CN212200086U - Anti device that floats of prefabricated case roof beam centre form - Google Patents
Anti device that floats of prefabricated case roof beam centre form Download PDFInfo
- Publication number
- CN212200086U CN212200086U CN202020508398.0U CN202020508398U CN212200086U CN 212200086 U CN212200086 U CN 212200086U CN 202020508398 U CN202020508398 U CN 202020508398U CN 212200086 U CN212200086 U CN 212200086U
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- threaded rod
- centre form
- fixing plate
- box girder
- fixed mounting
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a prefabricated technical field of case roof beam discloses an anti device that floats of prefabricated case roof beam centre form, including external mold and centre form, the interior intracavity of external mold is arranged in to the centre form, the front end upside fixed mounting of external mold has first threaded rod, the front end downside fixed mounting of external mold has the second threaded rod, the front end upside fixed mounting of centre form has first fixed axle, the front end downside fixed mounting of centre form has the second fixed axle, the outside fixed mounting of first fixed axle has first fixed plate. The utility model discloses an in the through-hole was arranged in respectively to first threaded rod and second threaded rod, then through removing the position that changes the centre form in the outer mould in first threaded rod and second threaded rod in the through-hole, when removing suitable position, through screwing up the nut to can fix the centre form in the outer mould intracavity, thereby can solve the problem of centre form come-up in the precast box girder behind the concrete placement, comparatively practical is fit for extensively promoting and using.
Description
Technical Field
The utility model relates to a prefabricated technical field of case roof beam specifically is an anti device that floats of prefabricated case roof beam centre form.
Background
The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-place box girder. The box girder prefabricated in the independent site can be erected after the lower project is finished by combining the bridge girder erection machine, so that 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. The common materials are divided into two types, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and transverse prestress is also arranged in some cases besides longitudinal prestress; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and a partially reinforced concrete pavement layer.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: in the box girder prefabricating process, a core mould (namely an inner mould) is difficult to fix, after concrete is poured, because the self weight of the core mould is far smaller than the buoyancy generated by the concrete pouring, the core mould floats upwards and causes upward jacking force to the prefabricated top plate steel bar of the box girder, so that the quality problems of deformation of the top plate steel bar of the small box girder, thinning of the top plate and the like are solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an anti device that floats of prefabricated case roof beam centre form has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-floating device for an internal mold of a prefabricated box girder comprises an external mold and an internal mold;
the utility model discloses an inner chamber, including centre form, first threaded rod, first fixed axle, first threaded rod and second threaded rod, the inner chamber of outer mold is arranged in to the centre form, the front end upper side fixed mounting of outer mold has first threaded rod, the front end downside fixed mounting of outer mold has the second threaded rod, the outside fixed mounting of second fixed axle has the second fixed axle, the through-hole has all been seted up on first fixed plate and the second fixed plate, in the through-hole was arranged respectively in to first threaded rod and second threaded rod, equal screwed connection has the nut on first threaded rod and the second threaded rod.
As a preferred embodiment of the present invention, the surface of the first fixing plate and the surface of the second fixing plate are both marked with scale marks.
As a preferred embodiment of the present invention, the lower side of the nut is provided with a gasket.
As a preferred embodiment of the present invention, the first fixing plate and the second fixing plate are made of steel.
As a preferred embodiment of the present invention, the outer side of the nut, the first threaded rod and the second threaded rod is all sleeved with a rubber sleeve.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model relates to an anti device that floats of prefabricated box girder centre form is arranged in the through-hole respectively through first threaded rod and second threaded rod, then through removing the position that changes the centre form in the outer mould in the through-hole at first threaded rod and second threaded rod, when removing suitable position, through screwing up the nut to can fix the centre form in the inner chamber of outer mould, thereby can solve the problem of centre form come-up in the prefabricated box girder after concrete placement.
2. The utility model relates to an anti device that floats of prefabricated case roof beam centre form can effectual increase the fastness of fixed first fixed plate of nut and second fixed plate through setting up of gasket.
3. The utility model relates to an anti device that floats of prefabricated case roof beam centre form is constituteed by the steel material through first fixed plate 7 and second fixed plate 13 and can effectual increase first fixed plate 7 and second fixed plate 13 hardness, increases life.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front view of the anti-floating device of the inner mold of the precast box girder of the present invention;
fig. 2 is the utility model relates to an anti side view that floats of precast box girder centre form device.
In the figure: 1. an outer mold; 2. an inner mold; 3. a first fixed shaft; 4. a first threaded rod; 5. a nut; 6. a through hole; 7. a first fixing plate; 8. scale lines; 9. a second threaded rod; 10. a second fixed shaft; 11. a rubber sleeve; 12. a gasket; 13. and a second fixing plate.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 being 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.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.
Referring to fig. 1-2, the present invention provides a technical solution: an anti-floating device for an internal mold of a prefabricated box girder comprises an external mold 1 and an internal mold 2;
the inner cavity of the outer die 1 is arranged in the inner die 2, a first threaded rod 4 is fixedly arranged on the upper side of the front end of the outer die 1, a second threaded rod 9 is fixedly arranged on the lower side of the front end of the outer die 1, a first fixing shaft 3 is fixedly arranged on the upper side of the front end of the inner die 2, a second fixing shaft 10 is fixedly arranged on the lower side of the front end of the inner die 2, a first fixing plate 7 is fixedly arranged on the outer side of the first fixing shaft 3, a second fixing plate 13 is fixedly arranged on the outer side of the second fixing shaft 10, through holes 6 are respectively formed in the first fixing plate 7 and the second fixing plate 13, the first threaded rod 4 and the second threaded rod 9 are respectively arranged in the through holes 6, nuts 5 are spirally connected on the first threaded rod 4 and the second threaded rod 9, the through holes 6 are respectively arranged in the first threaded rod 4 and the second threaded rod 9, and then the position of the inner die 2 in the outer die 1 is changed by moving the, when the box girder is moved to a proper position, the nut 5 is screwed, so that the inner die 2 can be fixed in the inner cavity of the outer die 1, and the problem that the inner die floats upwards in the prefabricated box girder after concrete pouring can be solved.
In this embodiment (as shown in fig. 1), the surface of each of the first fixing plate 7 and the second fixing plate 13 is marked with a scale mark 8, and the specific position of the inner mold 2 in the inner cavity of the outer mold 1 can be accurately adjusted by setting the scale mark 8, so as to increase the manufacturing accuracy.
In this embodiment (see fig. 2), a gasket 12 is disposed on a lower side of the nut 5, and the firmness of fixing the first fixing plate 7 and the second fixing plate 13 by the nut 5 can be effectively increased by the gasket 12.
In this embodiment (see fig. 1), the first fixing plate 7 and the second fixing plate 13 are both made of steel, and the first fixing plate 7 and the second fixing plate 13 are both made of steel, so that the hardness of the first fixing plate 7 and the second fixing plate 13 can be effectively increased, and the service life of the fixing device can be prolonged.
In this embodiment (please refer to fig. 2), the rubber sleeves 11 are respectively sleeved on the outer sides of the nut 5, the first threaded rod 4 and the second threaded rod 9, and the nut 5, the first threaded rod 4 and the second threaded rod 9 can be effectively protected by the rubber sleeves 11, so that the service lives of the nut 5, the first threaded rod 4 and the second threaded rod 9 are prolonged.
It should be noted that the utility model relates to an anti-floating device of prefabricated box girder inner mold, including outer mold 1, inner mold 2, first fixed axle 3, first threaded rod 4, nut 5, through-hole 6, first fixed plate 7, scale mark 8, second threaded rod 9, second fixed axle 10, rubber sleeve 11, gasket 12, second fixed plate 13, the part is the general standard component or the part that technical personnel in this field know, its structure and principle all are that this technical personnel can learn through the technical manual or through conventional experimental method, in operation, place in through-hole 6 respectively through first threaded rod 4 and second threaded rod 9, then change the position of inner mold 2 in outer mold 1 through moving in through-hole 6 through first threaded rod 4 and second threaded rod 9, when moving to suitable position, through screwing up nut 5, thereby can fix inner mold 2 in outer mold 1 inner cavity, thereby the problem of centre form come-up in the precast box girder after concrete placement can be solved, adjustment centre form 2 that can be accurate through setting up of scale mark 8 is in the concrete position of 1 intracavity of external mold, increase the accuracy of preparation, setting up through gasket 12 can effectual fixed first fixed plate 7 of increase nut 5 and the fastness of second fixed plate 13, constitute by the steel material through first fixed plate 7 and second fixed plate 13 and can effectual first fixed plate 7 and the 13 hardness of second fixed plate of increase, increase life, can effectually protect nut 5 through setting up of rubber sleeve 11, first threaded rod 4 and second threaded rod 9, thereby extension nut 5, the life of first threaded rod 4 and second threaded rod 9.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An anti-floating device for an internal mold of a prefabricated box girder is characterized by comprising an external mold (1) and an internal mold (2);
the inner die (2) is arranged in the inner cavity of the outer die (1), a first threaded rod (4) is fixedly arranged on the upper side of the front end of the outer die (1), a second threaded rod (9) is fixedly arranged on the lower side of the front end of the outer die (1), a first fixed shaft (3) is fixedly arranged on the upper side of the front end of the inner die (2), a second fixed shaft (10) is fixedly arranged at the lower side of the front end of the inner die (2), a first fixing plate (7) is fixedly arranged at the outer side of the first fixing shaft (3), a second fixing plate (13) is fixedly arranged at the outer side of the second fixing shaft (10), the first fixing plate (7) and the second fixing plate (13) are both provided with through holes (6), the first threaded rod (4) and the second threaded rod (9) are respectively arranged in the through hole (6), and nuts (5) are spirally connected to the first threaded rod (4) and the second threaded rod (9).
2. The precast box girder inner mold anti-floating device according to claim 1, characterized in that: the surfaces of the first fixing plate (7) and the second fixing plate (13) are both provided with scale marks (8).
3. The precast box girder inner mold anti-floating device according to claim 1, characterized in that: and a gasket (12) is arranged on the lower side of the nut (5).
4. The precast box girder inner mold anti-floating device according to claim 1, characterized in that: the first fixing plate (7) and the second fixing plate (13) are both made of steel materials.
5. The precast box girder inner mold anti-floating device according to claim 1, characterized in that: the outer sides of the nut (5), the first threaded rod (4) and the second threaded rod (9) are all sleeved with rubber sleeves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020508398.0U CN212200086U (en) | 2020-04-09 | 2020-04-09 | Anti device that floats of prefabricated case roof beam centre form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020508398.0U CN212200086U (en) | 2020-04-09 | 2020-04-09 | Anti device that floats of prefabricated case roof beam centre form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212200086U true CN212200086U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020508398.0U Active CN212200086U (en) | 2020-04-09 | 2020-04-09 | Anti device that floats of prefabricated case roof beam centre form |
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| Country | Link |
|---|---|
| CN (1) | CN212200086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592801A (en) * | 2022-10-17 | 2023-01-13 | 广东预立预制构件有限公司（Cn） | Pouring structure of precast concrete wall with door and window structure and pouring method thereof |
-
2020
- 2020-04-09 CN CN202020508398.0U patent/CN212200086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592801A (en) * | 2022-10-17 | 2023-01-13 | 广东预立预制构件有限公司（Cn） | Pouring structure of precast concrete wall with door and window structure and pouring method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.188, Section 2, East Third Ring Road, Tianpeng Town, Pengzhou City, Chengdu City, Sichuan Province Patentee after: Chengdu Tianwei Hengchuang Intelligent Technology Co.,Ltd. Country or region after: China Address before: No.188, Section 2, East Third Ring Road, Tianpeng Town, Pengzhou City, Chengdu City, Sichuan Province Patentee before: Chengdu Tianwei template Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |