CN106198184A - The loader of a kind of material stiffness test and using method thereof - Google Patents
The loader of a kind of material stiffness test and using method thereof Download PDFInfo
- Publication number
- CN106198184A CN106198184A CN201610470551.3A CN201610470551A CN106198184A CN 106198184 A CN106198184 A CN 106198184A CN 201610470551 A CN201610470551 A CN 201610470551A CN 106198184 A CN106198184 A CN 106198184A
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- China
- Prior art keywords
- loading dolly
- pushing
- dolly
- withstanding
- rotary shaft
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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
- G01N3/02—Details
-
- 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
- G01N2203/0032—Generation of the force using mechanical means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Handcart (AREA)
Abstract
nullA kind of loader of material stiffness test，Including frame (5)、The loading dolly (9) that can move left and right in described frame (5) and be fixed at described frame (5) left end the clamping bench (11) for clamping workpiece (1)，Wherein，The right side of described loading dolly (9) is fixedly connected with external thread sleeve (7) in order to stretch into the hollow inside of rotary shaft (6) female thread ring portion (71) threaded engagement with described rotary shaft (6) left end，The right-hand member of described rotary shaft (6) couples with the outputting axial power of the driving motor (8) on boss (51) right flank being installed on described frame (5)，From a left side, the right side is provided with two roll wheel assemblies (91) in the downside of described loading dolly (9)，Each described roll wheel assembly (91) all includes being installed by unilateral bearing and in order to the roller engaged with described frame (5).
Description
Technical field
The present invention relates to material testing apparatus field, the loader of a kind of material stiffness test and user thereof
Method.
Background technology
The rigidity test of material is important indicator for the material property of workpiece.Material may go out under different load
Existing different deformation, thus show different rigidity characteristics.More existing test equipment be for material be continuously applied by
Cumulative big load, and measure the deflection of generation during the course.Due to dynamic and the instantaneity of measurement of load variations,
This mode easily causes measurement error.And in the equipment for fixed value formula imposed load, due to the discreteness of fixed value, because of
This some position performance being difficult to obtain expected value at any time.And, during the holding of fixed value, it is susceptible to load slight fluctuations,
Thus cause measurement error.And though some equipment ensure that certainty of measurement, relatively costly, maintenance work is multiple
Miscellaneous.
Summary of the invention
It is an object of the invention to provide loader and the using method thereof of a kind of material stiffness test, it is possible to solve existing
Problem in technology.
The loader tested by the material stiffness of the present invention, including frame, adding of can moving left and right in described frame
Carrying dolly and be fixed at described frame left end the clamping bench for clamping workpiece, wherein, the right side of described loading dolly is solid
There is external thread sleeve fixed connection in order to stretch into the hollow inside of rotary shaft the female thread ring portion screw thread with described rotary shaft left end
Coordinate, the right-hand member of described rotary shaft and the outputting axial power connection driving motor on the boss right flank being installed on described frame
Connecing, from a left side, the right side is provided with two roll wheel assemblies in the downside of described loading dolly, and each described roll wheel assembly all includes by unidirectional
Bearing is installed and in order to the roller engaged with described frame, thus rolls with described frame when described roller rotates and coordinate with right
The motion of described loading dolly guides, and coordinates with described frame to stop the fortune of described loading dolly when fixing
Dynamic, each described roll wheel assembly also includes the slide lock locking member for coordinating with the outer ring periphery of described unilateral bearing, each
Described slide lock locking member is all connected with respective retracted for clearance spring, and downside be provided with for corresponding unilateral bearing
The locking liner that outer ring periphery engages, upper side end is provided with inclined plane part, and wherein, described loading dolly also includes adding described in edge
The operation bar carrying the longitudinal direction of dolly and extend, the left part of described operation bar is positioned on two described slide lock locking member, and with
Two described slide lock locking member corresponding positions that left and right is arranged are respectively arranged with left pushing and withstanding wedge portion's section and right pushing and withstanding wedge portion
Section, the left and right sides of described left pushing and withstanding wedge portion section is respectively left withdrawal par and a left side and backs down par, described right pushing and withstanding
The left and right sides of wedge portion section is respectively right withdrawal par and the right side and backs down par, and the right part of described operation bar is slide-and-guide
Portion, is slidably matched in order to the inner chamber with external thread sleeve, and the middle part of described operation bar is provided with operation and protrudes in order to operate described
The side-to-side movement of operation bar, the outer surface that described operation is protruded is coated with a plastics external member, is provided with one in described plastics external member
Protruding, with described operation, the deep gouge matched, described plastics external member, in order to protect described operation to protrude, prevents described operation from protruding
Outer surface because making described operation protrude during operating with for a long time produces wear phenomenon, thus, as described behaviour
Moving to when left position as bar, a described left side is backed down par and right backs down par oblique with corresponding slide lock locking member respectively
Face coordinates thus slide lock locking member pushes the outer ring periphery engaging corresponding unilateral bearing, now, described unilateral bearing
Only allow described loading dolly to left movement and stop moving right of described loading dolly under the driving of described rotary shaft；When
Described operation bar moves to when right position, described left withdrawal par and right withdrawal par respectively with corresponding slide lock
The inclined plane part of part coordinates thus by slide lock locking member and corresponding unilateral bearing under the effect of respective retracted for clearance spring
Outer ring periphery disengages, and now, described loading dolly is allowed to side-to-side movement；Wherein, arrange below the left end of described rotary shaft
Having a limit sensors, described limit sensors to electrically connect with described driving motor, described limit sensors drives described in working as
When dynamic dolly is driven by described driving motor and moved right and contacts with described limit sensors, described limit sensors transmits
Signal also controls described driving motor and shuts down, thus prevent described driving dolly from moving right the excess of stroke and with described rotary shaft
Left end collide, the upside of described loading dolly can be provided with pushing and withstanding slide block slidably, and the left side of described pushing and withstanding slide block is used
Load to carry out test in engaging described workpiece, the right side of described pushing and withstanding slide block and the top pressure bullet pressed on car top protrusion
Spring connects.
According to the present invention, the using method of the loader of above-mentioned material stiffness test, first, by described clamping workpiece in
On described clamping bench, and described operation bar is moved to described in left position, so that described loading dolly is only permitted to the left
Motion, under the driving effect of described driving motor, described loading dolly is gradually to left movement, when described pushing and withstanding slide block is to described
When the load that workpiece applies reaches the first level, described loading dolly stop motion is so that the load of described first level is protected
Hold certain time；Afterwards, described loading dolly continues to left movement, so that the load that pushing and withstanding slide block applies to described workpiece
Reach the second level and keep certain time；When described workpiece is unloaded by needs, operate described operation bar thus it is positioned at institute
State in right position, in order to described pushing and withstanding slide block is with described to allow described driving motor to be driven such that to the right by described loading dolly
Workpiece departs from.
By such scheme, due to take can the roller of single roll, and this one-way performance is to handle solution
Remove, thereby it is ensured that after operation possesses this one-way performance, it is possible to workpiece is realized the load of monotone increasing, and
And this load can apply keep constant and continue the desired time period.This has the advantage that for measuring accurate deflection.
Then can allow for material is unloaded by releasing this one-way performance.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the charger of the present invention.
Fig. 2 is the enlarged diagram of the operation bar in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1-2, embodiments of the invention are described in detail.
The loader of the material stiffness test according to embodiment, including frame 5, can move left and right in described frame 5
Load dolly 9 and be fixed at described frame 5 left end the clamping bench 11 for clamping workpiece 1, wherein, described loading dolly 9
Right side be fixedly connected with that external thread sleeve 7 is internal in order to the hollow stretching into rotary shaft 6 and interior spiral shell with described rotary shaft 6 left end
Stricture of vagina ring portion 71 threaded engagement, the right-hand member of described rotary shaft 6 and the driving motor on boss 51 right flank being installed on described frame 5
The outputting axial power of 8 couples, and from a left side, the right side is provided with two roll wheel assemblies 91, each described rolling in the downside of described loading dolly 9
Wheel assembly 91 all includes being installed by unilateral bearing and in order to the roller engaged with described frame 5, thus when described roller rotates
Roll to coordinate with described frame 5 and guide with the motion to described loading dolly 9, and join with described frame 5 when fixing
Closing to stop the motion of described loading dolly 9, each described roll wheel assembly 91 also includes for the outer ring with described unilateral bearing
The slide lock locking member 92 that periphery coordinates, each described slide lock locking member 92 is all connected with respective retracted for clearance spring 931, and
Downside is provided with the locking liner 920 for engaging with the outer ring periphery of corresponding unilateral bearing, and upper side end is provided with
Inclined plane part 921, wherein, described loading dolly 9 also includes the operation bar 4 extended along the longitudinal direction of described loading dolly 9, described behaviour
The left part making bar 4 is positioned on two described slide lock locking member 92, and two the described slide lock locking member 92 arranged with left and right
Corresponding position is respectively arranged with left pushing and withstanding wedge portion section 424 and right pushing and withstanding wedge portion section 435, described left pushing and withstanding wedge portion section
The left and right sides of 424 is respectively left withdrawal par 42 and a left side and backs down par 44, the left and right of described right pushing and withstanding wedge portion section 435
Both sides are respectively right withdrawal par 43 and the right side and back down par 45, and the right part of described operation bar 4 is slide-and-guide portion 47, in order to
Being slidably matched with the inner chamber of external thread sleeve 7, the middle part of described operation bar 4 is provided with operation and protrudes 41 in order to operate described operation
The side-to-side movement of bar 4, described operation is protruded the outer surface of 41 and is coated with a plastics external member 411, arranges in described plastics external member 411
Having one to protrude 41 deep gouges 412 matched with described operation, described plastics external member 411 is in order to protect described operation protrusion 41, anti-
The most described operation protrudes 41 because making the outer surface of described operation protrusion 41 produce abrasion during operating with for a long time
Phenomenon, thus, when described operation bar 4 moves in left position, par 44 is backed down on a described left side and 45 points, par is backed down on the right side
Do not coordinate with the inclined plane part 921 of corresponding slide lock locking member 92 thus slide lock locking member 92 is pushed and engages corresponding unilateral bearing
Outer ring periphery, now, described unilateral bearing only allows described loading dolly 9 to transport to the left under the driving of described rotary shaft 6
Move and stop moving right of described loading dolly 9；When described operation bar 4 moves in right position, described left withdrawal is smooth
Portion 42 and right withdrawal par 43 inclined plane part 921 with corresponding slide lock locking member 92 respectively coordinates thus multiple in respective contraction
Under the effect of position spring 931, slide lock locking member 92 is disengaged with the outer ring periphery of corresponding unilateral bearing, now, described loading
Dolly 9 is allowed to side-to-side movement；Wherein, a limit sensors 30, described spacing biography it are provided with below the left end of described rotary shaft 6
Sensor 30 electrically connects with described driving motor 8, and described limit sensors 30 is in order to when described driving dolly 9 is by described driving motor
8 when driving and move right and contact with described limit sensors 30, and described limit sensors 30 transmits signal and controls described
Drive motor 8 to shut down, thus prevent described driving dolly 9 from moving right the excess of stroke and occur with the left end of described rotary shaft 6
Collision, the upside of described loading dolly 9 can be provided with pushing and withstanding slide block 93 slidably, and the left side of described pushing and withstanding slide block 93 is used for engaging
Described workpiece 1 loads to carry out test, the right side of described pushing and withstanding slide block 93 and the top pressure bullet pressed on car top protrusion 941
Spring 94 connects.
Valuably or exemplarily, the roller that described and described frame 5 engages is gear, it is nibbled with the tooth bar in frame 5
Close.Optionally or alternatively, described roller can be that rubbing surface engages with the joint of frame.
According to embodiment, the using method of the loader of described material stiffness test, first, described workpiece 1 is clamped in
On described clamping bench 11, and described operation bar 4 is moved to described in left position, so that described loading dolly 9 is only permitted
To left movement, under the driving effect of described driving motor 8, described loading dolly 9 is gradually to left movement, when described pushing and withstanding slide block
93 when the load that described workpiece 1 applies reaches the first level, and the stop motion of described loading dolly 9 is so that described first water
Flat load keeps certain time；Afterwards, described loading dolly 9 continues to left movement, so that pushing and withstanding slide block 93 is to described
The load that workpiece 1 applies reaches the second level and keeps certain time；When described workpiece 1 is unloaded by needs, operate described behaviour
Make bar 4 thus it is positioned at described in right position, in order to allow described driving motor 8 to be driven to the right by described loading dolly 9 so that
Obtain described pushing and withstanding slide block 93 to depart from described workpiece 1.
Due to take can the roller of single roll, and this one-way performance can handle releasing, therefore, it is possible to
Ensure after operation possesses this one-way performance, it is possible to workpiece is realized the load of monotone increasing, and this load can
Apply keep constant and continue the desired time period.This has the advantage that for measuring accurate deflection.And it is this by releasing
One-way performance then can allow for unloading material.Whole apparatus structure is compact, reliable, it is possible to effectively solve existing skill
Problem in art.
By with upper type, those skilled in the art can make various within the scope of the invention according to mode of operation
Change.
Claims (2)
1. the loader of a material stiffness test, it is characterised in that: include frame (5), move about the upper energy of described frame (5)
Dynamic loading dolly (9) and be fixed at described frame (5) left end the clamping bench (11) for clamping workpiece (1), wherein, institute
The right side stating loading dolly (9) is fixedly connected with external thread sleeve (7) in order to stretch into the hollow inside of rotary shaft (6) and with described
Female thread ring portion (71) threaded engagement of rotary shaft (6) left end, the right-hand member of described rotary shaft (6) be installed on described frame (5)
Boss (51) right flank on the outputting axial power of driving motor (8) couple, the downside of described loading dolly (9) is from left and right
Two roll wheel assemblies (91) are installed, each described roll wheel assembly (91) all include being installed by unilateral bearing and in order to described machine
The roller that frame (5) engages, thus roll with described frame (5) when described roller rotates and coordinate with to described loading dolly (9)
Motion guide, and coordinate with described frame (5) when fixing with stop described loading dolly (9) motion, each
Described roll wheel assembly (91) also includes the slide lock locking member (92) for coordinating with the outer ring periphery of described unilateral bearing, each
Described slide lock locking member (92) is all connected with respective retracted for clearance spring (931), and downside is provided with for corresponding
The locking liner (920) that the outer ring periphery of unilateral bearing engages, upper side end is provided with inclined plane part (921), wherein, described in add
Carry the operation bar (4) that dolly (9) also includes extending, the left part position of described operation bar (4) along the longitudinal direction of described loading dolly (9)
On two described slide lock locking member (92), and two described slide lock locking member (92) corresponding positions arranged with left and right
It is respectively arranged with left pushing and withstanding wedge portion section (424) and right pushing and withstanding wedge portion section (435), described left pushing and withstanding wedge portion section (424)
The left and right sides be respectively left withdrawal par (42) and par (44) is backed down on a left side, described right pushing and withstanding wedge portion section (435)
The left and right sides is respectively right withdrawal par (43) and par (45) is backed down on the right side, and the right part of described operation bar (4) is that slip is led
To portion (47), in order to be slidably matched with the inner chamber of external thread sleeve (7), the middle part of described operation bar (4) is provided with operation and protrudes
(41) in order to operate the side-to-side movement of described operation bar (4), described operation is protruded the outer surface of (41) and is coated with a plastics external member
(411), it is provided with one in described plastics external member (411) and protrudes the deep gouge (412) that (41) match, described plastics with described operation
External member (411), in order to protect described operation to protrude (41), prevents described operation from protruding (41) because operating with process for a long time
In and make described operation protrude (41) outer surface produce wear phenomenon, thus, when described operation bar (4) moves in left position
When putting, par (44) is backed down on a described left side and the right side back down par (45) respectively with the inclined plane part of corresponding slide lock locking member (92)
(921) coordinate thus slide lock locking member (92) is pushed the outer ring periphery engaging corresponding unilateral bearing, now, described unidirectional
Bearing only allows described loading dolly (9) to left movement and stop described loading dolly (9) under the driving of described rotary shaft (6)
Move right；When described operation bar (4) moves in right position, described left withdrawal par (42) and right withdrawal par
(43) coordinate thus respective retracted for clearance spring (931) with the inclined plane part (921) of corresponding slide lock locking member (92) respectively
Effect under the outer ring periphery of slide lock locking member (92) and corresponding unilateral bearing is disengaged, now, described loading is little
Car (9) is allowed to side-to-side movement；Wherein, a limit sensors (30), described limit it are provided with below the left end of described rotary shaft (6)
Level sensor (30) electrically connects with described driving motor (8), described limit sensors (30) in order to when described driving dolly (9) by
When described driving motor (8) drives and moves right and contact with described limit sensors (30), described limit sensors (30)
Transmission signal also controls described driving motor (8) and shuts down, thus prevent described driving dolly (9) from moving right the excess of stroke and with
The left end of described rotary shaft (6) collides, and the upside of described loading dolly (9) can be provided with pushing and withstanding slide block (93) slidably,
The left side of described pushing and withstanding slide block (93) is used for engaging described workpiece (1) and loads to carry out test, the right side of described pushing and withstanding slide block (93)
Side connects with the top pressure spring (94) pressed on car top protrusion (941).
The using method of the loader of a kind of material stiffness the most as claimed in claim 1 test, it is characterised in that: first, will
Described workpiece (1) is clamped on described clamping bench (11), and by mobile for described operation bar (4) to described in left position, so that
Described loading dolly (9) is only permitted to left movement, under the driving effect of described driving motor (8), described loading dolly (9)
Gradually to left movement, when described pushing and withstanding slide block (93) reaches the first level to the load that described workpiece (1) applies, described loading
Dolly (9) stop motion is so that the load of described first level keeps certain time；Afterwards, described loading dolly (9) is continued
Continue to left movement, so that pushing and withstanding slide block (93) reaches the second level to the load that described workpiece (1) applies and keeps certain
Time；When described workpiece (1) is unloaded by needs, operate described operation bar (4) thus it is positioned at described in right position, in order to permit
Permitted described driving motor (8) and described loading dolly (9) is driven such that to the right described pushing and withstanding slide block (93) and described workpiece (1)
Depart from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470551.3A CN106198184A (en) | 2016-06-24 | 2016-06-24 | The loader of a kind of material stiffness test and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470551.3A CN106198184A (en) | 2016-06-24 | 2016-06-24 | The loader of a kind of material stiffness test and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106198184A true CN106198184A (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470551.3A Pending CN106198184A (en) | 2016-06-24 | 2016-06-24 | The loader of a kind of material stiffness test and using method thereof |
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| Country | Link |
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| CN (1) | CN106198184A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328937A (en) * | 2007-06-19 | 2008-12-24 | 比亚迪股份有限公司 | Tri-state overrunning clutch |
| GB0905637D0 (en) * | 2009-04-01 | 2009-05-13 | Haldex Brake Products Ltd | Brake actuator |
| CN101881710A (en) * | 2010-06-02 | 2010-11-10 | 江苏大学 | Location loading material testing machine |
| CN102023120A (en) * | 2009-09-14 | 2011-04-20 | 北京科技大学 | Fatigue tester for interface between film and substrate |
| CN102967828A (en) * | 2012-11-02 | 2013-03-13 | 福建省福工动力技术股份公司 | Force measuring rack |
| CN204330197U (en) * | 2014-08-19 | 2015-05-13 | 北京航空航天大学 | Combined lens coupling mechanism force test platform |
| CN205301062U (en) * | 2015-12-17 | 2016-06-08 | 山东科技大学 | A horizontal loading device for simulation test is experimental |
-
2016
- 2016-06-24 CN CN201610470551.3A patent/CN106198184A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328937A (en) * | 2007-06-19 | 2008-12-24 | 比亚迪股份有限公司 | Tri-state overrunning clutch |
| GB0905637D0 (en) * | 2009-04-01 | 2009-05-13 | Haldex Brake Products Ltd | Brake actuator |
| CN102023120A (en) * | 2009-09-14 | 2011-04-20 | 北京科技大学 | Fatigue tester for interface between film and substrate |
| CN101881710A (en) * | 2010-06-02 | 2010-11-10 | 江苏大学 | Location loading material testing machine |
| CN102967828A (en) * | 2012-11-02 | 2013-03-13 | 福建省福工动力技术股份公司 | Force measuring rack |
| CN204330197U (en) * | 2014-08-19 | 2015-05-13 | 北京航空航天大学 | Combined lens coupling mechanism force test platform |
| CN205301062U (en) * | 2015-12-17 | 2016-06-08 | 山东科技大学 | A horizontal loading device for simulation test is experimental |
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Application publication date: 20161207 |