CN207248713U - A kind of centrifugal micro- force test system of milli ox level - Google Patents
A kind of centrifugal micro- force test system of milli ox level Download PDFInfo
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- CN207248713U CN207248713U CN201721129214.4U CN201721129214U CN207248713U CN 207248713 U CN207248713 U CN 207248713U CN 201721129214 U CN201721129214 U CN 201721129214U CN 207248713 U CN207248713 U CN 207248713U
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Abstract
The utility model discloses a kind of centrifugal micro- force test system of milli ox level, including base, test platform component is set on base, high frame number video imaging system component and electric machine assembly, wherein high frame number video imaging system component includes being placed in the high frame number CCD camera directly over test platform component, high frame number CCD camera is fixed by horizontally disposed high frame number CCD camera stent, high frame number CCD camera bracket end is connected by ball-screw sliding block with three groups of ball-screw screws respectively, three groups of ball-screw screws are uniformly distributed around base center, every ball-screw screw passes through two ball-screw strut supports, ball-screw strut upper and lower ends are fixed.The utility model can accurately test the milli ox level frictional force tested insect and produced on test material surface, adhesive force etc., have significant stability and accuracy.
Description
Technical field
Utility model is related to micro- force test system technical field, especially a kind of centrifugal micro- force test system of milli ox level.
Background technology
, it is necessary to test the bodies such as beetle, moth, ant during research mechanization trapping sliding administers agricultural disaster insect
Type compared with small insect when the adhesive force of the generation of material surface, frictional force are when Mechanical Data, if take using force cell as
The conventional test technique and method of core component, then be difficult to realize the accurate test of the micro- power of milli ox level.Currently known dynamometry system
Core cell is force cell used by system, and the range of sensor, resolution ratio directly determine the measurement model of dynamometric system
Enclose and measurement accuracy.Chinese patent CN 1760662A disclose 2 D force transducer in small measurement range, can measure horizontal direction at the same time
With the power in vertical direction, there is simple in structure, elastomer overall stiffness height, have overcurrent protection structure, safety and reliability
The advantages that high.But since the resolving power of the normal force of the sensor, tangential force is 9.8 mN, relatively it is adapted to the bodies such as measurement gecko
The power that the larger animals' pad of type produces, exists for builds such as beetle, ant, moths compared with power caused by small insect, the sensor
Precision aspect can not meet demand.Chinese patent CN 100412521C disclose the three-dimensional force sensor that range is 0-1.5N,
There is simple in structure, high sensitivity, spider, insect, gecko can be measured and creeped caused contact force.The three-dimensional force
The resolving power of sensor is 1mN, and the power produced for small insects such as ants, measuring accuracy cannot still be met the requirements；Surveying
, it is necessary to which several sensors composition array, significantly improves dynamometric system when measuring the power that the whole attachment systems of insect produce
Cost.
At present, for the micro- force test system measurement accuracy of existing sensor it is not high the problem of, in the market occur not with
Force cell is micro- force test system of core component.Inventor, which submits, have been applied on a kind of centrifugal micrometer Force system
Patent of invention（Application number：201210577820.8）, which includes engine base, speed regulating motor, rotating speed controls and display unit, connection
Axis device, test platform, height adjustable connecting rod and high frame number video monitoring system.The measurement accuracy of micro- force test system is in theory
0 .01mN is reached as high as, can solve the problems, such as that the resolving power of existing force cell and dynamometric system is low；There is structure at the same time
Simply, it is easy to operate, test scope is big, resolving power is high, the advantages that having a wide range of application.But the system that foregoing invention patent refers to,
Since motor and engine base are structure as a whole, motor mounting rack is using unsymmetric structure, the vibration meeting of motor in measurement
The acquisition precision of high frame number video monitoring system is influenced, so that the measurement to the centrifugal movement track of insect produces error, is influenced
The test accuracy of system.
