CN110501125A - A kind of flexible support torsion stiffness parameter Simplified Test Equipment and test method - Google Patents
A kind of flexible support torsion stiffness parameter Simplified Test Equipment and test method Download PDFInfo
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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
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses a kind of flexible support torsion stiffness parameter Simplified Test Equipments, it include: the pedestal for fixing flexible support to be measured, for applying the force component of torque, and the detection components for detecting flexible support to be measured generated deformation under external torque effect to flexible support to be measured；The detection components include displacement sensor and horizontal displacement amplification bar；One end of the horizontal displacement amplification bar is fixed on the upper surface of flexible support to be measured, and the center line of the horizontal displacement amplification bar intersects with the axis of flexible support to be measured, and institute's displacement sensors detect the displacement of the other end of the horizontal displacement amplification bar.The invention also discloses a kind of flexible support torsion stiffness parameter simple method for testing bacterial resistance.The present invention can obtain the measurement data of multiple groups flexible support torsion stiffness by the gravity of change standard precision weights to adjust the load for being applied to flexible support to be measured, seek the mean value of surveyed torsion stiffness data, be greatly improved the precision of surveyed rigidity.
Description
Technical field
The present invention relates to a kind of torsion stiffness parameter test device and test method, in particular to a kind of flexible support torsion
Stiffness parameters Simplified Test Equipment and test method.
Background technique
Flexible support is to be combined to constitute by series-parallel mode as basic unit by flexible hinge.
Flexible support with no backlash, without friction, gapless, noiseless, without abrasion, bulk is small, autokinesis
High, many advantages, such as being easy to control, is stable.It is obtained extensively in numerous areas such as aerospace, robot, optics, bioengineering
Application, be precision machinery, fine measuring instrument, the critical elements in micro-nano device.Such as pose adjustment in spacecraft
Adaptive adjustment mechanism in mechanism, astronomical telescope, on spacecraft microwave antenna aligning guide, solar energy sailboard folding machine
Structure, Research on Robot Wrist Force Sensor, high-precision small-range torque sensor etc..
Flexible support rigidity is divided into operative orientation rigidity and inoperative directional stiffness, and operative orientation is included in MXAnd MYWork
Under, rotation of the flexible support around X-axis and Y-axis；Inoperative direction is included in MZUnder the action of flexible support about the z axis small turn
It moves and in FZUnder the action of flexible support along Z axis dilatation.Flexible support is in MZThe lower deformation of effect is minimum, and is not easy to apply
MZ。
Flexible support follows small deformation hypothesis, it is assumed that and flexible support one end is relatively fixed end, and the other end is free end,
The measuring principle of torsion stiffness is recklessly can law.The torsion stiffness K of flexible support is equal to the torque M that its free end is subject toZWith
The ratio of free end angular deformation θ.The test of flexible support torsion stiffness only needs to obtain flexible hinge by the size of torque and oneself
By end angular deformation amount.
Currently, the structure of some flexible support torsion stiffness test devices is more complicated, especially to flexible support to be measured
Apply the force component of torque, and the detection group of detection flexible support to be measured generated deformation under external torque effect
The higher cost of part, manufacture or purchase, inconvenience use, and some structures are simple but repeatedly cannot apply torque and detection by accurate quantification
Deflection, so that the detection accuracy of flexible support torsion stiffness is relatively low.
Summary of the invention
The present invention be solve well-known technique present in technical problem and provide a kind of manufacturing cost it is low, it is easy to operate and examine
Survey flexible support torsion stiffness parameter Simplified Test Equipment with high accuracy and test method.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of flexible support is turned round
Turn stiffness parameters Simplified Test Equipment, comprising: for fixing the pedestal of flexible support to be measured, for applying to flexible support to be measured
The force component of torque, and the detection group for detecting flexible support to be measured generated deformation under external torque effect
Part；The detection components include displacement sensor and horizontal displacement amplification bar；One end of the horizontal displacement amplification bar is fixed on
The center line of the upper surface of flexible support to be measured, the horizontal displacement amplification bar intersects with the axis of flexible support to be measured, described
Displacement sensor detects the displacement of the other end of the horizontal displacement amplification bar.
Further, the force component includes horizontal conveyor bar and two force-applying brackets；The upper end of flexible support to be measured
The affixed horizontal conveyor bar of face central symmetry；Two force-applying brackets are symmetrically set centered on the axle center of flexible support to be measured
It sets；Each force-applying bracket top is equipped with pulley；The pulley is wrapped with flexible wires；One end of the flexible wires and the water
The end vertical for lever of flating pass is fixed, and the other end of the flexible wires is connected with counterweight.
Further, the horizontal conveyor bar, is square-column-shaped, affixed by bolt with flexible support to be measured；It two
It holds and is symmetrically provided with through-hole in horizontal direction, the axis of the through-hole is parallel with end face, and the flexible wires are solid after the through-hole
It is fixed.
Further, the pulley includes bearing；The inner ring of the bearing is fixed on the force-applying bracket, the bearing
Outer surface be equipped with groove；The flexible wires solderless wrapped connection is in the groove.
Further, the length of the horizontal conveyor bar is 2.0~2.5 times of flexible support perimeter to be measured, the level
Drive rod is bar made of structural steel.
Further, the horizontal displacement amplification bar is in slender type, and one end is solid by bolt and the horizontal conveyor bar
It connects.
Further, the pedestal is fixed on optical platform, and the detection components and the force component are fixed on institute
It states on pedestal or the optical platform.
It further, further include data processing equipment；The data processing equipment includes data processor and display；Institute
It states data processor and receives the signal from the detection components, the display is outputed signal to after processing and is shown.
The present invention also provides a kind of flexible support torsion stiffness parameter simple method for testing bacterial resistance, this method are as follows: by flexibility to be measured
It is supported and fixed on a pedestal；Torque is applied to flexible support to be measured, one end of horizontal displacement amplification bar is fixed on to be measured
The upper surface of flexible support intersects the center line of the horizontal displacement amplification bar with the axis of flexible support to be measured, using position
Displacement sensor detects the displacement of the other end of the horizontal displacement amplification bar, and displacement is then converted into flexible support to be measured
Torsion stiffness.
Further, torque is applied to flexible support to be measured method particularly includes: solid in the upper surface of flexible support to be measured
A horizontal conveyor bar is connect, is overlapped the horizontal conveyor bar vertical center line with the axis of flexible support to be measured；With flexibility to be measured
Two force-applying brackets are symmetrical arranged centered on the axle center of support, each force-applying bracket top is equipped with pulley；The pulley around
It is connected to flexible wires；One end of the flexible wires and the end of the horizontal conveyor bar are fixed, the other end connection of the flexible wires
There is counterweight；By changing counterweight, apply different torques to flexible support to be measured.
The advantages and positive effects of the present invention are: the present invention can make flexible branch to be measured using horizontal displacement amplification bar
The small torsional deflection amount amplification of support, convenient for measurement and captures, the present invention can accurately detect the upper end of flexible support to be measured
The small torsional deflection amount in face, to calculate the torsion stiffness parameter of flexible support to be measured.Present apparatus structure is simple, passes through mark
Low cost, high-precision flexible support torsion stiffness have been built in the cooperation of quasi- precision weights and high precision laser displacement sensor
Parameter test device；The present apparatus can adapt to the measurement of the flexible support torsion stiffness of different size different shape cylindrical bodies；
The present invention is passed through by the gravity of change standard precision weights to adjust the load for being applied to flexible support to be measured
The counterweight for hanging different quality, can obtain the measurement data of multiple groups flexible support torsion stiffness, seek surveyed torsion stiffness number
According to mean value, be greatly improved the precision of surveyed rigidity.The present invention can be used for verifying flexible support torsion stiffness economics analysis mould
The accuracy of type and FEM Numerical Simulation provides quantitative basis for the transmission performance of flexible support.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of flexible support to be measured；
Fig. 3 is horizontal conveyor bar stress deformation schematic diagram of the invention；
In figure: 1- bearing；2- counterweight；3- force-applying bracket；Bar is amplified in 4- horizontal displacement；5- laser displacement sensor；6- is passed
Sensor bracket；7- pedestal；8- flexible support to be measured；9- horizontal conveyor bar；The both ends through hole center of L- horizontal conveyor bar away from.
Specific embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following embodiment, and cooperate attached drawing
Detailed description are as follows:
Referring to Figure 1 to Fig. 3, a kind of flexible support torsion stiffness parameter Simplified Test Equipment, comprising: to be measured for fixing
The pedestal 7 of flexible support 8 is propped up for applying the force component of torque to flexible support 8 to be measured, and for detecting flexibility to be measured
The detection components of the generated deformation under external torque effect of support 8；The detection components include displacement sensor and horizontal position
Move amplification bar 4；One end of the horizontal displacement amplification bar 4 is fixed on the upper surface of flexible support 8 to be measured, and the horizontal displacement is put
The center line of big bar 4 intersects with the axis of flexible support 8 to be measured, and institute's displacement sensors detect the horizontal displacement and amplify bar 4
The other end displacement.Institute's displacement sensors can be laser displacement sensor 5；The laser displacement sensor 5 is mounted on
On sensor stand 6.The laser displacement sensor 5, is directed at the end center of the horizontal displacement amplification bar 4, and measurement is horizontal
The displacement of the end center of displacement equations bar 4.Flexible support 8 to be measured can be cylindrical body, for example can be cylindrical body, cylindroid
Body.
The component that exerts a force applies torque to flexible support 8 to be measured, makes 8 torsional deformation of flexible support to be measured, flexible support 8 to be measured
Upper surface twist, one end of horizontal displacement amplification bar 4 is fixed on the upper surface of flexible support 8 to be measured, the water
The other end of flat displacement equations bar 4 will be rotated with the upper surface of flexible support 8 to be measured, to generate displacement, which will be to
Survey the torsional deflection amount amplification of the upper surface of flexible support 8, the other end of the ratio of amplification and horizontal displacement amplification bar 4
Axle center distance apart from flexible support 8 to be measured is related.Institute's displacement sensors detect the other end of the horizontal displacement amplification bar 4
Displacement, can derive the torsional deflection amount of the upper surface of flexible support 8 to be measured.It can be turned round according to flexible support 8 to be measured
Turn deflection to come the torsion stiffness parameter that calculates flexible support 8 to be measured.It can accurately be examined using horizontal displacement amplification bar 4
Survey the small torsional deflection amount of the upper surface of flexible support 8 to be measured.
The force component may include horizontal conveyor bar 9 and two force-applying brackets 3；In the upper surface of flexible support 8 to be measured
The symmetrical affixed horizontal conveyor bar 9 of the heart；The i.e. described horizontal conveyor bar 9 is symmetrically solid centered on the axle center of flexible support 8 to be measured
It connects in flexible support upper surface to be measured；Two force-applying brackets 3 are symmetrical arranged centered on the axle center of flexible support 8 to be measured；
Each 3 top of the force-applying bracket is equipped with pulley；The pulley is wrapped with flexible wires；One end of the flexible wires and the level
The end vertical of drive rod 9 is fixed, and the other end of the flexible wires is connected with counterweight 2.The horizontal conveyor bar 9 can pass through spiral shell
Bolt is fixed on the upper surface edge of flexible support 8 to be measured, remoter with the axle center of flexible support 8 to be measured, and same pulling force applies
Torque compare it is larger.By flexible wires and pulley, the gravity of counterweight 2 can be changed into the end to the horizontal conveyor bar 9
The pulling force in portion, and then it is converted to the torque applied to flexible support 8 to be measured.
The force component may be other structures, which, which can quantify to flexible support 8 to be measured, applies torque,
Make 8 torsional deformation of flexible support to be measured.
The horizontal conveyor bar 9 can be square-column-shaped, can be affixed by bolt with flexible support 8 to be measured；Its both ends in
Horizontal direction can symmetrically be provided with through-hole, and the axis of the through-hole is parallel with end face, and the flexible wires are consolidated after may pass through the through-hole
It is fixed.High-power line can be used in the flexible wires, and line footpath is smaller than 1mm, and through-hole aperture can be matched with the flexible wires line footpath, can be omited
Greater than line footpath.The flexible wires can be by knotting after may pass through the through-hole, or ties up on the objects such as a quarter butt, makes described soft
Property line cannot be pulled out from the through-hole, kept one end and the horizontal conveyor bar 9 relatively fixed, cannot be loosened.The horizontal biography
9 both ends of lever can symmetrically be provided with through-hole in horizontal direction, which may insure that one end of the flexible wires and the level pass
The end vertical of lever 9, the flexible wires are fixed again after may pass through the through-hole, can make the pulling force to the horizontal conveyor bar 9
Perpendicular to the horizontal conveyor bar 9.
