CN111307475B - A kind of vehicle steering performance testing device - Google Patents
A kind of vehicle steering performance testing device Download PDFInfo
- Publication number
- CN111307475B CN111307475B CN201911310743.8A CN201911310743A CN111307475B CN 111307475 B CN111307475 B CN 111307475B CN 201911310743 A CN201911310743 A CN 201911310743A CN 111307475 B CN111307475 B CN 111307475B
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- Prior art keywords
- steering performance
- automobile
- hydraulic cylinder
- testing device
- vehicle steering
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000011056 performance test Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an automobile steering performance testing device which comprises a chassis and a testing table arranged above the chassis, wherein the testing table is connected with the chassis through a lifting mechanism, a rotating device is arranged on the testing table and is opposite to the testing table, an automobile supporting structure and a testing structure are respectively arranged on two sides of the rotating device, the rotating device comprises a rotating shaft arranged on the surface of the testing table and a lantern ring sleeved on the outer wall of the rotating shaft, the automobile supporting structure comprises a first hydraulic cylinder fixed on one side of the lantern ring, a connecting block is arranged on one side, far away from the lantern ring, of the first hydraulic cylinder, a second hydraulic cylinder is fixed on the upper surface of the connecting block, a top plate is arranged at the top end of the second hydraulic cylinder, a guide wheel is arranged on the lower surface of the supporting structure and is in contact with the testing table, the testing structure comprises a connecting rod fixedly arranged on one side of the rotating device, and a material containing box is arranged on the connecting rod. The automobile steering performance testing device can accurately test the steering performance of the automobile, is simple to operate, and is suitable for automobile detection of different automobile types.
Description
Technical Field
The invention relates to the technical field of intelligent driving automobiles, in particular to an automobile steering performance testing device.
Background
When the automobile steering wheel is turned, the turning angle of the steering wheel is mastered according to the turning requirement, the steering wheel is prevented from being rotated at a large angle in the turning process, braking during turning, particularly emergency braking, is avoided as much as possible, and therefore the danger of side turning can occur. If the front wheel sideslips during steering, the accelerator pedal should be lifted and the steering wheel should be rotated in the opposite direction, if the rear wheel sideslips, the steering wheel should be properly rotated along the steering direction, and after the sideslips are stopped, the running direction is corrected. During running, the driver needs to pay attention to the straight running vehicle, the steering collar needs to wait for the straight running vehicle to pass before steering, and the driver needs to pay attention to the movement of other vehicles, bicycles and pedestrians so as to ensure safety.
Some automobiles fail, the automobiles are difficult to accurately steer when steering, some of the automobiles can not steer enough, some of the automobiles can steer excessively, some of the automobiles can not steer other faults, the existing automobile steering wheel testing machine is generally used for detecting the steering performance of the automobiles, some data of the detection needs to be statistically analyzed, the steering performance is only detected in a static state of the automobiles, the steering performance is not intuitively observed in a driving state of the automobiles, and the operation is complex.
Disclosure of Invention
In order to solve the technical problems, the invention provides the automobile steering performance testing device, which enables automobile steering to be carried out under dynamic state, can accurately test the steering performance of the automobile, is simple to operate, and is suitable for automobile detection of different automobile types.
The technical scheme for solving the problems is as follows:
the provided automobile steering performance testing device comprises a chassis and a testing table arranged above the chassis, wherein the testing table is connected with the chassis through a lifting mechanism, a rotating device is arranged on the testing table relative to the testing table, and an automobile supporting structure and a testing structure are respectively arranged on two sides of the rotating device;
the rotating device comprises a rotating shaft arranged on the surface of the test bench and a lantern ring sleeved on the outer wall of the rotating shaft;
The automobile supporting structure comprises a first hydraulic cylinder fixed on one side of a lantern ring, a connecting block is arranged on one side, far away from the lantern ring, of the first hydraulic cylinder, a second hydraulic cylinder is fixed on the upper surface of the connecting block, and a top plate is arranged at the top end of the second hydraulic cylinder;
The test structure comprises a connecting rod fixedly arranged on one side of the rotating device, and a material containing box is arranged on the connecting rod.
According to the automobile steering performance testing device, the chassis and the testing platform are driven to move up and down relatively through hydraulic drive, the testing platform can be lifted up and down relatively to the chassis, the rotating device is arranged on the testing platform, the supporting structures and the testing structures are arranged on the two sides of the rotating device, the wheels of an automobile which are not required to be measured are lifted up through the supporting parts, the wheels which are tested to steer are driven to steer through the rotating device, and the steering performance of the automobile is tested to detect. The automobile steering performance testing device disclosed by the invention can be suitable for various automobiles, is simple to operate, has visual testing results, and can be widely popularized.
Further, the lifting mechanism is a third hydraulic cylinder arranged in the middle of the upper surface of the chassis.
The first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are all electric hydraulic cylinders.
Further, the rotating shaft is driven by a motor arranged on the upper surface of the test bench, and the model of the motor is Y180M-2. The purpose of pivot is the rotation that is convenient for adjust testing arrangement's position, conveniently lifts whole vehicle.
Furthermore, the guide wheel is of a universal wheel structure, and a baffle is welded at the top end of the rotating shaft. The shaft and collar are fixedly connected, such as by welding. In order to prevent potential safety hazards caused by relative axial movement of two words of a rotating shaft and a lantern ring caused by welding cracking and the like when the automobile steering performance testing device is operated, a baffle is welded at the top end of the rotating shaft, and the baffle has the function of preventing the lantern ring from falling out of the rotating shaft when the lantern ring moves in an axial direction.
Further, the material containing box is arranged on two sides of the connecting rod in a straddling mode, a feeding hole is formed in the top surface of the material containing box, discharging holes are uniformly formed in the bottom surface of the material containing box, and the diameter of each discharging hole is 1-3mm. The sand soil test bench is circumferentially arranged by starting the motor to enable the whole rotating shaft to rotate one circle after sand soil is placed in the material containing box on the test bench.
Furthermore, connecting strips are symmetrically welded on the side face of the material containing box, and the connecting strips are fastened with the connecting rods through screws.
Further, mounting plates are symmetrically arranged in front and back of the lantern ring, and illuminating lamps are uniformly arranged on the surfaces of the mounting plates.
Further, the mounting plate is of a hollow arc structure, a circuit board connected with the illuminating lamp in series is arranged in the arc structure, and the circuit board is connected with a nearby power supply.
Further, a fourth hydraulic cylinder is arranged between the mounting plate and the lantern ring.
Further, the test bench is a supporting disc with a circumferential inclined surface structure, annular marks are printed on the upper surface of the supporting disc, and the diameter range of the supporting disc is 4-8m.
Compared with the prior art, the invention has the beneficial effects that:
The invention can lift the supporting disc by using the arrangement of the third hydraulic cylinder, is convenient for opening the automobile to the supporting disc by arranging the circumference of the supporting disc into an inclined plane, is convenient for detecting the steering performance of the automobile, can drive the lantern ring to rotate by driving the motor, can pull the automobile to carry out circumferential running, and realizes the detection of the steering of the automobile when the automobile runs, thereby being more visual.
The top plate is conveniently supported on the cross beam between the rear wheels of the automobile through the cooperation of the first hydraulic cylinder and the second hydraulic cylinder, so that the jacking support of the rear wheels of the automobile is realized, and the automobile is pulled; the test bench is printed with a circular ring mark, so that whether the front wheels of the automobile coincide with the mark or not when the front wheels of the automobile turn is convenient to observe the steering condition of the front wheels of the automobile, the test bench is provided with the material containing box, the material containing box is filled with the material containing box, soil is scattered on the supporting plate, then the front wheels of the automobile are rolled through the front wheel pair, marks can be printed when the front wheels of the automobile rotate and run on the supporting plate, the steering condition of the front wheels of the automobile can be intuitively known, and the test bench is provided with the illuminating lamp, so that the illumination is convenient, the condition on the supporting plate can be conveniently and clearly observed when the test is carried out, and the detection of the steering performance of the automobile is realized.
The invention reasonably utilizes the driving of the motor to pull the automobile to rotate circumferentially, and then utilizes the containing box to contain the automobile, so that marks on the running of the wheels of the automobile can be directly printed on the supporting plate, visual observation of the steering performance of the automobile is conveniently realized, and the invention has the advantages of reasonable design, convenient operation, safety and reliability.
Drawings
Fig. 1 is a schematic structural diagram of an automobile steering performance testing device according to the present invention.
Fig. 2 is a plan view of the device for testing the steering performance of the automobile.
Fig. 3 is a bottom view of the bin according to the invention.
Wherein, the reference numerals indicate: 1, chassis, 2, testboard, 3, connecting rod, 4, connecting strip, 5, flourishing workbin, 6, lantern ring, 7, pivot, 8, baffle, 9, mounting panel, 10, light, 11, first pneumatic cylinder, 12, roof, 13, second pneumatic cylinder, 14, connecting block, 15, guide pulley, 16, third pneumatic cylinder, 17, motor, 18, fourth pneumatic cylinder, 19, feed inlet, 20, discharge opening.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent, and certain components of the drawings may be omitted, enlarged or reduced in order to better illustrate the present embodiments, and do not represent the actual product size, and it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention. The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1-3, the automobile steering performance testing device of the embodiment comprises a chassis 1 and a test bench 2 arranged above the chassis 1, wherein the test bench 2 is connected with the chassis 1 through a lifting mechanism, the test bench 2 is a supporting plate with a circumferential inclined surface structure, the upper surface of the supporting plate is printed with a circular mark, the diameter range of the supporting plate is 4-8m, the diameter of the outer ring of the supporting plate is 8m, and the inclined surface and the horizontal surface form an angle of 20 degrees. The lifting mechanism is a third hydraulic cylinder 16 arranged in the middle of the upper surface of the chassis 1, a rotating device is arranged on the test table 2 relative to the test table 2, and an automobile supporting structure and a test structure are respectively arranged on two sides of the rotating device.
Specifically, rotary device includes the pivot 7 of setting at test bench 2 upper surface by motor 17 drive and overlaps and establish the lantern ring 6 at the outer wall and pivot fixed connection of pivot 7, and lantern ring 6 can weld the outer wall at pivot 7, also can with pivot 7 interference fit. The motor in the embodiment is selected to be Y180M-2. The top end of the rotating shaft 7 is also welded with a baffle plate 8 for preventing the lantern ring from moving in the axial direction.
Further, mounting plates 9 with hollow arc structures are symmetrically arranged on the front side and the rear side of the lantern ring 6, and illuminating lamps 10 are uniformly arranged on the surfaces of the mounting plates 9. The arc structure is internally provided with a circuit board connected in series with the illuminating lamp 10, and the circuit board is connected with a nearby power supply. And a fourth hydraulic cylinder 18 is mounted between the mounting plate 9 and the collar 6.
The automobile supporting structure comprises a first hydraulic cylinder 11 fixed on one side of a lantern ring 6, a connecting block 14 is arranged on one side, away from the lantern ring 6, of the first hydraulic cylinder 11, a second hydraulic cylinder 13 is fixed on the upper surface of the connecting block 14, a top plate 12 is arranged at the top end of the second hydraulic cylinder 13, the positions of the tops of each vehicle are different due to different model brands, but the position which can be lifted by jacking is arranged on a chassis 1 for maintenance. This location is generally near the rear wheel's rear beam and the roof panel 12 in this embodiment is in this position where it can be lifted up.
The lower surface of bearing structure is equipped with guide pulley 15, and guide pulley 15 contacts with testboard 2, and guide pulley 15 is the universal wheel structure in this embodiment, and first pneumatic cylinder 11, second pneumatic cylinder 13 and third pneumatic cylinder 16 are electric pneumatic cylinder.
The testing structure comprises a connecting rod 3 fixedly arranged on one side of the rotating device, and a material containing box 5 is arranged on the connecting rod 3. Specifically, connecting strips 4 are symmetrically welded on the side face of the material containing box 5, and the connecting strips 4 are fastened with the connecting rods 3 through screws. The material containing box 5 spans on two sides of the connecting rod 3, the top surface of the material containing box 5 is provided with a material inlet 19, and the bottom surface of the material containing box is uniformly provided with material outlet holes 20. The diameter of the discharge hole 20 is 1-3mm. The discharge holes 20 in the holding box 5 are for circumferential placement on the test bench 2. After being placed in the material containing box 5, the motor is started to rotate for one circle, and the test board 2 can be well arranged in the circumferential direction.
