Grouting transformation drilling water stop device for treating aquifer in mine area

Abstract

The utility model discloses a grouting transformation drilling water stop device for treating an aquifer in a mine area, which relates to the technical field of grouting devices and comprises a probing rod, a sealing component and a cleaning component are respectively arranged at two ends of the probing rod, an air bag component and a sealing sleeve which are matched with each other are sleeved on the probing rod, and a base plate is further sleeved on the probing rod. The sealing assembly comprises a first installation disc, a first sealing strip and a second sealing strip, a second mounting disc is matched with a first cleaning wing plate and a second cleaning wing plate, the surfaces of the first cleaning wing plate and the second cleaning wing plate incline upwards, the effect of cleaning the inner wall of an external drill hole is achieved, and the effect of sealing the interior of the external drill hole in a water stopping mode is achieved through an inner air bag and an outer attaching bag which are arranged in a sleeved mode; and the middle section positions of the inner airbag and the outer attaching bag are extruded through the transition part and the separation strip, so that the whole airbag assembly is well attached to the inner wall of the outer drilled hole to achieve the water stop sealing effect.

Description

Technical Field

[0001] The utility model relates to the field of grouting devices, in particular to a drilling water-stopping device for grouting and reforming aquifers in mining areas. Background Art

[0002] my country's limestone karst region is vast and widely distributed, covering approximately 2 million square kilometers, or about one-fifth of the country's total area. These areas are also important coal-producing regions. Currently, many mines have entered deep mining, with the deepest reaching nearly 1,500 meters. The coal seam floor is subjected to significant pressure from the karst confined water, reaching values ​​of 2.0 to 6.5 MPa. Furthermore, the aquiclude between the coal seam and the underlying limestone karst aquifer is typically only 10 to 20 meters thick, but can reach as much as 50 to 60 meters. This significantly increases the probability of water inrush, and well flooding accidents are increasing year by year.

[0003] During field hydrogeological tests such as multi-aquifer drilling pumping tests, water pressure tests, water injection tests, and dispersion tests, drilling water-stopping equipment is required. Water-stop plugs are generally used to seal the aquifers in the test section, and hydrogeological tests are carried out separately for specific aquifers and water-containing sections.

[0004] When using the existing water-stopping device for grouting and reforming aquifers, the pump body structure cooperates with the probe rod therein to inflate the air bag, so that the air bag fits the inner wall of the borehole to complete the sealing and water-stopping operation. At the same time, the cleaning disk at the front end of the probe rod can complete the cleaning of the inner wall of the borehole, so that the air bag can better fit the inner wall of the borehole. However, there are the following problems:

[0005] Water stopping cannot be performed according to the smoothness of the inner wall of the borehole. When water stopping is performed at a certain raised part, the airbag expands and contacts the inner wall of the borehole, which can easily cause scratches on the outer surface of the airbag. During long-term use, the service life of the airbag is reduced due to the existence of pressure. When the probe rod enters the borehole, the airbag can ensure contact with the inner wall of the borehole by inflation, and the cleaning disk therein is difficult to complete the cleaning of the inner wall according to different borehole sizes, which in turn affects the subsequent water-stopping and sealing treatment of the borehole position by the airbag.

[0006] Therefore, the utility model proposes a drilling water-stopping device for grouting and reforming aquifers in mining areas. Utility Model Content

[0007] In view of the deficiencies of the prior art, the present invention provides a drilling water-stopping device for grouting and reforming aquifers in mining areas, which solves the problems raised by the above-mentioned background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a drilling water-stopping device for grouting and transformation of aquifers in mining areas, comprising a probe rod, with a closing component and a cleaning component respectively provided at both ends of the probe rod, a matching airbag component and a sealing sleeve are sleeved on the probe rod, and a chassis is also sleeved, the closing component comprises a first mounting plate and a first closing strip and a second closing strip on its surface, the airbag component comprises a sleeved inner airbag and an outer laminating bag, a transition portion and a dividing strip are fixedly provided in the middle of the inner airbag and the middle of the outer laminating bag respectively, the cleaning component comprises a second mounting plate and a first cleaning wing plate and a second cleaning wing plate on its surface.

[0009] As a further technical solution of the present invention, the first mounting plate and one end of the probe rod are fixedly sleeved, and the first closing strip and the second closing strip are staggered and distributed in multiple groups along the outer surface of the first mounting plate, and the first closing strip and the second closing strip are arranged in an arc-shaped outward protrusion.

[0010] As a further technical solution of the present invention, the first closing strip and the second closing strip are configured as hard plastic strips.

[0011] As a further technical solution of the present invention, the second mounting plate and one end of the probe rod are fixedly sleeved, and the first cleaning wing plate and the second cleaning wing plate are both fan-shaped and tilted upward in multiple groups. The first cleaning wing plate and the second cleaning wing plate are both configured as metal elastic plates, and the two are staggered up and down along the surface of the probe rod.

[0012] As a further technical solution of the present invention, the inner airbag and the outer sealing bag are both arranged horizontally in an "I" shape, the outer sealing bag is arranged outside the inner airbag, and the edge positions at both ends of the outer sealing bag and the inner airbag are sealed and fixedly connected, and a through hole is opened on the surface of the inner airbag.

[0013] As a further technical solution of the present invention, the transition part is concavely arranged in the center of the inner airbag, and its surface is provided with raised rubber particles, while the separating strip is arranged as a hard plastic strip, which is arranged in contact with the surface of the transition part.

[0014] As a further technical solution of the present invention, the sealing sleeve and the probe rod are fixedly connected and are located at both ends of the airbag assembly. Multiple groups are provided according to the airbag assembly.

[0015] The utility model provides a drilling water-stopping device for grouting and reforming aquifers in mining areas, which has the following beneficial effects compared with the existing technology:

[0016] 1. This design is a drilling water-stopping device for grouting and transformation of aquifers in mining area management. By coordinating the first mounting plate with the first and second sealing strips with staggered distribution on the surface, the top opening of the external borehole can be sealed.

[0017] 2. This design is a drilling water-stopping device for grouting and transformation of aquifers in mining area management. Through the second mounting plate and the first cleaning wing plate and the second cleaning wing plate with an upwardly inclined surface, the inner wall of the external borehole can be cleaned.

[0018] 3. This design is a drilling water-stopping device for grouting and transformation of aquifers in mining area management. It achieves the effect of water-stopping and sealing the inside of the external borehole through the inner air bag and outer bonding bag. The middle position of the inner air bag and the outer bonding bag are squeezed through the transition part and the dividing zone, so that the overall air bag component can fit well with the inner wall of the external borehole to achieve the effect of water-stopping and sealing. The sealing sleeve is used to ensure the sealing of the air bag component and the probe rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural front view of a drilling water-stopping device for grouting and reforming aquifers in a mining area;

[0020] Figure 2 This is a schematic diagram of the connection of a cleaning component for a drilling water stop device used for grouting and reforming aquifers in a mining area.

[0021] Figure 3 This is an exploded view of the airbag assembly connection for a drilling water stop device used for grouting and reforming aquifers in a mining area.

[0022] Figure 4 This is a schematic diagram of the connection of the airbag components of a drilling water stop device for grouting and reforming aquifers in a mining area;

[0023] Figure 5 This is a front view of the connection of a cleaning component of a drilling water stop device for grouting and reforming aquifers in a mining area;

[0024] In the figure: 1. Probe rod; 2. Closing assembly; 3. Chassis; 4. Airbag assembly; 5. Sealing sleeve; 6. Cleaning assembly; 7. First mounting plate; 8. First closing strip; 9. Second closing strip; 10. Inner airbag; 11. Outer fitting bag; 12. Transition portion; 13. Separation strip; 14. Second mounting plate; 15. First cleaning wing; 16. Second cleaning wing. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-5 The utility model provides a technical solution for a drilling water-stopping device for grouting and transforming aquifers in mining areas: it includes a probe rod 1, with a closing component 2 and a cleaning component 6 respectively provided at both ends of the probe rod 1, a matching airbag component 4 and a sealing sleeve 5 are sleeved on the probe rod 1, and a chassis 3 is also sleeved thereon, the closing component 2 includes a first mounting plate 7 and a first closing strip 8 and a second closing strip 9 on the surface thereof, the airbag component 4 includes a sleeved inner airbag 10 and an outer bonding bag 11, a transition portion 12 and a dividing strip 13 are fixedly provided in the middle of the inner airbag 10 and the middle of the outer bonding bag 11 respectively, the cleaning component 6 includes a second mounting plate 14 and a first cleaning wing plate 15 and a second cleaning wing plate 16 on the surface thereof.

[0027] like Figure 1-2 As shown, the first mounting plate 7 and one end of the probe rod 1 are fixedly sleeved, and the first closing strip 8 and the second closing strip 9 are staggeredly distributed in multiple groups along the outer surface of the first mounting plate 7, and the first closing strip 8 and the second closing strip 9 are arranged in an arc-shaped outward protrusion. The first closing strip 8 and the second closing strip 9 are set as hard plastic strips. The first mounting plate 7 cooperates with the first closing strip 8 and the second closing strip 9 staggeredly distributed on the surface to achieve the effect of sealing the top opening position of the external drilled hole.

[0028] After the probe rod 1 is inserted into the external drilled hole to complete the water-stop sealing, the first mounting plate 7 and the first sealing strip 8 and the second sealing strip 9 on its surface are located at the top opening position of the drilled hole. At this time, the first sealing strip 8 and the second sealing strip 9 that are staggered can close and block the opening position at the top of the drilled hole.

[0029] like Figure 5 As shown, the second mounting plate 14 is fixedly sleeved with one end of the probe rod 1, and the first cleaning wing plate 15 and the second cleaning wing plate 16 are both fan-shaped wing plates inclined upwardly and arranged in multiple groups. The first cleaning wing plate 15 and the second cleaning wing plate 16 are both set as metal elastic plates, and the two are staggered up and down along the surface of the probe rod 1. The second mounting plate 14 cooperates with the first cleaning wing plate 15 and the second cleaning wing plate 16 whose surface is inclined upwardly, so as to achieve the effect of cleaning the inner wall of the external borehole.

[0030] When the probe rod 1 is inserted into the external drilled hole, the cleaning assembly 6 is embedded in the external drilled hole as a whole along with the probe rod 1. As the probe rod 1 is inserted, the first cleaning wing plate 15 and the second cleaning wing plate 16 scrape and clean the inner wall of the external drilled hole to prevent the silt remaining on the inner wall of the drilled hole from affecting the subsequent water-tightness of the airbag.

[0031] like Figure 3-4As shown, the inner airbag 10 and the outer sealing bag 11 are both arranged horizontally in an "I" shape, the outer sealing bag 11 is sleeved outside the inner airbag 10, and the edge positions of the two ends of the outer sealing bag 11 and the inner airbag 10 are sealed and fixedly connected. A through hole is opened on the surface of the inner airbag 10, and the transition part 12 is concavely arranged in the center of the inner airbag 10, and its surface is provided with raised rubber particles, and the separating strip 13 is set as a hard plastic strip, which is arranged on the surface of the transition part 12, and the sealing sleeve 5 and the probe 1 are fixedly sleeved. It is located at both ends of the airbag assembly 4, and multiple groups are arranged according to the airbag assembly 4. Through the inner airbag 10 and the outer bonding bag 11, the inside of the external drilled hole is water-sealed. The middle section of the inner airbag 10 and the outer bonding bag 11 are squeezed through the transition portion 12 and the dividing strip 13, so that the airbag assembly 4 as a whole can fit well with the inner wall of the external drilled hole to achieve a water-sealed effect. The sealing sleeve 5 is used to ensure the sealing of the airbag assembly 4 and the probe rod 1.

[0032] When the probe rod 1 is extended into the external drilled hole, the external air pump structure starts to deliver airflow to the probe rod 1, so that the inner airbag 10 in the airbag assembly 4 is inflated first. The inflation and expansion of the inner airbag 10 causes the outer laminating bag 11 to expand at the same time. Affected by the transition part 12 and the dividing strip 13, the two end positions of the inner airbag 10 and the outer laminating bag 11 can effectively fit the inner wall of the external drilled hole after expansion, thereby achieving a water-stopping sealing effect.

[0033] The working principle of the present utility model is: when the device is in use, the cleaning component 6 therein is first used to complete the cleaning operation of the residual silt in the inner wall of the external drilled hole, so as to facilitate the subsequent effective fitting and water-stopping of the airbag and the inner wall of the drilled hole. After the gas is introduced, the inner airbag 10 and the outer fitting bag 11 in the airbag component 4 expand and fit the inner wall of the drilled hole to achieve the water-stopping operation. The airbag component 4 is a double-layer setting, and has good pressure resistance and fit when it contacts the raised or recessed position inside the external drilled hole.

[0034] The above description is merely a preferred embodiment of the present invention. It should be noted that those skilled in the art may make various improvements and modifications without departing from the principles of the present invention, and such improvements and modifications should be considered within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described or explained in this invention shall, unless otherwise specified or limited, be implemented in accordance with conventional means in the art.

Claims

1. A drilling water-stopping device for grouting and reforming aquifers in a mining area, comprising a probe rod (1), characterized in that: The two ends of the probe rod (1) are respectively provided with a closing assembly (2) and a cleaning assembly (6); the probe rod (1) is sleeved with a matching air bag assembly (4) and a sealing sleeve (5), and is also sleeved with a chassis (3); The closing assembly (2) comprises a first mounting plate (7) and a first closing strip (8) and a second closing strip (9) on the surface thereof; the airbag assembly (4) comprises a sleeved inner airbag (10) and an outer laminating bag (11); a transition portion (12) and a separating strip (13) are fixedly provided in the middle of the inner airbag (10) and the middle of the outer laminating bag (11), respectively; the cleaning assembly (6) comprises a second mounting plate (14) and a first cleaning wing plate (15) and a second cleaning wing plate (16) on the surface thereof.

2. The device for grouting and reforming aquifers in mining areas according to claim 1 is characterized by: The first mounting plate (7) and one end of the probe rod (1) are fixedly sleeved, and the first closing strip (8) and the second closing strip (9) are staggered and distributed in multiple groups along the outer surface of the first mounting plate (7), and the first closing strip (8) and the second closing strip (9) are arranged in an arc-shaped outward protrusion.

3. The device for grouting and reforming aquifers in mining areas according to claim 2 is characterized by: The first closing strip (8) and the second closing strip (9) are configured as hard plastic strips.

4. The device for grouting and reforming aquifers in mining areas according to claim 1 is characterized by: The second mounting plate (14) is fixedly sleeved with one end of the probe rod (1), and the first cleaning wing plate (15) and the second cleaning wing plate (16) are both fan-shaped wing plates and are arranged in multiple groups with an upward tilt.

5. The device for grouting and reforming aquifers in mining areas according to claim 4 is characterized by: The first cleaning wing plate (15) and the second cleaning wing plate (16) are both configured as metal elastic plates, and are staggered in an up-and-down manner along the surface of the probe rod (1).

6. The device for grouting and reforming aquifers in mining areas according to claim 1 is characterized by: The inner airbag (10) and the outer sealing bag (11) are both arranged transversely in an "I" shape. The outer sealing bag (11) is sleeved outside the inner airbag (10), and the edges of both ends of the outer sealing bag (11) and the inner airbag (10) are sealed and fixedly connected. A through hole is opened on the surface of the inner airbag (10).

7. The device for grouting and reforming aquifers in mining areas according to claim 1 is characterized by: The transition portion (12) is concavely arranged at the center of the inner airbag (10), and its surface is provided with raised rubber particles, while the separation strip (13) is arranged as a hard plastic strip, which is arranged in contact with the surface of the transition portion (12).

8. The device for grouting and reforming aquifers in mining areas according to claim 1 is characterized by: The sealing sleeve (5) and the probe rod (1) are fixedly sleeved and located at both ends of the airbag assembly (4). Multiple groups are provided according to the airbag assembly (4).

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