CN215115189U - Wheel suspension double-load test structure - Google Patents
Wheel suspension double-load test structure Download PDFInfo
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- CN215115189U CN215115189U CN202121309347.6U CN202121309347U CN215115189U CN 215115189 U CN215115189 U CN 215115189U CN 202121309347 U CN202121309347 U CN 202121309347U CN 215115189 U CN215115189 U CN 215115189U
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- wheel suspension
- actuator
- supporting seat
- load test
- test structure
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Abstract
The utility model discloses a wheel hangs dual load test structure, rotate the rotary drum of being connected including supporting seat, tire body and with the tire body, install sharp actuating mechanism on the supporting seat, the fixed preloading support that is provided with of the expansion end of sharp actuating mechanism, preloading support and supporting seat sliding connection, install the actuator on the supporting seat, universal connecting seat is installed to the piston end of actuator, the wheel is installed to universal connecting seat's bottom and is hung, the wheel hangs and rotates with the tire body and be connected. The device simulates the excitation of the wheel suspension to the outside by applying two different loads, is the most practical simulation for testing outdoor actual driving, and the detected result and parameters are also the most practical, so that the improvement and research on the wheel suspension are improved.
Description
Technical Field
The utility model belongs to the technical field of road simulation test equipment, concretely relates to wheel suspension double-load test structure.
Background
The wheel suspension generally refers to a structure formed by a spring and a shock absorber between a vehicle body main body and a tire body, the wheel suspension has the functions of supporting the vehicle body and load and improving riding feeling, and the stability, comfort and safety of a car are directly influenced by the quality of the wheel suspension, so that the wheel suspension performance and safety test are important indexes for researching the performance of the whole car, outdoor real car test is always the main mode for testing the wheel suspension, indoor road simulation test is always improved and researched on the wheel suspension, and corresponding wheel suspension test equipment is also always researched and updated iteratively.
In the actual driving process of the automobile, the dead weight of the automobile and the weight of a driver act on the wheel suspension, and then the dead weight and the weight of the driver are applied to a road surface through the tire body, the part can be regarded as constant and normal, if the automobile runs at a constant speed, the force supported by the wheel suspension is only the dead weight of the automobile and the driver, when the wheel suspension passes through a bumpy road surface or an up-and-down slope road section, the wheel suspension is forced to be self-adjusted due to interference and excitation appearing from the outside, the loads of the two parts have influences on the wheel suspension, the two parts are important parameters for detecting the wheel suspension, the load force applied to the wheel suspension by the conventional testing device is single, the driving condition of the wheel in the actual road can not be really simulated, and the obtained research data has larger deviation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel suspension double load test structure comes into operation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wheel hangs dual load test structure, includes supporting seat, tire body and the rotary drum of being connected with the transmission of tire body, install sharp actuating mechanism on the supporting seat, the fixed pre-load support that is provided with of the expansion end of sharp actuating mechanism, pre-load support and supporting seat sliding connection, install the actuator on the pre-load support, universal connecting seat is installed to the piston end of actuator, the wheel is installed to universal connecting seat's bottom and is hung, the wheel hangs and rotates with the tire body and be connected.
Preferably, the linear driving mechanism comprises a servo motor fixedly mounted on the support seat, a ball screw fixedly arranged at the output end of the servo motor through a coupler, and a sliding block arranged on the ball screw in a threaded transmission manner, and the sliding block is fixedly connected with the preloading support.
Preferably, a vertical guide rail is arranged on the support seat, and the preloading support is slidably arranged in the vertical guide rail.
Preferably, a vertical groove is formed in the preloading support, and the oil cylinder end of the actuator is slidably arranged in the vertical groove.
Preferably, the preloading support is in an L-shaped structure, and the actuator is vertically arranged on the beam part of the preloading support.
Preferably, the actuator is located directly above the contact point of the tyre body and the drum.
The utility model discloses a technological effect and advantage:
1. the servo motor is started and matched with the ball screw and the sliding block to drive the preloading support to vertically move, so that a certain load is preloaded between the tire body of the wheel suspension and the rotary drum, then a user starts the actuator, and the actuator drives the tire body to vertically move through the universal connecting seat, so that the condition that the wheel suspension road actually drives outdoors through a bumpy road surface or an up-down slope road section and the like is simulated; the simulation of the excitation of the wheel suspension to the outside world by applying two different loads is the most practical simulation for testing outdoor actual driving, and the detected result and parameters are also the most practical, so that the improvement and research on the wheel suspension are improved.
2. When testing, the contact point of tire body and rotary drum is vertical direction to all loading power are vertical direction, thereby has improved the authenticity of simulation actual driving condition, further improvement the condition that the result and the parameter that detect more accord with reality, thereby further improved improvement and research to the wheel suspension.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of fig. 1 at a.
In the figure: 1. a supporting seat; 2. a tire body; 3. a drum; 4. a linear drive mechanism; 5. a preload cradle; 6. an actuator; 7. a universal connecting base; 8. wheel suspension; 9. a servo motor; 10. a ball screw; 11. a slider; 12. a vertical guide rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.
The utility model provides a wheel hangs double load test structure as shown in fig. 1-2, including supporting seat 1, tire body 2 and the rotary drum 3 of being connected with the transmission of tire body 2, install sharp actuating mechanism 4 on the supporting seat 1, the fixed preloading support 5 that is provided with of expansion end of sharp actuating mechanism 4, preloading support 5 and 1 sliding connection of supporting seat, install actuator 6 on the preloading support 5, universal connection seat 7 is installed to actuator 6's piston end, wheel suspension 8 is installed to universal connection seat 7's bottom, wheel suspension 8 rotates with tire body 2 and is connected.
During testing, firstly, the switch is started to enable the rotary drum 3 to rotate, the rotary drum 3 drives the tire body 2 to rotate, then a user starts the linear driving mechanism 4, the linear driving mechanism 4 drives the pre-loading support 5 to perform vertical motion, the pre-loading support 5 drives the actuator 6 to perform vertical motion, the actuator 6 drives the universal connecting seat 7 to perform vertical motion, the universal connecting seat 7 drives the tire body 2 to perform vertical motion through the wheel suspension 8, a certain load is pre-loaded between the tire body 2 of the wheel suspension 8 and the rotary drum 3, the wheel is simulated to run at a constant speed, and under the condition of no excitation, the force supported by the wheel suspension 8 is only the self weight of an automobile and a driver; later the user start actuator 6, actuator 6 drives universal joint seat 7 and carries out vertical motion, universal joint seat 7 hangs 8 through the wheel and drives tire body 2 and carry out vertical motion, thereby the simulation wheel hangs 8 road through the condition of jolting outdoor actual driving such as road surface or the uphill road section, simulate wheel through applying two kinds of different loads and hang 8 excitation to the external world, be the simulation of carrying out the most tangential reality of experiment to outdoor actual driving, the result and the parameter that detect also are most tangential reality, thereby can improve improvement and research to wheel suspension 8.
The linear driving mechanism 4 comprises a servo motor 9 fixedly installed on the supporting seat 1, a ball screw 10 fixedly arranged at the output end of the servo motor 9 through a coupler, and a sliding block 11 arranged on the ball screw 10 in a threaded transmission mode, the sliding block 11 is fixedly connected with the preloading support 5, during testing, the servo motor 9 is started, the servo motor 9 drives the ball screw 10 to rotate through the coupler, the ball screw 10 drives the sliding block 11 to vertically move, the sliding block 11 drives the preloading support 5 to vertically move, the preloading support 5 drives an actuator 6 and a universal connecting seat 7 to vertically move, so that 8 preloading is suspended on a wheel, and the situation that the wheel is suspended 8 in driving is simulated.
The vertical guide rail 12 is arranged on the supporting seat 1, the preloading support 5 is arranged in the vertical guide rail 12 in a sliding mode, the preloading support 5 is guaranteed to move along the vertical direction when moving, and the reality of simulating the actual driving condition is improved.
Vertical grooves are formed in the preloading support 5, the oil cylinder end of the actuator 6 is arranged in the vertical grooves in a sliding mode, the oil cylinder end of the actuator 6 is guaranteed to move along the vertical direction, and the reality of simulating the actual driving condition is improved.
The preloading support 5 is of an L-shaped structure, the actuator 6 is vertically arranged on the beam portion of the preloading support 5, the actuator 6 can move in the same direction when the preloading support 5 vertically moves, and authenticity of simulation of actual driving conditions is improved.
Actuator 6 is located tire body 2 and directly over the rotary drum 3 contact point, makes the loading power of simulation all in vertical direction, improves the authenticity of simulation actual driving condition.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a wheel hangs dual load test structure, includes supporting seat (1), tire body (2) and rotary drum (3) be connected with tire body (2) transmission, its characterized in that: install sharp actuating mechanism (4) on supporting seat (1), the expansion end of sharp actuating mechanism (4) is fixed to be provided with preloading support (5), preloading support (5) and supporting seat (1) sliding connection, install actuator (6) on preloading support (5), universal connecting seat (7) are installed to the piston end of actuator (6), wheel suspension (8) are installed to the bottom of universal connecting seat (7), wheel suspension (8) rotate with tire body (2) and are connected.
2. The wheel suspension double load test structure according to claim 1, wherein: the linear driving mechanism (4) comprises a servo motor (9) fixedly installed on the supporting seat (1), a ball screw (10) fixedly arranged at the output end of the servo motor (9) through a coupler, and a sliding block (11) arranged on the ball screw (10) in a threaded transmission mode, wherein the sliding block (11) is fixedly connected with the preloading support (5).
3. The wheel suspension double load test structure according to claim 1, wherein: a vertical guide rail (12) is arranged on the supporting seat (1), and the preloading support (5) is arranged in the vertical guide rail (12) in a sliding mode.
4. The wheel suspension double load test structure according to claim 1, wherein: a vertical groove is formed in the preloading support (5), and the oil cylinder end of the actuator (6) is arranged in the vertical groove in a sliding mode.
5. The wheel suspension double load test structure according to claim 1, wherein: the preloading support (5) adopts an L-shaped structure, and the actuator (6) is vertically arranged on a beam part of the preloading support (5).
6. The wheel suspension double load test structure according to claim 1, wherein: the actuator (6) is positioned right above the contact point of the tire body (2) and the rotary drum (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309347.6U CN215115189U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension double-load test structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121309347.6U CN215115189U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension double-load test structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215115189U true CN215115189U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121309347.6U Active CN215115189U (en) | 2021-06-11 | 2021-06-11 | Wheel suspension double-load test structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215115189U (en) |
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2021
- 2021-06-11 CN CN202121309347.6U patent/CN215115189U/en active Active
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