CN112945114B - Belt elasticity detection mechanism and car - Google Patents
Belt elasticity detection mechanism and car Download PDFInfo
- Publication number
- CN112945114B CN112945114B CN202110056827.4A CN202110056827A CN112945114B CN 112945114 B CN112945114 B CN 112945114B CN 202110056827 A CN202110056827 A CN 202110056827A CN 112945114 B CN112945114 B CN 112945114B
- Authority
- CN
- China
- Prior art keywords
- light
- rotating
- belt
- base body
- light emitter
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/023—Power-transmitting endless elements, e.g. belts or chains
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the technical field of automobiles, and provides a belt tightness detection mechanism and an automobile, wherein the belt tightness detection mechanism comprises: the device comprises a base body, an annular belt, a rotating piece, a tensioning wheel, an elastic piece and a distance detector, wherein the annular belt is arranged on the base body and can move circularly, the rotating piece is pivoted on the base body through a pivot, the tensioning wheel is arranged on the rotating piece, the elastic piece is connected with the rotating piece and the base body to drive the tensioning wheel to abut against the annular belt, and the distance detector is arranged on the tensioning wheel and detects the position change of the tensioning wheel relative to the preset position on the base body. The user can monitor the position change between the tension pulley and the preset position on the seat body through the distance detector, thereby judging the loosening degree/vibration amplitude of the annular belt.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a belt tightness detection mechanism and an automobile.
Background
In modern life, automobiles have become indispensable devices. The automobile is internally provided with various annular belts for power transmission. The annular belt often can take place to relax in the use, can seriously influence the performance and the safety of car after the annular belt relaxes, and the detection of current annular belt mainly relies on artifical inspection, and is inefficient.
Disclosure of Invention
The invention aims to provide a belt tightness detection mechanism to solve the technical problem of manual tightness detection of an annular belt in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a belt tightness detecting mechanism including: the device comprises a base body, an annular belt, a rotating piece, a tensioning wheel, an elastic piece and a distance detector, wherein the annular belt is arranged on the base body and can move circularly, the rotating piece is pivoted on the base body through a pivot, the tensioning wheel is arranged on the rotating piece, the elastic piece is connected with the rotating piece and the base body to drive the tensioning wheel to abut against the annular belt, and the distance detector is arranged on the tensioning wheel and detects the position change of the tensioning wheel relative to the preset position on the base body.
Further, the distance detector is a laser range finder.
Further, the laser range finder comprises a light emitter and a light receiver for receiving the light emitted by the light emitter and performing range finding; the light emitter is arranged on the rotating piece passing through the axis of the tension wheel, and the light receiver is arranged on the seat body.
Further, the light emitter emits a light beam along a radial direction of the tension wheel.
Further, the light beam emitted by the light emitter is parallel to the axial direction of the tension wheel.
Further, the rotating member is deviated from the initial position by a maximum angle of 5 °.
Further, the elastic member is a spring.
Further, the device also comprises a power supply which is electrically connected with the distance detector.
Further, the laser range finder also comprises a display connected to the laser range finder.
The invention also provides an automobile which comprises an engine and the belt tightness detection mechanism, wherein the engine is in transmission connection with the annular belt.
The belt tightness detection mechanism provided by the invention has the beneficial effects that: compared with the prior art, the belt tightness detection mechanism provided by the invention has the advantages that the rotating part is pivoted on the base body through the pivot, the tensioning wheel is arranged on the rotating part and can rotate along with the rotating part, and the elastic part is connected between the rotating part and the base body; under the traction of the elastic piece, the tensioning wheel keeps abutting against the annular belt to tension the annular belt; after the annular belt is loosened, the elastic piece still enables the tensioning wheel to abut against the annular belt, but the position of the tensioning wheel can change along with the loosening degree/the running vibration amplitude of the annular belt (the position of the tensioning wheel changes through the rotation of the rotating piece), and a user can monitor the position change between the tensioning wheel and a preset position on the seat body through the distance detector, so that the loosening degree/the vibration amplitude of the annular belt can be judged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a belt tightness detection mechanism according to an embodiment of the present invention;
fig. 2 is a schematic working diagram of a belt tightness detection mechanism according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a seat body; 21-an endless belt; 22-a tension wheel; 23-a wheel body; 24-a rotating shaft; 3-a rotating member; 31-a pivot; 4-a distance detector; 41-a light emitter; 42-an optical receiver; 51-a signal processing module; 52-a display; 53-Power supply.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, a belt tightness detecting mechanism according to the present invention will now be described. Belt elasticity detection mechanism includes: the device comprises a base body 1, an annular belt 21 which is arranged on the base body 1 and can move circularly, a rotating piece 3 which is pivoted on the base body 1 through a pivot 31, a tension wheel 22 which is arranged on the rotating piece 3, an elastic piece which is connected with the rotating piece 3 and the base body 1 and is used for driving the tension wheel 22 to abut against the annular belt 21, and a distance detector 4 which is arranged on the tension wheel 22 and is used for detecting the position change of the tension wheel 22 relative to a preset position on the base body 1.
Thus, the endless belt 21 moves circularly during the operation, the rotating member 3 is pivoted on the base 1 through the pivot 31, the tension pulley 22 is arranged on the rotating member 3 and can rotate along with the rotating member 3, and an elastic member is connected between the rotating member 3 and the base 1; under the traction of the elastic member, the tension pulley 22 is held against the endless belt 21 to tension the endless belt 21; after the endless belt 21 is loosened, the tension pulley 22 is still abutted against the endless belt 21 due to the existence of the elastic member, but the position of the tension pulley 22 changes with the loosening degree/the vibration amplitude of the running of the endless belt 21 (the position of the tension pulley 22 is changed by the rotation of the rotating member 3), and the user can monitor the position change between the tension pulley 22 and the predetermined position on the base body 1 through the distance detector 4, thereby judging the loosening degree/the vibration amplitude of the endless belt 21.
Specifically, in one embodiment, the endless belts 21 are respectively disposed on the plurality of wheel bodies 23. Specifically, in one embodiment, one of the wheels 23 is drivingly connected to the engine.
Specifically, in one embodiment, the tension wheel 22 is pivotally connected to the base 1 via a shaft 24.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided in the present invention, the distance detector 4 is a laser range finder. Therefore, the laser range finder has high precision.
Further, referring to fig. 1, as a specific embodiment of the belt tightness detecting mechanism provided by the present invention, the laser distance measuring device includes a light emitter 41 and a light receiver 42 for receiving a light beam emitted by the light emitter 41 and measuring distance; the light emitter 41 is arranged on the rotating member 3 passing through the axis of the tension pulley 22, and the light receiver 42 is arranged on the seat body 1. Thus, the light emitter 41 emits a light beam, and the light receiver 42 receives the light beam of the light emitter 41 to achieve ranging.
Specifically, in one embodiment, the laser distance meter may be a single module capable of measuring distance, and the laser distance meter is directly disposed on the rotating member 3 passing through the axis of the tension wheel 22. The laser rangefinder irradiates a predetermined target on the base 1 to measure the change in the position of the tension pulley 22.
Specifically, in one embodiment, the number of the light receivers 42 is plural. In this manner, the light receivers 42 at different positions can receive the emission light beams of the light emitters 41 at different positions.
Specifically, in one embodiment, the optical transmitter 41 emits a light beam that is scanned in a matrix manner to allow the optical receivers 42 at different positions to receive the light signal.
Specifically, in one embodiment, the rotating member 3 is provided with a first rotating table, the axis of which is parallel to the axis of the pivot 31; the light emitter 41 is provided on the first rotating table so that the light emitting direction of the light emitter 41 is maintained by the rotation of the first rotating table when the rotating member 3 rotates. Specifically, in one embodiment, the first motor drives the first rotating table to rotate.
Specifically, in one embodiment, the base 1 is provided with a mirror, and the light emitter 41 emits a light beam to the light receiver 42 through the mirror. Specifically, in one embodiment, the base 1 is provided with a second rotating table, the reflecting mirror is arranged on the second rotating table, and the traveling direction of the reflected light beam is adjusted by the rotation of the second rotating table. Specifically, in one embodiment, the second motor drives the second rotating table to rotate.
Specifically, in one embodiment, the light receiver 42 is disposed in a cavity having a light entrance hole to avoid interference of external stray light. Specifically, in an embodiment, a third rotating table is disposed on the base 1, the cavity is disposed on the third rotating table, and the orientation of the light inlet hole on the cavity is adjusted by the rotation of the third rotating table, so as to keep the light emitted from the light emitter 41 to reach the light receiver 42 from different directions. Specifically, in an embodiment, a sliding table close to/far from the light entrance hole is slidably disposed in the cavity, and the optical receiver 42 is disposed on the sliding table, so that the optical receiver 42 is far from the light entrance hole through the sliding table to filter out more external stray light, and the optical receiver 42 is close to the light entrance hole through the sliding table to facilitate receiving of the light beam. Specifically, in one embodiment, the third motor drives the third rotating table to rotate. Specifically, in one embodiment, the fourth motor drives the sliding table to slide.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided by the present invention, the light beam emitted by the light emitter 41 is along the radial direction of the tension pulley 22. In this way, the light beam emitted by the light emitter 41 is always kept along the radial direction of the tension pulley 22 during the movement of the tension pulley 22, and the light beam direction of the light emitter 41 can be changed along with the position change of the tension pulley 22 during the movement of the tension pulley 22 around the pivot 31 through the rotating member 3, so as to be matched with the light receiver 42 at different positions.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided by the present invention, the light beam emitted by the light emitter 41 is parallel to the axial direction of the tension pulley 22. In this way, the light beam emitted from the light emitter 41 is always kept along the axial direction of the tension pulley 22 while the tension pulley 22 is moving, and the light beam direction of the light emitter 41 does not change while the tension pulley 22 is moving around the pivot shaft 31 by the rotating member 3.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided by the present invention, the maximum angle of the rotating member 3 from the initial position is 5 °. So, rotate 3 pivoted skew angle control of piece and within 5, can effectively avoid rotating 3 rotation amplitude and too big colliding with other parts, perhaps avoid endless belt 21 too lax.
Wherein: initial position of the rotating member 3: before the endless belt 21 is loosened, the tension pulley 22 abuts on the endless belt 21 at a position where the rotor 3 is located. As the endless belt 21 is loosened, the rotor 3 is positioned under the traction of the elastic member, and the tension pulley 22 is held in contact with the endless belt 21, but the rotor 3 is rotated and is shifted from the original initial position.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided in the present invention, the elastic member is a spring. Therefore, the cost is low and the structure is simple.
Specifically, in one embodiment, the resilient member is a coil spring.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided in the present invention, a power supply 53 electrically connected to the distance detector 4 is further included. In this way, the power supply 53 can supply power to the distance detector 4.
Further, referring to fig. 1, as an embodiment of the belt tightness detecting mechanism provided in the present invention, a display 52 connected to a laser range finder is further included. In this manner, the data detected by the laser rangefinder can be displayed by the display 52.
Specifically, in one embodiment, the apparatus further includes a signal processing module 51; the signal processing module 51 converts the electric signal of the signal collected by the light receiver 42, and the display 52 reports the warning code of the belt needing to be replaced when the tensioning position exceeds the limit position (the rotating piece 3 reaches the maximum angle deviated from the initial position); a warning code for train failure is triggered when the tensioner 22 amplitude exceeds a set value.
Referring to fig. 1, the invention further provides an automobile, which comprises an engine and a belt tightness detection mechanism, wherein the engine is in transmission connection with the endless belt 21. Thus, the engine drives the annular belt 21 to rotate, and due to the adoption of the belt tightness detection mechanism, the annular belt 21 circularly moves in the working process, the rotating part 3 is pivoted on the base body 1 through the pivot 31, the tension pulley 22 is arranged on the rotating part 3 and can rotate along with the rotating part 3, and the elastic part is connected between the rotating part 3 and the base body 1; under the traction of the elastic member, the tension pulley 22 is held against the endless belt 21 to tension the endless belt 21; after the endless belt 21 is loosened, the tension pulley 22 is still abutted against the endless belt 21 due to the existence of the elastic member, but the position of the tension pulley 22 changes with the loosening degree/the vibration amplitude of the running of the endless belt 21 (the position of the tension pulley 22 is changed by the rotation of the rotating member 3), and the user can monitor the position change between the tension pulley 22 and the predetermined position on the base body 1 through the distance detector 4, thereby judging the loosening degree/the vibration amplitude of the endless belt 21.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. Belt elasticity detection mechanism, its characterized in that includes: the device comprises a base body, an annular belt, a rotating part, a tensioning wheel, an elastic part, a first motor, a second motor and a distance detector, wherein the annular belt is arranged on the base body and can move circularly;
the distance detector is a laser range finder; the laser range finder comprises a light emitter and a light receiver for receiving light beams emitted by the light emitter and performing range finding; the light emitter is arranged on the rotating piece passing through the axis of the tensioning wheel, and the light receiver is arranged on the base body;
the light receiver is arranged in a cavity with a light inlet hole; the base body is provided with a third rotating table, the cavity is arranged on the third rotating table, and the direction of a light inlet hole in the cavity is adjusted through the rotation of the third rotating table; a sliding table close to/far away from the light inlet hole is slidably arranged in the cavity, the optical receiver is arranged on the sliding table, more external stray light can be filtered by the optical receiver far away from the light inlet hole through the sliding table, and the optical receiver is close to the light inlet hole through the sliding table and can be convenient for receiving light beams;
the rotating part is provided with a first rotating platform, and the axis of the first rotating platform is parallel to the axis of the pivot; the light emitter is arranged on the first rotating platform, so that when the rotating part rotates, the light emitting direction of the light emitter is kept through the rotation of the first rotating platform; the first motor drives the first rotating table to rotate;
the seat body is provided with a reflector, and the light emitter emits a light beam to the light receiver through the reflector; the base body is provided with a second rotating table, the reflector is arranged on the second rotating table, and the transmission direction of the reflected light beam is adjusted through the rotation of the second rotating table; the second motor drives the second rotating table to rotate.
2. The belt tightness detecting mechanism of claim 1, wherein said light emitter emits a light beam in a radial direction of said tensioner.
3. The belt tightness detecting mechanism according to claim 1, wherein said light emitter emits a light beam in parallel with an axial direction of said tensioner.
4. The belt tightness detecting mechanism of claim 1, wherein the maximum angle of the rotating member from the initial position is 5 °.
5. The belt tightness detecting mechanism of claim 1, wherein said elastic member is a spring.
6. The belt tightness detecting mechanism of claim 1, further comprising a power source in conductive communication with said distance detector.
7. The belt slack detection mechanism of claim 1, further comprising a display coupled to the laser rangefinder.
8. An automobile, comprising an engine and a belt tightness detecting mechanism according to any one of claims 1 to 7, wherein the engine is drivingly connected to the endless belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056827.4A CN112945114B (en) | 2021-01-15 | 2021-01-15 | Belt elasticity detection mechanism and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110056827.4A CN112945114B (en) | 2021-01-15 | 2021-01-15 | Belt elasticity detection mechanism and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112945114A CN112945114A (en) | 2021-06-11 |
| CN112945114B true CN112945114B (en) | 2023-04-07 |
Family
ID=76235414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110056827.4A Active CN112945114B (en) | 2021-01-15 | 2021-01-15 | Belt elasticity detection mechanism and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112945114B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911888A (en) * | 2021-10-29 | 2022-01-11 | 上海爱登堡电梯集团股份有限公司 | Escalator with handrail belt over-extension monitoring device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659469A (en) * | 1984-11-23 | 1987-04-21 | Guy Gaudfrin | Tightness device between the conveyor belt and the collecting box with one or more compartments of a vacuum belt filter |
| JP2010134059A (en) * | 2008-12-03 | 2010-06-17 | Canon Inc | Image forming apparatus |
| WO2011014262A1 (en) * | 2009-07-31 | 2011-02-03 | The Mill Steel Co. | Apparatus for determining gauge profile for flat rolled material with laser-based lap counter |
| CN105181331A (en) * | 2015-10-23 | 2015-12-23 | 成都嘉陵华西光学精密机械有限公司 | Detection and analysis device, detection and analysis system and detection and analysis method for front-end wheel train of portable engine |
| CN109724797A (en) * | 2018-12-17 | 2019-05-07 | 潍柴动力股份有限公司 | The monitoring method and monitor component of dynamo belt service life |
| CN110411761A (en) * | 2019-09-26 | 2019-11-05 | 潍柴动力股份有限公司 | A kind of automatic tensioner reliability compliance test rack |
| CN211552660U (en) * | 2020-03-06 | 2020-09-22 | 绩伟测量技术(上海)有限公司 | Equipment for measuring distance in construction machinery convenient for reading through embedded turnover wheel |
| CN111843529A (en) * | 2020-06-16 | 2020-10-30 | 东风柳州汽车有限公司 | Clamping device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6849011B2 (en) * | 2002-11-23 | 2005-02-01 | International Truck Intellectual Property Company, Llc | Engine endless drive belt tensioner and tensioner position indicator |
| CN100335881C (en) * | 2004-10-26 | 2007-09-05 | 武汉理工大学 | Test-bed for testing performance of vibration damping belt pulley wheel |
| CN202393595U (en) * | 2011-12-13 | 2012-08-22 | 成都嘉陵华西光学精密机械有限公司 | Comprehensive simulation experiment system test table of engine front end wheel system |
| CN204980532U (en) * | 2015-09-21 | 2016-01-20 | 湖南晟宏新材料科技有限公司 | Permanent tension rolling system of bands for band |
| CN106240562A (en) * | 2016-08-27 | 2016-12-21 | 东风柳州汽车有限公司 | 48 volts of systems of automobile |
| CN210238242U (en) * | 2019-06-19 | 2020-04-03 | 山推工程机械股份有限公司 | Milling machine transmission system and milling machine |
| CN211820598U (en) * | 2019-12-16 | 2020-10-30 | 长春市兴奥机械设备有限责任公司 | Mechanism for tensioning belt |
-
2021
- 2021-01-15 CN CN202110056827.4A patent/CN112945114B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659469A (en) * | 1984-11-23 | 1987-04-21 | Guy Gaudfrin | Tightness device between the conveyor belt and the collecting box with one or more compartments of a vacuum belt filter |
| JP2010134059A (en) * | 2008-12-03 | 2010-06-17 | Canon Inc | Image forming apparatus |
| WO2011014262A1 (en) * | 2009-07-31 | 2011-02-03 | The Mill Steel Co. | Apparatus for determining gauge profile for flat rolled material with laser-based lap counter |
| CN105181331A (en) * | 2015-10-23 | 2015-12-23 | 成都嘉陵华西光学精密机械有限公司 | Detection and analysis device, detection and analysis system and detection and analysis method for front-end wheel train of portable engine |
| CN109724797A (en) * | 2018-12-17 | 2019-05-07 | 潍柴动力股份有限公司 | The monitoring method and monitor component of dynamo belt service life |
| CN110411761A (en) * | 2019-09-26 | 2019-11-05 | 潍柴动力股份有限公司 | A kind of automatic tensioner reliability compliance test rack |
| CN211552660U (en) * | 2020-03-06 | 2020-09-22 | 绩伟测量技术(上海)有限公司 | Equipment for measuring distance in construction machinery convenient for reading through embedded turnover wheel |
| CN111843529A (en) * | 2020-06-16 | 2020-10-30 | 东风柳州汽车有限公司 | Clamping device |
Non-Patent Citations (2)
| Title |
|---|
| 今村惠久.正时皮带用自动张紧轮.轴承.2007,(第02期),48-51. * |
| 张争取 等.一种皮带张紧装置.纺织机械.2012,(第06期),46. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112945114A (en) | 2021-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7466430B2 (en) | Method and apparatus for optically scanning a pneumatic tire of a vehicle wheel | |
| KR100794408B1 (en) | Method and apparatus for optically scanning a vehicle wheel | |
| CN100390497C (en) | Method and apparatus for optically scanning a vehicle wheel | |
| JP4320099B2 (en) | Surveying equipment | |
| CN101553712B (en) | Optical encoder | |
| KR101423348B1 (en) | Apparatus for determining the orientation of a wheel assembly and a method for determining the alighnment position of a vehicle wheel | |
| CN112945114B (en) | Belt elasticity detection mechanism and car | |
| US20060290946A1 (en) | System and method for measuring roundness | |
| JP2001188017A (en) | Optical rotary encoder and motor controller | |
| US20160245725A1 (en) | Method for detecting the eccentricity of a tire for vehicle wheels within processes of maintenance of said wheels and apparatus for the maintenance of wheels of vehicles | |
| CN101076743A (en) | Method and measuring device for measuring an absolute distance | |
| JPH11281582A (en) | Surface inspection apparatus | |
| JP2007309696A (en) | Surface inspection head device | |
| CN112557064A (en) | Detection device | |
| JP2020177012A (en) | Optical apparatus, on-board system, and movement apparatus | |
| US20100053637A1 (en) | Location detection apparatus | |
| US11561288B2 (en) | Optical apparatus, on-board system, and movement apparatus | |
| CN211825657U (en) | Novel fruit detects fruit cup | |
| JP2000038059A (en) | Wear measuring device for trolley wire | |
| CN109855609A (en) | A kind of automatic total instruments and focusing method | |
| CN215985802U (en) | A detect machine for curved surface glass | |
| CN221006143U (en) | Belt pulley centering detection tool | |
| CN218155993U (en) | Scanning type near-infrared laser spot detection device and system | |
| JPH11281583A (en) | Surface inspection apparatus | |
| CN106198452B (en) | Gas analysis device and method based on spectrum technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |