CN-121977864-A - Testing device and system for automobile parts

Abstract

The invention relates to the technical field of testing of mechanical parts, in particular to a testing device and a testing system for automobile parts, wherein the testing device for the automobile parts comprises a base, a pressing component and two supporting components; the support assembly comprises a sliding seat, a fixed plate, a base shaft, a driving mechanism, two sliding rods, a moving plate, a rotary table, a first hollow shaft, a second hollow shaft, a third hollow shaft and a fourth hollow shaft, wherein the outer diameters of the first hollow shaft, the second hollow shaft, the third hollow shaft and the fourth hollow shaft are consistent with the inner diameters of the lugs of common plate springs with several specifications, the inner diameters of the first hollow shaft, the second hollow shaft, the third hollow shaft and the fourth hollow shaft are matched with the base shaft, so that the matching of the hollow shafts with different specifications and the base shaft can be switched, and the lugs of the plate springs with different specifications can be positioned and supported, thereby being capable of compatibly testing the plate springs with various specifications.

Inventors

• ZHENG LINFENG
• YUN ZHIQIANG

Assignees

• 西安华盾汽车零部件有限公司

Dates

Publication Date

20260505

Application Date

20260206

Claims (10)

1. 1. A testing device for automobile parts is characterized in that, Comprises a base, a pressing component and two supporting components; the base is provided with two sliding grooves, and the two supporting components are arranged on the two sliding grooves; The support assembly comprises a sliding seat, a fixed plate, a base shaft, a driving mechanism, two sliding rods, a moving plate, a rotary table, a first hollow shaft, a second hollow shaft, a third hollow shaft and a fourth hollow shaft; The sliding seat is arranged on the two sliding grooves in a sliding mode, the fixing plate is fixedly arranged on the top of the sliding seat, the base shaft is arranged on the fixing plate in a sliding mode and penetrates through the fixing plate, the driving mechanism is arranged on the sliding seat and used for driving the base shaft to slide, the two sliding rods are respectively arranged on the sliding seat in a sliding mode and penetrate through the sliding seat, the moving plate is fixedly arranged at one end of each sliding rod, the rotary table is rotatably arranged on the moving plate, the first hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, the second hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, the third hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, and the fourth hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table.
2. 2. A test device for automotive parts according to claim 1, characterized in that, The movable plate is provided with a supporting hole; the support hole is used for supporting one end of the base shaft.
3. 3. A test device for automotive parts according to claim 2, characterized in that, The sliding seat is provided with a supporting groove; The support groove is used for supporting the moving plate.
4. 4. A test device for automotive parts according to claim 3, characterized in that, The pressing component comprises a supporting table, a hydraulic cylinder and a pressing plate; the support table is fixedly arranged at the top of the base, the hydraulic cylinder is fixedly arranged on the support table, and the pressure plate is fixedly arranged at the output end of the hydraulic cylinder.
5. 5. A test device for automotive parts according to claim 4, characterized in that, The driving mechanism comprises an electric push rod and a connecting rod; the electric push rod is fixedly arranged in the sliding seat, one end of the connecting rod is fixedly connected with the output end of the electric push rod, and the other end of the connecting rod is fixedly connected with the base shaft.
6. 6. A test device for automotive parts according to claim 5, characterized in that, The supporting component further comprises two mounting sleeves, two lock rods, a trapezoid block, two springs and a pressing block; The sliding rod is characterized in that a lock hole is formed in one end, far away from the moving plate, of the sliding rod, two installation sleeves are respectively and fixedly arranged on one side, far away from the moving plate, of the sliding seat, two lock rods are respectively and slidably arranged in the two installation sleeves, the trapezoid block is fixedly arranged at the tops of the two lock rods, two springs are respectively sleeved on the two lock rods, and the pressing block is fixedly arranged on the connecting rod.
7. 7. A test device for automotive parts according to claim 6, characterized in that, The pressing block comprises a mounting block and a roller; The installation block is fixedly arranged on the connecting rod, and the roller is rotatably arranged at the bottom of the installation block.
8. 8. A test device for automotive parts according to claim 7, characterized in that, The supporting component further comprises a square cylinder, a sliding bar and a limiting rod; The rotary table is provided with four limit grooves, the square cylinder is fixedly arranged at the top of the movable plate, the sliding strip is arranged in the square cylinder in a sliding manner, and the limit rod is fixedly arranged at one side of the sliding strip.
9. 9. A test device for automotive parts according to claim 8, characterized in that, The testing device for the automobile parts further comprises two racks and gears; the two racks are fixedly connected with the two sliding seats respectively, are in sliding connection with the base respectively and are located at the top of the base respectively, and the gears are rotatably arranged at the top of the base and are meshed with the two racks respectively.
10. 10. A test system for automobile parts is characterized in that, A test device for automotive parts comprising a device according to any one of claims 1 to 9.

Description

Testing device and system for automobile parts Technical Field The invention relates to the technical field of testing of mechanical parts, in particular to a testing device and a testing system for automobile parts. Background The leaf spring is used as a core buffer component of an automobile suspension system and is connected with a frame through a coil lug so as to transmit wheel load and attenuate road impact. To ensure the reliability, the finished product needs to be sampled in batches to verify the fatigue resistance. The traditional test scheme adopts a mode of fixing rolling lugs at two ends and hydraulically and reciprocally loading the center, namely, a pressing block repeatedly presses the center of the plate spring at constant frequency and amplitude to enable the plate spring to generate periodical bending deformation until the plate spring reaches the preset cycle times or cracks appear, so that the fatigue life is estimated. However, the existing equipment has adaptability defect, only can test the leaf springs with single specification, and can not be compatible with the leaf springs with other specifications. Disclosure of Invention The invention aims to provide a testing device and a testing system for automobile parts, which can be used for compatibly testing plate springs with various specifications. In order to achieve the above object, in a first aspect, the present invention provides a testing device for an automobile part, including a base, a pressing component, and two support components; the base is provided with two sliding grooves, and the two supporting components are arranged on the two sliding grooves; The support assembly comprises a sliding seat, a fixed plate, a base shaft, a driving mechanism, two sliding rods, a moving plate, a rotary table, a first hollow shaft, a second hollow shaft, a third hollow shaft and a fourth hollow shaft; The sliding seat is arranged on the two sliding grooves in a sliding mode, the fixing plate is fixedly arranged on the top of the sliding seat, the base shaft is arranged on the fixing plate in a sliding mode and penetrates through the fixing plate, the driving mechanism is arranged on the sliding seat and used for driving the base shaft to slide, the two sliding rods are respectively arranged on the sliding seat in a sliding mode and penetrate through the sliding seat, the moving plate is fixedly arranged at one end of each sliding rod, the rotary table is rotatably arranged on the moving plate, the first hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, the second hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, the third hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table, and the fourth hollow shaft is fixedly arranged on the rotary table and penetrates through the rotary table. Wherein, the moving plate is provided with a supporting hole; the support hole is used for supporting one end of the base shaft. Wherein, the sliding seat is provided with a supporting groove; The support groove is used for supporting the moving plate. The pressing assembly comprises a supporting table, a hydraulic cylinder and a pressing plate; the support table is fixedly arranged at the top of the base, the hydraulic cylinder is fixedly arranged on the support table, and the pressure plate is fixedly arranged at the output end of the hydraulic cylinder. Wherein the driving mechanism comprises an electric push rod and a connecting rod; the electric push rod is fixedly arranged in the sliding seat, one end of the connecting rod is fixedly connected with the output end of the electric push rod, and the other end of the connecting rod is fixedly connected with the base shaft. The support assembly further comprises two mounting sleeves, two lock rods, a trapezoid block, two springs and a pressing block; The sliding rod is characterized in that a lock hole is formed in one end, far away from the moving plate, of the sliding rod, two installation sleeves are respectively and fixedly arranged on one side, far away from the moving plate, of the sliding seat, two lock rods are respectively and slidably arranged in the two installation sleeves, the trapezoid block is fixedly arranged at the tops of the two lock rods, two springs are respectively sleeved on the two lock rods, and the pressing block is fixedly arranged on the connecting rod. Wherein the pressing block comprises a mounting block and a roller; The installation block is fixedly arranged on the connecting rod, and the roller is rotatably arranged at the bottom of the installation block. Wherein, the supporting component also comprises a square cylinder, a slide bar and a limiting rod; The rotary table is provided with four limit grooves, the square cylinder is fixedly arranged at the top of the movable plate, the sliding strip is arranged in the square cylinder in a sliding manner,