A double-ended water stopper device and method for preventing borehole plugging
A technology of water stopper and water device, which is applied in earthwork drilling, sealing/packing, wellbore/well parts, etc. It can solve the problems of unable to push and damage capsules, etc., and achieve the effect of prolonging service life and reducing wear
Active Publication Date: 2022-05-10
NORTH CHINA INST OF SCI & TECH +1
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Problems solved by technology
[0002] In the prior art, when a stainless steel push rod is used to send the double-ended water stopper into the borehole, the rock protruding from the wall of the borehole will be knocked down by the double-ended water stopper and be blocked in front of the double-ended water stopper or Stuck between the double-ended water stopper and the hole wall, as the falling debris and rocks increase, the resistance of the double-ended water stopper will increase, which will cause the double-ended water stopper to push into the borehole. Capsules damaged by inability to push, or protruding rocks
Method used
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[0033] Such as Figure 1-Figure 2 As shown, a double-ended water stopper device for preventing borehole plugging includes a first rubber water stopper 1, a second rubber water stopper 28, a first water injection assembly, a second water injection assembly and a rotating support assembly. The first rubber water stopper 1 and the second rubber water stopper 28 are detachably connected, and the first water injection assembly is arranged between the first rubber water stopper 1 and the second rubber water stopper 28, the second water injection assembly is arranged in the first rubber water stopper 1, and the rotating support assembly is arranged on the surface of the first rubber water stopper 1 and the second rubber water stopper 28, Along the forward direction of the double-ended water stopper in the borehole: the distance between the first rubber water stopper 1 and the borehole entrance is smaller than the distance between the second rubber water stopper 28 and the borehole en...
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The invention discloses a double-ended water plug device for preventing borehole plugging, comprising a first rubber water plug, a second rubber water plug, a first water injection component, a second water injection component and a rotary support component. A rubber water stopper and the second rubber water stopper are detachably connected, and the first water injection assembly is arranged in the first rubber water stopper and the second rubber water stopper. In the present invention, by arranging a rotating support assembly, the universal wheel is directly in contact with the hole wall, so that people can rotate and push the first rubber water blocking device and the second rubber water blocking device into the borehole more quickly, and the universal wheel can reduce the The friction between the first rubber water plug and the second rubber water plug and the inner wall of the drilled hole is small to prevent the rubber capsule on the outer surface of the first rubber water plug and the second rubber water plug from being scratched due to excessive friction. , reducing the wear of the first rubber water blocking device and the second rubber water blocking device, and prolonging the service life of the first rubber water blocking device and the second rubber water blocking device.
Description
technical field [0001] The invention relates to the technical field of water stoppers. Specifically, it is a double-ended water stopper device and method for preventing borehole plugging. Background technique [0002] In the prior art, when a stainless steel push rod is used to send the double-ended water stopper into the borehole, the rock protruding from the wall of the borehole will be knocked down by the double-ended water stopper and be blocked in front of the double-ended water stopper or Stuck between the double-ended water stopper and the hole wall, as the falling debris and rocks increase, the resistance of the double-ended water stopper will increase, which will cause the double-ended water stopper to push into the borehole. Failure to push, or protruding rocks damage the capsule. Contents of the invention [0003] Therefore, the technical problem to be solved by the present invention is to provide a double-ended water stopper device and method for preventing b...
Claims
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IPC IPC(8): E21B33/127E21B47/002
CPCE21B33/127
Inventor 徐斌尹尚先董书宁尹慧超连会青李树霞
Owner NORTH CHINA INST OF SCI & TECH