Steel plate spring short piece rapid stress shot peening pre-pressing clamp and method
A technology of leaf springs and short pieces, which is applied in the field of fast stress shot peening preloading fixtures for short leaf springs, can solve the problems of low life, no stress peening, and impossibility, and achieve convenient operation, simple structure, and reduced use costs. Effect
Active Publication Date: 2021-12-31
东风汽车底盘系统有限公司
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Problems solved by technology
[0002] At present, the shot peening of leaf spring short pieces cannot be realized with the existing equipment, resulting in that the single leaf spring with a length of <800mm does not undergo stress peening, and can only be treated with ordinary shot peening.
It is known that the life of the leaf spring after ordinary shot peening is much lower than that of stress shot peening, which also leads to a great limitation in the improvement of the overall life of the leaf spring assembly
Method used
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[0028] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the application are given in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.
[0029] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element, or connected to the other element through an intervening element.
[0030] figure 1 Schematic diagram of the rapid stress shot peening preloading fixture for leaf spring short pieces, figure 2 It is a schematic diagram of the structure of the rapid stress shot peening preloading fixture for the leaf spring short piece, image 3 is...
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The invention relates to the technical field of clamps, in particular to a steel plate spring short piece rapid stress shot peening pre-pressing clamp and method. The clamp comprises a fixing plate, an upper pressing plate, a guide device and clamping seats. The fixing plate is mounted on a base plate of a hydraulic machine. The upper pressing plate applies pressure to steel plate spring short pieces placed on the fixing plate under the action of a hydraulic machine pressing head. The guide device is used for ensuring the uniform perpendicularity of the force applied to the steel plate spring short pieces by the upper pressing plate. The clamping seats are used for shaping the steel plate spring short pieces after pre-pressing is completed. The steel plate spring short piece rapid stress shot peening pre-pressing clamp is simple in structure, the steel plate spring short pieces are pre-pressed through the fixing plate and the upper pressing plate, shaping after pre-pressing is conducted through the clamping seats, pre-pressing of a steel plate spring single piece with the length smaller than 800 mm can be met, and operation is convenient and fast.
Description
technical field [0001] The invention relates to the technical field of fixtures, in particular to a quick-stress shot-peening preloading fixture and method for short leaf spring pieces. Background technique [0002] At present, the shot peening of leaf spring short pieces cannot be realized with the existing equipment, resulting in that the single leaf spring with a length of <800mm does not undergo stress peening, and can only be treated with ordinary shot peening. It is known that the life of the leaf spring after ordinary shot peening is much lower than that of stress shot peening, which also leads to a great limitation in the improvement of the overall life of the leaf spring assembly. Contents of the invention [0003] Based on this, the object of the present invention is to provide a rapid stress shot peening preloading fixture for short leaf spring pieces, which can satisfy the preloading of a leaf spring single piece with a length of <800mm, so as to facilita...
Claims
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IPC IPC(8): B24C9/00
CPCB24C9/00Y02P10/20
Inventor 沈文军石朝阳王海庆朱涛杰
Owner 东风汽车底盘系统有限公司