CN213867365U - Box girder pulling internal mold - Google Patents
Box girder pulling internal mold Download PDFInfo
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- CN213867365U CN213867365U CN202020633267.5U CN202020633267U CN213867365U CN 213867365 U CN213867365 U CN 213867365U CN 202020633267 U CN202020633267 U CN 202020633267U CN 213867365 U CN213867365 U CN 213867365U
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Abstract
The utility model relates to a bridge construction technical field specifically discloses a case roof beam pull centre form. The device comprises a left upper template, a left lower template, a right upper template and a right lower template which are hinged with each other; each template consists of a transverse plate, a side plate and a bent panel for connecting the transverse plate and the side plate; a latch is arranged at the joint of the left upper template and the right upper template, and a latch is arranged at the joint of the left lower template and the right lower template; and a drawing component is connected between the transverse plates of the left upper template and the left lower template, and a drawing component is connected between the transverse plates of the right upper template and the right lower template. The utility model provides a pull subassembly of case roof beam pull centre form is many link mechanism, and the connecting rod at centre form both ends is the double pin location with the center pin pull rod, during the form removal, only needs to demolish the locking bolt on the connecting rod of both ends and demolish the shutting, and the centre form can easily be demolishd to the pulling center pin pull rod, and the dress form is demolishd convenient and fast, labour saving and time saving.
Description
Technical Field
The utility model relates to a bridge structures construction technical field specifically is a case roof beam pull centre form.
Background
The box girder is one kind of bridge engineering center sill, and inside is the hollow form, and there is the edge of a wing upper portion both sides, similar case, and reinforced concrete structure's box girder divide into prefabricated box girder and cast-in-place box girder.
The inner space of the box girder is small, the inner die is gradually removed from a single section, the bottom and two sides of the inner die are supported and loosened firstly, then the inner die skylight template and the inner die bottom plate are removed, then the side templates on two sides of the inner die are removed and folded, and the side templates are pulled out integrally. When the centre form among the conventional art is installed and removed, need the workman to bore narrow and small mould inner space and implement the operation, because the temperature is high in the mould, demolish the process intensity, consequently, the case roof beam centre form of traditional structure demolishs inefficiency, also because demolish the process and difficultly can cause the deformation of template, influence subsequent use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a case roof beam pull centre form, for pull formula centre form structure, the pull subassembly is many link mechanism, when demolising the mould, opens the shutting, opens the locking bolt on the connecting rod of both ends, stimulates the center pin pull rod, and the centre form is around the rotatory shrink of round pin axle, and after the cross-sectional dimension reduced, just can pull it out very easily, prop up and tear convenient and fast open, and it is laborsaving to save trouble.
In order to achieve the above purpose, the utility model comprises the following technical scheme: a box girder drawing internal mold comprises a left upper template, a left lower template, a right upper template and a right lower template, wherein each template consists of a transverse plate, a side plate and a bending panel for connecting the transverse plate and the side plate; the connecting part of the side plates of the left upper template and the left lower template is connected through a plurality of sections of articulated pieces, and the connecting part of the side plates of the right upper template and the right lower template is connected through a plurality of sections of articulated pieces; a latch is arranged at the joint of the left upper template and the right upper template, and a latch is arranged at the joint of the left lower template and the right lower template;
a drawing component is connected between the transverse plates of the left upper template and the left lower template; the drawing assembly comprises a plurality of groups of pull rod assemblies in the vertical direction and a central shaft pull rod which is axially connected with the middle position of each pull rod assembly; each group of pull rod assemblies consists of a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and the connecting rods are connected through a coupling bolt in the left-right direction; the first connecting rod of each group of pull rod assemblies is hinged with the upper template on the left side through a hinge piece in the front-back direction; the fourth connecting rod of each group of pull rod assemblies is hinged with the lower template on the left side through a hinge piece in the front-back direction; a detachable locking bolt is further arranged at the joint of the second connecting rod and the third connecting rod of the pull rod assembly positioned at the two ends of the central shaft pull rod;
the drawing components are connected between the transverse plates of the right upper template and the right lower template in a bilateral symmetry manner; the structure of the drawing assembly is the same as that of the drawing assembly between the transverse plates of the left upper template and the left lower template;
further, the locking device comprises a first vertical plate, a second vertical plate and a third vertical plate, wherein the first vertical plate and the second vertical plate are fixed on the edge of the lower die plate on the left side, the third vertical plate is hinged on the edge of the lower die plate on the right side, and when the locking device is locked, the third vertical plate is clamped between the first vertical plate and the second vertical plate; the first vertical plate, the second vertical plate and the third vertical plate are provided with pin holes in corresponding positions, and pins are clamped in the pin holes when the first vertical plate, the second vertical plate and the third vertical plate are closed.
Furthermore, a plurality of reinforcing steel plates are welded on the inner sides of the left upper template, the left lower template, the right upper template and the right lower template; the reinforcing steel plates are transversely and longitudinally arranged in a crossed mode.
Furthermore, the joint of the left upper template and the right upper template is a chamfer; the included angle between the oblique cutting plane and the vertical plane is 45-60 degrees; on one hand, the inclined plane avoids interference when the left and right templates are closed and separated, and on the other hand, when the templates are opened, the gap of the template parts is reduced to the maximum extent, so that the pouring effect is ensured.
Furthermore, a pull hole is formed in the end of the central shaft pull rod.
The utility model provides a box girder drawing internal mold, which is a drawing internal mold and comprises a multi-connecting rod mechanism, wherein upper and lower connecting rods at two ends and a central shaft pull rod form a surface double-pin complete positioning to limit the degree of freedom of the mechanism in six directions; the middle connecting rod and the central shaft pull rod form a positioning structure with a single pin on one surface, the degree of freedom of rotation in the front-back direction of the central shaft pull rod is released, and the degrees of freedom in five directions are limited. The upper and lower templates and the multi-link mechanism form a support body mechanism capable of positioning.
When the formwork is erected, the locking bolts at the two ends are locked, the whole mechanism is completely closed, and the locking is fastened by pins.
When the mold is disassembled, the locking bolts at the two ends are disassembled, the central shaft pull rod is pulled under the action of external force, the inner mold rotates and contracts around the pin shaft, and after the size of the cross section is reduced, the inner mold is pulled out from the inner cavity by a winch.
The box girder drawing inner mold provided by the utility model has the characteristics of convenient and fast support and disassembly, time and labor saving, and can realize the mold disassembly without manually climbing into the mold plate and manually disassembling, thereby greatly reducing the labor intensity of workers; meanwhile, due to the improvement of the mould removing efficiency, the damage of excessive external force to the mould plate is avoided; thus, the device has a very advantageous technical effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a drawing assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the latch according to the embodiment of the present invention.
Wherein:
11 is a left upper template, 12 is a left lower template, 21 is a right upper template, 22 is a right lower template, 33 is a hinge, 51 is a first connecting rod, 52 is a second connecting rod, 53 is a third connecting rod, 54 is a fourth connecting rod, 55 is a central shaft pull rod, 100 is a lock, 101 is a first vertical plate, 102 is a second vertical plate, 103 is a third vertical plate, and 501 is a locking bolt.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example (b):
referring to fig. 1-4, the utility model provides a box girder drawing internal mold, which comprises a left upper template 11, a left lower template 12, a right upper template 21 and a right lower template 22, wherein each template is composed of a transverse plate, a side plate, and a bending panel connecting the transverse plate and the side plate; the side plate connecting parts of the left upper template 11 and the left lower template 12 are connected through a plurality of sections of hinge pieces 33, and the side plate connecting parts of the right upper template 21 and the right lower template 22 are connected through a plurality of sections of hinge pieces 33; a latch 100 is arranged at the joint of the left upper template 11 and the right upper template 21, and a latch 100 is arranged at the joint of the left lower template 12 and the right lower template 22;
the lock 100 is a first vertical plate 101 and a second vertical plate 102 fixed on the edge of the left lower template 12, and a third vertical plate 103 hinged on the edge of the right lower template 22, and when the lock 100 is closed, the third vertical plate 103 is clamped between the first vertical plate 101 and the second vertical plate 102; the corresponding positions of the first vertical plate 101, the second vertical plate 102 and the third vertical plate 103 are provided with pin holes, and pins are clamped in the pin holes when the first vertical plate, the second vertical plate and the third vertical plate are closed;
a drawing component is connected between the transverse plates of the left upper template 11 and the left lower template 12; the drawing components comprise a plurality of groups of pull rod components in the vertical direction and a central shaft pull rod 55 which is axially connected with the middle position of each pull rod component; each group of pull rod assemblies consists of a first connecting rod 51, a second connecting rod 52, a third connecting rod 53 and a fourth connecting rod 54, and all the connecting rods are connected through a left-right direction coupling bolt; the first connecting rod 51 of each group of pull rod assemblies is hinged with the left upper template 11 through a hinge in the front-back direction; the fourth connecting rod 54 of each group of pull rod assemblies is hinged with the left lower template 12 through a hinge in the front-back direction; a detachable locking bolt 501 is further arranged at the joint of the second connecting rod 52 and the third connecting rod 53 of the pull rod assembly positioned at the two ends of the central shaft pull rod 55;
and the drawing components are connected between the transverse plates of the right upper template 21 and the right lower template 22 in a bilateral symmetry manner.
In the box girder drawing inner die, a plurality of reinforcing steel plates are welded on the inner sides of the left upper template 11, the left lower template 12, the right upper template 21 and the right lower template 22.
In the box girder drawing inner die, the joint of the left upper die plate 11 and the right upper die plate 21 is a chamfer.
In the box girder drawing inner die, a drawing hole is formed at the end of the central shaft pull rod 55.
In the description herein, the schematic representations of the terms used above are not necessarily intended to be the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (5)
1. A box girder drawing inner die comprises a left upper die plate (11), a left lower die plate (12), a right upper die plate (21) and a right lower die plate (22), wherein the left upper die plate (11), the left lower die plate (12), the right upper die plate (21) and the right lower die plate (22) are respectively composed of a transverse plate, a side plate, and a bending panel for connecting the transverse plate and the side plate; the side plate connecting parts of the left upper template (11) and the left lower template (12) are connected through a plurality of sections of hinge pieces (33), and the side plate connecting parts of the right upper template (21) and the right lower template (22) are connected through a plurality of sections of hinge pieces (33); it is characterized in that the preparation method is characterized in that,
a latch (100) is arranged at the joint of the left upper template (11) and the right upper template (21), and a latch (100) is arranged at the joint of the left lower template (12) and the right lower template (22);
a drawing component is connected between the transverse plates of the left upper template (11) and the left lower template (12); the drawing assembly comprises a plurality of groups of pull rod assemblies in the vertical direction and a central shaft pull rod (55) which is axially connected with the middle position of each pull rod assembly; each group of pull rod assemblies consists of a first connecting rod (51), a second connecting rod (52), a third connecting rod (53) and a fourth connecting rod (54), and all the connecting rods are connected through coupling bolts in the left-right direction; the first connecting rod (51) of each group of pull rod assemblies is hinged with the left upper template (11) through a hinge piece in the front-back direction; the fourth connecting rod (54) of each group of pull rod assemblies is hinged with the left lower template (12) through a hinge piece in the front-back direction; a detachable locking bolt (501) is further arranged at the joint of the second connecting rod (52) and the third connecting rod (53) of the pull rod assembly positioned at the two ends of the central shaft pull rod (55);
the drawing components are connected between the transverse plates of the right upper template (21) and the right lower template (22) in a bilateral symmetry mode.
2. The box girder drawing inner die of claim 1, wherein the latch (100) comprises a first vertical plate (101) and a second vertical plate (102) fixed on the edge of the lower die plate (12) on the left side, and a third vertical plate (103) hinged on the edge of the lower die plate (22) on the right side, and when the latch (100) is closed, the third vertical plate (103) is clamped between the first vertical plate (101) and the second vertical plate (102); the first vertical plate (101), the second vertical plate (102) and the third vertical plate (103) are provided with pin holes in corresponding positions, and pins are clamped in the pin holes when the first vertical plate, the second vertical plate and the third vertical plate are closed.
3. The box girder drawing inner die according to claim 1, wherein a plurality of reinforcing steel plates are welded on the inner sides of the left upper die plate (11), the left lower die plate (12), the right upper die plate (21) and the right lower die plate (22).
4. A box girder pulling inner die according to claim 1, wherein the joint of the left upper die plate (11) and the right upper die plate (21) is a chamfer.
5. A box girder pulling inner mold according to claim 1, wherein the end of the center shaft pull rod (55) is provided with a pulling hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633267.5U CN213867365U (en) | 2020-04-24 | 2020-04-24 | Box girder pulling internal mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020633267.5U CN213867365U (en) | 2020-04-24 | 2020-04-24 | Box girder pulling internal mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213867365U true CN213867365U (en) | 2021-08-03 |
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ID=77032408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020633267.5U Active CN213867365U (en) | 2020-04-24 | 2020-04-24 | Box girder pulling internal mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213867365U (en) |
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2020
- 2020-04-24 CN CN202020633267.5U patent/CN213867365U/en active Active
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