CN110400506A - Multi-functional research mechanics comprehensive test analysis platform and implementation method - Google Patents
Multi-functional research mechanics comprehensive test analysis platform and implementation method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
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Abstract
The invention discloses a kind of multi-functional research mechanics comprehensive test analysis platform and implementation methods, wherein the platform includes: steel wire and reinforcing handwheel, steps up steel wire by rotation reinforcing handwheel and applies different size of power to thin-wall circular tube；Force snesor is placed in below reinforcing handwheel, is connect with steel wire, the force size of measurement reinforcing handwheel；Slide assemblies include pulley and sliding block, and steel wire passes through pulley, connect with thin-wall circular tube, pass through the Impact direction of adjusting slider position change thin-wall circular tube；Connecting lever is fixed on the predetermined position of thin-wall circular tube, and steel wire passes through connecting lever, for changing the size of the couple of thin-wall circular tube；Planar movement overarm brace is used to adjust the position of reinforcing handwheel, makes to reinforce handwheel alignment position, exert a force to half range frame；First-second base, for the size adjusting position according to half range frame, fixed half range frame.Integrated multiple experimental projects, freedom degree height, power and strain measurement precision height, load measurement integration may be implemented in the platform.
Description
Technical field
The present invention relates to advanced manufacturing technology field, in particular to a kind of multi-functional research mechanics comprehensive test analysis is flat
Platform and implementation method.
Background technique
In the related art, undergraduate's compulsory course " mechanics of materials " assay format is more single at present.It is most real
The component stress form tested is single stress form, and content is simple, is unfavorable for student and plays creativity in learning process.However
Stress form is mostly composite force form in practice, makes the serious operating condition that loses contact with reality of experiment, in other words, in Practical Project
Component, stress complex situations considerably beyond experimental piece on existing experimental project stress condition, under the conditions of existing
Student can not preferably study the stress problem in Practical Project, it is difficult to intergrate with practice engineering in course learning, by it is theoretical with
Practice combines.
In addition, the load and measurement of power are separated, and material mechanics experiments in most experiment platform on material mechanics
The measurement accuracy of platform is limited, and the load of experiment porch power can not provide multiple forms.
Therefore, how to make experiment can better closing to reality engineering, and can be by mechanics of materials major part theoretical knowledge
It is organically combined with practical implementation, it is urgently to be resolved that the machine of development, which meets the platform of the needs of multi-specialized,
Problem.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of multi-functional research mechanics comprehensive test analysis platforms.It should
Platform integrates multiple experiments, solves the problems, such as that experiment porch universality is poor, solves the problems, such as that experiment porch freedom degree is low, if
Meter more preferably experimental program, improves experimental precision, realizes the corresponding relationship of strain with stress, as experiment reference standard.
It is another object of the present invention to propose a kind of multi-functional research mechanics comprehensive test analysis platform embodiment party
Method.
In order to achieve the above objectives, one aspect of the present invention proposes multi-functional research mechanics comprehensive test analysis platform, packet
Include: steel wire and reinforcing handwheel, the reinforcing handwheel, by the displacement of rotation adjustment vertical direction, step up described using screw rod as axis
Steel wire changes to thin-wall circular tube force size；Force snesor, described force snesor one end are connected by screw rod and the reinforcing handwheel
It connects, the other end is connect with the steel wire, for measuring the force size of the reinforcing handwheel；Slide assemblies, the slide assemblies
Including pulley and sliding block, the steel wire passes through the pulley, and connect with the thin-wall circular tube, for by adjusting the sliding block
The Impact direction and torque size of thin-wall circular tube described in position change；Connecting lever, the connecting lever are fixed on the pre- of the thin-wall circular tube
If at position, and the steel wire passes through the connecting lever, for changing the size of the couple on the thin-wall circular tube；Planar movement is horizontal
Boom support is made reinforcing handwheel alignment position, is applied to half range frame for adjusting the position of the reinforcing handwheel
Power；First base and second base, for the size adjusting position according to the half range frame, with the fixation half range frame.
The multi-functional research mechanics comprehensive test analysis platform of the embodiment of the present invention, for axle power, shearing, torsion can be generated
The integrated experiment porch of square, moment of flexure, test content is abundant, and dismounting is flexible, and any combination, and can measure simultaneously
The strain of each internal force, and the corresponding relationship strained with stress is realized by experiment；And it measures axle power, shearing, torque, moment of flexure and answers
Miscellaneous stress so that experimentation is more nearly Practical Project student can intergrate with practice in learning process, consolidates deep
Change theoretical knowledge, enhances overall practical capability and innovation ability.
In addition, multi-functional research mechanics comprehensive test analysis platform according to the above embodiment of the present invention can also have
Additional technical characteristic below:
Further, in one embodiment of the invention, further includes: chassis, the chassis are equipped with first to third rail
Road, on the slide block, the sliding block is embedded in the first track, to change the stress side of the thin-wall circular tube for the pulley installation
To the first base and the second base are respectively embedded into second track and third track, according to the half range
The size adjustment base position of frame.
Further, in one embodiment of the invention, the arc-shaped shape of the first track, second track and
Three tracks are parallel to each other, and the marginal position apart from the chassis is identical.
Further, in one embodiment of the invention, the pedestal is additionally provided with the fixing end of thin-wall circular tube, wherein
The chassis is fixed in lower half portion, and with the half slot engaged with thin-wall circular tube, top half is again provided with and thin-wall circular tube
The half slot of engagement, two parts are screwed, to fix thin-wall circular tube.
Further, in one embodiment of the invention, the first base and the second base size and shape
All the same, upper end is the first to the second square hole, and the both ends of the half range frame is made to be inserted into described first respectively to second party
In shape hole, the half range frame is fixed.
Further, in one embodiment of the invention, one end of the connecting lever is third square hole, and the other end is drilled with
Multiple small sircle holes, the third square hole are stuck in the predetermined position of the thin-wall circular tube, and the steel wire passes through the multiple small
Circular hole, to change the different arm of forces.
Further, in one embodiment of the invention, the half range frame is in xOy plane by x-axis direction 2
Beam, 1, y-axis direction beam composition, the centroid axis of two neighboring beam are mutually perpendicular to, wherein are inserted into fixing end length by adjusting beam
X-axis direction length is controlled, and y-axis direction length is controlled by the half range frame of replacement different size, to meet different experiments
Condition.
Further, in one embodiment of the invention, according to the brachium of three beams and distance values progress
The big minor adjustment of half range frame.
Further, in one embodiment of the invention, further includes: first to fourth pillar, described first to fourth
Pillar one end is connect with the planar movement overarm brace, and the other end is connect with the chassis, for the planar movement is horizontal
Boom support is fixed with the chassis.
In order to achieve the above objectives, it is flat to propose a kind of multi-functional research mechanics comprehensive test analysis for another aspect of the present invention
Platform implementation method, comprising the following steps: rotation reinforcing handwheel steps up steel wire, exerts a force to thin-wall circular tube, to carry out axial drawing
It stretches experiment or stretches plus be bent composite force experiment；Acquire strain value caused by the first axle power or the first axle power and moment of flexure
Caused strain value；Change slide position or height, rotates the reinforcing handwheel again and step up the steel wire, to the thin-wall circular
Pipe carries out tilted direction force, to carry out Y-direction bending, Z-direction bending and axial tension composite force experiment；Acquire the second moment of flexure
With strain value caused by axle power；Connecting lever is installed on the thin-wall circular tube, and the steel wire is passed through into the connecting lever, and steel wire is not
It is then passed through pulley, the reinforcing handwheel is rotated again and steps up the steel wire, axial force even summation Z-direction is applied to the thin-wall circular tube
Concentrated force, to carry out torsion plus bending composite force experiment；Acquire strain value caused by the second torque and moment of flexure；Slip plane moves
Dynamic overarm brace adjusts the reinforcing handwheel to first base and second base；It is adjusted according to the size of half range frame
The position of the first base and the second base, and the half range frame is blocked；Rotation reinforcing handwheel is to the half range
The predeterminated position of frame applies Z-direction concentrated force；It acquires the second moment of flexure, torque and shears caused strain value.
The multi-functional research mechanics comprehensive test analysis platform implementation method of the embodiment of the present invention, for axis can be generated
Power, shearing, torque, moment of flexure integrated experiment porch, test content is abundant, dismounting flexibly, and any combination, and energy
Strain that is enough while measuring each internal force, and the corresponding relationship strained with stress is realized by experiment；And measure axle power, shearing, torsion
The complicated applied force state of square, moment of flexure so that experimentation is more nearly Practical Project student can contact in learning process
It is practical, consolidate in-depth theoretical knowledge, enhances overall practical capability and innovation ability.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of multi-functional research mechanics comprehensive test analysis platform structure schematic diagram provided by the invention, wherein
Connecting lever is not installed；
Fig. 2 is the multi-functional research mechanics comprehensive test analysis platform structure schematic diagram of another kind provided by the invention,
In, connecting lever has been installed；
Fig. 3 is the thin-wall circular tube front illustraton of model of one embodiment of the invention；
Fig. 4 is the thin-wall circular tube of one embodiment of the invention and the simulation connection figure of connecting lever, wherein Fig. 3 is only convex with Fig. 4
Show how connecting lever connect with thin-wall circular tube, Fig. 1 and Fig. 2 are true form；
Fig. 5 is the multi-functional research mechanics comprehensive test analysis platform implementation method flow of one embodiment of the invention
Figure.
Description of symbols: the multi-functional research mechanics comprehensive test analysis platform of 100-, 1- steel wire, 2- reinforcing handwheel,
3- force snesor, 4- slide assemblies, 5- connecting lever, 6- planar movement overarm brace, 7- first base, 8- second base, the chassis 9-,
The first pillar of 10-.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
It is flat that the multi-functional research mechanics comprehensive test analysis proposed according to embodiments of the present invention is described with reference to the accompanying drawings
Platform and implementation method describe the multi-functional research mechanics integration test proposed according to embodiments of the present invention with reference to the accompanying drawings first
Analysis platform.
Fig. 1 and 2 is the multi-functional research mechanics comprehensive test analysis platform structure signal of one embodiment of the invention
Figure.
As shown in Figs. 1-2, which includes: steel wire 1, reinforces handwheel
2, force snesor 3, slide assemblies 4, connecting lever 5, planar movement overarm brace 6, first base 7 and second base 8.
Wherein, reinforcing handwheel 2 is used to change by the length for stepping up steel wire 1 to thin-wall circular tube force size.Force snesor 3
One end is connect by screw rod with reinforcing handwheel 2, and the other end is connect with steel wire 1, for measuring the force size of reinforcing handwheel 2.It is sliding
Dynamic component includes pulley and sliding block, and steel wire 1 passes through pulley 4, and connect with thin-wall circular tube, thin by 4 position change of adjusting slider
The Impact direction and torque size of wall round tube.Connecting lever 5 is fixed on the predetermined position of thin-wall circular tube, and steel wire 1 passes through connecting lever 5,
For changing the size of the couple on thin-wall circular tube.Planar movement overarm brace 6 is used to adjust the position of reinforcing handwheel 2, makes to add
Power handwheel 2 exerts a force to half range frame.First base 7 and second base 8 are used for the size adjusting position according to half range frame,
To fix half range frame.The platform 100 of the embodiment of the present invention may be implemented integrated multiple experimental projects, freedom degree height, power and answer
It is high to become measurement accuracy, load measurement integration.
Specifically, reinforcing handwheel 2 is realized the displacement of vertical direction by rotation, changed to step up steel wire 1 using screw rod as axis
Become to thin-wall circular tube exert a force size, such as different angle rotation hand wheel pull up steel wire etc..
Further, the embodiment of the invention also includes chassis 9 and first to fourth pillars.Wherein, chassis be equipped with first to
Third track, pulley are mounted on sliding block, and sliding block 4 is embedded in the first track, to change the Impact direction of thin-wall circular tube, the first bottom
Seat 7 and second base 8 are respectively embedded into the second track and third track, according to the size adjustment base position of half range frame.
It should be noted that the arc-shaped shape of the first track, the second track and third track are parallel to each other, and apart from chassis 6
Marginal position it is identical.
In addition, pedestal is additionally provided with the fixing end of thin-wall circular tube in the embodiment of the present invention, wherein bottom is fixed in lower half portion
Disk, with the half slot engaged with thin-wall circular tube, top half is again provided with the half slot engaged with thin-wall circular tube, and two parts are logical
It crosses screw to fix, to fix thin-wall circular tube.
It should be noted that as shown in Figures 3 and 4, thin-wall circular tube one end is fixed by fixing end, and the other end can choose at it
Lower end, which adds support and adjusts proper height, realizes pure torsion experiment to balance moment of flexure.Its rectangle part can with connecting lever 5 provide torque,
Moment of flexure, shearing, the adjustable length of connecting lever 5 is to realize the adjusting of 5 size of the arm of force；6 end of connecting lever by with 3 phase of force snesor
Even steel wire to 6 end of connecting lever provide size can power measured directly, relevant parameter can be calculated according to torque formula.
Optionally, in one embodiment of the invention, first base 7 and 8 size and shape of second base are all the same, on
End is the first to the second square hole, is inserted into the both ends of half range frame respectively in the first to the second square hole, by half range frame
It is fixed.
Further, as shown in Figure 1, one end of connecting lever 3 is third square hole, the other end is drilled with 4 equidistant circular holes,
Third square hole is stuck in the predetermined position of thin-wall circular tube, and steel wire passes through multiple small sircle holes, to change the different arm of forces.
It is understood that as shown in Fig. 2, half range frame is made of in xOy plane 3 beams, in " [" font, it is adjacent
The centroidal axis of two beams is mutually perpendicular to, wherein fixing end length control x-axis direction length a can be inserted by adjusting beam, can be led to
The half range frame control y-axis direction length L for crossing replacement different size, the size of half range frame is adjusted by screw hole and screw.Its
In, the big minor adjustment of half range frame is carried out according to the brachium of three beams and distance values.
That is, two important parameter brachium a, spacing L of beam are adjusted by replacing screw hole, it can be according to experiment
It is required that the parameter that replacement is different, forms different experiment conditions.It should be noted that the screw hole in first hole and second hole
Position does not have screw hole on beam, on screw is directly pressed.
Specifically, the platform 100 of the embodiment of the present invention is tested two parts and is formed by thin-wall circular tube experiment and half range frame.
Experiment porch one: thin-wall circular tube experiment forms kinds of experiments item by control force type, size, direction etc.
Part, to carry out a variety of different Comprehensive Experiments, including the experiment of uni-axial tensile testing, stretch bending composite force, pure torsions is tested and curved
Turn round composite force experiment etc..
Now by slide assemblies be placed in thin-wall circular tube parallel position, by reinforcing handwheel 2 force make steel wire 1 step up pull thin-walled
Round tube, the power of reinforcing 2 lower section force snesor 3 of handwheel measurement horizontal direction, experimental implementation person calculate and record the size of axle power, will
Each component is restored to home position.
Sliding block is moved to predeterminated position, makes to reinforce handwheel 2 and exert a force to step up steel wire 1, pulls thin-wall circular tube, reinforce handwheel
2 lower section force snesors 3 measure the power of tilted direction, and experimental implementation person calculates and record the size of axle power and moment of flexure, and each component is extensive
Again to home position.
As shown in figure 4, being fixed on connecting lever 3 on thin-wall circular tube, and steel wire 1 is passed through into any one small sircle hole on connecting lever 3
(steel wire is no longer pass through pulley at this time), 2 one end of steel wire are connect with thin-wall circular tube, and the other end is connect with reinforcing handwheel 2, make to reinforce hand
2 force of wheel steps up steel wire 1, pulls thin-wall circular tube, and reinforcing 2 lower section force snesor 3 of handwheel measures applied concentrated force, experiment
Operator records moment of flexure, torque and shearing.Wherein, experimental implementation person can replace different small sircle holes according to requirement of experiment and measure not
Same torque.
Experiment porch two: the experiment of half range frame, point of application position, force size etc. are controllable, and rectangle boom device can be with
Realize multiple comprehensive experiments.
After having carried out thin-wall circular tube experiment, experimental implementation person all removes connecting lever 3, steel wire 1 and thin-wall circular tube, and
It reinforces and default pressure head is installed on handwheel 2, then slip plane moving beam bracket, reinforcing handwheel 2 is adjusted to first base 7
Above second base 8, while first base 7 and second base 8 adjust corresponding position according to the size of tested half range frame,
Half range frame is inserted into first base 7 and 8 upper end square hole of second base by experimental implementation person, and half range frame is made to be stuck, real
The handle that operator shakes reinforcing handwheel 2 is tested, makes to contact below to half range frame, exert a force to half range frame, is reinforced
2 lower section force snesor 3 of handwheel measures applied concentrated force, and experimental implementation person calculates and record moment of flexure, torque and shearing size
Value.Wherein, in the embodiment of the present invention, the double fixing ends of proposed adoption, reinforcing point position is arbitrarily selected, and the length and width of half range frame can be with
Adjustment, experimental implementation original can exert a force according to different location of the requirement of experiment to half range frame, also can adjust half range frame
Size, to obtain more measurement data.
Based on above-mentioned it is found that design of the embodiment of the present invention processes the comprehensive of the compound stress that measurement load is had a style of one's own
Conjunction property test platform, loading form diversification can load concentrated force in any position in xOy plane, maximum reachable
3000N.Different experimental projects may be implemented: 1) selecting hollow circular-tube as research object, it can be achieved that cantilever bending experiment of beam,
Uni-axial tensile testing, pure torsion experiment, crankling vibration experiment, stretch bending combination experiment, pulling force can be axially or non axial.2) more
It is half range rectangular frame for complicated research object, the double fixing ends of proposed adoption, reinforcing point position is arbitrarily selected, the length and width of frame
It is adjustable, it can be achieved that complicated applied force state abundant is, it can be achieved that different comprehensive experiment.To experimental implementation person
Experimental data can be obtained for above-mentioned platform, do a large amount of test analysis work, sum up the rule of each experimental project.
To sum up, traditional material mechanics experiment is primarily upon the deformation of material under single loading method, and there is no to complexity
Material or component under loading method carry out the experimental project of mechanical behavior research.The quasi- mechanics developed of the embodiment of the present invention is real
Testing platform may be implemented integrated multiple experimental projects, freedom degree height, power and strain measurement precision height, load measurement integration, in fact
Now strain the corresponding relationship with stress.It has the advantage that
(1) load and measurement of many kinds of force are realized.Many kinds of force load is so that experiment porch is more comprehensive.Measurement early period foot
Enough data are that data preparation is done in the foundation of power-strain corresponding relationship, and improves experimental precision to the maximum extent.
(2) experiment porch freedom degree is high.For example, the handwheel for loading moment of flexure can be in horizontal plane xOy using sliding block
It is free to slide, it can reinforce at an arbitrary position, freedom degree 2；Device for loading axle power can adjust position by arc orbit
It sets, to provide the pulling force of different directions, and then moment of flexure can be provided while axle power is provided.
(3) corresponding relationship of strain and stress is realized.It carries out that number is enough, precision sufficiently high experiment early period, utilizes
The corresponding relationship of strain with stress may be implemented in data, on the one hand may finally be even convenient for excluding as the reference of student experimenting
Right error, on the other hand show this corresponding relationship in the form of images, enable have when student experimenting it is more intuitive
Understand.
(4) experiment porch is able to carry out multiple experimental projects, including tests test with autonomous innovation within the class period, collects multiple experiments
In one, experiment porch universality is strong.
(5) it can flexibly dismount, any combination, accomplish that a machine meets a variety of demands.
The multi-functional research mechanics comprehensive test analysis platform proposed according to embodiments of the present invention, for axis can be generated
Power, shearing, torque, moment of flexure integrated experiment porch, test content is abundant, dismounting flexibly, and any combination, and energy
Strain that is enough while measuring each internal force, and the corresponding relationship strained with stress is realized by experiment, and measure axle power, shearing, torsion
The complicated applied force state of square, moment of flexure so that experimentation is more nearly Practical Project student can contact in learning process
It is practical, consolidate in-depth theoretical knowledge, enhances overall practical capability and innovation ability.
The multi-functional research mechanics comprehensive test analysis proposed according to embodiments of the present invention referring next to attached drawing description is flat
Platform implementation method.
Fig. 5 is the multi-functional research mechanics comprehensive test analysis platform implementation method flow of one embodiment of the invention
Figure.
As shown in figure 5, the implementation method the following steps are included:
In step sl, rotation reinforcing handwheel steps up steel wire, axial horizontal force is carried out to thin-wall circular tube, to carry out axial direction
Stretching experiment.
In step s 2, strain value caused by the first axle power is acquired.
In step s3, change slide position, rotation reinforcing handwheel steps up steel wire again, carries out tilted direction to thin-wall circular tube
Force, stretch plus be bent composite force experiment.
In step s 4, strain value caused by the second axle power and moment of flexure is acquired.
In step s 5, connecting lever is installed on thin-wall circular tube, and steel wire is passed through into connecting lever, and steel wire is no longer pass through pulley,
Rotation reinforcing handwheel steps up steel wire again, applies axial force even summation Z-direction concentrated force to thin-wall circular tube, to be reversed and be bent
Composite force experiment.
In step s 6, strain value caused by the second torque and moment of flexure is acquired.
In the step s 7, slip plane moving beam bracket make to reinforce handwheel adjust to first base and second base just on
Side.
In step s 8, the position of first base and second base is adjusted according to the size of half range frame, and by half range frame
Frame blocks.
In step s 9, rotation reinforcing handwheel applies concentrated force to the predeterminated position Z-direction of half range frame.
In step slo, the second moment of flexure, torque are acquired and shears caused strain value.
It should be noted that the aforementioned explanation to multi-functional research mechanics comprehensive test analysis platform embodiment
Suitable for the multi-functional research mechanics comprehensive test analysis platform implementation method, details are not described herein again.
The multi-functional research mechanics comprehensive test analysis platform implementation method proposed according to embodiments of the present invention, being can
The integrated experiment porch of axle power, shearing, torque, moment of flexure is generated, test content is abundant, and dismounting is flexible, and any combination,
And the strain of each internal force can be measured simultaneously, and realizes the corresponding relationship of strain with stress by experiment；And it measures axle power, cut
Power, torque, moment of flexure complicated applied force state allow student's energy in learning process so that experimentation is more nearly Practical Project
It enough intergrates with practice, consolidates in-depth theoretical knowledge, enhance overall practical capability and innovation ability.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of multi-functional research mechanics comprehensive test analysis platform characterized by comprising
Steel wire and reinforcing handwheel, the reinforcing handwheel, by the displacement of rotation adjustment vertical direction, step up described using screw rod as axis
Steel wire changes to thin-wall circular tube force size；
Force snesor, described force snesor one end are connect by screw rod with the reinforcing handwheel, and the other end is connect with the steel wire,
For measuring the force size of the reinforcing handwheel；
Slide assemblies, the slide assemblies include pulley and sliding block, and the steel wire passes through the pulley, and with the thin-wall circular tube
Connection, for changing the Impact direction and torque size of the thin-wall circular tube by adjusting the pulley position；
Connecting lever, the connecting lever is fixed on the predetermined position of the thin-wall circular tube, and the steel wire passes through the connecting lever, for changing
Become the size of the couple on the thin-wall circular tube；
Planar movement overarm brace, for adjusting the position of the reinforcing handwheel, make reinforcing handwheel alignment half range frame into
Row force；And
First base and second base, for the size adjusting position according to the half range frame, with the fixation half range frame.
2. multi-functional research mechanics comprehensive test analysis platform according to claim 1, which is characterized in that further include:
Chassis, the chassis are equipped with first to third track, and on the slide block, the sliding block is embedded in first for the pulley installation
In track, to change the Impact direction of the thin-wall circular tube, the first base and the second base are respectively embedded into described
In two tracks and third track, according to the size adjustment base position of the half range frame.
3. multi-functional research mechanics comprehensive test analysis platform according to claim 2, which is characterized in that described first
The arc-shaped shape of track, second track and third track are parallel to each other, and the marginal position apart from the chassis is identical.
4. multi-functional research mechanics comprehensive test analysis platform according to claim 2, which is characterized in that the pedestal
It is additionally provided with the fixing end of thin-wall circular tube, wherein the chassis is fixed in lower half portion, with the semicircle engaged with thin-wall circular tube
Slot, top half are again provided with the half slot engaged with thin-wall circular tube, and two parts are screwed, to fix thin-wall circular tube.
5. multi-functional research mechanics comprehensive test analysis platform according to claim 1, which is characterized in that described first
Pedestal and the second base size and shape are all the same, and upper end is the first to the second square hole, make the half range frame
Both ends are inserted into respectively in the first to the second square hole, and the half range frame is fixed.
6. multi-functional research mechanics comprehensive test analysis platform according to claim 1, which is characterized in that the connecting lever
One end be third square hole, the other end is drilled with multiple small sircle holes, and the third square hole is stuck in the default of the thin-wall circular tube
At position, the steel wire passes through the multiple small sircle hole, to change the different arm of forces.
7. multi-functional research mechanics comprehensive test analysis platform according to claim 1, which is characterized in that the half range
Frame is made of in xOy plane 2 beams of x-axis direction, 1, y-axis direction beam, and the centroid axis of two neighboring beam is mutually perpendicular to,
In, it is inserted into fixing end length control x-axis direction length by adjusting beam, and y is controlled by the half range frame of replacement different size
Axis direction length, to meet different experiment conditions.
8. multi-functional research mechanics comprehensive test analysis platform according to claim 7, which is characterized in that according to described
The brachium and distance values of three beams carry out the big minor adjustment of the half range frame.
9. multi-functional research mechanics comprehensive test analysis platform according to claim 1, which is characterized in that further include:
First to fourth pillar, first to fourth pillar one end are connect with the planar movement overarm brace, the other end with
The chassis connection, for fixing the planar movement overarm brace with the chassis.
10. a kind of multi-functional research mechanics comprehensive test analysis platform implementation method, using described in the claims 1-9
Any one of multi-functional research mechanics comprehensive test analysis platform, which comprises the following steps:
Rotation reinforcing handwheel steps up steel wire, exerts a force to thin-wall circular tube, to carry out uni-axial tensile testing or stretch plus be bent
Composite force experiment；
Acquire strain value caused by strain value caused by the first axle power or the first axle power and moment of flexure；
Change slide position or height, rotate the reinforcing handwheel again and step up the steel wire, the thin-wall circular tube is carried out oblique
Direction force, to carry out Y-direction bending, Z-direction bending and axial tension composite force experiment；
Acquire strain value caused by the second moment of flexure and axle power；
Connecting lever is installed on the thin-wall circular tube, and the steel wire is passed through into the connecting lever, and steel wire is no longer pass through pulley, again
It rotates the reinforcing handwheel and steps up the steel wire, axial force even summation Z-direction concentrated force is applied to the thin-wall circular tube, to be turned round
Turn plus bending composite force is tested；
Acquire strain value caused by the second torque and moment of flexure；
Slip plane moving beam bracket adjusts the reinforcing handwheel to first base and second base；
Adjust the position of the first base and the second base according to the size of half range frame, and by the half range frame card
Firmly；
Rotation reinforcing handwheel applies Z-direction concentrated force to the predeterminated position of the half range frame；
It acquires the second moment of flexure, torque and shears caused strain value.
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| CN114813304A (en) * | 2022-04-21 | 2022-07-29 | 淮安市计量测试中心 | Internal force instrument detection device |
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