CN206671088U - A kind of miniature thin plate bending stiffness measurement device of Bit andits control - Google Patents
A kind of miniature thin plate bending stiffness measurement device of Bit andits control Download PDFInfo
- Publication number
- CN206671088U CN206671088U CN201720270290.0U CN201720270290U CN206671088U CN 206671088 U CN206671088 U CN 206671088U CN 201720270290 U CN201720270290 U CN 201720270290U CN 206671088 U CN206671088 U CN 206671088U
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- guide rail
- horizontal guide
- measurement
- testpieces
- thin plate
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Abstract
The utility model discloses a kind of miniature thin plate bending stiffness measurement device of Bit andits control, measurement apparatus includes base, testpieces, specimen holder device, measuring point positioner, measurement apparatus, signal processing apparatus and operation and display device；The utility model fixture block is bolted with base cover plate, stud is connected through a screw thread with fixture block, intermediate plate perforate is by stud and can move up and down, nut is by intermediate plate, testpieces and fixture block fixation to cause testpieces one end fixed constraint, the bending stiffness measurement of one end fixed constraint one end Free Thin Plate can be carried out, suitable for long 100 200mm, wide 50 150mm thin plate bending stiffness measurement；Stiffness measurement point can be adjusted by X-direction horizontal guide rail and Y-direction horizontal guide rail；One key returns to zero and measurement, can directly display rigidity value, and measurement is rapid.
Description
Technical field：
A kind of miniature thin plate bending stiffness measurement device of Bit andits control is the utility model is related to, belongs to material science and machine
The instrument and instrument field of tool manufacturing technology.
Background technology：
Thin plate is a kind of material types commonly used in engineering structure, is widely applied to the structures such as aircraft automobile.Most engineerings
Structure is worked under alternate load effect, therefore the thin plate in structure typically can also be acted on by alternate load.At this
In a little load, the load perpendicular to sheet plane can make thin plate occur bending and deformation, and in alternating bending deformation process, thin plate is firm
Degree can gradually degenerate, so as to which fatigue rupture occur.So in the higher sheet part of some life requirements, at the beginning of design
It must be designed according to structure fatigue life criterion, and carry out fatigue experiment, then need to measure before and after testing by thin plate thin
The bending stiffness of plate, then the situation of its Stiffness Deterioration is obtained to estimate the fatigue life of thin plate, assess whether design meets the requirements.
It is also required to be monitored its bending stiffness according to design requirement when thin plate produces and processes and installs simultaneously, to ensure matter
Amount.
It is few for the patent of the stiffness measurement of thin-slab structure at present, wherein 201110452478.4 propose a kind of pendulum
The method of testing of rigidity, by prepare device for testing stiffness, installation, measurement displacement, obtain detect mass under deadweight turn
The steps such as angle finally give rigidity of chip.But its method of testing proposed is relative complex, high is required to equipment and test site,
Manpower is needed to participate in more, one-shot measurement needs 2 minutes, is unfavorable for examining when factory's large-scale production and assembled in situ structure
Whether rigidity, which meets, requires.
Therefore necessary design is a kind of simple to operate, and measuring speed is fast, and site requirements is not high, the high miniature thin of applicability
Plate benging stiffness measurement device.
Utility model content：
The utility model is to provide a kind of miniature thin of Bit andits control to solve the above-mentioned problems of the prior art
Plate benging stiffness measurement device.
There is technical scheme used by the utility model：A kind of miniature thin plate bending stiffness measurement device of Bit andits control,
Including base, testpieces, specimen holder device, measuring point positioner, measurement apparatus, signal processing apparatus and operation and display
Device；
The base includes the boxed basement and base cover plate composition of a upper opening, is bolted；
The specimen holder device is made up of fixture block, intermediate plate, stud and nut, and the fixture block passes through spiral shell with base cover plate
Tether and connect, stud is connected through a screw thread with fixture block, and testpieces is lain in a horizontal plane on fixture block, and intermediate plate perforate is by stud, and on energy
Move down dynamic pressure and live testpieces, the nut is fixed intermediate plate, testpieces and fixture block fixation with testpieces one end by rotating
Constraint；
The measuring point positioner is made up of horizontal guide rail, sliding block, bearing, locking nut and rigid frame, the horizontal guide rail
It is including the X-direction horizontal guide rail in base cover plate and vertical with X-direction horizontal guide rail direction and be arranged on rigid frame
On Y-direction horizontal guide rail, have two sliding blocks on every X-direction horizontal guide rail, one be provided with every Y-direction horizontal guide rail
Sliding block, the sliding block are fixed by locking nut and horizontal guide rail, and bearing, the rigid frame peace are provided between sliding block and horizontal guide rail
On four sliding blocks of X-direction horizontal guide rail, it is bolted；
The measurement apparatus is made up of measuring table, stepper motor, screw rod, sleeve, sleeve position limiting structure and measurement head,
In the Y direction on the sliding block of horizontal guide rail, stepper motor and sleeve position limiting structure pass through with measuring table for the measuring table installation
Bolt connection, the screw rod are connected with stepper motor, and stepper motor, which rotates, drives screw rod to rotate, and the sleeve passes through spiral shell with screw rod
Line is connected, and rotary screw moves up and down sleeve；
The signal processing apparatus is made up of 5V constant voltage sources, force sensing resistance transducer, digital analog converter and control chip,
5V constant voltage sources, control chip and the digital analog converter are arranged on the bottom of boxed basement, and force sensing resistance transducer is pasted
At the measurement head back side；
With display device by display, operation button and switch form for the operation, the display, operation button and open
Pass is installed on the same side of boxed basement.
Further, the amount head, force sensing resistance transducer and sleeve three are glued together.
Further, the back side and screw extruding, are obtained by force sensing resistance transducer after the measurement head contacts with testpieces
The resistance value of corresponding pressure is obtained, then processing in control chip is input to after electric signal is changed by digital analog converter and is obtained correspondingly
Rigidity value, and show over the display.
Further, the operation button includes three, is followed successively by operation button A, operation button B and behaviour from left to right
Make button C.
The utility model also adopts the following technical scheme that：A kind of miniature thin plate bending stiffness measurement device of Bit andits control
Method of work, comprise the following steps：
Step 1：During experiment, testpieces is placed on fixture block, after pressing upper clip, tightens nut；
Step 2：X-direction horizontal guide rail and Y-direction horizontal guide rail top shoe are adjusted according to thin plate stiffness measurement position respectively
Position, sliding block locking nut is tightened after adjusting；
Step 3：Switch on power, switch is allocated to on-state, it is long to press the operation button A, start measuring point displacement and behaviour is set
Make, shift value is added and subtracted by operation button B and operation button C, after mixing up numerical value, then press the operation button A determinations, continue to press
Operation button A devices start auto-calibrating sensor numerical value, find the position that measuring point displacement is zero and are returned to zero, device to be shown shows
After showing " zeroing is completed ", press the operation button B and start formally to measure rigidity value, display shows measuring point rigidity value, continues to press
Operation button C measurements terminate, and measurement apparatus resets；
Step 4：Then point position can be adjusted or change new testpieces and repeat above-mentioned experiment.
The utility model has the advantages that：
1. the bending stiffness measurement of one end fixed constraint one end Free Thin Plate can be carried out；
2. long 100-200mm is applicable to, wide 50-150mm thin plate bending stiffness measurement；
3. stiffness measurement point can be adjusted by the horizontal guide rail of both direction；
4. a key returns to zero and measurement, rigidity value can be directly displayed, measurement is rapid；
5. it is compact-sized simple, it is simple to operate, do not limited by place and personnel, be easy to safeguard.
Brief description of the drawings：
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is right view of the present utility model.
Fig. 4 is layout drawing in the utility model base.
Wherein：
1- boxed basements, 2- base cover plates, 3- fixture blocks, 4- studs, 5- intermediate plates, 6- nuts, 7- horizontal guide rails, 8- sliding blocks,
9- bearings, 10- sliding blocks locking nut, 11- rigid frames, 12- measuring tables, 13- stepper motors, 14- screw rods, 15- sleeves, 16- sets
Cylinder position limiting structure, 17- measurement heads, 18- displays, 19- operation buttons, 20- switches, 21- force sensing resistance transducers, 22- experiment
Part, 23-5V constant voltage sources, 24- digital analog converters, 25- control chips.
Embodiment：
The utility model is further described below in conjunction with the accompanying drawings.
The utility model discloses a kind of miniature thin plate bending stiffness measurement device of Bit andits control, including：Base, experiment
Part, specimen holder device, measuring point positioner, measurement apparatus, signal processing apparatus and operation and display device.
Base includes the cuboid boxed basement 1 of upper opening and base cover plate 2 forms, and is connected by screw.
Specimen holder device is made up of fixture block 3, intermediate plate 5, stud 4 and nut 6, and wherein fixture block 3 passes through with base cover plate 2
Bolt connection, stud 4 are connected through a screw thread with fixture block 3.Testpieces 22 is lain in a horizontal plane on fixture block 3, and testpieces 22 exists with fixture block 3
Contact length on long side direction is 9-10mm, and the perforate of intermediate plate 5 can move up and down by stud 6 and push down testpieces 22, nut
6 are used to fix intermediate plate 5, testpieces 22 and fixture block 3 so that one end fixed constraint of testpieces 22.
Measuring point positioner is by four horizontal guide rails, 7, six sliding blocks 8, bearing 9, locking nut 10 and 11 groups of a rigid frame
Into.The parallel installation (X-direction) of wherein two horizontal guide rails 7 has two sliding blocks 8 in base cover plate 2 on every horizontal guide rail 7,
Four installation sites with rigid frame 11 are bolted respectively.Other two horizontal guide rails 7 are arranged on rigid frame 11 and preceding two
The direction of root horizontal guide rail 7 is vertical (Y-direction), and a sliding block 8 is provided with every horizontal guide rail 7.Sliding block 8 can pass through locking nut
10 are fixed with horizontal guide rail 7, and bearing 9 is provided between sliding block 8 and horizontal guide rail 7 to reduce frictional force.By in X-direction and Y side
To horizontal guide rail on traverse measuring device can measure rigidity value at different size thin plate different measuring points.
Measurement apparatus is by measuring table 12, stepper motor 13, screw rod 14, sleeve 15, sleeve position limiting structure 16 and measurement
First 17 composition.Wherein measuring table 12 is installed on the sliding block 8 of horizontal guide rail in the Y direction, stepper motor 13 and sleeve position limiting structure
16 are bolted with measuring table 12.Screw rod 14 is connected with stepper motor 13, and stepper motor 13, which rotates, can drive screw rod 14
Rotate, the angular displacement of stepper motor 13 is used as input by the measuring point displacement set in advance, is exported after the processing of control chip 25
Corresponding angular displacement signal.Sleeve 15 is connected with screw rod 14 by screw thread, and rotary screw 14 can move up and down sleeve 15.
Measurement head 17, force sensing resistance transducer 21 and the three of sleeve 16 are glued together as shown in Figure 3.
Signal processing apparatus is by 5V constant voltage sources 23, force sensing resistance transducer 21, digital analog converter 24 and control chip 25
Composition.Wherein 5V constant voltage sources 23, control chip 25 and digital analog converter 24 are arranged on the bottom of boxed basement 1, the quick electricity of power
Resistance sensor 21 is pasted onto the back side of measurement head 17, and the back side extrudes with screw rod 14 after measurement head 17 contacts with testpieces 22, passes through power
Sensing resistance transducer 21 will obtain the resistance value of corresponding pressure, then control is input to after electric signal is changed by digital analog converter 24
Processing obtains corresponding rigidity value in coremaking piece 25, and shows on display 18.
