CN105547668B - A kind of aero-brake performance testing device - Google Patents
A kind of aero-brake performance testing device Download PDFInfo
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- CN105547668B CN105547668B CN201510909278.5A CN201510909278A CN105547668B CN 105547668 B CN105547668 B CN 105547668B CN 201510909278 A CN201510909278 A CN 201510909278A CN 105547668 B CN105547668 B CN 105547668B
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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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Abstract
The present invention relates to the testing fields of aero-brake braking quality, more particularly to a kind of aero-brake performance testing device.Experimental rig includes: testing stand；Test wheel；Brake gear brakes for Control experiment wheel；Loading frame is arranged for that will test wheel and its brake gear in testing stand, is also used to apply scheduled load to test wheel；Wheel hub is rotatably arranged on testing stand by hub bracket, and the axis of wheel hub is parallel with the axis of test wheel, and wheel hub is used to be in contact by its outer ring surface with test wheel outer ring surface, dynamic with band dynamic test rotation；Driving motor is connect with wheel hub, is rotated for drive hub；Static torque meter measures the brake torque of brake gear.Aero-brake performance testing device of the invention can reduce testing stand quantity, economize on resources, and improve test efficiency by selecting different test wheel and its brake gear to carry out different brake gear performance tests.
Description
Technical field
The present invention relates to the testing fields of aero-brake braking quality, more particularly to a kind of aero-brake
It can test and experiment device.
Background technique
Aero-brake is broadly divided into wheel brake and rotor brake device two types, for both boats
Empty brake gear, because two kinds of brake gear performance test input conditions are different, the country needs different test bed at present
Brake gear dynamic performance testing is carried out, this accordingly causes testing stand redundancy, the wasting of resources.
Summary of the invention
The object of the present invention is to provide a kind of aero-brake performance testing devices, to solve current test
Testing stand redundancy, thus the problem of resulting in waste of resources.
The technical scheme is that
A kind of aero-brake performance testing device, comprising:
Testing stand；
Test wheel；
Brake gear is taken turns with the test and is connected, and brakes for controlling the test wheel；
Loading frame is also used to for being arranged test wheel and its brake gear in the testing stand to described
Test wheel applies scheduled load；
Wheel hub is rotatably arranged on the testing stand by hub bracket, and the axis of the wheel hub and the test are taken turns
Axis it is parallel, the wheel hub is used to be in contact by its outer ring surface and the test wheel outer ring surface, to drive the test wheel
Rotation；
Driving motor is connect with the wheel hub, for driving the hub rotation；
Static torque meter, for being stopped described in real-time measurement when the brake gear controls the test wheel and braked
The brake torque of vehicle device.
Preferably, the loading frame includes:
Frame body, the test wheel and its brake gear are fixed on the frame body；
Slide track component is arranged between the frame body and the testing stand, for the frame to be slidably arranged in
On the testing stand, and the glide direction of the frame body is vertical with the axis of the test wheel；
Driving device is connect with the slide track component, for applying scheduled driving load to the slide track component, is driven
The frame body sliding, to apply the predetermined load to test wheel by the frame body.
Preferably, the test wheel is wheel, and the brake gear is wheel brake.
Preferably, the wheel has wheel axis, and the wheel is mounted on the loading frame by the wheel axis.
Preferably, the test wheel is rotor change pulley, and the brake gear is rotor brake device.
Preferably, the rotor change pulley has change pulley installation axle, and the rotor change pulley is pacified by the change pulley
Dress axis is mounted on the loading frame.
Preferably, the rotor brake device is fixedly connected by flange with the rotor change pulley.
Preferably, the frictional force between the rotor change pulley and the hub contacts face is rotor brake device brake
2 times of vehicle torque.
Preferably, the radius of the rotor change pulley is adjusted according to following two formula:
Wherein, n0For hub rotation speed, unit rpm；n1For rotor speed change wheel speed, unit rpm；R is hub radius, unit
m；R is rotor change pulley radius, unit m；J0For wheel hub inertia, units/kg m2；J1For change pulley side wheel hub equivalent inertia, unit
kgm2。
The present invention has the advantages that
Aero-brake performance testing device of the invention will test wheel and its brake gear by loading frame
It is arranged on the testing stand, it can be by selecting different test wheel and its brake gear to carry out different brake gear performances
Test reduces testing stand quantity, economizes on resources, and improve test efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of aero-brake performance testing device of the present invention；
Fig. 2 is the structural schematic diagram of another preferred embodiment of aero-brake performance testing device of the present invention.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
1 and Fig. 2 does further specifically aero-brake performance testing device of the present invention with reference to the accompanying drawing
It is bright.
The present invention provides a kind of aero-brake performance testing devices, carry out performance for aero-brake
Testing experiment.Experimental rig may include testing stand 1 and the test wheel 2 being arranged on testing stand 1, brake gear 3, wheel hub 5,
Driving motor 7, static torque meter 8 etc..
Testing stand 1, which can according to need, is set as a variety of suitable shape and structures.
Test wheel 2 equally can need to be selected as a variety of pre- aviation wheels tested according to testing, such as Inspection Aircraft Wheels,
Rotor change pulley etc..
Brake gear 3 is usually corresponding with test wheel 2, connect with test wheel 2, brakes for Control experiment wheel 2.
Loading frame 4 is arranged for that will test wheel 2 and its brake gear 3 in testing stand 1, is also used to apply to test wheel 2
Add scheduled load.Loading frame 4, which equally can according to need, is set as a variety of suitable shape and structures；In the present embodiment, add
Carrying frame 4 may include frame body 41, slide track component 42 and driving device 43.
Test wheel 2 and its brake gear 3 are fixed on frame body 41；Slide track component 42 is arranged in frame body 41
Between testing stand 1, for frame body 41 to be slidably arranged in testing stand 1, and the glide direction and examination of frame body 41
The axis for testing wheel 2 is vertical；Driving device 43 is connect with slide track component 42, is carried for applying scheduled driving to slide track component 42
Lotus drives frame body 41 to slide, to apply the predetermined load by 41 pairs of test wheels 2 of frame body.Wherein, driving device
43 can be preferably hydraulic piston.
Wheel hub 5 can be a variety of suitable Wheel structures, be rotatably arranged on testing stand 1 by hub bracket 6, and wheel hub
5 axis is parallel with the axis of test wheel 2, and wheel hub 5 is used to be in contact by its outer ring surface with test 2 outer ring surfaces of wheel, to drive
2 rotation of test wheel；Driving motor 7 is connect with wheel hub 5, is rotated for the revolving speed of drive hub 5 as required.
Static torque meter 8 is generally arranged at corresponding position in the rotation axis of test wheel 2, for controlling in brake gear 3
When test wheel 2 is braked, the brake torque of real-time measurement brake gear 3.
Aero-brake performance testing device of the invention is filled test wheel 2 and its brake by loading frame 4
3 settings are set on the testing stand 1, it can be by selecting different test wheel and its brake gear to carry out different brake gears
Performance test reduces testing stand quantity, economizes on resources, and improve test efficiency.
In aero-brake performance testing device of the invention, test wheel 2 can need to be selected as according to test
Inspection Aircraft Wheels, rotor change pulley etc..It will be illustrated respectively with the structure for Inspection Aircraft Wheels and rotor change pulley below.
When test wheel 2 is wheel, brake gear 3 (is not shown, can be and be arranged inside wheel by brake gear) in Fig. 1
It is usually corresponding with test wheel 2, it is wheel brake；Wheel has wheel axis, and wheel is mounted on load frame by wheel axis
On frame 4；It should be noted that the connection relationship of wheel brake and wheel herein does not change, and kept in real aircraft
Unanimously, so no longer repeating wheel, wheel brake and their connection.
When carrying out the test of Inspection Aircraft Wheels brake gear dynamic performance testing, driving motor 7 is rotated with runner hub 5, is provided
Meet the speed of test requirements document, loading frame 4 applies load, simulates wheel load；Meet in brake speed and wheel load
Under conditions of, brake gear dynamic performance testing is carried out, while dynamic brake torque is acquired by static torque meter 8；Driving motor 7
In the whole process according to inertia difference output torque, the energy for meeting test requirements document is provided and driving motor 7 participates in inertia mould
It is quasi-, last output test data.
When test wheel 2 is selected as rotor change pulley, brake gear 3 is rotor brake device, and rotor brake device passes through
Flange is fixedly connected between them with rotor change pulley.Specific rotor brake device can be the rotor change pulley being currently known
Brake gear, its specific structure is repeated no more, furthermore, it is desirable to which explanation, only provides brake gear 3 in Fig. 2 and show
The view of meaning property.Rotor change pulley has change pulley installation axle, and rotor change pulley is mounted on load frame by change pulley installation axle
On frame 4.
In the test of rotor brake device dynamic performance testing, driving motor 7 is rotated with runner hub 5, provides satisfaction test
It is required that speed, and loading frame 4 apply speed change wheel load, at this time wheel hub 5 drive change pulley rotation, change pulley drive rotor
Brake gear rotation carries out rotor brake device dynamic performance testing, together when rotor brake device brake speed is met the requirements
When, real-time brake torque is measured by static torque meter 8；Equally, driving motor 7 is in the whole process according to inertia difference power output
Square, provides the energy for meeting test requirements document and driving motor 7 participates in inertia simulation, last output test data.
In addition, in the present embodiment, rotor brake device is in test brake process, to be deformed change pulley will not
And sliding, the provided change pulley rigidity of selection is strong, applies big load and is unlikely to deform；Simultaneously, it is desirable that using surface treatment, improve
Change pulley skin-friction coefficient makes the frictional force between change pulley and wheel hub be greater than rotor brake device brake torque (general big
In 2 times)；Further, change pulley rotor brake device testing experiment speed and inertia are different from wheel brake, therefore speed change caliper scale
Very little (radius) is according to revolving speed needed for following test and inertia adjustment (referring to following two formula):
Wherein, n0For hub rotation speed, unit rpm；n1For rotor speed change wheel speed, unit rpm；R is hub radius, unit
m；R is rotor change pulley radius, unit m；J0For wheel hub inertia, units/kg m2；J1For change pulley side wheel hub equivalent inertia, unit
kgm2。
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (6)
1. a kind of aero-brake performance testing device characterized by comprising
Testing stand (1)；
Test wheel (2)；
Brake gear (3) is connect with test wheel (2), is braked for controlling the test wheel (2)；
Loading frame (4) is also used for being arranged test wheel (2) and its brake gear (3) in the testing stand (1)
Apply scheduled load in taking turns (2) to the test；
Wheel hub (5) is rotatably arranged on the testing stand (1) by hub bracket (6), and the axis of the wheel hub (5) and institute
The axis for stating test wheel (2) is parallel, and the wheel hub (5) is in contact for taking turns (2) outer ring surface with the test by its outer ring surface,
To drive test wheel (2) rotation；
Driving motor (7) is connect with the wheel hub (5), for driving the wheel hub (5) to rotate；
Static torque meter (8) is used for when the brake gear (3) control the test wheel (2) and braked, real-time measurement institute
State the brake torque of brake gear (3)；
The loading frame (4) includes:
Frame body (41), the test wheel (2) and its brake gear (3) are fixed on the frame body (41)；
Slide track component (42) is arranged between the frame body (41) and the testing stand (1), is used for the frame body
(41) it is slidably arranged on the testing stand (1), and the axis of the glide direction of the frame body (41) and the test wheel (2)
Line is vertical；
Driving device (43) is connect with the slide track component (42), for applying scheduled driving to the slide track component (42)
Load drives the frame body (41) to slide, described pre- to take turns (2) application to the test by the frame body (41)
Determine load；
The test wheel (2) is wheel or rotor change pulley, and correspondingly, the brake gear (3) is wheel brake or rotation
Wing brake gear.
2. aero-brake performance testing device according to claim 1, which is characterized in that the wheel has
Wheel axis, the wheel are mounted on the loading frame (4) by the wheel axis.
3. aero-brake performance testing device according to claim 1, which is characterized in that the rotor speed change
Wheel has change pulley installation axle, and the rotor change pulley is mounted on the loading frame (4) by the change pulley installation axle.
4. aero-brake performance testing device according to claim 3, which is characterized in that the rotor brake
Device is fixedly connected by flange with the rotor change pulley.
5. aero-brake performance testing device according to claim 4, which is characterized in that the rotor speed change
Frictional force between wheel and the wheel hub (5) contact surface is 2 times of the rotor brake device brake torque.
6. aero-brake performance testing device according to claim 5, which is characterized in that the rotor speed change
The radius of wheel is adjusted according to following two formula:
Wherein, n0For hub rotation speed, unit rpm；n1For rotor speed change wheel speed, unit rpm；R is hub radius, unit m；R is
Rotor change pulley radius, unit m；J0For wheel hub inertia, units/kg m2；J1For rotor change pulley side wheel hub equivalent inertia, unit
kgm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909278.5A CN105547668B (en) | 2015-12-10 | 2015-12-10 | A kind of aero-brake performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909278.5A CN105547668B (en) | 2015-12-10 | 2015-12-10 | A kind of aero-brake performance testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105547668A CN105547668A (en) | 2016-05-04 |
| CN105547668B true CN105547668B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510909278.5A Active CN105547668B (en) | 2015-12-10 | 2015-12-10 | A kind of aero-brake performance testing device |
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| CN (1) | CN105547668B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108074433A (en) * | 2017-12-29 | 2018-05-25 | 天津华翼蓝天科技股份有限公司 | A kind of tiptoe brake weight induction device for flight simulator |
| CN109533393A (en) * | 2018-12-20 | 2019-03-29 | 中国飞机强度研究所 | A kind of tire debris protective device for aircraft tyre inertial test table |
| CN111473965B (en) * | 2020-04-22 | 2022-04-19 | 西安航空制动科技有限公司 | Semi-snap ring fatigue test assembly and fatigue test device |
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| GB201004030D0 (en) * | 2010-03-11 | 2010-04-28 | Goodrich Actuation Systems Ltd | Brake test arrangement |
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| CN202403900U (en) * | 2011-12-20 | 2012-08-29 | 中国飞机强度研究所 | Loading device for brake test for aircraft wheel |
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| CN103604555A (en) * | 2013-12-04 | 2014-02-26 | 中国飞机强度研究所 | Five-degree-of-freedom follow-up brake moment measurement device |
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| CN105547668A (en) | 2016-05-04 |
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