CN212585992U

CN212585992U - Vehicle test equipment capable of steering simulation

Info

Publication number: CN212585992U
Application number: CN202021507960.4U
Authority: CN
Inventors: 关明义; 张亚军; 边帅
Original assignee: Beijing Bbk Test Systems Co ltd
Current assignee: Beijing Bbk Test Systems Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-23
Anticipated expiration: 2030-07-27

Abstract

The application provides a vehicle test device capable of steering simulation, which comprises a dynamometer, wherein the dynamometer is fixed on a device support, a steering simulation wheel is arranged behind the dynamometer, the steering simulation wheel is connected with a driving device through a transmission device, and a force sensor is arranged on the driving device; wherein the driving device is electrically connected with the first rotation angle measuring device; the utility model relates to a vehicle running resistance simulation device, which is additionally provided with a steering simulation wheel with a drive on the basis of a dynamometer, the wheel can rotate along the circumference along the direction of the motion tangent line of the dynamometer when steering, and the resistance or the aligning force is applied to the dynamometer according to the aligning force of a vehicle tire on the road surface; the utility model has the advantages of it is following: the simulation of the steering force can be accurate; the device can adapt to different vehicle types and grounds; and the slipping phenomenon possibly occurring in the test process can be judged and processed.

Description

Vehicle test equipment capable of steering simulation

Technical Field

The application relates to the technical field of automobile testing, in particular to a vehicle testing device capable of steering simulation.

Background

When a vehicle runs and turns on a road surface, a steering wheel can receive component force of the advancing direction of the vehicle to wheel resistance, namely aligning force, but in the vehicle test process of a shaft coupling dynamometer laboratory at present, when the vehicle actively rotates a steering wheel, a dynamometer body can move along with the steering wheel, at the moment, the dynamometer only receives friction resistance between the dynamometer and the bottom surface in the steering direction, the stress condition of the wheel at the moment can not be simulated, and therefore the test can not completely reflect the state of a steering system of the vehicle under the steering working condition in the test process.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the above-mentioned prior art, this application provides a can turn to vehicle test equipment of simulation, for a vehicle resistance analog device that traveles, the utility model discloses increased one on the basis of dynamometer machine and had driven simulation wheel that turns to, this wheel can be according to the dynamometer machine motion tangential direction when turning to along the circumference rotation, and the power of going back that receives on the road surface according to the vehicle tire is applyed the resistance or is gone back the normal force for the dynamometer machine, the utility model discloses not only can simulate the resistance of traveling of vehicle under different speed and acceleration in the laboratory, the road surface resistance that the wheel received when can also simulating the vehicle and turn and control wheel speed difference.

A vehicle test device capable of steering simulation comprises a dynamometer, wherein the dynamometer is fixed on a device support, a steering simulation wheel is arranged behind the dynamometer and is connected with a driving device through a transmission device, and a sensor is arranged on the driving device; wherein the driving device is electrically connected with the first rotation angle measuring device.

And a shock absorber is arranged on the equipment support.

And a movable handle is arranged at the bottom of the dynamometer.

And a second rotation angle measuring device is arranged on the dynamometer.

The equipment support comprises a front support, the front support is connected with a rear support, the front support comprises a stand column, a shock absorber is connected to the stand column, the other end of the shock absorber is connected with the rear support, and a front roller is arranged on the front support.

The bottom of rear support is equipped with the back gyro wheel, and is specific, the back gyro wheel is installed the other end of third horizontal pole, fourth horizontal pole.

The front idler wheel is a directional wheel, and the rear idler wheel is a universal adjustable caster wheel.

The front support comprises a first cross rod and a second cross rod, a front connecting rod is arranged between the first cross rod and the second cross rod, a first upright post is arranged on the first cross rod, and a second upright post is arranged on the second cross rod; the rear support comprises a third cross bar and a fourth cross bar, wherein a first upright post is connected with one end of the third cross bar, and the fourth cross bar is connected with a second upright post; a first shock absorber is hinged to the third cross rod, the other end of the first shock absorber is hinged to the first cross rod, the first cross rod is perpendicular to the first upright, a second shock absorber is hinged to the fourth cross rod, the other end of the second shock absorber is hinged to the second cross rod, and the second cross rod is perpendicular to the second upright; be equipped with first back connecting portion between third horizontal pole and the fourth horizontal pole, the simulation race has been seted up on the first back connecting portion, turn to the simulation wheel and arrange the simulation race in, turn to simulation wheel and ground contact, transmission fixes on the first back connecting portion, the one end of first horizontal pole, second horizontal pole all is equipped with preceding gyro wheel.

All be equipped with first stiffener between first stand and horizontal pole first, second stand and the horizontal pole second, can connect through modes such as threaded connection, welding.

The front support comprises a first cross rod and a second cross rod, a front connecting rod is arranged between the first cross rod and the second cross rod, the rear support comprises a third cross rod and a fourth cross rod, a first rear connecting part is arranged between the third cross rod and the fourth cross rod, a simulation wheel groove is formed in the first rear connecting part, the steering simulation wheel is arranged in the simulation wheel groove, the simulation wheel is in contact with the ground, and the transmission device is fixed on the first rear connecting part; one end of the third cross rod is connected with the first cross rod through a pin shaft, and one end of the fourth cross rod is connected with the second cross rod through a pin shaft; the first cross rod and the third cross rod are provided with first shock absorbers, and the second cross rod and the fourth cross rod are provided with second shock absorbers; the one end of first horizontal pole, second horizontal pole all is equipped with preceding gyro wheel, the other end of third horizontal pole, fourth horizontal pole is equipped with the back gyro wheel respectively.

And reinforcing rods are arranged between the first cross rod and the connecting rod and between the second cross rod and the connecting rod.

The dynamometer comprises a hub adapter, the hub adapter is connected with a connecting shaft, the connecting shaft is connected with a motor through a coupler, an axial force isolation device is arranged on the outer side of the hub adapter and connected with a motor flange, the other end of the motor flange is connected with a motor shell, the axial force isolation device is fixed on an equipment support, and a roller is arranged at the bottom of the equipment support; the dynamometer sensor is fixed below the axial force isolation device and connected with a motor shell, and the dynamometer sensor is HBM S9M in model number.

Due to the adoption of the technical scheme, compared with the prior art, the utility model provides the vehicle test equipment capable of steering simulation, which can simulate the aligning force applied to the vehicle during the turning of the vehicle, so that the vehicle can simulate the working process of the vehicle steering mechanism more truly in the laboratory test process; the utility model has the advantages of it is following:

(1) the simulation of the steering force is accurate;

(2) the device can adapt to different vehicle types and grounds;

(3) judging and processing a slipping phenomenon possibly occurring in the test process;

drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view from another angle of the present invention;

fig. 3 is a schematic structural view of the bottom view of the present invention;

fig. 4 is a top view of the present invention;

FIG. 5 is a schematic structural view of an equipment stand according to the first embodiment;

FIG. 6 is a schematic structural view of an apparatus stand according to the second embodiment;

reference numerals:

1. dynamometer 2, steering simulation wheel 3, transmission device 4 and driving device

5. Driving wheel 6, transmission belt 7, driven wheel 8 and second rotation angle measuring device

9. Hub adapter 10, axial force isolation device 11, motor flange 12 and motor shell

13. Sensor housing 14, equipment support 15, shock absorber 16, front support

17. Rear support 18, upright post 19, first cross bar 20 and second cross bar

21. Front connecting rod 22, first upright 23, second upright 24 and third cross rod

25. A fourth cross bar 26, a first damper 27, a second damper 28, a first rear connecting portion

29. Simulated wheel groove 30, cross bar I31, cross bar II 32 and front roller

33. First reinforcing rod 34, rear roller 35, reinforcing rod 36 and movable handle

37. A force sensor.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be noted that the embodiments described herein are only for illustrating and explaining the present invention, and are not to be construed as limiting the present invention.

Example 1:

