Gas-driven automatic oil injection and discharge integrated equipment

Abstract

The invention discloses gas-driven automatic oil injection and discharge integrated equipment which comprises an equipment frame and a standard nitrogen cylinder arranged on one side of the equipment frame, a display control module is arranged on the front face of the equipment frame, and a pressure control module is embedded in one side of the equipment frame. The gas-driven automatic oil injection and discharge integrated equipment performs automatic oil injection and discharge through nitrogen driving, has good explosion-proof safety and pressure control precision, provides a basis for automatic control of engine fuel oil injection and discharge procedures under the cooperation of the pressure control module, the display control module, the oil supply module and the oil storage module, and is high in safety and reliability. The fuel oil filling and discharging efficiency can be effectively improved, the filling and discharging oil quantity can be automatically metered, the product consistency is improved, the working intensity of workers is reduced, instructions are provided for oil liquid depletion oil recharging and waste oil full storage through the liquid level monitoring and weighing mode, and the production safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of testing devices, in particular to a gas-driven automatic oil injection and discharge integrated device. Background Art

[0002] In the fields of engine production and maintenance, the engine needs to be frequently refueled and drained. Currently, the operations of fuel filling and fuel draining require manual control of the equipment to start and stop. The efficiency of fuel filling and draining is low, the workload of personnel is high, the oil metering needs manual control, the oil volume data is inaccurate, and the product consistency is poor. Therefore, a gas-driven automatic oil filling and draining integrated equipment is proposed, which has the function of automatic control of engine fuel filling and draining processes, can effectively improve the efficiency of fuel filling and draining, has the function of automatic metering of filling and draining oil volume, improves product consistency, reduces the workload of personnel, and has the function of automatically reminding the equipment to replenish oil when the oil is exhausted and alarm when the waste oil is full, thereby improving production safety. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a gas-driven automatic oil injection and discharge integrated device, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a gas-driven automatic oil injection and discharge integrated device, comprising a device frame and a standard nitrogen bottle arranged on one side of the device frame, a display and control module is arranged on the front of the device frame, a pressure control module is embedded on one side of the device frame, the standard nitrogen bottle is connected to the input end of the pressure control module through a hydraulic hose, an oil supply module and an oil storage module are arranged inside the device frame, the pressure control module is used in conjunction with the oil supply module and the oil storage module respectively, and the display and control module is used in conjunction with the pressure control module, the oil supply module and the oil storage module respectively.

[0005] The present invention is further configured as follows: the oil supply module includes a transfer vehicle, a fuel supply tank is placed on the top of the transfer vehicle, a first manual shut-off valve, a liquid level gauge and a first safety valve are arranged on the top of the fuel supply tank, and the liquid level gauge is used to monitor the oil level inside the fuel supply tank and transmit the monitoring data to the display and control module; A second manual stop valve is also provided at the bottom of the oil supply tank.

[0006] The present invention is further configured as follows: the oil storage module comprises a floor scale, a waste oil barrel is placed on the top of the floor scale, and an inclined plate is also arranged on the back of the floor scale; The floor scale is used to weigh the real-time weight of the waste oil barrel and transmit the real-time weight to the display and control module.

[0007] The present invention is further configured as follows: an oil supply hose and an oil drain hose are respectively penetrated and fixedly installed on both sides of the front side of the equipment frame, one end of the oil supply hose is connected to a filling gun, and the other end of the oil supply hose is connected to the interior of the oil supply tank through a pressure pipe network, one end of the oil drain hose is connected to an oil return gun, and the other end of the oil drain hose is connected to the interior of a waste oil barrel through a valved pipe.

[0008] The present invention is further configured as follows: the pressure control module includes a gas filter, the input end of the gas filter is provided with a third manual stop valve, the output end of the gas filter is connected with a first air duct, the first air duct is sequentially provided with a first pressure sensor, a pressure reducing valve and a second pressure sensor, and one end of the first air duct is connected with a second air duct and a third air duct through a first three-way valve; One end of the second air guide pipe is communicated with the interior of the oil supply tank through a pipeline, and the pressure pipe network is communicated with the oil outlet end of the oil supply tank and one end of the third air guide pipe respectively.

[0009] The present invention is further configured as follows: the pressure pipe network includes a first liquid flow pipe, a second liquid flow pipe and an air flow pipe, and one end of the first liquid flow pipe, the second liquid flow pipe and the air flow pipe are connected through a second three-way valve; The other end of the first liquid flow tube is connected to a hydraulic filter, the liquid inlet end of the hydraulic filter is connected to the oil outlet end of the oil supply tank, the other end of the air flow tube is connected to the third air guide pipe through a third three-way valve, and the other end of the second liquid flow tube is connected to the other end of the oil supply hose.

[0010] The present invention is further configured as follows: a first electrical proportional valve, a first solenoid valve and a fourth manual stop valve are sequentially arranged on the surface of the second air guide pipe; A flow meter and a second solenoid valve are sequentially arranged on the surface of the first liquid flow tube; A third solenoid valve is provided on the surface of the airflow pipe; One end of the third air guide pipe and the other end of the air flow pipe are connected to a balance pipe through a third three-way valve, and a fourth solenoid valve is provided on the surface of the balance pipe. A second electrical proportional valve is also provided on the third air guide pipe; A third pressure sensor, a second safety valve and a fifth manual stop valve are sequentially arranged on the surface of the second liquid flow pipe.

[0011] The present invention is further configured as follows: a fifth solenoid valve and a sixth manual stop valve are sequentially arranged on the surface of the valved pipeline.

[0012] The present invention provides a gas-driven automatic oil injection and discharge integrated device, which has the following beneficial effects: The present invention automatically injects and discharges oil through nitrogen drive, has good explosion-proof safety and pressure control accuracy, and provides a basis for automatic control of engine fuel filling and draining processes under the cooperation of a pressure control module, a display and control module, an oil supply module and an oil storage module, can effectively improve the efficiency of fuel filling and draining, and can automatically measure the amount of oil filled and drained, improve product consistency, reduce the workload of personnel, and provide indications for oil replenishment when oil is exhausted and for full storage of waste oil through liquid level monitoring and weighing, thereby improving production safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the external structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the control principle of the present invention; Figure 4 It is a schematic diagram of the connection between the pressure pipe network and the oil supply tank structure of the present invention.

[0014] In the figure: 1. Equipment frame; 101. Hydraulic hose; 102. Oil supply hose; 103. Oil discharge hose; 104. Filling gun; 105. Oil return gun; 2. Standard nitrogen cylinder; 3. Display and control module; 4. Pressure control module; 401. Gas filter; 402. Third manual stop valve; 403. First air pipe; 404. First pressure sensor; 405. Pressure reducing valve; 406. Second pressure sensor; 407. Second air pipe; 408. Third air pipe; 409. First electrical proportional valve; 4010. First solenoid valve; 4011. Fourth manual stop valve; 4012. Balance pipe; 4013. Fourth solenoid valve; 4014. Second electrical proportional valve; 5. Oil supply module; 501. Transfer vehicle; 502. Oil supply tank; 503. First manual stop valve; 504. Liquid level gauge; 505. First safety valve; 506. Second manual stop valve; 6. Oil storage module; 601. Floor scale; 602. Waste oil barrel; 603. Inclined plate; 7. Pressure pipe network; 701. First liquid flow pipe; 702. Second liquid flow pipe; 703. Air flow pipe; 704. Hydraulic filter; 705. Flow meter; 706. Second solenoid valve; 707. Third solenoid valve; 708. Third pressure sensor; 709. Second safety valve; 7010. Fifth manual stop valve; 8. Valved pipeline; 801. Fifth solenoid valve; 802. Sixth manual stop valve. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0016] See also Figure 1-4 The embodiment of the present invention provides the following technical solution: a gas-driven automatic oil injection and discharge integrated device, comprising an equipment frame 1, a standard nitrogen bottle 2, a display and control module 3, a pressure control module 4, an oil supply module 5 and an oil storage module 6, wherein the display and control module 3 is arranged on the front of the equipment frame 1, and the display and control module 3 is used for human-computer interaction and system control, and includes a display and control integrated machine, a keyboard and an electric control box, the electric control box has integrated electrical components inside, and control buttons are arranged on the upper part.

[0017] As a preferred solution, in order to realize oil supply monitoring, the oil supply module 5 includes a transfer vehicle 501, a fuel supply tank 502 is placed on the top of the transfer vehicle 501, and a first manual stop valve 503, a liquid level meter 504 and a first safety valve 505 are arranged on the top of the fuel supply tank 502. The liquid level meter 504 is used to monitor the oil level inside the fuel supply tank 502 and transmit the monitoring data to the display and control module 3 for display in the integrated display and control machine, as shown in the attached figure. Figure 1 and attached Figure 2 As shown, an alarm indicator light is also provided on the top of the equipment frame 1. When the liquid level meter 504 detects that the oil level inside the oil supply tank 502 reaches a preset alarm value, an oil replenishment alarm is issued. A second manual stop valve 506 is also provided at the bottom of the oil supply tank 502 for draining sediment.

[0018] As a preferred solution, in order to realize the detection of waste oil fullness, the oil storage module 6 includes a floor scale 601, a waste oil barrel 602 is placed on the top of the floor scale 601, and an inclined plate 603 is also provided on the back of the floor scale 601. The floor scale 601 is used to weigh the real-time weight of the waste oil barrel 602 and transmit the real-time weight to the display and control module 3. The transmission of the real-time weight can not only realize the accurate calculation of the amount of discharged waste oil, but also can judge that the waste oil barrel 602 is in a full state when the real-time weight reaches the preset standard value, so as to alarm through the alarm indicator light to prompt the waste oil barrel 602 to be cleaned.

[0019] Further explanation: in order to facilitate the oil supply from the oil supply tank 502 and the introduction of waste oil into the waste oil barrel 602, an oil supply hose 102 and an oil drain hose 103 are respectively penetrated and fixedly installed on both sides of the front of the equipment frame 1. One end of the oil supply hose 102 is connected to a filling gun 104, and the other end of the oil supply hose 102 is connected to the interior of the oil supply tank 502 through the pressure pipe network 7. One end of the oil drain hose 103 is connected to an oil return gun 105, and the other end of the oil drain hose 103 is connected to the interior of the waste oil barrel 602 through a valved pipe 8. Specifically, a fifth solenoid valve 801 and a sixth manual stop valve 802 are sequentially arranged on the surface of the valved pipe 8.

[0020] Furthermore, in order to facilitate the retraction and extension of the oil supply hose 102 and the oil drain hose 103, two sets of automatic pipeline retraction devices are arranged at the bottom of the front side of the equipment frame 1, which are used to realize the convenient retraction and extension of the oil supply hose 102 and the oil drain hose 103. The automatic pipeline retraction device is a conventional structure and will not be described in detail.

[0021] As a preferred solution, in order to realize the automatic operation of oil supply and oil discharge, the standard nitrogen cylinder 2 is connected to the input end of the pressure control module 4 through the hydraulic hose 101. Specifically, the pressure control module 4 includes a gas filter 401, and the input end of the gas filter 401 is provided with a third manual stop valve 402. The standard nitrogen cylinder 2 is connected to the third manual stop valve 402 through the hydraulic hose 101, and the output end of the gas filter 401 is connected to the first air guide pipe 403, and the first air guide pipe 403 is sequentially provided with a first pressure sensor 404, a pressure reducing valve 405 and a first pressure reducing valve 406. Two pressure sensors 406, one end of the first air pipe 403 is connected to the second air pipe 407 and the third air pipe 408 through a first three-way valve, one end of the second air pipe 407 is connected to the interior of the oil supply tank 502 through a pipeline, and the surface of the second air pipe 407 is sequentially provided with a first electrical proportional valve 409, a first solenoid valve 4010 and a fourth manual stop valve 4011, wherein the pressure pipe network 7 is respectively connected to the oil outlet end of the oil supply tank 502 and one end of the third air pipe 408, and the third air pipe 408 is also provided with a second electrical proportional valve 4014.

[0022] As a detailed description, the pressure pipe network 7 includes a first liquid flow pipe 701, a second liquid flow pipe 702 and an air flow pipe 703. One ends of the first liquid flow pipe 701, the second liquid flow pipe 702 and the air flow pipe 703 are connected through a second three-way valve, and the other end of the first liquid flow pipe 701 is connected to a hydraulic filter 704. The liquid inlet end of the hydraulic filter 704 is connected to the oil outlet end of the oil supply tank 502. The surface of the first liquid flow pipe 701 is sequentially provided with a flow meter 705 and a second solenoid valve 706, and the surface of the air flow pipe 703 is provided with a third solenoid valve 707. The other end of the air flow pipe 703 is connected to the third air guide pipe 408 through the third three-way valve. One end of the third air guide pipe 408 and the other end of the air flow pipe 703 are commonly connected to a balance pipe 4012 through the third three-way valve, and a fourth solenoid valve 4013 is provided on the surface of the balance pipe 4012 for exhaust pressure stabilization.

[0023] The other end of the second liquid flow tube 702 is communicated with the other end of the oil supply hose 102 , and a third pressure sensor 708 , a second safety valve 709 and a fifth manual stop valve 7010 are sequentially arranged on the surface of the second liquid flow tube 702 .

[0024] When refueling, the operator connects the refueling gun 104 and the oil return gun 105 to the refueling port and the discharge port of the product E to be refueled, respectively, and sets the refueling amount and refueling pressure through the display and control module 3; The standard nitrogen cylinder 2 is opened, and the nitrogen reaches the pressure control module 4 through the hydraulic hose 101. The third manual stop valve 402 of the equipment is opened to control the total air intake of the equipment. The gas filter 401 starts to work to improve the purity of the nitrogen. The first pressure sensor 404 detects the initial pressure at the air intake end of the equipment and transmits the signal to the display and control module 3. The display and control module 3 controls the pressure reducing valve 405 to reduce the pressure of the first air guide pipe 403 to the working range. The pressure of the pressure pipeline after the pressure reducing valve 405 is regulated is detected by the second pressure sensor 406 to realize closed-loop control. The nitrogen after decompression accurately adjusts the pressure in the second air guide pipe 407 through the first electrical proportional valve 409, the first solenoid valve 4010 is opened, the fourth manual stop valve 4011 is opened, the nitrogen enters the oil supply tank 502 to pressurize the oil inside it, and the oil with a certain pressure is transported to the hydraulic filter 704 to filter out impurities and particulate matter in the oil. The filtered oil is measured by the flow meter 705. The second solenoid valve 706 is opened, and the oil accurately detects the pipeline pressure of the second liquid flow pipe 702 through the third pressure sensor 708 and transmits the signal to the display and control module 3. The display and control module 3 controls the first electrical proportional valve 409 to accurately adjust the pipeline pressure to the set filling pressure value to achieve precise closed-loop control. The fifth manual stop valve 7010 is opened, and the oil after precise pressure control enters the product E; The display and control module 3 calculates the cumulative oil filling amount of the equipment through the flow meter 705. When the cumulative oil filling amount reaches the set oil filling amount of the equipment, the display and control module 3 controls the first solenoid valve 4010, the second solenoid valve 706, and the fifth solenoid valve 801 to automatically close, and the oil supply stops. The operator closes the standard nitrogen bottle 2, and the gas supply to the equipment stops. Then the fourth solenoid valve 4013 is opened to discharge the nitrogen in the oil supply tank 502 to restore normal pressure. After the exhaust is completed, the fourth solenoid valve 4013 is closed, and the fuel filling work is completed.

[0025] When the fuel is discharged, the operator connects the filling gun 104 and the oil return gun 105 of the equipment to the filling port and the discharge port of the oil product to be discharged respectively, and sets the oil discharge pressure through the display and control module 3.

[0026] The standard nitrogen cylinder 2 is opened, and the nitrogen reaches the equipment pressure control module 4 through the hydraulic hose 101. The third manual stop valve 402 of the equipment is opened to control the total air intake of the equipment. The gas filter 401 starts to work to improve the purity of the nitrogen. The first pressure sensor 404 detects the initial pressure at the air intake end of the equipment and transmits the signal to the display and control module 3. The display and control module 3 controls the pressure reducing valve 405 to reduce the pipeline pressure to the working range. The pressure of the pipeline after the pressure reducing valve 405 is regulated is detected by the second pressure sensor 406 to achieve closed-loop control. The nitrogen after decompression is accurately adjusted through the second electrical proportional valve 4014 to adjust the pipeline pressure, the third solenoid valve 707 is opened, the nitrogen is accurately detected through the third pressure sensor 708 to detect the pipeline pressure and transmit the signal to the display and control module 3, the display and control module 3 controls the second electrical proportional valve 4014 to accurately adjust the pipeline pressure to the set oil discharge pressure value to achieve accurate closed-loop control, the fifth manual stop valve 7010 is opened, the nitrogen after accurate pressure control enters the product, the fifth solenoid valve 801 is opened, the sixth manual stop valve 802 is opened, and the pressurized nitrogen The fuel in the product is squeezed into the waste oil barrel 602, and the weight of the waste oil barrel 602 is monitored in real time by the floor scale 601 and the information is transmitted to the display and control module 3. When the weight of the waste oil barrel 602 no longer increases, the display and control module 3 controls the third solenoid valve 707 and the fifth solenoid valve 801 to close, and the oil discharge stops. The operator closes the standard nitrogen bottle 2, and the gas supply to the equipment stops. Then the fourth solenoid valve 4013 is opened to discharge the nitrogen in the pipeline to restore normal pressure. After the exhaust is completed, the fourth solenoid valve 4013 is closed, and the fuel discharge work is completed.

[0027] When the oil in the oil supply tank 502 is exhausted, the liquid level meter 504 can detect the liquid level information and transmit it to the display and control module 3. The display and control module 3 controls the alarm indicator light to send out an alarm signal. The operator can move the oil supply tank 502 out and transport it to the refueling place through the transfer vehicle 501, and refill the oil through the first manual stop valve 503. After long-term use of the equipment, sediment and other impurities will be generated in the oil supply tank 502, which can be discharged through the second manual stop valve 506.

[0028] When the waste oil barrel 602 is full of oil, the floor scale 601 can detect the weight information of the waste oil barrel 602 and transmit it to the display and control module 3. The display and control module 3 can set a threshold for the weight of the waste oil barrel 602. When the floor scale 601 detects that the weight of the waste oil barrel 602 reaches the threshold, the display and control module 3 controls the alarm indicator light to send an alarm signal to prompt the operator to replace the waste oil barrel.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas-driven automatic oil filling and discharging integrated device, comprising a device frame (1) and a standard nitrogen bottle (2) arranged on one side of the device frame (1), characterized in that: A display and control module (3) is arranged on the front of the equipment frame (1), a pressure control module (4) is embedded on one side of the equipment frame (1), the standard nitrogen cylinder (2) is connected to the input end of the pressure control module (4) via a hydraulic hose (101), an oil supply module (5) and an oil storage module (6) are arranged inside the equipment frame (1), the pressure control module (4) is used in conjunction with the oil supply module (5) and the oil storage module (6), and the display and control module (3) is used in conjunction with the pressure control module (4), the oil supply module (5) and the oil storage module (6), respectively.

2. The gas-driven automatic oil filling and discharging integrated equipment according to claim 1, characterized in that: The oil supply module (5) comprises a transfer vehicle (501), an oil supply tank (502) is placed on the top of the transfer vehicle (501), a first manual stop valve (503), a liquid level gauge (504) and a first safety valve (505) are arranged on the top of the oil supply tank (502), and the liquid level gauge (504) is used to monitor the oil level inside the oil supply tank (502) and transmit the monitoring data to the display and control module (3); A second manual stop valve (506) is also provided at the bottom of the oil supply tank (502).

3. The gas-driven automatic oil filling and discharging integrated equipment according to claim 2, characterized in that: The oil storage module (6) comprises a floor scale (601), a waste oil barrel (602) is placed on the top of the floor scale (601), and an inclined plate (603) is also provided on the back of the floor scale (601); The floor scale (601) is used to weigh the real-time weight of the waste oil barrel (602), and transmit the real-time weight to the display and control module (3).

4. The gas-driven automatic oil filling and discharging integrated equipment according to claim 3 is characterized by: An oil supply hose (102) and an oil discharge hose (103) are respectively passed through and fixedly installed on both sides of the front of the equipment frame (1); one end of the oil supply hose (102) is connected to a filling gun (104); the other end of the oil supply hose (102) is connected to the interior of the oil supply tank (502) through a pressure pipe network (7); one end of the oil discharge hose (103) is connected to an oil return gun (105); the other end of the oil discharge hose (103) is connected to the interior of a waste oil barrel (602) through a pipe with a valve (8).

5. The gas-driven automatic oil filling and discharging integrated equipment according to claim 4, characterized in that: The pressure control module (4) comprises a gas filter (401); an input end of the gas filter (401) is provided with a third manual stop valve (402); an output end of the gas filter (401) is connected to a first air duct (403); a first pressure sensor (404), a pressure reducing valve (405) and a second pressure sensor (406) are sequentially provided on the first air duct (403); one end of the first air duct (403) is connected to a second air duct (407) and a third air duct (408) via a first three-way valve; One end of the second air guide pipe (407) is connected to the interior of the oil supply tank (502) through a pipeline, and the pressure pipe network (7) is respectively connected to the oil outlet end of the oil supply tank (502) and one end of the third air guide pipe (408).

6. The gas-driven automatic oil filling and discharging integrated equipment according to claim 5, characterized in that: The pressure pipe network (7) comprises a first liquid flow pipe (701), a second liquid flow pipe (702) and an air flow pipe (703), and one end of the first liquid flow pipe (701), the second liquid flow pipe (702) and the air flow pipe (703) are connected via a second three-way valve; The other end of the first liquid flow pipe (701) is connected to a hydraulic filter (704), the liquid inlet end of the hydraulic filter (704) is connected to the oil outlet end of the oil supply tank (502), the other end of the air flow pipe (703) is connected to the third air guide pipe (408) via a third three-way valve, and the other end of the second liquid flow pipe (702) is connected to the other end of the oil supply hose (102).

7. The gas-driven automatic oil filling and discharging integrated equipment according to claim 6, characterized in that: A first electrical proportional valve (409), a first solenoid valve (4010) and a fourth manual stop valve (4011) are sequentially arranged on the surface of the second air guide pipe (407); A flow meter (705) and a second solenoid valve (706) are sequentially arranged on the surface of the first liquid flow tube (701); A third solenoid valve (707) is provided on the surface of the airflow pipe (703); One end of the third air guide pipe (408) and the other end of the air flow pipe (703) are connected to a balance pipe (4012) via a third three-way valve, and a fourth solenoid valve (4013) is provided on the surface of the balance pipe (4012). A second electrical proportional valve (4014) is also provided on the third air guide pipe (408); A third pressure sensor (708), a second safety valve (709) and a fifth manual stop valve (7010) are sequentially arranged on the surface of the second liquid flow pipe (702).

8. The gas-driven automatic oil filling and discharging integrated equipment according to claim 7, characterized in that: A fifth solenoid valve (801) and a sixth manual stop valve (802) are sequentially arranged on the surface of the valved pipeline (8).

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