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The Reason of Grout Pump Insufficient Pressure

Insufficient grouting pump pressure may be caused by the following reasons: 1 .Insufficient injection material: This may cause the grouting machine to fail to generate sufficient pressure. Check the inlet for sufficient material and increase the injection material promptly. 2. Worn or damaged ...

September 30, 2025
Precautions for Wet Shotcrete Sprayers

Precautions for Wet Shotcrete Sprayers 1.During the wet shotcrete spraying operation, be careful to prevent long, large metal objects such as bolts and nuts from entering the material chamber, as this could damage the machine. 2.The rotational direction of each drive motor was uniformly adjusted ...

September 27, 2025
How to Judge The Quality of Shotcrete Machine

The quality of a shotcrete machine can be judged by the following factors: Shotcrete quality standards: The quality of shotcrete directly affects the quality of the project, so strict adherence to these standards is essential. For example, the accelerator must be a nationally certified product and ...

September 25, 2025
Stirring Speed of a High-Speed Pulper

The stirring speed of a high-speed pulper should be no less than 1500 rpm. The stirring speed of a high-speed pulper is a crucial factor in ensuring the quality of the slurry. The stirring speed of a high-speed pulper is typically no less than 1500 rpm. This high-speed stirring ensures that the dry ...

September 24, 2025
Two Essential Equipment for Slope Support Shotcreting

Slope protection, foundation pit protection, and tunnel shotcreting require a shotcrete machine and air compressor. Shotcrete machines generally come in dry, damp, and wet sizes. These machines typically require air compressors with a capacity of 13-24 cubic meters. Dry-type wet shotcretes are easy ...

September 17, 2025
How To Choose The Air Compressor For Shotcrete Machine

When selecting an air compressor for a shotcrete machine, consider the following: Type and size of the shotcrete machine: Different types of shotcrete machines (e.g., small or large) require air compressors of varying power. Operating pressure and flow requirements: The air compressor must be able ...

September 17, 2025
Hydraulic Grouting Pump Structure and Principle

A hydraulic grouting pump primarily consists of a mixer, suction and discharge valve assembly, oil cylinder, grouting cylinder, reversing mechanism, oil cooler, oil tank, hydraulic oil pump, electric motor, relief valve, reversing valve, and pressure gauge. The operating principle is as follows: ...

August 30, 2025
shotcrete Robot Assembly

The nozzle mechanism consists of a 360° vertical oscillating cylinder, a 240° horizontal oscillating cylinder, a nozzle brushing arc device, a nozzle base, and the nozzle. The 360° and 240° oscillating cylinders are arranged vertically and crosswise. Their movement allows for precise adjustment of ...

August 30, 2025
Shotcrete Robot Structure and Principle

(1) Basic composition: The spraying manipulator mainly consists of seven parts: crawler chassis, arm system, nozzle mechanism, legs, hydraulic system, electronic control system, and remote control. The manipulator is integrated into the crawler chassis and uses a 7.5KW explosion-proof motor as power...

August 30, 2025
KGJ-250/300 grout mixer

1. Introduction KGJ-250/300 mixer is mainly used to prepare cement slurry media. Together with the grouting pump, it is used for pressure grouting in tunnel excavation and maintenance, mine engineering, construction of dams, foundation treatment of large bridges and high-rise buildings, and various ...

August 30, 2025
Industrial Hose Pump Applicable Industries

The industrial hose pump utilizes a high-quality gear reduction motor, providing powerful power and exceptionally quiet operation. The pump body is sand-molded, with the cavity precisely machined. The internal rotor utilizes a rolling roller system, and the pump cavity is filled with softening fluid...

August 11, 2025
hose pump working principle

KEMING industrial hose pump is composed of pump head, pump shell, squeeze roller, recovery roller, squeeze hose, and driving system. Squeeze roller makes planetary motion along the U shape squeeze hose. When the squeeze roller runs, squeeze hose gets elastic deformation because of extruded force. ...

August 5, 2025
PZ Series Shotcrete Machine

The PZ concrete spraying machine uses compressed air to transport concrete mixture or similar loose materials with particles in a certain ratio through a pipeline, and then controls the addition of water and mixing at the port, and then sprays it at high speed onto the sprayed surface to solidify ...

July 16, 2025
The Grouting Mixer Machine

The grouting mixer machine is mainly used to mix cement slurry and other similar slurries that need to be mixed vigorously in advance. It is used in conjunction with the grouting machine for pressure grouting construction in railway and highway construction, mining, hydropower engineering, thermal ...

July 16, 2025
Mortar Pump Introduction

The mortar pump is a single-cylinder single-acting piston mortar delivery pump with the advantages of compact structure, reliable operation, low failure rate, easy cleaning and maintenance, and high pumping pressure. It is mainly used for mortar delivery and injection in tunnel excavation and ...

July 16, 2025
Shotcrete machine maintenance

Shotcrete machine maintenance: 1. After finishing the spraying operation every day, daily maintenance must be carried out.2. Check for water leakage, oil leakage, and electric leakage. If there is any leakage, eliminate it in time.3. Check whether the oil (diesel, oil, engine oil), water volume, and ...

July 14, 2025

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