CN114319113B - Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder - Google Patents
Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder Download PDFInfo
- Publication number
- CN114319113B CN114319113B CN202111523579.6A CN202111523579A CN114319113B CN 114319113 B CN114319113 B CN 114319113B CN 202111523579 A CN202111523579 A CN 202111523579A CN 114319113 B CN114319113 B CN 114319113B
- Authority
- CN
- China
- Prior art keywords
- plate
- adjusting
- diaphragm
- diaphragm plate
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000010959 steel Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000013468 resource allocation Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The invention relates to a method for transversely butt-jointing adjustable elevation and butt-jointing a split diaphragm plate of a steel box girder, which comprises the following steps: s1: marking a diaphragm plate connecting plate and a hole group on the diaphragm plate for installing a vertical direction adjusting device through scribing and lofting, and drilling a vertical direction adjusting device installing bolt hole; s2: and manufacturing a longitudinal direction positioning device, wherein the longitudinal direction positioning device comprises a left positioning plate and a right positioning plate. According to the invention, the left positioning plate and the right positioning plate are arranged, so that the longitudinal accurate alignment of the diaphragm plate and the top plate unit welded with the connecting plate is realized, the device is convenient and feasible, the driving use frequency is reduced, the resource allocation is optimized, and the assembly alignment work efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of bridge manufacture, and relates to a method for transversely butt-jointing adjustable elevation and counterpoint of a steel box girder split diaphragm plate.
Background
Because the steel bridge deck plate concentrates many welding seams because U rib, diaphragm and panel intersection, in order to guarantee here welding quality, prevent orthotropic bridge deck plate fatigue crack, avoid lying on face upward the position welding construction, carry out horizontal piecemeal to the diaphragm during the bridge design, divide into upper portion diaphragm fishplate bar, lower part diaphragm two parts with the diaphragm. When the bridge deck plate unit is manufactured, the diaphragm plate connecting plate is firstly assembled and welded on the bridge deck plate unit, the butt welding is carried out on the butt welding plate, the U rib and the key welding seam among the bridge deck top plate, and when the steel box girder is assembled, the bridge deck plate unit with the connecting plate and the positioned lower diaphragm plate are assembled and welded.
At present, the steel box girder diaphragm plates are assembled in pairs in three modes: firstly, the diaphragm plate is overlapped with the connecting plate; the transverse connection plate of the diaphragm plate is welded with the longitudinal stiffening; and thirdly, butt welding the diaphragm plate and the connecting plate. The diaphragm plate is used as an important component of the steel box girder, is constrained to be complex and resists section distortion and transverse deflection. The diaphragm plate and the connecting plate in the first connecting mode cannot be vertically stressed. In the second connection mode, the risk that the diaphragm plate and the connecting plate are not in the same plane may exist in the process of assembling the steel box girder. In the two connecting modes, when the steel bridge is subjected to wheel load, out-of-plane bending stress is generated, and fatigue cracks can be generated in welding seams at the connecting positions. The third connecting mode has the advantages that the diaphragm plate is good in integrity, the rigidity is greatly improved, the out-of-plane bending stress resistance is high, and the fatigue problem of the steel bridge deck plate can be effectively improved.
Li Gutuo the cross slab of the Yangtze river bridge is of a split structure, and the cross slab and the connecting plate are spliced and welded in pairs, namely in a third connecting mode. The split diaphragm plate is transversely butt-jointed with a weld joint, a V-shaped groove with a blunt edge is generally adopted, one side of the split diaphragm plate is welded, the other side of the split diaphragm plate is welded after air gouging is clear, the air gouging workload is large, the working environment in the box is poor, and meanwhile, the size is often required to be adjusted by secondary cutting in the total splicing working process due to zero tolerance matching of the connecting plate and the diaphragm plate, so that the engineering quality and the construction period are not facilitated. Therefore, the split diaphragm plate of the project transversely butt welds and adopts a single-sided welding double-sided forming welding process with gaps, so that the diaphragm plate can be prevented from being cut for the second time, and the total splicing workload can be reduced. How to adjust the transverse butt-joint elevation and the accurate alignment of the split diaphragm plates is a key point for ensuring the quality of the transverse butt-joint weld joints of the diaphragm plates and the outline dimension of the steel box girder, and is a difficult problem to be solved urgently at present. Therefore, a method for transversely aligning the split diaphragm plates to adjust the elevation and alignment is necessary to solve the problem.
Disclosure of Invention
The invention aims to provide a method for transversely splicing and aligning a split diaphragm plate of a steel box girder, which can solve the problems of large air gouging workload and poor working environment in a box, reduce the driving frequency and optimize the resource allocation.
According to the technical scheme provided by the invention: a method for transversely butt-jointing adjustable elevation and butt-jointing a split diaphragm plate of a steel box girder comprises the following steps:
s1: marking a diaphragm plate connecting plate and a hole group on the diaphragm plate for installing a vertical direction adjusting device through scribing and lofting, and drilling a vertical direction adjusting device installing bolt hole;
s2: manufacturing a longitudinal direction positioning device, wherein the longitudinal direction positioning device comprises a left positioning plate and a right positioning plate;
s3: manufacturing a vertical direction adjusting device; blanking according to the size of the diaphragm plate connecting plate adjusting plate and the diaphragm plate adjusting plate; dividing the diaphragm plate connecting plate adjusting mounting hole, the diaphragm plate connecting plate adjusting hole and the diaphragm plate adjusting hole, and processing and forming the diaphragm plate connecting plate adjusting mounting hole and the diaphragm plate adjusting hole; 90-degree bending is performed between the diaphragm plate connecting plate adjusting and mounting hole and the diaphragm plate connecting plate adjusting hole, and 90-degree bending is performed between the diaphragm plate adjusting and mounting hole and the diaphragm plate adjusting hole; the diaphragm plate connecting plate adjusting and installing hole is positioned on the diaphragm plate connecting plate adjusting plate bending vertical plate, the diaphragm plate connecting plate adjusting hole is positioned on the diaphragm plate connecting plate adjusting plate bending vertical plate, the diaphragm plate adjusting and installing hole is positioned on the diaphragm plate adjusting plate bending vertical plate, the diaphragm plate adjusting hole is positioned on the diaphragm plate adjusting plate bending horizontal plate, and the diaphragm plate connecting plate adjusting hole is a slotted hole;
s4: the upper end of the diaphragm plate is provided with a plurality of pairs of left positioning plates and right positioning plates in pairs along the opposite splicing positions of the two sides in the longitudinal and transverse directions, and the lower end of the right guide surface is slightly higher than the upper side edge of the diaphragm plate by 10 mm-15 mm, so that the diaphragm plate connecting plate is convenient to insert along the right guide panel;
s5: the diaphragm plate adjusting plates and the diaphragm plate connecting plate adjusting plates are respectively arranged on the diaphragm plate and the diaphragm plate connecting plate in pairs, and an M12 bolt pair penetrates through a diaphragm plate adjusting mounting hole and a diaphragm plate vertical direction adjusting device mounting bolt hole; the diaphragm plate connecting plate adjusting mounting holes are connected with the diaphragm plate connecting plate vertical direction adjusting device mounting bolt holes;
s6: the top plate unit with the transverse partition board connecting plates is hung to the partition board butt-joint position by using the travelling crane and is inserted between the left positioning plate and the right positioning plate, so that the accurate alignment of the longitudinal position is realized;
s7: the transverse position of the top plate unit is finely adjusted by using a jack by taking the longitudinal baseline of the top plate as a reference, so that the accurate alignment of the transverse position is realized;
s8: and a second adjusting nut of M16 is welded and fixed on the end face of the adjusting hole of the diaphragm plate on the diaphragm plate adjusting plate at one side of the diaphragm plate, and the second adjusting nut and the first adjusting nut of the diaphragm plate pre-welding are in the same axial direction, and are screwed into the M16 adjusting bolt 7 from bottom to top and sequentially pass through the first adjusting nut and the second adjusting nut.
As a further improvement of the invention, the size of the vertical direction adjusting device mounting bolt hole is phi 18mm.
As a further improvement of the invention, the right end face of the left positioning plate is a left positioning face, the lower part of the left end face of the right positioning plate is a right positioning face, and a longitudinal positioning space of the diaphragm plate is arranged between the left positioning face and the right positioning face.
As a further improvement of the invention, the number of the diaphragm plate adjusting and installing holes is 2, and the diaphragm plate adjusting and installing holes are arranged in parallel, and the number of the diaphragm plate adjusting and installing holes is 2.
As a further improvement of the present invention, the upper part of the left end face of the right positioning plate is a right guiding face.
As a further improvement of the invention, the left locating plate and the right locating plate are manufactured by flame precise numerical control blanking.
The positive progress effect of this application lies in:
1. according to the invention, the left positioning plate and the right positioning plate are arranged, so that the longitudinal accurate alignment of the diaphragm plate and the top plate unit welded with the connecting plate is realized, the device is convenient and feasible, the driving use frequency is reduced, the resource allocation is optimized, and the assembly alignment work efficiency is improved.
2. According to the invention, the matching adjusting device is arranged on the partition plate and the connecting plate, and the elevation of the top plate unit is mechanically adjusted through the adjusting nut, so that the control of the transverse slope and the elevation of the steel box girder is facilitated, and the overall size of the steel box girder is ensured. Meanwhile, the assembly gap of the split diaphragm plate to the spliced seam can be finely adjusted, and the welding quality of the spliced seam is ensured.
Drawings
Fig. 1 is a schematic view of the installation position of the guide plate of the present invention.
Fig. 2 is a schematic view of the installation position of the vertical direction adjustment device of the present invention.
Fig. 3 is a front view of the middle portion of fig. 2.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a process, method, system, article, or apparatus that comprises a list of steps or elements does not necessarily limit the process, method, system, article, or apparatus to those explicitly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In fig. 1-3, the device comprises a left positioning plate 1, a right positioning plate 2, a diaphragm plate connecting plate 3, a diaphragm plate adjusting plate 4, a first adjusting nut 5, a second adjusting nut 6, an adjusting screw 7, a fixing bolt pair 8, a diaphragm plate 9, a diaphragm plate connecting plate 10 and the like.
As shown in fig. 1-3, the invention discloses a method for transversely butt-jointing adjustable elevation and butt-jointing a split diaphragm plate of a steel box girder, which comprises the following steps:
s1: marking out hole groups of the diaphragm plate 10 and the diaphragm plate 9 on which the vertical direction adjusting device is arranged through accurate scribing and lofting, and drilling a vertical direction adjusting device mounting bolt hole;
the diaphragm 9 and the diaphragm plate 10 are welded to ensure the relative positions including the longitudinal position, the transverse position and the vertical position.
The vertical direction adjusting device is used for adjusting the vertical direction relative position of the diaphragm plate 10 and the diaphragm plate 9. The relative position of the diaphragm plate 10 and the longitudinal direction of the diaphragm plate 9 is determined by the longitudinal direction positioning device. The size of the installation bolt hole of the vertical direction adjusting device is phi 18mm.
S2: manufacturing a longitudinal direction positioning device, wherein the longitudinal direction positioning device comprises a left positioning plate 1 and a right positioning plate 2;
the right end face of the left positioning plate 1 is a left positioning face 1-1, the lower part of the left end face of the right positioning plate 2 is a right positioning face 2-1, and a longitudinal positioning space of the diaphragm plate connecting plate 10 is formed between the left positioning face 1-1 and the right positioning face 2-1.
The upper part of the left end surface of the right positioning plate 2 is provided with a right guiding surface 2-2, so that the diaphragm plate 10 can be conveniently put in.
The left positioning plate 1 and the right positioning plate 2 are manufactured by flame precision numerical control blanking. The left locating plate 1 is a square plate with the thickness of 12mm multiplied by 50mm multiplied by 100mm, and the right locating plate 2 is a special plate with the thickness of 12mm multiplied by 50mm multiplied by 100mm and provided with chamfers.
S3: manufacturing a vertical direction adjusting device; blanking according to the size of the diaphragm plate connecting plate adjusting plate 3 and the diaphragm plate adjusting plate 4; drawing 2 diaphragm plate adjusting and installing holes 3-1, 2 diaphragm plate adjusting and installing holes 3-2, drawing 2 diaphragm plate adjusting and installing holes 4-1 and 4-2, and processing and forming; 90-degree bending is performed between the diaphragm plate connecting plate adjusting and mounting hole 3-1 and the diaphragm plate connecting plate adjusting and mounting hole 3-2, and 90-degree bending is performed between the diaphragm plate adjusting and mounting hole 4-1 and the diaphragm plate adjusting and mounting hole 4-2; the diaphragm plate connecting plate adjusting and installing hole 3-1 is positioned on a diaphragm plate connecting plate adjusting plate 3 bending vertical plate, the diaphragm plate connecting plate adjusting hole 3-2 is positioned on a diaphragm plate adjusting plate 3 bending horizontal plate, the diaphragm plate adjusting and installing hole 4-1 is positioned on a diaphragm plate adjusting plate 4 bending vertical plate, and the diaphragm plate adjusting hole 4-2 is positioned on a diaphragm plate adjusting plate 4 bending horizontal plate;
the diaphragm plate adjusting plate 3 is provided with two diaphragm plate adjusting mounting holes 3-1 with phi 18mm drilled at the vertical bending edge and used for being bolted with the diaphragm plate 10, and a diaphragm plate adjusting hole 3-2 with phi 18mm long round holes drilled at the transverse bending edge and used for fine adjustment of the transverse positions of the diaphragm plate 9 and the diaphragm plate 10 and adjustment of the vertical relative positions of the diaphragm plate 10 and the diaphragm plate 9.
The size of the diaphragm adjusting plate 4 is 16mm multiplied by 125mm multiplied by 150mm, two diaphragm adjusting mounting holes 4-1 with phi 18mm are drilled on the bent vertical edge and are used for bolting with the diaphragm, a phi 18mm diaphragm adjusting hole 4-2 is drilled on the bent horizontal edge, and a first adjusting nut 5 is concentrically welded on the end face of the diaphragm adjusting hole 4-2 and is used for adjusting the vertical relative position of the diaphragm connecting plate 10 and the diaphragm 9.
S4: the upper end of the diaphragm plate 9 is provided with a plurality of pairs of left positioning plates 1 and right positioning plates 2 in pairs along the two opposite splicing positions of the longitudinal and transverse directions, and the lower end of the right guiding surface 2-2 is slightly higher than the upper side edge of the diaphragm plate 9 by 10 mm-15 mm, so that the diaphragm plate connecting plate 10 is convenient to insert along the right guiding surface 2-2 and accurately positioned;
s5: a diaphragm plate adjusting plate 4 and a diaphragm plate connecting plate 3 are respectively arranged on a diaphragm plate 9 and a diaphragm plate connecting plate 10 in pairs, and an M12 bolt pair 8 is used for penetrating through a diaphragm plate adjusting and mounting hole 4-1 and a diaphragm plate 9 vertical direction adjusting device mounting bolt hole; the diaphragm plate connecting plate adjusting and installing holes 3-1 and the diaphragm plate connecting plate 10 are connected with the installing bolt holes of the vertical adjusting device;
s6: the top plate unit with the transverse partition board connecting plate 10 is hung to the partition board butt-joint position by using a crane and is inserted between the left positioning plate 1 and the right positioning plate 2, so that the accurate alignment of the longitudinal position is realized;
s7: the transverse position of the top plate unit is finely adjusted by using a jack by taking the longitudinal baseline of the top plate as a reference, so that the accurate alignment of the transverse position is realized;
s8: the diaphragm plate adjusting plate 3 on one side of the diaphragm plate 10 is bent, the end face of the diaphragm plate adjusting hole 3-2 on the diaphragm plate is welded and fixed with the second adjusting nut 6 of the M16, the second adjusting nut 6 and the first adjusting nut 5 of the diaphragm plate 9 are welded in advance in the same axial direction, the M16 adjusting bolt 7 is screwed in from bottom to top, and the diaphragm plate adjusting plate 3 sequentially passes through the first adjusting nut 5 and the second adjusting nut 6, so that the welding gap control of the diaphragm plate 9 and the top plate unit with the diaphragm plate 10 is finally realized, and the height of the top plate is finally adjusted.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (5)
1. The method for transversely butt-jointing adjustable elevation and butt-jointing the split diaphragm plates of the steel box girder is characterized by comprising the following steps of:
s1: marking out hole groups for installing the vertical direction adjusting devices on the diaphragm plate connecting plates (10) and the diaphragm plates (9) through scribing and lofting, and drilling installing bolt holes for the vertical direction adjusting devices;
s2: manufacturing a longitudinal direction positioning device, wherein the longitudinal direction positioning device comprises a left positioning plate (1) and a right positioning plate (2);
s3: manufacturing a vertical direction adjusting device; blanking according to the size of the diaphragm plate connecting plate adjusting plate (3) and the diaphragm plate adjusting plate (4); dividing a diaphragm plate connecting plate adjusting and mounting hole (3-1) and a diaphragm plate connecting plate adjusting hole (3-2) hole, dividing a diaphragm plate adjusting and mounting hole (4-1) and a diaphragm plate adjusting hole (4-2) hole, and processing and forming; 90-degree bending is carried out between the diaphragm plate connecting plate adjusting and mounting hole (3-1) and the diaphragm plate connecting plate adjusting and mounting hole (3-2), and 90-degree bending is carried out between the diaphragm plate adjusting and mounting hole (4-1) and the diaphragm plate adjusting and mounting hole (4-2); the diaphragm plate connecting plate adjusting and installing hole (3-1) is positioned on a bending vertical plate of the diaphragm plate connecting and adjusting plate (3), the diaphragm plate connecting and adjusting hole (3-2) is positioned on a bending horizontal plate of the diaphragm plate connecting and adjusting plate (3), the diaphragm plate adjusting and installing hole (4-1) is positioned on a bending vertical plate of the diaphragm plate adjusting plate (4), the diaphragm plate adjusting hole (4-2) is positioned on a bending horizontal plate of the diaphragm plate adjusting plate (4), and the diaphragm plate connecting and adjusting hole (3-2) is a long round hole;
s4: a plurality of pairs of left positioning plates (1) and right positioning plates (2) are arranged at the upper end of the diaphragm plate (9) in pairs along the two sides of the longitudinal transverse direction, the upper part of the left end surface of the right positioning plate (2) is a right guiding surface (2-2), and the lower end of the right guiding surface (2-2) is slightly higher than the upper side edge of the diaphragm plate (9) by 10 mm-15 mm, so that the diaphragm plate (10) is convenient to insert along the right guiding surface (2-2);
s5: a diaphragm plate adjusting plate (4) and a diaphragm plate connecting plate (3) are respectively arranged on a diaphragm plate (9) and a diaphragm plate connecting plate (10) in pairs, and an M12 bolt pair (8) penetrates through a diaphragm plate adjusting and mounting hole (4-1) and a diaphragm plate (9) vertical direction adjusting device mounting bolt hole; the diaphragm plate connecting plate adjusting and installing holes (3-1) are connected with the diaphragm plate connecting plate (10) through installing bolt holes of the vertical direction adjusting device;
s6: the top plate unit with the transverse partition board connecting plate (10) is hung to the partition board butt-joint position by using the travelling crane and is inserted between the left positioning plate (1) and the right positioning plate (2), so that the accurate alignment of the longitudinal position is realized;
s7: the transverse position of the top plate unit is finely adjusted by using a jack by taking the longitudinal baseline of the top plate as a reference, so that the accurate alignment of the transverse position is realized;
s8: and a diaphragm plate connecting plate (10) is provided with a diaphragm plate connecting plate adjusting plate (3), a diaphragm plate connecting plate adjusting hole (3-2) on the diaphragm plate is welded and fixed with a second adjusting nut (6) of M16, the second adjusting nut (6) and a first adjusting nut (5) of the diaphragm plate (9) are welded in advance in the same axial direction, an M16 adjusting bolt 7 is screwed from bottom to top, and the first adjusting nut (5) and the second adjusting nut (6) pass through in sequence.
2. The method for transversely aligning and adjusting the elevation and the alignment of the split diaphragm plates of the steel box girder according to claim 1, wherein the size of the installation bolt hole of the vertical direction adjusting device is phi 18mm.
3. The method for transversely aligning and adjusting the elevation and the alignment of the split diaphragm plates of the steel box girder according to claim 1, wherein the right end face of the left positioning plate (1) is a left positioning face (1-1), the lower part of the left end face of the right positioning plate (2) is a right positioning face (2-1), and a longitudinal positioning space of the diaphragm plate connecting plate (10) is formed between the left positioning face (1-1) and the right positioning face (2-1).
4. The method for transversely aligning and adjusting the elevation and the alignment of the split diaphragm plates of the steel box girder according to claim 1, wherein the number of the diaphragm plate connecting plate adjusting and installing holes (3-1) is 2, the two are arranged in parallel, and the number of the diaphragm plate adjusting and installing holes (4-1) is 2, and the two are arranged in parallel.
5. The method for transversely butt-jointing adjustable elevation and butt-jointing the split type diaphragm plates of the steel box girder according to claim 1, wherein the left positioning plate (1) and the right positioning plate (2) are manufactured by flame precise numerical control blanking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523579.6A CN114319113B (en) | 2021-12-14 | 2021-12-14 | Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523579.6A CN114319113B (en) | 2021-12-14 | 2021-12-14 | Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114319113A CN114319113A (en) | 2022-04-12 |
| CN114319113B true CN114319113B (en) | 2024-03-22 |
Family
ID=81050497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111523579.6A Active CN114319113B (en) | 2021-12-14 | 2021-12-14 | Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114319113B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0425454D0 (en) * | 2004-11-18 | 2004-12-22 | Intelligent Engineering Ltd Bs | Method of reinforcing a bridge |
| KR20090118433A (en) * | 2008-05-13 | 2009-11-18 | 한국도로공사 | Construction method of semi-integral abutment bridge using steel box girder |
| CN103084806A (en) * | 2013-01-18 | 2013-05-08 | 中铁宝桥（扬州）有限公司 | Large curve steel box grider manufacture method |
| CN210712507U (en) * | 2019-08-15 | 2020-06-09 | 浙江中南建设集团钢结构有限公司 | Steel case roof beam diaphragm guiding orientation fixing device |
| CN111926705A (en) * | 2020-05-08 | 2020-11-13 | 江苏中铁山桥重工有限公司 | Method for integrally assembling ultra-wide framing steel box girder |
| CN212641167U (en) * | 2020-04-10 | 2021-03-02 | 厦门新长诚钢构工程有限公司 | Curve steel box bridge through flip-chip preparation |
-
2021
- 2021-12-14 CN CN202111523579.6A patent/CN114319113B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0425454D0 (en) * | 2004-11-18 | 2004-12-22 | Intelligent Engineering Ltd Bs | Method of reinforcing a bridge |
| KR20090118433A (en) * | 2008-05-13 | 2009-11-18 | 한국도로공사 | Construction method of semi-integral abutment bridge using steel box girder |
| CN103084806A (en) * | 2013-01-18 | 2013-05-08 | 中铁宝桥（扬州）有限公司 | Large curve steel box grider manufacture method |
| CN210712507U (en) * | 2019-08-15 | 2020-06-09 | 浙江中南建设集团钢结构有限公司 | Steel case roof beam diaphragm guiding orientation fixing device |
| CN212641167U (en) * | 2020-04-10 | 2021-03-02 | 厦门新长诚钢构工程有限公司 | Curve steel box bridge through flip-chip preparation |
| CN111926705A (en) * | 2020-05-08 | 2020-11-13 | 江苏中铁山桥重工有限公司 | Method for integrally assembling ultra-wide framing steel box girder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114319113A (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107386112B (en) | The production method of anchor beam after a kind of focusing overlength | |
| CN114319113B (en) | Method for transversely butt-jointing adjustable elevation and counterpoint of split diaphragm plates of steel box girder | |
| CN101497151B (en) | Assembly welding technique of translational frame of heating stove | |
| CN114043171B (en) | Manufacturing method of curve cable tower steel anchor box | |
| CN102373668A (en) | Bridge steel anchor box assembly method | |
| CN104863266A (en) | Prefabricated high-ductility beam-column joint for box column and I-beam | |
| CN114164759B (en) | Method for manufacturing bridge anchoring structure | |
| CN112523486A (en) | Telescopic welding platform suitable for high-altitude welding of steel column and construction method | |
| CN212427537U (en) | Assembled steel construction building fixed establishment | |
| CN112900740B (en) | Truss girder segment and truss girder segment manufacturing method | |
| CN210134525U (en) | Connecting structure capable of quickly mounting steel beam | |
| CN212153708U (en) | Steel structure | |
| CN212271247U (en) | Assembled I-beam node connection | |
| CN215331347U (en) | Scalable welded platform suitable for steel column high altitude welding | |
| CN219734987U (en) | H-shaped steel easy to install | |
| CN211516198U (en) | Novel steel plate milling inclined plane processing equipment | |
| CN217900676U (en) | Positioning detection device | |
| CN214993693U (en) | Assembled composite foundation load test bearing plate | |
| CN220725370U (en) | Steel structure mounting system | |
| CN218815587U (en) | Connecting structure for butt joint of steel towers | |
| CN110039210B (en) | Welding method of cylindrical workpiece limiting tool | |
| CN212823654U (en) | Novel multi-functional frock of joining in marriage welding of box lug | |
| CN216882446U (en) | Production tooling platform for main beam of gantry crane | |
| CN219316038U (en) | Steel structure spliced connecting part | |
| CN217601216U (en) | High-precision matching and assembling device for large steel bridge component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 214513 No. 88, Cargo Station Road, Xingang District, Xingang City, Jingjiang City, Taizhou City, Jiangsu Province Applicant after: China Railway Construction Bridge Engineering Bureau Group Jingjiang Heavy Industry Co.,Ltd. Address before: 214513 No. 88, Cargo Station Road, Xingang District, Xingang City, Jingjiang City, Taizhou City, Jiangsu Province Applicant before: China Railway Construction Bridge Engineering Bureau Group Jingjiang Bridge Technology Industrial Park Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |