CN217032994U - Torsion applying assembly of steering wheel torsion fatigue experiment device - Google Patents
Torsion applying assembly of steering wheel torsion fatigue experiment device Download PDFInfo
- Publication number
- CN217032994U CN217032994U CN202220401252.5U CN202220401252U CN217032994U CN 217032994 U CN217032994 U CN 217032994U CN 202220401252 U CN202220401252 U CN 202220401252U CN 217032994 U CN217032994 U CN 217032994U
- Authority
- CN
- China
- Prior art keywords
- steering wheel
- sleeve
- pull rod
- assembly
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002474 experimental method Methods 0.000 title claims description 12
- 238000009434 installation Methods 0.000 claims abstract description 24
- 238000009661 fatigue test Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Landscapes
- Steering Controls (AREA)
Abstract
The utility model relates to the technical field of automobiles, in particular to a torsion applying assembly of a steering wheel torsion fatigue testing device, which comprises a pull rod assembly connected and arranged at the working end of a telescopic mechanism, wherein the front end of the pull rod assembly is a connecting end, a pull plate which is vertically and upwards arranged on the pull rod assembly is arranged corresponding to the connecting end, the upper end of the pull plate is used for being connected with a steering wheel and applying tension, a mounting hole is arranged corresponding to the connecting end on the pull plate, and a connecting column is horizontally arranged in the mounting hole and connected with the connecting end; the length section that is relative with the mounting hole inner on the spliced pole protrusion forms the arch of floating, and protruding outer periphery of floating is the design of spherical surface in order to form the cooperation sphere wholly, and the inner periphery wall of mounting hole inner end is the spherical surface design and forms the installation sphere and with cooperation sphere floating fit. The utility model has the advantages of simple structural design, capability of better applying torque to the steering wheel to be detected, more reasonable applied torque and capability of improving the detection rationality.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a torsion applying assembly of a steering wheel torsion fatigue testing device.
Background
A steering wheel for a vehicle is a wheel-like device used to steer the wheels of the vehicle to control the direction of travel of the vehicle. The driver directly applies torque to a steering wheel, and the steering wheel transmits the torque to wheels through a steering shaft connected with the steering wheel so as to control the automobile to complete steering.
In the use process of the automobile steering wheel, two hands of a driver can be usually supported on two sides of the steering wheel, and thrust and pulling forces are respectively applied to rotate the steering wheel, and then the rotating shaft connected with the connecting shaft at the central position of the rotating shaft is driven to rotate so as to control the driving direction of the automobile. This results in a steering wheel that is repeatedly subjected to torques in different directions. It is very important to simulate the torsional fatigue strength of a test steering wheel. As shown in fig. 4, in the conventional apparatus,
after a connecting shaft at the center of the steering wheel is fixed, the two cylinders are adopted to pull the steering wheel to rotate at two sides so as to test the fatigue resistance of the steering wheel. However, the above-described structure has the following problems: after the steering wheel rotates for a certain angle under the action of pulling force, the radial force borne by a piston rod of the cylinder is increased, and the torsion cannot be well provided; secondly, when torque for the steering wheel to rotate is applied to the steering wheel, the applied torque does not slowly reach a required torque value, so that the detection is not scientific and reasonable enough, and a simulation detection experiment cannot be well completed.
Therefore, how to provide a torque applying assembly of a steering wheel torsion fatigue testing device, which has a simple structural design, can better apply torque to a tested steering wheel, and can apply more reasonable torque so as to improve the detection reasonableness, becomes a technical problem to be solved by a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a torque applying assembly for a steering wheel torsional fatigue testing apparatus, which has a simple structure and design, can apply a torque to a steering wheel to be tested better, and can apply a torque more reasonably to improve the detection reasonableness.