as shown in fig. 1 to 4, a vehicle testing device capable of steering simulation comprises a dynamometer 1, wherein the dynamometer 1 is fixed on a device support 14, a steering simulation wheel 2 is arranged behind the dynamometer 1, the steering simulation wheel 2 is connected with a driving device 4 through a transmission device 3, and a force sensor is arranged on the driving device; wherein the driving device 4 is electrically connected to a first angle measuring device (not shown in the figure); specifically, the driving device 4 is preferably a speed reducing motor, the type of the motor is preferably SIEMENS 1PH8, the steering simulation wheel 2 is made of rubber tires, the surface friction force is increased, and the slipping with the ground in the test process is avoided; the transmission device 3 adopts a synchronous belt transmission system, the height of the steering simulation wheel 2 and the ground can be conveniently adjusted to adapt to different ground and vehicle types, specifically, the synchronous belt transmission system comprises a driving wheel 5, the driving wheel 5 is connected with a speed reducing motor, the driving wheel 5 is connected with a driven wheel 7 through a transmission belt 6, the driven wheel 7 is connected with the steering simulation wheel 2, wherein the driving device 4 is connected with a first rotation angle measuring device, the first rotation angle measuring device adopts an encoder, the type of the encoder is preferably kubler sendix 5000, the encoder is used for judging the rotation angle of the steering simulation wheel 2, the rotation angle between the dynamometer 1 and the vehicle body to be tested is directly obtained through the vehicle, the rotation angle of the steering simulation wheel 2 measured by the encoder, the rotation angle between the dynamometer 1 obtained from the vehicle and the vehicle body to be tested are used for judging whether the steering simulation quantity has slipped or not, when the two angles are consistent, judging that the steering simulation wheel 2 does not slip, and when the two angles are inconsistent, indicating that the phenomenon of slipping occurs, performing algorithm compensation or re-testing; as a preferable scheme, when the vehicle cannot directly acquire the rotation angle between the dynamometer 1 and the vehicle body to be tested, a second rotation angle measuring device 8 is arranged on the dynamometer 1, preferably, the second rotation angle measuring device 8 is a rotation angle measuring instrument, the type of the rotation angle measuring instrument is preferably wenglor OY2P303a0135, specifically, the rotation angle measuring instrument 8 is mounted on the rigid equipment support 14 and is used for measuring the rotation angle between the dynamometer 1 and the vehicle body to be tested, whether the steering simulation quantity slips or not is judged according to the two angles, when the two angles are consistent, it is judged that the steering simulation wheel 2 does not slip, and when the two angles are inconsistent, it is judged that the slip phenomenon occurs, and algorithm compensation or re-test is required; the output shaft of the driving device 4 is provided with a force sensor 37, preferably, the model of the axial force sensor is Interface SSM-AJ, and the force sensor is used for measuring the driving force of the speed reduction motor to the steering simulation wheel 2.

As a preferable scheme, the shock absorber 15 is arranged on the equipment support 14, when the equipment support 14 is subjected to constant external force, the wheel can be tilted outwards or inwards in the actual operation process of the test vehicle, because the equipment support 14 is rigid, after the equipment is installed, huge bending moment can be generated for a vehicle transmission shaft and the hub adapter 9, and then the equipment or the vehicle is damaged, and the shock absorber 15 is adopted, so that the bending moment generated by partial unbalance loading of the motor can be overcome no matter the wheel is tilted outwards or inwards, and the damage of the equipment or the vehicle is avoided.

As a preferred solution, specifically, the dynamometer 1 includes a hub adapter 9, the hub adapter 9 is connected to a connecting shaft (not shown) by means of screw connection or welding, the connecting shaft is connected to a motor (not shown) by means of a coupling (not shown), that is, the connecting shaft is connected to a rotor of the motor by means of the coupling, wherein an axial force isolation device 10 is disposed outside the connecting shaft, the axial force isolation device 10 is connected to a motor flange 11, the axial force isolation device 10 is connected to the motor flange 11 by means of screws, the other end of the motor flange 11 is connected to a motor housing 12, the motor housing 12 is a stator of the motor, the motor flange 11 is connected to the motor housing 12 by means of screws, the motor is fixed in the motor housing 12, and the specific fixing manner is not specifically limited by the present invention, such as welding, threaded connection, etc.; as a preferable scheme, in order to prolong the service life of the dynamometer sensor, the dynamometer sensor is arranged in the axial force isolation device 10, specifically, the axial force isolation device 10 includes a sensor housing 13, the sensor housing 13 and the axial force isolation device 10 are fixed by means of threaded connection, welding and the like, and the axial force isolation device 10 is fixed on the equipment support 14 by means of threaded connection, welding and the like; the bottom of the equipment support 14 is provided with a roller; the hub adapter 9 is mainly used for replacing wheels, is connected with a test vehicle, is used for being connected with a vehicle transmission shaft or a related transmission part, transmitting power or resistance, and can also be used for supporting the test vehicle, and the hub adapter 9 needs to be customized due to different test vehicles; the dynamometer sensor is used for measuring the real output torque of the motor, through the comparison with theoretical loading force, form a closed-loop control, the real simulation tests the running resistance of the vehicle, the axial force isolating device 10 is mainly used for overcoming the axial force to the test equipment produced in the test vehicle steering test, or other test processes, avoid damaging the motor, the axial force isolating device 10 is set up in the outside of the connecting axle, its bottom is connected with sensor housing 13, the bottom of the sensor housing 13 is fixedly connected with apparatus support 14, in this scheme, can also regard axial force isolating device 10 and sensor housing 13 as an integral whole axial force isolating device 10, concrete choice according to the technician confirms, the utility model discloses do not do the concrete restriction; one end of the axial force isolation device 10 is provided with a hub adapter 9 extending out, and the other end of the axial force isolation device 10 is connected with a motor flange 11; the motor flange 11 is used for connecting the axial force isolation device 10 and a motor, and the motor is in a cantilever state; the motor is used in the vehicle test process, the resistance of a road, wind, a transmission system and the like to the vehicle is simulated, the test vehicle is loaded, various performance tests are carried out on the vehicle, and the vehicle brake force and other experiments can be carried out to a certain extent or full inertia simulation according to the power of the motor; the equipment support 14 is an installation foundation for the axial force isolation device 10, the coupler, the motor and other parts, and the axial force isolation device 10 is fixed on the equipment support 14; more specifically, the axial force isolation device comprises an isolation support, the isolation support is an installation foundation of the axial force isolation device, other constituent elements and the motor, a mounting hole is formed in one end of the isolation support, the connecting shaft is arranged in the isolation support, and the hub adapter extends out of the mounting hole and is used for being connected with a test vehicle; a sensor shell 13 is arranged below the isolation support, a dynamometer sensor is arranged in the sensor shell 13, and the dynamometer sensor shell 13 is connected with the isolation support in a threaded connection mode and the like; the sensor shell 13 is fixedly connected with the front connecting rod 21, such as welding, riveting, threaded connection and the like; a pair of bearings, preferably tapered roller bearings, are arranged between the isolation support and the connecting shaft, the tapered roller bearings are used for eliminating axial force generated in the test process and protecting the motor, and the bearings can also be the combination of other types of bearings which can bear radial force and axial force; more preferably, in order to prevent the connecting shaft from moving, the connecting shaft is provided with a lock nut, and other structures such as a shaft shoulder, a shaft collar and the like can be adopted, which are not described in detail herein; more preferably, the one end of keeping apart the support and being close to the test vehicle is equipped with the end cover, and the end cover is convenient to be dismantled for keep apart the bearing chamber, be used for preventing dust, avoid more dust, impurity etc. to fall into on the bearing, avoid bearing and lubricating grease to receive the pollution and then take place to damage, increase the life of bearing, furtherly, the setting of end cover has also constituted the installation carrier of sealing washer, be equipped with the sealing washer between end cover and the wheel hub adapter, the sealing washer adopt prior art the sealing washer can, the utility model discloses do not specifically prescribe a limit to, if: v-arrangement ring, labyrinth seal circle, linoleum sealing washer etc. the sealing washer is further dustproof, avoids bearing and lubricating grease to receive the pollution and then takes place to damage.

As a preferred scheme, it is specific, equipment support 14 includes fore-stock 16, be equipped with stand 18 on the fore-stock, stand 18 is connected with after-poppet 17 through modes such as round pin axle, threaded connection, welding, be connected with bumper shock absorber 15 on the after-poppet 17, bumper shock absorber 15 is preferred oil gas bumper shock absorber, adopts the oil gas mixture bumper shock absorber among the prior art all can, the utility model discloses do not concrete the injecing to this, if: the oil-gas mixed shock absorber is 9571-ATV 2019; the shock absorber 15 is connected with the upright post 18 through a cross rod; more specifically, the front bracket 16 includes a first cross bar 19 and a second cross bar 20, a front connecting rod 21 is arranged between the first cross bar 19 and the second cross bar 20, the first cross bar 19 and the front connecting rod 21, and the second cross bar 20 and the front connecting rod 21 are connected by means of screw thread connection, welding, etc., and the specific connection mode is not limited in the present invention, and the technician can select the first cross bar 19 specifically according to the specific situation, and the first upright column 22 is arranged on the first cross bar 19, and the second upright column 23 is arranged on the second cross bar 20, and similarly, the first upright column 22 and the first cross bar 19, and the second upright column 23 and the second cross bar 20 can be connected by means of screw thread connection, welding, etc.; the rear support 17 comprises a third cross bar 24 and a fourth cross bar 25, one end of the third cross bar 24 is connected with the first upright post 22 through a pin shaft, a threaded connection or welding mode, and the like, and one end of the fourth cross bar 25 is connected with the second upright post 23 through a pin shaft, a threaded connection or welding mode, and the like; a first shock absorber 26 is hinged to the third cross bar 24, the other end of the first shock absorber 26 is hinged to a first cross bar 30, the first cross bar 30 is perpendicular to the first upright post 22, the first cross bar 30 and the first upright post 22 can be connected in a welding mode and the like, the first shock absorber 26 is parallel to the first upright post 22, a second shock absorber 27 is hinged to the fourth cross bar 25, the other end of the second shock absorber 27 is hinged to a second cross bar 31, the second cross bar 31 is perpendicular to the second upright post 23, the second cross bar 31 and the second upright post 23 can be connected in a welding mode and the like, and the second shock absorber 27 is parallel to the second upright post 23; the shock absorber 15 is used for overcoming the vibration of the motor in the test process and avoiding the damage of the motor, the equipment bracket and other related parts, the first shock absorber 26 and the second shock absorber 27 are of the same type, are respectively connected with the front bracket 16 and the rear bracket 17 in the same form, are in a compression state during installation and have a proper amount of pretightening force on the equipment bracket 14; when the equipment support 14 is subjected to constant external force, the equipment support 14, the ground and the ground form a stable triangle, a wheel can be inclined outwards or inwards in the actual operation process of a test vehicle, the equipment support 14 is rigid, and after the equipment is installed, huge bending moment can be generated for a vehicle transmission shaft and a hub adapter 9, so that the equipment or the vehicle is damaged; a first rear connecting portion 28 is arranged between the third cross bar 24 and the fourth cross bar 25, the first rear connecting portion 28 is connected with the third cross bar 24 and the fourth cross bar 25 in a threaded connection mode, a welding mode and the like, a simulation wheel groove 29 is formed in the first rear connecting portion 28, the width of the simulation wheel groove 29 is larger than or equal to the width of the steering simulation wheel 2, the length of the simulation wheel groove 29 is larger than or equal to the diameter of the steering simulation wheel 2, the steering simulation wheel 2 is arranged in the simulation wheel groove 29, the steering simulation wheel 2 is in contact with the ground, the transmission device is fixed on the first rear connecting portion 28 and fixed through bolts and the like; one end of each of the first cross bar 19 and the second cross bar 20 is provided with a front roller 32; more preferably, a first reinforcing rod 33 is arranged between the first upright 22 and the first cross bar 30, and between the second upright 23 and the second cross bar 31, and can be connected through threaded connection, welding and the like; the rotation angle measuring instrument 8 is arranged at one end of the first cross rod 30 and one end of the second cross rod 31.

As a preferable scheme, the bottom of the rear bracket 17 is provided with a rear roller 34, specifically, the rear roller 34 is respectively installed on the third cross bar 24 and the fourth cross bar 25, the front roller 32 is a directional wheel, and the rear roller 34 is a universal adjustable caster; the adjustable caster wheel can prevent the equipment from sliding when the equipment is not used, so that the stability of the equipment is enhanced.

As a preferable scheme, reinforcing rods 35 are arranged between the first cross rod 19 and the front connecting rod 21 and between the second cross rod 20 and the front connecting rod 21, so that the strength of the equipment support 14 is enhanced, and the reinforcing rods 25 can be connected with the first cross rod 19 and the second cross rod 20 through welding, threaded connection and the like.

As a preferable scheme, in order to facilitate the movement of the present invention, the bottom of the dynamometer 1 is provided with a moving handle 36, the moving handle 36 is fixed with the motor housing 12 by welding, screwing, or the like, and the worker can apply force more easily by moving the handle 36, so that the device can be pushed more easily.

