CN2856141Y - Welded bolt-connected type segamental layered three-chord truss main beam structure of bridge building machine - Google Patents
Welded bolt-connected type segamental layered three-chord truss main beam structure of bridge building machine Download PDFInfo
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- CN2856141Y CN2856141Y CN 200620023415 CN200620023415U CN2856141Y CN 2856141 Y CN2856141 Y CN 2856141Y CN 200620023415 CN200620023415 CN 200620023415 CN 200620023415 U CN200620023415 U CN 200620023415U CN 2856141 Y CN2856141 Y CN 2856141Y
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- main beam
- girder
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Abstract
The utility model discloses a three-beam main girder structure with bolted and welded connection for bridge-building machine, which has a plurality of independent segments. The main girder comprises an upper frame constituted by upper beam body and upper chords that are connected to form isosceles triangles and upper flange plates welded in each junction point of the upper chords, a corresponding lower frame constituted by lower beam body and lower chords that are connected to form isosceles triangles, lower flange plates welded in each junction point of the lower chords. The upper and lower frames are assembled by jointing the upper and lower flange plates by bolts to form an integrated independent segment of main girder. The utility model has the advantages of convenient transport and simple installation.
Description
Technical field
The utility model relates to frame, bridge fabrication machine main beam structure, relates to frame, the bridge fabrication machine bolt-connected type merogenesis layering trichord purlin structure main beam structure of the prefabricated usefulness of a kind of Large-Span Continuous pre-stressed box ellbeam specifically.
Background technology
At present, designed trichord purlin structure main beam structure in outrigger, the bridge fabrication machine is long because of its span crossbeam body at home, can't be transported to the job site, adopts linear beam element structure in bulk usually.No matter promptly chord member and web member are separate unit with a rod member all, transport to the working site and get up by root ground pin joint or bolt and form the overall structure beam.In addition, its device that hangs preliminary election beam section is located on two lower edges of trichord purlin structure girder simultaneously, and promptly the hitch point of every beam section has four (about each girder), needs the quadruplet derrick rig.And during girder vertical shift via hole, again a hydraulic pushing longeron need be set between two lower chords.Thereby there is following defective in the trichord purlin structure main beam structure of using in frame, bridge fabrication machine: 1, linear beam element kind in bulk and quantity are all very big, and the identification difficulty easily causes the assembly unit mistake at the construction field (site), and working site assembly unit amount is big and cumbersome, and the assembly unit construction period is long; 2, because of belonging to on-site consolidation, so the structural entity rigidity is relatively poor, the girder amount of deflection that the latching hole produces is bigger; 3, straight line is provided with the suspension suspension centre on the lower chord of this project organization, causes suspension derrick rig quantity big, and the suspension operational task amount is big, and the suspension operational task amount is big, hangs length duty cycle etc.
The utility model content
The purpose of this utility model is for addressing the above problem, and a kind of, bridge fabrication machine bolt-connected type merogenesis layering trichord purlin structure girder are provided, and is convenient to transportation thereby reach, and assembled on site is quick and easy.
For achieving the above object, technical solution of the present utility model is finished like this: a kind of, bridge fabrication machine bolt-connected type merogenesis layering trichord purlin structure main beam structure, it has the trichord purlin structure girder of some individual segments, and this individual segments girder comprises upper strata framework and two layered structures of lower floor's thick stick frame; Described upper strata framework has a upper beam body, and with the upper chord welding that vertical formation isosceles triangle is provided with, upper flange plate of tie point welding and web member between each upper chord, the upper beam body two ends of each individual segments are provided with the upper flange case; Described lower floor framework has the underbeam body of a symmetry, lower chord welding with the isosceles trapezoid of vertical formation, this lower chord forms is provided with suspension rod triangular in shape in trapezoidal, its lower end and one hangs longeron and is connected, lower flange plate of tie point welding between each lower chord, two underbeam body two ends of each individual segments are provided with the lower flange case, make the upper and lower flanged plate butt joint of its upper and lower layer framework, connect into a whole individual segments girder by bolt.
In this was novel, the connection between related upper and lower flange case was to adopt stud to connect; In addition, flange case center is provided with alignment pin thereon, in order to should bear the shearing of stud mutually.
In this was novel, described lower flange case was a two-way bolt flange connecting case.
The good effect that the utlity model has is:
1, this trichord purlin structure main beam structure is that every trichord purlin structure girder total length is divided into a plurality of individual segments by the transportation limit for length.And with each individual segments, layering forms upper and lower layer frame body, has so not only satisfied requirements on transport, but also has simplified the assembled on site cumbersome procedure, has shortened installation period, has reduced labour intensity.
2, because of the trichord purlin structure girder of merogenesis, layering form, install in advance, only connect the connection of upper and lower framework and each sections at the scene, guaranteed the then property and the intensity of structural entity in manufacturing works.
3, a hitch point is respectively arranged on the longeron between the lower chord of two underbeam bodies.Half has been arranged than existing structure decrease.
Description of drawings
Fig. 1 is this novel structural representation.
Fig. 2 is Fig. 1 left view.
Fig. 3, the 4th, the upper and lower flange box structure of Fig. 1 connection diagram.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, to this novel being described in further detail.
By the frame shown in Fig. 1,2, bridge fabrication machine bolt-connected type merogenesis layering trichord purlin structure girder, this trichord purlin structure girder is the girder that the girder total length is divided into some individual segments.This independent trichord purlin structure girder comprises by upper strata framework and two hierarchies of lower floor's framework and forming.This described upper strata framework has a upper beam body 1, and along upper beam body 1 center position, by being welded with the upper chord 3 that tilts to both sides, the web member 9 by 3 of two upper chords connects vertical section and is stable isosceles triangle.This upper chord 3 laterally also be butt joint triangular in shape.Tie point that described each upper chord is 3 and the web member of being given 9 all weld on the upper flange plate 4, also are provided with pull bar 54 of the upper flange plates of each tie point.Be equipped with the upper flange case 2 of drawing at the two ends of described upper beam body 1, be used for connecting with other adjacent individual segments to both sides.There is shrinkage pool at the center of this upper flange case 2, in it alignment pin 12 can be set.The end of the upper chord 3 in above-mentioned has slot, and upper flange plate 4 one ends that will be the T type are installed in the slot, form by welding fixedly.This upper chord 3 also is to be welded by gusset fixing on slot and the upper beam body 1 with the fixed form of upper beam body 1.Upper strata framework by above-mentioned formation is to treat the compound beam body as a layering.Such beam height degree and length not only satisfy the requirement in the transportation, assemble fast but also be convenient to the working site.Described lower floor framework has the underbeam body 7 of a symmetry, is provided with the lower chord 6 with upper chord 3 corresponding configurations on this underbeam body 7 equally.Its vertical section is connected by lower chord 6 and is the isosceles trapezoid welding.The lower end of described lower chord 6 is welded with the gusset insertion that is fixed on the underbeam body 7 by having slot.Each tie point of upper end that its lower chord is 6 by be welded on lower flange plate 4 ' a gusset on.This lower flange plate 4 ' the both sides gusset on by bolt hole, make its upper and lower flanged plate 4 and 4 that is connected and fixed two bodies '.Lower chord 6 vertically form trapezoidal in lower flange plate 4 ' on two of welding be tilted to and hang being connected of longeron 10 and suspension rod 8 triangular in shape, be used for suspending in midair suspension longeron 10.Pull bar 11 is set on suspension longeron 10 to be strengthened being connected with underbeam body 7.Be provided with at the two ends of described underbeam body 7 the lower flange case 2 of two-way connection '.By lower floor's framework that said structure constitutes, be to treat the compound beam body as a layering.With levels split framework, after upper and lower flanged plate 4 and 4 ' butt joint, only need to connect into the individual segments of a complete trichord purlin structure girder by the bolt fixed in place, be assembled into the trichord purlin structure main beam of total length by the last lower flange case 2 and 8 of each sections.
Fig. 3 has provided individual segments upper beam body by upper flange case 2 and each adjacent individual segments, the connection diagram of flange case.An alignment pin 11 is installed between the upper flange case 2 on described each individual segments, is connected and fixed, and between the upper chord on two individual segments 3 triangle that is connected into a transverse seal is supported tie point by two studs 13.Described alignment pin 11 mainly is the shearing that is used to bear stud.
Fig. 4 provided individual segments underbeam body 7 by lower flange case 2 ' with adjacent individual segments on flange case connection diagram.Lower flange case 2 on described each individual segments ' bilateral stud 13 be set be connected and fixed, make 6 pairs of lower chords on two individual segments be connected into the triangle supporting tie point of a transverse seal.
Each individual segments in above-mentioned is assembled into the trichord purlin structure girder of a whole total length after by Fig. 3,4 butt joint.
Claims (2)
1, a kind of, bridge fabrication machine bolt-connected type merogenesis layering trichord purlin structure main beam structure.It is characterized in that it has the trichord purlin structure girder of some individual segments, this individual segments trichord purlin structure girder comprises upper strata framework and two layered structures of lower floor's framework; Described upper strata framework has a upper beam body (1), with upper chord (3) welding that vertically is the isosceles triangle setting, a tie point welding upper flange plate (4) and web member (9) between each upper chord (3), upper beam body (1) two ends of each individual segments are provided with upper flange case (2); Described underframe has the underbeam body (7) of a symmetry, weld with the lower chord that vertically is isosceles trapezoid (6), this lower chord (6) forms is provided with suspension rod triangular in shape (8) in trapezoidal, its lower end and one hangs longeron (10) and is connected, tie point welding lower flange plate (4 ') between each lower chord (6), two underbeam bodies (7) two ends of each individual segments are provided with laxative remedy case (2 '); Tie by the butt joint of the upper and lower flanged plate (4 and 4) on the upper and lower layer framework and to be connected into a whole individual segments girder.
2, by the described trichord of claim 1 purlin structure main beam structure, it is characterized in that the center of described upper flange case (2) is provided with an alignment pin (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023415 CN2856141Y (en) | 2006-01-18 | 2006-01-18 | Welded bolt-connected type segamental layered three-chord truss main beam structure of bridge building machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023415 CN2856141Y (en) | 2006-01-18 | 2006-01-18 | Welded bolt-connected type segamental layered three-chord truss main beam structure of bridge building machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2856141Y true CN2856141Y (en) | 2007-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023415 Expired - Fee Related CN2856141Y (en) | 2006-01-18 | 2006-01-18 | Welded bolt-connected type segamental layered three-chord truss main beam structure of bridge building machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2856141Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215775A (en) * | 2017-08-04 | 2017-09-29 | 长春市兴泰起重机械有限公司 | It is a kind of to be used for the combined main girder construction of single girder crane gear |
| CN108867403A (en) * | 2018-09-04 | 2018-11-23 | 贵州黔龙宸路桥工程有限公司 | A kind of purlin Combined-type sheet-type bridge steel arch-shelf |
-
2006
- 2006-01-18 CN CN 200620023415 patent/CN2856141Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215775A (en) * | 2017-08-04 | 2017-09-29 | 长春市兴泰起重机械有限公司 | It is a kind of to be used for the combined main girder construction of single girder crane gear |
| CN107215775B (en) * | 2017-08-04 | 2018-08-28 | 长春市兴泰起重机械有限公司 | A kind of combined type main beam structure for single girder lifting equipment |
| CN108867403A (en) * | 2018-09-04 | 2018-11-23 | 贵州黔龙宸路桥工程有限公司 | A kind of purlin Combined-type sheet-type bridge steel arch-shelf |
| CN108867403B (en) * | 2018-09-04 | 2024-04-26 | 贵州黔龙宸路桥工程有限公司 | Truss sheet type combined bridge steel arch frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QINHUANGDAO TIANYE TONGLIAN ZHONGGONG CO., LTD. Free format text: FORMER NAME OR ADDRESS: COMMUNICATIONS ROAD + BRIDGE MACHINERY CO., LTD., BEIDAIHE, QINHUANGDAO CITY |
|
| CP03 | Change of name, title or address |
Address after: No. 48 Jincheng Road, Beidaihe District, Hebei, Qinhuangdao Province, China: 066100 Patentee after: Qinhuangdao Tianye Tolian Heavy Industry Co., Ltd. Address before: No. 48 Jincheng Road, Beidaihe District, Hebei, Qinhuangdao Province, China: 066100 Patentee before: Qinhuangdao Beidahe Tolian Road and Bridge Machinery Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20140118 |