CN214785316U - Cold bending type large-span steel rib structure frame - Google Patents

Cold bending type large-span steel rib structure frame Download PDF

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Publication number
CN214785316U
CN214785316U CN202121211958.7U CN202121211958U CN214785316U CN 214785316 U CN214785316 U CN 214785316U CN 202121211958 U CN202121211958 U CN 202121211958U CN 214785316 U CN214785316 U CN 214785316U
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China
Prior art keywords
steel
shaped steel
span
cold
shaped
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Expired - Fee Related
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CN202121211958.7U
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Chinese (zh)
Inventor
于广涛
李锡涛
田小波
李俊霖
苗小玮
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China Construction Second Engineering Bureau Co Ltd
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China Construction Second Engineering Bureau Co Ltd
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Abstract

The utility model provides a cold-formed large-span reinforcing bar structural framework, a plurality of large-span girder steels including parallel arrangement, the both ends of every large-span girder steel support through H shaped steel post respectively, every large-span girder steel forms through connecting piece connection at seam crossing through a plurality of sections H shaped steel respectively, the setting of crisscross each other of seam crossing of H shaped steel in two adjacent large-span girder steels, be equipped with the supporting beam between the H shaped steel of the seam crossing of the H shaped steel of one of them large-span girder steel and another adjacent large-span girder steel, be equipped with the collateral branch supporting beam between two adjacent H shaped steel posts. The joints of the H-shaped steel in two adjacent large-span steel beams are arranged in a staggered manner, so that the torsion resistance and the tensile resistance are enhanced, and the steel skeleton structural frame has good integral consistency and good stability; the large-span steel beam structure can meet the requirement of large span, can ensure the integral consistency of the large-span steel beam, ensures the structural strength and the bearing capacity, and reduces the quality problem and the safety problem in the construction process.

Description

Cold bending type large-span steel rib structure frame
The technical field is as follows:
the utility model relates to a clod wash type large-span reinforcing bar structural framework.
Background art:
at present, the labor cost of China is higher and higher, the price of sandstone materials is also high for a long time, and the rapid development of cold-formed steel structures is urgent. The cold-bending steel refers to finished steel products with various cross-section shapes, which are formed by bending steel plates or strip steel in a cold state, and has the characteristics of light dead weight, relatively large bearing capacity, good extensibility, good factory manufacturing and processing and assembling performance and the like, can express elements of the building elevation in multiple aspects, and saves the labor and the time limit on the whole. However, in the concrete construction process, for example, some large-span steel skeleton structure frames with large span need to use a large-span steel skeleton structure beam, two ends of which are supported by steel columns, the maximum span is about 30 meters, a single steel beam cannot be transported due to overlong length and is difficult to be turned around due to the limitation of the construction site, so that the large-span steel skeleton structure frame generally needs to be formed by connecting several steel beams to meet the span requirement, but the integral consistency of the split-connected steel beams is poor, and the structural strength and the bearing capacity are difficult to ensure.
In summary, how to improve the overall consistency, structural strength and bearing capacity of the large-span steel skeleton structure becomes a technical problem to be solved urgently in the industry.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a clod wash type large-span reinforcing bar structural framework, solved the problem that large-span reinforcing bar structural framework equipment form in the past was unreasonable, the whole uniformity is poor, poor stability, guaranteed structural strength and bearing capacity, reduced the emergence of quality problem and safety problem in the work progress.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a cold-formed large-span reinforcing bar structural framework, a plurality of large-span girder steels including parallel arrangement, the both ends of every large-span girder steel support through H shaped steel post respectively, every large-span girder steel forms through connecting piece connection at seam crossing through a plurality of sections H shaped steel respectively, the setting of crisscross each other of seam crossing of H shaped steel in two adjacent large-span girder steels, be equipped with the supporting beam between the H shaped steel of the seam crossing of the H shaped steel of one of them large-span girder steel and another adjacent large-span girder steel, be equipped with the collateral branch supporting beam between two adjacent H shaped steel posts.
The connecting piece is equipped with leaf spring support piece including fixed cuff of establishing in the adjacent two sections H shaped steel seam crossing outside, the both sides slot cavity of two sections H shaped steel seam crossings department respectively, leaf spring support piece is the arc downwarping setting by the center to both sides, and leaf spring support piece's center and two sections H shaped steel's seam coplane, leaf spring support piece's central top and H shaped steel's roof contact, leaf spring support piece's both ends bottom and H shaped steel's bottom plate contact, and leaf spring support piece fixes through the positioning bolt who installs on the cuff.
The hoop comprises a square steel sleeve sleeved on the outer side of the joint of the two sections of H-shaped steel, the top of the square steel sleeve is fixedly connected with the top plate of the H-shaped steel through a plurality of bolts, and the bottom of the square steel sleeve is fixedly connected with the bottom plate of the H-shaped steel through a plurality of bolts.
The plate spring support piece comprises a plurality of elastic arc-shaped steel plates which are stacked together, the middle parts of the elastic arc-shaped steel plates are fixedly connected through a pin shaft, and the two sides of the elastic arc-shaped steel plates are fixedly connected through binding steel rings.
The lengths of the elastic arc-shaped steel plates are sequentially increased from top to bottom.
And arc-shaped curled edges are arranged at two ends of the elastic arc-shaped steel plate at the lowest part and are in contact with the bottom plate of the H-shaped steel.
And the middle part of the elastic arc-shaped steel plate at the lowest part is welded with a positioning nut, and the positioning bolt penetrates through the side plate of the hoop and is fixedly connected with the positioning nut.
The leaf spring support has a length greater than a length of the ferrule.
And two ends of the upper supporting beam are respectively connected with the connecting piece at the joint of the H-shaped steel of one large-span steel beam and the H-shaped steel of the other large-span steel beam in a welding manner.
And two ends of the side supporting beam are respectively connected with the two H-shaped steel columns in a welding manner.
The utility model adopts the above technical scheme, have following advantage:
the joints of the H-shaped steel in two adjacent large-span steel beams are arranged in a staggered manner, so that the torsion resistance and the tensile resistance are enhanced, the joint of the H-shaped steel of one large-span steel beam is connected with the H-shaped steel of the other adjacent large-span steel beam in a welding manner through the upper supporting beam, the two adjacent H-shaped steel columns are connected in a welding manner through the side supporting beams, and the steel skeleton structure is good in overall consistency and stability; a plurality of sections of H-shaped steel are connected into a whole through the hoops in the large-span steel beam, the plate spring supporting pieces are respectively arranged in the groove cavities on the two sides of the joint of the two sections of H-shaped steel, the joint of the two sections of H-shaped steel can be elastically supported, the connecting strength of the joint of the two sections of H-shaped steel is greatly increased, downward bending and settlement of the joint of the two sections of H-shaped steel are avoided, the large-span requirement can be met, the integral consistency of the large-span steel beam can be guaranteed, the structural strength and the bearing capacity are guaranteed, and the quality problem and the safety problem in the construction process are reduced.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic main sectional view of the ferrule and leaf spring support portion of fig. 3.
Fig. 5 is a schematic left sectional view of the ferrule and leaf spring support portion of fig. 3.
In the figure, 1, H-shaped steel, 2, a hoop, 3, a plate spring supporting piece, 4, an elastic arc-shaped steel plate, 5, a pin shaft, 6, a binding steel ring, 7, an arc-shaped turned edge, 8, a positioning nut, 9, a positioning bolt, 10, a large-span steel beam, 11, an H-shaped steel column, 12, a connecting piece, 13, an upper supporting beam, 14 and a side supporting beam.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-5, a cold-bending large-span steel skeleton structure, including a plurality of large-span steel beams 10 arranged in parallel, both ends of each large-span steel beam 10 are supported through H-shaped steel columns 11 respectively, each large-span steel beam 10 is formed by connecting a plurality of sections of H-shaped steel 1 at joints through connecting pieces 12 respectively, the joints of H-shaped steel 1 in two adjacent large-span steel beams 10 are staggered with each other, so as to enhance the torsion resistance and the tensile strength, an upper supporting beam 13 is arranged between the joint of H-shaped steel 1 of one large-span steel beam 10 and the H-shaped steel 1 of the other adjacent large-span steel beam 10, and a side supporting beam 14 is arranged between the two adjacent H-shaped steel columns 11. The two ends of the upper supporting beam 13 are respectively connected with the connecting piece 12 at the joint of the H-shaped steel 1 of one large-span steel beam 10 and the H-shaped steel 1 of the other large-span steel beam 10 in a welding mode, the two ends of the side supporting beams 14 are respectively connected with the two H-shaped steel columns 11 in a welding mode, and the formed steel skeleton structural frame is good in overall consistency and stability.
Connecting piece 12 establishes the cuff 2 in the adjacent two sections 1 seam crossing outsides of H shaped steel including fixed cover, and the both sides slot cavity of two sections 1 seam crossings of H shaped steel is equipped with leaf spring support piece 3 respectively, leaf spring support piece 3 is the arc downwarping setting by the center to both sides, and leaf spring support piece 3's center and two sections 1 seam coplanarity of H shaped steel, leaf spring support piece 3's center top and H shaped steel 1's roof contact, leaf spring support piece 3's both ends bottom and H shaped steel 1's bottom plate contact, and leaf spring support piece 3 fixes through installing positioning bolt 9 on cuff 2. The plate spring supporting piece 3 can elastically support the joint of the two sections of H-shaped steel 1, so that the joint of the two sections of H-shaped steel 1 is prevented from being bent downwards and settled, the requirement of large span is met, and the structural strength and the bearing capacity are ensured.
The hoop 2 comprises a square steel sleeve sleeved on the outer side of the joint of the two sections of H-shaped steel 1, the top of the square steel sleeve is fixedly connected with the top plate of the H-shaped steel through a plurality of bolts, and the bottom of the square steel sleeve is fixedly connected with the bottom plate of the H-shaped steel through a plurality of bolts. The hoop 2 is sleeved on the outer side of the joint of the two sections of H-shaped steel, the hoop is fixedly connected with the H-shaped steel through a plurality of bolts, and the two sections of H-shaped steel are connected into a whole outside, so that the connection strength of the joint of the two sections of H-shaped steel is greatly increased, and the overall consistency of the large-span steel beam is ensured.
The plate spring support piece 3 comprises a plurality of elastic arc-shaped steel plates 4 which are stacked together, the middle parts of the elastic arc-shaped steel plates 4 are fixedly connected through a pin shaft 5, the two sides of the elastic arc-shaped steel plates 4 are fixedly connected through a binding steel ring 6, and the elastic arc-shaped steel plates 4 are connected into a whole through the pin shaft 5 and the binding steel ring 6. When the joint of the two sections of H-shaped 1 steel is bent downwards for settlement, the plate spring supporting piece 3 can play a role in reverse supporting force so as to avoid the downward bending settlement of the joint, and the structural strength and the bearing capacity are ensured.
The lengths of the elastic arc-shaped steel plates 4 are sequentially increased from top to bottom, and the elastic supporting capacity can be superposed.
And arc-shaped curled edges 7 are arranged at two ends of the elastic arc-shaped steel plate 4 at the lowest part, and the arc-shaped curled edges 7 are in contact with the bottom plate of the H-shaped steel 1, so that the contact area can be increased.
The middle welding of the elastic arc-shaped steel plate 4 of the lowest side has a positioning nut 8, and a positioning bolt 9 penetrates through a side plate of the hoop 2 to be fixedly connected with the positioning nut 8, so that the plate spring supporting piece 3 is fixed, and the plate spring supporting piece 3 is prevented from displacing in a groove cavity of the H-shaped steel 1.
The length of the plate spring supporting piece 3 is larger than that of the hoop 2, so that the elastic supporting effect can be enhanced, and the joint of the two sections of H-shaped steel can be elastically supported better.
The working principle is as follows:
during construction, the installation of the large-span steel beam 10 is firstly completed on the ground: half of two plate spring support pieces 3 can be installed in the two side groove cavities of one of them H shaped steel 1 respectively earlier, plate spring support piece 3's center is adjusted well with H shaped steel 1's terminal surface, then overlap cuff 2 in the H shaped steel 1 outside, link firmly cuff 2 and H shaped steel 1's roof and bottom plate respectively through a plurality of bolt, rethread two positioning bolt 9 pass the curb plate of cuff 2 respectively and link firmly with two plate spring support piece 3's set nut 8, it is fixed with plate spring support piece 3, then insert another H shaped steel 1 in cuff 2 again, two half of two plate spring support piece 3 install respectively in the two side groove cavities of another H shaped steel 1, the tip butt joint of two H shaped steel 1, rethread a plurality of bolt links firmly cuff 2 and another H shaped steel 1's roof and bottom plate respectively, accomplish the connection of two H shaped steel 1. Then, a plurality of pieces of H-shaped steel 1 are sequentially connected to form a large-span steel beam 10 with the length of dozens of meters.
Then the installation of the steel skeleton structural frame is completed: firstly hoisting H-shaped steel columns 11 on the left two sides in the drawing 1 by using a truck crane, hoisting a left large-span steel beam 10 after taking place, fixing the left large-span steel beam 10 by using a steel wire rope without unhooking the crane after taking place, and welding and fixing the left H-shaped steel column 11 and the left large-span steel beam 10; then hoisting H-shaped steel columns 11 on the left two sides in the drawing 1 by using a truck crane, hoisting a left two large-span steel beam 10 after the steel columns are in place, welding and fixing the left two H-shaped steel columns 11 and the left two large-span steel beam 10, installing a support beam 13 between the left two large-span steel beams 10 without unhooking a crane after the steel columns are in place, installing a side support beam 14 between the left two H-shaped steel columns 11, welding and connecting two ends of the upper support beam 13 with a connecting piece 12 at the joint of the H-shaped steel 1 of the left one large-span steel beam 10 and the H-shaped steel 1 of the left two large-span steel beam 10 respectively, welding and connecting two ends of the side support beam 14 with the left two H-shaped steel columns 11 respectively, repeating the operations, and finishing the operations of the left three, the left four, the left five, the left six and the like according to the site construction condition, thereby forming a steel skeleton structure with good integral consistency and good stability.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. The utility model provides a cold-formed large-span reinforcing bar structural framework which characterized in that: including a plurality of large-span girder steels of parallel arrangement, the both ends of every large-span girder steel support through H shaped steel post respectively, every large-span girder steel forms through a plurality of sections H shaped steel are connected through the connecting piece in seam crossing respectively, the setting of crisscross each other of seam of H shaped steel in two adjacent large-span girder steels, be equipped with the supporting beam between the H shaped steel of the seam crossing of the H shaped steel of one of them large-span girder steel and another adjacent large-span girder steel, be equipped with the collateral branch supporting beam between two adjacent H shaped steel posts.
2. The cold-bending type large-span steel skeleton structure frame as claimed in claim 1, wherein: the connecting piece is equipped with leaf spring support piece including fixed cuff of establishing in the adjacent two sections H shaped steel seam crossing outside, the both sides slot cavity of two sections H shaped steel seam crossings department respectively, leaf spring support piece is the arc downwarping setting by the center to both sides, and leaf spring support piece's center and two sections H shaped steel's seam coplane, leaf spring support piece's central top and H shaped steel's roof contact, leaf spring support piece's both ends bottom and H shaped steel's bottom plate contact, and leaf spring support piece fixes through the positioning bolt who installs on the cuff.
3. The cold-bending type large-span steel skeleton structure frame of claim 2, wherein: the hoop comprises a square steel sleeve sleeved on the outer side of the joint of the two sections of H-shaped steel, the top of the square steel sleeve is fixedly connected with the top plate of the H-shaped steel through a plurality of bolts, and the bottom of the square steel sleeve is fixedly connected with the bottom plate of the H-shaped steel through a plurality of bolts.
4. The cold-bending type large-span steel skeleton structure frame of claim 2, wherein: the plate spring support piece comprises a plurality of elastic arc-shaped steel plates which are stacked together, the middle parts of the elastic arc-shaped steel plates are fixedly connected through a pin shaft, and the two sides of the elastic arc-shaped steel plates are fixedly connected through binding steel rings.
5. The cold-bending type large-span steel skeleton structure frame as claimed in claim 4, wherein: the lengths of the elastic arc-shaped steel plates are sequentially increased from top to bottom.
6. The cold-bending type large-span steel skeleton structure frame as claimed in claim 5, wherein: and arc-shaped curled edges are arranged at two ends of the elastic arc-shaped steel plate at the lowest part and are in contact with the bottom plate of the H-shaped steel.
7. The cold-bending type large-span steel skeleton structure frame as claimed in claim 5, wherein: and the middle part of the elastic arc-shaped steel plate at the lowest part is welded with a positioning nut, and the positioning bolt penetrates through the side plate of the hoop and is fixedly connected with the positioning nut.
8. The cold-bending type large-span steel skeleton structure frame of claim 2, wherein: the leaf spring support has a length greater than a length of the ferrule.
9. The cold-bending type large-span steel skeleton structure frame as claimed in claim 1, wherein: and two ends of the upper supporting beam are respectively connected with the connecting piece at the joint of the H-shaped steel of one large-span steel beam and the H-shaped steel of the other large-span steel beam in a welding manner.
10. The cold-bending type large-span steel skeleton structure frame as claimed in claim 1, wherein: and two ends of the side supporting beam are respectively connected with the two H-shaped steel columns in a welding manner.
CN202121211958.7U 2021-06-01 2021-06-01 Cold bending type large-span steel rib structure frame Expired - Fee Related CN214785316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121211958.7U CN214785316U (en) 2021-06-01 2021-06-01 Cold bending type large-span steel rib structure frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121211958.7U CN214785316U (en) 2021-06-01 2021-06-01 Cold bending type large-span steel rib structure frame

Publications (1)

Publication Number Publication Date
CN214785316U true CN214785316U (en) 2021-11-19

Family

ID=78699722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121211958.7U Expired - Fee Related CN214785316U (en) 2021-06-01 2021-06-01 Cold bending type large-span steel rib structure frame

Country Status (1)

Country Link
CN (1) CN214785316U (en)

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Granted publication date: 20211119

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