CN210068450U - Waste oil tank oil pumping control device of aircraft fuelling vehicle - Google Patents
Waste oil tank oil pumping control device of aircraft fuelling vehicle Download PDFInfo
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- CN210068450U CN210068450U CN201920803216.XU CN201920803216U CN210068450U CN 210068450 U CN210068450 U CN 210068450U CN 201920803216 U CN201920803216 U CN 201920803216U CN 210068450 U CN210068450 U CN 210068450U
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- oil
- waste oil
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Abstract
The utility model relates to the technical field of aviation ground facilities, in particular to an oil pumping control device for a waste oil tank of an aircraft refueling truck, which comprises a control system, the waste oil tank and a hydraulic system, wherein the hydraulic system comprises an air source, a hydraulic motor and an oil pump, and is provided with a gas-electric conversion valve, a shuttle valve, a gas control reversing valve and an oil recovery tank, the waste oil tank is provided with an indicator light and a buzzer, the outer wall of the waste oil tank is provided with a manual oil pumping control switch and a peep mirror, the waste oil tank is internally provided with a high liquid level sensor and a low liquid level sensor, the indicator light, the buzzer and the gas-electric conversion valve are respectively connected with a power supply through circuit switches, the circuit switches are connected with the control system, the gas-electric conversion valve is connected with the air source and the shuttle valve after being connected with the manual oil pumping control switch, the gas control reversing valve is, the utility model discloses convenient operation, can in time safe efficient take out unnecessary oil in the waste oil tank.
Description
Technical Field
The utility model relates to an aviation ground facility technical field specifically indicates an aircraft tank service truck waste oil tank oil pumping controlling means.
Background
It is known that an aircraft refueling truck, whether a tank refueling truck or a pipeline refueling truck is provided with a waste oil tank, and the waste oil tank is mainly used for collecting waste oil, such as waste oil discharged before and after open-circuit sampling and closed-circuit sampling, oil discharged from a pipeline during self-circulation testing for checking the oil quality on line and oil discharged from a safety valve in pressure testing, wherein the oil belongs to oil flowing out of an outlet of a filter of the refueling truck, and is not allowed to enter an aircraft again without being filtered and must be collected and recovered.
The automatic recovery unit of current tank-type tank truck waste oil tank generally not disposes, and adopt manual emission to outside container to retrieve, if the waste oil tank is full and careless can lead to the oil to spill over from the waste oil tank, produce the pollution to the environment, and lead to the potential safety hazard to produce, manual oil discharge work efficiency is low simultaneously, intensity of labour is higher, in addition, some pipeline tank trucks dispose automatic oil pumping unit and adopt hydraulic pressure electromagnetic directional valve direct control oil-well pump more, have considerable potential safety hazard, and all silent light alarm suggestion.
Disclosure of Invention
The utility model aims at solving the prior art not enough, provide an easy operation, adjust convenient, low in labor strength, can in time safe efficient take out the aircraft tank waste oil tank oil pumping control device of unnecessary oil in the waste oil tank.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an aircraft tank truck waste oil case oil pumping controlling means, includes control system, waste oil case and hydraulic system, hydraulic system includes air supply, hydraulic line, hydraulic motor and oil-well pump, its characterized in that: the device is provided with a pneumatic-electric conversion valve, a pneumatic control reversing valve, a circuit switch and an oil recovery tank, wherein an indicator lamp and a buzzer are arranged on the waste oil tank, a high liquid level sensor is arranged at the upper end in the waste oil tank, a low liquid level sensor is arranged at the lower end in the waste oil tank, the high liquid level sensor and the low liquid level sensor are respectively connected with a control system, one end of the buzzer is connected with the circuit switch and then connected with a positive electrode of a power supply, the other end of the buzzer is connected with a negative electrode of the power supply, the indicator lamp is connected with the buzzer in parallel, a coil of the pneumatic-electric conversion valve is connected with the power supply through the circuit switch, the circuit switch is connected with the control system, a gas circuit interface of the pneumatic-electric conversion valve is respectively connected with a gas source and the pneumatic control reversing valve, the pneumatic control reversing valve is connected with, when oil reaches high liquid level in the waste oil tank, high level sensor output signal, through control system, switch on circuit switch, buzzer and pilot lamp send audible and visual warning, the gas-electric change-over valve is the switching-over that gets electricity simultaneously, atmospheric pressure in the air supply gets into gas accuse switching-over valve, promote gas accuse switching-over valve switching-over, make hydraulic pressure oil pass through and get into hydraulic motor, hydraulic pressure oil drive hydraulic motor rotates and drives the oil-well pump, the oil in the waste oil tank is sucked, in the oil pumping in-process, the oil liquid level in the waste oil tank slowly descends, when the liquid level reduces to low liquid level, low level sensor output signal, through control system, the circuit switch is disconnected, the oil is not sucking.
Be equipped with the peep hole on the waste oil tank outer wall, be equipped with oil pumping hand control switch on the waste oil tank, be equipped with the shuttle valve between gas electricity change-over valve and the pneumatic control switching-over valve, oil pumping hand control switch one end is connected with the air supply, and the other end is connected with the shuttle valve, gas electricity change-over valve one end is connected with the air supply, and the other end is connected with the shuttle valve, the shuttle valve is connected with pneumatic control switching-over valve to do benefit to under emergent condition, observe the interior oil material condition of waste oil tank through the peep hole, manual start oil pumping hand control switch starts the oil pumping process, when the oil was evacuated, close oil pumping hand control switch can.
Peep the mirror and be located the positive centre of waste oil tank, peep the mirror and include toughened glass, sealed pad and flange, toughened glass passes through flange, sealed pad and waste oil tank seal fixedly to do benefit to and guarantee security and leakproofness, convenient the height of observing the liquid level at any time directly perceived simultaneously.
The utility model discloses owing to adopt above-mentioned structure, have easy operation, adjust convenient, low in labor strength, can in time safe efficient take out advantages such as unnecessary oil in the waste oil tank.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the waste oil tank of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2 of the present invention.
Fig. 4 is a schematic diagram of the gas circuit control and the hydraulic control in the present invention.
Fig. 5 is a schematic diagram of the control principle of the middle circuit of the present invention.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
The utility model provides an aircraft tank truck waste oil case oil pumping controlling means, includes control system, waste oil case 1 and hydraulic system, hydraulic system includes air supply 2, hydraulic line, hydraulic motor 3 and oil-well pump 4, its characterized in that: the device is provided with a gas-electric conversion valve 5, a gas-control reversing valve 7, a circuit switch 14 and an oil recovery tank, wherein an indicator lamp 8 and a buzzer 9 are arranged on a waste oil tank 1, a high liquid level sensor 12 is arranged at the upper end in the waste oil tank 1, a low liquid level sensor 13 is arranged at the lower end in the waste oil tank 1, the high liquid level sensor 12 and the low liquid level sensor 13 are respectively connected with a control system, one end of the buzzer 9 is connected with the circuit switch 14 and then connected with the positive electrode of a power supply 15, the other end of the buzzer is connected with the negative electrode of the power supply 15, the indicator lamp 8 is connected with the buzzer 9 in parallel, a coil of the gas-electric conversion valve 5 is connected with the power supply 15 through the circuit switch 14, the circuit switch 14 is connected with the control system, a gas circuit interface of the gas-electric conversion valve 5 is respectively connected with a gas source 2 and the gas-, one end of an oil well pump 4 is connected with a waste oil tank 1, the other end of the oil well pump is connected with an oil recovery tank, when the oil in the waste oil tank reaches a high liquid level, the high liquid level sensor outputs signals, a circuit switch is connected through a control system, a buzzer and an indicator lamp give out sound and light alarm, meanwhile, a gas-electricity conversion valve is switched on electrically, air pressure in an air source enters the gas-electricity conversion valve, the gas-electricity conversion valve is pushed to be switched on, hydraulic pressure oil passes through and enters a hydraulic motor, the hydraulic pressure oil drives the hydraulic motor to rotate and drive the oil well pump, the oil in the waste oil tank is sucked, in the oil pumping process, the liquid level of the oil in the waste oil tank slowly drops, when the liquid level drops to a low liquid level, the low liquid level sensor outputs signals.
Be equipped with sight glass 11 on the 1 outer wall of waste oil tank, be equipped with oil pumping hand control switch 10 on the waste oil tank 1, be equipped with shuttle valve 6 between gas-electricity change-over valve 5 and the pneumatic control switching-over valve 7, oil pumping hand control switch 10 one end is connected with air supply 2, and the other end is connected with shuttle valve 6, gas-electricity change-over valve 5 one end is connected with air supply 2, and the other end is connected with shuttle valve 6, shuttle valve 6 is connected with pneumatic control switching-over valve 7 to do benefit to under emergency, observe the interior oil material condition of waste oil tank through the sight glass, manual start oil pumping hand control switch starts the oil pumping process, and when the oil was evacuated, it can to close oil pumping hand control switch.
Peep the mirror 11 and be located 1 positive centre in the middle of the waste oil tank, peep the mirror 11 and include toughened glass 16, sealed pad 17 and flange, toughened glass 16 is sealed fixed through flange, sealed pad 17 and waste oil tank 1 to do benefit to and guarantee security and leakproofness, convenient the height of observing the liquid level directly perceived at any time simultaneously.
As the attached drawing, when the utility model is used, when the oil in the waste oil tank reaches a high liquid level, the output signal of the high liquid level sensor passes through the control system, the control system can be a vehicle-mounted control system or a PLC control system, a circuit switch is switched on, a buzzer and an indicator lamp send out sound and light alarm, simultaneously, the gas-electricity conversion valve is switched on, the air pressure in the air source enters the gas-electricity control reversing valve through a shuttle valve to push the gas-electricity control reversing valve to reverse, hydraulic pressure oil passes through and enters a hydraulic motor, the hydraulic pressure oil drives the hydraulic motor to rotate and drive an oil pump, the oil in the waste oil tank is pumped into an oil recovery tank, in the oil pumping process, the liquid level of the oil in the waste oil tank slowly drops, when the liquid level drops to a low liquid level, the output signal of the low liquid level sensor passes through the control system, the circuit switch is switched off, at the moment, the oil pumping device returns under the action of the spring, the air pressure of an air source is cut off by the gas-electric conversion valve, the pneumatic control reversing valve returns under the action of the spring, a hydraulic pressure oil way is cut off, the hydraulic motor and the oil well pump stop rotating, and the oil well pump stops; because the manual pneumatic control switch of oil pumping is connected with the air source and the shuttle valve after being connected in parallel with the pneumatic-electric switching valve, when manual emergency oil pumping is needed, the liquid level of oil in the waste oil tank is observed through a sight glass, the manual pneumatic control switch of oil pumping is pulled for reversing, at the moment, air pressure in the air source enters the pneumatic control reversing valve through the manual pneumatic control switch of oil pumping and the shuttle valve, the pneumatic control reversing valve is reversed, hydraulic pressure oil enters a hydraulic motor through the pneumatic control reversing valve, the hydraulic pressure oil drives the hydraulic motor and the oil pump to rotate, oil in the waste oil tank is extracted, after the situation that the oil in the waste oil tank is pumped out is observed, the manual pneumatic control switch of oil pumping is pulled for returning, the oil pumping is stopped, and the extracted oil enters an oil recovery tank for subsequent recovery, the pneumatic-electric switching valve, the shuttle valve, the pneumatic-electric control; the utility model discloses set up one set of oil pumping controlling means on current waste oil tank, have following advantage: firstly, before the oil level of the waste oil tank is over full, an operator can be reminded through sound and light alarm and an automatic oil pumping process is started, the alarm and oil pumping action are automatically stopped when the oil level is low, the oil is prevented from overflowing from the waste oil tank, the environment is not polluted, the potential safety hazard is prevented, the operation is convenient, the time and the labor are saved, and the labor intensity of the operator is reduced to a certain extent; secondly, the safety of airplane refueling truck equipment is improved by adopting a magnetic-electric gas control and pneumatic hydraulic control mode; and thirdly, a manual air control switch for pumping oil is arranged, so that manual oil pumping can be conveniently adopted under the emergency condition, the operation is convenient, and the labor intensity is low.
The utility model discloses owing to adopt above-mentioned structure, have easy operation, adjust convenient, low in labor strength, can in time safe efficient take out advantages such as unnecessary oil in the waste oil tank.
Claims (3)
1. The utility model provides an aircraft tank truck waste oil case oil pumping controlling means, includes control system, waste oil case and hydraulic system, hydraulic system includes air supply, hydraulic line, hydraulic motor and oil-well pump, its characterized in that: is provided with a pneumatic-electric conversion valve, a pneumatic control reversing valve, a circuit switch and an oil recovery tank, wherein the waste oil tank is provided with an indicator light and a buzzer, a high liquid level sensor is arranged at the upper end in the waste oil tank, a low liquid level sensor is arranged at the lower end in the waste oil tank, the high liquid level sensor and the low liquid level sensor are respectively connected with the control system, one end of the buzzer is connected with the circuit switch and then connected with the anode of the power supply, the other end is connected with the cathode of the power supply, the indicator light is connected with the buzzer in parallel, a coil of the gas-electric conversion valve is connected with a power supply through a circuit switch, the circuit switch is connected with the control system, the gas path interface of the gas-electricity conversion valve is respectively connected with a gas source and a gas-control reversing valve, the gas-control reversing valve is connected with the hydraulic motor, the hydraulic motor drives the oil well pump, one end of the oil well pump is connected with the waste oil tank, and the other end of the oil well pump is connected with the oil recovery tank.
2. The oil pumping control device for the waste oil tank of the aircraft fuelling vehicle as claimed in claim 1, wherein: the system is characterized in that a peep mirror is arranged on the outer wall of the waste oil tank, an oil pumping manual control switch is arranged on the waste oil tank, a shuttle valve is arranged between the gas-electric conversion valve and the pneumatic control reversing valve, one end of the oil pumping manual control switch is connected with an air source, the other end of the oil pumping manual control switch is connected with the shuttle valve, one end of the gas-electric conversion valve is connected with the air source, the other end of the gas-electric conversion valve is connected with the shuttle valve, and.
3. The oil pumping control device for the waste oil tank of the aircraft fuelling vehicle as claimed in claim 2, wherein: the peep hole is located in the middle of the front face of the waste oil tank and comprises toughened glass, a sealing gasket and a flange, and the toughened glass is sealed and fixed with the waste oil tank through the flange and the sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803216.XU CN210068450U (en) | 2019-05-30 | 2019-05-30 | Waste oil tank oil pumping control device of aircraft fuelling vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920803216.XU CN210068450U (en) | 2019-05-30 | 2019-05-30 | Waste oil tank oil pumping control device of aircraft fuelling vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210068450U true CN210068450U (en) | 2020-02-14 |
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ID=69455399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920803216.XU Active CN210068450U (en) | 2019-05-30 | 2019-05-30 | Waste oil tank oil pumping control device of aircraft fuelling vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210068450U (en) |
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2019
- 2019-05-30 CN CN201920803216.XU patent/CN210068450U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: 264200 No. 93, Huihe Road, Yangting Town, Huancui District, Weihai City, Shandong Province Patentee after: WEIHAI GUANGTAI SPECIAL VEHICLE Co.,Ltd. Address before: 264200, No. 160 Gu Zhai South Road, Huancui District, Shandong, Weihai Patentee before: WEIHAI GUANGTAI AIRPORT EQUIPMENT Co.,Ltd. |