CN215865836U - Wheel suspension follow-up displacement detection structure - Google Patents
Wheel suspension follow-up displacement detection structure Download PDFInfo
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- CN215865836U CN215865836U CN202121309551.8U CN202121309551U CN215865836U CN 215865836 U CN215865836 U CN 215865836U CN 202121309551 U CN202121309551 U CN 202121309551U CN 215865836 U CN215865836 U CN 215865836U
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Abstract
The utility model discloses a wheel suspension follow-up type displacement detection structure which comprises a supporting platform, a rotary drum and a tire in transmission connection with the rotary drum, wherein a load monitoring mechanism is arranged on the supporting platform, a universal connecting seat is arranged at the end part of the load monitoring mechanism, a wheel suspension is arranged on the universal connecting seat, a displacement monitoring mechanism is arranged on the wheel suspension, the wheel suspension is rotationally connected with the tire, the tire and the central point of the rotary drum are in the same vertical direction, and the load monitoring mechanism is positioned right above the contact point of the rotary drum and the tire. This equipment passes through displacement monitoring mechanism monitoring wheel and hangs the numerical value that produces the displacement change when being exerted dynamic load, and the record is when being exerted dynamic load power, and the shock displacement curve that the wheel hung to the analysis wheel hangs the displacement change condition under the atress condition, promotes the research to wheel suspension performance safety and stability.
Description
Technical Field
The utility model belongs to the technical field of road simulation test equipment, and particularly relates to a wheel suspension follow-up displacement detection structure.
Background
The wheel suspension mainly comprises wheels, tires, springs and a shock absorber, the wheel suspension has the function of supporting a car body and load, the stability, comfort and safety of a car are determined by the quality of the wheel suspension, a road simulation test on the wheel suspension is an important index for researching the wheel suspension, the load is applied to the wheel suspension, the displacement change condition of the elastic structure of the wheel suspension under the stress condition is analyzed, and the important index for researching the safety and stability of the wheel suspension performance is obtained.
In the road simulation experiment of wheel suspension in the prior art, the actuator adopts a digital cylinder with displacement control, and after the actuator applies load to the wheel suspension, when a load is applied, the displacement in the digital oil cylinder is collected and used as the displacement change of the wheel suspension for recording and researching, and as the wheel suspension structure comprises flexible structures such as tires, springs, shock absorbers and the like, the end part of the actuator is connected with a universal connecting seat, the displacement of the digital cylinder is not the real displacement actually presented by the wheel suspension, the sinking amount of the tire is also included, the displacement of the digital cylinder is uniform linear displacement, and the displacement generated by the wheel suspension is an oscillation type displacement curve due to the flexible structure, the displacement change of the wheel suspension under the action of the dynamic load of the actuator is not really responded, and the obtained test data has large deviation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wheel suspension follow-up type displacement detection structure which is put into use to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a wheel hangs trailing type displacement and detects structure, includes supporting platform, rotary drum and the tire of being connected with the rotary drum transmission, the last load monitoring mechanism that is provided with of supporting platform, the tip of load monitoring mechanism is provided with universal joint seat, be provided with the wheel on the universal joint seat and hang, the wheel hangs and is provided with displacement monitoring mechanism, the wheel hangs and is connected with the tire rotation, the tire is in same vertical direction with the central point of rotary drum, load monitoring mechanism is located the rotary drum and the tire contact point directly over.
Preferably, load monitoring mechanism is including fixed setting up the actuator on supporting platform and setting up the force sensor on the actuator, the piston end and the universal joint seat fixed connection of actuator.
Preferably, the actuator is a digital oil cylinder.
Preferably, the displacement monitoring mechanism comprises a shock absorber mounted on the wheel suspension and a displacement sensor arranged on the shock absorber, and two ends of the displacement sensor are respectively connected with a cylinder body and a rod body of the shock absorber.
Preferably, the displacement sensor is a pull rope displacement sensor.
Preferably, the support platform adopts an L-shaped structure, and the actuator is vertically arranged on a beam part of the support platform.
The utility model has the technical effects and advantages that:
1. through starting load monitoring mechanism, apply load power to the wheel suspension, the produced displacement change of simulation wheel suspension when jolting road surface or going uphill and downhill path, the real monitoring wheel of displacement monitoring mechanism hangs the numerical value that produces the displacement change when being applied the load this moment, scientific and accurate record is when being applied the load power, the shock displacement curve that the wheel suspended, obtain the important index and the reference item of wheel suspension structure research, load detection mechanism records the big or small numerical value of different load effort in real time simultaneously, through the displacement change condition of this elastic construction of these two kinds of numerical analysis wheel suspension under the atress condition, promote the research to wheel suspension performance safety and stability.
2. The shock absorber is hung to follow the wheel to generate corresponding deformation displacement, the displacement sensor monitors the magnitude value of the deformation displacement generated by the shock absorber in real time, the real response wheel is hung to change the displacement under the action of dynamic load, a more real displacement value is obtained for testing, and the testing accuracy is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at B.
In the figure: 1. a support platform; 2. a drum; 3. a tire; 4. a load monitoring mechanism; 5. a universal connecting base; 6. wheel suspension; 7. a displacement monitoring mechanism; 8. an actuator; 9. a force sensor; 10. a shock absorber; 11. and a displacement sensor.
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 utility model provides a wheel suspension follow-up type displacement detection structure as shown in figures 1-3, which comprises a support platform 1, a rotary drum 2 and a tire 3 in transmission connection with the rotary drum 2, wherein a load monitoring mechanism 4 is arranged on the support platform 1, a universal connecting seat 5 is arranged at the end part of the load monitoring mechanism 4, a wheel suspension 6 is arranged on the universal connecting seat 5, a displacement monitoring mechanism 7 is arranged on the wheel suspension 6, the wheel suspension 6 is in rotary connection with the tire 3, the tire 3 and the central point of the rotary drum 2 are in the same vertical direction, and the load monitoring mechanism 4 is positioned right above the contact point of the rotary drum 2 and the tire 3.
During testing, the switch is started to enable the rotary drum 2 to rotate, the rotary drum 2 drives the tire 3 to rotate, the vehicle is simulated to run on a road, then a user starts the load monitoring mechanism 4, the load monitoring mechanism 4 drives the universal connecting seat 5 to move vertically, the universal connecting seat 5 drives the wheel suspension 6 to move vertically, so that the running condition of the wheel suspension 6 on a bumpy road surface or an uphill or downhill is simulated, at the moment, the wheel suspension 6 applies a load acting force on the tire 3, the wheel suspension 6 generates displacement change, the displacement monitoring mechanism 7 truly monitors the value of the displacement change of the wheel suspension 6 when a load is applied, scientifically and accurately records the oscillation displacement curve of the wheel suspension 6 when the load is applied, important indexes and reference items of structural research of the wheel suspension 6 are obtained, and meanwhile, the load detecting mechanism records the values of the acting forces of different loads in real time, through the two numerical analysis, the displacement change condition of the elastic structure of the wheel suspension 6 under the stress condition is analyzed, and the research on the performance safety and the stability of the wheel suspension 6 is promoted.
Actuator 8 adopts digital hydro-cylinder, exerts different loading power through control digital hydro-cylinder and drives universal joint seat 5 and wheel suspension 6 and carry out vertical movement, guarantees that the load of exerting is dynamic to the simulation is when the road surface of difference is gone, and the displacement that the wheel suspension 6 took place changes, and the better analysis wheel of help tester hangs 6 performance safety and stability.
The displacement sensor 11 adopts a stay cord displacement sensor, the displacement change of the wheel suspension 6 is monitored through the telescopic record of the stay cord displacement sensor, and the direction of the stay cord displacement sensor moves along with the wheel suspension 6, so that the requirements on the stability and rigidity of the structure are reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a wheel hangs trailing type displacement detection structure, includes supporting platform (1), rotary drum (2) and tire (3) be connected with rotary drum (2) transmission, its characterized in that: the supporting platform is characterized in that a load monitoring mechanism (4) is arranged on the supporting platform (1), the end portion of the load monitoring mechanism (4) is provided with an universal connecting seat (5), a wheel suspension (6) is arranged on the universal connecting seat (5), a displacement monitoring mechanism (7) is arranged on the wheel suspension (6), the wheel suspension (6) is rotatably connected with a tire (3), the tire (3) and the central point of the rotary drum (2) are in the same vertical direction, and the load monitoring mechanism (4) is located right above the contact point of the rotary drum (2) and the tire (3).
2. The wheel suspension follow-up type displacement detection structure according to claim 1, wherein: load monitoring mechanism (4) are including fixed setting up actuator (8) on supporting platform (1) and setting up force sensor (9) on actuator (8), the piston end and universal connection seat (5) fixed connection of actuator (8).
3. The wheel suspension follow-up type displacement detection structure according to claim 2, wherein: the actuator (8) adopts a digital oil cylinder.
4. The wheel suspension follow-up type displacement detection structure according to claim 1, wherein: the displacement monitoring mechanism (7) comprises a shock absorber (10) arranged on the wheel suspension (6) and a displacement sensor (11) arranged on the shock absorber (10), and the two ends of the displacement sensor (11) are respectively connected with a cylinder body and a rod body of the shock absorber (10).
5. The wheel suspension follow-up type displacement detection structure according to claim 4, wherein: the displacement sensor (11) adopts a pull rope displacement sensor.
6. The wheel suspension follow-up type displacement detection structure according to claim 1, wherein: the support platform (1) is of an L-shaped structure, and the actuator (8) is vertically arranged on the cross beam portion of the support platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309551.8U CN215865836U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension follow-up displacement detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309551.8U CN215865836U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension follow-up displacement detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865836U true CN215865836U (en) | 2022-02-18 |
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ID=80315303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309551.8U Active CN215865836U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension follow-up displacement detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215865836U (en) |
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2021
- 2021-06-11 CN CN202121309551.8U patent/CN215865836U/en active Active
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