CN204941341U - The dual-purpose modularization rig of a kind of air water - Google Patents

Abstract

The utility model discloses an air-water dual-purpose modular drilling rig, which comprises a mast assembly, a frame, a hydraulic system, an air compressor unit, a hydraulic flushing system, air supply and water supply hoses and a drilling tool. The hydraulic system, air The exterior of the compressor unit and the hydraulic flushing system are respectively provided with corresponding external frames, and the hydraulic system, the air compressor unit, the hydraulic flushing system and the mast assembly are respectively detachably connected with the frame; the hydraulic pump unit includes a lifting unit and a rotating unit, The lifting unit and the rotating unit are connected in parallel to the double gear pump, the lifting unit includes a lifting hydraulic motor connected with the drilling tool, and the rotating unit includes a rotating hydraulic motor connected with the drilling tool. The drilling rig of the utility model improves the drilling efficiency, reduces production, use and maintenance costs, is applicable to construction in soft, medium and hard rock regions, and has high safety performance.

Description

An air-water dual-purpose modular drilling rig

technical field

The utility model relates to an air-water dual-purpose modular drilling rig, in particular to a drilling rig which is suitable for construction in soft, medium and hard rock areas and is not limited by drilling medium, and belongs to the technical field of hydraulic drilling rigs.

Background technique

At present, the commonly used drilling rigs mainly include air drilling rigs, vehicle-mounted drilling rigs, crawler drilling rigs, tractor drilling rigs, hydraulic flushing rotary drilling rigs, engineering drilling rigs, impact drilling rigs and SeisGAP tubular drilling rigs. Divided according to the scope and capacity of drilling rigs, air drilling rigs are mainly used for drilling operations in hard rock formations in mountainous areas and water-deficient areas; vehicle-mounted, crawler-type and tractor drilling rigs are mainly used for drilling operations in areas with traffic conditions; hydraulic flushing rotary drilling rigs It is mainly used for drilling operations in soft or medium-hard rock formations and areas where water intake is not difficult; engineering drilling rigs are used for ultra-deep well drilling operations, impact drilling rigs and SeisGAP tubular drilling rigs are used for drilling operations in river beach gravel areas and collapsed areas.

Among them, the most widely used are air drilling rigs and hydraulic flushing rotary drilling rigs.

Although air drilling rigs can be applied to drilling operations in hard rock formations in mountainous areas and areas where water intake is very difficult, the existing air drilling rigs are expensive because the main components are imported from abroad, and the use and maintenance costs are high. In addition, the speed of the power head of the air drilling rig Low, less than 140r/min; therefore, the existing air drilling rigs are not suitable for cutting drilling of medium-soft rock. Therefore, there are not many of them, and generally they can only be deployed in hard rock areas or very water-deficient areas.

Hydraulic flushing rotary drilling rigs are used for drilling in soft or medium hard rock formations in areas with water sources. In order to overcome the difficulty of drilling in water-deficient construction areas of soft or medium-hard rock, existing construction teams generally use hydraulic flushing rotary drilling rigs and domestic piston air compressors for limited drilling operations, commonly known as "earth wind drilling". Because the essence of the hydraulic flushing rotary drilling rig is a rotary drilling rig, the way it drives the drilling tool to rotate is mechanical transmission. This structure determines that it is not only equipped with an air compressor for drilling, but also cannot perform rotary/impact compound drilling like an air drilling rig. It can only be limited air drilling, especially for medium-hard rock formations such as quartz sandstone and limestone. of. In addition, especially when air impact drilling is used, due to the high-frequency impact vibration of the downhole air hammer on the rock formation, the reaction force of this impact vibration is directly transmitted to the gyrator of the drilling rig, causing rapid damage to the gyrator and gearbox of the drilling rig , increasing maintenance costs. In addition, although hydraulic flushing rotary drilling rigs are suitable for cutting and drilling in medium-soft rocks, and have low operating and maintenance costs, they are limited by poor water resources and abnormal climate, which increases the difficulty of coordination with local water use and water costs. Thereby raising the drilling production cost.

The existing QPY-30 or WTY-30 hydraulic flushing rotary drilling rig, because of its rotation mode is that the gearbox drives the gyrator to rotate, and then the gyrator drives the active drill pipe to rotate and transmits it to the mechanical rotation mode of the downhole drilling tool. The pressurization of the drilling tool adopts the oil cylinder pressurization assembled with the gyrator. It is suitable for rotary drilling operations in soft or medium-hard rock formations in areas with water sources. The drilling rotation of the drilling rig is mechanically driven, with three gears of fast, medium and slow, and cannot realize stepless speed regulation; it is pressurized by the oil cylinder, and the rotary stroke is short; There is a lot of auxiliary time, and it is also prone to safety accidents.

In addition, it takes a long time to disassemble and install the existing QPY-30 or WTY-30 drilling rig, and the ground needs to be leveled when installing the drilling rig, and at least one of the disassembled unit parts weighs about 130kg. The relocation is not as convenient as the SKZ-30 drilling rig, and the labor intensity is high.

The mast of the existing QPY-30 or WTY-30 drilling rig is more than 4 meters high. When the drilling rig is installed or disassembled, the safety requirements for the inverted frame and the vertical frame are relatively high. Drilling operations, a little carelessness is prone to injury accidents.

Therefore, for areas with scarce water resources and abnormal climate, there is an urgent need for a seismic drilling equipment with a high degree of mechanization, low labor intensity, and little influence from environmental geographical conditions and climate, which can not only adapt to soft, medium, hard rock and A drilling rig that is not restricted by water intake conditions and has high safety performance.

Contents of the invention

The purpose of the utility model is to provide an air-water dual-purpose modular drilling rig to solve the problems of high production, use and maintenance costs of existing air drilling rigs, low power head speed, and the inability of existing hydraulic flushing rotary drilling rigs to adapt to the lack of water resources and climate abnormal areas, so that the current drilling rigs cannot be effectively applied to the technical problems of construction in soft, medium and hard rock areas at the same time, thereby effectively solving the problems in the above-mentioned prior art.

The purpose of the utility model is achieved through the following technical proposals: an air-water dual-purpose modular drilling rig, including a mast assembly, a frame, a hydraulic system, an air compressor unit, a hydraulic flushing system, air supply, water supply hoses and drilling tools , the hydraulic system includes a hydraulic pump unit, an operating table, an oil cooler and a front car engine, and the air compressor unit includes a parallel air compressor and a rear car gasoline engine; the hydraulic flushing system includes an engine and a centrifugal water pump; the hydraulic system and the mast assembly 1. The air compressor unit and the mast assembly, the hydraulic flushing system and the mast assembly are connected through air supply and water supply hoses. The hydraulic system, the air compressor unit and the hydraulic flushing system are respectively provided with corresponding external frames. The hydraulic system, The air compressor unit, hydraulic flushing system and mast assembly are detachably connected to the frame respectively; the hydraulic pump unit includes a lifting unit and a rotating unit, and the lifting unit and the rotating unit are connected in parallel to the double gear pump, and the lifting unit includes A lifting hydraulic motor connected with the drilling tool, the rotating unit includes a rotating hydraulic motor connected with the drilling tool.

As a preferred method, the hydraulic pump set includes a fuel tank, an oil outlet filter element, a prime mover, a double gear pump, a No. 1 reversing valve, a No. 1 variable throttle valve, a rotating motor, a No. 2 reversing valve, a No. 2 Variable throttle valve, two-way hydraulic lock, lifting motor and oil return filter element, the oil outlet of the fuel tank is connected to the oil inlet port of the double gear pump through the oil outlet filter element, the output end of the prime mover is connected to the input port of the double gear pump One of the oil outlets of the double gear pump is connected to the rotary motor. There is a No. 1 directional valve on the oil circuit between the dual gear pump and the rotary motor. One of the oil ports of the No. 1 directional valve is connected to the No. 1 variable throttle valve, the other channel of No. 1 reversing valve is connected to the oil tank through the oil return filter element; the other oil outlet of the double gear pump is connected with the lifting motor, and there is a valve between the double gear pump and the lifting motor. No. 2 reversing valve, one of the No. 2 reversing valves is connected to the lifting motor through a two-way hydraulic lock, and No. 1 and 2 variable throttle valves are connected to the oil circuit behind the No. The pipeline behind the variable throttle valve is connected in parallel and connected to the fuel tank through the oil return filter element; the other path of the No. 2 reversing valve is connected to the fuel tank through the oil return filter element.

As a preferred method, the air compressor includes an air filter, a pressure gauge, a pressure accumulator, an oil-air separator, an engine throttle cylinder, a hydraulic oil filter, a hydraulic oil cooler, a screw air compressor body, and an air suction valve , maximum pressure valve, pressure relief valve, air supply cut-off valve, minimum pressure valve, safety valve and temperature control switch, the engine throttle cylinder is set between the pressure accumulator and the air compressor body, hydraulic oil filter and hydraulic oil cooler Parallel connection, one end of the parallel connection is connected to the pressure accumulator, and the other end is connected to the pipeline behind the air compressor body; the air suction valve is set between the gasoline engine and the oil-gas separator, and the minimum pressure valve is set in the air compressor On the cooling lubricating oil road, the maximum pressure valve is set on the connecting pipeline behind the gasoline engine, the air supply cut-off valve is connected with the gas outlet pipeline of the engine throttle cylinder, and the safety valve is set on the pressure accumulator.

