CN111879245B - Automatic precision measuring device for vehicle part product - Google Patents
Automatic precision measuring device for vehicle part product Download PDFInfo
- Publication number
- CN111879245B CN111879245B CN202010756569.6A CN202010756569A CN111879245B CN 111879245 B CN111879245 B CN 111879245B CN 202010756569 A CN202010756569 A CN 202010756569A CN 111879245 B CN111879245 B CN 111879245B
- Authority
- CN
- China
- Prior art keywords
- electric telescopic
- tire
- detection
- measuring device
- sides
- 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
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses an automatic precision measuring device for vehicle part products, which comprises a base, wherein side columns are fixedly welded on two sides of the base, a cross beam is arranged on the two side columns in a lifting manner, side electric telescopic rods for driving are fixedly connected to the lower surfaces of two ends of the cross beam, a driving cylinder part below each side electric telescopic rod is fixedly connected with the side surface of each side column, a detection machine is fixedly welded on two sides of the lower surface of the cross beam, a horizontal electric telescopic rod is fixed on the inner side surface of each detection machine, and the telescopic end of each horizontal electric telescopic rod is connected with a moving frame sleeved on the horizontal sliding rod. The infrared distance sensor measures the distance accurately through reflection to the reflecting plate of detecting the first medial surface through the transmission infrared ray afterwards, then calculates through the removal distance that calculates two detection heads through preset procedure, compares with the diameter parameter of leaving the factory through the diameter of measurationing, calculates the accurate value of wearing and tearing.
Description
Technical Field
The invention belongs to the technical field of automobile part detection, and particularly relates to an automatic precision measuring device for a vehicle part product.
Background
The automobile tire is one of important parts of the automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension so as to ensure that the automobile has good riding comfort and running smoothness; the good adhesion between the wheels and the road surface is ensured; the traction, braking and passing performance of the automobile are improved; bearing the weight of the automobile, the important role of the tire on the automobile is more and more paid attention by people.
The tire wear degree detection in a maintenance shop is generally a tire line, the original tire wear degree has great significance for the evaluation of automobiles, and the tire wear detection is also researched in more aspects including detecting the performance of tires, so that a very accurate tire wear measuring device is required for measurement.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic precision measuring device for vehicle part products.
In order to solve the technical problems, the invention adopts the following technical scheme:
an automatic precision measuring device for vehicle part products comprises a base, wherein both sides of the base are fixedly welded with side columns, and the two side columns are provided with a cross beam in a lifting way, the lower surfaces of the two ends of the cross beam are fixedly connected with side electric telescopic rods for driving, the lower driving cylinder part of the side electric telescopic rod is fixedly connected with the side surface of the side column, the two sides of the lower surface of the cross beam are fixedly welded with a detector, and a horizontal electric telescopic rod is fixed on the inner side surface of the detection machine, the telescopic end of the horizontal electric telescopic rod is connected with a movable frame sleeved on a horizontal sliding rod, the detection machine is electrically connected with the detection head through an electric wire, the inner side surface of the detection head is provided with a pressure sensor, the inner side surface of the detector is also provided with an infrared distance sensor, and the back side surface of the detection head is provided with a reflecting plate which is matched with the infrared distance sensor.
Tire positioning mechanism includes the vertical fixed concave frame of front side of base, and the rotatable articulated ten-shaped rail that has in the spill mouth of concave frame, the cross center of ten-shaped rail is provided with the fixed block, and the all sides all around of fixed block are connected with the tire dead lever that slides and set up on the cross rail through telescopic support rod, the below of ten-shaped rail still sets up upset actuating mechanism.
The overturning driving mechanism comprises an inclined supporting rod, two ends of the inclined supporting rod are hinged to the lower surface of the front side of the cross rail and the upper surface of the base respectively, and the inclined supporting rod is in an inclined state.
The front side of the concave frame is also provided with an upper tire table, and two measuring surfaces of the upper tire table are inclined broken surfaces.
The movable frame comprises two sliding sleeves, a through hole is formed in the middle of each sliding sleeve, the through hole is sleeved on the surface of each horizontal sliding rod, a plurality of pulleys are arranged in the through holes, and the surfaces of the pulleys and the surfaces of the horizontal sliding rods are in rolling fit.
The horizontal sliding rod is arranged into a rectangular strip shape, the number of the pulleys is four, and the four surfaces of the four pulleys are respectively in rolling fit with the four surfaces of the horizontal sliding rod.
After the technical scheme is adopted, compared with the prior art, the invention has the following obvious and substantial characteristics and remarkable technical progress.
When carrying out wheel tire diameter detection, can keep flat the wheel tire in the tire location structure of crossbeam below, make one of them diameter of tire can be in same straight line with two detection heads, the detection machine control horizontal electric telescopic handle drive of both sides removes to the centre and removes, until when contacting the tire surface, the tire surface is touched in the pressure sensor perception of detection head medial surface, give signal transmission and detect the head, stop moving, infrared ray distance sensor passes through the reflecting plate of transmission infrared ray to detection head medial surface afterwards, measure the distance through the reflection is accurate, then calculate through the removal distance that calculates two detection heads through preset procedure, diameter and the diameter parameter contrast of leaving the factory through measuring out, calculate the accurate value of wearing and tearing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: 1-a base; 2-side pillars; 3-a cross beam; 4-side electric telescopic rod; 5-a detector; 6-horizontal sliding bar; 7-a moving rack; 8-detecting head; 9-a concave frame; 10-cross track; 11-a tire securing lever; 12-a telescopic strut; 13-diagonal brace rods; 14-a tire mounting table; 51-infrared distance sensor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.
In order to make the objects, technical solutions and advantages of the preferred embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, an automatic precision measuring device for vehicle component products comprises a base 1, wherein two sides of the base 1 are fixedly welded with a side column 2, the two side columns 2 are provided with a liftable crossbeam 3, the lower surfaces of two ends of the crossbeam 3 are fixedly connected with side electric telescopic rods 4 for driving, a lower driving cylinder part of each side electric telescopic rod 4 is fixedly connected with the side surface of the side column 2, two sides of the lower surface of the crossbeam 3 are fixedly welded with a detector 5, the inner side surfaces of the two detectors 5 are respectively fixed with a horizontal electric telescopic rod, the telescopic end of each horizontal electric telescopic rod is connected with a movable frame 7 sleeved on a horizontal sliding rod 6 parallel to the crossbeam, the detectors 5 are electrically connected with a detection head 8 arranged on the movable frame 7 through electric wires, the inner side surfaces of the detection heads 8 are provided with pressure sensors, the inner side surface of the detector 5 is also provided with an infrared distance sensor 51, the back side surface of the detection head 8 is provided with a reflecting plate which is matched with the infrared distance sensor 51, and a tire positioning mechanism is arranged below the cross beam 3.
Example two:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
tire positioning mechanism includes a vertical fixed concave frame 9 of front side of base 1, and in the spill mouth of concave frame 9 rotatable articulated have a cross rail 10, the cross center of cross rail 10 is provided with a fixed block, and the all sides all are connected with through a telescopic strut 12 and slide and set up a tire dead lever 11 on cross rail 10 around the fixed block, the below of cross rail 10 still sets up a upset actuating mechanism.
The overturning driving mechanism comprises a telescopic inclined supporting rod 13, two ends of the inclined supporting rod 13 are hinged to the lower surface of the front side of the cross rail 10 and the upper surface of the base 1 respectively, and the inclined supporting rod 13 is in an inclined state.
An upper tire table 14 is further arranged on the front side of the concave frame 9, and oblique broken surfaces are arranged on two sides of the upper tire table 14.
The movable frame 7 comprises two sliding sleeves, a through hole which is sleeved on the surface of the horizontal sliding rod 6 is formed in the middle of each sliding sleeve, a plurality of pulleys are arranged in the through holes, and the surfaces of the pulleys are in rolling fit with the surfaces of the horizontal sliding rods 6.
The horizontal sliding rod 6 is arranged into a rectangular strip shape, four pulleys are arranged, and the wheel surfaces of the four pulleys are respectively in rolling fit with the four surfaces of the horizontal sliding rod 6.
Example three:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
as shown in fig. 1 to 2, the device comprises a base 1, side columns 2 are fixedly welded on both sides of the base 1, a cross beam 3 is arranged on each of the two side columns 2 in a lifting manner, a side electric telescopic rod 4 for driving is fixedly connected to the lower surface of each of two ends of the cross beam 3, a driving cylinder part below the side electric telescopic rod 4 is fixedly connected with the side surface of each of the side columns 2, a detector 5 is fixedly welded on both sides of the lower surface of the cross beam 3, a horizontal electric telescopic rod is fixed on the inner side surface of the detector 5, the telescopic end of the horizontal electric telescopic rod is connected with a movable frame 7 sleeved on the horizontal sliding rod 6, the detector 5 is electrically connected with the detector 8 through a wire, a pressure sensor is arranged on the inner side surface of the detector 8, an infrared distance sensor 51 is arranged on the inner side surface of the detector 5, and a reflection plate matched with the infrared distance sensor 51 is arranged on the back side surface of the detector 8, when the diameter of the vehicle tire is detected, the vehicle tire can be flatly placed in the tire positioning mechanism below the cross beam 3, one diameter of the tire can be in the same straight line with the two detection heads 8, the detection machines 5 on two sides control the horizontal electric telescopic rods to drive the moving frame 7 to move towards the middle until the tire surface is contacted, the pressure sensor on the inner side face of the detection head 8 senses and touches the tire surface, signals are transmitted to the detection heads 8, the movement is stopped, then the infrared distance sensor transmits infrared rays to a reflecting plate on the inner side face of the detection head 8, a reflecting plate is not drawn, the distance is accurately measured through reflection, the moving distance of the two detection heads 8 is calculated through a preset program, the measured diameter is compared with the parameters of the outgoing diameter, and the accurate abrasion value is calculated. Both heads 8 are connected to the operating computer by wires, which is conventional in the art and is not described in any greater detail in the figures and in the present description.
The tire positioning structure comprises a concave frame 9 vertically fixed on the front side of a base 1, a cross rail 10 is rotatably hinged in a concave opening of the concave frame 9, a fixed block is arranged in the center of a cross of the cross rail 10, four circumferential sides of the fixed block are connected with tire fixing rods 11 slidably arranged on the cross rail 10 through telescopic support rods 12, firstly, the tire fixing rods 11 are positioned close to each other in the middle, a tire is placed on the cross rail 10, each tire fixing rod 11 is positioned in an inner ring of the tire, then, each tire fixing rod 11 synchronously expands outwards at a constant speed, the tire is accurately positioned below a cross beam, the moving distance of each tire fixing rod is set according to the specification of the inner ring of the tire, a turnover driving mechanism is further arranged below the cross rail 10, in order to enable the tire to be conveniently taken down after detection, the cross rail 10 is slowly turned over, the original upper surface is a vertical surface, so that the device can be conveniently taken down.
The overturning driving mechanism comprises an inclined supporting rod 13, two ends of the inclined supporting rod 13 are hinged to the lower surface of the front side of the cross rail 10 and the upper surface of the base 1 respectively, the inclined supporting rod 13 is in an inclined state, and the cross rail 10 can be overturned due to contraction of the inclined supporting rod 13.
In order to facilitate the tire to be placed on or taken off the cross rail 10, an upper tire table 14 is further arranged on the front side of the concave frame 9, and oblique broken surfaces are arranged on two sides of the upper tire table 14, so that the tire can be conveniently rolled onto or off the table.
The movable frame 7 comprises two sliding sleeves, a through hole which is sleeved on the surface of the horizontal sliding rod 6 is formed in the middle of each sliding sleeve, a plurality of pulleys are arranged in the through holes, and the surfaces of the pulleys are in rolling fit with the surface of the horizontal sliding rod 6, so that friction loss in movement can be reduced.
Furthermore, the horizontal sliding rod 6 is arranged into a rectangular strip shape, four pulleys are arranged, and the wheel surfaces of the four pulleys are respectively in rolling fit with the four surfaces of the horizontal sliding rod 6.
According to the embodiment, the invention discloses an automatic precision measuring device for vehicle part products, which comprises a base, wherein side columns are fixedly welded on two sides of the base, cross beams are arranged on the two side columns in a lifting mode, the lower surfaces of two ends of each cross beam are fixedly connected with side electric telescopic rods for driving, a driving cylinder part below each side electric telescopic rod is fixedly connected with the side surfaces of the side columns, detection machines are fixedly welded on two sides of the lower surface of each cross beam, horizontal electric telescopic rods are fixed on the inner side surfaces of the detection machines, and the telescopic ends of the horizontal electric telescopic rods are connected with a moving frame sleeved on the horizontal sliding rods. The infrared distance sensor measures the distance accurately through reflection to the reflecting plate of detecting the first medial surface through the transmission infrared ray afterwards, then calculates through the removal distance that calculates two detection heads through preset procedure, compares with the diameter parameter of leaving the factory through the diameter of measurationing, calculates the accurate value of wearing and tearing.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an automatic precision measurement device of vehicle parts product, includes base (1), its characterized in that, the equal fixed welding in both sides of base (1) has a root side post (2) to be provided with crossbeam (3) of liftable on two root side posts (2), and the both ends lower fixed surface of crossbeam (3) is connected with and is used for driven side electric telescopic handle (4), the below driving cylinder portion of side electric telescopic handle (4) and the side fixed connection of side post (2), the equal fixed welding in lower surface both sides of crossbeam (3) has one to detect machine (5), and the medial surface of these two detection machines (5) respectively is fixed with a horizontal electric telescopic handle, and horizontal electric telescopic handle's flexible end and cover are established and are connected with one removal frame (7) on horizontal slide bar (6) that are parallel with crossbeam (3) to detection machine (5) still pass through the electric wire with one detection head (8) of installing on removing frame (7), and detect the electric wire (5) The detection device is electrically connected, a pressure sensor is arranged on the inner side surface of the detection head (8), an infrared distance sensor (51) is further arranged on the inner side surface of the detection machine (5), a reflection plate matched with the infrared distance sensor (51) is arranged on the back side surface of the detection head (8), and a tire positioning mechanism (100) is arranged below the cross beam (3); tire positioning mechanism (100) include vertical fixed concave frame (9) of front side of base (1), and in the spill mouth of concave frame (9) rotatable articulated have a cross rail (10), the cross center of cross rail (10) is provided with a fixed block, and the all sides all around of fixed block respectively through a telescopic strut (12) be connected with slide and set up a tire dead lever (11) on cross rail (10), the below of cross rail (10) still sets up a upset actuating mechanism.
2. The automatic precision measuring device of the vehicle part product as claimed in claim 1, wherein the tilting driving mechanism comprises a telescopic inclined strut (13), both ends of the inclined strut (13) are hinged with the front lower surface of the cross rail (10) and the upper surface of the base (1), respectively, and the inclined strut (13) is in an inclined state.
3. The automatic precision measuring device of the vehicle part product as claimed in claim 1, characterized in that the front side of the concave frame (9) is further provided with an upper tire table (14), and the two sides of the upper tire table (14) are oblique fracture surfaces.
4. The automatic precision measuring device of the vehicle part product as claimed in claim 1, wherein the moving frame (7) comprises two sliding sleeves, a through hole is formed in the middle of each sliding sleeve and sleeved on the surface of the horizontal sliding rod (6), a plurality of pulleys are arranged in each through hole, and the surfaces of the pulleys are in rolling fit with the surfaces of the horizontal sliding rods (6).
5. The automatic precision measuring device of the vehicle part product as claimed in claim 4, wherein the horizontal sliding bar (6) is configured as a rectangular bar, and four pulleys are provided, and the wheel surfaces of the four pulleys are respectively in rolling fit with four surfaces of the horizontal sliding bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756569.6A CN111879245B (en) | 2020-07-31 | 2020-07-31 | Automatic precision measuring device for vehicle part product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756569.6A CN111879245B (en) | 2020-07-31 | 2020-07-31 | Automatic precision measuring device for vehicle part product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111879245A CN111879245A (en) | 2020-11-03 |
| CN111879245B true CN111879245B (en) | 2022-07-08 |
Family
ID=73205832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010756569.6A Active CN111879245B (en) | 2020-07-31 | 2020-07-31 | Automatic precision measuring device for vehicle part product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111879245B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199855A (en) * | 1997-05-07 | 1998-11-25 | 株式会社三丰 | Measuring means, contact for measuring means and measuring method |
| JP3274729B2 (en) * | 1991-12-16 | 2002-04-15 | 株式会社ブリヂストン | Method and apparatus for measuring irregular tread wear |
| CN102147235A (en) * | 2011-01-13 | 2011-08-10 | 马鞍山钢铁股份有限公司 | Device for automatically measuring outer diameter of vehicle wheel on line and measurement method thereof |
| CN209043251U (en) * | 2018-11-07 | 2019-06-28 | 寿建文 | Forestry infrared electronic measures diameter of a cross-section of a tree trunk 1.3 meters above the ground instrument |
| CN110160453A (en) * | 2019-05-14 | 2019-08-23 | 杭州电子科技大学 | A kind of bearing internal external circle channel measuring machine and its measurement method |
| CN209479008U (en) * | 2018-12-18 | 2019-10-11 | 坦思途(天津)科技发展有限公司 | A kind of fixed mechanism based on tyre production |
| CN209978823U (en) * | 2019-04-22 | 2020-01-21 | 天稷(苏州)智能科技有限公司 | Precise measuring device for diameter of train wheel |
| CN210426446U (en) * | 2019-04-26 | 2020-04-28 | 河北新金轧材有限公司 | Coiled plate coil diameter measuring scale |
| CN210862608U (en) * | 2019-10-17 | 2020-06-26 | 南通福乐达汽车配件有限公司 | High-precision quick measuring instrument for poly-wedge groove belt pulley |
| CN111412848A (en) * | 2019-01-04 | 2020-07-14 | 郑州宇通客车股份有限公司 | Tire wear detection method and device |
| CN211876957U (en) * | 2020-03-19 | 2020-11-06 | 首钢京唐钢铁联合有限责任公司 | Steel coil diameter measuring device and steel coil alignment mandrel device with same |
| CN212058636U (en) * | 2020-04-28 | 2020-12-01 | 安徽奥丰汽车配件有限公司 | Automobile part checking fixture |
-
2020
- 2020-07-31 CN CN202010756569.6A patent/CN111879245B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3274729B2 (en) * | 1991-12-16 | 2002-04-15 | 株式会社ブリヂストン | Method and apparatus for measuring irregular tread wear |
| CN1199855A (en) * | 1997-05-07 | 1998-11-25 | 株式会社三丰 | Measuring means, contact for measuring means and measuring method |
| CN102147235A (en) * | 2011-01-13 | 2011-08-10 | 马鞍山钢铁股份有限公司 | Device for automatically measuring outer diameter of vehicle wheel on line and measurement method thereof |
| CN209043251U (en) * | 2018-11-07 | 2019-06-28 | 寿建文 | Forestry infrared electronic measures diameter of a cross-section of a tree trunk 1.3 meters above the ground instrument |
| CN209479008U (en) * | 2018-12-18 | 2019-10-11 | 坦思途(天津)科技发展有限公司 | A kind of fixed mechanism based on tyre production |
| CN111412848A (en) * | 2019-01-04 | 2020-07-14 | 郑州宇通客车股份有限公司 | Tire wear detection method and device |
| CN209978823U (en) * | 2019-04-22 | 2020-01-21 | 天稷(苏州)智能科技有限公司 | Precise measuring device for diameter of train wheel |
| CN210426446U (en) * | 2019-04-26 | 2020-04-28 | 河北新金轧材有限公司 | Coiled plate coil diameter measuring scale |
| CN110160453A (en) * | 2019-05-14 | 2019-08-23 | 杭州电子科技大学 | A kind of bearing internal external circle channel measuring machine and its measurement method |
| CN210862608U (en) * | 2019-10-17 | 2020-06-26 | 南通福乐达汽车配件有限公司 | High-precision quick measuring instrument for poly-wedge groove belt pulley |
| CN211876957U (en) * | 2020-03-19 | 2020-11-06 | 首钢京唐钢铁联合有限责任公司 | Steel coil diameter measuring device and steel coil alignment mandrel device with same |
| CN212058636U (en) * | 2020-04-28 | 2020-12-01 | 安徽奥丰汽车配件有限公司 | Automobile part checking fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111879245A (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108645350B (en) | Automatic detection method for automobile tire pattern depth | |
| CN104132820B (en) | Tire testing machine | |
| CN104215464B (en) | Universal wheel alignment monitor station and detection method thereof | |
| CN209051440U (en) | A kind of parameter detection device of portable subway wheel tread | |
| CN210155081U (en) | Rail transit vehicle automobile body device of detecting a flaw | |
| CN217738666U (en) | Automobile brake detection equipment | |
| CN105480258A (en) | Method and device for detecting wheel tread defects | |
| CN111879245B (en) | Automatic precision measuring device for vehicle part product | |
| CN109506860B (en) | Load test device for rotary hinge device | |
| CN212052225U (en) | Deflection beam for deflection value dynamic measurement and road deflection value dynamic measurement device | |
| US5105547A (en) | Method of and apparatus for measuring the wheel alignment of automotive vehicles | |
| CN209639640U (en) | A kind of steel ring end diameter jump runout quantity measuring tool | |
| CN115950730A (en) | Roadbed pavement deflection detection device | |
| CN215971810U (en) | Crawler-type robot with anticollision function | |
| JP2813140B2 (en) | Ultrasonic flaw detector for railway axles | |
| CN213956328U (en) | Device for detecting train wheel tread defect | |
| JP2614470B2 (en) | Tire stiffness measurement method | |
| CN111172850A (en) | Dynamic measuring device for road deflection value and dynamic measuring deflection beam for deflection value | |
| CN203758751U (en) | Detector for wheelchair brake | |
| JPS62135712A (en) | Wheel measuring instrument for railway rolling stock | |
| CN213594270U (en) | Movable plate lifting driving mechanism for detecting train wheel tread defects | |
| CN212586412U (en) | Automobile speedometer detection table for motor vehicle detection | |
| CN211872523U (en) | Road deflection value dynamic measurement device and deflection beam for dynamically measuring deflection value | |
| JPH09218137A (en) | Composite type vehicle inspecting device with side slip tester integrated thereto | |
| CN216012173U (en) | Detection rod and detection device for detecting out-of-roundness of wheel tread |
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 |