The pulley may include bearing 1；The inner ring of the bearing 1 can be fixed on the force-applying bracket 3, the bearing 1
Outer surface can be equipped with groove；The flexible wires can solderless wrapped connection in the groove.The slot bottom of the groove is away from ground level, with institute
It is identical away from ground level to state the through hole center across the flexible wires that 9 both ends of horizontal conveyor bar open up.It can be made using bearing
The flexible wires and the groove do not generate relative friction forces, reduce the loss that Weight gravity is converted to the power during pulling force.
The length of the horizontal conveyor bar 9 can be 2.0~2.5 times of 8 perimeter of flexible support to be measured, the horizontal conveyor bar
9 can be bar made of structural steel.The length of the horizontal conveyor bar 9 is unsuitable too long, too long easily-deformable, with the standard essence
The increase of close counterweight 2 is also being gradually increased the pulling force of horizontal conveyor bar 9, and the deformation of horizontal conveyor bar 9 increases with it, deformation
The too big verticality for influencing pulling force and horizontal conveyor bar 9 of amount, refers to Fig. 3, so that moment M suffered by carrier bar=mgL reduces,
Increase the error of surveyed torsion stiffness parameter.
The horizontal displacement amplification bar 4 can be in slender type, and one end can be affixed by bolt and the horizontal conveyor bar 9,
Its other end can be less than the vertical plate of 0.5mm for front and back thickness.The laser displacement sensor 5 described in this way can aligned perpendicular piece, survey
The distance that vertical plate is moved forward and backward is measured, vertical plate is relatively thin, is equivalent to the mobile distance of 9 end center of horizontal conveyor bar.
Further, the pedestal 7 can be fixed on optical platform, and the detection components and the force component can be fixed
On the pedestal 7 or the optical platform, keep measurement accuracy higher.
Further, it may also include data processing equipment；The data processing equipment includes data processor and display；
The data processor can receive the signal from the detection components, and the display is outputed signal to after processing and is shown
Show.The number that single-chip microcontroller, industrial computer etc. realize the functions such as data input, calculating, storage and output can be used in data processor
According to processing equipment.Product in the prior art can be selected in single-chip microcontroller, industrial computer, display.
Structure of the invention, workflow and its work are further illustrated below according to a preferred embodiment of the present invention
Make principle:
A kind of measuring device of flexible support torsion stiffness parameter, the measuring device are mounted on optical platform.The measurement
Device includes: bearing 1, standard precision weights 2, force-applying bracket 3, horizontal displacement amplification bar 4, laser displacement sensor 5, sensor
Bracket 6, pedestal 7, horizontal conveyor bar 9, flexible wires, data processing equipment etc..Each part function is specifically described as follows:
The fixation of flexible support 8 to be measured: the pedestal 7, which will be bolted, to be fixed on optical platform, will be to be measured soft
Property support 8 be bolted and be fixed on the pedestal 7, bolt will be uniformly distributed.
Flexible support 8 to be measured selects cylindrical body, and upper and lower ends are provided with mounting hole, 8 lower end of flexible support to be measured with it is described
Pedestal 7 is bolted with fixation flexible support 8 to be measured.
9 shape of horizontal conveyor bar is square body, and fixation is bolted with the upper end of flexible support 8 to be measured；Water
9 both ends of lever of flating pass symmetrically are provided with through-hole, are connected with horizontal displacement amplification bar 4 by bolt at the center of horizontal conveyor bar 9.
The horizontal displacement amplification bar 4 is in slender type, and an end face is provided with threaded hole.The part material must select density small just
Degree is high, in order to reduce itself because of deformation caused by gravity.
The lower end of the force-applying bracket 3 can be provided with through-hole, can be bolted and fix with the pedestal 7；It is described
The upper side of force-applying bracket 3 is provided with the inner ring that threaded hole is bolted and fixes the bearing 1.1 appearance of bearing
Face is circumferentially with groove, and the slot bottom of groove is away from the height of optical platform, and the through hole center with 9 both ends of horizontal conveyor bar is away from light
The height for learning platform is consistent.
Flexible wires by the through-hole of the horizontal conveyor bar 9, solderless wrapped connection in 1 surface groove of bearing, then with it is described
Standard precision weights 2 connects, pulling force of 9 both ends of horizontal conveyor bar by two different directions, i.e., the gravity of the described counterweight 2,
The gravity of counterweight 2 is converted to pulling force, applies torque to flexible support 8 to be measured, the quality of both ends counterweight 2 is equal.
Sensor stand 6, which is bolted, to be fixed on the pedestal 7；The laser displacement sensor 5 is fixed on institute
It states on 5 bracket of laser displacement sensor, the laser displacement sensor 5 can be directed at the end side of the horizontal displacement amplification bar 4
Face measures.
One of present invention flexible support torsion stiffness parameter measuring apparatus is mainly exerted a force by the counterweight 2, simultaneously
Based on the deformation detection component that laser displacement sensor 5 is built, the deflection of real-time measurement flexible support 8 to be measured is finally utilized
Hooke's law acquires the torsion stiffness parameter of flexible support 8 to be measured.
Pedestal 7 is bolted first and is fixed on optical platform, then passes through the lower end of flexible support 8 to be measured
It is bolted and is fixed on pedestal 7, then horizontal conveyor bar 9 is bolted to the upper surface for being fixed on flexible support 8 to be measured；
The lower end of two force-applying brackets 3 is bolted and is fixed on pedestal 7, two force-applying brackets 3 include the first force-applying bracket
With the second force-applying bracket, the first force-applying bracket and the second force-applying bracket are arranged symmetrically about the eccentric axial of flexible support 8 to be measured,
The bearing of first force-applying bracket installation is known as first bearing, and the bearing of the second force-applying bracket installation is known as second bearing, by first
Bearing and second bearing, which pass through bolt respectively and be correspondingly connected with, to be fixed on the first force-applying bracket and the second force-applying bracket；Use flexible wires
One end knots after the through-hole of 9 end of horizontal conveyor bar, or around knot on horizontal conveyor bar 9, so that flexible wires one end passes through
Through-hole and fixation cannot be pulled out out of through-hole, and the flexible wires other end is hung vertically on bearing by the groove surfaces of bearing,
Lower end can set ring, hang standard precision weights 2,.The flexible wires at 9 both ends of horizontal conveyor bar, corresponding solderless wrapped connection is in the recessed of first bearing
In the groove surfaces of rooved face and second bearing.
After the completion of installation process, the standard precision weights 2 of the first force-applying bracket and the second force-applying bracket suspension equal mass,
Flexible wires pass through the conversion of bearing 1, so that the gravity of standard precision weights 2 becomes the horizontal pull to horizontal conveyor bar 9, and two
It holds pulling force equal in magnitude contrary, a torque M can be generated to horizontal conveyor bar 9 under the action of two pulling forceZ, pass through spiral shell
Bolt is transmitted to flexible support 8 to be measured, and flexible support 8 to be measured is in torque MZUnder the action of can occur minor rotation, drive horizontal pass
Lever 9 and horizontal displacement amplification bar 4 rotate, and horizontal displacement amplifies the rotation of bar 4 so that its end center is subjected to displacement.It can
The displacement Δ x of its end center is measured by laser displacement sensor 5.
The displacement Δ x that bar 4 is amplified in horizontal displacement is measured by laser displacement sensor 5, records one end standard essence at this time
The quality m of close counterweight 2.Then the torsion stiffness of flexible support 8 to be measured is
L in above formula1For the distance of 9 through-hole of horizontal conveyor bar to the center, it is equivalent to the both ends through-hole of horizontal conveyor bar
Half of the center away from L, i.e. L1=1/2L, L2Horizontal displacement is surveyed by laser displacement sensor 5 and amplifies 4 end face center of bar to be measured
The distance at 8 center of flexible support.
The displacement Δ x ' that its end sides can also be measured by laser displacement sensor 5, is then convert into Δ x.
Continue the standard precision weights 2 in quality such as the both ends of flexible wires additions, iterates through the survey of laser displacement sensor 5
The displacement Δ x of horizontal displacement amplification bar 4 is obtained, and records the quality m of displacement Δ x and standard precision weights 2, can be measured more
Group flexible support torsion stiffnessA series of torsion stiffness value averageds of gained, flexible support 8 as to be measured are reversed
Rigidity.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (10)
1. a kind of flexible support torsion stiffness parameter Simplified Test Equipment characterized by comprising for fixing flexible branch to be measured
The pedestal of support, for the force component to flexible support to be measured application torque, and for detecting flexible support to be measured in outside
The detection components deformed caused by torque effect is lower；The detection components include displacement sensor and horizontal displacement amplification bar；
One end of the horizontal displacement amplification bar is fixed on the upper surface of flexible support to be measured, the center line of the horizontal displacement amplification bar
Intersect with the axis of flexible support to be measured, institute's displacement sensors detect the displacement of the other end of the horizontal displacement amplification bar
Amount.
2. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 1, which is characterized in that the force
Component includes horizontal conveyor bar and two force-applying brackets；The affixed horizontal conveyor of the upper surface central symmetry of flexible support to be measured
Bar；Two force-applying brackets are symmetrical arranged centered on the axle center of flexible support to be measured；Each force-applying bracket top is set
There is pulley；The pulley is wrapped with flexible wires；One end of the flexible wires and the end vertical of the horizontal conveyor bar are fixed, institute
The other end for stating flexible wires is connected with counterweight.
3. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 2, which is characterized in that the level
Drive rod is square-column-shaped, affixed by bolt with flexible support to be measured；Its both ends is symmetrically provided with through-hole in horizontal direction,
The axis of the through-hole is parallel with end face, and the flexible wires are fixed after passing through the through-hole.
4. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 2, which is characterized in that the pulley
Including bearing；The inner ring of the bearing is fixed on the force-applying bracket, and the outer surface of the bearing is equipped with groove；The flexibility
Line solderless wrapped connection is in the groove.
5. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 2, which is characterized in that the level
The length of drive rod is 2.0~2.5 times of flexible support perimeter to be measured, and the horizontal conveyor bar is bar made of structural steel.
6. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 2, which is characterized in that the level
Displacement equations bar is in slender type, and one end is affixed by bolt and the horizontal conveyor bar.
7. flexible support torsion stiffness parameter Simplified Test Equipment according to claim 1, which is characterized in that the pedestal
It is fixed on optical platform, the detection components and the force component are fixed on the pedestal or the optical platform.
8. flexible support torsion stiffness parameter Simplified Test Equipment according to any one of claims 1 to 7, which is characterized in that
It further include data processing equipment；The data processing equipment includes data processor and display；The data processor receives
Signal from the detection components outputs signal to the display and is shown after processing.
9. a kind of flexible support torsion stiffness parameter simple method for testing bacterial resistance, which is characterized in that flexible support to be measured is fixed on one
On pedestal；Torque is applied to flexible support to be measured, one end of horizontal displacement amplification bar is fixed on the upper of flexible support to be measured
End face is intersected the center line of the horizontal displacement amplification bar with the axis of flexible support to be measured, is detected using displacement sensor
Displacement, is then converted into the torsion stiffness of flexible support to be measured by the displacement of the other end of the horizontal displacement amplification bar.
10. flexible support torsion stiffness parameter simple method for testing bacterial resistance according to claim 9, which is characterized in to be measured
Flexible support applies torque method particularly includes: in the affixed horizontal conveyor bar in the upper surface of flexible support to be measured, makes the water
Lever of flating pass vertical center line is overlapped with the axis of flexible support to be measured；It is symmetrical arranged centered on the axle center of flexible support to be measured
Two force-applying brackets, each force-applying bracket top are equipped with pulley；The pulley is wrapped with flexible wires；The one of the flexible wires
It holds and is fixed with the end of the horizontal conveyor bar, the other end of the flexible wires is connected with counterweight；By changing counterweight, to be measured
Flexible support applies different torques.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760945.6A CN110501125A (en) | 2019-08-16 | 2019-08-16 | A kind of flexible support torsion stiffness parameter Simplified Test Equipment and test method |
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| CN117804766A (en) * | 2024-02-28 | 2024-04-02 | 安徽瑞控信光电技术股份有限公司 | Testing device and testing method for flexible supporting structure for quick reflection mirror |
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| CN113447371A (en) * | 2021-06-10 | 2021-09-28 | 中南大学 | High-precision testing method for equivalent statics torsion parameters of dot matrix plates |
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