CN217032385U - Inner contour measuring device of pneumatic tire - Google Patents
Inner contour measuring device of pneumatic tire Download PDFInfo
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- CN217032385U CN217032385U CN202220939468.7U CN202220939468U CN217032385U CN 217032385 U CN217032385 U CN 217032385U CN 202220939468 U CN202220939468 U CN 202220939468U CN 217032385 U CN217032385 U CN 217032385U
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- range finder
- laser range
- pneumatic tire
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- tire
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Abstract
The utility model relates to a device for measuring the inner contour of a pneumatic tire, which comprises a base, a laser range finder and a rotating shaft, wherein one end of the laser range finder is connected with the rotating shaft, the other end of the laser range finder is connected with a stable shell in a sliding way, the rotating shaft is connected with a driving element in a transmission way to realize rotation, the stable shell is connected with the base, and the base is magnetically attracted on a rim of the pneumatic tire.
Description
Technical Field
The utility model belongs to the technical field of tire detection, and particularly relates to an inner contour measuring device of a pneumatic tire.
Background
The shape of the inner profile of a pneumatic tire is a very important parameter in terms of the quality and performance analysis of the tire, and the inner profile shape has a very large influence on the analysis of stress strain generated inside the tire. The method plays an important role in tire finite element simulation modeling and performance analysis and prediction, and the length of the inner contour of the tire is an important parameter for tire quality inspection.
The method generally adopted for measuring the inner contour of the tire is to measure a cut tire section, for example, CN113865505A portable tire inner contour detection device and detection method have the disadvantages that the shape of the inner contour under the conditions of inflation and load after inflation cannot be measured, large errors are easily generated in performance analysis, meanwhile, the measurement mode is insufficient in constraint on the toe part of the tire, and is easy to generate deviation, in addition, the measurement mode is mainly limited to engineering tires, and large errors are easily generated in the measurement of small car tires.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an inner profile measuring device for a pneumatic tire has been proposed.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an outline measurement device in pneumatic tire, includes base, laser range finder and pivot, laser range finder's one end with the pivot is connected, just laser range finder's the other end with stabilize shell sliding connection, the pivot is connected in order to realize rotating with the drive element transmission, it is connected with the base to stabilize the shell, just the base magnetism is inhaled on pneumatic tire's rim.
Through adopting above-mentioned technical scheme, inhale on the rim through the base magnetism, install whole device additional on the rim, install the tire and fill with appointed atmospheric pressure, drive laser range finder through the pivot and rotate, through profile data in the laser range finder collection tire, need not to destroy the tire, can realize aerifing and aerify the data measurement of interior profile under the back load condition, guarantee tire performance analysis's the degree of accuracy.
Further, the base is an elastic base.
Through adopting above-mentioned technical scheme, the base possesses the deformability of certain degree, can adapt to the rim radian of different specifications.
Further, the extending direction of the rotating shaft is perpendicular to the width direction of the tire.
Further, the longitudinal section of stabilizing the shell is the arc and holds the chamber in order to form, laser range finder is located hold the intracavity, just laser range finder follows the circumference that holds the chamber slides.
Through adopting above-mentioned technical scheme, laser range finder can rotate with the pivot is synchronous, carries out the range finding to the different positions of profile in the tire, and simultaneously, laser range finder slides along the circumference that holds the chamber, guarantees that laser range finder is in same position all the time, reduces the influence of external vibration factor to laser range finder position, promotes measurement accuracy.
Further, the surface of the cavity wall of the accommodating cavity is provided with a guide rail along the circumferential direction of the cavity wall, and the laser range finder is slidably connected with the guide rail through a sliding block.
Furthermore, the surface of the cavity wall of the accommodating cavity is provided with a guide groove along the circumferential direction, and the laser range finder is slidably connected with the guide groove through a guide wheel.
Further, the driving element is magnetically attracted to the rim through the mounting seat.
Further, the driving element is fixed on the stable shell through a mounting seat.
Further, the periphery of stabilizing the shell is equipped with protecting sheathing, just protecting sheathing is connected with the base.
Furthermore, the protective shell and the stable shell are both of transparent structures, and the surfaces of the protective shell and the stable shell are both plated with laser antireflection films.
By adopting the technical scheme, the transmittance of laser is increased, reflection is reduced, and the measurement precision is improved.
The beneficial effects of the utility model are:
1. drive laser range finder through the pivot and rotate, through profile data in the laser range finder collection tire, need not to destroy the tire, can directly measure complete tire, simultaneously, can realize aerifing and aerify the data measurement of interior profile under the back load condition, guarantee tire performance analysis's the degree of accuracy.
2. Through base magnetism inhale on the rim, install whole device additional on the rim, need not to add fixing device, can measure the interior profile of tire optional position.
3. The base has certain deformability, can adapt to the radians of rims of different specifications, is suitable for measuring tires of multiple specifications and multiple models, and is favorable for popularization and use.
Drawings
FIG. 1 is a schematic view of the assembly of the present invention with a tire;
fig. 2 is a schematic view of the overall structure of the present invention.
In the drawings: 1-protective shell, 2-wheel rim, 3-tyre, 4-rotating shaft, 5-laser range finder, 6-stable shell and 7-base.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions of the present invention are described below clearly and completely with reference to the accompanying drawings of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by a person of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The utility model is further described below with reference to the drawings and the preferred embodiments.
The first embodiment is as follows:
as shown in fig. 1-2, an inner contour measuring device of a pneumatic tire comprises a base 7, a laser range finder 5 and a rotating shaft 4, one end of the laser range finder 5 is connected with the rotating shaft 4, the other end of the laser range finder 5 is connected with a stabilizing shell 6 in a sliding manner, the rotating shaft 4 is connected with a driving element in a transmission manner to realize rotation, the stabilizing shell 6 is connected with the base 7, and the base 7 is magnetically attracted on a rim 2 of the pneumatic tire.
Inhale in rim 2 through base 7 magnetism, install whole device additional on rim 2, install the tire and fill with appointed atmospheric pressure, drive laser range finder 5 through pivot 4 and rotate, through contour data in laser range finder 5 collection tire 3, need not to destroy tire 3, can realize aerifing and aerify the data measurement of interior contour under the back load condition, guarantee tire performance analysis's the degree of accuracy.
The base 7 is elastic base, that is to say, the base 7 possesses the deformability of certain degree, can adapt to the 2 radians of rim of different specifications, is applicable to the tire measurement of many specifications polytypis, is favorable to using widely.
Stabilize the longitudinal section of shell 6 and be the arc in order to form and hold the chamber, laser range finder 5 is located hold the intracavity, just laser range finder 5 follows the circumference that holds the chamber slides. Specifically, the surface of the cavity wall of the accommodating cavity is provided with a guide rail along the circumferential direction of the accommodating cavity, and the laser range finder 5 is slidably connected with the guide rail through a sliding block.
The extending direction of the rotating shaft 4 is perpendicular to the width direction of the tire 3, and meanwhile, the driving element is magnetically attracted to the rim 2 through the mounting seat.
That is to say, laser range finder 5 can rotate with 4 synchronous rotations of pivot, and the different positions of profile carry out the range finding in tire 3, and simultaneously, laser range finder 5 is in same position along the circumference slip that holds the chamber all the time, reduces the influence of external vibration factor to 5 positions of laser range finder, promotes measurement accuracy along the circumference slip that guarantees laser range finder 5.
The periphery of stabilizing shell 6 is equipped with protecting sheathing 1, just protecting sheathing 1 is connected with base 7. The protective casing 1 and the stabilizing casing 6 are both of transparent structures, and laser antireflection films are plated on the surfaces of the protective casing 1 and the stabilizing casing 6, so that the transmittance of laser is increased, reflection is reduced, and the measurement precision is improved.
In operation, the inner contour measuring device of a pneumatic tire is first placed on a rim 2 of any desired type and curvature, and then the tire 3 is mounted on the rim 2, inflated to a desired air pressure, and then left to stand until stable.
The inner contour measuring device of the pneumatic tire is fixed on the rim 2 by virtue of the base 7, at the moment, the driving element drives the rotating shaft 4 to rotate, a tiny angle is rotated each time, after the specified angle is rotated, the rotating shaft 4 is fixed, the laser range finder 5 works and records data, the rotating shaft 4 continues to rotate after the recording is finished, and the operation is repeated until the inner contour of the whole tire 2 is measured. In the process, the protective shell 1 protects the inner contour measuring device of the pneumatic tire from deformation caused by air pressure, and measurement accuracy is improved.
The second embodiment:
as shown in fig. 1-2, the same parts of this embodiment as those of the first embodiment are not repeated herein, except that:
the surface of the cavity wall of the accommodating cavity is provided with a guide groove along the circumferential direction, and the laser range finder 5 is slidably connected with the guide groove through a guide wheel. At the same time, the drive element is fixed to the stabilizing housing 6 by means of a mounting.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Claims (7)
1. The utility model provides an outline measuring device in pneumatic tire, its characterized in that, includes base, laser range finder and pivot, laser range finder's one end with the pivot is connected, just laser range finder's the other end with stabilize shell sliding connection, the pivot is connected in order to realize rotating with the drive element transmission, it is connected with the base to stabilize the shell, just the base magnetism is inhaled on pneumatic tire's rim.
2. The inside contour measuring device of a pneumatic tire as set forth in claim 1, wherein said pedestal is a resilient pedestal.
3. The inner contour measuring device of a pneumatic tire as claimed in claim 1, wherein a longitudinal section of said stabilizer housing is arc-shaped to form a receiving cavity, said laser range finder is located in said receiving cavity, and said laser range finder slides along a circumferential direction of said receiving cavity.
4. The apparatus for measuring the inner profile of a pneumatic tire as claimed in claim 3, wherein the wall surface of said accommodating chamber is provided with a guide rail along the circumference thereof, and said laser range finder is slidably coupled to said guide rail by a slider.
5. The apparatus for measuring the inner profile of a pneumatic tire as claimed in claim 3, wherein the wall surface of said accommodating chamber is provided with a guide groove along the circumferential direction thereof, and said laser range finder is slidably coupled to said guide groove by a guide wheel.
6. An apparatus for measuring the internal profile of a pneumatic tire as claimed in any one of claims 1 to 5, wherein a protective casing is provided around the periphery of said stabilizer casing, and said protective casing is attached to said base.
7. The apparatus for measuring the inner profile of a pneumatic tire as claimed in claim 6, wherein said protective casing and said stabilizing casing are transparent, and the surfaces of said protective casing and said stabilizing casing are coated with a laser antireflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220939468.7U CN217032385U (en) | 2022-04-21 | 2022-04-21 | Inner contour measuring device of pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220939468.7U CN217032385U (en) | 2022-04-21 | 2022-04-21 | Inner contour measuring device of pneumatic tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032385U true CN217032385U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220939468.7U Active CN217032385U (en) | 2022-04-21 | 2022-04-21 | Inner contour measuring device of pneumatic tire |
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| CN (1) | CN217032385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045918A1 (en) * | 2022-08-29 | 2024-03-07 | 浙江联控技术有限公司 | Tire pressure alarm method and apparatus, and computer device and storage medium |
-
2022
- 2022-04-21 CN CN202220939468.7U patent/CN217032385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045918A1 (en) * | 2022-08-29 | 2024-03-07 | 浙江联控技术有限公司 | Tire pressure alarm method and apparatus, and computer device and storage medium |
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