As a preferred mode, the console includes a console body, a rotary operating valve, a rotary speed regulating valve, a lifting pressure regulating valve, a lifting operating valve, a stand-alone shut-off valve, a main air supply valve, a rotary motor, and an air faucet. and a two-way hydraulic lock, the rotary operation valve is arranged on one side of the console body, one outlet of the rotary operation valve is connected to the oil output port of the gear pump of the drilling rig, and the other outlet is connected to the rotation speed regulating valve. The outlet end of the rotation speed regulating valve is connected with the oil return port of the drilling rig; the lifting pressure regulating valve is arranged at an outlet end of the lifting operation valve, and the outlet end of the lifting pressure regulating valve is connected with the oil return port of the drilling rig; the lifting operation valve Set on the other side of the console body, the lift operation valve is connected to the output oil port of the gear pump of the drilling rig, and the lift operation valve is connected to the rotary fluid motor and the air faucet respectively; the single stop valve and the main air supply valve are both set on On the air supply pipeline of the drilling rig; the two-way hydraulic lock is arranged on the back plate of the console body, and the two-way hydraulic lock is connected with the oil inlet and outlet pipes of the lifting operation valve.

As a preferred manner, the centrifugal water pump set includes a pump body, a centrifugal impeller, a pump shaft, a water inlet hose and a water outlet hose. Corresponding to the water inlet, one end of the water inlet hose is clamped at the water inlet; the rear end of the pump shaft is corresponding to the water outlet of the pump body, and one end of the water outlet hose is clamped and fixed at the water outlet.

As a preferred method, the mast assembly includes a mast, a sprocket is arranged on the mast, a sprocket bearing and a lifting motor are arranged on the top of the mast, the sprocket passes through the sprocket bearing, and the drilling tool is fixed at one end of the sprocket , the lifting motor is connected with the sprocket bearing.

The effect of part parts of the present utility model is:

Mast assembly: There is a sprocket on the mast, and a sprocket bearing and a lifting motor are set on the top of the mast. Driven by the lifting motor, the sprocket moves to realize the lifting of the power head. When erecting the mast, at least one person should pull and protect the two supporting sub-rods to prevent the mast from falling and hurting people during erection; in addition, since the lower sprocket and bearing are close to the wellhead, the lifting motor is changed to the top of the mast for dust prevention.

Rack: Place all components on the rack for easy movement.

Hydraulic system: The hydraulic pump in the hydraulic system adopts double gear pump; the hydraulic motor adopts OMZS-315 or OMZS-250, the output shaft is connected by splines, and the other hydraulic auxiliary components are the existing auxiliary components of the main air drilling rig, which are easy to exchange. In order to achieve the purpose of cost saving.

Operating table: use multi-way control valve. In the hydraulic circuit of the console, install No. 1 pressure reducing valve and No. 1 throttle valve; install No. 2 adjustable throttle valve in the rotary circuit of the console; install No. 2 pressure reducing valve and two-way lock in the lifting circuit , in order to better control the lifting speed, so that the hydraulic transmission can achieve stepless speed regulation and pressure regulation according to the downhole conditions within the maximum allowable range of the hydraulic actuator. The drilling tool rotation and feeding/lifting pressure during drilling are all hydraulic motors Driven, easy to operate, to meet the requirements of various drilling operations; at the same time, the two-way lock can also play a role in stabilizing the lifting speed.

Compared with the prior art, the utility model has the beneficial effect: the drilling rig described in the utility model can not only fill the blank of the air-water dual-purpose drilling rig, effectively solve the problem of water shortage in drilling in the construction area, but also avoid the problems caused by drilling water and local occurrences. Contradictory probability greatly reduces drilling auxiliary time, improves drilling efficiency, reduces production, use and maintenance costs, and can be applied to the construction of soft, medium and hard rock areas at the same time, with high safety performance; suitable for mountainous areas, Oil and gas seismic exploration drilling operations in hills, plains and other areas, as well as engineering drilling in geology and mineral resources, water conservancy, roads, urban construction, etc.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Fig. 2 is a schematic diagram of the principle of the hydraulic system of the utility model.

Figure 3 is a schematic structural view of the air compressor.

Fig. 4 is a schematic structural view of the console.

In Fig. 1: engine-1, hydraulic system-2, operating console-3, air compressor unit-4, mast assembly-5, frame-6, fuel tank-7, oil cooler-8.

In Fig. 2: fuel tank-21, oil outlet filter element-22, prime mover-23, double gear pump-24, No. 1 reversing valve 25, No. 1 variable throttle valve-27, rotary motor-28, No. 2 changeover valve Directional valve-210, No. 2 variable throttle valve-212, two-way hydraulic lock-213, lifting motor-214, oil return filter element-217.

In Fig. 3: air filter-31, air suction valve-32, maximum pressure valve-33, pressure relief valve-34, pressure gauge-36, air supply stop valve-37, minimum pressure valve-38, safety valve- 39. Pressure accumulator-310, oil-air separator-311, engine throttle cylinder-312, hydraulic oil filter-315, hydraulic oil cooler-316, temperature control switch-318, screw air compressor body-319.

In Fig. 4: Rotary operating valve-41, rotating speed regulating valve-42, lifting pressure regulating valve-43, lifting operating valve-44, air faucet-45, two-way hydraulic lock-46, stand-alone shut-off valve-47, air supply master Valve-48, Rotary Motor-49.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

All features disclosed in this specification, or steps in all disclosed methods or processes, except for mutually exclusive characteristics and/or steps, can be combined in any way, unless otherwise stated, they can be used by other equivalent or similar Instead, each feature is intended to be replaced by alternative features, that is, each feature is only one embodiment of a series of equivalent or similar features unless stated otherwise.

Example:

As shown in Figures 1, 2, and 3, an air-water dual-purpose modular drilling rig includes a mast assembly 5, a frame 6, a hydraulic system 2, an air compressor unit 4, a fuel tank 7, an oil cooler 8, a hydraulic Flush system, air and water hoses, and drilling tools. The hydraulic system 2 is connected to the mast assembly 5, the air compressor unit 4 is connected to the mast assembly 5, and the hydraulic flushing system is connected to the mast assembly 5 through air supply and water supply hoses.

The hydraulic system 2, the air compressor unit 4 and the hydraulic flushing system are respectively provided with corresponding external frames, and the setting of the external frames can facilitate the movement and placement of these components. Moreover, the hydraulic system, the air compressor unit, the hydraulic flushing system, and the mast assembly are respectively detachably connected to the frame; in this embodiment, the detachable connection methods refer to quick insertion pins and quick connectors. The drilling rig can be disassembled into individual unit parts by pulling out the quick insertion pin and quick connector, which is convenient for lifting and relocation in groups of two at most.

The hydraulic system 2 includes a hydraulic pump group, an operating console 3, an oil cooler and the engine 1 of the front vehicle. The hydraulic pump set includes a lifting unit and a rotating unit, and the lifting unit and the rotating unit are connected in parallel to the double gear pump. The lifting unit includes a lifting hydraulic motor connected with the drilling tool, and the rotating unit includes a hydraulic motor connected with the drilling tool. rotary hydraulic motor. Two kinds of flow can be obtained by using the double gear pump to achieve the purpose of separately supplying oil to the hydraulic transmission, and the double gear pump has simple structure, reliable operation, convenient maintenance, and good adaptability to impact loads.

Specifically: the hydraulic pump set includes a fuel tank 21, an oil outlet filter element 22, a prime mover 23, a double gear pump 24, a No. 1 reversing valve 25, a No. 1 variable throttle valve 27, a rotating motor 28, and a No. Directional valve 210, No. 2 variable throttle valve 212, two-way hydraulic lock 213, lifting motor 214 and oil return filter element 217, No. 1 relief valve is provided on No. 1 directional valve 25; There is a No. 1 pressure gauge on the oil circuit. No. 2 reversing valve 210 is provided with a No. 2 relief valve; a No. 2 pressure gauge is provided on the oil outlet pipeline close to No. 2 reversing valve 210 . A radiator is arranged on the pipeline in front of the oil return filter element 217 . The oil outlet of the fuel tank is connected to the oil inlet of the double gear pump 24 through the oil outlet filter element, the output end of the prime mover 23 is connected to the input end of the double gear pump, and one of the oil outlets of the double gear pump 24 Connected with the rotary motor 28, a No. 1 reversing valve 25 is provided on the oil circuit between the double gear pump 24 and the rotary motor 28, and a No. 1 variable throttle valve 27 is connected to the oil circuit of one of the No. 1 reversing valves 25. The other way of No. 1 reversing valve 25 is connected to oil tank 21 through the oil return filter element; No. 2 reversing valve 210, one of the No. 2 reversing valves 210 is connected to the lifting motor 214 through a two-way hydraulic lock 213, and No. 1 and 2 variable throttle valves 212 are connected to the oil circuit behind No. 2 reversing valve 210. No. 2 variable throttle The flow valve 212 is connected in parallel with the pipeline behind the No. 1 variable throttle valve 27 and then connected to the oil tank 21 through the oil return filter element; the other path of the No. 2 reversing valve is connected to the oil tank through the oil return filter element.

The output power of the prime mover drives the double gear pump to rotate. The oil enters the oil inlet of the double gear pump through the oil tank and the oil outlet filter element, and supplies oil to the rotating circuit and the lifting circuit respectively through the two oil outlets of the double gear pump. As shown in the figure, when the No. 1 reversing valve is in the middle position, the P, T, A, and B ports are blocked, and the oil from the right side of the double gear pump passes through the No. 1 overflow valve and the pipeline to the radiator, return Oil filter element, and finally back to the fuel tank. Similarly, when the No. 2 reversing valve is in the middle position, the P, T, A, and B ports are all blocked, and the oil from the left side of the double gear pump passes through the No. 2 overflow valve and the pipeline to the radiator and the oil return filter element. Finally back to the gas tank.

When the handle of the No. 1 reversing valve is in the right position, the P port is connected to the A port, and the B port is connected to the T port. The pressure oil coming out from the right side of the double gear pump passes through the P port to the A port, and then passes through the No. 1 variable throttle valve. At this time, the variable throttle valve is in a fully open state. Oil tank; at this time, the rotating motor is driven by oil without pressure and does not rotate.

When the No. 1 variable throttle valve is screwed in and the opening is gradually reduced until it is closed, the hydraulic oil flow is blocked and cannot pass through the No. 1 variable throttle valve. The hydraulic oil can only reach the upper port of the rotary motor through the pipeline and flow into the The hydraulic oil of the rotating motor will start to rotate due to the gradual increase of the flow rate and pressure until it reaches the maximum speed. The hydraulic oil flowing out of the motor will flow from the B port of the No. 1 reversing valve to the T port through the pipeline, and then go through the pipeline to the radiator. , Return to the oil filter element, and return to the fuel tank, at this time, the rotary motor rotates forward.

Conversely, when the handle of the No. 1 reversing valve is at the left position, the variable throttle valve is still in the fully closed state at this time, and at this time, the P port is connected to the B port, and the A port is connected to the T port. The pressure oil coming out from the right side of the double gear pump passes through the P port to the B port, and enters the lower port of the rotary motor through the pipeline. From the A port of the No. directional valve to the T port, and then through the pipeline to the radiator, the oil return filter element, and back to the fuel tank, the rotating motor is reversed at this time.

When the handle of the No. 2 reversing valve is in the right position, the P port is connected to the A port, and the B port is connected to the T port. The pressure oil from the left side of the double gear pump passes through the P port to the A port, and then through the variable throttle valve. The variable throttle valve is in a fully open state, and then goes through the pipeline to the radiator, the oil return filter element, and returns to the fuel tank. At this time, the rotary motor is driven by oil without pressure and does not rotate. When screwing in the variable throttle valve and gradually reducing the opening until it is closed, the hydraulic oil flow is blocked and cannot pass through the variable throttle valve, and the hydraulic oil can only enter the two-way hydraulic lock through the tube. At this time, the hydraulic oil is pushed all the way to the single The direction valve faces upwards and flows into the upper port of the hydraulic motor, and the other one passes through the internal control oil circuit to open the one-way valve to connect the oil circuit downwards, and the hydraulic motor starts to rotate. After the oil flows out through the lower port of the lifting motor, it passes through the pipeline to the two-way The hydraulic lock goes upward through the one-way valve and the pipeline from the B port of the manual three-position four-way reversing valve to the T port, then through the pipeline to the radiator, the oil return filter element, and back to the fuel tank. At this time, the lifting motor rotates forward.

Conversely, when the handle of the No. 2 reversing valve is at the left position, the No. 1 variable throttle valve is still in a fully closed state, at this time, the P port is connected to the B port, and the A port is connected to the T port. The pressure oil from the left side of the double gear pump passes through the P port to the B port, and the hydraulic oil flows through the pipeline into the two-way hydraulic lock. At this time, the oil pushes the one-way valve to face down, flows into the lower port of the lifting motor, and the other way through The internal control oil circuit opens the one-way valve upward to connect the oil circuit, and the lifting motor starts to rotate in the reverse direction. From port A of the No. 2 reversing valve to port T, and then to the radiator, the oil return filter element through the pipeline, and then return to the fuel tank. At this time, the lifting motor is reversed.

The console includes console body, rotary operating valve 41, rotary speed regulating valve 42, lifting pressure regulating valve 43, lifting operating valve 44, stand-alone cut-off valve 47, main air supply valve 48, rotary motor 49, air Water tap 45 and two-way hydraulic lock 46. The rotary operation valve 41 is arranged on one side of the console body. One outlet of the rotary operation valve 41 is connected to the output oil port of the gear pump of the drilling rig, and the other outlet is connected to the rotation speed adjustment port. The outlet end of the rotation speed regulating valve is connected with the oil return port of the drilling rig; the lifting pressure regulating valve is arranged at an outlet end of the lifting operation valve, and the outlet end of the lifting pressure regulating valve is connected with the oil return port of the drilling rig. Connection; the lifting operation valve is set on the other side of the console body, the lifting operation valve is connected with the output oil port of the gear pump of the drilling rig, and the lifting operation valve is respectively connected with the rotary hydraulic motor and the air faucet; the single cut-off valve and the air supply The main valves are all set on the air supply pipeline of the drilling rig; the two-way hydraulic lock is set on the back plate of the console body, and the two-way hydraulic lock is connected with the oil inlet and outlet pipes of the lifting operation valve.

The air compressor unit includes a parallel air compressor and a rear car gasoline engine; the hydraulic flushing system includes an engine and a centrifugal water pump. Among them: air compressor includes air filter 31, pressure gauge 36, pressure accumulator 310, oil and gas separator 311, engine throttle cylinder 312, hydraulic oil filter 315, hydraulic oil cooler 316, screw air compressor body 319 , air intake valve 32, maximum pressure valve 33, pressure relief valve 34, air supply cut-off valve 37, minimum pressure valve 38, safety valve 39 and temperature control switch 318, engine throttle cylinder 312 is arranged on the pressure accumulator 310 and the air compressor body Between, the hydraulic oil filter 315 and the hydraulic oil cooler 316 are connected in parallel, and one end of the parallel connection is connected with the pressure accumulator 310, and the other end is connected with the pipeline behind the air compressor body; the air suction valve is arranged on the gasoline engine and Between the oil and gas separators, the minimum pressure valve 38 is arranged on the cooling lubricating oil circuit of the air compressor, the maximum pressure valve 33 is arranged on the connecting pipeline behind the gasoline engine, and the air supply shut-off valve is connected with the engine throttle cylinder. The outlet pipeline is connected, and the safety valve is arranged on the pressure accumulator. The hydraulic oil filter is connected with the temperature control switch on the pipeline behind the air compressor body through the hydraulic oil suction isolation membrane and the air suction isolation membrane.

The air enters the air compressor through the air filter and the air suction valve. When the air is compressed, the injected hydraulic oil lubricates, cools and seals the rotor and bearing. The compressed oil and gas medium enters the pressure accumulator at the maximum flow rate, the hydraulic oil separated by strong centrifugal force enters the pressure accumulator in a tangential direction, and the remaining hydraulic oil in the air enters the hydraulic oil tank after being separated by the oil-air separator. At this point, the air that has been compressed and does not contain hydraulic oil enters the air injection valve through the one-way pressure maintaining valve. This one-way pressure maintenance valve effectively maintains the pressure in the system to prevent the pressure from dropping below the pressure required for the normal operation of the system.

The temperature control line of the air compressor is connected with the ignition line of the engine. Adjust the short pointer of the air compressor temperature gauge to ℃. When the temperature reaches this temperature value during operation, a short circuit will be formed to force the engine to stop, thus protecting the air compressor. The machine will not burn out due to continuous operation due to excessive temperature.

The centrifugal water pump set includes a pump body, a centrifugal impeller, a pump shaft, a water inlet hose and a water outlet hose. The centrifugal impeller is arranged at the front end of the pump shaft, and the front end of the pump shaft corresponds to the water inlet of the pump body. One end of the water inlet hose is fastened at the water inlet; the rear end of the pump shaft corresponds to the water outlet of the pump body, and one end of the water outlet hose is fixed at the water outlet.

The mast assembly includes a mast, a sprocket is arranged on the mast, a sprocket bearing and a lifting motor are arranged on the top of the mast, the sprocket passes through the sprocket bearing, a drilling tool is fixed at one end of the sprocket, the lifting motor and the sprocket The bearings are connected.

The installation process of this drilling rig:

1. The ground where the drilling rig is installed should be solid, with a slope of less than 300°; the rack should be placed as far as possible so that the console is in the upwind direction relative to the wellhead.

2. Install the drilling rig frame: embed the legs and claws of the frame into the ground, and dig a small hole if necessary to embed them firmly. Adjust the height of the rack legs so that the rack is level and the center of the wellhead plate hole is within the specified range of the wellhead mark; after the adjustment is completed, fix it with a bolt.

3. Check the lubrication condition of the sprocket bearing on the mast, and add grease according to the situation.

4. Install the mast and strut on the rack, and adjust the strut to make the mast vertical. The backward direction of the mast is less than 5° from the plumb line, and the insertion pin and the locking adjustment handle or nut are fixed.

5. Lift the hydraulic pump unit on the frame, and then lift the engine unit matched with the hydraulic pump to the frame, so that the hydraulic pump and the engine two-unit frame are combined, and the conical feet at the bottom of the frame are connected to the foot plate holes, The bolts and wing nuts on the top should be positioned and locked. And secure the frame to the rack with pins.

6. Install the belt, check and adjust the position of the pulley according to the situation, so that the end faces of the two pulleys are in the same plane.

7. Place the console unit on the supporting legs of the rack and fix it with pins.

8. Install the power head and its hydraulic motor into the slot of the mast slide box, and fix it with a bolt.

10. Clean the quick connectors of the hydraulic lines and connect all the hydraulic lines.

11. When placing the air compressor unit, within the allowable range of the size of the well site and the length of the gas pipeline, install the air compressor unit as far away from the drilling rig as possible. It should be relative to the upwind direction of the wellhead, and the drilling operation of two wells should be completed at one time as much as possible. The surface of the air compressor pressure gauge faces the console.

12. Clean the quick connector of the air line of the air pressure system and connect all the air lines.

13. When placing the water pump, place the water pump next to the pool, connect the drainage (irrigation and diversion) pipeline at the water diversion valve of the three-way joint, and place the shower head below the water surface and keep a certain distance from the bottom of the pool to prevent sediment and weeds inhale.

The air-water dual-purpose modular drilling rig described in the utility model has the characteristics of full hydraulic pressure. The drilling tool rotation and feeding/lifting pressure during drilling are all driven by hydraulic motors. The screw water pump can carry out hydraulic flushing rotary drilling, and the air compressor unit can easily realize rotary/impact compound drilling, which can be adapted to soft, medium and hard rock formations, and drilling operations in watery or anhydrous areas.

Because the existing QPY-30 or WTY-30 drilling rig must lift the active drill pipe out of the wellhead when adding drill pipe, block the kelly, remove the gyrator, and then use the "lifter" to remove the active drill pipe. Lift the drill pipe to the wellhead, make it up manually, and then lower the added drill pipe to the wellhead plate after making it up, put the fork in place, remove the "lifter", move the rotator back, and tighten the box screw, Then the kelly is connected with the drill pipe buckle before drilling again, and the auxiliary drilling time is long, time-consuming and labor-intensive. Therefore, the air-water dual-purpose modular drilling rig of the utility model can effectively solve the above-mentioned problems. When adding a drill pipe during drilling, it only needs to be loaded and unloaded once to realize the addition of the drill pipe under the power head, which is very simple and fast. The pole time is short.

The air-water dual-purpose modular drilling rig of the utility model is convenient for quick disassembly and installation, is limited by the working site, and the decomposed unit parts are light in weight and small in size, and the largest unit parts are hydraulic oil tanks and pumps. Relocate in groups of two or by one person.

The mast structure of the air-water dual-purpose modular drilling rig described in the utility model is improved in terms of safety performance compared with the traditional drilling rig mast structure, and can solve the safety problems when the high-pressure water supply hose is wound around the active drill pipe and the tripping operation is performed. Meet the requirements of safety, environmental protection and health.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. An air-water dual-purpose modular drilling rig, comprising a mast assembly, a frame, a hydraulic system, an air compressor unit, a hydraulic flushing system, an air supply, a water supply hose and a drilling tool, and the hydraulic system comprises a hydraulic pump unit, Operating table, oil cooler and front engine, air compressor unit includes parallel air compressor and rear gasoline engine; hydraulic flushing system includes engine and centrifugal water pump; hydraulic system and mast assembly, air compressor unit and mast assembly, hydraulic The flushing system is connected to the mast assembly through air supply and water supply hoses, and it is characterized in that: the hydraulic system, the air compressor unit and the hydraulic flushing system are respectively provided with corresponding external frames, and the hydraulic system, the air compressor unit and the hydraulic flushing system The system and the mast assembly are respectively detachably connected to the frame; the hydraulic pump set includes a lifting unit and a rotating unit, and the lifting unit and the rotating unit are connected in parallel to the double gear pump, and the lifting unit includes a The lifting hydraulic motor includes a rotating hydraulic motor connected with the drilling tool in the rotating unit. 2. An air-water dual-purpose modular drilling rig according to claim 1, characterized in that: the hydraulic pump set includes a fuel tank, an oil outlet filter element, a prime mover, a double gear pump, a No. 1 reversing valve, a No. 1 variable throttle valve, rotary motor, No. 2 reversing valve, No. 2 variable throttle valve, two-way hydraulic lock, lifting motor and oil return filter element. The oil outlet of the oil tank passes through the oil outlet filter element and the dual gear pump The oil inlet is connected, the output end of the prime mover is connected with the input end of the double gear pump, one of the oil outlets of the double gear pump is connected with the rotary motor, and a No. 1 reversing valve, one of the oil passages of the No. 1 reversing valve is connected to the No. 1 variable throttle valve, and the other road of the No. 1 reversing valve is connected to the oil tank through the oil return filter element; the other oil outlet of the double gear pump Connected with the lifting motor, there is a No. 2 reversing valve between the double gear pump and the lifting motor. One of the No. 2 reversing valves is connected to the lifting motor through a two-way hydraulic lock. The oil circuit behind the No. 2 reversing valve is connected to The No. 1 and No. 2 variable throttle valves, the No. 2 variable throttle valve and the pipeline behind the No. 1 variable throttle valve are connected in parallel and connected to the oil tank through the oil return filter element; the other channel of the No. 2 reversing valve is connected to the fuel tank through the oil return filter element . 3. An air-water dual-purpose modular drilling rig according to claim 1, wherein the air compressor includes an air filter, a pressure gauge, a pressure accumulator, an oil-gas separator, an engine throttle cylinder, and a hydraulic oil filter device, hydraulic oil cooler, screw air compressor body, air suction valve, maximum pressure valve, pressure relief valve, air supply cut-off valve, minimum pressure valve, safety valve and temperature control switch, the engine throttle cylinder is set between the pressure accumulator and Between the air compressor bodies, the hydraulic oil filter and the hydraulic oil cooler are connected in parallel, one end of the parallel connection is connected to the pressure accumulator, and the other end is connected to the pipeline behind the air compressor body; the air suction valve is set on the gasoline engine Between the air compressor and the oil-gas separator, the minimum pressure valve is set on the cooling lubricating oil circuit of the air compressor, the maximum pressure valve is set on the connecting pipeline behind the gasoline engine, and the air supply cut-off valve is connected to the outlet of the engine throttle cylinder. The gas pipeline is connected, and the safety valve is set in the pressure accumulator. 4. An air-water dual-purpose modular drilling rig according to claim 1, characterized in that: the console includes a console body, a rotary operating valve, a rotary speed regulating valve, a lifting pressure regulating valve, a lifting Operation valve, stand-alone shut-off valve, main air supply valve, rotary motor, air faucet and two-way hydraulic lock. ports, and the other outlet port is connected with the rotation speed regulating valve, and the outlet port of the rotation speed regulating valve is connected with the oil return port of the drilling rig; the lifting pressure regulating valve is arranged at one outlet port of the lifting operation valve, The outlet end of the regulating valve is connected to the oil return port of the drilling rig; the lifting operation valve is set on the other side of the console body, and the lifting operation valve is connected to the oil output port of the gear pump of the drilling rig, and the lifting operation valve is respectively connected to the rotary fluid motor It is controlled and connected with the gas faucet separately; the single cut-off valve and the main gas supply valve are set on the gas supply pipeline of the drilling rig; the two-way hydraulic lock is set on the back plate of the console body, and the two-way hydraulic lock is connected with the oil inlet and outlet pipes of the lifting operation valve. 5. An air-water dual-purpose modular drilling rig according to claim 1, characterized in that: the centrifugal water pump set includes a pump body, a centrifugal impeller, a pump shaft, a water inlet hose and a water outlet hose, and the centrifugal The impeller is set at the front end of the pump shaft, the front end of the pump shaft corresponds to the water inlet of the pump body, and one end of the water inlet hose is clamped at the water inlet; the rear end of the pump shaft corresponds to the water outlet of the pump body, and the One end of the water outlet hose is fixed through the water outlet. 6. An air-water dual-purpose modular drilling rig according to claim 1, characterized in that: the mast assembly includes a mast, a sprocket is provided on the mast, and a sprocket bearing and a lifting motor are provided on the top of the mast , the sprocket passes through the sprocket bearing, the drilling tool is fixed at one end of the sprocket, and the lifting motor is connected with the sprocket bearing.