Preferably, in order to make the operation of the device smoother, the bottom of the dynamometer is provided with rollers.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that the structure of the equipment support 14 and the installation form of the shock absorber 15 are different, specifically, the equipment support 14 includes a front support 16, the front support 16 is connected with a rear support 17 through a pin, the front support 16 includes a column 18, the shock absorber 15 is connected to the column 18, the shock absorber 15 is preferably an oil-gas shock absorber, and the oil-gas hybrid shock absorber in the prior art can be adopted, and the present invention does not specifically limit this, such as: the oil-gas mixed shock absorber is 9571-ATV 2019; the other end of the shock absorber 15 is connected with the rear bracket 17; more specifically, the front bracket 16 includes a first cross bar 19 and a second cross bar 20, a front connecting rod 21 is arranged between the first cross bar 19 and the second cross bar 20, the first cross bar 20 and the front connecting rod 21, and the second cross bar 20 and the front connecting rod 21 are connected by means of screw thread connection, welding, etc., and the specific connection mode is not limited in the present invention, and the technician can select the first cross bar 22 and the second cross bar 20 according to the specific situation, and similarly, the first upright 22 and the first cross bar 19, and the second upright 23 and the second cross bar 20 can be connected by means of screw thread connection, welding, etc.; the rear support 17 comprises a third cross bar 24 and a fourth cross bar 25, one end of the third cross bar 24 is connected with the first cross bar 19 through a pin shaft, and one end of the fourth cross bar 25 is connected with the second cross bar 20 through a pin shaft; the third cross bar 24 is hinged with a first shock absorber 26, the other end of the first shock absorber 26 is hinged with the first upright post 22, the fourth cross bar 25 is hinged with a second shock absorber 27, the other end of the second shock absorber 27 is hinged with the second upright post 23, the shock absorber 15 is used for overcoming the vibration of a motor in the test process and avoiding the damage of related parts such as the motor and an equipment bracket, the first shock absorber 26 and the second shock absorber 27 are of the same type and are respectively connected with the front bracket 16 and the rear bracket 17 in the same form, and are in a compression state during installation, and have a proper amount of pre-tightening force on the equipment bracket 14; when the equipment support 14 is subjected to constant external force, the equipment support 14, the ground and the ground form a stable triangle, a wheel of a test vehicle has outward inclination or inward inclination in the actual operation process, the equipment support 14 is rigid, and after the equipment is installed, huge bending moment can be generated for a vehicle transmission shaft and a hub adapter 9, so that the equipment or the vehicle is damaged; a first rear connecting portion 28 is arranged between the third cross bar 24 and the fourth cross bar 25, the first rear connecting portion 28 is connected with the third cross bar 24 and the fourth cross bar 25 in a threaded connection mode, a welding mode and the like, a simulation wheel groove 29 is formed in the first rear connecting portion 28, the width of the simulation wheel groove 29 is larger than or equal to the width of the steering simulation wheel 2, the length of the simulation wheel groove 29 is larger than or equal to the diameter of the steering simulation wheel 2, the steering simulation wheel 2 is arranged in the simulation wheel groove 29, the steering simulation wheel 2 is in contact with the ground, the transmission device is fixed on the first rear connecting portion 28 and fixed through bolts and the like; the rotation angle measuring instrument 8 is mounted on the first upright column 22 and the second upright column 23.

The utility model provides a can turn to vehicle test equipment of simulation, specifically be a can turn to a steering effort analogue means of axle coupling test equipment, it provides the power that the tire received when turning to through turning to the simulation wheel, no matter how change at the center of turning to, turn to the simulation wheel and can move along the tangential direction with rotatory route all the time, the gesture that does not need the wheel is adjusted can the accuracy and is applyed drive power, transmission system is hold-in range structure, need adjust the simulation wheel height according to the motorcycle type or when adjusting the initial pressure between simulation wheel and ground according to the ground condition, transmission system can adjust the action wheel as required and follow the distance between the driving wheel.

In conclusion, due to the adoption of the technical scheme, compared with the prior art, the application provides the vehicle test equipment capable of steering simulation, the utility model discloses can simulate the vehicle and receive aligning force when turning, make the vehicle can carry out more real simulation to the working process of vehicle steering mechanism in the laboratory test process; the utility model discloses can judge and handle the skidding phenomenon that probably appears in the test process to the motorcycle type and ground of the simulation accuracy of steering force, adaptable difference, very simple and convenient, and efficient.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the scope of protection of the present invention.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present application will not be described separately.

In addition, any combination of the various embodiments of the present application can be made, and the present application should be considered as disclosed in the present application as long as the combination does not depart from the spirit of the present application.

Claims

1. A vehicle test device capable of steering simulation comprises a dynamometer, wherein the dynamometer is fixed on a device support, and is characterized in that a steering simulation wheel is arranged behind the dynamometer and is connected with a driving device through a transmission device, and a force sensor is arranged on the driving device; wherein the driving device is electrically connected with the first rotation angle measuring device.

2. A steerable simulated vehicle test apparatus as claimed in claim 1, wherein a shock absorber is provided on the apparatus mount.

3. A steerable simulated vehicle test apparatus as claimed in claim 2, wherein a second rotation angle measuring device is provided on the dynamometer.

4. A steerable simulated vehicle test apparatus as claimed in claim 3, wherein the dynamometer is provided with a moving handle at its base.

5. A steerable simulated vehicle testing device according to any of claims 1 to 4, wherein the device mount comprises a front mount, the front mount is connected to a rear mount, the front mount comprises a column, a shock absorber is connected to the column, the other end of the shock absorber is connected to the rear mount, and front rollers are provided on the front mount.

6. A steerable simulated vehicle testing device according to claim 5, wherein the bottom of the rear support is provided with rear rollers.

7. The steerable simulated vehicle testing device of claim 6, wherein the front support comprises a first cross bar and a second cross bar, a front connecting rod is arranged between the first cross bar and the second cross bar, a first upright is arranged on the first cross bar, and a second upright is arranged on the second cross bar; the rear support comprises a third cross bar and a fourth cross bar, wherein a first upright post is connected with one end of the third cross bar, and the fourth cross bar is connected with a second upright post; a first shock absorber is hinged to the third cross rod, the other end of the first shock absorber is hinged to the first cross rod, the first cross rod is perpendicular to the first upright, a second shock absorber is hinged to the fourth cross rod, the other end of the second shock absorber is hinged to the second cross rod, and the second cross rod is perpendicular to the second upright; be equipped with first back connecting portion between third horizontal pole and the fourth horizontal pole, the simulation race has been seted up on the connecting portion of first back, turn to the simulation wheel and arrange the simulation race in, turn to simulation wheel and ground contact, transmission fixes on the connecting portion of first back, the one end of first horizontal pole, second horizontal pole all is equipped with preceding gyro wheel, be equipped with the back gyro wheel on third horizontal pole, the fourth horizontal pole.

8. The steerable simulated vehicle testing device of claim 6, wherein the front bracket comprises a first cross bar and a second cross bar, a front connecting rod is arranged between the first cross bar and the second cross bar, the rear bracket comprises a third cross bar and a fourth cross bar, a first rear connecting portion is arranged between the third cross bar and the fourth cross bar, a simulated wheel groove is formed in the first rear connecting portion, the steering simulated wheel is arranged in the simulated wheel groove, the simulated wheel is in contact with the ground, and the transmission device is fixed on the first rear connecting portion; one end of the third cross rod is connected with the first cross rod through a pin shaft, and one end of the fourth cross rod is connected with the second cross rod through a pin shaft; the first cross rod and the third cross rod are provided with first shock absorbers, and the second cross rod and the fourth cross rod are provided with second shock absorbers; the one end of first horizontal pole, second horizontal pole all is equipped with preceding gyro wheel, the other end of third horizontal pole, fourth horizontal pole is equipped with the back gyro wheel respectively.

9. The vehicle testing equipment capable of steering simulation according to claim 7, wherein the dynamometer comprises a hub adapter, the hub adapter is connected with a connecting shaft, the connecting shaft is connected with a motor through a coupler, an axial force isolation device is arranged on the outer side of the hub adapter, the axial force isolation device is connected with a motor flange, the other end of the motor flange is connected with a motor shell, the axial force isolation device is fixed on an equipment support, and a roller is arranged at the bottom of the equipment support; wherein the dynamometer sensor is fixed below the axial force isolation device.

10. The vehicle testing equipment capable of steering simulation according to claim 8, wherein the dynamometer comprises a hub adapter, the hub adapter is connected with a connecting shaft, the connecting shaft is connected with a motor through a coupler, an axial force isolation device is arranged on the outer side of the hub adapter, the axial force isolation device is connected with a motor flange, the other end of the motor flange is connected with a motor shell, the axial force isolation device is fixed on an equipment support, and a roller is arranged at the bottom of the equipment support; wherein the dynamometer sensor is fixed below the axial force isolation device.