Concrete distributing valve and concrete pumping mechanism

A technology for concrete pumps and distribution valves, which is applied to conveyors, parts of pumping devices for elastic fluids, pumps, etc., to achieve the effects of easy cleaning, good material feeding, and better suction performance

Inactive Publication Date: 2010-12-15
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The advantage of the S valve is that the high pressure of the system mainly acts on the inner wall of the circular pipe. When working, the entire pipe wall is evenly tensioned and can withstand a large pressure. The working pressure can reach 16MPa or even greater. However, due to the S pipe of the S valve In the hopper, it occupies a certain volume of the hopper, and it will affect the suction of the delivery cylinder

Method used

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  • Concrete distributing valve and concrete pumping mechanism
  • Concrete distributing valve and concrete pumping mechanism
  • Concrete distributing valve and concrete pumping mechanism

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Embodiment Construction

[0033] Between the valve core 2 and the valve body 1 there is a channel communicating with the first material suction port 14 , the second material suction port 15 and the material discharge port 16 .

[0034] Since the distribution valve and the hopper 17 are arranged separately, the use volume of the hopper 17 is increased, the blades of the hopper 17 are stirred more fully, and the feeding port 8 is arranged vertically downward, which is more conducive to feeding, especially for the pumping of coarse aggregate, Better suction performance, no accumulation of material, easy to clean. At the same time, in the process of pumping, because there is a passage between the valve body 1 and the valve core 2 of the distributing valve, which communicates with the first suction port 14, the second suction port 15 and the discharge port 16, a higher Pressure feeding process.

[0035] The side wall of the valve core 2 is provided with a concave annular groove which is in contact with th...

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Abstract

The invention discloses a concrete distribution valve, comprising a valve body and a valve core which is arranged in the valve body. The valve body is provided with a material outlet, a first material suction port and a second material suction port. The valve core is provided with a side opening and a material inlet which is communicated with a concrete material hopper. The valve core can rotate for a certain angle correspondingly to the valve body. When the valve core rotates to a left limit position correspondingly to the valve body, the side opening is communicated with the first material suction port. When the valve core rotates to a right limit position correspondingly to the valve body, the side opening is communicated with the second material suction port. A passage which is communicated with the first material suction port, the second material suction port and the material outlet is arranged between the valve core and the valve body. The invention provides a concrete distribution valve and a concrete pumping mechanism, which has good material suction performance and can meet the pumping requirement.

Description

technical field [0001] The invention relates to a concrete distribution valve and a concrete pumping mechanism, in particular to a concrete distribution valve used for a concrete delivery pump and a concrete pumping mechanism using the concrete distribution valve. Background technique [0002] At present, in the domestic and foreign markets, there are two main types of concrete distribution valves: gate valve and S valve. [0003] The spools of the existing distributing valves (S valve, skirt valve and C valve) are all located outside the valve body. The gate valve is through the up and down movement of the two gates in the distribution valve, so that the delivery cylinder is connected or disconnected sequentially through the distribution valve, the feed port of the hopper and the discharge port of the Y-shaped pipe, so as to realize the suction of concrete. and pumping process. The advantage of the gate valve is that the suction port is located at the bottom of the hoppe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/08F04B15/02F04B53/10B65G53/46
Inventor 梁永交易小刚易秀明李良荣杨新华李永维
Owner SANY AUTOMOBILE MFG CO LTD
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