CN106198214A - A kind of material stiffness test charging assembly and using method thereof - Google Patents
A kind of material stiffness test charging assembly and using method thereof Download PDFInfo
- Publication number
- CN106198214A CN106198214A CN201610470534.XA CN201610470534A CN106198214A CN 106198214 A CN106198214 A CN 106198214A CN 201610470534 A CN201610470534 A CN 201610470534A CN 106198214 A CN106198214 A CN 106198214A
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- Prior art keywords
- pushing
- withstanding
- workpiece
- loading dolly
- slide block
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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
-
- 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
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- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
nullA kind of material stiffness test charging assembly，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)，The periphery of described driving motor (8) is provided with a protective enclosure (83)，Described protective enclosure (83) is connected by screw (85) and described boss (51) right flank are fixing，Described protective enclosure (83) medial surface is coated with silencing cotton layer (84).
Description
Technical field
The present invention relates to material testing apparatus field, be specially a kind of material stiffness test charging assembly 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 a kind of material stiffness test charging assembly and using method thereof, it is possible to solve existing
Problem in technology.
Charging assembly is tested, including frame, adding of can moving left and right in described frame by the material stiffness of the present invention
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, the periphery of described driving motor is provided with a protective enclosure, and described protective enclosure is solid with described boss right flank by screw
Fixed connection, described protective enclosure medial surface is coated with silencing cotton layer, and described protective enclosure is in order to play guarantor to described driving motor
Protecting effect, can reduce the noise pollution that described driving motor operationally produces simultaneously, the downside of described loading dolly is from a left side
The right side is provided with two roll wheel assemblies, and each described roll wheel assembly all includes being installed by unilateral bearing and in order to engage with described frame
Roller, thus roll with described frame when described roller rotates and coordinate and guide with the motion to described loading dolly,
And coordinate with described frame when fixing with stop described loading dolly motion, each described roll wheel assembly also include for
The slide lock locking member coordinated with the outer ring periphery of described unilateral bearing, each described slide lock locking member is all multiple with respective contraction
Position spring connects, and downside is provided with the locking liner for engaging, upside with the outer ring periphery of corresponding unilateral bearing
End is provided with inclined plane part, and wherein, described loading dolly also includes the operation bar extended along the longitudinal direction of described loading dolly, institute
The left part stating operation bar is positioned on two described slide lock locking member, and two the described slide lock locking member pair arranged with left and right
Position is answered to be respectively arranged with left pushing and withstanding wedge portion's section and right pushing and withstanding wedge portion section, the left and right two of described left pushing and withstanding wedge portion section
Side is respectively left withdrawal par and a left side and backs down par, and the left and right sides of described right pushing and withstanding wedge portion section is respectively right withdrawal and puts down
Par is backed down on smooth portion and the right side, and the right part of described operation bar is slide-and-guide portion, joins in order to slide with the inner chamber of external thread sleeve
Closing, the middle part of described operation bar is provided with operation and protrudes the side-to-side movement in order to operate described operation bar, thus, when described operation
Bar moves to when left position, a described left side back down par and right back down par respectively with the inclined-plane of corresponding slide lock locking member
Portion coordinates thus slide lock locking member pushes the outer ring periphery engaging corresponding unilateral bearing, and now, described unilateral bearing is only
Allow described loading dolly to left movement and stop moving right of described loading dolly under the driving of described rotary shaft；Work as institute
State operation bar move to when right position, described left withdrawal par and right withdrawal par respectively with corresponding slide lock locking member
Inclined plane part coordinate thus under the effect of respective retracted for clearance spring by slide lock locking member with corresponding unilateral bearing outside
Circle periphery disengages, and now, described loading dolly is allowed to side-to-side movement；Wherein, the upside of described loading dolly can be slidably
Being provided with pushing and withstanding slide block, the left side of described pushing and withstanding slide block is used for engaging described workpiece and loads to carry out test, described pushing and withstanding slide block
Right side with press on car top protrude on top pressure spring be connected, the left side of described pushing and withstanding slide block is fixedly installed by rubber
The protection set that material is made, described protection set in order to described absorption surface thus described in the left-interface of described pushing and withstanding slide block
Play a protective role when workpiece is to test, prevent described pushing and withstanding slide block directly and described absorption surface, it is to avoid described pushing and withstanding
Slide block uses for a long time and the surface of described workpiece is produced abrasion and damages described workpiece.
According to the present invention, the using method of above-mentioned material stiffness test charging assembly, 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.
Material stiffness test charging assembly 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 the periphery of described driving motor 8 is provided with a protective enclosure 83, and described protective enclosure 83 passes through spiral shell
Nail 85 is fixing with described boss 51 right flank to be connected, and described protective enclosure 83 medial surface is coated with silencing cotton layer 84, described protection
Cover body 83 is in order to play a protective role to described driving motor 8, and that can reduce that described driving motor 8 operationally produces makes an uproar simultaneously
Sound pollutes, and from a left side, the right side is provided with two roll wheel assemblies 91 in the downside of described loading dolly 9, and each described roll wheel assembly 91 all wraps
Include and installed by unilateral bearing and in order to the roller engaged with described frame 5, thus roll with described frame 5 when described roller rotates
Dynamic cooperation guides with the motion to described loading dolly 9, and coordinates with described frame 5 when fixing and add described in prevention
Carrying the motion of dolly 9, each described roll wheel assembly 91 also includes the cunning for coordinating with the outer ring periphery of described unilateral bearing
Dynamic locking piece 92, each described slide lock locking member 92 is all connected with respective retracted for clearance spring 931, and downside is provided with use
In the locking liner 920 engaged with the outer ring periphery of corresponding unilateral bearing, 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, and the left part of described operation bar 4 is positioned at
On two described slide lock locking member 92, and two described slide lock locking member 92 corresponding positions arranged with left and right set respectively
Being equipped with left pushing and withstanding wedge portion section 424 and right pushing and withstanding wedge portion section 435, the left and right sides of described left pushing and withstanding wedge portion section 424 is divided
Not backing down par 44 for left withdrawal par 42 and a left side, the left and right sides of described right pushing and withstanding wedge portion section 435 is respectively right receipts
Going back to par 43 and the right side and back down par 45, the right part of described operation bar 4 is slide-and-guide portion 47, in order to external thread sleeve 7
Inner chamber be slidably matched, the middle part of described operation bar 4 be provided with operation protrude 41 in order to operate described operation bar 4 left and right transport
Dynamic, thus, when described operation bar 4 moves in left position, par 44 is backed down on a described left side and par 45 is backed down respectively in the right side
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 left movement under the driving of described rotary shaft 6
And stop moving right of described loading dolly 9；When described operation bar 4 moves in right position, described left withdrawal par
42 and right withdrawal par 43 inclined plane part 921 with corresponding slide lock locking member 92 respectively coordinate thus in respective retracted for clearance
Slide lock locking member 92 being disengaged with the outer ring periphery of corresponding unilateral bearing under the effect of spring 931, now, described loading is little
Car 9 is allowed to side-to-side movement；Wherein, the upside of described loading dolly 9 can be provided with pushing and withstanding slide block 93 slidably, and described pushing and withstanding is sliding
The left side of 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 with press on little roof
The top pressure spring 94 that portion protrudes on 941 connects, and the left side of described pushing and withstanding slide block 93 is fixedly installed the guarantor being made up of elastomeric material
Sheath 29, described protection set 29 is in order to contact with described workpiece 1 thus at workpiece 1 described in the left-interface of described pushing and withstanding slide block 93
Play a protective role during to test, prevent described pushing and withstanding slide block 93 from directly contacting with described workpiece 1, it is to avoid described pushing and withstanding is sliding
Block 93 uses for a long time and the surface of described workpiece 1 is produced abrasion and damages described workpiece 1.
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 described material stiffness test charging assembly, 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. a material stiffness test charging assembly, 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 driving motor (8) outputting axial power couple, the periphery of described driving motor (8) is provided with one
Protective enclosure (83), described protective enclosure (83) is connected by screw (85) and described boss (51) right flank are fixing, described guarantor
Shroud body (83) medial surface is coated with silencing cotton layer (84), and described protective enclosure (83) is in order to play described driving motor (8)
Protective effect, can reduce the noise pollution that described driving motor (8) operationally produces, under described loading dolly (9) simultaneously
From a left side, the right side is provided with two roll wheel assemblies (91) in side, and each described roll wheel assembly (91) all includes being installed by unilateral bearing and using
With the roller engaged with described frame (5), thus roll with described frame (5) when described roller rotates and coordinate to add described
The motion carrying dolly (9) guides, and coordinates with described frame (5) to stop described loading dolly (9) when fixing
Motion, each described roll wheel assembly (91) also includes the slide lock locking member for coordinating with the outer ring periphery of described unilateral bearing
(92), each described slide lock locking member (92) is all connected with respective retracted for clearance spring (931), and downside be provided with for
The locking liner (920) engaged with the outer ring periphery of corresponding unilateral bearing, upper side end is provided with inclined plane part (921), its
In, described loading dolly (9) also includes the operation bar (4) extended along the longitudinal direction of described loading dolly (9), described operation bar
(4) left part is positioned on two described slide lock locking member (92), and two the described slide lock locking member arranged with left and right
(92) 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
The left and right sides in wedge portion section (424) is respectively left withdrawal par (42) and par (44), described right pushing and withstanding wedge are backed down in a left side
The left and right sides of portion's section (435) is respectively right withdrawal par (43) and par (45) is backed down on the right side, described operation bar (4)
Right part is slide-and-guide portion (47), and in order to be slidably matched with the inner chamber of external thread sleeve (7), the middle part of described operation bar (4) sets
Be equipped with operation protrude (41) in order to operate the side-to-side movement of described operation bar (4), thus, when described operation bar (4) moves to
During left position, par (44) is backed down on a described left side and par (45) oblique with corresponding slide lock locking member (92) respectively is backed down on the right side
Face (921) coordinates thus slide lock locking member (92) pushes the outer ring periphery engaging corresponding unilateral bearing, now, described
Unilateral bearing only allows described loading dolly (9) to left movement and stop described loading little under the driving of described rotary shaft (6)
Moving right of car (9)；When described operation bar (4) moves in right position, described left withdrawal par (42) and right withdrawal
Par (43) coordinates thus at respective retracted for clearance spring with the inclined plane part (921) of corresponding slide lock locking member (92) respectively
(931) under effect, the outer ring periphery of slide lock locking member (92) and corresponding unilateral bearing is disengaged, now, described add
Carry dolly (9) and be allowed to side-to-side movement；Wherein, 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), and the left side of described pushing and withstanding slide block (93) is solid
Surely be provided with the protection set (29) being made up of elastomeric material, described protection set (29) in order to contact with described workpiece (1) thus
Play a protective role when workpiece (1) described in the left-interface of described pushing and withstanding slide block (93) is to test, prevent described pushing and withstanding sliding
Block (93) directly contacts with described workpiece (1), it is to avoid described pushing and withstanding slide block (93) uses for a long time and table to described workpiece (1)
Face produces abrasion and damages described workpiece (1).
The using method of a kind of material stiffness the most as claimed in claim 1 test charging assembly, 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 |
|---|---|---|---|
| CN201610470534.XA CN106198214A (en) | 2016-06-24 | 2016-06-24 | A kind of material stiffness test charging assembly and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470534.XA CN106198214A (en) | 2016-06-24 | 2016-06-24 | A kind of material stiffness test charging assembly and using method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106198214A true CN106198214A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470534.XA Pending CN106198214A (en) | 2016-06-24 | 2016-06-24 | A kind of material stiffness test charging assembly and using method thereof |
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| 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 |
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- 2016-06-24 CN CN201610470534.XA patent/CN106198214A/en active Pending
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| 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 |
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Application publication date: 20161207 |