CN112229647A - Electric inertia simulation test bed with adjustable wheelbase and roller center distance - Google Patents
Electric inertia simulation test bed with adjustable wheelbase and roller center distance Download PDFInfo
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- CN112229647A CN112229647A CN202011063950.0A CN202011063950A CN112229647A CN 112229647 A CN112229647 A CN 112229647A CN 202011063950 A CN202011063950 A CN 202011063950A CN 112229647 A CN112229647 A CN 112229647A
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- 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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/10—Determining the moment of inertia
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Abstract
The invention discloses an electric inertia simulation test bed with adjustable wheelbase and roller center distance, which comprises two roller groups and a roller group frame, wherein the two roller groups correspond to front and rear wheels of a vehicle respectively; one side of the roller group frame is connected with a telescopic device, and the telescopic device drives one roller group frame to move relative to the other roller group frame and is used for adjusting the axle distance of the two roller groups; the roller center distance adjusting mechanism drives the auxiliary roller bearing seat to move along the auxiliary roller guide rail and is used for adjusting the center distance between the main roller and the auxiliary roller; the roller dynamometer is arranged on the roller group frame, an output shaft of the roller dynamometer is coaxially connected with the rolling center of the main roller, the output torque of the roller dynamometer is changed to change the rotational inertia of the main roller, and accordingly continuous variable inertia simulation of vehicles with different wheelbases and different driving modes running under different attachment coefficients under various running conditions is achieved.
Description
Technical Field
The invention relates to the field of motor vehicle detection equipment, in particular to an electric inertia simulation test bed with adjustable wheelbase and roller center distance.
Background
The invention discloses an invention patent CN101183046A 'an indoor vehicle ABS experiment table with variable adhesion coefficients', which does not relate to a mode of adjusting the wheelbase of the experiment table and a mode of combining road surface simulation and electric inertia simulation with different adhesion coefficients, and achieves the purpose of simulating the road adhesion coefficients by changing the braking force when the wheels of the tested vehicle are locked through the exciting current of a torque controller. The invention discloses a device and a method for simulating the road surface adhesion coefficient in an automobile brake system bench test, which adopts a driving motor to drive a rotary drum to rotate so as to simulate the road surface. The invention disclosed in patent CN107907345B "method for detecting power inertia of automobile" is a method for detecting the power of automobile with specified rotation speed of engine by using the equivalent inertia of the rack and the equivalent inertia of the rotating member of the automobile as loads on a roller rack with inertia flywheel. The invention discloses a method for detecting the braking performance of an inertia roller rack automobile in patent CN107860588B, which is a method for detecting the braking performance of an automobile by taking the equivalent inertia of the rack and the automobile as a loading load on the roller rack provided with an inertia flywheel.
The related patents of the vehicle inertia test stand do not relate to a mode that the wheel base of the test stand is adjustable and a mode that different adhesion coefficient road surface simulation and electric inertia simulation are combined, the existing patents detect that the vehicle type is single, the mode that the center distance of a roller is adjusted is not adopted in the adhesion coefficient road surface simulation, and the inertia simulation adopts a fixed inertia mode, so that the vehicle inertia test stand has great defects when the dynamic performance and the braking performance of an automobile are detected.
Disclosure of Invention
The invention aims to provide an electric inertia simulation test bed with adjustable wheelbase and roller center distance, which aims to solve the problems in the prior art, realize continuously-changed inertia simulation of vehicles in different driving modes under different driving conditions and adapting to vehicles with different wheelbases and different attachment coefficients, and enlarge the detection range of a vehicle bench test.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an electric inertia simulation test bed with adjustable wheelbase and roller center distance, which comprises two roller groups and a roller group frame, wherein the two roller groups correspond to front and rear wheels of a vehicle respectively;
one side of the roller group frame is connected with a telescopic device, and the telescopic device drives one roller group frame to move relative to the other roller group frame and is used for adjusting the wheel base of the two roller groups;
the roller group comprises two roller assemblies which are symmetrically arranged, each roller assembly comprises a main roller and an auxiliary roller which are arranged in parallel, a roller center distance adjusting mechanism and an auxiliary roller base, two ends of each main roller and two ends of each auxiliary roller are respectively provided with a main roller bearing seat and an auxiliary roller bearing seat, the main roller bearing seats are fixedly arranged on the roller group frame, the auxiliary roller bearing seats are fixedly arranged on the auxiliary roller base, auxiliary roller guide rails are arranged on the roller group frame, and the auxiliary roller base is slidably arranged on the auxiliary roller guide rails;
the roller center distance adjusting mechanism comprises a worm and gear driving motor, a worm connected with the worm and gear driving motor, a center distance steering box and a screw rod, the center distance steering box comprises a cross shaft and a first worm gear which are connected, the cross shaft is connected with the worm, the first worm gear is connected with the screw rod, an adjusting nut is arranged on the auxiliary roller base, the screw rod is connected with the adjusting nut, the worm and gear driving motor drives the worm to rotate, the worm drives the cross shaft to drive the first worm gear to rotate, the first worm gear drives the screw rod to rotate in the adjusting nut and drives the auxiliary roller base to move, and the auxiliary roller moves relative to the main roller to adjust the roller center distance;
the roller group frame is provided with a roller dynamometer, the roller dynamometer is located on one side of the main roller and/or the auxiliary roller, an output shaft of the roller dynamometer is coaxially connected with the main roller and/or a rolling center of the auxiliary roller, and output torque of the roller dynamometer is changed to be used for changing rotational inertia of the main roller and/or the auxiliary roller.
Preferably, the roller dynamometer adopts an alternating current power dynamometer, the alternating current power dynamometer is used for driving the main roller to rotate forwards or reversely, a roller rotating speed torque sensor is connected between an output shaft of the roller dynamometer and a rolling center of the main roller, and the roller rotating speed torque sensor is used for monitoring the output torque of the roller dynamometer and the rotating speed of the main roller, so that the simulation of working conditions such as vehicle acceleration or deceleration is realized.
Preferably, the roller assembly comprises two roller group chain wheels arranged on the same side, each roller group chain wheel is connected to one side of the main roller and one side of the auxiliary roller, and the two roller group chain wheels are connected through a chain and used for realizing synchronous mechanical transmission between the main roller and the auxiliary roller.
Preferably, a telescopic synchronous adjusting device is arranged between the two roller groups, the synchronous adjusting device comprises a telescopic universal transmission shaft and T-shaped commutators connected to two ends of the telescopic universal transmission shaft, the T-shaped commutators are located between the two roller assemblies of the same roller group, transmission interfaces on two sides of each T-shaped commutator are respectively and correspondingly connected with the two main rollers, and the telescopic universal transmission shaft is connected to the middle transmission interface of each T-shaped commutator.
Preferably, the roller assembly comprises a sensing roller which is installed between the main roller and the auxiliary roller in parallel, the sensing roller is correspondingly supported on the roller set frame through supporting springs arranged at two ends of the sensing roller, when the wheel is located on the roller assembly, the sensing roller is abutted against the wheel and rotates synchronously with the wheel, a sensing roller rotating speed sensor is installed at one end of the sensing roller, and the sensing roller rotating speed sensor indirectly reflects the wheel speed of the wheel by measuring the rotating speed of the sensing roller.
Preferably, a second worm wheel is arranged on the worm and gear driving motor, the second worm wheel is respectively connected with the two worms, and the two worms are respectively used for adjusting the center distance of the two roller assemblies in the same roller group.
Preferably, a roller center distance sensor is arranged on the roller center distance adjusting mechanism and used for monitoring the roller center distance, so that the center distance between the main roller and the auxiliary roller can be adjusted.
Preferably, the roller set comprises a lifter for adjusting the ascending or descending of wheels, and the lifter is fixed between the roller set and the roller set frame.
