CN108181046A - A kind of controllable force source generating device for thrust vector measuring system - Google Patents
A kind of controllable force source generating device for thrust vector measuring system Download PDFInfo
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- CN108181046A CN108181046A CN201711388514.9A CN201711388514A CN108181046A CN 108181046 A CN108181046 A CN 108181046A CN 201711388514 A CN201711388514 A CN 201711388514A CN 108181046 A CN108181046 A CN 108181046A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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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
- G01M15/00—Testing of engines
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of controllable force source generating devices for thrust vector measuring system, belong to sensing, observation and control technology field.The invention avoids the problems of the high cost of ground firing, environment easy to pollute, technology and process complexity, as external force source generating device, generated external world's loading force acts on the thrust vector measuring system for being equipped with rocket engine as the analog force of rocket engine.The orthogonal controllable unidirectional force of generation is synthesized by controllable composite force according to the composition principle of power, changes the position of power by moving up and down hydraulic loading device, so as to control the size of force vector, direction and position.The device can simulate the stress of measurand as extraneous loading force source, generated three-dimensional normal force, and the torque of generation can simulate the yaw, pitching and roll mode of measurand.In addition, the present invention can examine and determine the static properties of arbitrary thrust vector measuring system, thrust vector measuring system is made to realize survey, control, mark integration.
Description
Technical field
The present invention relates to a kind of controllable force source generating devices for thrust vector measuring system, belong to sensing, observing and controlling skill
Art field, applied to the calibrating occasion of thrust vector measuring system, working condition, calibrating thrust vectoring to Simulated Spacecraft are surveyed
Test system performance is of great significance.
Background technology
With development of the mankind to following manned moon landing, mars exploration and farther survey of deep space plan, the fortune of spacecraft
Row needs the movement of propulsive force, longer run time, more complicated change rail and the Attitude control of bigger, so to space flight
Propulsion, the control technology requirement of device are also higher and higher.Important composition of the rail/Attitude rocket engine as spacecraft propulsion system
Part plays the part of during spacecraft work operation and puts forth effort the key players such as source propulsion, pose adjustment, separation braking.Thrust
An important parameter of the vector as rocket engine performance indicator simulates it, controls, measuring with calibration with important meaning
Justice.
Under normal circumstances, in laboratory the performances such as the thrust of rocket engine ginseng is obtained frequently with ground firing
Number, but on condition that the property indices of thrust vector measuring system should meet Practical Project requirement, therefore thrust of good performance
Vector test system is the important leverage of the performance parameters such as the thrust that ground firing accurately obtains engine.Since rocket is sent out
After motivation is mounted on Change-over frame, the performance parameters such as thrust of thrust vector measuring system may change, it is therefore necessary to
Performance detection is carried out to the thrust vector measuring system for being mounted with rocket engine.
In order to examine and determine whether the performance parameter for the thrust vector measuring system for being equipped with rocket engine meets Practical Project
It is required that thrust vector measuring system is examined and determine generally by the way of ground firing.Ground firing and boat
Operation principle when its device is run is almost similar, therefore six-dimensional force caused by ground firing can be good at simulating space flight
Stress when device works, but ground firing can expend a large amount of chemical fuel, with high costs, environment vulnerable to pollution,
And technology and process are complicated, and experimental enviroment simulation difficulty is big, therefore when being examined and determine in laboratory thrust vector measuring system,
Generally using cost is more cheap, thrust vector measuring system easy to operate detection experiment.Thrust vector measuring system detects
Experiment can restore thrust vector measuring system actual working state in laboratory conditions, obtain more accurately and completely
Test data, before the product or equipment investment actual motion developed, the problem of finding its in advance, while have good
Controllability well, repeatability, are greatly saved development cost and period, while also ensure that thrust vector measuring system is being thrown
Has good performance before entering use.Power source of the power source generating device as thrust vector measuring system, in test experience
Play very important role in the process, thus study it is a kind of it is at low cost, easy to operate, simulation six-dimensional force can either be generated again can
The controllable force source generating device of enough calibrating thrust vector measuring system performances is necessary.
