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CN-224216305-U - Roller brake device for motor vehicle detection

CN224216305UCN 224216305 UCN224216305 UCN 224216305UCN-224216305-U

Abstract

The utility model discloses a roller brake device for motor vehicle detection, and belongs to the technical field of motor vehicle detection. The roller brake device for motor vehicle detection comprises two groups of first rollers and second rollers which rotate in a box body, wherein the two first rollers are rotationally connected through a coupler, the two second rollers are rotationally connected through another coupler, and the two groups of first rollers and the two second rollers are braked through brake components; according to the utility model, the brake assembly is arranged, so that the electric push rod pushes the connecting block to slide upwards, and the angle is automatically adjusted through the two connecting arms, so that the first brake block is abutted against the surface of the first brake wheel, the first roller and the second roller are synchronously braked, the two groups of the first roller and the second roller are connected through the coupling, and the other group of the first roller and the second roller can be synchronously braked.

Inventors

  • Zhuang Shouchun
  • LIAO YONGNIAN

Assignees

  • 成都守春机械设备有限公司

Dates

Publication Date
20260508
Application Date
20250718

Claims (9)

  1. 1. The roller brake device for motor vehicle detection is characterized by comprising two groups of first rollers (102) and second rollers (103) which rotate in a box body (1), wherein the two first rollers (102) are rotationally connected through a coupler (2), the two second rollers (103) are rotationally connected through another coupler (2), and the two groups of first rollers (102) and the two second rollers (103) are braked through a brake assembly (4); The brake assembly (4) comprises a first brake wheel (401) fixed at one end of one of the first roller (102) and the second roller (103) and two first brake plates (402) matched with the first brake wheel (401) for braking the first roller (102) and the second roller (103).
  2. 2. A drum brake device for detecting motor vehicle according to claim 1, wherein two first brake pads (402) are both laterally slid on the surface of the guide plate (403), the two first brake pads (402) are synchronously moved by two connecting arms (405) and an electric push rod (406), the two first brake pads (402) are both located between the two first brake wheels (401), and the first brake pads (402) are arc-shaped with the diameters of the first brake wheels (401).
  3. 3. The roller brake device for motor vehicle detection according to claim 2, wherein the guide plate (403) is fixed on the surface of one of the partition plates (101), a first guide groove (4031) and a second guide groove (4032) are formed in the surface of the guide plate (403), the first guide groove (4031) is transversely arranged, the second guide groove (4032) is vertically arranged, and the two first brake plates (402) slide on the inner wall of the first guide groove (4031) through sliding blocks.
  4. 4. A drum brake device for detecting motor vehicles according to claim 3, wherein the upper ends of the two connecting arms (405) are respectively hinged on the surfaces of the two first brake blocks (402), the lower ends of the two connecting arms (405) are hinged on the surfaces of the connecting blocks (404), the connecting blocks (404) slide on the inner wall of the second guide groove (4032), and the connecting blocks (404) are driven to lift by the electric push rods (406).
  5. 5. The roller brake device for motor vehicle detection according to claim 1, wherein two groups of detection rollers (5) are symmetrically arranged in the box body (1), and adjusting assemblies (6) for adjusting the positions of the detection rollers (5) are respectively arranged at two ends of the detection rollers (5).
  6. 6. A drum brake device for motor vehicle inspection according to claim 5, characterized in that the adjusting assembly (6) comprises a swinging arm (601) rotating at one end of the inspection drum (5) and a hydraulic rod (602) for driving the swinging arm (601) to rotate, the swinging arm (601) is L-shaped, the middle part of the swinging arm (601) rotates on the inner wall of the box (1) through a connecting shaft, and the lower end of the swinging arm (601) is driven by the hydraulic rod (602).
  7. 7. The roller brake device for motor vehicle detection according to claim 6, wherein the two detection rollers (5) are respectively fixed with a second brake wheel (7) at one end far away from each other, a second brake plate (8) matched with the second brake wheel (7) is fixed at the top of the box body (1), and the second brake plate (8) is arc-shaped matched with the diameter of the second brake wheel (7).
  8. 8. A drum brake device for motor vehicle inspection according to claim 1, characterized in that the first drum (102) and the second drum (103) are in driving connection by means of a driving assembly (3).
  9. 9. A drum brake device for detecting motor vehicles according to claim 1, wherein the inside of the case (1) is divided into a cavity by two partition boards (101), the two partition boards (101) are fixed on the inner wall of the case (1), and the two couplings (2) and the transmission assembly (3) are located in the cavity.

Description

Roller brake device for motor vehicle detection Technical Field The utility model relates to the technical field of motor vehicle detection, in particular to a roller brake device for motor vehicle detection. Background The automobile detection is used for determining the technical condition or the working capacity of the automobile, and parts of the automobile are gradually worn, corroded, deformed and aged along with the extension of the service time in the use process of the automobile, so that the technical performance of the automobile is reduced, and the brake performance detection is an important index in the detection of the automobile and is an important item for ensuring the safe running of the automobile. In the existing motor vehicle inspection bench, a roller braking device composed of a braking belt and an air cylinder is generally adopted, the air cylinder is propped against the braking belt upwards during braking, and friction force generated between the braking belt and the roller is utilized to brake the roller. However, the braking force generated by the braking mode is relatively small, and particularly the roller cannot be reliably locked, so that a slipping phenomenon often occurs in the starting process of the motor vehicle, and the motor vehicle is influenced to normally drive away from the vehicle inspection table. Disclosure of utility model The utility model aims to solve the problem that a vehicle is convenient to drive off a vehicle inspection table in the prior art, and provides a roller brake device for detecting a motor vehicle. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The roller brake device for motor vehicle detection comprises two groups of first rollers and second rollers which rotate in a box body, wherein the two first rollers are rotationally connected through a coupler, the two second rollers are rotationally connected through another coupler, and the two groups of first rollers and the two second rollers are braked through brake components; the brake assembly comprises a first brake wheel fixed at one end of one of the first roller and the second roller and two first brake blocks matched with the first brake wheel for braking the first roller and the second roller. In some embodiments, the two first brake blocks are both laterally slid on the surface of the guide plate, the two first brake blocks are synchronously moved by the two connecting arms and the electric push rod, the two first brake blocks are both positioned between the two first brake wheels, and the first brake blocks are arc-shaped with diameters matched with the first brake wheels. In some embodiments, the deflector is fixed on one of the surfaces of the partition plates, a first guide groove and a second guide groove are formed in the surface of the deflector, the first guide groove is arranged transversely, the second guide groove is arranged vertically, and the two first brake blocks slide on the inner wall of the first guide groove through the sliding blocks. In some embodiments, the upper ends of the two connecting arms are respectively hinged to the surfaces of the two first brake blocks, the lower ends of the two connecting arms are hinged to the surfaces of the connecting blocks, the connecting blocks slide on the inner walls of the second guide grooves, and the connecting blocks are driven to lift through the electric push rod. In some embodiments, two groups of detection rollers are symmetrically arranged in the box body, and adjusting components for adjusting the positions of the detection rollers are respectively arranged at two ends of the detection rollers. In some embodiments, the adjusting component comprises a swinging arm rotating at one end of the detection roller and a hydraulic rod for driving the swinging arm to rotate, the swinging arm is L-shaped, the middle part of the swinging arm rotates on the inner wall of the box body through a connecting shaft, and the lower end of the swinging arm is driven through the hydraulic rod. In some embodiments, a second brake wheel is fixed at one end of each of the two detection rollers, which is far away from each other, a second brake plate matched with the second brake wheel is fixed at the top of the box body, and the second brake plate is arc-shaped and matched with the diameter of the second brake wheel. In some embodiments, the first roller is drivingly connected to the second roller by a drive assembly. In some embodiments, the inside of the box body is divided into a cavity by two partition boards, the two partition boards are fixed on the inner wall of the box body, and the two couplings and the transmission assembly are positioned in the cavity. Compared with the prior art, the utility model provides the roller brake device for motor vehicle detection, which has the following beneficial effects. 1. According to the utility model, the electric push rod pushes the connecti