CN214194421U

CN214194421U - Continuous type of tunnel portal headwall turns over and rises template device

Info

Publication number: CN214194421U
Application number: CN202022924122.3U
Authority: CN
Inventors: 李怀国; 陈梦; 刘伦; 罗锋寿; 姬二通; 刘旭辉; 邹义群; 向子云
Original assignee: Sinohydro Bureau 1 Co Ltd
Current assignee: Sinohydro Bureau 1 Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-14
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a continuous type lifting template device for a tunnel portal end wall, which comprises two panels in contact with a poured concrete surface, wherein the lower panel is fixed with the poured concrete surface, and the left side of the upper panel forms a pouring cavity for concrete to be poured; the panel is matched with an upper row of bolts and a lower row of bolts, the upper part of the poured concrete surface is poured with a dowel, and a lacing wire is matched between the dowel and the bolts; a back ridge is welded on the outer side of the panel, a vertical support is welded on the back ridge, an operation platform is installed on the outer side of the vertical support, and an inclined support is matched between the operation platform and the vertical support; a guardrail is arranged at the outer side position of the top of the operating platform; the device can avoid building a large-area scaffold, the formwork is simply and rapidly dismantled in the field, and the pouring efficiency is improved.

Description

Continuous type of tunnel portal headwall turns over and rises template device

Technical Field

The utility model relates to a tunnel portal headwall continuous type mould device that overturns.

Background

In the concrete construction process of the tunnel portal end wall of the hydraulic and hydroelectric engineering tunnel, the combined small steel die is adopted to set up the scaffold to pour concrete, the small steel die needs to set up double rows of load-bearing scaffolds at the present formwork support, time and labor are wasted, the material consumption of the scaffold is increased, the scaffold is not economical, and meanwhile, inevitable errors can be generated when the small steel die is installed, so that the quality of poured concrete is poor. In terms of the pouring process, due to the limitation of the size of the common small steel die, the small steel die needs to be repeatedly disassembled and assembled, and the process is also complicated, time-consuming and labor-consuming. Improvements in concrete construction forms are needed.

Based on the above problem, need design one kind and can avoid large tracts of land scaffold to build, the template is simple rapidly dismantled in the ann on scene, improves a tunnel portal headwall continuous type of efficiency of pouring template device that rises.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can avoid large tracts of land scaffold to build, the template is simple rapidly dismantled at on-the-spot ann, improves the tunnel portal headwall continuous type of pouring efficiency and turns over the lift up template device.

In order to solve the above problem, the utility model adopts the following technical scheme:

a continuous type overturning and lifting template device for a tunnel portal end wall comprises two panels in contact with a poured concrete surface, wherein the lower panel is fixed with the poured concrete surface, and a pouring cavity for concrete to be poured is formed in the left side of the upper panel; the panel is matched with an upper row of bolts and a lower row of bolts, the upper part of the poured concrete surface is poured with a dowel, and a lacing wire is matched between the dowel and the bolts; a back ridge is welded on the outer side of the panel, a vertical support is welded on the back ridge, an operation platform is installed on the outer side of the vertical support, and an inclined support is matched between the operation platform and the vertical support; and a guardrail is arranged at the outer side position of the top of the operating platform.

Preferably, the thickness of the panel is 6mm to 12 mm.

Preferably, the back edge adopts No. 10 channel steel.

Preferably, a reinforcing rod matched with the bolt is arranged on the outer side plate surface of the panel, the reinforcing rod and the panel are welded, and the bolt acts on the reinforcing rod; the bolt needs to be locked with the panel, and when the inner end of the bolt is under the action of the tie bar, the panel formed by pressing the bolt is likely to deform along with pouring of concrete. After the reinforcing rod is adopted, the deformation force can be dispersed through the reinforcing rod, and the panel is convenient to concentrate deformation caused by stress.

Preferably, the reinforcing rod is a hollow steel rod.

Preferably, the operating platform comprises steel plates at the upper side and the lower side, and a plurality of steel pipes are welded between the steel plates at the upper side and the lower side; the operation platform with the structure has higher structural strength.

Preferably, the wall thickness of the steel plate is 2mm to 4mm, and the wall thickness of the steel pipe is 2mm to 4 mm.

Preferably, long bolts are assembled between a plurality of the steel pipes which are adjacent in the transverse direction; the structure can reinforce the adjacent steel pipes to form a whole, so that the stress capacity is further improved.

When in use, the turnover formwork construction is a basic construction unit consisting of 2 layers of formworks, and the upper and lower layer sections are connected by adopting U-shaped cards. The utility model provides a template device that rises realizes like this, pour earlier 1.5m wall body concrete of headwall bottom first layer, the template is fixed on the wall body by connecting the pull rod, when the concrete reaches 10MPa, found second festival 1.5m template, second festival template supports on first festival template, the pull rod consolidates fixed back, pour the concrete, demolish lower floor's template after the concrete reaches intensity, adopt the truck crane hoist and mount, turn over to rise to second floor wall body top, pour third floor concrete, rise in turn like this circulation.

The utility model has the advantages that: the utility model discloses structure convenient operation, simple structure, labour saving and time saving. The work of turning over the template, binding the reinforcing steel bars, pouring concrete, lifting the platform and the like is carried out in a circulating mode, time can be saved, the investment of constructors is reduced, cost is saved, the template can be simply and rapidly installed and disassembled on site, the concrete can be continuously poured, and the construction progress is accelerated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the operation platform.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the continuous type lifting template device for the end wall of the tunnel portal comprises two panels 1 in contact with a poured concrete surface, wherein the two panels 1 are arranged at the upper part and the lower part, the panel 1 at the lower part is fixed with the poured concrete surface, and a pouring cavity 101 for pouring concrete is formed at the left side of the panel 1 at the upper part; the panel 1 is matched with an upper row of bolts 2 and a lower row of bolts 2, the upper part of a poured concrete surface is poured with a dowel bar 3, and a tie bar 4 is matched between the dowel bar 3 and the bolts 2; a back ridge 5 is welded on the outer side of the panel 1, a vertical support 6 is welded on the back ridge 5, an operating platform 7 is installed on the outer side of the vertical support 6, and an inclined support 8 is matched between the operating platform 7 and the vertical support 6; a guardrail 9 is installed at an outer position of the top of the operation platform 7.

In a preferred embodiment of the present invention, the thickness of the panel 1 is 6 mm.

In one preferred embodiment of the present invention, the back edge 5 is made of 10 channel steel.

In a preferred embodiment of the present invention, a reinforcing rod 121 for engaging the bolt 2 is disposed on the outer panel surface of the panel 1, the reinforcing rod 121 and the panel 1 are welded to each other, and the bolt acts on the reinforcing rod; the bolt needs to be locked with the panel, and when the inner end of the bolt is under the action of the tie bar, the panel formed by pressing the bolt is likely to deform along with pouring of concrete. After the reinforcing rod is adopted, the deformation force can be dispersed through the reinforcing rod, and the panel is convenient to concentrate deformation caused by stress.

In a preferred embodiment of the present invention, the reinforcing rod 121 is a hollow steel rod.

In a preferred embodiment of the present invention, the operation platform 7 includes upper and lower steel plates 701, and a plurality of steel pipes 702 are welded between the upper and lower steel plates 701; the operation platform with the structure has higher structural strength.

The utility model discloses in a preferred embodiment, the wall thickness of steel sheet 701 is 4mm, the wall thickness of steel pipe 702 is 3 mm.

In a preferred embodiment of the present invention, long bolts 777 are installed between a plurality of the steel pipes 702 adjacent in the transverse direction; the structure can reinforce the adjacent steel pipes to form a whole, so that the stress capacity is further improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tunnel portal headwall continuous type mould device that rises which characterized in that: the concrete pouring device comprises panels in contact with a poured concrete surface, wherein two panels are arranged above and below the panels, the panel below the panel is fixed with the poured concrete surface, and a pouring cavity for concrete to be poured is formed in the left side of the panel above the panel; the panel is matched with an upper row of bolts and a lower row of bolts, the upper part of the poured concrete surface is poured with a dowel, and a lacing wire is matched between the dowel and the bolts; a back ridge is welded on the outer side of the panel, a vertical support is welded on the back ridge, an operation platform is installed on the outer side of the vertical support, and an inclined support is matched between the operation platform and the vertical support; and a guardrail is arranged at the outer side position of the top of the operating platform.

2. The continuous type lifting template device for the end wall of the tunnel portal of claim 1, wherein: the thickness of the panel is 6 mm-12 mm.

3. The continuous type lifting template device for the end wall of the tunnel portal of claim 1, wherein: the back edges adopt No. 10 channel steel.

4. The continuous type lifting template device for the end wall of the tunnel portal of claim 1, wherein: the outer side plate surface of the panel is provided with a reinforcing rod matched with the bolt, the reinforcing rod is welded with the panel, and the bolt acts on the reinforcing rod.

5. The continuous lifting template device for the end wall of the tunnel portal of claim 4, wherein: the reinforcing rod is a hollow steel rod piece.

6. The continuous type lifting template device for the end wall of the tunnel portal of claim 1, wherein: the operation platform comprises steel plates on the upper side and the lower side, and a plurality of steel pipes are welded between the steel plates on the upper side and the lower side.

7. The continuous lifting template device for the end wall of the tunnel portal of claim 6, wherein: the wall thickness of the steel plate is 2 mm-4 mm, and the wall thickness of the steel pipe is 2 mm-4 mm.

8. The continuous lifting template device for the end wall of the tunnel hole door as claimed in claim 6 or 7, wherein: and long bolts are assembled between a plurality of the steel pipes which are adjacent in the transverse direction.