CN106353200A - Worm wheel- worm lead screw transmission type two-way stretch test machine - Google Patents
Worm wheel- worm lead screw transmission type two-way stretch test machine Download PDFInfo
- Publication number
- CN106353200A CN106353200A CN201610906748.7A CN201610906748A CN106353200A CN 106353200 A CN106353200 A CN 106353200A CN 201610906748 A CN201610906748 A CN 201610906748A CN 106353200 A CN106353200 A CN 106353200A
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- screw
- bearing
- worm
- block
- clamping
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/16—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces applied through gearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
Abstract
The invention discloses a worm wheel-worm lead screw transmission type two-way stretch test machine, which is characterized by consisting of a rack, a loading power module, a sensor module and a clamping module, wherein the entire loading power module is fixedly arranged on the rack, two clamping heads of the clamping module penetrate through two stretch movement blocks of the loading power module respectively, and a dynamometer and a displacement sensor in the sensor module are also fixed on the loading power module; and after a test sample is fixed on the clamping heads, a motor in the loading power module rotates to drive a worm wheel and a worm, the worm wheel drives two reversed screw-thread ball screws respectively to further drive the two stretch movement blocks to move in opposite directions so as to achieve stretch or compression of the test sample, and stress values and displacement amounts of the test sample during stretching are acquired respectively by virtue of the dynamometer and the displacement sensor in the sensor module. The two-way stretch test machine disclosed by the invention can achieve stretch of small-size samples of a material, thereby assisting research of mechanical properties of a micro-nano structure of the material.
Description
Technical field
The present invention is applied to the Mechanics Performance Testing of metal and nonmetallic materials, specifically a kind of worm gear-worm screw-threaded shaft
Driven type biaxial tensile test machine.
Background technology
Cupping machine is widely used in various metals, nonmetallic, composite, medicine, food, timber, copper material, aluminum
The industries such as material, plastic material, electric wire, paper, thin film, rubber, weaving, Aero-Space carry out the survey of tensile property index
Examination, particularly various new materials, new technology emerge in an endless stream at this stage, the processing dimension more next moon miniaturization of various devices, for
The test of material micro-nano construction machine mechanical performance index is particularly important, because test sample only has millimeter magnitude, sample
Yield force and deformation quantity very little, sample drawing process need ensure sample drawing process do not twist deformation and uniform force,
Domestic cupping machine be simple tension and draw speed larger it is impossible to complete the Mechanics Performance Testing of fine scale.
Content of the invention
The present invention, in order to overcome the shortcomings of existing for above-mentioned prior art, proposes a kind of worm gear-worm screw-threaded shaft driven type two-way
Cupping machine, to being capable of the stretching of material fine dimension sample, thus auxiliary material micro-nano structure mechanical mechanics
The research of energy.
The present invention by solving the technical scheme that technical problem is adopted is:
A kind of feature of present invention worm gear-worm screw-threaded shaft driven type biaxial tensile test machine is including: frame, loads power
Module, sensor assembly and self-clamping module；
Described loading power plant module, sensor assembly and self-clamping module are provided with described frame；
Described frame includes: motor cabinet, motor flange seat, first bearing seat, second bearing seat, 3rd bearing seat, the 4th
Bearing block, 5th bearing seat, 6th bearing seat, 7th bearing seat, 8th bearing seat, the 9th bearing block, the tenth bearing block；
Described loading power plant module includes: motor, gear-box, motor flange, adapter, motor connection axle, worm shaft, the
One worm screw, the first worm gear, the second worm screw, the second worm gear, the 3rd worm screw, the 3rd worm gear, the first reverse thread ball-screw, second
Reverse thread ball-screw, the first stretching movable block, second " π " type stretching movable block；
Described gear-box one end is sleeved on described motor shaft, and another rotating shaft end of described gear-box is fixed on described motor
On flange, described motor flange is fixed on described motor flange seat, and described motor connection axle is passed through described adapter and connected institute
State the rotating shaft end of gear-box, described first worm screw is sleeved in described motor connection axle, divides at the two ends of described motor connection axle
Not She Zhi clutch shaft bearing and second bearing, and described clutch shaft bearing and second bearing are separately fixed at described first bearing seat and institute
State in second bearing seat, for support, spacing and rolling matching structure are formed to described motor connection axle；
In the lower section of described first worm screw, and it is provided with described worm shaft on the direction of described first worm screw；?
