Drilling structure with grouting filling function in high-pressure environment

Abstract

The invention relates to the technical field of drilling equipment, and discloses a drilling structure with grouting and filling functions in a high-pressure environment, which comprises a main frame, an opening formed in the bottom of the main frame and a grouting drill rod slidably arranged in the opening in a penetrating manner, a supporting assembly is arranged on the outer side of the main frame, and a first connecting plate and a second connecting plate movably sleeve the outer part of the top of the grouting drill rod. And connecting rings fixedly connected to the outer wall of the grouting drill rod in a sleeving mode are rotationally connected to the interiors of the first connecting plate and the second connecting plate correspondingly, and a first gear is fixedly connected to the portion, located between the first connecting plate and the second connecting plate, of the outer wall of the grouting drill rod in a sleeving mode. According to the device, filling slurry can be rapidly injected into rock stratum cracks, the corresponding position of the grouting drill rod can be adaptively regulated and controlled, the application range is wide, the grouting drill rod after drilling can be cooled, constructors can conveniently clean the used grouting drill rod, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of drilling equipment, in particular to a drilling structure with grouting filling in a high-pressure environment. Background Art

[0002] Grouting is a technology that injects filling slurry into rock cracks under high pressure through drilling to support and reinforce the rock formation.

[0003] A patent document with an existing application number of CN2016214142854 and a publication date of 2017-08-29 discloses a drilling structure with grouting filling for use in a high-pressure environment, including an orifice device, wherein the orifice device includes a production casing, a drill pipe adapter and a grouting drill pipe, the drill pipe adapter is arranged inside the production casing and is connected to the two end ports of the production casing, the grouting drill pipe is fixedly connected to the two end ports of the production casing through the drill pipe adapter, a pressure gauge is provided at the top of the grouting drill pipe, a group of quick connectors are symmetrically arranged on the side wall above the grouting drill pipe, a pressure gauge and a quick connector are respectively arranged on the two side walls of the production casing, and a group of connecting flanges are respectively arranged on the two end ports of the production casing. The utility model is easy to use, simple to operate, energy-saving and consumption-reducing, high in safety and high in reliability.

[0004] Although this drilling structure can inject filling slurry into rock fractures under high pressure, during the application process, the grouting drill rod of the grouting drill rod cannot adaptively adjust the corresponding position of the grouting drill rod according to the application environment, which is inconvenient to use. For this reason, we propose a drilling structure with grouting filling in a high-pressure environment. Summary of the invention

[0005] In order to solve the technical problem that the existing drilling structure is inconvenient to use, the present invention provides a drilling structure with grouting filling in a high-pressure environment.

[0006] The present invention is implemented by the following technical scheme: a drilling structure with grouting filling in a high-pressure environment, comprising a main frame, an opening provided at the bottom of the main frame and a grouting drill rod slidably inserted into the opening, a support assembly is provided on the outside of the main frame, an external movable sleeve on the top of the grouting drill rod is provided with a connecting plate 1 and a connecting plate 2, the insides of the connecting plate 1 and the connecting plate 2 are both rotatably connected with a connecting ring fixedly sleeved on the outer wall of the grouting drill rod, a gear 1 is fixedly sleeved on the outer wall of the grouting drill rod located between the connecting plate 1 and the connecting plate 2, a driving shaft is provided on one side of the gear 1, a gear 2 meshing with the gear 1 is fixedly sleeved on the outer wall of the driving shaft, threaded columns are provided on both sides of the grouting drill rod, and driving sleeves threadedly sleeved on the outer walls of adjacent threaded columns are embedded at both ends of the connecting plate 1 and the connecting plate 2. Through the operation of the above components, construction personnel can conveniently transport slurry to the cracks in the rock formation.

[0007] As a further improvement of the above scheme, one end of the drive shaft is transmission-connected to a motor 1 fixed on a connecting plate 2, and the other end of the drive shaft is rotationally connected to the connecting plate 1. The operation of the motor 1 can drive the drive shaft to rotate.

[0008] As a further improvement of the above scheme, one end of the threaded column is transmission connected to motor 2 fixed on the inner wall of the top of the main frame, and the other end of the threaded column is rotationally connected to the inner wall of the bottom of the main frame. The operation of motor 2 can drive the threaded column to rotate.

[0009] As a further improvement of the above scheme, the support assembly includes support plates arranged on both sides of the main frame, support columns are fixed on both sides of the main frame, gear three is fixedly sleeved on the outer wall of the support column, one side of the gear three is provided with a rack plate meshing with gear three, a pushing block is fixed to the bottom of the rack plate, a hydraulic cylinder fixed on an adjacent support plate is provided below the pushing block, a piston end of the hydraulic cylinder is fixed on an adjacent pushing block, an end of the support column located on one side of the main frame away from the main frame is rotatably connected to one of the support plates, and the support column located on the other side of the main frame away from the main frame is rotatably connected to one of the support plates One end of the frame passes through the outside of the other support plate and is fixed with a driving plate 1. A water tank fixed to an adjacent support plate is provided below the driving plate 1. A pressure plate is slidably connected to the inside of the water tank. A sliding hole is provided on the top of the water tank. A driving plate 2 fixed to the top of the pressure plate is slidably penetrated inside the sliding hole. A driving plate 3 is hingedly connected to the end of the driving plate 2 away from the pressure plate. An end of the driving plate 2 away from the pressure plate is hingedly connected to the end of the driving plate 1 away from the supporting column. A through hole is provided at one end of the pressure plate. A water pipe is slidably penetrated inside the through hole. One end of the pipe passes through the outside of the water tank, and the water pipe located outside the water tank is equipped with multiple nozzles corresponding to the grouting drill rod at the output end, and the nozzles are fixed on the adjacent support plates. A connecting rod is rotatably inserted inside the water pipe located inside the water tank, and a plurality of spiral blades rotating inside the water pipe are fixedly sleeved on the outer wall of the connecting rod located inside the water pipe. The end of the connecting rod located outside the water pipe is rotatably connected to the inner wall of the water tank, and one side of the connecting rod located outside the water pipe is provided with a transmission rod rotatably connected to the inner wall of the bottom of the water tank, and the outer movable sleeve of the transmission rod is provided with a fixed screw cap fixed to the water tank. An internal filter screen is provided with a cleaning brush fixed on the outside of a transmission rod above the filter screen, and the bristles of the cleaning brush are in contact with the filter screen. A gear four is fixedly sleeved on the outer wall of the transmission rod below the filter screen, and a gear five meshing with the gear four is fixedly sleeved on the outer wall of the linkage rod. Through the operation of the support assembly, the grouting drill rod can be flexibly regulated, the used grouting drill rod can be cooled and flushed, the water entering the water pipe can be filtered, and the filter screen can be unblocked to prevent the filter screen from being blocked after a long period of filtration.

[0010] As a further improvement of the above scheme, the filter net is provided with a connecting hole, the water pipe slides inside the connecting hole, the end of the water pipe located inside the water tank is located below the filter net, and the water entering the water pipe can be filtered through the filter net located above the end of the water pipe.

[0011] As a further improvement of the above solution, the cleaning brush rotates inside the water tank, and a stopper is fixed to the end of the transmission rod above the filter. The cleaning brush rotates inside the water tank, which can prevent the water tank from interfering with the rotation of the cleaning brush.

[0012] As a further improvement of the above scheme, a liquid level valve is installed on the outside of the water tank, and a sealing ring is fixedly sleeved on the outside of the pressure plate. Through the liquid level valve, the user can conveniently inject water into the water tank. A movable door is hinged on the outside of the water tank, and a rubber ring is provided on the outside of the movable door.

[0013] As a further improvement of the above solution, a base block is fixed to the bottom of the support plate away from the main frame, and the water tank is fixed to the top side of the base block. The stability of the support plate can be improved through the base block.

[0014] As a further improvement of the above scheme, a sliding groove is provided on the side of the support plate close to the main frame, and a sliding block is slidably connected inside the sliding groove. The end of the push block away from the rack plate is fixed on the adjacent sliding block, and the push block slides in the notch of the sliding groove. The width of the sliding block is greater than the width of the notch of the sliding groove. Through the sliding cooperation between the sliding groove and the sliding block, the displacement of the push block can be limited, thereby improving the stability of the rack plate.

[0015] As a further improvement of the above scheme, annular grooves are provided on the inner walls of the connecting plate 1 and the connecting plate 2, and a plurality of support blocks rotating inside the annular grooves are fixed to the outer wall of the connecting ring. Through the cooperation of the annular grooves and the support blocks, the connecting ring is confined inside the connecting plate 1 and the connecting plate 2, thereby improving the stability of the connecting ring and the grouting drill rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention can quickly inject filling slurry into rock formation fissures, can adaptively adjust the corresponding position of the grouting drill rod according to the application environment, has a wide range of applications, can cool the grouting drill rod after drilling, can facilitate construction personnel to clean the grouting drill rod after use, and is easy to use.

[0018] 2. The present invention can effectively filter the cooling water liquid, prevent the impurities in the cooling water liquid from clogging the cooling component, and can dredge the filter component to prevent the filter component from being blocked after a long period of filtering work. It has strong endurance and can provide limited support for the grouting drill rod, thereby improving the stability of the grouting drill rod and having high safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of a borehole structure with grouting filling in a high pressure environment;

[0020] Figure 2 A schematic diagram of a driving plate 1 in a borehole structure with grouting filling in a high pressure environment;

[0021] Figure 3 A cross-sectional view of a borehole structure with grouting filling in a high pressure environment;

[0022] Figure 4 It is a structural schematic diagram of the main frame in a drilling structure with grouting filling in a high-pressure environment;

[0023] Figure 5 A cross-sectional view of a water tank in a borehole structure with grout filling in a high pressure environment;

[0024] Figure 6 This is a schematic diagram of the structure of the linkage rod in a drilling structure with grouting filling in a high-pressure environment.

[0025] Description of main symbols:

[0026] 1. Main frame; 2. Opening; 3. Grouting drill rod; 4. Connecting plate 1; 5. Connecting plate 2; 6. Threaded column; 7. Support plate; 8. Support column; 9. Gear 3; 10. Rack plate; 11. Push block; 12. Hydraulic cylinder; 13. Water tank; 14. Press plate; 15. Water pipe; 16. Nozzle; 17. Drive plate 1; 18. Drive plate 3; 19. Drive plate 2; 20. Filter; 21. Transmission rod; 22. Cleaning brush; 23. Link rod; 24. Gear 4; 25. Gear 5; 26. Base block; 27. Sliding groove; 28. Sliding block. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0028] Embodiment 1:

[0029] Combination Figure 1 and Figure 4The drilling structure with grouting filling in a high-pressure environment of this embodiment includes a main frame 1, an opening 2 opened at the bottom of the main frame 1 and a grouting drill rod 3 slidably inserted into the opening 2. The grouting drill rod 3 is provided with multiple through holes, a supporting assembly is provided on the outside of the main frame 1, and an external movable sleeve on the top of the grouting drill rod 3 is provided with a connecting plate 1 4 and a connecting plate 2 5. The insides of the connecting plate 1 4 and the connecting plate 2 5 are both rotatably connected with a connecting ring fixedly sleeved on the outer wall of the grouting drill rod 3. The outer wall of the grouting drill rod 3 located between the connecting plate 1 4 and the connecting plate 2 5 is fixedly sleeved with a gear 1, a driving shaft is provided on one side of the gear 1, and a gear 2 meshing with the gear 1 is fixedly sleeved on the outer wall of the driving shaft. Threaded columns 6 are provided on both sides of the grouting drill rod 3, and both ends of the connecting plate 1 4 and the connecting plate 2 5 are embedded with drive sleeves threadedly sleeved on the outer walls of adjacent threaded columns 6.

[0030] The implementation principle of the drilling structure with grouting filling in a high-pressure environment in the embodiment of the present application is: when it is necessary to inject filling slurry into the rock formation fissures, the rotation of the driving shaft drives gear 2 to rotate, drives gear 1 to rotate, and drives the grouting drill rod 3 to rotate. Then, the threaded column 6 can be rotated, and the threaded column 6 and the driving sleeve can cooperate to drive the connecting plate 1 4 and the connecting plate 2 5 to perform vertical displacement, and drive the grouting drill rod 3 to perform vertical displacement. At this time, the grouting drill rod 3 can enter the rock formation by rotating it for vertical displacement, and then the grouting equipment can be connected to the grouting drill rod 3, and the slurry can be injected into the grouting drill rod 3 through the grouting equipment, and the slurry inside the grouting drill rod 3 is transported to the fissures of the rock formation through the through holes on the grouting drill rod 3.

[0031] One end of the drive shaft is transmission-connected to a motor 1 fixed on a connecting plate 2 5, and the motor 1 is a forward and reverse motor. The other end of the drive shaft is rotationally connected to a connecting plate 1 4, and the operation of the motor 1 can drive the drive shaft to rotate.

[0032] One end of the threaded column 6 is transmission-connected to a second motor fixed on the top inner wall of the main frame 1, and the other end of the threaded column 6 is rotationally connected to the inner wall at the bottom of the main frame 1. The operation of the second motor can drive the threaded column 6 to rotate.

[0033] Embodiment 2:

[0034] Combination Figure 3 , Figure 5 and Figure 6On the basis of embodiment 1, the present embodiment is further improved in that: the support assembly includes support plates 7 arranged on both sides of the main frame 1, support columns 8 are fixed on both sides of the main frame 1, and the outer wall of the support column 8 is fixedly sleeved with a gear three 9, and one side of the gear three 9 is provided with a rack plate 10 meshing with the gear three 9, and a pushing block 11 is fixed to the bottom of the rack plate 10, and a hydraulic cylinder 12 fixed to the adjacent support plate 7 is provided below the pushing block 11, and the piston end of the hydraulic cylinder 12 is fixed to the adjacent pushing block 11, and the end of the support column 8 on one side of the main frame 1 away from the main frame 1 is rotatably connected to one of the support plates 7, and the end of the support column 8 on the other side of the main frame 1 away from the main frame 1 passes through the outside of the other support plate 7 and is fixed with a driving plate 17, and the lower part of the driving plate 17 A water tank 13 fixed on the adjacent support plate 7 is provided, and a pressure plate 14 is slidably connected inside the water tank 13. A sliding hole is provided on the top of the water tank 13, and a driving plate 2 19 fixed on the top of the pressure plate 14 is slidably penetrated inside the sliding hole, and a driving plate 3 18 is hingedly connected to the end of the driving plate 2 19 away from the pressure plate 14, and an end of the driving plate 3 18 away from the driving plate 2 19 is hinged to an end of the driving plate 17 away from the support column 8. A perforation is provided at one end of the pressure plate 14, and a water pipe 15 is slidably penetrated inside the perforation, and one end of the water pipe 15 passes through the outside of the water tank 13. The water pipe 15 located outside the water tank 13 is equipped with a plurality of nozzles 16 corresponding to the grouting drill rod 3 at the output end, and the nozzle 16 is fixed on the adjacent support plate 7. The water pipe located inside the water tank 13 A connecting rod 23 is rotatably inserted inside the water pipe 15, and a plurality of spiral blades rotating inside the water pipe 15 are fixedly sleeved on the outer wall of the connecting rod 23 located inside the water pipe 15. The end of the connecting rod 23 located outside the water pipe 15 is rotatably connected to the inner wall of the water tank 13, and a transmission rod 21 rotatably connected to the inner wall of the bottom of the water tank 13 is provided on one side of the connecting rod 23 located outside the water pipe 15. A filter screen 20 fixed inside the water tank 13 is movably sleeved on the outer side of the transmission rod 21, and a cleaning brush 22 fixed on the outer side of the transmission rod 21 is provided above the filter screen 20. The bristles of the cleaning brush 22 contact the filter screen 20, and a gear 24 is fixedly sleeved on the outer wall of the transmission rod 21 located below the filter screen 20, and a gear 24 meshing with the gear 24 is fixedly sleeved on the outer wall of the connecting rod 23. The gear five 25 drives the push block 11 to move vertically through the operation of the hydraulic cylinder 12, drives the rack plate 10 to move vertically, drives the gear three 9 to rotate through the vertically displaced rack plate 10, drives the support column 8 to deflect, drives the main frame 1 and the grouting drill rod 3 to deflect, and the corresponding position of the grouting drill rod 3 can be adjusted at this time. When it is necessary to cool and flush the used grouting drill rod 3, a sufficient amount of water can be injected into the water tank 13. The push block 11 is driven to move vertically through the operation of the hydraulic cylinder 12, drives the rack plate 10 to move vertically, drives the gear three 9 to rotate through the vertically displaced rack plate 10, drives the support column 8 to deflect, drives the drive plate one 17 to deflect, and drives the drive plate three 18 to deflect.The driving plate 19 is driven to move vertically. At this time, the pressing plate 14 can be driven to move vertically by the vertically displaced driving plate 19. At this time, the water inside the water tank 13 can be pressed by the vertically displaced pressing plate 14 to enter the water pipe 15. The water entering the water pipe 15 will be sprayed out through the nozzle 16. The water sprayed by the nozzle 16 can wash and cool the grouting drill rod 3. The water entering the water pipe 15 will be filtered by the filter 20 to remove impurities in the water, thereby improving the purity of the water inside the water pipe 15. Cleanliness, to prevent impurities in the water from clogging the nozzle 16. When the water enters the water pipe 15, the water entering the water pipe 15 will push the spiral blade inside the water pipe 15 to rotate, drive the linkage rod 23 to rotate, drive the gear five 25 to rotate, drive the gear four 24 to rotate, drive the transmission rod 21 to rotate, drive the cleaning brush 22 to rotate, and then the filter 20 can be dredged by the rotating cleaning brush 22 to prevent the filter 20 from being blocked after a long period of filtering.

[0035] The filter net 20 is provided with a connecting hole, and the water pipe 15 slides inside the connecting hole. The end of the water pipe 15 located inside the water tank 13 is located below the filter net 20. The water entering the water pipe 15 can be filtered through the filter net 20 located above the end of the water pipe 15.

[0036] The cleaning brush 22 rotates inside the water tank 13 , and a stopper is fixed to the end of the transmission rod 21 above the filter 20 . The cleaning brush 22 rotates inside the water tank 13 , which can prevent the water tank 13 from interfering with the rotation of the cleaning brush 22 .

[0037] Embodiment 3:

[0038] Combination Figure 2 Based on Example 1, this embodiment is further improved in that a liquid level valve is installed on the outside of the water tank 13, and a sealing ring is fixedly sleeved on the outside of the pressure plate 14. Through the liquid level valve, the user can conveniently inject water into the water tank 13. A movable door is hinged on the outside of the water tank 13, and a rubber ring is provided on the outside of the movable door.

[0039] A base block 26 is fixed to the bottom of the support plate 7 away from the main frame 1, and the water tank 13 is fixed to the top side of the base block 26. The base block 26 can improve the stability of the support plate 7.

[0040] A sliding groove 27 is provided on one side of the support plate 7 close to the main frame 1, and a sliding block 28 is slidably connected inside the sliding groove 27. The end of the push block 11 away from the rack plate 10 is fixed on the adjacent sliding block 28. The push block 11 slides in the notch of the sliding groove 27. The width of the sliding block 28 is greater than the width of the notch of the sliding groove 27. Through the sliding cooperation between the sliding groove 27 and the sliding block 28, the displacement of the push block 11 can be limited, thereby improving the stability of the rack plate 10.

[0041] An annular groove is provided on the inner wall of connecting plate 1 4 and connecting plate 2 5, and a plurality of support blocks rotating inside the annular groove are fixed to the outer wall of the connecting ring. Through the cooperation of the annular groove and the support block, the connecting ring is confined inside connecting plate 1 4 and connecting plate 2 5, thereby improving the stability of the connecting ring and the grouting drill rod 3.

[0042] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A drilling structure with grouting filling in a high pressure environment, comprising a main frame, an opening at the bottom of the main frame and a grouting drill rod slidably inserted into the opening, characterized in that: A supporting assembly is provided on the outside of the main frame, and an external movable sleeve on the top of the grouting drill rod is provided with a connecting plate 1 and a connecting plate 2. The insides of the connecting plate 1 and the connecting plate 2 are rotatably connected with a connecting ring fixedly sleeved on the outer wall of the grouting drill rod. A gear 1 is fixedly sleeved on the outer wall of the grouting drill rod located between the connecting plate 1 and the connecting plate 2. A driving shaft is provided on one side of the gear 1, and a gear 2 meshing with the gear 1 is fixedly sleeved on the outer wall of the driving shaft. Threaded columns are provided on both sides of the grouting drill rod, and both ends of the connecting plate 1 and the connecting plate 2 are embedded with drive sleeves threadedly sleeved on the outer walls of adjacent threaded columns.

2. The drilling structure with grouting filling in a high pressure environment according to claim 1, characterized in that: One end of the driving shaft is transmission-connected to a motor 1 fixed on a connecting plate 2, and the other end of the driving shaft is rotationally connected to the connecting plate 1.

3. The drilling structure with grouting filling in a high pressure environment as claimed in claim 1, characterized in that: One end of the threaded column is transmission-connected to a second motor fixed on the inner wall of the top of the main frame, and the other end of the threaded column is rotationally connected to the inner wall of the bottom of the main frame.

4. The drilling structure with grouting filling in a high pressure environment as claimed in claim 2, characterized in that: The support assembly comprises support plates arranged on both sides of the main frame, support columns are fixed on both sides of the main frame, and the outer wall of the support column is fixedly sleeved with a gear three, and one side of the gear three is provided with a rack plate meshing with the gear three, and the bottom of the rack plate is fixed with a pushing block, and a hydraulic cylinder fixed on the adjacent support plate is provided below the pushing block, and the piston end of the hydraulic cylinder is fixed on the adjacent pushing block, and the support column located on one side of the main frame is rotatably connected to one of the support plates away from the main frame, and the support column located on the other side of the main frame is away from the main frame. One end of the main frame passes through the outside of the other support plate and is fixed with a driving plate one, and a water tank fixed to the adjacent support plate is provided below the driving plate one, and a pressure plate is slidably connected to the inside of the water tank, and a sliding hole is provided on the top of the water tank, and a driving plate two fixed to the top of the pressure plate is slidably penetrated in the sliding hole, and the end of the driving plate two away from the pressure plate is hinged with a driving plate three, and the end of the driving plate three away from the driving plate two is hinged to the driving plate one A through hole is formed at one end of the pressure plate away from one end of the support column, a water pipe is slidably penetrated inside the through hole, one end of the water pipe passes through the outside of the water tank, a plurality of nozzles corresponding to the grouting drill rod at the output end are installed on the water pipe outside the water tank, the nozzles are fixed on adjacent support plates, a connecting rod is rotatably inserted inside the water pipe inside the water tank, a plurality of spiral blades rotating inside the water pipe are fixedly sleeved on the outer wall of the connecting rod inside the water pipe, the end of the connecting rod outside the water pipe is rotatably connected to the inner wall of the water tank, a transmission rod rotatably connected to the inner wall of the bottom of the water tank is provided on one side of the connecting rod outside the water pipe, a filter screen fixed inside the water tank is movably sleeved on the outer side of the transmission rod, a cleaning brush fixed on the outer side of the transmission rod is provided above the filter screen, the bristles of the cleaning brush are in contact with the filter screen, a gear four is fixedly sleeved on the outer wall of the transmission rod below the filter screen, and a gear five meshing with the gear four is fixedly sleeved on the outer wall of the connecting rod.

5. The drilling structure with grouting filling in a high pressure environment as claimed in claim 4, characterized in that: The filter screen is provided with a communication hole, the water delivery pipe slides inside the communication hole, and the end of the water delivery pipe located inside the water tank is located below the filter screen.

6. The drilling structure with grouting filling in a high pressure environment as claimed in claim 4, characterized in that: The cleaning brush rotates inside the water tank, and a stopper is fixed on the end of the transmission rod above the filter net.

7. The drilling structure with grouting filling in a high pressure environment as claimed in claim 4, characterized in that: A liquid level valve is installed on the outer side of the water tank, and a sealing ring is fixedly sleeved on the outer side of the pressure plate.

8. The drilling structure with grouting filling in a high pressure environment as claimed in claim 4, characterized in that: A base block is fixed to the bottom of the support plate away from the main frame, and the water tank is fixed to the top side of the base block.

9. The drilling structure with grouting filling in a high pressure environment as claimed in claim 4, characterized in that: A sliding groove is provided on one side of the support plate close to the main frame, and a sliding block is slidably connected inside the sliding groove. The end of the push block away from the rack plate is fixed on the adjacent sliding block, and the push block slides in the notch of the sliding groove. The width of the sliding block is greater than the width of the notch of the sliding groove.

10. The drilling structure with grouting filling in a high pressure environment according to claim 1, characterized in that: The inner walls of the connecting plate 1 and the connecting plate 2 are provided with annular grooves, and the outer wall of the connecting ring is fixed with a plurality of supporting blocks rotating inside the annular grooves.

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