CN208505772U - A kind of thin plate Bauschinger effect test fixture - Google Patents
A kind of thin plate Bauschinger effect test fixture Download PDFInfo
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- CN208505772U CN208505772U CN201821249308.XU CN201821249308U CN208505772U CN 208505772 U CN208505772 U CN 208505772U CN 201821249308 U CN201821249308 U CN 201821249308U CN 208505772 U CN208505772 U CN 208505772U
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Abstract
The utility model belongs to automotive sheet processing technique field, discloses a kind of thin plate Bauschinger effect test fixture, comprising: upper fixture block and lower fixture block；The through-hole vertically movable for thin plate is offered in upper fixture block, through-hole is arranged to the upper accommodating cavity to match with thin plate, and the lower end surface of upper fixture block is arranged to upper sliding bevel；It is offered in lower fixture block and upper accommodating cavity, in the vertical direction, the lower accommodating cavity of face；Sliding limiting groove is offered on the top surface of lower fixture block, the lower slider inclined-plane offered on the bottom surface of limiting groove with the cooperation of upper sliding bevel is slided in sliding limiting groove in the lower end of upper fixture block, and upper sliding bevel is slidingly born against on lower slider inclined-plane；The reset spring of restricted upper fixture block falling tendency is connected between upper fixture block and lower fixture block.Fixture provided by the utility model can overcome attitude offsets, the excessive deformation of thickness direction.
Description
Technical field
The utility model relates to automotive sheet processing technique field, in particular to a kind of thin plate Bauschinger effect test clip
Tool.
Background technique
With the continuous development of automotive light weight technology, application of the high strength steel plate on automobile becomes more and more common.Meanwhile it is high
There is rebound in stamping automobile metal plate work in strong Automobile Plate.
In the prior art, in order to which material forming bounce situations are better anticipated, need to obtain the Bauschinger effect number of material
According to.Bauschinger effect refers to material after the stretch, the feelings that the yield strength of yield strength ratio original state reduces when reverse compression
Condition.But auto sheet feeder is usually relatively thin, in Opposite side loading compression, is easy to happen attitude offsets, the excessive deformation of thickness direction etc.
The case where unstability, leads to measurement data and unreliable.
Utility model content
The utility model provides a kind of thin plate Bauschinger effect test fixture, solves automotive sheet material in the prior art and compresses
When, the technical issues of attitude offsets, unstability caused by the excessive deformation of thickness direction.
In order to solve the above technical problems, the utility model provides a kind of thin plate Bauschinger effect test fixture, comprising: on
Fixture block and lower fixture block；
The through-hole vertically movable for thin plate is offered in the upper fixture block, the through-hole is arranged to match with the thin plate
Upper accommodating cavity, and the lower end surface of the upper fixture block is arranged to upper sliding bevel；
It is offered in the lower fixture block and the upper accommodating cavity, in the vertical direction, the lower accommodating cavity of face；
Sliding limiting groove is offered on the top surface of the lower fixture block, the lower end of the upper fixture block is limited embedded in the sliding
In groove, offer the lower slider inclined-plane with the upper sliding bevel cooperation on the bottom surface of the sliding limiting groove, it is described on
Sliding bevel is slidingly born against on the lower slider inclined-plane；Wherein, under the width and the upper fixture block of the sliding limiting groove
The width at end matches, and the length of the sliding limiting groove is greater than the length of the upper fixture block lower end；
The reset spring of the restricted upper fixture block falling tendency is connected between the upper fixture block and the lower fixture block.
Further, the upper fixture block includes: the first upper clamp plate, the second upper clamp plate and upper clamp plate bracket；
First upper clamp plate and second upper clamp plate are arranged in parallel, and are fixed by the upper clamp plate bracket；
The gap to match with the lamella thickness, shape are provided between first upper clamp plate and second upper clamp plate
At the upper accommodating cavity；
The lower end surface of first upper clamp plate opens up into sliding bevel on first, slidingly bears against the lower slider inclined-plane
On, the lower end surface of second upper clamp plate opens up into sliding bevel on second, slidingly bears against on the lower slider inclined-plane.
Further, the reset spring includes: the first tension spring and the second tension spring；
First tension spring and second tension spring are symmetricly set on the sliding limiting groove two sides；
The first end of first tension spring is connected in the lower fixture block, is located at below the sliding limiting groove, described
The second end of first tension spring is connected on the lateral wall of first upper clamp plate, tenses first upper clamp plate；
The first end of second tension spring is connected in the lower fixture block, is located at below the sliding limiting groove, described
The second end of second tension spring is connected on the lateral wall of second upper clamp plate, tenses second upper clamp plate.
Further, lower fixture block includes: the first lower clamp plate, the second lower clamp plate and lower clamp plate bracket；
First lower clamp plate and second lower clamp plate are arranged in parallel, and are fixed by the lower clamp plate bracket；
The gap to match with the lamella thickness, shape are provided between first lower clamp plate and second lower clamp plate
At the lower accommodating cavity；
The upper end of first lower clamp plate, the side far from second lower clamp plate open up into positive stop lug boss, close to institute
The side top surface for stating the second lower clamp plate opens up into the first lower slider inclined-plane, and sliding bevel slidingly bears against described on described first
Once on sliding bevel；
The upper end of second lower clamp plate, the side far from first lower clamp plate open up into positive stop lug boss, close to institute
The side top surface for stating the first lower clamp plate opens up into the second lower slider inclined-plane, and sliding bevel slidingly bears against described on described second
On two lower slider inclined-planes；
The width on first lower slider inclined-plane is equal with the width of sliding bevel on described first, second lower slider
Inclined-plane is equal with the width of sliding bevel on described second；
The first end of first tension spring is fixed on the lateral wall of first lower clamp plate, and the first of second tension spring
End is fixed on the lateral wall of second lower clamp plate.
Further, offer on described first raised on first on sliding bevel, first lower slider is opened on inclined-plane
Equipped with the first matched gliding groove, protrusion is in first gliding groove on described first；
Protrusion on second is offered on described second on sliding bevel, offers on second lower slider inclined-plane and matches therewith
The second gliding groove closed, protrusion is in second gliding groove on described second.
Further, the upper clamp plate bracket includes: upper bolt strut；
The upper bolt strut is fixed between first upper clamp plate and second upper clamp plate；
The lower clamp plate bracket includes: lower bolt strut；
The lower bolt strut is fixed between first lower clamp plate and second lower clamp plate.
Further, the reset spring further include: third tension spring and the 4th tension spring；
The first end of the third tension spring is connected to the top of first lower clamp plate, and second end is connected on described first
The top of clamping plate；
The second end of 4th tension spring is connected to the top of second lower clamp plate, and second end is connected on described second
The top of clamping plate；
The second end of first tension spring is fixed on the lower part of first upper clamp plate, and the second end of second tension spring is solid
It is scheduled on the lower part of second upper clamp plate.
Further, the test fixture further include: support plate；
The support plate is fixed on first lower clamp plate and second lower clamp plate bottom.
Further, sliding bevel on described first, sliding bevel on described second, first lower slider inclined-plane and
The inclination angle on second lower slider inclined-plane is 45 degree.
Further, first lower clamp plate and second lower clamp plate use isosceles right-angled triangle plate.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The thin plate Bauschinger effect test fixture provided in the embodiment of the present application, be arranged to can opposite sliding upper fixture block with
And lower fixture block, inhibit excessive deformation on the thickness direction of plate, while can also guarantee the vertical degree of plate, avoids in compression
Posture deflection.Specifically, by offering the through-hole vertically movable for thin plate, the through-hole setting in the upper fixture block
At the upper accommodating cavity to match with the thin plate, offered in the lower fixture block with the upper accommodating cavity, in the vertical direction, just
Pair lower accommodating cavity, to realize the placement handling and attended operation equipment of plate；It is offered on the top surface of the lower fixture block
Limiting groove is slided, the lower end of the upper fixture block is in the sliding limiting groove, on the bottom surface of the sliding limiting groove
The lower slider inclined-plane with the upper sliding bevel cooperation is offered, the upper sliding bevel slidingly bears against the lower slider inclined-plane
On, the length of the sliding limiting groove is greater than the length of the upper fixture block lower end, to realize upper fixture block with respect to lower fixture block
Smooth sliding, to adapt to squeeze operation, meanwhile, the width and the width phase of the upper fixture block lower end of the sliding limiting groove
Match, additionally it is possible to the structural strength of thickness direction be substantially improved, to promote the rejection to the rectangular change of the thickness of plate；It is described
The reset spring that the restricted upper fixture block falling tendency is connected between upper fixture block and the lower fixture block, for avoiding upper fixture block from existing
Self weight, operation of gliding caused by vibration or other disturbance factors, enables the compression procedure for following plate that fixture is stable
Sliding guarantees gripping performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thin plate Bauschinger effect test fixture provided by the utility model；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is upper lower fixture block fit structure schematic diagram provided by the utility model；
Fig. 4 is the structural schematic diagram of the first upper clamp plate provided by the utility model；
Fig. 5 is the structural schematic diagram of the first lower clamp plate provided by the utility model.
