CN110965478A - Lifting beam and beam moving integrated support mechanism - Google Patents

Lifting beam and beam moving integrated support mechanism Download PDF

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Publication number
CN110965478A
CN110965478A CN201911376273.5A CN201911376273A CN110965478A CN 110965478 A CN110965478 A CN 110965478A CN 201911376273 A CN201911376273 A CN 201911376273A CN 110965478 A CN110965478 A CN 110965478A
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CN
China
Prior art keywords
steel pipe
lifting
main truss
steel
upright post
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Pending
Application number
CN201911376273.5A
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Chinese (zh)
Inventor
杜洪池
荆刚毅
施津安
蒋能世
李华清
王海海
乔学宁
李伟
张毅君
梁彬彬
李海亮
孙明利
肖培
马志青
雷钧
王凯
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CCCC SHEC Second Engineering Co Ltd
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CCCC SHEC Second Engineering Co Ltd
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Priority to CN201911376273.5A priority Critical patent/CN110965478A/en
Publication of CN110965478A publication Critical patent/CN110965478A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/06Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The invention provides a lifting beam and beam moving integrated support mechanism which comprises a beam section lifting system, a main truss traction system, steel pipe upright supports and a beam storage support, wherein the beam section lifting system is connected with the main truss through a distribution beam, the steel pipe upright supports are arranged on two sides of the main truss, the main truss is connected with the steel pipe upright supports through the main truss traction system, and one end of the beam storage support is positioned below the steel pipe upright supports; the lower end of the beam section lifting system is connected with a beam section. According to the invention, the beam section lifting system is arranged on the main truss, the main truss acts a force on the basis of the steel pipe upright posts through the steel pipe upright post supports on the two sides, and after the beam section is lifted in place, the beam section is pulled to a specified position by using the main truss traction system. The beam moving safety is improved by moving the beam through the main truss traction system, and the mechanism can realize the integrated construction of lifting and beam moving.

Description

Lifting beam and beam moving integrated support mechanism
Technical Field
The invention relates to the field of lifting and sliding of bridge beam sections, in particular to a lifting beam and beam moving integrated support mechanism.
Background
With the rapid development of bridge construction in China, the erection of the upper structure of the bridge is greatly influenced by geographical positions and topographic conditions, and how to realize the erection and installation of large-tonnage beam sections becomes a problem which needs to be solved urgently in the closure process of the beam sections of the bridge.
In the past, when the beam section is lifted, equipment such as a beam lifter is mainly adopted to lift the beam section, the structure of the lifting equipment is complex, the manufacturing cost is high, and the lifting equipment is not easy to mount and dismount. And the conventional beam lifting equipment can only carry out the movement adjustment of the beam section in a small range, and cannot meet the requirement of accurate control of the beam section in place.
Disclosure of Invention
In order to solve the problems of complexity, high cost and difficulty in disassembly of the conventional lifting device for the beam section, the invention provides the lifting beam and beam moving integrated bracket mechanism which is stable in structure, low in manufacturing cost and easy to install and disassemble. The integrated bracket mechanism provided by the invention can safely and stably complete the lifting and sliding of the beam section, realize the integrated construction of lifting and moving the beam, effectively reduce the construction risk and ensure the on-site construction efficiency of the large-tonnage beam section.
The technical scheme adopted by the invention is as follows:
a lifting beam and beam moving integrated support mechanism comprises a beam section lifting system, a main truss traction system, steel pipe upright supports and a beam storage support, wherein the beam section lifting system is connected with the main truss through a distribution beam, the steel pipe upright supports are arranged on two sides of the main truss, the main truss is connected with the steel pipe upright supports through the main truss traction system, and one end of the beam storage support is positioned below the steel pipe upright supports; the lower end of the beam section lifting system is connected with a beam section.
The beam section lifting system consists of four hydraulic continuous jacks, a matched guide frame, a winding roll and a sling, wherein the hydraulic continuous jacks are arranged on the distribution beam and are connected with the guide frame, and the guide frame is connected with the winding roll; the sling is arranged at the lower end of the hydraulic continuous jack and is connected with the beam section.
The number of the distribution beams is four, and the distribution beams are uniformly distributed on the main truss.
The main truss traction system comprises a counter-force seat, a hollow jack, a main truss connecting device and finish rolling deformed steel bars, the main truss traction system is connected with a main truss through the main truss connecting device, the counter-force seat is connected with a transverse bearing beam of the steel pipe upright post support, the finish rolling deformed steel bars are connected with the main truss connecting device, the hollow jack is arranged at one end of the counter-force seat and connected with the finish rolling deformed steel bars arranged at the other end of the counter-force seat.
The steel pipe upright post bracket comprises a concrete enlarged foundation, a steel pipe upright post, a horizontal connection, an inclined strut, a longitudinal bearing beam and a transverse bearing beam, wherein the longitudinal bearing beam and the transverse bearing beam are vertically arranged, the longitudinal bearing beam and the concrete enlarged foundation are connected through the steel pipe upright post, and the steel pipe upright post is transversely connected through the horizontal connection and the inclined strut.
The upright column of the steel pipe adopts a steel pipe with the diameter of 630 multiplied by 8mm, the parallel connection adopts a steel pipe with the diameter of 426 multiplied by 6mm, and the inclined strut adopts I-shaped steel with the diameter of 2I 25 a.
The transverse bearing beam and the longitudinal bearing beam are both made of 2HN 900X 300 profile steel, cross bracing stiffening is arranged between the longitudinal bearing beam and the steel pipe upright post, and the transverse bearing beam and the longitudinal bearing beam are connected in a welding mode.
The steel pipe upright post bracket is higher than the beam storage bracket.
The invention has the beneficial effects that:
the invention lifts a beam section through a beam section lifting system, slides the beam section in place in a mode of driving the beam section to move through a main truss traction system, provides a lifting beam and beam moving integrated bracket mechanism, is suitable for lifting large-tonnage beam sections, has the advantages of stable structure, low manufacturing cost and easy installation and disassembly, increases the beam moving safety through the main truss traction system, and can realize the integrated construction of the lifting beam and the beam moving and provide a lifting beam and beam moving construction method.
The following will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is an overall schematic view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a floor plan of the present invention.
Fig. 4 is a side layout view of the present invention.
Fig. 5 is a schematic view of the beam segment lift system of the present invention.
Fig. 6 is a schematic view of the primary truss traction system of the present invention.
In the figures, the reference numbers are: 1. a beam section hoisting system; 2. a main truss; 3. a primary truss traction system; 4. a steel pipe upright post bracket; 5. storing the beam support; 6. a beam section; 7. a hydraulic continuous jack; 8. a guide frame; 9. a take-up reel; 10. a hoist rigging; 11. a distribution beam; 12. a counter-force seat; 13. a hollow jack; 14. a main girder connecting device; 15. finish rolling the deformed steel bar; 16. a steel pipe upright post; 17. parallel connection; 18. bracing; 19. a longitudinal load-bearing beam; 20. a transverse spandrel girder; 21. the concrete expands the foundation.
Detailed Description
Example 1:
in order to solve the problems of complexity, high cost and difficulty in disassembly of the conventional lifting device for the beam section, the invention provides the lifting beam and beam moving integrated bracket mechanism shown in the figures 1-6. The integrated bracket mechanism provided by the invention can safely and stably complete the lifting and sliding of the beam section, realize the integrated construction of lifting and moving the beam, effectively reduce the construction risk and ensure the on-site construction efficiency of the large-tonnage beam section.
A lifting beam and beam moving integrated support mechanism comprises a beam section lifting system 1, a main truss 2, a main truss traction system 3, a steel pipe upright support 4 and a beam storage support 5, wherein the beam section lifting system 1 is connected with the main truss 2 through a distribution beam 11, the steel pipe upright supports 4 are arranged on two sides of the main truss 2, the main truss 2 is connected with the steel pipe upright supports 4 through the main truss traction system 3, and one end of the beam storage support 5 is positioned below the steel pipe upright supports 4; the lower end of the beam section lifting system 1 is connected with a beam section 6.
According to the invention, a beam section lifting system 1 is arranged on a main truss 2, the main truss 2 acts on the basis of steel pipe upright posts through steel pipe upright post supports 4 on two sides, and after a beam section 6 is lifted in place, the beam section 6 is pulled to a beam storage support 5 by using a main truss traction system 3. The beam moving safety is improved by moving the beam through the main truss traction system 3, and the integrated construction of lifting and beam moving is realized.
The invention is suitable for lifting a large-tonnage beam section 6, has the advantages of stable structure, low manufacturing cost and easy assembly and disassembly, increases the safety of beam moving by moving the beam section 6 through the main truss traction system 3, and realizes the integrated construction of beam lifting and beam moving.
Example 2:
based on the embodiment 1, in this embodiment, the beam segment lifting system 1 is composed of four hydraulic continuous jacks 7, and a matched guide frame 8, a winding reel 9 and a sling 10, the hydraulic continuous jacks 7 are arranged on a distribution beam 11, the hydraulic continuous jacks 7 are connected with the guide frame 8, and the guide frame 8 is connected with the winding reel 9; the sling 10 is arranged at the lower end of the hydraulic continuous jack 7 and is connected with the beam section 6.
The number of the distribution beams 11 is four, and the distribution beams are uniformly distributed on the main truss 2.
The beam section lifting system 1 of the invention consists of 4S 185 multi-gantry hydraulic continuous jacks 7 and matched guide frames 8, wire reels 9 and rigging 10. In actual use, 4 hydraulic jacks 7 and the sling 10 correspond to 4 temporary hoisting points on the beam section 6, and the lifting steel strand lifting lugs are hinged with the beam section lifting lugs. The beam section 6 is stably lifted to the design height at a constant speed.
Main truss traction system 3 include reaction seat 12, hollow jack 13, main purlin connecting device 14 and finish rolling deformed steel bar 15, main truss traction system 3 be connected with main truss 2 through main purlin connecting device 14, reaction seat 12 be connected with the horizontal spandrel girder 20 of steel pipe stand support 4, finish rolling deformed steel bar 15 be connected with main purlin connecting device 14, hollow jack 13 establish the one end at reaction seat 12, and be connected with the finish rolling deformed steel bar 15 of establishing at the reaction seat 12 other end.
The main truss traction system 3 provided by the invention comprises a counterforce seat 12 acting on a transverse bearing beam 20, a hollow jack 13 providing traction force, a main truss connecting device 14 and finish-rolled deformed steel bars 15. And (3) dragging the finish rolling deformed steel bars 15 by a hollow jack 13 to drive the main truss 2 and the beam section 6 to integrally and horizontally move to the beam storage bracket 5.
The steel pipe upright post bracket 4 comprises a concrete enlarged foundation 21, a steel pipe upright post 16, a flat connection 17, an inclined strut 18, a longitudinal bearing beam 19 and a transverse bearing beam 20, wherein the longitudinal bearing beam 19 and the transverse bearing beam 20 are vertically arranged, the longitudinal bearing beam 19 is connected with the concrete enlarged foundation 21 through the steel pipe upright post 16, and the steel pipe upright post 16 is transversely connected with the inclined strut 18 through the flat connection 17.
The steel tube upright post 16 adopts a steel tube with the diameter of 630 multiplied by 8mm, the parallel connection 17 adopts a steel tube with the diameter of 426 multiplied by 6mm, and the inclined strut 18 adopts an I-shaped steel with the diameter of 2I 25 a.
The transverse bearing beam 20 and the longitudinal bearing beam 19 both adopt 2HN 900X 300 section steel, a cross brace is arranged between the longitudinal bearing beam 19 and the steel pipe upright post 16 for stiffening, and the transverse bearing beam 20 and the longitudinal bearing beam 19 are connected in a welding mode.
The steel tube upright post bracket 4 is higher than the beam storage bracket 5.
In the invention, the concrete enlarged foundation 21 is provided with concrete with the reference number C30, 2 layers of HRB335-25 transverse and longitudinal reinforcing steel bar nets are arranged, and vertical reinforcing steel bars HRB335-32 are used for connection. The steel tube upright posts 16 are made of steel tubes with the diameter of 630 mm multiplied by 8mm, and are connected in the transverse direction by adopting parallel connection 17 and inclined struts 18. The parallel connection 17 adopts a steel pipe with the diameter of 426 multiplied by 6mm, and the inclined strut 18 adopts an I-shaped steel with the diameter of 2I 25 a. The transverse bearing beams 20 and the longitudinal bearing beams 19 adopt 2HN 900X 300 section steel. And a cross brace stiffening rib is arranged between the longitudinal bearing beam 19 and the steel pipe upright post 16, the longitudinal bearing beam 19 and the transverse bearing beam 20 are connected in a welding mode by using a cover plate.
During the in-service use, arrange concrete and enlarge basis 21 and guarantee that the foundation bearing capacity meets the demands, carry out the pre-buried of steel pipe stand 16 built-in fitting before concrete placement, guarantee that the overall stability of steel pipe stand support 4 structure meets the demands, arrange steel pipe parallel connection 17 and I-steel bracing 18 between the steel pipe stand 16 is horizontal to guarantee the lateral stability of supporting structure.
When the integrated support mechanism is in actual use, the beam section 6 reaches the position under the beam section lifting system 1, the beam section lifting system 1 is controlled to lift the beam section 6 to the position with the height consistent with the designed elevation, the beam section 6 is slid onto the beam storage support 5 through the main truss traction system 3, and finally the lifting and sliding of the beam section are realized, and the integrated support mechanism is used for effectively improving the construction efficiency of the beam section in place.
The beam moving safety is improved by moving the beam through the main truss traction system 3, and the integrated construction of lifting and beam moving is realized.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims. The structure of the apparatus and the method thereof not described in detail in the present invention are prior art, and the description thereof will not be repeated.

Claims (8)

1. The utility model provides a handle and move roof beam integration gimbal mechanism which characterized in that: the steel pipe steel column lifting system comprises a beam section lifting system (1), a main truss (2), a main truss traction system (3), steel pipe column supports (4) and a beam storage support (5), wherein the beam section lifting system (1) is connected with the main truss (2) through a distribution beam (11), the steel pipe column supports (4) are arranged on two sides of the main truss (2), the main truss (2) is connected with the steel pipe column supports (4) through the main truss traction system (3), and one end of the beam storage support (5) is located below the steel pipe column supports (4); the lower end of the beam section lifting system (1) is connected with a beam section (6).
2. The integrated bracket mechanism for lifting and moving beams according to claim 1, which is characterized in that: the beam section lifting system (1) consists of four hydraulic continuous jacks (7), a matched guide frame (8), a winding reel (9) and a sling (10), wherein the hydraulic continuous jacks (7) are arranged on a distribution beam (11), the hydraulic continuous jacks (7) are connected with the guide frame (8), and the guide frame (8) is connected with the winding reel (9); the sling (10) is arranged at the lower end of the hydraulic continuous jack (7) and is connected with the beam section (6).
3. The integrated bracket mechanism for lifting and moving beams according to claim 1, which is characterized in that: the number of the distribution beams (11) is four, and the distribution beams are uniformly distributed on the main truss (2).
4. The integrated bracket mechanism for lifting and moving beams according to claim 1, which is characterized in that: main truss traction system (3) include reaction seat (12), hollow jack (13), main purlin connecting device (14) and finish rolling screw-thread steel (15), main truss traction system (3) be connected with main purlin connecting device (14) through main purlin (2), reaction seat (12) be connected with horizontal spandrel girder (20) of steel pipe stand support (4), finish rolling screw-thread steel (15) be connected with main purlin connecting device (14), hollow jack (13) establish the one end at reaction seat (12), and be connected with finish rolling screw-thread steel (15) of establishing at the reaction seat (12) other end.
5. The integrated bracket mechanism for lifting and moving beams as claimed in claim 1, is characterized in that: the steel pipe upright post bracket (4) comprises a concrete expansion foundation (21), a steel pipe upright post (16), a parallel connection (17), an inclined strut (18), a longitudinal bearing beam (19) and a transverse bearing beam (20), wherein the longitudinal bearing beam (19) and the transverse bearing beam (20) are vertically arranged, the longitudinal bearing beam (19) and the concrete expansion foundation (21) are connected through the steel pipe upright post (16), and the steel pipe upright post (16) is transversely connected through the parallel connection (17) and the inclined strut (18).
6. The integrated bracket mechanism for lifting and moving beams as claimed in claim 5, is characterized in that: the steel tube upright post (16) adopts a steel tube with the diameter of 630 multiplied by 8mm, the parallel connection (17) adopts a steel tube with the diameter of 426 multiplied by 6mm, and the inclined strut (18) adopts I-shaped steel with the diameter of 2I 25 a.
