CN212390929U - Radial runout measuring device of wheel assembly - Google Patents
Radial runout measuring device of wheel assembly Download PDFInfo
- Publication number
- CN212390929U CN212390929U CN202021679072.0U CN202021679072U CN212390929U CN 212390929 U CN212390929 U CN 212390929U CN 202021679072 U CN202021679072 U CN 202021679072U CN 212390929 U CN212390929 U CN 212390929U
- Authority
- CN
- China
- Prior art keywords
- wheel
- measuring
- tire
- dial indicator
- wheel assembly
- 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
Images
Landscapes
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Of Balance (AREA)
Abstract
The utility model relates to a radial runout measuring device of a wheel assembly, which comprises a base and a fixed mounting bracket arranged on the base, wherein a transverse measuring rod is arranged on the fixed mounting bracket, one end of the transverse measuring rod is provided with a U-shaped measuring frame, a dial indicator is arranged on the measuring frame, an elastic catch used for being tightly attached to a tire is arranged in front of a pointer of the dial indicator, when in measurement, a vehicle to be detected is stopped on the horizontal ground, two jacks are used for jacking the vehicle to be detected, the wheel is divided into a plurality of equal parts, and the wheel is marked on the tire tread; and placing the base on a horizontal ground, enabling the elastic blocking piece to be tightly attached to the tire, enabling the pointer of the dial indicator to be aligned with the wheel center position of the wheel, pressing the elastic blocking piece in the wheel, rotating the wheel, recording the reading of the dial indicator at the tire marking position, and calculating to obtain the radial runout. The method and the device have the effect of overcoming data interference caused by tire patterns in the wheel rotation process.
Description
Technical Field
The utility model belongs to the technical field of the wheel is beated and is detected, especially, relate to a wheel assembly's radial run-out measuring device.
Background
In recent years, with the rapid development of economy in China, the living standard of people is continuously improved, and users hope not only to complete production tasks safely for heavy commercial automobiles, but also to provide a safe and comfortable working environment for drivers and passengers.
In the last half year of 2019, when a certain 6x4 tractor is fed back by the market in the operation process and the speed is in a speed range of 60km/h-80km/h, a driver feels that the steering wheel shakes greatly, hands holding the steering wheel feel numb, and the cab vibrates obviously. According to the past test experience, the reason for causing the vibration of the whole vehicle is that the radial runout of the tire is too large, and the smoothness of the vehicle is seriously influenced.
Therefore, the radial run-out of the tire of the vehicle with the problem needs to be measured, and at present, a method for measuring and processing the radial run-out of the unvulcanized tire is disclosed in the Chinese patent with the publication number of CN101817236A, wherein a dial indicator is adopted to measure the radial run-out of the forming machine in the rotating state of a main shaft and perform precision adjustment; forming an unvulcanized tire by using a forming machine, and measuring the radial runout of the tire in a rotating state by using a dial indicator; marking the measured maximum and minimum regions on the tire and the spindle respectively; the measurement calculates the average runout value, the maximum value and the minimum value of the tire to the contribution rate of the runout degree. The above-described measuring method is, however, only applicable to unvulcanized tires, i.e. semi-finished tires having smooth tire surfaces without patterns.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can measure the measuring device of the radial runout volume of the tire that there is the decorative pattern on surface.
In order to achieve the purpose, the utility model discloses an realize through following technical scheme:
the utility model provides a wheel assembly's radial run-out measuring device, includes the base and locates the fixed mounting support on the base, be equipped with the horizontal measuring stick on the fixed mounting support, the one end of horizontal measuring stick is equipped with the measuring rack that is the U type, be equipped with the percentage table on the measuring rack, the pointer the place ahead of percentage table is equipped with and is used for the elasticity separation blade of hugging closely with the tire.
As a further explanation of the utility model: and an adjusting piece used for controlling the height of the transverse measuring rod is arranged between the transverse measuring rod and the fixed mounting bracket.
As a further explanation of the utility model: the adjusting piece comprises a lantern ring sleeved on the fixed mounting support, and the transverse measuring rod is arranged on the outer wall of the lantern ring.
