CN106644439A - Portable stress strain measurement experimental device - Google Patents
Portable stress strain measurement experimental device Download PDFInfo
- Publication number
- CN106644439A CN106644439A CN201611180385.XA CN201611180385A CN106644439A CN 106644439 A CN106644439 A CN 106644439A CN 201611180385 A CN201611180385 A CN 201611180385A CN 106644439 A CN106644439 A CN 106644439A
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- Prior art keywords
- strain measurement
- loading
- leading screw
- vertical
- measurement experimental
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a portable stress strain measurement experimental device. The portable stress strain measurement experimental device comprises a fixing support, the top part of which is provided with a horizontal slide rail. A to-be-measured structure is disposed in the fixing support, and the fixing support is provided with a vertical loading force measuring device capable of sliding along the horizontal slide rail. The vertical loading force measuring device comprises a hand-operated mechanical loading structure, which is connected with a loading head capable of moving upwards and downwards. The top part of the loading head is connected with the hand-operated mechanical loading structure by a tension compression sensor, which is used to acquire contact pressure signals, and is used to transmit the contact pressure signals to a data processing output device. The top surface of the to-be-measured structure is provided with an electric resistance strain gauge, which is used to transmit strain signals to the data processing output device. The portable stress train measurement experimental device adopts mechanical loading, and is used for the stress strain measurement of thin plates, cantilever beam, and other parts, and has advantages of simple structure, portability, and rapid installation debugging.
Description
Technical field
The present invention relates to stress-strain measurement technical field, more particularly to a kind of portable stress-strain measurement experiment dress
Put.
Background technology
The experiment of ess-strain mechanical property testing is the very important analysis means in the fields such as structure design, strength check.
It is widely used in the mechanics of materials, the teaching of rational mechanics.Document《True strain computation model and test system》In based on research
The substantive characteristics of material deformation, discloses a kind of trus stress-strain calculation model and practical test system:Adopted with ccd sensor
Collect the image during sample deformation and be converted into the incoming computer of data signal, while passing through pressure sensor by drawing process
In load change signal be converted into voltage change signal, this voltage signal and incoming computer are gathered by data collecting card,
The ess-strain of sample to be tested is obtained through computer disposal；Document《Tower stress test experimental provision》Disclose a kind of tower
The stress-strain test device of equipment：Mount stress sensor, static strain measuring appliance and computer part on tower, lead to
Excess pressure pump is suppressed so that tower is deformed upon so as to measure the ess-strain of its deformation；Document《A kind of fibre strain-stress
Simultaneous measuring apparatus》A kind of fibre strain-stress simultaneous measuring apparatus are disclosed, optical fiber technology is applied to into stress-strain measurement
System；Document《Asphalt concrete pavement stress-strain detection method and detecting system》Disclosing a kind of asphalt concrete pavement should
Stress-strain detection method and detecting system, by the prefabricated concrete precast block containing stress strain gauge Experiment Road is embedded in,
For gathering road surface response data.Understand that the ess-strain mechanical characteristic experimental bench that presently, there are on market is adopted mostly by investigation
With hydraulic pressure or Motor drive, on-load pressure height, it is not suitable for carrying out stress-strain measurement to thin plate, cantilever beam etc., and tests
Equipment volume is huge, very heavy, is unsuitable for carrying and Fast Installation debugging.
Thus, the present inventor proposes a kind of portable ess-strain by the experience and practice of being engaged in relevant industries for many years
Measurement experimental provision, to overcome the defect of prior art.
The content of the invention
It is an object of the invention to provide a kind of portable stress-strain measurement experimental provision, overcomes in prior art and exists
On-load pressure it is too high and be not suitable for the problems such as stress-strain measurement is carried out to thin plate, cantilever beam etc., the portable stress should
Become measurement experimental provision and adopt mechanical load, stress-strain measurement can be carried out to thin plate, cantilever beam etc., simple structure is easy to
Carry and Fast Installation debugging.
The object of the present invention is achieved like this, a kind of portable stress-strain measurement experimental provision, it is described it is portable should
Stress-strain measurement experimental provision includes fixed support, and the support bracket fastened top is provided with horizontally disposed horizontal slide rail, described
Axially parallel arrange and treat geodesic structure with the horizontal slide rail in fixed support, described one end for treating geodesic structure removedly connects
It is connected on the fixed support, that the fixed support is provided with is can sliding along the horizontal slide rail, from described support bracket fastened
The vertical loading device for measuring force that top down is arranged, the vertical loading device for measuring force includes armstrong's patent loading structure, described
Being connected with armstrong's patent loading structure can move up and down and bottom can be with the loading of the top surface abutting contact for treating geodesic structure
Head, the top of the loading head is connected by tension-compression sensor with the armstrong's patent loading structure, the tension-compression sensor energy
Gather the loading head and the contact signal treated between geodesic structure and can by the contact signal transmission to number
According to output device is processed, the top surface for treating geodesic structure is provided with resistance strain gage, and the resistance strain gage can will be described to be measured
The strain signal of structure is transferred to data processing output device.
