CN217765515U - Table type multi-vehicle-type self-adaptive device for spacing between stop wheels of automobile - Google Patents

Abstract

The utility model discloses a multi-vehicle type self-adapting device for the distance between the front wheels and the rear wheels of an automobile table, which comprises a distance measuring mechanism for the distance between the outer sides of the front wheels and the rear wheels, and the distance between the front wheels and the rear wheels is adjusted by combining with a distance adjusting mechanism for the distance between the front wheels and the rear wheels so as to meet the requirements of different vehicle types; the four-gear wheel adjusting mechanism is respectively connected with the front ends of the front roller testing mechanism and the rear roller testing mechanism; the lifting and inclining platform is connected to the top end of the rotary lifting and inclining mechanism; variable pitch formula accredited testing organization, including preceding cylinder accredited testing organization, rear drum accredited testing organization and flexible drive arrangement, be provided with the guide rail on the lift tilt platform, preceding cylinder accredited testing organization connects on the guide rail, and rear drum accredited testing organization connects in lift tilt platform upside, and flexible drive arrangement connects in preceding cylinder accredited testing organization one side, and preceding cylinder accredited testing organization and rear drum accredited testing organization connect through flexible synchronous drive shifter. Compared with the prior art, the utility model discloses can carry out automatic identification and adjust vehicle catch wheel interval to different motorcycle types, improve detection efficiency and security.

Description

Table type multi-vehicle-type self-adaptive device for spacing between stop wheels of automobile

Technical Field

The utility model relates to a vehicle test technical field especially relates to a desk-top many motorcycle types self-adaptation device of catch wheel interval of car.

Background

Nowadays, automobiles become indispensable transportation means for every family, with the increase of automobile reserves, the safety of automobiles is concerned by people, and the braking performance of automobiles is one of the main performances of automobiles and is an important guarantee for safe driving of automobiles. The ABS system of the automobile can automatically adjust the braking process according to the running speed of the automobile and the slip rate of tires in the braking process to obtain the optimal braking effect, so that the detection of the braking performance of the automobile provided with the ABS is a problem to be solved at present.

Although the existing ABS detection platform, chassis dynamometer and counter-force type brake platform have catch wheels, the catch wheels are generally manual catch wheels at certain intervals, the positions of the catch wheels need to be manually adjusted when the vehicle type is changed, and potential safety hazards exist, so that the self-adaptive device for the multiple vehicle types at the distance between the desk type catch wheels of the automobile is needed to be provided to meet the requirements.

Disclosure of Invention

The utility model aims at providing a desk-top fender wheel interval multi-vehicle type self-adaptation device of car to solve the problem that above-mentioned prior art exists, wheel outside interval recognition function around can not only realizing multi-vehicle type fast still can keep off the wheel interval according to the automatic adjustment vehicle of discernment result, can satisfy the demand of different motorcycle types, improved the efficiency and the security that car ABS detected.

A desk-top catch wheel interval multi-vehicle type self-adaptation device of car includes:

the catch wheel distance measuring mechanism is arranged at a position 20 cm away from the ground, and one of the catch wheel distance measuring mechanism and the catch wheel distance measuring mechanism is fixedly arranged at a specific position and can measure the distance after the vehicle enters a specified position.

The four catch wheel adjusting mechanisms are respectively connected with the front ends of the front roller testing mechanism and the rear roller testing mechanism;

the rotary lifting and inclining mechanism is arranged on a foundation;

the lifting and inclining platform is connected to the top end of the rotary lifting and inclining mechanism;

the variable-pitch testing mechanism comprises a front roller testing mechanism, a rear roller testing mechanism and a telescopic driving device, a guide rail is arranged on the upper side of the lifting and inclining platform, the front roller testing mechanism is connected to the guide rail in a sliding mode, the rear roller testing mechanism is fixedly connected to the upper side of the lifting and inclining platform, the telescopic driving device is installed on the lifting and inclining platform and connected to one side of the front roller testing mechanism, the front roller testing mechanism and the rear roller testing mechanism are in transmission connection through a telescopic synchronous transmission switching mechanism, and the telescopic synchronous transmission switching mechanism is used for synchronous rotation of the front roller set and the rear roller set.

Further, fender wheel ranging mechanism, including a pair of infrared induction sensor, support frame, fender wheel ranging mechanism is at the position installation of 20 centimetres apart from ground, fender wheel ranging mechanism fixed mounting can measure at specific position after treating that the vehicle gets into the regulation position, fender wheel ranging mechanism passes through the cable and links to each other with the system of observing and controling.

Furthermore, the catch wheel adjusting mechanism comprises catch wheels, a catch wheel guide rail and a catch wheel driving device, the four catch wheel adjusting mechanisms are respectively connected with the front ends of the front roller testing mechanism and the rear roller testing mechanism, the catch wheels are connected with the front ends of the catch wheel driving devices, and the distance between the catch wheels is adjusted by sliding along the catch wheel guide rail.

Furthermore, the rotary lifting and inclining mechanism comprises a rotary mechanism and a lifting and inclining adjusting mechanism, the rotary mechanism is connected to the ground, and the lifting and inclining adjusting mechanism is connected to the top end of the rotary mechanism.

Further, rotary mechanism includes gear motor, outer toothed disc, rotary platform, supporting roller and rotation angle encoder, be provided with the ground rack on the ground, gear motor installs on the ground rack, outer toothed disc through rotary support bearing swivelling joint in on the ground rack, gear motor's power take off end passes through the gear box and is connected with outer toothed disc transmission, rotary platform connect in outer toothed disc top, supporting roller connect in the rotary platform bottom is located the outer toothed disc outside, rotation angle encoder install in on the ground rack and with gear box power is connected, rotation angle encoder is used for measuring through meshing gear box gear rotary platform rotation angle.

Furthermore, the lifting and inclining adjusting mechanism comprises a hydraulic cylinder and a joint bearing, one end of the hydraulic cylinder is hinged with the rotating platform through the joint bearing, and the other end of the hydraulic cylinder is hinged with the lifting and inclining platform through the joint bearing.

Further, the front roller testing mechanism comprises a front roller group main body frame, a front roller group frame and a front roller group, the front roller group main body frame is connected to the guide rail in a sliding mode, one side of the front roller group main body frame is connected with the telescopic driving device, the front roller group frame is installed on the front roller group main body frame, and the front roller group is installed on the front roller group frame.

Furthermore, the rear roller testing mechanism comprises a rear roller group main body frame, a rear roller group frame and a rear roller group, the rear roller group main body frame is installed on the lifting inclined platform, the rear roller group frame is installed on the rear roller group main body frame, and the rear roller group is installed on the rear roller group frame.

Furthermore, the telescopic synchronous transmission switching mechanism comprises a telescopic universal transmission shaft and T-shaped commutators, two groups of T-shaped commutators are arranged, one group of T-shaped commutators is in transmission connection with the front roller group, the other group of T-shaped commutators is in transmission connection with the rear roller group, and two ends of the telescopic universal transmission shaft are respectively connected with the two groups of T-shaped commutators.

Further, the variable pitch test mechanism further comprises lifters, the lifters are mounted between the front roller group and the front roller group rack, and between the rear roller group and the rear roller group rack, and the lifters are used for adjusting the wheels to ascend or descend.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a wheel outside interval around a pair of infrared inductive sensor measures the vehicle can realize contactless remote measurement, and is fast, and the precision is high, and the range is big, and anti light, electric interference ability are strong.

2. The utility model discloses a keep off wheel guiding mechanism automatically regulated and keep off the purpose of wheel interval in order to reach the different motorcycle types of adaptation.

3. The utility model discloses in through setting up preceding cylinder group main part frame, rear roller group main part frame, cylinder group main part frame guide rail, flexible universal drive shaft and flexible drive arrangement cooperation work, can realize relative movement between preceding, the rear roller group, and then guarantee the validity of adjustment wheel base.

4. The utility model discloses a simulation road heels and turns the traveling state under the scene, can not only simulate straight road conditions, still can simulate the road conditions when certain road transverse gradient reaches turning, can satisfy the demand of different detection projects.

Drawings

Fig. 1 is the utility model relates to a structure chart of catch wheel distance measuring mechanism in desk-top multi-vehicle type self-adaptation device of car catch wheel interval.

Fig. 2 is the utility model relates to a structure diagram of catch wheel guiding mechanism in the desk-top multi-vehicle type self-adaptation device of car catch wheel interval.

Fig. 3 is the utility model relates to a desk-top catch wheel interval multi-vehicle type self-adaptation device's of car elevation view.

Fig. 4 is the utility model discloses a desk-top catch wheel interval multi-vehicle type self-adaptation device's of car side view.

Fig. 5 is the utility model relates to a desk-top stop wheel interval multi-vehicle type self-adaptation device's of car plan view.

Wherein, in the figure:

1-foundation; 2-a rotating platform; 3-supporting the roller; 4-a foundation rack; 5-a slewing support bearing; 6-external gear disc; 7-a gear motor; 8-a rotating mechanism; 9-front roller group/rear roller group; 10-front roller group rack; 11-rear roller set frame; 12-front roller group main body frame; 13-rear roller group main body frame; 14-a lifting lateral inclination adjusting mechanism; 15-a rotation angle encoder; 16-a height sensor; 17-a guide rail; 18-telescopic drive means; 19-a hydraulic cylinder; 20-catch wheel; 21-a spherical plain bearing; 22-lifting a lateral inclined platform; 23-a monolithic gantry; 24-a telescopic universal transmission shaft; 25-a gearbox; 28-a primary drum; 29-a secondary drum; 35-a flywheel; 36-a freewheel clutch; 37-main drum sprocket; 38-secondary drum sprocket; 42-a sensing drum; a 44-T type commutator; 45-drum clutch; 46-a lifter; 47-infrared inductive sensor; 48-a support frame; 52-catch wheel guide 53-catch wheel drive; 100-rotating, lifting and tilting mechanism; 200-a variable pitch testing mechanism; 300-front roller testing mechanism; 400-rear roller testing mechanism; 500-telescoping synchronous drive conversion mechanism; 700-catch wheel distance measuring mechanism; 800-catch wheel adjusting mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

The embodiment of fig. 1 to 5 provides a multi-vehicle type adaptive device for the distance between the car desk type catch wheels, which comprises a catch wheel distance measuring mechanism 700, a catch wheel adjusting mechanism 800, a rotary lifting and tilting mechanism 100, a lifting and tilting platform 22 and a variable-pitch testing mechanism 200, wherein the catch wheel distance measuring mechanism 700 is installed at a position 20 cm away from the ground, the four catch wheel adjusting mechanism 800 is respectively connected with the front ends of the front roller testing mechanism 300 and the rear roller testing mechanism 400, and the catch wheel 20 is connected with the front end of the catch wheel driving device 53 and slides along the catch wheel guide rail 52 to adjust the distance between the catch wheel and the rear roller testing mechanism.

In this embodiment fender wheel ranging mechanism 700 includes a pair of infrared induction sensor 47, support frame 48, fender wheel ranging mechanism 700 is installed at the position 20 centimetres apart from ground, fender wheel ranging mechanism 700 passes through the cable and links to each other with measurement and control system, infrared induction sensor 47 is installed on the support frame 49, and its fender wheel ranging mechanism 700 fixed mounting can measure at specific position after treating that the vehicle gets into the regulation position. The distance between the pair of infrared induction sensors 47 is L, when the vehicle enters a specific position, the distance between the infrared induction sensor 47 on the left side and the front wheel on the left side of the vehicle is L1, the distance between the infrared induction sensor 47 on the right side and the front wheel on the right side of the vehicle is L2, and the distance between the infrared induction sensor 47 on the right side and the front wheel on the right side of the vehicle is L-L1-L2 through calculation. Similarly, the distance between the outer sides of the rear wheels of the vehicle at a specific position is also measured when the vehicle continues to run. After the outer side distances of the front wheels and the rear wheels of the vehicle are measured, when the vehicle drives into an ABS detection table, the catch wheel distance measuring mechanism 700 sends detected data to a system processor, the system sends the processed data to a control unit, and the control unit adjusts the distance between the front catch wheel 20 and the rear catch wheel 20 according to the outer side distances of the front wheels and the rear wheels of the vehicle to be detected, so that the catch wheel driving device 53 drives the catch wheel 20 to move on the catch wheel guide rail 52, and the self-adaptive catch wheel distance adjusting function is completed.

In this embodiment, the catch wheel adjusting mechanism 800 includes a catch wheel 20, a catch wheel guide rail 52 and a catch wheel driving device 53, the four catch wheel adjusting mechanism 800 is respectively connected with the front ends of the front roller testing mechanism 300 and the rear roller testing mechanism 400, and the catch wheel 20 is connected with the front end of the catch wheel driving device 53 and slides along the catch wheel guide rail 52 to adjust the distance therebetween. Preferably, in order to prevent the wheel guard adjusting mechanism 800 from being retracted after the front and rear wheels of the vehicle collide with each other, a self-locking device is provided to the wheel guard adjusting mechanism 800 to keep the wheel guard 20 fixed.

The rotary lifting and inclining mechanism 100 is arranged on a foundation 1, the lifting and inclining platform 22 is connected to the top end of the rotary lifting and inclining mechanism 100, and the variable-pitch testing mechanism 200 is connected to the top end of the lifting and inclining platform 22.

As optimization, a foundation rack 4 is arranged between the rotary lifting tilting mechanism 100 and the foundation 1, so that the foundation 1 can be effectively protected, and the service life of the foundation 1 is prolonged.

The rotary lifting and inclining mechanism 100 comprises a rotating mechanism 8 and a lifting and inclining adjusting mechanism 14, wherein the rotating mechanism 8 is connected to the foundation 1, and the lifting and inclining adjusting mechanism 14 is connected to the top end of the rotating mechanism 8.

Further, rotary mechanism 8 includes gear motor 7, outer gear dish 6, rotary platform 2, supporting roller 3 and rotation angle encoder 15, be provided with ground rack 4 on the ground 1, gear motor 7 installs on ground rack 4, outer gear dish 6 is through 5 swivelling joint on ground rack 4 of gyration support bearing, gear motor 7's power take off end passes through gear box 25 and is connected with outer gear dish 6 transmission, rotary platform 2 connect in 6 top of outer gear dish, supporting roller 3 connect in 2 bottom of rotary platform and lie in the 6 outsides of outer gear dish, rotation angle encoder 15 install in on the ground rack 4, rotation angle encoder 15 swivelling joint end is connected with drive gear, drive gear with the terminal gear of gear box 25 meshes mutually, rotation angle encoder 15 passes through the gear meshing transmission of drive gear with meshing gear box 25 for measure rotary platform 2's rotation angle.

In the present embodiment, the speed reduction motor 7 drives the rotary platform 2 to rotate clockwise or counterclockwise, the rotary mechanism 8 with the speed reduction motor can be replaced by another device having a rotary function, and the elevation and subsidence adjustment mechanism 14 with a hydraulic cylinder can be replaced by another device having an elevation and subsidence function.

As optimization, the supporting rollers 3 are internally made of steel with high strength, and rubber is wrapped outside the steel, so that the movement noise is reduced on the premise of high bearing capacity.

Further, the rotation angle encoder 15 is disposed on the foundation bed 4, and the rotation angle encoder 15 can measure a rotation angle of the transmission gear and obtain a rotation angle of the rotating platform 2 through conversion.

Further, a control unit is also provided, which is electrically connected to the rotation angle encoder 15 and the height sensor 16, respectively.

The control unit receives a rotation angle instruction input by an automobile steer-by-wire system, after calculation, the rotating platform 2 rotates clockwise or anticlockwise, angle signals of the front roller set main body frame 13 and the rear roller set main body frame 13 are measured through a rotation angle encoder 15, and the clockwise or anticlockwise rotation angle of the rotating platform 2 is adjusted; the control unit receives a lifting height and inclination angle instruction input by a detection person, and after calculation, the lifting side inclination adjusting mechanism 14 drives the lifting side inclination platform 22 to vertically lift, descend or incline, and the overall lifting height or inclination angle is obtained through two height signals measured by the height sensor 16.

The lifting side-tilt adjusting mechanism 14 comprises a hydraulic cylinder 19 and a joint bearing 21, one end of the hydraulic cylinder 19 is hinged with the rotating platform 2 through the joint bearing 21, and the other end of the hydraulic cylinder is hinged with the lifting tilt platform 22 through the joint bearing 21; in the embodiment, four hydraulic cylinders 19 are arranged, the four hydraulic cylinders 19 are respectively arranged at the positions close to four corners of the lifting and tilting platform 22, when the hydraulic cylinder 19 at the left side of the vehicle body is at the lowest position and the hydraulic cylinder 19 at the right side of the vehicle body is at the highest position, the left tilting angle of the test bed is the largest at the moment, and the largest road tilting state when the vehicle turns left is simulated; when the hydraulic cylinder 19 on the right side of the vehicle body is at the lowest position and the hydraulic cylinder 19 on the left side of the vehicle body is at the highest position, the right inclination angle of the test bed is the largest at the moment, and the largest road inclination state when the vehicle turns right is simulated; when the hydraulic cylinders 19 on the left and right sides are at the same height, the horizontal non-inclined state of the vehicle is simulated.

Further, the actual height of the hydraulic cylinders 19 on the left and right sides can be adjusted according to the need to achieve the purpose of simulating the actual road surface, and as an optimization, the front roller set main body frame 12 and the rear roller set main body frame 13 are both provided with the height sensors 16, and the actual inclination angle is calculated according to the height monitoring values of the two height sensors 16.

The rotating mechanism 8 and the lifting lateral inclination adjusting mechanism 14 work in a matched mode, so that the size of the road inclination angle can be changed, and the running state of a vehicle lateral inclination scene and a steering scene can be simulated; preferably, in order to prevent the rotation mechanism 8 from being retracted when the front drum group main body frame 12 and the rear drum group main body frame 13 are rotated, a self-locking device is provided for the rotation mechanism 8 so as to keep the rotation mechanism fixed, and a self-locking device is also provided for the elevation skew adjusting mechanism 14.

The variable-pitch testing mechanism 200 comprises a front roller testing mechanism 300, a rear roller testing mechanism 400 and a telescopic driving device 18, wherein a guide rail 17 is arranged on the upper side of the lifting inclined platform 22, the front roller testing mechanism 300 is connected to the guide rail 17 in a sliding manner, the rear roller testing mechanism 400 is fixedly connected to the upper side of the lifting inclined platform 22, the telescopic driving device 18 is arranged on the lifting inclined platform 22 and connected to one side of the front roller testing mechanism 300, and the telescopic driving device 18 is used for adjusting the axle distance between the front roller group 9 and the rear roller group 9; the front roller testing mechanism 300 and the rear roller testing mechanism 400 are in transmission connection through a telescopic synchronous transmission and conversion mechanism 500, and the telescopic synchronous transmission and conversion mechanism 500 is used for synchronous rotation of the front roller group 9 and the rear roller group 9.

In this embodiment, the telescopic driving device 18 is driven by air pressure, and in other embodiments, the telescopic driving device may be driven by a motor-driven worm gear driving method, a motor-driven speed reducer adjusting method, or a hydraulic driving method.

The front roller testing mechanism 300 includes a front roller set main body frame 12, a front roller set frame 10, and a front roller set 9, the front roller set main body frame 12 is slidably connected to the guide rail 17, and one side of the front roller set main body frame 12 is connected to the telescopic driving device 18, the front roller set frame 10 is installed on the front roller set main body frame 12, and the front roller set 9 is installed on the front roller set frame 10.

The rear roller testing mechanism 400 includes a rear roller set main body frame 13, a rear roller set frame 11, and a rear roller set 9, the rear roller set main body frame 13 is installed on the lift tilt platform 22, the rear roller set frame 11 is installed on the rear roller set main body frame 13, and the rear roller set 9 is installed on the rear roller set frame 11.

The telescopic synchronous transmission switching mechanism 500 comprises a telescopic universal transmission shaft 24 and T-shaped commutators 44, two groups of T-shaped commutators 44 are arranged, one group of T-shaped commutators 44 is in transmission connection with the front roller group 9, the other group of T-shaped commutators 44 is in transmission connection with the rear roller group 9, and two ends of the telescopic universal transmission shaft 24 are respectively connected with the two groups of T-shaped commutators 44.

As shown in fig. 5, the two main rollers 28 of the front roller set 9 are coaxially disposed, the two main rollers 28 of the rear roller set 9 are coaxially disposed, and further in this embodiment, a T-shaped reverser 44 is adopted, two side transmission interfaces of the T-shaped reverser facilitate synchronous connection of the two main rollers 28, and the telescopic universal transmission shaft 24 is connected to a middle transmission interface of each T-shaped reverser 44, so as to implement synchronous transmission between the four roller sets 9. Further, a roller clutch 45 is arranged between the transmission interfaces on the two sides of the T-shaped commutator 44 and the main roller 28, the roller clutch 45 is one of an electromagnetic clutch or a magnetic powder clutch, and the roller clutches 45 at different positions are controlled to be combined to be in different suction states, so that the braking force and the ABS performance of each wheel can be conveniently measured, and the detection diversity of the whole detection device is ensured.

The telescopic universal transmission shaft 24 is lengthened or shortened along with the telescopic driving device 18, synchronous transmission of the front roller set 9 and the rear roller set 9 is guaranteed by matching with the T-shaped reverser 44, the control unit receives a vehicle wheel base instruction input by a detection person, after calculation, the telescopic universal transmission shaft 24, the T-shaped reverser 44 and the telescopic driving device 18 drive the front roller set main body frame 12 to move on the guide rail 17, and meanwhile, corresponding sensors are arranged on the front roller set 9 and the rear roller set 9, so that the wheel base of the front roller set 9 and the rear roller set 9 can be adjusted and synchronously transmitted.

Further, the front roller set 9 and the rear roller set 9 each include a main roller 28 and a sub roller 29 which are installed in parallel and are in transmission connection, a sensing roller 42 is connected between the main roller 28 and the sub roller 29, a first sensor for detecting the speed of the wheels is installed at one end of the sensing roller 42, a second sensor for detecting the speed of the vehicle is installed on the main roller 28 and/or the sub roller 29, the first sensor processes and transmits the detected speed signal of the wheels to the control unit, so as to obtain the speed of the wheels, and the second sensor processes and transmits the detected speed signal of the main roller 28 and/or the sub roller 29 to the control unit, so as to obtain the speed of the vehicle.

As optimization, when performance detection is performed, in order to increase the rotational inertia of the rotating part of the front and rear roller sets 9, a flywheel 35 and a flywheel clutch 36 are additionally arranged on the driving device of the front and rear roller sets 9, the flywheel 35 and the flywheel clutch 36 are sequentially arranged on one side of the main roller 28, the flywheel clutch 36 is rigidly connected to one side of the flywheel 35 away from the main roller 28, and the flywheel clutch 36 adopts one of an electromagnetic clutch or a magnetic powder clutch; the flywheel clutch 36 is used for connecting or disconnecting the flywheel 35 with the main drum 28 in an attracting manner, in other embodiments, the flywheel 35 may be connected or disconnected with the transmission shaft of the main drum 28 in an attracting manner, and the flywheel 35 may be connected or disconnected with the auxiliary drum 29 through the flywheel clutch 36.

Preferably, in order to ensure synchronous transmission between the main drum 28 and the auxiliary drum 29, a main drum chain wheel 37 and an auxiliary drum chain wheel 38 are respectively arranged on the main drum 28 and the auxiliary drum 29, the auxiliary drum chain wheel 38 is on the same plane with the main drum chain wheel 37, and the main drum chain wheel 37 drives the auxiliary drum chain wheel 38 through a chain.

As optimization, the distance between the main roller 28 and the auxiliary roller 29 can be adjusted to achieve the purpose of simulating different road surface coefficients, and when different road surface adhesion coefficients are simulated, the control unit receives a distance command of the main roller 28 and the auxiliary roller 29 input by a detection person, and after calculation, the distance between the main roller 28 and the auxiliary roller 29 is adjusted according to corresponding distance signals, so that different road surface adhesion coefficients can be better simulated.

The variable-pitch test mechanism 200 further comprises a lifter 46 for adjusting the ascending or descending of the wheel, the lifter 46 is driven by one of hydraulic pressure and pneumatic pressure, each lifter 46 is installed between the front roller set 9 and the front roller set frame 10 and between the rear roller set 9 and the rear roller set frame 11, a wheel ascending and descending height sensor is installed at one end of the lifter 46, the control unit receives an ascending and descending instruction of the lifter 46 input by a detection person, and the lifter 46 drives the wheel to ascend or descend after calculation.

According to the multi-vehicle-type self-adaptive device for the automobile table type catch wheel space, when an automobile drives into an ABS detection table, a catch wheel distance measuring mechanism sends detected data to a system processor, the system sends the processed data to a control unit, the control unit adjusts the distance between front and rear catch wheels 20 according to the space between the outer sides of the front and rear wheels of the automobile to be detected, so that a catch wheel driving device 53 drives the catch wheels 20 to move on a catch wheel guide rail 52, the lifting devices 46 lift the wheels according to corresponding sensor signals, when the front and rear wheels of the automobile respectively drive the lifting devices 46, the automobile stops, the lifting devices 46 descend, so that the front and rear wheels of the automobile respectively descend onto main rollers 28 and auxiliary rollers 29 of four roller sets 9, after adjustment is completed according to setting, ABS performance detection is carried out on the automobile, when the automobile is in an inclined and turning state, the control unit receives instructions of a front roller set main body rack 12 and a rear roller set main body rack 13, controls a motor 7 through position signals detected by a rotation angle encoder 15 and a height sensor 16, drives an outer disc 6 to rotate, and a rotary platform 2 simultaneously, a lifting platform 22 is driven to rotate, a hydraulic cylinder 22 is driven to respectively lift and a hydraulic cylinder 22 to move up and down, a road lifting and up and down test scenes of the automobile are simulated, and up and down, and up and down scenes are tested.

Claims (10)

1. The utility model provides a desk-top catch wheel interval multi-vehicle type self-adaptation device of car which characterized in that includes: the catch wheel distance measuring mechanism comprises a pair of infrared induction sensors and a supporting frame; the catch wheel adjusting mechanism comprises a catch wheel, a catch wheel guide rail and a catch wheel driving device; the rotary lifting and inclining mechanism is arranged on a foundation; the lifting and inclining platform is connected to the top end of the rotary lifting and inclining mechanism; the variable-pitch testing mechanism comprises a front roller testing mechanism, a rear roller testing mechanism and a telescopic driving device, a guide rail is arranged on the upper side of the lifting and tilting platform, the front roller testing mechanism is connected to the guide rail in a sliding mode, the rear roller testing mechanism is fixedly connected to the upper side of the lifting and tilting platform, the telescopic driving device is mounted on the lifting and tilting platform and connected to one side of the front roller testing mechanism, the front roller testing mechanism and the rear roller testing mechanism are in transmission connection through a telescopic synchronous transmission switching mechanism, and the telescopic synchronous transmission switching mechanism is used for synchronous rotation of the front roller set and the rear roller set.

2. The device as claimed in claim 1, wherein the catch wheel distance measuring mechanism comprises a pair of infrared sensors and a support frame, the catch wheel distance measuring mechanism is installed at a position 20 cm away from the ground, the pair of infrared sensors is fixedly installed at a specific position, and the measurement can be performed after the vehicle enters the specified position.

3. The multi-vehicle-type self-adaptive device for the distance between the stop wheels of the automobile platform as claimed in claim 2, wherein the stop wheel adjusting mechanism comprises a stop wheel, a stop wheel guide rail and a stop wheel driving device, and the four stop wheel adjusting mechanisms are respectively connected with the front ends of the front roller testing mechanism and the rear roller testing mechanism.

4. The adaptive device for the multi-vehicle type with the spacing between the catch wheels on the bench type of the automobile as claimed in claim 3, wherein the rotary lifting and tilting mechanism comprises a rotary mechanism and a lifting and tilting mechanism, the rotary mechanism is connected to the ground, and the lifting and tilting mechanism is connected to the top end of the rotary mechanism.

5. The device of claim 4, wherein the rotating mechanism comprises a reduction motor, an outer gear plate, a rotating platform, a support roller and a rotation angle encoder, the ground is provided with a ground rack, the reduction motor is mounted on the ground rack, the outer gear plate is rotatably connected onto the ground rack through a rotary support bearing, a power output end of the reduction motor is in transmission connection with the outer gear plate through a gear box, the rotating platform is connected to the top end of the outer gear plate, the support roller is connected to the bottom end of the rotating platform and located outside the outer gear plate, the rotation angle encoder is mounted on the ground rack and in power connection with the gear box, and the rotation angle encoder is used for measuring the rotation angle of the rotating platform by meshing gears of the gear box.

6. The device as claimed in claim 5, wherein the lift and tilt adjusting mechanism comprises a hydraulic cylinder and a knuckle bearing, one end of the hydraulic cylinder is hinged to the rotating platform through the knuckle bearing, and the other end of the hydraulic cylinder is hinged to the lift and tilt platform through the knuckle bearing.

7. The apparatus of claim 6, wherein the front roller testing mechanism comprises a front roller set main body frame, a front roller set frame and a front roller set, the front roller set main body frame is slidably connected to the guide rail, one side of the front roller set main body frame is connected to the telescopic driving apparatus, the front roller set frame is mounted on the front roller set main body frame, and the front roller set is mounted on the front roller set frame.

8. The apparatus of claim 7, wherein the rear roller testing means comprises a rear roller set body frame, a rear roller set frame, and a rear roller set, the rear roller set body frame being mounted to the tilt-lift platform, the rear roller set frame being mounted to the rear roller set body frame, and the rear roller set being mounted to the rear roller set frame.

9. The adaptive device for multiple vehicle types at intervals between the car table type catch wheels according to claim 8, wherein the telescopic synchronous transmission switching mechanism comprises two groups of telescopic universal transmission shafts and two groups of T-shaped commutators, one group of T-shaped commutators is in transmission connection with the front roller group, the other group of T-shaped commutators is in transmission connection with the rear roller group, and two ends of each telescopic universal transmission shaft are respectively connected with the two groups of T-shaped commutators.

10. The adaptive device for multi-vehicle models with spacing between wheels of a desk type of an automobile according to claim 9, wherein the distance-variable testing mechanism further comprises lifters installed between the front roller set and the front roller set frame, and between the rear roller set and the rear roller set frame, the lifters being used to adjust the wheels to ascend or descend.

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