PHC tubular-pile internal-expansion-type cutting equipment and using method thereof

A PHC pipe pile and cutting equipment technology, applied in metal processing and other directions, can solve the problems of increasing the difficulty of earthwork excavation, affecting the overall quality of the project, affecting the quality of the pile body, etc. Effect

Active Publication Date: 2017-10-10
福建建中建设科技有限责任公司
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AI Technical Summary

Problems solved by technology

The existing outer ring pipe pile cutting process is limited by the uneven excavation depth of the earthwork and the height of the pipe piles. The cutting of the pipe piles needs to be repeated many times, which is time-consuming and laborious. The risk of pipe pile damage seriously affects the quality of the pile body, which in turn affects the overall quality of the project

Method used

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  • PHC tubular-pile internal-expansion-type cutting equipment and using method thereof
  • PHC tubular-pile internal-expansion-type cutting equipment and using method thereof
  • PHC tubular-pile internal-expansion-type cutting equipment and using method thereof

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] see Figure 1-3 , PHC pipe pile internal expansion cutting equipment, including a rotary drive mechanism 1, a double casing tool holder 2 and a cutter head 3; one end of the double casing cutter holder 2 is connected to the rotary drive mechanism 1, and the other end is connected to the cutter head 3; Sleeve tool rest 2 comprises inner knife rest bar 21 and outer knife rest pipe 22 that are installed inside and outside, and the length of inner knife rest bar 21 is adjustable; Cutter head 3 includes connecting pipe 31, several blades 32 and a hinged body 33; The upper end of 31 is fixedly connected with the lower end of the outer knife holder pipe 22 and its interior is connected with each other. The pressure plate 34 that can slide up and down, the vertical transmission rod 35, the vertical transmission rod 35, and the sleeve on the tr...

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Abstract

The invention relates to PHC tubular-pile internal-expansion-type cutting equipment and a using method thereof. The PHC tubular-pile internal-expansion-type cutting equipment comprises a rotation driving mechanism, a double-sleeve-tube tool post and a tool bit. One end of the double-sleeve-tube tool post is connected with the rotation driving mechanism, the other end of the double-sleeve-tube tool post is connected with the tool bit, the double-sleeve-tube tool post comprises an inner tool post rod and an outer tool post tube which sleeves the inner tool post rod, and the length of the inner tool post rod is adjustable. According to the PHC tubular-pile internal-expansion-type cutting equipment, cutting of tubular piles before an earthwork is excavated can be achieved, so that the influence of the lateral pressure of earthwork excavation on the tubular piles is avoided fundamentally, perturbation of earthwork excavation on the tubular piles is avoided, and the engineering quality is ensured; and the tool bit integrates the four functions of hole drilling in a soil layer, inner hole deslagging, cutting-off at a fixed point and tool retracting through inward contraction, using is convenient, and the practicability is high.

Description

technical field [0001] The invention relates to a PHC pipe pile internal expansion cutting device and a using method thereof, belonging to the field of construction machinery. Background technique [0002] With the development of the construction industry at home and abroad, high-rise super-high-rise has become the mainstream. PHC pipe pile foundation is widely used in the foundation construction of high-rise buildings because of its high bearing capacity and many advantages such as uniform settlement. Pile foundation construction is an important link in building construction, and its construction quality has decisive significance for the overall performance of buildings. At present, the main quality problems in the construction technology of PHC pipe piles are pile position offset, inclination, and fracture. The existing outer ring pipe pile cutting process is limited by the uneven excavation depth of the earthwork and the height of the pipe piles. The cutting of the pipe ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D1/25B26D7/26B26D7/00
CPCB26D1/25B26D7/00B26D7/2614B26D7/2628
Inventor 李洪强何文林蔡宁建荀名红付兵
Owner 福建建中建设科技有限责任公司
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