A coal mine drilling and grouting device

Abstract

The coal mine drilling and grouting device relates to the drilling and grouting technical field and comprises a bottom plate, a slurry barrel arranged on the upper surface of the bottom plate and communicated with an elastic hose at one side, an injection pipe communicated with the other end of the elastic hose, a first adjusting assembly arranged on the upper surface of the bottom plate and located at one side of the slurry barrel and used for adjusting the height of the injection pipe, and a second adjusting assembly arranged on the first adjusting assembly and used for adjusting the position in the front-rear direction and the position in the left-right direction of the injection pipe. The coal mine drilling and grouting device can perform the grouting operation on the drilling at different positions and improves the practicability of the device.

Description

Technical Field

[0001] This invention relates to the field of drilling grouting technology, and in particular to a drilling grouting device for coal mines. Background Technology

[0002] In coal mine drilling or mining processes, borehole grouting devices are commonly used equipment. During use, operators adjust the height of the grouting pipe using the device's adjustment mechanism, while simultaneously using a mixing tank to agitate the grout and prevent solidification, thus meeting basic grouting requirements.

[0003] However, traditional drilling and grouting devices have obvious limitations in practical use: because the construction location of the borehole is often complex and variable, the existing adjustment components are not flexible enough, making it difficult for workers to accurately adjust the device according to the specific construction location, resulting in poor practicality. Summary of the Invention

[0004] To address the problems existing in the prior art, the present invention provides a drilling and grouting device for coal mines.

[0005] The technical solution of the present invention is as follows: A drilling and grouting device for coal mines, comprising: Base plate; The grout tank is set on the upper surface of the base plate, and one side is connected to a telescopic hose, the other end of which is connected to a grouting pipe. The first adjustment component is set on the upper surface of the base plate and located on one side of the grout tank, and is used to adjust the height of the grouting pipe. The second adjustment component is installed on the first adjustment component and is used to adjust the position of the grouting pipe in the front-back direction and the left-right direction.

[0006] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, the second adjustment component includes an adjustment box and a worm gear, a worm wheel, a transmission shaft, a gear, a limit frame, and a moving frame disposed within the adjustment box; The worm gear is movably installed inside the adjustment box. A worm wheel meshes with its outer surface. A drive shaft is inserted inside the worm wheel. A gear is sleeved on the outer surface of the drive shaft. A movable frame is installed outside the gear. A rack that meshes with the gear is fixedly connected to the inner wall of the movable frame. A grouting pipe is installed on the front side of the movable frame, and limit frames are movably connected to it on both sides. The limit frames are used to restrict the linear movement of the movable frame in the front-back direction. As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, the second adjustment component further includes a lead screw, a threaded sleeve, and a slider disposed in the adjustment box; There are two lead screws, one above the other, located inside the adjustment box and movably connected to the adjustment box. The threads on their outer surfaces are connected to threaded sleeves, and sliders are fitted on the outer surfaces of the threaded sleeves. The sliders on the two lead screws are rotatably connected to both ends of the drive shaft, and the drive shaft can move left and right with the sliders.

[0007] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, the second adjustment component further includes a drive motor disposed outside the adjustment box; The worm gear is rotatably mounted in the adjustment box via a first rotating shaft, one end of which is fixedly connected to the output end of the drive motor.

[0008] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, the second adjustment component further includes a reduction motor, a transmission wheel, and a transmission belt; Two lead screws are respectively rotatably mounted in the adjustment box via a second rotating shaft, and one of the second rotating shafts of the two lead screws is connected to the output end of the geared motor; There are two drive wheels, which are connected by a drive belt, and each drive wheel is connected to the second shaft of a lead screw.

[0009] In a preferred embodiment of the drilling and grouting device for coal mines according to the present invention, a limiting slide rod is provided on the limiting frame, and the two ends of the limiting slide rod are respectively fixedly connected to the inner wall of the adjusting box.

[0010] In a preferred embodiment of the drilling and grouting device for coal mines according to the present invention, a through groove is provided on the outer surface of the front end of the adjusting box, and a groove is provided on the upper surface. The moving frame can move back and forth along the through groove, and the slider at the upper end of the transmission shaft can move left and right along the groove.

[0011] In a preferred embodiment of the drilling and grouting device for coal mines according to the present invention, the first adjusting component includes an adjusting bracket fixedly connected to the upper surface of the base plate, a screw movably disposed inside the adjusting bracket, a stepper motor fixedly connected to the upper surface of the adjusting bracket, and the output end of the stepper motor fixedly connected to the screw, a threaded tube connected to the threaded outer surface of the screw, a placement frame sleeved on the outer surface of the threaded tube, a sliding rod fixedly connected inside the adjusting bracket, a sliding sleeve slidably connected to the outer surface of the sliding rod, the end of the placement frame away from the threaded tube sleeved on the outer surface of the sliding sleeve, and an adjusting box fixedly disposed at the upper end of the placement frame.

[0012] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, the top of the grout tank is provided with a grouting port and a stirring motor, the inside of the grout tank is provided with a stirring paddle, one end of the stirring paddle is fixedly connected to the stirring motor, the bottom of the grout tank is provided with a discharge port, the outer surface of the grout tank is provided with a pneumatic grouting pump that communicates with the grout tank, the output end of the pneumatic grouting pump is fixedly connected with a telescopic hose, and the other end of the telescopic hose (5) passes through the connecting block provided at the front end of the movable frame and communicates with the grouting pipe provided at the front end of the connecting block.

[0013] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, wheels are provided around the lower surface of the base plate, and a push handle is provided on the upper surface of the base plate.

[0014] As a preferred embodiment of the drilling and grouting device for coal mines of the present invention, wheels are provided around the lower surface of the base plate, and a push handle is provided on the upper surface of the base plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: In use, this invention allows for height adjustment of the grouting pipe by setting a first adjustment component to adapt to different grouting heights. By setting a second adjustment component, the grouting pipe can be adjusted to the left and right and front and back positions to suit different grouting locations, thereby improving grouting speed. This invention solves the problem of insufficient flexibility of existing adjustment components, which makes it difficult for workers to accurately adjust the device according to the specific construction location, resulting in poor practicality. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of a drilling and grouting device for coal mines provided in an embodiment of the present invention.

[0018] Figure 2 This is a partial structural schematic diagram of the second adjustment component provided in an embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the internal structure of the adjustment box provided in an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the internal structure of the slurry tank provided in an embodiment of the present invention.

[0021] In the diagram, 1-base plate; 101-wheel; 102-push handle; 2-first adjustment assembly; 202-screw; 203-threaded tube; 204-placement frame; 205-slide rod; 206-slide sleeve; 207-stepper motor; 3-second adjustment assembly; 301-adjustment box; 3011-groove; 302-through groove; 303-limit slide rod; 304-worm gear; 305-worm wheel; 306-drive shaft; 307-gear; 308 - Screw; 309- Threaded sleeve; 310- Slider; 311- Limiting frame; 312- Moving frame; 3121- Rack; 313- Connecting block; 314- Grouting pipe; 315- Drive motor; 316- Gear motor; 317- Transmission wheel; 318- Transmission belt; 4- Grout tank; 401- Grouting port; 402- Agitator; 403- Agitator motor; 404- Discharge port; 405- Pneumatic grouting pump; 5- Telescopic hose. Detailed Implementation

[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] Example 1 Reference Figure 1 , Figure 2 and Figure 3 This is the first embodiment of the present invention, which provides a drilling and grouting device for coal mines, including a base plate 1. A first adjusting component 2 is disposed on the upper surface of the base plate 1, and a second adjusting component 3 is disposed on the first adjusting component 2. A grout tank 4 is disposed on one side of the upper surface of the base plate 1, and a telescopic hose 5 is connected to one side of the grout tank 4. The other end of the telescopic hose 5 is connected to a grouting pipe 314. The first adjusting component 2 is used to adjust the height of the grouting pipe 314, and the second adjusting component is used to adjust the position of the grouting pipe 314 in the front-back direction and the left-right direction.

[0024] In use, this invention allows for height adjustment of the grouting pipe by setting a first adjustment component to adapt to different grouting heights. By setting a second adjustment component, the grouting pipe can be adjusted to the left and right and front and back positions to suit different grouting locations, thereby improving grouting speed. This invention solves the problem of insufficient flexibility of existing adjustment components, which makes it difficult for workers to accurately adjust the device according to the specific construction location, resulting in poor practicality.

[0025] Specifically, the second adjusting assembly 3 includes an adjusting box 301 fixedly mounted on the first adjusting assembly 2. A worm gear 304 is disposed inside the adjusting box 301, with both ends of the worm gear 304 movably connected to the inner walls on both sides of the adjusting box 301. A worm wheel 305 meshes with the worm gear 304 on its outer surface, and a drive shaft 306 is inserted into the worm wheel 305. Below the worm wheel 305, a gear 307 is sleeved on the outer surface of the drive shaft 306. A movable frame 312 is disposed outside the gear 307, and a rack 3121 meshing with the gear 307 is fixedly connected to the inner wall of the movable frame 312. A grouting pipe 314 is disposed on the front side of the movable frame 312, and limit frames 311 are movably connected to both sides of the movable frame 312. The limit frames 311 are used to restrict the linear movement of the movable frame 312 in the front-back direction.

[0026] For example, the two ends of the worm gear 304 are rotatably connected to the inner walls on both sides of the adjusting box 301 via bearings. The inner walls on both sides of the limiting frame 311 are provided with sliding grooves, and the two sides of the moving frame 312 are provided with sliding blocks that match the sliding grooves. By pulling the moving frame 312, the sliding blocks can slide in the sliding grooves, thereby realizing that the moving frame 312 moves linearly in the front-back direction without disengaging from the limiting frame 311.

[0027] Furthermore, the second adjustment assembly 3 also includes a lead screw 308, a threaded sleeve 309, and a slider 310 disposed within the adjustment box 301.

[0028] There are two lead screws 308, which are set one above the other in the adjustment box 301. The two ends of the lead screw 308 are rotatably connected to the inner walls of the two sides of the adjustment box 301 through bearings. The outer surface of the lead screw 308 is connected to the threaded sleeve 309. The outer surface of the threaded sleeve 309 is fitted with a slider 310. The sliders 310 on the two lead screws 308 are rotatably connected to the two ends of the transmission shaft 306 through bearings, and the transmission shaft can move in the left and right direction with the sliders 310.

[0029] For example, by rotating the upper and lower lead screws 308, the two lead screws 308 rotate relative to the adjustment box 301, while driving the slider 310 on the lead screws 308 to move left and right, thereby driving the transmission shaft 306 to move in the left and right direction.

[0030] Furthermore, the second adjustment assembly 3 also includes a drive motor 315, a reduction motor 316, a transmission wheel 317, and a transmission belt 318 disposed on the outside of the adjustment box 301.

[0031] Specifically, the drive motor 315 is inserted and disposed on the outside of the adjusting box 301. A first rotating shaft is inserted and disposed within the worm gear 304. The first rotating shaft is rotatably connected to the inner walls on both sides of the adjusting box 301 via bearings, and one end of the first rotating shaft is fixedly connected to the output end of the drive motor 315 disposed on the outside of the adjusting box 301. A second rotating shaft is inserted and disposed within each of the two lead screws. The second rotating shaft is rotatably connected to the inner walls on both sides of the adjusting box 301 via bearings, and one of the second rotating shafts of the two lead screws is connected to the output end of the reduction motor. There are two transmission wheels 317, which are respectively connected to the second rotating shafts of the two lead screws, and the two transmission wheels 317 are connected to each other via a transmission belt 318.

[0032] Furthermore, a limiting slide rod 303 is inserted inside the limiting frame 311, and the two ends of the limiting slide rod 303 are fixedly connected to the inner walls of the two sides of the adjusting box 301, respectively.

[0033] Preferably, there are two limiting frames 311, which are used to fix the front and rear sides of the limiting frame 311 respectively.

[0034] Furthermore, the front outer surface of the adjustment box 301 is provided with a through groove 302, and the upper surface is provided with a groove 3011. The moving frame 312 can move back and forth along the through groove 302, and the slider 310 at the upper end of the drive shaft 306 can move left and right along the groove 3011.

[0035] In use, the invention starts by activating the drive motor 315, which drives the worm gear 304 to rotate. The worm gear 304 drives the worm wheel 305 to rotate, and the worm wheel 305 drives the gear 307 to rotate via the transmission shaft 306. The meshing of the gear 307 with the rack 3121 causes the moving frame 312 to move back and forth within the limiting frame 311, thereby moving the grouting pipe back and forth to perform grouting operations on the borehole. Then, the reduction motor 316 is activated, which drives one of the transmission wheels 317 to rotate. This rotating transmission wheel 317 drives another transmission wheel 317 to rotate via the transmission belt 317. The two transmission wheels 317 simultaneously drive two lead screws 308 to rotate. The two lead screws 308 drive two sliders 310 to move left and right within the adjusting box via the threaded sleeve 309, allowing the grouting pipe 314 to move horizontally. This enables the device to perform grouting operations on boreholes at different locations, improving the device's practicality.

[0036] The aforementioned front-to-back direction refers to the axial direction along the front end to the rear end of the adjustment box (the direction of the through groove extension), and the left-to-right direction refers to the direction along the line connecting the inner walls on both sides of the adjustment box (the direction of the lead screw axis). The two are perpendicular to each other and together constitute a two-dimensional adjustment direction on the horizontal plane.

[0037] Example 2 Reference Figure 1 , Figure 2 and Figure 4 This is the second embodiment of the present invention, based on embodiment 1. In embodiment 1, the first adjusting component 2 of the coal mine drilling grouting device includes an adjusting bracket 201 fixedly connected to the upper surface of the base plate 1. A screw 202 is movably disposed inside the adjusting bracket 201, and the screw 202 is vertically arranged. A stepper motor 207 is fixedly connected to the upper surface of the adjusting bracket 201, and the output end of the stepper motor 207 is fixedly connected to the upper end of the screw 202. A threaded tube 203 is threadedly connected to the outer surface of the screw 202, and a placement frame 204 is sleeved on the outer surface of the threaded tube 203. A sliding rod 205 is fixedly connected inside the adjusting bracket 201, and the sliding rod 205 is vertically arranged. A sliding sleeve 206 is slidably connected to the outer surface of the sliding rod 205. One end of the placement frame 204 away from the threaded tube 203 is sleeved on the outer surface of the sliding sleeve 206, and an adjusting box 301 is fixedly disposed on the upper end of the placement frame 204.

[0038] Furthermore, the top of the slurry tank 4 is provided with a grouting port 401 and a stirring motor 403. A stirring paddle 402 is installed inside the slurry tank 4, with one end of the stirring paddle 402 fixedly connected to the stirring motor 403. A discharge port 404 is provided at the bottom of the slurry tank 4. A support plate is provided on the outer surface of the front end of the slurry tank 4, and a pneumatic grouting pump 405 communicating with the slurry tank 4 is installed on the support plate. A telescopic hose 5 is fixedly connected to the output end of the pneumatic grouting pump 405, and the other end of the telescopic hose 5 passes through a connecting block 313 at the front end of the movable frame 312, communicating with the grouting pipe 314 at the front end of the connecting block 313. A resistance heating wire is installed inside the stirring paddle 402.

[0039] Furthermore, wheels 101 are provided around the lower surface of the base plate 1, and a push handle 102 is provided on the upper surface of the base plate 1.

[0040] The above describes the process: Stepper motor 207 is started, which drives the threaded tube 203 on screw 202 to move up and down, which in turn drives the placement frame 204 to move up and down. Sliding sleeve 206 moves on sliding rod 205, thereby driving the adjustment box 301 on placement frame 204 to move up and down, so that the height of grouting pipe 314 can be adjusted. Pneumatic grouting pump 405 can achieve rapid and stable material supply during the grouting process to complete the drilling grouting work. The resistance heating wire set inside the stirring paddle 402 can prevent the grouting liquid from solidifying under extreme temperatures, ensure fluidity, and improve grouting speed.

[0041] The working principle of this invention is as follows: In use, the operator first moves the coal mine drilling grouting device to a suitable position using the push handle 102 and wheels 101. Then, the stepper motor 207 is started. The stepper motor 207 drives the threaded tube 203 on the screw 202 to move up and down, which in turn moves the placement frame 204 up and down. The sliding sleeve 206 moves on the sliding rod 205, thereby moving the adjusting box 301 on the placement frame 204 up and down, allowing the height of the grouting pipe 314 to be adjusted. Next, the drive motor 315 is started, driving the worm gear 304 to rotate. The worm gear 304 drives the worm wheel 305 to rotate, and the worm wheel 305 drives the gear 307 to rotate via the transmission shaft 306. Through the meshing of the gear 307 and the rack 3121, the moving frame 312 moves back and forth within the limiting frame 311, thereby driving... The grouting pipe moves back and forth; the reduction motor 316 is started, which drives one of the transmission wheels 317 to rotate. This rotating transmission wheel 317 drives another transmission wheel 317 to rotate via a transmission belt 317. The two transmission wheels 317 drive two lead screws 308 to rotate simultaneously. The two lead screws 308 drive two sliders 310 to move left and right within the adjusting box 301 via threaded sleeves 309, so that the grouting pipe 314 can move horizontally. This allows the device to perform grouting operations on boreholes at different locations, improving the practicality of the device. The pneumatic grouting pump 405 enables rapid and stable material supply during the grouting process, completing the borehole grouting work. The resistance heating wire inside the stirring paddle 402 prevents the grout from solidifying under extreme temperatures, ensuring fluidity and increasing the grouting speed.

[0042] It should be noted that in this document, relational terms such as first and second are used only 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.

Claims

1. A drilling and grouting device for coal mines, characterized in that, include: Base plate (1); A grout tank (4) is set on the upper surface of the base plate (1) and a telescopic hose (5) is connected to one side, and a grouting pipe (314) is connected to the other end of the telescopic hose (5). The first adjustment component (2) is disposed on the upper surface of the base plate (1) and located on one side of the grout tank (4) for adjusting the height of the grouting pipe (314); The second adjustment component (3) is disposed on the first adjustment component (2) and is used to adjust the position of the grouting pipe (314) in the front-back direction and the position in the left-right direction.

2. The drilling and grouting device for coal mines according to claim 1, characterized in that, The second adjustment component (3) includes an adjustment box (301) and a worm (304), a worm wheel (305), a drive shaft (306), a gear (307), a limit frame (311), and a moving frame (312) disposed in the adjustment box (301); The worm gear (304) is movably disposed within the adjusting box (301), and a worm wheel (305) is meshed on its outer surface. A transmission shaft (306) is inserted inside the worm wheel (305), and a gear (307) is sleeved on the outer surface of the transmission shaft (306). A movable frame (312) is disposed on the outer side of the gear (307). A rack (3121) that meshes with the gear (307) is fixedly connected to the inner wall of the movable frame (312). The grouting pipe (314) is disposed on the front side of the movable frame (312), and a limiting frame (311) is disposed on both sides of the movable frame (312) and is movably connected to it. The limiting frame (311) is used to restrict the linear movement of the movable frame (312) in the front-back direction.

3. The coal mine drilling and grouting device according to claim 2, characterized in that, The second adjustment assembly (3) also includes a lead screw (308), a threaded sleeve (309), and a slider (310) disposed in the adjustment box (301); There are two lead screws (308), which are distributed vertically inside the adjustment box (301) and are movably connected to the adjustment box (301). The threads on their outer surfaces are connected to the threaded sleeve (309). The outer surface of the threaded sleeve (309) is fitted with the slider (310). The sliders (310) on the two lead screws (308) are respectively rotatably connected to both ends of the transmission shaft (306), and the transmission shaft (306) can move in the left and right direction with the sliders (310).

4. The drilling and grouting device for coal mines according to claim 3, characterized in that, The second adjustment component (3) also includes a drive motor (315) disposed outside the adjustment box (301); The worm gear (304) is rotatably mounted in the adjustment box (301) via a first rotating shaft, one end of which is fixedly connected to the output end of the drive motor (315).

5. The coal mine drilling and grouting device according to claim 4, characterized in that, The second adjustment component (3) also includes a geared motor (316), a transmission wheel (317), and a transmission belt (318). The two lead screws (308) are respectively rotatably mounted in the adjusting box (301) via a second rotating shaft, and one of the second rotating shafts of the two lead screws (308) is connected to the output end of the geared motor (316); There are two drive wheels (317), which are connected by the drive belt (318) and are respectively connected to the second shaft of the two lead screws (308).

6. The coal mine drilling and grouting device according to claim 3, characterized in that, The limiting frame (311) is provided with a limiting slide rod (303), and the two ends of the limiting slide rod (303) are respectively fixedly connected to the inner wall of the adjusting box (301).

7. The coal mine drilling and grouting device according to claim 3, characterized in that, The front outer surface of the adjustment box (301) is provided with a through groove (302) and the upper surface is provided with a groove (3011). The moving frame (312) can move back and forth along the through groove (302), and the slider (310) at the upper end of the transmission shaft can move left and right along the groove (3011).

8. The coal mine drilling and grouting device according to claim 3, characterized in that, The first adjustment component (2) includes an adjustment bracket (201) fixedly connected to the upper surface of the base plate (1). A screw (202) is movably arranged inside the adjustment bracket (201). A stepper motor (207) is fixedly connected to the upper surface of the adjustment bracket (201), and the output end of the stepper motor (207) is fixedly connected to the screw (202). A threaded tube (203) is threadedly connected to the outer surface of the screw (202). A placement frame (204) is sleeved on the outer surface of the threaded tube (203). A slide rod (205) is fixedly connected inside the adjustment bracket (201). A sliding sleeve (206) is slidably connected to the outer surface of the slide rod (205). One end of the placement frame (204) away from the threaded tube (203) is sleeved on the outer surface of the sliding sleeve (206). The adjustment box (301) is fixedly arranged on the upper end of the placement frame (204).

9. The coal mine drilling and grouting device according to claim 8, characterized in that, The top of the slurry tank (4) is provided with a grouting port (401) and a stirring motor (403). The inside of the slurry tank (4) is provided with a stirring paddle (402). One end of the stirring paddle (402) is fixedly connected to the stirring motor (403). The bottom of the slurry tank (4) is provided with a discharge port (404). The outer surface of the slurry tank (4) is provided with a pneumatic grouting pump (405) that communicates with the slurry tank (4). The output end of the pneumatic grouting pump (405) is fixedly connected to the telescopic hose (5). The other end of the telescopic hose (5) passes through the connecting block (313) provided at the front end of the movable frame (312) and communicates with the grouting pipe (314) provided at the front end of the connecting block (313).

10. The drilling and grouting device for coal mines according to claim 1, characterized in that, Wheels (101) are provided around the lower surface of the base plate (1), and a push handle (102) is provided on the upper surface of the base plate (1).

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