CN211174132U - Small-section round tunnel concrete lining formwork device - Google Patents
Small-section round tunnel concrete lining formwork device Download PDFInfo
- Publication number
- CN211174132U CN211174132U CN201921616766.7U CN201921616766U CN211174132U CN 211174132 U CN211174132 U CN 211174132U CN 201921616766 U CN201921616766 U CN 201921616766U CN 211174132 U CN211174132 U CN 211174132U
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped
- tunnel concrete
- formwork
- arched
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a circular tunnel concrete lining form device of small cross section belongs to hydraulic tunnel construction technical field. The small-section round tunnel concrete lining formwork device comprises an arched frame, an arched formwork block, an arched frame connecting assembly and a slab vibrator. The utility model discloses can overcome the not enough of the conventional template device of the circular tunnel concrete lining of small cross section, reduce the work load of installing and tearing open of the circular tunnel concrete form of small cross section, improve the installation of template device and demolish efficiency, can realize line production, can improve tunnel concrete appearance quality greatly simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the construction of hydraulic tunnel, specifically speaking relates to a circular tunnel concrete lining form device of small cross section.
Background
At present, the construction of hydraulic small-section round tunnel concrete lining usually adopts a steel pipe support combined small steel mould process, the appearance quality of the process is poor after the concrete is demoulded, the template installation and dismantling efficiency is low, the operation is not beneficial to flow operation, and the safe civilized construction in the tunnel is also not beneficial.
Disclosure of Invention
In order to solve the problem that proposes among the background art, the utility model provides a circular tunnel concrete lining template device of small cross section can overcome the not enough of the conventional template device of the circular tunnel concrete lining of small cross section, reduces the circular tunnel concrete template of small cross section and installs and tear work load, improves tunnel concrete appearance quality.
The utility model provides a technical scheme that its technical problem adopted as follows:
a circular tunnel concrete lining template device of small cross section include bow-shaped frame, arc template piece, bow-shaped frame coupling assembling and flat vibrator, the bow-shaped frame form by 8# channel-section steel and phi 48 steel pipe welding, three bow-shaped frame makes up into a circular bow-shaped frame, connect fixedly through bow-shaped frame coupling assembling between the adjacent bow-shaped frame, the arc template piece is installed along the bow-shaped frame cambered surface in the bow-shaped frame outside, the arc template piece in the circular bow-shaped frame outside encloses into a pipe form template body, a plurality of unloading windows have been seted up on the pipe form template body, flat vibrator vibrates the ware through flat vibrator fixed baseplate and installs at circular template body inboardly.
Furthermore, the circular tube-shaped template body is supported by a plurality of circular arch frames, the circular arch frames are connected through longitudinal connecting rods, the circular arch frames and the longitudinal connecting rods are fixed through fasteners, each arch frame is formed by welding an arc-shaped beam, a lower chord and two vertical web members, two ends of the lower chord are welded with two ends of the arc-shaped beam, and the vertical web members are welded between the arc-shaped beam and the lower chord.
Furthermore, the bow-shaped frame connecting component comprises arc-shaped beam end connecting plates, wedge-shaped blocks, bolts, nuts and inclined washers, the arc-shaped beam end connecting plates are welded at the two ends of the arc-shaped beams, the two wedge-shaped blocks are symmetrically embedded in the butt joint gap of the two arc-shaped beams, and the two wedge-shaped blocks and the two arc-shaped beam end connecting plates are fixedly connected through the bolts and the nuts, so that the purpose of convenience in mounting and dismounting is achieved.
Further, the arc-shaped module is also provided with a top plate feeding port connecting pipe, and the top plate feeding port connecting pipe is positioned at the top of the circular tube-shaped template body.
Furthermore, a cover plate with the same width and height as the windows is arranged at the corresponding position of the blanking window, the cover plate is connected with the arc-shaped template block through a bolt, and the contact surface of the blanking window cover plate and the concrete is an arc surface.
The utility model has the advantages that:
the utility model discloses can overcome the not enough of the conventional template device of the circular tunnel concrete lining of small cross section, reduce the work load of installing and tearing open of the circular tunnel concrete form of small cross section, improve the installation of template device and demolish efficiency, can realize line production, can improve tunnel concrete appearance quality greatly simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an expanded view of the arc-shaped form body of the present invention;
fig. 3 is a partial enlarged view of the part a of the present invention.
In the figure, 1-arc template piece, 2-bow-shaped frame, 3-longitudinal tie rod, 4-fastener, 5-roof pay-off mouth connecting pipes, 6-unloading window, 7-flat vibrator fixed baseplate, 8-flat vibrator, 9-arc roof beam tip connecting plate, 10-wedge, 11-bolt, 12-inclined washer, 13-nut.
Detailed Description
The following describes the embodiments and working procedures of the present invention in further detail with reference to the examples and drawings.
As shown in figures 1-3, a small-section round tunnel concrete lining template device comprises segmental frames 2, arc template blocks 1, segmental frame connecting components and a slab vibrator 8, wherein the segmental frames 2 are formed by welding 8# channel steel and phi 48 steel pipes, three segmental frames 2 are combined into a round segmental frame, adjacent segmental frames 2 are fixedly connected through the segmental frame connecting components, the segmental frame connecting components comprise arc beam end connecting plates 9, wedge blocks 10, bolts 11, nuts 13 and inclined washers 12, arc beam end connecting plates 9 are welded at two ends of each arc beam, two wedge blocks 10 are symmetrically embedded at butt joint gaps of the two arc beams, the two wedge blocks 10 and the two arc beam end connecting plates 9 are fixedly connected through the bolts 11 and the nuts 13, the purpose of convenient mounting and dismounting is achieved, when in connection, the two arc beam end connecting plates 9 are fixedly connected through the bolts 11 and the nuts 13, the gap between the connecting plates at the two ends is in smooth transition butt joint through the wedge blocks 10, connection and disassembly are very convenient, and the installation and disassembly efficiency of the template device is improved. The outer side of the arched frame 2 is provided with an arc-shaped template block 1 along the arc surface of the arched frame 2, the arc-shaped template block 1 on the outer side of the circular arched frame is enclosed to form a circular tube-shaped template body, the circular tube-shaped template body is supported by a plurality of circular arched frames, the circular arched frames are connected through longitudinal connecting rods 3, the circular arched frames and the longitudinal connecting rods 3 are fixed through fasteners 4, each arched frame 2 is formed by welding an arc-shaped beam, a lower chord and two vertical web members, the two ends of the lower chord are welded with the two ends of the arc-shaped beam, and the vertical web members are welded between the arc-shaped beam and the lower chord. A plurality of blanking windows 6 are arranged on the circular tube-shaped template body, and a flat vibrator 8 is arranged on the inner side of the circular template body through a flat vibrator fixing base 7. When the device is used, after the installation acceptance of the steel bars of the full-section concrete bin (12 m long) of the small-section tunnel is qualified, the arc-shaped template block 1 of the bottom plate is installed, the thickness control ribs of the steel bar protection layer are used as the supporting steel bars of the arc-shaped template block 1, the arch-shaped frames 2 are installed on the arc-shaped template block 1 every 2m, seven arch-shaped frames 2 are installed, the bottom plate arch-shaped frames 2 are fixed firmly by the longitudinal connecting rods 3 and the fasteners 4, then the arc-shaped template blocks 1 of two side walls are installed, the arch-shaped frames 2 of the two side walls are installed again, and the bottom plate arch-shaped frames 2 and the side wall arch-shaped frames 2 are connected into the circular arch frame by the. After the circular arch frame is installed, the arc formwork block 1 of the top plate is installed, and finally, the arch frames 2 on the two side walls are fixed firmly by the longitudinal connecting rods 3 and the fasteners 4. When pouring tunnel bottom plate and side wall concrete, concrete is discharged from the discharging window 6, and the discharging window 6 is also used as a vibrating window of the plug-in vibrator. The corresponding position of the blanking window 6 is also provided with a cover plate with the same width and height as the window, the cover plate is connected with the arc-shaped template block 1 through a bolt, the contact surface of the cover plate of the blanking window 6 and concrete is an arc surface, and the cover plate of the blanking window 6 is covered after the concrete near the blanking window 6 is vibrated and compacted. A flat plate vibrator fixing base 7 is arranged at a proper position between the discharging windows 6, a flat plate vibrator 8 is arranged on the fixed flat plate vibrator fixing base 7, and concrete which cannot be vibrated by the inserted vibrator is vibrated by the flat plate vibrator 8. Arc module on still be provided with roof pay-off mouth connecting pipe 5, roof pay-off mouth connecting pipe 5 is located pipe form template body top position department, when pouring tunnel roof concrete, the concrete pump pipe is connected with roof pay-off mouth connecting pipe 5, pump sending concrete is put into storage, the roof concrete is filled and just set, demolishs the pump pipe. The utility model discloses can overcome the not enough of the conventional template device of the circular tunnel concrete lining of small cross section, reduce the work load of installing and tearing open of the circular tunnel concrete form of small cross section, improve the installation of template device and demolish efficiency, can realize line production, can improve tunnel concrete appearance quality greatly simultaneously.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (5)
1. The small-section round tunnel concrete lining formwork device is characterized by comprising an arched frame, arc formwork blocks, an arched frame connecting component and a flat vibrator, wherein the arched frame is formed by welding 8# channel steel and phi 48 steel pipes, three arched frames are combined into a round arch frame, adjacent arched frames are fixedly connected through the arched frame connecting component, the arc formwork blocks are mounted on the outer side of the arched frame along the arched surface of the arched frame, the arc formwork blocks on the outer side of the round arch frame are enclosed into a round pipe-shaped formwork body, a plurality of blanking windows are formed in the round pipe-shaped formwork body, and the flat vibrator is mounted on the inner side of the round formwork body through a flat vibrator fixing base.
2. A small-section circular tunnel concrete lining formwork apparatus according to claim 1, wherein: the circular tubular formwork body is supported by a plurality of round arch frames, the round arch frames are connected through longitudinal connecting rods, the round arch frames and the longitudinal connecting rods are fixed through fasteners, each arch frame is formed by welding an arc-shaped beam, a lower chord and two vertical web members, two ends of the lower chord are welded with two ends of the arc-shaped beam, and the vertical web members are welded between the arc-shaped beam and the lower chord.
3. A small-section circular tunnel concrete lining formwork apparatus according to claim 1, wherein: the bow-shaped frame connecting component comprises a connecting plate at the end part of the arc-shaped beam, wedge-shaped blocks, bolts, nuts and inclined washers, the connecting plate at the end part of the arc-shaped beam is welded at both ends of the arc-shaped beam, the two wedge-shaped blocks are symmetrically embedded at the butt joint gap of the two arc-shaped beams, and the two wedge-shaped blocks and the connecting plate at the end part of the two arc-shaped beams are connected and fixed through the bolts and the nuts, so that the aim of convenient mounting.
4. A small-section circular tunnel concrete lining formwork apparatus according to claim 1, wherein: the arc-shaped template block is also provided with a top plate feeding port connecting pipe, and the top plate feeding port connecting pipe is positioned at the top of the circular tube-shaped template body.
5. A small-section circular tunnel concrete lining formwork apparatus according to claim 1, wherein: the corresponding position of the blanking window is also provided with a cover plate with the same width and height as the window, the cover plate is connected with the arc-shaped template block through a bolt, and the contact surface of the blanking window cover plate and the concrete is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616766.7U CN211174132U (en) | 2019-09-26 | 2019-09-26 | Small-section round tunnel concrete lining formwork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616766.7U CN211174132U (en) | 2019-09-26 | 2019-09-26 | Small-section round tunnel concrete lining formwork device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174132U true CN211174132U (en) | 2020-08-04 |
Family
ID=71801451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616766.7U Active CN211174132U (en) | 2019-09-26 | 2019-09-26 | Small-section round tunnel concrete lining formwork device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174132U (en) |
-
2019
- 2019-09-26 CN CN201921616766.7U patent/CN211174132U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217000873U (en) | Bay window assembly | |
| CN103603494B (en) | A kind of ultra-thin steel truss sloping core construction method and formwork structure | |
| CN211174132U (en) | Small-section round tunnel concrete lining formwork device | |
| CN211006269U (en) | Side form supporting device for pavement base construction | |
| CN111608314A (en) | Bidirectional laminated slab concrete structure and integral joint construction method thereof | |
| CN215052265U (en) | Reinforced concrete thin wall body reinforced structure | |
| CN108930406A (en) | Construction method for large-formwork narrow-space wall based on integral assembly | |
| CN211080778U (en) | Prefabricated assembled concrete column structure | |
| CN201179688Y (en) | Longitudinal link type frame pre-stress rail plate mould | |
| CN210530084U (en) | Open type steel reinforced concrete composite truss floor | |
| CN211947965U (en) | Cast-in-situ continuous box girder internal mold | |
| CN209040849U (en) | A kind of negative endless tube sheet connecting apparatus of shield tunnel construction | |
| CN212146897U (en) | Inner formwork supporting and anti-floating structure of large box girder | |
| CN113737652B (en) | Temporary supporting structure for simply supported channel beam | |
| CN100584558C (en) | Longitudinal connection type frame prestress rail board mould | |
| CN216634837U (en) | Combined steel structure pedestal | |
| CN217500293U (en) | Prefabricated square pile and photovoltaic support | |
| CN216664994U (en) | Novel template bracket of continuous steel structure beam | |
| CN104988941A (en) | Large bearing platform type foundation hanging formwork and construction method thereof | |
| CN211850801U (en) | Outer wall root template fixed knot constructs | |
| CN213804942U (en) | Suspension casting system for rigid frame bridge hanging basket | |
| CN216974171U (en) | Pre-welding interpenetration detachable anchor ring screw and steel template combined construction device | |
| CN215594979U (en) | Convenient construction operation frame for flat vibrator | |
| CN219910781U (en) | Movable tunnel roof arch concrete lining device | |
| CN220225460U (en) | Post-cast strip braced system for anchorage basic roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |