Universal machine tool hydraulic station suitable for petroleum drilling machine

Abstract

The utility model relates to the technical field of petroleum equipment, in particular to a universal machine tool hydraulic station suitable for a petroleum drilling machine, which comprises a machine body, an oil tank, an oil filling pipe, an oil pump main body, an oil pump motor assembly, a throttle stop valve, an oil supply component, an oil filling pipe, an oil filling component, a temperature controller and a liquid level meter, an oil filling pipe is arranged on the bottom face of the oil tank, an oil pump body is arranged below the oil tank, an oil pump motor assembly is arranged below the oil tank, a throttling stop valve is arranged on the outer side of the oil filling pipe, an oil supply assembly is arranged on one side of the oil filling pipe, an oil filling pipe is arranged on the outer side of the oil tank, an oil filling assembly is arranged on one side of the oil filling pipe, and a temperature controller is arranged on the outer side of the oil tank. A liquid level meter is arranged on one side of the oil tank; by means of independent operation of the double pumps, simultaneous operation of the hydraulic actuating mechanisms is achieved, use cost of machines and tools is reduced, stability of oil temperature and oil level is guaranteed, normal operation of the machines and tools is guaranteed, and therefore the service life of the machines and tools is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum equipment technical field especially suitable for general type machine tool hydraulic station of oil drilling rig. BACKGROUND

[0002] Hydraulic transmission technology is increasingly common on oil drilling rig, mainly including the following two aspects, one is the wellhead mechanized tool matched with oil drilling rig such as: drill pipe power tong, casing power tong, hydraulic cathead, hydraulic rotary cathead, iron driller, hydraulic winch, etc., two is the drilling rig, base buffer cylinder, drilling rig translation device, BOP hoisting device, etc.

[0003] Now the oil drilling rig matched machine tool uses all need by hydraulic station for it provides hydraulic source, because matched oil drilling rig equipment is different, the working condition is different, leads to machine tool hydraulic station variety, increased design, production cost, in addition, the hydraulic source demand of different equipment is different, several equipment simultaneous operation condition also often exists, the existing hydraulic station often is difficult to meet these requirements simultaneously.

[0004] Therefore, aiming at the condition that the existing oil drilling rig matched machine tool variety, use cost is higher, can design a kind of general type machine tool hydraulic station suitable for oil drilling rig, through the mode of double pump independent operation, realizes several hydraulic actuators simultaneous operation, reduces machine tool use cost, ensures oil temperature and oil level stability, safeguards machine tool normal operation, to effectively prolong machine tool service life. UTILITY MODEL CONTENTS

[0005] In order to overcome the majority of oil drilling rig matched machine tool, leads to machine tool hydraulic station variety, increased design, production cost, in addition, the hydraulic source demand of different equipment is different, several equipment simultaneous operation condition also often exists, the existing hydraulic station often is difficult to meet these requirements simultaneously.

[0006] The utility model discloses a general type machine tool hydraulic station suitable for oil drilling rig, including organism, oil tank, oil injection pipe, oil pump main body, oil pump motor assembly, throttle stop valve, oil supply assembly, oil filling pipe, oil filling assembly, temperature controller, temperature control component, liquid level meter, liquid level component and explosion -proof electric control box, the inside of organism is provided with oil tank, the bottom surface of oil tank is provided with oil injection pipe, and the lower portion of oil tank is provided with oil pump main body, and the other end of oil injection pipe is connected with oil pump main body, and the lower portion of oil tank is provided with oil pump motor assembly, and the outside of oil injection pipe is provided with throttle stop valve, and one side of oil injection pipe is provided with oil supply assembly, and the outside of oil tank is provided with oil filling pipe, and one side of oil filling pipe is provided with oil filling assembly, and the outside of oil tank is provided with temperature controller, and one side of temperature controller is provided with temperature control component, and one side of oil tank is provided with liquid level meter, and one side of liquid level meter is provided with liquid level component, and one side of organism is provided with explosion -proof electric control box.

[0007] Preferably, by setting the body fixed oil tank position, the oil tank stores oil, the temperature control instrument monitors the oil temperature in the oil tank in real time, the temperature control component controls the oil temperature to maintain the appropriate temperature, the explosion-proof electric control box controls the operation of the oil pump motor assembly, the oil pump motor assembly controls the operation of the oil pump body, the oil supply assembly controls the oil injection pipe to inject the oil in the oil tank into the oil pump body, the two groups of oil pump motor assemblies can work independently, the throttle stop valve is opened, the two groups of oil pump motor assemblies can be used as backup for each other, the oiling assembly is used for oiling operation through the oiling pipe, the liquid level meter monitors the liquid level in the oil tank in real time, and the liquid level assembly ensures that the oil in the oil tank is maintained at an appropriate height, so that several hydraulic actuators can work simultaneously, the use cost of the machine tool is reduced, the oil temperature and the oil level are stable, the normal operation of the machine tool is ensured, and the service life of the machine tool is prolonged.

[0008] Preferably, the oil injection pipe is provided with two groups, the oil pump body is provided with two groups, and the oil pump motor assembly is provided with two groups.

[0009] Preferably, the oil supply assembly comprises an oil suction filter, a check valve and an electro-hydraulic reversing valve, the oil suction filter is arranged on the outside of the oil injection pipe, the check valve is arranged on one side of the oil injection pipe, and the electro-hydraulic reversing valve is arranged on one side of the oil injection pipe.

[0010] Preferably, the oil supply assembly further comprises a first overflow valve, a pressure gauge, a pressure reducing valve, a speed regulating valve and an electromagnetic overflow valve, the first overflow valve is arranged on one side of the oil injection pipe, the pressure gauge is arranged on the outside of the oil injection pipe, the pressure reducing valve is arranged on one side of the oil injection pipe, the speed regulating valve is arranged on one side of the oil injection pipe, and the electromagnetic overflow valve is arranged on one side of the oil injection pipe.

[0011] Preferably, the oiling assembly comprises a gear pump, a ball valve, an air filter and an oil return filter, the gear pump is arranged on one side of the oiling pipe, the ball valve is arranged on one side of the gear pump, the air filter is arranged above the oil tank, and the oil return filter is arranged on one side of the air filter.

[0012] Preferably, the temperature control assembly comprises a heater and a cooler, the heater is arranged on one side of the oil tank, and the cooler is arranged on one side of the oil tank.

[0013] Preferably, the liquid level assembly comprises a liquid level relay and an alarm, the liquid level relay is arranged on the top of the oil tank, and the alarm is arranged on one side of the liquid level relay.

[0014] The utility model discloses the beneficial effects of:

[0015] When the machine tool is used, the oil tank position is fixed by the machine body, oil liquid is stored by the oil tank, the oil temperature in the oil tank is monitored in real time by the temperature controller, the oil liquid is kept at a proper temperature, the oil pump motor assembly is controlled to operate by the explosion-proof electric control box, the oil pump main body is controlled to operate by the oil pump motor assembly, the oil liquid in the oil tank is injected into the oil pump main body by the oil injection pipe, the two groups of oil pump motor assemblies can work independently, the two groups of oil pump motor assemblies can be used as backup for each other by opening the throttle stop valve, oiling operation is carried out by the oiling pipe, the liquid level in the oil tank is monitored in real time by the liquid level meter, and the oil liquid in the oil tank is ensured to be maintained at a proper height, so that the problem that most oil drilling rigs are matched with machine tools which need to be provided with a hydraulic source by a hydraulic station, the types of machine tool hydraulic stations are diversified, and the design and production costs are increased is solved, and the practical value of the machine tool is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of a general machine tool hydraulic station suitable for an oil drilling rig is shown.

[0017] Figure 2 A first partial structure schematic view of a general machine tool hydraulic station suitable for an oil drilling rig is shown.

[0018] Figure 3 A second partial structure schematic view of a general machine tool hydraulic station suitable for an oil drilling rig is shown.

[0019] Figure 4 A principle schematic view of a general machine tool hydraulic station suitable for an oil drilling rig is shown.

[0020] The reference signs are explained as follows: 1, machine body; 2, oil tank; 201, oil injection pipe; 202, oil pump main body; 203, oil pump motor assembly; 204, throttle stop valve; 205, oil suction and oil filter; 206, one-way valve; 207, electro-hydraulic reversing valve; 208, first overflow valve; 209, pressure gauge; 210, pressure reducing valve; 211, speed regulating valve; 212, electromagnetic overflow valve; 3, oiling pipe; 301, gear pump; 302, ball valve; 303, air filter; 304, oil return filter; 4, temperature controller; 401, heater; 402, cooler; 5, liquid level meter; 501, liquid level relay; 502, alarm; 6, explosion-proof electric control box. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a general type machine tool hydraulic station suitable for petroleum drilling rig, including organism 1, oil tank 2, oil injection pipe 201, oil pump main body 202, oil pump motor assembly 203, throttle stop valve 204, oil supply assembly, oil filler pipe 3, oil filling assembly, temperature controller 4, temperature control component, liquid level meter 5, liquid level component and explosion-proof electric cabinet 6, the inside of organism 1 is provided with oil tank 2, the bottom of oil tank 2 is provided with oil injection pipe 201, oil injection pipe 201 is provided with two groups, the below of oil tank 2 is provided with oil pump main body 202, oil pump main body 202 is provided with two groups, the other end of oil injection pipe 201 is connected with oil pump main body 202, the below of oil tank 2 is provided with oil pump motor assembly 203, oil pump motor assembly 203 is provided with two groups, the output of oil pump motor assembly 203 is connected with corresponding oil pump main body 202, the outside of oil injection pipe 201 is provided with throttle stop valve 204, one side of oil injection pipe 201 is provided with oil supply assembly, the outside of oil tank 2 is provided with oil filler pipe 3, one side of oil filler pipe 3 is provided with oil filling assembly, the outside of oil tank 2 is provided with temperature controller 4, one side of temperature controller 4 is provided with temperature control component, one side of oil tank 2 is provided with liquid level meter 5, one side of liquid level meter 5 is provided with liquid level component, one side of organism 1 is provided with explosion-proof electric cabinet 6.

[0023] Please refer to Figures 1-4 In the embodiment, the oil supply assembly includes oil suction filter 205, one-way valve 206, electro-hydraulic reversing valve 207, first overflow valve 208, pressure gauge 209, pressure reducing valve 210, speed regulating valve 211 and electromagnetic overflow valve 212, the outside of oil injection pipe 201 is provided with oil suction filter 205, one side of oil injection pipe 201 is provided with one-way valve 206, one side of oil injection pipe 201 is provided with electro-hydraulic reversing valve 207, one side of oil injection pipe 201 is provided with first overflow valve 208, the outside of oil injection pipe 201 is provided with pressure gauge 209, one side of oil injection pipe 201 is provided with pressure reducing valve 210, one side of oil injection pipe 201 is provided with speed regulating valve 211, one side of oil injection pipe 201 is provided with electromagnetic overflow valve 212, hydraulic oil is sucked from oil tank 2 through oil suction filter 205, wherein oil suction filter 205 will send an alarm signal after being blocked, the filter element can be replaced and cleaned in time after the signal is sent, the pressure oil flows into one of the two groups of oil injection pipes 201 through one-way valve 206, electro-hydraulic reversing valve 207 is used to provide pressure oil for power slips and iron drill, one-way valve 206 can prevent backflow of oil, first overflow valve 208 is used to control the maximum oil supply pressure, pressure gauge 209 is used to display oil pressure in real time, pressure reducing valve 210 is used to control the maximum pressure of power slips, speed regulating valve 211 is used to control the moving speed of power slips, the other group of oil pump main body 202 provides pressure oil for hydraulic winch, and electromagnetic overflow valve 212 is used to control the maximum oil supply pressure.

[0024] The oiling assembly comprises a gear pump 301, a ball valve 302, an air filter 303 and an oil return filter 304, one side of the oiling pipe 3 is provided with the gear pump 301, one side of the gear pump 301 is provided with the ball valve 302, the top of the oil tank 2 is provided with the air filter 303, one side of the air filter 303 is provided with the oil return filter 304, the gear pump 301 is used to flexibly block the oiling pipe 3, the gear pump 301 is opened to make the oiling pipe 3 suck oil from the oil tank 2, the hydraulic oil is injected into the oil tank 2 through the oil return filter 304, and the air filter 303 is used to avoid impurities in the air from entering the oil tank 2, wherein the oil return filter 304 and the air filter 303 can send an alarm signal after being blocked, and the filter element can be replaced and cleaned in time after the signal is sent; the temperature control assembly comprises a heater 401 and a cooler 402, one side of the oil tank 2 is provided with the heater 401, one side of the oil tank 2 is provided with the cooler 402, when the temperature of the oil tank 2 is higher than the set temperature, the cooler 402 is automatically started by the explosion-proof electric control box 6 to reduce the oil temperature to the normal oil temperature range, then the cooler 402 is closed, when the temperature of the oil tank 2 is lower than the set temperature, the heater 401 is automatically started by the explosion-proof electric control box 6 to raise the oil temperature to the normal oil temperature range, then the heater 401 is closed, so that the oil temperature is maintained stable; the liquid level assembly comprises a liquid level relay 501 and an alarm 502, the top of the oil tank 2 is provided with the liquid level relay 501, one side of the liquid level relay 501 is provided with the alarm 502, the liquid level relay 501 is used to control the minimum liquid level of the oil tank 2, when the liquid level in the oil tank 2 is lower than the set minimum liquid level, the alarm 502 is used to send an alarm signal to control the oil pump motor assembly 203 to be powered off.

[0025] During the oiling operation, the position of the oil tank 2 is fixed by the machine body 1, the ball valve 302 is opened, the gear pump 301 is opened to make the oiling pipe 3 suck oil from the oil tank 2, and at the same time, the air filter 303 is used to filter the air impurities entering the oil tank 2;

[0026] When the power slips and the iron drill are powered, the oil pump motor assembly 203 is opened to control one group of oil pump bodies 202 to operate, the hydraulic oil is sucked from the oil tank 2 through the oil suction filter 205, the pressure oil flows into one group of oil injection pipes 201 through the one-way valve 206, the electric-hydraulic reversing valve 207 is used to provide the pressure oil for the power slips and the iron drill, the first overflow valve 208 is used to control the maximum oil supply pressure, at the same time, the pressure gauge 209 is used to display the oil pressure in real time, the power slip maximum pressure is controlled by the pressure reducing valve 210, and the dynamic running speed of the power slip is controlled by the speed regulating valve 211;

[0027] When the hydraulic winch is powered, the oil pump motor assembly 203 is opened to control the other group of oil pump bodies 202 to operate, the hydraulic oil is sucked from the oil tank 2 through the oil suction filter 205, and the pressure oil flows into the other group of oil injection pipes 201 through the one-way valve 206;

[0028] During operation, the two sets of oil pump motor assemblies 203 can work independently, the throttle stop valve 204 is opened, and the two sets of oil pump motor assemblies 203 can serve as backup for each other;

[0029] Meanwhile, the temperature of the oil tank 2 is monitored in real time by the temperature controller 4, when the temperature of the oil tank 2 is higher than the set temperature, the cooler 402 is automatically started by the explosion-proof electric control box 6 to reduce the oil temperature to the normal temperature range, then the cooler 402 is closed, when the temperature of the oil tank 2 is lower than the set temperature, the heater 401 is automatically started by the explosion-proof electric control box 6 to raise the oil temperature to the normal temperature range, then the heater 401 is closed;

[0030] In addition, the liquid level in the oil tank 2 is monitored in real time by the liquid level gauge 5, the minimum liquid level in the oil tank 2 is controlled by the liquid level relay 501, when the liquid level in the oil tank 2 is lower than the set minimum liquid level, an alarm signal is sent by the alarm 502, the oil pump motor assembly 203 is powered off, the hydraulic oil is injected into the oil tank 2, and the machine tool is started again after the liquid level rises to the safe liquid level.

[0031] Through the above steps, the position of the oil tank 2 is fixed by the machine body 1, the oil liquid is stored in the oil tank 2, the temperature of the oil liquid in the oil tank 2 is monitored in real time by the temperature controller 4, the oil liquid is kept at a suitable temperature, the oil pump motor assembly 203 is controlled to operate by the explosion-proof electric control box 6, the oil pump main body 202 is controlled to operate by the oil pump motor assembly 203, the oil liquid in the oil tank 2 is injected into the oil pump main body 202 by the oil supply assembly through the oil injection pipe 201, the two sets of oil pump motor assemblies 203 can work independently, the throttle stop valve 204 is opened, the two sets of oil pump motor assemblies 203 can serve as backup for each other, the oiling assembly is used for oiling operation by means of the oiling pipe 3, the liquid level in the oil tank 2 is monitored in real time by the liquid level gauge 5, and the oil liquid in the oil tank 2 is maintained at a suitable height by the liquid level assembly, so that several hydraulic actuators can work simultaneously, the use cost of the machine tool is reduced, the oil temperature and the oil level are stable, and the normal operation of the machine tool is ensured.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A universal hydraulic power unit for oil drilling rigs, comprising a body (1), an oil tank (2), and an oil injection pipe (201), characterized in that: It also includes an oil pump body (202), an oil pump motor assembly (203), a throttle shut-off valve (204), an oil supply component, a refueling pipe (3), a refueling component, a temperature controller (4), a temperature control component, a level gauge (5), a level component, and an explosion-proof electrical control box (6). An oil tank (2) is provided inside the body (1). An oil filling pipe (201) is provided on the bottom surface of the oil tank (2). The oil pump body (202) is provided below the oil tank (2). The other end of the oil filling pipe (201) is connected to the oil pump body (202). A set of oil pump components is provided below the oil tank (2). There is an oil pump motor assembly (203), a throttle valve (204) is installed on the outside of the oil injection pipe (201), an oil supply component is installed on one side of the oil injection pipe (201), an oil filling pipe (3) is installed on the outside of the oil tank (2), an oil filling component is installed on one side of the oil filling pipe (3), a temperature controller (4) is installed on the outside of the oil tank (2), a temperature control component is installed on one side of the temperature controller (4), a level gauge (5) is installed on one side of the oil tank (2), a level component is installed on one side of the level gauge (5), and an explosion-proof electrical control box (6) is installed on one side of the machine body (1).

2. The universal hydraulic power unit for oil drilling rigs according to claim 1, characterized in that: There are two sets of oil injection pipes (201), two sets of oil pump bodies (202), and two sets of oil pump motor assemblies (203). The output end of the oil pump motor assembly (203) is connected to the corresponding oil pump body (202).

3. A universal hydraulic power unit for oil drilling rigs according to claim 1, characterized in that: The oil supply assembly includes an oil suction filter (205), a check valve (206), and an electro-hydraulic directional valve (207). An oil suction filter (205) is provided on the outside of the oil injection pipe (201), a check valve (206) is provided on one side of the oil injection pipe (201), and an electro-hydraulic directional valve (207) is provided on one side of the oil injection pipe (201).

4. A universal hydraulic power unit for oil drilling rigs according to claim 3, characterized in that: The oil supply assembly also includes a first overflow valve (208), a pressure gauge (209), a pressure reducing valve (210), a speed regulating valve (211), and a solenoid overflow valve (212). The first overflow valve (208) is provided on one side of the oil injection pipe (201), the pressure gauge (209) is provided on the outside of the oil injection pipe (201), the pressure reducing valve (210) is provided on one side of the oil injection pipe (201), the speed regulating valve (211) is provided on one side of the oil injection pipe (201), and the solenoid overflow valve (212) is provided on one side of the oil injection pipe (201).

5. A universal hydraulic power unit for oil drilling rigs according to claim 3, characterized in that: The refueling assembly includes a gear pump (301), a ball valve (302), an air filter (303), and a return oil filter (304). A gear pump (301) is installed on one side of the refueling pipe (3), a ball valve (302) is installed on one side of the gear pump (301), an air filter (303) is installed above the oil tank (2), and a return oil filter (304) is installed on one side of the air filter (303).

6. A universal hydraulic power unit for oil drilling rigs according to claim 3, characterized in that: The temperature control assembly includes a heater (401) and a cooler (402). The heater (401) is provided on one side of the oil tank (2), and the cooler (402) is provided on one side of the oil tank (2).

7. A universal hydraulic station for oil drilling rigs according to claim 3, characterized in that: The liquid level assembly includes a liquid level relay (501) and an alarm (502). The liquid level relay (501) is installed on the top of the oil tank (2), and the alarm (502) is installed on one side of the liquid level relay (501).

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