CN217381120U

CN217381120U - Fuel oil calibration system

Info

Publication number: CN217381120U
Application number: CN202220148707.7U
Authority: CN
Inventors: 刘立强; 谢久东
Original assignee: Fengyuan Liaoning High End Equipment Manufacturing Industry Co ltd
Current assignee: Fengyuan Liaoning High End Equipment Manufacturing Industry Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-09-06
Anticipated expiration: 2032-01-20

Abstract

The utility model relates to a fuel calibration system technical field just discloses a fuel calibration system, which comprises a carriage body, the bottom of automobile body is provided with the caster the inside of automobile body is provided with hydraulic system and electrical system, hydraulic system is including washing circulation module, manual pressure boost module and oil tank module. This fuel calibration system, through stainless steel oil tank, the low pressure ball valve, explosion-proof level sensor, first explosion-proof pressure sensor, explosion-proof temperature sensor, air cleaner, level sensor, the plunger pump, the bell jar shaft coupling, explosion-proof inverter motor, the shock pad, high pressure filter oil is strained, low pressure filter oil is strained, explosion-proof air cooler, mutually support between overflow valve and the manual pump, the effect of accurate control suppressing the pressure of the timing fuel oil system pressure value has been reached, it can along with the time increase that uses and wear to have solved current power take off pump, thereby lead to the maximum output pressure to reduce gradually, be difficult to guarantee the problem of pressure stability output.

Description

Fuel oil calibration system

Technical Field

The utility model relates to a fuel calibration system technical field specifically is a fuel calibration system.

Background

The fuel calibration system is mainly used for adjusting the tail nozzle of the aircraft engine, the adjusting system needs a clean and stable fuel system, elements which can be bought in the market have the highest output pressure of 31.5Mpa and can not reach the 35Mpa pressure required by the system far away, and the existing power output hydraulic pump is worn along with the increase of the using time due to the particularity of media, so that the highest output pressure is gradually reduced, and the stable output pressure of the highest pressure of 35Mpa is difficult to meet gradually.

Therefore, a new fuel calibration system needs to be designed to solve the above-mentioned problems. Through the construction of the system, corresponding system requirements can be completed, corresponding high-parameter requirements are met, the system is ahead of the existing market, the working conditions which cannot be completed by the current elements are completed through the existing means, and the system has certain innovation significance

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a fuel calibration system possesses accurate control and suppresses the advantage of calibration time fuel oil system pressure value, has solved current power take off pump and can increase and wear and tear along with the time of using to lead to the highest output pressure to reduce gradually, be difficult to the problem of assurance pressure stability output.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a fuel calibration system comprises a vehicle body, wherein the bottom of the vehicle body is provided with a movable caster, a hydraulic system and an electric system are arranged in the vehicle body, the hydraulic system comprises a flushing circulation module, a manual pressurization module and an oil tank module, wherein the oil tank module comprises a stainless steel oil tank, a low-pressure ball valve, an explosion-proof liquid level sensor, a first explosion-proof pressure sensor, an air filter and a liquid level sensor, the flushing circulation module comprises a plunger pump, an explosion-proof variable frequency motor, a high-pressure filter oil filter, a low-pressure filter oil filter, an explosion-proof air cooler, an overflow valve, a pressure gauge, an explosion-proof temperature sensor, a first check valve, a first explosion-proof electromagnetic valve, a second explosion-proof electromagnetic valve and a needle valve, the electric system comprises an explosion-proof proportional valve, a hydraulic control valve, a second one-way valve, a supercharger, a hydraulic control one-way valve, a second explosion-proof pressure sensor, a third explosion-proof electromagnetic valve and a manual pump.

Preferably, the low-pressure ball valve is located the bottom of stainless steel oil tank, has played the effect of being convenient for put clean incasement medium, avoids having the medium in the oil tank to remain, explosion-proof level sensor, first explosion-proof pressure sensor and air cleaner all are located the top of stainless steel oil tank.

Preferably, the plunger pump is connected with the explosion-proof variable frequency motor through the bell-shaped cover coupler, the bottom of the explosion-proof variable frequency motor is provided with a shock pad, the shock pad can effectively reduce the shock of the motor during operation, and the influence of the shock of the motor on surrounding equipment is reduced.

Preferably, the stainless steel oil tank is connected with the explosion-proof air cooler through the low-pressure filter oil filter, the stainless steel oil tank is connected with the plunger pump through a valve, the explosion-proof air cooler is connected with the first check valve through an overflow valve, the pressure gauge and the explosion-proof temperature sensor are located between the overflow valve and the first check valve, the plunger pump is connected with the first check valve through the high-pressure filter oil filter, the explosion-proof air cooler is connected with the second explosion-proof electromagnetic valve, and the needle valve is connected with the second explosion-proof electromagnetic valve.

Preferably, the explosion-proof solenoid valve of third passes through the liquid accuse check valve and is connected with the explosion-proof pressure sensor of second, the needle valve is connected with the explosion-proof solenoid valve of third, the needle valve passes through explosion-proof proportional valve and is connected with the booster, the needle valve passes through the liquid accuse valve and is connected with the booster, the booster is connected with manual pump.

Preferably, the joint of the explosion-proof temperature sensor, the pressure gauge and the second explosion-proof pressure sensor is provided with a pressure measuring flexible wire and a pressure measuring joint.

Compared with the prior art, the utility model provides a fuel calibration system possesses following beneficial effect:

the fuel oil calibration system achieves the effect of accurately controlling the pressure value of a fuel oil system during pressurization calibration through the mutual matching of a stainless steel oil tank, a low-pressure ball valve, an explosion-proof liquid level sensor, a first explosion-proof pressure sensor, an explosion-proof temperature sensor, an air filter, a liquid level sensor, a plunger pump, a bell jar coupling, an explosion-proof variable frequency motor, a shock pad, a high-pressure filter oil filter, a low-pressure filter oil filter, an explosion-proof air cooler, an overflow valve, a pressure measuring joint, a pressure measuring flexible wire, a pressure gauge, a first check valve, a first explosion-proof electromagnetic valve, a second explosion-proof electromagnetic valve, a needle valve, an explosion-proof proportional valve, a hydraulic control valve, a second check valve, a supercharger, a hydraulic control check valve, a second explosion-proof pressure sensor, a third explosion-proof electromagnetic valve and a manual pump, solves the problem that the existing power output pump is worn along with the increase of the use time, so that the highest output pressure is gradually reduced, the stable output of the pressure is difficult to ensure.

Drawings

FIG. 1 is a hydraulic schematic diagram of the present invention;

FIG. 2 is a front view of the vehicle body of the present invention;

fig. 3 is a top view of the vehicle body of the present invention.

Wherein: 1. a stainless steel oil tank; 2. a low pressure ball valve; 3. an explosion-proof liquid level sensor; 4. a first explosion-proof pressure sensor; 5. an explosion-proof temperature sensor; 6. an air cleaner; 7. a liquid level sensor; 8. a plunger pump; 9. a bell jar coupling; 10. an explosion-proof variable frequency motor; 11. a shock pad; 12. oil filtering of a high-pressure filter; 13. oil filtering of a low-pressure filter; 14. an explosion-proof air cooler; 15. an overflow valve; 16. a pressure measuring joint; 17. a pressure measuring flexible wire; 18. a pressure gauge; 19. a first check valve; 20. a first explosion-proof solenoid valve; 21. a second explosion-proof solenoid valve; 22. a needle valve; 23. an explosion-proof proportional valve; 24. a hydraulic control valve; 25. a second check valve; 26. a supercharger; 27. a hydraulic control check valve; 28. a second explosion-proof pressure sensor; 29. a third explosion prevention electromagnetic valve; 30. a manual pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a fuel calibration system comprises a vehicle body, a movable caster is arranged at the bottom of the vehicle body, the movable caster has better bearing capacity and walking shock absorption capacity, the vehicle body appearance design is smaller than the maximum appearance size requirement, each component is more finely arranged, the man-machine function principle in the operation process is considered, the operation is more convenient, the system adopts a modular design, the electrical and mechanical parts are independent and do not interfere with each other, the electrical interfaces are unified, the interior is converted into a navigation plug-in unit, the maintenance and the replacement are more convenient, the environment is considered to be wide in the system operation process, the system performs corresponding temperature protection, the long-time operation process of the system is ensured, other adverse consequences cannot be generated, the continuous operation is stable and reliable, the system is more durable, a traction device is additionally arranged on the side surface of the vehicle body so as to facilitate the dragging under special conditions, a hydraulic system and an electrical system are arranged in the vehicle body, the fuel calibration system is composed of a hydraulic system and an electrical system, wherein the hydraulic system mainly completes hardware construction work of corresponding pressure flow, a hydraulic element meeting use requirements is selected for design and processing, corresponding system functions are completed, the electrical system mainly controls calculation and acquisition work of corresponding data in the operation process of the system, the logical operation state and the acquisition function of the system are controlled in the operation process, corresponding arrangement and table drawing work is performed on process data in the whole process, and corresponding data metering work is completed.

The hydraulic system comprises a flushing circulation module, a manual pressurization module and an oil tank module, wherein the oil tank module comprises a stainless steel oil tank 1, a low-pressure ball valve 2, an explosion-proof liquid level sensor 3, a first explosion-proof pressure sensor 4, an air filter 6 and a liquid level sensor 7, the low-pressure ball valve 2 is positioned at the bottom of the stainless steel oil tank 1, the explosion-proof liquid level sensor 3, the first explosion-proof pressure sensor 4 and the air filter 6 are all positioned at the top of the stainless steel oil tank 1, the flushing circulation module comprises a plunger pump 8, an explosion-proof variable frequency motor 10, a high-pressure filter oil filter 12, a low-pressure filter oil filter 13, an explosion-proof air cooler 14, an overflow valve 15, a pressure gauge 18, an explosion-proof temperature sensor 5, a first check valve 19, a first explosion-proof electromagnetic valve 20, a second explosion-proof electromagnetic valve 21 and a needle valve 22, the plunger pump 8 is connected with the explosion-proof variable frequency motor 10 through a bell-shaped coupling 9, and a shock pad 11 is arranged at the bottom of the explosion-proof variable frequency motor 10, stainless steel oil tank 1 is connected with explosion-proof air cooler 14 through low pressure filter oil filter 13, and stainless steel oil tank 1 is connected with plunger pump 8 through the valve, and plunger pump 8's quantity is total two, and by explosion-proof variable frequency motor drive operation, explosion-proof air cooler 14 is connected with first check valve 19 through overflow valve 15, and manometer 18 and explosion-proof temperature sensor 5 are located between overflow valve 15 and first check valve 19.

The plunger pump 8 is connected with the first one-way valve 19 through the high-pressure filter oil filter 12, the number of the high-pressure filter oil filter 12 and the number of the first one-way valves 19 are two, each plunger pump 8 is provided with an independent high-pressure filter oil filter 12 and a first one-way valve 19 corresponding to the same, a first explosion-proof electromagnetic valve 20 is arranged between the two first one-way valves 19, the explosion-proof air cooler 14 is connected with a second explosion-proof electromagnetic valve 21, the needle valve 22 is connected with the second explosion-proof electromagnetic valve 21, an electric system comprises an explosion-proof proportional valve 23, a hydraulic control valve 24, a second one-way valve 25, a supercharger 26, a hydraulic control one-way valve 27, a second explosion-proof pressure sensor 28, a third explosion-proof electromagnetic valve 29 and a manual pump 30, all the components and the equipment are connected through connecting pipes, the third explosion-proof electromagnetic valve 29 is connected with the second explosion-proof pressure sensor 28 through the hydraulic control one-way valve 27, the needle valve 22 is connected with the third explosion-proof electromagnetic valve 29, the needle valve 22 is connected with the pressure booster 26 through the explosion-proof proportional valve 23, the needle valve 22 is connected with the pressure booster 26 through the hydraulic control valve 24, the pressure booster 26 is connected with the manual pump 30, pressure measuring flexible wires 17 and pressure measuring connectors 16 are arranged at the interfaces of the explosion-proof temperature sensor 5, the pressure gauge 18 and the second explosion-proof pressure sensor 28, and the pressure measuring flexible wires 17 are connected with a connecting pipe through the pressure measuring connectors 16.

The output pump in the system is a series high-pressure pump, the single output flow is 26L/min, the maximum output flow of the system is 52L/min to more than 40L/min, the use requirement of the system is met, the system can realize the purification function of oil through starting self-circulation, three-way filtration is used in the system, two high-pressure filter oil filters 12 are arranged at the outlet of an oil supply pump, a low-pressure filter oil filter 13 is used at an oil return pipeline, the cleanliness grade requirement of the system on the oil is met through the self-circulation function, the pressure setting of the system is carried out at the output end of the pump through a direct-acting overflow valve, the set pressure is 10Mpa, the action of the oil cylinder is controlled through a second explosion-proof electromagnetic valve 21, the system requirement is met, the high-pressure output is carried out through a pressurization mode, the pressurization oil cylinder is logically controlled through an explosion-proof proportional valve 23, and different pressure requirements in the pressurization process are controlled, maximum pressure boost output pressure is not less than 35Mpa, the pressure boost amplitude of pressure boost in-process can be controlled indirectly through the opening degree of control explosion-proof proportional valve 23, control is more accurate, the system dispels the heat through the forced air cooling, guarantee the medium temperature in the system, the system can run for a long time, use the rolling disc ware in the system, conveniently receive and release hydraulic hose and cable, the space is little, convenient and fast, increase manual pump 30 in the system and carry out pressure micro-adjustment, manual pump 30 discharge capacity is 4mL, it is accurate to adjust, the manual pump can use less power to accomplish corresponding pressure boost work under the condition of high pressure, and because manual pump 30 is as the auxiliary function of pressure precise adjustment, do not need great discharge capacity to carry out fluid to fill.