7. The integrated bracket mechanism for lifting and moving beams as claimed in claim 5, is characterized in that: the transverse bearing beam (20) and the longitudinal bearing beam (19) both adopt 2HN 900X 300 section steel, cross bracing stiffening is arranged between the longitudinal bearing beam (19) and the steel pipe upright post (16), and the transverse bearing beam (20) and the longitudinal bearing beam (19) are connected in a welding mode.
8. The integrated bracket mechanism for lifting and moving beams as claimed in claim 1, is characterized in that: the steel pipe upright post bracket (4) is higher than the beam storage bracket (5).
CN201911376273.5A 2019-12-27 2019-12-27 Lifting beam and beam moving integrated support mechanism Pending CN110965478A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877195A (en) * 2020-06-24 2020-11-03 广东力特工程机械有限公司 Highway bridge sectional disassembly method
CN112249940A (en) * 2020-08-04 2021-01-22 中交二公局第二工程有限公司 Hydraulic lifting and positioning system of cable-stayed bridge deck crane
CN112479115A (en) * 2020-11-02 2021-03-12 上海市基础工程集团有限公司 Be used for steel-concrete composite beam cable-stay bridge to close bridge floor crane combined hoisting construction equipment of section
CN112982355A (en) * 2021-03-25 2021-06-18 西南交通大学 Comprehensive foundation coefficient testing device and method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761031A (en) * 2008-12-24 2010-06-30 上海市基础工程公司 Continuous and perpendicular lifting apparatus for large segmental bridge floor beam
CN102071646A (en) * 2010-12-31 2011-05-25 中铁大桥局集团第四工程有限公司 Large-tonnage box girder sea system and construction method
CN102127899A (en) * 2010-12-30 2011-07-20 中铁大桥局集团第二工程有限公司 System for lifting and sliding large-tonnage steel box girder in land area and shoal area and construction method thereof
CN207362709U (en) * 2017-09-27 2018-05-15 中国葛洲坝集团第五工程有限公司 A kind of erection crane of the two-way positioning of energy
CN108455459A (en) * 2017-02-17 2018-08-28 秦皇岛天业通联重工科技有限公司 A kind of lifting beam machine system
CN110396931A (en) * 2019-07-16 2019-11-01 中交第二公路工程局有限公司 A kind of excessively cable-styled erection crane of center double plane cable stayed bridge and its construction method
CN211689947U (en) * 2019-12-27 2020-10-16 中交二公局第二工程有限公司 Lifting beam and beam moving integrated support mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761031A (en) * 2008-12-24 2010-06-30 上海市基础工程公司 Continuous and perpendicular lifting apparatus for large segmental bridge floor beam
CN102127899A (en) * 2010-12-30 2011-07-20 中铁大桥局集团第二工程有限公司 System for lifting and sliding large-tonnage steel box girder in land area and shoal area and construction method thereof
CN102071646A (en) * 2010-12-31 2011-05-25 中铁大桥局集团第四工程有限公司 Large-tonnage box girder sea system and construction method
CN108455459A (en) * 2017-02-17 2018-08-28 秦皇岛天业通联重工科技有限公司 A kind of lifting beam machine system
CN207362709U (en) * 2017-09-27 2018-05-15 中国葛洲坝集团第五工程有限公司 A kind of erection crane of the two-way positioning of energy
CN110396931A (en) * 2019-07-16 2019-11-01 中交第二公路工程局有限公司 A kind of excessively cable-styled erection crane of center double plane cable stayed bridge and its construction method
CN211689947U (en) * 2019-12-27 2020-10-16 中交二公局第二工程有限公司 Lifting beam and beam moving integrated support mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877195A (en) * 2020-06-24 2020-11-03 广东力特工程机械有限公司 Highway bridge sectional disassembly method
CN112249940A (en) * 2020-08-04 2021-01-22 中交二公局第二工程有限公司 Hydraulic lifting and positioning system of cable-stayed bridge deck crane
CN112479115A (en) * 2020-11-02 2021-03-12 上海市基础工程集团有限公司 Be used for steel-concrete composite beam cable-stay bridge to close bridge floor crane combined hoisting construction equipment of section
CN112982355A (en) * 2021-03-25 2021-06-18 西南交通大学 Comprehensive foundation coefficient testing device and method
CN112982355B (en) * 2021-03-25 2021-11-23 西南交通大学 Comprehensive foundation coefficient testing device and method

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