Water jet geological exploration drilling machine

Abstract

The utility model discloses a water jet geological exploration drilling machine, which relates to the technical field of geological drilling and comprises a drilling machine ground part assembly, a water supply pipeline, a drilling tool rotating assembly, a high-pressure water generator assembly, a rock core collecting assembly and a cutting jet head. The drilling machine ground part assembly is composed of a ground machine body, a power system, a gearbox, a control system and an orifice plane rotating system, the end of the water supply pipeline is connected with the high-strength wear-resistant light hollow drilling rod, and the water supply pipeline is connected with the water storage tank. A high-pressure water jet cutter is adopted to cut and explore a target rock mass, and a high-strength wear-resistant light material drilling machine and a drilling tool are light in overall weight, convenient to move, small in torsion required by drilling and low in drilling energy consumption; therefore, in-situ rock mass coring is free of mechanical damage, the damage of exploration drilling to the ecological environment is effectively reduced, the exploration work efficiency is improved, and the drilling exploration quality is reliable, economical, environment-friendly and safe.

Description

Technical Field

[0001] The utility model relates to the technical field of geological drilling, in particular to a water jet geological prospecting drill. Background Art

[0002] Drilling is the most commonly used traditional exploration method in geological exploration. Geological exploration drills are mainly used for core exploration and geological exploration, including drilling machinery and equipment for coalfield, petroleum, metallurgy, mineral, geology, hydrology, nonferrous metals, and nuclear industry exploration.

[0003] Since the advent of mechanical geological exploration core drilling rigs, they have been made of steel, equipped with steel drilling tools, and mechanically ground to drill cores. The traditional mechanical drilling method requires the drill to provide huge torque to drill cores. Therefore, it is necessary to use the ground part assembly of the steel drilling rig, steel drill rods and all drilling tools. As a result, in geological drilling projects at home and abroad, there are always serious backward problems such as heavy equipment, difficult relocation, low efficiency, mechanical breakage of cores, and prominent safety hazards.

[0004] Based on this, a water jet geological exploration drilling rig is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content

[0005] The utility model aims to provide a water jet geological exploration drilling rig to solve the serious backward problems in geological drilling projects, such as heavy equipment, difficult relocation, low efficiency, mechanical crushing of cores, and prominent safety hazards.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A water jet geological exploration drilling rig includes a ground part assembly of the drilling rig, a water supply pipeline, a drill tool rotation assembly, a high-pressure water generator assembly, a core collection assembly and a cutting jet head. The ground part assembly of the drilling rig consists of a ground body, a power system, a gearbox, a control system, and an orifice plane rotation system. The end of the water supply pipeline is connected to a high-strength, wear-resistant, lightweight hollow drill rod, and the water supply pipeline is connected to a water tank.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional scheme: the drill tool rotating assembly is composed of an externally threaded hollow drill rod, a lower assembly joint, and a high-strength, wear-resistant, lightweight protective outer tube. The externally threaded hollow drill rod is segmented and interconnected by a female thread at the upper end and a male thread at the lower end of each section. The lower assembly joint is connected to a high-pressure water generator assembly and a high-strength, wear-resistant, lightweight protective outer tube. The externally threaded hollow drill rod, the lower assembly joint, and the high-strength, wear-resistant, lightweight protective outer tube of each component in the drill tool rotating assembly are sequentially connected to each other through threads.

[0010] In an optional scheme: the high-pressure water generator assembly is composed of a protective inner tube, a hydraulic piston motor, a booster pump, and a first high-pressure pipe. The hydraulic piston motor and the booster pump are installed in the protective inner tube. The protective inner tube is connected to the lower end joint of the drill bit rotation assembly. The first high-pressure pipe is connected from the output end of the booster pump and embedded in the inner wall of the protective inner tube.

[0011] In an optional solution: the core collection assembly consists of a tube body, a swivel ring on the upper part of the tube body, and a core clamp ring. The tube body is clamped into a high-strength, wear-resistant, lightweight protective outer tube through the swivel ring on the upper part of the tube body, and the core clamp ring is located at the lower end of the core collection assembly.

[0012] In an optional scheme: the cutting jet head is composed of a base tube, a second high-pressure tube, and a nozzle; the base tube is connected to the lower end of a high-strength, wear-resistant, lightweight protective outer tube; the second high-pressure tube is embedded in the base tube wall; the upper end of the second high-pressure tube is connected to the high-pressure water generator assembly; the lower end of the second high-pressure tube is connected to the upper end of the nozzle; and the nozzle is embedded in the base tube.

[0013] In an optional solution: the gearbox gear is made of special engineering plastic PEEK or PPS.

[0014] In an optional solution: the orifice plane rotation system is also made of special engineering plastic PEEK.

[0015] In an optional solution: the externally threaded hollow drill rod is specially made of carbon fiber material.

[0016] In an optional solution: the hydraulic piston motor is intended to provide pressure for forming high-pressure water in a water jet drill, and the motor is installed in a protective inner tube and rotates synchronously with the drilling tool rotating assembly.

[0017] In an optional solution: the booster pump in the high-pressure water generator is an important component of the water jet geological drilling rig. The cutting water flow pressure is increased to 100MPa~400MPa through the booster pump. The booster pump is installed at the lower end of the high-pressure water generator assembly, located at the upper end of the cutting jet head. The booster pump and the nozzle are connected by a first high-pressure pipe. The nozzle is embedded in the base tube, and the nozzle is made of hard material tungsten carbide.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] Compared with the traditional geological drilling rig, the utility model adopts high-pressure water jet to carve the rock mass of the drilling target, and does not need the drilling rig to output huge torque to rotate the heavy steel drill tool, and the core is carved by mechanical grinding of the drill bit, and the carved core does not rotate with the drilling. Therefore, the drilling rig output torque is small, the drilling water flow is saved, the drilling rig and the drilling tool are light and easy to move, the moving cost is low, the drilling speed is fast, and the safe production is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of the water jet geological exploration drilling rig.

[0021] Figure 2 The utility model is a schematic diagram of the ground part assembly structure of the water jet geological exploration drilling rig.

[0022] Figure 3 This is a schematic diagram of the water supply pipeline structure of the water jet geological exploration drilling rig of the utility model.

[0023] Figure 4 The utility model is a schematic diagram of the structure of the rotary assembly of the water jet geological exploration drilling rig.

[0024] Figure 5 The utility model is a schematic diagram of the assembly structure of a high-pressure water generator for a water jet geological exploration drilling rig.

[0025] Figure 6 This is a schematic diagram of the structure of the cutting jet head assembly of the water jet geological drilling rig of the utility model.

[0026] Figure 7 The utility model is a schematic diagram of the structure of a vertical-axis rotary drilling rig for water jet geological exploration.

[0027] Figure 8 The utility model is a schematic diagram of the structure of a portable rotary drilling rig for water jet geological exploration.

[0028] Notes on reference numerals: 100, ground assembly of drilling rig; 101, machine body; 102, power system; 103, gearbox; 104, control system; 105, orifice plane rotation system; 201, water supply pipeline; 202, light hollow drill pipe; 203, water storage tank; 204, water storage tank filter system; 206, external water pipe; 205, clean water tank; 300, drilling tool rotation assembly; 301, external threaded hollow drill pipe; 302 , lower assembly joint; 303, high-strength, wear-resistant, lightweight protective outer tube; 400, high-pressure water generator assembly; 401, protective inner tube; 402, hydraulic piston motor; 403, booster pump; 404, first high-pressure pipe; 500, core collection assembly; 501, pipe body; 502, upper swivel of pipe body; 503, core clamp; 600, cutting jet head; 601, base pipe; 602, second high-pressure pipe; 603, nozzle. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0030] In one embodiment, Figure 1-Figure 8 As shown, a water jet geological exploration drilling rig includes a ground part assembly 100 of the drilling rig, a water supply pipeline 201, a drilling tool rotation assembly 300, a high-pressure water generator assembly 400, a core collection assembly 500 and a cutting jet head 600. The ground part assembly 100 of the drilling rig is composed of a ground body 101, a power system 102, a gearbox 103, a control system 104, and an orifice plane rotation system 105. The end of the water supply pipeline 201 is connected to a high-strength wear-resistant lightweight hollow drill rod 202, and the water supply pipeline 201 is connected to a water storage tank 203. Then, under the control of the control system 104, the drilling power is converted into the rotation of the high-strength, wear-resistant and lightweight hollow externally threaded drill rod 302 through the hole plane thread rotation system 105. The clockwise rotation drives the externally threaded hollow drill rod 301 of the drill tool rotation assembly 300 to rotate and drill in the borehole. The counterclockwise rotation drives the externally threaded hollow drill rod 301 of the drill tool rotation assembly 300 to lift the drill toward the hole in the borehole. The water is transported from the water source into the water tank filter system 204 through the water diversion pipe 206 for filtration before entering the water tank clean water tank 205.

[0031] In one embodiment, Figure 1 As shown, the drill tool rotating assembly 300 is composed of an externally threaded hollow drill rod 301, a lower assembly joint 302, and a high-strength, wear-resistant, lightweight protective outer tube 303. The externally threaded hollow drill rod 301 is segmented and connected to each other through the upper female thread and the lower male thread of each segment. The lower assembly joint 302 is connected to the high-pressure water generator assembly 400 and the high-strength, wear-resistant, lightweight protective outer tube 303. The externally threaded hollow drill rod 301, the lower assembly joint 302, and the high-strength, wear-resistant, lightweight protective outer tube 303 of each component in the drill tool rotating assembly 300 are sequentially connected to each other through threads. The drill tool rotating assembly 300 drives the overall rotation from the drill rod to the cutting jet head 600, but the core tube does not rotate.

[0032] In one embodiment, Figure 1As shown, the high-pressure water generator assembly 400 is composed of a protective inner tube 401, a hydraulic plunger motor 402, a booster pump 403, and a first high-pressure pipe 404. The hydraulic plunger motor 402 and the booster pump 403 are installed in the protective inner tube 401, and the protective inner tube 401 is connected to the lower end joint of the drill tool rotating assembly 300. The first high-pressure pipe 404 is connected from the output end of the booster pump 403 and is embedded in the inner wall of the protective inner tube 401. The high-pressure water generator assembly 400 rotates with the drill tool rotating assembly 300 to ensure that the cutting jet head 600 rotates to cut the rock mass, thereby carving the core and forming a complete exploration borehole, which can be used for subsequent in-hole geophysical exploration and hydrogeological exploration.

[0033] In one embodiment, Figure 1 As shown, the core collection assembly 500 consists of a tube body 501, a swivel ring 502 on the upper part of the tube body, and a core clamp ring 503. The tube body 501 is clamped into the high-strength, wear-resistant and lightweight protective outer tube 303 through the swivel ring 502 on the upper part of the tube body. The core clamp ring 503 is located at the lower end of the core collection assembly 500 to prevent the core entering the tube from falling off under the action of gravity, so as to achieve both connection with the drilling tool rotating assembly and separation from the drilling tool rotation, thereby avoiding wear caused by the rotation of the core tube and the core.

[0034] In one embodiment, Figure 1 As shown, the cutting jet head 600 is composed of a base tube 601, a second high-pressure tube 602, and a nozzle 603. The base tube 601 is connected to the lower end of the high-strength, wear-resistant, lightweight protective outer tube 303, the second high-pressure tube 602 is embedded in the wall of the base tube 601, the upper end of the second high-pressure tube 602 is connected to the high-pressure water generator assembly 400, the lower end of the second high-pressure tube 602 is connected to the upper end of the nozzle 603, and the nozzle 603 is embedded in the base tube 601.

[0035] In one embodiment, Figure 1 As shown, the cutting jet head 600 is composed of a base tube 601, a second high-pressure tube 602, and a nozzle 603. The base tube 601 is connected to the lower end of the high-strength, wear-resistant and lightweight protective outer tube 303 of the drilling tool rotating assembly. The second high-pressure tube 602 is embedded in the wall of the base tube 601, and its upper end is connected to the high-pressure water generator assembly 400, and the lower end is connected to the upper end of the nozzle 603. The nozzle 603 is embedded in the base tube 601.

[0036] In one embodiment, Figure 2 As shown, the gearbox 103 gear is made of special engineering plastic PEEK or PPS, which effectively reduces the weight of the drilling rig, improves high temperature resistance, wear resistance, and noise reduction. The PPS material has high hardness, dimensional stability, fatigue resistance, and chemical resistance, and the long-term use temperature can reach above 200°C.

[0037] In one embodiment, Figure 2As shown, the orifice plane rotation system 105 is also made of special engineering plastic PEEK to improve high temperature resistance, wear resistance and noise reduction effects.

[0038] In one embodiment, Figure 4 As shown, the high-strength, wear-resistant, lightweight externally threaded hollow drill rod 301 is specially made of carbon fiber material and has the advantages of light weight, good toughness, and corrosion resistance.

[0039] In one embodiment, Figure 5 As shown, the hydraulic piston motor 402 is intended to provide pressure for the water jet drill to form high-pressure water. The motor is installed in a protective inner tube 401 and rotates synchronously with the drilling tool rotating assembly.

[0040] In one embodiment, Figure 1 As shown, the booster pump 403 in the high-pressure water generator assembly 400 is an important component of the water jet geological drilling rig, which realizes the purpose of cutting and engraving rock cores and completing drilling by water jet cutting. The cutting water flow pressure is increased to 100MPa~400MPa by the booster pump 403. The booster pump 403 is installed at the lower end of the high-pressure water generator assembly 400, located at the upper end of the cutting jet head 600, and the booster pump 403 and the nozzle 603 are connected by the high-pressure pipe 404. The nozzle 603 is embedded in the base tube 601, and its nozzle protrudes downward. The nozzle 603 is made of hard material tungsten carbide, and a small beam of high-pressure water flow is concentrated and ejected to the target rock mass to achieve rapid core engraving.

[0041] The above embodiment discloses a water jet geological exploration drilling rig. When in use, the ground part assembly 100 of the drilling rig is located on the ground of the geological borehole to be explored, and the water supply pipe 201 is independent of the ground part assembly of the drilling rig. After the upper end of the lightweight hollow drill rod 202 in the drill tool rotating assembly 300 is connected, the lightweight hollow drill rod 202 is used to provide water for the high-pressure water generator. The high-pressure water generator assembly 400 is installed in a high-strength, wear-resistant, lightweight protective outer tube 303. The upper end of the high-strength, wear-resistant, lightweight protective outer tube 303 is connected to the drill tool rotating assembly 300, and the lower end is connected to the core collection assembly 500. The cutting jet head 600 belongs to the lowest end of the downhole part of the geological exploration drilling rig. The jet head is installed in a high-strength steel ring, and the upper end of the steel ring is threadedly connected to the core collection assembly 500. The assemblies can be flexibly disassembled and assembled after disassembly.

[0042] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A water jet geological exploration drilling rig, comprising a drilling rig ground part assembly (100), a water supply pipeline (201), a drilling tool rotation assembly (300), a high-pressure water generator assembly (400), a core collection assembly (500) and a cutting jet head (600), characterized in that: The drilling rig ground part assembly (100) is composed of a ground body (101), a power system (102), a gearbox (103), a control system (104), and a hole plane rotation system (105); the end of the water supply pipeline (201) is connected to a high-strength, wear-resistant, lightweight hollow drill rod (202); and the water supply pipeline (201) is connected to a water storage tank (203).