The system merges the output quantities of the two pump groups through the one-way valve, when the operating pressure of the system reaches a set value of 10Mpa, the anti-explosion proportional valve 23 is controlled to supplement oil to the pressure cylinder, the system pressure directly acts on the hydraulic control valve 24 at the moment, the system pressure directly presses the oil into the cavity of the tested piece to quickly reach 10Mpa, then the booster 26 starts to work by controlling the reversing action of the anti-explosion proportional valve, the boosting ratio is 1:4, the maximum output pressure is 40Mpa, the use requirement of the system is met, the maximum output pressure of the manual pump 30 is 60Mpa, and when the unloading is required in the test, the third anti-explosion electromagnetic valve 29 is controlled, the hydraulic control one-way valve 27 is opened, and the unloading is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fuel calibration system, includes the automobile body, the bottom of automobile body is provided with the truckle that removes, its characterized in that: the inside of automobile body is provided with hydraulic system and electrical system, hydraulic system is including washing circulation module, manual pressure boost module and oil tank module, the oil tank module includes stainless steel oil tank (1), low pressure ball valve (2), explosion-proof level sensor (3), first explosion-proof pressure sensor (4), air cleaner (6) and level sensor (7), it includes plunger pump (8), explosion-proof inverter motor (10), high pressure filter oil filter (12), low pressure filter oil filter (13), explosion-proof air cooler (14), overflow valve (15), manometer (18), explosion-proof temperature sensor (5), first check valve (19), first explosion-proof solenoid valve (20), second explosion-proof solenoid valve (21) and needle valve (22) to wash circulation module, electrical system includes explosion-proof proportional valve (23), pilot operated valve (24), The device comprises a second one-way valve (25), a supercharger (26), a hydraulic control one-way valve (27), a second explosion-proof pressure sensor (28), a third explosion-proof electromagnetic valve (29) and a manual pump (30).

2. A fuel calibration system according to claim 1, wherein: the low-pressure ball valve (2) is located at the bottom of the stainless steel oil tank (1), and the explosion-proof liquid level sensor (3), the first explosion-proof pressure sensor (4) and the air filter (6) are located at the top of the stainless steel oil tank (1).

3. A fuel calibration system according to claim 1, wherein: the plunger pump (8) is connected with the explosion-proof variable frequency motor (10) through a bell-shaped cover coupler (9), and a shock pad (11) is arranged at the bottom of the explosion-proof variable frequency motor (10).

4. A fuel calibration system according to claim 1, wherein: stainless steel oil tank (1) is strained (13) through low pressure filter oil and is connected with explosion-proof air cooler (14), stainless steel oil tank (1) is connected with plunger pump (8) through the valve, explosion-proof air cooler (14) are connected with first check valve (19) through overflow valve (15), manometer (18) and explosion-proof temperature sensor (5) are located between overflow valve (15) and first check valve (19), plunger pump (8) are strained (12) through high pressure filter oil and are connected with first check valve (19), explosion-proof air cooler (14) are connected with second explosion-proof solenoid valve (21), needle valve (22) are connected with second explosion-proof solenoid valve (21).

5. A fuel calibration system according to claim 1, wherein: the third explosion-proof solenoid valve (29) is connected with the explosion-proof pressure sensor of second (28) through pilot operated check valve (27), needle valve (22) are connected with third explosion-proof solenoid valve (29), needle valve (22) are connected with booster (26) through explosion-proof proportional valve (23), needle valve (22) are connected with booster (26) through pilot operated valve (24), booster (26) are connected with manual pump (30).

6. A fuel calibration system according to claim 1, wherein: and the joint of the explosion-proof temperature sensor (5), the pressure gauge (18) and the second explosion-proof pressure sensor (28) is provided with a pressure measuring flexible wire (17) and a pressure measuring joint (16).