CN110501146A - Imitative lift simulation and measuring device and measuring method - Google Patents
Imitative lift simulation and measuring device and measuring method Download PDFInfo
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- CN110501146A CN110501146A CN201910643438.4A CN201910643438A CN110501146A CN 110501146 A CN110501146 A CN 110501146A CN 201910643438 A CN201910643438 A CN 201910643438A CN 110501146 A CN110501146 A CN 110501146A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention provides a kind of imitative lift simulation and measuring device and measuring method, the imitative lift simulation and measuring device include bracket, hoisting mechanism, hanging basket, multiple imitative lift analogue units and multiple imitative lift measurement units, bracket is framework shape, the upper end of hoisting mechanism is connect with rack mechanical, the lower end of hoisting mechanism and the upper mechanical of hanging basket connect, hoisting mechanism drives cage lifting, and the bottom of hanging basket is fixedly connected with undercarriage.The simulation to different lift sizes can be achieved in the present invention, and sensor is set to hanging basket bottom, and sensor is installed on top land by elimination leads to the problem of measurement accuracy inaccuracy.
Description
Technical field
The invention belongs to take-off and landing devices to test field, and in particular to a kind of imitative lift simulation of undercarriage and measuring device and
Measurement method.
Background technique
Undercarriage projection test is the dynamic test that undercarriage pops when simulating carrier-borne aircraft from warship or ejection, at this time
Aircraft has certain lift, need to be with the imitative simulation for rising device and carrying out airplane ascensional force.It is imitative for the important parameter-during test
Lift need to be adjusted, it is therefore desirable to design set of device and be simulated and measured according to real aircraft lift size.
Existing landing gear drop test platform imitates lift measurement device and sensor is installed on top land, due to being used to for piston
Property load causes measurement result precision poor.
Summary of the invention
The purpose of the present invention is to provide a kind of imitative lift of undercarriage simulation and measuring device and measuring method, it can be achieved that
Simulation to carrier-borne aircraft difference lift size.Sensor is set to hanging basket bottom by the present invention, is eliminated and is installed on sensor
Piston rod part leads to the problem of measurement accuracy inaccuracy.
Undercarriage projection test is carried out on testing stand, needs first to be required according to actual tests with imitative lift simulation and measurement
Device carries out lift simulation, then passes through the air pressure carrying of control undercarriage and load/machine for releasing of relieving mechanism or piston ejector ram, ejector piston
Structure pops undercarriage, kinetic characteristics when simulation undercarriage pops.
On the one hand, a kind of imitative lift simulation and measuring device are provided, it is described for the simulation of imitative lift and measurement of undercarriage
Device includes hanging basket 1, bracket 2, hoisting mechanism 3, gas tank, multiple imitative lift measurement units 20 and multiple imitative lift analogue units
30, bracket 2 is framework shape；
The upper end of hoisting mechanism 3 is fixedly connected with the upper end of bracket 2, the lower end of hoisting mechanism 3 and the top mechanism of hanging basket 1
Connection, and hanging basket 1 is driven to rise or fall, the bottom of hanging basket 1 is fixedly connected with undercarriage 4；
Each imitative lift measurement unit 20 is fixed at the bottom of hanging basket 1, and each imitative lift analogue unit 30 is separately positioned on
The downside of one imitative lift measurement unit 20, and it is located at the two sides of undercarriage 4, each imitative lift analogue unit 30 connects with gas tank
Logical, gas tank is used to provide gas to each imitative lift analogue unit 30, imitates lift analogue unit 30 to provide imitative rise to undercarriage 4
Power；Imitative lift measurement unit 20 is used to measure the imitative lift that imitative lift analogue unit 30 provides.
Further, imitating lift measurement unit 20 includes cushion 7 and sensor 6, and sensor 6 is fixedly installed on hanging basket 1
Bottom, cushion 7 are fixedly installed on sensor 6 towards the one side of imitative lift analogue unit 30.
Further, sensor 6 is installed in the mounting base of 1 bottom of hanging basket setting；Sensor 6 is load cell, is delayed
Rushing pad 7 is rubber buffer；Clump weight 13 is provided in hanging basket 1.
Further, for any imitative lift analogue unit 30, include: piston rod 8, piston 9 and imitative liter cylinder 10, imitate and rise
Cylinder 10 is connected to gas tank, and gas tank provides gas into imitative liter cylinder 10；
Piston 9 is slideably positioned in imitative rise in cylinder 10；
One end of piston rod 8 is fixedly connected with piston 9, and the upward vertical sliding of piston 9 drives the other end of piston rod 8 and imitates
The corresponding imitative lift measurement unit 20 of lift analogue unit 30 contacts.
Further, described device includes four imitative lift analogue units 30 and four imitative lift measurement units 20, hanging basket 1
For cube structure, each imitative lift measurement unit 20 is separately positioned on four angle points of 1 bottom of hanging basket.
Further, hoisting mechanism 3 includes leading truck 31, chain hoister 32 and chain sling 33,
Chain hoister 32 is fixedly connected with the upper end of bracket 2；
Leading truck 31 is connect with chain hoister 32 by chain, and the chain transminssion mechanism of chain hoister 32, which rotates, to be driven
Leading truck 31 rises or falls；
The upper end of chain sling 33 is fixedly connected with leading truck 31, and the lower end of chain sling 33 is fixedly connected with hanging basket 1.
Further, described device further includes air pressure carrying and relieving mechanism and air pressure carrying and release force-bearing table 5, air pressure
Carrying and release force-bearing table 5 support undercarriage 4, when undercarriage is from the imitative lift simulation in warship projection test and measures, air pressure
Carrying is withdrawn with release force-bearing table 5 with respect to undercarriage 4 with the carrying of relieving mechanism control pressure.
Further, described device further includes load/relieving mechanism 40, and undercarriage 4 includes piston ejector ram, ejector piston 41, damper leg 42
With wheel 43；
Load/relieving mechanism 40 is locked or is discharged to piston ejector ram, ejector piston 41；
41 one end of piston ejector ram, ejector piston and damper leg 42 are mechanically connected, and the other end and load/relieving mechanism 40 are mechanically connected；
42 one end of damper leg is connect with 1 bottom mechanical of hanging basket, and the other end and wheel 43 are mechanically connected.
On the other hand, the simulation of imitative lift and measurement method of a kind of undercarriage, using imitative lift simulation as described above with
Measuring device test from warship projection, this method comprises:
Undercarriage 4 is installed, undercarriage 4 is installed on 1 bottom of hanging basket；
Control hoisting mechanism 3 drive hanging basket 1 decline, make undercarriage 4 drop to undercarriage 4 wheel 43 and air pressure carrying with
Discharge the upper end face contact of force-bearing table 5；
The imitative gas pressure risen in cylinder 10 is adjusted, piston 9 is slided and then piston rod 8 is driven to move, make the upper of piston rod 8
End face is contacted with cushion 7, continues to adjust the imitative lift number that imitative gas pressure to the numerical value of sensor 6 risen in cylinder 10 is setting
Value；
Control hoisting mechanism 3 drives hanging basket 1 to continue to decline, and the damper leg 42 of undercarriage 4 is made to be compressed to defined compression
Amount；
Control pressure carrying and relieving mechanism make air pressure carrying with release force-bearing table 5 far from wheel 43, and reading senses at this time
The numerical value of device 6 is recorded as the dynamic response value of imitative lift.
In another aspect, a kind of imitative lift simulation of undercarriage and measurement method, using imitative lift simulation as described above with
Measuring device carries out ejection projection test, this method comprises:
Undercarriage 4 is installed, undercarriage 4 is vacantly installed on 1 bottom of hanging basket；
Control the piston ejector ram, ejector piston 41 that load/relieving mechanism 40 locks undercarriage 4；
The imitative gas pressure risen in cylinder 10 is adjusted, piston 9 is slided and then piston rod 8 is driven to move, make the upper of piston rod 8
End face is contacted with cushion 7, continues to adjust the imitative lift number that imitative gas pressure to the numerical value of sensor 6 risen in cylinder 10 is setting
Value；
Control load/relieving mechanism 40 discharges the piston ejector ram, ejector piston 41 of undercarriage 4；The numerical value of sensor 6 at this time is read,
It is recorded as the dynamic response value of imitative lift.
Technical effect of the invention:
By adjusting it is imitative liter cylinder in gas pressure, and then regulating piston bear pressure, different imitative liters can be set
Force value realizes the simulation to carrier-borne aircraft difference lift size.
Rubber buffer is installed in sensor head, prevents force snesor and imitative liter cylinder piston bar rigid contact, extension is set
Standby service life.
Sensor is installed on hanging basket bottom, the quality for being equivalent to piston rod can reduce 20% or so, reduce due to piston
It is influenced brought by bar inertial load, improves the measurement accuracy of imitative lift.
The imitative cylinder that rises is connected to gas tank, and pressure required for being calculated according to test demand with the imitative piston compression area risen in cylinder carries out
Filling is imitated and rises cylinder external communication gas tank, during the test since piston rod movement generates displacement, and generates overall air cavity volume
Variation it is negligible, can be approximately considered in the range of piston rod movement, the imitative device that rises can provide constant imitative lift.
This can be imitated rising mould and fit measuring device applied in carrier-borne aircraft undercarriage projection test by the present invention.
The relevant parameter for rising device is imitated according to test result adjustment, with imitative lift provided by the imitative liter device of guarantee and really
Situation is in the same size.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of imitative the lift simulation and measuring device of undercarriage of the invention；
Fig. 2 is imitative lift analogue unit of the invention and imitative lift measurement cellular construction schematic diagram；
Fig. 3 is the structural side view of undercarriage of the invention；
Description of symbols: 1- hanging basket, 2- bracket, 3- hoisting mechanism, 4- undercarriage, 5- air pressure carrying and release load
Platform, 6- sensor, 7- cushion, 8- piston rod, 9- piston, 10- is imitative to rise cylinder, and 20- imitates lift measurement unit, and 30- imitates lift mould
Quasi-simple member, 11- pipeline, 12- valve, 13- clump weight, 31- leading truck, 32- chain hoister, 33- chain sling, 40- load/release
Mechanism, 41- piston ejector ram, ejector piston, 42- damper leg, 43- wheel.
Specific embodiment
The present invention is illustrated with reference to the accompanying drawings and detailed description.
Embodiment 1
Fig. 1 is the structural schematic diagram of imitative the lift simulation and measuring device of undercarriage of the invention.As shown in Figure 1, rising and falling
The imitative lift of frame is simulated and measuring device, including hanging basket 1, bracket 2, hoisting mechanism 3, gas tank (not shown), multiple imitative lift are surveyed
Measure unit 20 and multiple imitative lift analogue units 30.Multiple imitative lift analogue units 30, which respectively correspond, to be arranged in imitative lift measurement list
The downside of member 20, and it is located at the two sides of undercarriage 4, imitative lift analogue unit 30 is connected to gas tank, and gas tank is simulated single to imitative lift
Member 30 provides gas.Multiple imitative lift measurement units 20 are arranged in the bottom of hanging basket 1, and with imitative lift analogue unit 30 vertical
Direction is correspondingly arranged up and down, is imitated lift measurement unit 20 and is measured the imitative lift that imitative lift analogue unit 30 provides.
The present embodiment, the gas that imitative lift analogue unit 30 is provided by gas tank, can provide different imitative value of lift, real
Now to the simulation of carrier-borne aircraft difference lift size, imitative lift measurement unit 20 can imitate the offer of lift analogue unit 30 with real-time measurement
Imitative lift.
Further, as shown in Figure 1, bracket 2 is framework shape, the upper end of hoisting mechanism 3 and 2 upper frame body machinery of bracket connect
It connects, the lower end of hoisting mechanism 3 is connect with the top mechanism of hanging basket 1, and the bottom of hanging basket 1 is fixedly connected with undercarriage 4.Hanging basket 1 is
Cube structure is provided with clump weight 13 in hanging basket 1.13 weight of clump weight is adjusted, hanging basket 1, undercarriage 4 and clump weight 13 are formed
Projection system weight meet test requirements document.
