CN218861321U - Forked pier suitable for multiple main beams - Google Patents
Forked pier suitable for multiple main beams Download PDFInfo
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- CN218861321U CN218861321U CN202222106736.XU CN202222106736U CN218861321U CN 218861321 U CN218861321 U CN 218861321U CN 202222106736 U CN202222106736 U CN 202222106736U CN 218861321 U CN218861321 U CN 218861321U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a bifurcate pier suitable for a plurality of main beams, which comprises a pier bifurcate structure and a pier top hinge support; the bridge pier bifurcation structure comprises two forward-bridge-direction bifurcation piers, two transverse-bridge-direction bifurcation piers and a bifurcation transition section, wherein the two forward-bridge-direction bifurcation piers and the two transverse-bridge-direction bifurcation piers are connected with a main pier through the bifurcation transition section; the utility model discloses pier branching structure mainly comprises four branching mounds and a branching changeover portion, has guaranteed the stability of girder structure, under the prerequisite of guaranteeing structure atress safety, has promoted the view effect of pedestrian bridge. The forward-bridge-direction bifurcation pier adopts a trapezoidal section, the first web plate is formed by hot bending, the ridge line is clear, and the appearance effect is better. The bottom plate of the forward-direction bifurcated pier is aligned with the second stiffening plate of the transition section; the second top plate of the transverse bridge-direction forked pier is aligned to the top plate stiffening plate, the second web plate is in butt joint with the gusset plate, the upper structure load is effectively transmitted to the forked transition section respectively, and the load is stably transmitted to the main pier through the forked transition section.
Description
Technical Field
The utility model relates to a bridge structures technical field especially relates to a branching pier suitable for many girders.
Background
In the prior art, most pedestrian overpasses adopt a substructure in the form of a double-upright post. The lower part structure of the form has simple stress and convenient construction, but has monotonous landscape effect.
For a large pedestrian overpass with a wider bridge deck, the upper structure usually adopts a structural form of a plurality of main beams, and the lower structure generally adopts a double-column form correspondingly so as to ensure the stability of the main beams. However, in some projects, the landscape requirement on the pedestrian overpass is high, and the modeling optimization design needs to be carried out on the lower structure of the overpass.
After the modeling of the lower part structure of the pedestrian overpass is optimized, the stress structure is changed, so that the pier structure of the pedestrian overpass needs to be improved, the landscape requirement is met, and the structural stress requirement of the pedestrian bridge with larger width is met.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the technical purpose of the utility model is to solve the problem mentioned in the above-mentioned background art for the pier structure of passenger footbridge satisfies the view requirement promptly and satisfies the great passenger footbridge's of width structure atress demand again.
In order to achieve the technical purpose, the utility model provides a bifurcation pier suitable for a multi-girder, which comprises a girder body and a pier, wherein the girder body is connected with the pier through a pier bifurcation structure;
the bridge pier bifurcation structure comprises four bifurcation piers and a bifurcation transition section;
the four branched piers consist of two forward-direction branched piers and two transverse-direction branched piers;
the two forward-direction bridge-direction bifurcated piers are used for supporting a main longitudinal beam of the beam body, and the forward-direction bridge-direction bifurcated piers are connected with the main longitudinal beam through pier top hinged supports;
the two transverse direction bifurcate piers are respectively supported on the secondary longitudinal beams on two sides of the beam body, and the transverse direction bifurcate piers are fixedly connected with the main longitudinal beam.
Preferably, the forward-bridging-direction bifurcated pier comprises a first rod piece consisting of a first top plate, a bottom plate and a first web plate, a first partition plate is arranged in the middle of the first rod piece, and a first sealing plate and two first stiffening plates are arranged at the top of the first rod piece.
Preferably, the transverse direction diverging pier comprises a second rod member consisting of a second top plate and a second web plate, and a second partition plate is arranged in the middle of the second rod member.
Preferably, the bifurcation transition section includes the pier that comprises third roof, third web, second stiffening plate and third baffle, the top of pier is provided with the second shrouding, two along the bridge to the branching mound intersect in on the second shrouding, two cross bridges to the branching mound intersect on first node baffle, the bottom of first node baffle is provided with extends to roof stiffening plate in the pier, the second web is provided with the node board in the node region, be connected through second node baffle between the second baffle.
Preferably, it is single pier top hinge support includes two lower otic placodes, two first upper otic placodes and a second upper otic placode, a swizzle axle and a locking pin axle, the swizzle axle is used for connecting two lower otic placodes, two first upper otic placodes and one the second upper otic placode, the locking pin axle is used for fixing the swizzle axle.
Preferably, two the lower ear plate arrange in the both sides of ear plate on the second, lower ear plate with first shrouding fixed connection, two first last ear plate arrange in the both sides of ear plate on the second, first last ear plate with the second go up the ear plate respectively with main longitudinal beam fixed connection.
Preferably, the forward-direction and bridge-direction bifurcated piers and the bifurcated transition sections are fixed in a mode of butt-joint groove full penetration welding joint connection, the first web plate is formed by hot bending, and the cross section of the forward-direction and bridge-direction bifurcated piers is trapezoidal.
Preferably, the lower ear plate is fixed with the first sealing plate by adopting a mode of groove full penetration welding connection, and the lower ear plate comprises a first ear plate, a first reinforcing plate and a third reinforcing plate.
Preferably, the first upper ear plate and the main longitudinal beam are fixed in a mode of groove full penetration welding connection, and the first upper ear plate comprises a second ear plate and a fourth stiffening plate.
Preferably, the second upper ear plate is fixed with the main longitudinal beam by adopting a mode of groove full-penetration welding connection, and the second upper ear plate comprises a third ear plate and a second reinforcing plate.
The utility model has the advantages that:
the utility model discloses because above-mentioned structural design has following advantage:
1. the pier bifurcation structure mainly comprises four bifurcation piers and a bifurcation transition section, and the stability of the girder structure is guaranteed by the four bifurcation piers, namely two forward-direction bifurcation piers and two transverse-direction bifurcation piers, and the landscape effect of the pedestrian overpass is improved on the premise of guaranteeing the stress safety of the structure.
2. The forward-bridge-direction bifurcation pier adopts a trapezoidal section, the first web plate is formed by hot bending, the ridge line is clear, and the appearance effect is better.
3. The bottom plate of the forward-bridge forked pier is aligned with the second stiffening plate of the transition section; the second top plate of the transverse bridge-direction bifurcated pier is aligned to the top plate stiffening plate, the second web plate is in butt joint with the gusset plate, the upper structure load is effectively transmitted to the bifurcated transition section respectively, and the load is stably transmitted to the main pier through the bifurcated transition section.
4. The pier top hinged support is only arranged on the forward-bridge forked pier, so that the transmission of vertical load at the position is guaranteed, and meanwhile, the corner of the main longitudinal beam can be released, so that the structural stress is more reasonable.
Drawings
Fig. 1 is a schematic elevation structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic structural view of the forward direction bridge-direction diverging pier of the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view taken along line B-B in FIG. 3;
FIG. 6 is a schematic structural view of a middle transverse direction bridge-direction bifurcation pier of the utility model;
FIG. 7 is a schematic cross-sectional view at C-C of FIG. 6;
fig. 8 is a schematic structural view of a bifurcated transition section of the present invention;
FIG. 9 is a schematic cross-sectional view taken at D-D in FIG. 8;
FIG. 10 is a schematic cross-sectional view taken at E-E of FIG. 8;
FIG. 11 is a schematic cross-sectional view at F-F in FIG. 8;
FIG. 12 is a schematic cross-sectional view taken at G-G in FIG. 8;
fig. 13 is a schematic view of the vertical plane structure of the middle pillar top hinged support of the present invention;
FIG. 14 is a schematic sectional view of the middle pier top hinged support of the present invention;
fig. 15 is a schematic elevation structure view of the middle and lower ear plates of the present invention;
FIG. 16 is a schematic cross-sectional view of the middle and lower ear plates of the present invention;
fig. 17 is a schematic elevation structure view of a first upper ear plate of the present invention;
fig. 18 is a schematic sectional view of the first upper ear plate of the present invention;
fig. 19 is a schematic elevation view of a second upper ear plate of the present invention;
fig. 20 is a schematic sectional view of a second upper ear plate according to the present invention.
In the figure: 1 pier bifurcating structure, 11 forward-direction bifurcating piers, 111 first top plates, 112 bottom plates, 113 first web plates, 114 first partition plates, 115 first closing plates, 116 first stiffening plates, 12 transverse-direction bifurcating piers, 121 second top plates, 122 second web plates, 123 second partition plates, 13 bifurcating transition sections, 131 third top plates, 132 third web plates, 133 second stiffening plates, 134 third partition plates, 135 node plates, 136 top plate stiffening plates, 137 second closing plates, 138 first node partition plates, 139 second node partition plates, 2 pier top hinge supports, 21 lower ear plates, 211 first ear plates, 212 first stiffening plates, 213 third stiffening plates, 22 first upper ear plates, 221 second ear plates, 222 fourth stiffening plates, 23 second upper ear plates, 231 third ear plates, 232 second stiffening plates, 24 main pin shafts and 25 locking pin shafts.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
as shown in fig. 1-2, a bifurcated bridge pier suitable for a multi-girder comprises a girder body and a bridge pier, wherein the girder body and the bridge pier are connected by a bridge pier bifurcated structure 1;
the bridge pier bifurcation structure 1 comprises four bifurcation piers and a bifurcation transition section 13;
the four branched piers consist of two forward direction branched piers 11 and two transverse direction branched piers 12;
the two forward-direction bridge-direction bifurcated piers 11 are used for supporting a main longitudinal beam of a beam body, and the forward-direction bridge-direction bifurcated piers 11 are connected with the main longitudinal beam through a pier top hinged support 2;
the two transverse direction bifurcate piers 12 are respectively supported on the secondary longitudinal beams at two sides of the beam body, and the transverse direction bifurcate piers 12 are fixedly connected with the main longitudinal beam.
As shown in fig. 3-5, two forward-direction diverging piers 11 are supported on a main longitudinal beam, the forward-direction diverging piers 11 are connected with the main longitudinal beam through a pier top hinged support 2, the forward-direction diverging piers 11 are fixed with a diverging transition section 13 by adopting a butt-joint groove full penetration welding seam connection mode, the cross section of the forward-direction diverging piers 11 is trapezoidal, a single forward-direction diverging pier 11 comprises a first rod piece composed of a first top plate 111, a bottom plate 112 and a first web 113, the first web 113 is formed by hot bending, a first partition plate 114 is arranged in the middle of the first rod piece, and a first sealing plate 115 and two first stiffening plates 116 are arranged at the top of the first rod piece;
as shown in fig. 6-7, two transverse diverging piers 12 are respectively supported on the two side minor longitudinal beams, the transverse diverging piers 12 are fixedly connected with the major longitudinal beams, a single transverse diverging pier 12 comprises a second rod member composed of a second top plate 121 and a second web plate 122, and a second clapboard 123 is arranged in the middle of the second rod member;
as shown in fig. 8-12, the bifurcated transition section 13 includes a hexagonal bridge pier composed of a third top plate 131, a third web plate 132, a second stiffening plate 133 and a third partition 134, a second sealing plate 137 is disposed on the top of the bridge pier, two forward bifurcating piers 11 are intersected with the second sealing plate 137, two transverse bifurcating piers 12 are intersected with a first node partition 138, a top plate stiffening plate 136 extending into the bridge pier is disposed on the bottom of the first node partition 138, a node plate 135 is disposed on the node region of the second web plate 122, and the second partition 123 is connected with the first partition 139 for smoothing load transmission;
as shown in fig. 13-14, the single pier-top hinged support 2 comprises two lower ear plates 21, two first upper ear plates 22 and one second upper ear plate 23, a main pin shaft 24 and a locking pin shaft 25, wherein the main pin shaft 24 is used for connecting the two lower ear plates 21, the two first upper ear plates 22 and the second upper ear plate 23, and the locking pin shaft 25 is used for fixing the main pin shaft 24;
as shown in fig. 15 to 16, two lower ear plates 21 are disposed on two sides of the second upper ear plate 23, the lower ear plates 21 are fixed to the first sealing plate 115 by a full penetration weld, and the lower ear plates 21 include a first ear plate 211, a first reinforcing plate 212, and a third stiffening plate 213.
As shown in fig. 17 to 18, two first upper ear plates 22 are arranged on two sides of the second upper ear plate 23, the first upper ear plates 22 are fixed with the main longitudinal beams by a full penetration weld connection of grooves, and the first upper ear plates include a second ear plate 221 and a fourth stiffening plate 222.
As shown in fig. 19 to 20, the second upper ear plate 23 is fixed to the main longitudinal beam by a full penetration weld, and the second upper ear plate 23 includes a third ear plate 231 and a second reinforcing plate 232.
The utility model discloses construction flow:
step one, connecting a third top plate 131 of the pier and a third web 132 by adopting a groove penetration weld to form a hexagonal thin-wall pier;
step two, connecting the second stiffening plate 133 with the second sealing plate 137 by using a fillet weld, then integrally inserting the second stiffening plate 133 into the hexagonal thin-wall pier, connecting the pier with the second sealing plate 137 by using a single-side groove penetration weld, and connecting the second stiffening plate 133 with the pier wall of the pier by using the fillet weld;
step three, constructing the transverse bridge direction bifurcation pier 12 by adopting a method of gradually welding from bottom to top, welding the gusset plate 135 and the second seal plate 137 one by one, then welding the two second top plates 121 and the second seal plate 137, then embedding the two top plate stiffening plates 136 and the first gusset plate 138 and welding, then connecting the remaining gusset plate 135 by adopting single-edge groove penetration welding, and finally sequentially connecting the two second top plates 121, the second partition plates 123 and the second gusset plate 139 on the inner side by adopting single-edge groove penetration welding and connecting the two second top plates 121, the second partition plates 123 and the second gusset plate 139 with the node;
welding and forming three sides of a first top plate 111, a bottom plate 112 and a first web 113 along the bridge direction forked pier 11, welding a first partition plate 114 and a first stiffening plate 116, welding a fourth side of the bridge direction forked pier 11, welding a first sealing plate 115 and the bridge direction forked pier 11, polishing and jacking the first sealing plate 115 and the first stiffening plate 116, and welding the whole body of the bridge direction forked pier 11 and a second sealing plate 137 by adopting single-side groove penetration welding after the first sealing plate 115 and the first stiffening plate 116 are formed;
and step five, welding the lower lug plate 21 with the first seal plate 115, accurately positioning the lower lug plate with the first upper lug plate 22 and the second upper lug plate 23 on the girder, and installing the main pin shaft 24 and the locking pin shaft 15 to complete the connection of the pier and the girder.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a branching pier suitable for many girders, includes the roof beam body and pier, its characterized in that: the beam body is connected with the bridge pier through a bridge pier bifurcation structure (1);
the bridge pier bifurcation structure (1) comprises four bifurcation piers and a bifurcation transition section (13);
the four branched piers consist of two forward-direction branched piers (11) and two transverse-direction branched piers (12);
the two forward-direction bifurcate piers (11) are used for supporting a main longitudinal beam of the beam body, and the forward-direction bifurcate piers (11) are connected with the main longitudinal beam through a pier top hinged support (2);
the two transverse direction bifurcate piers (12) are respectively supported on the secondary longitudinal beams on two sides of the beam body, and the transverse direction bifurcate piers (12) are fixedly connected with the main longitudinal beam.
2. The bifurcated pier suitable for multiple girders according to claim 1, wherein: the forward-bridge-direction diverging pier (11) comprises a first rod piece consisting of a first top plate (111), a bottom plate (112) and a first web plate (113), a first partition plate (114) is arranged in the middle of the first rod piece, and a first sealing plate (115) and two first stiffening plates (116) are arranged at the top of the first rod piece.
3. The bifurcated pier suitable for multiple girders according to claim 2, wherein: the transverse bridge-direction diverging pier (12) comprises a second rod piece consisting of a second top plate (121) and a second web plate (122), and a second partition plate (123) is arranged in the middle of the second rod piece.
4. The bifurcated pier suitable for multiple girders according to claim 3, wherein: the bifurcation transition section (13) comprises a pier consisting of a third top plate (131), a third web plate (132), second stiffening plates (133) and third partition plates (134), wherein a second sealing plate (137) is arranged at the top of the pier, two bifurcation piers (11) are intersected on the second sealing plate (137) along the bridge direction, two transverse bridge bifurcation piers (12) are intersected on first node partition plates (138), the bottom of each first node partition plate (138) is provided with a top plate stiffening plate (136) extending into the pier, each second web plate (122) is provided with a node plate (135) in a node area, and the second partition plates (123) are connected through second node partition plates (139).
5. The bifurcated pier suitable for multiple girders according to claim 4, wherein: singly pier top hinge support (2) are including two lower otic placodes (21), two first upper ear boards (22) and one second upper ear board (23), a swizzle axle (24) and a locking pin axle (25), swizzle axle (24) are used for connecting two lower otic placode (21), two first upper ear board (22) and one otic placode (23) are gone up to the second, locking pin axle (25) are used for fixing swizzle axle (24).
6. The bifurcated bridge pier suitable for a multi-girder according to claim 5, wherein: two lower ear plate (21) arrange in the both sides of ear plate (23) are gone up to the second, lower ear plate (21) with first shrouding (115) fixed connection, two first last ear plate (22) arrange in the both sides of ear plate (23) are gone up to the second, first last ear plate (22) with ear plate (23) respectively with main longeron fixed connection is gone up to the second.
7. The bifurcated bridge pier suitable for a multi-girder according to claim 5, wherein: the forward-bridge-direction bifurcated pier (11) and the bifurcated transition section (13) are fixed in a butt-joint groove full penetration welding joint mode, the first web plate (113) is formed by hot bending, and the cross section of the forward-bridge-direction bifurcated pier (11) is trapezoidal.
8. The bifurcated bridge pier suitable for a multi-girder according to claim 5, wherein: the lower ear plate (21) is fixed with the first sealing plate (115) in a mode of groove full-penetration welding connection, and the lower ear plate (21) comprises a first ear plate (211), a first reinforcing plate (212) and a third reinforcing plate (213).
9. The bifurcated pier suitable for multiple girders according to claim 5, wherein: the first upper ear plate (22) is fixed with the main longitudinal beam in a mode of groove full penetration welding connection, and comprises a second ear plate (221) and a fourth stiffening plate (222).
10. The bifurcated pier suitable for multiple girders according to claim 9, wherein: the second upper ear plate (23) is fixed with the main longitudinal beam in a mode of groove full penetration weld joint connection, and the second upper ear plate (23) comprises a third ear plate (231) and a second reinforcing plate (232).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210011685.4A CN114319086A (en) | 2022-01-06 | 2022-01-06 | Forked pier suitable for multiple main beams |
| CN2022100116854 | 2022-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218861321U true CN218861321U (en) | 2023-04-14 |
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ID=81024709
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210011685.4A Withdrawn CN114319086A (en) | 2022-01-06 | 2022-01-06 | Forked pier suitable for multiple main beams |
| CN202222106736.XU Active CN218861321U (en) | 2022-01-06 | 2022-08-11 | Forked pier suitable for multiple main beams |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210011685.4A Withdrawn CN114319086A (en) | 2022-01-06 | 2022-01-06 | Forked pier suitable for multiple main beams |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114319086A (en) |
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2022
- 2022-01-06 CN CN202210011685.4A patent/CN114319086A/en not_active Withdrawn
- 2022-08-11 CN CN202222106736.XU patent/CN218861321U/en active Active
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| Publication number | Publication date |
|---|---|
| CN114319086A (en) | 2022-04-12 |
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