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An air spring bending fatigue testing machine

An air spring and bending fatigue technology, which is applied in the field of air spring bending fatigue testing machine, can solve problems such as inspection, and achieve the effects of easy use, bending fatigue inspection, and low cost

Active Publication Date: 2018-05-04
NINGBO MEIYADA AUTOMOBILE PARTS MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the air spring needs to be tested for bending fatigue, there is currently no special equipment for testing it, and there is basically no bending fatigue test for the air spring at present.

Method used

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  • An air spring bending fatigue testing machine
  • An air spring bending fatigue testing machine
  • An air spring bending fatigue testing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: As shown in the figure, an air spring bending fatigue testing machine includes a rotating shaft 1 and a frame 3 for fixing the air spring 2, and the frame 3 is fixed with two shafts parallel to the air spring 2 Connecting rod 4, the two connecting rods 4 are respectively located on both sides of the air spring 2, the rotating shaft 1 is axially connected to the connecting rod 4, the rotating shaft 1 is fixedly connected to the center point O of the end of the air spring 2 and is connected to the axial direction of the air spring 2 Vertically, the part in contact with the air spring 2 on the rotating shaft 1 is flat, and the rotating shaft swing driving mechanism is connected to the rotating shaft 1 to drive the air spring 2 to bend. The rotating shaft swing driving mechanism includes a driving motor 5, a turntable 6, a rocker 7 and Fork 8, the turntable 6 is fixedly connected coaxially with the drive shaft of the drive motor 5, one end of the rocker 7 is ec...

Embodiment 2

[0022] Embodiment 2: As shown in the figure, an air spring bending fatigue testing machine includes a rotating shaft 1 and a frame 3 for fixing the air spring 2. Connecting rod 4, the two connecting rods 4 are respectively located on both sides of the air spring 2, the rotating shaft 1 is axially connected to the connecting rod 4, the rotating shaft 1 is fixedly connected to the center point O of the end of the air spring 2 and is connected to the axial direction of the air spring 2 Vertically, the part in contact with the air spring 2 on the rotating shaft 1 is flat, and the rotating shaft swing driving mechanism is connected to the rotating shaft 1 to drive the air spring 2 to bend. The rotating shaft swing driving mechanism includes a driving motor 5, a turntable 6, a rocker 7 and Swing bar 8, turntable 6 is coaxially fixedly connected with the drive shaft of drive motor 5, one end of rocking bar 7 is eccentrically connected with turntable 6, and a swing angle adjustment mec...

Embodiment 3

[0023] Embodiment 3: As shown in the figure, an air spring bending fatigue testing machine includes a rotating shaft 1 and a frame 3. Two connecting rods 4 parallel to the axial direction of the air spring 2 are fixedly arranged on the frame 3, and the two connecting rods are connected The rods 4 are respectively located on both sides of the air spring 2. The rotating shaft 1 is connected to the connecting rod 4. The rotating shaft 1 is fixedly connected to the center point O of the end of the air spring 2 and is perpendicular to the axial direction of the air spring 2. The rotating shaft 1 is connected to the center point O of the air spring 2. The contact part of the air spring 2 is flat, the frame 3 is screwed with an adjusting screw 9, the adjusting screw 9 is parallel to the connecting rod 4, the end of the adjusting screw 9 is integrally provided with an adjusting plate 91 for fixing the air spring 2, The adjusting screw 9 is fixed to the frame 3 through double nuts 92. T...

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Abstract

The invention discloses an air spring bending fatigue testing machine, which is characterized in that it includes a rotating shaft and a frame for fixing the air spring, at least one connecting rod parallel to the axial direction of the air spring is fixedly arranged on the frame, and the rotating shaft is connected On the connecting rod, the rotating shaft is fixedly connected with the center point of the end of the air spring and is perpendicular to the axial direction of the air spring. The rotating shaft is connected with a rotating shaft swing driving mechanism to drive the air spring to bend; The bending fatigue test of the spring is simple in structure, easy to use and low in cost; in addition, since the swing angle adjustment mechanism is set between the rocker and the turntable, the swing range of the swing rod can be adjusted to meet the requirements of different bending degrees of the air spring; And because the distance adjustment mechanism is arranged between the rotating shaft and the frame, the bending fatigue test of air springs with different lengths can be realized by changing the distance between the rotating shaft and the air spring installation surface.

Description

technical field [0001] The invention relates to an air spring detection device, in particular to an air spring bending fatigue testing machine. Background technique [0002] Rubber air springs are widely used in automobiles, aviation, medical equipment, furniture, machinery manufacturing and other fields due to their good shock absorption performance. A series of inspections are required during the processing of the rubber air spring, and the factory can only leave the factory after passing the inspection. All inspection processes include the fatigue inspection of the air spring. At present, there are mainly two types of fatigue tests for air springs, one is axial compression and tension fatigue tests, and the other is radial torsional fatigue tests. When the air spring needs to be tested for bending fatigue, there is currently no special equipment for testing it, and at present, the bending fatigue test for air springs is basically not performed. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/00
Inventor 吴能达许京洲尤建松
Owner NINGBO MEIYADA AUTOMOBILE PARTS MFG
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