2. The water jet geological exploration drilling rig according to claim 1, characterized in that: The drilling tool rotating assembly (300) is composed of an externally threaded hollow drill rod (301), a lower assembly joint (302), and a high-strength, wear-resistant, lightweight protective outer tube (303). The externally threaded hollow drill rod (301) is segmented and connected to each other via a female thread at the upper end and a male thread at the lower end of each segment. The lower assembly joint (302) is connected to a high-pressure water generator assembly (400) and the high-strength, wear-resistant, lightweight protective outer tube (303). The externally threaded hollow drill rod (301), the lower assembly joint (302), and the high-strength, wear-resistant, lightweight protective outer tube (303) are sequentially connected to each other via threads.

3. The water jet geological exploration drilling rig according to claim 1, characterized in that: The high-pressure water generator assembly (400) is composed of a protective inner tube (401), a hydraulic piston motor (402), a booster pump (403), and a first high-pressure pipe (404). The hydraulic piston motor (402) and the booster pump (403) are installed in the protective inner tube (401). The protective inner tube (401) is connected to the lower end joint of the drilling tool rotating assembly (300). The first high-pressure pipe (404) is connected from the output end of the booster pump (403) and is embedded in the inner wall of the protective inner tube (401).

4. The water jet geological exploration drilling rig according to claim 2, characterized in that: The core collection assembly (500) is composed of a tube body (501), a swivel ring (502) on the upper part of the tube body, and a core clamp ring (503). The tube body (501) is clamped into a high-strength, wear-resistant, lightweight protective outer tube (303) through the swivel ring (502) on the upper part of the tube body, and the core clamp ring (503) is located at the lower end of the core collection assembly (500).

5. The water jet geological exploration drilling rig according to claim 2, characterized in that: The cutting jet head (600) is composed of a base tube (601), a second high-pressure tube (602), and a nozzle (603); the base tube (601) is connected to the lower end of a high-strength, wear-resistant, lightweight protective outer tube (303); the second high-pressure tube (602) is embedded in the wall of the base tube (601); the upper end of the second high-pressure tube (602) is connected to a high-pressure water generator assembly (400); the lower end of the second high-pressure tube (602) is connected to the upper end of the nozzle (603); and the nozzle (603) is embedded in the base tube (601).

6. The water jet geological exploration drilling rig according to claim 1, characterized in that: The gears of the gearbox (103) are made of engineering plastics PEEK or PPS.

7. The water jet geological exploration drilling rig according to claim 1, characterized in that: The orifice plane rotation system (105) is made of engineering plastic PEEK.

8. The water jet geological exploration drilling rig according to claim 2, characterized in that: The externally threaded hollow drill rod (301) is specially made of carbon fiber material.

9. The water jet geological exploration drilling rig according to claim 3, characterized in that: The hydraulic piston motor (402) is intended to provide pressure for the water jet drill to form high-pressure water. The hydraulic piston motor (402) is installed in the protective inner tube (401) and rotates synchronously with the drilling tool rotating assembly.

10. The water jet geological exploration drilling rig according to claim 5, characterized in that: The booster pump (403) in the high-pressure water generator assembly (400) is an important component of the water jet geological drilling rig. The booster pump (403) is used to increase the pressure of the cutting water flow to 100 MPa to 400 MPa. The booster pump (403) is installed at the lower end of the high-pressure water generator assembly (400) and is located at the upper end of the cutting jet head (600). The booster pump (403) and the nozzle (603) are connected through a first high-pressure pipe (404). The nozzle (603) is embedded in the base pipe (601). The nozzle (603) is made of a hard material, tungsten carbide.

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