CN215618854U - Prefabricated box culvert mould - Google Patents
Prefabricated box culvert mould Download PDFInfo
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- CN215618854U CN215618854U CN202120737088.0U CN202120737088U CN215618854U CN 215618854 U CN215618854 U CN 215618854U CN 202120737088 U CN202120737088 U CN 202120737088U CN 215618854 U CN215618854 U CN 215618854U
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Abstract
The utility model relates to a prefabricated box culvert mould which comprises a base, an outer mould, an inner mould, a positioning piece and a lug-picking fixing frame, wherein the outer mould is fixedly connected with the base; the outer die and the inner die are both arranged on the upper surface of the base, the outer die is positioned outside the inner die, and an annular cavity is formed between the outer die and the inner die; the inner die and the outer die are connected through a positioning piece, one end of the positioning piece is installed on the upper surface of the outer die, and the other end of the positioning piece is installed on the upper surface of the inner die; the ear picking fixing frame is arranged between the inner film and the outer film, one end of the ear picking fixing frame is installed on the upper surface of the outer film, and the other end of the ear picking fixing frame is installed on the upper surface of the inner film. The utility model has simple structure and reduces the production cost; the relative position of the inner mold and the outer mold can be accurately controlled through the positioning piece; the ear fixing frame is arranged between the inner mold and the outer mold and used for fixing and picking the ears, the step of picking the ears is omitted after pouring is finished, and the production process flow of the box culvert is simplified.
Description
Technical Field
The utility model relates to the technical field of box culvert molds, in particular to a prefabricated box culvert mold.
Background
With the modernization of cities and the high-speed development of underground rail transit, box culverts are often used for the construction of tunnels for drainage and people passing through vehicles. The box culvert refers to a culvert built by reinforced concrete box pipe joints. The box culvert is composed of one or more square or rectangular sections and is generally made of reinforced concrete or masonry, but the reinforced concrete is widely applied, when the span is less than 4m, the box culvert is adopted, and for the pipe culvert, the reinforced concrete box culvert is a cheap substitute, and the pier, the upper plate and the lower plate are all poured uniformly.
In the process of prefabricating the box culvert, a mould is usually used, and the box culvert is poured and shaped by utilizing the mould, for example, Chinese patent CN206287304U discloses a hydraulic box culvert mould which comprises an outer mould assembly and an inner mould assembly, wherein the outer mould assembly comprises an outer mould base, an outer left wall plate, an outer right wall plate, a left blocking plate, a rear left blocking plate, a front right blocking plate, a rear right blocking plate, a front lower blocking plate and a rear lower blocking plate; the inner mold assembly comprises an inner mold bottom plate, an inner left wallboard, an inner right wallboard, an inner left corner plate and an inner right corner plate, a left hydraulic cylinder is arranged between the inner left corner plate and the inner left wallboard, and a right hydraulic cylinder is arranged between the inner right corner plate and the inner right wallboard; the outer die base is fixedly provided with a support frame, the support frame extends into the space between the inner left wall plate and the inner right wall plate, the support frame is provided with a double-output-shaft hydraulic cylinder, and two piston rods of the double-output-shaft hydraulic cylinder are respectively connected with the inner left wall plate and the inner right wall plate. The design reduces the labor intensity, shortens the die opening and closing time, improves the production efficiency, and is widely applied to box culvert manufacturing, but the structure is complex, the processing and the manufacturing are inconvenient, and the manufacturing cost is improved; in addition, when the prefabricated box culvert is transported to a construction site for construction, a plurality of prefabricated box culverts need to be connected, so that when the prefabricated box culvert is produced, picking lugs are often arranged on the prefabricated box culvert, the picking lugs can be arranged after the prefabricated box culvert is formed, the prefabricated box culvert can also be placed in a pouring mold in advance before concrete of the prefabricated box culvert is poured, and the picking lugs are arranged after the prefabricated box culvert is formed, so that the manufacturing process is increased, and the labor cost is increased; the ear will be chosen to put in the mould before concrete placement, chooses the position of ear hardly accurate control, leads to the fact the influence to prefabricated box culvert connection.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prefabricated box culvert mould, which aims to overcome the defects of complex structure, various box culvert manufacturing procedures and the like of the conventional box culvert mould.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
the utility model relates to a prefabricated box culvert mould which comprises a base, an outer mould, an inner mould, a positioning piece and a lug-picking fixing frame, wherein the outer mould is fixedly connected with the base; the outer die and the inner die are both arranged on the upper surface of the base, the outer die is positioned outside the inner die, and an annular cavity is formed between the outer die and the inner die; the inner die and the outer die are connected through a positioning piece, one end of the positioning piece is installed on the upper surface of the outer die, and the other end of the positioning piece is installed on the upper surface of the inner die; the ear picking fixing frame is arranged between the inner film and the outer film, one end of the ear picking fixing frame is installed on the upper surface of the outer film, and the other end of the ear picking fixing frame is installed on the upper surface of the inner film.
Preferably, the ear-picking fixing frames are provided with a plurality of groups, and the ear-picking fixing frames are uniformly arranged around the inner die.
Preferably, the ear picking fixing frame comprises a hinge seat, a movable rod and a supporting seat; the articulated seat install the upper surface at the external mold, the support seat install the upper surface at the centre form, be equipped with the recess on the support seat, the one end of movable rod articulated with articulated seat, the other end of movable rod is placed in the recess.
Preferably, the ear picking fixing frame comprises a hinge seat, a movable rod and a supporting seat; the articulated seat install the upper surface at the centre form, the support seat install the upper surface at the external mold, be equipped with the recess on the support seat, the one end of movable rod articulated with articulated seat, the other end of movable rod is placed in the recess.
Preferably, the inner surface of the inner die is provided with latticed inner film reinforcing ribs.
Preferably, the outer surface of the outer die is provided with latticed outer die reinforcing ribs.
Preferably, the lower part of the base is provided with a plurality of I-shaped steels which are arranged in parallel and are uniformly distributed at equal intervals.
Preferably, the inner side of the inner membrane is provided with a plurality of supporting rods which are arranged in a crossed mode.
Preferably, the ear-picking fixing frame is provided with 2 groups at the front side and the rear side of the inner mould respectively, and 3 groups at the left side and the right side of the inner mould respectively.
Preferably, the positioning pieces are arranged in 3 groups and are uniformly distributed on the front side of the inner die.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
1. the utility model relates to a prefabricated box culvert mould which comprises an inner mould, an outer mould and a base, wherein the inner mould and the outer mould are connected through a positioning piece, and the positioning piece plays a role in accurately positioning, so that the distance between the inner mould and the outer mould can be accurately controlled, and the prefabricated box culvert is accurate in size; and the prefabricated box culvert mould has simple structure, reduces the production difficulty and simultaneously reduces the economic cost.
2. The utility model relates to a prefabricated box culvert mould, which is characterized in that a lug-picking fixing frame is arranged between an inner mould and an outer mould and used for fixing a lug, so that the step of arranging the lug after pouring is omitted, and the production process flow of a box culvert is simplified.
Drawings
Figure 1 is a perspective view of a prefabricated box culvert mould according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
figure 3 is a schematic structural diagram of a prefabricated box culvert.
In the figure: the method comprises the following steps of 1-base, 11-I-steel, 2-outer mold, 21-outer mold reinforcing rib, 3-inner mold, 31-inner mold reinforcing rib, 4-ear picking fixing frame, 41-hinged seat, 42-movable rod, 43-supporting seat, 5-positioning piece, 6-supporting rod, 7-prefabricated box culvert and 8-ear picking.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
With reference to fig. 1-2, the utility model provides a mould for prefabricating a box culvert, which comprises a base 1, an outer mould 2, an inner mould 3, a positioning piece 5 and a lug-raising fixing frame 4; the outer die 2 is arranged on the base 1, the outer surface of the outer die 2 is provided with latticed outer die reinforcing ribs 21, the inner die 3 is arranged on the base 1, the inner surface of the inner die 3 is provided with latticed inner die reinforcing ribs 31, and the inner die reinforcing ribs 31 and the outer die reinforcing ribs 21 are respectively used for increasing the strength of the inner die 3 and the outer die 2; the outer die 2 is positioned outside the inner die 3, and an annular cavity is formed between the outer die 2 and the inner die 3; the positioning piece 5 is positioned at the front side of the inner die 3, one end of the positioning piece 5 is arranged on the upper surface of the outer die 2, and the other end of the positioning piece 5 is arranged on the upper surface of the inner die 3; and one end of the ear-picking fixing frame 4 is arranged on the upper surface of the outer die 2, and the other end of the ear-picking fixing frame is arranged on the upper surface of the inner die 3 and is uniformly arranged around the inner die 3. The ear picking fixing frame 4 comprises a hinge seat 41, a movable rod 42 and a supporting seat 43; the articulated seat 41 is arranged on the upper surface of the outer die 2, the supporting seat 43 is arranged on the upper surface of the inner die 3, a groove is arranged on the supporting seat 43, one end of the movable rod 42 is articulated with the articulated seat 41, and the other end of the movable rod 42 is placed in the groove. In this embodiment, the ear-picking fixing frames 4 are respectively provided with 2 groups at the front and rear sides of the inner mold 3, and 3 groups at the left and right sides of the inner mold 3; the positioning pieces 5 are arranged in 3 groups and are uniformly distributed on the front side of the inner die 3. The lower part of the base 1 is provided with a plurality of I-shaped steel 11 which are arranged in parallel, and the I-shaped steel 11 are evenly distributed at equal intervals.
The inner die 3 is formed by splicing a plurality of inner die steel plates, adjacent inner die steel plates are connected through bolts, and a plurality of supporting rods 6 which are arranged in a crossed mode are arranged on the inner side of the inner die 3; the outer die 2 is formed by splicing a plurality of outer die steel plates, and adjacent outer die steel plates are connected through bolts.
When the device is used, the outer die 2 is placed on the base 1, the inner die 3 is placed in the area, located inside the outer die 2, on the base 1, so that an annular cavity is formed between the outer die 2 and the inner die 3, and the relative position of the inner die 3 and the outer die 2 is determined; the inner die and the outer die are connected by the mounting positioning piece 5, screw holes are preset in the positions of the mounting positioning piece 5 on the inner die and the outer die, when the inner die and the outer die are connected, only through holes at two ends of the positioning piece 5 are respectively matched with the screw holes on the inner template and the outer template, and then bolts are screwed on to realize the relative fixation of the inner die 3 and the outer die 2; hanging the bound steel bars into a cavity between the inner and outer molds, then hanging the ear picking fixing frames 4 by using thin ropes, and rotating the movable rod 42 to enable two ends of the movable rod 42 to be respectively erected on the hinging seat 41 and the supporting seat 43; and (3) injecting concrete into a cavity between the inner mold 3 and the outer mold 2 in which the reinforcing steel bars are placed, and opening the mold after the slurry is formed and fixed to form a prefabricated box culvert 7 with the cantilever lugs 8 as shown in figure 3.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated box culvert mould which characterized in that: it comprises a base, an external mold, an internal mold, a positioning piece and a lug-picking fixing frame; the outer die and the inner die are both arranged on the upper surface of the base, the outer die is positioned outside the inner die, and an annular cavity is formed between the outer die and the inner die; the inner die and the outer die are connected through a positioning piece, one end of the positioning piece is installed on the upper surface of the outer die, and the other end of the positioning piece is installed on the upper surface of the inner die; the ear picking fixing frame is arranged between the inner film and the outer film, one end of the ear picking fixing frame is installed on the upper surface of the outer film, and the other end of the ear picking fixing frame is installed on the upper surface of the inner film.
2. The precast box culvert mould of claim 1, characterized in that: the ear fixing frames are arranged in a plurality of groups, and the ear fixing frames are assembled and evenly arranged around the internal mold.
3. The precast box culvert mould of claim 1 or 2, characterized in that: the ear picking fixing frame comprises a hinge seat, a movable rod and a supporting seat; the articulated seat install the upper surface at the external mold, the support seat install the upper surface at the centre form, be equipped with the recess on the support seat, the one end of movable rod articulated with articulated seat, the other end of movable rod is placed in the recess.
4. The precast box culvert mould of claim 1 or 2, characterized in that: the ear picking fixing frame comprises a hinge seat, a movable rod and a supporting seat; the articulated seat install the upper surface at the centre form, the support seat install the upper surface at the external mold, be equipped with the recess on the support seat, the one end of movable rod articulated with articulated seat, the other end of movable rod is placed in the recess.
5. The precast box culvert mould of claim 1, characterized in that: the inner surface of the inner mold is provided with latticed inner film reinforcing ribs.
6. The precast box culvert mould of claim 1, characterized in that: the outer surface of the outer mold is provided with latticed outer mold reinforcing ribs.
7. The precast box culvert mould of claim 1, characterized in that: the lower part of the base is provided with a plurality of I-shaped steels which are arranged in parallel and are evenly distributed at equal intervals.
8. The precast box culvert mould of claim 1, characterized in that: the inner side of the inner membrane is provided with a plurality of supporting rods which are arranged in a crossed manner.
9. The precast box culvert mould of claim 1, characterized in that: the ear-picking fixing frame is respectively provided with 2 groups at the front side and the rear side of the inner mould, and 3 groups at the left side and the right side of the inner mould.
10. The precast box culvert mould of claim 1, characterized in that: the locating piece set 3 groups and evenly distributed on the front side of the internal mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120737088.0U CN215618854U (en) | 2021-04-12 | 2021-04-12 | Prefabricated box culvert mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120737088.0U CN215618854U (en) | 2021-04-12 | 2021-04-12 | Prefabricated box culvert mould |
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| Publication Number | Publication Date |
|---|---|
| CN215618854U true CN215618854U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120737088.0U Active CN215618854U (en) | 2021-04-12 | 2021-04-12 | Prefabricated box culvert mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683375A (en) * | 2022-03-31 | 2022-07-01 | 北京港创瑞博混凝土有限公司 | Box culvert template and construction method thereof |
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2021
- 2021-04-12 CN CN202120737088.0U patent/CN215618854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683375A (en) * | 2022-03-31 | 2022-07-01 | 北京港创瑞博混凝土有限公司 | Box culvert template and construction method thereof |
| CN114683375B (en) * | 2022-03-31 | 2023-08-08 | 北京港创瑞博混凝土有限公司 | Box culvert template and construction method thereof |
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