Be set with successively on described worm shaft described 3rd bearing, the 3rd packing ring, described first worm gear, the first worm screw packing ring, described
Two worm screws, the second worm screw packing ring, described 3rd worm screw, the 4th packing ring and fourth bearing；And described first worm gear and described first
Worm engaging；Described 3rd bearing and fourth bearing are separately fixed on described tenth bearing block and 7th bearing seat, for right
Described worm shaft forms support, spacing and rolling matching structure；
Described in the first screw of described first reverse thread ball-screw and described second reverse thread ball-screw
Described first stretching movable block is provided with the 4th screw；In the second screw of described first reverse thread ball-screw and described
Described second stretching movable block is provided with described 3rd screw of the second reverse thread ball-screw；
The first reverse thread ball-screw outside described first screw is set with successively the 3rd end cover, first
Bearing group, the first retaining ring, the 6th packing ring, described second worm gear, the 5th packing ring, 5th bearing；And described second worm gear and institute
State the second worm engaging；Described clutch shaft bearing group and 5th bearing are separately fixed at described fourth bearing seat and 3rd bearing seat
On；
The first reverse thread ball-screw outside described second screw is set with second bearing group；And described second
Bearing group is fixed on described 9th bearing block；
The second reverse thread ball-screw outside described 4th screw is set with successively the 4th end cover, the 4th
Bearing group, the second retaining ring, the 7th packing ring, the 3rd worm gear, the 8th packing ring, 6th bearing；And described 3rd worm gear and described the
Three worm engagings；Described fourth bearing group and 6th bearing are separately fixed on described 6th bearing seat and 5th bearing seat；
The second reverse thread ball-screw outside described 3rd screw is set with 3rd bearing group；And the described 3rd
Bearing group is fixed on described 8th bearing seat；
Described loading power plant module passes through described motor-driven gear case and drives turbine and worm to rotate, linkage reverse thread
Ball-screw moves, thus driving the first stretching movable block and second " π " type stretching movable block reverse movement, to realize described examination
The stretching of sample or compression；
Described self-clamping module includes: the first lock-screw, the first clamping head, the second clamping head, the second lock-screw；
Between described first reverse thread ball-screw and the second reverse thread ball-screw, and run through described second and draw
Stretch and described second clamping head is provided with movable block；And the end of described second clamping head is carried out by described second lock-screw
Fixing；
Between described first reverse thread ball-screw and the second reverse thread ball-screw, and run through described first and draw
Stretch and described first clamping head is provided with movable block；And the end of described first clamping head is carried out by described first lock-screw
Fixing；
It is clamped with sample between described first clamping head and described second clamping head；
Described sensor assembly includes: displacement transducer, extension bar, ergometer, ergometer end fixed block, the 3rd locking
Screw, the first travel switch, the second travel switch；
The outside of described first reverse thread ball-screw or the second reverse thread ball-screw is provided with described displacement
Sensor；Institute's displacement sensors are fixed on described second stretching movable block；Institute's displacement sensors pass through the lock pin of its end
It is connected with described extension bar, described extension bar is fixed on described first stretching movable block；
It is provided with described ergometer in the bottom cavity that described second " π " type stretches movable block；Described ergographic it is subject to
Power end is screwed into described second lock-screw, stretches in described second " π " type and is provided with dynamometry at the bottom cavity opening of movable block
Device end fixed block；Described ergometer end fixed block is used for fixing described ergometer；
Described first travel switch is fixed on described 8th bearing seat, for forming described second " π " type stretching movable block
Position limiting structure；
Described second travel switch is fixed on the side of described frame, for forming the spacing of described first stretching movable block
Structure；
Described sensor assembly passes through institute's displacement sensors and obtains the displacement in stretching or compression for the described sample, and
The stress size in stretching or compression for the described sample is obtained by ergometer.
The feature of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention lies also in, described first clamping
The structure of head or the second clamping head includes: briquetting, pinching screw group, the first clamping cushion block, jackscrew, jaw block, the second clamp pad
Block；
Described jaw block is screw-like, and the screw head of described jaw block is provided with rectangular enclosure；Empty in described rectangle
Intracavity is provided with described briquetting；Described briquetting is fixed on the screw head of described jaw block by described pinching screw group；Institute
Show that rectangular enclosure middle position extends internally and be provided with holding chamber；Described clamping intracavity is provided with the first clamping cushion block and institute
State the second clamping cushion block, between the described first clamping cushion block and institute's the second clamping cushion block, be clamped with described test specimen；In described pressure
The couple positioned opposite of block has described jackscrew；Described first clamping cushion block and described second clamping are acted on described briquetting and jackscrew
On cushion block, thus forming the clamping structure of described test specimen.
