CN204001217U - Large-span steel girder syndeton - Google Patents
Large-span steel girder syndeton Download PDFInfo
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- CN204001217U CN204001217U CN201420286720.4U CN201420286720U CN204001217U CN 204001217 U CN204001217 U CN 204001217U CN 201420286720 U CN201420286720 U CN 201420286720U CN 204001217 U CN204001217 U CN 204001217U
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- linkage section
- section
- steel girder
- span steel
- syndeton
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 230000007423 decrease Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of large-span steel girder syndeton.This large-span steel girder syndeton comprises the first linkage section (10) and the second linkage section (20), between the first linkage section (10) and the second linkage section (20), by connector (40), is fixedly connected with.According to large-span steel girder syndeton of the present utility model, can improve the packaging efficiency of multistage girder steel syndeton, and can effectively guarantee the integrated connection quality of girder steel syndeton.
Description
Technical field
The utility model relates to a kind of large-span steel girder syndeton.
Background technology
Large-span space structure has from the advantage such as heavy and light, good economy performance, good rigidity, anti-seismic performance be good, it generally has three-dimensional mechanical characteristic, and internal force is even, to concentrate on and dispersiveness stronger, so can bear well asymmtric load or larger concentrated load, integral rigidity is large.
Current most of large-span steel girder syndeton all adopts the making such as steel, because the space hold of steel beam structure is larger, for the ease of transportation, is generally divided into multistage, waits and reaches behind transportation place, at the scene many steel structure girders is connected by welding.But due to restrictions such as the application place of large-span steel girder syndeton and aids, the welding sequence of multistage girder steel syndeton is more consuming time, and weld seam detection difficulty is larger, welding quality is difficult to guarantee.
Utility model content
A kind of large-span steel girder syndeton is provided in the utility model embodiment, can improves the packaging efficiency of multistage girder steel syndeton, and can effectively guarantee the integrated connection quality of girder steel syndeton.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of large-span steel girder syndeton, and large-span steel girder syndeton comprises the first linkage section and the second linkage section, between the first linkage section and the second linkage section, by connector, is fixedly connected with.
Further, large-span steel girder syndeton also comprises the 3rd linkage section, and the first linkage section is connected to the first end of the second linkage section, and the 3rd linkage section is connected to the second end of the second linkage section, between the 3rd linkage section and the second linkage section, by connector, is connected.
Further, the first linkage section, the second linkage section and/or the 3rd linkage section are all variable cross-section along its length.
Further, successively decrease in the cross section of the first linkage section, and the first end of the second linkage section is connected to the small bore end of the first linkage section, and the first end of the second linkage section successively decreases along the direction cross section near the first linkage section.
Further, successively decrease in the cross section of the 3rd linkage section, and the second end of the second linkage section is connected to the small bore end of the 3rd linkage section, and the second end of the second linkage section successively decreases along the direction cross section near the 3rd linkage section.
Further, connector is high-strength bolt, stainless steel bolt or pin.
Further, connector is rivet, and rivet is between the first linkage section and the second linkage section and between the 3rd linkage section and the second linkage section.
Further, the second linkage section, the first linkage section and the 3rd linkage section are " work " word steel or " H " shaped steel.
Further, the link of the link of the first linkage section, the 3rd linkage section and the link of the second linkage section are all fixedly installed junction plate, and connector is connected on two adjacent junction plates.
Further, between junction plate and the linkage section at this junction plate place, be provided with reinforcing rib.
Apply embodiment of the present utility model, large-span steel girder syndeton comprises the first linkage section and the second linkage section, between the first linkage section and the second linkage section, by connector, is fixedly connected with.When the overall structure of assembling large-span steel girder syndeton, owing to being to connect by connector between each several part linkage section, but not by being welded to connect, therefore lower for the requirement of job site, can realize the quick connection between each linkage section, and without detecting the operations such as weld seam, reduced the assembling difficulty of large-span steel girder syndeton, effectively guaranteed the integrated connection quality of large-span steel girder syndeton.
Accompanying drawing explanation
Fig. 1 is the integral body assembling schematic diagram of the large-span steel girder syndeton of the utility model embodiment;
Fig. 2 is the structure for amplifying schematic diagram at the L place of Fig. 1.
Description of reference numerals
10, the first linkage section; 20, the 3rd linkage section; 30, the second linkage section; 40, connector; 50, junction plate; 60, reinforcing rib.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Fig. 1 is the overall structure schematic diagram of the large-span steel girder syndeton of the utility model embodiment.As shown in Figure 1, large-span steel girder syndeton comprises between the first linkage section 10 and the second linkage section 20, the first linkage sections 10 and the second linkage section 20 and being fixedly connected with by connector 40.
When large-span steel girder syndeton being carried out to overall structure assembling, owing to being to connect by connector 40 between each several part linkage section, but not by being welded to connect, therefore in terms of existing technologies, scheme in the application is lower for the requirement of job site, can realize the quick connection between each linkage section, after the connection that completes each linkage section also without detecting the operations such as weld seam, syndeton between can each linkage section of direct-detection, saved checkout equipment, also reduced operation, reduced cost, in addition, also effectively reduce the assembling difficulty of large-span steel girder syndeton, guaranteed the integrated connection quality of large-span steel girder syndeton.
For large-span steel girder syndeton in the application, because it is still divided into a plurality of independently linkage sections, therefore still can be at processing site directly by the syndeton of each linkage section, each linkage section and after connector machines accordingly, be transported to again job site and assembled, therefore can't be affected the transport performance of large-span steel girder syndeton.And because each linkage section all can be processed separately, therefore more can guarantee the syndeton between each linkage section, thereby guarantee that each linkage section connects switching performance afterwards.
Large-span steel girder syndeton also comprises the 3rd linkage section 30, the first linkage section 10 is connected to the first end of the second linkage section 20, the 3rd linkage section 30 is connected to the second end of the second linkage section 20, between the 3rd linkage section 30 and the second linkage section 20, by connector 40, is connected.Large-span steel girder syndeton is not limited to the syndeton of above-described two linkage sections or three linkage sections; can be applied to have the syndeton of more linkage sections; as long as it has adopted above-mentioned design philosophy, within all should being included in the application's protection domain.
The first linkage section 10, the second linkage section 20 and/or the 3rd linkage section 30 are all variable cross-section along its length.In three linkage sections, be one of at least variable cross-section, can, guaranteeing, on the basis of force structure, to reduce the deadweight of linkage section self, improve the overall performance of large-span steel girder syndeton.
Preferably, successively decrease in the cross section of the first linkage section 10, and the second linkage section 20 is connected to the small bore end of the first linkage section 10, and the first end of the second linkage section 20 successively decreases along the direction cross section near the first linkage section 10.
Preferably, successively decrease in the cross section of the 3rd linkage section 30, and the second linkage section 20 is connected to the small bore end of the 3rd linkage section 30, and the second end of the second linkage section 20 successively decreases along the direction cross section near the 3rd linkage section 30.
In the present embodiment, all successively decrease in the cross section of the first linkage section 10 and the 3rd linkage section 30, and the second linkage section 20 successively decreases in cross section from the middle to both ends.
In the present embodiment, in order to obtain better structural performance, by the mechanical characteristic of large-span steel girder syndeton is analyzed, to the first linkage section 10, the 3rd linkage section 30 and the second linkage section 20 all carry out variable cross-section processing, make the first linkage section 10, the link cross section of the 3rd linkage section 30 and the second linkage section 20 is all little than existing cross section, the stressed middle part that mainly concentrates on the second linkage section 20 due to large-span steel girder syndeton, one end away from the second linkage section 20 of the first linkage section 10, and one end away from the second linkage section 20 of the 3rd linkage section 30, the link position of the first linkage section 10 and the second linkage section 20, and the link position place of the 3rd linkage section 30 and the second linkage section 20 is stressed all less, therefore, successively decreased with the position that the second linkage section 20 is connected to it in the cross section of the first linkage section 10, can't affect the structural strength of the first linkage section 10, the 3rd linkage section 30 and the second linkage section 20 are to be also all set to variable cross-section based on this meaning reason, after each link is carried out to variable cross-section processing, can be on the basis of overall construction intensity that guarantees large-span steel girder syndeton, alleviate the deadweight of large-span steel girder syndeton, and can save material, reduce costs.
Connector 40 is dismountable connectors such as high-strength bolt, stainless steel bolt or pin, can be also the connector of other non-dismountable formulas, and in the present embodiment, this connector 40 is high-strength bolt.Dismountable connector 40, after completing connection, if when corrosion or wear damage occur connector 40, can change in time, can reduce maintenance cost, and guarantee the long application life of large-span steel girder syndeton.
In a unshowned embodiment, connector 40 is rivet, and rivet is between the first linkage section 10 and the second linkage section 20 and between the 3rd linkage section 30 and the second linkage section 20.
In the present embodiment, the second linkage section 20, the first linkage section 10 and the 3rd linkage section 30 are " work " word steel or " H " shaped steel.
For the ease of connecting between each linkage section, preferably, the link of the link of the first linkage section 10, the 3rd linkage section 30 and the link of the second linkage section 20 are all fixedly installed junction plate 50, and connector 40 is connected on two adjacent junction plates 50.Junction plate 50 can be welded on corresponding linkage section, also can be fixedly connected with mode by other and be fixedly connected on corresponding linkage section.Junction plate 50 can increase the connection area of each linkage section, thereby makes the layout of connector 40 have enough spaces, is more convenient to operation and the setting of connector 40.Connector 40 can be uniformly distributed at the edge of junction plate 50 for a plurality of, thereby can strengthen the bonding strength between two adjacent linkage sections.
For the bonding strength between reinforced company's fishplate bar 50 and the linkage section at its place, preferably, between junction plate 50 and the linkage section at this junction plate 50 places, be provided with reinforcing rib 60.
Processing and the assembling process of the large-span steel girder syndeton in the present embodiment are as follows: first in processing factory, process the first linkage section 10, the 3rd linkage section 30 and the second linkage section 20, and be welded to connect plate 50 at the linkage section of each linkage section, and then weld reinforcing rib 60 between junction plate 50 and the linkage section at its place, and select supporting high-strength bolt.Then all linkage sections that machine are transported to job site.The 3rd step is configured each linkage section according to predetermined syndeton, and is in place.The 4th step assembles each linkage section by high-strength bolt, finally forms large-span steel girder syndeton.
Seen from the above description, the application's large-span steel girder syndeton tool has the following advantages:
1, simplified syndeton, reduced operation easier, improved operating efficiency, effectively the reduction of erection time.
2, adopt the application's large-span steel girder syndeton, connect more reliably, can guarantee construction quality.
3, each linkage section all adopts the form of structure of variable cross-section, therefore can save material, alleviates deadweight, improves the performance of large-span steel girder syndeton, reduces costs.
Certainly, be more than preferred embodiment of the present utility model.It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model basic principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. a large-span steel girder syndeton, it is characterized in that, described large-span steel girder syndeton comprises the first linkage section (10) and the second linkage section (20), between described the first linkage section (10) and described the second linkage section (20), by connector (40), is fixedly connected with.
2. large-span steel girder syndeton according to claim 1, it is characterized in that, described large-span steel girder syndeton also comprises the 3rd linkage section (30), described the first linkage section (10) is connected to the first end of described the second linkage section (20), described the 3rd linkage section (30) is connected to the second end of described the second linkage section (20), between described the 3rd linkage section (30) and described the second linkage section (20), by described connector (40), is connected.
3. large-span steel girder syndeton according to claim 2, is characterized in that, described the first linkage section (10), described the second linkage section (20) and/or described the 3rd linkage section (30) are all variable cross-section along its length.
4. large-span steel girder syndeton according to claim 3, it is characterized in that, successively decrease in the cross section of described the first linkage section (10), the first end of described the second linkage section (20) is connected to the small bore end of described the first linkage section (10), and the first end of described the second linkage section (20) successively decreases along the direction cross section near described the first linkage section (10).
5. large-span steel girder syndeton according to claim 4, it is characterized in that, successively decrease in the cross section of described the 3rd linkage section (30), the second end of described the second linkage section (20) is connected to the small bore end of described the 3rd linkage section (30), and the second end of described the second linkage section (20) successively decreases along the direction cross section near described the 3rd linkage section (30).
6. according to the large-span steel girder syndeton described in any one in claim 1 to 5, it is characterized in that, described connector (40) is high-strength bolt, stainless steel bolt or pin.
7. according to claim 2, large-span steel girder syndeton in 3 and 5 described in any one, it is characterized in that, described connector (40) is rivet, and described rivet is between described the first linkage section (10) and described the second linkage section (20) and between described the 3rd linkage section (30) and described the second linkage section (20).
8. according to claim 2, large-span steel girder syndeton in 3 and 5 described in any one, it is characterized in that, described the second linkage section (20), described the first linkage section (10) and described the 3rd linkage section (30) are " work " word steel or " H " shaped steel.
9. according to claim 2, large-span steel girder syndeton in 3 and 5 described in any one, it is characterized in that, the link of the link of the link of described the first linkage section (10), described the 3rd linkage section (30) and described the second linkage section (20) is all fixedly installed junction plate (50), and described connector (40) is connected on adjacent two described junction plates (50).
10. large-span steel girder syndeton according to claim 9, is characterized in that, between described junction plate (50) and the linkage section at this junction plate (50) place, is provided with reinforcing rib (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286720.4U CN204001217U (en) | 2014-05-30 | 2014-05-30 | Large-span steel girder syndeton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420286720.4U CN204001217U (en) | 2014-05-30 | 2014-05-30 | Large-span steel girder syndeton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204001217U true CN204001217U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420286720.4U Expired - Fee Related CN204001217U (en) | 2014-05-30 | 2014-05-30 | Large-span steel girder syndeton |
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| Country | Link |
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| CN (1) | CN204001217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060696A (en) * | 2014-05-30 | 2014-09-24 | 当代节能置业股份有限公司 | Large-span steel beam connecting structure |
-
2014
- 2014-05-30 CN CN201420286720.4U patent/CN204001217U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060696A (en) * | 2014-05-30 | 2014-09-24 | 当代节能置业股份有限公司 | Large-span steel beam connecting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NEW POWER (BEIJING) CONSTRUCTION TECHNOLOGY CO., L Free format text: FORMER OWNER: MODERN GREEN DEVELOPMENT CO., LTD. Effective date: 20150616 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150616 Address after: 100028 Beijing city Dongcheng District Dongzhimen xiangheyuan Street No. 1, No. 18 building five room 503 Patentee after: NEW POWER (BEIJING) CONSTRUCTION TECHNOLOGY CO.,LTD. Address before: 100028 Beijing city Dongcheng District Dongzhimen Xianghe Road No. 1 Dangdaimoguocheng No. 10 building three or four layer Patentee before: MODERN GREEN DEVELOPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |