Manufacturing method of cylinder of actuating cylinder

A manufacturing method and actuating cylinder technology, applied in the field of cylinder block manufacturing, can solve the problems of poor fatigue resistance and corrosion resistance, limited application of actuating cylinders, large thermal expansion, etc.

Inactive Publication Date: 2012-09-26
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the cylinder body of the actuating cylinder made of a single alloy steel also has disadvantages such as poor fatigue resistance and corrosion resistance and high thermal expansion, which limits the application of the actuating cylinder

Method used

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  • Manufacturing method of cylinder of actuating cylinder
  • Manufacturing method of cylinder of actuating cylinder
  • Manufacturing method of cylinder of actuating cylinder

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Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0018] Such as figure 1 and figure 2 As shown, an embodiment of the present invention provides a cylinder body of an actuating cylinder, wherein the cylinder body includes an inner liner 1 and a first fiber composite material layer 2 combined on the outside of the inner liner 1 .

[0019] Through the above technical solution, the cylinder body of the actuating cylinder includes the inner lining layer 1 and the first fiber composite material layer 2. Compared with the existing metal materials, the fiber composite material is lighter in weight under the same strength and has better fatigue resistance. It has good corrosion resistance and low thermal expansion,...

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Abstract

The invention discloses a manufacturing method of a cylinder of an actuating cylinder, which comprises a liner layer forming step to form the liner layer (1); and a combining step: a first fiber material preimpregnated with semisolid matrix resin is winded out of the liner layer (1) by a dry winding process so that a first fiber composite material layer (2) formed by the first fiber material and the matrix resin is combined out of the liner layer (1). The cylinder of the actuating cylinder manufactured by the manufacturing method comprises the liner layer and the first fiber composite material layer so that the cylinder is larger in strength, lighter in weight, fatigue resistant and good in anti-corrosion performance as well as smaller in thermal expansion. Furthermore, as the liner layer of the cylinder can meet the requirements of tightness of the inner wall of the cylinder and wear-resistance of the inner wall contacted with a piston, the usability of the cylinder is not affected. In addition, weight of the cylinder can be accurately controlled by using the first fiber composite material layer by the dry winding process, so that the production efficiency is higher.

Description

technical field [0001] The present invention relates to the field of actuating cylinders, in particular to a method for manufacturing a cylinder body of an actuating cylinder. Background technique [0002] Actuating cylinders generally include hydraulic and pneumatic cylinders and are used in a wide variety of applications. For example, taking a hydraulic cylinder as an example, concrete pumping equipment (such as a concrete pump truck) usually includes a hydraulic cylinder for driving the reciprocating movement of the concrete cylinder to transport concrete. At present, in the process of concrete action, more and more concrete transportation work is completed by concrete pump truck. With the rapid development of concrete machinery technology, engineering operations require concrete to be transported to higher and farther distances. The materials selected for the boom, hydraulic cylinder and other components of concrete machinery are all developing in the direction of light...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C63/06B23P15/00B29C35/02
CPCB29C63/06B23P15/00
Inventor 李晓超李庶
Owner ZOOMLION HEAVY IND CO LTD
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