CN214531500U - Large-span indoor crossbeam structure - Google Patents
Large-span indoor crossbeam structure Download PDFInfo
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- CN214531500U CN214531500U CN202120276344.0U CN202120276344U CN214531500U CN 214531500 U CN214531500 U CN 214531500U CN 202120276344 U CN202120276344 U CN 202120276344U CN 214531500 U CN214531500 U CN 214531500U
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Abstract
The utility model relates to a beam structure's technical field, to the weak defect of traditional large-span crossbeam bending resistance, provided an indoor crossbeam structure of large-span, including the crossbeam, be provided with beam reinforcement cage in the crossbeam, beam reinforcement cage includes horizontal muscle and a plurality of stirrup that a plurality of levels set up, is provided with first arc muscle in the beam reinforcement cage, and first arc muscle opening sets up down, and indoor crossbeam structure of large-span still includes fixed subassembly, and first arc muscle passes through fixed subassembly to be fixed on horizontal muscle. This application has the effect that improves the bending resistance of large-span crossbeam.
Description
Technical Field
The application relates to the technical field of beam structures, in particular to a large-span indoor beam structure.
Background
The beam is an important bearing component in the building construction, and the external force borne by the reinforced concrete beam mainly takes transverse force and shearing force as main parts and takes bending deformation as main deformation. Current crossbeam is mostly reinforced concrete roof beam.
In the correlation technique, the crossbeam is usually used for supporting building structure with the holistic frame of reinforced concrete post constitution, when the reinforced concrete roof beam was made, the horizontal muscle at the roof beam steel reinforcement cage's of crossbeam both ends respectively with the vertical muscle of the post steel reinforcement cage of two sets of reinforced concrete posts earlier usually ligature fixedly, carry out the pouring of reinforced concrete roof beam again to this promotes the wholeness of reinforced concrete roof beam and reinforced concrete post, makes the frame that crossbeam and reinforced concrete post formed can support the housing construction better.
Aiming at the related technologies, the inventor thinks that when the span of the adjacent reinforced concrete columns is large, the bending resistance of the middle position of the cross beam is weak, and the middle part of the cross beam is easy to bend and deform after bearing downward load for a long time, so that the middle part of the cross beam is cracked and damaged, and the use safety of a house is influenced. There is therefore room for improvement.
Disclosure of Invention
In order to improve the bending resistance of large-span crossbeam, this application provides an indoor crossbeam structure of large-span.
The application provides a pair of indoor crossbeam structure of large-span adopts following technical scheme:
the utility model provides an indoor crossbeam structure of large-span, includes the crossbeam, be provided with the roof beam steel reinforcement cage in the crossbeam, the roof beam steel reinforcement cage includes horizontal muscle and a plurality of stirrup that a plurality of levels set up, be provided with first arc muscle in the roof beam steel reinforcement cage, first arc muscle length direction is the same with roof beam steel reinforcement cage length direction, first arc muscle opening sets up down, and indoor crossbeam structure of large-span still includes fixed subassembly, first arc muscle is fixed on horizontal muscle through fixed subassembly.
Through adopting above-mentioned technical scheme, through the setting of first arc muscle, utilize the first arc muscle that the opening is decurrent to exert prestressing force to roof beam steel reinforcement cage for when the crossbeam receives top-down's load, roof beam steel reinforcement cage can in time offset the load, is favorable to improving the bending resistance of crossbeam, is difficult for producing bending deformation when making the crossbeam span great, makes the crossbeam more durable.
Preferably, fixed subassembly includes two first C type buckles and the second C type buckle that are used for the joint reinforcing bar, be provided with the connecting piece between first C type buckle and the second C type buckle, first C type buckle is located the outside that first C type buckle deviates from the breach with the junction of connecting piece, second C type buckle is located the outside that second C type buckle deviates from the breach with the junction of connecting piece.
Through adopting above-mentioned technical scheme, when first arc-shaped beam needs to be installed, go into first arc muscle with first C type buckle card earlier, go into horizontal muscle with second C type buckle card again, make first arc muscle fixed, when making the crossbeam pour, the difficult displacement that produces of first arc muscle, make first arc muscle can fix in the roof beam steel reinforcement cage more firmly, and then be favorable to first arc muscle to exert prestressing force to the roof beam steel reinforcement cage better, make the crossbeam can offset top-down's load better.
Preferably, the connecting piece include fixed connection in the connecting rod of one side that first C type buckle deviates from the breach, coupling assembling still including seting up in the connecting hole of one side that second C type buckle deviates from the breach, the connecting rod with the connecting hole rotates to be connected.
Through adopting above-mentioned technical scheme, rotate the setting of being connected through connecting rod and connecting hole, make first C type buckle and second C type buckle can the rotation each other, make the first arc muscle of installation fixed can be gone into first C type buckle card with first arc muscle after, rotate the position of second C type buckle, make the breach of second C type buckle can aim at horizontal muscle, make second C type buckle change in the card and go into horizontal muscle, and then make first arc muscle installation simple and convenient more.
Preferably, the both ends of first arc muscle are protruding to in the post steel reinforcement cage of two adjacent reinforced concrete columns, the both ends of first arc muscle are fixed respectively on the perpendicular muscle of two groups post steel reinforcement cages through fixed subassembly.
By adopting the technical scheme, the two ends of the first arc-shaped rib are respectively bound with the vertical ribs of the two column steel reinforcement cages, so that the first arc-shaped rib is not easy to displace, the first arc-shaped rib can be more stably fixed in the beam steel reinforcement cage, and the first arc-shaped rib can better apply prestress to the beam steel reinforcement cage; meanwhile, the connection integrity between the cross beam and the reinforced concrete column is further enhanced.
Preferably, the beam reinforcement cage is detachably connected with a grouting pipe.
Through adopting above-mentioned technical scheme, through the setting of slip casting pipe, when needs carry out the slip casting to the crossbeam, can directly cross the slip casting pipe and carry out the slip casting operation to the crossbeam for pouring of crossbeam is simple and convenient more, and simultaneously, after the concrete setting shaping, the slip casting pipe becomes the partly of crossbeam, is favorable to improving the holistic structural strength of crossbeam.
Preferably, slip casting pipe periphery wall fixedly connected with a plurality of lugs, it is a plurality of the lug passes through the steel wire ligature on horizontal muscle, the through-hole that supplies the steel wire to pass is still seted up to the lug.
Through adopting above-mentioned technical scheme, when will installing the slip casting pipe on the steel reinforcement cage, pass the through-hole with the steel wire and with the reinforcement on corresponding horizontal muscle, alright accomplish the fixed of slip casting pipe for the fixed simple and convenient more of slip casting pipe.
Preferably, the plurality of projections are evenly distributed around the axis of the grout pipe.
Through adopting above-mentioned technical scheme, encircle slip casting pipe evenly distributed's setting through a plurality of lugs for the slip casting pipe can be ligature in the roof beam steel reinforcement cage more firmly, and during the slip casting, the slip casting pipe is difficult for producing the displacement, and then is favorable to improving the slip casting effect of crossbeam, is favorable to improving the bulk strength of crossbeam.
Preferably, still be provided with a plurality of second arc muscle in the roof beam steel reinforcement cage, it is a plurality of second arc muscle length direction is the same with roof beam steel reinforcement cage length direction, and is a plurality of second arc muscle is along the width direction evenly distributed of roof beam steel reinforcement cage, and is a plurality of the both ends of second arc muscle are all fixed on horizontal muscle through fixed subassembly.
By adopting the technical scheme, the beam reinforcement cage is further prestressed by the second arc-shaped rib, so that the beam reinforcement cage can better offset the load from top to bottom; simultaneously, the strength of the beam reinforcement cage is further improved due to the arrangement of the second arc-shaped ribs, and the beam is more durable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first arc-shaped rib with the downward opening is fixed in the beam reinforcement cage through the fixing assembly, and the beam reinforcement cage can offset load timely by utilizing prestress applied to the beam reinforcement cage by the first arc-shaped rib when the beam is subjected to load from top to bottom, so that the stress state of the beam can be improved, and the bending strength of the beam can be improved;
2. the first C-shaped buckle and the second C-shaped buckle can rotate relatively through the arrangement that the connecting rod of the first C-shaped buckle is rotatably connected with the connecting hole of the second C-shaped buckle, the first C-shaped buckle is clamped into the first arc-shaped rib, and then the second C-shaped buckle can be rotated, so that the notch of the second C-shaped buckle can be just opposite to the transverse rib, and the first C-shaped buckle can be easily clamped into the transverse rib;
3. the two ends of the first arc-shaped rib are fixedly bound with the vertical ribs of the two groups of column steel reinforcement cages respectively, so that the first arc-shaped rib can be more stably fixed in the beam steel reinforcement cage.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged schematic view of section A of FIG. 1;
FIG. 3 is a schematic diagram illustrating a structure of a grouting pipe according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a fixing assembly according to an embodiment of the present application.
Description of reference numerals: 1. a reinforced concrete column; 11. a column reinforcement cage; 2. a cross beam; 21. a beam reinforcement cage; 211. transverse ribs; 212. hooping; 3. a fixing assembly; 31. a first C-shaped buckle; 32. a second C-shaped buckle; 33. a connecting member; 331. a connecting rod; 332. connecting holes; 4. a grouting pipe; 41. a bump; 42. a through hole; 5. a first arc-shaped rib; 6. and a second arc-shaped rib.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses large-span indoor crossbeam structure.
Referring to fig. 1 and 2, the steel bar cage comprises a horizontally arranged cross beam 2, and a beam steel bar cage 21 is arranged in the cross beam 2; the beam reinforcement cage 21 comprises a plurality of transverse ribs 211 and a plurality of stirrups 212 bound on the transverse ribs 211, a plurality of first arc-shaped ribs 5 and a plurality of second arc-shaped ribs 6 are arranged in the beam reinforcement cage 21, both the first arc-shaped ribs 5 and the second arc-shaped ribs 6 are arranged with openings facing downwards, both the first arc-shaped ribs 5 and the second arc-shaped ribs 6 are positioned in the middle of the beam reinforcement cage 21, the length directions of both the first arc-shaped ribs 5 and the second arc-shaped ribs 6 are the same as the length direction of the beam reinforcement cage 21, the first arc-shaped ribs 5 and the second arc-shaped ribs 6 are arranged at intervals along the width direction of the beam reinforcement cage 21, the large-span indoor cross beam 2 structure further comprises fixing assemblies 3, and both the first arc-shaped ribs 5 and the second arc-shaped ribs 6 are bound and fixed in the beam reinforcement cage 21 through the plurality of fixing assemblies 3; the top end of the beam reinforcement cage 21 is also provided with a grouting pipe 4, so that the beam 2 can be poured conveniently.
Referring to fig. 1 and 4, the fixing assembly 3 includes a first C-shaped buckle 31 for being clamped with the steel bar, a second C-shaped buckle 31 for being clamped with the steel bar, and a connecting member 33 provided between the second C-shaped buckle 32 and the first C-shaped buckle 31 for connecting the second C-shaped buckle 32 and the first C-shaped buckle 31, in this embodiment, the second C-shaped buckle 32 and the first C-shaped buckle 31 are both iron buckles, and the steel bar is easily clamped into the second C-shaped buckle 32 and the first C-shaped buckle 31 by using the plasticity of iron.
Referring to fig. 1 and 4, the connecting member 33 includes a connecting rod 331 fixedly connected to the outer side wall of the first C-shaped buckle 31 deviating from the notch, the connecting rod 331 and the notch of the first C-shaped buckle 31 are disposed in a coplanar manner, the connecting member 33 further includes a connecting hole 332 disposed in the outer side wall of the second C-shaped buckle 32 deviating from the notch, the connecting rod 331 is rotatably connected to the connecting hole 332, and the first C-shaped buckle 31 and the second C-shaped buckle 32 can rotate relatively.
Referring to fig. 1 and 2, in this embodiment, two ends of the second arc-shaped rib 6 are bound and fixed with the transverse ribs 211 of the two reinforcement cages through the fixing component 3. The both ends of first arc muscle 5 are salient respectively outside roof beam steel reinforcement cage 21 and extend to in the post steel reinforcement cage 11 of two sets of adjacent reinforced concrete post 1, and the both ends of first arc muscle 5 are fixed through the vertical muscle ligature of fixed subassembly 3 difference two sets of post steel reinforcement cages 11. The first arc-shaped ribs 5 are less prone to displacement, and the first arc-shaped ribs 5 can better apply prestress to the cross beam 2; meanwhile, the integration of the reinforcing beam reinforcement cage 21 and the column reinforcement cage 11 is facilitated.
Referring to fig. 1 and 3, slip casting pipe 4 is located roof beam steel reinforcement cage 21 top and slip casting pipe 4 is vertical to be set up downwards and extends to in roof beam steel reinforcement cage 21, two sets of lugs 41 of 4 periphery walls fixedly connected with of slip casting pipe, two sets of lugs 41 set up about the axis symmetry of slip casting pipe 4, all set up the through-hole 42 that supplies the steel wire to pass on two sets of lugs 41, pass through-hole 42 and ligature on horizontal muscle 211 with wire rope during the use, make the position of slip casting pipe 4 fixed, make difficult production displacement during the slip casting of slip casting pipe 4.
The implementation principle of the 2 structures of indoor crossbeam of large-span of this application embodiment is: fix first arc muscle 5 and second arc muscle 6 with the opening down in roof beam steel reinforcement cage 21 through fixed subassembly 3, utilize first arc muscle 5 and second arc muscle 6 to roof beam steel reinforcement cage 21 prestress application for when crossbeam 2 received top-down's load, roof beam steel reinforcement cage 21 can in time offset the load, be favorable to improving the stress state of crossbeam 2, be favorable to improving crossbeam 2's anti bending ability, make crossbeam 2 be difficult for the fracture damage.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an indoor crossbeam structure of large-span which characterized in that: including crossbeam (2), be provided with roof beam steel reinforcement cage (21) in crossbeam (2), roof beam steel reinforcement cage (21) include horizontal muscle (211) and a plurality of stirrup (212) that a plurality of levels set up, be provided with first arc muscle (5) in roof beam steel reinforcement cage (21), first arc muscle (5) length direction is the same with roof beam steel reinforcement cage (21) length direction, first arc muscle (5) opening sets up down, and large-span indoor crossbeam (2) structure still includes fixed subassembly (3), first arc muscle (5) are fixed on horizontal muscle (211) through fixed subassembly (3).
2. The large-span indoor cross-beam structure of claim 1, wherein: fixed subassembly (3) include two first C type buckles (31) and second C type buckle (32) that are used for the joint reinforcing bar, be provided with connecting piece (33) between first C type buckle (31) and second C type buckle (32), the junction of first C type buckle (31) and connecting piece (33) is located the outside that first C type buckle (31) deviates from the breach, the junction of second C type buckle (32) and connecting piece (33) is located the outside that second C type buckle (32) deviates from the breach.
3. The large-span indoor cross-beam structure of claim 2, wherein: connecting piece (33) including fixed connection in connecting rod (331) of one side that first C type buckle (31) deviates from the breach, connecting piece (33) still including set up in connecting hole (332) of one side that second C type buckle (32) deviates from the breach, connecting rod (331) with connecting hole (332) rotate and are connected.
4. The large-span indoor cross-beam structure of claim 3, wherein: the both ends of first arc muscle (5) are salient to in the post steel reinforcement cage (11) of two adjacent reinforced concrete posts (1), the both ends of first arc muscle (5) are fixed respectively on the perpendicular muscle of two groups post steel reinforcement cages (11) through fixed subassembly (3).
5. The large-span indoor cross-beam structure of claim 1, wherein: the beam reinforcement cage (21) is detachably connected with a grouting pipe (4).
6. The large-span indoor cross-beam structure of claim 5, wherein: slip casting pipe (4) periphery wall fixedly connected with a plurality of lugs (41), it is a plurality of lug (41) pass through the steel wire ligature on horizontal muscle (211), through-hole (42) that supply the steel wire to pass are still seted up in lug (41).
7. The large-span indoor cross-beam structure of claim 6, wherein: the lugs (41) are evenly distributed around the axis of the grouting pipe (4).
8. The large-span indoor cross-beam structure of claim 4, wherein: still be provided with a plurality of second arc muscle (6), a plurality of in roof beam steel reinforcement cage (21) second arc muscle (6) length direction is the same with roof beam steel reinforcement cage (21) length direction, and is a plurality of width direction evenly distributed of roof beam steel reinforcement cage (21) is followed in second arc muscle (6), and is a plurality of the both ends of second arc muscle (6) are all fixed on horizontal muscle (211) through fixed subassembly (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276344.0U CN214531500U (en) | 2021-01-30 | 2021-01-30 | Large-span indoor crossbeam structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120276344.0U CN214531500U (en) | 2021-01-30 | 2021-01-30 | Large-span indoor crossbeam structure |
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| CN214531500U true CN214531500U (en) | 2021-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871642A (en) * | 2022-04-29 | 2022-08-09 | 中铁二十五局集团第三工程有限公司 | Small-size prefabricated component reinforcing bar installing support |
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- 2021-01-30 CN CN202120276344.0U patent/CN214531500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871642A (en) * | 2022-04-29 | 2022-08-09 | 中铁二十五局集团第三工程有限公司 | Small-size prefabricated component reinforcing bar installing support |
| CN114871642B (en) * | 2022-04-29 | 2023-11-07 | 中铁二十五局集团第三工程有限公司 | Small-size prefabricated component reinforcing bar installing support |
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