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CN-116877048-B - Measurement while drilling system convenient to equipment operation

CN116877048BCN 116877048 BCN116877048 BCN 116877048BCN-116877048-B

Abstract

The invention relates to the technical field of geological survey, in particular to a measurement while drilling system convenient for assembly operation, which aims at the problem of inconvenient disassembly and assembly of a measuring instrument in a measuring nipple of a measuring system in the prior art, and provides a scheme which comprises ground equipment, a drill rod and the measuring nipple arranged on the drill rod, the measuring nipple comprises a shell, a base fixed on the inner wall of one side of the shell and a measuring instrument arranged on the base, an operation opening is formed in the outer wall of the shell, a detachable sealing cover is arranged in the operation opening, the measuring instrument comprises a protective shell and a measuring assembly arranged in the protective shell, and the protective shell is arranged on the base. The invention not only can realize the disassembly and assembly of the measuring instrument by utilizing the air pressure, but also greatly facilitates the operator to open the sealing cover under the condition that the slurry outside the measuring nipple is solidified, thereby reducing the operation difficulty and saving the time.

Inventors

  • SONG LEIZHEN
  • LV DONGFANG

Assignees

  • 淮南联合大学(安徽广播电视大学淮南分校淮南职工大学)

Dates

Publication Date
20260508
Application Date
20230302

Claims (8)

  1. 1. The measurement while drilling system is characterized in that the measurement nipple comprises a shell, a base fixed on one side inner wall of the shell and a measuring instrument mounted on the base, an operation port is formed in the outer wall of the shell, a detachable sealing cover is mounted in the operation port, the measuring instrument comprises a protective shell and a measuring component mounted in the protective shell, the protective shell is placed on the base, a plurality of material fixing components used for fixing the protective shell are movably mounted on the outer wall of one side of the protective shell, the material fixing components are arranged around the protective shell, a groove is formed in one side of the base fixedly connected with the inner wall of the shell, a plurality of second air cylinders are mounted in the groove, one ends of the telescopic parts of the second air cylinders are respectively in transmission connection with the material fixing components and used for driving the second air cylinders to move, two auxiliary mechanisms used for driving the first telescopic parts of the second air cylinders to be respectively arranged on two sides of the operation port and used for jacking the sealing cover are mounted in the outer wall of the shell; The auxiliary mechanism comprises a first cylinder rotationally connected to the inner wall of one side of the shell, which is provided with an operation port, a mounting plate movably connected to the inner wall of the other side of the shell through a connecting piece, and a third cylinder mounted on the inner wall of the side and used for driving the mounting plate to move, wherein one end of a telescopic part of the first cylinder is fixed with a fixed ball, one end of a fixed part of the first cylinder is hinged with a connecting rod, the other end of the connecting rod is hinged with the outer wall of the mounting plate, an abutting plate is fixed on the mounting plate, the auxiliary mechanism further comprises an inflation assembly mounted on the base and used for inflating the first cylinder to drive the telescopic part of the first cylinder to stretch out and draw back, the abutting plate is matched with the inflation assembly, and a second gas transmission pipe used for driving the telescopic part of the third cylinder to stretch out and draw back is mounted on the shell.
  2. 2. The measurement while drilling system for facilitating assembly operations of claim 1, wherein the material fixing component comprises a moving block slidingly connected to the outer wall of the base through a sliding connection piece and a clamping plate arranged on the moving block through an elastic piece, a connecting groove for installing the sliding connection piece is formed in the surface of the base, the sliding connection piece comprises a limiting rod fixed in the connecting groove and a sliding block movably sleeved outside the limiting rod, one end of the sliding block is fixedly connected with the outer wall of one side of the moving block, and the other end of the sliding block extends into the groove and is fixedly connected with one end of the telescopic part of one cylinder II.
  3. 3. The measurement while drilling system convenient for assembly operation according to claim 2, wherein the moving block is provided with a buffer hole on the outer wall of one side close to the clamping plate, the elastic piece comprises a buffer column movably arranged in the buffer hole and a first spring fixed on the inner wall of one side of the buffer hole, one end of the buffer column is fixedly connected with one end of the first spring, the other end of the buffer column extends to the outside of the buffer hole and is fixedly connected with the outer wall of the clamping plate, a plurality of clamping blocks are fixed on the outer wall of one side, far away from the buffer column, of the clamping plate, a clamping hole matched with the clamping blocks is formed in the outer wall of the protective shell of the measuring instrument, and a plurality of positioning blocks are fixed on one side, fixedly connected with the buffer column, of the clamping plate.
  4. 4. The measurement while drilling system convenient for assembly operation according to claim 1, wherein the inflation assembly comprises a piston cylinder fixed on the outer wall of the base, a piston plate movably mounted in the piston cylinder, a sealing ring sleeved on the outer ring of the piston plate, and a piston rod fixedly connected on the outer wall of the piston plate on one side of the piston plate facing the opening, the opening of the piston cylinder is arranged towards the abutting plate, a limiting ring is fixed in the opening, a positioning plate and a spring II are movably sleeved outside one end of the piston rod extending out of the piston cylinder, one end of the positioning plate is fixed on the outer wall of the base, the spring II is positioned on one side of the positioning plate far away from the piston cylinder, a spring clamping block is sleeved outside the piston rod, the spring II is abutted between the spring clamping block and the positioning plate, the bottom of the abutting plate is of a right triangle structure, the triangle inclined surface faces one side close to the piston cylinder, one end of the piston rod positioned outside the piston cylinder is abutted against the triangle inclined surface, and the piston cylinder I is communicated through a connecting pipe for conveying air in the piston cylinder to the cylinder I when air in the piston cylinder is extruded.
  5. 5. The measurement while drilling system convenient for assembly operation according to claim 1, wherein the housing is provided with a chute on the inner wall of the mounting plate, the connecting piece comprises a loop bar fixed in the chute, a sliding sleeve and a spring III movably sleeved outside the loop bar, one end of the sliding sleeve is fixedly connected with the outer wall of the mounting plate, one end of the spring III is fixedly connected with the outer wall of the sliding sleeve, and the other end of the spring III is fixedly connected with the inner wall of one side of the chute.
  6. 6. The measurement while drilling system convenient for assembly operation according to claim 1, wherein a fixed pipe is installed in the groove, the fixed pipe is communicated with the second cylinders through pipelines, one end of the first gas pipe extends into the groove to be communicated with the fixed pipe, a one-way valve and a first gas release pipe are installed on the first gas pipe, a gate valve is installed on the first gas release pipe, the first gas release pipe and the one-way valve are both positioned outside the shell, the first gas release pipe is positioned between the one-way valve and the fixed pipe, the third cylinders in the two auxiliary mechanisms are communicated through branch pipes, one end of the second gas pipe extends into the shell and is communicated with the branch pipes, the second gas pipe is provided with the one-way valve and the second gas release pipe, the second gas release pipe and the second gas release valve are both positioned outside the shell, and the second gas release pipe is positioned between the second one-way valve and the third cylinder.
  7. 7. The measurement while drilling system convenient for assembly operation according to claim 6, wherein the top edge of the operation port is provided with a fixing groove for fixing the sealing cover, the inner ring of the operation port is provided with a mounting groove, a hollow sealing ring is mounted in the mounting groove, the inner ring of the sealing ring extends into the operation port, and the sealing ring is communicated with the fixing pipe through a second connecting pipe.
  8. 8. The measurement while drilling system for facilitating assembly operations of claim 1, wherein the side of the housing on which the first gas pipe and the second gas pipe are mounted is fixedly provided with a mounting pipe and a connecting cap, the connecting cap is positioned inside the mounting pipe and coaxially arranged with the mounting pipe, and the inner ring of the mounting pipe and the inner ring of the connecting cap are both provided with internal threads.

Description

Measurement while drilling system convenient to equipment operation Technical Field The invention relates to the field of geological survey, in particular to a measurement while drilling system convenient for assembly operation. Background In geological surveying, ensuring the accuracy of survey data and being able to adjust the attitude at any time according to the drilling situation is a technical gist of the drilling engineering. The measurement while drilling system in the prior art generally comprises surface equipment and underground measurement equipment, wherein a measuring instrument of the underground measurement device is mainly arranged in a measurement nipple, and after measurement is finished, the measurement equipment in the inner space of the measurement nipple is required to be taken out for data analysis. At present, because the inside space of measurement nipple joint among the prior art is comparatively narrow and small, inconvenient use is supplementary dismouting of more appurtenance to can appear more troublesome when leading to dismouting measuring instrument, for this reason, this scheme has provided a measurement while drilling system convenient to equipment operation. Disclosure of Invention The measurement while drilling system convenient for assembly operation solves the problem that a measuring instrument in a measuring short section of a measuring system in the prior art is inconvenient to assemble and disassemble. In order to achieve the above purpose, the present invention adopts the following technical scheme: The measurement while drilling system comprises ground equipment, a drill rod and a measurement nipple mounted on the drill rod, wherein the measurement nipple comprises a shell, a base fixed on the inner wall of one side of the shell and a measurement instrument mounted on the base, an operation port is formed in the outer wall of the shell, a detachable sealing cover is mounted in the operation port, the measurement instrument comprises a protection shell and a measurement assembly mounted in the protection shell, the protection shell is placed on the base, a plurality of material fixing components used for fixing the protection shell are movably mounted on the outer wall of one side of the protection shell, the material fixing components are arranged around the protection shell, a groove is formed in one side of the base fixedly connected with the inner wall of the shell, a plurality of second air cylinders are mounted in the groove, one ends of the telescopic parts of the second air cylinders are respectively in transmission connection with the material fixing components so as to drive the second air cylinders to move, and two auxiliary mechanisms used for jacking the sealing cover are mounted on the outer wall of the shell and are respectively arranged on two sides of the operation port; The auxiliary mechanism comprises a first cylinder rotationally connected to the inner wall of one side of the shell, which is provided with an operation port, a mounting plate movably connected to the inner wall of the other side of the shell through a connecting piece, and a third cylinder mounted on the inner wall of the side and used for driving the mounting plate to move, wherein one end of a telescopic part of the first cylinder is fixed with a fixed ball, one end of a fixed part of the first cylinder is hinged with a connecting rod, the other end of the connecting rod is hinged with the outer wall of the mounting plate, an abutting plate is fixed on the mounting plate, the auxiliary mechanism further comprises an inflation assembly mounted on the base and used for inflating the first cylinder to drive the telescopic part of the first cylinder to stretch out and draw back, the abutting plate is matched with the inflation assembly, and a second gas transmission pipe used for driving the telescopic part of the third cylinder to stretch out and draw back is mounted on the shell. Through the technical scheme, the disassembly and assembly of the measuring instrument can be realized by utilizing air pressure, and the sealing cover is conveniently opened under the condition that the slurry outside the measuring nipple is solidified by an operator, so that the operation difficulty is reduced, and the time is saved. As a further improvement of the scheme, the material fixing component comprises a moving block and a clamping plate, wherein the moving block is connected to the outer wall of the base in a sliding mode through a sliding connection piece, the clamping plate is arranged on the moving block through an elastic piece, a connecting groove for installing the sliding connection piece is formed in the surface of the base, the sliding connection piece comprises a limiting rod fixed in the connecting groove and a sliding block movably sleeved outside the limiting rod, one end of the sliding block is fixedly connected with the outer wall of one side of the moving block, and the oth