CN219118756U - Temporary drawknot device for cantilever structure - Google Patents
Temporary drawknot device for cantilever structure Download PDFInfo
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- CN219118756U CN219118756U CN202223203437.4U CN202223203437U CN219118756U CN 219118756 U CN219118756 U CN 219118756U CN 202223203437 U CN202223203437 U CN 202223203437U CN 219118756 U CN219118756 U CN 219118756U
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Abstract
The utility model provides a temporary drawknot device of an overhanging structure, which is used for drawknot a overhanging plate and an upper building structure beam, and comprises a plurality of drawknot structures which are arranged at intervals, wherein the drawknot structures are obliquely arranged and comprise an upper fixing assembly, a connecting assembly and a lower fixing assembly; the upper fixing component comprises a pull ring penetrating through the upper building structure beam and a fastener arranged on the pull ring and used for fixing the pull ring on the upper building structure beam; the lower fixing assembly comprises an anchor ring fixed on the cantilever plate; the connecting assembly comprises a plurality of basket screws which are connected sequentially through connecting pieces, and two basket screws positioned at two ends of the connecting assembly are respectively connected with the pull ring and the anchor ring. The utility model can ensure the quality of the cantilever plate structure and avoid the safety problem generated when the frame body is dismounted in the later stage.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a temporary drawknot device for an overhanging structure.
Background
The existing overhanging structure construction mainly depends on retaining a formwork support body below a floor slab to carry out back-jacking, generally, the formwork removing time is reached, a formwork and a support of a non-overhanging part are removed firstly, and then the formwork support of the overhanging part is reserved. The construction progress on site is 7 days on average and pours one deck, and template and support frame body according to the standard requirement overhanging structure need intensity reach 100% just can demolish, consequently all need remain from the face of last pouring to 21d age board's board bottom template support body.
According to different building projects, the outer protection also adopts different forms, adopts the project of the outer scaffold of full-elevation steel pipe, because the existence of outer protection when dismantling the template support of overhanging position in the later stage, the safety obtains very big guarantee, if the project of attached lift scaffold is adopted, the risk that can exist the operation of facing the limit when dismantling the template support body of overhanging position in the later stage, demolish the danger very big, if the support body remains until peripheral protection structure is accomplished demolishs again, the cost of construction then can greatly increased.
Therefore, how to ensure the quality of the cantilever plate structure and avoid the safety problem generated when the frame body is dismounted in the later stage becomes a problem to be solved by the building engineering technicians.
Disclosure of Invention
The utility model aims to provide a temporary drawknot device for an overhanging structure, which can ensure the quality of the overhanging structure and avoid the safety problem generated when a frame body is dismounted in a later period.
The utility model is realized by the following technical scheme:
the temporary drawknot device of the cantilever structure is used for drawknot of the cantilever plate and the upper building structure beam and comprises a plurality of drawknot structures which are arranged at intervals, wherein the drawknot structures are obliquely arranged and comprise an upper fixing assembly, a connecting assembly and a lower fixing assembly;
the upper fixing component comprises a pull ring penetrating through the upper building structure beam and a fastener arranged on the pull ring and used for fixing the pull ring on the upper building structure beam;
the lower fixing assembly comprises an anchor ring fixed on the cantilever plate;
the connecting assembly comprises a plurality of basket screws which are connected sequentially through connecting pieces, and two basket screws positioned at two ends of the connecting assembly are respectively connected with the pull ring and the anchor ring.
Further, the pull ring is of a U-shaped structure and comprises two parallel straight rods and an arc-shaped rod integrally connected between the two straight rods, the fastener comprises nuts in threaded connection with the straight rods, the number of the nuts on each straight rod is at least two, and the nuts are respectively contacted with two sides of the superstructure structural beam.
Further, the number of the nuts on each straight rod is four and is divided into two groups, and the two groups of nuts are respectively positioned on two sides of the superstructure structural beam.
Further, the upper fixing assembly further comprises two steel plates, the two steel plates are arranged on two sides of the upper building structure beam, and the pull ring sequentially penetrates through one steel plate, the upper building structure beam and the other steel plate and then is fixed on the upper building structure beam through a fastener.
Further, the connecting piece comprises a connecting rod and two circular rings, and the two circular rings are respectively fixed at two ends of the connecting rod.
Further, the anchor ring comprises a U-shaped rod and two horizontal rods which are respectively and vertically arranged at two ends of the U-shaped rod.
Further, the number of the basket screws is three.
Compared with the prior art, the utility model has the beneficial effects that: the stretching force is provided for the cantilever structure through the stretching structure, so that the frame body below the cantilever plate can be removed in advance when the strength of the cantilever plate is not 100%, the number of layers of the cantilever plate, which is required to be lifted, is reduced, the turnover rate of templates, steel pipe materials and the like is increased, the turnover efficiency is greatly increased, the manual loss is reduced, and the construction cost is further reduced; meanwhile, the risk of later edge working is avoided, and the engineering safety is provided; and provide a drawknot power to the structure of encorbelmenting through drawknot structure, greatly reduced when encorbelmenting board intensity and just demolish the risk of floor fracture when the template not reaching 100%, can guarantee the quality of encorbelmenting board structure.
Drawings
FIG. 1 is a schematic diagram of a temporary drawknot apparatus of an overhanging structure according to the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of the structure of the pull ring in the temporary tie device of the cantilever structure of the present utility model;
FIG. 4 is a schematic view of the structure of the anchor ring in the temporary drawknot apparatus of the cantilever structure of the present utility model;
fig. 5 is a partial schematic view of a connector in the temporary drawknot apparatus of the cantilever structure of the present utility model.
In the figure, 1-upper fixing components, 11-pull rings, 111-straight rods, 112-arc-shaped rods, 12-fasteners, 13-steel plates, 2-connecting components, 21-basket screws, 22-connecting components, 221-connecting rods, 222-circular rings, 3-lower fixing components, 31-anchor rings, 331-U-shaped rods, 332-horizontal rods, 4-cantilever plates and 5-upper building structural beams.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present utility model, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a temporary tie device with an overhanging structure according to the present utility model, and fig. 2 is an enlarged schematic diagram of a portion a in fig. 1. The temporary drawknot device of the cantilever structure is used for drawknot of the cantilever plate 4 and the upper building structural beam 5 and comprises a plurality of drawknot structures which are arranged at intervals, wherein the drawknot structures are obliquely arranged and comprise an upper fixing assembly 1, a connecting assembly 2 and a lower fixing assembly 3; the upper fixing assembly 1 comprises a pull ring 11 penetrating through the superstructure girder 5 and a fastener 12 arranged on the pull ring 11 for fixing the pull ring 11 on the superstructure girder 5; the lower fixing assembly 3 comprises an anchor ring 31 fixed on the cantilever plate 4; the connecting component 2 comprises a plurality of basket screws 21 which are connected sequentially through connecting pieces 22, and two basket screws 21 positioned at two ends of the connecting component 2 are respectively connected with the pull ring 11 and the anchor ring 31.
Referring to fig. 3 in combination, fig. 3 is a schematic structural view of a pull ring in the temporary tying device with cantilever structure according to the present utility model. In one embodiment, the pull ring 11 has a U-shaped structure, and includes two parallel straight bars 111 and an arc bar 112 integrally connected between the two straight bars 111, the fastener 12 includes nuts screwed with the straight bars 111, and the number of nuts on each straight bar 111 is at least two and contacts with two sides of the superstructure girder 5 respectively. When the pull ring 11 is used, the pull ring 11 is arranged on the superstructure girder 5 in a penetrating way through the two straight rods 111, and then the nuts on the straight rods 111 are screwed to enable the nuts to be abutted with the superstructure girder 5, so that the pull ring 11 is fixed on the superstructure girder 5. The arcuate lever 112 of the pull ring 11 is adapted to be connected to a basket screw 21 at one end of the attachment assembly 2.
In one embodiment, the number of nuts on each straight bar 111 is four and divided into two groups, two groups of nuts being located on each side of the superstructure beam 5. Each side of the superstructure girder 5 is provided with double nuts, which can play a role in preventing slipping and loosening.
In one embodiment, the upper fixing assembly 1 further comprises two steel plates 13, the two steel plates 13 are arranged at two sides of the superstructure beam 5, and the pull ring 11 sequentially passes through one steel plate 13, the superstructure beam 5 and the other steel plate 13 and is then fixed on the superstructure beam 5 through the fastener 12. The contact area with the superstructure girder 5 is increased by the steel plate 13, so that the tab 11 can be more firmly fixed to the superstructure girder 5. Specifically, one side of the steel plate 13 abuts against the superstructure beam 5, and the other side abuts against a nut on the same side of the superstructure beam 5 as the steel plate 13.
Referring to fig. 5 in combination, fig. 5 is a schematic partial view of a connecting member in the temporary tying device with cantilever structure according to the present utility model. In one embodiment, the connecting member 22 includes a connecting rod 221 and two rings 222, and the two rings 222 are respectively fixed at two ends of the connecting rod 221. This arrangement facilitates connection of the connector 22 to the basket screw 21.
Referring to fig. 4 in combination, fig. 4 is a schematic structural view of an anchor ring in the temporary tying device with cantilever structure according to the present utility model. In one embodiment, the anchor ring 31 includes a U-shaped bar 331 and two horizontal bars 332 vertically disposed at both ends of the U-shaped bar 331, respectively. The U-shaped rod 331 and the two horizontal rods 332 are integrally formed, and when the U-shaped rod 331 is used, the two ends of the U-shaped rod 331 and the two horizontal rods 332 are embedded in the cantilever plate 4, so that the connection between the anchor ring 31 and the cantilever plate 4 is firmer. The U-shaped bottom of the U-shaped rod 331 is connected with a basket screw 21 positioned at one end of the connecting component 2.
In one embodiment, the number of basket screws 21 is three. The connecting assembly 2 adopts three basket screws 21, and connects the three basket screws 21 through two connecting pieces 22, so that the phenomenon that the connecting pieces 22 are too long to cause difficult construction is avoided, and the construction difficulty is reduced.
The following is a simple description of the use process of the temporary drawknot device with the overhanging structure:
the number of the drawknot structures arranged on each layer can be calculated specifically, and the requirement that the cantilever plate 4 bears the stress of the two-layer cantilever structure and the template support can be met by simply relying on the drawknot force provided by the drawknot structures.
For each drawknot structure, carrying out anchor ring 31 pre-embedding at the side beam position of the cantilever plate 4 to be poured, and reserving two holes on the upper building structural beam according to the appointed position when the next layer is ready to be poured after the layer is poured;
after the concrete strength of the superstructure girder 5 reaches a preset strength, respectively penetrating two straight rods 111 of the pull ring 11 through two reserved holes, and fixing the pull ring 11 on the superstructure girder 5 by using a steel plate 13 and double nuts in a girder field of the superstructure girder 5;
the anchor ring 31 at the cantilever beam is connected with one end of one basket screw 21, the pull ring 11 at the upper building structure beam 5 is connected with one end of the other basket screw 21, and then the other ends of the two basket screws 21 are connected with the third basket screw 21 through the connecting piece 22, so that the installation of the connecting component 2 is completed. The basket screws 21 are adjusted to ensure that all the basket screws 21 are tightened and in a stressed state, thereby providing a drawknot force to the cantilever plate 4 through the drawknot structure. And sequentially completing the installation of a plurality of drawknot structures on the one-layer overhanging structure, thereby completing the drawknot of the one-layer overhanging structure.
According to the height of the climbing frame in the project, the temporary drawknot device for the overhanging structure is installed on other overhanging structures according to the process.
Compared with the prior art, the utility model has the beneficial effects that: the drawknot structure provides a drawknot force for the cantilever structure, so that the frame body below the cantilever plate 4 can be removed in advance when the strength of the cantilever plate 4 is not 100%, the number of layers of the cantilever plate 4 needing to be backed up is reduced, the turnover rate of templates, steel pipe materials and the like is increased, the climbing frame and a self-contained unloading platform thereof are not lifted when the materials are turned over, the turnover efficiency is greatly increased, the manual loss is reduced, and the construction cost is further reduced; meanwhile, the risk of later edge working is avoided, and the engineering safety is provided; and provide a drawknot power to the structure of encorbelmenting through drawknot structure, greatly reduced when encorbelmenting board 4 intensity and just demolish the risk of floor fracture when the template not reaching 100%, can guarantee the quality of encorbelmenting board 4 structure.
The present utility model is not limited to the preferred embodiments, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model will still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. The temporary drawknot device for the cantilever structure is used for drawknot of the cantilever plate and the upper building structure beam and is characterized by comprising a plurality of drawknot structures which are arranged at intervals, wherein the drawknot structures are obliquely arranged and comprise an upper fixing assembly, a connecting assembly and a lower fixing assembly;
the upper fixing component comprises a pull ring penetrating through the upper building structure beam and a fastener arranged on the pull ring and used for fixing the pull ring on the upper building structure beam;
the lower fixing assembly comprises an anchor ring fixed on the cantilever plate;
the connecting assembly comprises a plurality of basket screws which are connected sequentially through connecting pieces, and two basket screws positioned at two ends of the connecting assembly are respectively connected with the pull ring and the anchor ring.
2. The temporary tension device of claim 1, wherein the pull ring has a U-shaped structure and comprises two parallel straight bars and an arc-shaped bar integrally connected between the two straight bars, the fastener comprises nuts in threaded connection with the straight bars, and the number of the nuts on each straight bar is at least two and contacts with two sides of the superstructure structural beam respectively.
3. The temporary cantilever structure tie device of claim 2, wherein the number of nuts on each straight bar is four and divided into two groups, the two groups of nuts being located on two sides of the superstructure beam, respectively.
4. The temporary cantilever structure tie device according to claim 1, wherein the upper fixing assembly further comprises two steel plates, the two steel plates are disposed on two sides of the superstructure girder, and the pull ring is fixed to the superstructure girder by fastening means after passing through one steel plate, the superstructure girder and the other steel plate in sequence.
5. The temporary cantilever structure tie device according to claim 1, wherein the connecting member comprises a connecting rod and two circular rings, and the two circular rings are respectively fixed at two ends of the connecting rod.
6. The temporary drawknot of a cantilever structure according to claim 1, wherein the anchor ring comprises a U-shaped bar and two horizontal bars vertically disposed at both ends of the U-shaped bar, respectively.
7. The temporary tie device of overhanging structure according to claim 1, wherein the number of basket screws is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203437.4U CN219118756U (en) | 2022-11-30 | 2022-11-30 | Temporary drawknot device for cantilever structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223203437.4U CN219118756U (en) | 2022-11-30 | 2022-11-30 | Temporary drawknot device for cantilever structure |
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| Publication Number | Publication Date |
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| CN219118756U true CN219118756U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223203437.4U Active CN219118756U (en) | 2022-11-30 | 2022-11-30 | Temporary drawknot device for cantilever structure |
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| CN (1) | CN219118756U (en) |
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- 2022-11-30 CN CN202223203437.4U patent/CN219118756U/en active Active
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