Compared with the prior art, beneficial effects of the present invention are embodied in:
1st, biaxial orientation stretching machine of the present invention passes through frame, loads the organic of power plant module, sensor assembly and self-clamping module
Combination, using motor rotation, through worm gear, worm screw and reverse thread ball-screw-transmission, and the folder to sample for the clamping head
Hold the biaxial tension (or compression) it is achieved that sample；And the transmission Complete Synchronization of two reverse thread ball-screws, so may be used
To ensure that sample will not be distorted deformation in drawing process.
2nd, the power plant module that loads of biaxial orientation stretching machine of the present invention adopts the reverse thread ball-screw of two synchronous rotaries to tie
Structure, because the reverse property of two parts screw thread of reverse thread ball-screw is so that two be fixed on screw stretch movable blocks
All the time move along contrary direction, improve the transmission efficiency loading power plant module, intersect at simple tension, the present invention
The transmission distance of biaxial orientation stretching machine will reduce one times.
3rd, the loading power plant module of biaxial orientation stretching machine of the present invention adopts the three-level of gear-box and worm and gear engaged transmission
Speed changing structure, it is achieved that the micrometric displacement of sample at the uniform velocity stretches on the premise of motor speed is stable, can be prevented effectively from sample because
The sample causing for draw speed is unstable surprisingly ruptures, the minimum draw speed of sample, is also beneficial to draw out more clear
Clear sample stress strain curve, and then obtain more accurate material mechanical parameters.
4th, biaxial orientation stretching machine sensor assembly of the present invention is using the mounting means being directly anchored on stretching movable block, its
In clamping head connect ergometer and be fixed on stretching movable block, and displacement transducer and extension bar are separately fixed at two
On individual stretching movable block, in sample stretching or compression process, the value of ergometer and displacement transducer output is that sample is the most direct
It is also the most accurate stress value and deflection, solve existing sample real-time stress and deform the difficulty being difficult to accurately measure.
Brief description
Fig. 1 is the structural representation of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 2 is the structure top view of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 3 is the structural representation of the frame of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 4 is the frame front view of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 5 is the motor shaft side partial schematic diagram of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 6 is the motor shaft side part left view of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 7 is the worm shaft side partial schematic diagram of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 8 is the worm shaft side part left view of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Fig. 9 is the reverse ball screw part schematic diagram of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Figure 10 a is the stretching movable block partial schematic diagram of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Figure 10 b is stretching movable block right view in ergometer end in Figure 10 a of the present invention；
Figure 11 a is the clamping head partial schematic diagram of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Figure 11 b is the clamping head partial top view of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine of the present invention；
Figure 11 c is the sectional view of a-a in Figure 11 b of the present invention；
In figure label: 1 frame；2 motor fixing screwed holes；3 motors；4 displacement transducer lock pins；5 gear-boxes；6 extension bars
Fixing screwed hole；7 extension bars；8 first worm screw fixing screwed holes；9 first worm screws；10 first worm gears；11 first worm screw packing rings；12
Second worm gear；13 second worm screws；14 second worm screw packing rings；15 the 3rd worm screws；16 the 3rd worm gears；17 first travel switches；18
One stretching movable block；19 first lock-screws；20 first clamping heads；21 first reverse thread ball-screws；22 second reverse spiral shells
Stricture of vagina ball-screw；23 second stretching displacement blocks；24 second clamping heads；25 second travel switches；26 second travel switch cushion blocks；27
Second lock-screw；28 ergometer end fixed blocks；29 the 3rd lock-screws；30 ergometers；31 displacement transducers；32 displacements pass
Sensor fixing screwed hole；33 motor cabinets；34 motor flange seats；35 first bearing seats；36 second bearing seats；37 3rd bearing seats；
38 fourth bearing seats；39 5th bearing seats；40 6th bearing seats；41 7th bearing seats；42 first travel switch fixing screwed holes；
43 second travel switch fixing screwed holes；44 8th bearing seats；45 the 9th bearing blocks；46 the tenth bearing blocks；47 motor flanges；48
Even machine lock-screw；49 adapters；50 motor connection axles；51 clutch shaft bearings；52 first packing rings；53 second packing rings；54 second
Bearing；55 first motor flange hole groups；56 second motor flange hole groups；57 3rd bearings；58 the 3rd packing rings；59 second worm screws are solid
Determine screw thread；60 the 3rd worm screws fix screw thread；61 the 4th packing rings；62 fourth bearings；63 first end covers；64 worm shafts；65
Two end covers；66 5th bearings；67 the 5th packing rings；68 the 6th packing rings；69 first retaining rings；70 clutch shaft bearing groups；71 the 3rd
End cover；72 first screws；73 second screws；74 second bearing groups；75 ergometer end fixed block fixed screw groups；76
Three bearing group；77 the 3rd screws；78 the 4th screws；79 the 4th end covers；80 fourth bearing groups；81 second retaining rings；82
Seven packing rings；83 the 8th packing rings；84 6th bearings；85 the 5th end covers；86 first through holes；87 second through holes；88 third through-holes；
89 fourth holes；90 fifth holes；91 first stretching movable block fixing screwed hole groups；92 clematis stem holes；93 the 7th through holes；94
Eight through holes；95 the 9th through holes；96 second stretching displacement block fixing screwed hole groups；97 clamping head fixing screwed holes；98 briquettings；99 folders
Tight screw group；100 first clamping cushion blocks；101 jackscrews；102 jaw blocks；103 second clamping cushion blocks.