As a further explanation of the utility model: the lantern ring is provided with an adjusting block, and the transverse measuring rod penetrates through the adjusting block through an adjusting hole.
As a further explanation of the utility model: the adjusting block is rotatably connected with the lantern ring.
Compared with the prior art, the utility model discloses following profitable technological effect has:
1. the measuring device is simple in structure, accurate and stable in measured value, and capable of effectively detecting the radial runout of the tire.
2. The measuring device utilizes the dial indicator to measure the radial runout of the wheel assembly, and an elastic blocking piece is additionally arranged at a pointer at the front end of the dial indicator so as to overcome data interference caused by tire patterns in the wheel rotating process.
3. This measuring device can directly measure the wheel assembly in the automobile body back at the wheel mounting, convenient to use, and horizontal measuring stick position and angle are all adjustable for this measuring device can measure the wheel of different specifications under multiple measuring environment, has improved this measuring device's suitability.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a side view of a part of the structure of the first embodiment of the present invention;
fig. 3 is a schematic view of a usage state of a measuring device according to a first embodiment of the present invention;
fig. 4 is a flow chart of a measurement method according to a second embodiment of the present invention.
1. Fixing the mounting bracket; 2. an adjustment member; 3. a transverse measuring rod; 4. a measuring frame; 5. an elastic baffle plate; 6. a dial indicator; 7. a base; 8. and adjusting the block.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1-3, a device for measuring the radial runout of a wheel assembly includes a base 7 and a fixed mounting bracket 1 disposed on the base 7, wherein a transverse measuring rod 3 is disposed on the fixed mounting bracket 1, and in this embodiment, the fixed mounting bracket 1 is disposed perpendicular to the base 7.
The one end of horizontal measuring stick 3 is equipped with measuring rack 4 that is the U type, the one end of measuring rack 4 is equipped with percentage table 6 through the bolt, be equipped with elastic retaining piece 5 through the bolt on the other end, wherein, elastic retaining piece 5 is located the pointer the place ahead of percentage table 6, be used for hugging closely with the tire in the measurement process, it is specific, elastic retaining piece 5's material can be rubber or other elastic material, and the one end that measuring rack 4 is connected with percentage table 6 is higher than the one end of being connected with elastic retaining piece 5, the pointer and the elastic retaining piece 5 of percentage table 6 of being more convenient for like this contradict, in this embodiment, the measuring stick can rotate with horizontal measuring stick 3 and be connected, also can fix with horizontal measuring stick 3 or weld with horizontal measuring stick 3 through the bolt.
An adjusting piece 2 used for controlling the height of the transverse measuring rod 3 is arranged between the transverse measuring rod 3 and the fixed mounting support 1, the adjusting piece 2 comprises a lantern ring sleeved on the fixed mounting support 1, and the adjusting piece 2 can also be a hoop or other structures which can be sleeved on the fixed mounting support 1 and can slide along the length direction of the fixed mounting support 1, and specific limitation is not made here.
The lantern ring is provided with an adjusting block 8 through a bolt or a rotating shaft in a rotating mode, the transverse measuring rod 3 penetrates through the adjusting block 8 through an adjusting hole, the transverse measuring rod 3 can slide in the adjusting block 8 along the length direction, and the transverse measuring rod can rotate through the adjusting block 8.
In this embodiment, can be equipped with on the lantern ring and be used for carrying out spacing subassembly to the lantern ring, for example the damping knob of threaded connection on the lantern ring, do not specifically prescribe a limit to here, also can set up on the adjusting block 8 and be used for carrying out spacing mounting to horizontal measuring stick 3, for example the bolt of threaded connection on adjusting block 8, the tip and the butt of horizontal measuring stick 3 of bolt, through rotating the bolt, carry out spacing to horizontal measuring stick 3.
Example two
As shown in fig. 4, a method for measuring a radial run-out amount of a wheel assembly based on the measuring device in the first embodiment includes the following steps:
the method comprises the following steps: stopping the vehicle to be detected on a horizontal ground, placing wedge blocks at each wheel position, and loosening a hand brake to prevent the vehicle from sliding in the operation process;
step two: jacking a front axle or a rear axle of a vehicle to be detected to wheels by using two jacks, wherein the jacking heights of the front axle or the rear axle of the vehicle by using the two jacks are consistent; specifically, in the step, one jack is strictly forbidden to jack up the middle of the axle, so that the whole vehicle is prevented from shaking when the wheels are rotated, and the measured data is prevented from being distorted;
step three: dividing the wheel into multiple equal parts and marking on the tire tread, wherein for the tire with through patterns and even number, measuring the data of the middle two patterns; the intermediate pattern value is measured for the tire with the odd pattern. For the tire without the through patterns, the marking points select the same position of each pattern;
step four: placing the base 7 on a horizontal ground, adjusting the position of the transverse measuring rod 3 to the position that the pointer of the dial indicator 6 is aligned with the wheel center of the wheel through the adjusting part 2, enabling the elastic blocking piece 5 to be tightly attached to the tire, enabling the probe of the dial indicator 6 to be in contact with the surface of the elastic blocking piece 5 and pressed into the elastic blocking piece for 5mm, and carrying out zero resetting on the dial indicator 6;
step five: rotating the wheel with uniform force, recording the reading of a dial indicator 6 at the tire mark position, and calculating to obtain the radial run-out through a measurement formula, wherein the size indicator of the dial indicator 6 at the position larger than the zero point is positive in the rightward reading; the leftward reading of the pointer is negative when the size of the pointer is smaller than the zero point, and the measurement formula is that the radial runout amount is the maximum reading-the minimum reading;
step six: and continuously repeating the step five for at least three times, acquiring the radial runout amount of each time, and averaging to obtain more accurate measured values.
In the first step, the vehicle to be detected needs to run for at least 3km before stopping on the horizontal ground so as to eliminate local deformation of the tire when the vehicle is static and ensure accurate measurement.
The measuring device and the measuring method utilize the dial indicator 6 to measure the radial runout quantity of the wheel assembly, and the elastic blocking piece 5 is additionally arranged at the pointer at the front end of the dial indicator 6 to overcome data interference caused by tire patterns in the rotation process of the wheel.
EXAMPLE III
Driving a vehicle to be detected to run for 3km before testing, then parking the vehicle on a horizontal ground, placing wedge blocks at each wheel position, and loosening a hand brake; then, the front axle of the vehicle to be tested is jacked up by using two jacks, the jacking heights of the two jacks are consistent, the wheel can rotate freely, then, the wheel is divided into 10 equal parts, and the mark is carried out on the tread of the tire.
The base 7 of the measuring device is placed on a horizontal plane, the base 7 is guaranteed to be fixed firmly, then the position of the transverse measuring rod 3 is adjusted, the pointer of the dial indicator 6 is aligned to the wheel center position of the wheel, the elastic blocking piece 5 is tightly attached to the tire, the probe of the dial indicator 6 is abutted to the elastic blocking piece 5 and pressed into the tire by 5mm, and then the dial indicator 6 is reset to zero.
The wheel is rotated using a uniform force and the reading at each marked position of the wheel is recorded using the measurement formula: calculating the radial runout of the wheel by the maximum reading-minimum reading, wherein the measurement process is repeated three times continuously, and the data are as follows:
| serial number | For the first time | For the second time | The |
| 1 | 0.00 | 0.02 | -0.03 |
| 2 | 0.21 | 0.23 | 0.19 |
| 3 | -0.53 | -0.50 | -0.48 |
| 4 | 0.13 | 0.24 | 0.15 |
| 5 | -0.53 | -0.49 | -0.51 |
| 6 | -0.71 | -0.69 | -0.65 |
| 7 | -1.02 | -1.03 | -0.99 |
| 8 | -1.03 | -1.00 | -1.03 |
| 9 | -1.05 | -1.08 | -1.05 |
| 10 | -0.95 | -0.87 | -0.88 |
| Radial run out | 0.13-(-1.05)＝1.18 | 0.24-(-1.08)＝1.32 | 0.15-(-1.05)＝1.20 |
According to the data, the size change trends of the tires are basically consistent, and the average value of the three measured radial run-out values is taken as the finally determined radial run-out value.
Radial runout value of (1.18+1.32+1.20)/3 of 1.23mm
I.e. the wheel has a radial runout of 1.23 mm.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (5)
1. A device for measuring the radial runout of a wheel assembly, comprising: the tire measurement device comprises a base and a fixed mounting support arranged on the base, wherein a transverse measuring rod is arranged on the fixed mounting support, a U-shaped measuring frame is arranged at one end of the transverse measuring rod, a dial indicator is arranged on the measuring frame, and an elastic separation blade used for being tightly attached to a tire is arranged in front of a pointer of the dial indicator.
2. The device for measuring the amount of radial run-out of a wheel assembly according to claim 1, wherein: and an adjusting piece used for controlling the height of the transverse measuring rod is arranged between the transverse measuring rod and the fixed mounting bracket.
3. The device for measuring the amount of radial run-out of a wheel assembly according to claim 2, wherein: the adjusting piece comprises a lantern ring sleeved on the fixed mounting support, and the transverse measuring rod is arranged on the outer wall of the lantern ring.
4. A device for measuring the amount of radial run-out of a wheel assembly as defined in claim 3, wherein: the lantern ring is provided with an adjusting block, and the transverse measuring rod penetrates through the adjusting block through an adjusting hole.
5. The device for measuring the amount of radial run-out of a wheel assembly according to claim 4, wherein: the adjusting block is rotatably connected with the lantern ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679072.0U CN212390929U (en) | 2020-08-12 | 2020-08-12 | Radial runout measuring device of wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679072.0U CN212390929U (en) | 2020-08-12 | 2020-08-12 | Radial runout measuring device of wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212390929U true CN212390929U (en) | 2021-01-22 |
Family
ID=74253767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021679072.0U Active CN212390929U (en) | 2020-08-12 | 2020-08-12 | Radial runout measuring device of wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212390929U (en) |
-
2020
- 2020-08-12 CN CN202021679072.0U patent/CN212390929U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106840519B (en) | A kind of static measurement method of two-axle car height of center of mass | |
| CN104534998B (en) | A kind of automobile basic parameter measurement apparatus and its measuring method | |
| CN106679531A (en) | Detection table for detecting hub runout | |
| US3164910A (en) | Wheel alignment indicating apparatus | |
| CN212390929U (en) | Radial runout measuring device of wheel assembly | |
| US4271599A (en) | Wheel camber and castor measurement apparatus | |
| CN114076555A (en) | Radial runout measuring device and method for wheel assembly | |
| CN211061195U (en) | Automobile shock absorber ware detects frock | |
| US4170070A (en) | Method and device for controlling the geometry of two-wheeled vehicles | |
| CN105783664A (en) | Laser wheel base measuring instrument especially for passenger car and measuring method for wheel base difference of passenger car | |
| CN210426388U (en) | Racing car wheel inclination angle and toe angle measuring device | |
| CN209820317U (en) | Wheel rim runout detection device | |
| US3640132A (en) | Tire uniformity tester | |
| CN207662293U (en) | A kind of toe-in of automobile fine range measurement adjusting apparatus | |
| US2171616A (en) | Vehicle wheel testing instrument | |
| CN207662322U (en) | A kind of toe-in of automobile angle accurate measurement adjusting apparatus | |
| CN207335571U (en) | Wheel guard plate measuring jig | |
| US2029067A (en) | Wheel measuring device | |
| US2628430A (en) | Wheel gauge | |
| CN1796962A (en) | Detection system for four-wheel positioning of automobiles in large size | |
| JP5882814B2 (en) | Tire wear evaluation method | |
| CN112378339B (en) | Automobile wheel guard plate measuring device | |
| CN212963157U (en) | Inclination angle measuring device | |
| CN108152049A (en) | Toe-in of automobile detects method of adjustment | |
| CN219956336U (en) | High-precision comprehensive detection device for commercial vehicle steering knuckle |
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: 710200 Jingwei Industrial Park, economic development zone, Xi'an City, Shaanxi Province Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: 710200 Jingwei Industrial Park, Xi'an Economic and Technological Development Zone, Shaanxi Province Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |