CN216746814U - Wheel type testing device and wheel road condition simulation fatigue testing machine - Google Patents
Wheel type testing device and wheel road condition simulation fatigue testing machine Download PDFInfo
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- CN216746814U CN216746814U CN202220017227.7U CN202220017227U CN216746814U CN 216746814 U CN216746814 U CN 216746814U CN 202220017227 U CN202220017227 U CN 202220017227U CN 216746814 U CN216746814 U CN 216746814U
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Abstract
The utility model provides a wheel type testing device and a wheel road condition simulation fatigue testing machine. A wheel type test device comprises a base; the mounting main shaft comprises a first shaft body and a second shaft body which are connected in a rotating manner; the steering mechanism comprises a hydraulic rod, a brake disc, a sliding sleeve and an angle sensor, the sliding sleeve is sleeved on the first shaft body and is rotatably connected with the brake disc, one end of the hydraulic rod is rotatably connected with the sliding sleeve, the other end of the hydraulic rod is rotatably connected with the brake disc, and the angle sensor is simultaneously connected with the brake disc and the sliding sleeve; the left-right moving mechanism comprises a moving motor, a screw nut assembly and a guide rail sliding block pair, wherein the moving motor is installed on the base, the moving motor is connected with a screw of the screw nut assembly, the screw of the screw nut assembly is connected with the second shaft body, and the guide rail sliding block pair is formed between the second shaft body and the base. A wheel road condition simulation fatigue testing machine comprises a rack, a wheel type testing device, a rotating mechanism and a pushing cylinder.
Description
Technical Field
The utility model relates to a wheel type testing device and a wheel road condition simulation fatigue testing machine, and belongs to the technical field of testing machines.
Background
The light weight of the automobile is the main development trend, and the forged aluminum alloy wheel has the advantages of light weight, good strength, various shapes, attractive appearance and the like compared with the traditional steel wheel and cast wheel. Along with the fact that the use rate of forged aluminum alloy wheels in finished automobiles is higher and higher, the forged aluminum alloy wheels are limited to the field, the road test cost and other factors, and a testing machine for simulating the use of the wheels is produced. Defects and hidden dangers of the finished product wheel are found in the test, and a test conclusion is obtained, so that the hidden dangers are eliminated, the performance of the finished product is provided, and the competitiveness of the product in the market is enhanced.
The traditional wheel fatigue testing machine needs two radial and bending testing machines to finish independently, most cracks at the R arc of the wheel rim are found from the scrapped wheel, and the cracks are mostly at the bolt holes of the mounting disc and the wind holes in the test conclusion and have larger difference, so that the running state and the stress point of the test and the wheel under the real road condition have great difference.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wheel type testing device and a wheel road condition simulation fatigue testing machine.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a wheel type test device comprises
A base;
the mounting main shaft comprises a first shaft body and a second shaft body which are connected in a rotating manner;
the steering mechanism comprises a hydraulic rod, a brake disc, a sliding sleeve and an angle sensor, the sliding sleeve is sleeved on the first shaft body and is rotatably connected with the brake disc, one end of the hydraulic rod is rotatably connected with the sliding sleeve, the other end of the hydraulic rod is rotatably connected with the brake disc, and the angle sensor is simultaneously connected with the brake disc and the sliding sleeve;
the left-right moving mechanism comprises a moving motor, a screw nut assembly and a guide rail sliding block pair, wherein the moving motor is installed on the base, the moving motor is connected with a screw of the screw nut assembly, the screw of the screw nut assembly is connected with the second shaft body, and the guide rail sliding block pair is formed between the second shaft body and the base.
On the basis of the wheel type test device, a shock absorber is arranged in the mounting main shaft.
On the basis of the wheel type test device, the base further comprises a limiting block.
A wheel road condition simulation fatigue testing machine comprises a frame, a wheel type testing device, a rotating mechanism and a pushing cylinder;
the rotating mechanism comprises a rotating motor and a rotating disc, and the output end of the rotating motor is connected with the rotating disc;
one end of the pushing cylinder is fixed on the frame, and the other end of the pushing cylinder is connected with the base;
a movable sliding block pair is formed between the base and the frame;
the brake disc is connected with the tire to be tested and is positioned below the turntable.
The utility model has the advantages that:
the wheel fatigue testing machine can simulate the stress condition of the wheel in the actual use process, has higher use reduction degree compared with the traditional wheel fatigue testing machine, finds more product defects, increases the accuracy and the reliability of the experimental result, reduces multiple test times of the same wheel type, saves labor cost, reduces the working strength of personnel and reduces waste in product tests.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
Fig. 1 is a schematic structural diagram of the wheel road condition simulation fatigue testing machine of the present invention.
Fig. 2 is a schematic structural diagram of the wheel type testing apparatus of the present invention.
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.
Referring to fig. 2, a wheel type testing apparatus includes a base 21, a mounting spindle, a steering mechanism, and a left-right moving mechanism; the mounting main shaft comprises a first shaft body 22 and a second shaft body 23 which are rotatably connected with the first bearing 15; the steering mechanism comprises a hydraulic rod 12, a brake disc 8, a sliding sleeve 24 and an angle sensor 14, the sliding sleeve 24 is sleeved on the first shaft body 22 and is rotatably connected with the brake disc 8, one end of the hydraulic rod 12 is rotatably connected with the sliding sleeve 24 through a second bearing 11, the other end of the hydraulic rod is rotatably connected with the brake disc 8 through a third bearing 10, the brake disc 8 is connected with the sliding sleeve 24 through a fourth bearing 13, and the angle sensor 14 is simultaneously connected with the brake disc 8 and the sliding sleeve 24; the left-right moving mechanism comprises a moving motor 18, a lead screw and nut assembly 17 and a guide rail sliding block pair 19, wherein the moving motor 18 is installed on a base 21, the moving motor 18 is connected with a lead screw of the lead screw and nut assembly 17, a nut of the lead screw and nut assembly 17 is connected with a second shaft body 23, and the guide rail sliding block pair 19 is formed between the second shaft body 23 and the base 21.
In this embodiment, a damper 16 is provided in the mounting spindle.
In this embodiment, the base 21 further includes a limiting block 20.
Referring to fig. 1, a wheel road condition simulation fatigue testing machine comprises a frame, a wheel type testing device, a rotating mechanism and a pushing cylinder 6; the rotating mechanism comprises a rotating motor 1 and a rotating disc 3, and the output end of the rotating motor 1 is connected with the rotating disc 3 through a bearing 2; one end of the pushing cylinder 6 is fixed on the frame, and the other end is connected with the base 21; a movable sliding block pair is formed between the base 21 and the frame; the brake disc 8 is connected with the tire 5 to be tested and is positioned below the turntable 3.
The basic principle is that a rotating motor 1 drives a rotating disc 3 to rotate (a bolt hole 4 is reserved on the surface of the rotating disc so as to be provided with an obstacle tool for simulating a smooth and bumpy road surface on the subsequent surface), a pushing cylinder 6 pushes a base to move forwards until a tire 5 is in contact with the rotating disc 3, a pressure detection device detects the contact of the tire to reach a set load and drive a wheel to rotate, and a limiting body 7 is adjusted to a proper position so as to prevent the tire from being burst and losing pressure and then continues to push forwards.
The wheel rotates around a main shaft bearing 9, the wheel is braked by a brake disc 8 when the wheel stops, steering parameters (steering angle, frequency, speed and the like) are set in the wheel rotating process, a hydraulic rod 12 drives the wheel to rotate around a fourth bearing 13 through a bearing 10 and a bearing 11 to realize steering, an angle sensor 14 detects the steering angle and whether the steering angle returns, a moving motor 18 drives a screw assembly 17 to rotate while the wheel is steering, the whole wheel moves left and right along a guide rail sliding block pair 19 in the same steering direction, the steering action is realized in the wheel rotating process, the wheel is enabled to realize left and right lane changing on the surface of a rotating disc, and the driving state of a vehicle direction wheel is simulated. And a limiting block 20 is arranged at the slide rail of the guide rail slide block pair 19 to prevent overtravel. When the surface of the rotary table 3 is additionally provided with the obstacle tool to simulate bumpy road surfaces or tire burst, the equipment is easily damaged due to vibration or impact, the integral mounting main shaft is divided into a first shaft body 22 and a second shaft body 23 which are connected through a first bearing 15, and a shock absorber 16 is arranged to reduce vibration impact on the integral base 21.
And testing after the wheel debugging parameters are installed.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A wheel type test device is characterized in that: comprises that
A base (21);
the mounting main shaft comprises a first shaft body (22) and a second shaft body (23) which are connected in a rotating manner;
the steering mechanism comprises a hydraulic rod (12), a brake disc (8), a sliding sleeve (24) and an angle sensor (14), the sliding sleeve (24) is sleeved on the first shaft body (22) and is rotatably connected with the brake disc (8), one end of the hydraulic rod (12) is rotatably connected with the sliding sleeve (24), the other end of the hydraulic rod is rotatably connected with the brake disc (8), and the angle sensor (14) is simultaneously connected with the brake disc (8) and the sliding sleeve (24);
the left-right moving mechanism comprises a moving motor (18), a screw and nut assembly (17) and a guide rail sliding block pair (19), wherein the moving motor (18) is installed on a base (21), the moving motor (18) is connected with a screw of the screw and nut assembly (17), a nut of the screw and nut assembly (17) is connected with a second shaft body (23), and the guide rail sliding block pair (19) is formed between the second shaft body (23) and the base (21).
2. The wheel pattern testing apparatus according to claim 1, wherein: a shock absorber (16) is arranged in the mounting main shaft.
3. The wheel pattern testing apparatus according to claim 1, wherein: the base (21) also comprises a limiting block (20).
4. The utility model provides a wheel road conditions simulation fatigue testing machine which characterized in that: comprising a frame, a wheel type testing device according to claim 1 or 2 or 3, a rotating mechanism and a pushing cylinder (6);
the rotating mechanism comprises a rotating motor (1) and a rotating disc (3), and the output end of the rotating motor (1) is connected with the rotating disc (3);
one end of the pushing cylinder (6) is fixed on the frame, and the other end is connected with the base (21);
a movable sliding block pair is formed between the base (21) and the frame;
the brake disc (8) is connected with the tire (5) to be tested and is positioned below the turntable (3).
5. The wheel road condition simulation fatigue testing machine of claim 4, wherein: an adjusting limit block (7) is arranged on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220017227.7U CN216746814U (en) | 2022-01-06 | 2022-01-06 | Wheel type testing device and wheel road condition simulation fatigue testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220017227.7U CN216746814U (en) | 2022-01-06 | 2022-01-06 | Wheel type testing device and wheel road condition simulation fatigue testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216746814U true CN216746814U (en) | 2022-06-14 |
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ID=81911557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220017227.7U Active CN216746814U (en) | 2022-01-06 | 2022-01-06 | Wheel type testing device and wheel road condition simulation fatigue testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216746814U (en) |
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2022
- 2022-01-06 CN CN202220017227.7U patent/CN216746814U/en active Active
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