CN208476664U - A kind of magnesium alloy rod stretching clamp - Google Patents
A kind of magnesium alloy rod stretching clamp Download PDFInfo
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- CN208476664U CN208476664U CN201820941862.8U CN201820941862U CN208476664U CN 208476664 U CN208476664 U CN 208476664U CN 201820941862 U CN201820941862 U CN 201820941862U CN 208476664 U CN208476664 U CN 208476664U
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- magnesium alloy
- ring
- alloy rod
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Abstract
The utility model discloses a kind of magnesium alloy rod stretching clamps, including upper fixture, lower fixture；The upper fixture, lower fixture are both connected on stretching testing machine；The upper fixture, lower fixture are used to be clamped with the magnesium alloy rod test specimen of step.It is easy to operate the utility model has the advantages that the utility model structure is simple below the utility model has reached；The structure disassembly of the utility model is easy for installation, and aid is firm, can effectively reduce the time spent by magnesium alloy rod installation process, fundamentally improve the efficiency of tension test；Originally practical to adapt to various sizes of magnesium alloy rod by replacing lower hanging body, support ring, using flexible, save the cost.
Description
Technical field
The utility model category metal material performance test equipment technology field is drawn more particularly to a kind of magnesium alloy rod
Stretch fixture.
Background technique
Magnesium alloy is the alloy that other elements composition is added based on magnesium.Its main feature is that: density is small, and (1.8g/cm3 magnesium closes
Gold left and right), intensity is high, and elasticity modulus is big, good heat dissipation, and absorb shock resistance is good, and it is bigger than aluminium alloy to absorb impact load-carrying ability, resistance to organic matter
It is good with the corrosive nature of alkali.Main alloy element has aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc..At present using most wide
It is magnesium alloy, followed by magnesium-manganese alloy and magnesium zinc zircaloy.It is mainly used for the industry such as Aeronautics and Astronautics, transport, chemical industry, rocket
Department.It is most light metal in practical metal, it is the 1/4 of iron that the specific gravity of magnesium, which is about the 2/3 of aluminium,.It is in practical metal
Most light metal, high-intensitive, high rigidity.
In magnesium alloy production with R&D process, need to be tested for the property magnesium alloy the performance to judge magnesium alloy.
Wherein magnesium alloy materials bar just needs to carry out the extension test of mechanical property.In the prior art, it is often used wedge-shaped hydraulic clip
Tool clamping magnesium alloy rod, but fixture debugging is complicated, and the installation bar time is long, to extend the testing time, reduces inspection
Survey efficiency.
Utility model content
The purpose of this utility model, which is that, overcomes existing technical problem, provides a kind of magnesium alloy rod stretching folder
Tool.
In order to achieve the above objectives, the utility model is implemented according to following technical scheme:
A kind of magnesium alloy rod stretching clamp, including upper fixture, lower fixture；The upper fixture, lower fixture are both connected to
On stretching testing machine；The upper fixture, lower fixture are used to be clamped with the magnesium alloy rod test specimen of step；
The upper fixture includes upper connector, lower hanging body, T-type sprue；The upper connector is threadedly coupled with lower hanging body；Institute
Stating lower hanging body bottom has T-slot；The T-slot shape and magnesium alloy rod test piece end cooperate；
The lower fixture include lower connector, support plate, fixed clamp body, movable cramping body, fixing bolt, support ring,
Snap ring；The support plate bottom thread connects lower connector；The fixed clamp body, movable cramping body can be combined into complete cylinder
Body；The fixed clamp body is fixedly mounted in support plate；The activity cramping body bottom is fixed on support by fixing bolt
On disk；There are support slot A, elongated slot in the rectangular surfaces of the fixed clamp body；The elongated slot is at support slot A；The activity clamping
There is support slot B in the rectangular surfaces of body；The support slot B and support slot A size position consistency；The support ring includes support semi-ring
A, semi-ring B is supported；The support semi-ring A is mounted in support slot A；The support semi-ring B is mounted in support slot B；The branch
Pushing out ring and magnesium alloy rod test piece end cooperate；The fixed clamp body, movable cramping body arcwall face on have L-type slot；
Slide bar is symmetrically distributed in the snap ring；The slide bar can slide in L-type slot；The snap ring can be by fixed clamp
The cylindrical body clamping that body, movable cramping body are combined into.
Preferably, the lower fixture further includes spring top flat；Spring top flat includes spring, top flat；The top flat is welded on
Spring upper end；The spring top flat is mounted in elongated slot；Magnesium alloy rod test piece end can be pressed on branch by the spring top flat
It supports in semi-ring A.
Preferably, the T-type sprue is elastic material.
The action principle of the utility model:
The clamp structure up and down of the utility model is different, and upper fixture is relatively simple, it is only necessary to by the end of magnesium alloy rod
In the T-slot for snapping onto lower hanging body, reuses sprue and block T-slot, prevent the end of magnesium alloy rod from skidding off.Lower hanging body
It can make multiple, the lower hanging body of different T-slot sizes is replaced according to the size of magnesium alloy bar end.
The lower fixture of the utility model include lower connector, support plate, fixed clamp body, movable cramping body, fixing bolt,
Support ring, snap ring.Wherein support ring is mounted on fixed clamp body, inside movable cramping body, and support ring is used for and magnesium alloy rod
End cooperation, therefore support ring can make multiple, and various sizes of magnesium alloy is replaced according to the size of magnesium alloy bar end
Bar.Snap ring is to prevent from dragging bar in tension test by fixed clamp body, movable cramping body lock ring in the horizontal direction
Out, cause tension test to fail, waste test specimen.
Also mountable spring egative film, the installation of the component can make magnesium alloy in the fixed clamp body of fixture under the utility model
The end of bar test specimen is pressed in support semi-ring A, is particularly suitable for shorter bar；And the magnesium alloy rod examination in fixture instantly
It is more convenient in the position for adjusting upper fixture when part installation is firm, the installation of magnesium alloy rod test specimen can be improved to a certain extent
Efficiency.
Magnesium alloy rod installation in the lower fixture of the utility model, is placed into fixed clamp for the end of magnesium alloy rod
In vivo, movable cramping body is closed, fixing bolt is tightened, then set upper snap ring can be installed firm.Not only clamping is firm, and pacifies
Convenient disassembly is filled, the set-up time is saved, improves the efficiency of tension test.
The utility model reached it is following the utility model has the advantages that
The utility model structure is simple, easy to operate；The structure disassembly of the utility model is easy for installation, and aid is firm, energy
It is effective to reduce the time spent by magnesium alloy rod installation process, fundamentally improve the efficiency of tension test；This is practical
Various sizes of magnesium alloy rod can be adapted to by replacing lower hanging body, support ring, using flexible, save the cost.
Detailed description of the invention
Fig. 1 is the main view of the utility model；
Fig. 2 is cross-sectional view of the Fig. 1 along line A-A；
Fig. 3 is the structural schematic diagram of hanging body under the utility model；
Fig. 4 is the bottom view of hanging body under the utility model；
Fig. 5 is the left view of fixture under the utility model；
Fig. 6 is the structural schematic diagram of the utility model fixed clamp body；
Fig. 7 is the structural schematic diagram of the utility model activity cramping body；
Fig. 8 is the structural schematic diagram of the utility model snap ring.
In figure: 1, upper fixture；2, lower fixture；3, upper connector；4, lower hanging body；5, T-type sprue；6, T-slot；7, lower company
Fitting；8, support plate；9, fixed clamp body；10, movable cramping body；11, fixing bolt；12, magnesium alloy rod test specimen；13, block
Ring；14, spring top flat；15, support slot A；16, elongated slot；17, support slot B；18, L-type slot；19, semi-ring A is supported；20, support half
Ring B；21, spring；22, top flat；23, slide bar.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings and specific embodiments, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
As shown in Figures 1 to 8, a kind of magnesium alloy rod stretching clamp, including upper fixture 1, lower fixture 2；Upper fixture 1,
Lower fixture 2 is both connected on stretching testing machine；Upper fixture 1, lower fixture 2 are used to be clamped with the magnesium alloy rod test specimen 12 of step.
Upper fixture 1 includes upper connector 3, lower hanging body 4, T-type sprue 5；Upper connector 3 is threadedly coupled with lower hanging body 4；Lower extension
T-slot 6 is arranged at 4 bottom of body；6 shape of T-slot and 12 end of magnesium alloy rod test specimen cooperate.
Lower fixture 2 includes lower connector 7, support plate 8, fixed clamp body 9, movable cramping body 10, fixing bolt 11, support
Ring, snap ring 13, spring top flat 14.
8 bottom thread of support plate connects lower connector 7.Fixed clamp body 9, movable cramping body 10 can be combined into complete cylinder
Body；Fixed clamp body 9 is fixedly mounted in support plate 8；Movable 10 bottom of cramping body is fixed on support plate 8 by fixing bolt 11
On.There are support slot A15, elongated slot 16 in the rectangular surfaces of fixed clamp body 10；Elongated slot 16 is at support slot A15.Movable cramping body 10
Rectangular surfaces on have support slot B17；Support slot B17 and support slot A15 size position consistency.Fixed clamp body 9, movable cramping body
There is L-type slot 18 on 10 arcwall face.
Support ring includes support semi-ring A19, support semi-ring B20；Support semi-ring A19 is mounted in support slot A15；Support half
Ring B20 is mounted in support slot B17；Support ring and 12 end of magnesium alloy rod test specimen cooperate.Spring top flat 14 include spring 21,
Top flat 22；Top flat 22 is welded on 21 upper end of spring；Spring top flat 14 is mounted in elongated slot 16；Spring top flat 14 can be by magnesium alloy bar
12 end of material test specimen is pressed in support semi-ring A19.
Slide bar 23 is symmetrically distributed in snap ring 13；Slide bar 23 can slide in L-type slot 18；Snap ring 13 can be by fixed clamp body
9, the cylindrical body clamping that movable cramping body 10 is combined into.
Wherein, T-type sprue is made of rubber.
When the utility model is used, first by the support semi-ring of 12 lower end of magnesium alloy rod test specimen merging fixed clamp body 9
In A19, wherein the lower end of magnesium alloy rod test specimen 24 is pressed in support semi-ring A19 by spring top flat 14；Then activity is pressed from both sides
It holds the alignment of body 10 to close, movable cramping body 10 is fixed in support plate 8 using fixing bolt 11；Then snap ring 13 is inserted in,
So that the slide bar 23 of snap ring 13 is directed at L-type slot 18, rotates clamping.Stretching-machine is adjusted, upper fixture 1 is made to be slowly declined to proper height
When, the upper end of magnesium alloy rod test specimen 24 is caught in lower hanging body 4, T-type sprue 5 is then filled in.So far can then start to stretch examination
It tests.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (3)
1. a kind of magnesium alloy rod stretching clamp, including upper fixture, lower fixture；The upper fixture, lower fixture are both connected to drawing
It stretches on test machine；The upper fixture, lower fixture are used to be clamped with the magnesium alloy rod test specimen of step；It is characterized by:
The upper fixture includes upper connector, lower hanging body, T-type sprue；The upper connector is threadedly coupled with lower hanging body；Under described
T-slot is arranged at hanging body bottom；The T-slot shape and magnesium alloy rod test piece end cooperate；
The lower fixture includes lower connector, support plate, fixed clamp body, movable cramping body, fixing bolt, support ring, snap ring；
The support plate bottom thread connects lower connector；The fixed clamp body, movable cramping body can be combined into complete cylindrical body；It is described
Fixed clamp body is fixedly mounted in support plate；The activity cramping body bottom is fixed in support plate by fixing bolt；Institute
Stating has support slot A, elongated slot in the rectangular surfaces of fixed clamp body；The elongated slot is at support slot A；The rectangle of the activity cramping body
There is support slot B on face；The support slot B and support slot A size position consistency；The support ring includes support semi-ring A, support half
Ring B；The support semi-ring A is mounted in support slot A；The support semi-ring B is mounted in support slot B；The support ring and magnesium
The cooperation of alloy bar material test piece end；The fixed clamp body, movable cramping body arcwall face on have L-type slot；
Slide bar is symmetrically distributed in the snap ring；The slide bar can slide in L-type slot；The snap ring can by fixed clamp body,
The cylindrical body clamping that movable cramping body is combined into.
2. a kind of magnesium alloy rod stretching clamp according to claim 1, it is characterised in that: the lower fixture further includes
Spring top flat；Spring top flat includes spring, top flat；The top flat is welded on spring upper end；The spring top flat is mounted on elongated slot
It is interior；Magnesium alloy rod test piece end can be pressed in support semi-ring A by the spring top flat.
3. a kind of magnesium alloy rod stretching clamp according to claim 1, it is characterised in that: the T-type sprue is bullet
Property material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941862.8U CN208476664U (en) | 2018-06-19 | 2018-06-19 | A kind of magnesium alloy rod stretching clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941862.8U CN208476664U (en) | 2018-06-19 | 2018-06-19 | A kind of magnesium alloy rod stretching clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476664U true CN208476664U (en) | 2019-02-05 |
Family
ID=65214023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941862.8U Active CN208476664U (en) | 2018-06-19 | 2018-06-19 | A kind of magnesium alloy rod stretching clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476664U (en) |
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2018
- 2018-06-19 CN CN201820941862.8U patent/CN208476664U/en active Active
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