor 5.
After the adjustment is completed, the driving motor 5 stops working, and returns to the second linear motor 604, so that the belt 602 is loosened and cannot transmit power, and interference is prevented from being generated and the two test wheels 202 cannot work when the heights of the two test wheels are independently adjusted through the lifting mechanism.
During testing, the distance and the height between the two testing wheels 202 at the bottom of the front wheel or the rear wheel are flexibly adjusted according to actual requirements and the sizes of the wheels of the automobile.
When the automobile is in an inclined state for simulating an ascending slope or a descending slope, the distance between the two test wheels 202 on the lower side of the wheels can be adjusted relatively wider, so that the automobile is prevented from sliding off the test wheels 202.
Example 5:
referring to fig. 1-7, on the basis of example 4, further,
still include bottom plate 1, box 101 is fixed on bottom plate 1, fixedly connected with first anticreep cover 7 on bottom plate 1, first anticreep cover 7 cover is on action wheel 6 and rotate with driving motor 5's output and be connected, fixedly connected with dead lever 701 on the lifter plate 3, the one end fixedly connected with second anticreep cover 702 of dead lever 701 extension play box 101, second anticreep cover 702 cover is from driving wheel 601 and rotate with first threaded rod 301 to be connected, second linear electric motor 604's output fixedly connected with spacing section of thick bamboo 605, take-up pulley 606 rotates in spacing section of thick bamboo 605, belt 602 runs through in the spacing section of thick bamboo 605.
When the heights of the two test wheels 202 are independently adjusted through the lifting mechanism, the belt 602 is in a loose state, the belt 602 is sleeved on the driving wheel 6 through the first anti-falling cover 7, the belt 602 can be effectively prevented from falling off from the driving wheel 6, similarly, the belt 602 can be effectively prevented from falling off from the driven wheel 601 through the second anti-falling cover 702, the second anti-falling cover 702 is fixedly connected to the lifting plate 3 through the fixing rod 701, the first threaded rod 301 and the second anti-falling cover 702 can synchronously move along with the lifting plate 3, the relative rest is maintained, and the relative distance is unchanged, so that the second anti-falling cover 702 can synchronously move along with the movement of the driven wheel 601.
The output end of the second linear motor 604 is fixedly connected with a limiting cylinder 605, the belt 602 penetrates through the limiting cylinder 605, the position of the belt 602 in a loose state can be effectively limited, and when the second linear motor 604 is started, the tensioning wheel 606 can ensure to tighten the belt 602 and transmit power.
Example 6:
referring to fig. 1-7, on the basis of example 5, further,
the bottom plate 1 is connected with a movable frame 804, the movable frame 804 is provided with a first sliding block 9 in a sliding manner, the movable frame 804 is provided with a slide way, the first sliding block 9 slides in the slide way, a contact plate 901 is fixed on the side wall of the first sliding block 9, the contact plate 901 is attached to the bottom of an automobile, a vibration sensor capable of recording the vibration amplitude is fixedly connected to the bottom of the contact plate 901, a third supporting plate 902 is fixedly connected to the side wall of the movable frame 804, and a first spring 906 is connected between the third supporting plate 902 and the contact plate 901.
When the automobile vibrates, the contact plate 901 can vibrate together with the automobile at any time under the reaction force of the first spring 906, the contact plate is attached to the bottom of the automobile at any time, and at the moment, the vibration amplitude of the contact plate 901 can be recorded through the vibration sensor on the contact plate 901, so that the vibration amplitude of the automobile is judged.
Contact plates 901 are arranged on the front and rear sides of the automobile, so that the vibration amplitude of the front and rear sides of the automobile can be judged.
The vibration amplitude of the automobile is compared with the size of the test assembly, so that the shock absorption capacity of the automobile can be judged.
In the automobile, vibration sensors can be fixed on the front and rear seats and the steering wheel to judge the vibration conditions of different positions of the automobile
Example 7:
referring to fig. 1-7, on the basis of example 6, further,
the third supporting plate 902 is rotatably connected with a threaded sleeve 903, a fourth threaded rod 904 is connected with the threaded sleeve 903 in a threaded manner, and an adjusting plate 905 is fixedly connected to one end of the fourth threaded rod 904 penetrating through the third supporting plate 902 and extending to the top of the third supporting plate 902.
The end of the first spring 906 remote from the contact plate 901 is connected to the third support plate 902, and instead the end of the first spring 906 remote from the contact plate 901 is connected to the adjustment plate 905.
A guide bar is fixedly connected to the third support plate 902, and an adjusting plate 905 slides on the guide bar.
According to the different automobile types, the height of the bottom is also different, according to the different automobile types, in order to ensure that the contact plate 901 is attached to the bottom of the automobile at any time, and the first spring 906 also has a certain reverse acting force, so according to the different automobile types, the height of the contact plate 901 needs to be flexibly adjusted to adapt to the different automobile types.
When the height of the contact plate 901 needs to be adjusted, the threaded sleeve 903 is manually rotated to drive the fourth threaded rod 904 to move, and then the adjusting plate 905 is driven to move, and the adjusting plate 905 drives the contact plate 901 to move through the first spring 906, so that the purpose of adjusting the height of the contact plate 901 is achieved.
When the contact plate 901 moves, the first sliding block 9 is synchronously driven to slide in the slideway.
The contact plate 901 is raised or lowered by the forward and reverse rotation of the screw sleeve 903.
Example 8:
referring to fig. 1-7, further on the basis of example 7,
the movable frame 804 on one side of the front wheel of the automobile is also connected with a second sliding block 10 in a sliding way, the side wall of the second sliding block 10 is fixedly connected with a second spring 1001, the other end of the second spring 1001 is fixedly connected with a concave plate 1002, and an inflatable elastic air bag 1003 is arranged in the concave plate 1002.
The elastic balloon 1003 can be inflated and deflated manually, and when inflated, the volume expands.
Before the test, the automobile is moved to the box 101, before the automobile running test is started, the elastic air bag 1003 is inflated manually, the inflated elastic air bag 1003 is inflated to be attached to the front face of the automobile, and then the automobile is started for the test.
When the automobile wheel drives the test wheel 202 to rotate during testing, potential energy of forward movement is generated relative to the box body 101, the potential energy is attached to the front face of the automobile through the elastic air bag 1003, the potential energy is transmitted to the concave plate 1002 and the second spring 1001 through the elastic air bag 1003, the second spring 1001 is extruded, the potential energy is stored in the second spring 1001, and the automobile is prevented from moving forward and falling from the box body 101.
After the test is completed, the elastic balloon 1003 is manually deflated.
Example 9:
referring to fig. 1-7, on the basis of example 8, further,
the movable frame 804 is movably connected to the bottom plate 1, a third threaded rod 8 is in threaded connection with the movable frame 804, one end of the third threaded rod 8 is rotatably connected to the side wall of the box body 101, a fourth gear 801 is fixedly connected to the third threaded rod 8, a third linear motor 802 is connected to the side wall of the box body 101, and a fifth gear 803 is rotatably connected to the output end of the third linear motor 802.
The fifth gear 803 is detachably engaged with the first gear 501 and the fourth gear 801, and is a helical gear.
Before and after the test, the automobile is moved, so that the moving frames 804 at the two ends can be removed to facilitate the movement of the automobile when the automobile is moved in order to prevent the moving frames 804 at the two ends from obstructing the movement of the automobile.
When the moving frame 804 is moved, the third linear motor 802 is started, the fifth gear 803 is meshed with the first gear 501 and the fourth gear 801, and then the driving motor 5 is started.
The driving motor 5 drives the third threaded rod 8 to rotate through the first gear 501, the fifth gear 803 and the fourth gear 801, so as to drive the movable frame 804 to move, remove the movable frame 804, and further remove all the components on the movable frame 804 together.
The movable frame 804 can be removed or moved by the forward and reverse rotation of the driving motor 5.
When the moving frame 804 moves, the third support plate 902 may be slidably connected in the case 101 to ensure stability, and the moving frame 804 may be provided with rollers, which contact the bottom plate through the rollers, to reduce friction force during movement.
After the movement is completed, the driving motor 5 stops operating, and withdraws the third linear motor 802, separating the fifth gear 803 from the first gear 501 and the fourth gear 801.
Example 10:
referring to fig. 1-7, on the basis of example 9, further,
the test assembly is a plurality of test strips 1102 with different sizes, a plurality of slots 11 are arranged on the surface of the test wheel 202, the number of the test strips is 4-10, the bottom of each test strip 1102 is fixedly connected with an inserting strip 1101, the test strips 1102 are inserted into the slots 11 through the inserting strips 1101, and the number of the test strips 1102 is determined according to the number of the slots 11.
The test assembly is of a detachable design, can be detached from the slot 11, and is inserted with test strips 1102 of different sizes according to different test requirements for testing.
The test wheels 202 at the bottoms of the front wheel and the rear wheel of the automobile can be inserted with test strips 1102 with different sizes according to requirements, and vibration with different amplitudes of the front wheel and the rear wheel can be simulated, or the test wheels 202 at the bottoms of the four wheels of the automobile are respectively inserted with test strips 1102 with different sizes, and vibration with different amplitudes of the four wheels can be simulated, and the test strips can be flexibly tested to measure vibration conditions and tire abrasion conditions under different states when being matched with the posture adjustment of the automobile.
All the linear motors can be replaced by air cylinders, and the gears are rotationally connected to the output ends of the air cylinders.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. An adjustable vibration testing device for automobile posture comprises a box body (101), and is characterized in that,
the device also comprises a supporting shaft (201), wherein the supporting shaft (201) is positioned at the top of the box body (101) and is connected with the box body (101) through a posture adjusting mechanism, and the posture adjusting mechanism comprises;
the lifting mechanism is connected in the box body (101), and the horizontal distance adjusting mechanism is connected at the lifting end of the lifting mechanism and extends out of the top of the box body (101);
the two support shafts (201) are symmetrically designed and are respectively connected with two adjusting ends of the horizontal interval adjusting mechanism, each support shaft (201) is rotatably connected with two test wheels (202), and the test wheels (202) are provided with test components;
the lifting mechanism and the horizontal interval adjusting mechanism are independently driven by the same driving source;
the device also comprises a contact plate (901) which is used for testing the vibration amplitude and is used for vibrating along with the automobile up and down at any time;
the box body (101) is respectively arranged at the front and the rear, and the front and the rear wheels of the automobile are respectively arranged between the two corresponding test wheels (202);
the lifting mechanism comprises a second threaded rod (4) rotatably connected to the inner wall of the box body (101), two threaded blocks (401) in threaded connection with the second threaded rod (4) and a lifting plate (3) in up-down sliding connection with the inner wall of the box body (101), two symmetrically designed connecting rods (402) are rotatably connected to the bottom of the lifting plate (3), one end, far away from the lifting plate (3), of each connecting rod (402) is rotatably connected to the corresponding threaded block (401) respectively, and the second threaded rod (4) is driven by the driving source;
the horizontal distance adjusting mechanism comprises a first threaded rod (301) connected to the lifting plate (3) in a rotating mode and two first support plates (2) connected to the first threaded rod (301) in a threaded mode, two support shafts (201) which are symmetrically designed are connected to the two first support plates (2) respectively, and the first threaded rod (301) is driven by the driving source;
the driving source is a driving motor (5) connected to the side wall of the box body (101), a first gear (501) and a driving wheel (6) are connected to the output end of the driving motor (5), a third gear (504) is fixedly connected to one end of a second threaded rod (4) extending out of the box body (101), a first linear motor (502) and a second supporting plate (603) are connected to the side wall of the box body (101), a second gear (503) is rotatably connected to the output end of the first linear motor (502), a driven wheel (601) is fixedly connected to one end of the first threaded rod (301) extending out of the box body (101), a belt (602) is connected between the driving wheel (6) and the driven wheel (601), a second linear motor (604) is connected to the side wall of the second supporting plate (603), and a tensioning wheel (606) for tensioning the belt (602) is rotatably connected to the output end of the second linear motor (604).
The test assembly is a plurality of test strips (1102) with different sizes, a plurality of slots (11) are formed in the surface of the test wheel (202), inserting strips (1101) are fixedly connected to the bottoms of the test strips (1102), and the test strips (1102) are inserted into the slots (11) through the inserting strips (1101).
2. The vibration testing device capable of adjusting the posture of an automobile according to claim 1, further comprising a bottom plate (1), wherein the box body (101) is fixed on the bottom plate (1), a first anti-falling cover (7) is fixedly connected to the bottom plate (1), the first anti-falling cover (7) is sleeved on a driving wheel (6) and is rotationally connected with the output end of a driving motor (5), a fixing rod (701) is fixedly connected to a lifting plate (3), one end of the fixing rod (701) extending out of the box body (101) is fixedly connected with a second anti-falling cover (702), the second anti-falling cover (702) is sleeved on a driven wheel (601) and is rotationally connected with a first threaded rod (301), the output end of the second linear motor (604) is fixedly connected with a limiting cylinder (605), a tensioning wheel (606) is rotationally arranged in the limiting cylinder (605), and the belt (602) penetrates through the limiting cylinder (605).
3. The vibration testing device capable of adjusting the automobile posture according to claim 2, wherein the base plate (1) is connected with a movable frame (804), a first sliding block (9) is slidably connected to the movable frame (804), the contact plate (901) is fixed on the side wall of the first sliding block (9), the contact plate (901) is attached to the bottom of the automobile, the bottom is fixedly connected with a vibration sensor capable of recording the vibration amplitude, the side wall of the movable frame (804) is fixedly connected with a third supporting plate (902), and a first spring (906) is connected between the third supporting plate (902) and the contact plate (901).
4. A vibration testing device with adjustable automobile posture according to claim 3, wherein a threaded sleeve (903) is rotatably connected to the third support plate (902), a fourth threaded rod (904) is connected to the threaded sleeve (903) in a threaded manner, the fourth threaded rod (904) penetrates through the third support plate (902) and extends to one end of the top of the third support plate (902) to be fixedly connected with an adjusting plate (905), and one end of the first spring (906) away from the contact plate (901) is connected with the adjusting plate (905).
5. A vibration testing device capable of adjusting the posture of an automobile according to claim 3, wherein a second slider (10) is further connected to a moving frame (804) located at one side of an automobile front wheel in a sliding manner, a second spring (1001) is fixedly connected to the side wall of the second slider (10), a concave plate (1002) is fixedly connected to the other end of the second spring (1001), and an inflatable elastic air bag (1003) is arranged in the concave plate (1002).
6. The vibration testing device capable of adjusting the posture of an automobile according to claim 3, wherein the movable frame (804) is movably connected to the bottom plate (1), a third threaded rod (8) is connected to the movable frame (804) in a threaded manner, one end of the third threaded rod (8) is rotatably connected to the side wall of the box body (101), a fourth gear (801) is fixedly connected to the third threaded rod (8), a third linear motor (802) is connected to the side wall of the box body (101), and a fifth gear (803) is rotatably connected to the output end of the third linear motor (802).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374562.9A CN114112263B (en) | 2021-11-19 | 2021-11-19 | Vibration testing device capable of adjusting automobile posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374562.9A CN114112263B (en) | 2021-11-19 | 2021-11-19 | Vibration testing device capable of adjusting automobile posture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114112263A CN114112263A (en) | 2022-03-01 |
| CN114112263B true CN114112263B (en) | 2023-08-04 |
Family
ID=80396738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111374562.9A Active CN114112263B (en) | 2021-11-19 | 2021-11-19 | Vibration testing device capable of adjusting automobile posture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114112263B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791049B (en) * | 2023-02-17 | 2023-04-25 | 江苏永成汽车零部件股份有限公司 | Automobile side wall vibration test device |
| CN117191417B (en) * | 2023-08-17 | 2024-05-24 | 江苏晶福实业有限公司 | Testing device for bump performance of vehicle |
| CN116818245B (en) * | 2023-08-28 | 2023-11-17 | 山东金彭新能源科技有限公司 | Automobile cantilever beam detection table |
| CN117091788B (en) * | 2023-10-18 | 2023-12-22 | 江苏速利达机车有限公司 | Frame vibration test bench |
| CN117589410B (en) * | 2024-01-18 | 2024-04-09 | 江苏永成汽车零部件股份有限公司 | Automobile door inner decoration plate vibration simulation test system |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122530A2 (en) * | 2000-02-01 | 2001-08-08 | Renk Aktiengesellschaft | Torsional vibration test bench for testing vehicles and/or tyres |
| CN201732000U (en) * | 2010-03-24 | 2011-02-02 | 上海理工大学 | Antilock braking performance test bed based on electromechanical hybrid simulation technology |
| CN106872184A (en) * | 2017-04-07 | 2017-06-20 | 珠海市圣丰机动车辆检测设备有限公司 | A kind of automotive inspection equipment |
| JP2018163042A (en) * | 2017-03-27 | 2018-10-18 | Ｊｆｅスチール株式会社 | Dynamic rigidity test method for automobile body |
| CN108747617A (en) * | 2018-05-31 | 2018-11-06 | 湖州高锐科技有限公司 | A kind of hardware action blades quick processing device |
| CN108776026A (en) * | 2018-06-14 | 2018-11-09 | 华南理工大学 | A kind of teaching test stand for indoor automobile vibration and noise testing |
| JP2019113440A (en) * | 2017-12-25 | 2019-07-11 | カヤバ システム マシナリー株式会社 | Vibration tester |
| CN209400232U (en) * | 2019-02-26 | 2019-09-17 | 广州汽车集团股份有限公司 | Gradient elevation and subsidence regulating device and lifting regulating mechanism |
| CN209707118U (en) * | 2019-05-05 | 2019-11-29 | 上海品控检测科技有限公司 | A kind of vehicle steering wheel vibration test fixing device |
| CN210200835U (en) * | 2019-09-26 | 2020-03-27 | 西安航空学院 | Automobile storage battery protection device |
| CN211222946U (en) * | 2019-10-17 | 2020-08-11 | 清华大学 | Vehicle attitude active adjustment system and vehicle |
| CN212030932U (en) * | 2020-04-29 | 2020-11-27 | 中国检验认证集团湖北有限公司 | Rotary endurance testing machine for automobile steering column assembly |
| CN112326274A (en) * | 2020-10-13 | 2021-02-05 | 海南省三亚技师学院 | Automobile detection device capable of changing amplitude and tilting dynamic simulation road test |
| CN112414652A (en) * | 2020-11-30 | 2021-02-26 | 东风汽车集团有限公司 | Efficient high-precision white car body static rigidity measurement system and test method |
| CN113063558A (en) * | 2021-04-09 | 2021-07-02 | 哈尔滨理工大学 | Vibration test bench for automobile transmission |
| CN113589185A (en) * | 2021-08-30 | 2021-11-02 | 重庆理工清研凌创测控科技有限公司 | Complete machine power test system for new energy automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016225924A1 (en) * | 2016-12-21 | 2018-06-21 | Aip Gmbh & Co. Kg | Device for testing vehicles |
-
2021
- 2021-11-19 CN CN202111374562.9A patent/CN114112263B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122530A2 (en) * | 2000-02-01 | 2001-08-08 | Renk Aktiengesellschaft | Torsional vibration test bench for testing vehicles and/or tyres |
| CN201732000U (en) * | 2010-03-24 | 2011-02-02 | 上海理工大学 | Antilock braking performance test bed based on electromechanical hybrid simulation technology |
| JP2018163042A (en) * | 2017-03-27 | 2018-10-18 | Ｊｆｅスチール株式会社 | Dynamic rigidity test method for automobile body |
| CN106872184A (en) * | 2017-04-07 | 2017-06-20 | 珠海市圣丰机动车辆检测设备有限公司 | A kind of automotive inspection equipment |
| JP2019113440A (en) * | 2017-12-25 | 2019-07-11 | カヤバ システム マシナリー株式会社 | Vibration tester |
| CN108747617A (en) * | 2018-05-31 | 2018-11-06 | 湖州高锐科技有限公司 | A kind of hardware action blades quick processing device |
| CN108776026A (en) * | 2018-06-14 | 2018-11-09 | 华南理工大学 | A kind of teaching test stand for indoor automobile vibration and noise testing |
| CN209400232U (en) * | 2019-02-26 | 2019-09-17 | 广州汽车集团股份有限公司 | Gradient elevation and subsidence regulating device and lifting regulating mechanism |
| CN209707118U (en) * | 2019-05-05 | 2019-11-29 | 上海品控检测科技有限公司 | A kind of vehicle steering wheel vibration test fixing device |
| CN210200835U (en) * | 2019-09-26 | 2020-03-27 | 西安航空学院 | Automobile storage battery protection device |
| CN211222946U (en) * | 2019-10-17 | 2020-08-11 | 清华大学 | Vehicle attitude active adjustment system and vehicle |
| CN212030932U (en) * | 2020-04-29 | 2020-11-27 | 中国检验认证集团湖北有限公司 | Rotary endurance testing machine for automobile steering column assembly |
| CN112326274A (en) * | 2020-10-13 | 2021-02-05 | 海南省三亚技师学院 | Automobile detection device capable of changing amplitude and tilting dynamic simulation road test |
| CN112414652A (en) * | 2020-11-30 | 2021-02-26 | 东风汽车集团有限公司 | Efficient high-precision white car body static rigidity measurement system and test method |
| CN113063558A (en) * | 2021-04-09 | 2021-07-02 | 哈尔滨理工大学 | Vibration test bench for automobile transmission |
| CN113589185A (en) * | 2021-08-30 | 2021-11-02 | 重庆理工清研凌创测控科技有限公司 | Complete machine power test system for new energy automobile |
Non-Patent Citations (1)
| Title |
|---|
| 基于整车姿态测量的汽车前束测试;徐进军;陈钊;;现代机械(第04期);22-23 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114112263A (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114112263B (en) | Vibration testing device capable of adjusting automobile posture | |
| CN109366284A (en) | It is a kind of to go stub burr equipment automatically | |
| CN107589365A (en) | Multistation circuit board testing machine | |
| CN111851177B (en) | Intercity high-speed railway overhauls equipment | |
| CN110631848A (en) | Wheel and axle bending fatigue test device | |
| CN114088415B (en) | Automobile vibration testing device | |
| CN207509197U (en) | A kind of auto repair auxiliary tool | |
| CN217914104U (en) | Automobile part overturning tool | |
| CN203337368U (en) | Indicator test platform for dampers | |
| CN215748399U (en) | Tire clamping device | |
| CN214518560U (en) | Welding table for machining | |
| CN213579863U (en) | Chassis dynamometer | |
| CN212621416U (en) | Automobile brake disc detection equipment | |
| CN115194672A (en) | Clamping and fixing tool for jewelry detection | |
| CN112461658A (en) | Automobile seat leather quality detection device | |
| CN109079832B (en) | Full-automatic triangular rubber core ring unloading and page turning device matched with robot | |
| CN113370161A (en) | Automobile body processing platform with hole site calibration function | |
| CN206833146U (en) | A kind of photosensitive drums cleaning device | |
| CN216846837U (en) | Elevator rolling guide shoe roller fatigue life testing machine | |
| CN219483491U (en) | Automobile tire pressure testing machine | |
| CN218349390U (en) | Tire bulge detection device | |
| CN209764437U (en) | Vehicle braking bench test device | |
| CN114047057B (en) | Metallurgical panel hardness detection device | |
| CN215375111U (en) | Automobile aluminum decorative plate direction detection equipment | |
| CN221037964U (en) | Detection device suitable for buckle opening force |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |