Hydraulic cutting machine for rock stratum

Abstract

The utility model discloses a hydraulic cutting machine for a rock stratum, and relates to the technical field of coal mining equipment. The hydraulic cutting machine for the rock stratum comprises a bottom plate, two sets of mounting blocks are arranged at the top of the bottom plate, a plate sleeve is rotatably mounted between the two sets of mounting blocks, a hollow plate is slidably mounted on the inner side of the plate sleeve, the top of the hollow plate extends to the position above the plate sleeve, and a first electric telescopic rod is fixedly mounted at the bottom of the inner side of the plate sleeve. According to the hydraulic cutting machine for the rock stratum, high-pressure water flow can be generated, the rock stratum can be cut, in the rock stratum cutting process, friction and heat with coal are avoided, coal ignition is prevented, the safety in the rock stratum digging process is guaranteed, the angle between a pipe sleeve and a water pipe can be changed through a plate sleeve and a second electric telescopic rod, and the cutting efficiency is improved. And through the lifting structure, the extension length of the water pipe can be changed, the cutting range of the rock stratum is adjusted, and cutting of the rock stratum is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining equipment, in particular to a hydraulic cutter for rock formations. Background Art

[0002] Usually in the process of coal mining, the rock strata above the coal need to be excavated to facilitate workers to reach the coal mining area. Usually the miners use mechanical equipment to excavate the rock strata. In the process of excavating the rock strata, mechanical equipment will generate friction and heat, which can easily cause the coal to ignite, which is a bit dangerous and also affects coal mining. Utility Model Content

[0003] The purpose of the utility model is to provide a hydraulic cutter for rock formations to solve the problems and defects raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic cutting machine for rock formations, comprising a base plate, two groups of mounting blocks are arranged on the top of the base plate, a plate sleeve is rotatably mounted between the two groups of mounting blocks, a hollow plate is slidably mounted on the inner side of the plate sleeve, the top of the hollow plate extends to the top of the plate sleeve, a first electric telescopic rod is fixedly mounted on the inner bottom of the plate sleeve, the free end of the first electric telescopic rod is fixedly mounted on the bottom outer wall of the hollow plate, a pipe sleeve is rotatably mounted on the hollow plate, a water pipe is slidably mounted on one end of the pipe sleeve, and also comprises a second electric telescopic rod hingedly mounted on the top of the base plate, the free end of the second electric telescopic rod is hingedly mounted on one side outer wall of the plate sleeve, the angle of the plate sleeve, the pipe sleeve and the water pipe can be changed, and the excavation direction of the rock formation can be adjusted, a rotating unit installed on the hollow plate and the pipe sleeve is used to drive the pipe sleeve and the water pipe to rotate through the rotating unit, and a lifting structure installed on the pipe sleeve and the water pipe is used to adjust the use length of the water pipe through the lifting structure.

[0005] Preferably, the rotating unit includes a motor, a first bevel gear and a second bevel gear. The motor is fixedly mounted on the top outer wall of the hollow plate. The output shaft of the motor passes through the top of the bottom plate and is fixedly mounted on the first bevel gear. The second bevel gear is fixedly mounted on the outer wall of the pipe sleeve, and the second bevel gear is meshed with the first bevel gear.

[0006] Preferably, the lifting structure includes a worm, a rack and a knob. The worm is rotatably mounted on the pipe sleeve, the rack is fixedly mounted on the outer wall of the water pipe, the knob is fixedly mounted on one end of the worm, and the worm is meshed with the rack, which can change the extension length of the water pipe and adjust the cutting range of the rock formation, thereby facilitating the cutting of the rock formation.

[0007] Preferably, a piston is fixedly mounted on the outer wall of the rack, and the piston is slidably mounted on the inner wall of the sleeve.

[0008] Preferably, a water tank is fixedly installed on the top of the base plate, a high-pressure water pump is fixedly installed on the top of the water tank, a hose is fixedly connected to the output end of the high-pressure water pump, a turnover box is fixedly installed on the outer wall of the hose, the turnover box is fixedly installed on the outer wall of one side of the hollow plate, and the input end of the high-pressure water pump is fixedly connected to a pumping pipe, one end of the pumping pipe extends to the inner bottom of the water tank, and a water injection port is opened on the top of the water tank to generate high-pressure water flow to cut the rock strata. In the process of cutting the rock strata, friction and heat with the coal are avoided to prevent the coal from igniting, thereby ensuring safety during the rock excavation process.

[0009] Preferably, a fixed block is fixedly installed at the bottom of the base plate, a rotating shaft is rotatably installed on the fixed block, and a moving wheel is fixedly installed on the outer wall of the rotating shaft.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The hydraulic rock cutter can generate high-pressure water flow to cut the rock through the coordinated use of a high-pressure water pump, a hose, a turnover box, a pipe sleeve and a water pipe. In the process of cutting the rock, friction and heat with the coal are avoided to prevent the coal from igniting, thereby ensuring the safety of the rock excavation process. The plate sleeve and the second electric telescopic rod can change the angle between the pipe sleeve and the water pipe to adjust the excavation direction of the rock. The lifting structure can change the extension length of the water pipe to adjust the cutting range of the rock, thereby facilitating the cutting of the rock. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the other side of the utility model;

[0015] Figure 3 It is a cross-sectional view of the plate sleeve, hollow plate and turnover box of the utility model;

[0016] Figure 4 It is a cross-sectional view of the pipe sleeve of the utility model.

[0017] Figure numerals: 1. bottom plate; 2. plate sleeve; 3. hollow plate; 4. first electric telescopic rod; 5. pipe sleeve; 6. water pipe; 7. worm; 8. rack; 9. piston; 10. knob; 11. motor; 12. first bevel gear; 13. second bevel gear; 14. second electric telescopic rod; 15. fixed block; 16. rotating shaft; 17. moving wheel; 18. water tank; 19. high-pressure water pump; 20. hose; 21. turnover box. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a hydraulic cutting machine for rock formations, comprising a bottom plate 1, two groups of mounting blocks are arranged on the top of the bottom plate 1, a plate sleeve 2 is rotatably mounted between the two groups of mounting blocks, a hollow plate 3 is slidably mounted on the inner side of the plate sleeve 2, the top of the hollow plate 3 extends to the top of the plate sleeve 2, a first electric telescopic rod 4 is fixedly mounted on the inner bottom of the plate sleeve 2, the free end of the first electric telescopic rod 4 is fixedly mounted on the bottom outer wall of the hollow plate 3, the second electric telescopic rod 14 is started, and the free end of the second electric telescopic rod 14 pushes the plate sleeve 2 to change the inclination angle of the plate sleeve 2, and the first electric telescopic rod 4 is started. The free end can lift the hollow plate 3, which can change the use height of the pipe sleeve 5 and the water pipe 6. The hollow plate 3 is rotatably installed with the pipe sleeve 5, and one end of the pipe sleeve 5 is slidably installed with the water pipe 6. It also includes a second electric telescopic rod 14 hingedly installed on the top of the base plate 1. The free end of the second electric telescopic rod 14 is hingedly installed on the outer wall of one side of the plate sleeve 2, which can change the angle of the plate sleeve 2, the pipe sleeve 5 and the water pipe 6, and adjust the excavation direction of the rock formation. The rotating unit installed on the hollow plate 3 and the pipe sleeve 5 is used to drive the pipe sleeve 5 and the water pipe 6 to rotate. The lifting structure installed on the pipe sleeve 5 and the water pipe 6 is used to adjust the use length of the water pipe 6 through the lifting structure.

[0020] The rotating unit includes a motor 11, a first bevel gear 12 and a second bevel gear 13. The motor 11 is fixedly mounted on the top outer wall of the hollow plate 3. The output shaft of the motor 11 passes through the top of the bottom plate 1 and is fixedly mounted with the first bevel gear 12. The second bevel gear 13 is fixedly mounted on the outer wall of the pipe sleeve 5, and the second bevel gear 13 is meshed with the first bevel gear 12. When the motor 11 is started, the output shaft of the motor 11 drives the first bevel gear 12 to rotate. The rotation of the first bevel gear 12 drives the second bevel gear 13, the pipe sleeve 5, and the water pipe 6 to rotate, so that the water sprayed from one end of the water pipe 6 cuts the rock formation.

[0021] The lifting structure includes a worm 7, a rack 8 and a knob 10. The worm 7 is rotatably mounted on the pipe sleeve 5, the rack 8 is fixedly mounted on the outer wall of the water pipe 6, the knob 10 is fixedly mounted on one end of the worm 7, and the worm 7 is meshed with the rack 8. The knob 10 is manually twisted, and the rotation of the knob 10 drives the worm 7 to rotate, and the worm 7 drives the rack 8 and the water pipe 6 to move, thereby adjusting the extension length of the water pipe 6 and the cutting range of the rock formation, which is convenient for cutting the rock formation.

[0022] A piston 9 is fixedly mounted on the outer wall of the rack 8 , and the piston 9 is slidably mounted on the inner wall of the sleeve 5 .

[0023] A water tank 18 is fixedly installed on the top of the base plate 1, and a high-pressure water pump 19 is fixedly installed on the top of the water tank 18. A hose 20 is fixedly connected to the output end of the high-pressure water pump 19, and a turnover box 21 is fixedly installed on the outer wall of the hose 20. The turnover box 21 is fixedly installed on the outer wall of one side of the hollow plate 3, and a pumping pipe is fixedly connected to the input end of the high-pressure water pump 19. One end of the pumping pipe extends to the inner bottom of the water tank 18. A water injection port is opened on the top of the water tank 18. The high-pressure water pump 19 is started, and the high-pressure water pump 19 extracts water through the pumping pipe. Through the high-pressure water pump 19, water passes through the hose 20, the turnover box 21, the pipe sleeve 5 and the water pipe 6 in turn, and is finally sprayed out through one end of the water pipe 6 to generate a high-pressure water flow to cut the rock formation. In the process of cutting the rock formation, friction and heat with the coal are avoided to prevent the coal from igniting, thereby ensuring safety during the rock formation excavation process.

[0024] A fixing block 15 is fixedly mounted on the bottom of the base plate 1 , a rotating shaft 16 is rotatably mounted on the fixing block 15 , and a moving wheel 17 is fixedly mounted on the outer wall of the rotating shaft 16 .

[0025] Working principle: by starting the second electric telescopic rod 14, the free end of the second electric telescopic rod 14 pushes the plate sleeve 2, so as to change the inclination angle of the plate sleeve 2; by starting the first electric telescopic rod 4, the free end of the first electric telescopic rod 4 lifts and lowers the hollow plate 3, so as to change the use height of the pipe sleeve 5 and the water pipe 6; by starting the high-pressure water pump 19, the high-pressure water pump 19 extracts water through the pumping pipe, and the water passes through the hose 20, the turnover box 21, the pipe sleeve 5 and the water pipe 6 in sequence through the high-pressure water pump 19, and finally sprays out through one end of the water pipe 6; then, by starting the motor 11, the output shaft of the motor 11 drives the first bevel gear 12 to rotate, and the rotation of the first bevel gear 12 drives the second bevel gear 13, the pipe sleeve 5, and the water pipe 6 to rotate, so that the water sprayed from one end of the water pipe 6 cuts the rock formation; by manually twisting the knob 10, the rotation of the knob 10 drives the worm 7 to rotate, and the worm 7 drives the rack 8 and the water pipe 6 to move, so as to adjust the extension length of the water pipe 6.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hydraulic cutting machine for rock formations, comprising a base plate (1), two groups of mounting blocks are arranged on the top of the base plate (1), a plate sleeve (2) is rotatably mounted between the two groups of mounting blocks, a hollow plate (3) is slidably mounted on the inner side of the plate sleeve (2), the top of the hollow plate (3) extends to the top of the plate sleeve (2), a first electric telescopic rod (4) is fixedly mounted on the inner bottom of the plate sleeve (2), the free end of the first electric telescopic rod (4) is fixedly mounted on the bottom outer wall of the hollow plate (3), a pipe sleeve (5) is rotatably mounted on the hollow plate (3), and a water pipe (6) is slidably mounted on one end of the pipe sleeve (5), characterized in that: Also includes: A second electric telescopic rod (14) is hingedly mounted on the top of the base plate (1), and a free end of the second electric telescopic rod (14) is hingedly mounted on an outer wall of one side of the plate sleeve (2); A rotating unit installed on the hollow plate (3) and the pipe sleeve (5), and used to drive the pipe sleeve (5) and the water pipe (6) to rotate; A lifting structure is installed on the pipe sleeve (5) and the water pipe (6), and is used to adjust the use length of the water pipe (6).

2. A hydraulic cutter for rock formations according to claim 1, characterized in that: The rotating unit comprises a motor (11), a first bevel gear (12) and a second bevel gear (13); the motor (11) is fixedly mounted on the top outer wall of the hollow plate (3); the output shaft of the motor (11) passes through the top of the bottom plate (1) and is fixedly mounted on the first bevel gear (12); the second bevel gear (13) is fixedly mounted on the outer wall of the pipe sleeve (5), and the second bevel gear (13) is meshed with the first bevel gear (12).

3. A hydraulic cutter for rock formations according to claim 2, characterized in that: The lifting structure comprises a worm (7), a rack (8) and a knob (10); the worm (7) is rotatably mounted on the pipe sleeve (5); the rack (8) is fixedly mounted on the outer wall of the water pipe (6); the knob (10) is fixedly mounted on one end of the worm (7); and the worm (7) and the rack (8) are meshed.

4. A hydraulic cutter for rock formations according to claim 3, characterized in that: A piston (9) is fixedly mounted on the outer wall of the rack (8), and the piston (9) is slidably mounted on the inner wall of the pipe sleeve (5).

5. A hydraulic cutter for rock formations according to claim 4, characterized in that: A water tank (18) is fixedly mounted on the top of the base plate (1), a high-pressure water pump (19) is fixedly mounted on the top of the water tank (18), an output end of the high-pressure water pump (19) is fixedly connected to a hose (20), an outer wall of the hose (20) is fixedly mounted to a turnover box (21), the turnover box (21) is fixedly mounted on one side outer wall of the hollow plate (3), an input end of the high-pressure water pump (19) is fixedly connected to a water pumping pipe, one end of the water pumping pipe extends to the inner bottom of the water tank (18), and a water injection port is provided on the top of the water tank (18).

6. A hydraulic cutter for rock formations according to claim 5, characterized in that: A fixed block (15) is fixedly mounted on the bottom of the base plate (1), a rotating shaft (16) is rotatably mounted on the fixed block (15), and a moving wheel (17) is fixedly mounted on the outer wall of the rotating shaft (16).

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