The present invention a better embodiment in, the armstrong's patent loading structure be screw slider mechanism, the silk
Thick stick slide block mechanism includes the leading screw being vertically arranged, and slide block is arranged on the leading screw, and the leading screw drives the slide block vertically to move
Dynamic, the loading head is fixedly connected by the tension-compression sensor with the slide block.
In a better embodiment of the present invention, the armstrong's patent loading structure includes vertical with the horizontal slide rail
The slip longeron of the level that arrange and can slide along the horizontal slide rail, is fixed with down-set on the slip longeron
Vertical supports, rotate in the vertical supports and are provided with the leading screw, are fixed with the vertical supports parallel with the leading screw
Spaced upright guide rail, slides on the upright guide rail and is arranged the slide block, is provided with the slide block and the leading screw
The screwed hole of the insertion of matching, the leading screw is worn by the screwed hole, and the pilot hole of insertion is additionally provided with the slide block,
The upright guide rail is worn by the pilot hole, and the side of the slide block is fixedly connected sequentially from top to bottom the tension and compression sensing
Device and the loading head.
In a better embodiment of the present invention, the slip longeron is provided with the horizontal stroke that can be slided along the horizontal slide rail
Move guide pad.
In a better embodiment of the present invention, the top of the leading screw turns through the slip longeron and passes through
Shaft coupling is connected with hand-operated wheel.
In a better embodiment of the present invention, the bottom of the slip longeron is connected with transition connecting plate, the mistake
The lower section for crossing connecting plate connects the vertical supports.
In a better embodiment of the present invention, the vertical supports include what top was connected with the transition connecting plate
Rack plate, the side of the rack plate is fixedly connected a vertical connecting plate, and the bottom of the vertical connecting plate is connected with props up
Frame base plate, the top of the leading screw is rotated successively by the rack plate, the transition connecting plate and the slip longeron, institute
The bottom for stating leading screw is rotationally connected with the support base plate, and the top of the upright guide rail is fixedly connected on the rack plate
On, the bottom of the upright guide rail is fixedly connected on the support base plate.
The present invention a better embodiment in, the loading head be a column structure, the bottom of the column structure
It is provided with diameter circular cone top tapered downwards.
In a better embodiment of the present invention, the fixed support includes parallel interval and positioned at same level height
Guide rail, two parallel institutes are provided with the first crossbeam and second cross beam of degree, the first crossbeam and the second cross beam
The two ends for stating the guide rail composition horizontal slide rail, the first crossbeam and the second cross beam have been respectively fixedly connected with the first connection
Longeron and the second longitudinal beam connected, the fixed support also includes the base be arrangeding in parallel with the first crossbeam, and described first connects
Connect and be provided between longeron and the base vertically and two the first vertical beams arranging of parallel interval, second longitudinal beam connected with
Be provided between the base vertically and two the second vertical beams arranging of parallel interval, be provided between two second vertical beams with
The intermediate transverse girder that the second longitudinal beam connected parallel interval is arranged, described one end for treating geodesic structure be removedly connected to it is described in
Between on crossbeam, the other end for treating geodesic structure is extended from the intermediate transverse girder to the support bracket fastened inner side.
In a better embodiment of the present invention, the first crossbeam, the second cross beam, first connection are vertical
The material of beam, second longitudinal beam connected, the base, first vertical beam, second vertical beam and the intermediate transverse girder is equal
For aluminium section bar.
In a better embodiment of the present invention, data collecting card, the number are fixedly installed on the fixed support
It is connected with the tension-compression sensor and the resistance strain gage respectively by wire according to one end of capture card, the data collecting card
The other end data processing output device is connected by USB interface.
From the above mentioned, the portable stress-strain measurement experimental provision that the present invention is provided has the advantages that：
The vertical loading device for measuring force of the portable stress-strain measurement experimental provision of the present invention is arranged in which can move horizontally
On fixed support, loading head can be moved up and down, and manually mechanical load structure moves down loading head and makes its bottom to knot to be measured
Structure is loaded, and loading head can be to the multiple positions loading for treating geodesic structure fixed on fixed support, and tension-compression sensor can
Gather loading head and treat the contact signal between geodesic structure, and fill contact signal transmission to data processing output
Put, realize Real-time Collection and the monitoring of the stress for treating geodesic structure；In the portable stress-strain measurement experimental provision of the present invention
Treat resistance strain gage is set on geodesic structure, the strain for treating geodesic structure is converted into voltage signal and is transferred to data by resistance strain gage
Output device is processed, Real-time Collection and the monitoring of the strain for treating geodesic structure is realized；The portable stress-strain measurement of the present invention
Experimental provision carries out mechanical load, the appropriate simultaneously energy monitor in real time of pressure, as education experiment dress using armstrong's patent loading structure
Putting can complete the Comprehensive Experiments such as mechanical analysis, stress-strain measurement, can carry out ess-strain survey to thin plate, cantilever beam etc.
Amount, and the general structure of device has very high stability and reliability in loading procedure；The portable stress of the present invention
Fixed support in strain measurement experimental provision is made using aluminium section bar, small volume, lightweight, and overall structure is simple, be easy to take
Band and Fast Installation are debugged.
Description of the drawings
The following drawings is only intended in schematic illustration and explanation is done to the present invention, is not delimit the scope of the invention.Wherein：
Fig. 1：For the structural representation of the portable stress-strain measurement experimental provision of the present invention.
Fig. 2：For the structural representation of the vertical loading device for measuring force of the present invention.
In figure：
100th, portable stress-strain measurement experimental provision；
1st, fixed support；
10th, aluminium section connecting pieces；
11st, first crossbeam；
12nd, second cross beam；
13rd, horizontal slide rail；
14th, the first longitudinal beam connected；
15th, the second longitudinal beam connected；
16th, base；
17th, the first vertical beam；
18th, the second vertical beam；
19th, intermediate transverse girder；
2nd, device for measuring force is vertically loaded；
21st, loading head；211st, circular cone top；
22nd, slip longeron；221st, traversing guide pad；
23rd, vertical supports；231st, rack plate；232nd, vertical connecting plate；233rd, support base plate；
24th, leading screw；241st, shaft coupling；242nd, hand-operated wheel；
25th, upright guide rail；
26th, slide block；
27th, transition connecting plate；
31st, tension-compression sensor；
32nd, resistance strain gage；
4th, data processing output device；
51st, data collecting card；
52nd, USB interface；
8th, geodesic structure is treated.
Specific embodiment
In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now control illustrates this
Bright specific embodiment.
As shown in Figure 1 and Figure 2, the present invention provides a kind of portable stress-strain measurement experimental provision 100, including fixed
Frame 1, the top of fixed support 1 is provided with horizontally disposed horizontal slide rail 13, and fixed support 1 is interior and horizontal slide rail 13 is axially in parallel
Ground is arranged and treats geodesic structure 8, and the one end for treating geodesic structure 8 is removedly connected on fixed support 1, treats that geodesic structure 8 can be cantilever
Beam, treats that geodesic structure 8 can also be the sheet metal or can be fixed in fixed support 1 that one end is connected on fixed support 1
Other structures；Fixed support 1 be provided with can transversely slide rail 13 slides, that the top down of self-retaining support 1 is arranged is vertical
Loading device for measuring force 2, vertical loading device for measuring force 2 includes armstrong's patent loading structure, is connected with armstrong's patent loading structure
The loading head 21 that can be moved up and down, the bottom of loading head 21 can be with the top surface abutting contact for treating geodesic structure 8, the top of loading head 21
Tension-compression sensor 31 is fixedly connected with, tension-compression sensor 31 can gather loading head 21 and treat the contact letter between geodesic structure 8
Number and can be by contact signal transmission to data processing output device 4, the top surface for treating geodesic structure 8 is provided with resistance strain gage
32, in the present embodiment, resistance strain gage 32 is adhered to by glue special (prior art, for bonding resistance strain gage)
Treat on the top surface of geodesic structure 8, the resistance value of resistance strain gage 32 changes with the deformation of geodesic structure 8 is treated, resistance strain gage
The strain signal for treating geodesic structure 8 can be transferred to data processing output device 4 by 32.
In the portable stress-strain measurement experimental provision 100 of the present invention, vertical loading device for measuring force 2 can move horizontally ground
It is arranged on fixed support 1, loading head 21 can be moved up and down, manually mechanical load structure moves down loading head 21 and makes its bottom
Treat geodesic structure 8 to be loaded, loading head 21 can draw the multiple positions loading for treating geodesic structure 8 fixed on fixed support 1
Pressure sensor 31 can gather loading head 21 and treat the contact signal between geodesic structure 8, and by contact signal transmission
To data processing output device 4, Real-time Collection and the monitoring of the stress for treating geodesic structure 8 are realized；The portable stress of the present invention
Treating in strain measurement experimental provision 100 arranges resistance strain gage 32 on geodesic structure 8, resistance strain gage 32 will treat geodesic structure 8
Strain is converted into voltage signal and is transferred to data processing output device 4, realizes the Real-time Collection and prison of the strain for treating geodesic structure 8
Control；The portable stress-strain measurement experimental provision 100 of the present invention carries out mechanical load, pressure using armstrong's patent loading structure
Appropriate and energy monitor in real time, as experiment device for teaching the Comprehensive Experiments such as mechanical analysis, stress-strain measurement can be completed, can
Carry out stress-strain measurement to thin plate, cantilever beam etc., and the general structure of device has very high stablizing in loading procedure
Property and reliability；The portable overall structure of stress-strain measurement experimental provision 100 is simple, be easy to carry and Fast Installation is debugged.
Further, armstrong's patent loading structure be screw slider mechanism (i.e. guilde screw slide block mechanism), screw slider machine
Structure includes the leading screw 24 being vertically arranged, and slide block 26 is arranged on leading screw 24, and leading screw 24 drives slide block 26 vertically to move, loading head 21
It is fixedly connected with slide block 26 by tension-compression sensor 31.
Further, as shown in Figure 1 and Figure 2, armstrong's patent loading structure includes being vertically arranged with horizontal slide rail 13 and energy edge
The slip longeron 22 of the level that horizontal slide rail 13 is slided, is fixed with down-set vertical supports 23 on slip longeron 22, erect
Rotate on support 23 and be provided with the above-mentioned leading screw 24 in being vertically arranged, be fixed with vertical supports 23 and the parallel interval of leading screw 24
The upright guide rail 25 of setting, slides on upright guide rail 25 and is arranged above-mentioned slide block 26, is provided with what is matched with leading screw 24 on slide block 26
The screwed hole of insertion, leading screw 24 is worn by screwed hole, and the pilot hole of insertion is additionally provided with slide block 26, and upright guide rail 25 wears
By pilot hole, in the present embodiment, the quantity of upright guide rail 25 is two, and pilot hole matches setting with upright guide rail 25.
Be fixedly connected sequentially from top to bottom tension-compression sensor 31 and loading head 21 on the side of slide block 26.The top of tension-compression sensor 31 leads to
Mode connects for screw is crossed on slide block 26, the top of loading head 21 is threaded connection the bottom for being fixed on tension-compression sensor 31.Leading screw
24 rotational band movable sliders 26 are moved up and down, and then drive tension-compression sensor 31 and loading head 21 to move up and down, screw slider mechanism
Drive loading head 21 to move down and realize the mechanical load that loading head 21 treats geodesic structure 8, mechanical load pressure is appropriate, loading procedure
It is steady reliable, it is suitable for carrying out stress-strain measurement to thin plate, cantilever beam etc..
Further, as shown in Figure 1 and Figure 2, slip longeron 22 be provided with can transversely slide rail 13 slide traversing guide pad
221.In a specific embodiment of the present invention, traversing guide pad 221 is connected by screw in the bottom of slip longeron 22.
Further, as shown in Figure 1 and Figure 2, the top of leading screw 24 is turned through slip longeron 22 and is connected by shaft coupling 241
It is connected to hand-operated wheel 242.Operating personnel drive the synchronous axial system of leading screw 24, the positive and negative rotation of leading screw 24 by rotating hand-operated wheel 242
Band movable slider 26 is moved up and down, and then drives loading head 21 to move up and down.
Further, as shown in Figure 1 and Figure 2, the bottom of slip longeron 22 is connected with transition connecting plate 27, transition connecting plate 27
Lower section connection vertical supports 23.In a specific embodiment of the present invention, transition connecting plate 27 is connected by screw in slip
On longeron 22.