Operation (is pressed the button of position three in Fig. 1 respectively to remember with display device by a display 18, three operation buttons 19
For A, B and C) and a composition of switch 20, it is installed in as shown in Figure 1 on the same side of boxed basement 1, three operation buttons 19
Short-press difference A performs zeroing operation from left to right, and B performs measurement operation, and C is performed and stopped operation, and three buttons 19 of long-press are from a left side
Operation is set and determines to the right execution of A respectively, B performs the operation added, and C performs the operation subtracted.Display 18, which is used to show, to be measured
Specific shift value is shown when rigidity value and setting measuring point displacement.Switch 20 is used to switch on or off instrument power source.
The method of work of the miniature thin plate bending stiffness measurement device of the utility model Bit andits control, comprises the following steps：
Step 1：During experiment, testpieces 22 is placed on fixture block 3, after pressing upper clip 5, tightens nut 6；
Step 2：Adjusted respectively according to thin plate stiffness measurement position sliding on X-direction horizontal guide rail and Y-direction horizontal guide rail 7
The position of block 8, sliding block locking nut 10 is tightened after adjusting；
Step 3：Switch on power, switch 20 is allocated to on-state, it is long to press the operation button A, start measuring point displacement and set
Operation, shift value is added and subtracted by operation button B and operation button C, after mixing up numerical value, then press the operation button A determinations.Continue by
Lower operation button A devices start auto-calibrating sensor numerical value, find the position that measuring point displacement is zero and are returned to zero, device to be shown
After 18 displays " zeroing is completed ", pressing the operation button B and start formally to measure rigidity value, display 18 shows measuring point rigidity value, after
It is continuous to press the operation button C measurements and terminate, measurement apparatus reset；
Step 4：Then point position can be adjusted or change new testpieces 22 and repeat above-mentioned experiment.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (4)
- A kind of 1. miniature thin plate bending stiffness measurement device of Bit andits control, it is characterised in that：Including base, testpieces (22), Specimen holder device, measuring point positioner, measurement apparatus, signal processing apparatus and operation and display device；The base includes the boxed basement (1) and base cover plate (2) composition of a upper opening, is bolted；The specimen holder device is made up of fixture block (3), intermediate plate (5), stud (4) and nut (6), the fixture block (3) and bottom Flap plate (2) is bolted, and stud (4) is connected through a screw thread with fixture block (3), and testpieces (22) lies in a horizontal plane in fixture block (3) on, intermediate plate (5) perforate can move up and down by nut (6) and push down testpieces (22), and the nut (6) will by rotating Intermediate plate (5), testpieces (22) and fixture block (3) are fixed to cause testpieces (22) one end fixed constraint；The measuring point positioner is made up of horizontal guide rail (7), sliding block (8), bearing (9), locking nut (10) and rigid frame (11), The horizontal guide rail (7) include be arranged on base cover plate (2) on X-direction horizontal guide rail and with X-direction horizontal guide rail direction Y-direction horizontal guide rail vertical and on rigid frame (11), there is two sliding blocks (8) on every X-direction horizontal guide rail, every One sliding block (8) is installed, the sliding block (8) is solid by locking nut (10) and horizontal guide rail (7) on Y-direction horizontal guide rail It is fixed, bearing (9) is installed, the rigid frame (11) is arranged on four of X-direction horizontal guide rail between sliding block (8) and horizontal guide rail (7) On sliding block (8), it is bolted；The measurement apparatus is by measuring table (12), stepper motor (13), screw rod (14), sleeve (15), sleeve position limiting structure (16) and measurement head (17) composition, the measuring table (12) are installed in the Y direction on the sliding block (8) of horizontal guide rail, stepping electricity Machine (13) and sleeve position limiting structure (16) are bolted with measuring table (12), the screw rod (14) and stepper motor (13) Connection, stepper motor (13), which rotates, drives screw rod (14) to rotate, and the sleeve (15) is connected with screw rod (14) by screw thread, Rotary screw (14) moves up and down sleeve (15)；The signal processing apparatus is by 5V constant voltage sources (23), force sensing resistance transducer (21), digital analog converter (24) and control Chip (25) forms, and the 5V constant voltage sources (23), control chip (25) and digital analog converter (24) are arranged on boxed basement (1) bottom, force sensing resistance transducer (21) are pasted onto measurement head (17) back side；The operation is made up of with display device display (18), operation button (19) and switch (20), the display (18), Operation button (19) and switch (20) are installed on the same side of boxed basement (1).
- 2. the miniature thin plate bending stiffness measurement device of Bit andits control as claimed in claim 1, it is characterised in that：The measurement Head (17), force sensing resistance transducer (21) and sleeve (15) three are glued together.
- 3. the miniature thin plate bending stiffness measurement device of Bit andits control as claimed in claim 2, it is characterised in that：The measurement The back side is extruded with screw rod (14) after head (17) contacts with testpieces (22), and corresponding pressure is obtained by force sensing resistance transducer (21) The resistance value of power, then processing in control chip (25) is input to after electric signal is changed by digital analog converter (24) and is obtained correspondingly Rigidity value, and shown on display (18).
- 4. the miniature thin plate bending stiffness measurement device of Bit andits control as claimed in claim 3, it is characterised in that：The operation Button (19) includes three, is followed successively by operation button A, operation button B and operation button C from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270290.0U CN206671088U (en) | 2017-03-20 | 2017-03-20 | A kind of miniature thin plate bending stiffness measurement device of Bit andits control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720270290.0U CN206671088U (en) | 2017-03-20 | 2017-03-20 | A kind of miniature thin plate bending stiffness measurement device of Bit andits control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671088U true CN206671088U (en) | 2017-11-24 |
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ID=60376827
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720270290.0U Expired - Fee Related CN206671088U (en) | 2017-03-20 | 2017-03-20 | A kind of miniature thin plate bending stiffness measurement device of Bit andits control |
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| Country | Link |
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| CN (1) | CN206671088U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872287A (en) * | 2017-03-20 | 2017-06-20 | 南京航空航天大学 | The miniature thin plate bending stiffness measurement device and its method of work of a kind of Bit andits control |
| CN108168414A (en) * | 2017-12-14 | 2018-06-15 | 中国电子科技集团公司第四十研究所 | A kind of sheet metal strip elastic limit measuring device |
| CN108931265A (en) * | 2018-05-17 | 2018-12-04 | 芜湖撼江智能科技有限公司 | A kind of detection device for industrial plate |
| CN113375880A (en) * | 2021-06-01 | 2021-09-10 | 泰州健朗医疗器械有限公司 | Micro-catheter axial rigidity detection device and axial rigidity evaluation method |
| CN114002084A (en) * | 2021-10-20 | 2022-02-01 | 杨培刚 | Special testing machine for multi-adjustment type precision testing of anti-breaking force of micro drill bit |
-
2017
- 2017-03-20 CN CN201720270290.0U patent/CN206671088U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872287A (en) * | 2017-03-20 | 2017-06-20 | 南京航空航天大学 | The miniature thin plate bending stiffness measurement device and its method of work of a kind of Bit andits control |
| CN108168414A (en) * | 2017-12-14 | 2018-06-15 | 中国电子科技集团公司第四十研究所 | A kind of sheet metal strip elastic limit measuring device |
| CN108168414B (en) * | 2017-12-14 | 2020-04-14 | 中国电子科技集团公司第四十一研究所 | Metal strip elastic limit measuring device |
| CN108931265A (en) * | 2018-05-17 | 2018-12-04 | 芜湖撼江智能科技有限公司 | A kind of detection device for industrial plate |
| CN113375880A (en) * | 2021-06-01 | 2021-09-10 | 泰州健朗医疗器械有限公司 | Micro-catheter axial rigidity detection device and axial rigidity evaluation method |
| CN113375880B (en) * | 2021-06-01 | 2022-07-29 | 泰州健朗医疗器械有限公司 | Micro-catheter axial rigidity detection device and axial rigidity evaluation method |
| CN114002084A (en) * | 2021-10-20 | 2022-02-01 | 杨培刚 | Special testing machine for multi-adjustment type precision testing of anti-breaking force of micro drill bit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |