CN112943220A - Monitoring device for freezing general profile of stratum well wall - Google Patents
Monitoring device for freezing general profile of stratum well wall Download PDFInfo
- Publication number
- CN112943220A CN112943220A CN202110234235.7A CN202110234235A CN112943220A CN 112943220 A CN112943220 A CN 112943220A CN 202110234235 A CN202110234235 A CN 202110234235A CN 112943220 A CN112943220 A CN 112943220A
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- Prior art keywords
- groove
- threaded
- fixedly connected
- worm
- supporting main
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/10—Preparation of the ground
- E21D1/12—Preparation of the ground by freezing
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing 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
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The invention relates to the technical field of monitoring devices, in particular to a monitoring device for general freezing 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 each connecting plate respectively extend to the outside of the second through groove, two rotating shafts are rotatably connected between the two connecting plates and respectively located on two sides of the supporting main board, first gears are fixedly connected to the outsides of the two rotating shafts, a rotating column is rotatably connected in the second through groove, two ends of the rotating column are respectively in transmission connection with the two rotating shafts, a load ring is sleeved on the outside of the supporting main board, an inner gear is fixedly connected to the inner wall of the load ring, the inner gear is meshed with the two first gears, and a shooting device and a thermometer are arranged on the outside of the load ring. The invention achieves the purposes of shooting and observing the external condition of the frozen well wall and measuring the ambient temperature while measuring the freezing firmness of the well wall.
Description
Technical Field
The invention relates to the field of monitoring devices, in particular to a monitoring device for the freezing profile of a formation well wall.
Background
The freezing method well sinking is one of the most main well sinking methods in water-containing and unstable stratums, the more common artificial stratum freezing method is a saline solution indirect refrigeration method, namely, saline solution passes through a refrigerator, the more common artificial stratum freezing method is a saline solution indirect refrigeration method, namely, the saline solution is cooled by the refrigerator and then used as a refrigerant, the refrigerant circulates in a pipeline buried in a rock-soil body, low-temperature saline solution exchanges heat with the rock-soil body, so that most of water in the surrounding rock-soil body is frozen, the strength and stability of the rock-soil body are effectively enhanced, deformation is reduced, underground water is isolated, and shaft digging construction is carried out under the protection of a frozen wall until frozen section shaft construction is completed.
In order to facilitate observation of the freezing condition of the wall of the stratum well, the invention provides a monitoring device for the freezing profile of the wall of the stratum well.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a device for monitoring the freezing profile of the wall of a stratum well.
In order to achieve the purpose, the invention adopts the following technical scheme:
a monitoring device for a general freezing condition of a stratum well wall 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 part of the second through groove, two rotating shafts are rotatably connected between the two connecting plates and respectively located on two sides of the supporting main board, a first gear is fixedly connected to the outer parts of the two rotating shafts, a rotating column is rotatably connected in the second through groove, and two ends of the rotating column respectively extend to the outer part of the second through groove and are respectively in transmission connection with the two rotating shafts;
the outer part of the supporting main board is sleeved with a load ring, the load ring is positioned between the two connecting plates, the inner wall of the load ring is fixedly connected with an internal gear, the internal gear is sleeved outside the two first gears and meshed with the two first gears, and the outer side of the load ring is provided with a shooting device and a thermometer;
the supporting main board is provided with a first through groove, two first threaded rods are arranged in the first through groove, two ends of the two first threaded rods respectively extend to the outside of the first through groove, the two first threaded rods are both connected with the first through groove in a sliding manner, one ends, away from each other, of the two first threaded rods are both fixedly connected with limiting rods, two sides of the supporting main board are respectively and fixedly connected with L-shaped fixing plates, and the two limiting rods are respectively connected with the two L-shaped fixing plates in a sliding manner;
the worm gears are in threaded connection with the outer portions of the two first threaded rods, the two worm gears are located in the first through grooves, the worm is connected in the first through grooves in a rotating mode, the worm is meshed with the two worm gears, one ends of the worm extend into the second through grooves and penetrate through the connecting plate, one ends of the worm are in transmission connection with the rotating columns through the bevel gears, and the worm is in rotating connection with the connecting plate.
Furthermore, threaded sleeves are sleeved outside the two first threaded rods, 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, hollow threaded columns are sleeved outside the two first threaded rods, the two hollow threaded columns are respectively rotatably connected with the two first threaded rods, internal threads are respectively arranged inside the two threaded sleeves, and the two hollow threaded columns are respectively in threaded connection with the two threaded sleeves;
two the equal fixedly connected with drill bit of one end that the hollow thread post was kept away from each other, two the one end that first threaded rod was kept away from each other all is equipped with pressure sensor, two the drill bit is equallyd divide and is do not cooperateed with pressure sensor.
Furthermore, 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.
Furthermore, the end of the supporting main board far away from the servo motor is provided with a cylinder, and the extending end of the cylinder is fixedly connected with the supporting main board.
Furthermore, two sides of the worm wheel are provided with limit rings, and the limit 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 condition of the frozen well wall and measuring the ambient temperature while measuring the freezing firmness of the well wall.
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 partial structural schematic diagram of the present invention.
Reference numbers in the figures: the camera comprises a cylinder 1, a support main plate 2, an internal gear 3, a load ring 4, a shooting device 5, a first through groove 6, a worm 7, an 8L-shaped fixing plate, a limiting rod 9, a first threaded rod 10, a worm wheel 11, a servo motor 12, a limiting ring 13, a threaded sleeve 14, a hollow threaded column 15, a drill bit 16, a thermometer 17, a rotating column 18, a first gear 19, a connecting plate 20 and a second through groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a monitoring device for an overview of freezing of a formation well wall comprises a supporting main board 2, 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 respectively extend to the outside of the second through groove 21, two rotating shafts are rotatably connected between the two connecting plates 20 and respectively located at two sides of the supporting main board 2, a first gear 19 is fixedly connected to the outside of each rotating shaft, a rotating column 18 is rotatably connected in the second through groove 21, and two ends of each rotating column 18 respectively extend to the outside of the second through groove 21 and are respectively in transmission connection with the two rotating shafts through bevel gears;
the external of the supporting main board 2 is sleeved with a load ring 4, the load ring 4 is positioned between the two connecting plates 20, the inner wall of the load ring 4 is fixedly connected with an internal gear 3, the internal gear 3 is sleeved outside the two first gears 19 and meshed with the two first gears 19, the outer side of the load ring 4 is provided with a shooting device 5 and a thermometer 17, and the shooting device 5 comprises a video camera and a camera or a mobile phone;
a first through groove 6 is formed in the supporting main board 2, two first threaded rods 10 are arranged in the first through groove 6, two ends of each of the two first threaded rods 10 respectively extend to the outside of the first through groove 6, the two first threaded rods 10 are both in sliding connection with the first through groove 6, one ends, away from each other, of the two first threaded rods 10 are both fixedly connected with limiting rods 9, two sides of the supporting main board 2 are respectively and fixedly connected with L-shaped fixing plates 8, and the two limiting rods 9 are respectively in sliding connection with the two L-shaped fixing plates 8;
the worm wheels 11 are in threaded connection with the outer portions of the two first threaded rods 10, the two worm wheels are located in the first through grooves 6, the worm 7 is connected in the first through grooves 6 in a rotating mode, the worm 7 is meshed with the two worm wheels, one end of the worm 7 extends into the second through groove 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 rotating connection with the connecting plate 20;
the outer parts of the two first threaded rods 10 are respectively sleeved with threaded sleeves 14, the two threaded sleeves 14 are respectively positioned at two sides of the supporting main plate 2 far away from the L-shaped fixing plate 8 and are fixedly connected with the supporting main plate 2, the outer parts of the two first threaded rods 10 are respectively sleeved with hollow threaded columns 15, the two hollow threaded columns 15 are respectively rotatably connected with the two first threaded rods 10, internal threads are respectively arranged in the two threaded sleeves 14, and the two hollow threaded columns 15 are respectively in threaded connection with the two threaded sleeves 14;
the ends, far away from each other, of the two hollow threaded columns 15 are fixedly connected with drill bits 16, the ends, far away from each other, of the two first threaded rods 10 are provided with pressure sensors, the two drill bits 16 are matched with the pressure sensors respectively, and the two hollow threaded columns 15 and the two first threaded rods 10 can slide relative to each other respectively, so that the drill bits 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;
an air cylinder 1 is arranged at one end of the supporting main board 2 far away from the servo motor 12, and the extending end of the air cylinder 1 is fixedly connected with the supporting main board 2;
both sides of two worm wheel 11 all are equipped with spacing ring 13, and the outside of first threaded rod is all located to spacing ring 13 cover.
The working principle is as follows: the device is placed at a well head, the bottom of the air cylinder 1 is fixed, the air cylinder 1 is started, the extending end of the air cylinder 1 extends to push the support main board 2 to enter a well, when the required depth is observed, the servo motor 12 is started, the servo motor 12 drives the worm 7 to rotate, the worm 7 rotates to drive the worm wheel 11 to rotate, the limiting ring 13 is used for limiting the worm wheel 11 to prevent the worm wheel 11 from moving left and right, the L-shaped fixing plate 8 limits the limiting rod 9 to ensure that the limiting rod 9 can only be in sliding connection with the L-shaped fixing plate 8, so that 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 as the hollow threaded columns 15 are in threaded connection with the threaded sleeves 14, the hollow threaded columns 15 rotate in the moving process to enable the drill bits 16 to rotate, so that the, the method comprises the steps that a certain pressure is caused to a pressure sensor when a drill bit 16 rotates, the pressure sensor transmits a corresponding pressure signal so as to measure the pressure, the purpose of setting the drill bit 16 also comprises the steps of avoiding inaccurate pressure measurement when a hollow threaded column 15 touches a hard object and cannot enter the well wall in the process of entering the well wall, and achieving the purpose of judging the freezing firmness condition of the well wall by measuring the pressure of the drill bit 16 entering the well wall;
synchronously, worm 7 rotates and drives rotation post 18 and rotate for first gear 19 rotates, and first gear 19 rotates and drives internal gear 3 and rotate, makes load ring 4 drive shooting device 5 and thermometer 17 and rotates, and thermometer 17 measures ambient temperature, and shooting device 5 shoots the freezing outside condition of the wall of a well, and then reaches when measuring the freezing firmness of the wall of a well, shoots the outside condition of freezing the wall of a well and observe and carry out measuring purpose to ambient temperature.
In the description of the present invention, it is to 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 relative importance or implying any number of technical features indicated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (5)
1. A device for monitoring a freeze profile of a wall of a subterranean well, comprising: the supporting main board (2) is provided with a second through groove (21), two connecting plates (20) are fixedly connected in the second through groove (21), two ends of the two connecting plates (20) respectively extend to the outer part 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 supporting main board (2), a first gear (19) is fixedly connected to the outer parts of the two rotating shafts, a rotating column (18) is rotatably connected in the second through groove (21), and two ends of the rotating column (18) respectively extend to the outer part of the second through groove (21) and are respectively in transmission connection with the two rotating shafts;
a load ring (4) is sleeved outside the support main plate (2), the load ring (4) is positioned between the two connecting plates (20), an internal gear (3) is fixedly connected to the inner wall of the load ring (4), the internal gear (3) is sleeved outside the two first gears (19) and meshed with the two first gears (19), and a shooting device (5) and a thermometer (17) are arranged outside the load ring (4);
a first through groove (6) is formed in the supporting main board (2), two first threaded rods (10) are arranged in the first through groove (6), two ends of each first threaded rod (10) respectively extend to the outside of the first through groove (6), the two first threaded rods (10) are both in sliding connection with the first through groove (6), one ends, away from each other, of the two first threaded rods (10) are both fixedly connected with limiting rods (9), two sides of the supporting main board (2) are respectively and fixedly connected with L-shaped fixing plates (8), and the two limiting rods (9) are respectively in sliding connection with the two L-shaped fixing plates (8);
the outside of two first threaded rods (10) is threaded connection with worm wheel (11), two the worm wheel all is located first logical groove (6), it has worm (7) to rotate in first logical groove (6), worm (7) mesh with two turbines mutually, the one end of worm (7) extends to in the second logical groove (21) and passes connecting plate (20), the one end and the rotation post (18) of worm (7) are connected through bevel gear transmission, worm (7) are connected with connecting plate (20) rotation.
2. The device for monitoring the freezing profile of the wall of the stratum well as defined in claim 1, wherein the two first threaded rods (10) are respectively sleeved with a threaded sleeve (14) at the outer part thereof, the two threaded sleeves (14) are respectively positioned at two sides of the support main plate (2) far away from the L-shaped fixing plate (8) and are respectively fixedly connected with the support main plate (2), the two first threaded rods (10) are respectively sleeved with a hollow threaded column (15) at the outer part thereof, the two hollow threaded columns (15) are respectively rotatably connected with the two first threaded rods (10), the two threaded sleeves (14) are respectively provided with internal threads at the inner part thereof, and the two hollow threaded columns (15) are respectively in threaded connection with the two threaded sleeves (14);
two the equal fixedly connected with drill bit (16) of one end that hollow thread post (15) kept away from each other, two the one end that first threaded rod (10) kept away from each other all is equipped with pressure sensor, two drill bit (16) are equallyd divide and are do not cooperateed with pressure sensor.
3. A monitoring device of the freezing profile of the wall of the stratum well according to claim 2, characterized in that a servo motor (12) is arranged on the supporting main plate (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).
4. A monitoring device for a freezing profile of a formation well wall according to claim 3, characterized in that an air cylinder (1) is arranged at one end of the supporting main plate (2) far away from the servo motor (12), and the extended end of the air cylinder (1) is fixedly connected with the supporting main plate (2).
5. A device for monitoring the freezing profile of a formation well wall according to claim 4, wherein two sides of the two worm gears (11) are provided with limiting rings (13), and the limiting rings (13) are sleeved outside the first threaded rod.
Priority Applications (2)
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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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CN112943220A true CN112943220A (en) | 2021-06-11 |
CN112943220B CN112943220B (en) | 2023-06-20 |
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Cited By (2)
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CN113404487A (en) * | 2021-07-20 | 2021-09-17 | 贾碧君 | Intelligent monitoring device for stratum well wall freezing profile based on Internet of things |
CN116086631A (en) * | 2023-04-07 | 2023-05-09 | 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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LU500431B1 (en) | 2022-01-17 |
CN112943220B (en) | 2023-06-20 |
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