Specific embodiment
As depicted in figs. 1 and 2, in the present embodiment, a kind of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine, is by machine
Frame, loading power plant module, sensor assembly and self-clamping module are constituted:
Loading power plant module, sensor assembly and self-clamping module are provided with frame 1；
As shown in Figure 3 and Figure 4, frame is that integrative-structure processes, comprising: motor cabinet 33, motor fixing screwed hole 2,
Motor flange seat 34, first bearing seat 35, second bearing seat 36,3rd bearing seat 37, fourth bearing seat 38,5th bearing seat
39th, 6th bearing seat 40,7th bearing seat 41, the first travel switch fixing screwed hole 42, the second travel switch fixing screwed hole
43rd, 8th bearing seat 44, the 9th bearing block 45, the tenth bearing block 46；
Load power plant module to include: motor 3, gear-box 5, motor flange 47, adapter 49, motor connection axle 50, worm screw
Axle 64, the first worm screw 9, the first worm gear 10, the second worm screw 13, the second worm gear 12, the 3rd worm screw 15, the 3rd worm gear 16, first are anti-
Stretch movable block 18, second " π " type stretching movable block to screw thread ball-screw 21, the second reverse thread ball-screw 22, first
23；
As shown in Figure 5 and Figure 6, gear-box 5 one end is sleeved on motor 3 axle, and another rotating shaft end of gear-box 5 passes through motor
Flange 47, is screwed into screw in the first motor flange hole group 55, told gear-box 5 is fixed on motor flange 47, second
Motor flange hole group 56 is screwed into screw, and motor flange 47 is fixed on motor flange seat 34, and motor connection axle 50 is passed through to connect
Device 49 connects the rotating shaft end of gear-box 5, and locked adapter 49 lock-screw, and the first worm screw 9 is sleeved in motor connection axle 50,
It is screwed into jackscrew in the first worm screw fixing screwed hole 8, locking jackscrew the first worm screw 9 is fixed in motor connection axle 50, in electricity
The two ends of machine connecting shaft 50 are respectively provided with clutch shaft bearing 51 and second bearing 54, and clutch shaft bearing 51 and second bearing 54 are solid respectively
It is scheduled in first bearing seat 35 and second bearing seat 36, for motor connection axle 50 is formed with support, spacing and rolling cooperation knot
Structure；
As shown in Figure 7 and Figure 8, in the lower section of the first worm screw 9, and it is provided with worm screw on the direction of the first worm screw 9
Axle 64；Worm shaft 64 is set with successively 3rd bearing 57, the 3rd packing ring 58, the first worm gear 10, the first worm screw packing ring 11,
Two worm screws 13, the second worm screw packing ring 14, the 3rd worm screw 15, the 4th packing ring 61 and fourth bearing 62；And first worm gear 10 and first
Worm screw 9 engages；It is screwed into jackscrew in the second worm screw fixing screwed hole 59 and the 3rd worm screw fixing screwed hole 60 respectively, by the second snail
Bar 13 and the 3rd worm screw 15 are fixed on worm shaft 64, and 3rd bearing 57 and fourth bearing 62 are separately fixed at the tenth bearing block 46
On 7th bearing seat 41, for support, spacing and rolling matching structure are formed to worm shaft 64；
As shown in Fig. 9, Figure 10 a and Figure 10 b, reverse in the first screw 72 and second of the first reverse thread ball-screw 21
It is provided with the first stretching movable block 18 on 4th screw 78 of screw thread ball-screw 22；By the first reverse thread ball-screw 21 He
Second reverse thread ball-screw 22 is each passed through third through-hole 88 and fifth hole 90, fixes screw thread in the first stretching movable block
It is screwed into screw locked in hole group 91 respectively, the first stretching movable block 18 is fixed on the first screw 72 and the 4th screw 78；
Second screw 73 of the first reverse thread ball-screw 21 and the 3rd screw 77 of the second reverse thread ball-screw 22 set
It is equipped with the second stretching movable block 23；First reverse thread ball-screw 21 and the second reverse thread ball-screw 22 other end are divided
Not Chuan Guo the 9th through hole 95 and clematis stem hole 92, be screwed into screw respectively and lock in the second stretching movable block fixing screwed hole group 96
Extremely, the second stretching movable block 23 is fixed on the second screw 73 and the 3rd screw 77,
The first reverse thread ball-screw 21 in the first screw 72 outside is set with successively the 3rd end cover 71, the
One bearing group 70, the first retaining ring 69, the 6th packing ring 68, the second worm gear 12, the 5th packing ring 67,5th bearing 66；Locked first
Retaining ring 69, and the second worm gear 12 engaged with the second worm screw 13；Clutch shaft bearing group 70 and 5th bearing 66 are separately fixed at the 4th
On bearing block 38 and 3rd bearing seat 37；
The first reverse thread ball-screw 21 in the second screw 73 outside is set with second bearing group 74；And second axle
Hold group 74 to be fixed on the 9th bearing block 45；It is right that 9th bearing block 45 is used for together with fourth bearing seat 38 and 3rd bearing seat 37
First reverse thread ball-screw 21 forms support, spacing and rolling matching structure；
The second reverse thread ball-screw 22 in the 4th screw 78 outside is set with successively the 4th end cover 79, the
Four bearing group 80, the second retaining ring 81, the 7th packing ring 82, the 3rd worm gear 16, the 8th packing ring 83,6th bearing 84；Locked second
Retaining ring 81, and the 3rd worm gear 16 engaged with the 3rd worm screw 15；Fourth bearing group 80 and 6th bearing 84 are separately fixed at the 6th
On bearing block 40 and 5th bearing seat 39；
The second reverse thread ball-screw 22 in the 3rd screw 77 outside is set with 3rd bearing group 76；And the 3rd axle
Hold group 76 to be fixed on 8th bearing seat 44；It is right that 8th bearing seat 44 is used for together with 6th bearing seat 40 and 5th bearing seat 39
Second reverse thread ball-screw 22 forms support, spacing and rolling matching structure；
Compared with traditional cupping machine, load power plant module and turbine and worm is driven by motor 3 sliding tooth roller box 5
Rotate, linkage reverse thread ball-screw moves, due to the reverse property of two parts screw thread of ball-screw, thus driving first
Stretching movable block 18 and second " π " type stretching movable block 23 move backward all the time, close to each other or be located remotely from each other, to realize trying
The stretching of sample or compression, can be substantially reduced transmission distance, improve the transmission efficiency of the loading power plant module of stretching-machine；
Because the first reverse thread ball-screw 21 passes through the second worm gear 12 fixed thereon and the second worm screw 13 perfection
Engagement, the second reverse thread ball-screw 22 is passed through the 3rd worm gear 16 fixed thereon and is engaged with the 3rd worm screw 15 perfection, and
Second worm screw 13 and the 3rd worm screw 15 are fixed on same worm shaft, so the first reverse thread ball-screw 21 and second is anti-
To the approximate Complete Synchronization of rotation of screw thread ball-screw 22, so can ensure that sample all the time along rectilinear direction stretching or pressure
Contracting, will not be distorted deformation；
As shown in Figure 11 a, Figure 11 b and Figure 11 c, self-clamping module includes: the first lock-screw 19, the first clamping head 20,
Two clamping heads 24, the second lock-screw 27；
Between the first reverse thread ball-screw 21 and the second reverse thread ball-screw 22, and run through the second stretching shifting
Second clamping head 24 is provided with motion block 23；And second the end of clamping head 24 be fixed by the second lock-screw 27；
Between the first reverse thread ball-screw 21 and the second reverse thread ball-screw 22, and run through the first stretching shifting
First clamping head 20 is provided with motion block 18；And first the end of clamping head 20 be fixed by the first lock-screw 19；
It is clamped with sample between the first clamping head 20 and the second clamping head 24；
As shown in Fig. 1, Figure 10 a and Figure 10 b, sensor assembly includes: displacement transducer 31, extension bar 7, ergometer 30,
Ergometer end fixed block 28, the 3rd lock-screw 29, the first travel switch 17, the second travel switch 25；
The outside of the first reverse thread ball-screw 21 or the second reverse thread ball-screw 22 is provided with displacement sensing
Device 31；Displacement transducer 31 passes through first through hole 86, is screwed into jackscrew locked, by position in displacement transducer fixing screwed hole 32
Displacement sensor 31 is fixed on the second stretching movable block 23；Displacement transducer 31 is connected with extension bar 7 by the lock pin 4 of its end,
Extension bar 7 passes through the second through hole 87, and is used in extension bar screwed hole 6 and is screwed into jackscrew locked, and extension bar 7 is fixed on first
On stretching movable block 18；
It is provided with ergometer 30 in the bottom cavity that second " π " type stretches movable block 23；The force side of ergometer 30 is twisted
Enter the second lock-screw 27, be provided with ergometer end at the bottom cavity opening of second " π " type stretching movable block 23 and fix
Block 28；Ergometer end fixed block 28 is used for fixing ergometer 30；3rd lock-screw 29 passes through the 8th through hole 94 by ergometer
30 are fixed on ergometer end fixed block 28, and because ergometer is directly to be connected with clamping head, ergometer is collected
For being carried in the actual value at sample two ends, thus obtaining more accurately stretching or compression test data；
First travel switch 17 is fixed on 8th bearing seat 44, stretches the spacing of movable block 23 for forming second " π " type
Structure；
Second travel switch 25 is fixed on the side of frame 1, for forming the position limiting structure of the first stretching movable block 18, if
Put the accident that travel switch can be prevented effectively from the collision of two stretchings movable blocks and frames and cause；
Sensor assembly obtains the displacement in stretching or compression for the sample by displacement transducer 31, and passes through ergometer
The 30 acquisition stress sizes in stretching or compression for the sample.
As shown in Fig. 1, Figure 11 a, Figure 11 b and Figure 11 c, the structure of the first clamping head 20 or the second clamping head 24 includes: pressure
Block 98, pinching screw group 99, first clamping cushion block 100, jackscrew 101, jaw block 102, second clamping cushion block 103；
Jaw block 102 is screw-like, and the screw head of jaw block 102 is provided with rectangular enclosure；Set in rectangular enclosure
It is equipped with briquetting 98；Briquetting 98 is fixed on the screw head of jaw block 102 by pinching screw group 99；In the middle of shown rectangular enclosure
Extend internally at position and be provided with holding chamber；Clamping intracavity is provided with the first clamping cushion block 100 and the second clamping cushion block 103,
It is clamped with test specimen between the first clamping cushion block 100 and institute's the second clamping cushion block 103；There is jackscrew in the couple positioned opposite of briquetting 98
101；Act on the first clamping cushion block 100 and the second clamping cushion block 103 with briquetting 98 and jackscrew 101, thus forming test specimen
Clamping structure, by locked pinching screw group 99 and jackscrew 101, you can sample one end is fixed in the first clamping head 20, with
The sample other end can be fixed in the second clamping head 24 for reason.
Claims (2)
1. a kind of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine, it is characterized in that including: frame (1), load power plant module,
Sensor assembly and self-clamping module；
Described loading power plant module, sensor assembly and self-clamping module are provided with described frame (1)；
Described frame (1) includes: motor cabinet (33), motor flange seat (34), first bearing seat (35), second bearing seat (36),
3rd bearing seat (37), fourth bearing seat (38), 5th bearing seat (39), 6th bearing seat (40), 7th bearing seat (41),
Eight bearing blocks (44), the 9th bearing block (45), the tenth bearing block (46)；
Described loading power plant module includes: motor (3), gear-box (5), motor flange (47), adapter (49), motor connection axle
(50), worm shaft (64), the first worm screw (9), the first worm gear (10), the second worm screw (13), the second worm gear (12), the 3rd worm screw
(15), the 3rd worm gear (16), the first reverse thread ball-screw (21), the second reverse thread ball-screw (22), the first stretching
Movable block (18), second " π " type stretching movable block (23)；
Described gear-box (5) one end is sleeved on described motor (3) axle, and another rotating shaft end of described gear-box (5) is fixed on institute
State on motor flange (47), described motor flange (47) is fixed on described motor flange seat (34), described motor connection axle
(50) connect the rotating shaft end of described gear-box (5) by described adapter (49), described first worm screw (9) is sleeved on described motor
In connecting shaft (50), it is respectively provided with clutch shaft bearing (51) and second bearing (54) at the two ends of described motor connection axle (50), and
Described clutch shaft bearing (51) and second bearing (54) are separately fixed at described first bearing seat (35) and described second bearing seat
(36) on, for support, spacing and rolling matching structure are formed to described motor connection axle (50)；
In the lower section of described first worm screw (9), and it is provided with described worm shaft on the direction of described first worm screw (9)
(64)；Described 3rd bearing (57), the 3rd packing ring (58), described first worm gear are set with successively on described worm shaft (64)
(10), the first worm screw packing ring (11), described second worm screw (13), the second worm screw packing ring (14), described 3rd worm screw (15), the 4th
Packing ring (61) and fourth bearing (62)；And described first worm gear (10) engaged with described first worm screw (9)；Described 3rd bearing
(57) it is separately fixed on described tenth bearing block (46) and 7th bearing seat (41), for described snail with fourth bearing (62)
Bar axle (64) forms support, spacing and rolling matching structure；
The first screw (72) and described second reverse thread ball-screw in described first reverse thread ball-screw (21)
(22) described first stretching movable block (18) is provided with described 4th screw (78)；In described first reverse thread ball wire
It is provided with described 3rd screw (77) of second screw (73) of thick stick (21) and described second reverse thread ball-screw (22)
Described second stretching movable block (23)；
The first reverse thread ball-screw (21) outside described first screw (72) is set with the 3rd end cover successively
(71), clutch shaft bearing group (70), the first retaining ring (69), the 6th packing ring (68), described second worm gear (12), the 5th packing ring
(67), 5th bearing (66)；And described second worm gear (12) engaged with described second worm screw (13)；Described clutch shaft bearing group (70)
It is separately fixed on described fourth bearing seat (38) and 3rd bearing seat (37) with 5th bearing (66)；
The first reverse thread ball-screw (21) outside described second screw (73) is set with second bearing group (74)；And
Described second bearing group (74) is fixed on described 9th bearing block (45)；
The second reverse thread ball-screw (22) outside described 4th screw (78) is set with the 4th end cover successively
(79), fourth bearing group (80), the second retaining ring (81), the 7th packing ring (82), the 3rd worm gear (16), the 8th packing ring (83),
Six bearings (84)；And described 3rd worm gear (16) is engaged with described 3rd worm screw (15)；Described fourth bearing group (80) and the 6th
Bearing (84) is separately fixed on described 6th bearing seat (40) and 5th bearing seat (39)；
The second reverse thread ball-screw (22) outside described 3rd screw (77) is set with 3rd bearing group (76)；And
Described 3rd bearing group (76) is fixed on described 8th bearing seat (44)；
Described loading power plant module drives turbine and worm to rotate by described motor (3) sliding tooth roller box (5), the reverse spiral shell of linkage
Stricture of vagina ball-screw moves, thus driving the first stretching movable block (18) and second " π " type stretching movable block (23) reverse movement, with
Realize stretching or the compression of described sample；
Described self-clamping module includes: the first lock-screw (19), the first clamping head (20), the second clamping head (24), the second locking
Screw (27)；
Between described first reverse thread ball-screw (21) and the second reverse thread ball-screw (22), and run through described
It is provided with described second clamping head (24) in two stretchings movable block (23)；And the end of described second clamping head (24) pass through described
Second lock-screw (27) is fixed；
Between described first reverse thread ball-screw (21) and the second reverse thread ball-screw (22), and run through described
It is provided with described first clamping head (20) in one stretching movable block (18)；And the end of described first clamping head (20) pass through described
First lock-screw (19) is fixed；
It is clamped with sample between described first clamping head (20) and described second clamping head (24)；
Described sensor assembly includes: displacement transducer (31), extension bar (7), ergometer (30), ergometer end fixed block
(28), the 3rd lock-screw (29), the first travel switch (17), the second travel switch (25)；
It is provided with described in the outside of described first reverse thread ball-screw (21) or the second reverse thread ball-screw (22)
Displacement transducer (31)；Institute's displacement sensors (31) is fixed on described second stretching movable block (23)；Institute's displacement sensors
(31) described extension bar (7) is connected with by the lock pin (4) of its end, described extension bar (7) is fixed on described first stretching and moves
On motion block (18)；
It is provided with described ergometer (30) in the bottom cavity that described second " π " type stretches movable block (23)；Described ergometer
(30) force side is screwed into described second lock-screw (27), stretches the bottom cavity of movable block (23) in described second " π " type
It is provided with ergometer end fixed block (28) at opening；Described ergometer end fixed block (28) is used for fixing described ergometer
(30)；
Described first travel switch (17) is fixed on described 8th bearing seat (44), moves for forming the stretching of described second " π " type
The position limiting structure of motion block (23)；
Described second travel switch (25) is fixed on the side of described frame (1), for forming described first stretching movable block
(18) position limiting structure；
Described sensor assembly obtains the displacement in stretching or compression for the described sample by institute's displacement sensors (31), and
The stress size in stretching or compression for the described sample is obtained by ergometer (30).
2. worm gear-worm screw-threaded shaft driven type biaxial tensile test machine according to claim 1, is characterized in that, described first folder
The structure of tight head (20) or the second clamping head (24) includes: briquetting (98), pinching screw group (99), the first clamping cushion block (100),
Jackscrew (101), jaw block (102), the second clamping cushion block (103)；
Described jaw block (102) is screw-like, and the screw head of described jaw block (102) is provided with rectangular enclosure；Described
It is provided with described briquetting (98) in rectangular enclosure；Described briquetting (98) is fixed on described jaw by described pinching screw group (99)
The screw head of block (102)；Extend internally in shown rectangular enclosure middle position and be provided with holding chamber；In described clamping intracavity
Be provided with the first clamping cushion block (100) and described second clamping cushion block (103), the described first clamping cushion block (100) and the
It is clamped with described test specimen between two clampings cushion block (103)；There is described jackscrew (101) in the couple positioned opposite of described briquetting (98)；
Described first clamping cushion block (100) and described second clamping cushion block (103) are acted on described briquetting (98) and jackscrew (101)
On, thus forming the clamping structure of described test specimen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906748.7A CN106353200B (en) | 2016-10-17 | 2016-10-17 | A kind of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906748.7A CN106353200B (en) | 2016-10-17 | 2016-10-17 | A kind of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106353200A true CN106353200A (en) | 2017-01-25 |
| CN106353200B CN106353200B (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610906748.7A Active CN106353200B (en) | 2016-10-17 | 2016-10-17 | A kind of worm gear-worm screw-threaded shaft driven type biaxial tensile test machine |
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| CN107256742A (en) * | 2017-07-25 | 2017-10-17 | 上饶市达淋新材料有限公司 | The variable FFC of cross-sectional area of conductor processing method |
| CN107271302A (en) * | 2017-06-27 | 2017-10-20 | 天津大学 | Transmission-type fatigue tester in a kind of large-sized double-shaft face in situ |
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| CN107271302A (en) * | 2017-06-27 | 2017-10-20 | 天津大学 | Transmission-type fatigue tester in a kind of large-sized double-shaft face in situ |
| CN107256742A (en) * | 2017-07-25 | 2017-10-17 | 上饶市达淋新材料有限公司 | The variable FFC of cross-sectional area of conductor processing method |
| CN107256742B (en) * | 2017-07-25 | 2023-05-16 | 上饶市达淋新材料有限公司 | Processing method of FFC with variable conductor section |
| CN107797211A (en) * | 2017-10-17 | 2018-03-13 | 安徽电信器材贸易工业有限责任公司 | A kind of optic cable tension fixing device |
| CN108020398A (en) * | 2017-10-17 | 2018-05-11 | 安徽电信器材贸易工业有限责任公司 | A kind of fiber optic cable twist test device |
| CN108414355B (en) * | 2018-02-11 | 2021-03-23 | 天津大学 | Film stretching and loading unit with position locking function |
| CN108414355A (en) * | 2018-02-11 | 2018-08-17 | 天津大学 | A kind of film tensile loads unit with position lock function |
| CN108760500A (en) * | 2018-06-12 | 2018-11-06 | 哈尔滨工业大学 | A kind of drawing stand for synchrotron radiation light source CT imagings |
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| CN109459301A (en) * | 2018-12-28 | 2019-03-12 | 同济大学 | A kind of mechanics synthetic experiment bench load deflection mechanism |
| CN109459301B (en) * | 2018-12-28 | 2024-02-27 | 同济大学 | Loading displacement mechanism for mechanical comprehensive experiment table |
| CN112555372A (en) * | 2020-12-11 | 2021-03-26 | 中国南方电网有限责任公司超高压输电公司百色局 | Double-shaft transmission lead screw |
| CN112720304A (en) * | 2020-12-28 | 2021-04-30 | 崔光锦 | Clamping device for tensile strength test of new material |
| CN113063672B (en) * | 2021-03-18 | 2022-05-31 | 南京林业大学 | Automatic testing arrangement of rattan tensile properties |
| CN113063672A (en) * | 2021-03-18 | 2021-07-02 | 南京林业大学 | Automatic testing arrangement of rattan tensile properties |
| CN113281150A (en) * | 2021-04-27 | 2021-08-20 | 西安理工大学 | Quick-dismounting device for testing tension performance of material and using method thereof |
| CN113281150B (en) * | 2021-04-27 | 2023-11-07 | 西安理工大学 | Quick release device for testing tensile property of material and application method thereof |
| CN115416606A (en) * | 2022-09-05 | 2022-12-02 | 中国第一汽车股份有限公司 | Door glass blasting escape device and car |
| CN117361827A (en) * | 2023-12-07 | 2024-01-09 | 东海县青湖动物防疫服务有限公司 | Automatic excrement treatment equipment for cultivation house |
| CN117361827B (en) * | 2023-12-07 | 2024-02-27 | 东海县青湖动物防疫服务有限公司 | Automatic excrement treatment equipment for cultivation house |
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