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A control method for a wet spray machine

A control method and technology of wet spraying machines, which are applied to the processing of building materials, construction, building construction, etc., can solve problems such as failure to work normally, failure of swing cylinders to move, and failure to switch transmission channels normally.

Active Publication Date: 2021-04-02
江西鑫通机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, when the hopper is filled with concrete, the resistance of the swing cylinder will be greater than that of the conveying cylinder, and the hydraulic oil will flow to the conveying cylinder first, causing the swing cylinder to fail to move, so that the conveying channel cannot be switched normally, and the work of the conveying cylinder can only drive the concrete in the hopper rollover, i.e. not working

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0030] The present invention will be further described below through specific embodiments, but the present invention is not limited to the following specific embodiments.

[0031] The wet spray machine includes two conveying cylinders, respectively the first conveying cylinder and the second conveying cylinder, two swing cylinders, respectively the first swing cylinder and the second swing cylinder, and a hydraulic oil pump, and the first conveying cylinder, the second conveying cylinder The second delivery cylinder, the first swing cylinder and the second swing cylinder are all equipped with control valves, which are used to control the on-off of the hydraulic oil pump and the oil circuit between them;

[0032] The main function of the two conveying cylinders is to provide power, and the main function of the two swing cylinders is to switch the conveying channel, which is the same as the prior art. This application does not change the physical structure of the wet spraying mac...

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Abstract

The invention relates to the technical field of wet spray machines, in particular to a control method of a wet spray machine. The wet spray machine comprises a first conveying cylinder, a second conveying cylinder, a first swinging cylinder and a second swinging cylinder, and each cylinder is provided with a control valve. The control method comprises the following steps of closing a control valveof a conveying pump before a conveying cylinder works, and after the conveying cylinder firstly works for a period of time, controlling the conveying cylinder to work. By means of the method, normalwork can be done through one hydraulic oil pump.

Description

technical field [0001] The invention relates to the technical field of wet spraying machines, in particular to a control method for wet spraying machines. Background technique [0002] The conveying system of the wet spray machine is composed of four oil cylinders: the first conveying cylinder, the second conveying cylinder, the first swing cylinder and the second swing cylinder. The function of the swing cylinder is to switch the conveying channel, and the function of the conveying cylinder is to provide power output. It is necessary to cooperate with the swing cylinder and the conveying cylinder to achieve the purpose of forward pumping (conveying concrete from the hopper to the conveying pipe) or reverse pumping (back pumping from the conveying pipe to the hopper). [0003] The wet spraying machine is powered by the engine. For cost considerations, the delivery cylinder and the swing cylinder of the concrete delivery system share a hydraulic oil pump. As a result, when t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/04
CPCE04G21/04
Inventor 杨浩孙崇君朱志民王征峥王浩权
Owner 江西鑫通机械制造有限公司