Specific embodiment
The embodiment of the present application solves automotive sheet in the prior art by providing a kind of thin plate Bauschinger effect test fixture
When material compression, the technical issues of attitude offsets, unstability caused by the excessive deformation of thickness direction.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
It states technical solution to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this Shen
Please technical solution detailed description, rather than the restriction to technical scheme, in the absence of conflict, the application are real
The technical characteristic applied in example and embodiment can be combined with each other.
Referring to Fig. 1, a kind of thin plate Bauschinger effect test fixture, comprising: upper fixture block 1 and lower fixture block 2；The upper fixture block
The through-hole 3 vertically movable for thin plate is offered in 1, the through-hole is arranged to the upper accommodating cavity 31 to match with the thin plate, from
And plate is easily loaded and unloaded, it is also convenient for its relevant device for connecting squeeze operation.
Offered in the lower fixture block 2 with the upper accommodating cavity 31, in the vertical direction, the lower accommodating cavity 32 of face, from
And guarantee the placement that plate can be stable.
Referring to Fig. 3 and Fig. 4, the lower end surface of the upper fixture block 1 is arranged to upper sliding bevel, on the top surface of the lower fixture block 2
Sliding limiting groove is offered, the lower end of the upper fixture block 1 is in the sliding limiting groove 6, the sliding limiting groove 6
Bottom surface on offer lower slider inclined-plane 61 with the upper sliding bevel cooperation, the upper sliding bevel slidingly bears against described
On lower slider inclined-plane 61；So that the upper fixture block can be realized and smoothly be moved down by oblique sliding.
Wherein, the width of the sliding limiting groove and the width of the lower end of the upper fixture block 1 match, and can also limit
The movement of upper fixture block 1 processed in a thickness direction, so that the effect for keeping it to clamp, maintains the vertical posture and limited thickness of plate
The excessive deformation in direction.The length of the sliding limiting groove is greater than the length of the lower end of the upper fixture block 1；It can be realized more
Reasonable lateral displacement follows movement on vertical direction to realize.
Referring to fig. 2, by connecting restricted 1 falling tendency of the upper fixture block between the upper fixture block 1 and the lower fixture block 2
Reset spring, so that in a non-operative state, the upper fixture block 1 is at a high position, and inhibits at work improper
The trend of downslide guarantees that it can follow squeeze operation to glide.
In the present embodiment, the specific embodiment of the upper fixture block 1 and the lower fixture block 2 is additionally provided, it below will tool
Body explanation.
Referring to Fig. 1, the upper fixture block 1 includes: the first upper clamp plate 11, the second upper clamp plate 12 and upper clamp plate bracket 8.
First upper clamp plate 11 and second upper clamp plate 12 are arranged in parallel, and the plate face of the two is opposite, and by described
Upper clamp plate bracket 8 is fixed, forms an entirety.
It is provided between first upper clamp plate 11 and second upper clamp plate 12 between matching with the lamella thickness
Gap forms the upper accommodating cavity 31, moves inside it for the thin plate.
Referring to fig. 4 and Fig. 5, in view of the structure type of two clamping plates of the upper fixture block 1, two upper clamp plate structures are consistent, with
It is explained for one upper clamp plate 11；The corresponding sliding limiting groove 6 is divided into corresponding to first upper clamp plate 11 and institute
Two parts of the second upper clamp plate 12 are stated, below to be explained for corresponding to the part of first upper clamp plate 11.
The lower end surface of first upper clamp plate 11 opens up into sliding bevel 113 on first, slidingly bears against the lower slider
On inclined-plane 61；Similar, the lower end surface of second upper clamp plate 12 opens up into sliding bevel on second, slidingly bears against described
On lower slider inclined-plane 61.Namely the upper sliding bevel is divided into, is slided on sliding bevel 113 and second on coplanar first
Inclined-plane forms sliding support point in the upper accommodating cavity two sides respectively, realizes Stable sliding support.
In general, the top surface of first upper clamp plate 11 and second upper clamp plate 12 opens up into horizontal plane, with compression
The relevant device of operation stablize against.
In view of the thickness side of the deformation static pressure of thin plate itself in the relative instability and compression process of slide construction
To component to the contention effect of the first upper clamp plate 11 and second upper clamp plate 12, the reset spring includes lower reset spring
4, the lower reset spring 4 includes: the first tension spring and the second tension spring.
First tension spring and second tension spring are symmetricly set on 6 two sides of sliding limiting groove；Namely in institute
2 two sides of lower fixture block are stated, accordingly namely in the outside of first upper clamp plate 11 and second upper clamp plate 12；Described first
The first end of tension spring is connected in the lower fixture block 2, is located at below the sliding limiting groove 6, the second of first tension spring
End is connected on the lateral wall of first upper clamp plate 11, tenses first upper clamp plate 11；Similar, second tension spring
First end be connected in the lower fixture block 2, be located at 6 lower section of the sliding limiting groove, the second end company of second tension spring
It connects on the lateral wall of second upper clamp plate 12, tenses second upper clamp plate 12, realize that both direction applies pulling force, thus
The trend for coping with the deflection in both direction, the movement of the upper fixture block 1 is limited on the lower slider inclined-plane 61.
Similar referring to Fig. 1 and Fig. 5, lower fixture block 2 includes: the first lower clamp plate 21, the second lower clamp plate 22 and lower clamp plate
Bracket 7.
First lower clamp plate 21 and second lower clamp plate 22 are arranged in parallel, and the plate face of the two is oppositely arranged, and is passed through
The lower clamp plate bracket 7 is fixed, forms an entirety.
It is provided between first lower clamp plate 21 and second lower clamp plate 22 between matching with the lamella thickness
Gap forms the lower accommodating cavity 32, for the thin plate in compression, moves inside it.
The upper end of first lower clamp plate 21, the side far from second lower clamp plate 22 open up into positive stop lug boss 62,
Side top surface close to second lower clamp plate opens up into the first lower slider inclined-plane 61, and sliding bevel 113 slides on described first
It is resisted against on first lower slider inclined-plane 61；It is oblique that the namely described sliding of first upper clamp plate 11 is shelved on first lower slider
On face 61, lateral surface bottom is resisted against on the inner sidewall of the positive stop lug boss 62, realizes the limit of thickness direction, is avoided compressed
Lateral displacement in journey guarantees the morphological stability on gauge of sheet direction；In general, first upper clamp plate 11 is interior
Side wall is coplanar with the inner sidewall of first lower clamp plate 21.
Similar, the upper end of second lower clamp plate 22, the side far from first lower clamp plate opens up into limit
Boss, the side top surface close to first lower clamp plate open up into the second lower slider inclined-plane, and sliding bevel slides on described second
It is resisted against on second lower slider inclined-plane；The namely described second upper clamp plate sliding is shelved on second lower slider inclined-plane
On, lateral surface bottom is resisted against on the inner sidewall of the positive stop lug boss, is realized the limit of thickness direction, is avoided in compression process
Lateral displacement guarantees the morphological stability on gauge of sheet direction；In general, inner sidewall and the institute of second upper clamp plate
The inner sidewall for stating the second lower clamp plate is coplanar.
In general, the width on first lower slider inclined-plane 61 is equal with the width of sliding bevel 113 on described first, it is described
Second lower slider inclined-plane is equal with the width of sliding bevel on described second；By first upper clamp plate 11, the second upper clamp plate 12
Gap between the positive stop lug boss is restricted to minimum, the whole thickness direction relative to the lower fixture block 2 of reduction upper fixture block 1
On gap, so that the sliding on thickness direction be greatly reduced.
Correspondingly, the first end of first tension spring is fixed on the lateral wall of first lower clamp plate 21, described second
The first end of tension spring is fixed on the lateral wall of second lower clamp plate 22.In general, respectively in first upper clamp plate 11
With the fastener that protrusion is respectively set on the lateral wall of the first lower clamp plate 21, such as bolt, bulge-structure etc. is separately connected described
The both ends of one tension spring；Similar, it is respectively set on the lateral wall of second upper clamp plate 12 and the second lower clamp plate 22 respectively
The fastener of protrusion, such as bolt, bulge-structure etc. are separately connected the both ends of second tension spring；Avoid scratching upper fixture block 1 under
Fixture block 2 guarantees the reliability of force.
Referring to Fig. 3 and Fig. 4, in general, the bottom end of first upper clamp plate 11 is integrally embedded in the sliding limiting groove 6
It is interior；It is, of course, also possible to which the lower end of first upper clamp plate 11 to be opened up into the stairstepping matched with the positive stop lug boss 62
Structure is arranged to sliding bevel 113 and the concave structure 112 with the positive stop lug boss 62 cooperation on first；The spill
The bottom surface of structure 112 and the top surface of the positive stop lug boss 62 are arranged to the inclined-plane slidably cooperated, with described first on slide
Inclined-plane 113 is parallel, further promotes sliding and limit performance.
Further, raised on first, first lower slider can also be opened up on sliding bevel 113 on described first
The first matched gliding groove is offered on inclined-plane 61, protrusion is embedded in first gliding groove on described first, thus
The side wall of first upper clamp plate 11 and bottom end form two position limiting structures, guarantee attitude stability of the upper clamp plate in moving process.
Match, offers protrusion, second lower slider on second on sliding bevel on described second and opened on inclined-plane
Equipped with the second matched gliding groove, protrusion is in second gliding groove on described second, thus in the second upper clamp plate
Side wall and bottom end form two position limiting structures, guarantee attitude stability of the upper clamp plate in moving process.
In general, in order to simplify clamp structure, in position under the premise of structural reliability, the upper clamp plate bracket 8 is wrapped
It includes: upper bolt strut；The upper bolt strut is fixed between first upper clamp plate 11 and second upper clamp plate 12；It is described
Lower clamp plate bracket 7 includes: lower bolt strut；The lower bolt strut is fixed on first lower clamp plate 21 and the second lower folder
Between plate 22.
Specifically, the upper bolt strut is more, is connected on first upper clamp plate 11 and described second
Each border region of clamping plate 12, the slab structure based on clamping plate form a stable frame-shaped structure；Correspondingly, under described
Bolt strut is also more, is connected to each border region of first lower clamp plate 21 and second lower clamp plate 22,
Slab structure based on clamping plate forms a stable frame-shaped structure.
In order to further enhance the posture reliability in upper fixture block moving process, the reset spring includes upper reset spring
9, the upper reset spring 9 further include: third tension spring and the 4th tension spring.
Specifically, the first end of the third tension spring is connected to the top of first lower clamp plate 21, second end connection
On the top of first upper clamp plate 11；The second end of 4th tension spring is connected to the top of second lower clamp plate 22, the
Two ends are connected to the top of second upper clamp plate 12；The second end of first tension spring is fixed on first upper clamp plate 11
Lower part, the second end of second tension spring are fixed on the lower part of second upper clamp plate 12.It is, respectively in upper fixture block 1
Mobile forward side and it is mobile after to side be respectively formed elastic stretching structure, stable upper fixture block 1 is pressed on lower fixture block 2 from two
On, especially after mounting to working stage, it is avoided to influence the posture of inner sheet.
In order to guarantee the stabilization of fixture at work, the test fixture further include: support plate；The support plate is fixed on
First lower clamp plate 21 and 22 bottom of the second lower clamp plate；That is, forming a biggish stress basal plane, unbalance stress is avoided
Fixture postures are caused to tilt.
Further, sliding bevel 113 on described first, sliding bevel, first lower slider inclined-plane on described second
61 and second lower slider inclined-plane inclination angle be 45 degree；The mobile displacement of balanced transversal and vertically movable amplitude.
Specifically, first lower clamp plate 21 and second lower clamp plate 22 use isosceles right-angled triangle plate.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
The thin plate Bauschinger effect test fixture provided in the embodiment of the present application, be arranged to can opposite sliding upper fixture block with
And lower fixture block, inhibit excessive deformation on the thickness direction of plate, while can also guarantee the vertical degree of plate, avoids in compression
Posture deflection.Specifically, by offering the through-hole vertically movable for thin plate, the through-hole setting in the upper fixture block
At the upper accommodating cavity to match with the thin plate, offered in the lower fixture block with the upper accommodating cavity, in the vertical direction, just
Pair lower accommodating cavity, to realize the placement handling and attended operation equipment of plate；It is offered on the top surface of the lower fixture block
Limiting groove is slided, the lower end of the upper fixture block is in the sliding limiting groove, on the bottom surface of the sliding limiting groove
The lower slider inclined-plane with the upper sliding bevel cooperation is offered, the upper sliding bevel slidingly bears against the lower slider inclined-plane
On, the length of the sliding limiting groove is greater than the length of the upper fixture block lower end, to realize upper fixture block with respect to lower fixture block
Smooth sliding, to adapt to squeeze operation, meanwhile, the width and the width phase of the upper fixture block lower end of the sliding limiting groove
Match, additionally it is possible to the structural strength of thickness direction be substantially improved, to promote the rejection to the rectangular change of the thickness of plate；It is described
The reset spring that the restricted upper fixture block falling tendency is connected between upper fixture block and the lower fixture block, for avoiding upper fixture block from existing
Self weight, operation of gliding caused by vibration or other disturbance factors, enables the compression procedure for following plate that fixture is stable
Sliding guarantees gripping performance.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of thin plate Bauschinger effect test fixture characterized by comprising upper fixture block and lower fixture block；
The through-hole vertically movable for thin plate is offered in the upper fixture block, the through-hole is arranged to match with the thin plate upper
Accommodating cavity, and the lower end surface of the upper fixture block is arranged to upper sliding bevel；
It is offered in the lower fixture block and the upper accommodating cavity, in the vertical direction, the lower accommodating cavity of face；
Sliding limiting groove is offered on the top surface of the lower fixture block, the lower end of the upper fixture block is embedded in the sliding limiting groove
It is interior, the lower slider inclined-plane with the upper sliding bevel cooperation, the upper sliding are offered on the bottom surface of the sliding limiting groove
Inclined-plane is slidingly born against on the lower slider inclined-plane；Wherein, the width of the sliding limiting groove and the upper fixture block lower end
Width matches, and the length of the sliding limiting groove is greater than the length of the upper fixture block lower end；
The reset spring of the restricted upper fixture block falling tendency is connected between the upper fixture block and the lower fixture block.
2. thin plate Bauschinger effect test fixture as described in claim 1, which is characterized in that the upper fixture block includes: first
Upper clamp plate, the second upper clamp plate and upper clamp plate bracket；
First upper clamp plate and second upper clamp plate are arranged in parallel, and are fixed by the upper clamp plate bracket；
It is provided with the gap to match with the lamella thickness between first upper clamp plate and second upper clamp plate, forms institute
State accommodating cavity；
The lower end surface of first upper clamp plate opens up into sliding bevel on first, slidingly bears against on the lower slider inclined-plane, institute
The lower end surface for stating the second upper clamp plate opens up into sliding bevel on second, slidingly bears against on the lower slider inclined-plane.
3. thin plate Bauschinger effect test fixture as claimed in claim 2, which is characterized in that the reset spring includes:
One tension spring and the second tension spring；
First tension spring and second tension spring are symmetricly set on the sliding limiting groove two sides；
The first end of first tension spring is connected in the lower fixture block, is located at below the sliding limiting groove, described first
The second end of tension spring is connected on the lateral wall of first upper clamp plate, tenses first upper clamp plate；
The first end of second tension spring is connected in the lower fixture block, is located at below the sliding limiting groove, described second
The second end of tension spring is connected on the lateral wall of second upper clamp plate, tenses second upper clamp plate.
4. thin plate Bauschinger effect test fixture as claimed in claim 3, which is characterized in that lower fixture block includes: the first lower folder
Plate, the second lower clamp plate and lower clamp plate bracket；
First lower clamp plate and second lower clamp plate are arranged in parallel, and are fixed by the lower clamp plate bracket；
It is provided with the gap to match with the lamella thickness between first lower clamp plate and second lower clamp plate, forms institute
State lower accommodating cavity；
The upper end of first lower clamp plate opens up into positive stop lug boss far from the side of second lower clamp plate, close to described the
The side top surface of two lower clamp plates opens up into the first lower slider inclined-plane, and sliding bevel is slidingly born against under described first on described first
On sliding bevel；
The upper end of second lower clamp plate opens up into positive stop lug boss far from the side of first lower clamp plate, close to described the
The side top surface of one lower clamp plate opens up into the second lower slider inclined-plane, and sliding bevel is slidingly born against under described second on described second
On sliding bevel；
The width on first lower slider inclined-plane is equal with the width of sliding bevel on described first, second lower slider inclined-plane
It is equal with the width of sliding bevel on described second；
The first end of first tension spring is fixed on the lateral wall of first lower clamp plate, and the first end of second tension spring is solid
It is scheduled on the lateral wall of second lower clamp plate.
5. thin plate Bauschinger effect test fixture as claimed in claim 4, it is characterised in that:
Protrusion on first is offered on described first on sliding bevel, is offered on first lower slider inclined-plane matched
First gliding groove, protrusion is in first gliding groove on described first；
Protrusion on second is offered on described second on sliding bevel, is offered on second lower slider inclined-plane matched
Second gliding groove, protrusion is in second gliding groove on described second.
6. thin plate Bauschinger effect test fixture as claimed in claim 5, which is characterized in that the upper clamp plate bracket includes:
Upper bolt strut；
The upper bolt strut is fixed between first upper clamp plate and second upper clamp plate；
The lower clamp plate bracket includes: lower bolt strut；
The lower bolt strut is fixed between first lower clamp plate and second lower clamp plate.
7. such as the described in any item thin plate Bauschinger effect test fixtures of claim 4~6, which is characterized in that the reset bullet
Spring further include: third tension spring and the 4th tension spring；
The first end of the third tension spring is connected to the top of first lower clamp plate, and second end is connected to first upper clamp plate
Top；
The second end of 4th tension spring is connected to the top of second lower clamp plate, and second end is connected to second upper clamp plate
Top；
The second end of first tension spring is fixed on the lower part of first upper clamp plate, and the second end of second tension spring is fixed on
The lower part of second upper clamp plate.
8. thin plate Bauschinger effect test fixture as claimed in claim 7, which is characterized in that the test fixture further include:
Support plate；
The support plate is fixed on first lower clamp plate and second lower clamp plate bottom.
9. thin plate Bauschinger effect test fixture as claimed in claim 7, it is characterised in that: sliding bevel on described first,
The inclination angle of sliding bevel, first lower slider inclined-plane and second lower slider inclined-plane is 45 degree on described second.
10. thin plate Bauschinger effect test fixture as claimed in claim 8, it is characterised in that: first lower clamp plate and institute
The second lower clamp plate is stated using isosceles right-angled triangle plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821249308.XU CN208505772U (en) | 2018-08-03 | 2018-08-03 | A kind of thin plate Bauschinger effect test fixture |
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| CN201821249308.XU CN208505772U (en) | 2018-08-03 | 2018-08-03 | A kind of thin plate Bauschinger effect test fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033798A (en) * | 2020-08-26 | 2020-12-04 | 北京理工大学 | Baxinge effect test fixture |
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2018
- 2018-08-03 CN CN201821249308.XU patent/CN208505772U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033798A (en) * | 2020-08-26 | 2020-12-04 | 北京理工大学 | Baxinge effect test fixture |
| US11674871B2 (en) | 2020-08-26 | 2023-06-13 | Beijing Institute Of Technology | Bauschinger effect test fixture |
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