CN215331569U - Reinforcing structure for lifting large-span multi-truss - Google Patents
Reinforcing structure for lifting large-span multi-truss Download PDFInfo
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- CN215331569U CN215331569U CN202120936229.1U CN202120936229U CN215331569U CN 215331569 U CN215331569 U CN 215331569U CN 202120936229 U CN202120936229 U CN 202120936229U CN 215331569 U CN215331569 U CN 215331569U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The utility model discloses a reinforcing structure and a reinforcing method for lifting a large-span multi-truss, which are applied to the large-span multi-truss, wherein the reinforcing structure comprises a plurality of reinforcing units which are distributed at intervals along the length direction of the large-span multi-truss, each reinforcing unit comprises an outer frame, each outer frame comprises a plurality of outer frame rods, each outer frame rod is used for connecting two adjacent chord rods, and in each reinforcing unit, the plurality of outer frame rods are connected end to end or the plurality of outer frame rods are connected end to end with the web rods, so that the outer frame is closed. A large-span multi-truss lifting reinforcing structure is arranged in a large-span multi-truss, each outer frame rod can support the single truss, the load during lifting is dispersed to the chord members or the web members of the single truss from lifting hanging points, stress concentration at the lifting hanging points can be prevented, and deformation at the lifting hanging points is reduced.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a large-span multi-truss reinforcing structure for lifting.
Background
In recent years, more and more buildings with ultra-long span and ultra-long overhang adopt all-steel structural design. In order to meet the requirements of building functions, truss structures are widely applied to steel structure buildings and are complex structural systems consisting of a plurality of trusses. The structure is generally positioned at a high-altitude position, and in order to reduce the using amount of temporary supports, the mounting scheme mostly adopts a mounting method of ground in-situ assembly and integral lifting. However, for large-span and multiple trusses, due to large span and weight, stress concentration is likely to occur at the lifting points during the whole lifting process, so that the trusses are deformed and even damaged.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a reinforcing structure for lifting a large-span multi-truss, which can reduce deformation generated in the process of lifting the large-span multi-truss.
The reinforcing structure for lifting the large-span multi-truss provided by the embodiment of the utility model is applied to a large-span multi-truss, a plurality of single-truss are assembled to form the large-span multi-truss, a hollow structure is formed in the large-span multi-truss, the single-truss comprises a plurality of chord members which are arranged side by side along the length direction of the large-span multi-truss, at least part of adjacent chord members are connected through web members, the reinforcing structure comprises a reinforcing unit, the reinforcing unit is provided with a plurality of chord members and is distributed at intervals along the length direction of the large-span multi-truss, the reinforcing unit comprises an outer frame, the outer frame comprises a plurality of outer frame rods, the outer frame rods are used for connecting two adjacent chord members, in each reinforcing unit, the plurality of outer frame rods are connected end to end, or the plurality of outer frame rods are connected end to end with the web members, so that the outer frame is closed.
The large-span multi-truss reinforcing structure provided by the embodiment of the utility model at least has the following beneficial effects: a large-span multi-truss lifting reinforcing structure is arranged in a large-span multi-truss, each outer frame rod can support the single truss, the load during lifting is dispersed to the chord members or the web members of the single truss from lifting hanging points, stress concentration at the lifting hanging points can be prevented, and deformation at the lifting hanging points is reduced.
In some embodiments of the present invention, a plurality of the reinforcing units are respectively disposed at the end and the central position of the large-span multi-truss.
In some embodiments of the utility model, the outer frame posts are located within facades of the single truss, the outer frame posts being perpendicular to the chords.
In some embodiments of the present invention, two ends of the outer frame rod are respectively connected to two adjacent chords in the same single truss.
In some embodiments of the utility model, one end of the outer frame member is connected to the chord member and the other end of the outer frame member is connected to the web member.
In some embodiments of the present invention, the reinforcement unit further includes a diagonal brace located inside the outer frame, the diagonal brace being disposed obliquely with respect to the outer frame rods, and two ends of the diagonal brace are respectively connected to two opposite outer frame rods; or the two ends of the inclined stay bar are respectively connected with the outer frame rod and the web member which are opposite; or both ends of the inclined supporting rod are respectively connected with the two opposite web members.
In some embodiments of the present invention, the reinforcing unit further includes a straight brace located inside the outer frame, and two ends of the straight brace are respectively and vertically connected to two opposite outer frame rods; or two ends of the straight stay bar are respectively and vertically connected with the outer frame bar and the web member which are opposite; or the two ends of the straight stay bar are respectively and vertically connected with the two opposite web members; or the two ends of the straight supporting rod are respectively and vertically connected with the two opposite chords.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the following figures and examples, in which:
FIG. 1 is a front view of a large span, multiple trusses to which some embodiments of the present invention are applied;
FIG. 2 is a left side view of the large-span multiple trusses shown in FIG. 1;
FIG. 3 is a rear view of the large-span multi-truss shown in FIG. 1;
FIG. 4 is a right side view of the large-span multiple trusses shown in FIG. 1;
FIG. 5 is a schematic view of a large-span multi-truss reinforcing structure at the section A-A in FIG. 1;
FIG. 6 is a schematic view of a large-span multi-truss reinforcing structure at a section B-B in FIG. 1;
fig. 7 is a schematic view of a large-span multi-truss reinforcing structure at a section C-C in fig. 1.
Fig. 8 is a schematic view of an outer frame rod of the large-span multi-truss reinforcing structure of the large-span multi-truss shown in fig. 1;
fig. 9 is a schematic view of an outer frame rod of the large-span multi-truss reinforcing structure of the large-span multi-truss shown in fig. 1;
fig. 10 is a schematic view of an outer frame rod of the large-span multi-truss reinforcing structure of the large-span multi-truss shown in fig. 1;
fig. 11 is a schematic view of an outer frame rod of the large-span multi-truss reinforcing structure of the large-span multi-truss shown in fig. 1.
Reference numerals:
the large-span multi-truss structure comprises a reinforcing unit 100, an outer frame 110, an outer frame rod 111, an inclined strut 120, a straight strut 130, a large-span multi-truss 200, a single-truss 210, a chord 211, a web member 212 and a lifting point 220.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The reinforcing structure for lifting a large-span multi-truss provided by the embodiment of the utility model is applied to a large-span multi-truss 200, a plurality of single trusses 210 are spliced to form the large-span multi-truss 200, a hollow structure is formed inside the large-span multi-truss 200, the single-truss 210 comprises a plurality of chord members 211 which are arranged side by side along the length direction of the large-span multi-truss 200, at least part of adjacent chord members 211 are connected through web members 212, the reinforcing structure for lifting the large-span multi-truss comprises a reinforcing unit 100 which is provided with a plurality of chord members and is distributed at intervals along the length direction of the large-span multi-truss 200, the reinforcing unit 100 comprises an outer frame 110, the outer frame 110 comprises a plurality of outer frame rods 111, the outer frame rods 111 are used for connecting two adjacent chord members 211, the plurality of outer frame rods 111 are connected end to end in each reinforcing unit 100, or a plurality of frame members 111 are connected end to end with web members 212 to close the frame 110.
For example, referring to fig. 1 to 4, the large-span multi-truss 200 is formed by assembling a plurality of single-trusses 210, the interior of the large-span multi-truss 200 forms a hollow structure, the single-truss 210 includes a plurality of chords 211 arranged side by side in the longitudinal direction of the large-span multi-truss 200, and at least some of the adjacent chords 211 are connected by web members 212. As shown in fig. 5 to 7, the reinforcing unit 100 includes an outer frame 110, the outer frame 110 includes a plurality of outer frame rods 111, the outer frame rods 111 are used to connect two adjacent chords 211, and in each reinforcing unit 100, referring to fig. 5, the plurality of outer frame rods 111 are connected end to end, or referring to fig. 6 and 7, the plurality of outer frame rods 111 are connected end to end with web members 212, so as to close the outer frame 110. A large-span multi-truss hoisting reinforcing structure is installed inside the large-span multi-truss 200, each outer frame rod 111 can support the single-truss 210, and the load during hoisting is dispersed to the chord member or web member of the single-truss from the hoisting hanging point, so that the stress concentration at the hoisting hanging point can be prevented, and the deformation at the hoisting hanging point can be reduced.
It is understood that the connection position of both ends of the outer frame rod 111 can be adaptively adjusted according to the installation position of the reinforcement unit 100. For example, referring to fig. 8 and 9, since a single truss 210 has web members 212 obliquely crossing each other and the installation position of the reinforcing unit 100 overlaps the crossing point of the two web members 212, one end of the outer frame member 111 can be connected to the chord member 211 and the other end can be connected to the crossing point of the two web members 212; referring to fig. 10, one end of the outer frame member 111 may be connected to the chord member 211 and the other end may be connected to the web member 212; referring to fig. 11, both ends of the outer frame rod 111 may be connected to different chords 211 in the same single truss 210, and the like, and may be installed according to actual needs, so that the outer frame 110 may be closed. The rod pieces can be connected through welding, bolt connection and the like.
The plurality of reinforcing units 100 are provided at the ends and the center of the large-span multi-truss 200.
The plurality of reinforcing units 100 are respectively arranged at the end part and the middle part of the large-span multi-truss 200, and the reinforcing units 100 arranged at the two ends of the large-span multi-truss 200 can provide support for the end part of the large-span multi-truss 200 and reduce the deformation of an opening at the end part of the large-span multi-truss 200; the reinforcing unit 100 provided at the middle portion can support the middle portion of the large-span multi-truss 200, and can reduce the downward bending deformation generated at the middle portion due to the large span and the large weight of the large-span multi-truss 200 during the entire lifting process.
The outer frame rod 111 is located in the vertical surface of the single truss 210, and the outer frame rod 111 is perpendicular to the chord member 211.
For example, as shown in fig. 8 to 11, the outer frame rod 111 is located in the vertical surface of the single truss 210, the outer frame rod 111 can provide support for the vertical surface of the single truss 210, the outer frame rod 111 is perpendicular to the chord 211, the large-span multi-truss 200 is subjected to a vertically downward gravity force during the lifting process, and the outer frame rod 111 is perpendicular to the chord 211, so that the load can be well transmitted, the stress concentration can be prevented, and the deformation can be reduced.
Both ends of the outer frame rod 111 are connected to two adjacent chords 211 in the same single truss 210.
For example, as shown in fig. 11, both ends of the outer frame rod 111 are connected to two adjacent chords 211 in the same single truss 210, and the outer frame rod 111 can provide support for the two adjacent chords 211, disperse a load during lifting, and reduce deformation during lifting.
One end of outer frame 111 is connected to chord member 211, and the other end of outer frame 111 is connected to web member 212.
For example, as shown in fig. 8 to 10, one end of outer frame 111 is connected to chord member 211, and the other end of outer frame 111 is connected to web member 212, so that outer frame 111 can transmit the load on chord member 211 to web member 212, thereby preventing stress concentration on chord member 211. Referring to fig. 8 and 9, a single truss 210 has web members 212 crossing obliquely, and since the installation position of the reinforcing unit 100 overlaps the crossing of the two web members 212, one end of the outer frame member 111 can be connected to the chord member 211 and the other end can be connected to the crossing of the two web members 212; referring to fig. 10, one end of the outer frame member 111 may be connected to the chord member 211 and the other end may be connected to the web member 212.
It should be noted that the reinforcement unit 100 further includes a diagonal bar 120, the diagonal bar 120 is located inside the outer frame 110, the diagonal bar 120 is disposed in an inclined manner with respect to the outer frame 111, and two ends of the diagonal bar 120 are respectively connected to two opposite outer frame 111; or both ends of the diagonal brace 120 are respectively connected to the outer frame rod 111 and the web member 212; or the diagonal brace 120 is connected at both ends to two opposite web members 212, respectively.
For example, as shown in fig. 5 to 7, the reinforcement unit 100 further includes a diagonal brace 120, the diagonal brace 120 is located inside the outer frame 110, the diagonal brace 120 is disposed obliquely with respect to the outer frame rods 111, and two ends of the diagonal brace 120 are respectively connected to two opposite outer frame rods 111; or both ends of the diagonal brace 120 are respectively connected to the outer frame rod 111 and the web member 212; or the diagonal brace 120 is connected at both ends to two opposite web members 212, respectively. The diagonal brace 120 is combined with the chord member 211, the web member 212, and the outer frame member 111 to form a triangular structure, thereby improving the stability of the outer frame 110 and enhancing the reinforcing effect.
It should be noted that, the reinforcement unit 100 further includes a straight brace 130, the straight brace 130 is located inside the outer frame 110, and two ends of the straight brace 130 are respectively and vertically connected to two opposite outer frame rods 111; or the two ends of the straight stay bar 130 are respectively and vertically connected with the outer frame bar 111 and the web member 212 which are opposite; or the two ends of the straight stay bar 130 are respectively and vertically connected with the two opposite web members 212; or the straight stay 130 is vertically connected at both ends to two opposite chords 211, respectively.
For example, as shown in fig. 5 to 7, the reinforcement unit 100 further includes a straight brace 130, the straight brace 130 is located inside the outer frame 110, referring to fig. 5 and 6, two ends of the straight brace 130 are respectively connected to two opposite chords 211, and the straight brace 130 is perpendicular to the chords 211; referring to fig. 7, the two ends of the straight strut 130 are connected to two opposite web members 212, respectively, and the straight strut 130 is perpendicular to the web members 212. The straight stay 130 can provide vertical support, and in the lifting process, the large-span multi-truss 200 is subjected to the action of vertical downward gravity, so that the straight stay 130 can better transfer load, prevent stress concentration and reduce deformation.
It can be understood that both ends of the straight brace 130 can also be connected to two opposite outer frame rods 111, or opposite outer frame rods 111 and web members 212, respectively, and the straight brace 130 is perpendicular to the connected outer frame rods 111, web members 212, or chord members 211, and the position of the straight brace 130 can be set according to actual requirements.
It is understood that the above-mentioned connecting members, such as the chord member 211 and the outer frame member 111, the web member 212 and the outer frame member 111, the diagonal brace 120 and the chord member 211, the straight brace 130 and the chord member 211, can be the same cross-section members, and are easy to be positioned during welding, and the welding seam is located on the outer side surface to facilitate the welding operation.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (7)
1. A large-span multi-truss reinforcing structure is applied to a large-span multi-truss, a plurality of single trusses are assembled to form the large-span multi-truss, a hollow structure is formed inside the large-span multi-truss, the single trusses comprise a plurality of chord members which are arranged side by side along the length direction of the large-span multi-truss, and at least part of adjacent chord members are connected through web members, and the large-span multi-truss reinforcing structure is characterized by comprising:
and the reinforcing unit is provided with a plurality of reinforcing units and distributed along the length direction of the large-span multi-truss trusses at intervals, each reinforcing unit comprises an outer frame, each reinforcing unit comprises a plurality of outer frame rods, each outer frame rod is used for connecting two adjacent chords, and a plurality of outer frame rods are connected end to end or a plurality of outer frame rods are connected end to end with the web members so that the outer frames are closed.
2. The reinforcing structure for lifting a large-span multiple trusses according to claim 1, wherein a plurality of said reinforcing units are provided at end portions and central positions of said large-span multiple trusses.
3. The reinforcing structure for hoisting a large-span multiple trusses according to claim 1, wherein said outer frame member is positioned in a facade of said single truss, and said outer frame member is perpendicular to said chord member.
4. The reinforcing structure for lifting a large-span multi-truss according to claim 1, wherein both ends of said outer frame rod are connected to two adjacent chords in the same single truss, respectively.
5. The large-span, multi-truss reinforcing structure as recited in claim 1, wherein one end of said outer frame member is connected to said chord member, and the other end of said outer frame member is connected to said web member.
6. The large-span multi-truss reinforcing structure as recited in claim 1, wherein said reinforcing unit further comprises a diagonal brace, said diagonal brace is located inside said outer frame, said diagonal brace is disposed obliquely with respect to said outer frame, and both ends of said diagonal brace are respectively connected to two opposite said outer frame rods; or the two ends of the inclined stay bar are respectively connected with the outer frame rod and the web member which are opposite; or both ends of the inclined supporting rod are respectively connected with the two opposite web members.
7. The large-span multi-truss reinforcing structure as recited in claim 1, wherein said reinforcing unit further comprises a straight brace, said straight brace is located inside said outer frame, and two ends of said straight brace are respectively connected to two opposite said outer frame rods vertically; or two ends of the straight stay bar are respectively and vertically connected with the outer frame bar and the web member which are opposite; or the two ends of the straight stay bar are respectively and vertically connected with the two opposite web members; or the two ends of the straight supporting rod are respectively and vertically connected with the two opposite chords.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936229.1U CN215331569U (en) | 2021-04-30 | 2021-04-30 | Reinforcing structure for lifting large-span multi-truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936229.1U CN215331569U (en) | 2021-04-30 | 2021-04-30 | Reinforcing structure for lifting large-span multi-truss |
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| Publication Number | Publication Date |
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| CN215331569U true CN215331569U (en) | 2021-12-28 |
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|---|---|---|---|
| CN202120936229.1U Active CN215331569U (en) | 2021-04-30 | 2021-04-30 | Reinforcing structure for lifting large-span multi-truss |
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2021
- 2021-04-30 CN CN202120936229.1U patent/CN215331569U/en active Active
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