CN214490986U - Prefabricated case roof beam mandrel of variable cross section - Google Patents
Prefabricated case roof beam mandrel of variable cross section Download PDFInfo
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- CN214490986U CN214490986U CN202023336623.6U CN202023336623U CN214490986U CN 214490986 U CN214490986 U CN 214490986U CN 202023336623 U CN202023336623 U CN 202023336623U CN 214490986 U CN214490986 U CN 214490986U
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Abstract
The utility model discloses a prefabricated case roof beam mandrel of variable cross section, concretely relates to prefabricated case roof beam makes technical field, including last mould and lower mould, the lower mould sets up in last mould bottom, it is equipped with left half-die to go up the mould left side, it is equipped with right half-die to go up the mould right side, it is symmetric distribution with last right half-die to go up left half-die, the lower mould left side is equipped with down left half-die, the lower mould right side is equipped with down right half-die, it is equipped with first connecting plate to go up left half-die right side, the welding of first connecting plate right side has first bumping post. The utility model discloses a plate body will be left half mould down and right half mould is connected, and first connecting plate will go up left half mould and fixed with left half mould down, and the second connecting plate will go up right half mould and right half mould down fixed, and the backup pad will go up left half mould and last right half mould fixed connection, will seal the piece and set up in the breach that last left half mould and last right half mould formed and support in the backup pad, is favorable to making the mandrel of prefabricated case beam-ends portion take out the convenience.
Description
Technical Field
The utility model relates to a prefabricated box girder makes technical field, relates to a prefabricated box girder mandrel of variable cross section, especially a prefabricated box girder mandrel of variable cross section.
Background
In the construction of the arched bridge, the arched bridge is manufactured, after prefabricated box girder templates need to be built, the whole body is poured, all templates are taken out after pouring is finished, and in the process of taking out the membrane plates in the box girder, a core mold at the end part of the prefabricated box girder needs to be taken out firstly.
The main technical problem in the existing core mould of the precast box girder with the variable cross section is that since the end of the bridge is generally used for the connection part of a crane for hoisting the bridge, the end is provided with a step to make the end easier to connect at the part, but the core mould is difficult to take out due to the arrangement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, providing a prefabricated case roof beam mandrel of variable cross section, the utility model aims to solve the technical problem that: how to take out the core mould of precast box girder tip convenient.
The purpose of the utility model can be realized by the following technical proposal: a prefabricated case beam core mould with variable cross section comprises an upper mould and a lower mould, wherein the lower mould is arranged at the bottom of the upper mould, an upper left half mould is arranged on the left side of the upper mould, an upper right half mould is arranged on the right side of the upper mould, the upper left half mould and the upper right half mould are symmetrically distributed, a lower left half mould is arranged on the left side of the lower mould, a lower right half mould is arranged on the right side of the lower mould, a first connecting plate is arranged on the right side of the upper left half mould, a first connecting column is welded on the right side of the first connecting plate, the first connecting column is fixedly connected with the upper left half mould and the lower left half mould through screws, a second connecting plate is arranged on the left side of the upper right half mould, a second connecting column is welded on the left side of the second connecting plate, the second connecting column is fixedly connected with the upper right half mould and the lower right half mould through screws, the joint of the upper left half mould and the lower left half mould is obliquely arranged, the joint of the upper right half mould and the lower half mould is obliquely arranged with the lower half mould, go up left half mould and last right half mould top and form the breach, the inside sealed piece that is equipped with of breach, sealed piece and breach phase-match, sealed piece bottom is equipped with the backup pad, the backup pad both ends pass through the screw with last left half mould and last right half mould respectively and can dismantle the connection, the junction slant setting of lower left half mould and lower right half mould bottom, left half mould one side is equipped with the plate body down, the plate body both ends pass through the screw with lower left half mould and lower right half mould bottom respectively and can dismantle the connection.
The utility model is used for in the arch bridge construction, the in-process of taking out of diaphragm plate in the case roof beam, need take out the mandrel of prefabricated case roof beam tip earlier, will lower left half mould and lower right half mould be connected through the plate body, then erect left half mould and last right half mould again, it is fixed with lower left half mould through first connecting plate with last left half mould, it is fixed with lower right half mould with last right half mould through the second connecting plate, it is last left half mould and last right half mould fixed connection to prop up through the backup pad, with the sealed piece setting in the breach that last left half mould and last right half mould formed and support in the backup pad, when dismantling, at first take out the sealed piece, dismantle the backup pad, dismantle first connecting plate and second connecting plate, dismantle left half mould and last right half mould again and take out, dismantle the plate body at last, dismantle left half mould and lower right half mould again, make the mandrel of prefabricated case roof beam tip take out conveniently.
In a preferred embodiment, the outer sides of the upper die and the lower die are fixedly connected with buffer springs, the number of the buffer springs is multiple, the buffer springs buffer the upper die and the lower die, the upper die and the lower die are protected, and the service life is prolonged.
In a preferred embodiment, a reinforcing plate is arranged outside the buffer spring, the buffer spring is fixedly connected with the reinforcing plate, and the reinforcing plate is used for supporting the buffer spring and resisting external force.
In a preferred embodiment, a buffer layer is arranged on the outer side of the reinforcing plate and fixedly connected with the reinforcing plate, and the buffer layer buffers the upper die and the lower die and protects the upper die and the lower die, so that the service life is prolonged.
In a preferred embodiment, the buffer layer outside is equipped with the anticorrosive coating, the anticorrosive coating is polyurethane paint, and mould and lower mould are gone up in the anticorrosive coating protection, and to going up mould and lower mould anticorrosive increase of service life.
In a preferred embodiment, the anticorrosive coating outside is equipped with the waterproof layer, the waterproof layer is the PE coating, and the waterproof layer protects last mould and lower mould, and waterproof to last mould and lower mould prolongs life.
Compared with the prior art, the utility model discloses a have following advantage:
the lower left half die is connected with the lower right half die through the plate body, the upper left half die is fixed with the lower left half die through the first connecting plate, the upper right half die is fixed with the lower right half die through the second connecting plate, the upper left half die is fixedly connected with the upper right half die through the supporting plate, the sealing block is arranged in a gap formed by the upper left half die and the upper right half die and is supported on the supporting plate, the core die at the end part of the prefabricated box girder is convenient to take out, the buffer spring and the buffer layer buffer the upper die and the lower die, the anti-corrosion layer and the waterproof layer resist corrosion and water for the upper die and the lower die, the upper die and the lower die are protected, the service life is prolonged, compared with the prior art, the problem that the core die is difficult to take out due to the fact that the end part of the bridge is usually used for a connecting part for a crane to lift up, and the bridge end is provided with a step is easier to connect to the position is effectively avoided, the core mould at the end part of the precast box girder is convenient to take out.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a plan view of the present invention.
Fig. 4 is a schematic view of the connection structure of the upper right half mold and the lower right half mold of the present invention.
Fig. 5 is a cross-sectional view of the upper mold of the present invention.
The reference signs are: 1. an upper die; 2. a lower die; 3. an upper left half mold; 4. an upper right half mold; 5. a lower left half mold; 6. a lower right half mold; 7. a first connecting plate; 8. a first connecting column; 9. a second connecting plate; 10. a second connecting column; 11. a notch; 12. a sealing block; 13. a support plate; 14. a plate body; 15. a buffer spring; 16. a reinforcing plate; 17. a buffer layer; 18. an anticorrosive layer; 19. and a waterproof layer.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in the attached drawings 1-5, the utility model provides a prefabricated box girder core mould with variable cross section, which comprises an upper mould 1 and a lower mould 2, wherein the lower mould 2 is arranged at the bottom of the upper mould 1, the left side of the upper mould 1 is provided with an upper left half mould 3, the right side of the upper mould 1 is provided with an upper right half mould 4, the upper left half mould 3 and the upper right half mould 4 are symmetrically distributed, the left side of the lower mould 2 is provided with a lower left half mould 5, the right side of the lower mould 2 is provided with a lower right half mould 6, the right side of the upper left half mould 3 is provided with a first connecting plate 7, the right side of the first connecting plate 7 is welded with a first connecting column 8, the first connecting column 8 is fixedly connected with the upper left half mould 3 and the lower left half mould 5 through screws, the left side of the upper right half mould 4 is provided with a second connecting plate 9, the left side of the second connecting plate 9 is welded with a second connecting column 10, the second connecting column 10 is fixedly connected with the upper half mould 4 and the lower right half mould 6 through screws, the joint of the upper left half mold 3 and the lower left half mold 5 is obliquely arranged, the joint of the upper right half mold 4 and the lower right half mold 6 is obliquely arranged, a gap 11 is formed at the top of the upper left half mold 3 and the top of the upper right half mold 4, a sealing block 12 is arranged in the gap 11, the sealing block 12 is matched with the gap 11, a supporting plate 13 is arranged at the bottom of the sealing block 12, two ends of the supporting plate 13 are detachably connected with the upper left half mold 3 and the upper right half mold 4 through screws respectively, the joint of the bottom ends of the lower left half mold 5 and the lower right half mold 6 is obliquely arranged, a plate body 14 is arranged on one side of the lower left half mold 5, and two ends of the plate body 14 are detachably connected with the bottom ends of the lower left half mold 5 and the lower right half mold 6 through screws respectively;
the outer sides of the upper die 1 and the lower die 2 are fixedly connected with buffer springs 15, and the number of the buffer springs 15 is multiple;
a reinforcing plate 16 is arranged on the outer side of the buffer spring 15, and the buffer spring 15 is fixedly connected with the reinforcing plate 16;
a buffer layer 17 is arranged on the outer side of the reinforcing plate 16, and the buffer layer 17 is fixedly connected with the reinforcing plate 16;
an anti-corrosion layer 18 is arranged on the outer side of the buffer layer 17, and the anti-corrosion layer 18 is made of polyurethane paint;
and a waterproof layer 19 is arranged on the outer side of the anticorrosive layer 18, and the waterproof layer 19 is a PE coating.
The implementation mode is specifically as follows: the method comprises the steps of connecting a lower left half mold 5 with a lower right half mold 6 through a plate body 14, then erecting the upper left half mold 3 and the upper right half mold 4, fixing the upper left half mold 3 with the lower left half mold 5 through a first connecting plate 7, fixing the upper right half mold 4 with the lower right half mold 6 through a second connecting plate 9, fixedly connecting the upper left half mold 3 with the upper right half mold 4 through a supporting plate 13, arranging a sealing block 12 in a notch 11 formed by the upper left half mold 3 and the upper right half mold 4 and supporting the sealing block on the supporting plate 13, firstly taking out the sealing block 12, disassembling the supporting plate 13, disassembling the first connecting plate 7 and the second connecting plate 9, then disassembling the upper left half mold 3 and the upper right half mold 4 and taking out, disassembling the plate body 14, and finally disassembling the lower left half mold 5 and the lower right half mold 6.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, when in use, a lower left half mould 5 is connected with a lower right half mould 6 through a plate body 14, an upper left half mould 3 is fixed with the lower left half mould 5 through a first connecting plate 7, an upper right half mould 4 is fixed with the lower right half mould 6 through a second connecting plate 9, the upper left half mould 3 is fixedly connected with the upper right half mould 4 through a supporting plate 13, a sealing block 12 is arranged in a gap 11 formed by the upper left half mould 3 and the upper right half mould 4 and is supported on the supporting plate 13, when in disassembly, the sealing block 12 is firstly taken out, the supporting plate 13 is disassembled, the first connecting plate 7 and the second connecting plate 9 are disassembled, then the upper left half mould 3 and the upper right half mould 4 are disassembled and are taken out, the plate body 14 is disassembled, and finally the lower left half mould 5 and the lower right half mould 6 are disassembled, so that a core mould at the end of a prefabricated box girder is conveniently taken out, a buffer spring 15 and a buffer layer 17 buffer the upper mould 1 and the lower mould 2, the service life is prolonged, the anti-corrosion layer 18 and the waterproof layer 19 are used for preventing corrosion and water of the upper die 1 and the lower die 2, and the upper die 1 and the lower die 2 are protected.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a prefabricated case roof beam mandrel of variable cross section, includes mould (1) and lower mould (2), lower mould (2) set up in last mould (1) bottom, it is equipped with left half mould (3) to go up mould (1) left side, it is equipped with right half mould (4) to go up mould (1) right side, it is symmetric distribution with last right half mould (4) to go up left half mould (3), lower mould (2) left side is equipped with down left half mould (5), lower mould (2) right side is equipped with down right half mould (6), its characterized in that, it is equipped with first connecting plate (7) to go up left half mould (3) right side, first connecting plate (7) right side welding has first spliced pole (8), first spliced pole (8) all pass through screw fixed connection with last left half mould (3) and lower left half mould (5), it is equipped with second connecting plate (9) to go up right half mould (4) left side, second connecting plate (9) left side welding has second spliced pole (10), second spliced pole (10) and last right half mould (4) and lower right half mould (6) all through screw fixed connection, it sets up with lower left half mould (5) junction slant to go up left half mould (3), it sets up with lower right half mould (6) junction slant to go up right half mould (4), it forms breach (11) with last right half mould (4) top to go up left half mould (3), breach (11) inside is equipped with sealed piece (12), sealed piece (12) and breach (11) phase-match, sealed piece (12) bottom is equipped with backup pad (13), backup pad (13) both ends can be dismantled through the screw with last left half mould (3) and last right half mould (4) respectively and be connected, the junction setting of lower left half mould (5) and lower right half mould (6) bottom, lower left half mould (5) one side is equipped with plate body (14), plate body (14) both ends pass through dismantling the screw with lower left half mould (5) and lower right half mould (6) bottom respectively And (4) connecting.
2. A precast box girder core mould with a variable cross section according to claim 1, wherein: go up mould (1) and lower mould (2) outside equal fixedly connected with buffer spring (15), buffer spring (15) quantity sets up to a plurality ofly.
3. A precast box girder core mould with a variable cross section according to claim 2, wherein: and a reinforcing plate (16) is arranged on the outer side of the buffer spring (15), and the buffer spring (15) is fixedly connected with the reinforcing plate (16).
4. A precast box girder core mould with a variable cross section according to claim 3, wherein: the outer side of the reinforcing plate (16) is provided with a buffer layer (17), and the buffer layer (17) is fixedly connected with the reinforcing plate (16).
5. A precast box girder core mould with a variable cross section according to claim 4, wherein: the buffer layer (17) outside is equipped with anticorrosive coating (18), anticorrosive coating (18) are polyurethane paint.
6. A precast box girder core mould with a variable cross section according to claim 5, wherein: and a waterproof layer (19) is arranged on the outer side of the anticorrosive layer (18), and the waterproof layer (19) is a PE coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336623.6U CN214490986U (en) | 2020-12-31 | 2020-12-31 | Prefabricated case roof beam mandrel of variable cross section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336623.6U CN214490986U (en) | 2020-12-31 | 2020-12-31 | Prefabricated case roof beam mandrel of variable cross section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214490986U true CN214490986U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023336623.6U Active CN214490986U (en) | 2020-12-31 | 2020-12-31 | Prefabricated case roof beam mandrel of variable cross section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214490986U (en) |
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2020
- 2020-12-31 CN CN202023336623.6U patent/CN214490986U/en active Active
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