Layered water stopping device for geological drilling

Abstract

The utility model discloses a stratified water stop device for geological drilling, which comprises a drill bit, a power box arranged at the top of the drill bit, a pipe body arranged at the top of the power box, and a control device arranged above the drill bit, the adjusting device is mounted above the pipe body; the sealing device is arranged above the pipe body; the water pumping device is arranged in the pipe body; the control device can adjust the overall height of the layered water stop device for geological drilling. The utility model relates to the technical field of geological drilling, in particular to a stratified water stop device for geological drilling, which can freely change stratified positions according to actual use conditions through matching of a drill bit, a power box, a control device, an adjusting device and a water pumping device, thereby being capable of meeting various different geological conditions. Therefore, the practicability of the layered water stop device for geological drilling can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of geological drilling, in particular to a layered water-stopping device for geological drilling. Background Art

[0002] Geological drilling refers to a geological project that uses certain drilling machinery and technology to obtain rock and mineral cores below the surface to make reliable evaluations of geological and mineral resource parameters. When conducting hydrogeological drilling in areas with multiple aquifers, in order to obtain water volume, water level, water quality and water temperature data for each aquifer, it is necessary to conduct observations and pumping tests on each aquifer separately. According to design requirements, the work of isolating (groups, sections) from other aquifers from bottom to top is called layered water stopping. For example, a layered water stopping device for hydrogeological drilling with application number CN210977386U includes a support assembly on which a vertical downward steel pipe is installed; the steel pipe A drilling mechanism is installed at the bottom; a water-stop assembly is installed on the outer wall of the steel pipe, a partition is fixed inside the steel pipe, and the positions of the partition and the water-stop assembly correspond to each other; a layered pumping mechanism is arranged inside the steel pipe. The utility model has a good water-stopping effect, and can directly observe and pump water tests on different aquifers respectively. The support assembly is supported and fixed on the drilling area, and the drilling mechanism at the bottom of the steel pipe is used to drill holes. After reaching the corresponding area, the water-stop assembly is ensured to be located at the water-isolating position end, and the water-stop assembly is used to achieve the purpose of isolation to prevent the water quality in different aquifers from mixing. Then, the layered pumping mechanism is used to perform pumping tests on different aquifers, and the water-stopping efficiency is high.

[0003] When the current geological drilling layered water-stopping device is used, the staff first controls the geological drilling layered water-stopping device to drill into the ground. When it reaches a certain depth, different aquifers can be observed and pumped separately. Then the staff will test the pumped water source and record the test data to complete the work.

[0004] When using traditional stratified water-stopping devices for geological drilling, the stratification position cannot be adjusted. However, due to the diversity of geology, the water layers also vary a lot, which makes the non-adjustable stratification position unable to meet a variety of geological conditions. Therefore, the operation is greatly limited, which brings inconvenience to the staff. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a layered water-stopping device for geological drilling, which solves the problem that the traditional layered water-stopping device for geological drilling cannot adjust the layering position during use. However, due to the diversity of geology, the water layer also has many changes, which makes the non-adjustable layering position unable to meet a variety of geological conditions. Therefore, the operation is greatly limited, which brings inconvenience to the staff.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a layered water-stopping device for geological drilling, including a drill bit, a power box is installed on the top of the drill bit, and a pipe body is installed on the top of the power box. The layered water-stopping device for geological drilling also includes: a control device, which is arranged above the drill bit; an adjustment device, which is installed above the pipe body; a closing device, which is arranged above the pipe body; and a pumping device, which is arranged inside the pipe body; wherein the control device can adjust the overall height of the layered water-stopping device for geological drilling, the adjustment device can change the position of the layer, the closing device can realize layered sealing, and the pumping device can pump water out.

[0007] Preferably, the control device includes: a bottom plate, which is arranged below the tube body; two hydraulic rods, which are arranged and respectively installed on both sides of the top of the bottom plate; a top plate, which is installed on the top of the tube body and fixedly connected to the outer walls of the two hydraulic rods; two supporting legs, which are respectively installed on both sides of the bottom of the bottom plate; wherein the hydraulic rod can change the position between the bottom plate and the top plate, and thereby change the position of the tube body.

[0008] Preferably, the adjusting device includes: a servo motor installed on the top of the top plate; a threaded rod installed on the output end of the servo motor and rotatably connected to the inner wall of the top plate through a sealed bearing; a partition plate threadedly connected to the outer wall of the threaded rod; a sealing ring plate installed on the outer wall of the partition plate and movably connected to the inner wall of the tube body; wherein the servo motor can drive the partition plate and the sealing ring plate to move along the inner wall of the tube body through the threaded rod.

[0009] Preferably, the closing device comprises: a connecting block, which is fixedly mounted on the outer wall of the sealing ring plate and movably connected to the inner wall of the tube body; a mounting plate, which is mounted on the outer wall of the connecting block and movably connected to the outer wall of the tube body; an airbag, which is mounted inside the mounting plate; a conduit, which is connected to the top of one side of the airbag and extends to the top of the top plate; wherein an external air supply device can transport air into the interior of the airbag through the conduit.

[0010] Preferably, the pumping device includes: a bottom pumping pipe, which is arranged inside the tube body and extends to the top of one side of the top plate, and the outer wall of the bottom pumping pipe is movably connected to the inner wall of the partition; a first upper pumping pipe, which is connected to the top of the bottom pumping pipe; a second upper pumping pipe, which is sleeved on the bottom of the first upper pumping pipe and fixedly connected to the top of the partition; wherein the bottom pumping pipe is connected to an external pumping device, and the external pumping device can utilize the bottom pumping pipe, the first upper pumping pipe and the second upper pumping pipe to pump out the water source inside the tube body.

[0011] Beneficial Effects

[0012] The utility model provides a layered water-stopping device for geological drilling. It has the following beneficial effects: the layered water-stopping device for geological drilling can freely change the layered position according to the actual use situation through the cooperation of the drill bit, the power box, the control device, the adjustment device and the pumping device, so as to meet a variety of different geological conditions, thereby greatly improving the practicality of the layered water-stopping device for geological drilling and facilitating the use of the staff;

[0013] Through the cooperation of the sealing device, the two water layers can be sealed, effectively avoiding mutual interference between the water layers, which can greatly improve the quality of use and the accuracy of the detection data, thus bringing convenience to the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A cross-sectional view of

[0016] Figure 3 for Figure 2 Schematic diagram of the structure of the middle tube body, partition and threaded rod.

[0017] In the figure: 1. drill bit, 2. control device, 201. hydraulic rod, 202. top plate, 203. bottom plate, 204. support leg, 3. adjustment device, 301. servo motor, 302. threaded rod, 303. partition, 304. sealing ring plate, 4. sealing device, 401. guide tube, 402. mounting plate, 403. air bag, 404. connecting block, 5. pumping device, 501. bottom layer pumping pipe, 502. first upper layer pumping pipe, 503. second upper layer pumping pipe, 6. pipe body, 7. power box. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0020] When using the traditional geological drilling layered water-stopping device, the layered position cannot be adjusted. However, due to the diversity of geology, the water layer also has many changes, which makes the unadjustable layered position unable to meet a variety of geological conditions, thus making the operation limited and bringing inconvenience to the staff;

[0021] In view of this, the utility model provides a layered water-stopping device for geological drilling. Through the cooperation of the drill bit, power box, control device, adjustment device and pumping device, the layered position can be freely changed according to actual use conditions, thereby meeting a variety of different geological conditions. Therefore, the practicality of the layered water-stopping device for geological drilling can be greatly improved, and it is convenient for staff to use it.

[0022] Embodiment 1: By Figure 1 , 2 As can be seen from Figure 3, a layered water-stopping device for geological drilling includes a drill bit 1, a power box 7 is installed on the top of the drill bit 1, and a pipe body 6 is installed on the top of the power box 7. The layered water-stopping device for geological drilling also includes: a control device 2, which is arranged above the drill bit 1; an adjustment device 3, which is installed above the pipe body 6; a closing device 4, which is arranged above the pipe body 6; and a pumping device 5, which is arranged inside the pipe body 6; wherein the control device 2 can adjust the overall height of the layered water-stopping device for geological drilling, the adjustment device 3 can change the position of the layer, the closing device 4 can achieve layered sealing, and the pumping device 5 can pump out the water source;

[0023] In the specific implementation process, it is worth pointing out that the power box 7 can drive the drill bit 1 to rotate, the electrical equipment inside the power box 7 can use a drive motor, and the model of the drive motor is not specifically limited, as long as it meets the use requirements. The control device 2 can change the position of the pipe body 6, the power box 7 and the drill bit 1, and then the geological drilling layered water-stopping device can be drilled into the ground. The adjustment device 3 can change the position of the closing device 4 and the layer, so as to meet a variety of different geological conditions;

[0024] Specifically, when using the layered water-stopping device for geological drilling, the staff first sets up the layered water-stopping device for geological drilling at a suitable position, and then turns on the external power supply of the adjusting device 3. At this time, the adjusting device 3 can change the layered position of the layered water-stopping device for geological drilling and the position of the closing device 4. When reaching the appropriate position, the staff turns on the external power supply of the power box 7, and then the staff turns on the external power supply of the control device 2. At this time, the control device 2 and the drill bit 1 cooperate with the power box 7 to drill the layered water-stopping device for geological drilling into the ground. When reaching the appropriate position, the staff then turns on the external air supply device connected to the closing device 4, and then layered sealing can be performed, and then the water source in the geology can enter the interior of the pipe body 6, and then the staff can turn on the external pumping device connected to the pumping device 5, and then water pumping detection can be performed.

[0025] Embodiment 2: By Figure 1 and 2 It can be seen that the control device 2 includes: a bottom plate 203, which is arranged below the tube body 6; a hydraulic rod 201, the model of which is not specifically limited, and can be used as long as it meets the use requirements, and two are provided, and are respectively installed on both sides of the top of the bottom plate 203; a top plate 202, which is installed on the top of the tube body 6 and is fixedly connected to the outer walls of the two hydraulic rods 201; two supporting legs 204 are provided, and are respectively installed on both sides of the bottom of the bottom plate 203; wherein the hydraulic rod 201 can change the position between the bottom plate 203 and the top plate 202, and thus can change the position of the tube body 6;

[0026] In the specific implementation process, it is worth pointing out that the hydraulic rod 201 can change the position between the top plate 202 and the bottom plate 203, and thus can change the position height of the components such as the pipe body 6, the power box 7 and the drill bit 1;

[0027] Specifically, based on the above-mentioned embodiment 1, when drilling, the staff turns on the external power supply of the hydraulic rod 201. At this time, the hydraulic rod 201 can change the position between the top plate 202 and the bottom plate 203, and then change the position of the pipe body 6. At this time, the layered water-stopping device for geological drilling can be drilled into the ground through the cooperation of the power box 7 and the drill bit 1.

[0028] Embodiment 3: By Figure 1 , 2As can be seen from Figure 3, the regulating device 3 includes: a servo motor 301, the model of the servo motor 301 is ECMA-E11320RS, which is installed on the top of the top plate 202; a threaded rod 302, which is installed on the output end of the servo motor 301 and is rotatably connected to the inner wall of the top plate 202 through a sealed bearing; a partition 303, which is threadedly connected to the outer wall of the threaded rod 302; a sealing ring plate 304, which is installed on the outer wall of the partition 303 and is movably connected to the inner wall of the tube body 6; wherein the servo motor 301 can drive the partition 303 and the sealing ring plate 304 to move along the inner wall of the tube body 6 through the threaded rod 302;

[0029] In the specific implementation process, it is worth pointing out that the servo motor 301 can drive the threaded rod 302 to rotate, and then the threaded rod 302 can change the position of the partition plate 303 and the sealing ring plate 304 on the inner wall of the tube body 6;

[0030] Specifically, based on the above-mentioned embodiment 1, when the layering position needs to be adjusted, the staff turns on the external power supply of the servo motor 301, and the servo motor 301 can drive the threaded rod 302 to rotate. At this time, the threaded rod 302 can drive the partition 303 and the sealing ring plate 304 to the position inside the tube body 6. When the sealing ring plate 304 reaches the appropriate position, the layering adjustment can be performed.

[0031] Embodiment 4: By Figure 1 , 2 As can be seen from Figure 3, the closing device 4 includes: a connecting block 404, which is fixedly connected to the outer wall of the sealing ring plate 304 and movably connected to the inner wall of the tube body 6; a mounting plate 402, which is installed on the outer wall of the connecting block 404 and movably connected to the outer wall of the tube body 6; an airbag 403, which is installed inside the mounting plate 402; a conduit 401, which is connected to the upper side of the airbag 403 and extends to the upper side of the top plate 202; wherein the external air supply device can deliver air into the interior of the airbag 403 through the conduit 401;

[0032] In the specific implementation process, it is worth pointing out that the airbag 403 can fill all the irregular surfaces of the joint and generate huge contact pressure, completely preventing water leakage and achieving the purpose of water stopping. The conduit 401 is connected to the external air supply device, and then the external air supply device can be used to draw the external air into the airbag 403, so that the airbag 403 is inflated.

[0033] Specifically, on the basis of the above-mentioned embodiments one, two and three, when the tube body 6 reaches a suitable position, the staff turns on the external air supply device connected to the conduit 401, and the outside air can enter the interior of the airbag 403 through the conduit 401. At this time, the airbag 403 can be inflated, and the irregular surface in the geology can be filled, thereby playing a sealing role.

[0034] Embodiment 5: By Figure 1 and 2 It can be seen that the pumping device 5 includes: a bottom pumping pipe 501, which is arranged inside the tube body 6 and extends to the upper side of the top plate 202, and the outer wall of the bottom pumping pipe 501 is movably connected to the inner wall of the partition 303; a first upper pumping pipe 502, which is connected to the upper side of the bottom pumping pipe 501; a second upper pumping pipe 503, which is sleeved under the first upper pumping pipe 502 and fixedly connected to the top of the partition 303; wherein the bottom pumping pipe 501 is connected to an external pumping device, and the external pumping device can use the bottom pumping pipe 501, the first upper pumping pipe 502 and the second upper pumping pipe 503 to pump out the water source inside the tube body 6;

[0035] In the specific implementation process, it is worth pointing out that the bottom layer water pumping pipe 501 is connected to the external water pumping device, and electromagnetic valves are installed above the bottom layer water pumping pipe 501 and the first upper layer water pumping pipe 502;

[0036] Specifically, on the basis of the above-mentioned embodiments one, two, three and four, when pumping water, the staff first closes the solenoid valve above the first upper pumping pipe 502, and then the staff opens the pumping device connected to the bottom pumping pipe 501. At this time, the water source below the pipe body 6 can be pumped out through the bottom pumping pipe 501. When the water source above the partition 303 is pumped out, the staff closes the solenoid valve above the bottom pumping pipe 501, and then opens the solenoid valve above the first upper pumping pipe 502. Then the staff can open the external pumping device connected to the bottom pumping pipe 501 again, and then the water source above the partition 303 can be pumped out.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A layered water-stopping device for geological drilling, comprising a drill bit (1), characterized in that: A power box (7) is installed on the top of the drill bit (1), and a pipe body (6) is installed on the top of the power box (7). The layered water-stopping device for geological drilling also includes: A control device (2) is arranged above the drill bit (1); An adjusting device (3) is installed above the tube body (6); A sealing device (4) is arranged above the tube body (6); A water pumping device (5) is arranged inside the pipe body (6); The control device (2) can adjust the overall height of the layered water-stopping device for geological drilling, the adjustment device (3) can change the position of the layers, the closing device (4) can achieve layered sealing, and the pumping device (5) can pump out water.

2. A layered water-stopping device for geological drilling according to claim 1, characterized in that: The control device (2) comprises: A bottom plate (203) is arranged below the tube body (6); Two hydraulic rods (201) are provided and are respectively installed on both sides of the top of the bottom plate (203); A top plate (202) is installed on the top of the tube body (6) and is fixedly connected to the outer walls of the two hydraulic rods (201); Two supporting legs (204) are provided and are respectively installed on two sides of the bottom of the base plate (203); The hydraulic rod (201) can change the position between the bottom plate (203) and the top plate (202), thereby changing the position of the tube body (6).

3. A layered water-stopping device for geological drilling according to claim 2, characterized in that: The regulating device (3) comprises: A servo motor (301) is installed on the top of the top plate (202); A threaded rod (302) is mounted on the output end of the servo motor (301) and is rotatably connected to the inner wall of the top plate (202) via a sealed bearing; A partition (303) is threadedly connected to the outer wall of the threaded rod (302); A sealing ring plate (304) is mounted on the outer wall of the partition plate (303) and is movably connected to the inner wall of the tube body (6); The servo motor (301) can drive the partition plate (303) and the sealing ring plate (304) to move along the inner wall of the tube body (6) via the threaded rod (302).

4. A layered water-stopping device for geological drilling according to claim 3, characterized in that: The closing device (4): A connecting block (404) is fixedly mounted on the outer wall of the sealing ring plate (304) and movably connected to the inner wall of the tube body (6); A mounting plate (402) mounted on the outer wall of the connecting block (404) and movably connected to the outer wall of the tube body (6); An air bag (403) is installed inside the mounting plate (402); A conduit (401) connected to the upper side of the airbag (403) and extending to the upper side of the top plate (202); The external air supply device can deliver air into the interior of the airbag (403) through the conduit (401).

5. The layered water-stopping device for geological drilling according to claim 2, characterized in that: The pumping device (5) comprises: A bottom water pumping pipe (501) is arranged inside the pipe body (6) and extends to the upper side of one side of the top plate (202), and the outer wall of the bottom water pumping pipe (501) is movably connected to the inner wall of the partition plate (303); A first upper layer water pumping pipe (502) connected to the upper part of the bottom layer water pumping pipe (501); A second upper layer water pumping pipe (503) is sleeved below the first upper layer water pumping pipe (502) and is fixedly connected to the top of the partition plate (303); The bottom layer water pumping pipe (501) is connected to an external water pumping device, and the external water pumping device can use the bottom layer water pumping pipe (501), the first upper layer water pumping pipe (502) and the second upper layer water pumping pipe (503) to pump out the water source inside the pipe body (6).

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