The automobile steering performance testing device can be placed in a trench of a workshop or directly buried in the ground, so that the whole testing device is fixed. When the chassis 1 is buried underground, the vertical height of the part of the testing device exposed out of the ground is lower than the height from the chassis to the ground, and the arrangement can ensure that the automobile can drive to the testing device without rubbing the chassis. When placed in the ditches of the workshops, the height of the whole ditches is slightly higher than that of the automobile steering performance testing device or the height of the whole ditches is equal to that of the whole automobile steering performance testing device.
The operation steps are as follows: when the steering performance of the automobile is required to be tested, the device is used in an automobile maintenance workshop, the chassis 1 is buried underground, then the first hydraulic cylinder 11, the second hydraulic cylinder 13, the third hydraulic cylinder 16, the motor 17 and the illuminating lamp 10 are connected with nearby power supplies, the switch of the third hydraulic cylinder 16 is turned on, the lifting of the third hydraulic cylinder 16 is controlled, the supporting plate is lowered, the circumference of the supporting plate is of an inclined surface structure, so that the automobile can conveniently run on the supporting plate, a driver can get off the automobile, the third hydraulic cylinder 16 is controlled again for convenient observation, the supporting plate is lifted, the switch of the motor 17 is turned on at the moment, the motor 17 drives the rotating shaft 7 to rotate, the lantern ring 6 is driven to rotate circumferentially, the first hydraulic cylinder 11 rotates in a following way through the guiding of the guide wheel 15, the top plate 12 rotates to the lower part of the automobile rear beam at the bottom of the automobile, then the motor 17 is turned off, the switch of the second hydraulic cylinder 13 is turned on, the second hydraulic cylinder 13 is used for supporting the top plate 12, then the automobile is jacked, the rear wheel of the automobile leaves the supporting plate, the front wheel contacts the supporting plate, sand and soil are filled in the material containing box 5 through the feeding hole 19 in advance, the sand and soil can leak onto the supporting plate through the discharging hole 20, then the switch of the motor 17 is turned on, the motor 17 drives the rotating shaft 7 to rotate, the lantern ring 6 is rotated, the automobile is pulled to rotate on the supporting plate to perform circumferential rotation, when the automobile rotates, the front wheel of the automobile turns to roll and is scattered on the supporting plate, the track of the automobile running is presented on the supporting plate, meanwhile, the supporting plate is printed with circular marks, the comparison is performed, whether the running path of the automobile is stable or not is observed, and when the light is darker, turning on the switch of the illumination lamp 10 will illuminate and will be easier for the user to observe.
The positional relationship described in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent. It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310743.8A CN111307475B (en) | 2019-12-18 | 2019-12-18 | A kind of vehicle steering performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310743.8A CN111307475B (en) | 2019-12-18 | 2019-12-18 | A kind of vehicle steering performance testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111307475A CN111307475A (en) | 2020-06-19 |
| CN111307475B true CN111307475B (en) | 2025-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911310743.8A Active CN111307475B (en) | 2019-12-18 | 2019-12-18 | A kind of vehicle steering performance testing device |
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| CN (1) | CN111307475B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211085706U (en) * | 2019-12-18 | 2020-07-24 | 湖南汽车工程职业学院 | A vehicle steering performance testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007006041A1 (en) * | 2006-12-22 | 2008-06-26 | Daimler Ag | Method for testing steering system of vehicle, during steering movement of vehicle against barrier, particularly curbstone, involves supporting curbstone adapter serving as barrier and is moved against vehicle |
| CN203502239U (en) * | 2013-10-08 | 2014-03-26 | 长安大学 | Researching, developing and performance-testing platform for automobile power steering system |
| CN207556880U (en) * | 2017-11-10 | 2018-06-29 | 奥测世纪（天津）技术有限公司 | A kind of multiple road conditions automobile steering system test platform |
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- 2019-12-18 CN CN201911310743.8A patent/CN111307475B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211085706U (en) * | 2019-12-18 | 2020-07-24 | 湖南汽车工程职业学院 | A vehicle steering performance testing device |
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| CN111307475A (en) | 2020-06-19 |
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