CN212984715U - Temporary supporting device for large-span grid structure one-by-one accumulated sliding construction - Google Patents
Temporary supporting device for large-span grid structure one-by-one accumulated sliding construction Download PDFInfo
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- CN212984715U CN212984715U CN202021016927.1U CN202021016927U CN212984715U CN 212984715 U CN212984715 U CN 212984715U CN 202021016927 U CN202021016927 U CN 202021016927U CN 212984715 U CN212984715 U CN 212984715U
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Abstract
The utility model provides a temporary supporting device for large-span net rack structure strip-by-strip accumulation sliding construction, which comprises a slide rail, wherein two ends of the slide rail are arranged on the main structure of a building, a net rack unit can be loaded above the slide rail, and the net rack unit can be assembled at a splicing platform and spliced to form a net rack structure after being guided to a design position by the slide rail; the slide rail is provided with a plurality of vertical load support position, bearing structure's bottom sets up on the ground support component, the top of ground support component is connected and is born bearing structure's vertical load solves the interim support body of slide rail and has higher requirement and the not satisfied construction difficult problem that leads to of the requirement of the bearing capacity of venue self ground, aims at ensuring that large-span rack structure reduces the construction degree of difficulty, reduces the time limit for a project and reduces construction cost on the basis of the safe construction that slides of accumulation one by one.
Description
Technical Field
The application relates to rack construction equipment field especially relates to a temporary support device of large-span spatial grid structure strip-by-strip accumulation construction of sliding.
Background
The net frame is a space structure system consisting of steel members (steel pipes or angle steels) and connecting fittings thereof, and the net frame structure has the characteristics of high rigidity, good integrity, strong shock resistance, light dead weight and the like, so that the net frame is widely applicable to buildings with various spans and plane shapes.
The construction technology of various net racks is one of the common construction technologies of the net racks, and the construction technology of accumulated sliding one by one refers to an installation construction technology of splicing the divided net rack units into a whole on a preset slide rail in a single or one by one sliding mode to a preset position. Because the net rack is overhead operation in the construction process by the strip-by-strip accumulated sliding construction technology, the construction inside the building is not influenced, the installation of the net rack and other construction at the lower part can be synchronously operated in a three-dimensional way, the construction progress can be accelerated, the construction period is shortened, and a large-scale hoisting device is not required to be relied on, therefore, the strip-by-strip accumulated sliding construction technology has the advantages of reducing the size of the support frame, quickly moving the platform, having low construction measure cost, better overcoming the difficulty of high-altitude in-situ operation and the like, and is widely applied to the net rack construction of large-span buildings such as.
To the venue construction project of large-span, need set up interim support for the slide rail usually, conventional practice is to set up the temporary support of bed-jig as the slide rail in the middle of the venue, however, discover in actual load accounting and work progress, the interim support body of slide rail has higher requirement to the ground bearing capacity, and the ground of actual job site often does not possess the ground that satisfies ground bearing capacity requirement, because the bearing capacity of venue self ground can not satisfy the requirement, construction scheme is difficult to go on smoothly, if carry out basic processing to the ground, not only the degree of difficulty is big, the cycle length, still need each professional cross construction, consequently, need a construction simply, convenient device satisfies the construction requirement of interim support body urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a long-span spatial grid structure is accumulated the interim strutting arrangement who slides construction one by one, the interim support body of solving the slide rail has higher requirement and the unsatisfactory construction difficult problem that leads to of bearing capacity of venue self ground, aims at ensuring that long-span spatial grid structure is accumulated one by one and slides the basis of safe construction, reduces the construction degree of difficulty, reduces the time limit for a project and reduces construction cost.
A temporary supporting device for strip-by-strip accumulated sliding construction of a large-span grid structure comprises: the two ends of the slide rail are arranged on a main body structure of a building, a net rack unit can be borne above the slide rail, and the net rack unit can be assembled at a splicing platform and spliced to form a net rack structure after being guided to a designed position by the slide rail; the slide rail is provided with a plurality of vertical load support positions, vertical load support position follows the length direction interval of slide rail sets up be provided with a plurality of ground support component on the ground of building, the slide rail with be provided with bearing structure between the ground support component, bearing structure's top is connected and is born the vertical load support position of slide rail, bearing structure's bottom sets up on the ground support component, the top of ground support component is connected and is born bearing structure's vertical load.
Preferably, the foundation support member comprises a reinforced concrete cast-in-place pile, and a pile foundation of the reinforced concrete cast-in-place pile in the foundation support member is connected with soil between piles of the foundation of the building to form an integral stressed structure.
Preferably, the foundation support member further comprises a steel plate arranged at the top of the reinforced concrete cast-in-place pile, the diameter of the steel plate is smaller than or equal to that of the reinforced concrete cast-in-place pile, and the bottom surface of the steel plate is attached to the top surface of the reinforced concrete cast-in-place pile.
Preferably, the steel plate is provided with four anchor bolt holes, and the anchor bolt holes are arranged on the steel plate in a rectangular array.
Preferably, the reinforced concrete cast-in-place pile is provided with a plurality of reserved steel bars, the reserved steel bars are arranged in a circular ring array mode through a center shaft of the reinforced concrete cast-in-place pile, and the reserved steel bars are arranged on the radial outer side of the steel plate on the cross section. Preferably, the slide rail with bearing structure between the ground support component includes the support frame body, the top of supporting the frame body connects to the vertical load support position of slide rail, the bottom of supporting the frame body is provided with at least one supporting part, the supporting part with welded fastening between the steel sheet.
Preferably, the bottom of the supporting part is provided with a bending fixing part, the bottom surface of the bending fixing part is attached to the top surface of the steel plate, and a fixing anchor bolt is arranged between the bending fixing part and the steel plate.
Preferably, each support frame body comprises four support parts, and the bottom of each support part is provided with one reinforced concrete cast-in-place pile.
Preferably, the supporting part of the supporting frame body comprises two groups of I-shaped steel structures, each group of the supporting parts is respectively arranged at two ends of each I-shaped steel, and the bottom surface of the bending fixing part is the lower surface of each I-shaped steel.
Compared with the prior art, the utility model discloses following beneficial effect has: in the construction process that slides of large-span spatial grid structure, through set up the load that ground support member isotructure carried rack and slide rail on the ground of rack and slide rail below building, the problem that the slide rail relies on the temporary support body of direct mount on the ground among the prior art and ground bearing capacity is difficult to satisfy the requirement usually has been solved, the problem that leads to that needs carry out basic processing to the ground in having avoided traditional construction mode, can be on the basis of guaranteeing large-span spatial grid structure accumulation safe construction that slides one by one, reduce the construction degree of difficulty, reduce the time limit for a project and reduce construction cost, it is simple to have the construction, it is convenient, unload advantages such as simple, can ensure construction quality, the time limit for a project and practice thrift beneficial effect such as construction cost.
Drawings
Fig. 1 is a schematic structural view of the temporary supporting device for the large-span grid structure of the present invention, which is used for cumulative sliding construction one by one;
FIG. 2 is a schematic view of the steel plate connection mode in the temporary support device for the large-span grid structure of the present invention, which is constructed by accumulating sliding one by one;
fig. 3 is a schematic view of another steel plate connection mode in the temporary support device for large-span grid structure gradual accumulation slippage construction of the present invention;
fig. 4 is the utility model discloses the temporary support arrangement's of the construction of sliding of strip-by-strip accumulation installation schematic diagram is arranged to large-span spatial grid structure.
The reference numbers are as follows: a foundation support member-1; a reinforced concrete cast-in-place pile-2; a support frame body-3; steel plate-4; anchor bolt hole-5; reserving a steel bar-6; a fixed anchor-7; main structure-8 of the building; splicing the platform-9; a vertical load support location-10; a support structure-11.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without any creative effort belong to the protection scope of the present application.
This embodiment large-span spatial grid structure is accumulated interim strutting arrangement of construction that slides one by one aims at solving the interim support frame body of slide rail and has higher requirement and the unsatisfactory construction difficult problem that leads to of bearing capacity of building self ground, aims at ensuring on the basis of large-span spatial grid structure one by one accumulation safety construction that slides, reduces the construction degree of difficulty, reduces the time limit for a project and reduces construction cost.
As shown in fig. 1 to 4, the temporary supporting device for the large-span grid structure gradual accumulation sliding construction of this embodiment includes a sliding rail disposed between the main structures 8 of the building, two ends of the sliding rail are disposed on the main structures 8 of the building, the main structures 8 of the building may be building load bearing structures located at two ends in the direction of the sliding rail span, including but not limited to concrete beams, main beams, sub-beams, and supporting steel columns of the building, a grid unit can be supported above the sliding rail, the grid unit can be assembled and spliced at a splicing platform 9, and then spliced to form a grid structure after being guided to a designed position by the sliding rail, the sliding rail is provided with a plurality of vertical load supporting portions 10, the vertical load supporting portions 10 are disposed at intervals along the length direction of the sliding rail, the vertical load supporting portions 10 serve as vertical load bearing points of the sliding rail and share the weight of the sliding rail and the grid on the sliding, be provided with a plurality of ground support members 1 on the ground of building, as a preferred embodiment, ground support member 1 includes reinforced concrete bored concrete pile 2, the pile foundation of reinforced concrete bored concrete pile 2 among the ground support member 1 is connected with the soil between the pile of the ground of building and is formed whole atress structure, through the ground at the building with pile foundation and soil union between the pile foundation, form a whole atress form of constituteing by reinforced concrete bored concrete pile 2 and ground, can effectively replace and undertake the unable load that bears of the original ground of building, and need not to carry out whole transformation to original ground and can guarantee engineering quality, it is simple and easy swift to have the construction, beneficial effect such as construction cost is low.
In the embodiment, after the foundation support components 1 such as the reinforced concrete cast-in-place piles 2 and the like are arranged, the load bearing capacity of the original foundation can be improved, according to the content of geotechnical engineering exploration reports of project construction, the design value of the foundation bearing capacity of a building is 120KPa, the support structure of the slide rail needs the foundation bearing capacity of at least 200KPa, the original foundation bearing capacity of the building does not meet the foundation bearing capacity required by the support structure of the slide rail, in order to avoid foundation transformation of the original foundation of the building, the support structure 11 is arranged between the slide rail and the foundation support components 1, the top of the support structure 11 is connected with and bears the vertical load supporting part 10 of the slide rail, the bottom of the support structure 11 is arranged on the foundation support components 1, the top of the foundation support components 1 is connected with and bears the vertical load of the support structure 11, and the structures such as the foundation support components 1 are arranged on the foundation of the building below the slide Load of slide rail, the problem of among the prior art slide rail rely on the temporary support body of direct mount on the ground and ground bearing capacity is difficult to satisfy the requirement usually has been solved, the problem that leads to that needs carry out basic processing to the ground in having avoided traditional construction mode, can be on the basis of guaranteeing that long-span spatial grid structure is one by one the accumulation safety construction that slides, reduce the construction degree of difficulty, reduce the time limit for a project and reduce construction cost, it is simple to have the construction, convenient, dismantle advantages such as simple, construction quality can be ensured, the time limit for a project and practice thrift beneficial effect such as construction cost.
In order to provide convenient and firm construction, the foundation support component 1 further comprises a steel plate 4 arranged at the top of the reinforced concrete cast-in-place pile 2, the diameter of the steel plate 4 is smaller than or equal to that of the reinforced concrete cast-in-place pile 2, in the embodiment, the diameter of the steel plate 4 is the same as that of the reinforced concrete cast-in-place pile 2, the thickness of the steel plate 4 is 20mm, the bottom surface of the steel plate 4 is attached and connected with the top surface of the reinforced concrete cast-in-place pile 2, wherein four anchor bolt holes 5 are formed in the steel plate 4, and the anchor bolt holes 5 are arranged on the steel plate 4;
in this embodiment, a plurality of reserved steel bars 6 are further arranged at the top of the reinforced concrete cast-in-place pile 2 for connection between structures, the reserved steel bars 6 are arranged in a circular array by using a central shaft of the reinforced concrete cast-in-place pile 2, and the reserved steel bars 6 are arranged on the radial outer side of the steel plate 4 on the cross section of the reinforced concrete cast-in-place pile 2; in this embodiment, the steel plate 4 and the reinforced concrete cast-in-place pile 2 are fixed by 4 chemical anchor bolts of 20 x 260mm, the anchor bolt holes 5 are 160mm deep and have a hole diameter of 24 mm. In this embodiment, the supporting structure 11 between the slide rail and the foundation support member 1 includes a supporting frame body 3, the top of the supporting frame body 3 is supported to the vertical load supporting portion 10 of the slide rail, the supporting frame body 3 in this embodiment may be a supporting frame disposed below the slide rail, and has a plurality of supporting feet, that is: the bottom of the support frame body 3 is provided with at least one support part, the support part and the steel plate 4 are welded and fixed, as a preferred embodiment, the bottom of the support part is provided with a bending fixing part, the bottom surface of the bending fixing part is attached to the top surface of the steel plate 4, a fixing anchor bolt 7 is arranged between the bending fixing part and the steel plate 4, each support frame body 3 comprises four support parts, the bottom of each support part is provided with a reinforced concrete cast-in-place pile 2, in the embodiment, the supporting part of the supporting frame body 3 comprises two groups of I-shaped steel structures, two ends of each group of I-shaped steel are respectively provided with a supporting part, the lower surface of the I-shaped steel is the bottom surface of the bending fixing part, in the embodiment, the I-shaped steel is used as the bottom structure of the supporting structure 11, which can be firmly connected with the steel plate 4 below the supporting structure, meanwhile, the I-shaped steel is easy to obtain on a construction site, and the construction difficulty and the construction cost can be further reduced.
The construction working process of the embodiment is as follows: drilling holes for connecting a steel plate 4, which correspond to anchor bolt holes 5 on the steel plate 4, on a reinforced concrete cast-in-place pile 2, wherein the hole diameter is 24mm, the hole depth is 165mm and the bolt diameter is 20mm, the holes are drilled in a percussion drilling mode, after the holes are drilled, dust in the holes is cleaned by a special air cylinder, a brush or a compressed air machine, the dust cleaning operation is repeatedly carried out for at least 3 times, no dust and open water exist in the holes, the surfaces of bolts are clean, dry and free of oil dirt, the glass tube anchoring package is confirmed to have no abnormal phenomena of appearance damage, medicament solidification and the like, round heads of the glass tube anchoring package are placed into anchoring holes inwards and pushed to the bottom of the holes, an electric drill and a special mounting clamp are used for inserting a screw rod into the bottom of the holes in a powerful rotating mode without adopting an impact mode, when the glass tube anchoring package is rotated to the bottom of the holes or the marked positions on the bolts, the glass tube anchoring package is immediately, in order to avoid the influence of glue solution loss caused by overtime rotation on anchoring force, the rotation time is not more than 30 seconds, the rotation speed is not less than 300 rpm and not more than 750 rpm, the bolt propelling speed is about 2 cm/sec, after the chemical anchor bolt is implanted for 24 hours, a steel plate 4 is installed, 3 high-strength nuts are adopted, and the leakage length of the bolt is not less than 50 mm. After the column bottom plate is fixed, paying off the column bottom plate, and finally welding the upright post of the support frame body 3 on the steel plate 4 according to a control line to finish construction.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the true scope of the embodiments of the present application.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the embodiments of the present application and their equivalents, the embodiments of the present application are also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a temporary strutting arrangement of construction that slides is accumulated one by one to large-span spatial grid structure, includes the slide rail, the both ends setting of slide rail is in the major structure of building, the top of slide rail can bear the weight of rack unit, the rack unit can be in splicing platform department equipment and by the slide rail guide to splice behind the design position and form spatial grid structure, its characterized in that: the slide rail is provided with a plurality of vertical load support positions, vertical load support position follows the length direction interval of slide rail sets up be provided with a plurality of ground support component on the ground of building, the slide rail with be provided with bearing structure between the ground support component, bearing structure's top is connected and is born the vertical load support position of slide rail, bearing structure's bottom sets up on the ground support component, the top of ground support component is connected and is born bearing structure's vertical load.
2. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 1, characterized in that: the foundation support component comprises a reinforced concrete cast-in-place pile, and the pile foundation of the reinforced concrete cast-in-place pile in the foundation support component is connected with the soil between the piles of the foundation of the building to form an integral stressed structure.
3. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 2, characterized in that: the foundation support component further comprises a steel plate arranged at the top of the reinforced concrete cast-in-place pile, the diameter of the steel plate is smaller than or equal to that of the reinforced concrete cast-in-place pile, and the bottom surface of the steel plate is attached to and connected with the top surface of the reinforced concrete cast-in-place pile.
4. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 3, characterized in that: the steel plate is provided with four anchor bolt holes which are arranged on the steel plate in a rectangular array.
5. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 4, wherein: the reinforced concrete cast-in-place pile is provided with a plurality of reserved steel bars, the reserved steel bars are arranged in a circular ring array mode through a center shaft of the reinforced concrete cast-in-place pile, and the reserved steel bars are arranged on the radial outer side of the steel plate on the cross section.
6. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 5, wherein: the slide rail with bearing structure between the ground support component is including supporting the support body, the top of supporting the support body connect to the vertical load support position of slide rail, the bottom of supporting the support body is provided with at least one supporting part, the supporting part with welded fastening between the steel sheet.
7. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 6, wherein: the bottom of supporting part is provided with the fixed part of bending, the bottom surface of the fixed part of bending with the top surface of steel sheet is laminated each other, the fixed part of bending with be provided with the fixing crab-bolt between the steel sheet.
8. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 7, wherein: each support frame body includes four supporting parts, and the bottom of each supporting part all is provided with one reinforced concrete bored concrete pile.
9. The temporary supporting device for the large-span net rack structure accumulated slip construction one by one according to claim 8, wherein: the supporting part of the supporting frame body comprises two groups of I-shaped steel structures, each group of the supporting parts is provided with a supporting part at each of two ends of the I-shaped steel, and the bottom surface of the bending fixing part is the lower surface of the I-shaped steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016927.1U CN212984715U (en) | 2020-06-05 | 2020-06-05 | Temporary supporting device for large-span grid structure one-by-one accumulated sliding construction |
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| CN202021016927.1U CN212984715U (en) | 2020-06-05 | 2020-06-05 | Temporary supporting device for large-span grid structure one-by-one accumulated sliding construction |
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| CN212984715U true CN212984715U (en) | 2021-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412197A (en) * | 2022-03-10 | 2022-04-29 | 安徽伟宏钢结构集团股份有限公司 | Net rack assembling process |
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2020
- 2020-06-05 CN CN202021016927.1U patent/CN212984715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412197A (en) * | 2022-03-10 | 2022-04-29 | 安徽伟宏钢结构集团股份有限公司 | Net rack assembling process |
| CN114412197B (en) * | 2022-03-10 | 2023-11-17 | 安徽伟宏钢结构集团股份有限公司 | Net frame assembling process |
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