Self-locking oil cylinder and operation machine
An oil cylinder and self-locking technology, applied in the field of hydraulic oil cylinders, can solve the problems of self-locking failure of the oil cylinder self-locking mechanism, and achieve the effect of improving stability
Pending Publication Date: 2022-04-05
SANY AUTOMOBILE MFG CO LTD
View PDF0 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The invention provides a self-locking oil cylinder and a working machine, which are used to solve the defect in the prior art that the self-locking mechanism of the oil cylinder self-locking mechanism fails after the hydraulic oil on both sides of the hydraulic rod loses pressure and becomes unstable.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0024] The features of the terms "first" and "second" in the description and claims of the present invention may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.
[0025] In describing the present invention, it should be understood that the terms "center", "longitudinal", "t...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to the technical field of hydraulic oil cylinders, and provides a self-locking oil cylinder and an operation machine. The self-locking oil cylinder comprises an oil cylinder shell, a control oil port is formed in the side wall of the oil cylinder shell, at least part of a hydraulic rod is arranged in the oil cylinder shell, and a moving piece, a first elastic piece and a brake block are further arranged in the oil cylinder shell; wherein the moving part is arranged outside the hydraulic rod, the moving part is in sliding fit with the brake block, and the moving part can move in the first direction under the action of the first elastic part so as to push the brake block to lock the hydraulic rod. According to the self-locking oil cylinder, unlocking and self-locking of the oil cylinder are achieved in the sliding process of the moving part, so that the oil cylinder can still be self-locked in the state that oil pressure of the front cavity and the rear cavity is unstable or oil is not supplied, and the self-locking stability of the oil cylinder is improved.
Description
technical field [0001] The invention relates to the technical field of hydraulic oil cylinders, in particular to a self-locking oil cylinder and an operating machine. Background technique [0002] During the operation of construction machinery, the hydraulic cylinder, as one of the main actuators, plays an important role in the hydraulic system, driving the actuator to achieve the designed function. Under some working conditions, the hydraulic cylinder needs to maintain the locking function within a certain period of time, that is, the hydraulic rod does not move relative to the hydraulic cylinder barrel. In the prior art, the self-locking mechanism of the self-locking cylinder is controlled by the hydraulic oil of the main cylinder itself. When one side of the hydraulic oil on both sides loses pressure and becomes unstable due to leakage or other problems, the self-locking will fail. Contents of the invention [0003] The invention provides a self-locking oil cylinder an...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More IPC IPC(8): F15B15/26F15B15/14
Inventor 罗斌马飞苏广煜
Owner SANY AUTOMOBILE MFG CO LTD