- DW:
- 1.6米
- DN:
- 2.5米
- DWX:
- 1.6米
Series of single-piece hydraulic props for mining, single-piece hydraulic props for mining, suspended single-piece hydraulic props
Series of single-piece hydraulic props for mining, use: series of single-piece hydraulic props for mining Matched with metal hinged roof beams or column caps, it can be used for large-inclined coal seams with a height of less than 1.0 meters and gently inclined coal seam mining working faces where the roof pressure of the working face is not large. It can be used for supporting the end part of the working face along the groove. If the roof is unstable or broken, it can be temporarily used as a supporting support near the coal wall.
The structure and working principle of the series of mining single hydraulic props: the prop is an external liquid supply prop with a cylinder diameter of ∮3. The prop mainly consists of an oil cylinder, a movable column, a piston, a top cover, a base, a return spring, a rubber seal, It is composed of three-purpose valve and other parts. The single hydraulic prop for mining uses the working surface pump station to inject water into the column through the three-way valve to raise the living column. Its top cover is in contact with the top beam to maintain a certain initial support pressure, so that the single column is in a supporting position. protection work status. When the pressure on the roof of the working surface suddenly increases and exceeds the rated working resistance of the single column, the safety valve in the three-way valve will automatically open and discharge to ensure that the single column is constant within the rated working resistance range, so that the roof pressure is evenly distributed around it. On a single column, the working surface support is safe and reliable. When it is necessary to move the column, just turn the loading handle, and the working fluid in the column will be discharged through the loading valve of the three-way valve, and the movable column will descend under the action of the internal return spring.
Application range of series mining single hydraulic props: This prop can be widely used in gently inclined, inclined and sharply inclined coal seams where the roof pressure is not strong. The living column coating of the pillar adopts galvanizing phosphating and passivation process and can be used for There are two types of pillar bases for gun mining and mechanical mining working surfaces: ∮ and ∮. For soft bottom plates, a base with ∮ or a larger area should be used. When the inclination angle is large, such as more than 3 degrees, in order to prevent the pillars from falling, they should be equipped when setting up. The pillar tie rods are used to make adjacent pillars pull each other and softly connect each other laterally, while ensuring the safety of the return pillar
Coal mining equipment, single hydraulic pillar, series of high quality, manufacturer production, external injection type single hydraulic pillar, internal injection type single hydraulic pillar Single body hydraulic prop, suspended single hydraulic prop, Zibo Taili Machinery Manufacturing, welcome to buy
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Contact person: Manager Ma
Zibo Taili Machinery Manufacturing Co., Ltd.< br/>