CN110142849A - A kind of multiple dimensioned lining model axle center accurate positioning device and its operating method - Google Patents
A kind of multiple dimensioned lining model axle center accurate positioning device and its operating method Download PDFInfo
- Publication number
- CN110142849A CN110142849A CN201910418168.7A CN201910418168A CN110142849A CN 110142849 A CN110142849 A CN 110142849A CN 201910418168 A CN201910418168 A CN 201910418168A CN 110142849 A CN110142849 A CN 110142849A
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- China
- Prior art keywords
- mold
- axle center
- positioning device
- multiple dimensioned
- accurate positioning
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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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0008—Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0032—Moulding tables or similar mainly horizontal moulding surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of multiple dimensioned lining model axle center accurate positioning device and its operating methods, including mold a, mold b and scale chassis, the mold b is set in outside mold a, mold a and mold b is arranged at scale chassis upper surface, the mold a is made of and is arranged in transparent mould the axle center positioning system in transparent mould and constitutes, the axle center positioning system is by knob structure, ventilation device, link mechanism and compaction cavum are constituted, link mechanism is provided in the compaction cavum, the link mechanism passes through compaction cavum and connect with compaction cavum bottom, the knob structure is connect by knob screw with link mechanism, the link mechanism is internally provided with ventilation device；The mold b is made of the identical mold b main structure connection of two structures.The present invention has stronger operability and feasibility, can satisfy technical conditions as defined in existing physical layer during similar model test regulation, remarkable in economical benefits.
Description
Technical field
The invention belongs to physically scaled models to test field, in particular to a kind of multiple dimensioned lining model axle center is accurately positioned
Device and its operating method.
Background technique
In recent ten years, how mountain tunnel and underground structure are studied tunnel and are made in macroseism frequently by the destruction of earthquake
Dynamic response and failure mechanism under take effective and reasonable earthquake resistant construction at important in current tunnel earthquake research
One of project.Since earthquake has stronger randomness, existing sunykatuib analysis and theoretical calculation cannot reflect earthquake completely
Complexity, and shaketalle test is to study tunnel structure Dynamic response to earthquake and failure law method the most direct, it can not only
The destructive process of tunnel structure under enough true reduction geological processes, and be the basis of numerical analysis and theoretical calculation.
In current shaketalle test, the analog material multiselect gypsum material of liner structure.By determining model phase
Like than completing the indoor preparation to tunnel structure.But, it is desirable to the preparation of liner structure in laboratory test is completed, unavoidably
The mold and technical method for needing to prepare tunnel lining structure.The invention patent is mainly for round tunnel relatively conventional at present
Road section is designed.In current research, some passes through the wood mold coupled completion liner structure model test piece of quick Fabrication
Preparation, method is simple, low in cost, but wood mold coupled chance water is easily-deformable, directly results in liner structure moulded dimension error, produces
Raw apparent dimensional effect；Some is by clad steel rounding ring set barrel structure, though solve wood mold coupled chance to a certain extent
The easily-deformable problem of water, but Mold Making is at high cost, it is complicated for operation；Use steel structure and transparent glass sleeve group also
Structure, the light easy mold release of sleeve are closed, but can not fundamentally solve axle center accurate positioning, causes liner structure thickness not first-class
Problem, this directly results in physically scaled model test tunnels mimic process and biggish error occurs, model test applied and
Operability is poor.
Therefore, in shaking table model, there are still more problems for the preparation of tunnel lining structure model, at present not yet
It was found that it is a kind of easy to operate, economical convenient, it was not only able to satisfy multiple dimensioned liner structure model preparation, but also can accurately realize that axle center is fixed
Position, overcomes the problems, such as the experimental provision and technical method of liner structure dimensional effect.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of multiple dimensioned lining model axis
Heart accurate positioning device and its operating method have the characteristics that assembling is simple, mold is recycled, economical and efficient, implementation model
The quick axle center positioning of liner structure model is tested, avoids the bias occurred in liner structure preparation process and thickness different, solves
The problems such as multiple dimensioned preparation of liner structure is difficult, time-consuming and laborious, has stronger operability and feasibility, can satisfy existing object
Manage technical conditions as defined in layer during similar model test regulation, remarkable in economical benefits.
