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Gas extrusion sealing device of tube-sinking cast-in-place pile machine

A technology of immersed tube grouting piles and sealing devices, which is applied in the direction of sheet pile walls, buildings, and foundation structure engineering, etc. It can solve problems such as unsatisfactory use effects, aging gas valve structures, and unstable performance, achieving high fullness and ensuring Density, the effect of avoiding repeated reshaping

Pending Publication Date: 2020-07-31
陈清贵
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continuous application and promotion of the gas valve in the actual working process, it will be found that because the structure of the gas valve is too old and single, it is difficult to adapt to the ever-changing construction environment, and it is often unstable during the construction process. The problem that the effect is not ideal, waiting to be optimized

Method used

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  • Gas extrusion sealing device of tube-sinking cast-in-place pile machine
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  • Gas extrusion sealing device of tube-sinking cast-in-place pile machine

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] The invention provides a gas push sealing device for an immersed tube grouting pile machine, please refer to figure 1 , including a valve body 1, a cover plate 2, a control mechanism 3 and a gas booster mechanism 4, the valve body 1 is provided with a valve cavity 11 inside, and the valve cavity 11 is provided with an air intake passage 12, such as figure 2 and image 3 As shown, the air intake channel 12 communicates with the gas booster mechanism 4 through a pipeline, and an interface 13 is provided below the valve cavity 11, and the interface 13 is used for sealing connection with the construction steel pipe 5, and a feed inlet is provided above the valve cavity 11 14. The cover plate 2 is placed in the valve cavity 11, and is rotated to be installed on the feed port 14, and the feed port 14 can be used as a passage for feeding an...

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Abstract

The invention discloses a gas extrusion sealing device of a tube-sinking cast-in-place pile machine. The gas extrusion sealing device of the tube-sinking cast-in-place pile machine comprises a valve body, a cover plate, a control mechanism and a gas supercharging mechanism, wherein a valve cavity is arranged in the valve body, an air inlet channel is formed in the valve cavity, the air inlet channel communicates with the gas supercharging mechanism through a pipeline, an interface is formed below the valve cavity, the interface is used for sealing connection of construction steel pipes, a feeding port is formed above the valve cavity, the cover plate is arranged in the valve cavity and rotationally arranged at the feeding port, and the control mechanism drives the cover plate to rotationally open or seal the feeding port in the valve cavity. According to the gas extrusion sealing device of the tube-sinking cast-in-place pile machine, the structure is simple, when a bottom pile is rammed and expanded, the gas supercharging mechanism inputs high-pressure gas from the air inlet channel to enable the valve cavity to be filled with the high-pressure gas, the high-pressure gas can continuously push the cover plate upwards, so that the feeding port is more tightly closed by the cover plate, the air tightness of the whole device is improved, the pile forming quality is high, and the construction convenience and the construction efficiency are greatly improved.

Description

technical field [0001] The invention relates to a tube-immersed pile machine, in particular to a gas pushing and sealing device for a tube-immersed pile machine. Background technique [0002] The existing prior document CN201120139726.5 discloses a counterpressure device for tamping and expanding bottom piles of an immersed pipe grouting pile machine. The backpressure device includes a gas valve and a gas booster device. The gas valve is provided with an air inlet Valve, air outlet valve and valve control device, ...the inlet valve and the air outlet valve can be two independent valves, or a three-way valve. One interface of the three-way valve is connected to the gas booster device through a pipeline. The other interface communicates with the airtight chamber, and the other interface communicates with the atmosphere. However, with the continuous application and promotion of the gas valve in the actual working process, it will be found that because the structure of the gas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/44E02D15/04
CPCE02D5/44E02D15/04
Inventor 陈清贵
Owner 陈清贵
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