The centrifugal milli ox scale that the authorized utility model patent ZL201620712022.5 of patent application people is related to
Micro- force test system, the micrometer Force system include base disk and speed regulating motor, and base disk passes through electric machine support and speed governing electricity
Machine connects, and the test platform that is arranged in parallel with base disk is equipped with the output shaft of speed regulating motor, test platform just on
Side is equipped with video monitor, and the center of base disk is equipped with through hole, and speed regulating motor is placed in through hole, and in speed regulating motor
It is fitted close between through hole.The micrometer Force system can eliminate motor to greatest extent by the Optimal improvements in overall structure
Vibrate the influence to test result, it is possible to increase the reliability and stability of measurement.But what above-mentioned utility model patent referred to
Micrometer Force system, for obtaining the high frame number video monitoring system of test object centrifugal movement radius information when height is adjusted,
What is relied on is the through hole between connecting rod, and the accuracy of adjusting is low；In addition, be fixedly mounted the connecting rod of high frame number video monitoring system with
Base directly contacts, and vibration caused by motor operating passes to high frame number video monitoring system to a certain extent, aggravates shadow
Collection clarity of the high frame number video monitoring system to test platform image is rung, and then restricts test object centrifugal movement radius letter
The accurate acquisition of breath, finally seriously affects the accuracy of this micrometer Force system measurement result.It is therefore desirable to keep centrifugal
On the basis of micro- power test philosophy, the overall structure of system is further optimized, especially optimizes high frame number video monitoring system
Height adjustment mechanism, to improve the accuracy of measurement result to greatest extent.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of centrifugal micro- force test system of milli ox level, the system energy
Milli ox level frictional force, adhesive force that accurately test test insect produces on test material surface etc. is reached, there is significant stability
And accuracy.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of centrifugal micro- power of milli ox level
Test system, it is characterised in that including base, set on base test platform component, high frame number video imaging system component and
Electric machine assembly, wherein high frame number video imaging system component includes being placed in the high frame number CCD shootings directly over test platform component
Head, high frame number CCD camera are fixed by horizontally disposed high frame number CCD camera stent, high frame number CCD camera bracket end
Portion is connected by ball-screw sliding block with three groups of ball-screw screws respectively, and three groups of ball-screw screws uniformly divide around base center
Cloth, every ball-screw screw are fixed by two ball-screw strut supports, ball-screw strut upper and lower ends.
Make further supplement to such scheme, further include side satellite safing cover and safety top cover, wherein side satellite safing cover is
Arc panel, side satellite safing cover bottom are fixed with base, are connected at the top of side satellite safing cover with safety top cover, side satellite safing cover and top
The space in portion safety guard besieged city surrounds test platform component, high frame number video imaging system component and electric machine assembly.
Such scheme is made it is further preferred, the ball-screw screw upper end by fixing bearing at the top of ball-screw with
Safety top cover coordinates, and ball-screw screw lower end passes through ball-screw bottom fixation kit and base engagement, wherein ball wire
Thick stick bottom fixation kit includes nested block and the ball-screw bottom fixing bearing for being arranged at nested block center, nested block and bottom
Nested block is equipped between seat and fixes rubber sleeve, two ball-screw support bar fixing holes are equipped with the both sides of nested block, susceptor surface.
Such scheme is made further preferably, the test platform component includes rotatable test platform, test platform
Lower surface center is equipped with test platform stent, and test platform stent passes through the test platform stent upper backup pad that is arranged in parallel
Supported with test platform stent lower supporting plate, in test platform stent and test platform stent upper backup pad, test platform stent
Be equipped with test platform stent upper bearing (metal) and test platform stent lower bearing between lower supporting plate, test platform stent upper backup pad and
Test platform stent lower supporting plate both ends are fixed in right risers and left risers, and right risers and left risers lower end are fixed on base table
Face.
Such scheme is made further preferably, the electric machine assembly includes motor, and motor passes through motor fixing bolt and electricity
Machine support connects, and electric machine support two relative side is consolidated with right risers and left risers surface respectively by electric machine support fixing screws
Connect, the output shaft of motor is connected by shaft coupling with test platform stent, and driving test platform rotates.
Such scheme is made further preferably, the motor side is equipped with Motor Rotating Speed Control System interface and motor power
Interface.
Such scheme is made further preferably, the test platform upper surface is pasted with test platform scale, test platform
The scale of scale increases along test platform surface radial arrangement, and from the center of circle to EXT scale.
Design the theoretical foundation of the utility model：According to physics knowledge, by centrifugal force calculation formula, i.e.,, wherein, m represents to be the quality of centrifugal movement object, kg；R represents that object does the radius of centrifugal movement,
m；N represents that object is the rotating speed of centrifugal movement, r/min.Therefore, turned by obtaining quality m, centrifugal movement radius r, centrifugal movement
3 parameters such as fast n, can obtain the centrifugal force for doing and being born at the time of the test insect of centrifugal movement is thrown out of, and be tester
The maximal friction that body is produced in material surface.The quality m of test insect can be measured by high accuracy balance, other two parameter
Need to be obtained by means of this practicality test system and test.
