CN209851259U - Shield tunnel lining ring model manufacturing device and lining ring model - Google Patents
Shield tunnel lining ring model manufacturing device and lining ring model Download PDFInfo
- Publication number
- CN209851259U CN209851259U CN201821596896.4U CN201821596896U CN209851259U CN 209851259 U CN209851259 U CN 209851259U CN 201821596896 U CN201821596896 U CN 201821596896U CN 209851259 U CN209851259 U CN 209851259U
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- lining ring
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- shield tunnel
- bottom plate
- ring model
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
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- 238000005192 partition Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 5
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
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- 239000011121 hardwood Substances 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a shield constructs tunnel lining ring model making devices and lining ring model, making devices includes bottom plate (14), outer module and interior mould concentric nested set up in on bottom plate (14), be equipped with the clearance between outer module and the interior mould, this clearance forms the open ring region of top surface that is used for making lining ring model, is provided with spacer (12) and becket (11) in this ring region, becket (11) pass spacer (12) setting; the inner die piece comprises a plurality of arc-shaped inner die plates (3), the inner die plates (3) are connected through first connecting pieces, and the inner die plates (3) are matched with the pipe pieces of the lining ring model. Compared with the prior art, adopt the utility model discloses the shield tunnel lining ring model of preparation has the hoop that is the same with prototype tunnel and connects the structure, and the preparation low cost of device itself can repeat dismouting and use, can realize the batch production of lining ring model.
Description
Technical Field
The utility model belongs to the civil engineering field especially relates to a can simulate shield tunnel lining cutting ring model making devices and lining cutting ring model that shield tunnel hoop connects.
Background
The shield tunnel is one of the most widely applied structural forms in underground space development, and a large number of highway tunnels and rail transit tunnels at home and abroad are constructed by adopting a shield method. Due to the complexity and particularity of the shield tunnel, a tunnel structure with a certain length is usually required to be considered when relevant subjects are researched, such as study on uneven settlement of the tunnel, ground collapse caused by tunnel construction, study on anti-seismic performance of the tunnel and the like. The shield tunnel model can be mainly divided into two types, one is a ductile model made of high polymer materials, such as polyethylene, nylon, resin and the like, and the other is a brittle model made of concrete-like materials, such as fine concrete, gypsum and the like. The ductility model has the advantages that the polymer material has extremely strong plasticity, the processing performance is good, the process is mature, the high-precision simulation of the structural characteristics of the prototype tunnel can be realized, but the polymer material and the tunnel concrete material have great difference, the ductility model can generally only carry out rigidity simulation on the prototype tunnel in a narrow elastic deformation range, and the plastic deformation, the failure mode and the like of the tunnel cannot be simulated through the ductility model. The brittle model has the advantages that the material performance is similar to that of a prototype tunnel, the rigidity and strength simulation can be carried out simultaneously, the damage condition of the model can be observed in a test, the disadvantage is that the material plasticity and the processability are poor, and the detailed structural characteristics of the tunnel prototype are difficult to simulate, such as segment blocking, joint bolts and the like.
Therefore, a brand new shield tunnel lining ring model manufacturing device needs to be developed, a concrete-like material is used as a basis, so that a lining ring model has the same joint structural characteristics as a prototype tunnel, the manufacturing cost is low, the manufacturing is simple and convenient, the model can be repeatedly disassembled and assembled for use, and the large-batch requirements of model tests are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shield tunnel lining ring model making device and lining ring model that can simulate shield tunnel hoop and connect in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
a shield tunnel lining ring model manufacturing device comprises a bottom plate, an outer module and an inner module, wherein the outer module and the inner module are concentrically nested on the bottom plate, a gap is formed between the outer module and the inner module, the gap forms a circular ring area with an open top surface for manufacturing a lining ring model, a partition plate and a metal ring are arranged in the circular ring area, and the metal ring penetrates through the partition plate;
the inner mould comprises a plurality of arc-shaped inner formworks, the inner formworks are connected through a first connecting piece, and each inner formwork is matched with a segment of the lining ring model.
Furthermore, the first connecting piece comprises a connecting steel plate and screws, screw holes for the screws to penetrate through are formed in the end portions of the inner formworks, the adjacent inner formworks are fixed and positioned through the connecting steel plate and the screws, and the formed outer arc surface provides a formwork for the inner side of the lining ring model.
Further, the screw hole is provided in plurality.
Furthermore, the inner template is provided with inner template bolt holes, the corresponding position of the bottom plate is provided with bottom plate bolt holes, and the inner template and the bottom plate are mutually fixed and positioned through bolts.
Further, a handle is arranged on the inner template.
Further, the outer mould part comprises at least two outer formworks, the outer formworks are mutually fixed and positioned through second connecting pieces, and an inner arc surface formed by the outer formworks provides a formwork for the outer side of the lining ring model.
Further, the second connector comprises a screw and a wood bar.
Further, the separation sheet is clamped between the adjacent inner formworks.
Furthermore, the outer template is provided with an outer template screw hole, the corresponding position of the bottom plate is provided with a bottom plate screw hole, and the outer template and the bottom plate are mutually fixed and positioned through screws.
The utility model also provides an utilize the lining cutting ring model of making devices preparation.
Compared with the prior art, the utility model discloses have with following beneficial effect:
(1) the lining ring model obtained by the device of the utility model has the same annular joint structure as the original tunnel;
(2) the utility model adopts a plurality of ways to fix and position different parts of the device, the whole stability and reliability of the device are high, and the obtained lining ring model is highly standardized;
(3) the device of the utility model is convenient to disassemble and assemble and can be repeatedly used, thereby meeting the requirements of a large number of repeatability tests;
(4) the utility model discloses can regard as the model main material with meticulous concrete, have similar material property with the prototype tunnel.
Drawings
FIG. 1 is a front view of a lining ring model according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of the exemplary design shown in FIG. 1;
FIG. 3 is a bottom plate design drawing of an embodiment of the present invention;
FIG. 4 is a design drawing of an outer form according to an embodiment of the present invention;
fig. 5 is a design drawing of an inner form (not shown with a handle, a bolt hole, and a connecting steel plate) according to an embodiment of the present invention;
FIG. 6 is a schematic view of an inner form and a connecting steel plate according to an embodiment of the present invention (not shown with a handle and a bolt hole);
FIG. 7 is a schematic view of the inner mold plate and bottom plate latch connection of an embodiment of the present invention (handle not shown);
fig. 8 is a schematic view of an inner form side handle according to an embodiment of the present invention (pin holes not shown);
FIG. 9 is a plan view of a separator according to an embodiment of the present invention;
FIG. 10 is a schematic view of an inner form clamping spacer and passing through a metal ring according to an embodiment of the present invention;
FIG. 11 is a diagram showing the effect of the manufacturing apparatus of the present invention after installation;
reference numbers in the figures: 1. longitudinal joint 2, pre-buried metal ring 3, inner template 4, connecting steel plate 5, screw 6, bolt 7, inner template bolt hole 8, bottom plate bolt hole 9, handle 10, clamping area 11, metal ring 12 and spacer;
the units marked in the figure are all mm.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 2-11, the utility model provides a shield tunnel lining ring model making device, including bottom plate 14, outer module and interior module are nested concentrically and are set up on bottom plate 14, are equipped with the clearance between outer module and the interior module, and this clearance forms the open-top-surface circular ring region that is used for making the lining ring model, is provided with spacer 12 and becket 11 in this circular ring region, and becket 11 passes spacer 12 and sets up; the inner module comprises a plurality of arc-shaped inner templates 3, the inner templates 3 are connected through first connecting pieces, each inner template 3 is matched with a segment of the lining ring model, a central angle corresponding to each partition of the inner template is the same as a central angle corresponding to a corresponding lining ring pipe piece, namely, the partition mode of each inner template 3 in the inner module is the same as the partition mode of the segment of the lining ring model.
In some embodiments, the first connecting member comprises a connecting steel plate 4 and screws 5, the end of each inner formwork 3 is provided with a screw hole for passing through the screw 5, the adjacent inner formworks 3 are fixed and positioned by the connecting steel plate 4 and the screws 5, and the formed complete and stable outer arc surface provides a formwork for the inner side of the lining ring model. The screw hole can set up a plurality ofly, conveniently carries out the stable fixed and position adjustment of interior template.
The inner template 3 is provided with an inner template bolt hole 7, a bottom plate bolt hole 8 is arranged at the corresponding position of the bottom plate 14, and the inner template 3 and the bottom plate 14 are mutually fixed and positioned through a bolt 6. The inner template 3 is provided with a handle 9, which is convenient for manual disassembly and assembly operation.
The outer formwork comprises at least two outer formworks 13, the outer formworks 13 are mutually fixed and positioned through second connecting pieces, and the formed complete and stable inner arc surface provides a formwork for the outer side of the lining ring model. In some embodiments, there are two outer formworks 13, each outer formwork 13 has a semicircular inner arc surface, and the formed outer formwork is entirely square. The second connecting piece comprises a screw and a wood strip. The corresponding positions of the outer template 13 and the bottom plate 14 are provided with screw holes, and the outer template 13 and the bottom plate 4 are mutually fixed and positioned through screws.
The spacers 12 are clamped between adjacent inner formworks 3, as shown in fig. 9, and the spacers 12 are connected to the inner formworks 3 through the clamping areas 10, so that the positions for clamping the spacers are the same as the positions of the longitudinal seams of the lining rings. The spacers 12 are perforated for passing through the metal rings and have a standing and positioning effect on the metal rings during the molding process.
The process for manufacturing the shield tunnel lining ring model by using the manufacturing device comprises the following steps:
1) splicing all parts of the manufacturing device completely as shown in FIG. 11;
2) and pouring fine concrete in the annular area with the open top surface to obtain a desired lining annular model, as shown in figure 1.
Examples
The target lining ring model of this embodiment external diameter 580mm, internal diameter 525mm, thickness 27.5mm, width 100mm adopts meticulous concrete preparation, and the lining cutting ring is by 1 capping section of jurisdiction, 2 adjacent segments, and 5 standard segments are constituteed, and the capping section of jurisdiction corresponds central angle 16, and remaining section of jurisdiction corresponds central angle and is 49, and the conformal 8 longitudinal joints that become of section of jurisdiction interconnect department, every longitudinal joint is by 3 ring to bolted connection.
The outer diameter of the lining ring model is 580mm, so that a hardwood plate with the square of 800mm and the thickness of 20mm is selected as a bottom plate, the upper surface of the bottom plate is polished, and a layer of waterproof film is adhered to the upper surface, wherein the surface is the operation surface of the whole device.
The periphery of the outer formwork is square at 800mm, and the circular range with the diameter of 580mm at the center is hollowed out, because the width of the lining ring model is 100mm, and the height of the outer formwork is also 100 mm. The outer template takes wood as a main body, the interior of the outer template is hollow, and the surface of the outer template is covered with a waterproof film. The outer template is divided into two symmetrical parts for processing, the contact of the butt joint surfaces of the two parts is ensured to be tight in the processing process, and the inner side of the outer template is a complete and standard circular arc surface after the outer template is assembled. The corresponding positions of the outer template and the bottom plate are provided with 8 screw holes, and the outer template and the bottom plate are fixed and positioned through the screw holes in the assembling process. After the outer form is fixed to the base plate, the two are fixed again to the upper surface of the outer form by two battens.
The whole external diameter 525mm of inner formword, internal diameter 505mm, height 10mm, stainless steel material, the preparation of piecemeal, the piecemeal mode is identical with lining ring canal piece, 1 piece 16 central angle, 7 pieces 49 central angles. By the connection steel sheet reciprocal anchorage between the inner formword, connection steel sheet is the rectangle steel plate, and the steel sheet is slightly crooked, and the camber is the same with the inner formword, respectively sets up a connection steel sheet in 8 total seams of inner formword, and the steel sheet passes through the screw and screws up each other with the inner formword, through the fixed and positioning action of connection steel sheet, the outside of inner formword forms the arc surface of a complete standard. The inner side surface of each inner template is provided with a bolt hole, the corresponding position of the bottom plate is also provided with a bolt hole, and the inner templates and the bottom plate are mutually fixed and positioned through 8 bolts. The inner side surface of each inner template is provided with a handle, so that the inner templates can be conveniently disassembled and assembled in the model manufacturing process.
8 seams are formed by 8 blocks of inner templates, 1 partition sheet is clamped in each seam, the partition sheets are made of aluminum sheets with the thickness of 0.5mm, the longitudinal section of the lining ring model is 100mm long and 27.5mm wide, the partition sheets need to completely break the lining ring model, enough area needs to be clamped in the seams of the inner templates, and therefore the partition sheets are designed to be 100mm long and 37.5mm wide. The lining ring circumferential joint is provided with 3 circumferential bolts, the model adopts 3 pre-buried metal rings to simulate the circumferential bolts, and the diameter of the cross section of each pre-buried metal ring is 1.5 mm. According to the position of the annular bolt of the longitudinal seam section of the lining ring, the punching position of the partition plate can be directly obtained according to the geometric similarity ratio of the model, 3 holes with the diameter of 1.5mm are punched on each partition plate, and each hole penetrates through one metal ring. In the process of manufacturing the model, the separating sheet has the functions of erecting and positioning the metal ring, and the separating sheet and the metal ring are both positioned in the annular area between the inner template and the outer template.
The whole process of making the lining ring model can be summarized as follows:
1. fixing the outer formworks on the bottom plate, and fixing the two outer formworks with battens;
2. the inner template is fixed on the outer template through the bolts;
3. 3 pre-buried metal rings penetrate through 8 aluminum separation sheets to form a closed circular ring;
4. clamping the separating sheet at the joint of the adjacent inner formworks;
5. fixedly connecting all the inner formworks with each other by using connecting steel plates;
6. pouring fine concrete in a circular space formed by enclosing the inner template and the outer template, and maintaining;
7. and (4) after the model reaches the form removal strength, removing the inner and outer templates to obtain the shield tunnel lining ring model with the annular joint.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A shield tunnel lining ring model manufacturing device is characterized by comprising a bottom plate (14), an outer mold and an inner mold, wherein the outer mold and the inner mold are concentrically nested on the bottom plate (14), a gap is formed between the outer mold and the inner mold, the gap forms a circular ring area with an open top surface for manufacturing a lining ring model, a partition plate (12) and a metal ring (11) are arranged in the circular ring area, and the metal ring (11) penetrates through the partition plate (12);
the inner die piece comprises a plurality of arc-shaped inner die plates (3), the inner die plates (3) are connected through first connecting pieces, and the inner die plates (3) are matched with the pipe pieces of the lining ring model.
2. The shield tunnel lining ring model making device according to claim 1, wherein the first connecting piece comprises a connecting steel plate (4) and screws (5), the end part of each inner template (3) is provided with a screw hole for penetrating through the screw (5), the adjacent inner templates (3) are fixed and positioned through the connecting steel plate (4) and the screws (5), and the formed outer arc surface provides a template for the inner side of the lining ring model.
3. The shield tunnel lining ring modeling apparatus of claim 2, wherein said screw holes are provided in plurality.
4. The shield tunnel lining ring model making device according to claim 1, wherein the inner formworks (3) are provided with inner formworks pin holes (7), the corresponding positions of the bottom plates (14) are provided with bottom plate pin holes (8), and the inner formworks (3) and the bottom plates (14) are mutually fixed and positioned through pins (6).
5. The shield tunnel lining ring modelling device of claim 1, wherein said inner formwork (3) is provided with a handle (9).
6. The shield tunnel lining ring mould making apparatus according to claim 1, wherein said outer mould member comprises at least two outer formworks (13), each outer formwork (13) being fixed and positioned to each other by means of second connecting members, the inner arc surface being formed to provide a formwork for the outer side of the lining ring mould.
7. The shield tunnel lining ring modeling apparatus of claim 6, wherein said second connection members comprise screws and battens.
8. The shield tunnel lining ring modelling arrangement according to claim 2, wherein said spacers (12) are clamped between adjacent inner formworks (3).
9. The shield tunnel lining ring model making device according to claim 6, wherein the outer formwork (13) is provided with outer formwork screw holes, the corresponding position of the bottom plate (14) is provided with bottom plate screw holes, and the outer formwork (13) and the bottom plate (14) are mutually fixed and positioned through screws.
10. A lining ring mold characterized in that the lining ring mold is a lining ring mold manufactured by the manufacturing apparatus of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596896.4U CN209851259U (en) | 2018-09-29 | 2018-09-29 | Shield tunnel lining ring model manufacturing device and lining ring model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596896.4U CN209851259U (en) | 2018-09-29 | 2018-09-29 | Shield tunnel lining ring model manufacturing device and lining ring model |
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| Publication Number | Publication Date |
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| CN209851259U true CN209851259U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821596896.4U Active CN209851259U (en) | 2018-09-29 | 2018-09-29 | Shield tunnel lining ring model manufacturing device and lining ring model |
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| CN (1) | CN209851259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741675A (en) * | 2018-09-29 | 2019-05-10 | 国家电网有限公司 | Shield tunnel liner ring model producing device, production method and lining cutting ring model |
| CN112324467A (en) * | 2020-12-08 | 2021-02-05 | 中铁第四勘察设计院集团有限公司 | Model of shield tunnel cast-in-place internal structure and test manufacturing method thereof |
| CN114012888A (en) * | 2021-11-08 | 2022-02-08 | 西南交通大学 | Tunnel model with flexible joint and mould thereof |
-
2018
- 2018-09-29 CN CN201821596896.4U patent/CN209851259U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741675A (en) * | 2018-09-29 | 2019-05-10 | 国家电网有限公司 | Shield tunnel liner ring model producing device, production method and lining cutting ring model |
| CN112324467A (en) * | 2020-12-08 | 2021-02-05 | 中铁第四勘察设计院集团有限公司 | Model of shield tunnel cast-in-place internal structure and test manufacturing method thereof |
| CN114012888A (en) * | 2021-11-08 | 2022-02-08 | 西南交通大学 | Tunnel model with flexible joint and mould thereof |
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