Technical solution: to achieve the above object, the present invention provides a kind of multiple dimensioned lining model axle center accurate positioning device,
Including mold a, mold b and scale chassis, the mold b is set in outside mold a, and mold a and mold b are arranged at scale bottom
Disk upper surface, the mold a are made of and are arranged in transparent mould the axle center positioning system in transparent mould and constitute, the axle center
Positioning system is made of knob structure, ventilation device, link mechanism and compaction cavum, and connecting rod knot is provided in the compaction cavum
Structure, the link mechanism pass through compaction cavum and connect with compaction cavum bottom, and the knob structure passes through knob screw and connecting rod
Structure connection, the link mechanism are internally provided with ventilation device；The mold b is by the identical mold b main structure of two structures
Connection composition, the mold b main structure middle part are provided with abutment joint, and described mold b main structure one end is provided with means for mounting coupling parts body
The other end is provided with build-in groove.
Further, the link mechanism includes connecting rod base and rod spring, and the connecting rod base passes through rod spring
It is connect with compaction cavum bottom.
Further, the ventilation device includes venthole, vent cap and abat-vent, and vent cap runs through connecting rod bottom
Seat, is connected to compaction cavum and external pressure, the vent cap both ends are provided with venthole, logical at the top of the vent cap
Abat-vent is provided on stomata.
Further, the transparent mould is the closely knit cylindrical body hatch frame in upper opening lower part, and opening shape is same
For cylindrical body, volume and size are identical as axle center positioning system.
Further, scale chassis upper surface is provided with scale marker.
Further, the knob screw diameter is 15mm.
Further, the vent cap is diameter 3mm.
Further, the scale chassis is diameter 200mm, and the cylindrical structure of high 10mm, the scale marker is
The equidistant limbus mark of 10mm.
Further, the mold b main structure outer diameter is 3-6mm bigger than mold b main structure internal diameter.
A kind of operating method of multiple dimensioned lining model axle center as described above accurate positioning device, includes the following steps:
(1) before pouring, mold b main structure inner wall is uniformly smeared into machine oil using hairbrush；
(2) size and thickness of the liner structure prepared needed for determining, select corresponding transparent mould, wherein mould
Tool b internal diameter subtracts the thickness that liner structure is prepared needed for transparent mould outer diameter is；
(3) then the axle centre positioning device combined is nested into transparent mould group to linkage by installation knob structure
At complete cylindrical structure, and it is placed on the accurate location of scale chassis；
(4) two main structure bodies of mold b are combined according to means for mounting coupling parts body and the one-to-one mode of build-in groove,
Ring set cylindrical structure periphery in step (3) is placed on accurate location according to limbus label on scale chassis；
(5) knob structure is pushed down on, axle center positioning is carried out, if knob structure is just tangent with mold b, axle center positioning
Accurately, it can carry out pouring work；If nontangential, return step (4) carries out position correction, until tangent；
(6) after the accurate positioning of axle center, configured analog material is poured, is then demoulded, be put into curing box standard
Maintenance；
(7) after demoulding, mold b main structure is cleared up, and repeats the above steps (1)-(6), carries out next group of lining cutting
The preparation of sample.
The utility model has the advantages that compared with the prior art, the present invention has the following advantages:
The present invention can satisfy liner structure model in physically scaled model test and quick and precisely position, quick prefabricated, fastly
Speed solves Issues On Multi-scales, and a series of transparent mould of various outer diameters can either save the time of processing punching block during test,
A large amount of test processing charges can be saved again, fundamentally solve the problems such as multiple dimensioned liner structure preparation is difficult.This test mould
It is rationally effective with method, it is simple and fast, it can satisfy technical requirements as defined in existing physical layer during similar model test regulation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of mold a in Fig. 1；
Fig. 3 is the structural schematic diagram on scale chassis in Fig. 1；
Fig. 4 is the structural schematic diagram of knob structure in Fig. 1；
Fig. 5 is the structural schematic diagram of mold b in Fig. 1；
Fig. 6 is the top view of mold b in Fig. 1.
1. knob structure；2. knob screw；3. abat-vent；4. venthole；5. vent cap；6. connecting rod base；7. connecting rod
Spring；8. compaction cavum；9. transparent mould；10. scale chassis；11. scale marker；12. abutment joint；13. mold b main structure；
14. means for mounting coupling parts body；15. build-in groove；16. mold b main structure outer diameter；16. mold b main structure internal diameter.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
Shown in Fig. 1 to Fig. 6, the present invention is multiple dimensioned lining model axle center accurate positioning device in a kind of layer during similar model test
And application method, mold (a), mold b main structure 13 and scale chassis 10, the mold (a) include axle center positioning system and thoroughly
Bright mold, the axle center positioning system are connect with connecting rod base 6 by knob screw 2 by knob structure 1, and screw diameter is
15mm.Knob structure 1 pushes down on connecting rod base 6 and does work to compaction cavum 8, and potential energy is changed into the elasticity of the storage of rod spring 7
Potential energy is lossless sliding between the positioning system of axle center.Air is discharged along vent cap 5 via venthole 4 in compaction cavum 8,
When falling on extreme lower position under knob structure 1, if the center of circle is overlapped with mold b main structure 13, (i.e. knob structure 1 is just embedded in mold b
It is tangent in main structure 13), preliminary axle center positioning is completed, mold b main structure 13 is located at shaft core position this moment, otherwise not so.
Release knob structure 1 can be restored under the effect of rod spring elastic potential energy to initial position.The ventilation device runs through connecting rod
Pedestal 6 is connected to compaction cavum 8 and external pressure, and vent cap is diameter 3mm, penetrates through in connecting rod base and compact structure
Hollow structure.
In the present invention, the mold b there are two completely just as mold b main structure 13 form, there is ruler in 12 position of abutment joint
Very little matched means for mounting coupling parts body 14 and build-in groove 15.The means for mounting coupling parts body 14 is respectively positioned on circle ring center position with build-in groove 15
It sets, length × width × height=220mm × 2mm × 3mm cuboid structure.
In the present invention, the scale chassis 10 is diameter 200mm, the cylindrical structure of high 10mm, in 10 table of scale chassis
EDS maps have within the scope of diameter 90-200mm, and a series of limbus mark 11 that equal difference is 10mm completes the accurate axis of mold b
Heart positioning.
A series of cylindrical body that wherein transparent mould 9 has outer diameters different is constituted, and passes through the cylindrical body and mold b of different-diameter
Combination, can pour the lining model structure of different-thickness.Cylindrical body opening diameter, volume are identical as axle center positioning system.
The operating method of multiple dimensioned lining model axle center accurate positioning device in a kind of layer during similar model test, including it is following several
A step:
A. before pouring, 13 inner wall of mold b main structure is uniformly smeared into machine oil using hairbrush；
B. the size and thickness of the liner structure prepared needed for determining, select corresponding 9 (mold b of transparent mould
13 internal diameters of main structure-transparent mould, 9 outer diameter prepares the thickness of liner structure needed for being)
C. then the axle centre positioning device combined is nested into 9 groups of transparent mould to linkage by installation knob structure 1
At complete cylindrical structure, and it is placed on 10 accurate location of scale chassis.
D. two main structure bodies 13 of mold b are carried out according to means for mounting coupling parts body 14 and the one-to-one mode of build-in groove 15
Combination, ring set cylindrical structure periphery in step c are placed on accurate location according to limbus label on scale chassis 10；
E. knob structure 1 is pushed down on, axle center positioning is carried out.If knob structure 1 is just tangent with mold b main structure 13,
Then axle center accurate positioning can carry out pouring work；If nontangential, still need to continue to adjust 13 position of mold b main structure, until
It is tangent.
F. after the accurate positioning of axle center, configured analog material is poured, is then demoulded, be put into curing box standard and support
Shield.
G. after demoulding, mold b main structure 13 is cleared up, and repeats above step, carries out next group of lining cutting sample
Preparation.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of multiple dimensioned lining model axle center accurate positioning device, it is characterised in that: including mold a, mold b and scale bottom
Disk, the mold b are set in outside mold a, and mold a and mold b are arranged at scale chassis upper surface, and the mold a is by saturating
The axle center positioning system that bright mold constitutes and is arranged in transparent mould is constituted, and the axle center positioning system is by knob structure, logical
Depressed structure, link mechanism and compaction cavum are constituted, and link mechanism is provided in the compaction cavum, and the link mechanism passes through pressure
Contracting cavity is connect with compaction cavum bottom, and the knob structure is connect by knob screw with link mechanism, the link mechanism
It is internally provided with ventilation device；The mold b is made of the identical mold b main structure connection of two structures, the main knot of mold b
It is provided with abutment joint in the middle part of structure, described mold b main structure one end is provided with the means for mounting coupling parts body other end and is provided with build-in groove.
2. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: the company
Rod structure includes connecting rod base and rod spring, and the connecting rod base is connect by rod spring with compaction cavum bottom.
3. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: described logical
Depressed structure includes venthole, vent cap and abat-vent, and vent cap runs through connecting rod base, is connected to compaction cavum and outside atmosphere
Pressure, the vent cap both ends are provided with venthole, are provided with abat-vent on the venthole at the top of the vent cap.
4. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: described
Bright mold is the closely knit cylindrical body hatch frame in upper opening lower part, and opening shape is similarly cylindrical body, volume and size and axis
Heart positioning system is identical.
5. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: the quarter
Degree chassis upper surface is provided with scale marker.
6. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: the rotation
Button screw diameter is 15mm.
7. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 3, it is characterised in that: described logical
Stomata road is diameter 3mm.
8. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 5, it is characterised in that: the quarter
Degree chassis is diameter 200mm, and the cylindrical structure of high 10mm, the scale marker is the equidistant limbus mark of 10mm.
9. a kind of multiple dimensioned lining model axle center accurate positioning device according to claim 1, it is characterised in that: the mould
It is 3-6mm bigger than mold b main structure internal diameter to have b main structure outer diameter.
10. a kind of operating method of the multiple dimensioned lining model axle center accurate positioning device as described in one of claim 1 to 9,
It is characterized by comprising the following steps:
(1) before pouring, mold b main structure inner wall is uniformly smeared into machine oil using hairbrush；
(2) size and thickness of the liner structure prepared needed for determining, select corresponding transparent mould, wherein mold b
Internal diameter subtracts the thickness that liner structure is prepared needed for transparent mould outer diameter is；
(3) then the axle centre positioning device combined is nested into transparent mould and formed by installation knob structure to linkage
Whole cylindrical structure, and be placed on the accurate location of scale chassis；
(4) two main structure bodies of mold b are combined according to means for mounting coupling parts body and the one-to-one mode of build-in groove, ring set
The cylindrical structure periphery in step (3) is placed on accurate location according to limbus label on scale chassis；
(5) knob structure is pushed down on, axle center positioning is carried out, if knob structure is just tangent with mold b, axle center positioning is quasi-
Really, it can carry out pouring work；If nontangential, return step (4) carries out position correction, until tangent；
(6) after the accurate positioning of axle center, configured analog material is poured, is then demoulded, be put into curing box standard curing；
(7) after demoulding, mold b main structure is cleared up, and repeats the above steps (1)-(6), carries out next group of lining cutting sample
Preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418168.7A CN110142849B (en) | 2019-05-20 | 2019-05-20 | Multi-scale lining model axis accurate positioning device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418168.7A CN110142849B (en) | 2019-05-20 | 2019-05-20 | Multi-scale lining model axis accurate positioning device and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110142849A true CN110142849A (en) | 2019-08-20 |
| CN110142849B CN110142849B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910418168.7A Active CN110142849B (en) | 2019-05-20 | 2019-05-20 | Multi-scale lining model axis accurate positioning device and operation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104060A (en) * | 1986-06-03 | 1987-12-16 | 帝国化学工业公司 | Extrusion die |
| JPH07276344A (en) * | 1994-04-07 | 1995-10-24 | Hokukon:Kk | Form for manufacturing corner block for side ditch |
| CN201592479U (en) * | 2009-11-11 | 2010-09-29 | 宁波科星材料科技有限公司 | Radially oriented ring die |
| CN208438538U (en) * | 2018-05-23 | 2019-01-29 | 中国石油大学(北京) | A kind of experiment casing-cement sheath assembly producing device |
| CN208834628U (en) * | 2017-12-31 | 2019-05-07 | 浙江大学 | A kind of Die tester pouring cylindrical tunnel-liner |
-
2019
- 2019-05-20 CN CN201910418168.7A patent/CN110142849B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104060A (en) * | 1986-06-03 | 1987-12-16 | 帝国化学工业公司 | Extrusion die |
| JPH07276344A (en) * | 1994-04-07 | 1995-10-24 | Hokukon:Kk | Form for manufacturing corner block for side ditch |
| CN201592479U (en) * | 2009-11-11 | 2010-09-29 | 宁波科星材料科技有限公司 | Radially oriented ring die |
| CN208834628U (en) * | 2017-12-31 | 2019-05-07 | 浙江大学 | A kind of Die tester pouring cylindrical tunnel-liner |
| CN208438538U (en) * | 2018-05-23 | 2019-01-29 | 中国石油大学(北京) | A kind of experiment casing-cement sheath assembly producing device |
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| Publication number | Publication date |
|---|---|
| CN110142849B (en) | 2020-10-02 |
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