CN204386608U - A kind of tunnel invert construction tool - Google Patents
A kind of tunnel invert construction tool Download PDFInfo
- Publication number
- CN204386608U CN204386608U CN201420824682.3U CN201420824682U CN204386608U CN 204386608 U CN204386608 U CN 204386608U CN 201420824682 U CN201420824682 U CN 201420824682U CN 204386608 U CN204386608 U CN 204386608U
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- template
- longeron
- curved panel
- locating rack
- arc
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Abstract
A kind of tunnel invert construction tool, comprise curved panel template, described curved panel template is provided with longeron in template, longeron in template, longeron under template, connecting rod is provided with between longeron under upper longeron and template, the termination of curved panel template construction direction of advance is provided with arc tips mould, longeron in template in the pinned connection curved panel template of arc tips mould both sides, described arc tips mould utilizes arc i iron crossbeam positioning supports, arc i iron crossbeam both sides are provided with longitudinal girder locating rack of " L " shape, longeron in template in the pinned connection curved panel template of longitudinal girder locating rack one end, longitudinal girder locating rack is provided with strut, strut one end connects arc tips mould, described longitudinal girder locating rack side is provided with several U jigs.Solve and reduce the problem that tunnel invert construction labor workload, raising model sheetinstallat precision and accurate strong fix indulge hoop waterstop, raising installation quality, there is construction safety, quality be high, progress is fast, the feature of high efficiency, and easy to use, simple to operate, be convenient to processing and safeguard.
Description
Technical field
The utility model relates to a kind of tunnel invert construction tool.
Background technology
In recent years along with tunnel underground construction rises year by year at engineering entity proportion, in railway tunnel construction, form a set of more whole management in design and operation system.As the management of constructing tunnel step pitch controls; ensure the safety of constructing tunnel to a certain extent; but in constructing tunnel manufacturing process; traditional engineering method adopts wooden model or piecemeal punching block; need drop into more artificial, consume more man-hour, and inverted arch efficiency of construction is low, cycle period can not with tunnel excavation circulation synchronous; cause will suspending excavation in tunnel excavating process, perform inverted arch and ensure that step pitch is controlled.Cause each work plane of constructing tunnel synchronously not advance, cause resources idle, duration loss, benefit to run off.
Utility model content
Its object of the utility model is just to provide a kind of tunnel invert construction tool, solve and reduce the problem that tunnel invert construction labor workload, raising model sheetinstallat precision and accurate strong fix indulge hoop waterstop, raising installation quality, there is construction safety, quality be high, progress is fast, the feature of high efficiency, and easy to use, simple to operate, be convenient to processing and safeguard.
Realize above-mentioned purpose and the technical scheme taked, comprise curved panel template, described curved panel template is provided with longeron in template, longeron in template, longeron under template, connecting rod is provided with between longeron under upper longeron and template, the termination of curved panel template construction direction of advance is provided with arc tips mould, longeron in template in the pinned connection curved panel template of arc tips mould both sides, described arc tips mould utilizes arc i iron crossbeam positioning supports, arc i iron crossbeam both sides are provided with longitudinal girder locating rack of " L " shape, longeron in template in the pinned connection curved panel template of longitudinal girder locating rack one end, longitudinal girder locating rack is provided with strut, strut one end connects arc tips mould, described longitudinal girder locating rack side is provided with several U jigs.
Compared with prior art the utility model has the following advantages.
1) reduce tunnel invert construction labor workload, improve model sheetinstallat precision
The curved panel template used of being constructed by tunnel invert and end punching block are integrated on a composite roof truss by 1 group of hoop, 2 groups of longitudinal steel trusss, truss is by the strut on steel truss girder, with with dress with the type steel support formboard fastening torn open, effective minimizing labor workload, improves model sheetinstallat precision;
2) accurately strong fix indulges hoop waterstop, improves installation quality
2 groups of longitudinal steel truss girders arrange rotatable U-shaped positioner according to a determining deviation, and U-shaped one end is inserted on the pedestal on steel truss girder, and the other end hangs two back-to-back 80 angle steel, adopts to add to fasten longitudinal waterstop, improves positioning precision, reduces workload.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is this apparatus structure schematic front view;
Fig. 2 is this apparatus structure diagrammatic side view;
Fig. 3 is U fixture structure elevation in this device;
Fig. 4 is U fixture structure side view in this device.
Detailed description of the invention
Comprise curved panel template 1, as Fig. 1, shown in Fig. 2, described curved panel template 1 is provided with longeron 2 in template, longeron 3 in template, longeron 4 under template, connecting rod 13 is provided with between longeron 4 under upper longeron 2 and template, the construct termination of direction of advance of curved panel template 1 is provided with arc tips mould 5, longeron 3 in template in arc tips mould 5 both sides pinned connection curved panel template 1, described arc tips mould 5 utilizes arc i iron crossbeam 6 positioning supports, arc i iron crossbeam 6 both sides are provided with longitudinal girder locating rack 8 of " L " shape, longeron 2 in template in longitudinal girder locating rack 8 one end pinned connection curved panel template 1, longitudinal girder locating rack 8 is provided with strut 7, strut 7 one end connects arc tips mould 5, described longitudinal girder locating rack 8 side is provided with several U jigs 9.
Described U jig 9 one end is movably connected on longitudinal girder locating rack 8, and the other end connects " U " shape clamp 10, and " U " shape clamp 10 side welded nut 11, nut 11 is connected and fixed bolt 12, as shown in Figure 3, Figure 4.
Embodiment
1 structure
This device comprises curved panel template, end mould arc formwork, template shore component, longitudinal girder locating rack, arc i iron crossbeam, waterstop location locating rack, U jig.
Curved panel template and longeron: according to the cambered design curved panel template of tunnel invert, form surfacing adopts 6mm steel plate.Stiffening rib adopts [6 channel-section steel spacing 0.3m.Curved panel is divided into 2 unit, three road longerons, longeron adopts [16 channel-section steels, upper unit upper end, terminal part respectively arranges one Two bors d's oeuveres channel-section steel longeron, lower unit arranges one longeron, by curved panel form assembly integrally, longitudinal pitch 3 meters arranges one group and shores system, often group shores Operation system setting 2 struts, and the two ends of strut are fixed on template longeron by pin joint, and strut is used for formboard fastening and prevents Form floating in casting process, the climbing shuttering demoulding in form removal process simultaneously, is convenient to traveling and builds sections to next.
End mould arc formwork and arc i iron crossbeam: according to tunnel ends cambered design arc tips mould and i iron crossbeam; i iron crossbeam main couple forms nock by 2 I18 i iron according to the clod wash of tunnel invert radian and adopts 2 horizontal direction I18 i iron to connect, and laterally and vertically adopts I18 i iron to strengthen.I iron tripod is set in the both sides of crossbeam for support longeron and longitudinal waterstop jig.Arc tips mould is divided into three parts, and namely inverted arch lining cutting is divided into 2 with waterstop burial place, and point inverted arch is filled separately as 1 part.Template connecting portion arranges waterstop and settles platform, adopts Special steel clip to fix between two-layer template.
Waterstop location locating rack, U jig: bury waterstop location in hoop and be mainly divided into 2 parts to adopt steel to fasten realization by inverted arch arc formwork.Bury waterstop in longitudinal direction by arranging rotatable U-shaped positioner according to a determining deviation on longitudinal steel truss girder, U-shaped one end is inserted on the pedestal on steel truss girder, and the other end hangs two, and back-to-back [80 angle steel adopt steel clip to fasten longitudinal waterstop.Steel card adopts versatility steel card, is convenient to keeping and uses.
2 usings method
(1) inverted arch just props up after construction, i iron crossbeam is moved to inverted arch to be onstructed section of end and accurately locates.
(2) location arc tips mould and hoop waterstop are installed.
(3) by longeron and curved panel template to be onstructed section of inverted arch also accurate location always.
(4) by bury in longitudinally waterstop positioner install location longitudinally in bury waterstop.
(5) check reinforcing template support system, build inverted arch concrete.
(6) after inverted arch concrete reaches strength of mould stripping, utilize the strut demoulding, move to the construction of next section of building.
(7) repeat (1) ~ (6) and build next sections.
3 application notices
In inverted arch work progress, chassis uses flat rate higher, should make regular check on the weld seam damage situations of shaped steel welding position, has the situation in sealing-off crack repair welding in time to strengthen.Before building concrete, reply screw mandrel carries out parcel protection, prevents cement paste from polluting, causes screw mandrel normally not use.Platform balance movable type should movement as far as possible stably, prevents damaged in collision parts, and chassis answers front fulcrum should be seated on solid basal plane behind location, prevents the stressed unstability of chassis.
4 operating principles
The construct curved panel template used and end punching block of tunnel invert is integrated on a composite roof truss by 1 group of hoop, 2 groups of longitudinal steel trusss, truss by the strut on steel truss girder, with dress with the type steel support formboard fastening torn open.Combined by the connection of the connection combination of longitudinal and transverse truss, template and truss, utilize molded inverted arch as rear fulcrum, front inverted arch is Zhi Zuowei front fulcrum just, and tunnel invert is constructed the template system of formation monolithic stability, convenient operation.Take into account waterstop quick and precisely positioning function simultaneously.
Claims (2)
1. a tunnel invert construction tool, comprise curved panel template (1), it is characterized in that, described curved panel template (1) is provided with longeron in template (2), longeron (3) in template, longeron (4) under template, connecting rod (13) is provided with between longeron (4) under upper longeron (2) and template, curved panel template (1) construction direction of advance one termination is provided with arc tips mould (5), longeron (3) in template on arc tips mould (5) both sides pinned connection curved panel template (1), described arc tips mould (5) utilizes arc i iron crossbeam (6) positioning supports, arc i iron crossbeam (6) both sides are provided with longitudinal girder locating rack (8) of " L " shape, longeron (2) in template on longitudinal girder locating rack (8) one end pinned connection curved panel template (1), longitudinal girder locating rack (8) is provided with strut (7), strut (7) one end connects upper longeron (2), described longitudinal girder locating rack (8) side is provided with several U jigs (9).
2. a kind of tunnel invert construction tool according to claim 1, it is characterized in that, described U jig (9) one end is movably connected on longitudinal girder locating rack (8), the other end connects " U " shape clamp (10), " U " shape clamp (10) side welded nut (11), nut (11) is connected and fixed bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824682.3U CN204386608U (en) | 2014-12-24 | 2014-12-24 | A kind of tunnel invert construction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824682.3U CN204386608U (en) | 2014-12-24 | 2014-12-24 | A kind of tunnel invert construction tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386608U true CN204386608U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420824682.3U Active CN204386608U (en) | 2014-12-24 | 2014-12-24 | A kind of tunnel invert construction tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN204386608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN107120128A (en) * | 2017-07-05 | 2017-09-01 | 中铁二十二局集团第五工程有限公司 | A kind of operate with method of the longitudinal waterstop positioning fixture of novel tunnel |
| CN108356731A (en) * | 2018-04-03 | 2018-08-03 | 南通振华重型装备制造有限公司 | A kind of cantilever diaphragm fixing tool |
-
2014
- 2014-12-24 CN CN201420824682.3U patent/CN204386608U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499411A (en) * | 2016-11-29 | 2017-03-15 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled hangs template and construction method |
| CN106499411B (en) * | 2016-11-29 | 2019-02-12 | 中铁隧道集团二处有限公司 | A kind of single-track tunnel macroportion inverted arch self-propelled suspension template and construction method |
| CN107120128A (en) * | 2017-07-05 | 2017-09-01 | 中铁二十二局集团第五工程有限公司 | A kind of operate with method of the longitudinal waterstop positioning fixture of novel tunnel |
| CN107120128B (en) * | 2017-07-05 | 2023-11-21 | 中铁二十二局集团第五工程有限公司 | Operation and use method of novel tunnel longitudinal water stop positioning clamp |
| CN108356731A (en) * | 2018-04-03 | 2018-08-03 | 南通振华重型装备制造有限公司 | A kind of cantilever diaphragm fixing tool |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |