CN205934747U - A hang basket that is used for cantilever to pour bridge construction operation with pre -compaction structure - Google Patents

A hang basket that is used for cantilever to pour bridge construction operation with pre -compaction structure Download PDF

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Publication number
CN205934747U
CN205934747U CN201620832379.7U CN201620832379U CN205934747U CN 205934747 U CN205934747 U CN 205934747U CN 201620832379 U CN201620832379 U CN 201620832379U CN 205934747 U CN205934747 U CN 205934747U
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China
Prior art keywords
hanging basket
bridge
truss
jack
frame
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CN201620832379.7U
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Inventor
李汉愿
武宏斌
李敏
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Fifth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
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Fifth Engineering Co Ltd of China Railway 18th Bureau Group Co Ltd
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Abstract

The utility model discloses a hang basket that is used for cantilever to pour bridge construction operation with pre -compaction structure, hang basket main part and pre -compaction structure including the cantilever type, a string basket main part include the one end anchor on no. 0 section panel on the bridge, the free end hangs in the outside of no. 0 section panel on the bridge to hang the basket truss with the upper end anchored of a jib, no. 0 section below on the bridge is fixed with the rear frame member, and the rear frame member front end is equipped with the front beam, the lower extreme and the front beam anchor of jib, and it has the distribution roof beam to stretch over on front beam and rear frame member, and distribution liang shangzai has placed the lumps of wood and steel template, the pre -compaction structure is including placing two jack on the steel template, and each welding of no. 0 section both sides web on the bridge has a triangle reaction frame, and two jack act on the following with two triangle reaction frames respectively. The utility model discloses make full use of hangs basket main part self, combines the triangle reaction frame to realize hanging the pre -compaction of basket, and the equipment of use is few, and the efficiency is high, simultaneously related to the equal circulated use of essential element, the expense is low.

Description

A kind of Hanging Basket for cantilever pouring bridge construction operation with prepressing structure
Technical field
The utility model is related to a kind of job platform of casting bridge construction, more particularly, to a kind of use with prepressing structure Job platform in cantilever pouring bridge construction.
Background technology
At present, in cantilever bridge construction, need to carry out precompressed to the job platform-Hanging Basket of cantilever segment, to verify Hanging Basket Bearing capacity and the inelastic deformation eliminating Hanging Basket, Hanging Basket precompressed generally adopts native (sand) bag to be placed on extension according to certain program On bracket in the key, precompressed is carried out to whole Hanging Basket system.The method needs equipment many, inefficiency, costly.
Utility model content
For above-mentioned the deficiencies in the prior art, the utility model provide a kind of have prepressing structure for cantilever Pour the Hanging Basket of bridge construction operation, the precompressed realizing Hanging Basket that can be fast, efficient, safe in installation process.
In order to solve above-mentioned almost problem, the utility model proposes a kind of have prepressing structure for cantilever pouring The Hanging Basket of bridge construction operation, including cantilevered Hanging Basket main body and prepressing structure, described cantilevered Hanging Basket main body includes two panels purlin Frame, described two panels truss connects into holistic Hanging Basket truss by a beret truss, and crab-bolt is passed through admittedly in one end of described Hanging Basket truss It is scheduled on 0 number section panel of bridge, the free end of described Hanging Basket truss is suspended from the outside of bridge 0 number section panel, described Hanging Basket purlin The free end of frame and the upper end anchoring of a suspension rod, are fixed with rear cross beam in the lower section of bridge 0 number section, positioned at the front end of rear cross beam It is provided with front beam, the lower end of described suspension rod and described front beam anchoring, be across described front beam and the top of described rear cross beam It is placed with distribution beam, described distribution beam is placed with the lumps of wood and steel template again;Described prepressing structure includes being placed on described steel Two jack above template, the pleurosternal upper and lower side of bridge 0 number section two is embedded with two blocks of steel plates respectively, every side upper and lower Respectively be welded with a triangle reaction frame between two blocks of steel plates, two jack act on respectively with two triangle reaction frames below.
In the utility model, described front beam is substantially parallel with described rear cross beam;The behind of underlying two blocks of steel plates It is welded with anchor bar;Described jack is hydraulic jack.
Compared with prior art, the beneficial effects of the utility model are:
The utility model makes full use of Hanging Basket main body itself, completes the precompressed of Hanging Basket in conjunction with triangle reaction frame, the setting of use Standby few, effect is high;Involved Hanging Basket main body, triangle reaction frame, the lumps of wood, steel template and jack is all capable of circulation makes simultaneously With expense is low.
Brief description
Fig. 1 is the side structure schematic diagram of the utility model Hanging Basket;
Fig. 2 is the positive structure schematic of Hanging Basket described in Fig. 1.
In figure:1- truss, 2- beret truss, 3- Hanging Basket truss, 4- crab-bolt, 5- bridge 0 number section panel, 6- suspension rod, horizontal after 7- Beam, 8- front beam, 9- distribution beam, the 10- lumps of wood, 11- steel template, 12- jack, 13- bridge 0 number section two coxostermum, 14- steel Plate, 15- anchor bar, 16- triangle reaction frame.
Specific embodiment
With specific embodiment, technical solutions of the utility model are described in further detail below in conjunction with the accompanying drawings, described Specific embodiment only explains to the utility model, not in order to limit the utility model.
A kind of Hanging Basket for cantilever pouring bridge construction operation with prepressing structure of the utility model, including cantilevered Hanging Basket main body and prepressing structure.As depicted in figs. 1 and 2, described cantilevered Hanging Basket main body includes two panels truss 1, and every truss 1 is equal It is welded by shaped steel, described two panels truss 1 connects into holistic Hanging Basket truss 3, described Hanging Basket truss 3 by a beret truss 2 One end (i.e. hold-down support one end of cantilevered Hanging Basket) be fixed on 0 number section panel 5 of bridge by crab-bolt 4, described crab-bolt 4 UsingThe pre-buried formation of fining twisted steel, the free end 4 of described Hanging Basket truss 3 is suspended from the outside of bridge 0 number section panel 5, described The free end of Hanging Basket truss 3 is anchored with the upper end of a suspension rod 6, and described suspension rod 6 adopts fining twisted steel, in bridge 0 number section Lower section is fixed with rear cross beam 7 by suspension rod, is provided with front beam 8 positioned at the front end of rear cross beam 7, described front beam 8 and rear cross beam 7 are equal It is welded using I-steel, described front beam 8 is substantially parallel with described rear cross beam 7;The lower end of described suspension rod 6 and described front horizontal stroke Beam 8 anchors, and is across described front beam 6 and the top of described rear cross beam 7 is placed with distribution beam 9, above described distribution beam 9 again It has been sequentially placed the lumps of wood 10 and steel template 11, described distribution beam 9 adopts I-steel to make, and front end is placed on front beam 8, after End is placed on rear cross beam 7, and the cross sectional dimensions of the described lumps of wood 10 is 10 × 10cm, and spacing 20cm is placed across described point Join on beam 9, described steel template 11 is welded by 4mm steel plate and the high channel-section steel of 8cm;Described prepressing structure includes being placed on institute State two jack 12 above steel template 11, described jack 12 is 400 tons of hydraulic jack;Bridge 0 number section two flank The upper and lower side of plate 13 is embedded with two blocks of steel plates 14 respectively, and the size of steel plate 14 is 80 × 40 × 2cm, underlying two blocks of steel plates 14 behind is welded with anchor bar 15, anchor bar 15 bySteel bar meter becomes U-shape;Two blocks of steel plates up and down of every side Respectively it is welded with a triangle reaction frame 16, described triangle reaction frame 16 is welded by Two bors d's oeuveres I-steel between 14, and by pre- The steel plate 14 burying is fixed on bridge 0 number section web;Two jack 12 act on respectively with two triangle reaction frames 16 below.
The process that the utility model Hanging Basket realizes precompressed is:Before bridge 0 number section casting concrete, in 0 number section two flank The each pre-buried 2 blocks of steel plates 14 of upper-lower position of plate, following two blocks of steel plates 14 weld anchor bar 15 behind, meet tension and require. After 0 number section concrete strength meets design requirement, cantilevered Hanging Basket main body is installed.After Hanging Basket installs, by triangle counter-force Frame 16 is welded to connect with steel plate 14, then, places two jack 12, the application point of jack 12 in steel template 11 Below each triangle reaction frame, as shown in Figure 1.The precompressed being determined according to the weight concrete of whole bridge maximum sections Load, starts jack 12 and triangle reaction frame 16 is further applied load, and simultaneously according to design requirement, starts to cantilevered Hanging Basket main body Deformation observation, when deformation and loading meet design requirement after, that is, complete the precompressed of Hanging Basket.
Although being described to the utility model above in conjunction with accompanying drawing, the utility model is not limited to above-mentioned Specific embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, the ordinary skill of this area Personnel, under enlightenment of the present utility model, in the case of without departing from the utility model objective, can also make many variations, adopt Can be adjusted with material specification model, these belong within protection of the present utility model.

Claims (4)

1. a kind of Hanging Basket for cantilever pouring bridge construction operation with prepressing structure, including cantilevered Hanging Basket main body with advance Laminated structure it is characterised in that:Described cantilevered Hanging Basket main body includes two panels truss (1), and described two panels truss (1) is by a beret truss (2) connect into holistic Hanging Basket truss (3), one end of described Hanging Basket truss (3) is fixed on No. 0 of bridge by crab-bolt (4) In section panel (5), the free end (4) of described Hanging Basket truss (3) is suspended from the outside of bridge 0 number section panel, described Hanging Basket truss (3) Free end and a suspension rod (6) upper end anchoring, be fixed with rear cross beam (7) in the lower section of bridge 0 number section, positioned at rear cross beam (7) front end is provided with front beam (8), the lower end of described suspension rod (6) and described front beam (8) anchoring, is across described front beam (6) and the top of described rear cross beam (7) is placed with distribution beam (9), described distribution beam (9) is placed with the lumps of wood (10) and steel die again Plate (11);Described prepressing structure includes being placed on described steel template (11) two jack (12) above, bridge 0 number section two The upper and lower side of coxostermum (13) is embedded with two pieces of steel plates (14) respectively, is welded between two pieces of steel plates (14) up and down of every side One triangle reaction frame (16), two jack (12) act on respectively with two triangle reaction frames (16) below.
2. there is the Hanging Basket for cantilever pouring bridge construction operation of prepressing structure according to claim 1, its feature exists In described front beam (8) is substantially parallel with described rear cross beam (7).
3. there is the Hanging Basket for cantilever pouring bridge construction operation of prepressing structure according to claim 1, its feature exists In the behind of underlying two pieces of steel plates (14) is welded with anchor bar (15).
4. there is the Hanging Basket for cantilever pouring bridge construction operation of prepressing structure according to claim 1, its feature exists In described jack (12) is hydraulic jack.
CN201620832379.7U 2016-07-29 2016-07-29 A hang basket that is used for cantilever to pour bridge construction operation with pre -compaction structure Active CN205934747U (en)

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CN201620832379.7U CN205934747U (en) 2016-07-29 2016-07-29 A hang basket that is used for cantilever to pour bridge construction operation with pre -compaction structure

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108004924A (en) * 2017-11-29 2018-05-08 中交路桥华南工程有限公司 The folding method of the middle span of the double hybrid steel in rope face of double tower-mixed steel-concrete composite beam cable-stayed bridge
CN109056556A (en) * 2017-12-29 2018-12-21 中铁二局第工程有限公司 A kind of Hanging Basket trussing entirety prepressing structure and preloading method
CN111926720A (en) * 2020-08-12 2020-11-13 中建七局交通建设有限公司 Construction method suitable for continuous steel-structure cantilever beam closure in loess area
CN113216012A (en) * 2021-05-20 2021-08-06 中交第二航务工程局有限公司 Construction method for applying pre-pressure to bottom formwork without stacking

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108004924A (en) * 2017-11-29 2018-05-08 中交路桥华南工程有限公司 The folding method of the middle span of the double hybrid steel in rope face of double tower-mixed steel-concrete composite beam cable-stayed bridge
CN108004924B (en) * 2017-11-29 2021-01-22 中交路桥华南工程有限公司 Method for folding middle span section of double-tower double-cable-surface mixed type steel-concrete superposed beam cable-stayed bridge
CN109056556A (en) * 2017-12-29 2018-12-21 中铁二局第工程有限公司 A kind of Hanging Basket trussing entirety prepressing structure and preloading method
CN111926720A (en) * 2020-08-12 2020-11-13 中建七局交通建设有限公司 Construction method suitable for continuous steel-structure cantilever beam closure in loess area
CN111926720B (en) * 2020-08-12 2022-01-25 中建七局交通建设有限公司 Construction method suitable for continuous steel-structure cantilever beam closure in loess area
CN113216012A (en) * 2021-05-20 2021-08-06 中交第二航务工程局有限公司 Construction method for applying pre-pressure to bottom formwork without stacking

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