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CN-224230964-U - Non-contact type wheel positioning parameter measuring device

CN224230964UCN 224230964 UCN224230964 UCN 224230964UCN-224230964-U

Abstract

The utility model discloses a non-contact wheel positioning parameter measuring device, which relates to the technical field of four-wheel positioning and comprises a movable frame with a T-shaped structure, wherein the end part of the vertical end of the movable frame is rotatably connected with a bracket rod, the side surface of the bracket rod is fixedly provided with a measuring instrument, the transverse end of the movable frame is provided with a positioning device for extruding wheels, the positioning device comprises clamping assemblies arranged at the two ends of the transverse end of the movable frame, the clamping assemblies comprise L-shaped rods for extruding the peripheral side of a tire, the transverse end of the movable frame is provided with an extrusion assembly, and the side surface of the movable frame is provided with a lifting device for lifting the height of an automobile to suspend the wheels. According to the non-contact wheel positioning parameter measuring device, the lifting device is arranged beside the movable frame and can drive one corner of the automobile to rise, so that suspension of the wheel to be detected is realized, and the influence of hub deformation on detection precision caused by gravity extrusion is avoided.

Inventors

  • FU KANG
  • JIANG LINGFENG

Assignees

  • 烟台景利汽车检测设备有限公司

Dates

Publication Date
20260512
Application Date
20250722

Claims (6)

  1. 1. The non-contact wheel positioning parameter measuring device is characterized by comprising a movable frame (1) with a T-shaped structure; The end part of the vertical end of the movable frame (1) is rotatably connected with a bracket rod (3), and a measuring instrument (32) is fixedly arranged on the side surface of the bracket rod (3); A positioning device (2) for extruding the wheels is arranged at the transverse end of the movable frame (1); The positioning device (2) comprises clamping assemblies (22) arranged at two ends of the transverse end of the movable frame (1), and the clamping assemblies (22) comprise L-shaped rods for extruding the peripheral side of the tire; An extrusion assembly (21) is slidably arranged at the transverse end of the movable frame (1) and positioned between the two L-shaped rods; The side of the movable frame (1) is provided with a lifting device (6), and the lifting device (6) is used for lifting the automobile to enable wheels to be suspended.
  2. 2. The non-contact wheel alignment parameter measurement device according to claim 1, wherein an angle adjustment device (5) is arranged between the side surface of the support rod (3) and the movable frame (1), the angle adjustment device (5) comprises a support rod (51), the upper surface of the movable frame (1) is slidably connected with a T-shaped block (52), and two ends of the support rod (51) are respectively and rotatably connected with the support rod (3) and the T-shaped block (52).
  3. 3. The non-contact wheel alignment parameter measuring device according to claim 2, wherein a T-shaped groove matched with the T-shaped block (52) is formed in the upper surface of the movable frame (1), a screw rod (53) is rotatably connected to the end portion of the vertical end of the movable frame (1), the end portion of the screw rod (53) extends into the T-shaped groove and penetrates through the T-shaped block (52), and the end portion of the screw rod (53) is in threaded connection with the T-shaped block (52).
  4. 4. The non-contact wheel alignment parameter measuring device according to claim 1, wherein the inner side of the L-shaped rod is fixedly connected with an inserting rod (221), the extrusion assembly (21) comprises an extrusion rod, two ends of the transverse end of the movable frame (1) are provided with second slots (12) matched with the inserting rod (221), and the middle part of the transverse end of the movable frame (1) is provided with a first slot (11) matched with the extrusion rod.
  5. 5. The non-contact wheel alignment parameter measuring device according to claim 4, wherein a strip-shaped groove (211) is formed in the upper surface of one end of the extrusion rod, which is located in the first slot (11), a rack (212) is fixedly connected to the inner wall of the side face of the strip-shaped groove (211), a gear (24) meshed with the rack (212) is rotatably connected to the strip-shaped groove (211), a knob (23) is rotatably connected to the upper surface of the movable frame (1), and the end portion of the knob (23) extends into the strip-shaped groove (211) and is fixedly connected with the gear (24).
  6. 6. The non-contact wheel alignment parameter measurement device according to claim 1, wherein the lifting device (6) comprises a movable seat (61), a lifting pad (63) is arranged above the movable seat (61), a hydraulic rod (62) is fixedly arranged between the lifting pad (63) and the movable seat (61), a connecting device (7) is arranged between the movable seat (61) and the movable frame (1), the connecting device (7) comprises two connecting rods (71) which are connected in a rotating manner, and one ends, far away from each other, of the two connecting rods (71) are respectively connected with the movable seat (61) and the movable frame (1) in a rotating manner.

Description

Non-contact type wheel positioning parameter measuring device Technical Field The utility model relates to the technical field of four-wheel positioning, in particular to a non-contact type wheel positioning parameter measuring device. Background The device comprises a computer, a calibration target plate and a side shooting device, wherein the side shooting device comprises a measuring camera, an auxiliary camera, an operation processing unit, a data transmission unit and an LED auxiliary illuminating lamp, the measuring camera is arranged in parallel, the relative positions of the measuring camera and the auxiliary camera are fixed, and the relative positions of the auxiliary camera and the measuring camera are fixed. The patent also provides a non-contact four-wheel aligner wheel measuring method, which uses a computer vision method to find the wheel hub edge through image processing, and then performs three-dimensional correction on the extracted wheel hub edge, so that the wheel hub edges extracted in the left and right vision images are unified to the same plane and aligned in rows, and the matching points of the wheel hub edge extracted in the corrected left (right) image and the wheel hub edge extracted in the corrected right (left) image are on the same row, thereby realizing non-contact positioning measurement on the wheel; The wheel hub edge is found through image processing, so that non-contact positioning measurement of the wheel is realized, however, when the wheel is installed on an automobile to perform four-wheel positioning detection, the wheel hub can slightly deform under the gravity extrusion of the automobile, and the final result of the four-wheel positioning detection is affected. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a non-contact wheel positioning parameter measuring device, which solves the problem that when wheels are arranged on an automobile to carry out four-wheel positioning detection, the hub can slightly deform under the gravity extrusion of the automobile, so that the final result of the four-wheel positioning detection is affected. The non-contact wheel positioning parameter measuring device comprises a movable frame with a T-shaped structure, wherein the end part of the vertical end of the movable frame is rotatably connected with a support rod, the side surface of the support rod is fixedly provided with a measuring instrument, the transverse end of the movable frame is provided with a positioning device for extruding wheels, the positioning device comprises clamping assemblies arranged at two ends of the transverse end of the movable frame, each clamping assembly comprises an L-shaped rod for extruding the peripheral side of a tire, an extrusion assembly is slidably arranged at the transverse end of the movable frame and between the two L-shaped rods, and the side surface of the movable frame is provided with a lifting device for lifting the vehicle to suspend the wheels. Preferably, an angle adjusting device is arranged between the side surface of the support rod and the movable frame, the angle adjusting device comprises a support rod, the upper surface of the movable frame is connected with a T-shaped block in a sliding manner, and two ends of the support rod are respectively connected with the support rod and the T-shaped block in a rotating manner. Preferably, the upper surface of the movable frame is provided with a T-shaped groove matched with the T-shaped block, the end part of the vertical end of the movable frame is rotationally connected with a screw rod, the end part of the screw rod extends into the T-shaped groove and penetrates through the T-shaped block, and the end part of the screw rod is in threaded connection with the T-shaped block. Preferably, the inboard fixedly connected with inserted bar of L shape pole, extrusion subassembly includes the extrusion pole, remove the both ends of the transverse end of frame and seted up with inserted bar assorted second slot, remove the middle part of the transverse end of frame and seted up with extrusion pole assorted first slot. Preferably, the upper surface that the extrusion rod is located one end in the first slot has seted up the bar groove, the inner wall fixedly connected with rack of bar groove side, the bar inslot rotates to be connected with the gear with rack engagement, the upper surface rotation of moving the frame is connected with the knob, the tip of knob extends into the bar inslot and with gear fixed connection. Preferably, the lifting device comprises a movable seat, a lifting pad is arranged above the movable seat, a hydraulic rod is fixedly arranged between the lifting pad and the movable seat, a connecting device is arranged between the movable seat and the movable frame, the connecting device comprises two connecting rods which are connected in a mutually rotating manner, and one ends, far away from each other, of the two connecting