WO2015024464A1 - Ferme à montage rapide pour suspendre des nacelles - Google Patents

Ferme à montage rapide pour suspendre des nacelles Download PDF

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Publication number
WO2015024464A1
WO2015024464A1 PCT/CN2014/084048 CN2014084048W WO2015024464A1 WO 2015024464 A1 WO2015024464 A1 WO 2015024464A1 CN 2014084048 W CN2014084048 W CN 2014084048W WO 2015024464 A1 WO2015024464 A1 WO 2015024464A1
Authority
WO
WIPO (PCT)
Prior art keywords
chord
connecting rod
plane connecting
quick
node shaft
Prior art date
Application number
PCT/CN2014/084048
Other languages
English (en)
Chinese (zh)
Inventor
高作平
周剑波
陈明祥
张畅
Original Assignee
武汉武大巨成结构股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 武汉武大巨成结构股份有限公司 filed Critical 武汉武大巨成结构股份有限公司
Publication of WO2015024464A1 publication Critical patent/WO2015024464A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/005—Girders or columns that are rollable, collapsible or otherwise adjustable in length or height
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0486—Truss like structures composed of separate truss elements
    • E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces

Definitions

  • the present invention relates to a basket truss, and more particularly to a basket truss that can be assembled quickly, and belongs to the technical field of bridge maintenance equipment.
  • the Chinese patent authorization publication number is: CN102635069A
  • the announcement date is: August 15, 2012
  • invention patent discloses a composite bridge truss structure assembly rotating frame, including a bracket, and the bracket is formed into a narrow and wide trapezoidal stable structure.
  • Two bearing seats are fixedly mounted on both ends of the bracket, a frame type platform is arranged in the middle of the bracket, two shafts are fixedly connected on both sides of the frame type platform, and the two bearing housings are connected with the bracket, in the frame
  • the inside of the platform is provided with eight workpieces, and the workpiece is fixed on the frame platform by a pressure plate, and the frame platform can be rotated around the axis by a certain angle on the bracket.
  • the structure of the device is complicated, cannot be assembled and disassembled quickly, and cannot be integrally stretched and unfolded. It is difficult, time-consuming and labor-intensive to assemble and disassemble, occupying a large space, and being inconvenient to transport, which is not conducive to improving the construction efficiency of bridge maintenance.
  • the object of the present invention is to solve the single structure of the hanging basket truss used in the existing bridge maintenance, which cannot be assembled and disassembled quickly, and is difficult and time-consuming to assemble and disassemble, and the space occupied is large, and the defects of transportation are not easy. Insufficient, it is now available as a fast-assembling basket truss that is compact, quick to assemble and disassemble, small in space, easy to transport, easy to use, and reusable.
  • a basket truss that can be quickly assembled, including an upper chord plane connecting rod and a lower chord plane connecting rod, and an end portion of the upper chord plane connecting rod and the lower chord plane connecting rod
  • An abdominal rod is respectively connected, and an upper node shaft bolt is arranged on an outer side of the upper end of the upper chord plane connecting rod and the lower chord plane connecting rod, and a lower node shaft bolt is arranged on the outer side of the upper end of the upper chord plane connecting rod and the lower chord plane connecting rod , the adjacent two upper node shaft bolts and the lower node shaft bolt are hinged by a diagonal web, and the upper joint shaft bolts on the same side are mounted with an upper chord.
  • a lower chord is mounted on the lower node shaft bolt, and an aluminum spring plate is mounted on the upper plane of the upper chord by bolts.
  • the upper chord is equidistantly disposed with a guardrail support, and the guardrail support is vertically installed on the guardrail support, and the guardrail is connected by a plurality of guardrails, and the guardrail is a steel cable or a soft rope, steel Both ends of the cable or the cord are respectively fixed on the upper chord.
  • the end portions of the upper chord and the lower chord are respectively provided with end plates, and the end plates are provided with bolt holes, and the upper chord and the lower chord respectively pass the bolt holes on the end plate and the upper node shaft bolt and the lower node shaft bolt Connected.
  • the inner diameter of the guardrail support is larger than the outer diameter of the guardrail, the bottom end of the guardrail is sleeved into the inner hole of the guardrail support, and the guardrail support and the guardrail are fixed by the screw.
  • the intersecting bars are respectively fixed on the diagonal lines of the rectangular frames formed by the upper chord plane connecting rod, the lower chord plane connecting rod and the webs, and the intersecting rods are made of angle steel.
  • the aluminum springboard is formed by longitudinally and cross-welding of the slotted aluminum material, and a patterned aluminum plate is also laid on the board surface and the bottom of the aluminum springboard.
  • the upper chord and the lower chord are both made of steel pipe, and the guardrail is made of steel pipe or aluminum alloy.
  • the upper node shaft bolt and the lower node shaft bolt are respectively provided with a limit position circlip.
  • the inclined web group of the present invention can be rotated or folded around a node axis by a certain angle, and the upper node shaft bolt is mounted with an upper chord, and the lower node shaft bolt is correspondingly equipped with a lower chord, and the upper chord and the lower string are mounted.
  • a rectangular frame formed by the upper chord connecting rod, the lower chord connecting rod and the web is installed between the rods, forming a space truss structure with quick installation and reasonable force.
  • the invention is provided with an aluminum springboard on the upper plane of the upper chord.
  • the aluminum springboard can not only bear the vertical load, but also has a certain in-plane stiffness, and can play a certain horizontal supporting role on the upper chord.
  • a guardrail is installed through the guardrail support, and the guardrails are connected by a plurality of guardrails to improve the safety protection performance during construction.
  • the invention has compact structure, adopts integral stretching and partial assembling structure, and the inclined web can realize stretching or gathering, which is convenient for quick assembly and disassembly, and has small space occupation, is convenient for transportation and repeated use, and can be widely used. Used for bridge overhaul.
  • FIG. 1 is a schematic view showing the structure of a diagonal web of the present invention when unstretched.
  • FIG. 2 is a schematic structural view of the oblique web of the present invention after stretching and stretching.
  • FIG 3 is a schematic structural view of the oblique web of the present invention after stretching and deploying the upper chord and the lower chord.
  • FIG. 4 is a schematic structural view of the utility model after installing the guard rail and the guard rail.
  • FIG. 5 is a schematic view showing the connection of the upper chord and the upper chord plane connecting rod of the present invention.
  • FIG. 6 is a schematic view showing the connection of the lower chord and the lower chord plane connecting rod of the present invention.
  • FIG. 7 is a schematic structural view of a rectangular frame of the present invention.
  • FIG. 8 is a schematic structural view of a joint shaft bolt connection portion of the present invention.
  • FIG. 9 is a side view of the joint shaft bolt connection portion of the present invention.
  • FIG. 10 is a schematic structural view of the present invention after laying an aluminum springboard.
  • FIG. 11 is a schematic view showing the structure of an end portion of an upper chord and a lower chord according to the present invention.
  • FIG. 12 is a side view of FIG. 11.
  • FIG. 13 is a schematic view showing the end structure of the web of the present invention.
  • FIG. 14 is a side view of FIG. 13.
  • a quick-assembling basket truss of the present invention includes an upper chord plane connecting rod 9 and a lower chord plane connecting rod 10, an end of the upper chord plane connecting rod 9 and the lower chord plane connecting rod 10.
  • An abdominal rod 11 is respectively connected between the upper shaft connecting rod 9 and the lower end of the lower chord connecting rod 10, and the upper node shaft bolt 2 is disposed at the lower end of the upper chord plane connecting rod 9 and the lower chord plane connecting rod 10
  • the lower node shaft bolt 3 is disposed on the outer side, and the adjacent two upper node shaft bolts 2 and the lower node shaft bolt 3 are hinged by the inclined web 1 , and the upper node shaft bolt 2 on the same side is mounted with the upper chord 4
  • a lower chord 5 is mounted on the lower node shaft bolt 3, and an aluminum springboard 15 is attached to the upper plane of the upper chord 4 by bolts.
  • the upper chord 4 is equidistantly disposed with a guardrail support 6, and the guardrail support 6 is vertically mounted with a guardrail 7, a guardrail
  • guard rails 8 are steel cables or cords, and the ends of the ropes or cords are respectively fixed on the upper chord 4.
  • the inner diameter of the guard rail support 6 is larger than the outer diameter of the guard rail 7, and the bottom end of the guard rail 7 is fitted into the inner hole of the guard rail support 6, and the guard rail support 6 and the guard rail 7 are fixed by the screw.
  • the aluminum springboard 15 is formed by cross-welding of the slot-shaped aluminum material, and a pattern aluminum plate is further laid on the board surface and the bottom of the aluminum springboard 15.
  • the upper chord 4 and the lower chord 5 are both made of steel pipe, and the guardrail 7 is made of steel pipe or aluminum alloy.
  • the upper node shaft bolt 2 and the lower node shaft bolt 3 are respectively provided with a limit position circlip 14 .
  • a rectangular frame formed by a web 11, an upper chord plane connecting rod 9, a lower chord plane connecting rod 10, and a web 11 is respectively connected between the end portions of the upper chord plane connecting rod 9 and the lower chord plane connecting rod 10.
  • the cross bars 12 are respectively fixed on the diagonal lines of the rectangular frame.
  • the cross bar 12 is made of angle steel, and the cross bar 12 serves as a support for improving the stability of the rectangular frame.
  • the upper node shaft bolt 2 is disposed on the outer side of the upper end of the upper chord plane connecting rod 9 and the lower chord plane connecting rod 10, and the lower node shaft bolt 3 is provided on the outer side of the lower end of the upper chord plane connecting rod 9 and the lower chord plane connecting rod 10, the upper chord plane
  • the connecting rod 9 and the lower chord plane connecting rod 10 mainly serve to connect.
  • the two adjacent upper node shaft bolts 2 and the lower node shaft bolts 3 are hinged by the inclined web 1 and the formed diagonal web system can be stretched or folded, which is quick and easy to deploy.
  • the upper node shaft bolt 2 on the same side is mounted with the upper chord 4, and the lower node shaft bolt 3 is correspondingly mounted with the lower chord 5.
  • the end portions of the upper chord 4 and the lower chord 5 are respectively provided with end plates, and the end plates are provided with bolt holes, and the upper chord 4 and the lower chord 5 respectively pass the bolt holes on the end plates and the upper node shaft bolts 2 and the lower node shaft bolts 3 phase connection.
  • Both the upper chord 4 and the lower chord 5 are made of steel pipe and have good strength.
  • the upper chord 4 is equidistantly disposed with a guard rail support 6, the inner diameter of the guard rail support 6 is larger than the outer diameter of the guard rail 7, and the bottom end of the guard rail 7 is fitted into the inner hole of the guard rail support 6, and is passed through a screw or The rivet secures the guard rail support 6 and the guard rail 7, and the guard rail 7 is perpendicular to the upper chord 4.
  • the guard rails 7 are connected by a plurality of guard rails 8 and the guard rails 8 are steel cables or cords, and the two ends of the ropes or cords are respectively fixed on the upper chord 4.
  • An aluminum springboard is mounted on the upper plane of the upper chord 4 by bolts, and the aluminum springboard is formed by cross-section welding of the slotted aluminum material, and a pattern aluminum plate is also laid on the surface and the bottom of the aluminum springboard.
  • the aluminum springboard should have a certain in-plane stiffness and horizontal support, which increases the space stiffness of the truss.
  • the basic parameters of the basket platform are finally determined.
  • the calculation of the space truss structure includes material strength check, member yield stress check, node bearing capacity check and overall structural stability check. Due to the uncertainty of the joint characteristics of the nodes and the spatial torsional effect, the finite element simulation of stability is difficult, so the stability of the overall structure is determined by the load test.
  • the invention adopts an overall stretching and partial assembling structure, and the inclined web can realize stretching or gathering, which is convenient for quick assembly and disassembly, and greatly facilitates transportation. It eliminates the need for a traditional hanging basket to be assembled with a large number of bolts. The trivial process saves manpower and is conducive to improving the construction efficiency of bridge overhaul.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

Ferme à montage rapide pour suspendre des nacelles, comprenant des tiges de liaison planes câblées supérieures (9) et des tiges de liaison planes câblées inférieures (10) ; les points de liaison supérieurs des tiges de liaison planes câblées supérieures (9) et des tiges de liaison planes câblées inférieures (10) comprennent, sur l'extérieur, des boulons d'arbre de nœud supérieurs (2), et les points de liaison inférieurs des tiges de liaison planes câblées supérieures (9) et des tiges de liaison planes câblées inférieures (10) comprennent, sur l'extérieur, des boulons d'arbre de nœud inférieurs (3) ; deux boulons d'arbre de nœud supérieurs (2) et boulons d'arbre de nœud inférieurs (3) voisins sont reliés par articulation par le biais d'une tige à âme diagonale (1) ; les boulons d'arbre de nœud supérieurs (2) du même côté sont dotés de tiges câblées supérieures (4), et des tiges câblées inférieures (5) sont disposées en correspondance au niveau des boulons d'arbre de nœud inférieurs (3). La présente invention présente une structure compacte et utilise une structure d'extension globale et d'assemblage partiel. Des tiges à âme diagonales peuvent être étendues ou repliées pour un montage et un démontage rapides. L'invention occupe un petit espace, elle facilite le transport et des usages répétés, et peut être largement appliquée pour l'inspection et l'entretien de ponts.
PCT/CN2014/084048 2013-08-21 2014-08-10 Ferme à montage rapide pour suspendre des nacelles WO2015024464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310366347.3A CN103437283B (zh) 2013-08-21 2013-08-21 一种能快速组装的吊篮桁架
CN201310366347.3 2013-08-21

Publications (1)

Publication Number Publication Date
WO2015024464A1 true WO2015024464A1 (fr) 2015-02-26

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CN (1) CN103437283B (fr)
WO (1) WO2015024464A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113309006A (zh) * 2021-07-01 2021-08-27 中交二航局第四工程有限公司 五排相邻并行悬浇连续梁错位同步设备及其施工方法

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CN103437283B (zh) * 2013-08-21 2015-08-26 武汉武大巨成结构股份有限公司 一种能快速组装的吊篮桁架
KR101567741B1 (ko) * 2015-02-16 2015-11-09 권용근 조립트러스 매립형 합성보
CN110879177B (zh) * 2018-09-06 2022-03-04 水利部交通运输部国家能源局南京水利科学研究院 一种混凝土水力劈裂测试中试件密封加固装置
CN109469205B (zh) * 2018-11-30 2024-01-30 中国电建集团成都勘测设计研究院有限公司 可展开单元式双层网壳结构
CN110552459B (zh) * 2019-09-26 2022-01-07 武汉卡特激光工程有限责任公司 一种高强度横梁结构

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CN203451999U (zh) * 2013-08-21 2014-02-26 武汉武大巨成加固实业有限公司 一种能快速组装的吊篮桁架

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US3994036A (en) * 1972-09-18 1976-11-30 Fisher Sidney L Flexible staging platform and the like
US4089148A (en) * 1975-10-06 1978-05-16 Oehmsen Plastic Greenhouse Mfg. Inc. Structural truss assembly
CN2176379Y (zh) * 1993-10-09 1994-09-07 张建锡 桁架机构伸缩式晾衣架
CN101215821A (zh) * 2007-12-29 2008-07-09 武汉武大巨成加固实业有限公司 移动式桥梁结构检测与维护装置
CN201747060U (zh) * 2010-05-19 2011-02-16 山东德建集团有限公司 组装式模板桁架支撑
CN202090283U (zh) * 2011-05-12 2011-12-28 广州市承信公路工程检验有限公司 一种可拼装、拆解的桥梁检测工作平台
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CN103437283A (zh) * 2013-08-21 2013-12-11 武汉武大巨成加固实业有限公司 一种能快速组装的吊篮桁架
CN203451999U (zh) * 2013-08-21 2014-02-26 武汉武大巨成加固实业有限公司 一种能快速组装的吊篮桁架

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113309006A (zh) * 2021-07-01 2021-08-27 中交二航局第四工程有限公司 五排相邻并行悬浇连续梁错位同步设备及其施工方法
CN113309006B (zh) * 2021-07-01 2023-04-07 中交二航局第四工程有限公司 五排相邻并行悬浇连续梁错位同步设备及其施工方法

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CN103437283B (zh) 2015-08-26

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