CN213658258U - Centering and positioning mechanism for vehicle detection system - Google Patents
Centering and positioning mechanism for vehicle detection system Download PDFInfo
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- CN213658258U CN213658258U CN202022178753.5U CN202022178753U CN213658258U CN 213658258 U CN213658258 U CN 213658258U CN 202022178753 U CN202022178753 U CN 202022178753U CN 213658258 U CN213658258 U CN 213658258U
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Abstract
The utility model relates to a centering positioning mechanism for vehicle detecting system, including the load-bearing platform who is used for bearing the weight of the vehicle and assemble in load-bearing platform, it is right that the vehicle carries out two centering units of centering location. The load-bearing platform has a platform centerline and the vehicle has a vehicle centerline. The two centering units are respectively arranged on the center line of the platform and respectively correspond to the positions of the front wheels and the rear wheels of the vehicle. Each centering unit comprises a pushing component used for pushing the two front wheels or the two rear wheels so as to enable the center line of the vehicle to be coincident with the center line of the platform. The pushing component comprises a first transmission module and a second transmission module which are meshed with each other for transmission, and the first transmission module and the second transmission module move oppositely and are used for pushing the two front wheels or the two rear wheels respectively.
Description
Technical Field
The utility model relates to a vehicle testing field especially relates to a centering positioning mechanism for vehicle testing system.
Background
After the vehicle is manufactured, the vehicle must be detected before leaving the factory, the detection before leaving the factory is the final link of vehicle leaving the factory, and all indexes are detected to be qualified before entering the market. The vehicle is parked at a designated location on the inspection platform before it is ready for inspection. However, because the vehicle is parked artificially, the position of the vehicle may be deviated during the parking process, and it is the most common practice to set a mark, such as a groove, on the detection platform corresponding to the position of the wheel of the vehicle to guide the positioning. However, this method requires continuous position adjustment, has a low automation level, and is not suitable for detection of a large number of vehicles. The other method is to match the position of the vehicle corresponding to the detection platform by externally connecting a measuring device, such as a sensor, etc., however, the method has poor stability in the actual application process and limited application scenarios.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a centering and positioning mechanism for a vehicle detection system, which includes a carrying platform for carrying a vehicle and two centering units assembled on the carrying platform for centering and positioning the vehicle; the bearing platform is provided with a platform center line, the vehicle is provided with a vehicle center line, and the two centering units are respectively arranged on the platform center line and respectively correspond to the front wheel and the rear wheel of the vehicle; each centering unit comprises a pushing assembly used for pushing the two front wheels or the two rear wheels to enable the center line of the vehicle to be coincident with the center line of the platform, the pushing assembly comprises a first transmission module and a second transmission module which are meshed with each other for transmission, and the first transmission module and the second transmission module move oppositely to be used for pushing the two front wheels or the two rear wheels respectively.
Optionally, each centering unit further includes two plane roller sets symmetrically disposed on two sides of the platform center line for carrying two front wheels or two rear wheels.
Optionally, the device comprises a bearing plate arranged between the two plane roller sets and used for bearing the first transmission module and the second transmission module, and the first transmission module and the second transmission module are arranged in central symmetry along the center of the bearing plate.
Optionally, a transmission gear is assembled at the center of the bearing plate, and the first transmission module and the second transmission module are arranged in parallel along a direction perpendicular to the center line of the platform and are respectively engaged with two opposite sides of the transmission gear.
Optionally, the first drive module comprises a first drive unit and a first drive rack; the second transmission module comprises a second driving unit and a second transmission rack; the first transmission rack and the second transmission rack are respectively meshed with two opposite sides of the transmission gear and are symmetrically arranged along the center of the transmission gear; wherein,
the first driving unit and the second driving unit run synchronously, the first driving unit drives the first transmission rack to move back and forth along the direction perpendicular to the central line of the platform, the second driving unit also drives the second transmission rack to move back and forth along the direction perpendicular to the central line of the platform, and the moving directions of the first transmission rack and the second transmission rack are opposite.
Optionally, the bearing plate is provided with a first slide rail and a second slide rail at positions corresponding to the first transmission rack and the second transmission rack, respectively, the first transmission rack is slidably connected to the first slide rail through at least two first slide blocks, and the second transmission rack is slidably connected to the second slide rail through at least two second slide blocks.
Optionally, the pushing assembly further comprises a first middle pushing rod and a second middle pushing rod parallel to each other, wherein,
the first middle abutting push rod is arranged at the end part of the first transmission rack, and the second middle abutting push rod is arranged at the end part of the second transmission rack and is used for abutting against and pushing the two front wheels or the two rear wheels respectively.
Optionally, the first transmission rack is fixedly butted with the first middle butting push rod through a fixed block; and
the second transmission rack is fixedly butted with the second middle butting push rod through the fixed block.
Optionally, the end part of the first transmission rack for connecting the first pair of middle abutting push rods and the end part of the second transmission rack for connecting the second pair of middle abutting push rods are both provided with mounting parts; the fixed block is provided with an installation groove matched with the installation part; the installation part is inserted in the installation groove and is fixed through a screw.
Optionally, the first middle abutting push rod and the second middle abutting push rod are provided with two fixed block mounting parts matched with the fixed blocks.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
an embodiment of the utility model provides a centering positioning mechanism for vehicle detecting system, load-bearing platform are used for bearing the weight of the vehicle, and two pairs of unit package are in load-bearing platform, and correspond to the front wheel and the rear wheel position of vehicle respectively for carry out centering location to the vehicle. Each centering unit comprises a pushing assembly, and a first transmission module and a second transmission module of the pushing assembly move back to back so as to be used for pushing two front wheels or two rear wheels respectively. Therefore, in the pushing process, when the center line of the vehicle and the center line of the platform coincide with each other, the vehicle is quickly centered and positioned on the bearing platform, the positioning efficiency is high, the labor is saved, and the precision is high.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a bearing platform and a vehicle of a centering and positioning mechanism for a vehicle detection system according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the load-bearing platform and two centering units shown in FIG. 1;
FIG. 3 is a schematic diagram of the internal structure of the two pairs of cells shown in FIG. 2;
FIG. 4 is a schematic view of the push assembly and two planar roller sets of FIG. 3;
FIG. 5 is a schematic structural diagram of the pushing assembly shown in FIG. 4;
FIG. 6 is a schematic structural view of the carrier plate shown in FIG. 5;
FIG. 7 is a schematic structural view of the first drive rack shown in FIG. 5;
FIG. 8 is a schematic structural view of the fixing block shown in FIG. 5;
FIG. 9 is a schematic structural view of the first middle abutting rod shown in FIG. 5;
fig. 10 is a structural view of the reinforcing plate shown in fig. 5.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims does not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Fig. 1 is a schematic structural diagram of a bearing platform and a vehicle for a centering and positioning mechanism of a vehicle detection system according to an embodiment of the present invention. Fig. 2 is a schematic structural view of the loading platform and the two centering units shown in fig. 1. Fig. 3 is a schematic diagram of the internal structure of the two pairs of cells shown in fig. 2. Figure 4 is a schematic view of the push assembly and two plane roller set shown in figure 3. Fig. 5 is a schematic structural diagram of the pushing assembly shown in fig. 4. FIG. 6 is a schematic structural diagram of the carrier plate shown in FIG. 5. Fig. 7 is a schematic structural view of the first driving rack shown in fig. 5. Fig. 8 is a schematic structural view of the fixing block shown in fig. 5. Fig. 9 is a schematic structural view of the first middle abutting rod shown in fig. 5. Fig. 10 is a structural view of the reinforcing plate shown in fig. 5.
Referring to fig. 1 to 10, the embodiment of the present invention provides a centering and positioning mechanism for a vehicle detection system, including a carrying platform 1 for carrying a vehicle 2 and two pairs of middle units 3 assembled on the carrying platform 1 to perform centering and positioning on the vehicle 2. The load-bearing platform 1 has a platform centre line 11 and the vehicle 2 has a vehicle centre line 21. The two centering units 3 are respectively arranged on the platform center line 11 and respectively correspond to the front wheel and the rear wheel of the vehicle 2. Each centering unit 3 comprises a thrust assembly 32 for thrusting against two front wheels or two rear wheels so as to coincide the vehicle centre line 21 and the platform centre line 11. The pushing assembly 32 includes a first transmission module and a second transmission module that are engaged with each other for transmission. The first transmission module and the second transmission module move back to respectively push against the two front wheels or the two rear wheels. Therefore, in the pushing process, when the vehicle center line 21 and the platform center line 11 coincide with each other, the vehicle 2 is quickly centered and positioned on the bearing platform 1, the positioning efficiency is high, the labor is saved, and the precision is high.
Referring to fig. 1 to 5, the load-bearing platform 1 may comprise a plurality of keel profiles and a plurality of platform plates. Specifically, a plurality of keel sectional materials can be built to form a square frame structure, and a plurality of platform plates are laid on the upper surface layer of the frame structure. The vehicle 2 is parked on the platform plate, the bearing capacity of the frame structure is strong, and the ground cannot be easily damaged after the vehicle 2 is borne. The center of the load bearing platform 1 along the length direction thereof is provided with a platform center line 11, and the platform center line 11 divides the load bearing platform 1 into two symmetrical parts. Correspondingly, the vehicle 2 also has a vehicle centerline 21 along its length, the vehicle centerline 21 also dividing the vehicle 2 into two symmetrical sections. The two centering units 3 are respectively arranged on the platform center line 11, and respectively correspond to the positions of the front wheels and the rear wheels of the vehicle 2, and are used for centering and positioning the vehicle 2. When the vehicle 2 is parked on the load-bearing platform 1 and its two front wheels and two rear wheels correspond to the positions of the two pairs of cells 3, respectively, the two pairs of cells 3 are activated synchronously and push against the two front wheels and the two rear wheels, respectively, until when the vehicle centerline 21 and the platform centerline 11 coincide, it is determined that the vehicle 2 is centered.
Further, each centering unit 3 includes a pushing assembly 32 for pushing against two front wheels or two rear wheels so that the vehicle centerline 21 and the platform centerline 11 coincide. The pushing assembly 32 may include a first transmission module and a second transmission module that are engaged with each other for transmission. The first transmission module and the second transmission module move back to respectively push against the two front wheels or the two rear wheels. Each centering unit 3 further comprises two plane roller sets 31 symmetrically arranged on both sides of the platform center line 11 for carrying two front wheels or two rear wheels.
Specifically, the two plane roller sets 31 of one of the centering units 3 are respectively used for bearing two front wheels, and the two plane roller sets 31 of the other centering unit 3 are respectively used for bearing two rear wheels. The first transmission module and the second transmission module included in the pushing assembly 32 of one of the centering units 3 are arranged back to back on the platform center line 11 and are respectively used for pushing the two front wheels, and the first transmission module and the second transmission module are located between the two plane roller sets 31 for bearing the two front wheels. The first transmission module and the second transmission module included in the pushing assembly 32 of the other centering unit 3 are also arranged back to back on the platform center line 11, and are respectively used for pushing the two rear wheels, and the first transmission module and the second transmission module are located between the two plane roller sets 31 for bearing the two rear wheels. In the process of pushing the two front wheels to move, the two front wheels move under the driving of the two plane roller sets 31 respectively, and in the process of pushing the two rear wheels, the two rear wheels move under the driving of the two plane roller sets 31 respectively by the first transmission module and the second transmission module for pushing the two rear wheels, so that the pushing process is more labor-saving, and the pushing effect is better. Wherein, a bearing plate 301 is respectively arranged on the platform central line 11, between the two plane roller sets 31 for bearing the two front wheels and between the two plane roller sets 31 for bearing the two rear wheels. Each of the carrier boards 301 carries a pushing assembly 32. The first transmission module and the second transmission module included in the pushing assembly 32 are arranged along the center of the bearing plate 301 in a central symmetry manner, that is, in a rotational symmetry manner, that is, the movement directions of the first transmission module and the second transmission module are opposite. When the bearing plate 301 corresponds to the two front wheel positions, the first transmission module on the bearing plate 301 is used for pushing one front wheel, the second transmission module on the bearing plate 301 is used for pushing the other front wheel, and the first transmission module and the second transmission module run synchronously.
In one embodiment, referring to fig. 1-5, a transmission gear 322 is assembled at the center of the carrier plate 301. The first transmission module and the second transmission module are arranged in parallel along a direction perpendicular to the central line 11 of the platform and are respectively meshed with two opposite sides of the transmission gear 322. Further, the first transmission module includes a first driving unit 3211 and a first transmission rack 323. The second transmission module includes a second driving unit 3212 and a second transmission rack 324. The first driving rack 323 and the second driving rack 324 are respectively engaged with opposite sides of the driving gear 322 and are arranged along the center of the driving gear 322 symmetrically. The first driving unit 3211 and the second driving unit 3212 operate synchronously, the first driving unit 3211 drives the first driving rack 323 to reciprocate along a direction perpendicular to the platform center line 11, the second driving unit 3212 also drives the second driving rack 324 to reciprocate along a direction perpendicular to the platform center line 11, and the first driving rack 323 and the second driving rack 324 move in opposite directions. The first driving unit 3211 and the second driving unit 3212 may both be driving cylinders, but are not limited thereto.
Further, referring to fig. 1 to 6, the position of the carrier plate 301 corresponding to the first transmission rack 323 and the second transmission rack 324 is respectively provided with a first slide rail 3011 and a second slide rail 3012. The first transmission rack 323 is slidably connected to the first slide rail 3011 through at least two first sliders (not shown). The second driving rack 324 is slidably connected to the second sliding rail 3012 through at least two second sliding blocks 328. Specifically, the first slide rail 3011 and the second slide rail 3012 are disposed along the center of the loading plate 301.
Further, the abutting assembly 32 further includes a first abutting-against rod 326 and a second abutting-against rod 327 parallel to each other. The first middle supporting push rod 326 is installed at an end of the first transmission rack 323, and the second middle supporting push rod 327 is installed at an end of the second transmission rack 324 to respectively push against two front wheels or two rear wheels. Specifically, taking the pushing assembly 32 on the supporting board 301 corresponding to the positions of the two front wheels as an example, the first driving unit 3211 and the second driving unit 3212 operate synchronously to drive the first middle pushing rod 326 and the second middle pushing rod 327 to move back and forth, respectively for pushing the two front wheels. Specifically, before the vehicle 2 is not centered, the vehicle centerline 21 and the platform centerline 11 are deviated, the first centering push rod 326 and the second centering push rod 327 corresponding to the positions of the front wheels move synchronously to push the two front wheels, and correspondingly, the first centering push rod 326 and the second centering push rod 327 corresponding to the positions of the rear wheels move synchronously to push the two rear wheels, so that the vehicle body of the vehicle 2 moves integrally and is adjusted, and finally the vehicle centerline 21 and the platform centerline 11 are ensured to coincide.
It should be noted that each pushing assembly 32 further includes two distance sensors (not shown), and the two distance sensors can be respectively mounted on the first transmission rack 323 and the second transmission rack 324, but not limited thereto. In the process of synchronous movement of the first transmission rack 323 and the second transmission rack 324, the two distance sensors are respectively used for calculating the advancing distance of the first transmission rack 323 and the second transmission rack 324, and if and only if the distance measurement values of the two distance sensors are equal, the precision requirement is met. After the vehicle 2 completes centering and positioning, the first driving unit 3211 and the second driving unit 3212 stop operating synchronously, so that the two front wheels or the two rear wheels are not continuously extruded, and unnecessary damage is avoided.
Further, referring to fig. 5-9, first drive rack 323 is provided with a rack portion 3231, rack portion 3231 having a first end 3232 and an opposite second end 3233. Rack portion 3231 is adapted for meshing engagement with drive gear 322 and reciprocates between a first end 3232 and a second end 3233. The second driving rack 324 has a contour identical to that of the first driving rack 323, and thus will not be described in detail. The first driving rack 323 can be fixedly butted with the first butting push rod 326 through a fixed block 3235. And the second driving rack 324 can also be fixedly butted with a second butting push rod 327 through a fixed block 3235. The end of the first transmission rack 323 used for connecting the first middle abutment push rod 326 and the end of the second transmission rack 324 used for connecting the second middle abutment push rod 327 are both provided with a mounting portion 3234. And the fixing block 3235 is provided with a mounting groove 3236 matched with the mounting portion 3234, and the mounting portion 3234 is inserted into the mounting groove 3236 and fixed by a screw. And the first middle abutting push rods 326 are respectively provided with a fixed block mounting part 3261 matched with the fixed block 3235. The outline of the second middle abutting rod 327 is identical to that of the first middle abutting rod 326, and the description thereof is omitted.
Further, referring to fig. 5 to 10, reinforcing plates 3237 are disposed at a connection portion of the first transmission rack 323 and the fixed block 3235 and a connection portion of the second transmission rack 324 and the fixed block 3235.
Further, referring to fig. 5, the first driving unit 3211 is fixedly connected to the first driving rack 323 through a connecting member 325, and the second driving unit 3212 is also fixedly connected to the second driving rack 324 through a connecting member 325.
Further, referring to fig. 2, each centering unit 3 is provided with a sealing cover plate for covering the pushing assembly 32 to prevent the pushing assembly 32 from being impacted by foreign objects or contaminating dirt, dust, etc. in the air.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (6)
1. A centering and positioning mechanism for a vehicle detection system comprises a bearing platform for bearing a vehicle and two centering units assembled on the bearing platform for centering and positioning the vehicle; the bearing platform is provided with a platform center line, and the vehicle is provided with a vehicle center line, and the bearing platform is characterized in that the two centering units are respectively arranged on the platform center line and respectively correspond to the positions of a front wheel and a rear wheel of the vehicle; each centering unit comprises a pushing assembly used for pushing two front wheels or two rear wheels to enable the center line of the vehicle to be coincident with the center line of the platform, the pushing assembly comprises a first transmission module and a second transmission module which are meshed with each other for transmission, and the first transmission module and the second transmission module move oppositely to be used for pushing the two front wheels or the two rear wheels respectively;
the first transmission module comprises a first driving unit and a first transmission rack; the second transmission module comprises a second driving unit and a second transmission rack; the first transmission rack and the second transmission rack are respectively meshed with two opposite sides of a transmission gear and are symmetrically arranged along the center of the transmission gear; wherein,
the first driving unit and the second driving unit run synchronously, the first driving unit drives the first transmission rack to move back and forth along the direction vertical to the central line of the platform, the second driving unit also drives the second transmission rack to move back and forth along the direction vertical to the central line of the platform, and the moving directions of the first transmission rack and the second transmission rack are opposite;
the pushing component also comprises a first middle pushing rod and a second middle pushing rod which are parallel to each other, wherein,
the first middle abutting push rod is arranged at the end part of the first transmission rack, and the second middle abutting push rod is arranged at the end part of the second transmission rack and is used for abutting against and pushing the two front wheels or the two rear wheels respectively;
the first transmission rack is fixedly butted with the first middle butting push rod through a fixed block; and
the second transmission rack is fixedly butted with the second middle butting push rod through the fixed block;
first drive rack is used for connecting the tip that supports the push rod in first pair with second drive rack is used for connecting the tip that supports the push rod in the second pair all is equipped with the installation department, the fixed block is equipped with the mounting groove, the installation department insert inlay in the mounting groove.
2. The centering and positioning mechanism for vehicle detecting system as claimed in claim 1, wherein each centering unit further comprises two plane roller sets symmetrically disposed on both sides of the center line of the platform for carrying two front wheels or two rear wheels.
3. The centering and positioning mechanism for vehicle detecting system as claimed in claim 2, comprising a carrier plate disposed between two planar roller sets for carrying said first transmission module and said second transmission module, wherein said first transmission module and said second transmission module are disposed symmetrically along a center of said carrier plate.
4. The centering and positioning mechanism for the vehicle detecting system as claimed in claim 3, wherein a transmission gear is assembled at the center of the loading plate, and the first transmission module and the second transmission module are arranged in parallel along a direction perpendicular to the center line of the platform and are respectively engaged with two opposite sides of the transmission gear.
5. The centering and positioning mechanism for the vehicle detecting system as claimed in claim 4, wherein the position of the carrier plate corresponding to the first transmission rack and the second transmission rack is respectively provided with a first slide rail and a second slide rail, the first transmission rack is slidably connected to the first slide rail through at least two first slide blocks, and the second transmission rack is slidably connected to the second slide rail through at least two second slide blocks.
6. The centering and positioning mechanism for the vehicle detecting system as claimed in claim 1, wherein the first centering and abutting push rod and the second centering and abutting push rod are provided with two fixing block mounting parts adapted to the fixing block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022178753.5U CN213658258U (en) | 2020-09-29 | 2020-09-29 | Centering and positioning mechanism for vehicle detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022178753.5U CN213658258U (en) | 2020-09-29 | 2020-09-29 | Centering and positioning mechanism for vehicle detection system |
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| CN213658258U true CN213658258U (en) | 2021-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264268A (en) * | 2021-12-20 | 2022-04-01 | 六安智梭无人车科技有限公司 | Automatic centering device and automatic centering method for four-wheel vehicle |
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2020
- 2020-09-29 CN CN202022178753.5U patent/CN213658258U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264268A (en) * | 2021-12-20 | 2022-04-01 | 六安智梭无人车科技有限公司 | Automatic centering device and automatic centering method for four-wheel vehicle |
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