CN212129882U - Prefabricated construction outrigger drawknot structure - Google Patents
Prefabricated construction outrigger drawknot structure Download PDFInfo
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- CN212129882U CN212129882U CN201921924319.8U CN201921924319U CN212129882U CN 212129882 U CN212129882 U CN 212129882U CN 201921924319 U CN201921924319 U CN 201921924319U CN 212129882 U CN212129882 U CN 212129882U
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Abstract
The utility model provides a prefabricated construction outrigger drawknot structure belongs to building construction technical field, and conventional steel pipe pre-buried roof beam, board drawknot can't pass through the difficult construction problem of prefabricated outer wall among the aim at solution prefabricated construction. The embedded part embedding end is embedded in a cast-in-place platform board, the cast-in-place platform board is used for connecting adjacent prefabricated outer wall structures, the free end of the embedded part is fixedly connected with the cross rod, the other end of the cross rod is fixedly connected with the inner vertical rod of the outer scaffold, and therefore the cross rod abuts against the cast-in-place platform board structure and prevents the outer scaffold from toppling towards the side of the prefabricated outer wall structure. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements. Through the setting that adopts the built-in fitting, when carrying out cast-in-place platform board's construction, avoided conventional even wall spare to demolish work, guaranteed the support body stability of outer scaffold frame.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to prefabricated construction outrigger drawknot structure.
Background
The traditional construction industry cannot develop sustainably in a extensive mode at the expense of high investment, high consumption and high pollution. In recent years, as the housing industrialization is vigorously popularized by the country, the assembly type building is rapidly developed.
In conventional engineering, the external scaffold wall connecting piece is mainly directly embedded in a beam or a slab by using a short steel pipe, and then connected with a frame body and the embedded steel pipe by using a steel pipe fastener. If the outer wall adopts the prefabricated construction, even the wall spare can't pass through prefabricated outer wall and be connected with the structure formation, influences the support body stable.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information is prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated construction outrigger drawknot structure and construction method can solve the construction difficult point that conventional steel pipe embedded beam, board drawknot can't pass through prefabricated outer wall among the prefabricated construction, and outrigger is wall spare even setting, can guarantee support body and building major structure's effective connection. The method has the advantages of simple process, convenient operation and lower cost, and is particularly suitable for the arrangement of the external scaffold wall connecting piece in the construction stage of the prefabricated peripheral retaining wall type assembled structure main body.
In order to realize the purpose, the technical scheme of the utility model is that:
a prefabricated structure outrigger drawknot structure comprising:
the embedded end of the embedded part is connected with the steel bar of the cast-in-place platform plate and is cast with the cast-in-place platform plate into a whole, and the cast-in-place platform plate is used for connecting adjacent prefabricated outer wall structures;
one end of the cross rod is fixedly connected with the free end of the embedded part, and the other end of the cross rod is fixedly connected with the outer scaffold.
Compared with the prior art, the utility model discloses profitable technological effect lies in:
1. the utility model provides a prefabricated construction outrigger drawknot structure, it includes built-in fitting and horizontal pole, and wherein the built-in fitting buries the end underground in cast-in-place landing slab, and cast-in-place landing slab is used for connecting adjacent prefabricated outer wall structure, the free end and the horizontal pole fixed connection of built-in fitting, pole setting fixed connection in the horizontal pole other end and the outer scaffold frame to the horizontal pole supports cast-in-place landing slab structure, prevents that the outer scaffold frame from toppling over to prefabricated outer wall structure side. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements.
2. The utility model provides a construction method of prefabricated construction outrigger drawknot structure carries out adjacent prefabricated outer wall structural connection construction, when carrying out cast-in-place platform board construction promptly, has avoided removing work in a large number to ordinary steel pipe even wall spare, has guaranteed outer scaffold's support body stability, and is easy and simple to handle, saves time, laborsaving, can ensure construction quality, has better spreading value.
Furthermore, in order to obtain materials conveniently and save cost, the embedded part is an L-shaped flat iron, the long edge of the L-shaped flat iron is fixedly connected with the cross rod, and the short edge of the L-shaped flat iron is fixedly connected with the steel bar of the cast-in-place platform plate.
Further, in order to improve the connection convenience, the ends of the long side and the short side of the L-shaped flat iron are provided with reserved holes.
Further, for repeated turnover use, improve the efficiency of construction simultaneously, the horizontal pole with L type band iron bolted connection, the bolt passes preformed hole and the horizontal pole and the locking of the long limit tip of L type band iron respectively, accomplishes being connected on horizontal pole and the long limit of L type band iron.
Further, as the alternative connection mode of bolted connection, the cross rod is connected with the L-shaped flat iron pin shaft, and the bolt passes through the preformed hole at the end part of the long edge of the L-shaped flat iron and the cross rod respectively and is locked to complete the connection of the cross rod and the long edge of the L-shaped flat iron.
Furthermore, in order to enhance the connection firmness of the L-shaped flat iron and the cast-in-place platform plate, the opening of the L-shaped flat iron is placed downwards, and the bottom steel bars of the cast-in-place platform plate penetrate through the reserved holes at the end parts of the short sides of the L-shaped flat iron to be connected and fixed.
Drawings
Fig. 1 is a schematic structural view of a drawknot structure of an external frame of a prefabricated structure in an embodiment of the present invention.
In the figure:
1-L type flat iron; 2-casting a platform plate in situ; 3-reinforcing steel bars; 4-prefabricating an outer wall structure; 5-a cross bar; 6-inner vertical rod of outer scaffold.
Detailed Description
The prefabricated structure outer frame drawknot structure provided by the invention is further described in detail with reference to the attached drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.
Example one
The structure composition of the prefabricated structure outer frame drawknot structure of the present invention is described in detail with reference to fig. 1.
A prefabricated structure outer frame drawknot structure comprises embedded parts and cross rods 5, wherein embedded ends of the embedded parts are connected with reinforcing steel bars 3 of a cast-in-place platform plate 2 and are integrally cast with the cast-in-place platform plate 2, and the cast-in-place platform plate 2 is used for connecting adjacent prefabricated outer wall structures 4; one end of the cross rod 5 is fixedly connected with the free end of the embedded part, and the other end of the cross rod 5 is fixedly connected with the outer scaffold.
Particularly, the prefabricated construction outrigger drawknot structure that this embodiment provided, it includes built-in fitting and horizontal pole 5, wherein the built-in fitting buries the end underground in cast-in-place landing slab 2, and with the 3 fixed connection of bottom reinforcing bar of cast-in-place landing slab 2, cast-in-place landing slab 2 is used for connecting adjacent prefabricated outer wall structure 4, the free end and the 5 fixed connection of horizontal pole of pre-buried 1 piece, the 6 fixed connection of pole setting in the 5 other ends of horizontal pole and the outer scaffold frame, thereby horizontal pole 5 supports cast-in-place landing slab 2 structures, prevent that the outer scaffold frame from toppling over to prefabricated outer wall structure. The drawknot structure solves the problem that the common steel pipe wall connecting piece collides with the prefabricated outer wall structure. Moreover, the step pitch and the span of the wall connecting piece can meet the design requirements. Through the setting that adopts the built-in fitting, when carrying out cast-in-place platform board 2's construction, need not to demolish even wall spare, guaranteed outer scaffold's support body stability, it is easy and simple to handle, save time, laborsaving.
In this embodiment, more preferably, in order to obtain convenient materials, save the cost, the built-in fitting is L type band iron, and L type band iron 1's long limit and horizontal pole 5 fixed connection, L type band iron 1's minor face and cast-in-place platform board 2's reinforcing bar 3 fixed connection.
In the present embodiment, it is more preferable that the L-shaped iron flats 1 are provided with a prepared hole at both the long and short side ends thereof in order to improve the convenience of connection.
In this embodiment, more preferably, in order to be used repeatedly and improve the construction efficiency, the cross bar 5 is connected with the L-shaped flat iron 1 by bolts, and the bolts respectively pass through the preformed holes at the end parts of the long sides of the L-shaped flat iron 1 and the cross bar 5 and are locked, so as to complete the connection of the cross bar 5 with the long sides of the L-shaped flat iron 1.
In this embodiment, more preferably, as an alternative connection mode of the bolt connection, the cross rod 5 is connected with the L-shaped flat iron 1 through a pin shaft, and the pins respectively penetrate through the preformed holes at the end parts of the long sides of the L-shaped flat iron 1 and the cross rod and are locked, so as to complete the connection of the cross rod and the long sides of the L-shaped flat iron 1.
In this embodiment, more preferably, in order to enhance the connection firmness of the L-shaped flat iron 1 and the cast-in-place slab 2, the L-shaped flat iron 1 is placed with its opening facing downward, and the bottom steel bar 3 of the cast-in-place slab 2 is fixed by passing through the reserved hole at the end of the short side of the L-shaped flat iron 1.
Please continue to refer to fig. 1, the present invention further provides a construction method of the prefabricated structure external frame drawknot structure, which includes the following steps:
step one, providing the prefabricated structure outer frame tie structure for standby, wherein the embedded part selects L-shaped flat irons 1 with openings at two ends;
step two, completing the hoisting of the prefabricated outer wall structure 4, binding bottom reinforcing steel bars 3 of the cast-in-place platform plate 2 on the hoisted prefabricated outer wall structure 4, meanwhile, placing the open end of the L-shaped flat iron 1 downwards, and enabling the reinforcing steel bars 3 to penetrate through a preformed hole at the end part of the short side of the L-shaped flat iron 1 to be connected and fixed;
and step three, carrying out concrete pouring construction on the cast-in-place platform plate 2, and respectively penetrating and locking bolts through the reserved holes in the long edges of the L-shaped flat iron 1 and the cross rod 5, so that the connection of the L-shaped flat iron 1 and the cross rod 5 is completed, and a drawknot structure is formed.
In this embodiment, it is more preferable that the cross bar 5 is fixedly connected to the inner vertical rod 6 of the outer scaffold, so that the cross bar 5 and the outer scaffold form a fixed connection, and the outer scaffold is prevented from toppling towards the direction of the prefabricated outer wall structure 4 by the action of the cross bar 5.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention in any way. Any changes and modifications of the above disclosure by those skilled in the art are within the scope of the appended claims.
Claims (4)
1. The utility model provides a prefabricated construction outrigger drawknot structure which characterized in that includes:
the embedded end of the embedded part is connected with the steel bar of the cast-in-place platform plate and is cast with the cast-in-place platform plate into a whole, and the cast-in-place platform plate is used for connecting adjacent prefabricated outer wall structures;
one end of the cross bar is fixedly connected with the free end of the embedded part, and the other end of the cross bar is fixedly connected with the outer scaffold;
the embedded part is an L-shaped flat iron, the long side of the L-shaped flat iron is fixedly connected with the cross rod, and the short side of the L-shaped flat iron is fixedly connected with the steel bar of the cast-in-place platform plate; the long edge and the short edge of the L-shaped flat iron are both provided with preformed holes.
2. The truss structure of the prefabricated structure outrigger of claim 1 wherein the cross bar is connected with the L-shaped band iron by bolts, and the bolts respectively pass through the preformed holes on the end of the long side of the L-shaped band iron and the cross bar and are locked to complete the connection of the cross bar with the long side of the L-shaped band iron.
3. The truss structure of the prefabricated structure outrigger of claim 1 wherein the cross bar is connected with the L-shaped band iron pin, and the pin is respectively passed through the preformed hole at the end of the long side of the L-shaped band iron and the cross bar and locked to complete the connection of the cross bar and the long side of the L-shaped band iron.
4. The precast structure outrigger drawknot structure of claim 1, wherein the L-shaped flat iron is placed with its opening downward, and the bottom steel bar of the cast-in-place platform slab is fixed by passing through the prepared hole at the end of the short side of the L-shaped flat iron.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921924319.8U CN212129882U (en) | 2019-11-06 | 2019-11-06 | Prefabricated construction outrigger drawknot structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921924319.8U CN212129882U (en) | 2019-11-06 | 2019-11-06 | Prefabricated construction outrigger drawknot structure |
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| CN212129882U true CN212129882U (en) | 2020-12-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821142A (en) * | 2019-11-06 | 2020-02-21 | 上海建工七建集团有限公司 | Prefabricated structure outer frame drawknot structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821142A (en) * | 2019-11-06 | 2020-02-21 | 上海建工七建集团有限公司 | Prefabricated structure outer frame drawknot structure and construction method |
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