The imitative lift simulation of the present embodiment and measuring device include that four imitative lift analogue units 30 and four imitative lift are surveyed
Unit 20 is measured, Fig. 1 only shows the two imitative lift analogue units 30 and two imitative lift measurement units 20 of front side.Four imitative lift
Measuring unit 20 is arranged in below four angle points of 1 bottom of hanging basket.
Further, hoisting mechanism 3 includes leading truck 31, chain hoister 32 and chain sling 33, chain hoister 32 and branch
Frame 2 is fixedly connected；Leading truck 31 is connect with chain hoister 32 by chain, the chain transminssion mechanism rotation of chain hoister 32
Leading truck 31 is driven to rise or fall；The upper end of chain sling 33 is fixedly connected with leading truck 31, and the lower end of chain sling 33 and hanging basket 1 are fixed
Connection.The chain transminssion mechanism movement of chain hoister 32 drives leading truck 31 to rise or fall, and then is driven by chain sling 33
Hanging basket 1 rises or falls.
Fig. 2 is imitative lift analogue unit of the invention and imitative lift measurement unit schematic illustration, as shown in Fig. 2, imitative rise
Power measuring unit 20 includes cushion 7 and sensor 6, and sensor 6 is fixedly installed on 1 bottom of hanging basket, and cushion 7 is fixedly installed on
6 bottom of sensor.Specifically, sensor 6 is installed in the mounting base of 1 bottom of hanging basket setting；Sensor 6 is load cell,
Cushion 7 is rubber buffer.Referring to figs. 1 and 2, the sensor 6 for imitating lift measurement unit 20 is arranged in 1 bottom of hanging basket
Four angle points below.
The present embodiment installs rubber buffer on 6 head of sensor, prevents force snesor and the imitative piston rod rigidity for rising cylinder
Contact extends service life of equipment.Sensor 6 is installed on hanging basket bottom, compared with prior art, is equivalent to the matter of piston rod
Amount reduces 20% or so, can reduce the influence as brought by piston rod inertial load, improves the measurement accuracy of imitative lift.
Further, it as shown in Fig. 2, imitative lift analogue unit 30 includes piston rod 8, piston 9 and imitative liter cylinder 10, imitates and rises cylinder
10 are connected to gas tank, and gas tank provides gas into imitative liter cylinder 10；Piston 9 is slideably positioned in imitative rise in cylinder 10；One end of piston rod 8
It is fixedly connected with piston 9, the upward vertical sliding of piston 9 drives the other end of piston rod 8 to contact with imitative lift measurement unit 20.Tool
Body, the imitative cylinder 10 that rises is connected to gas tank, and gas tank provides gas into imitative liter cylinder 10 by pipeline 11, and valve 12 controls in pipeline 11
Gas on-off, control valve 12 controls gas tank gas for providing into imitative liter cylinder 10, and then in adjustable imitative liter cylinder 10
Gas pressure.
The present embodiment, gas tank can provide the gas of approximately constant pressure into imitative liter cylinder 10, piston 9 pushed to slide up
It is dynamic, and then piston rod 8 is driven to move, the other end of piston rod 8 is contacted with the cushion 7 of imitative lift measurement unit 20, is adjusted imitative
The gas pressure in cylinder 10, and then the pressure that regulating piston 9 and piston rod 8 are born are risen, cushion 7 and sensor are further adjusted
6 pressure born, read the data of sensor 6, until when the data of sensor 6 are specified value, the imitative lift number that as sets
Value.Different imitative value of lift can be set by adjusting the imitative gas pressure risen in cylinder 10, realize big to carrier-borne aircraft difference lift
Small simulation.
Further, as shown in Figure 1, imitative lift simulation and measuring device further include that air pressure carrying (is not shown with relieving mechanism
It carries with air pressure out) and supports undercarriage 4, air pressure carrying and machine for releasing with force-bearing table 5 is discharged with release force-bearing table 5, air pressure carrying
The carrying of structure control pressure is withdrawn with release force-bearing table 5 with respect to undercarriage 4.
Further, it imitates lift simulation and measuring device further includes load/relieving mechanism 40.Fig. 3 is of the invention rises and falls
Frame structural side view, as shown in figure 3, undercarriage includes piston ejector ram, ejector piston 41, damper leg 42 and wheel 43.41 one end of piston ejector ram, ejector piston and slow
The mechanical connection of pillar 42 is rushed, the other end and load/relieving mechanism 40 are mechanically connected；42 one end of damper leg and 1 bottom machine of hanging basket
Tool connection, the other end and wheel 43 are mechanically connected.Load/relieving mechanism 40 is locked or is discharged to piston ejector ram, ejector piston 41.
Embodiment 2
Test from warship projection using imitative lift simulation as described in Example 1 and measuring device, include the following steps:
Step 1: undercarriage 4 is installed on 1 bottom of hanging basket by installation undercarriage 4.
Step 2: control hoisting mechanism 3 drives hanging basket 1 to decline, and undercarriage 4 is driven to drop to the wheel 43 and gas of undercarriage 4
Pressure carrying and release 5 upper end face contact of force-bearing table.
Step 3: adjusting the imitative gas pressure risen in cylinder 10, slide piston 9 and then piston rod 8 is driven to move, make piston
The upper surface of bar 8 is contacted with cushion 7, continues to adjust imitative gas pressure to the numerical value of sensor 6 risen in cylinder 10 to be setting
Imitative lift numerical value.
Step 4: it adjusts hoisting mechanism 3 and hanging basket 1 is driven to continue to decline, 4 dead weight of hanging basket 1, clump weight 13 and undercarriage
Undercarriage 4 is loaded, until the damper leg 42 of undercarriage 4 is loaded into regulation decrement.
Step 5: control pressure carrying and relieving mechanism withdraw air pressure carrying quickly with release force-bearing table 5, undercarriage 4
Damper leg 42 stretch, drive the downward projection of wheel 43 of lower part, read the numerical value of sensor 6 at this time, be recorded as imitative lift
Dynamic response value.Air pressure carrying is quickly withdrawn with release force-bearing table 5, and damper leg 42 drives the downward projection of wheel 43, buffering
Pillar 42 can generate active force and act on hanging basket 1, and 6 numerical value of sensor changes.
Embodiment 3
Ejection projection is carried out using imitative lift simulation as described in Example 1 and measuring device to test, and is included the following steps:
Step 1: undercarriage 4 is vacantly installed on 1 bottom of hanging basket by installation undercarriage 4.
Step 2: control load/relieving mechanism 40 locks piston ejector ram, ejector piston 41.
Step 3: adjusting the imitative gas pressure risen in cylinder 10, move 9 slip band piston bar 8 of piston, make piston rod 8
Upper surface is contacted with cushion 7, continues to adjust the imitative lift that imitative gas pressure to the numerical value of sensor 6 risen in cylinder 10 is setting
Numerical value.
Step 4: control load/relieving mechanism 40 discharges the piston ejector ram, ejector piston 41 of undercarriage 4 automatically, and undercarriage 4 launches
Projection.The numerical value for reading sensor 6 at this time is recorded as the dynamic response value of imitative lift.
Technical effect of the invention: imitative lift simulation provided by the invention and measuring device carry out imitative lift simulation and measurement
When, provided lift is indicated with the load that load cell measures, and in fact, imitative lift simulation and measuring device are provided
Lift and to measure between load be difference, ignore the influence of piston friction power, difference is piston rod due to hitting
Caused inertial load.
Traditional is installed on sensor piston rod part, and stress relational expression 1 is as follows
P x S+f+F=(M+m) x a
Sensor is installed on hanging basket bottom by the present invention, and stress relational expression 2 is as follows
P x S+f+F=M x a
P is air pressure in imitative liter cylinder, and S is piston rod compression area, and f is piston friction power, and F is that load cell measures load
Lotus, M are piston rod quality, and m is load cell quality, and a is piston rod acceleration.
In the past in imitative lift test, load cell is installed on piston rod part, and testing scheme provided by the present invention will
Sensor is installed on hanging basket bottom, the quality for reducing piston rod is equivalent to, it is found that reduced inertial load is as described by above formula
Inertia force suffered by load cell, size are m x a.In addition, installation rubber pad can prevent hard hit from hitting on a sensor, reduce
Inertial load caused by transient acceleration is excessive chooses the lesser load cell of quality, also can be improved the measurement of imitative lift
Precision.
