CN214145525U - Inverted arch arc template - Google Patents
Inverted arch arc template Download PDFInfo
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- CN214145525U CN214145525U CN202021333530.5U CN202021333530U CN214145525U CN 214145525 U CN214145525 U CN 214145525U CN 202021333530 U CN202021333530 U CN 202021333530U CN 214145525 U CN214145525 U CN 214145525U
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- inverted arch
- framework
- arc
- skeleton
- template
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Abstract
The utility model provides an inverted arch arc template, inverted arch arc template includes: a beam frame; the framework is rotatably arranged on the beam frame; the arc template, the arc template is installed on the skeleton, and on the rotation initiating position of skeleton, the convex surface of arc template is towards the bottom in tunnel. The utility model discloses in, because the arc form setting can follow the skeleton and together rotate on the skeleton to constructor only manually promotes the skeleton and rotates and just can put aside skeleton and arc form from rotating the initiating position, is about to put aside skeleton and arc form from the bottom in tunnel, does not occupy the space of follow-up construction.
Description
Technical Field
The utility model relates to a tunnel construction technical field, in particular to inverted arch arc template.
Background
At present, an inverted arch template used in a tunnel construction process is generally a steel template and comprises a panel and rib plates, the thickness of the panel reaches 8mm, the thickness of the rib plate reaches 3mm, therefore, each steel template is very heavy, the weight of each square meter reaches 127kg, the common length of the inverted arch template is 6m and the width of the inverted arch template is 2.5m in the actual construction process, the total weight of the whole inverted arch template reaches 1.9 tons, an operator cannot manually complete the disassembly and assembly of the inverted arch arc template and needs to use an excavator for matching operation, in the prior art, the inverted arch template is directly fixed on a beam frame by pins, the inverted arch template is placed close to a side wall together with the beam frame after being disassembled, the space in the tunnel is limited, the operation space of the constructor is insufficient, subsequent operation of tying reinforcing steel bars and the like is inconvenient, and the construction progress of the tunnel is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an invert arc template aims at solving invert arc template among the prior art and occupies the tunnel space, leads to constructor not convenient to carry out the problem of follow-up construction.
In order to achieve the above object, the utility model provides an invert arc template, invert arc template includes:
a beam frame;
the framework is rotatably arranged on the beam frame;
the arc template is arranged on the framework.
Optionally, a rotating support is arranged on the beam frame, and the framework is rotatably connected to the rotating support.
Optionally, the connection of skeleton first through-hole has been seted up to the one end of rotating the support, be equipped with the pivot in the first through-hole in order to form the skeleton with rotating the rotation of support is connected.
Optionally, the beam frame comprises a first bearing beam and a second bearing beam, a connecting rod is connected between the first bearing beam and the second bearing beam, and the rotating support is arranged on the first bearing beam.
Optionally, the inverted arch arc-shaped formwork further comprises a limiting support, the limiting support is arranged on the second bearing beam, and the limiting support is located on a rotating path of the framework.
Optionally, on the rotation of skeleton stops the position, the one end of skeleton is connected the rotation support, the other end of skeleton is connected spacing support.
Optionally, the limiting support comprises two supports, the two supports are arranged at intervals to form a limiting groove, the two supports are fixed on the second bearing beam, and the framework is fixed in the limiting groove.
Optionally, two limiting holes are formed in the support, a second through hole is formed in one end, connected with the limiting support, of the framework, and the pin shaft penetrates through the limiting holes and the second through hole to fix the framework.
Optionally, the skeleton has the web and sets up the pterygoid lamina of web both sides, the arc template is installed at two adjacent skeletons on the pterygoid lamina.
The utility model discloses technical scheme is through installing the skeleton is rotatable on the roof beam structure to install the arc template on the skeleton, and on the rotation initiating position of skeleton, the convex surface of arc template is towards the bottom in tunnel. Because the arc-shaped template is installed on the framework and can rotate along with the framework, constructors only manually push the framework to rotate so as to remove the framework and the arc-shaped template from the rotation starting position, namely remove the framework and the arc-shaped template from the bottom of the tunnel without occupying the space of subsequent construction. In actual construction, the rotatable structure can completely remove the arc-shaped template and the framework in the tunnel from the working position in half an hour or even shorter time, and compared with the prior art that the operation cost of the excavator is several hours, a large amount of time can be saved, and the construction progress of the tunnel is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an inverted arch form of the present invention;
FIG. 2 is a schematic view of an assembly structure of the framework and the limiting support in the inverted arch arc formwork of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at B;
FIG. 4 is a cross-sectional view of a framework and an arcuate form at an intermediate position along A-A of FIG. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
15 | |
| 11 | First bearing |
2 | |
| 12 | Second bearing |
21 | |
| 13 | Connecting |
22 | |
| 14 | Limiting |
3 | Arc- |
| 141 | |
4 | |
| 142 | Limiting hole |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, in order to achieve the above object, the utility model provides an inverted arch arc formwork, inverted arch arc formwork includes: a beam frame 1; the framework 2 is rotatably arranged on the beam frame 1; arc template 3, arc template 3 is installed on skeleton 2, and on the rotation initiating position of skeleton 2, arc template 3's convex surface is towards the bottom in tunnel.
The beam frame 1 is mainly used for mounting the framework 2 and bearing the weight from the framework 2, the arrangement direction of the beam frame 1 is determined according to the construction condition, and in the embodiment, the beam frame 1 extends towards the lengthwise direction of the tunnel. Skeleton 2 and roof beam structure 1 are rotatable coupling, there are rotation initiating position and rotation termination position (being in rotation initiating position in figure 1, be rotation termination position in figure 2) on the rotation route of skeleton 2, the rotation initiating position is the operating position of inverted arch arc template, the rotation termination position is the position behind the inverted arch arc template withdrawing operation state, the withdrawing operation state that here indicates that inverted arch arc template is idle not used or with its state of dismantling this moment, owing to still need to carry out subsequent inverted arch filling concrete and pour etc. operation, often need to remove arc template 3 from the operating position, and can follow skeleton 2 and rotate together with installing arc template 3 on skeleton 2, thereby constructor only manual promotion skeleton 2 rotates and just can remove skeleton 2 and arc template 3 from rotating the initiating position. In actual construction, the arc-shaped formwork 3 and the framework 2 in the tunnel can be completely removed from the working position only in half an hour by the rotatable structure, and compared with the prior art that the operation of adopting the excavator takes several hours, a large amount of time can be saved.
The position that is used for installing arc template 3 on skeleton 2 is the arc, and in concrete implementation, the skeleton includes web 21 and pterygoid lamina 22, and web 21 and pterygoid lamina 22 are the arc to in installation arc template 3, the one end and the roof beam structure 1 rotatable coupling of skeleton 2, the rotation of skeleton 2 drives arc template 3 and rotates. In this embodiment, a plurality of skeletons 2 are rotatably connected to the beam frame 1, and the skeletons 2 are arranged at equal intervals, so that the arc-shaped templates 3 arranged on the two adjacent skeletons 2 are consistent in size, and standardized production is facilitated.
The convex surface of arc template 3 is towards the tunnel bottom, and the concave surface is towards the top in tunnel, and of course, this kind of orientation also can make certain angular adjustment according to actual construction conditions, for example the concave surface inclines certain angle to the side wall direction in tunnel etc.. The connection of the arc-shaped template 3 and the framework 2 can be fixed connection (such as welding) or detachable connection (such as pin connection, threaded connection and steel wire binding). When being connected as fixed connection when arc template 3 and skeleton 2, skeleton 2 drives arc template 3 and rotates together, when arc template 3 is connected for dismantling with skeleton 2, constructor can select to dismantle arc template 3 from skeleton 2 earlier and rotate skeleton 2 again to make the rotation of skeleton 2 easier.
The arc-shaped templates 3 can be made of plastic steel, the plastic steel is light, and the arc-shaped templates are used for installation and carrying by constructors, so that the operation of the excavator is avoided. In one embodiment, in order to further improve the strength of the plastic steel formwork, a plurality of reinforcing ribs can be additionally arranged on the surface of the plastic steel formwork, and the plurality of reinforcing ribs can be arranged in parallel or perpendicular to each other.
In a further embodiment, the beam frame 1 is provided with a rotating support 15, and the framework 2 is rotatably connected to the rotating support 15.
Be equipped with on roof beam structure 1 and rotate support 15, the quantity of rotating support 15 is unanimous with the quantity of skeleton 2, promptly, only sets up a skeleton 2 on each rotates support 15, and skeleton 2 is through the round pin hub connection on rotating support 15, and skeleton 2 rotates around this round pin axle.
In a specific implementation, a first through hole is opened at one end of the framework 2 connected to the rotating support 15, and a rotating shaft (not labeled in the figure) is arranged in the first through hole to form a rotating connection between the framework 2 and the rotating support 15.
The framework 2 is provided with a first through hole (not shown) for the shaft to pass through, and two ends of the shaft protruding out of the first through hole are connected with the support to form the rotary connection between the framework 2 and the rotary support 15.
The beam frame 1 comprises a first bearing beam 11 and a second bearing beam 12, a connecting rod 13 is connected between the first bearing beam 11 and the second bearing beam 12, and the rotating support 15 is arranged on the first bearing beam 11.
The beam frame 1 specifically comprises a first bearing beam 11 and a second bearing beam 12 which are used for bearing the weight of the framework 2, the first bearing beam 11 is connected with the second bearing beam 12 through a connecting rod 13, in order to increase the connection reliability and ensure the strength of the beam frame 1, the connecting rods 13 are multiple and are arranged between the first bearing beam 11 and the second bearing beam 12 at intervals. The swivel support 15 can be located on the first girder 11 or on the connecting rod 13.
As shown in fig. 2, the inverted arch arc formwork further includes a limit support 14, the limit support 14 is disposed on the second bearing beam 12, and the limit support 14 is located on a rotation path of the framework 2.
In an embodiment, the arc formwork 3 further includes a limit support 14, the limit support 14 is used for fixing the framework 2, the limit support 14 is located on a rotation path of the framework 2, and when the framework 2 rotates to a position of the limit support 14, the limit support 14 can be limited in the limit support 14 through a pin, and of course, the limit support 14 can also be directly clamped in the limit support 14. Since the limit seat 14 is mounted on the second bearing beam 12, when the framework 2 rotates to the position of the limit seat 14, the limit seat 14 cannot continue to rotate in the original direction, and therefore, the limit seat 14 is located at the rotation end position of the framework 2.
As shown in fig. 3, the specific structure of the limiting support 14 includes two brackets 141 (not shown), the two brackets 141 are arranged at intervals to form a limiting groove (not shown), the two brackets 141 are fixed on the second bearing beam 12, the two brackets 141 are provided with limiting holes 142, and the framework 2 is fixed in the limiting groove.
A second through hole (not labeled in the figure) can be formed in the framework 2, and at this time, the pin shaft is inserted into the limiting hole 142 and the second through hole of the two brackets 141, so as to form a fixed connection to the framework 2. The second through hole may not be formed in the framework 2, the pin shaft can be inserted into the limiting holes 142 of the two supports at this time, and the framework 2 is blocked in the limiting groove by the pin shaft and cannot be separated from the limiting groove. In actual construction, the beam frame 1 is installed close to the side wall of the tunnel, and after the framework 2 is fixed to the limiting support 14, the framework 2 is close to the side wall and extends from the bottom of the tunnel to the top of the tunnel instead of extending along the bottom of the tunnel, so that the working space of a constructor at the bottom of the tunnel is not occupied.
As shown in fig. 4, the frameworks 2 have a web 21 and wing plates 22 disposed on two sides of the web 21, and the arc-shaped formworks 3 are mounted on the wing plates 22 of two adjacent frameworks 2.
The framework 2 comprises a web plate 21 and wing plates 22 on two sides of the web plate 21, the wing plates 22 are used for installing the arc-shaped templates 3, the arc-shaped templates 3 are installed on the wing plates 22 of two adjacent frameworks 2, the arc-shaped templates 3 and the wing plates 22 can be installed and fixed through welding or fixed through pin shafts 4 or fixed through bolts, for example, when connecting holes are formed in the web plate 21, installing holes can be correspondingly formed in the arc-shaped templates 3, the pin shafts 4 penetrate through the installing holes and the connecting holes to form detachable connection, under the connection mode, the edges of the arc-shaped templates 3 are provided with flanges, and the installing holes are formed in the flanges to facilitate the penetration of the pin shafts 4; or, the wing plate 22 may be provided with a connecting hole, and a mounting hole is correspondingly formed at a position of the arc-shaped formwork 3, which is overlapped with the wing plate 22, and the mounting hole is connected and fixed by a bolt or a pin shaft 4. This kind of arc template 3 and 2 detachable mounting means of skeleton make constructor can manually dismantle arc template 3, and arc template 3 divide into the polylith again, but constructor manual transport, convenient operation need not arrange in addition and dig the quick-witted operation for the construction progress in tunnel.
The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides an inverted arch arc template which characterized in that, inverted arch arc template includes:
the beam frame is provided with a rotating support;
the framework is rotatably arranged on the beam frame and is provided with a web plate and wing plates arranged on two sides of the web plate;
the arc template is arranged on the framework.
2. The inverted arch form of claim 1, wherein the frame is pivotally attached to the pivot mount.
3. The inverted arch arc formwork of claim 2, wherein a first through hole is formed at one end of the framework connected with the rotating support, and a rotating shaft is arranged in the first through hole to form a rotating connection between the framework and the rotating support.
4. The inverted arch arc formwork of claim 2 or 3, wherein the beam frame comprises a first bearing beam and a second bearing beam, a connecting rod is connected between the first bearing beam and the second bearing beam, and the rotating support is arranged on the first bearing beam.
5. The inverted arch form of claim 4, further comprising a limit bracket disposed on the second bolster beam, the limit bracket positioned on a rotational path of the frame.
6. The inverted arch template of claim 5, wherein at the end of the rotation of the frame, one end of the frame is connected to the rotation support, and the other end of the frame is connected to the limit support.
7. The inverted arch form of claim 6, wherein the retaining bracket comprises two brackets spaced apart to form a retaining groove, the two brackets being secured to the second bearing beam, the frame being secured in the retaining groove.
8. The inverted arch arc formwork of claim 7, wherein two of the brackets are provided with a limiting hole, one end of the framework connected with the limiting support is provided with a second through hole, and the framework is fixed by passing through the limiting hole and the second through hole through a pin shaft.
9. The inverted arch form of claim 1, wherein the form is mounted on the wing of two adjacent frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021333530.5U CN214145525U (en) | 2020-07-08 | 2020-07-08 | Inverted arch arc template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021333530.5U CN214145525U (en) | 2020-07-08 | 2020-07-08 | Inverted arch arc template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145525U true CN214145525U (en) | 2021-09-07 |
Family
ID=77521593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021333530.5U Active CN214145525U (en) | 2020-07-08 | 2020-07-08 | Inverted arch arc template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145525U (en) |
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2020
- 2020-07-08 CN CN202021333530.5U patent/CN214145525U/en active Active
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