CN112943220B - Monitoring device for stratum well wall freezing profile - Google Patents

Monitoring device for stratum well wall freezing profile Download PDF

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Publication number
CN112943220B
CN112943220B CN202110234235.7A CN202110234235A CN112943220B CN 112943220 B CN112943220 B CN 112943220B CN 202110234235 A CN202110234235 A CN 202110234235A CN 112943220 B CN112943220 B CN 112943220B
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groove
threaded
main board
worm
fixedly connected
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CN112943220A (en
Inventor
赵丽霞
姚直书
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Anhui University of Science and Technology
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Anhui University of Science and Technology
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Priority to CN202110234235.7A priority Critical patent/CN112943220B/en
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Priority to LU500431A priority patent/LU500431B1/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/06Measuring temperature or pressure
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00Sinking shafts
    • E21D1/10Preparation of the ground
    • E21D1/12Preparation of the ground by freezing
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/10Geothermal energy

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention relates to the technical field of monitoring devices, in particular to a monitoring device for the freezing profile of a stratum well wall, which comprises a supporting main board, wherein a second through groove is formed in the supporting main board, two connecting plates are fixedly connected in the second through groove, two ends of the two connecting plates respectively extend to the outer parts of the second through groove, two rotating shafts are rotatably connected between the two connecting plates and are respectively positioned at two sides of the supporting main board, first gears are fixedly connected to the outer parts of the two rotating shafts, rotating columns are rotatably connected in the second through groove, two ends of each rotating column are respectively in transmission connection with the two rotating shafts, a load ring is sleeved outside the supporting main board, an inner gear is fixedly connected to the inner wall of the load ring and meshed with the two first gears, and a shooting device and a thermometer are arranged on the outer sides of the load ring. The invention achieves the purposes of shooting and observing the external situation of the well wall freezing and measuring the environmental temperature while measuring the firmness of the well wall freezing.

Description

Monitoring device for stratum well wall freezing profile
Technical Field
The invention relates to the field of monitoring devices, in particular to a monitoring device for a freezing profile of a stratum well wall.
Background
The freezing method is one of the most main well drilling methods in water-containing and unstable stratum, the more common artificial stratum freezing method is an indirect salt solution refrigeration method, namely the salt solution is cooled by a refrigerator, the more common artificial stratum freezing method is an indirect salt solution refrigeration method, namely the salt solution is cooled by the refrigerator and then is used as a refrigerant to circulate in a pipeline buried in the rock-soil body, and the low-temperature salt solution exchanges heat with the rock-soil body to freeze most of water in the surrounding rock-soil body, so that the strength and stability of the rock-soil body are effectively enhanced, the deformation is reduced, the groundwater is isolated, and the shaft digging construction is carried out under the protection of a freezing wall until the shaft construction of a freezing section is completed.
In order to facilitate observation of the freezing condition of the stratum well wall, the invention provides a monitoring device for the freezing profile of the stratum well wall.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a monitoring device for a freezing profile of a stratum well wall.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a monitoring devices of stratum wall of a well freeze profile, includes the support mainboard, set up the second through groove on the support mainboard, two connecting plates of fixedly connected with in the second through groove, two the both ends of connecting plate all extend to the outside in second through groove respectively, two rotate between the connecting plate and be connected with two pivots, two pivots are located the both sides of support mainboard respectively, two the outside of pivot all fixedly connected with first gear, the second through groove is rotated and is connected with the spliced pole, the both ends of spliced pole extend to the outside in second through groove respectively and are connected with two pivots transmission respectively;
the outer part of the support main board is sleeved with a load ring, the load ring is positioned between the two connecting plates, an inner gear is fixedly connected to the inner wall of the load ring, the inner gear is sleeved on the outer parts of the two first gears and meshed with the two first gears, and a shooting device and a thermometer are arranged on the outer side of the load ring;
the support main board is provided with a first through groove, two first threaded rods are arranged in the first through groove, two ends of each first threaded rod extend to the outside of the corresponding first through groove respectively, each first threaded rod is in sliding connection with the corresponding first through groove, one ends, far away from each other, of each first threaded rod are fixedly connected with a limiting rod, two sides of the support main board are fixedly connected with L-shaped fixing plates respectively, and each limiting rod is in sliding connection with each L-shaped fixing plate respectively;
the outside equal threaded connection of two first threaded rods has the worm wheel, two the turbine all is located first logical groove, first logical groove rotation is connected with the worm, the worm meshes with two turbines mutually, the one end of worm extends to in the second through groove and passes the connecting plate, the one end and the rotation post of worm are connected through bevel gear transmission, the worm rotates with the connecting plate and is connected.
Further, the outer parts of the two first threaded rods are respectively sleeved with a threaded sleeve, the two threaded sleeves are respectively positioned on two sides of the support main board far away from the L-shaped fixing plate and are fixedly connected with the support main board, the outer parts of the two first threaded rods are respectively sleeved with a hollow threaded column, the two hollow threaded columns are respectively connected with the two first threaded rods in a rotating mode, the inner parts of the two threaded sleeves are respectively provided with an internal thread, and the two hollow threaded columns are respectively connected with the two threaded sleeves in a threaded mode;
two the equal fixedly connected with drill bit of hollow screw thread post one end that keeps away from each other, two the one end that first threaded rod kept away from each other all is equipped with pressure sensor, two the drill bit all cooperatees with pressure sensor respectively.
Further, a servo motor is arranged on the support main board, and one end of the worm extends to the outside of the first through groove and is in transmission connection with one end of an output shaft of the servo motor.
Further, one end of the support main board far away from the servo motor is provided with a cylinder, and the extension end of the cylinder is fixedly connected with the support main board.
Further, limiting rings are arranged on two sides of the worm wheel respectively, and the limiting rings are sleeved outside the first threaded rod.
The invention has the beneficial effects that:
the invention achieves the purposes of shooting and observing the external situation of the well wall freezing and measuring the environmental temperature while measuring the firmness of the well wall freezing.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
fig. 3 is a schematic view of a part of the structure of the present invention.
Reference numerals in the drawings: 1 cylinder, 2 supporting main board, 3 internal gear, 4 load ring, 5 shooting device, 6 first through groove, 7 worm, 8L shape fixed plate, 9 gag lever post, 10 first threaded rod, 11 worm wheel, 12 servo motor, 13 gag lever post, 14 thread bush, 15 hollow screw thread post, 16 drill bit, 17 thermometer, 18 rotation post, 19 first gear, 20 connecting plate, 21 second through groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-3, a monitoring device for freezing profile of stratum well wall comprises a supporting main board 2, wherein a second through groove 21 is formed in the supporting main board 2, two connecting plates 20 are fixedly connected in the second through groove 21, two ends of each connecting plate 20 extend to the outer parts of the second through groove 21 respectively, two rotating shafts are rotatably connected between the two connecting plates 20 and are respectively positioned at two sides of the supporting main board 2, first gears 19 are fixedly connected to the outer parts of the two rotating shafts respectively, a rotating column 18 is rotatably connected in the second through groove 21, and two ends of the rotating column 18 extend to the outer parts of the second through groove 21 respectively and are connected with the two rotating shafts through bevel gear transmission respectively;
the outer part of the support main board 2 is sleeved with a load ring 4, the load ring 4 is positioned between two connecting plates 20, an inner gear 3 is fixedly connected to the inner wall of the load ring 4, the inner gear 3 is sleeved outside two first gears 19 and meshed with the two first gears 19, a shooting device 5 and a thermometer 17 are arranged on the outer side of the load ring 4, and the shooting device 5 comprises a video camera and a camera or a mobile phone;
the supporting main board 2 is provided with a first through groove 6, two first threaded rods 10 are arranged in the first through groove 6, two ends of each of the two first threaded rods 10 extend to the outside of the corresponding first through groove 6 respectively, the two first threaded rods 10 are in sliding connection with the corresponding first through groove 6, one ends, away from each other, of the two first threaded rods 10 are fixedly connected with limiting rods 9, two sides of the supporting main board 2 are fixedly connected with L-shaped fixing plates 8 respectively, and the two limiting rods 9 are in sliding connection with the two L-shaped fixing plates 8 respectively;
the outside of the two first threaded rods 10 is connected with worm gears 11 in a threaded manner, the two worm gears are positioned in the first through grooves 6, a worm 7 is rotatably connected in the first through grooves 6, the worm 7 is meshed with the two worm gears, one end of the worm 7 extends into the second through grooves 21 and penetrates through the connecting plate 20, one end of the worm 7 is in transmission connection with the rotating column 18 through a bevel gear, and the worm 7 is in rotational connection with the connecting plate 20;
the outer parts of the two first threaded rods 10 are respectively sleeved with a threaded sleeve 14, the two threaded sleeves 14 are respectively positioned on two sides of the support main plate 2 far away from the L-shaped fixed plate 8 and are fixedly connected with the support main plate 2, the outer parts of the two first threaded rods 10 are respectively sleeved with a hollow threaded column 15, the two hollow threaded columns 15 are respectively connected with the two first threaded rods 10 in a rotating way, the inner parts of the two threaded sleeves 14 are respectively provided with an internal thread, and the two hollow threaded columns 15 are respectively connected with the two threaded sleeves 14 in a threaded way;
the two hollow threaded columns 15 are fixedly connected with the drill bit 16 at the end far away from each other, the pressure sensors are arranged at the end far away from each other of the two first threaded rods 10, the two drill bits 16 are respectively matched with the pressure sensors, and the two hollow threaded columns 15 can slide relatively with the two first threaded rods 10 respectively, so that the drill bit 16 can touch the pressure sensors;
a servo motor 12 is arranged on the support main board 2, and one end of the worm 7 extends to the outside of the first through groove 6 and is in transmission connection with one end of an output shaft of the servo motor 12;
the end, far away from the servo motor 12, of the support main board 2 is provided with a cylinder 1, and the extension end of the cylinder 1 is fixedly connected with the support main board 2;
limiting rings 13 are arranged on two sides of the two worm gears 11, and the limiting rings 13 are sleeved outside the first threaded rod.
Working principle: the device is placed at a wellhead, the bottom of the air cylinder 1 is fixed, the air cylinder 1 is started, the extension end of the air cylinder 1 stretches to push the supporting main board 2 into a well, after entering into a depth required for observation, the servo motor 12 is started, the servo motor 12 drives the worm 7 to rotate, the worm 7 drives the worm wheel 11 to rotate, the limiting ring 13 is used for limiting the worm wheel 11 and preventing the worm wheel 11 from moving left and right, the L-shaped fixing plate 8 is used for limiting the limiting rod 9, the limiting rod 9 can only be in sliding connection with the L-shaped fixing plate 8, the worm wheel 11 rotates to enable the two first threaded rods 10 to approach towards a well wall, the first threaded rods 10 push the hollow threaded columns 15 to approach towards the well wall, and because the hollow threaded columns 15 are in threaded connection with the threaded sleeves 14, the hollow threaded columns 15 rotate in the moving process, the drill bit 16 rotates, so that the hollow threaded columns 15 can easily enter into the well wall, the drill bit 16 causes a certain pressure to the pressure sensor in the rotating process, the pressure sensor transmits a corresponding pressure signal to measure the pressure, the drill bit 16 can not accurately touch the well wall, and the situation that the hard pressure cannot be measured and can not be prevented from being frozen in the well wall;
synchronously, the worm 7 rotates to drive the rotating column 18 to rotate, so that the first gear 19 rotates, the first gear 19 rotates to drive the inner gear 3 to rotate, the load ring 4 drives the shooting device 5 and the thermometer 17 to rotate, the thermometer 17 measures the ambient temperature, the shooting device 5 shoots the external situation of the well wall freezing, and then the purposes of shooting, observing and measuring the ambient temperature of the external situation of the well wall freezing are achieved when the firmness of the well wall freezing is measured.
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims (3)

1. A monitoring device for a freezing profile of a borehole wall of a subterranean formation, comprising: the novel rotary support comprises a support main board (2), wherein a second through groove (21) is formed in the support main board (2), two connecting plates (20) are fixedly connected in the second through groove (21), two ends of each connecting plate (20) respectively extend to the outer parts of the second through groove (21), two rotating shafts are rotatably connected between the two connecting plates (20), the two rotating shafts are respectively positioned at two sides of the support main board (2), first gears (19) are fixedly connected to the outer parts of the two rotating shafts, rotary columns (18) are rotatably connected in the second through groove (21), and two ends of each rotary column (18) respectively extend to the outer parts of the second through groove (21) and are respectively in transmission connection with the two rotating shafts;
the outer part of the support main board (2) is sleeved with a load ring (4), the load ring (4) is positioned between the two connecting plates (20), an inner gear (3) is fixedly connected to the inner wall of the load ring (4), the inner gear (3) is sleeved on the outer parts of the two first gears (19) and meshed with the two first gears (19), and a shooting device (5) and a thermometer (17) are arranged on the outer side of the load ring (4);
the support main board (2) is provided with a first through groove (6), two first threaded rods (10) are arranged in the first through groove (6), two ends of each first threaded rod (10) extend to the outside of the corresponding first through groove (6) respectively, each first threaded rod (10) is in sliding connection with the corresponding first through groove (6), one end, away from each other, of each first threaded rod (10) is fixedly connected with a limiting rod (9), two sides of the support main board (2) are fixedly connected with L-shaped fixing plates (8) respectively, and each limiting rod (9) is in sliding connection with each L-shaped fixing plate (8);
the outside of two first threaded rods (10) is connected with worm gears (11) in a threaded manner, two worm gears (11) are positioned in first through grooves (6), a worm (7) is rotationally connected in each first through groove (6), the worm (7) is meshed with the two worm gears (11), one end of each worm (7) extends into a second through groove (21) and penetrates through a connecting plate (20), one end of each worm (7) is connected with a rotating column (18) through bevel gear transmission, and each worm (7) is rotationally connected with the connecting plate (20);
the outer parts of the two first threaded rods (10) are respectively sleeved with a threaded sleeve (14), the two threaded sleeves (14) are respectively positioned on two sides of the supporting main board (2) far away from the L-shaped fixing board (8) and are respectively fixedly connected with the supporting main board (2), the outer parts of the two first threaded rods (10) are respectively sleeved with a hollow threaded column (15), the two hollow threaded columns (15) are respectively connected with the two first threaded rods (10) in a rotating way, the inner parts of the two threaded sleeves (14) are respectively provided with internal threads, and the two hollow threaded columns (15) are respectively connected with the two threaded sleeves (14) in a threaded way;
the two ends, far away from each other, of the hollow threaded columns (15) are fixedly connected with drill bits (16), the two ends, far away from each other, of the two first threaded rods (10) are provided with pressure sensors, and the two drill bits (16) are matched with the pressure sensors respectively;
the support main board (2) is provided with a servo motor (12), and one end of the worm (7) extends to the outside of the first through groove (6) and is in transmission connection with one end of an output shaft of the servo motor (12).
2. The monitoring device of a formation well wall freezing profile according to claim 1, wherein an air cylinder (1) is arranged at one end of the support main plate (2) far away from the servo motor (12), and an extension end of the air cylinder (1) is fixedly connected with the support main plate (2).
3. The monitoring device for the freezing profile of the stratum well wall according to claim 2, wherein limiting rings (13) are arranged on two sides of the two worm gears (11), and the limiting rings (13) are sleeved outside the first threaded rod.
CN202110234235.7A 2021-03-03 2021-03-03 Monitoring device for stratum well wall freezing profile Active CN112943220B (en)

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CN202110234235.7A CN112943220B (en) 2021-03-03 2021-03-03 Monitoring device for stratum well wall freezing profile
LU500431A LU500431B1 (en) 2021-03-03 2021-07-14 Monitoring device for formation shaft wall freezing situation

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CN202110234235.7A CN112943220B (en) 2021-03-03 2021-03-03 Monitoring device for stratum well wall freezing profile

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CN113404487B (en) * 2021-07-20 2022-06-10 贾碧君 Intelligent monitoring device for stratum well wall freezing profile based on Internet of things
CN116086631B (en) * 2023-04-07 2023-06-23 中化地质矿山总局山东地质勘查院 Geothermol power survey instrument for geothermal survey

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