Claims (10)
1. a kind of imitative lift simulation and measuring device, the simulation of imitative lift and measurement for undercarriage, which is characterized in that the dress
It sets including hanging basket (1), bracket (2), hoisting mechanism (3), gas tank, multiple imitative lift measurement units (20) and multiple imitative lift simulations
Unit (30),
The bracket (2) is framework shape；
The upper end of the hoisting mechanism (3) is fixedly connected with the upper end of the bracket (2), the lower end of the hoisting mechanism (3) with
The top mechanism of the hanging basket (1) connects, and the hanging basket (1) is driven to rise or fall, the bottom of the hanging basket (1) with rise and fall
Frame (4) is fixedly connected；
Each imitative lift measurement unit (20) is fixed at the bottom of the hanging basket (1), each imitative lift analogue unit
(30) it is separately positioned on the downside of an imitative lift measurement unit (20), and is located at the two sides of the undercarriage (4), each institute
It states imitative lift analogue unit (30) to be connected to gas tank, the gas tank is used to provide gas to each imitative lift analogue unit (30)
Body, the imitative lift analogue unit (30) is to provide imitative lift to the undercarriage (4)；The imitative lift measurement unit (20)
The imitative lift provided for measuring the imitative lift analogue unit (30).
2. imitative lift simulation according to claim 1 and measuring device, which is characterized in that the imitative lift measurement unit
It (20) include cushion (7) and sensor (6), the sensor (6) is fixedly installed on the hanging basket (1) bottom, the buffering
Pad (7) is fixedly installed on one side of the sensor (6) towards the imitative lift analogue unit (30).
3. imitative lift simulation according to claim 2 and measuring device, which is characterized in that the sensor (6) is installed on
In the mounting base of hanging basket (1) the bottom setting；The sensor (6) is load cell, and the cushion (7) is slow for rubber
Punching pad；Clump weight (13) are provided in the hanging basket (1).
4. imitative lift simulation according to claim 1 and measuring device, which is characterized in that for any imitative lift mould
Quasi-simple member (30) includes: piston rod (8), piston (9) and is imitated liter cylinder (10),
The imitative liter cylinder (10) is connected to gas tank, and the gas tank provides gas into imitative liter cylinder (10)；
The piston (9) is slideably positioned in the imitative liter cylinder (10)；
One end of the piston rod (8) is fixedly connected with the piston (9), and the piston (9) is upwards described in vertical sliding drive
The other end of piston rod (8) imitative lift measurement unit (20) corresponding with the imitative lift analogue unit (30) contacts.
5. imitative lift simulation according to claim 1 and measuring device, which is characterized in that described device includes four imitative liters
Power analogue unit (30) and four imitative lift measurement units (20), the hanging basket (1) are cube structure, each imitative lift measurement
Unit (20) is separately positioned on four angle points of the hanging basket (1) bottom.
6. imitative lift simulation according to claim 1 and measuring device, which is characterized in that the hoisting mechanism (3) includes
Leading truck (31), chain hoister (32) and chain sling (33),
The chain hoister (32) is fixedly connected with the upper end of bracket (2)；
The leading truck (31) is connect with chain hoister (32) by chain, and the chain transminssion mechanism of chain hoister (32) turns
It is dynamic that leading truck (31) is driven to rise or fall；
The upper end of the chain sling (33) is fixedly connected with leading truck (31), and the lower end and the hanging basket (1) of the chain sling (33) are solid
Fixed connection.
7. imitative lift simulation according to claim 1 and measuring device, which is characterized in that described device further includes that air pressure is held
It carries and supports undercarriage with release force-bearing table (5) with relieving mechanism and air pressure carrying and release force-bearing table (5), the air pressure carrying
(4), when undercarriage is from the imitative lift simulation in warship projection test and measures, described in the air pressure carrying and relieving mechanism control
Air pressure carrying is withdrawn with release force-bearing table (5) relatively described undercarriage (4).
