CN109538546B - Airborne negative-load hydraulic supercharging equipment - Google Patents
Airborne negative-load hydraulic supercharging equipment Download PDFInfo
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- CN109538546B CN109538546B CN201811342242.3A CN201811342242A CN109538546B CN 109538546 B CN109538546 B CN 109538546B CN 201811342242 A CN201811342242 A CN 201811342242A CN 109538546 B CN109538546 B CN 109538546B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention relates to an airborne negative-load hydraulic supercharging device which comprises a hydraulic oil tank (1), a first valve (2), a hand-operated piston pump (3), a pressure gauge (4), a second valve (5), a high-pressure oil filter (6) and a third valve (7); hydraulic oil enters a pressurizing pipeline from a first valve (2) through the pumping action of a hand piston pump (3) in a hydraulic oil tank (1), passes through a pressure gauge (4) and a second valve (5), and enters a hydraulic load system of the airplane through a third valve (7) under the filtering action of a high-pressure oil filter (6). The equipment of the invention completely adopts a mechanical element structure, the working principle is simple, and the performance is reliable; the whole equipment has small volume and light weight, and is convenient to carry and use on the machine; based on the incompressibility of liquid, the mechanical structure is adopted for oil pumping, oil supplementing and pressing, the pressing efficiency is high, and the pressing task can be easily completed.
Description
Technical Field
The invention belongs to the technical field of aircraft hydraulic load systems, and particularly relates to an airborne load-carrying hydraulic supercharging device.
Background
The hydraulic load system of the airplane is test equipment used for leading a tested engine to test flight, and is used for extracting mechanical power when the tested engine drives a hydraulic pump to work and verifying the working performance of the engine when the tested engine outputs the hydraulic mechanical power. The hydraulic load system is one of the key systems for the airplane to complete the preset functions, and plays an important role in the flight safety of the airplane.
The hydraulic loading system of the aircraft performs the required task under the condition of rated pressure, and because the hydraulic loading system works under the condition of internal high pressure, the system pressure has an inevitable degree of reduction after a period of time passes because of inevitable gaps of mechanical component connection. In order to meet the normal operation of the hydraulic load system, the hydraulic load system needs to be pressurized and supplemented with oil.
The hydraulic oil vehicle is generally adopted to pressurize the hydraulic oil vehicle, and the hydraulic oil vehicle is large in size, complex in pipeline connection and required to be reserved in advance, so that the hydraulic oil vehicle is low in efficiency and difficult to operate, and inconvenience is caused in the whole test flight process.
Disclosure of Invention
The purpose of the invention is: the portable special equipment is provided to solve the technical problems that the existing large hydraulic oil vehicle is large in size, complex in pipeline connection and incapable of meeting the task requirements of pressurization, oil supplement, oil pumping and the like of an airplane hydraulic load system under the condition of small flow.
In order to solve the technical problem, the technical scheme of the invention is as follows: the onboard load hydraulic pressurization equipment comprises a hydraulic oil tank 1, a first valve 2, a hand-operated piston pump 3, a pressure gauge 4, a second valve 5, a high-pressure oil filter 6 and a third valve 7; one end of the onboard load hydraulic supercharging equipment is connected with an airplane hydraulic load system, and a third valve 7, a high-pressure oil filter 6, a second valve 5, a pressure gauge 4 and a hand-operated piston pump 3 are sequentially connected from the end connected with the airplane hydraulic load system through an oil supply pipeline; one end of the first valve 2 is connected with the hydraulic oil tank 1, and the other end is connected between the second valve 5 and the hand piston pump 3.
The hand-operated piston pump 3 has the functions of pumping and pressurizing:
when the first valve 2 is opened and the second valve 5 is closed, the hand-operated piston pump 3 rotates anticlockwise, and hydraulic oil in the hydraulic oil tank 1 enters the hand-operated piston pump 3;
when the first valve 2 is closed, the second valve 5 is opened and the third valve 7 is opened, the hand piston pump 3 rotates clockwise, and hydraulic oil in the hand piston pump 3 enters an airplane hydraulic load system through the high-pressure oil filter 6.
The invention adopts a technical scheme that: one end of the first valve 2 is connected with the hydraulic oil tank 1, and the other end of the first valve is connected between the second valve 5 and the pressure gauge 4.
The other technical scheme of the invention is as follows: one end of the first valve 2 is connected with the hydraulic oil tank 1, and the other end is connected between the pressure gauge 4 and the hand piston pump 3.
Hydraulic oil enters a pressurizing pipeline from a first valve 2 through the pumping action of a hand piston pump 3 in a hydraulic oil tank 1, passes through a pressure gauge 4 and a second valve 5, and enters a hydraulic load system of an airplane through a third valve 7 under the filtering action of a high-pressure oil filter 6.
Wherein, hydraulic oil tank 1 is arranged in adding and the storage of hydraulic oil, and first valve 2 control hydraulic oil enters into the equipment pipeline of suppressing, and hand piston pump 3 provides the power supply for whole equipment of suppressing, and the pressure in the whole equipment pipeline of suppressing of manometer 4 real-time measurement, and second valve 5 is used for controlling whether the hydraulic oil of oil filter department flows back, and high-pressure oil is strained 6 and is used for filtering the hydraulic oil that gets into aircraft hydraulic load system, and 7 on-off control hydraulic oil of third valve gets into aircraft hydraulic load system.
The invention has the technical effects that:
the device completely adopts a mechanical element structure, the working principle is simple, and the performance is reliable; the whole equipment has small volume and light weight, and is convenient to carry and use on the machine; based on the incompressibility of liquid, the mechanical structure is adopted for oil pumping, oil supplementing and pressing, the pressing efficiency is high, and the pressing task can be easily completed.
Drawings
FIG. 1 is a schematic diagram of an onboard hydraulic load boosting apparatus;
fig. 2 is a schematic diagram of another implementation of the onboard hydraulic load boosting device.
Detailed Description
The specific structure and working process of the onboard load hydraulic supercharging device of the present invention are described below with reference to the accompanying drawings:
the airborne load hydraulic supercharging equipment comprises a hydraulic oil tank 1, a first valve 2, a hand-operated piston pump 3, a pressure gauge 4, a second valve 5, a high-pressure oil filter 6 and a third valve 7; one end of the onboard load hydraulic supercharging equipment is connected with an airplane hydraulic system, and a third valve 7, a high-pressure oil filter 6, a second valve 5, a pressure gauge 4 and a hand-operated piston pump 3 are sequentially connected from the end connected with the airplane hydraulic system through an oil supply pipeline; one end of the first valve 2 is connected with the hydraulic oil tank 1, and the other end is connected between the second valve 5 and the hand piston pump 3.
Taking a certain type of transport airplane as an example, the working process of the airborne load hydraulic supercharging equipment is described, and the specific steps are as follows:
referring to fig. 1, when oil is replenished to the hydraulic load system of the aircraft, the second valve 5 is firstly closed, the first valve 2 is opened, the hand-operated piston pump 3 is shaken anticlockwise to enable hydraulic oil in the hydraulic oil tank 1 to enter the piston pump body, when the pump body is full of hydraulic oil, the first valve 2 is closed, the second valve 5 and the third valve 7 are opened, the hand-operated piston pump 3 is shaken clockwise to filter the hydraulic oil passing through the high-pressure oil filter 6 by utilizing the incompressibility of liquid, and then the hydraulic oil enters the hydraulic load system of the aircraft, so that the oil can be replenished to the hydraulic load system of the aircraft.
When oil is pumped for the aircraft hydraulic system, the first valve 2 is firstly closed, the second valve 5 and the third valve 7 are opened, the hand-operated piston pump 3 is shaken anticlockwise, high-pressure oil in the aircraft hydraulic load system enters the piston pump body through the third valve 7, the high-pressure oil filter 6 and the second valve 5 under the suction effect, when the pump body is full of hydraulic oil, the second valve 5 is closed, the first valve 2 is opened, the hand-operated piston pump 3 is shaken clockwise, so that the hydraulic oil in the piston pump body enters the hydraulic oil tank 1, and the oil pumping work of the aircraft hydraulic load system is completed.
When the airplane hydraulic system is pressurized, the second valve 5 is closed, the first valve 2 is opened, the hand-operated piston pump 3 is shaken anticlockwise, hydraulic oil in the hydraulic oil tank 1 enters a piston pump body, the first valve 2 is closed after the hydraulic oil in the pump body is full, the hand-operated piston pump 3 is shaken clockwise, when the pressure in the pressure gauge 4 is larger than the pressure in the airplane hydraulic load system, the second valve 5 is opened, the hand-operated piston pump 3 is shaken clockwise continuously, high-pressure oil is in a hydraulic oil pipeline at the moment, the high-pressure hydraulic oil filtered by the high-pressure oil filter 6 is injected into the airplane hydraulic load system, and the pressurization work of the airplane hydraulic load system is realized.
In the technical scheme of the invention, the pressure gauge 4 only needs to be connected between the hand piston pump 3 and the second valve 5, and as shown in fig. 2, another implementation manner of the technical scheme of the invention is provided.
Claims (4)
1. The utility model provides an on-vehicle load carrier liquid pressure supercharging equipment which characterized in that: the onboard load hydraulic supercharging equipment comprises a hydraulic oil tank (1), a first valve (2), a hand-operated piston pump (3), a pressure gauge (4), a second valve (5), a high-pressure oil filter (6) and a third valve (7); one end of the airborne load hydraulic pressurization equipment is connected with an airplane hydraulic load system, and a third valve (7), a high-pressure oil filter (6), a second valve (5), a pressure gauge (4) and a hand-operated piston pump (3) are sequentially connected from the end connected with the airplane hydraulic load system through an oil supply pipeline; one end of the first valve (2) is connected with the hydraulic oil tank (1), and the other end of the first valve is connected with a pipeline between the second valve (5) and the hand-operated piston pump (3).
2. The on-board load hydraulic supercharging device according to claim 1, characterized in that: one end of the first valve (2) is connected with the hydraulic oil tank (1), and the other end of the first valve is connected between the second valve (5) and the pressure gauge (4).
3. The on-board load hydraulic supercharging device according to claim 1, characterized in that: one end of the first valve (2) is connected with the hydraulic oil tank (1), and the other end of the first valve is connected between the pressure gauge (4) and the hand-operated piston pump (3).
4. The on-board load hydraulic supercharging device according to claim 2 or 3, characterized in that: the hand-operated piston pump (3) has the functions of suction and pressurization:
when the first valve (2) is opened and the second valve (5) is closed, the hand-operated piston pump (3) rotates anticlockwise, and hydraulic oil in the hydraulic oil tank (1) enters the hand-operated piston pump (3);
when the first valve (2) is closed, the second valve (5) is opened and the third valve (7) is opened, the hand-operated piston pump (3) rotates clockwise, and hydraulic oil in the hand-operated piston pump (3) enters an airplane hydraulic load system through the high-pressure oil filter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342242.3A CN109538546B (en) | 2018-11-12 | 2018-11-12 | Airborne negative-load hydraulic supercharging equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811342242.3A CN109538546B (en) | 2018-11-12 | 2018-11-12 | Airborne negative-load hydraulic supercharging equipment |
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| Publication Number | Publication Date |
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| CN109538546A CN109538546A (en) | 2019-03-29 |
| CN109538546B true CN109538546B (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811342242.3A Active CN109538546B (en) | 2018-11-12 | 2018-11-12 | Airborne negative-load hydraulic supercharging equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110953196A (en) * | 2019-11-08 | 2020-04-03 | 海德利森(天津)检测设备有限公司 | Small-sized high-purity gas electric supercharging equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11182503A (en) * | 1997-12-18 | 1999-07-06 | Kyoei Process Kk | Synchronously actuating mechanism of plural hydraulic cylinders |
| CN200964977Y (en) * | 2006-11-10 | 2007-10-24 | 山西太钢不锈钢股份有限公司 | Hydraulic spare parts pressurization station |
| CN102011766A (en) * | 2010-11-15 | 2011-04-13 | 陕西飞机工业（集团）有限公司 | Pressure-resistance and adjustment test bed for aircraft hydraulic system |
| CN201925251U (en) * | 2011-01-20 | 2011-08-10 | 方莹 | Hydraulic rescuing system and hydraulic pressurizing device thereof |
| CN202038856U (en) * | 2011-04-11 | 2011-11-16 | 新乡平原航空技术工程有限公司 | Multifunctional hydraulic oil vehicle |
| CN103174687A (en) * | 2013-03-25 | 2013-06-26 | 王文雯 | Pressurized and energy storing type energy-saving hydraulic pumping unit |
| CN103899598A (en) * | 2014-03-25 | 2014-07-02 | 东南大学 | Manual emergency unlocking device and method for internal-expansion locking cylinder |
| CN205656005U (en) * | 2015-11-26 | 2016-10-19 | 中国飞行试验研究院 | Flight platform hydraulic loading system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8578713B2 (en) * | 2010-07-22 | 2013-11-12 | Maradyne Corporation | Hydraulic soft start system |
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2018
- 2018-11-12 CN CN201811342242.3A patent/CN109538546B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11182503A (en) * | 1997-12-18 | 1999-07-06 | Kyoei Process Kk | Synchronously actuating mechanism of plural hydraulic cylinders |
| CN200964977Y (en) * | 2006-11-10 | 2007-10-24 | 山西太钢不锈钢股份有限公司 | Hydraulic spare parts pressurization station |
| CN102011766A (en) * | 2010-11-15 | 2011-04-13 | 陕西飞机工业（集团）有限公司 | Pressure-resistance and adjustment test bed for aircraft hydraulic system |
| CN201925251U (en) * | 2011-01-20 | 2011-08-10 | 方莹 | Hydraulic rescuing system and hydraulic pressurizing device thereof |
| CN202038856U (en) * | 2011-04-11 | 2011-11-16 | 新乡平原航空技术工程有限公司 | Multifunctional hydraulic oil vehicle |
| CN103174687A (en) * | 2013-03-25 | 2013-06-26 | 王文雯 | Pressurized and energy storing type energy-saving hydraulic pumping unit |
| CN103899598A (en) * | 2014-03-25 | 2014-07-02 | 东南大学 | Manual emergency unlocking device and method for internal-expansion locking cylinder |
| CN205656005U (en) * | 2015-11-26 | 2016-10-19 | 中国飞行试验研究院 | Flight platform hydraulic loading system |
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| CN109538546A (en) | 2019-03-29 |
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