It is using beneficial effect caused by above-mentioned technical proposal：Compared with existing centrifugation declines force test system, this
A kind of centrifugal micro- force test system of milli ox level that utility model is related to, high frame number CCD is adjusted using three groups of ball-screw screws
The distance of camera and test platform, has significant stability and accuracy；In addition, high frame number CCD camera is fixedly mounted
Ball-screw strut, ball-screw screw, the connection between nested block and base fix rubber sleeve with nested block and separate, can
Influence of the vibration to high frame number CCD camera caused by motor operating is reduced to greatest extent, therefore is more easy to realize to test
The clear collection of platform image, therefore the radius information that the test insect obtained is cooked centrifugal movement is more accurate and stable.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is test platform component structure diagram in Fig. 1；
Fig. 3 is test platform architecture top view in Fig. 2；
Fig. 4 is high frame number video imaging system component structure diagram in the utility model；
Fig. 5 is motor component structure schematic diagram in the utility model；
In figure, 1, test platform component；1-1, test platform；1-2, test platform stent；1-3, test platform stent are consolidated
Determine screw；1-4, test platform stent upper bearing (metal)；1-5, test platform stent upper backup pad；1-6, test platform stent lower axle
Hold；1-7, test platform stent lower supporting plate；1-8, test platform scale；2nd, high frame number video imaging system component；2-1, height
Frame number CCD camera；2-2, high frame number CCD camera stent；2-3, bracket fixing bolt；2-4, L-type connecting elements；2-5, structure
Part fixing bolt；2-6, ball-screw sliding block；2-7, ball-screw strut；2-8, ball-screw screw；2-9, ball-screw bottom
Portion's fixation kit；2-9-1, nested block；2-9-2, ball-screw bottom fixing bearing；2-9-3, nested block fixing screws；2-9-
4th, ball-screw support bar fixing hole；2-9-5, nested block fix rubber sleeve；Fixing bearing at the top of 2-10, ball-screw；3rd, motor
Component；3-1, motor；3-2, motor fixing bolt；3-3, electric machine support；3-4, electric machine support fixing screws；3-5, shaft coupling；
3-6, Motor Rotating Speed Control System interface；3-7, motor power interface；4th, right risers；5th, left risers；6th, base；7th, side satellite safing
Cover；8th, safety top cover.
Embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.
A kind of centrifugal micro- force test system of milli ox level that the utility model is specifically related to, which includes base 6, the bottom of at
Test platform component 1, high frame number video imaging system component 2 and electric machine assembly 3,1 main work(of test platform component are set on seat 6
Can provide platform for the placement of test material, test insect, and centrifugal movement can be done easy to accurate read test insect and got rid of
Go out the radius information at test platform moment；High frame number video imaging system component 2, for monitoring test platform in real time, obtains and surveys
Movement locus image of the insect on test material surface is tried, can obtain test insect by ratiometric conversion does centrifugal movement and got rid of
Go out the radius information at moment；Electric machine assembly 3, power supply is provided for the centrifugal movement of test platform, and passes through the attached rotating speed of motor
Control unit obtains rotary speed information, that is, tests the rotary speed information of insect centrifugal movement；Base 6 and its mill auxiliaries structure, to survey
Try platform assembly 1, high frame number video imaging system component 2, electric machine assembly 3 and the carrier being fixedly mounted is provided.
As shown in Figure 1, Figure 2 and Figure 3, the core component 1-1 of test platform component 1 is by for test insect, test material
Place and carrier is provided, it uses aluminum alloy material light, that rigidity is good, is processed into radius as 120-150 millimeters, thickness 3-4 millis
The disc of rice.Test platform 1-1 is connected by test platform stent fixing screws 1-3 with test platform stent 1-2, and test is flat
Platform stent 1-2 is fixedly connected by test platform stent upper bearing (metal) 1-4 with test platform stent upper backup pad 1-5, and passes through survey
Examination platform support lower bearing 1-6 is fixedly connected with test platform stent lower supporting plate 1-7；Test platform stent upper backup pad 1-5,
Test platform stent lower supporting plate 1-7 is fixedly connected by fixing screws with right risers 4 and left risers 5；Test platform stent 1-2
It is connected by shaft coupling 3-5 with motor 3-1, realizes the transmission of power；On test platform 1-2, set by starting point of the center of circle with milli
Rice is the test platform scale 1-8 of least unit, and the length of scale is arranged to 100 millimeters, is existed accurately to obtain test insect
The radius information that centrifugal movement is thrown out of the moment is done on test platform 1-2.
As shown in Figure 1 and Figure 4, high frame number video imaging system component 2 is to obtain test insect in test platform（Test material
Material）The key that centrifugal movement is thrown out of the radius information at moment is done on surface, and the order of accuarcy obtained for radius information will be straight
Connect a kind of measuring accuracy for the centrifugal micro- force test system of milli ox level for influencing originally to the utility model is related to.High frame number CCD shootings
Head 2-1 is the core component of high frame number video imaging system component 2, and the system uses technical grade CCD camera, collection figure per second
As 300 width, test insect can be clearly obtained in test platform（Test material）The image of apparent motion track, and then accurate acquisition
The radius information of centrifugal movement.High frame number CCD camera 2-1 is loaded on high frame number CCD camera stent 2-2, high frame number CCD
Camera bracket 2-2 is fixedly mounted on L-type connecting elements 2-4 through bracket fixing bolt 2-3, and L-type connecting elements 2-4 passes through structure
Part fixing bolt 2-5 is fixed on ball-screw sliding block 2-6, can realize high frame number CCD with the movement of ball-screw sliding block 2-6
The adjustment of distance between camera 2-1 and test platform 1-1；Ball-screw strut 2-7, ball-screw screw 2-8 pass through ball
Leading screw bottom fixation kit 2-9 is fixedly mounted on base 6, and nested block 2-9-1 is the weight of ball-screw bottom fixation kit 2-9
Component is wanted, its center nesting is loaded the ball-screw bottom fixing bearing 2-9-2 of ball-screw screw 2-8；Nested block 2-9-1 leads to
Nested block fixing screws 2-9-3 is crossed on base 6, two side positions of nested block 2-9-1 set fixed ball-screw strut 2-7
Ball-screw support bar fixing hole 2-9-4；To reduce vibration caused by motor operating to greatest extent to high frame number CCD shootings
The influence of head, sets nested block to fix rubber sleeve 2-9-5 between nested block 2-9-1 and base 6.To make high frame number CCD camera
2-1 more stablizes, and sets 3 groups of ball-screws, its mutual angle is at intervals of 120 ° or is followed successively by 90 °, 90 °, 180 °.
As shown in Figure 1 and Figure 5, the function of electric machine assembly 3 is to provide power for the centrifugal movement of test platform 1-1, and can
Accurate display test insect is cooked the rotary speed information that centrifugal movement is thrown out of the moment on test platform 1-1 surfaces.Motor 3-1 is motor
The critical component of component 3, is installed on electric machine support 3-3 by motor fixing bolt 3-2；Electric machine support 3-3 passes through motor branch
Frame fixing screws 3-4 is realized to be fixedly connected with right risers 4, left risers 5；The output shaft of shaft coupling 3-5 connection motors 3-1 and survey
Platform support 1-2 is tried, realizes that the power of motor 3-1 outputs is smoothly transferred to test platform 1-1；Motor Rotating Speed Control System is set
Interface 3-6 and motor power interface 3-7, start and stop and the motor speed of motor 3-1 are realized to simplicity（Test platform rotating speed）'s
Adjustment control.
As shown in Figure 1 and Figure 4, base 6 is a kind of centrifugal micro- force test system of milli ox level that the utility model is related to
Basic components, as test platform component 1, high frame number video imaging system component 2, electric machine assembly 3 provide installation carrier, select
With steel alloy material.To ensure that tester is operating a kind of centrifugal micro- force test system of milli ox level that the utility model is related to
When safety, set 270 ° side satellite safing cover 7, safety top cover 8, be organic glass material；Safety top cover is also rolling
Fixing bearing 2-10 provides installation carrier at the top of ballscrew.
Adhesive force（Frictional force）Test case：Before test starts, precision is used to claim for the electronic-weighing balance of 0.1 mg
The weight of test object beetle is 38.50 mg.Using the sand paper of 1000 mesh as test material, sand paper is fixed on test platform
On 1-1, beetle is placed on sand paper, while starts high frame number CCD camera 2-1 and motor 3-1, slowly improves motor speed,
Until beetle reaches critical disengaging sand paper state, motor speed is record at this timen=348.50 r/min；High frame number CCD is recalled to take the photograph
As head 2-1 gather test platform 2-1 images, calculate obtain the beetle critical disengaging sand paper moment, away from the test platform center of circle away from
From forr=106.90 mm；Acquired information is brought into centrifugal force formula, calculate beetle in granularity
For the maximum adhesion power of the coated abrasive surface of 1000 mesh（Frictional force）ForF=5.48mN。
Claims (7)
1. a kind of centrifugal micro- force test system of milli ox level, it is characterised in that including base（6）, in base（6）It is upper that test is set
Platform assembly（1）, high frame number video imaging system component（2）And electric machine assembly（3）, wherein high frame number video imaging system component
（2）Including being placed in test platform component（1）The high frame number CCD camera of surface（2-1）, high frame number CCD camera（2-1）It is logical
Cross horizontally disposed high frame number CCD camera stent（2-2）It is fixed, high frame number CCD camera stent（2-2）End passes through respectively
Ball-screw sliding block（2-6）With three groups of ball-screw screws（2-8）Connection, three groups of ball-screw screws（2-8）Around base（6）In
The heart is uniformly distributed, every ball-screw screw（2-8）Pass through two ball-screw struts（2-7）Support, ball-screw strut（2-
7）Upper and lower ends are fixed.
2. a kind of centrifugal micro- force test system of milli ox level according to claim 1, it is characterised in that further include sidepiece peace
Full cover（7）With safety top cover（8）, wherein side satellite safing cover（7）For arc panel, side satellite safing cover（7）Bottom and base（6）Gu
It is fixed, side satellite safing cover（7）Top and safety top cover（8）Connection, side satellite safing cover（7）With safety top cover（8）The sky in besieged city
Between surround test platform component（1）, high frame number video imaging system component（2）And electric machine assembly（3）.
A kind of 3. centrifugal micro- force test system of milli ox level according to claim 2, it is characterised in that the ball-screw
Screw（2-8）Upper end passes through fixing bearing at the top of ball-screw（2-10）With safety top cover（8）Coordinate, ball-screw screw
（2-8）Lower end passes through ball-screw bottom fixation kit（2-9）With base（6）Coordinate, wherein ball-screw bottom fixation kit
（2-9）Including nested block（2-9-1）And it is arranged at nested block（2-9-1）The ball-screw bottom fixing bearing at center（2-9-
2）, nested block（2-9-1）With base（6）Between be equipped with nested block fix rubber sleeve（2-9-5）, in nested block（2-9-1）Two
Side, base（6）Surface is equipped with two ball-screw support bar fixing holes（2-9-4）.
A kind of 4. centrifugal micro- force test system of milli ox level according to claim 1, it is characterised in that the test platform
Component（1）Including rotatable test platform（1-1）, test platform（1-1）Lower surface center is equipped with test platform stent
（1-2）, test platform stent（1-2）Pass through the test platform stent upper backup pad being arranged in parallel（1-5）With test platform stent
Lower supporting plate（1-7）Support, in test platform stent（1-2）With test platform stent upper backup pad（1-5）, test platform stent
Lower supporting plate（1-7）Between be equipped with test platform stent upper bearing (metal)（1-4）With test platform stent lower bearing（1-6）, test flat
Platform stent upper backup pad（1-5）With test platform stent lower supporting plate（1-7）Right risers are fixed at both ends（4）And left risers（5）
On, right risers（4）And left risers（5）Lower end is fixed on base（6）Surface.
A kind of 5. centrifugal micro- force test system of milli ox level according to claim 4, it is characterised in that the electric machine assembly
（3）Including motor（3-1）, motor（3-1）Pass through motor fixing bolt（3-2）With electric machine support（3-3）Connection, electric machine support
（3-3）Two relative side passes through electric machine support fixing screws（3-4）Respectively with right risers（4）And left risers（5）Surface is affixed, electricity
Machine（3-1）Output shaft pass through shaft coupling（3-5）With test platform stent（1-2）Connection, drives test platform（1-1）Rotate.
A kind of 6. centrifugal micro- force test system of milli ox level according to claim 5, it is characterised in that the motor（3-1）
Side is equipped with Motor Rotating Speed Control System interface（3-6）With motor power interface（3-7）.
A kind of 7. centrifugal micro- force test system of milli ox level according to claim 4, it is characterised in that the test platform
（1-1）Upper surface is pasted with test platform scale（1-8）, test platform scale（1-8）Scale along test platform（1-1）Table
Face radial arrangement, and increased from the center of circle to EXT scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129214.4U CN207248713U (en) | 2017-09-05 | 2017-09-05 | A kind of centrifugal micro- force test system of milli ox level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129214.4U CN207248713U (en) | 2017-09-05 | 2017-09-05 | A kind of centrifugal micro- force test system of milli ox level |
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| Publication Number | Publication Date |
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| CN207248713U true CN207248713U (en) | 2018-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668664A (en) * | 2018-12-03 | 2019-04-23 | 大连理工大学 | A kind of milli ox grade mantle friction force measuring device |
-
2017
- 2017-09-05 CN CN201721129214.4U patent/CN207248713U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668664A (en) * | 2018-12-03 | 2019-04-23 | 大连理工大学 | A kind of milli ox grade mantle friction force measuring device |
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Granted publication date: 20180417 Termination date: 20180905 |