8. imitative lift simulation according to claim 1 and measuring device, which is characterized in that described device further include load/
Relieving mechanism (40), the undercarriage (4) include piston ejector ram, ejector piston (41), damper leg (42) and wheel (43)；
Load/the relieving mechanism (40) is locked or is discharged to the piston ejector ram, ejector piston (41)；
Described piston ejector ram, ejector piston (41) one end and the damper leg (42) are mechanically connected, the other end and the load/relieving mechanism
(40) it is mechanically connected；
Described damper leg (42) one end is connect with the hanging basket (1) bottom mechanical, and the other end and the wheel (43) are mechanical even
It connects.
9. a kind of imitative lift of undercarriage is simulated and measurement method, imitative lift mould as claimed in any one of claims 1 to 8 is utilized
Measuring device is fitted test from warship projection, which is characterized in that this method comprises:
It installs undercarriage (4), the undercarriage (4) is installed on hanging basket (1) bottom；
Control hoisting mechanism (3) and drive hanging basket (1) decline, make undercarriage (4) drop to the wheels (43) of the undercarriage (4) with
The upper end face contact of air pressure carrying and release force-bearing table (5)；
The imitative gas pressure risen in cylinder (10) is adjusted, piston (9) are slided and then drives piston rod (8) movement, makes piston rod (8)
Upper surface contacted with cushion (7), continue to adjust the number of the imitative gas pressure risen in cylinder (10) to the sensor (6)
Value is the imitative lift numerical value of setting；
Control hoisting mechanism (3) drives the hanging basket (1) to continue to decline, and compresses the damper leg (42) of the undercarriage (4)
To defined decrement；
Control pressure carrying and relieving mechanism read the air pressure carrying far from the wheel (43), with release force-bearing table (5)
The numerical value of the sensor (6) at this time is recorded as the dynamic response value of imitative lift.
10. a kind of imitative lift of undercarriage is simulated and measurement method, imitative lift as claimed in any one of claims 1 to 8 is utilized
Simulation and measuring device carry out ejection projection test, which is characterized in that this method comprises:
It installs undercarriage (4), undercarriage (4) is vacantly installed on hanging basket (1) bottom；
Control the piston ejector ram, ejector piston (41) that load/relieving mechanism (40) lock the undercarriage (4)；
The imitative gas pressure risen in cylinder (10) is adjusted, piston (9) are slided and then drives piston rod (8) movement, makes piston rod (8)
Upper surface contacted with cushion (7), continue to adjust the number of the imitative gas pressure risen in cylinder (10) to the sensor (6)
Value is the imitative lift numerical value of setting；
Control load/relieving mechanism (40) discharges the piston ejector ram, ejector piston (41) of the undercarriage (4)；Read the sensing at this time
The numerical value of device (6) is recorded as the dynamic response value of imitative lift.
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| CN201910643438.4A CN110501146B (en) | 2019-07-16 | 2019-07-16 | Simulation and measurement device and measurement method for simulating lift force |
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| CN201910643438.4A CN110501146B (en) | 2019-07-16 | 2019-07-16 | Simulation and measurement device and measurement method for simulating lift force |
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| CN111929019A (en) * | 2020-07-28 | 2020-11-13 | 中国飞机强度研究所 | Ground test device for simulating landing impact process of carrier-based aircraft undercarriage |
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| CN116986012A (en) * | 2023-09-25 | 2023-11-03 | 中国飞机强度研究所 | Device and method for landing gear running obstacle crossing impact test of carrier-based aircraft |
| CN117030232A (en) * | 2023-10-09 | 2023-11-10 | 中国飞机强度研究所 | High-speed release test device and test method for landing gear hold-down bars of carrier-based aircraft |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126563A (en) * | 2011-01-21 | 2011-07-20 | 南京航空航天大学 | Aircraft landing gear drop lifting force simulating device |
| CN102351046A (en) * | 2011-06-21 | 2012-02-15 | 南京航空航天大学 | Load-variable loading test device and method for detecting load by using same |
| CN202522385U (en) * | 2011-12-27 | 2012-11-07 | 中国飞机强度研究所 | Embedded type combined hanging basket device |
| CN105136420A (en) * | 2015-09-07 | 2015-12-09 | 南京航空航天大学 | Comprehensive testing apparatus and testing method for simulating impact of arresting hook to deck and drop shock of undercarriage |
| CN106932187A (en) * | 2017-03-27 | 2017-07-07 | 南京航空航天大学 | A kind of Nose Gear Fast-Extension of Carrier Based Aircraft experimental rig and test method |
| CN208828133U (en) * | 2018-08-17 | 2019-05-07 | 中航飞机起落架有限责任公司 | A kind of servo-actuated rotating equipment of multi-wheel and multi-support Aircraft Landing Gear Drop Test |
-
2019
- 2019-07-16 CN CN201910643438.4A patent/CN110501146B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126563A (en) * | 2011-01-21 | 2011-07-20 | 南京航空航天大学 | Aircraft landing gear drop lifting force simulating device |
| CN102351046A (en) * | 2011-06-21 | 2012-02-15 | 南京航空航天大学 | Load-variable loading test device and method for detecting load by using same |
| CN202522385U (en) * | 2011-12-27 | 2012-11-07 | 中国飞机强度研究所 | Embedded type combined hanging basket device |
| CN105136420A (en) * | 2015-09-07 | 2015-12-09 | 南京航空航天大学 | Comprehensive testing apparatus and testing method for simulating impact of arresting hook to deck and drop shock of undercarriage |
| CN106932187A (en) * | 2017-03-27 | 2017-07-07 | 南京航空航天大学 | A kind of Nose Gear Fast-Extension of Carrier Based Aircraft experimental rig and test method |
| CN208828133U (en) * | 2018-08-17 | 2019-05-07 | 中航飞机起落架有限责任公司 | A kind of servo-actuated rotating equipment of multi-wheel and multi-support Aircraft Landing Gear Drop Test |
Non-Patent Citations (1)
| Title |
|---|
| 齐丕骞等: "起落架落震试验中的仿升动力模拟", 《机械科学与技术》 * |
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| CN111929019A (en) * | 2020-07-28 | 2020-11-13 | 中国飞机强度研究所 | Ground test device for simulating landing impact process of carrier-based aircraft undercarriage |
| CN114379817A (en) * | 2021-12-30 | 2022-04-22 | 中国飞机强度研究所 | Shipboard aircraft nose landing gear catapulting and protruding test device and test method |
| CN114486138A (en) * | 2021-12-30 | 2022-05-13 | 中国飞机强度研究所 | Airplane vibration comfort test device and method in full-airplane state |
| CN114379817B (en) * | 2021-12-30 | 2023-07-21 | 中国飞机强度研究所 | Device and method for catapulting and protruding test of nose landing gear of carrier-based aircraft |
| CN114486138B (en) * | 2021-12-30 | 2024-03-19 | 中国飞机强度研究所 | Device and method for testing vibration comfort of aircraft in full-aircraft state |
| CN116946387A (en) * | 2023-09-19 | 2023-10-27 | 中国飞机强度研究所 | Aircraft main landing gear off-ship simulated loading device and simulated loading test method |
| CN116946387B (en) * | 2023-09-19 | 2023-12-12 | 中国飞机强度研究所 | Aircraft main landing gear off-ship simulated loading device and simulated loading test method |
| CN116986012A (en) * | 2023-09-25 | 2023-11-03 | 中国飞机强度研究所 | Device and method for landing gear running obstacle crossing impact test of carrier-based aircraft |
| CN116986012B (en) * | 2023-09-25 | 2023-12-15 | 中国飞机强度研究所 | Device and method for landing gear running obstacle crossing impact test of carrier-based aircraft |
| CN117030232A (en) * | 2023-10-09 | 2023-11-10 | 中国飞机强度研究所 | High-speed release test device and test method for landing gear hold-down bars of carrier-based aircraft |
| CN117030232B (en) * | 2023-10-09 | 2024-01-09 | 中国飞机强度研究所 | High-speed release test device and test method for landing gear hold-down bars of carrier-based aircraft |
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