CN206420796U - A kind of PUMA test moulds available for CT scan - Google Patents
A kind of PUMA test moulds available for CT scan Download PDFInfo
- Publication number
- CN206420796U CN206420796U CN201720082753.0U CN201720082753U CN206420796U CN 206420796 U CN206420796 U CN 206420796U CN 201720082753 U CN201720082753 U CN 201720082753U CN 206420796 U CN206420796 U CN 206420796U
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- China
- Prior art keywords
- side wall
- puma
- mould side
- test
- scan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of PUMA test moulds available for CT scan, including mold base, the mould side wall on mold base, and the top plate being arranged in mould side wall are arranged on, the top plate can be moved up and down along mould side wall；Wherein, mold base, mould side wall and top plate are made of lucite；Mould side wall forms the cylinder with expanding ability by the multiple arc-shaped poly (methyl methacrylate) plates and the movable connection strap that is arranged between two neighboring arc-shaped poly (methyl methacrylate) plate of circumference；During trystate, test specimen is filled with mould side wall, outside is provided with rubber ring restraint strap, the deformation condition for monitoring test specimen in real time, and vertical load is applied to test specimen by top plate.The PUMA test moulds available for CT scan that the utility model is provided, and simple in construction, low manufacture cost, are tested for PUMA and the binding of industry CT provides possibility, and practical value is higher.
Description
Technical field：
The utility model is related to a kind of mould, and in particular to a kind of PUMA test moulds available for CT scan.
Background technology：
Accurate non-adherent material testing machine (PUMA) is one kind of the common development ＆ production of University of Nottingham and COOPER companies
New laboratory instrumentation, can be classified to material, be segmented plus unloading, obtain loading procedure vertical and radial direction answer
The data such as power, strain, modulus.The equipment is not only suitable for non-adherent material, is applied to slight binding material again, can be used as traditional road
Triaxial test and the supplement of California bearing ratio CBR experiments in the engineering of face.At present, it is more next because PUMA equipment has many advantages, such as
More researchers start to carry out a series of experiments using the equipment.In research process, in order to be tried before and after contrast test in mould
The change of part, is scanned using industry CT to test specimen, but because the mold material of PUMA equipment is cast iron, and thickness is larger,
Carrying out ray during CT scan, to penetrate effect poor, it is difficult to acquisition more clearly image.
Utility model content：
In consideration of it, the utility model provide a kind of PUMA test moulds available for CT scan, with reach industry CT with
The purpose of PUMA equipment bindings.
To reach above-mentioned purpose, the utility model adopts the following technical scheme that to realize：
A kind of PUMA test moulds available for CT scan, including mold base, are arranged on the die side on mold base
Wall, and the top plate being arranged in mould side wall, the top plate can be moved up and down along mould side wall；Wherein,
Mold base, mould side wall and top plate are made of lucite；
Mould side wall by circumference multiple arc-shaped poly (methyl methacrylate) plates and be arranged on the organic glass of two neighboring arc-shaped
Cylinder of the movable connection strap formation with expanding ability between glass plate；
During trystate, test specimen is filled with mould side wall, outside is provided with rubber ring restraint strap, for monitoring in real time
The deformation condition of test specimen, and vertical load is applied to test specimen by top plate.
The utility model, which is further improved, to be, the both sides of each arc-shaped poly (methyl methacrylate) plate offer rectangle and cut
Mouthful, for splicing with movable connection strap.
The utility model, which is further improved, to be, movable connection strap is made of lucite.
The utility model, which is further improved, to be, the quantity of arc-shaped poly (methyl methacrylate) plate is six.
The utility model, which is further improved, to be, mold base includes base lower platform and the setting of integrated molding
Base upper mounting plate on base lower platform, and diameter of the diameter less than base lower platform of base upper mounting plate, base upper mounting plate
Diameter be equal to mould side wall internal diameter.
The utility model, which is further improved, to be, mold base also includes integrated molding and is arranged on base lower platform
Handle in circumference.
The utility model, which is further improved, to be, a height of 150mm of mould side wall, and internal diameter is 150mm, and external diameter is
160mm, the size of movable connection strap is 8 × 3 × 150mm.
The utility model, which is further improved, to be, displacement transducer is also equipped with top plate.
The utility model, which is further improved, to be, in addition to rigid ring restraint strap, during for CT scan, aids in anchor ear
On the outside of mould side wall.
The utility model, which is further improved, to be, rigid ring restraint strap includes two semicircular lucite rings
Hoop, and be detachably connected by bolt and bolt hole.
Compared with prior art, the utility model has following beneficial effect：
The utility model makes PUMA test moulds by using pmma material, and manufacture craft is simple, cost is relatively low,
Realize PUMA experiments and the purpose of industry CT binding.The all parts of the test mould are main by lucite system
Into, it is ensured that ray penetrates effect in CT scan, can obtain the more clearly scan image of inner test piece.Meanwhile, mould
Pmma material used has certain strength and stiffness, it is ensured that in PUMA processs of the test, under larger vertical uniform load q,
Mould side wall and base such as are not susceptible to bend, extruded at the deformation, therefore can meet PUMA experiment demands.
Further, mould side wall described in the utility model by movable connection strap and arc-shaped poly (methyl methacrylate) plate splicing and
Into with certain lateral magnification ability, meeting PUMA test principles.
Further, mold base is made up of upper mounting plate, lower platform and base handle, can quickly and easily move whole
Mould and internal test specimen.
Brief description of the drawings：
The overall top view of Fig. 1 PUMA test moulds of the present utility model.
The overall front view of Fig. 2 PUMA test moulds of the present utility model.
The top view of Fig. 3 rigid ring restraint straps of the present utility model.
The front view of Fig. 4 rigid ring restraint straps of the present utility model.
In figure：1. mould side wall；2. rubber ring restraint strap；3. movable connection strap；4. base upper mounting plate；5. put down under base
Platform；6. handle；7. top plate；8. rigid ring restraint strap.
Embodiment：
The utility model is made further instructions below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, the PUMA test moulds available for CT scan that the utility model is provided, including die side
Wall 1, rubber ring restraint strap 2, movable connection strap 3, rigid ring restraint strap 8, the structure of mold base and part PUMA equipment
Part.
To ensure that ray penetrates effect during CT scan, mould side wall 1, movable connection strap 3 and mold base are by different thickness
The lucite of degree is made.
The operation principle of PUMA equipment is that top ram provides vertical pressure, and load is applied on the top plate 7 of mould, tried
Radial deformation occurs in the presence of vertical load for part.On the displacement transducer (LVDT) and side wall installed in top mold plate 7
Elastic restraint band can monitor the deformation condition of test specimen in real time.Therefore, in PUMA experiments, the side wall of mould must allow occur lateral position
Move.
In the utility model, mould side wall 1 is spliced by six pieces of arc-shaped poly (methyl methacrylate) plates and movable connection strap 3, such as
Shown in Fig. 1.Rectangular slits are left in every piece of arc-shaped poly (methyl methacrylate) plate both sides, for splicing with the movable connection strap 3, are formed
Cylinder with certain expanding ability.Match for the sample dimensions that are molded in being tested with PUMA, mould side wall 1 it is a height of
150mm, barrel bore is 150mm.In PUMA experiments, it is desirable to which mould side wall 1 can provide larger confined pressure and not deform, therefore
The thickness of mould side wall must reach use requirement.Mould side wall is made using thickness 5mm poly (methyl methacrylate) plate in the utility model
1, therefore outside diameter of cylinder reaches 160mm.
Described movable connection strap 3 be thickness 3mm strip lucite, as described in Figure 1, specific size be 8 × 3 ×
150mm.Six movable connection straps are configured in the utility model, cylinder is spliced into mould side wall 1.
Described rigid ring restraint strap 8 is made up of two semicircular lucite hoops, and both sides set bolt and spiral shell
Keyhole, as shown in Figure 3.The thickness of rigid ring restraint strap 8 is 5mm, is highly 50mm., can installed in the middle part of mould side wall 1
Its internal diameter is finely tuned by tightening and loosening the bolt of hoop both sides, is mainly used in after PUMA off-tests, rubber ring is substituted
Restraint strap 2, plays a part of fixing mould side wall 1 and inner test piece.
Described mold base is made up of three parts, as depicted in figs. 1 and 2, is specifically included under base upper mounting plate 4, base
Platform 5 and left and right sides handle 6.Wherein base upper mounting plate 4 is located at the inside of mould side wall 1, a diameter of 150mm, high (thickness)
5mm, for jig side wall；Lower platform is used to support total, a diameter of 200mm, height (thickness) 10mm；Two side grips
6 are mainly used in moving moulds and internal test specimen.
In addition, the test mould available for CT scan in the utility model also includes the part structure of part original PUMA equipment
Part, specifically includes rubber ring restraint strap 2 and top plate 7.Wherein, the side of rubber ring restraint strap 2 is provided with data-interface, is used for
The lateral deformation of monitoring test specimen in real time in PUMA processs of the test；The vertical load for acting as being uniformly distributed top application of top plate 7.
In order to understand the utility model is further, now to the application method of the PUMA test moulds available for CT scan
It is described as follows：
1) installed on PUMA test mould bases, splice mould side wall 1 and movable connection strap 3, mould side wall 1 is installed just
Property hoop constraint band 8.
2) pour into bulk material by several times in the cylinder of the mould spliced, complete the processes such as compacting.
3) CT scan before being tested.
4) rubber ring restraint strap 2 and top plate 7 are installed, the rigid ring restraint strap 8 of mould side wall 1 is removed, PUMA is carried out
Experiment.
5) after off-test, rigid ring restraint strap 8 is installed, the rubber ring restraint strap 2 and top plate of mould side wall 1 is removed
7。
6) CT scan after being tested.
Claims (10)
1. a kind of PUMA test moulds available for CT scan, it is characterised in that including mold base, be arranged on mold base
Mould side wall (1), and the top plate (7) being arranged in mould side wall (1), the top plate (7) can be along above and below mould side wall (1)
It is mobile；Wherein,
Mold base, mould side wall (1) and top plate (7) are made of lucite；
Mould side wall (1) by circumference multiple arc-shaped poly (methyl methacrylate) plates and be arranged on two neighboring arc-shaped lucite
Cylinder of movable connection strap (3) formation with expanding ability between plate；
During trystate, test specimen is filled with mould side wall (1), outside is provided with rubber ring restraint strap (2), for supervising in real time
The deformation condition of test block, and vertical load is applied to test specimen by top plate (7).
2. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that each arc-shaped
The both sides of poly (methyl methacrylate) plate offer rectangular slits, for splicing with movable connection strap (3).
3. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that movable connection strap
(3) it is made of lucite.
4. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that arc-shaped is organic
The quantity of glass plate is six.
5. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that mold base bag
The base upper mounting plate (4) for including the base lower platform (5) of integrated molding and being arranged on base lower platform (5), and on base
The diameter of platform (4) is less than the diameter of base lower platform (5), and the diameter of base upper mounting plate (4) is equal to the interior of mould side wall (1)
Footpath.
6. a kind of PUMA test moulds available for CT scan according to claim 5, it is characterised in that mold base is also
Including integrated molding and the handle (6) that is arranged in base lower platform (5) circumference.
7. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that mould side wall
(1) a height of 150mm, internal diameter is 150mm, and external diameter is 160mm, and the size of movable connection strap (3) is 8 × 3 × 150mm.
8. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that on top plate (7)
It is also equipped with displacement transducer.
9. a kind of PUMA test moulds available for CT scan according to claim 1, it is characterised in that also including rigidity
Hoop constraint band (8), during for CT scan, auxiliary anchor ear is on the outside of mould side wall (1).
10. a kind of PUMA test moulds available for CT scan according to claim 9, it is characterised in that rigid ring
Restraint strap (8) includes two semicircular lucite hoops, and is detachably connected by bolt and bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082753.0U CN206420796U (en) | 2017-01-22 | 2017-01-22 | A kind of PUMA test moulds available for CT scan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082753.0U CN206420796U (en) | 2017-01-22 | 2017-01-22 | A kind of PUMA test moulds available for CT scan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420796U true CN206420796U (en) | 2017-08-18 |
Family
ID=59569472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720082753.0U Expired - Fee Related CN206420796U (en) | 2017-01-22 | 2017-01-22 | A kind of PUMA test moulds available for CT scan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206420796U (en) |
-
2017
- 2017-01-22 CN CN201720082753.0U patent/CN206420796U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20180122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |