Pipe jacking machine drill bit mechanism for water conservancy pipeline construction and construction method
A technology of pipeline construction and pipe jacking machine, which is used in tunnels, earth-moving drilling, mining equipment and other directions to ensure the cooling effect, improve the pipeline construction efficiency, and ensure the effect of mud discharge.
Pending Publication Date: 2021-08-10
陈卫
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] see Figure 1-4, a pipe jacking machine drill mechanism for water conservancy pipeline construction, comprising a front end casing 1, one side of the inner cavity of the front end casing 1 is fixedly fitted with a positioning support plate 2, and a power chassis is fixedly installed on the side of the positioning support plate 2, and the power chassis There is a drive motor inside, and the output shaft of the drive motor is fixedly connected to the link...
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The invention relates to the field of water conservancy pipeline construction equipment, and discloses a pipe jacking machine drill bit mechanism for water conservancy pipeline construction, which comprises a front-end machine shell, one side of an inner cavity of the front-end machine shell is fixedly sleeved with a positioning support plate, and one side of the positioning support plate is provided with a rotatable linkage rotating shaft. The linkage rotating shaft is driven by a driving motor arranged on one side of the positioning supporting plate to rotate, and the end, away from the positioning supporting plate, of the linkage rotating shaft is fixedly sleeved with a cutterhead located on the outer side of the front-end machine shell. Through the structural design that the sludge discharge cavity and the water inlet cavity which are sealed and separated by the balance sleeve plate in the front-end machine shell are matched with the movable sleeve moving along with the balance sleeve plate, after the inlet of the notch is blocked by mud blocks, cooling water flows from the inner side of the notch to the outer side of the notch, and the mud blocks blocked at the inlet of the outer side of the notch are flushed away. Therefore, the cooling effect and the mud discharging effect of the alloy drill bit are ensured, and the problem that the efficiency of a pipe jacking machine drilling tunneling project is reduced due to the fact that mud blocks are blocked at a notch inlet is effectively solved.
Description
technical field [0001] The invention relates to the field of water conservancy pipeline construction equipment, in particular to a drill bit mechanism of a pipe jacking machine for water conservancy pipeline construction and a construction method. Background technique [0002] The pipe jacking machine is a commonly used equipment for underground pipeline construction in water conservancy projects. The drill bit of the pipe jacking machine is used to drill the hole, and the hydraulic cylinder is used to withstand the pipe jacking machine and the pipeline to excavate together, so that the pipeline is connected to two places. , continuous water supply is required to cool down the alloy drill bit on the cutterhead at the head end of the pipe jacking machine, and at the same time, the water flow will take out the mud blocks generated in the drilling hole, and the head end of the pipe jacking machine is generally equipped with a crushing mechanism to crush the mud blocks to prevent...
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Login to View More IPC IPC(8): E21D9/11E21D9/12E21F17/00
CPCE21D9/11E21D9/12E21F17/00
Inventor 不公告发明人
Owner 陈卫