WO2022193944A1 - 一种四轮定位检测设备 - Google Patents

一种四轮定位检测设备 Download PDF

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Publication number
WO2022193944A1
WO2022193944A1 PCT/CN2022/078688 CN2022078688W WO2022193944A1 WO 2022193944 A1 WO2022193944 A1 WO 2022193944A1 CN 2022078688 W CN2022078688 W CN 2022078688W WO 2022193944 A1 WO2022193944 A1 WO 2022193944A1
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WO
WIPO (PCT)
Prior art keywords
gear
moving arm
wheel alignment
detection device
alignment detection
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Application number
PCT/CN2022/078688
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English (en)
French (fr)
Inventor
罗文荟
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深圳市道通科技股份有限公司
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Application filed by 深圳市道通科技股份有限公司 filed Critical 深圳市道通科技股份有限公司
Publication of WO2022193944A1 publication Critical patent/WO2022193944A1/zh

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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
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • G01B21/26—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment

Definitions

  • the application relates to the technical field of automobile detection, in particular to a four-wheel alignment detection device.
  • the four-wheel alignment detection equipment shoots the target installed on the vehicle wheel and images it on the display device.
  • the system calculates the position and inclination of the corresponding wheel according to the imaged pattern and the position of the pattern in the image, so as to determine whether the wheel needs to be adjusted and whether it needs to be adjusted. How to adjust.
  • the existing four-wheel alignment detection equipment designs the beam part as a slidable structure to adapt to more sizes of vehicles, but its sliding structure is difficult to control. Therefore, it is not possible to quickly and accurately position the wheel's target completely within the camera's field of view.
  • the embodiments of the present invention provide a four-wheel alignment detection device, which can quickly and accurately locate the wheels, improve the wheel alignment rate, and further improve the vehicle assembly efficiency.
  • An embodiment of the present invention provides a four-wheel alignment detection device, including: a base; a stand, one end of the stand is fixedly connected to the base and is vertically arranged relative to the base; a beam, the beam is perpendicular to the base
  • the vertical frame is arranged and connected with the vertical frame; a left moving arm and a right moving arm, the left moving arm and the right moving arm are respectively arranged at both ends of the beam and can be along the length direction of the beam Sliding; a control assembly, the control assembly is used to control the left moving arm and the right moving arm to slide toward or away from each other synchronously; a left camera group and a right camera group, the left camera group and the right camera group are respectively Installed at the ends of the left moving arm and the right moving arm facing away from the beam.
  • the left moving arm is provided with a left rack along the length direction
  • the right moving arm is provided with a right rack along the length direction
  • the control assembly includes a left gear structure, a right gear Structure and transmission belt, the left gear structure and the right gear structure are both arranged on the beam, the left gear structure includes a coaxially arranged first gear and a second gear, the second gear and the left gear
  • the rack is meshed;
  • the right gear structure includes a coaxially arranged third gear and a fourth gear, and a coaxially arranged fifth gear and a sixth gear, the fourth gear meshes with the fifth gear, and the The sixth gear meshes with the right rack;
  • the transmission belt meshes with the first gear and the third gear respectively.
  • the number of teeth of the first gear is smaller than the number of teeth of the second gear
  • the control assembly further includes an adjustment knob, and the adjustment knob is installed on the left gear structure and/or the on the shaft of the right gear structure.
  • the control assembly further includes a drive motor, and the output shaft of the drive motor is connected to the left gear structure and/or or on the shaft of the right gear structure.
  • the left moving arm and the right moving arm are symmetrically arranged with respect to the beam, the first gear and the third gear have the same number of teeth, and the fifth gear and the The gear ratio of the fourth gear is equal to the gear ratio of the sixth gear and the second gear, so that the linear speeds of the second gear and the sixth gear are the same.
  • the beam includes a connecting seat slidably connected to the vertical frame and a sleeve plate fixed on the connecting seat, the sleeve plate is arranged perpendicular to the vertical frame, and the sleeve Both ends of the plate are open and a accommodating cavity is provided therein, and at least one of the opposite ends of the left moving arm and the right moving arm is slidably accommodated in the accommodating cavity.
  • the left moving arm and the right moving arm are respectively provided with at least one chute extending in the length direction
  • the inner wall of the sleeve is connected with a guide pulley
  • the guide pulley can It is rotatably snapped into the chute.
  • the four-wheel alignment detection device further includes a tightening knob rotatably connected to the sleeve plate, the tightening knob includes a rotating part and a tightening part, and the tightening part penetrates through
  • the sleeve plate is arranged, one end is fixedly connected with the rotating part, and the other end extends into the accommodating cavity, so that the fastening part can press the left moving arm and/or the right moving arm fixed.
  • the stand is provided with at least one slide rail arranged along the height direction of the stand, the connecting seat is provided with a sliding member matched with the slide rail, the A screw rod is vertically arranged on the base, and the screw rod penetrates the connecting seat and is threadedly connected with the connecting seat.
  • a control module and a motor are also arranged on the base, and the control module is electrically connected with the motor.
  • the output shaft of the motor is connected with the screw rod for driving the screw rod to rotate, and the screw rod drives the connecting seat to move along the slide rail.
  • At least one of the left moving arm and the right moving arm is provided with a scale mark for identifying the sliding distance of the left moving arm or the right moving arm.
  • the four-wheel positioning detection device realizes that the left moving arm and the right moving arm slide synchronously toward or away from each other by setting the control assembly, so as to quickly locate the wheel target in the field of view of the left camera group and the right camera group, effectively Improve the efficiency of vehicle wheel alignment detection.
  • FIG. 1 is a schematic structural diagram from a perspective of a four-wheel alignment detection device provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an exploded structure of a beam part of a four-wheel alignment detection device provided by an embodiment of the present invention
  • Fig. 3 is the partial enlarged structural schematic diagram of Fig. 2 at A;
  • Fig. 4 is the partial enlarged structural schematic diagram of Fig. 2 at B;
  • FIG. 5 is a schematic diagram of a use state of a four-wheel alignment detection device provided by an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a beam, a left moving arm and a right moving arm in a four-wheel alignment detection device provided by an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a beam, a left moving arm and a right moving arm after the sleeve plate is exploded in the four-wheel alignment detection device provided by the embodiment of the present invention
  • FIG. 8 is a schematic side structure diagram of a sleeve plate and a left moving arm in a four-wheel alignment detection device provided by an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of another perspective of a four-wheel alignment detection device provided by an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of another perspective of the four-wheel alignment detection device provided by the embodiment of the present invention.
  • Four-wheel alignment detection device 100 base 110, stand 120, slide rail 121, beam 130, connecting seat 131, sleeve plate 132, sliding member 133, left moving arm 140, left rack 141, right moving arm 150, right tooth bar 151, left gear structure 160, first gear 161, second gear 162, right gear structure 170, third gear 171, fourth gear 172, fifth gear 173, sixth gear 174, drive belt 180, left camera group 190 , right camera group 200, adjusting knob 210, chute 220, guide pulley 230, tightening knob 240, rotating part 241, tightening part 242, screw 250, motor 260, controller 270, circuit board 280, switch 290, moving Wheel 300 , positioning knob 310 , pressing part 311 , connecting shaft 312 , and screwing part 313 .
  • An embodiment of the present invention provides a four-wheel alignment detection device 100. Please refer to FIG. 1, which shows the overall structure of the four-wheel alignment detection device 100 according to an embodiment of the present invention.
  • the four-wheel alignment detection device 100 includes: a base 110, a stand 120, a beam 130, a left moving arm 140, a right moving arm 150, a control assembly, a left camera group 190 and a right camera group 200.
  • One end of the stand 120 is fixedly connected to the base 110 and set upright relative to the base 110;
  • the beam 130 is perpendicular to the vertical frame 120 and is connected with the vertical frame 120;
  • the left moving arm 140 and the right moving arm 150 are respectively arranged on both ends of the beam 130 and can be along the length direction of the beam 130 Sliding;
  • the control assembly is used to control the left moving arm 140 and the right moving arm 150 to slide toward or back synchronously;
  • the four-wheel alignment detection device 100 realizes that the left moving arm 140 and the right moving arm 150 slide toward each other synchronously or oppositely by setting the control assembly, so as to quickly locate the wheel target on the left camera group 190 and the right camera group 200 In the field of view, it can effectively improve the efficiency of vehicle wheel alignment detection.
  • FIGS. 2 to 4 illustrate the connection structure among the control assembly, the beam 130 , the left moving arm 140 and the right moving arm 150 in the four-wheel alignment detection apparatus 100 according to an embodiment of the present invention.
  • the left moving arm 140 may be provided with a left rack 141 along the length direction
  • the right moving arm 150 may be provided with a right rack 151 along the length
  • the control assembly may include a left gear structure 160, a right gear structure 170 and the transmission belt 180
  • the left gear structure 160 and the right gear structure 170 are all disposed on the beam 130
  • the left gear structure 160 includes a coaxially arranged first gear 161 and a second gear 162
  • the second gear 162 meshes with the left rack 141
  • the right gear structure 170 includes a coaxially arranged third gear 171 and a fourth gear 172, and a coaxially arranged fifth gear 173 and a sixth gear 174
  • the fourth gear 172 meshes with the fifth gear 173, and the sixth gear 174 It meshes
  • the second gear 162 and the left rack 141 can be directly meshed, or indirectly meshed through one or more intermediate gears, and the fourth gear 172 and the fifth gear 173 can be directly meshed, or through One or more intermediate gears are indirectly meshed, and the sixth gear 174 can be directly meshed with the right rack 151, or it can be indirectly meshed through multiple intermediate gears, as long as the synchronization between the left moving arm 140 and the right moving arm 150 is ensured. Or swipe back.
  • the cross beam 130 is provided with a left gear structure 160 and a right gear meshed with the left rack 141 and the right rack 151, respectively.
  • the gear structure 170 and then by connecting the transmission belt 180 between the left gear structure 160 and the right gear structure 170, the left moving arm 140 and the right moving arm 150 can be synchronously sliding toward each other or back, and the left moving arm 140 and the right moving arm can be accurately controlled at the same time.
  • the sliding distance of the arm 150 can quickly and accurately locate the targets of the wheels on both sides of the vehicle in the field of view of the left camera group 190 and the right camera group 200 respectively, which improves the positioning rate of the wheels and improves the vehicle assembly efficiency.
  • the outer parts of the left gear structure 160 and the right gear structure 170 may be provided with fixed casings, and the fixed casings are arranged on the beam 130 .
  • the gears in the left gear structure 160 and the right gear structure 170 The rotating shaft is rotatably connected to the fixed casing, and the fixed casing is provided with an opening for the transmission belt 180 to pass through.
  • the transmission belt 180 can be a belt with a rack on the inner ring.
  • the left gear structure 160 and the right gear structure 170 may also be provided with bearings at both ends of the rotating shaft. By fixing the bearings to the beam 130, the left gear structure 160 and the right gear structure The gears in the gear structure 170 are fixed, and the transmission belt 180 can also be a chain.
  • the number of teeth of the first gear 161 may be smaller than the number of teeth of the second gear 162
  • the control assembly may further include an adjustment knob 210
  • the adjustment knob 210 may be installed on the first gear 161 , the third gear 171 or the fifth gear 173 on any one or more of the rotating shafts.
  • the adjustment knob 210 can be separately arranged on the left moving arm 140 and the right moving arm 150, and a synchronous transmission mechanism can be set between the adjustment knobs 210 which are respectively arranged as the moving arm and the right moving arm, so that after rotating one of the adjustment knobs 210, The other adjusting knob 210 is driven to rotate synchronously, so as to realize the synchronous sliding of adjusting the left moving arm 140 and the right moving arm 150, or the adjusting knob 210 can be arranged on the beam, which is coupled and connected with the left moving arm 140 and the right moving arm 150 respectively. The user can adjust the synchronous sliding of the left moving arm 140 and the right moving part 150 by rotating the adjusting knob 210 on the beam.
  • the adjusting knob 210 is disposed through the fixed housings of the left gear structure 160 and the right gear structure 170 , and one end is connected with the rotating shaft of the internal gear, and the other end is used for hand screwing.
  • the number of teeth of the first gear 161 may also be greater than the number of teeth of the second gear 162, so that the linear velocity of the second gear 162 is smaller than the linear velocity of the first gear 161, and the adjustment knob 210 is arranged on the first gear 161, Any one or more of the third gear 171 or the fifth gear 173 can be used for fine adjustment of the left moving arm 140 and the right moving arm 150 .
  • the number of teeth of the first gear 161 may be greater than the number of teeth of the second gear 162
  • the control assembly may further include a drive motor, and the output shaft of the drive motor may be connected to the rotating shaft of the first gear 161 or the rotating shaft of the third gear 171 .
  • the drive motor drives at least one of the first gear 161 or the third gear 171 to rotate through its output shaft, thereby driving the left moving arm 140 and the right moving arm 150 to slide synchronously.
  • There is a controller electrically connected with the drive motor and the controller is used to control the drive motor to work. It can be understood that, in other embodiments, the output shaft of the driving motor may also be directly connected with at least one of the first gear 161 or the third gear 171 .
  • the output shaft of the drive motor can decelerate the left moving arm 140 or the right moving arm 150 , so as to prevent the drive motor from driving the left moving arm 140 or the right moving arm 150 .
  • the adjustment is inconvenient.
  • the controller may directly control the drive motor, and the controller may include a circuit board, a control module, a display module and a switch module electrically connected to the circuit board, the switch module is used to control the on and off of the drive motor, and the control The module is used to control the rotation speed, rotation time, forward rotation and reverse rotation of the output shaft of the drive motor, and then control the sliding speed, sliding time, sliding distance, and opposite or backward sliding of the left moving arm 140 and the right moving arm 150. For displaying and feeding back information such as the sliding direction, sliding distance, sliding time, and sliding speed of the left moving arm 140 and the right moving arm 150 .
  • the controller can also act as an adapter to indirectly control the drive motor, and the controller can include a circuit board and a transceiver module (for example, a wireless transceiver module or a limited transceiver module) electrically connected to the circuit board.
  • a transceiver module for example, a wireless transceiver module or a limited transceiver module
  • the transceiver module is used for signal connection with an external input device or output device for signal reception or transmission
  • the signal conversion module is used for the signal received by the transceiver module (for example, it can be an image signal, an audio signal, a video signal etc.) into a controller identifiable signal (for example, it can be an electrical signal) to control the motor, or for converting the controller’s signal (for example, an electrical signal) into an external output device identifiable signal (for example, it can be an image signal, audio signal, video signal, etc.), so that the sliding direction, sliding distance, sliding time, sliding speed and other information of the left moving arm 140 and the right moving arm 150 are fed back to the external output device, so that the user can control the drive motor in a timely and accurate manner. adjust.
  • the left moving arm 140 and the right moving arm 150 may be symmetrically disposed relative to the beam 130 , the number of teeth of the first gear 161 and the third gear 171 may be the same, and the gear ratio of the fifth gear 173 and the fourth gear 172 may be equal to
  • the gear ratio of the sixth gear 174 and the second gear 162 is such that the linear speeds of the second gear 162 and the sixth gear 174 are the same.
  • the gear ratio of the fifth gear 173 to the fourth gear 172 is equal to the gear ratio of the sixth gear 174 to the second gear 162, so that the left moving arm 140 and the right
  • the distances of the moving arm 150 synchronously sliding are equal, so that the distance between the left camera group 190 and the right camera group 200 at both ends of the left moving arm 140 and the right moving arm 150 relative to the beam 130 after the left moving arm 140 and the right moving arm 150 are synchronously slid remains the same, ensuring that the wheels on both sides of the vehicle are aligned at the same time.
  • FIG. 5 shows the use state of the four-wheel alignment detection device 100 according to an embodiment of the present invention.
  • the center line of the cross member 130 can be aligned with the center line of the vehicle first, and then only the The wheel on one side is calibrated and positioned, and the moving arm on the other side slides along with it, naturally positioning the wheel on the other side within the field of view of the camera group.
  • the beam 130 includes a connecting seat 131 slidably connected with the stand 120 and a sleeve plate 132 fixed on the connecting seat 131 , the sleeve plate 132 is arranged perpendicular to the vertical stand 120 , and the sleeve plate 132 is open at both ends and is provided inside There is an accommodating cavity, and at least one of the opposite ends of the left moving arm 140 and the right moving arm 150 is slidably accommodated in the accommodating cavity.
  • At least one of the opposite ends of the left moving arm 140 and the right moving arm 150 is slidably accommodated in the accommodating cavity, so that the left moving arm 140 and the right moving arm 150 can slide relative to the sleeve plate 132 while the sleeve plate 132 is opposite to the left moving arm 132.
  • the moving arm 140 and the right moving arm 150 play the role of support and protection, and improve the stability of the sliding structure.
  • FIG. 7 shows the specific structures of the chute 220 and the guide pulley 230 in the four-wheel alignment detection device 100 according to an embodiment of the present invention.
  • the left moving arm 140 and the right moving arm 150 may be respectively provided with at least one chute 220 extending along the length direction, and a guide pulley 230 is connected to the inner wall of the sleeve plate 132 , and the guide pulley 230 is rotatably clamped to the ground. Connected to the chute 220.
  • the sliding friction force between the left moving arm 140, the right moving arm 150 and the sleeve plate 132 is reduced, thereby facilitating the smooth movement of the left moving arm 140 and the right moving arm 150.
  • Sliding also provides a guiding function for the sliding of the left moving arm 140 and the right moving arm 150 .
  • FIG. 8 shows the side view structure of the connection between the left moving arm 140 and the sleeve plate 132 in the four-wheel alignment detection device 100 according to an embodiment of the present invention.
  • the guide pulley 230 passes through the The rotating shaft of the end face is rotatably connected with the inner wall of the sleeve plate 132.
  • the side of the guide pulley 230 is provided with an annular groove. It is connected to the walls on both sides of the opening of the chute 220 to realize the cooperative sliding between the guide pulley 230 and the chute 220 .
  • the guide pulley 230 can also be completely clamped inside the chute 220 .
  • the four-wheel alignment detection device 100 may further include a tightening knob 240 rotatably connected to the sleeve plate 132 , and the tightening knob 240 may include a rotating part 241 and a tightening part 242, the fastening part 242 is disposed through the sleeve plate 132, one end is fixedly connected with the rotating part 241, and the other end extends into the accommodating cavity, so that the fastening part 242 can perform at least one of the left moving arm 140 and the right moving arm 150. Pressure to fix.
  • one end of the fastening portion 242 for pressing and fixing can be sleeved or bonded with a soft adhesive layer to prevent the surface of the left moving arm 140 or the right moving arm 150 from being scratched by the fastening portion 242 .
  • the stand 120 may be provided with at least one slide rail 121 disposed along the height direction of the stand 120
  • the connecting seat 131 may be provided with a sliding member 133 that cooperates with the slide rail 121 , so that the beam 130 can slide along the slide rail 121 .
  • the rail 121 slides relative to the stand 120
  • the base 110 can be vertically provided with a screw 250
  • the screw 250 penetrates the connecting seat 131 and is threadedly connected with the connecting seat 131
  • the base 110 is further provided with a control module and a motor 260
  • the control module and the motor 260 is electrically connected
  • the output shaft of the motor 260 is connected with the screw 250 to drive the screw 250 to rotate
  • the screw 250 drives the connecting seat 131 to move along the slide rail 121 .
  • the screw 250 is driven by the motor 260, and the screw 250 drives the connecting base 131 to slide relative to the stand 120, thereby realizing the automatic lifting and lowering of the beam 130, saving manpower, and adjusting the height of the camera group to adapt to more sizes of vehicles, further improving the positioning efficiency.
  • the output shaft of the motor 260 can be directly coupled with the bottom end of the screw 250 for driving, or indirectly drive the screw 250 to rotate through gears to achieve the purpose of acceleration or deceleration.
  • the control module may include a controller 270 , a circuit board 280 and a switch 290 , the controller 270 , the motor 260 and the switch 290 are all electrically connected to the circuit board 280 , and the motor 260 is directly or indirectly connected to the screw 250 is connected, so that when the motor 260 works, the screw 250 is driven to rotate, and the screw 250 drives the connecting seat 131 to move along the slide rail 121 .
  • At least one of the left moving arm 140 and the right moving arm 150 is provided with a scale mark for identifying the sliding distance of the left moving arm 140 or the right moving arm 150 .
  • the user can quickly identify the sliding distance of the left moving arm 140 or the right moving arm 150, which is convenient for recording, thereby providing data reference for subsequent wheel alignment detection and saving subsequent operation time.
  • a moving wheel 300 may be provided at an end corner of the base 110 . This arrangement facilitates the overall movement of the four-wheel positioning detection device 100 , improves the stability of the moving wheels supporting the base, and facilitates rapid positioning detection.
  • the base 110 may further be provided with a positioning knob 310 .
  • the positioning knob 310 includes a pressing portion 311 , a connecting shaft 312 and a screwing portion 313 , and the connecting shaft 312 is vertically disposed through the base 110 .
  • the pressing part 311 is connected to one end of the connecting shaft 312 away from the stand 120
  • the screwing part 313 is connected to the other end of the connecting shaft 312 .
  • the base 110 can be placed on the ground.
  • the ground is uneven, the existence of the moving wheels 300 will cause the four-wheel alignment detection device 100 to slide. If the device accidentally slips, it may cause a risk of damage.
  • the setting of the positioning knob 310 makes the four-wheel alignment detection device 100 fixed. Specifically, after the four-wheel alignment detection device 100 is moved to the target area, the screwing part 313 is rotated by the hand, and the pressing part 311 is pressed down to the same level.
  • the ground or other plane on which the base is placed elastically contacts, so that static friction force is generated between the pressing part 311 and the ground or other plane, so as to achieve the fixation of the four-wheel alignment detection device 100 .
  • connection In the description of the embodiments of the present invention, unless otherwise expressly specified and limited, the technical terms such as “installation”, “connection”, “connection” and “fixing” should be understood in a broad sense, for example, it may be a fixed connection or a
  • the connection can be disassembled or integrated; it can also be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements.
  • connection can be disassembled or integrated; it can also be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements.
  • the first feature "on” or “under” the second feature may be in direct contact with the first and second features, or the first and second features Indirect contact through an intermediary.
  • the first feature is “above”, “above” and “over” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

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Abstract

一种四轮定位检测设备（100），包括：底座（110）；立架（120），一端固定连接在底座（110）上并且相对于底座（110）竖直设置；横梁（130），垂直于立架（120）设置并与立架（120）连接；左移动臂（140）和右移动臂（150），分别设置于横梁（130）的两端且可沿横梁（130）的长度方向滑动；控制组件（160,170,180），用于控制左移动臂（140）与右移动臂（150）同步相向或相背滑动；左相机组（190）和右相机组（200），分别安装在左移动臂（140）和右移动臂（150）背离横梁（130）的端部；通过设置控制组件（160,170,180），实现左移动臂（140）与右移动臂（150）同步相向或相背滑动，进而快速将车轮标靶定位在左相机组（190）和右相机组（200）的视场内，有效提升对车辆车轮定位检测的效率。

Description

一种四轮定位检测设备
本申请要求于2021年3月18日提交中国专利局、申请号为202110292897.X、申请名称为“一种四轮定位检测设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及汽车检测技术领域，具体涉及一种四轮定位检测设备。
背景技术
四轮定位检测设备拍摄车辆车轮上安装的标靶并在显示设备上成像，系统根据成像的图案及图案在图像中的位置计算出相应车轮的位置及倾角，从而判断出车轮是否需要调整以及需要如何调整。
随着汽车行业的快速发展，车辆之间的尺寸差异逐步增大，现有四轮定位检测设备将横梁部分设计为可滑动结构以适配更多尺寸的车型，但是其滑动结构较难控制，因此无法快速准确地将车轮的标靶完全定位在相机的视场内。
发明内容
鉴于上述问题，本发明实施例提供一种四轮定位检测设备，以能够快速准确地对车轮进行定位，提升车轮定位速率，进而提高车辆装配效率。
本发明实施例提供一种四轮定位检测设备，包括：底座；立架，所述立架的一端固定连接在所述底座上并且相对于所述底座竖直设置；横梁，所述横梁垂直于所述立架设置并与所述立架连接；左移动臂和右移动臂，所述左移动臂及所述右移动臂分别设置于所述横梁的两端且可沿所述横梁的长度方向滑动；控制组件，所述控制组件用于控制所述左移动臂与所述右移动臂同步相向或相背滑动；左相机组和右相机组，所述左相机组和所述右相机组分别安装在在所述左移动臂和所述右移动臂背离所述横梁的端部。
在一种可选的方式中，所述左移动臂上沿长度方向设有左齿条，所述右移动臂上沿长度方向设有右齿条；所述控制组件包括左齿轮结构、右齿轮结构及传动带，所述左齿轮结构和所述右齿轮结构均设置于所述横梁上，所述左齿轮结构包括同轴设置的第一齿轮及第二齿轮，所述第二齿轮与所述左齿条啮合；所述右齿轮结构包括同轴设置的第三齿轮和第四齿轮，以及同轴设置的第五齿轮及第六齿轮，所述第四齿轮与所述第五齿轮啮合，所述第六齿轮与所述右齿条啮合；所述传动带分别与所述第一齿轮及所述第三齿轮啮合。
在一种可选的方式中，所述第一齿轮的齿数小于所述第二齿轮的齿数，所述控制组件还包括调节旋钮，所述调节旋钮安装在所述左齿轮结构和/或所述右齿轮结构的轴上。
在一种可选的方式中，所述第一齿轮的齿数大于所述第二齿轮的齿数，所 述控制组件还包括驱动电机，所述驱动电机的输出轴连接在所述左齿轮结构和/或所述右齿轮结构的轴上。
在一种可选的方式中，所述左移动臂与所述右移动臂相对于所述横梁对称设置，所述第一齿轮与所述第三齿轮的齿数相同，所述第五齿轮与所述第四齿轮的齿数比等于所述第六齿轮与所述第二齿轮的齿数比，使得所述第二齿轮与所述第六齿轮的线速度相同。
在一种可选的方式中，所述横梁包括与所述立架滑动连接的连接座以及固定于所述连接座上的套板，所述套板垂直于所述立架设置，所述套板两端开口且内设有容置腔，所述左移动臂与所述右移动臂相向一端中的至少一个可滑动地收容于所述容置腔内。
在一种可选的方式中，所述左移动臂及所述右移动臂上分别设有至少一条沿长度方向延伸的滑槽，所述套板的内壁连接有导向滑轮，所述导向滑轮可转动地卡接在所述滑槽中。
在一种可选的方式中，所述四轮定位检测设备还包括转动连接在所述套板上的紧固旋钮，所述紧固旋钮包括旋转部和紧固部，所述紧固部贯穿所述套板设置，一端与所述旋转部固定连接，另一端伸入所述容置腔内，使得所述紧固部可对所述左移动臂和/或所述右移动臂进行施压固定。
在一种可选的方式中，所述立架上设有至少一条沿所述立架高度方向设置的滑轨，所述连接座上设有与所述滑轨相配合的滑动件，所述底座上竖直设置有螺杆，所述螺杆贯穿所述连接座并且与所述连接座螺纹连接，所述底座上还设有控制模块及电机，所述控制模块与所述电机电连接，所述电机的输出轴与所述螺杆连接，用于驱动所述螺杆转动，所述螺杆带动所述连接座沿所述滑轨移动。
在一种可选的方式中，所述左移动臂和所述右移动臂中至少一个上设有刻度标识，用于识别所述左移动臂或所述右移动臂的滑动距离。
本发明实施例的四轮定位检测设备通过设置控制组件实现左移动臂与右移动臂同步相向或相背滑动，进而快速将车轮标靶定位在左相机组及右相机组的视场内，有效提升对车辆车轮定位检测的效率。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其它目的、特征和优点能够更明显易懂，以下特举本发明的具体实施方式。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本发明的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1为本发明实施例提供的四轮定位检测设备的一视角的结构示意图；
图2为本发明实施例提供的四轮定位检测设备的横梁部分爆炸结构示意图；
图3为图2在A处的局部放大结构示意图；
图4为图2在B处的局部放大结构示意图；
图5为本发明实施例提供的四轮定位检测设备的使用状态示意图；
图6为本发明实施例提供的四轮定位检测设备中横梁、左移动臂及右移动臂的结构示意图；
图7为本发明实施例提供的四轮定位检测设备中套板爆炸后的横梁、左移动臂及右移动臂的结构示意图；
图8为本发明实施例提供的四轮定位检测设备中套板和左移动臂的侧面结构示意图；
图9为本发明实施例提供的四轮定位检测设备的另一视角的结构示意图；
图10为本发明实施例提供的四轮定位检测设备的又一视角的结构示意图。
具体实施方式中的附图标号如下：
四轮定位检测设备100，底座110，立架120，滑轨121，横梁130，连接座131，套板132，滑动件133，左移动臂140，左齿条141，右移动臂150，右齿条151，左齿轮结构160，第一齿轮161，第二齿轮162，右齿轮结构170，第三齿轮171，第四齿轮172，第五齿轮173，第六齿轮174，传动带180，左相机组190，右相机组200，调节旋钮210，滑槽220，导向滑轮230，紧固旋钮240，旋转部241，紧固部242，螺杆250，电机260，控制器270，电路板280，开关290，移动轮300，定位旋钮310，加压部311，连接轴312，旋拧部313。
具体实施方式
下面将结合附图对本发明技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本发明的技术方案，因此只作为示例，而不能以此来限制本发明的保护范围。
本发明实施例提供一种四轮定位检测设备100，请参阅图1，图中示出了本发明一实施例的四轮定位检测设备100的整体结构。四轮定位检测设备100包括：底座110、立架120、横梁130、左移动臂140、右移动臂150、控制组件、左相机组190及右相机组200，立架120的一端固定连接在底座110上并且相对于底座110竖立设置；横梁130垂直于立架120设置并与立架120连接；左移动臂140及右移动臂150分别设置于横梁130的两端且可沿横梁130的长度方向滑动；控制组件用于控制左移动臂140与右移动臂150同步相向或向背滑动；左相机组190和右相机组200分别安装在左移动臂140和右移动臂150背离横梁130的端部。
本发明实施例的四轮定位检测设备100通过设置控制组件实现左移动臂 140与右移动臂150同步相向或相背滑动，进而快速将车轮标靶定位在左相机组190及右相机组200的视场内，有效提升对车辆车轮定位检测的效率。
请参阅图2至图4，图中示出了本发明一实施例的四轮定位检测设备100中控制组件、横梁130、左移动臂140及右移动臂150之间的连接结构。在一些实施例中，左移动臂140上可以沿长度方向设有左齿条141，右移动臂150上可以沿长度方向设有右齿条151，控制组件可以包括左齿轮结构160、右齿轮结构170及传动带180，左齿轮结构160和右齿轮结构170均设置于横梁130上，左齿轮结构160包括同轴设置的第一齿轮161和第二齿轮162，第二齿轮162与左齿条141啮合；右齿轮结构170包括同轴设置的第三齿轮171和第四齿轮172，以及同轴设置的第五齿轮173和第六齿轮174，第四齿轮172与第五齿轮173啮合，第六齿轮174与右齿条151啮合；传动带180分别与第一齿轮161及第三齿轮171啮合。
需要说明的是，第二齿轮162与左齿条141之间可以直接啮合，也可以通过一个或多个中间齿轮间接啮合，第四齿轮172与第五齿轮173之间可以直接啮合，也可以通过一个或多个中间齿轮间接啮合，第六齿轮174与右齿条151之间可以直接啮合，也可以通过多个中间齿轮间接啮合，只要保证左移动臂140与右移动臂150之间的同步相向或向背滑动即可。
通过在左移动臂140和右移动臂150上分别设置左齿条141和右齿条151，在横梁130上设置与分别与左齿条141和右齿条151相啮合的左齿轮结构160和右齿轮结构170，再通过在左齿轮结构160与右齿轮结构170之间连接传动带180，实现左移动臂140与右移动臂150的同步相向或向背滑动，可同时准确控制左移动臂140与右移动臂150的滑动距离，从而将车辆两侧车轮的标靶同时快速且准确地分别定位于左相机组190和右相机组200的视场内，提升车轮的定位速率，进而提高车辆装配效率。
在图2所示的具体实施例中，左齿轮结构160及右齿轮结构170的外部均可以设有固定壳，固定壳设于横梁130上，左齿轮结构160及右齿轮结构170中的各齿轮通过转轴可转动地连接于固定壳，固定壳上开设有供传动带180穿过的开口，传动带180可以采用内圈上设有齿条的皮带。
可以理解，图中所示仅为范例，在其他实施例中，左齿轮结构160与右齿轮结构170也可以在转轴两端设置轴承，通过将轴承固定于横梁130以将左齿轮结构160及右齿轮结构170中的各齿轮固定，传动带180也可以采用链条。
请再次参阅图2至图4，在一些实施例中，第一齿轮161的齿数可以小于所述第二齿轮162的齿数，控制组件还可以包括调节旋钮210，调节旋钮210可以安装在第一齿轮161、第三齿轮171或第五齿轮173中任意一个或几个的转轴上。
将第一齿轮161的齿数设置为小于第二齿轮162的齿数，使得第二齿轮162的线速度大于第一齿轮161的线速度，以实现快速调节，将调节旋钮210设置于第一齿轮161、第三齿轮171或第五齿轮173中任意一个或几个上，使 用者通过手部轻微旋转调节旋钮210，便可以调节左移动臂140及右移动臂150的同步滑动。调节旋钮210可分设与左移动臂140和右移动臂150上，分设于做移动臂和右移动臂的调节旋钮210之间可以设置同步传动机构，便于使用者在旋转其中一个调节旋钮210后，带动另一个调节旋钮210同步转动，进而实现调节左移动臂140和右移动臂150的同步滑动，或者调节旋钮210可以设置于横梁，其与左移动臂140和右移动臂150分别耦合连接，使用者通过转动横梁上的调节旋钮210，实现调节左移动臂140和右移动部150的同步滑动。
在图2所示的具体实施例中，调节旋钮210贯穿左齿轮结构160及右齿轮结构170的固定壳设置，且一端与内部齿轮的转轴配合连接，另一端用于手部旋拧。
在一些实施例中，第一齿轮161的齿数也可以大于第二齿轮162的齿数，使得第二齿轮162的线速度小于第一齿轮161的线速度，将调节旋钮210设置于第一齿轮161、第三齿轮171或第五齿轮173中任意一个或几个上，以实现对左移动臂140及右移动臂150的微调。
在一些实施例中，第一齿轮161的齿数可以大于第二齿轮162的齿数，控制组件还可以包括驱动电机，驱动电机的输出轴可以与第一齿轮161所在转轴或第三齿轮171所在转轴中的至少一个连接，驱动电机通过其输出轴驱动第一齿轮161或第三齿轮171中的至少一个转动，进而带动左移动臂140和右移动臂150同步滑动，四轮定位检测设备100上还设有与驱动电机电连接的控制器，控制器用于控制驱动电机工作。可以理解，在另外的实施例中，驱动电机的输出轴也可以直接与第一齿轮161或第三齿轮171中至少一个连接。
通过将第一齿轮161的齿数设置为大于第二齿轮162的齿数，以实现驱动电机输出轴对左移动臂140或右移动臂150驱动时的减速，避免驱动电机驱动左移动臂140或右移动臂150滑动时速度过快造成调节不便的情况。
在具体的实施例中，控制器可以直接控制驱动电机，控制器可以包括电路板以及与电路板电连接的控制模块、显示模块及开关模块，开关模块用于控制驱动电机的开启和关闭，控制模块用于控制驱动电机输出轴的转动速度、转动时间、正转及反转，进而控制左移动臂140和右移动臂150滑动速度、滑动时间、滑动距离以及相向滑动或向背滑动，显示模块用于显示反馈左移动臂140及右移动臂150的滑动方向、滑动距离、滑动时间、滑动速度等信息。
可以理解，在其他具体的实施例中，控制器也可以作为转接器间接控制驱动电机，控制器可以包括电路板以及与电路板电连接的收发模块(例如可以为无线收发模块或有限收发模块)、信号转换模块，收发模块用于与外部输入设备或输出设备信号连接以进行信号的接收或发送，信号转换模块用于将收发模块接收的信号(例如可以是图像信号、音频信号、视频信号等)转换成控制器可识别信号(例如可以是电信号)进而控制电机，或者用于将控制器的信号(例如可以是电信号)转换成外部输出设备可识别信号(例如可以是图像信号、音频信号、视频信号等)，从而将左移动臂140及右移动臂150的滑动方向、滑 动距离、滑动时间、滑动速度等信息反馈至外部输出设备，便于使用者及时准确地对驱动电机进行控制调节。
在一些实施例中，左移动臂140与右移动臂150可以相对于横梁130对称设置，第一齿轮161与第三齿轮171的齿数可以相同，第五齿轮173与第四齿轮172的齿数比等于第六齿轮174与第二齿轮162的齿数比，使得第二齿轮162与第六齿轮174的线速度相同。
通过将第一齿轮161与第三齿轮171的齿数设置为相同，第五齿轮173与第四齿轮172的齿数比等于第六齿轮174与第二齿轮162的齿数比，使得左移动臂140和右移动臂150同步滑动的距离相等，进而使左移动臂140和右移动臂150两端的左相机组190及右相机组200在左移动臂140及右移动臂150同步滑动后相对于横梁130的距离仍相同，从而保证同时对车辆两侧的车轮进行校准定位。
请参阅图5，图中示出了本发明一实施例的四轮定位检测设备100的使用状态，在具体使用过程中，可以先将横梁130的中线与车辆的中线对准，然后只需对一侧的车轮进行校准定位，另一侧的移动臂会随之滑动，自然而然会将另一侧的车轮定位于相机组的视场内。
请参阅图6，图中示出了本发明一实施例的四轮定位检测设备100中横梁130与移动臂的连接结构。在一些实施例中，横梁130包括与立架120滑动连接的连接座131以及固定于连接座131上的套板132，套板132垂直于立架120设置，套板132两端开口且内设有容置腔，左移动臂140与右移动臂150相向一端中至少一个可滑动地收容于容置腔内。
通过将左移动臂140与右移动臂150相向一端中至少一个可滑动地收容于容置腔内，实现左移动臂140与右移动臂150可相对套板132滑动的同时，套板132对左移动臂140及右移动臂150起到支撑及保护的作用，提高滑动结构的稳定性。
请参阅图7，图中示出了本发明一实施例的四轮定位检测设备100中滑槽220及导向滑轮230的具体结构。在一些实施例中，左移动臂140及右移动臂150上可以分别设有至少一条沿长度方向延伸的滑槽220，套板132的内壁上连接有导向滑轮230，导向滑轮230可转动地卡接在滑槽220中。
通过导向滑轮230与滑槽220的配合连接，一方面减小了左移动臂140、右移动臂150与套板132之间的滑动摩擦力，从而便于左移动臂140及右移动臂150的顺畅滑动，另一方面还为左移动臂140及右移动臂150的滑动提供导向作用。
请参阅图8，图中本发明一实施例的四轮定位检测设备100中左移动臂140与套板132连接的侧视结构，在图中所示的具体实施例中，导向滑轮230通过其端面的转轴与套板132的内壁可转动地连接一起，导向滑轮230的侧面设有环形凹槽，滑槽220的截面呈开口小于内部空间的T型设置，导向滑轮230侧面的环形凹槽卡接在滑槽220开口两侧的壁上，以实现导向滑轮230与滑槽 220之间的配合滑动。
可以理解，在其他实施例中，导向滑轮230也可以完全卡接在滑槽220内部。
请再次参阅图1及图2，在一些实施例中，四轮定位检测设备100还可以包括转动连接在套板132上的紧固旋钮240，紧固旋钮240可以包括旋转部241和紧固部242，紧固部242贯穿套板132设置，一端与旋转部241固定连接，另一端伸入容置腔内，使得紧固部242可对左移动臂140、右移动臂150中的至少一个进行施压固定。
具体使用时，当两侧的车轮标靶完全进入相机的视场内后，旋转紧固旋钮240，以对左移动臂140及右移动臂150进行施压固定，避免左移动臂140及右移动臂150出现误滑造成定位失败或定位不准的情况。
在具体的实施例中，紧固部242用于施压固定的一端可以套接或粘接软胶层，以防紧固部242对左移动臂140或右移动臂150的表面造成划伤。
请参阅图9及图10，图中示出了本发明一实施例的四轮定位检测设备100中立架120与横梁130的连接及驱动结构。在一些实施例中，立架120上可以设有至少一条沿立架120高度方向设置的滑轨121，连接座131上可以设有与滑轨121配合的滑动件133，使得横梁130可沿滑轨121相对于立架120滑动，底座110上可以竖直设有螺杆250，螺杆250贯穿连接座131并且与连接座131螺纹连接，底座110上还设有控制模块及电机260，控制模块与电机260电连接，电机260的输出轴与螺杆250配合连接，用于驱动螺杆250转动，螺杆250带动连接座131沿滑轨121移动。
通过电机260驱动螺杆250，螺杆250带动连接座131相对于立架120滑动，实现横梁130的自动升降，节省人力，调节相机组的高度以适配更多尺寸的车型，进一步提升定位的效率。
需要说明的是，电机260的输出轴可以直接与螺杆250的底端配合连接进行驱动，也可以通过齿轮间接驱动螺杆250转动，以达到加速或减速的目的。
在图10所示的具体实施例中，控制模块可以包括控制器270、电路板280及开关290，控制器270、电机260及开关290均与电路板280电连接，电机260直接或间接与螺杆250连接，使得电机260工作时驱动螺杆250转动，螺杆250带动连接座131沿滑轨121移动。
在一些实施例中，左移动臂140和右移动臂150中至少一个上设有刻度标识，用于识别左移动臂140或右移动臂150的滑动距离。
通过设置刻度标识，使用者可以快速识别左移动臂140或右移动臂150的滑动距离，方便记录，从而为后续的车轮定位检测提供数据参考，以节省后续作业时间。
请再次参阅图1，在一些实施例中，底座110的端角处可以设有移动轮300。这样设置便于四轮定位检测设备100整体的移动，提升移动轮对底座支撑的稳定性，有利于快速进行定位检测。
请再次参阅图1，在一些实施例中，底座110上还可以设有定位旋钮310，定位旋钮310包括加压部311、连接轴312及旋拧部313，连接轴312竖直贯穿底座110设置，加压部311连接于连接轴312背离立架120的一端，旋拧部313连接于连接轴312的另一端。
在具体使用中，底座110可以置于地面上，当地面地势不平时，由于移动轮300的存在会导致四轮定位检测设备100发生滑动，如果设备不慎滑倒还可能造成损坏的风险，而定位旋钮310的设置使四轮定位检测设备100固定不动，具体地，将四轮定位检测设备100移动至目标区域后，通过手部旋转旋拧部313，将加压部311下压至与地面或放置底座的其他平面弹性接触，使加压部311与地面或其它平面之间产生静摩擦力，以达到对四轮定位检测设备100的固定。
需要注意的是，除非另有说明，本发明实施例使用的技术术语或者科学术语应当为本发明实施例所属领域技术人员所理解的通常意义。
在本发明实施例的描述中，技术术语“中心”“纵向”“横向”“长度”“宽度”“厚度”“上”“下”“前”“后”“左”“右”“竖直”“水平”“顶”“底”“内”“外”“顺时针”“逆时针”“轴向”“径向”“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明实施例的限制。
此外，技术术语“第一”“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。在本发明实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本发明实施例的描述中，除非另有明确的规定和限定，技术术语“安装”“相连”“连接”“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；也可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明实施例中的具体含义。
在本发明实施例的描述中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相 应技术方案的本质脱离本发明各实施例技术方案的范围，其均应涵盖在本发明的权利要求和说明书的范围当中。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (10)

  1. 一种四轮定位检测设备，其特征在于，包括：
    底座；
    立架，所述立架的一端固定连接在所述底座上并且相对于所述底座竖直设置；
    横梁，所述横梁垂直于所述立架设置并与所述立架连接；
    左移动臂和右移动臂，所述左移动臂及所述右移动臂分别设置于所述横梁的两端且可沿所述横梁的长度方向滑动；
    控制组件，所述控制组件用于控制所述左移动臂与所述右移动臂同步相向或相背滑动；
    左相机组和右相机组，所述左相机组和所述右相机组分别安装在在所述左移动臂和所述右移动臂背离所述横梁的端部。
  2. 根据权利要求1所述的四轮定位检测设备，其特征在于，
    所述左移动臂上沿长度方向设有左齿条，所述右移动臂上沿长度方向设有右齿条；
    所述控制组件包括左齿轮结构、右齿轮结构及传动带，所述左齿轮结构和所述右齿轮结构均设置于所述横梁，所述左齿轮结构包括同轴设置的第一齿轮及第二齿轮，所述第二齿轮与所述左齿条啮合；所述右齿轮结构包括同轴设置的第三齿轮和第四齿轮，以及同轴设置的第五齿轮及第六齿轮，所述第四齿轮与所述第五齿轮啮合，所述第六齿轮与所述右齿条啮合；所述传动带分别与所述第一齿轮及所述第三齿轮啮合。
  3. 根据权利要求2所述的四轮定位检测设备，其特征在于，所述第一齿轮的齿数小于所述第二齿轮的齿数，所述控制组件还包括调节旋钮，所述调节旋钮安装在所述左齿轮结构和/或所述右齿轮结构的轴上。
  4. 根据权利要求2所述的四轮定位检测设备，其特征在于，所述第一齿轮的齿数大于所述第二齿轮的齿数，所述控制组件还包括驱动电机，所述驱动电机的输出轴连接在所述左齿轮结构和/或所述右齿轮结构的轴上。
  5. 根据权利要求2所述的四轮定位检测设备，其特征在于，所述左移动臂与所述右移动臂相对于所述横梁对称设置，所述第一齿轮与所述第三齿轮的齿数相同，所述第五齿轮与所述第四齿轮的齿数比等于所述第六齿轮与所述第二齿轮的齿数比，使得所述第二齿轮与所述第六齿轮的线速度相同。
  6. 根据权利要求1所述的四轮定位检测设备，其特征在于，所述横梁包括与所述立架滑动连接的连接座以及固定于所述连接座上的套板，所述套板垂直于所述立架设置，所述套板两端开口且内设有容置腔，所述左移动臂与所述右移动臂相向一端中的至少一个可滑动地收容于所述容置腔内。
  7. 根据权利要求6所述的四轮定位检测设备，其特征在于，所述左移动臂及所述右移动臂上分别设有至少一条沿长度方向延伸的滑槽，所述套板的内 壁连接有导向滑轮，所述导向滑轮可转动地卡接在所述滑槽中。
  8. 根据权利要求6所述的四轮定位检测设备，其特征在于，所述四轮定位检测设备还包括转动连接在所述套板上的紧固旋钮，所述紧固旋钮包括旋转部和紧固部，所述紧固部贯穿所述套板设置，一端与所述旋转部固定连接，另一端伸入所述容置腔内，使得所述紧固部可对所述左移动臂和/或所述右移动臂进行施压固定。
  9. 根据权利要求6所述的四轮定位检测设备，其特征在于，所述立架上设有至少一条沿所述立架高度方向设置的滑轨，所述连接座上设有与所述滑轨相配合的滑动件，所述底座上竖直设置有螺杆，所述螺杆贯穿所述连接座并且与所述连接座螺纹连接，所述底座上还设有控制模块及电机，所述控制模块与所述电机电连接，所述电机的输出轴与所述螺杆连接，用于驱动所述螺杆转动，所述螺杆带动所述连接座沿所述滑轨移动。
  10. 根据权利要求1-9中任一项所述的四轮定位检测设备，其特征在于，所述左移动臂和所述右移动臂中至少一个上设有刻度标识，用于识别所述左移动臂或所述右移动臂的滑动距离。
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