CN1085176A - Ground cleaning and testing vehicle for plane hydraulic system - Google Patents
Ground cleaning and testing vehicle for plane hydraulic system Download PDFInfo
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- CN1085176A CN1085176A CN92111930A CN92111930A CN1085176A CN 1085176 A CN1085176 A CN 1085176A CN 92111930 A CN92111930 A CN 92111930A CN 92111930 A CN92111930 A CN 92111930A CN 1085176 A CN1085176 A CN 1085176A
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- chassis
- car body
- pressure
- spring
- cleaning
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Abstract
A kind of ground cleaning and testing vehicle for plane hydraulic system, form by car body and the power supplying apparatus that is installed on the car body, car body comprises chassis, coaming plate, loam cake and wheel, power supplying apparatus comprises electric system, hydraulic efficiency pressure system and pressure system, and electric system adopts computing machine, frequency control and totally digitilized instrument structure that hydraulic efficiency pressure system and pressure system are carried out servocontrol at random.This car 24 hours oily temperature of operation continuously is no more than 45 ℃, and is not only energy-conservation but also improved the life-span effectively; Easy and simple to handle during use, only need button commander operation, and can realize wired unicontrol of 50 meters distances.
Description
The invention belongs to assembling, maintenance, docking facility that aircraft floor is used, relate to a kind of plane hydraulic system cleaning and testing vehicle.
Existing plane hydraulic system cleaning and testing vehicle is made up of car body and power supplying apparatus.The car body volume is big and heavy; The electric system of power supplying apparatus is adjusted the rotating speed of oil pump in its hydraulic efficiency pressure system and is not provided with damper mechanism by gear drive, the whole operation process is realized by mode manually entirely, therefore there is following shortcoming: 1, can't reach the starting curve of oil pump defined, have a strong impact on the life-span of oil pump; 2,20～30 minutes oily temperature of big, the every work of the heat of Chan Shenging promptly reach 80 ℃ and be forced to quit work, thereby the operational use time is short; 3, energy consumption is big, noise is big; 4, complex operation, fragile pump.
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of volume little, the degree of automation height, energy consumption is little, and noise is low, the ground cleaning and testing vehicle for plane hydraulic system that the operational use time is long.
Purpose of the present invention is achieved through the following technical solutions:
The utilization new and high technology is transformed existing cleaning and testing vehicle, makes its power supplying apparatus can satisfy that plane hydraulic system cleans, the performance requriements of test, again can the depowering loss, reduce the cal val of system to greatest extent.
Form by car body and the power supplying apparatus that is installed on the car body according to the cleaning and testing vehicle that above-mentioned design is designed.Car body comprises chassis, coaming plate, loam cake, front-wheel and trailing wheel; Power supplying apparatus comprises electric system, hydraulic efficiency pressure system and pressure system.Hydraulic efficiency pressure system links to each other with hydraulic efficiency pressure system on the aircraft by the aircraft special purpose interface, forms the loop, and the cleaning that is used for plane hydraulic system is tested; Pressure system is connected by the fuel tank on aircraft special purpose interface and the aircraft, and its effect is to be the supercharging of machine top tank, the oil suction condition when improving hydraulic work system; Electric system adopts computing machine, frequency control and totally digitilized instrument structure that hydraulic efficiency pressure system and pressure system are carried out servocontrol at random, make hydraulic efficiency pressure system transient response clean test request, full load output is provided, can withdraws from full load conditions automatically again, be in unloading condition.
Concrete structure of the present invention is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structure principle chart of the cleaning and testing vehicle power supplying apparatus of proposition according to the present invention;
Fig. 2 is a kind of hydraulic scheme in the power supplying apparatus;
Fig. 3 is a kind of pressure system figure in the power supplying apparatus;
Fig. 4 is a kind of electric system schematic diagram in the power supplying apparatus;
Fig. 5 is a kind of constructional drawing according to cleaning and testing vehicle proposed by the invention;
Fig. 6 is the birds-eye view after Fig. 5 removes loam cake;
Fig. 7 is a kind of constructional drawing of damper mechanism set between electrical motor and the car body chassis;
Fig. 8 is a kind of constructional drawing of damper mechanism set between the trailing wheel of car body and the chassis;
Fig. 9 is the A-A part sectional view of Fig. 8.
Describe the concrete structure of foundation ground cleaning and testing vehicle for plane hydraulic system proposed by the invention in detail below in conjunction with accompanying drawing.
Embodiment 1:
In the present embodiment, cleaning and testing vehicle is made up of car body and the power supplying apparatus that is installed on the car body.The structure of car body such as Fig. 5, shown in Figure 6 are made up of chassis (15), coaming plate (16), loam cake (17), front-wheel (18) and trailing wheel (19).Chassis (15), loam cake (17) and coaming plate (16) be combined to form full-closed structure, vent window adopts venetian blinds, the two sides of loam cake (17) are provided with the hose locker (23) that concaves, the case mouth is equipped with closing door (22), and a side of coaming plate is provided with draws oil sample and keep in repair special-purpose door (24).The forebody end face of loam cake (17) is designed to the inclined-plane, and its mounting means is hinged with the coaming plate that is positioned at rear vehicle, and rotatable 90 °, this moulding had not only reduced resistance of motion but also attractive in appearance, and this mounting means is convenient to the installation, maintenance and the operation of power supplying apparatus.
Power supplying apparatus is made up of hydraulic efficiency pressure system, pressure system and electric system.The structure of hydraulic efficiency pressure system comprises work loop and off-load pressure-control circuit as shown in Figure 2; The work loop provides the in-line of pressure oil and the oil-absorbing oil return line of fuel tank from aircraft to be made up of controllable capacity pump (1) to plane hydraulic system, is provided with check valve (2), oil filter (3) (4), pressure sensor (P in the in-line
2) and aircraft special purpose interface (J
2), more renew cartridge indicating device (14) is equipped with on the oil filter; Be provided with aircraft special purpose interface (J in the oil return line
3), temperature sensor (5), sample valve (F
2) and air-cooled radiator (6), air-cooled radiator is selected the higher plate-fin air-cooled radiator of radiating efficiency for use; The formation of off-load pressure-control circuit is to connect a switch (F between the in-line in work loop and the oil return line
1), the setting of off-load pressure-control circuit is for Adjustment System pressure.The structure of pressure system comprises source of the gas and pressure control circuit as shown in Figure 3, is provided with reducing valve (7) (8), electromagnetic valve (9), pressure sensor (P in the pressure control circuit
1) and aircraft special purpose interface (J
1).The structure of electric system comprises power circuit, frequency converter (10), electrical motor (M as shown in Figure 4
1), computing machine (11), AC/DC convertor (12) and digital displaying meter (13); Power circuit is to frequency converter (10), electrical motor (M
1), the air-cooled radiator electrical motor (M in AC/DC convertor (12), computer interface circuits and the hydraulic efficiency pressure system
2), the electromagnetic valve (9) in the pressure system provides the alternating current of 380V or 220V, it is made up of fuse (RD), contactless switch (CJ), thermal relay (RJ) and starter button (QA), stop button (TA); Pressure sensor (the P of AC/DC convertor (12) in hydraulic efficiency pressure system
1) (P
2), temperature sensor (5) and more renew cartridge indicating device (14) direct current (DC) is provided; Input end and computer respectively with pressure sensor (P
1) (P
2), temperature sensor (5), more the mouth of renew cartridge indicating device (14), electromagnetic valve (9) and AC/DC convertor (12) links to each other, the mouth of computing machine links to each other with the input end of frequency converter (10) with digital displaying meter (13) respectively; The mouth of frequency converter (10) and electrical motor (M
1) input end link to each other, with control with adjust the rotating speed of electrical motor.The specifications and models of main components and parts are as follows in the electric system: frequency converter-daily output MF-15K SANKEN; Electrical motor-two utmost point asynchronous system squirrel-cage motor, power 11KW; AC/DC convertor-4NICC78; Computing machine-Industrial PC Computer.
For fear of maloperation, in the present embodiment electric switch and hydraulic pressure, baroswitch are installed on the different panels, electric switch is installed in the end face of car body loam cake (17), and hydraulic pressure, baroswitch are installed in the car body internal fixation on the personality board on chassis, as Fig. 5, shown in Figure 6.
Embodiment 2:
In the present embodiment, the mounting means of the structure of car body, the structure of power supplying apparatus and electric switch, hydraulic-pneumatic switch is with embodiment 1, and institute's difference is at electrical motor (M
1) and the chassis (15) of car body between, be provided with damper mechanism between the trailing wheel (19) of car body and chassis (15).
As shown in Figure 7, electrical motor (M
1) and chassis (15) between damper mechanism form by vibration proof mounting (20), spring (26) (27), spring fixed card (28) (29) and tie bolt (30), electrical motor is fixed on the vibration proof mounting (20), vibration proof mounting is installed on the chassis (15) by tie bolt, and two groups of springs pass tie bolt (30) and lay respectively between vibration proof mounting and the chassis and the vibration proof mounting upper surface.
As Fig. 8, shown in Figure 9, the damper mechanism between trailing wheel and the chassis is made up of bearing (31), axletree (32), pivot pin (33), spring (34) (36), spring bolt of rear end plate (35), spring locking cap (37) and spring perch (38).Bearing be provided with fixing spring pressing plate (39), install pivot pin support (40) and with chassis bonded assembly adapter plate (41); Trailing wheel is installed in the front portion of axletree, and middle part and afterbody have through hole, and the axis of two through hole is vertical mutually; The external diameter of spring locking cap is arranged in this through hole less than the aperture of axletree middle part through hole during installation; Two groups of springs (34) (36) are installed in the upper and lower end face of spring locking cap respectively; Through hole and the rack-mount bearing pin of axletree by its afterbody is hinged; The spring bolt of rear end plate links into an integrated entity pressing plate, two groups of springs, spring locking cap and spring perches.
Concrete structure of the present invention is not limited to the foregoing description, and its protection domain is determined by claims.
The present invention has high intelligent analog functuion, and therefore operation is very easy, after energized, only needs to command operation with the button that rise/stops among Fig. 4, on this basis, can realize wired unicontrol of 50 meters distances.
Main performance index of the present invention is as follows:
Rated pressure: 21mpa
Maximum flow: 38 liters (18mpa, 4000 rev/mins) (regulated at will in the output area of pump)
Temperature rise: move 24 hours continuously and be no more than 45 ℃ (21mpa, 30 ℃ of ambient temperatures)
The degree of contamination: be no more than 6/A level (HB5930-86)
Service life: 15 years, an overhaul in 5 years
Ambient temperature :+40 ℃
Haulage speed: II level road surface is not more than 10 kilometers/hour
Disturbance rejection: can be in the outfield normal operation
Flow: 0～38 liter/minute
Power: 2～15KW
Computer system can be the servo requirement that the user provides various operating conditions.
The present invention has the following advantages:
1, because the electrical system in the power supplying apparatus adopts computer, frequency control and totally digitilized instrument structure that hydraulic system and baric systerm are carried out at random SERVO CONTROL, hydraulic system is in operation be in a large number low-power consumption (about rated disspation 1/5), slow-revving off-load packing state, thereby both can save energy more than 25%, successfully controlled again the temperature rise of fluid, when environment temperature is 30 ℃, moves continuously 24 hours oily temperature and be no more than 45 ℃.
2, electrical system makes pump realize soft start to the control mode of hydraulic system, has effectively overcome over-current shock, has guaranteed to use under the abominable Power Supplies Condition of outlying field, has prevented reliably the impact failure of pump.
3, between motor and the chassis, set vibration absorber and effectively reduced noise by the rotating speed of frequency converter adjustment control motor between trailing wheel and the chassis.
4, automation intensity height, easy and simple to handle, working method one just only needs button commander operation when setting, and can realize wired unicontrol of 50 meters distances.
5, the structure of car body and external form had both guaranteed to work under adverse weather condition, provided great convenience for maintenance again.
6, electric switch is installed in respectively with air pressure, hydraulic efficiency pressure switch and has avoided maloperation on the different panels effectively.
7, car body is in light weight, than the volume-diminished of existing oily car 1/2.
Claims (9)
1, a kind of ground cleaning and testing vehicle for plane hydraulic system, form by car body and the power supplying apparatus that is installed on the car body, car body comprises chassis (15), coaming plate (16), loam cake (17), front-wheel (18) and trailing wheel (19), it is characterized in that power supplying apparatus comprises electric system, hydraulic efficiency pressure system and pressure system, electric system adopts computing machine, frequency control and totally digitilized instrument structure that hydraulic efficiency pressure system and pressure system are carried out servocontrol at random.
2, cleaning and testing vehicle according to claim 1 is characterized in that:
1. hydraulic efficiency pressure system comprises work loop and off-load pressure-control circuit, the work loop is provided with check valve (2), oil filter (3) (4), pressure sensor (P by controllable capacity pump (1), provide the in-line of pressure oil and the oil-absorbing oil return line of fuel tank from aircraft to form to plane hydraulic system in the in-line
2) and aircraft special purpose interface (J
2), be provided with aircraft special purpose interface (J in the oil return line
3), temperature sensor (5), sample valve (F
2) and air-cooled radiator (6),
The formation of off-load pressure-control circuit is to connect a switch (F between the in-line in work loop and the oil return line
1),
2. pressure system is made up of source of the gas and pressure control circuit, is provided with reducing valve (7) (8), electromagnetic valve (9), pressure sensor (P in the pressure control circuit
1) and aircraft special purpose interface (J
1),
3. electric system comprises power circuit, frequency converter (10), electrical motor (M
1), computing machine (11), AC/DC convertor (12) and digital displaying meter (13),
Power circuit is to frequency converter (10), electrical motor (M
1), AC/DC convertor (12), the interface circuit of computing machine (11) and the air-cooled radiator electrical motor (M in the hydraulic efficiency pressure system
2) and pressure system in electromagnetic valve (9) alternating current of 380 volts or 220 volts is provided,
Pressure sensor (the P of AC/DC convertor (12) in hydraulic efficiency pressure system
1) (P
2), the more renew cartridge indicating device (14) that is equipped with on temperature sensor (5) and the oil filter provides direct current (DC),
Input end and computer respectively with pressure sensor (P
1) (P
2), temperature sensor (5), more the mouth of renew cartridge indicating device (14), electromagnetic valve (9) and AC/DC convertor (12) links to each other, the mouth of computing machine links to each other with the input end of frequency converter (10) with digital displaying meter (13) respectively,
The mouth of frequency converter (10) and electrical motor (M
1) input end link to each other, with control with adjust the rotating speed of electrical motor.
