Vehicle rapid positioning tool for whole vehicle off-line detection

Abstract

The utility model discloses a vehicle rapid positioning tool for whole vehicle off-line detection relates to vehicle positioning tool technical field, including bearing platform, the top surface of bearing platform is vehicle parking detection area, is provided with the guide arrow on the bearing platform, the bottom inner chamber of bearing platform is used for accommodating positioning mechanism, first positioning subassembly is set up in the bottom of bearing platform for along the first direction of vehicle to the position correction of vehicle, second positioning subassembly is set up in the bottom of bearing platform for along the second direction of vehicle to the position correction of vehicle, the utility model discloses through four T type correction pole respectively and touch four tires, and the transverse clamping of both sides correction board, and this tool can adapt to different wheelbase, different track's multiple vehicle models, just need to preset the positioning program of different vehicle models in control system, has very strong versatility.

Description

Technical Field

[0001] This utility model relates to the field of vehicle positioning tooling technology, specifically a vehicle rapid positioning tooling for vehicle off-line inspection. Background Technology

[0002] After the vehicle completes final assembly, it undergoes a series of rigorous performance tests at a dedicated testing station, including four-wheel alignment, headlight testing, braking performance testing, and emissions testing. To ensure these testing devices can acquire data accurately and efficiently, a fundamental prerequisite is that the vehicle under test must be precisely positioned in the designated testing station. Therefore, before testing begins, specific tooling or auxiliary methods are typically used to position the vehicle to meet the requirements of the testing equipment.

[0003] To address the issue of insufficient accuracy in manual positioning, some existing technologies employ fixed correction components at the inspection station. For example, fixed limit blocks, guide wheels, or correction plates are installed on both sides of the platform. When a vehicle enters, the physical contact and compression between the wheels and these fixed components forces the vehicle to passively adjust to a relatively fixed position. However, fixed correction components lack flexibility and cannot adapt to diverse vehicle models with different wheelbases and track widths. When the vehicle model changes, complex adjustments or even replacements of the tooling are often required, resulting in poor versatility and failing to meet the needs of flexible production lines. Therefore, a rapid vehicle positioning tooling for vehicle off-line inspection is needed to overcome these shortcomings. Utility Model Content

[0004] Technical problems to be solved The purpose of this invention is to overcome the shortcomings of the existing technology and provide a vehicle rapid positioning tool for vehicle off-line inspection.

[0005] Technical solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vehicle rapid positioning fixture for vehicle off-line inspection, comprising: The support platform has a top surface designated as a vehicle parking detection area and is equipped with guide arrows; the bottom cavity of the support platform is used to accommodate a positioning mechanism. The first positioning component is disposed at the bottom of the support platform and is used to correct the position of the vehicle along the first direction of the vehicle. The second positioning component is disposed at the bottom of the support platform and is used to correct the position of the vehicle along the second direction of the vehicle. Wherein, the first direction is the direction in which the vehicle moves forward, and the second direction is the direction perpendicular to the first direction.

[0007] Furthermore, the first positioning component includes: The drive rod has a set of opposite threads at both ends; A set of symmetrical racks, the drive rod passing through two racks, and the racks engaging with the drive rod via threads; A set of symmetrical gears meshes with the two racks respectively; A set of symmetrical synchronizing rods are fixedly inserted through the center of the two gears, and a straightening rod is fixedly connected to both ends of the synchronizing rods; When the drive rod rotates, it drives the two racks to move towards or away from each other, and then rotates synchronously through the gear and the synchronizing rod to simultaneously contact the tires on both sides of the vehicle.

[0008] Furthermore, all of the corrective rods are T-shaped; The support platform has a T-slot adapted to the straightening rod, so that the straightening rod can rotate from the bottom to the top of the support platform to position the vehicle tire.

[0009] Furthermore, the first positioning component also includes: The guide frame is fixed to the bottom of the support platform; The racks are slidably disposed within the guide frame, the gears are rotatably disposed within the guide frame, and the drive rod rotatably passes through the guide frame.

[0010] Furthermore, the second positioning component includes: A set of symmetrical straightening plates is used to resist the side of the vehicle, and each straightening plate has a movable block fixedly connected to its bottom; A control lever with a set of opposite threads at both ends, the control lever passing through two moving blocks and being threadedly connected to the moving blocks; When the control lever rotates, it drives the two moving blocks to move towards or away from each other, thereby causing the two straightening plates to move closer or further apart to perform lateral positioning of the vehicle.

[0011] Furthermore, the support platform has two oppositely arranged through slots, and the two movable blocks can respectively pass through the through slots. At least one guide block is fixed to the bottom of each correction plate, and a guide groove is constructed on the bearing platform to cooperate with the guide block in order to guide the correction plate to move smoothly.

[0012] Furthermore, the first drive unit is located at the bottom of the support platform, and its output end is connected to the drive rod of the first positioning component for driving the drive rod to rotate. The second drive unit is located at the bottom of the support platform, and its output end is connected to the control rod of the second positioning component for driving the control rod to rotate.

[0013] Compared with existing technologies, this vehicle rapid positioning fixture for vehicle off-line inspection has the following advantages: I. Through the coordinated operation of the first positioning component and the second positioning component, fully automatic and high-precision position correction of the vehicle in two vertical directions is achieved; Second, by using four T-shaped straightening rods to abut against the four tires and the lateral clamping of the straightening plates on both sides, this tooling can adapt to various vehicle models with different wheelbases and track widths. It only requires preset positioning programs for different vehicle models in the control system, making it highly versatile. Third, the entire process, from vehicle entry to precise positioning and tool reset after inspection, is fully automated, reducing manual intervention and reliance on driver skills, making the inspection process more standardized and efficient. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of this utility model from another perspective; Figure 3 This is a schematic diagram of the structure of the first positioning component and the second positioning component of this utility model; Figure 4 This is an enlarged structural schematic diagram of the support platform of this utility model.

[0015] In the figure: 1. Supporting platform; 2. First positioning component; 201. Drive rod; 202. Rack; 203. Gear; 204. Synchronizing rod; 205. Correcting rod; 206. Guide frame; 3. Second positioning component; 301. Control rod; 302. Correcting plate; 303. Moving block; 304. Guide block; 4. T-slot; 5. Through slot; 6. Guide slot; 7. First drive unit; 8. Second drive unit. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figure 1-4As shown, this utility model provides a technical solution: a vehicle rapid positioning fixture for vehicle off-line inspection, used to quickly and accurately position the vehicle at a preset inspection station after the vehicle has been assembled and off the line, before various performance tests are performed.

[0018] The vehicle rapid positioning fixture in this embodiment mainly includes a support platform 1, a first positioning component 2, and a second positioning component 3.

[0019] The support platform 1 is the foundation of the entire tooling. Its top surface forms a flat vehicle parking and inspection area for carrying the vehicle to be inspected. At the entrance of the vehicle parking and inspection area, there is a prominent guide arrow to guide the driver to roughly park the vehicle in the correct position. The interior or bottom of the support platform 1 is designed as a hollow bottom cavity to accommodate and protect the mechanical structure of the first positioning component 2 and the second positioning component 3.

[0020] like Figure 1 and Figure 3 As shown, the first positioning component 2 is installed in the bottom cavity of the support platform 1. Its function is to correct the position of the vehicle from the forward direction (i.e., longitudinal direction). This component mainly consists of a drive rod 201, a rack 202, gears 203, a synchronizing rod 204, and a correction mechanism. The drive rod 201 is a long shaft that is rotatably mounted horizontally at the bottom of the support platform 1 via a bearing seat. Two gears 203 are fixedly installed on the drive rod 201. These two gears 203 mesh with a rack 202, and the two racks 202 are arranged parallel to the forward direction of the vehicle. The guide frame 206 restricts the gears. When the drive rod 201 rotates, the two synchronizing rods 204 will rotate synchronously through the transmission of the gear 203 and the rack 202, thereby driving the T-shaped straightening rods 205 at both ends of the synchronizing rods 204 to rotate synchronously. All four straightening rods 205 rotate from the bottom of the bearing platform 1 through the T-slot 4 to the top of the bearing platform 1 until the four straightening rods 205 respectively come into contact with the four tires of the vehicle. The top of the straightening rods 205 is equipped with a roller structure. During the process of the straightening rods 205 contacting the tires, the rollers rotate synchronously to assist in the position correction of the vehicle in the first direction.

[0021] like Figure 1 and Figure 3 As shown, the second positioning component 3 is also set in the bottom cavity of the bearing platform 1. Its function is to correct the position of the vehicle from the direction perpendicular to the vehicle's forward direction (i.e., laterally). Its installation direction is perpendicular to the first positioning component 2. When the control rod 301 rotates, since the control rod 301 is threadedly engaged with the moving block 303 and the through groove 5 restricts the sliding direction of the moving block 303, the correction plate 302 on one side of the vehicle moves closer to the tire until the correction plates 302 on both sides of the vehicle perform second-direction position correction on the vehicle.

[0022] The first drive unit 7 and the second drive unit 8 are servo motors, which are fixedly installed at the bottom of the support platform 1 and independently provide power to the first positioning component 2 and the second positioning component 3. Specifically, they can be divided into two servo motors: one whose output end is fixedly connected to the end of the drive rod 201 to precisely control the rotation angle and speed of the drive rod 201, and the other servo motor, which is fixedly connected to the end of the output shaft control rod 301 to control the lateral positioning action. Both servo motors are electrically connected to a central control system (such as a PLC) and can perform automated operation according to a preset program or sensor signal.

[0023] To ensure the smoothness and accuracy of the movement of the straightening plate 302, a set of guide blocks 304 are fixedly installed on the bottom of each straightening plate 302 on the top surface of the support platform 1. At the same time, guide grooves 6 that match the guide blocks 304 are correspondingly opened on the top surface of the support platform 1. When the straightening plate 302 moves, the guide blocks 304 slide in the guide grooves 6, which plays a guiding and supporting role, effectively preventing the straightening plate 302 from shaking or tilting during the movement.

[0024] The workflow is as follows: First, the driver, following the guide arrows on the carrying platform 1, roughly drives the vehicle into the vehicle parking and testing area and puts it in neutral. At this time, the vehicle's position has a certain longitudinal and lateral deviation. Then, the central control system starts the positioning program, controlling servo motor 1 to start, so that the first positioning component 2 pushes the vehicle longitudinally to the preset reference position. Then, the control system starts servo motor 2, so that the second positioning component 3 centers the vehicle laterally. When the positioning in both directions is completed, the servo motors stop and maintain torque (or lock through a self-locking mechanism) to ensure that the vehicle will not shift during the testing process. At this time, the vehicle has been precisely fixed on the testing station and various offline tests can begin. After the test is completed, the control system controls the two servo motors to rotate in opposite directions, so that the correction rod 205 of the first positioning component 2 rotates and descends, and the correction plate 302 of the second positioning component 3 retracts outward, and the vehicle can then leave the fixture.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle rapid positioning fixture for vehicle off-line inspection, characterized in that, include: The top surface of the support platform (1) is a vehicle parking detection area, and the support platform (1) is provided with guide arrows; the bottom cavity of the support platform (1) is used to accommodate the positioning mechanism. The first positioning component (2) is disposed at the bottom of the bearing platform (1) and is used to correct the position of the vehicle along the first direction of the vehicle; The second positioning component (3) is disposed at the bottom of the bearing platform (1) and is used to correct the position of the vehicle along the second direction of the vehicle; Wherein, the first direction is the direction in which the vehicle moves forward, and the second direction is the direction perpendicular to the first direction.

2. The vehicle rapid positioning fixture according to claim 1, characterized in that: The first positioning component (2) includes: The drive rod (201) has a set of opposite threads at both ends; A set of symmetrical racks (202), the drive rod (201) passes through the two racks (202), and the racks (202) are threadedly engaged with the drive rod (201); A set of symmetrical gears (203) meshes with two racks (202) respectively; A set of symmetrical synchronizing rods (204) are fixedly inserted through the center of the two gears (203), and both ends of the synchronizing rods (204) are fixedly connected to the straightening rods (205). When the drive rod (201) rotates, it drives the two racks (202) to move towards or away from each other, and then rotates synchronously through the gear (203) and the synchronizing rod (204) to simultaneously contact the tires on both sides of the vehicle.

3. The vehicle rapid positioning fixture according to claim 2, characterized in that: The corrective rods (205) are all T-shaped; The support platform (1) is provided with a T-slot (4) that is compatible with the straightening rod (205) so that the straightening rod (205) can rotate from the bottom to the top of the support platform (1) to position the vehicle tire.

4. The vehicle rapid positioning fixture according to claim 2 or 3, characterized in that, The first positioning component (2) further includes: The guide frame (206) is fixed to the bottom of the support platform (1); The rack (202) is slidably disposed within the guide frame (206), the gear (203) is rotatably disposed within the guide frame (206), and the drive rod (201) rotatably passes through the guide frame (206).

5. The vehicle rapid positioning fixture according to claim 1, characterized in that, The second positioning component (3) includes: A set of symmetrical correction plates (302) are used to resist the side of the vehicle, and each correction plate (302) has a movable block (303) fixedly connected to its bottom. The control lever (301) has a set of opposite threads at both ends, the control lever (301) passes through two moving blocks (303), and the control lever (301) is threadedly connected to the moving blocks (303); When the control lever (301) rotates, it drives the two moving blocks (303) to move towards or away from each other, thereby causing the two straightening plates (302) to move closer or further away from each other to perform lateral positioning of the vehicle.

6. The vehicle rapid positioning fixture according to claim 5, characterized in that: The support platform (1) has two oppositely arranged through slots (5), and the two movable blocks (303) can respectively pass through the through slots (5). At least one guide block (304) is fixed to the bottom of each of the correction plates (302), and a guide groove (6) is constructed on the bearing platform (1) to cooperate with the guide block (304) in order to guide the correction plate (302) to move smoothly.

7. The vehicle rapid positioning fixture according to claim 1, characterized in that, Also includes: The first drive unit (7) is located at the bottom of the support platform (1), and its output end is connected to the drive rod (201) of the first positioning component (2) for driving the drive rod (201) to rotate. The second drive unit (8) is located at the bottom of the support platform (1), and its output end is connected to the control rod (301) of the second positioning component (3) for driving the control rod (301) to rotate.

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