CN217557657U - String-type same-layer supporting system - Google Patents
String-type same-layer supporting system Download PDFInfo
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- CN217557657U CN217557657U CN202220968217.1U CN202220968217U CN217557657U CN 217557657 U CN217557657 U CN 217557657U CN 202220968217 U CN202220968217 U CN 202220968217U CN 217557657 U CN217557657 U CN 217557657U
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Abstract
The utility model provides a string type same-floor supporting system for construction of floor slabs, which comprises an upper string beam 2, a string 5 and a stay bar 4; the upper chord beam 2 is positioned between the structural beams 1, two ends of the upper chord beam 2 are respectively installed at the side parts of the floor slab structural beams 1, the tensioning cables 5 are positioned below the upper chord beam 2 and are tied at two ends of the upper chord beam 2, and the stay bars 4 are installed on the upper chord beam 2 and support the tensioning cables 5 to form tensioning support. The utility model discloses well braced system shelves on floor structure roof beam 1, need not to support in lower floor, the event need not to wait for this floor of construction after next floor cast in situ concrete reaches certain intensity, braced system adopts and opens string formula structure, the upper chord beam material is lightweight, for example use lightweight materials such as aluminum alloy, can reduce support weight by a wide margin, and improve braced system's rigidity through opening string structure, and the convenience is arched to the upper chord beam through adjusting vaulting pole length, in order to satisfy the requirement that the floor arched.
Description
Technical Field
The utility model relates to a construction temporary measure field indicates a string formula is with layer braced system especially.
Background
A template system for steel construction building cast in situ concrete floor has a plurality ofly, and conventional mainly has: (1) profiled steel sheets, (2) steel bar truss floor bearing plates, and (3) common building templates (wood templates are more). For the great floor of span no matter what kind of template system is adopted, all need set up interim braced system in the template below to prevent that template or superimposed sheet prefabricated part from taking place too big vertical displacement when concrete placement. The temporary support system generally consists of columns resting on the floor of the next floor or foundation and supporting beams resting on the columns. Like this, construct the more than two layers structure just necessarily need wait for the cast in situ concrete of next floor slab and solidify the template system that just can set up this layer, occupy more construction period to the side direction stability of supporting the mould roof beam also needs to guarantee through other relevant braced systems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a to current floor formwork system, the interim braced system who has solved current formwork system need prop up the defect of establishing on the complete basis of one deck completion down, provides an interim braced system that need not support in substructure.
The technical scheme for realizing the purpose is as follows:
the tension string type same-layer supporting system is characterized by comprising an upper chord beam, a tension string and a supporting rod; the upper chord beam is arranged between the floor slab structure beams of the floors and supported at the bottom of the floor slab, two ends of the upper chord beam are respectively arranged at the lateral parts of the floor slab structure beams, the tensioning cable is positioned below the upper chord beam and is tied at two ends of the upper chord beam, and the stay bar is arranged on the upper chord beam and is tightly braced between the tensioning cable and the upper chord beam to form temporary tensioning support.
The beneficial effects of the utility model are that:
the utility model discloses well interim support floor system shelves on the floor structure roof beam, need not to support in lower floor slab, so need not to wait for this layer of floor of can being under construction after next floor slab concrete sets, braced system adopts string formula structure, and the upper chord girder can adopt the lightweight material, for example uses lightweight materials such as aluminum alloy, can reduce by a wide margin and support weight, improves braced system's rigidity, and makes things convenient for the arching.
Furthermore, the upper chord beam comprises a first beam section, a second beam section and a length adjusting piece, the first beam section is sleeved with the second beam section in a telescopic adjusting mode, the first beam section is provided with a first adjusting hole group used for limiting the length, the second beam section is provided with a second adjusting hole group used for limiting the length and adapting the position, the length adjusting piece is inserted into the first adjusting hole group and the second adjusting hole group, and the first adjusting hole group and the second adjusting hole group are fixed in relative length after adjustment.
Furthermore, the upper surface of the first beam section is a flat supporting surface, concave notches are formed in two sides of the flat supporting surface, the upper surface of the second beam section is an opening, sliding side wings which are matched with the sliding side wings and clamped in the concave notches are arranged on two sides of the opening, the second beam section is sleeved on the first beam section, the sliding side wings slide in the concave notches, and the upper surface of the first beam section is flush with the upper surface of the second beam section.
Further, the upper surface of the upper chord beam is flush with the upper surface of the floor slab structure beam.
Furthermore, the floor slab structure beam is an H-shaped steel beam, and the upper chord beam is arranged on the side part of a web plate of the H-shaped steel beam.
Furthermore, notches are formed in two ends of the upper chord beam, the positions of wing plates of the H-shaped steel beam correspond to the notches, and the upper surface of the upper chord beam is flush with the wing plates of the H-shaped steel beam.
Furthermore, the tensioning cable is a knotting cable, and the knotting cable is connected with the stay bar through a fastener.
Furthermore, the support rod is a telescopic support rod with the length capable of being adjusted in a telescopic mode.
Further, the lateral part of floor structure roof beam is equipped with the bracket mounting panel, the tip of last chord beam is set up on the bracket mounting panel.
Furthermore, a height adjusting support is arranged on the side portion of the floor slab structure beam, and the end portion of the upper chord beam is erected on the height adjusting support.
Further, still include the installation otic placode, the installation otic placode install in the both ends of upper chord roof beam, stretch-draw cable drawknot in the upper chord roof beam both ends between the installation otic placode.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a point a in fig. 1.
Figure 3 is a side view of the mounting node of the height adjustment bracket.
Fig. 4 is an elevation view of a mounting node of the height adjustment bracket.
Fig. 5 is a sectional view of the first beam section and the second beam section according to the present invention.
Fig. 6 is another schematic structural diagram of the present invention.
Fig. 7 is a diagram of an implementation state of the present invention.
Detailed Description
Referring to fig. 1, 2, 5 and 6, the present invention provides a string-type same-layer supporting system, which includes an upper beam 2, a tension cable 5 and a brace 4; the upper chord beam 2 is positioned between the floor slab structural beams 1, two ends of the upper chord beam 2 are respectively installed at the side parts of the floor slab structural beams 1, the tension cables 5 are positioned below the upper chord beam 2 and are tied at two ends of the upper chord beam 2, and the stay bars 4 are installed on the upper chord beam 2 and are tightly braced between the tension cables 5 to form temporary tension string supports. The utility model discloses well braced system shelves on floor structure roof beam 1, need not to support in lower floor slab, so need not to wait for this floor of construction after next floor slab concrete sets, braced system adopts string formula structure, and the upper chord roof beam adopts the lightweight material, for example uses lightweight materials such as aluminum alloy, can reduce support weight by a wide margin. The rigidity of the supporting system can be improved through the string tensioning system, and arching is facilitated.
The invention will be further described with reference to the following drawings and specific embodiments:
the span of floor can be different according to different building design, in order to improve the suitability of this application, needs to accomplish adjustablely to holistic upper chord beam 2's length, just so can adapt to the distance between the floor structure roof beam 1 of different spans. For this reason, the technical scheme that provides in this application will upper chord beam 2 designs for length is flexible adjustable, and is concrete, upper chord beam 2 includes first roof beam section 21, second roof beam section 22 and length adjustment spare 23, second roof beam section 22 is telescopically adjusted to be located the cover first roof beam section 21, first roof beam section is equipped with the first regulation punch combination that is used for the length restriction, second roof beam section is equipped with and is used for length restriction and position adaptation the second of first regulation punch combination is adjusted the punch combination, first regulation punch combination includes that the interval is seted up a plurality of first regulation holes 212 on the first roof beam section 21, the second is adjusted the punch combination and is seted up including the interval a plurality of second regulation holes 222 on the second roof beam section 22. The length adjusting member 23 adjusts the length according to the position displacement of the first adjusting hole group and the second adjusting hole group, and the length adjusting member 23 is fixedly installed in the first adjusting hole 212 and the second adjusting hole 222 with adjusted lengths. In the present embodiment, fig. 1 provides a specific position of the length-adjusting member 23 after the length adjustment, but as can be understood from fig. 3, the length-adjusting member 23 is a bolt, and is fixed after passing through the first adjusting hole 212 and the second adjusting hole 222.
Referring to fig. 4, in fig. 4, the actual length of the upper chord 2 is adjusted according to actual construction requirements, and only one string support is arranged according to actual requirements. Similarly, if the length of the upper chord 2 is larger, we can set 3, 4 or more supports!
The utility model discloses a be used for providing the support to pouring of floor, so will guarantee the roughness on upper portion. Therefore, the upper surface of the first beam section 21 is a flat supporting surface, concave notches 211 are formed in two sides of the flat supporting surface, the upper surface of the second beam section 22 is an opening, sliding side wings 221 are formed in two sides of the opening, the second beam section 22 is sleeved on the first beam section 21, the sliding side wings 221 slide in the concave notches 211, and the upper surface of the first beam section 21 is flush with the upper surface of the second beam section 22. Preferably, the first beam section 21 is a rectangular beam body and is designed to have a "convex" cross section as shown in fig. 3 by the concave notch 211, and the second beam section 22 is designed to have a "U" cross section, and the sliding wing 221 is disposed inside the opening of the "U" cross section.
Further, in order to ensure the flatness of the upper surface at the joint of the upper chord beam 2 and the floor slab structural beam 1, the upper surface of the upper chord beam 2 is flush with the upper surface of the floor slab structural beam 1.
In the conventional meaning, select for the convenience of selecting materials floor structure roof beam 1 is H shaped steel roof beam, go up string roof beam 2 install in the 12 lateral parts of web of H shaped steel roof beam to conveniently realize the planarization of going up string roof beam 2 and floor structure roof beam 1 junction. Specifically, both ends of the upper chord member 2 are provided with notches 24 (please refer to fig. 2), the wing plate 11 of the H-shaped steel beam is located corresponding to the notches 24, and the upper surface of the upper chord member 2 is flush with the wing plate 11 of the H-shaped steel beam.
Furthermore, the stretching cable 5 is connected with the support rod 4 through a fastener, the fastener is a conventional retaining ring arranged at the end of the support rod, and the stretching cable 5 passes through the retaining ring; the tension cable 5 is a cable.
Further, the stay bar 4 is a telescopic support bar with a length adjustable in a telescopic manner, and the stay bar 4 is mounted on the upper chord beam through a hoop 41. Preferably, the stay bar 4 is provided with a tensioning device, the tensioning device is a tensioning bolt 43, the hoop 41 is provided with a mounting seat 42, the mounting seat is provided with a threaded hole, the tensioning bolt 43 is arranged in the threaded hole, the stay bar 4 is arranged on the tensioning bolt, and the length adjustment of the stay bar 2 is realized by rotating the depth of the tensioning bolt in the threaded hole, so that the tensioning of the tensioning cable is realized.
Further, the lateral part of floor structure roof beam 1 is equipped with bracket mounting panel 7, upper chord 2 set up on the bracket mounting panel 7.
Or, referring to fig. 3 and 4, a height adjusting bracket 7a is arranged at a side portion of the floor slab structural beam, and an end portion of the upper chord beam 2 is erected on the height adjusting bracket 7 a; the height adjusting bracket 7a comprises an adjusting bolt 71a and a bracket 72a arranged on the adjusting bolt, and the bracket is provided with a threaded hole for realizing height adjustment through the threaded precession degree of the adjusting bolt 71 a. Further, the magnets 73a provided on the adjusting bolts 71a and the brackets 72a facilitate assisting in stabilizing the side of the floor slab structural beam 1. And standard leveling is carried out on the floor slab structure beam and the upper chord beam 2 through a level ruler 74a with a magnetic absorption function. Further, still include installation otic placode 6, installation otic placode 6 install in the both ends of upper chord 2, stretch-draw cable 5 drawknot in 2 both ends of upper chord between the installation otic placode 6.
Referring to fig. 7, alc plate 9 (or PK3 plate, etc.) is laid on the utility model as a casting bottom mold, and then concrete is cast on the bottom mold.
The utility model adopts the above technical scheme, following technological effect has:
1. the formwork support system is changed into the formwork support system only by the device without columns, so that the formwork system on the layer can be erected before the lower-layer concrete floor slab is not solidified or poured, the concrete floor slab on the layer is poured, and the construction period is shortened.
2. By adopting the string structure, the rigidity of the die beam is greatly improved, and the downwarping of the floor slab in the construction process is reduced.
3. The telescopic support rod is arranged in the stay rod of the tension string structure, and the mould beam can be arched by extending the stay rod while applying prestress to the tension cable.
4. The upper chord beam is made of aluminum alloy materials, and is matched with a mold beam system formed by high-strength tension cables and support rods, so that the weight of the mold beam system is far lighter than that of mold beams in other forms.
5. The length of the upper chord beam can be adjusted to adapt to different floor slab spans, so that the applicability of the mould beam system is greatly improved, the specification of the mould beam system is reduced, and the economical efficiency is improved.
6. All the nodes are connected skillfully through the modulization openings of the web plates of the upper chord beams, and are connected in an assembly mode, so that the connection is convenient and fast.
7. The change of adjustable mould roof beam accessible vaulting pole quantity is suitable for different spans, repeatedly applicable in different projects, and the cost is low, green low carbon.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. A string-type same-layer supporting system is characterized by comprising an upper string beam, a string-stretching rope and a supporting rod; the upper chord beam is arranged between the floor slab structure beams of the floors and supported at the bottom of the floor slab, two ends of the upper chord beam are respectively arranged at the lateral parts of the floor slab structure beams, the tensioning cable is positioned below the upper chord beam and is tied at two ends of the upper chord beam, and the stay bar is arranged on the upper chord beam and is tightly braced between the tensioning cable and the upper chord beam to form temporary tensioning support.
2. The string-type same-floor support system as set forth in claim 1, wherein: the upper chord beam comprises a first beam section, a second beam section and a length adjusting piece, the first beam section and the second beam section are sleeved with each other in a telescopic adjusting mode, the first beam section is provided with a first adjusting hole group used for limiting the length, the second beam section is provided with a hole group used for limiting the length and adapting the position of the first adjusting hole group, the length adjusting piece is inserted into the first adjusting hole group and fixed to adjust the relative length, and the first adjusting hole group and the second adjusting hole group are arranged in the second adjusting hole group.
3. The string-type same-floor support system as set forth in claim 2, wherein: the upper surface of first roof beam section is a flat holding surface, the both sides of leveling the holding surface have concave type notch, the upper surface of second roof beam section is an opening, the open-ended both sides have the collocation card to locate the slip flank of concave type notch, second roof beam section cover is located first roof beam section, the slip flank slide in concave type notch, the upper surface of first roof beam section with the upper surface of second roof beam section flushes.
4. The string-type same-floor support system as set forth in claim 1, wherein: the upper surface of the upper chord beam is flush with the upper surface of the floor slab structure beam.
5. The string-type same-floor support system as set forth in claim 4, wherein: the floor slab structure beam is an H-shaped steel beam, and the upper chord beam is arranged on the web side part of the H-shaped steel beam.
6. The string-tensioning type same-layer supporting system according to claim 5, wherein: notches are formed in two ends of the upper chord beam, the positions of wing plates of the H-shaped steel beam correspond to the notches, and the upper surface of the upper chord beam is flush with the wing plates of the H-shaped steel beam.
7. The string-type same-floor support system as set forth in claim 1, wherein: the support rod is a telescopic support rod with the length capable of being adjusted in a telescopic mode.
8. The string-type same-floor support system as set forth in claim 1, wherein: the lateral part of floor structure roof beam is equipped with the bracket mounting panel, the tip of last chord beam is set up on the bracket mounting panel.
9. The string-type same-floor support system as set forth in claim 1, wherein: the lateral part of floor structure roof beam is equipped with the altitude mixture control support, the tip of last chord beam set up in on the altitude mixture control support.
10. The string-tensioning type same-layer supporting system as set forth in claim 1, wherein: still include the installation otic placode, the installation otic placode install in the both ends of upper chord girder, stretch-draw cable drawknot in the upper chord girder both ends between the installation otic placode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968217.1U CN217557657U (en) | 2022-04-25 | 2022-04-25 | String-type same-layer supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968217.1U CN217557657U (en) | 2022-04-25 | 2022-04-25 | String-type same-layer supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217557657U true CN217557657U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220968217.1U Active CN217557657U (en) | 2022-04-25 | 2022-04-25 | String-type same-layer supporting system |
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| Country | Link |
|---|---|
| CN (1) | CN217557657U (en) |
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- 2022-04-25 CN CN202220968217.1U patent/CN217557657U/en active Active
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