Preferably, a catch wheel used for limiting the transverse movement of the vehicle is mounted on the roller set frame, and the catch wheel is attached to the side face of the tire and can rotate along with the wheel so as to reduce the friction on the wheel.
Preferably, one side of the roller group frame is connected with a horizontal cover plate, the horizontal cover plate is used for covering the area where the roller group frame is removed, and the horizontal cover plate is driven by the roller group main body frame and moves on a cover plate guide rail positioned at the bottom of the horizontal cover plate.
Compared with the prior art, the invention has the following technical effects:
1. one side of the roller group frame is connected with a telescopic device, the telescopic device drives one roller group frame to move relative to the other roller group frame and is used for adjusting the axle distance of the two roller groups, the roller center distance adjusting mechanism drives the auxiliary roller base to move along the auxiliary roller guide rail and is used for adjusting the center distance between the main roller and the auxiliary roller so as to change the adhesion coefficient of wheels and realize the continuously-changed inertia simulation of vehicles which are suitable for vehicles with different axle distances and run under different adhesion coefficients and different driving modes under various running working conditions.
2. The roller group frame is provided with a roller dynamometer, an output shaft of the roller dynamometer is coaxially connected with the rolling center of the main roller, and the output torque of the roller dynamometer is changed to change the rotational inertia of the main roller.
3. The roller dynamometer adopts an alternating current dynamometer which is used for driving a main roller to rotate forwards or backwards so as to change the change of the direction of the friction force between the wheels and the main roller and is used for simulating inertia simulation under working conditions of vehicle acceleration or deceleration and the like.
4. A roller rotating speed torque sensor is connected between an output shaft of the roller dynamometer and a rolling center of the main roller and used for monitoring the output torque of the roller dynamometer and the rotating speed of the main roller, and therefore the accuracy of working condition simulation such as vehicle acceleration or deceleration is improved.
5. A telescopic synchronous adjusting device is arranged between the two roller sets, so that inertia simulation during vehicle bench test detection in different driving modes can be effectively realized.
6. The roller group comprises a lifter for adjusting the ascending or descending of the wheels, and the lifter is fixed at the position between the roller group and the roller group frame, so that the wheels can conveniently move in and out of the corresponding roller group.
7. A horizontal cover plate is installed on one side of the roller group frame, the roller group frame drives the horizontal cover plate to move on a cover plate guide rail located at the bottom of the horizontal cover plate, and the horizontal cover plate is used for sealing an area after the roller group main body frame is moved away, so that the problem of potential safety hazards existing after the roller group frame is moved away is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall composition of the present invention;
FIG. 2 is a schematic view of the center distance adjusting mechanism of the present invention
Wherein, 1-roller group; 2-roller set frame; 3-a drum assembly; 4-a main drum; 5-auxiliary roller; 6-auxiliary roller guide rail; 7-a sensing drum; 8-main drum bearing seat; 9-auxiliary roller bearing seat; 10-sprocket bearing seats; 11-roller set sprocket; a 12-T type commutator; 13-a telescopic universal drive shaft; 14-drive shaft support bearing; 15-horizontal cover plate; 16-drum rotational speed torque sensor; 17-a roller dynamometer; 18-a worm gear drive motor; 19-a worm gear mechanism; 20-centre-to-centre steering box; 21-a worm; 22-a screw rod; 23-second turbine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an electric inertia simulation test bed with adjustable wheelbase and roller center distance, which aims to solve the problems in the prior art, realize continuously-changed inertia simulation of vehicles in different driving modes under different driving conditions and adapting to vehicles with different wheelbases and different attachment coefficients, and enlarge the detection range of a vehicle bench test.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the invention provides an electric inertia simulation test bed with adjustable wheelbase and roller center distance, which comprises two roller groups 1 corresponding to front and rear wheels of a vehicle respectively, and a roller group frame 2 for mounting the two roller groups 1 respectively; one side of the roller group frame 2 is connected with a telescopic device, the telescopic device drives one roller group frame 2 to move relative to the other roller group frame 2 and is used for adjusting the axle distance of the two roller groups 1, preferably, one roller group frame 2 is movably arranged on a frame moving guide rail positioned below the roller group frame 2, one side of the roller group frame 2 is connected with a roller group frame 2 driving motor or other devices capable of driving the roller group frame 2 to move, the other roller group frame 2 is fixed on a foundation, and further, the roller group frame 2 driving motor drives one roller group frame 2 to move relative to the other roller group frame 2 along the frame moving guide rail so as to realize the adjustment of the axle distance of the two roller groups 1, and preferably, a retaining wheel used for limiting the transverse movement of a vehicle is arranged on the roller group frame 2 and avoid the phenomenon of side slipping after the vehicle runs on the roller group frame 2, and the catch wheel can rotate with the wheel together, in order to reduce the friction to the tire side of wheel, preferably install the horizontal cover 15 on one side of the roller group stander 2 that can move, the horizontal cover 15 is driven by the roller group stander 2 that can move and moved on the cover guide rail located at the bottom of horizontal cover 15, the horizontal cover 15 is used for closing the area after the roller group stander 2 that can move is removed, for example install the whole test bench in a shallow pit foundation, after the roller group stander 2 that can move moves to the fixed roller group stander 2, vacate a shallow pit, and then set up the horizontal cover 15 and can facilitate the vehicle to drive into and out of the test bench, and can also avoid the problem of the potential safety hazard after the roller group stander 2 that can move is removed.
Meanwhile, as shown in fig. 1, the roller set 1 includes two symmetrically arranged roller assemblies 3, each roller assembly 3 includes a main roller 4 and an auxiliary roller 5 which are arranged in parallel, a roller center distance adjusting mechanism, and an auxiliary roller base, both ends of the main roller 4 and the auxiliary roller 5 are respectively provided with a main roller bearing seat 8 and an auxiliary roller bearing seat 9, the main roller bearing seats 8 are fixedly installed on the roller set frame 2, the roller set frame 2 is provided with an auxiliary roller guide rail 6, the auxiliary rollers 5 are installed on the auxiliary roller base through the auxiliary roller bearing seats 9, and the auxiliary roller base is slidably installed on the auxiliary roller guide rail 6; as a preferred embodiment of the present invention, one end of the roller center distance adjusting mechanism is fixed on the roller set frame 2, the other end of the roller center distance adjusting mechanism is fixed on the secondary roller base, the roller center distance adjusting mechanism drives the secondary roller base to move along the secondary roller guide rail 6 for adjusting the center distance between the primary roller 4 and the secondary roller 5, preferably, the roller center distance adjusting mechanism comprises a worm gear mechanism 19 and a worm gear driving motor 18, a worm part of the worm gear mechanism 19 is rotatably connected with the secondary roller base, for example, a bearing matched with a worm is arranged on the secondary roller base, etc., a worm wheel part of the worm gear mechanism 19 is connected with an output end of the worm gear driving motor 18, and further the worm gear motor drives the worm wheel part to rotate, the worm wheel part drives the worm 21 part to move back and forth, the worm 21 part drives the secondary roller base to move back and forth along the secondary roller guide rail, the adjustment of the center distance of the roller is realized. Further preferably, in order to reduce the use cost and realize the synchronous adjustment of the roller center distances of the roller assemblies 3, two roller assemblies 3 in the same roller group 1 share the same worm and gear driving motor 18, preferably, in order to accurately adjust the roller center distances of the roller assemblies 3, a roller center distance sensor is arranged on the worm and gear mechanism and used for monitoring the roller center distance, and when the roller center distance sensor detects that the roller center distance is adjusted in place, the worm and gear mechanism 19 stops working.
As another preferred embodiment of the present invention, the roller center distance adjusting mechanism includes a worm and gear driving motor 18, a worm 21 connected to the worm and gear driving motor, a center distance steering box 20 and a lead screw 22, the center distance steering box 20 includes a cross shaft and a first worm gear connected to each other, the cross shaft is connected to the worm, the first worm gear is connected to the lead screw 22, an adjusting nut is disposed on the secondary roller base, the lead screw 22 is connected to the adjusting nut, the worm and gear driving motor 18 drives the worm to rotate, the worm 21 drives the cross shaft to drive the first worm gear to rotate, the first worm gear drives the lead screw 22 to rotate in the adjusting nut and drives the secondary roller base to move, so that the secondary roller 5 moves relative to the primary roller 4 to adjust the roller center distance; the worm gear and worm driving motor 18 is provided with a second worm gear 23, the second worm gear 23 is respectively connected with two worms 21, and the two worms 21 are respectively used for adjusting the center distance of the two roller assemblies 3 in the same roller group.
Furthermore, as shown in fig. 1, in order to precisely change the rotational inertia of the main drum 4, a drum dynamometer 17 is disposed on the drum set frame 2, the drum dynamometer 17 is disposed on one side of the main drum 4, and an output shaft of the drum dynamometer 17 is coaxially connected to the rolling center of the main drum 4, and the change of the output torque of the drum dynamometer 17 is used to change the rotational inertia of the main drum 4, since the drum dynamometer 17 is used, the control of the output torque is continuous, and thus the driving current of the drum dynamometer 17 is changed, the output torque can be precisely adjusted, and thus the rotational inertia of the main drum 4 can be precisely controlled, preferably, in order to simulate the working conditions such as acceleration or deceleration of the vehicle, the drum dynamometer 17 uses an ac power, the ac power dynamometer is used to drive the main drum 4 to rotate forward or backward, and thus the change of the direction of the friction force between the wheels and the main drum 4, according to the change of the direction of the friction force to simulate the inertia simulation under the working conditions of vehicle acceleration or deceleration and the like, the direction of the friction force between the wheels and the road during acceleration or deceleration during running is judged according to the common knowledge, and preferably, a roller rotating speed torque sensor 16 is connected between an output shaft of the roller dynamometer 17 and the rolling center of the main roller 4, the roller rotating speed torque sensor 16 is used for monitoring the output torque of the roller dynamometer 17 and the rotating speed of the main roller 4, wherein the roller rotating speed torque sensor 16 is installed on the roller group frame 2 through bolts, and the torque output shaft of the roller dynamometer 17, the roller rotating speed torque sensor 16 and the rolling center shaft of the main roller 4 are on the same axis.
As shown in fig. 1, as a preferred embodiment of the present invention, in order to ensure that the two roller sets 1 can adjust the wheel base and simultaneously operate synchronously to adapt to vehicles with different driving modes, such as driving wheels by rollers, or driving the rollers by the wheels, etc., a telescopic synchronous adjusting device is provided between the two roller sets 1, the synchronous adjusting device includes a telescopic universal transmission shaft 13 and a T-shaped reverser 12 connected to two ends of the telescopic universal transmission shaft 13, and is also provided with a transmission shaft support bearing 14 to stably support the telescopic universal transmission shaft 13, etc., the T-shaped reverser 12 is located between two roller set assemblies of the same roller set 1, transmission interfaces at two sides of the T-shaped reverser 12 are respectively connected to two main rollers 4, and the telescopic universal transmission shaft 13 is connected to a middle transmission interface of each T-shaped reverser 12; further, in order to ensure the accurate adjustment of the wheel base between the roller sets 1, a wheel base sensor of the roller set 1 for monitoring the wheel base between the two roller sets 1 is arranged on the roller set frame 2, and when the wheel base between the two roller sets 1 is adjusted in place as measured by the wheel base sensor of the roller set 1, the driving motor of the main frame stops working; preferably, in order to ensure that the synchronous transmission is maintained between the main roller 4 and the auxiliary roller 5 in the same roller assembly 3, the roller group 1 assembly further comprises two roller group chain wheels 11 arranged on the same side, each roller group chain wheel 11 is connected to one side of the main roller 4 and one side of the auxiliary roller 5 respectively, the other end of each roller group chain wheel 11 is rotatably installed on the roller group frame 2 through a chain wheel bearing seat 10, and the two roller group chain wheels 11 are connected through a chain to realize the synchronous mechanical transmission between the main roller 4 and the auxiliary roller 5.
Preferably, as shown in fig. 1, the roller assembly 3 includes a sensing roller 7 installed in parallel between the main roller 4 and the auxiliary roller 5, a sensing roller 7 speed sensor for measuring a wheel speed is installed at one end of the sensing roller 7, preferably, the sensing roller 7 is correspondingly supported on the roller set frame 2 through a supporting spring arranged at two ends of the sensing roller 7, after the wheel is located on the roller assembly, the sensing roller 7 abuts against the wheel, a wheel speed signal measured by the sensing roller 7 speed sensor is processed and then transmitted to the control unit, so as to obtain the wheel speed, signals of the main roller 4 and the auxiliary roller 5 speed measured by the roller speed sensor are further transmitted to the control unit in combination with a torque magnitude signal output by the roller dynamometer 17, and the dynamic continuous output of the roller dynamometer 17 torque is controlled through the matching calculation of the control unit, so as to realize the dynamic continuous simulation of inertia matching under different driving conditions of the automobile, the preferred sensor drum 7 speed sensor and drum speed sensor are photoelectric encoders.
As shown in fig. 1, as a preferred embodiment of the present invention, in order to facilitate the driving of the wheels into and out of the corresponding roller sets 1, the roller assemblies 3 include lifters for adjusting the raising and lowering of the wheels, which may be hydraulically or pneumatically driven, and each lifter is respectively fixed between the roller assembly 3 and the roller set frame 2.
The adaptation according to the actual needs is within the scope of the invention.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. An electric inertia simulation test bed with adjustable wheelbase and roller center distance is characterized by comprising two roller groups corresponding to front and rear wheels of a vehicle respectively and a roller group frame used for mounting the two roller groups respectively;
one side of the roller group frame is connected with a telescopic device, and the telescopic device drives one roller group frame to move relative to the other roller group frame and is used for adjusting the wheel base of the two roller groups;
the roller group comprises two roller assemblies which are symmetrically arranged, each roller assembly comprises a main roller and an auxiliary roller which are arranged in parallel, a roller center distance adjusting mechanism and an auxiliary roller base, two ends of each main roller and two ends of each auxiliary roller are respectively provided with a main roller bearing seat and an auxiliary roller bearing seat, the main roller bearing seats are fixedly arranged on the roller group frame, the auxiliary roller bearing seats are fixedly arranged on the auxiliary roller base, auxiliary roller guide rails are arranged on the roller group frame, and the auxiliary roller base is slidably arranged on the auxiliary roller guide rails;
the roller center distance adjusting mechanism comprises a worm and gear driving motor, a worm connected with the worm and gear driving motor, a center distance steering box and a screw rod, the center distance steering box comprises a cross shaft and a first worm gear which are connected, the cross shaft is connected with the worm, the first worm gear is connected with the screw rod, an adjusting nut is arranged on the auxiliary roller base, the screw rod is connected with the adjusting nut, the worm and gear driving motor drives the worm to rotate, the worm drives the cross shaft to drive the first worm gear to rotate, the first worm gear drives the screw rod to rotate in the adjusting nut and drives the auxiliary roller base to move, and the auxiliary roller moves relative to the main roller to adjust the roller center distance;
the roller group frame is provided with a roller dynamometer, the roller dynamometer is located on one side of the main roller and/or the auxiliary roller, an output shaft of the roller dynamometer is coaxially connected with the main roller and/or a rolling center of the auxiliary roller, and output torque of the roller dynamometer is changed to be used for changing rotational inertia of the main roller and/or the auxiliary roller.
2. The electric inertia simulation test bed with the adjustable wheelbase and the adjustable roller center distance according to claim 1, wherein the roller dynamometer adopts an alternating current electric dynamometer, the alternating current electric dynamometer is used for driving the main roller to rotate forwards or backwards, a roller rotating speed torque sensor is connected between an output shaft of the roller dynamometer and the rolling center of the main roller, and the roller rotating speed torque sensor is used for monitoring the output torque of the roller dynamometer and the rotating speed of the main roller, so that the simulation of working conditions such as vehicle acceleration or deceleration is realized.
3. The electric inertia simulation test bed with the adjustable wheel base and the adjustable roller center distance according to claim 2, wherein the roller assembly comprises two roller group chain wheels arranged on the same side, each roller group chain wheel is connected to one side of the main roller and one side of the auxiliary roller respectively, and the two roller group chain wheels are connected through a chain to realize synchronous mechanical transmission between the main roller and the auxiliary roller.
4. The electric inertia simulation test bed with the adjustable wheelbase and the adjustable roller center distance according to claim 1 or 3, wherein a telescopic synchronous adjusting device is arranged between the two roller sets, the synchronous adjusting device comprises a telescopic universal transmission shaft and T-shaped commutators connected to two ends of the telescopic universal transmission shaft, the T-shaped commutators are located between the two roller assemblies of the same roller set, transmission interfaces on two sides of each T-shaped commutator are respectively and correspondingly connected with the two main rollers, and the telescopic universal transmission shaft is connected to a middle transmission interface of each T-shaped commutator.
5. The electric inertia simulation test bed with the adjustable wheelbase and the adjustable roller center distance according to claim 4, wherein the roller assembly comprises a sensing roller which is installed between the main roller and the auxiliary roller in parallel, the sensing roller is correspondingly supported on the roller set rack through supporting springs arranged at two ends of the sensing roller, when a wheel is located on the roller assembly, the sensing roller is abutted against the wheel and rotates synchronously with the wheel, a sensing roller rotating speed sensor is installed at one end of the sensing roller, and the sensing roller rotating speed sensor indirectly reflects the wheel speed of the wheel by measuring the rotating speed of the sensing roller.
6. The electric inertia simulation test bed capable of adjusting the wheel base and the roller center distance according to claim 5, wherein a second worm wheel is arranged on the worm and gear driving motor, the second worm wheel is respectively connected with the two worms, and the two worms are respectively used for adjusting the center distance of the two roller assemblies in the same roller group.
7. An electric inertia simulation test bed with adjustable wheel base and roller center distance according to claim 6, wherein a roller center distance sensor is arranged on the roller center distance adjusting mechanism and used for monitoring the roller center distance, so as to adjust the center distance between the main roller and the auxiliary roller.
8. The electric inertia simulation test bed with the adjustable wheel base and the adjustable roller center distance according to claim 7, wherein the roller sets comprise lifters for adjusting the ascending or descending of wheels, and the lifters are fixed between the roller set frames of the roller sets.
9. An electric inertia simulation test bed with adjustable wheelbase and roller center distance according to claim 8, wherein the roller set frame is provided with a catch wheel for limiting the transverse movement of the vehicle, and the catch wheel is attached to the side surface of the tire and can rotate along with the wheel to reduce the friction on the wheel.
10. The electric inertia simulation test bed with the adjustable wheel base and the adjustable roller center distance according to claim 9, wherein a horizontal cover plate is connected to one side of the roller set frame, the horizontal cover plate is used for covering the removed area of the roller set frame, and the horizontal cover plate is driven by the roller set main frame and moves on a cover plate guide rail positioned at the bottom of the horizontal cover plate.
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| CN202011063950.0A CN112229647A (en) | 2020-09-30 | 2020-09-30 | Electric inertia simulation test bed with adjustable wheelbase and roller center distance |
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| CN202011063950.0A CN112229647A (en) | 2020-09-30 | 2020-09-30 | Electric inertia simulation test bed with adjustable wheelbase and roller center distance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
| CN115046664A (en) * | 2022-08-16 | 2022-09-13 | 山东新凌志检测技术有限公司 | Chassis dynamometer with adjustable single-roller four-wheel-drive wheelbase |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886981A (en) * | 2010-06-30 | 2010-11-17 | 山东交通学院 | Adjustable-axle distance roller device |
| CN202066703U (en) * | 2011-05-20 | 2011-12-07 | 山东交通学院 | Vehicle ABS (Anti-lock braking system) detection bench |
| CN102294615A (en) * | 2011-07-07 | 2011-12-28 | 上海三一精机有限公司 | Dual-screw rod driving device with synchronous protection |
| CN204595616U (en) * | 2015-05-22 | 2015-08-26 | 河南万国科技股份有限公司 | A kind of automobile performance detecting apparatus and wheelbase regulating device thereof |
| CN105716879A (en) * | 2016-04-21 | 2016-06-29 | 山东交通学院 | Automobile ABS (Anti-lock braking system) inspection bench with clutches |
| CN110261118A (en) * | 2019-06-06 | 2019-09-20 | 重庆交通大学 | Multi-freedom degree spherical motor test-bed |
| CN111380700A (en) * | 2020-04-21 | 2020-07-07 | 山东交通学院 | Inertia test bed capable of changing inertia roller and simulating multiple inertia of vehicle |
-
2020
- 2020-09-30 CN CN202011063950.0A patent/CN112229647A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886981A (en) * | 2010-06-30 | 2010-11-17 | 山东交通学院 | Adjustable-axle distance roller device |
| CN202066703U (en) * | 2011-05-20 | 2011-12-07 | 山东交通学院 | Vehicle ABS (Anti-lock braking system) detection bench |
| CN102294615A (en) * | 2011-07-07 | 2011-12-28 | 上海三一精机有限公司 | Dual-screw rod driving device with synchronous protection |
| CN204595616U (en) * | 2015-05-22 | 2015-08-26 | 河南万国科技股份有限公司 | A kind of automobile performance detecting apparatus and wheelbase regulating device thereof |
| CN105716879A (en) * | 2016-04-21 | 2016-06-29 | 山东交通学院 | Automobile ABS (Anti-lock braking system) inspection bench with clutches |
| CN110261118A (en) * | 2019-06-06 | 2019-09-20 | 重庆交通大学 | Multi-freedom degree spherical motor test-bed |
| CN111380700A (en) * | 2020-04-21 | 2020-07-07 | 山东交通学院 | Inertia test bed capable of changing inertia roller and simulating multiple inertia of vehicle |
Non-Patent Citations (6)
| Title |
|---|
| 叶阳等: "JF122C试验台ASR试验惯量加载方法", 《辽宁工程技术大学学报(自然科学版)》 * |
| 叶阳等: "JF122C试验台ASR试验惯量加载方法", 《辽宁工程技术大学学报(自然科学版)》, no. 04, 15 August 2010 (2010-08-15), pages 642 - 645 * |
| 吴东栋: "交流电力式汽车转鼓试验台的研究", 万方, pages 11 - 17 * |
| 黄万友等: "滚筒轴距可调的反力式汽车制动检验台开发研究", 《试验测试》 * |
| 黄万友等: "滚筒轴距可调的反力式汽车制动检验台开发研究", 《试验测试》, no. 11, 31 December 2016 (2016-12-31), pages 19 - 24 * |
| 黄万友等: "滚筒轴距可调的反力式汽车制动检验台开发研究", 试验测试, no. 11, pages 19 - 24 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049270A (en) * | 2021-03-24 | 2021-06-29 | 林武 | Chassis power measuring module additionally arranged on inertial type roller braking inspection bench |
| CN115046664A (en) * | 2022-08-16 | 2022-09-13 | 山东新凌志检测技术有限公司 | Chassis dynamometer with adjustable single-roller four-wheel-drive wheelbase |
| CN115046664B (en) * | 2022-08-16 | 2022-11-15 | 山东新凌志检测技术有限公司 | Chassis dynamometer with adjustable single-roller four-wheel-drive wheelbase |
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