3, cleaning and testing vehicle according to claim 1 and 2 is characterized in that electrical motor (M
1) be installed on the chassis (15) of car body electrical motor (M
1) and chassis (15) between be provided with damper mechanism.
4, cleaning and testing vehicle according to claim 3 is characterized in that being provided with damper mechanism between the trailing wheel (19) of car body and chassis (15).
5, cleaning and testing vehicle according to claim 4 is characterized in that:
1. electrical motor (M
1) and chassis (15) between damper mechanism form by vibration proof mounting (20), spring (26) (27), spring fixed card (28) (29) and tie bolt (30), electrical motor is fixed on the vibration proof mounting, vibration proof mounting is installed on the chassis by tie bolt, two groups of springs pass tie bolt and lay respectively between vibration proof mounting and the chassis and the vibration proof mounting upper surface
2. the damper mechanism between trailing wheel (19) and chassis (15) is by bearing (31), axletree (32), pivot pin (33), spring (34) (36), spring bolt of rear end plate (35), spring locking cap (37) and spring perch (38) are formed, bearing is provided with the pressing plate (39) of fixing spring, install pivot pin support (40) and with chassis bonded assembly adapter plate (41), trailing wheel is installed in the front portion of axletree, middle part and afterbody have through hole, the axis of two through hole is vertical mutually, the external diameter of spring locking cap is less than the aperture of axletree middle part through hole, be arranged in this through hole during installation, two groups of springs (34) (36) are installed in the upper and lower end face of spring locking cap respectively, through hole and the rack-mount bearing pin of axletree by its afterbody is hinged, and the spring bolt of rear end plate is pressing plate, two groups of springs, spring locking cap and spring perch link into an integrated entity.
6, according to claim 1 or 2 or 4 or 5 described cleaning and testing vehicles, it is characterized in that loam cake (17) the forebody end face of car body is the inclined-plane, hinged during installation with the coaming plate that is positioned at rear vehicle, rotatable 90 °.
7, cleaning and testing vehicle according to claim 6, it is characterized in that car body chassis (15), loam cake (17) and coaming plate (16) be combined to form full-closed structure, vent window adopts venetian blinds, the two sides of loam cake are provided with the hose locker (23) that concaves, the case mouth is equipped with closing door (22), and a side of coaming plate is provided with draws oil sample and keep in repair special-purpose door (24).
8, according to claim 1 or 2 or 4 or 5 or 7 described cleaning and testing vehicles, it is characterized in that electric switch is installed in loam cake (17) end face, hydraulic pressure, baroswitch are installed in the car body internal fixation on the personality board (25) on chassis.
9, cleaning and testing vehicle according to claim 6 is characterized in that electric switch is installed in loam cake (17) end face, and hydraulic pressure, baroswitch are installed in the car body internal fixation on the personality board (25) on chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92111930A CN1085176A (en) | 1992-10-05 | 1992-10-05 | Ground cleaning and testing vehicle for plane hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92111930A CN1085176A (en) | 1992-10-05 | 1992-10-05 | Ground cleaning and testing vehicle for plane hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1085176A true CN1085176A (en) | 1994-04-13 |
Family
ID=4945629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92111930A Pending CN1085176A (en) | 1992-10-05 | 1992-10-05 | Ground cleaning and testing vehicle for plane hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1085176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9376932B2 (en) | 2004-06-14 | 2016-06-28 | Ecoservices, Llc | Turboengine water wash system |
-
1992
- 1992-10-05 CN CN92111930A patent/CN1085176A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9376932B2 (en) | 2004-06-14 | 2016-06-28 | Ecoservices, Llc | Turboengine water wash system |
| US9708928B2 (en) | 2004-06-14 | 2017-07-18 | Ecoservices, Llc | Turboengine water wash system |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |