CN111879245A - Automatic precision measuring device for vehicle part product - Google Patents
Automatic precision measuring device for vehicle part product Download PDFInfo
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- CN111879245A CN111879245A CN202010756569.6A CN202010756569A CN111879245A CN 111879245 A CN111879245 A CN 111879245A CN 202010756569 A CN202010756569 A CN 202010756569A CN 111879245 A CN111879245 A CN 111879245A
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- electric telescopic
- measuring device
- tire
- precision measuring
- part product
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- 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
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- 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 moving 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 prominent substantive characteristics and obvious 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 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-a detection head; 9-a concave frame; 10-cross rail; 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 post 2, the two side posts 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 driving cylinder part below the side electric telescopic rods 4 is fixedly connected with the side surface of the side post 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 the horizontal electric telescopic rod is connected with a moving frame 7 sleeved on a horizontal sliding rod 6 parallel to the crossbeam, the detector 5 is electrically connected with a detecting head 8 arranged on the moving frame 7 through a wire, the inner side surface of the detecting head 8 is provided with a pressure sensor, 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 matched with the infrared distance sensor 51, and a tire positioning mechanism 100 is arranged below the beam 3.
Example two:
this embodiment is substantially the same as the first embodiment, and is characterized in that:
tire positioning mechanism 100 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, when carrying out the detection of wheel child diameter, can keep flat the wheel child in the tire positioning mechanism of crossbeam 3 below, make one of them diameter of tire can be in same straight line with two detection head 8, the detection machine 5 control horizontal electric telescopic handle drive of both sides moves frame 7 to the centre, until when contacting the tire surface, the tire surface is touched in the pressure sensor perception of detection head 8 medial surface, give detection head 8 with signal transmission, stop moving, infrared ray distance sensor does not draw the reflecting plate in the reflecting plate picture of detection head 8 medial surface through transmitting infrared ray afterwards, measure the distance through reflecting accurately, then calculate through the removal distance that two detection head 8 come to calculate through preset program, diameter through measuring compares with the diameter parameter of leaving the factory, calculate the accurate value of wearing and tearing. 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 at the center of a cross of the cross rail 10, four circumferential surfaces of the fixed block are connected with tire fixing rods 11 arranged on the cross rail 10 in a sliding manner through telescopic supporting rods 12, each tire fixing rod 11 is arranged close to 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, 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 arranged below the cross rail 10, and the cross rail 10 is turned over slowly after the tire is detected, 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.
The automatic precision measuring device 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, side electric telescopic rods for driving are fixedly connected to the lower surfaces of two ends of each cross beam, a driving cylinder portion below each side electric telescopic rod is fixedly connected with the side surface of each side column, a detector is fixedly welded on two sides of the lower surface of each cross beam, a horizontal electric telescopic rod is fixed to the inner side surface of each detector, 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.
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 (6)
1. The utility model provides a vehicle spare part product automatic accuracy measuring device, 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 connection of crossbeam (3) 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 a detector (5), and the medial surface of these two detectors (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 one removal frame (7) on a horizontal slide bar (6) parallel with crossbeam (3) to detector (5) still pass through the electric wire with one detection head (8) of installing on removing frame (7) Carry out electric connection, the medial surface that detects head (8) is provided with pressure sensor, the medial surface that detects machine (5) still is provided with infrared apart from inductor (51), and the dorsal surface that detects head (8) is provided with the reflecting plate of matcing the installation with infrared apart from inductor (51), crossbeam (3) below has a tire positioning mechanism (100).
2. The automatic precision measuring device of the vehicle part product as claimed in claim 1, wherein the tire positioning mechanism (100) comprises a concave frame (9) vertically fixed at the front side of the base (1), a cross rail (10) is rotatably hinged in a concave opening of the concave frame (9), a fixed block is arranged at the cross center of the cross rail (10), a tire fixing rod (11) slidably arranged on the cross rail (10) is connected to four circumferential sides of the fixed block through a telescopic strut (12), and a turnover driving mechanism is further arranged below the cross rail (10).
3. The automatic precision measuring device of the vehicle part product is characterized in that the overturning driving mechanism comprises a telescopic inclined supporting rod (13), two ends of the inclined supporting rod (13) are respectively hinged with the front lower surface of the cross rail (10) and the upper surface of the base (1), and the inclined supporting rod (13) is in an inclined state.
4. The automatic precision measuring device of the vehicle part product is characterized in that 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).
5. 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 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 pulley surfaces of the pulleys are in rolling fit with the surface of the horizontal sliding rod (6).
6. The automatic precision measuring device of the vehicle part product is characterized in that the horizontal sliding rod (6) is arranged in 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).
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CN202010756569.6A CN111879245B (en) | 2020-07-31 | 2020-07-31 | Automatic precision measuring device for vehicle part product |
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CN202010756569.6A CN111879245B (en) | 2020-07-31 | 2020-07-31 | Automatic precision measuring device for vehicle part product |
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CN111879245B CN111879245B (en) | 2022-07-08 |
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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 |
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