Further, as shown in Figure 1 and Figure 2, vertical supports 23 include the rack plate that top is connected with transition connecting plate 27
231, in a specific embodiment of the present invention, rack plate 231 is connected by screw in transition connecting plate 27.Rack plate
231 side is fixedly connected a vertical connecting plate 232, and the bottom of vertical connecting plate 232 is connected with support base plate 233, in this reality
In applying mode, vertical supports 23 are in " [" type is arranged, and leading screw 24, upright guide rail 25 are arranged on " the opening side of [" type, top of support
Plate 231, vertical connecting plate 232 and support base plate 233 are fixedly connected by welding；The top of leading screw 24 is rotated successively by support
Top board 231, transition connecting plate 27 and slip longeron 22, the bottom of leading screw 24 is rotationally connected with support base plate 233, in this enforcement
In mode, the first through hole is set on rack plate 231, the second through hole is set in transition connecting plate 27, on slip longeron 22
3rd through hole is set, and the first through hole, the second through hole and the 3rd through hole are coaxially disposed, and in the 3rd through hole silk is provided with
Thick stick upper bearing (metal), the top of leading screw 24 sequentially pass through the first through hole, the second through hole and with the 3rd through hole in leading screw on axle
Hold；The 4th through hole is provided with support base plate 233, leading screw lower bearing is provided with the 4th through hole, the bottom of leading screw 24 turns
It is dynamic to be arranged in leading screw lower bearing.The top of upright guide rail 25 is fixedly connected on rack plate 231, the bottom of upright guide rail 25
It is fixedly connected on support base plate 233.
Further, as shown in Fig. 2 loading head 21 is a column structure, the bottom of column structure is provided with diameter downwards gradually
The circular cone top 211 of contracting.Circular cone top 211 realizes loading head 21 and contacts with the point of the top surface for treating geodesic structure 8, and the top of loading head 21 is solid
The tension-compression sensor 31 of fixed connection can detect the contact of the point.The side wall upper part of column structure arranges connection screw thread section,
Column structure is connected to the bottom of tension-compression sensor 31 by connection screw thread section.
Further, as shown in figure 1, the top of fixed support 1 is provided with parallel interval and positioned at the first of same level height
Crossbeam 11 and second cross beam 12, in the present embodiment, the structure of first crossbeam 11 and second cross beam 12 and equivalently-sized, first
Guide rail is provided with crossbeam 11 and second cross beam 12, two parallel guide rails constitute above-mentioned horizontal slide rail 13, slip longeron
22 are located between two first crossbeams 11 and second cross beam 12, and the two ends of slip longeron 22 are equipped with can be along the horizontal stroke of slide
Move guide pad 221.First crossbeam 11 and the two ends of second cross beam 12 have been respectively fixedly connected with the first longitudinal beam connected 14 and the second connection
Longeron 15, fixed support 1 also includes the base 16 be arrangeding in parallel with first crossbeam 11, between the first longitudinal beam connected 14 and base 16
Be provided with vertically and two the first vertical beams 17 arranging of parallel interval, be provided between the second longitudinal beam connected 15 and base 16 vertically and
Two the second vertical beams 18 that parallel interval is arranged, are provided between two the second vertical beams 18 and are set with the parallel interval of the second longitudinal beam connected 15
The intermediate transverse girder 19 put, one end for treating geodesic structure 8 is removedly connected on intermediate transverse girder 19, treats that one end of geodesic structure 8 can edge
The length direction movement adjustment link position of intermediate transverse girder 19, in a specific embodiment of the present invention, sets on intermediate transverse girder 19
Be equipped with strip (or Long Circle) open-work of up/down perforation, treat geodesic structure 8 carry out ess-strain detect when, geodesic structure 8 will be treated
The underface of loading head 21 is positioned over, and the one end for treating geodesic structure 8 is fixedly connected on into intermediate transverse girder 19 by screw bolt and nut
On, the other end for treating geodesic structure 8 is extended from intermediate transverse girder 19 to the inner side of fixed support 1.When needs will treat the edge of geodesic structure 8
When the length direction of intermediate transverse girder 19 moves adjustment, unclamping screw bolt and nut will treat geodesic structure 8 along the length side of intermediate transverse girder 19
To movement, move to when requiring test position, reusing screw bolt and nut will treat that geodesic structure 8 is fixedly connected on intermediate transverse girder 19
On.In the present embodiment, first crossbeam 11, second cross beam 12, the first longitudinal beam connected 14, the second longitudinal beam connected 15, base 16,
First vertical beam 17, the second vertical beam 18 and intermediate transverse girder 19 are interconnected to constitute fixation by connecting bolt and aluminium section connecting pieces 10
Support 1.
Further, first crossbeam 11, second cross beam 12, the first longitudinal beam connected 14, the second longitudinal beam connected 15, base 16,
The material of one vertical beam 17, the second vertical beam 18 and intermediate transverse girder 19 is aluminium section bar.Aluminium section bar ensure that support bracket fastened rigidity,
And its density is relatively low, the very light in weight of fixed support 1 is enabled to, be easy to assemble and carry.
Further, as shown in figure 1, being fixedly installed data collecting card 51 on fixed support 1, in the present embodiment, number
It is NI capture cards according to capture card 51；One end of data collecting card 51 by wire respectively with tension-compression sensor 31 and resistance strain gage
32 connections, the other end of data collecting card 51 connects data processing output device 4 by USB interface 52.The bottom of loading head 21
When treating the top surface contact pressure of geodesic structure 8, tension-compression sensor 31 gathers loading head 21 and treats the contact between geodesic structure 8
Signal, and be translated into voltage signal and be transferred to data collecting card 51；Whne geodesic structure 8 is pressurized bend when, resistance-strain
The resistance value of piece 32 will change, resistance strain gage 32 by the strain signal for treating geodesic structure 8 be converted into voltage signal and by its
Data collecting card 51 is transferred to, data collecting card 51 is transferred to collect two kinds of voltage signals at data by USB interface
Reason output device 4, data processing output device 4 reads two kinds of voltage signals, it is processed and ess-strain is carried out shown
Show, operating personnel carry out monitor in real time by data processing output device 4 to contact signal and strain signal.In this enforcement
In mode, data processing output device 4 is computer.
The vertical loading device for measuring force of the portable stress-strain measurement experimental provision of the present invention is arranged in which can move horizontally
On fixed support, loading head can be moved up and down, and manually mechanical load structure moves down loading head and makes its bottom to knot to be measured
Structure is loaded, and loading head can be to the multiple positions loading for treating geodesic structure fixed on fixed support, and tension-compression sensor can
Gather loading head and treat the contact signal between geodesic structure, and fill contact signal transmission to data processing output
Put, realize Real-time Collection and the monitoring of the stress for treating geodesic structure；In the portable stress-strain measurement experimental provision of the present invention
Treat resistance strain gage is set on geodesic structure, the strain for treating geodesic structure is converted into voltage signal and is transferred to data by resistance strain gage
Output device is processed, Real-time Collection and the monitoring of the strain for treating geodesic structure is realized；The portable stress-strain measurement of the present invention
Experimental provision carries out mechanical load, the appropriate simultaneously energy monitor in real time of pressure, as education experiment dress using armstrong's patent loading structure
Putting can complete the Comprehensive Experiments such as mechanical analysis, stress-strain measurement, can carry out ess-strain survey to thin plate, cantilever beam etc.
Amount, and the general structure of device has very high stability and reliability in loading procedure；The portable stress of the present invention
Fixed support in strain measurement experimental provision is made using aluminium section bar, small volume, lightweight, and overall structure is simple, be easy to take
Band and Fast Installation are debugged.
Schematically specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of the design without departing from the present invention and principle,
The scope of protection of the invention should be belonged to.
Claims (11)
1. a kind of portable stress-strain measurement experimental provision, it is characterised in that the portable stress-strain measurement experiment dress
Put including fixed support, the support bracket fastened top is provided with horizontally disposed horizontal slide rail, the fixed support and described
Horizontal slide rail is axially parallel arranged treats geodesic structure, and described one end for treating geodesic structure is removedly connected to the fixed support
On, the fixed support is provided with can be along horizontal slide rail slip, erecting from the support bracket fastened top down setting
To loading device for measuring force, the vertical loading device for measuring force includes armstrong's patent loading structure, the armstrong's patent loading structure
On be connected with can move up and down and bottom can with the loading head of the top surface abutting contact for treating geodesic structure, the loading head
Top be connected with the armstrong's patent loading structure by tension-compression sensor, the tension-compression sensor can gather the loading head and
The contact signal treated between geodesic structure and data processing output device can be given by the contact signal transmission,
The top surface for treating geodesic structure is provided with resistance strain gage, and the resistance strain gage can pass the strain signal for treating geodesic structure
It is defeated by data processing output device.
2. portable stress-strain measurement experimental provision as claimed in claim 1, it is characterised in that the armstrong's patent loading
Structure is screw slider mechanism, and the screw slider mechanism includes the leading screw being vertically arranged, slide block is arranged on the leading screw, described
Leading screw drives the slide block vertically to move, and the loading head is fixedly connected by the tension-compression sensor with the slide block.
3. portable stress-strain measurement experimental provision as claimed in claim 2, it is characterised in that the armstrong's patent loading
Structure includes the slip longeron of the level that be vertically arranged with the horizontal slide rail and can slide along the horizontal slide rail, the cunning
Down-set vertical supports are fixed with dynamic longeron, are rotated in the vertical supports and is provided with the leading screw, described vertical
The upright guide rail arranged with the leading screw parallel interval is fixed with frame, sliding on the upright guide rail is arranged the slide block,
The screwed hole of the insertion matched with the leading screw is provided with the slide block, the leading screw is worn by the screwed hole, described
It is additionally provided with the pilot hole of insertion on slide block, the upright guide rail is worn by the pilot hole, the side of the slide block is from upper
And under be fixedly connected sequentially the tension-compression sensor and the loading head.
4. portable stress-strain measurement experimental provision as claimed in claim 3, it is characterised in that set on the slip longeron
There is the traversing guide pad that can be slided along the horizontal slide rail.
5. portable stress-strain measurement experimental provision as claimed in claim 3, it is characterised in that the top of the leading screw turns
It is dynamic to be connected with hand-operated wheel through the slip longeron and by shaft coupling.
6. portable stress-strain measurement experimental provision as claimed in claim 3, it is characterised in that the bottom of the slip longeron
Portion is connected with transition connecting plate, and the lower section of the transition connecting plate connects the vertical supports.
7. portable stress-strain measurement experimental provision as claimed in claim 6, it is characterised in that the vertical supports include
The rack plate that top is connected with the transition connecting plate, the side of the rack plate is fixedly connected a vertical connecting plate, institute
The bottom for stating vertical connecting plate is connected with support base plate, and the top of the leading screw is rotated successively by the rack plate, described
Transition connecting plate and the slip longeron, the bottom of the leading screw is rotationally connected with the support base plate, the upright guide rail
Top be fixedly connected on the rack plate, the bottom of the upright guide rail is fixedly connected on the support base plate.
8. portable stress-strain measurement experimental provision as claimed in claim 1, it is characterised in that the loading head is to justify
Rod structure, the bottom of the column structure is provided with diameter circular cone top tapered downwards.
9. portable stress-strain measurement experimental provision as claimed in claim 1, it is characterised in that the fixed support includes
Parallel interval and positioned at the first crossbeam and second cross beam of same level height, on the first crossbeam and the second cross beam
Guide rail is provided with, two parallel guide rails constitute the horizontal slide rail, the first crossbeam and the second cross beam
Two ends have been respectively fixedly connected with the first longitudinal beam connected and the second longitudinal beam connected, and the fixed support also includes and the first crossbeam
The base be arrangeding in parallel, is provided with vertically and parallel interval arrange two the between first longitudinal beam connected and the base
One vertical beam, is provided with vertically and two the second vertical beams arranging of parallel interval, two between second longitudinal beam connected and the base
The intermediate transverse girder arranged with the second longitudinal beam connected parallel interval, the geodesic structure for the treatment of are provided between individual second vertical beam
One end is removedly connected on the intermediate transverse girder, and the other end for treating geodesic structure is from the intermediate transverse girder to the fixation
The inner side of support is extended.
10. portable stress-strain measurement experimental provision as claimed in claim 9, it is characterised in that the first crossbeam, institute
State second cross beam, first longitudinal beam connected, second longitudinal beam connected, the base, first vertical beam, described second erect
The material of beam and the intermediate transverse girder is aluminium section bar.
11. portable stress-strain measurement experimental provisions as claimed in claim 1, it is characterised in that on the fixed support
Be fixedly installed data collecting card, one end of the data collecting card by wire respectively with the tension-compression sensor and the electricity
Resistance foil gauge connection, the other end of the data collecting card connects the data processing output device by USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180385.XA CN106644439A (en) | 2016-12-19 | 2016-12-19 | Portable stress strain measurement experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180385.XA CN106644439A (en) | 2016-12-19 | 2016-12-19 | Portable stress strain measurement experimental device |
Publications (1)
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621370A (en) * | 2017-08-14 | 2018-01-23 | 江苏科达车业有限公司 | A kind of side pedal tramples experimental rig |
| CN107782624A (en) * | 2017-12-05 | 2018-03-09 | 福建福联精编有限公司 | Portable compressed stress-strain characteristics tester |
| CN108507712A (en) * | 2017-05-23 | 2018-09-07 | 太仓市伦文机械有限公司 | A kind of stress test equipment |
| CN109459220A (en) * | 2018-11-27 | 2019-03-12 | 江苏徐工工程机械研究院有限公司 | A kind of Double-wheel milling power head test tool |
| CN109556843A (en) * | 2018-11-14 | 2019-04-02 | 中国直升机设计研究所 | Rotor system Calibrating experimental bench |
| CN110095106A (en) * | 2019-05-30 | 2019-08-06 | 中铁大桥局集团有限公司 | The calibrating installation and method of bridge construction scene structural deformation measurement sensor |
| CN110672321A (en) * | 2019-10-18 | 2020-01-10 | 洛阳轴承研究所有限公司 | Device for measuring radial load deformation of bearing |
| CN112525736A (en) * | 2021-02-08 | 2021-03-19 | 中国航发上海商用航空发动机制造有限责任公司 | Fan blade cantilever beam element level strength test method |
| CN112985285A (en) * | 2021-02-08 | 2021-06-18 | 内蒙古工业大学 | Automatic detection test bed for strip-shaped welding stress deformation |
| CN113252272A (en) * | 2021-06-02 | 2021-08-13 | 上海交通大学 | Periodic pulse multidirectional impact test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079293U (en) * | 1990-07-13 | 1991-06-19 | 胡祥银 | Multi-function material testing machine |
| CN203231938U (en) * | 2013-05-03 | 2013-10-09 | 上海建科检验有限公司 | Stress fatigue testing device for stone material of building curtain wall |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN103698225A (en) * | 2013-12-16 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Four-point bending elastic parameter measuring method and four-point bending elastic parameter measuring system |
| CN203672705U (en) * | 2014-01-26 | 2014-06-25 | 成都德翔科技有限公司 | Multifunctional electric experiment table based on material mechanics |
| CN204808677U (en) * | 2015-06-30 | 2015-11-25 | 安徽三联学院 | Many functional material experiments of machanics device |
-
2016
- 2016-12-19 CN CN201611180385.XA patent/CN106644439A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079293U (en) * | 1990-07-13 | 1991-06-19 | 胡祥银 | Multi-function material testing machine |
| CN103454156A (en) * | 2012-05-28 | 2013-12-18 | 富泰华工业（深圳）有限公司 | Drawing force testing mechanism and drawing force testing method |
| CN203231938U (en) * | 2013-05-03 | 2013-10-09 | 上海建科检验有限公司 | Stress fatigue testing device for stone material of building curtain wall |
| CN103698225A (en) * | 2013-12-16 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Four-point bending elastic parameter measuring method and four-point bending elastic parameter measuring system |
| CN203672705U (en) * | 2014-01-26 | 2014-06-25 | 成都德翔科技有限公司 | Multifunctional electric experiment table based on material mechanics |
| CN204808677U (en) * | 2015-06-30 | 2015-11-25 | 安徽三联学院 | Many functional material experiments of machanics device |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507712A (en) * | 2017-05-23 | 2018-09-07 | 太仓市伦文机械有限公司 | A kind of stress test equipment |
| CN107621370A (en) * | 2017-08-14 | 2018-01-23 | 江苏科达车业有限公司 | A kind of side pedal tramples experimental rig |
| CN107782624A (en) * | 2017-12-05 | 2018-03-09 | 福建福联精编有限公司 | Portable compressed stress-strain characteristics tester |
| CN109556843A (en) * | 2018-11-14 | 2019-04-02 | 中国直升机设计研究所 | Rotor system Calibrating experimental bench |
| CN109459220A (en) * | 2018-11-27 | 2019-03-12 | 江苏徐工工程机械研究院有限公司 | A kind of Double-wheel milling power head test tool |
| CN110095106A (en) * | 2019-05-30 | 2019-08-06 | 中铁大桥局集团有限公司 | The calibrating installation and method of bridge construction scene structural deformation measurement sensor |
| CN110672321A (en) * | 2019-10-18 | 2020-01-10 | 洛阳轴承研究所有限公司 | Device for measuring radial load deformation of bearing |
| CN110672321B (en) * | 2019-10-18 | 2021-02-23 | 洛阳轴承研究所有限公司 | Device for measuring radial load deformation of bearing |
| CN112525736A (en) * | 2021-02-08 | 2021-03-19 | 中国航发上海商用航空发动机制造有限责任公司 | Fan blade cantilever beam element level strength test method |
| CN112985285A (en) * | 2021-02-08 | 2021-06-18 | 内蒙古工业大学 | Automatic detection test bed for strip-shaped welding stress deformation |
| CN112985285B (en) * | 2021-02-08 | 2022-05-27 | 内蒙古工业大学 | Automatic detection test bed for strip-shaped welding stress deformation |
| CN113252272A (en) * | 2021-06-02 | 2021-08-13 | 上海交通大学 | Periodic pulse multidirectional impact test device |
| CN113252272B (en) * | 2021-06-02 | 2022-07-26 | 上海交通大学 | Periodic pulse multidirectional impact test device |
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Application publication date: 20170510 |