CN212764016U - Prevent prefabricated case roof beam template of centre form come-up - Google Patents
Prevent prefabricated case roof beam template of centre form come-up Download PDFInfo
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- CN212764016U CN212764016U CN202020897841.8U CN202020897841U CN212764016U CN 212764016 U CN212764016 U CN 212764016U CN 202020897841 U CN202020897841 U CN 202020897841U CN 212764016 U CN212764016 U CN 212764016U
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- 230000005291 magnetic effect Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009415 formwork Methods 0.000 description 17
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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Abstract
The utility model provides a prefabricated box girder template for preventing an inner mold from floating upwards, which comprises a base, an outer mold, an inner mold and a cover plate, wherein the inner mold is arranged inside the outer mold; the base is movably connected with the inner mold through a cylinder; the edge of the cover plate is symmetrically provided with side eaves, the inner side of the cover plate is provided with a limiting column, the inner mold is connected with the limiting column, and the outer mold comprises a bottom mold and a side mold; and the top of the side mould is provided with a side wing; wherein, the bottom die is connected with the base; a bracket is arranged on the base, and the upper end of the bracket is connected with the lower part of the side wing; the edge of the side wing is fixedly connected with a side brim; and, the side eaves are connected with the support through the mounting for whole template device is more firm, and the existence of cylinder also makes the apron of connecting spacing post can carry out the spacing work of multi-angle to the centre form, effectively avoids the removal and the come-up of prefabricated box girder in the construction process of pouring, increases the stability of template work of pouring, improves the production quality of prefabricated box girder.
Description
Technical Field
The utility model relates to a case roof beam template technical field, more specifically relates to a prevent prefabricated case roof beam template of centre form come-up.
Background
The box girder is one of the middle girders in bridge engineering, the inner part is hollow, and the two sides of the upper part are provided with flanges, which are similar to boxes, thus obtaining the name of single box, multi-box and the like. The box girder of the concrete structure is divided into a prefabricated box girder and a cast-in-place box girder, the box girder prefabricated in an independent field can be erected after the lower project is finished by combining a bridge girder erection machine, the project progress can be accelerated, and the construction period can be saved; cast-in-place box girders are mostly used for large continuous bridges. Along with the improvement of the prefabrication level of bridge engineering, the production requirements of people on the prefabricated box girder are gradually increased.
In the prior art, the prefabricated box girder usually adopts the vibration work of a high-frequency vibrator to enable concrete to uniformly fill a cavity between formworks in the production process, but in the actual use process, the prefabricated box girder can move and float upwards while vibrating, deviates from the production standard size of the box girder, and reduces the production quality of the box girder.
Therefore, a precast box girder template capable of improving the accuracy of the precast box girder and preventing the inner mold from floating upward is needed.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a prevent prefabricated box girder template of centre form come-up to solve the vibration work that traditional prefabricated box girder template adopted high frequency vibrator and make the cavity between the template evenly filled with concrete, in the in-service use process, prefabricated box girder can produce in the vibration and remove and come-up, the production standard size of skew box girder reduces the production quality's of box girder problem.
The utility model provides a precast box girder template for preventing an inner mold from floating upwards, which is characterized by comprising a base, an outer mold, an inner mold and a cover plate, wherein,
the inner die is arranged inside the outer die;
the base is movably connected with the inner die through a cylinder; and,
the edge of the cover plate is symmetrically provided with side eaves;
a limiting column is arranged on the inner side of the cover plate, and the inner die is connected with the limiting column;
the outer die comprises a bottom die and a side die; and the top of the side mould is provided with a side wing; wherein,
the bottom die is connected with the base; a bracket is arranged on the base, and the upper end of the bracket is connected with the lower part of the side wing;
the edge of the side wing is fixedly connected with the side eaves; and the side eaves are connected with the bracket through fixing pieces.
In addition, the side eaves are preferably made of metal plates;
the side eaves are welded on the cover plate.
In addition, the side wing is preferably fixedly connected with the side edge through an inserting rod.
In addition, the preferable structure is that a limit hole is arranged on the side wing; a magnetic ring is arranged on the inserted link;
the inserted bar penetrates through the side eaves and is buckled with the limiting holes, and the magnetic ring is connected with the outer side of the side eaves in an adsorption mode.
In addition, the preferable structure is that an anti-skid seat is arranged below the limit column;
the limiting column is fixedly connected with the inner die through the anti-skidding seat.
In addition, the preferable structure is that the limit column comprises a straight column and an inclined column.
In addition, the preferable structure is that the straight column is connected with the upper part of the inner die;
the inclined column is connected with the side surface of the inner die.
In addition, the preferable structure is that the fixing piece adopts a screw rod and a nut;
the screw rod penetrates through the side eaves and penetrates through the support to be in threaded connection with the support.
In addition, the preferable structure is that a mounting plate is detachably connected to the bottom of the inner die;
the mounting plate is connected with the sleeve.
In addition, it is preferable that the piston of the cylinder is engaged with the sleeve through the bottom mold.
From the above description, the prefabricated box girder template for preventing the inner mold from floating upwards provided by the utility model comprises a base, an outer mold, an inner mold and a cover plate, wherein the edge of the cover plate is symmetrically provided with side eaves; the inner side of the cover plate is provided with a limiting column; the external mold comprises a bottom mold and a side mold; and the top of the side mould is provided with a side wing; the bottom die is connected with the base; a bracket is arranged on the base, and the upper end of the bracket is connected with the lower part of the side wing; the edge of the side wing is fixedly connected with a side brim; the side eaves are connected with the bracket through fixing pieces; the inner mold is arranged inside the outer mold; the base is movably connected with the inner mold through a cylinder; centre form is connected with spacing post, make the apron of spacing post to carry out the spacing work of multi-angle to the centre form, effectively avoid prefabricated box girder in the removal and the come-up of pouring the work in-process, increase the stability of work is pour to the template, improve the production quality of prefabricated box girder, and, the mode through setting up the mounting is to the external mold, support and apron carry out fixed connection, effectively improve the dismouting efficiency of template, reduce staff's intensity of labour, set up the magnetic ring to the inserted bar simultaneously and make the inserted bar remain connected state throughout, stability when improving the device uses, skew and come-up can not appear in the in-process is pour to the assurance centre form, improve the production quality of box girder.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.
In the drawings:
fig. 1 is a schematic structural view of a precast box girder template for preventing an inner mold from floating up according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a side wing and a side eave in a precast box girder template for preventing an inner mold from floating up according to an embodiment of the present invention;
wherein the reference numerals include: 1. the device comprises a base, 2, a support, 3, an outer die, 31, a bottom die, 32, a side die, 33, a side wing, 4, an insert rod, 41, a magnetic ring, 42, a limiting hole, 5, a cover plate, 51, a side edge, 6, a screw, 7, a limiting column, 71, a straight column, 72, an inclined column, 73, an anti-skidding seat, 8, an inner die, 81, an installation plate, 82, a sleeve, 9 and a cylinder;
the same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
The traditional precast box girder template adopts the vibration work of a high-frequency vibrator to enable concrete to uniformly fill a cavity between the templates, and in the actual use process, the precast box girder can move and float upwards while vibrating, deviates from the production standard size of the box girder, and reduces the production quality of the box girder.
To the above problem, the utility model provides a prevent prefabricated case roof beam template of centre form come-up, it is right below will combine the drawing the utility model discloses a specific embodiment carries out detailed description.
In order to illustrate the prefabricated box girder template for preventing the inner mold from floating up, the prefabricated box girder template structure for preventing the inner mold from floating up is exemplarily marked in fig. 1; fig. 2 shows an exemplary structure of a side wing and a side edge of the precast box girder template for preventing the inner die from floating upward.
The following description of the exemplary embodiment(s) is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
As shown in fig. 1, the prefabricated box girder formwork for preventing the inner formwork from floating up comprises a base 1, an outer formwork 3, an inner formwork 8 and a cover plate 5, wherein the inner formwork 8 is arranged inside the outer formwork 3, and the base 1 is movably connected with the inner formwork 8 through a cylinder 9; the outer mold 3 is disposed above the base 1, the cover plate is disposed above the outer mold 3 and the inner mold 8, wherein side eaves 51 are symmetrically disposed at the edge of the cover plate 5, the material of the side eaves 51 is not specifically limited, in this embodiment, a metal plate is employed, the connection manner between the side eaves and the cover plate 5 is not specifically limited, in this embodiment, the connection manner between the side eaves and the cover plate 5 is welding, and a limiting column 7 is disposed inside the cover plate 51; this spacing post 7 is used for spacing 8 in order to prevent that centre form 8 skew and come-up appear pouring the in-process of prefabricated box girder to the centre form.
As shown in fig. 1, the external mold 3 of the prefabricated box girder formwork for preventing the internal mold from floating up includes a bottom mold 31 and a side mold 32; and, the side die 32 is provided with a side wing 33 at the top, it should be noted that the side wing 33 is only indicated in shape, the side wing 33 may be a coherent structure integrated with the side die 32, or may be a separate structure provided or connected to the side die 32, generally, the side wing 33 is integrated with the side die 32, or the side wing 33 is a part of the side die 32, which is different only in shape, and is not limited in particular, the side die 32 is used for molding the shape of the prefabricated box girder, and the presence of the side wing 33 facilitates the fixation of the whole outer die 3 and the cover plate 5.
As shown in fig. 1, in the prefabricated box girder formwork for preventing the inner formwork from floating up, the bottom formwork 31 is connected with the base 1; the base 1 is provided with a bracket 2, the upper end of the bracket 2 is connected with the lower part of the flank 33, namely, the upper end of the bracket 2 is fixedly connected with the flank 33, the lower end of the bracket 2 is connected with the base 1, the mode of connecting the upper end of the bracket 2 with the flank 33 is not limited in particular, and welding is adopted in the embodiment; the edge of the side wing 33 is fixedly connected with the side eaves 51; and the side eaves 51 are connected with the bracket 2 through fixing pieces, namely the side eaves 51 are not only fixed with the side wings 33 on the outer die 3, but also fixed with the bracket 2, so that the cover plate 5 is more stably connected with the outer die 3 and the bracket 2 through the side eaves 51, the stability of the whole formwork is improved, and the precast box girder can be conveniently poured.
As shown in fig. 1 and fig. 2, the fixing manner of the side wing 33 and the side edge 51 of the precast box girder formwork for preventing the inner formwork from floating up according to the present invention is not particularly limited, in this embodiment, the side wing 33 is fixedly connected with the side edge 51 through the inserting rod 4, and specifically, the side wing 33 is provided with the transverse limiting hole 42; a magnetic ring 41 is arranged on the inserted rod 4; this inserted bar 4 runs through this eaves 51 and this spacing hole 42 lock mutually, and this magnetic ring 41 adsorbs with this eaves 51 outside and is connected, because the eaves 51 is the metal material, or ferromagnetism material, so inserted bar 4 passes through magnetic ring 41 and the cooperation of eaves 51 is connected for inserted bar 4 remains the connection status throughout, improves the stability when the template uses, guarantees that skew and come-up can not appear in the centre form 8 pouring in-process.
As shown in fig. 1 and fig. 2 together, the utility model discloses a prevent precast box girder template of centre form come-up, the concrete mode that should incline eaves 51 and be connected with this support 2 through the mounting does not do specifically to limit, in this embodiment, this mounting adopts screw rod 6 and nut (not marked in the figure), this screw rod 6 runs through this eaves 51 to pass this support 2 and this support threaded connection, as shown in fig. 1, be equipped with the screw hole on the support 2, screw rod 6 passes the screw hole of inclining eaves 51 and support 2 and carries out threaded connection, screw rod 6 is through spacing nut and the stability that incline eaves 51 fixed connection in order to improve whole template device and connect.
In the embodiment shown in fig. 1, the inner mold 8 is disposed inside the outer mold 3, the base 1 is movably connected to the inner mold 8 through the cylinder 9, the specific connection manner is not limited specifically, in this embodiment, the bottom of the inner mold 8 is detachably connected to the mounting plate 81, the mounting plate 81 is connected to the sleeve 82, the piston of the cylinder 9 passes through the bottom mold 31 and is buckled with the sleeve 82, so that the inner mold 8 is pressed against the limiting column 7 through the cylinder 9 to stably cooperate with the inner mold 8, and the stability of the template in the using process is improved.
In the embodiment shown in fig. 1, the upper side of the inner mold 8 is connected to the limiting column 7, the limiting column 7 includes a straight column 71 and an inclined column 72, in this embodiment, the straight column 71 is connected to the upper side of the inner mold 8, and the inclined column 72 is connected to the side surface of the inner mold 8, so that the inner mold 8 is pressed by the cylinder 9 to stably match the inner mold 8 with the limiting column 7, thereby improving the stability of the template in the using process.
When the prefabricated box girder template for preventing the inner mold from floating upwards is used, a worker connects the mounting plate 81 with the bottom of the inner mold 8 through bolts, connects the inner mold 8 with the piston rod of the cylinder 9 through the sleeve 82 of the mounting plate 81 in a sliding manner, matches the cover plate 5 with the outer mold 3 through hoisting until the cover plate 5 is stably connected with the outer mold 3, the limiting column 7 is positioned right above the inner mold 8 at the moment, the side eaves 51 are in a sliding connection with the side wings 33 of the outer mold 3, the inserted bar 4 passes through the side eaves 51 to be connected with the limiting holes 42, the magnetic ring 41 and the ferromagnetic side eaves 51 are magnetically attracted, so that the inserted bar 4 is always kept in a connection state, the screw 6 passes through the side eaves 51 to be in a threaded connection with the bracket 2, the screw 6 is fixed with the side eaves 51 through the limiting nut, the air source of the cylinder 9 is communicated, the piston rod drives the inner mold, at this moment, the straight column 71 and the inclined column 72 of the limiting column 7 are stably connected through the anti-skidding seat 73 and the edge of the inner die 8, so that the inner die is prevented from moving and floating in the working process, the installation work of the template is completed, the subsequent concrete pouring work is carried out, and the accuracy of the precast box girder is improved.
Above-mentioned whole installation, the simple easy operation of use, the utility model discloses a prevent that prefabricated case roof beam template of centre form come-up has solved traditional prefabricated case roof beam template and has adopted the vibration work of high frequency vibrator to make the cavity between the template of evenly filling of concrete, in the in-service use process, prefabricated case roof beam can produce in the vibration and remove and come-up, the production standard size of skew case roof beam, reduce the production quality's of case roof beam problem, the template stability has been improved, prevent that removal and come-up from appearing in the centre form at the concrete placement in-process, improve the quality of prefabricated case roof beam.
The precast box girder template preventing the inner mold from floating up according to the present invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various improvements can be made to the above-mentioned precast box girder formwork for preventing the inner formwork from floating up without departing from the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A precast box girder template for preventing an inner mold from floating upwards comprises a base, an outer mold, an inner mold and a cover plate, and is characterized in that,
the inner die is arranged inside the outer die;
the base is movably connected with the inner die through a cylinder; and,
the edge of the cover plate is symmetrically provided with side eaves;
a limiting column is arranged on the inner side of the cover plate, and the inner die is connected with the limiting column;
the outer die comprises a bottom die and a side die; and the top of the side mould is provided with a side wing; wherein,
the bottom die is connected with the base; a bracket is arranged on the base, and the upper end of the bracket is connected with the lower part of the side wing;
the edge of the side wing is fixedly connected with the side eaves; and the side eaves are connected with the bracket through fixing pieces.
2. The precast box girder template for preventing the inner mold from floating up according to claim 1,
the side eaves are made of metal plates;
the side eaves are welded on the cover plate.
3. The precast box girder template for preventing the inner mold from floating up according to claim 2,
the side wings are fixedly connected with the side eaves through inserted bars.
4. The precast box girder template for preventing the inner mold from floating up according to claim 3,
a limiting hole is formed in the side wing; a magnetic ring is arranged on the inserted link;
the inserted bar penetrates through the side eaves and is buckled with the limiting holes, and the magnetic ring is connected with the outer side of the side eaves in an adsorption mode.
5. The precast box girder template for preventing the inner mold from floating up according to claim 1,
an anti-slip seat is arranged below the limiting column;
the limiting column is fixedly connected with the inner die through the anti-skidding seat.
6. The precast box girder template for preventing the inner mold from floating up according to claim 5, wherein,
the limiting column comprises a straight column and an inclined column.
7. The precast box girder template for preventing the inner mold from floating up according to claim 6,
the straight column is connected with the right upper part of the inner mold;
the inclined column is connected with the side surface of the inner die.
8. The precast box girder template for preventing the inner mold from floating up according to claim 1,
the fixing piece adopts a screw and a nut;
the screw rod penetrates through the side eaves and penetrates through the support to be in threaded connection with the support.
9. The precast box girder template for preventing the inner mold from floating up according to claim 1,
the bottom of the inner die is detachably connected with a mounting plate;
the mounting plate is connected with the sleeve.
10. The precast box girder template for preventing the inner mold from floating up according to claim 9,
and the piston of the cylinder penetrates through the bottom die and is buckled with the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020897841.8U CN212764016U (en) | 2020-05-25 | 2020-05-25 | Prevent prefabricated case roof beam template of centre form come-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020897841.8U CN212764016U (en) | 2020-05-25 | 2020-05-25 | Prevent prefabricated case roof beam template of centre form come-up |
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| CN212764016U true CN212764016U (en) | 2021-03-23 |
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| CN202020897841.8U Active CN212764016U (en) | 2020-05-25 | 2020-05-25 | Prevent prefabricated case roof beam template of centre form come-up |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117418477A (en) * | 2023-12-18 | 2024-01-19 | 中交一航局第三工程有限公司 | Fish-bellied box girder anti-floating reinforcement template system and installation and construction method thereof |
-
2020
- 2020-05-25 CN CN202020897841.8U patent/CN212764016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117418477A (en) * | 2023-12-18 | 2024-01-19 | 中交一航局第三工程有限公司 | Fish-bellied box girder anti-floating reinforcement template system and installation and construction method thereof |
| CN117418477B (en) * | 2023-12-18 | 2024-03-29 | 中交一航局第三工程有限公司 | Fish-bellied box girder anti-floating reinforcement template system and installation and construction method thereof |
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