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Booster valve of lubricating system for concrete pump

A technology for lubrication systems and concrete pumps, applied to pumps, piston pumps, pump components, etc., can solve problems such as grease pump or oil separator stuck, increased lubrication resistance at lubrication points, increased failure rate, etc., to reduce maintenance costs , Reliability and work performance improvement, the effect of reliability and work performance enhancement

Inactive Publication Date: 2006-11-01
长沙海亿达机械设备有限公司
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AI Technical Summary

Problems solved by technology

When the concrete pump works in the high-pressure area, the automatic lubrication system often malfunctions due to the increase in the lubrication resistance of each lubrication point (such as the lubrication point of the concrete pump outlet and the concrete cylinder piston), such as grease cannot enter the lubrication point, or even The grease pump or oil separator is stuck; while the manual lubrication system affects the reliability of lubrication due to cumbersome working procedures, differences in the quality of operators, or system performance.
The above-mentioned defects often lead to unstable operation of the lubrication system, a decrease in the working life of each lubrication protection object and an increase in the failure rate, thereby adversely affecting the reliability of the concrete pump and increasing the manufacturing and maintenance costs of the product

Method used

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  • Booster valve of lubricating system for concrete pump

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Embodiment Construction

[0022] according to figure 1 An embodiment of a concrete pump lubricating system booster valve of the present invention with the above structure has a valve body 1, a valve core 2 with a central oil hole 24 and a spring 3, and the valve core 2 is coaxially placed on the valve body 1 In the inner cavity, the axial section of the valve core 2 is convex, and the section of the front cylinder 23 is smaller than that of the rear cylinder 22. The rear cylinder 22 is connected to one end of the front cylinder 23 and the other end is connected to a one-way valve 21; The one-way valve 21 adopts a commercially available oil nipple whose specification is M10×1.

[0023] The valve body 1 also has a valve cavity matching the size of the above-mentioned valve core 2. The valve cavity is composed of a front valve cavity 15 and a rear valve cavity 14. A commercially available grease nipple with a specification of M10×1 is used. The valve body 1 has an air hole 12 in the radial direction cor...

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Abstract

The invention includes a valve body, a spool and a spring. Axial section of the spool is convex and its back-end column is connected with a one-way valve. The front-end valve cavity of the valve body is connected with a one-way valve. There is an air hole and an oil-dividing hole in the valve body. When the invention is working, its character can improve the reliability of the lubricating system.

Description

technical field [0001] The invention relates to a booster valve of a lubricating system for a concrete pump. Background technique [0002] The lubrication system of the concrete pump completes the lubrication protection function of the concrete cylinder piston, distribution valve bearing and seal, mixing device bearing and seal in the concrete pump. The existing lubricating system, one is an automatic lubricating system, which is composed of an automatic grease pump + oil separator + various lubricating point joints and connecting oil pipes; the other is a manual lubricating system, which consists of a manual grease pump + various lubricating point joints and It is composed of connecting oil pipe, or composed of manual grease gun + joints of each lubrication point. The lubricating point joints are made of ordinary pipe joints, check valve joints or grease nipples, none of which have servo booster valves. When the concrete pump works in the high-pressure area, the automatic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B53/18
CPCF04B9/107
Inventor 何扬东
Owner 长沙海亿达机械设备有限公司
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