Underwater pressure pipeline tapping machine
A technology for pressure pipelines and drilling machines, which is applied in the direction of boring/drilling, drilling/drilling equipment, parts of boring machines/drilling machines, etc., and can solve the problem of inability to directly observe the drilling depth of the pipeline drilling machine and poor visibility , inconvenient use and other problems, to achieve the effect of preventing equipment damage, simplifying the structure, and reducing the number of oil pipes
Inactive Publication Date: 2009-04-01
CHINA NAT OFFSHORE OIL CORP +2
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Problems solved by technology
[0003] The traditional pipe drilling machine can be barely used when drilling on land, but when the pipeline drilling operation is carried out underwater, due to the poor visibility underwater, it is generally impossible to directly observe the drilling of the pipeline drilling machine Therefore, there is a need for a drilling machine that reaches the set drilling depth and can automatically stop drilling to meet the requirements of underwater drilling operations.
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[0022] like figure 1 , figure 2 As shown, it is a kind of underwater pressure pipeline drilling machine provided by the present invention, which includes:
[0023] A casing 1. A main shaft 2 and a main shaft sleeve 3 are arranged in the center of the casing 1 in the axial direction. The main shaft 2 and the main shaft sleeve 3 are connected by a feather key. The screw nut 21, the upper part of the main shaft 2 is provided with a lead screw 22;
[0024] The upper part of the housing 1 is provided with a main transmission box 11, a main drive motor 12 is arranged in the main transmission box, and at least one set of transmission gears is arranged between the main drive motor 12 and the main shaft sleeve 3;
[0025] The rotation of the spindle sleeve 3 makes the above-mentioned lead screw 22 rotate after being transmitted by the lead screw drive assembly, and the rotational speed of the lead screw 22 is different from the rotational speed of the spindle sleeve 3;
[0026] A s...
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The invention discloses an opening machine of underwater pressure pipe, which comprises the following parts: case, whose center consists of main shaft and sleeve along axial direction with sliding key connecting between main shaft and sleeve, wherein one filament nut is set in the center of top of main shaft, the feed screw pierces the upper part of main shaft, which mates the filament nut, positive driving box on the case, which contains positive driving motor with at least one group of driving gear between main driving motor and sleeve, wherein the sleeve rotates to drive the feed screw with the rotary speed different from sleeve rotary speed, the staff gauge component is set on the lateral part of case.
Description
technical field [0001] The invention relates to a pipe drilling machine, in particular to an underwater pipe drilling machine which can set the drilling depth and automatically stops drilling when the set drilling depth is reached. Background technique [0002] At present, the feeding depth of the pipe drilling machine is mainly indicated by a scale rod or instrument. The operator judges the drilling depth of the pipe drilling machine according to the read indication value. When the hole drilling machine reaches the required drilling depth, the operator needs to operate the pipe drilling machine and stop drilling. [0003] The traditional pipe drilling machine can be used reluctantly when drilling on land, but when the pipeline drilling operation is carried out underwater, due to the poor underwater visibility, it is generally impossible to directly observe the drilling of the pipe drilling machine. Therefore, a drilling machine that can automatically stop drilling to reach...
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IPC IPC(8): B23B41/08B23B47/14B23B49/00
Inventor 喻重山房晓明张宏赵宏林喻开安潘东民曾鸣刘忠陈应华高峰马洪新薛建军
Owner CHINA NAT OFFSHORE OIL CORP