CN114112263A - Vibration testing device capable of adjusting automobile posture - Google Patents
Vibration testing device capable of adjusting automobile posture Download PDFInfo
- Publication number
- CN114112263A CN114112263A CN202111374562.9A CN202111374562A CN114112263A CN 114112263 A CN114112263 A CN 114112263A CN 202111374562 A CN202111374562 A CN 202111374562A CN 114112263 A CN114112263 A CN 114112263A
- Authority
- CN
- China
- Prior art keywords
- automobile
- box body
- plate
- adjusting
- threaded rod
- 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.)
- Granted
Links
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
- 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 automobile postures, 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; the lifting mechanism is connected in the box body, 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; the two support shafts are symmetrically designed and are respectively connected to the two adjusting ends of the horizontal spacing adjusting mechanism, and each support shaft is rotatably connected with two testing wheels; in the test process, according to the test requirement, the posture of the automobile can be flexibly adjusted through the posture adjusting mechanism, the vibration amplitude of different positions when the automobile is in an ascending slope or a descending slope is tested, and the damage degree of tires of front wheels and rear wheels of the automobile when the automobile is in vibration of different postures is 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 increasingly popularized, the market demand for the private cars is higher and higher, the productivity of numerous car enterprises is also increased day by day, along with the improvement of the productivity and the stricter requirements on quality, the whole car needs to be subjected to vibration testing before leaving the factory to detect the vibration amplitude of the car body and whether the car has abnormal sound or not.
However, in the existing vibration testing device capable of adjusting the posture of the automobile in the market at present, the posture of the automobile cannot be flexibly adjusted according to testing requirements in the detection process, so that the vibration amplitude of different positions when the automobile is on an uphill slope or a downhill slope and the damage degree of tires of front wheels and rear wheels of the automobile when the automobile is in different postures cannot be tested.
Disclosure of Invention
The invention aims to solve the problems that the automobile posture cannot be flexibly adjusted according to the test requirement and the like in the prior art, and provides a vibration test device capable of adjusting the automobile posture.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vibration testing device capable of adjusting the posture of an automobile 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; the lifting mechanism is connected in the box body, 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; the two support shafts are symmetrically designed and are respectively connected to the two adjusting ends of the horizontal distance adjusting mechanism, each support shaft is rotatably connected with two testing wheels, and each testing wheel is provided with a testing assembly; the lifting mechanism and the horizontal distance adjusting mechanism are driven independently by the same driving source; the contact plate vibrates up and down along with the automobile at any time and is used for testing the vibration amplitude; the box body is respectively arranged in the front and the back, and the front wheel and the back wheel of the automobile are respectively arranged between the two corresponding testing wheels.
In order to realize the function that the test wheel goes up and down, it is preferred, elevating system is including rotating two screw blocks of connection on the second threaded rod of box inner wall, threaded connection and upper and lower sliding connection at the lifter plate of box inner wall on the second threaded rod, lifter plate bottom swivelling joint has two connecting rods of symmetry design, every the one end that the lifter plate was kept away from to the connecting rod rotates respectively to be connected on the screw block that corresponds, the second threaded rod passes through the driving source drive.
In order to realize adjusting the horizontal distance of two test wheels, it is preferable that horizontal distance adjustment mechanism includes rotating the first threaded rod of connection on the lifter plate and two first backup pads of threaded connection on first threaded rod, two of symmetrical design the back shaft is connected respectively on two first backup pads, first threaded rod passes through the driving source drive.
In order to respectively drive the lifting mechanism and the horizontal distance adjusting mechanism, preferably, the driving source is a driving motor connected to the side wall of the box body, the output end of the driving motor is connected with a first gear and a driving wheel, a second threaded rod extends out of one end of the box body and is fixedly connected with a third gear, the side wall of the box body is connected with a first linear motor and a second supporting plate, the output end of the first linear motor is rotatably connected with a second gear, one end of the first threaded rod extending out of the box body is fixedly connected with a driven wheel, a belt is connected between the driving wheel and the driven wheel, the side wall of the second supporting plate is connected with a second linear motor, and the output end of the second linear motor is rotatably connected with a tensioning wheel for tensioning the belt.
In order to improve stability, preferably, still include the bottom plate, the box is fixed on the bottom plate, the first anticreep cover of fixedly connected with on the bottom plate, first anticreep cover is on the action wheel and is connected with driving motor's output rotation, fixedly connected with dead lever on the lifter plate, the dead lever extends the one end fixedly connected with second anticreep cover of box, second anticreep cover is from the driving wheel and rotate with first threaded rod and be connected, the spacing section of thick bamboo of second linear electric motor's output fixedly connected with, the take-up pulley rotates in spacing section of thick bamboo, the belt runs through in the spacing section of thick bamboo.
For the real-time test vibration amplitude, preferably, be connected with the removal frame on the bottom plate, sliding connection has first slider on the removal frame, the contact plate is fixed at first slider lateral wall, the contact plate pastes with the car bottom and bottom fixedly connected with can take notes the vibration inductor of vibration amplitude, removal 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 position and the lower position of the contact plate according to different tested automobiles, the third support plate is preferably rotatably connected with a threaded sleeve, a fourth threaded rod is connected in the threaded sleeve in a threaded manner, the fourth threaded rod penetrates through the third support plate and extends to an adjusting plate fixedly connected with one end of the top of the third support plate, and one end, far away from the contact plate, of the first spring is connected with the adjusting plate.
In order to prevent the head of the automobile from being injured, preferably, the moving frame positioned on one side of the front wheel of the automobile is further connected with a second sliding block in a sliding manner, the side wall of the second sliding block is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a concave plate, and an inflatable elastic air bag is arranged in the concave plate.
Around the test, for preventing that the device from interfering the car and removing, it is preferred, remove the mobilizable connection of frame on the bottom plate, threaded connection has the third threaded rod on the removal frame, the one end of third threaded rod is rotated and is connected at the box lateral wall, fixedly connected with fourth gear on the third threaded rod, the box lateral wall is connected with third linear electric motor, third linear electric motor's output rotates and is connected with the fifth gear.
In order to test the vibration conditions of different road surfaces, it is preferable that the test assembly is a plurality of test strips with different sizes, a plurality of slots are arranged on the surface of the test wheel, an inserting strip is fixedly connected to the bottom of each test strip, and the test strips are inserted into the slots through the inserting strips.
Compared with the prior art, the invention provides a vibration testing device capable of adjusting the posture of an automobile, which has the following beneficial effects:
1. this vibration testing arrangement of adjustable car gesture, at the test procedure, according to the test demand, through gesture guiding mechanism, can adjust the car gesture in a flexible way, when testing out the car and being in the upslope or downhill path, the vibration range of different positions to and when the test car is in different gesture vibrations, the damage degree of car front and rear wheel tire.
2. This vibration testing arrangement of adjustable car gesture with the anterior and the elasticity gasbag of car with paste mutually can effectively prevent the car, the emergence accident in the testing process improves the security to and through mobilizable removal frame, the convenience that the car removed before having improved the test.
3. This vibration testing arrangement of adjustable car gesture through changing the test strip of equidimension not on the four wheel bottom test wheels of car respectively, can obtain the slope gesture of multiple car to measure under being in different states, the vibration condition and the tire wear condition of car.
Drawings
FIG. 1 is a schematic structural diagram of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 2 is a schematic structural diagram of a box of the vibration testing device capable of adjusting the posture of the vehicle according to the present invention;
FIG. 3 is a schematic structural diagram of an elastic airbag of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 4 is a schematic structural diagram of a motor of a vibration testing device capable of adjusting the posture of an automobile according to the present invention;
FIG. 5 is a schematic structural diagram of a belt of the vibration testing device capable of adjusting the posture of the vehicle according to the present invention;
FIG. 6 is a side view of a test wheel of a vibration testing apparatus for adjusting the attitude of a vehicle according to the present invention;
fig. 7 is a side view of a supporting shaft of a vibration testing device capable of adjusting the posture of an automobile according to the present invention.
In the figure: 1. a base plate; 101. a box body; 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 thread block; 402. a connecting rod; 5. a drive motor; 501. a first gear; 502. a first linear motor; 503. a second gear; 504. a third gear; 6. a driving wheel; 601. a driven wheel; 602. a belt; 603. a second support plate; 604. a second linear motor; 605. a limiting cylinder; 606. a tension wheel; 7. a first drop-off prevention cover; 701. fixing the rod; 702. a second drop-proof cover; 8. a third threaded rod; 801. a fourth gear; 802. a third linear motor; 803. a fifth gear; 804. a movable frame; 9. a first slider; 901. a contact plate; 902. a third support plate; 903. a threaded 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. and (3) testing the strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-7, 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 located 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 body 101 and a horizontal distance adjusting mechanism connected at the lifting end of the lifting mechanism and extending out of the top of the box body 101.
The back shaft 201 is two of symmetrical design, and connects respectively at two regulation ends of horizontal interval adjustment mechanism, all rotates on every back shaft 201 to be connected with two test wheels 202, connects through the bearing between back shaft 201 and the test wheel 202, is equipped with the test subassembly on the test wheel 202.
During testing, the front wheel and the rear wheel of the automobile are respectively placed on the testing wheels 202 on the front box body 101 and the rear box body 101, the automobile is started, the automobile wheels rotate on the testing wheels 202, meanwhile, the testing wheels 202 are driven to rotate, the automobile is kept in a relatively static state, and the automobile vibrates through the testing assembly.
The lifting mechanism and the horizontal distance adjusting mechanism are independently driven by the same driving source, and the driving source can respectively and independently drive the lifting mechanism and the horizontal distance adjusting mechanism.
The test device also comprises a contact plate 901 which is used for testing the vibration amplitude along with the up-and-down vibration of the automobile at any time, and the vibration amplitude of the automobile is tested through the vibrating contact plate 901; the box 101 is one in front and back, and the front and back wheels of the automobile are respectively placed between the two corresponding test wheels 202.
During testing, the automobile is driven to bump up and down under the action of the testing component on the testing wheel 202, and then the bumping amplitude is tested through the contact plate 901.
The box 101 is one in front and back, and the front wheel and the back wheel of car are placed respectively between two corresponding test wheels 202, can be according to actual test demand, through elevating system and horizontal interval adjustment mechanism, can adjust the slope gesture of car in a flexible way.
Example 2:
referring to fig. 1-7, on the basis of example 1, further,
the embodiment discloses an elevating system, elevating system is including rotating second threaded rod 4 of connection at box 101 inner wall, second threaded rod 4 is double thread, both ends screw thread is to opposite, two screw thread blocks 401 of threaded connection on second threaded rod 4, the threaded connection of two screw thread blocks 401 symmetry respectively revolves to opposite 4 both ends of second threaded rod, sliding connection is at the lifter plate 3 of box 101 inner wall from top to bottom, 3 bottom swivelling joint of lifter plate has two connecting rods 402 of symmetrical design, the one end that lifter plate 3 was kept away from to every connecting rod 402 is rotated respectively and is connected on the screw thread block 401 that corresponds, second threaded rod 4 passes through the drive source drive and rotates, when second threaded rod 4 rotates, two screw thread blocks 401 are respectively with the same speed to opposite direction removal simultaneously.
When the heights of the two test wheels 202 need to be adjusted, the driving source drives the second threaded rod 4 to rotate, so that the two threaded blocks 401 respectively move in opposite directions at the same speed, the lifting plate 3 is pushed to move on the inner wall of the box body 101 through the connecting rod 402, and the heights of the two test wheels 202 are adjusted.
By independently adjusting the heights of the two testing wheels 202 at the bottom of the front wheel and the rear wheel of the automobile respectively, the vibration condition of the automobile can be simulated when the automobile goes up a slope or down a slope, and the tire wear conditions of the front wheel and the rear wheel can be compared after the vibration test is finished.
The lifting mechanism can also directly push the lifting plate 3 to lift through the electric telescopic rod, so that the lifting mechanism is realized.
Example 3:
referring to fig. 1-7, on the basis of example 2, further,
the embodiment discloses a horizontal spacing adjustment mechanism, horizontal spacing adjustment mechanism is including rotating first threaded rod 301 of connection on lifter plate 3, first threaded rod 301 is the double-threaded rod, both ends screw thread is to opposite soon, and two first backup pad 2 of threaded connection on first threaded rod 301, the threaded connection of two first backup pad 2 difference symmetries is to opposite first threaded rod 301 both ends soon, two back shafts 201 of symmetry design are connected respectively on two first backup pad 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 drive source drive.
The top of the box 101 is provided with a sliding groove, and the first supporting plate 2 slides in the sliding groove.
According to the size of automobile wheel, when the interval of two test wheels 202 needs to be adjusted, the first threaded rod 301 is driven to rotate by the driving source, so that the two first supporting plates 2 move in opposite directions at the same speed respectively, and the purpose of adjusting the interval of the two test wheels 202 is achieved.
Through the positive and negative rotation of first threaded rod 301, control the moving direction of two first backup pads 2, when two first backup pads 2 relative movement, the interval diminishes, is fit for small-size wheel, and when two first backup pads 2 moved back on the back, the interval grow is fit for large-size wheel.
The horizontal distance adjusting mechanism can also be realized by respectively pushing the first supporting plates 2 to move through the two electric telescopic rods.
The bottom of the first supporting plate 2 can be provided with a roller which is attached to the upper surface of the lifting plate 3, and the rolling roller can reduce the friction force when the first supporting plate 2 moves and improve the stability.
Example 4:
referring to fig. 1-7, on the basis of example 3, further,
the driving source is the driving motor 5 connected to the side wall of the box 101, the output end of the driving motor 5 is fixedly connected with a first gear 501 and a driving wheel 6, the second threaded rod 4 extends out of one end of the box 101 and is fixedly connected with a third gear 504, the side wall of the box 101 is connected with a first linear motor 502 and a second supporting plate 603, the output end of the first linear motor 502 is rotatably connected with a second gear 503, the one end of the first threaded rod 301 extending out of the box 101 is fixedly connected with a driven wheel 601, a belt 602 is connected between the driving wheel 6 and the driven wheel 601, the side wall of the second supporting plate 603 is fixedly connected with a second linear motor 604, and the output end of the second linear motor 604 is rotatably connected with a tension wheel 606 for tensioning the belt 602.
The second gear 503 is separable from, and engageable with, the first gear 501 and the third gear 504, and are both helical gears.
When it is necessary to individually adjust the heights of the two test wheels 202 by the elevating mechanism, the first linear motor 502 is activated to engage the second gear 503 with the first gear 501 and the third gear 504, and then the driving motor 5 is activated.
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 testing wheels 202 are adjusted, and the two testing wheels 202 are lifted and lowered through the forward and reverse rotation of the driving motor 5.
After the adjustment is completed, the driving motor 5 stops operating, and the first linear motor 502 is retracted to separate the second gear 503 from the first gear 501 and the third gear 504.
When it is desired to adjust the spacing between the two test wheels 202 by means of the horizontal spacing adjustment mechanism, the second linear motor 604 is activated, the belt 602 is kicked up by means of the tensioning wheel 606, and then the drive motor 5 is activated.
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 testing wheels 202 is achieved, and the distance between the two testing wheels 202 is increased and decreased through the forward and reverse rotation of the driving motor 5.
After the adjustment is completed, the driving motor 5 stops working, and retracts to the second linear motor 604, so that the belt 602 is loosened and cannot transmit power, and interference and failure of working are prevented when the heights of the two testing wheels 202 are independently adjusted through the lifting mechanism.
During testing, the distance and height between the two testing wheels 202 at the bottom of the front wheel or the rear wheel can be flexibly adjusted according to actual requirements and the size of the automobile wheel.
When the automobile is in a tilting state in order to simulate an ascending slope or a descending slope, the distance between the two test wheels 202 on the lower side of the wheels can be relatively adjusted to be wider, and 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, the first anticreep cover 7 of fixedly connected with on bottom plate 1, first anticreep cover 7 cover is connected on action wheel 6 and rotates with driving motor 5's output, fixedly connected with dead lever 701 on lifter plate 3, the one end fixedly connected with second anticreep cover 702 that dead lever 701 extends box 101, second anticreep cover 702 overlaps on following driving wheel 601 and rotates with first threaded rod 301 to be connected, the spacing section of thick bamboo 605 of output fixedly connected with of second linear electric motor 604, 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 adjusting two test wheel 202 heights alone through elevating system, belt 602 is in the lax state, overlap on action wheel 6 through first anticreep cover 7, can prevent effectively that belt 602 from droing from action wheel 6, and in the same way, through second anticreep cover 702, can prevent effectively that belt 602 from droing from driving wheel 601, second anticreep cover 702 passes through dead lever 701 fixed connection on lifter plate 3, make first threaded rod 301 and second anticreep cover 702 can be along with lifter plate 3 synchronous motion, keep relative stillness, relative distance is unchangeable, therefore, second anticreep cover 702 can be along with the removal from driving wheel 601 synchronous motion.
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 it can be effectively ensured that when the second linear motor 604 is started, the tensioning wheel 606 can ensure that the belt 602 is tightly pedaled to transmit power.
Example 6:
referring to fig. 1-7, on the basis of example 5, further,
the bottom plate 1 is connected with the movable frame 804, the movable frame 804 is connected with a first slider 9 in a sliding mode, the movable frame 804 is provided with a slide way, the first slider 9 slides in the slide way, the contact plate 901 is fixed on the side wall of the first slider 9, the contact plate 901 is attached to the bottom of an automobile, the contact plate 901 and the bottom of the contact plate are fixedly connected with a vibration sensor capable of recording 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.
When the automobile vibrates, under the counterforce of the first spring 906, the contact plate 901 can vibrate with the automobile at all times and is attached to the bottom of the automobile at all times, 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 can be judged.
Contact plates 901 are arranged at the front and the rear of the automobile, so that the vibration amplitude of the front and the rear of the automobile can be judged.
The vibration amplitude of the automobile is compared with the size of the test component, and the damping capacity of the automobile can be judged.
In the automobile, for example, the front and rear seats and the steering wheel can be fixed with vibration sensors 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,
a threaded sleeve 903 is rotatably connected onto the third supporting plate 902, a fourth threaded rod 904 is connected to the threaded sleeve 903 in a threaded mode, and an adjusting plate 905 is fixedly connected to one end, penetrating through the third supporting plate 902, of the fourth threaded rod 904 and extending to the top of the third supporting plate 902.
The end of the first spring 906 away from the contact plate 901 is connected to the third supporting plate 902, instead, the end of the first spring 906 away from the contact plate 901 is connected to the adjusting plate 905.
A guide bar is fixedly connected to the third supporting plate 902, and the adjusting plate 905 slides on the guide bar.
According to different automobile models, the height of the bottom of the contact plate 901 can be different, and according to different automobile models, in order to ensure that the contact plate 901 is attached to the bottom of the automobile at any time, the first spring 906 also has a certain reverse acting force, so that the height of the contact plate 901 needs to be flexibly adjusted according to different automobile models to adapt to different automobile models.
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, so that the adjusting plate 905 is driven to move, the adjusting plate 905 drives the contact plate 901 to move through the first spring 906, and the purpose of adjusting the height of the contact plate 901 is achieved.
When the contact plate 901 moves, the first slider 9 is synchronously driven to slide in the slide way.
The contact plate 901 is further raised or lowered by forward and reverse rotation of the threaded sleeve 903.
Example 8:
referring to fig. 1-7, based on example 7, further,
the movable frame 804 positioned on one side of the front wheel of the automobile is also connected with a second slide block 10 in a sliding manner, the side wall of the second slide 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 flexible bladder 1003 may be inflated and deflated manually, and when inflated, expands in volume.
Before the test, the automobile is moved to the box body 101, before the automobile running test is started, the elastic air bag 1003 is inflated manually, the volume of the inflated elastic air bag 1003 is expanded and is attached to the front face of the automobile, and then the test is carried out after the automobile is started.
During the test, when the auto wheel drove test wheel 202 and rotates, for box 101, can produce the potential energy of a forward motion, paste with the car front face through elasticity gasbag 1003, the potential energy transmits to concave type board 1002 and second spring 1001 through elasticity gasbag 1003 on, extrudees second spring 1001, stores the potential energy in second spring 1001, prevents that the car from moving forward, drops from box 101.
After the test is completed, the flexible bladder 1003 is deflated manually.
Example 9:
referring to fig. 1-7, on the basis of example 8, further,
the movable connection of the movable frame 804 on the bottom plate 1, the threaded connection of the movable frame 804 has a third threaded rod 8, 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, the side wall of the box body 101 is connected with a third linear motor 802, and the output end of the third linear motor 802 is rotatably connected with a fifth gear 803.
The fifth gear 803 is separable from and engageable with the first gear 501 and the fourth gear 801, and is a helical gear.
Before and after the test, when the automobile is moved, in order to prevent the moving frames 804 at the two ends from blocking the movement of the automobile, the moving frames 804 at the two ends can be moved away when the automobile is moved, so that the automobile can be conveniently moved.
When the moving frame 804 is moved, the third linear motor 802 is started to engage the fifth gear 803 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, move the movable frame 804 away, and move all the components on the movable frame 804 away.
The movable frame 804 can be moved away or moved over by the forward and reverse rotation of the driving motor 5.
When the movable frame 804 moves, the third supporting plate 902 can slide in the box 101 to ensure stability, and the movable frame 804 can be provided with rollers which contact with the bottom plate to reduce friction force during movement.
After the completion of the movement, the driving motor 5 stops operating, and retracts the third linear motor 802 to separate 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, the surface of the test wheel 202 is provided with a plurality of slots 11 with 4-10 numbers, the bottom of each test strip 1102 is fixedly connected with a plug 1101, the test strips 1102 are inserted into the slots 11 through the plug 1101, and the number of the test strips 1102 is determined according to the number of the slots 11.
The test component is designed to be detachable, can be detached from the slot 11, and can be inserted with test strips 1102 of different sizes according to different test requirements for testing.
According to the requirements, the test wheels 202 at the bottoms of the front wheels and the rear wheels of the automobile can be inserted with test strips 1102 of different sizes to simulate the vibration of the front wheels and the rear wheels in different amplitudes, or the test wheels 202 at the bottoms of the four wheels of the automobile can be respectively inserted with test strips 1102 of different sizes to simulate the vibration of the four wheels in different amplitudes, and the vibration condition and the tire wear condition under different states can be flexibly tested by matching with the adjustment of the automobile posture.
All the linear motors can be replaced by air cylinders, and the gears are rotatably connected to the output ends of the air cylinders.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A vibration testing device capable of adjusting the posture of an automobile comprises a box body (101) and is characterized in that,
the support shaft (201) is positioned at the top of the box body (101) and 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 supporting shafts (201) are symmetrically designed and are respectively connected to two adjusting ends of the horizontal distance adjusting mechanism, each supporting shaft (201) is rotatably connected with two testing wheels (202), and each testing wheel (202) is provided with a testing assembly;
the lifting mechanism and the horizontal distance adjusting mechanism are driven independently by the same driving source;
the test device also comprises a contact plate (901) which is used for testing the vibration amplitude and constantly vibrates up and down along with the automobile;
the box body (101) is arranged at the front and the rear, and the front wheel and the rear wheel of the automobile are respectively placed between the two corresponding testing wheels (202).
2. The vibration testing device capable of adjusting the automobile posture according to claim 1, wherein the lifting mechanism comprises a second threaded rod (4) rotatably connected to the inner wall of the box body (101), two threaded blocks (401) screwed on the second threaded rod (4), and a lifting plate (3) vertically slidably connected to the inner wall of the box body (101), two connecting rods (402) symmetrically designed are rotatably connected to the bottom of the lifting plate (3), one end of each connecting rod (402) far away from the lifting plate (3) is respectively rotatably connected to the corresponding threaded block (401), and the second threaded rod (4) is driven by the driving source.
3. The vibration testing device capable of adjusting the posture of the automobile according to claim 2, wherein the horizontal distance adjusting mechanism comprises a first threaded rod (301) rotatably connected to the lifting plate (3) and two first supporting plates (2) screwed on the first threaded rod (301), the two symmetrically designed supporting shafts (201) are respectively connected to the two first supporting plates (2), and the first threaded rod (301) is driven by the driving source.
4. The vibration testing device capable of adjusting the automobile posture according to claim 3, wherein the driving source is a driving motor (5) connected to the side wall of the box body (101), the output end of the driving motor (5) is connected with a first gear (501) and a driving wheel (6), one end of the second threaded rod (4) extending out of the box body (101) is fixedly connected with a third gear (504), the side wall of the box body (101) is connected with a first linear motor (502) and a second supporting plate (603), the output end of the first linear motor (502) is rotatably connected with a second gear (503), one end of the first threaded rod (301) extending out of the box body (101) is fixedly connected with a driven wheel (601), a belt (602) is connected between the driving wheel (6) and the driven wheel (601), and the side wall of the second supporting plate (603) is connected with a second linear motor (604), the output end of the second linear motor (604) is rotatably connected with a tension wheel (606) for tensioning a belt (602).
5. The vibration testing device capable of adjusting the posture of the automobile according to claim 4, further comprising a base plate (1), the box body (101) is fixed on the bottom plate (1), the bottom plate (1) is fixedly connected with a first anti-drop cover (7), the first anti-drop cover (7) is sleeved on the driving wheel (6) and is rotationally connected with the output end of the driving motor (5), a fixed rod (701) is fixedly connected to the lifting plate (3), a second anti-drop cover (702) is fixedly connected to one end of the fixed rod (701) extending out of the box body (101), the second anti-drop cover (702) is sleeved on the driven wheel (601) and is rotationally connected with the first threaded rod (301), the output end of the second linear motor (604) is fixedly connected with a limiting cylinder (605), the tensioning wheel (606) rotates in the limiting cylinder (605), and the belt (602) penetrates through the limiting cylinder (605).
6. The vibration testing device capable of adjusting the automobile posture according to claim 5, characterized in that a moving frame (804) is connected to the bottom plate (1), a first slider (9) is connected to the moving frame (804) in a sliding manner, the contact plate (901) is fixed to a side wall of the first slider (9), the contact plate (901) is attached to the bottom of the automobile, a vibration sensor capable of recording vibration amplitude is fixedly connected to the bottom of the automobile, a third supporting plate (902) is fixedly connected to a side wall of the moving frame (804), and a first spring (906) is connected between the third supporting plate (902) and the contact plate (901).
7. The vibration testing device capable of adjusting the automobile posture according to claim 6, wherein a threaded sleeve (903) is rotatably connected to the third supporting 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 supporting plate (902) and extends to one end of the top of the third supporting plate (902) to be fixedly connected with an adjusting plate (905), and one end, away from the contact plate (901), of the first spring (906) is connected with the adjusting plate (905).
8. The vibration testing device capable of adjusting the automobile posture according to claim 6, characterized in that a second sliding block (10) is further connected to the moving frame (804) on one side of the automobile front wheel in a sliding manner, a second spring (1001) is fixedly connected to the side wall of the second sliding block (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).
9. The vibration testing device capable of adjusting the automobile posture according to claim 6, wherein the moving frame (804) is movably connected to the bottom plate (1), a third threaded rod (8) is connected to the moving 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 an output end of the third linear motor (802) is rotatably connected to a fifth gear (803).
10. The vibration testing device capable of adjusting the automobile posture according to any one of claims 1-9, wherein the testing component is a plurality of test strips (1102) with different sizes, a plurality of slots (11) are arranged on the surface of the testing wheel (202), a plug strip (1101) is fixedly connected to the bottom of each test strip (1102), and the test strips (1102) are plugged into the slots (11) through the plug strips (1101).
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 true CN114112263A (en) | 2022-03-01 |
| CN114112263B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791049A (en) * | 2023-02-17 | 2023-03-14 | 江苏永成汽车零部件股份有限公司 | Automobile side wall vibration test device |
| CN116818245A (en) * | 2023-08-28 | 2023-09-29 | 山东金彭新能源科技有限公司 | Automobile cantilever beam detection table |
| CN117091788A (en) * | 2023-10-18 | 2023-11-21 | 江苏速利达机车有限公司 | Frame vibration test bench |
| CN117191417A (en) * | 2023-08-17 | 2023-12-08 | 江苏晶福实业有限公司 | Testing device for bump performance of vehicle |
| CN117589410A (en) * | 2024-01-18 | 2024-02-23 | 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 (17)
| 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 |
| US20190331556A1 (en) * | 2016-12-21 | 2019-10-31 | Aip Gmbh & Co. Kg | Device for testing vehicles |
| 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 |
-
2021
- 2021-11-19 CN CN202111374562.9A patent/CN114112263B/en active Active
Patent Citations (17)
| 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 |
| US20190331556A1 (en) * | 2016-12-21 | 2019-10-31 | Aip Gmbh & Co. Kg | Device for testing vehicles |
| 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 |
|---|
| 徐进军;陈钊;: "基于整车姿态测量的汽车前束测试", 现代机械, no. 04, pages 22 - 23 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791049A (en) * | 2023-02-17 | 2023-03-14 | 江苏永成汽车零部件股份有限公司 | Automobile side wall vibration test device |
| CN117191417A (en) * | 2023-08-17 | 2023-12-08 | 江苏晶福实业有限公司 | Testing device for bump performance of vehicle |
| 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 |
| CN116818245A (en) * | 2023-08-28 | 2023-09-29 | 山东金彭新能源科技有限公司 | Automobile cantilever beam detection table |
| 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 |
| CN117091788A (en) * | 2023-10-18 | 2023-11-21 | 江苏速利达机车有限公司 | Frame vibration test bench |
| CN117091788B (en) * | 2023-10-18 | 2023-12-22 | 江苏速利达机车有限公司 | Frame vibration test bench |
| CN117589410A (en) * | 2024-01-18 | 2024-02-23 | 江苏永成汽车零部件股份有限公司 | Automobile door inner decoration plate vibration simulation test system |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114112263B (en) | 2023-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114112263A (en) | Vibration testing device capable of adjusting automobile posture | |
| CN202921705U (en) | FPCB (Flexible Printed Circuit Board) punching machine controlled by using servo motor | |
| CN209986911U (en) | Automobile part turnover device | |
| CN111851177B (en) | Intercity high-speed railway overhauls equipment | |
| CN114395867B (en) | Lifting transmission device of sewing machine frame | |
| CN215748399U (en) | Tire clamping device | |
| CN212617141U (en) | High-speed camera carrying device | |
| CN109079832B (en) | Full-automatic triangular rubber core ring unloading and page turning device matched with robot | |
| CN219483491U (en) | Automobile tire pressure testing machine | |
| CN114088415A (en) | Automobile vibration testing device | |
| CN218341768U (en) | Polishing device | |
| CN221339888U (en) | Environment-friendly carton printing device | |
| CN216747476U (en) | Color printing packaging pattern detection device | |
| CN221272303U (en) | Pneumatic rotary marking mechanism | |
| CN220922395U (en) | Creeper truck for automobile maintenance | |
| JPH1159516A (en) | Tire installation device | |
| CN220084296U (en) | Road guardrail detection device that shocks resistance | |
| CN215747524U (en) | Hydraulic jacking team roller carrier | |
| CN216409941U (en) | Portable target drone | |
| CN216662359U (en) | Adjustable-pitch medium-sized tire holding lifter | |
| CN221250185U (en) | Printing equipment | |
| CN117548889B (en) | Urban rail head skin welding equipment | |
| CN217224322U (en) | Hydraulic translation type roller frame | |
| CN219005182U (en) | Assembly machine of swing arm ball head assembly | |
| CN219608395U (en) | Automatic pneumatic fatigue control device |
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 |