CN-224216029-U - Automobile transmission shaft coaxiality detection device

Abstract

The utility model discloses an automobile transmission shaft coaxiality detection device which comprises a frame, wherein an adjustable positioning mechanism and a supporting component for supporting a transmission shaft are arranged on the frame, the adjustable positioning mechanism comprises a positioning disc and a horizontal ejector rod opposite to the positioning disc in position, one end of the positioning disc is provided with a guide hole, a positioning column matched with a transmission shaft flange positioning hole is arranged in the guide hole, a pre-tightening spring is arranged in the guide hole, one end of the pre-tightening spring abuts against the inner wall of the guide hole, and the other end of the pre-tightening spring abuts against one end of the positioning column in the guide hole, and a detection component is arranged on the frame.

Inventors

• ZHU SHIDA
• WAN BINBIN

Assignees

• 湖北恒泰汽车传动轴有限公司

Dates

Publication Date

20260508

Application Date

20250528

Claims (6)

1. 1. The utility model provides an automobile transmission shaft axiality detection device, its characterized in that, including frame (1), be provided with adjustable positioning mechanism (2) and be used for supporting transmission shaft's supporting component (3) on frame (1), adjustable positioning mechanism (2) include positioning disk (21) and with positioning disk (21) the relative horizontal ejector pin (22) of position, guiding hole (23) have been seted up to one end of positioning disk (21), the inside of guiding hole (23) is provided with reference column (24) with transmission shaft flange locating hole matching, the inside of guiding hole (23) is provided with pretension spring (25), the one end of pretension spring (25) supports the inner wall of leaning on guiding hole (23), and the other end supports the one end that reference column (24) are located guiding hole (23) inside, be provided with on frame (1) and detect subassembly (4).
2. 2. The automobile transmission shaft coaxiality detection device according to claim 1, wherein the adjustable positioning mechanism (2) further comprises a driving assembly (26), the driving assembly (26) comprises a driving motor (261) fixedly installed on the rack (1), the output end of the driving motor (261) is fixedly connected with a driving shaft (262), a transmission sleeve (263) is sleeved on the driving shaft (262) in a sliding mode, a mounting plate (264) is fixedly installed on one side of the transmission sleeve (263), and the positioning disc (21) is detachably installed on the mounting plate (264).
3. 3. The device for detecting the coaxiality of the automobile transmission shaft according to claim 2, wherein a sliding key (265) is fixedly connected to the inside of the transmission sleeve (263), and a key groove (266) which is in sliding fit with the sliding key (265) is formed in the driving shaft (262).
4. 4. The automobile transmission shaft coaxiality detection device according to claim 3, wherein the driving shaft (262) and the transmission sleeve (263) are fixedly connected with bosses (267), a compression spring (268) is arranged between the two bosses (267), the compression spring (268) is sleeved on the driving shaft (262) and the transmission sleeve (263), and the mounting plate (264) is fixedly connected with a pull ring (269).
5. 5. The automobile transmission shaft coaxiality detection device according to claim 1, wherein the supporting component (3) comprises bases (31) symmetrically arranged at the tops of the frames (1), two sliding rods (32) are symmetrically and fixedly connected between the bases (31), bases (33) are sleeved on the sliding rods (32) in a sliding mode, V-shaped mounting grooves (34) are symmetrically formed in the bases (33), sliding rollers (35) are rotatably arranged in the V-shaped mounting grooves (34), the horizontal ejector rods (22) are sleeved on the sliding rods (32) in a sliding mode, fixing screws (36) are vertically arranged on the horizontal ejector rods (22), and the fixing screws (36) are used for fixing the horizontal ejector rods (22) with the frames (1).
6. 6. The automobile transmission shaft coaxiality detection device according to claim 1, wherein the detection assembly (4) comprises a plurality of sections of detection arms (41) fixedly installed on the frame (1), a dial indicator (42) is arranged at the free end of each section of detection arms (41), and a measuring head of each dial indicator (42) faces towards the axis of the transmission shaft.

Description

Automobile transmission shaft coaxiality detection device Technical Field The utility model relates to the technical field of automobile manufacturing detection, in particular to an automobile transmission shaft coaxiality detection device. Background In automotive transmission systems, the coaxiality of the drive shaft is a critical parameter affecting the running stability, reliability and service life of the vehicle. If the coaxiality of the transmission shaft is poor, severe vibration and abnormal noise can be generated in the running process of the vehicle, so that the driving comfort is reduced, the accelerated abrasion of the transmission part can be possibly caused, and even potential safety hazards are caused. Therefore, accurate detection of the coaxiality of the transmission shaft is of great significance in guaranteeing the normal operation of the automobile transmission system. At present, the detection method of the coaxiality of the automobile transmission shaft mainly depends on manual measurement or uses simpler tool equipment. However, the existing coaxiality detection device is not efficient enough when facing a large number of operations for detecting the automobile transmission shaft, takes more time for positioning and mounting, and cannot meet the requirements of the modern automobile manufacturing industry on high-precision and high-efficiency detection. Disclosure of Invention In order to solve the defects in the background art, the utility model aims to provide the coaxiality detection device for the automobile transmission shaft, which is provided with the adjustable positioning mechanism, and realizes the rapid positioning of the transmission shaft by utilizing the matching of the positioning column and the positioning holes of the flange plate of the transmission shaft, so that the positioning column can adapt to the positioning holes with different depths in a self-adaptive manner by the arrangement of the pre-tightening spring, and the positioning accuracy and stability are improved. The aim of the utility model can be achieved by the following technical scheme: The utility model provides an automobile transmission shaft axiality detection device, includes the frame, be provided with adjustable positioning mechanism in the frame and be used for supporting the supporting component of transmission shaft, adjustable positioning mechanism includes the positioning disk and with the relative horizontal ejector pin of positioning disk position, the guiding hole has been seted up to the one end of positioning disk, the inside of guiding hole is provided with the reference column that matches with the driving axle flange locating hole, the inside of guiding hole is provided with the pretension spring, the one end of pretension spring supports the inner wall of leaning on the guiding hole, and the other end supports the one end that the reference column is located the guiding hole inside, be provided with detection component in the frame. Still preferably, the adjustable positioning mechanism further comprises a driving assembly, the driving assembly comprises a driving motor fixedly installed on the frame, the output end of the driving motor is fixedly connected with a driving shaft, a transmission sleeve is sleeved on the driving shaft in a sliding manner, a mounting plate is fixedly installed on one side of the transmission sleeve, and the positioning plate is detachably installed on the mounting plate. Further preferably, a sliding key is fixedly connected in the transmission sleeve, and a key groove which is in sliding fit with the sliding key is formed in the driving shaft. Further preferably, the driving shaft and the transmission sleeve are fixedly connected with bosses, a compression spring is arranged between the two bosses, the compression spring is sleeved on the driving shaft and the transmission sleeve, and the mounting plate is fixedly connected with a pull ring. Still preferably, the support assembly comprises a base symmetrically arranged at the top of the frame, a slide bar is symmetrically and fixedly connected between the two bases, a base is arranged on the slide bar in a sliding sleeve mode, V-shaped mounting grooves are symmetrically formed in the base, sliding rollers are rotatably arranged in the V-shaped mounting grooves, the horizontal ejector rod is slidably sleeved on the slide bar, and fixing screws are vertically arranged on the horizontal ejector rod and used for fixing the horizontal ejector rod with the frame. Further preferably, the detecting assembly comprises a plurality of sections of detecting arms fixedly mounted on the frame, a dial indicator is arranged at the free end of each section of detecting arms, and a measuring head of the dial indicator faces to the axis of the transmission shaft. The utility model has the beneficial effects that: 1. According to the utility model, by arranging the adjustable positioning mechanism, the rapid positioning