Invention content
For the present invention as external force source generating device, generated external world's loading force, which acts on, is equipped with rocket engine
Whether thrust vector measuring system is consistent by comparing the output and the input of extraneous loading force value of piezoelectric force instrument, from
And detect whether the static characteristic of thrust vector measuring system meets Practical Project requirement.Using the load mode of orthogonal loading
Controllable unidirectional force is generated, controllable unidirectional force is synthesized into controllable composite force further according to the composition principle of power, by the way that hydraulic loaded is filled
It puts and moves up and down, you can change the position of power, so as to make force vector (size of power, direction, position) controllable.The device is made
For extraneous loading force source, generated three-dimensional normal force can simulate the vectorial force suffered by measurand, and the torque of generation can mould
Intend yaw, pitching and the roll mode of measurand.In addition, extraneous loading force can be used as thrust vectoring to survey caused by the present invention
The detection power of test system, you can the static properties of thrust vector measuring system has been demarcated in calibrating, so as to make thrust vectoring test system
System, which is realized, to be surveyed, control, marks integration.
Technical scheme of the present invention：
A kind of controllable force source generating device for thrust vector measuring system, including support and measuring system, tested mould
Intend objective system, calibration frame and power source loading system；
The support is mainly surveyed with measuring system by fixed foot stool 5, supporting rack 6, fixed disc 7, protective cover 8, piezoelectricity
Power instrument 9, load plate 10, adapter flange 11 and connection bolt 17 form；There are four the fixation foot stools 5, passes through foundation bolt
It is fixed on ground；The supporting rack 6 is four foot supports, is connect by bolt with fixed foot stool 5；On the fixed disc 7
Equipped with central through hole, it is bolted on 6 top of supporting rack；The piezoelectric force instrument 9 passes through 7 phase of bolt and fixed disc
Even, outside is protected by protective cover 8, prevents external environment from being impacted to the precision of piezoelectric force instrument 9；The load plate 10
It is connected with the upper plate of piezoelectric force instrument 9, is fixedly connected with adapter flange 11 by connecting bolt 17 thereon；
The tested simulated object system is mainly by snap ring 12, vertical load plate 13, tangential load plate 14, centripetal loading
Plate 15 and tested simulated object 16 form；The tested simulated object 16 is cylinder, is connected with adapter flange 11, described
Two snap rings 12 are clamped in by bolt in tested simulated object 16；The vertical load plate 13, tangential load plate 14 and to
The periphery for being fixed on two snap rings 12 is bolted according to respective direction for heart load plate 15；
The calibration frame is mainly made of fixed cross beam 1, column 2, movable beam 3 and top cross-bar 4；The mark
Frame is determined for hollow cube reinforcing rib structure, had both been alleviated the weight of device, and had been in turn ensured the rigidity and intensity of device；Described is vertical
Totally four, column 2 is installed with fixed cross beam 1 between two adjacent upright posts 2, positioned at the bottom of column 2, forms square frame bottom surface；
The movable beam 3 is mounted between adjacent upright posts 2, can be moved up and down along 2 vertical direction of column；The top cross-bar 4
There are four or more, wherein, four top cross-bars 4 are fixed on the top of column 2, the affixed squarely structure of head and the tail, remaining top horizontal stroke
Beam 4 is fixed in the inner space that square structure is formed, and is realized and is further strengthened fixing；
The power source loading system is mainly by centripetal loading force source device I, axially loaded power source device II, vertical loading
Power source device III and tangential loading force source device IV form；The centripetal loading force source device I gives thrust vector measuring system
Apply centripetal force Fx、Fy, including hydraulic loaded head c24, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21；Described consolidates
Determine the centre position that bottom plate 21 is connected in movable beam 3, the hydraulic cylinder 20 is connected by bolt and fixed bottom plate 21, institute
19 one end of standard force snesor stated is connected with hydraulic cylinder 20, and the other end is connected by screw thread with hydraulic loaded head c 24；It is described
Loading head c 24 be connected in centripetal load plate 15 by bolt；
The axially loaded power source device II applies main to power F to thrust vector measuring systemz, including hydraulic loaded head
A 18, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21；The fixation bottom plate 21, hydraulic cylinder 20, proof force sensing
Device 19 and hydraulic loaded head a18 are fixedly connected sequentially as an entirety；The fixation bottom plate 21 is fixedly connected on tested mould
Intend in the top cross-bar 4 right over object 16；The hydraulic loaded head a18 is fixedly connected on the top of tested simulated object 16
Portion；
The vertical loading force source device III applies moment M to thrust vector measuring systemx、My, including hydraulic loaded head
B 22, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21；The fixation bottom plate 21, hydraulic cylinder 20, proof force sensing
Device 19 and hydraulic loaded head b 22 are fixedly connected sequentially as an entirety；The fixation bottom plate 21 is fixedly connected on vertical add
In the top cross-bar 4 of 13 top of support plate；The hydraulic loaded head b22 is connected in by nut in vertical load plate 13；
The tangential loading force source device IV applies moment M to thrust vector measuring systemz, including hydraulic loaded head d
25th, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21；The fixation bottom plate 21, hydraulic cylinder 20, standard force snesor
19 and hydraulic loaded head d 25 is fixedly connected sequentially as an entirety；The fixation bottom plate 21 is fixedly connected on tangentially adding
3 inside of movable beam of 14 homonymy of support plate；The hydraulic loaded head b 22 is connected in by nut in vertical load plate 14；
The centripetal loading force source device I can be moved down with tangential loading force source device IV along the vertical direction of column 2
It is dynamic, realize that the movement of the position of power moves up and down.
Beneficial effects of the present invention：The present invention is acted on as external force source generating device, generated external world's loading force
The thrust vector measuring system of rocket engine is equipped with, the defeated of force value is loaded with extraneous by comparing the output of piezoelectric force instrument
Enter and whether be consistent, so as to detect whether the static characteristic of thrust vector measuring system meets Practical Project requirement.Using
The load mode of orthogonal loading generates controllable unidirectional force, further according to the composition principle of power that the synthesis of controllable unidirectional force is controllable compound
Power, by the way that hydraulic loading device is moved up and down, you can change the position of power, so as to make force vector (size of power, direction,
Position) it is controllable.The device can simulate the arrow suffered by measurand as extraneous loading force source, generated three-dimensional normal force
It measures one's own ability, the torque of generation can simulate the yaw, pitching and roll mode of measurand.In addition, extraneous caused by the present invention add
Carrying power can be as the detection power of thrust vector measuring system, you can and the static properties of thrust vector measuring system has been demarcated in calibrating,
So as to which thrust vector measuring system be made to realize survey, control, mark integration.
Description of the drawings
Fig. 1 is calibration frame structure chart.
Fig. 2 is thrust vector measuring system structure diagram.
Fig. 3 is snap ring 12 and the installation diagram of tested simulated object 16.
Fig. 4 is the overall structure front view of apparatus of the present invention structure.
Fig. 5 is the partial structural diagram a of apparatus of the present invention structure.
Fig. 6 is the partial structural diagram b of apparatus of the present invention structure.
Fig. 7 is the overall structure diagram of apparatus of the present invention structure.
In figure：1 fixed cross beam；2 columns；3 movable beams；4 top cross-bars；5 fix foot stool；6 supporting racks；7 fix circle
Disk；8 protective covers；9 piezoelectric force instrument；10 load plates；11 adapter flanges；12 snap rings；13 vertical load plates；14 tangential load plates；
15 centripetal load plates；16 tested simulated objects；17 connection bolts；18 hydraulic loaded head a；19 standard force snesors；20 hydraulic cylinders；
21 fix bottom plate；22 hydraulic loaded head b；23 locking nuts；24 hydraulic loaded head c；25 hydraulic loaded head d；
Specific embodiment
Below in conjunction with attached drawing and technical solution, the specific embodiment further illustrated the present invention.
Axially loaded power source device II is (by hydraulic loaded head a18, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate
21 compositions) by controlling can be achieved into fuel-displaced to the main to power F of thrust vector measuring system for hydraulic cylinder 20zLoading；It is vertical to add
It carries power source device III (being made of hydraulic loaded head b22, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21) and passes through control
Hydraulic cylinder 20 can realize the moment M to thrust vector measuring systemx, MyLoading；Centripetal loading force source device I is (by hydraulic loaded head
C24, standard force snesor 19, hydraulic cylinder 20 and fixed bottom plate 21 form) by controlling hydraulic cylinder 20 that can realize to thrust vectoring
The centripetal force F of test systemx, FyLoading；Tangential loading force source device IV is (by hydraulic loaded head d25, standard force snesor 19, liquid
Cylinder pressure 20 is formed with fixed bottom plate 21) by controlling hydraulic cylinder 20 that can realize to the tangential force of thrust vector measuring system (i.e. around Z
The moment M of axisz) loading.Centripetal loading force source device I is connected with tangential loading force source device IV with movable beam 3, therefore to
Heart loading force source device I can be moved up and down with tangential loading force source device IV along the vertical direction of column 2, you can realize the work of power
It is moved up and down with the movement of point.
Each unidirectional force is controlled by the way of orthogonal loading, is then synthesized unidirectional force according to the composition principle of power compound
Power controls compound force vector by changing the position of centripetal loading force source device I and tangential loading force source device IV.The device
As extraneous loading force source, generated three-dimensional normal force can simulate the vectorial force suffered by measurand, and the torque of generation can
Simulate yaw, pitching and the roll mode of measurand.In addition, extraneous loading force can be used as thrust vectoring caused by the present invention
The detection power of test system, you can the static properties of thrust vector measuring system has been demarcated in calibrating, so as to test thrust vectoring
System, which is realized, to be surveyed, control, marks integration.
Claims (1)
1. a kind of controllable force source generating device for thrust vector measuring system, which is characterized in that be with measuring including support
System, tested simulated object system, calibration frame and power source loading system；
The support is with measuring system mainly by fixed foot stool (5), supporting rack (6), fixed disc (7), protective cover (8), pressure
Electric dynamometer (9), load plate (10), adapter flange (11) and connection bolt (17) form；The fixation foot stool (5) has four
It is a, ground is fixed on by foundation bolt；The supporting rack (6) is four foot supports, is connected by bolt and fixed foot stool (5)
It connects；The fixed disc (7) is equipped with central through hole, is bolted at the top of supporting rack (6)；The piezoelectric force
Instrument (9) is connected by bolt with fixed disc (7), external to be protected by protective cover (8), prevents external environment to piezoelectric force instrument
(9) precision impacts；The load plate (10) and the upper plate of piezoelectric force instrument (9) is connected, thereon by connecting bolt
(17) it is fixedly connected with adapter flange (11)；
The tested simulated object system mainly by snap ring (12), vertical load plate (13), tangential load plate (14), it is centripetal plus
Support plate (15) and tested simulated object (16) composition；The tested simulated object (16) is cylinder, with adapter flange (11)
It is connected, two snap rings (12) are clamped in by bolt in tested simulated object (16)；The vertical load plate (13),
Tangential load plate (14) and centripetal load plate (15) are bolted according to respective direction is fixed on two snap rings (12)
Periphery；
The calibration frame is mainly made of fixed cross beam (1), column (2), movable beam (3) and top cross-bar (4)；It is described
Calibration frame for hollow cube reinforcing rib structure, both alleviated the weight of device, and in turn ensured the rigidity and intensity of device；It is described
Totally four, column (2), fixed cross beam (1) is installed between two adjacent upright posts (2), positioned at the bottom of column (2), composition side
Shape frame bottom surface；The movable beam (3) can move down between adjacent upright posts (2) along column (2) vertical direction
It is dynamic；The top cross-bar (4) has four or more, wherein, four top cross-bars (4) are fixed on the top of column (2), and head and the tail are solid
Square structure is connected into, remaining top cross-bar (4) is fixed in the inner space that square structure is formed, and is realized and is further strengthened admittedly
It is fixed；
The power source loading system is mainly by centripetal loading force source device (I), axially loaded power source device (II), vertical loading
Power source device (III) and tangential loading force source device (IV) composition；The centripetal loading force source device (I) is surveyed to thrust vectoring
Test system applies centripetal force Fx、Fy, including hydraulic loaded head c (24), standard force snesor (19), hydraulic cylinder (20) and fixed bottom
Plate (21)；The fixation bottom plate (21) is connected in the centre position of movable beam (3), and the hydraulic cylinder (20) passes through spiral shell
Bolt is connected with fixed bottom plate (21), and described standard force snesor (19) one end is connected with hydraulic cylinder (20), and the other end passes through spiral shell
Line is connected with hydraulic loaded head c (24)；The loading head c (24) is connected in by bolt in centripetal load plate (15)；
The axially loaded power source device (II) applies main to power F to thrust vector measuring systemz, including hydraulic loaded head a
(18), standard force snesor (19), hydraulic cylinder (20) and fixed bottom plate (21)；The fixation bottom plate (21), hydraulic cylinder (20),
Standard force snesor (19) and hydraulic loaded head a (18) are fixedly connected sequentially as an entirety；The fixation bottom plate (21)
It is fixedly connected in the top cross-bar (4) right over tested simulated object (16)；The hydraulic loaded head a (18) is fixedly connected
At the top of tested simulated object (16)；
The vertical loading force source device III applies moment M to thrust vector measuring systemx、My, including hydraulic loaded head b
(22), standard force snesor (19), hydraulic cylinder (20) and fixed bottom plate (21)；The fixation bottom plate (21), hydraulic cylinder (20),
Standard force snesor (19) and hydraulic loaded head b (22) are fixedly connected sequentially as an entirety；The fixation bottom plate (21)
It is fixedly connected in the top cross-bar (4) above vertical load plate (13)；The hydraulic loaded head b (22) is connected by nut
In vertical load plate (13)；
The tangential loading force source device IV applies moment M to thrust vector measuring systemz, including hydraulic loaded head d (25),
Standard force snesor (19), hydraulic cylinder (20) and fixed bottom plate (21)；The fixation bottom plate (21), hydraulic cylinder (20), standard
Force snesor (19) and hydraulic loaded head d (25) are fixedly connected sequentially as an entirety；The fixation bottom plate (21) is fixed
It is connected to and the movable beam (3) of tangential load plate (14) homonymy inside；The hydraulic loaded head b (22) is consolidated by nut
It is connected in vertical load plate (14)；
The centripetal loading force source device (I) can move down with tangential loading force source device IV along the vertical direction of column (2)
It is dynamic, realize that the movement of the position of power moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388514.9A CN108181046B (en) | 2017-12-21 | 2017-12-21 | A kind of controllable force source generating device for thrust vector measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711388514.9A CN108181046B (en) | 2017-12-21 | 2017-12-21 | A kind of controllable force source generating device for thrust vector measuring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108181046A true CN108181046A (en) | 2018-06-19 |
| CN108181046B CN108181046B (en) | 2019-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711388514.9A Active CN108181046B (en) | 2017-12-21 | 2017-12-21 | A kind of controllable force source generating device for thrust vector measuring system |
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Cited By (2)
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| CN109900479A (en) * | 2019-03-28 | 2019-06-18 | 大连理工大学 | A kind of six-vector power/torque loading device for simulated engine working condition |
| CN115077773A (en) * | 2022-04-26 | 2022-09-20 | 天津大学 | Device and method for measuring space vector force of space columnar object |
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| Publication number | Publication date |
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| CN108181046B (en) | 2019-10-29 |
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