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Grouter with stirring device and control method of grouter

The technology of a grouting machine and a mixing mechanism is applied in the fields of shaft equipment, earthwork drilling, construction material processing, etc., which can solve the problems of occupying human and material resources, difficult grouting equipment, inconvenient operation, etc., and achieve continuous and uniform mortar and sand grains The effect of wide particle size range and easy movement

Inactive Publication Date: 2015-11-25
张荣斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Shotcrete support can effectively use the strength and self-stabilization ability of rock and soil mass itself, and is one of the most economical and effective methods to improve the stability of rock and soil and solve complex geotechnical engineering stability problems. Shotcrete support is inseparable from grouting technology. Design and construction have higher and higher requirements for anchoring grouting. Various construction "standards" also have strict regulations on grouting pressure and water-cement ratio of cement mortar, which are difficult for general grouting equipment to meet.
Some of the current grouting machines have a single function, are inconvenient to operate, and take up a lot of human and material resources.

Method used

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  • Grouter with stirring device and control method of grouter

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specific Embodiment 1

[0044] like figure 1 Shown:

[0045] The invention discloses a grouting machine with a stirring mechanism 3, comprising a single-screw pump 1 fixed on a frame 2 and a stirring mechanism 3, a hopper is arranged under the stirring mechanism 3, the lower part of the hopper is connected with the single-screw pump 1, and The single-screw pump 1 is located below the stirring structure, and the stirring mechanism 3 is suspended relative to the hopper.

[0046] The single-screw pump 1 is fixed on the front part of the frame 2, and includes a grouting head, a booster part, a feeding part, and a grouting motor connected in sequence, and the feeding part is located below the stirring mechanism 3 and connected to the hopper. The grouting head, booster part, feeding part and grouting motor are connected end to end in sequence. The grouting head includes a bucket-shaped grouting cavity, and a pressure gauge is arranged at the outlet of the grouting head for measuring the grouting pressure...

specific Embodiment 2

[0051] The control system based on the grouting machine with the above-mentioned band stirring mechanism 3 includes:

[0052] The sampling and measuring unit is located inside the mixing mechanism 3 and includes a sampler and a measuring instrument. The sampler is a container with an opening, and the measuring instrument is placed in the sampler for sampling the thick concrete slurry in the mixing mechanism 3;

[0053] Stirring unit comprises stirring mechanism 3, and stirring mechanism 3 comprises the stirring box of top opening, the stirring shaft that is arranged on the middle part of stirring box horizontally, the stirring blade that is connected on the stirring shaft, the stirring motor that is connected at the end of stirring shaft; Stir the mixture of concrete and water in the stirring mechanism 3 to a suitable consistency to achieve the set water-cement ratio W / C;

[0054] The conveying unit includes a single-screw pump 1. The single-screw pump 1 includes a grouting he...

specific Embodiment 3

[0061] The concrete control method based on the above-mentioned embodiment 2 grouting machine control system:

[0062] (1) Mix cement and fine sand with a particle size not greater than 3 mm at a ratio of (1.2-1.6): (2.1-2.8) and put them into the mixing tank, start the power supply unit and control unit, and the control unit Control the water injection valve to fully open and inject water into the mixing tank at a flow rate of (30-35) L / min, and then control the stirring motor to rotate reciprocally at 40-50r / min to make concrete thick slurry in the mixing tank;

[0063] (2) The control unit controls the sampling and measuring unit to extract the slurry of the thick concrete slurry and uses the hydrometer water weighing method to measure, and the measured signal is calculated in the control unit to obtain the water-cement ratio W / C value of the thick slurry;

[0064] (3) When the calculated water-cement ratio W / C is lower than or equal to W / C=(0.5-0.55), the control unit cont...

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Abstract

The invention discloses a grouter with a stirring device and a control method of the grouter. The grouter comprises a single-screw pump and a stirring mechanism which are fixed to a machine frame. A hopper is arranged below the stirring mechanism. The lower portion of the hopper is connected with the single-screw pump. The invention further discloses a control system based on the grouter with the stirring mechanism and an integral control method based on the control system of the grouter. The grouter has the advantages that by means of the Europe and America advanced worm pressurization technology, through the combination of current domestic construction situations, through many years of study and research, by gathering the advantages of similar products, the novel high-pressure thick-paste large-flow anchoring grouting pump with proprietary intellectual property rights is put forward, the strict requirements for the water-cement ratio of mortar and grouting pressure in engineering are met, mortar within a water-cement ratio design range can be easily grouted, and design pressure is reached; meanwhile, the pump can be provided with an ejector, and spray protection construction can be conducted on wall surfaces of a roadway.

Description

technical field [0001] The invention relates to a grouting machine with a stirring mechanism and a control method thereof. Background technique [0002] The existing mixer with a single screw pump conveying mechanism mainly adopts a vertical mixing mechanism, that is, the mixing shaft of the mixer is perpendicular to the ground plane. This vertical mixer has the advantage of small footprint, but due to its feeding height and equipment center of gravity High, thus increasing the working intensity of feeding and reducing the working stability of the equipment. [0003] The water-cement ratio is an important parameter that determines the quality and durability of concrete, so the accurate determination of the water-cement ratio of fresh concrete is of great significance to engineering practice. This paper summarizes and discusses the methods reported in the literature for the determination of the water-cement ratio of fresh concrete. Among them, the microwave method is one of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/02E02D15/02E21D11/10
Inventor 张荣斌
Owner 张荣斌
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