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Distribution valve, pumping mechanism and concrete pump

A technology of pumping mechanism and distributing valve, which is applied to the components, pumps, and pump components of pumping devices for elastic fluids, can solve the problems of poor suction performance and limited installation position of suction ports, etc. Low cost, low wear and smooth flow channels

Active Publication Date: 2016-08-31
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the object of the present invention is to provide a distributing valve, which can solve the defects in the prior art that the installation position of the suction port is limited and the suction performance is not good.

Method used

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  • Distribution valve, pumping mechanism and concrete pump
  • Distribution valve, pumping mechanism and concrete pump
  • Distribution valve, pumping mechanism and concrete pump

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Embodiment Construction

[0035] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0036] In the present invention, the orientations used are based on the pumping direction, the orientation of the delivery cylinder is "rear", the orientation of the hopper is "front", and the pumping medium is pumped from the back to the front during operation.

[0037] figure 1 Shown is an exploded view of a dispensing valve according to an embodiment of the present invention, Figure 2a and Figure 2b It is a structural schematic diagram of the distribution valve of this embodiment in different orientations. With reference to the above figures, the distributing valve of this embodiment is used in a pumping mechanism including a plurality of delivery cylinders 3, installed in a hopper 5, and...

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Abstract

The invention discloses a distribution valve, a pumping mechanism and a concrete pump. The distributing valve includes a rotating shaft and a valve body fixed to the rotating shaft, the rotating shaft is used to connect the driving device, and the valve body is provided with feeding holes, and the feeding holes are used to make the discharge pipe alternately with the conveying The cylinder is connected, and the valve bodies on both sides of the front end of the feeding hole are provided with blocking surfaces, and the valve bodies on both sides of the rear end of the feeding hole are provided with avoidance surfaces. The invention provides a new type of distributing valve, which can be used to complete continuous pumping operations, and has the advantages of ingenious structure, easy processing and manufacturing, convenient disassembly, good material absorption, and small wear.

Description

technical field [0001] The invention relates to the technical field of pumping and engineering machinery, in particular to a distribution valve and a concrete pump provided with the distribution valve or pumping mechanism. Background technique [0002] The pumping mechanism is the core component of the concrete pump. Through the alternate push and pull actions of two or more main cylinders, it can provide power to transport the concrete to the pouring position. The pumping mechanism is mainly composed of the main oil cylinder, delivery cylinder, water tank, concrete piston, distribution valve, discharge pipe, pull rod and hopper, etc. The distribution valve is located in the hopper, and plays the role of switching the delivery status of two or more delivery cylinders. The role of the discharge pipe is used to alternately communicate with the delivery cylinder. [0003] In actual work, the arrangement and working method of the distribution valve have a great influence on its...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/10F04B15/00
Inventor 张小军王孝平曾海文
Owner SANY AUTOMOBILE MFG CO LTD