In order to achieve the purpose, the utility model provides a torsion applying assembly of a steering wheel torsion fatigue testing device, which comprises a pull rod assembly connected and arranged at the working end of a telescopic mechanism, wherein the front end of the pull rod assembly is a connecting end, a pull plate which is vertically and upwards arranged on the pull rod assembly is arranged corresponding to the connecting end, the upper end of the pull plate is used for being connected with a steering wheel and applying tension, a mounting hole is arranged on the pull plate corresponding to the connecting end, and a connecting column is horizontally arranged in the mounting hole and connected with the connecting end; the floating installation structure is characterized in that a length section opposite to the inner end of the installation hole on the connecting column protrudes to form a floating protrusion, the outer circumferential surface of the floating protrusion is integrally designed into a spherical surface to form a matched spherical surface, and the inner circumferential wall of the inner end of the installation hole is designed into a spherical surface to form an installation spherical surface and is in floating fit with the matched spherical surface.
Like this, foretell steering wheel twists reverse fatigue test device's torsion and applys the subassembly when using, telescopic machanism can drive the arm-tie motion of pull rod assembly and pull rod assembly front end, and at this in-process, the arm-tie upper end links up the atress with the steering wheel for the arm-tie can produce and float and incline to extreme position. After the steering wheel rotates a certain angle, the connecting column and the pull rod can generate a certain floating amount according to the rotation of the steering wheel, so that the telescopic mechanism can better provide pulling force, the radial force received by the telescopic mechanism (cylinder) is smaller, the torque can be better detected and controlled, and the better fatigue test experiment can be completed.
Preferably, the working end of the telescopic mechanism is detachably connected with a connecting sleeve, and the far end of the connecting sleeve is detachably connected with the pull rod assembly.
Like this, the telescopic machanism, adapter sleeve, pull rod assembly realize dismantling the connection between the three, and structural design is more reasonable.
Preferably, a first threaded connection hole is formed in the end face, opposite to the working end of the telescopic mechanism, of the connecting sleeve, the telescopic mechanism is provided with a telescopic working rod, the far end of the telescopic working rod is formed, the working end of the telescopic working rod is connected in the first threaded connection hole in a threaded manner, a first locking nut is arranged on the telescopic working rod in a threaded fit manner, and the first locking nut is supported on the end face of the connecting sleeve in an abutting manner.
Therefore, the connecting sleeve and the telescopic working rod are simpler to connect and more convenient to disassemble and assemble.
Preferably, a second threaded connecting hole is formed in the end face, opposite to the pull rod assembly, of the connecting sleeve, the rear end of the pull rod assembly is a fixed end and is arranged in the second threaded connecting hole in a threaded matching mode, a second locking nut is arranged on the fixed end in a threaded matching mode, and the second locking nut is supported on the end face of the connecting sleeve in an abutting mode.
Like this, be connected between adapter sleeve and the pull rod subassembly more simply, make things convenient for dismouting and adjustment between the two.
Preferably, an installation sleeve is arranged in the installation hole, and the inner end of the inner hole of the installation sleeve forms the installation spherical surface.
Therefore, the installation sleeve is arranged, the installation spherical surface is formed in the inner hole of the installation sleeve, the pull plate can be protected, and the replacement is convenient.
As optimization, the end face of the connecting column horizontally penetrates through a fixing hole, and the connecting end horizontally penetrates through the fixing hole and is provided with a limiting nut in a threaded fit mode.
Therefore, the connecting column and the pull rod assembly are simpler to connect and more convenient to disassemble and assemble.
Preferably, the pull rod assembly comprises a connecting cylinder at the rear end and a connecting rod at the front end, and the rear end of the connecting rod can slidably extend into the connecting cylinder; the rear end of the connecting rod is also provided with a limiting shaft shoulder, and the inner peripheral wall of the front end of the inner hole of the connecting cylinder is provided with a circle of positioning shaft shoulders to prevent the connecting rod from falling off from the front end of the connecting cylinder; and the connecting rod is sleeved with a spiral spring, and two ends of the spiral spring can be respectively abutted against the limiting shaft shoulder and the positioning shaft shoulder.
Like this, when exerting pulling force to the steering wheel, because of the design has coil spring as buffer member, from little gradual increase during the pulling force exerted, the actual stress state of simulation formation during operation that can be better, fatigue detection experiment is accomplished in simulation that can be better for the experiment is accurate more reliable.
Preferably, the coil spring comprises a first coil spring and a second coil spring which are arranged at intervals, a sleeve is arranged between the first coil spring and the second coil spring, and the sleeve is slidably sleeved on the connecting rod.
Like this, through design sleeve, first coil spring and second coil spring, structural design is more reasonable, can make connecting cylinder and connecting rod cooperation more reasonable.
Drawings
Fig. 1 is a schematic structural diagram in an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a partially enlarged schematic view of a position a in fig. 2.
Fig. 4 is a schematic structural view of a conventional apparatus.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like are used in the description of the utility model to indicate orientations and positional relationships based on those shown in the drawings, and are used for convenience in describing the utility model and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the utility model. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, a torsion applying assembly of a steering wheel torsion fatigue testing device comprises a pull rod assembly 2 connected and arranged at a working end of a telescopic mechanism 1, wherein the front end of the pull rod assembly is a connecting end, a pull plate 3 which is arranged upwards and perpendicular to the pull rod assembly is arranged corresponding to the connecting end, the upper end of the pull plate is used for being connected with a steering wheel and applying a pulling force, a mounting hole is arranged on the pull plate corresponding to the connecting end, and a connecting column 4 is horizontally arranged in the mounting hole and connected with the connecting end; the length section protrusion relative with the mounting hole inner on the spliced pole forms protruding 5 that floats, and protruding outer periphery of floating is whole to be spherical surface design in order to form cooperation sphere 6, and the inner periphery wall of mounting hole inner end is the spherical surface design and forms installation sphere 7 and with cooperation sphere cooperation of floating.
Therefore, when the torsion applying assembly of the steering wheel torsion fatigue experiment device is used, the telescopic mechanism can drive the pull rod assembly and the pull plate at the front end of the pull rod assembly to move, and in the process, the upper end of the pull plate is connected with the steering wheel to bear force, so that the pull plate can float and incline to the limit position. After the steering wheel rotates a certain angle, the connecting column and the pull rod can generate a certain floating amount according to the rotation of the steering wheel, so that the telescopic mechanism can better provide pulling force, the radial force received by the telescopic mechanism (cylinder) is smaller, the detection and the control of the torque can be better, and the better fatigue test experiment after the completion is carried out.
In the embodiment, the working end of the telescopic mechanism is detachably connected with the connecting sleeve 8, and the far end of the connecting sleeve is detachably connected with the pull rod assembly.
Like this, realize dismantling the connection between telescopic machanism, adapter sleeve, the pull rod subassembly three, structural design is more reasonable.
In this specific embodiment, be equipped with first threaded connection hole on the terminal surface relative with telescopic machanism work end on the adapter sleeve, telescopic machanism has flexible working rod 9, and flexible working rod distal end forms work end and threaded connection are in first threaded connection hole, still screw-thread fit is equipped with first lock nut 10 on flexible working rod, and first lock nut butt supports on the adapter sleeve terminal surface.
Therefore, the connecting sleeve and the telescopic working rod are simpler to connect and more convenient to disassemble and assemble.
In this embodiment, a second threaded connection hole is disposed on an end surface of the connection sleeve opposite to the pull rod assembly, the rear end of the pull rod assembly is a fixed end and is disposed in the second threaded connection hole in a threaded fit manner, a second locking nut 11 is disposed on the fixed end in a threaded fit manner, and the second locking nut abuts against and is supported on the end surface of the connection sleeve.
Like this, be connected between adapter sleeve and the pull rod subassembly more simply, make things convenient for dismouting and adjustment between the two.
In this embodiment, a mounting sleeve 12 is provided in the mounting hole, and the inner end of the mounting sleeve inner hole forms the mounting spherical surface.
Like this, through setting up the installation cover, form the installation sphere at the installation cover hole, can play the guard action to the arm-tie, still convenient the change.
In this embodiment, the spliced pole terminal surface level is run through and is equipped with the fixed orifices, the link level passes the fixed orifices and screw-thread fit is provided with stop nut 13.
Therefore, the connecting column and the pull rod assembly are simpler to connect and more convenient to disassemble and assemble.
In this embodiment, the tie bar assembly includes a connecting cylinder 14 at the rear end and a connecting rod 15 at the front end, and the rear end of the connecting rod slidably extends into the connecting cylinder; the rear end of the connecting rod is also provided with a limiting shaft shoulder, and the inner peripheral wall of the front end of the inner hole of the connecting cylinder is provided with a circle of positioning shaft shoulders to prevent the connecting rod from falling off from the front end of the connecting cylinder; and the connecting rod is sleeved with a spiral spring, and two ends of the spiral spring can be respectively abutted against the limiting shaft shoulder and the positioning shaft shoulder.
Like this, when exerting pulling force to the steering wheel, because of the design has coil spring as buffer member, from little gradual increase during the pulling force exerted, the actual stress state of simulation formation during operation that can be better, fatigue detection experiment is accomplished in simulation that can be better for the experiment is accurate more reliable.
In this embodiment, the coil spring includes a first coil spring 16 and a second coil spring 17 which are arranged at intervals, and a sleeve 18 is arranged between the first coil spring and the second coil spring, and the sleeve is slidably sleeved on the connecting rod.
Like this, through design sleeve, first coil spring and second coil spring, structural design is more reasonable, can make connecting cylinder and connecting rod cooperation more reasonable.
In conclusion, the structure of the utility model has the characteristics of simple structure and more reasonable design. The structure of the utility model is adopted to apply tension to the steering wheel, so that torque can be better applied to the steering wheel to be detected, and the applied torque is more reasonable, so that the detection rationality can be improved.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.
Claims (8)
1. A torsion applying assembly of a steering wheel torsion fatigue experiment device comprises a pull rod assembly which is connected and arranged at the working end of a telescopic mechanism, wherein the front end of the pull rod assembly is a connecting end, a pull plate which is vertically and upwards arranged on the pull rod assembly is arranged corresponding to the connecting end, the upper end of the pull plate is used for being connected with a steering wheel and applying tension, a mounting hole is formed in the pull plate corresponding to the connecting end, and a connecting column is horizontally arranged in the mounting hole and is connected with the connecting end; the floating spherical installation structure is characterized in that a length section opposite to the inner end of the installation hole on the connecting column protrudes to form a floating protrusion, the whole outer circumferential surface of the floating protrusion is designed into a spherical surface to form a matched spherical surface, and the inner circumferential wall of the inner end of the installation hole is designed into a spherical surface to form an installation spherical surface and is in floating fit with the matched spherical surface.
2. A torque application assembly for a steering wheel torsional fatigue test apparatus as set forth in claim 1, wherein: the working end of the telescopic mechanism is detachably connected with a connecting sleeve, and the far end of the connecting sleeve is detachably connected with the pull rod assembly.
3. A torque application assembly for a steering wheel torsional fatigue test apparatus as set forth in claim 2, wherein: be equipped with first threaded connection hole on the terminal surface relative with telescopic machanism work end on the adapter sleeve, telescopic machanism has flexible working beam, and flexible working beam distal end forms work end and threaded connection are in the first threaded connection hole, it is equipped with first lock nut still to go back screw-thread fit on flexible working beam, and first lock nut butt supports on the adapter sleeve terminal surface.
4. The torque application assembly of a steering wheel torsional fatigue test apparatus of claim 2, wherein: and a second threaded connecting hole is formed in the end face, opposite to the pull rod assembly, of the connecting sleeve, the rear end of the pull rod assembly is a fixed end and is arranged in the second threaded connecting hole in a threaded fit manner, a second locking nut is arranged on the fixed end in a threaded fit manner, and the second locking nut is abutted to and supported on the end face of the connecting sleeve.
5. The torque application assembly of a steering wheel torsional fatigue test apparatus of claim 1, wherein: and an installation sleeve is arranged in the installation hole, and the inner end of the inner hole of the installation sleeve forms the installation spherical surface.
6. The torque application assembly of a steering wheel torsional fatigue test apparatus of claim 1, wherein: the spliced pole terminal surface level is run through and is equipped with the fixed orifices, the link level passes the fixed orifices and screw-thread fit is provided with stop nut.
7. A torque application assembly for a steering wheel torsional fatigue test apparatus as set forth in claim 1, wherein: the pull rod assembly comprises a connecting cylinder at the rear end and a connecting rod at the front end, and the rear end of the connecting rod can slidably extend into the connecting cylinder; the rear end of the connecting rod is also provided with a limiting shaft shoulder, and the inner peripheral wall of the front end of the inner hole of the connecting cylinder is provided with a circle of positioning shaft shoulders to prevent the connecting rod from falling off from the front end of the connecting cylinder; and the connecting rod is sleeved with a spiral spring, and two ends of the spiral spring can be respectively abutted against the limiting shaft shoulder and the positioning shaft shoulder.
8. The torque application assembly of a steering wheel torsional fatigue test apparatus of claim 7, wherein: the spiral spring comprises a first spiral spring and a second spiral spring which are arranged at intervals, a sleeve is arranged between the first spiral spring and the second spiral spring, and the sleeve is sleeved on the connecting rod in a slidable mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401252.5U CN217032994U (en) | 2022-02-25 | 2022-02-25 | Torsion applying assembly of steering wheel torsion fatigue experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401252.5U CN217032994U (en) | 2022-02-25 | 2022-02-25 | Torsion applying assembly of steering wheel torsion fatigue experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032994U true CN217032994U (en) | 2022-07-22 |
Family
ID=82451418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401252.5U Active CN217032994U (en) | 2022-02-25 | 2022-02-25 | Torsion applying assembly of steering wheel torsion fatigue experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217032994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624616A (en) * | 2021-06-21 | 2021-11-09 | 安徽工程大学 | Automobile steering wheel torsion detection device |
-
2022
- 2022-02-25 CN CN202220401252.5U patent/CN217032994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624616A (en) * | 2021-06-21 | 2021-11-09 | 安徽工程大学 | Automobile steering wheel torsion detection device |
| CN113624616B (en) * | 2021-06-21 | 2023-09-22 | 安徽工程大学 | Torsion detection device for steering wheel of automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217032994U (en) | Torsion applying assembly of steering wheel torsion fatigue experiment device | |
| CN110720032B (en) | Method and system for dynamometer testing of motor vehicles | |
| CN214084425U (en) | Steering actuating mechanism of automatic driving robot | |
| CN213543981U (en) | Fatigue test bed for torsion bar of steering engine | |
| CN111017098B (en) | Bidirectional connection joint bearing steering system | |
| CN108414173B (en) | Device and method for measuring torsional rigidity of rubber bushing | |
| CN217032993U (en) | Steering wheel bending fatigue experimental device | |
| CN110006638B (en) | Stabilizer bar endurance test platform | |
| CN211906614U (en) | Device for simulating automatic rotation of steering wheel | |
| CN200971108Y (en) | Adjustable mechanism for gear wheel of vehicle | |
| CN211042696U (en) | Steering intermediate shaft load composite motion testing device | |
| KR100654681B1 (en) | Apparatus for testing seat pumping instrument | |
| CN112461520A (en) | Torsion test stand | |
| CN214895685U (en) | Servo motor test platform with structure is adjusted to moment of torsion dynamics | |
| CN215219964U (en) | Four-direction adjustable simulated steering device of steering wheel | |
| CN106585705B (en) | A kind of automobile steering sensor mounting structure | |
| CN216994489U (en) | Steering mechanism and vehicle | |
| CN1579859A (en) | Automobile steering control system combination mode and apparatus thereof | |
| CN111504665A (en) | Rotary endurance testing machine for automobile steering column assembly | |
| CN206255057U (en) | A kind of automobile steering sensor mounting structure | |
| CN220270382U (en) | Steering transmission shaft spline fit clearance measurement tool | |
| CN213384431U (en) | Electric steering column mechanism | |
| CN215065295U (en) | Test bench and test system | |
| CN218443932U (en) | Mounting structure of angle sensor | |
| CN220899512U (en) | Universal joint device with front-back transmission for remote control car model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 4, No. 26 Nishang Avenue, Huixing Street, Yubei District, Chongqing, 401122 Patentee after: Chongqing Shice Standard Technical Service Co.,Ltd. Country or region after: China Address before: 401120 No. 42 Jinjin Road, Huixing Street, Yubei District, Chongqing Patentee before: Chongqing World Testing Technology Co.,Ltd. Country or region before: China |