CN203866715U - Multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction - Google Patents

Multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction Download PDF

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Publication number
CN203866715U
CN203866715U CN201420325908.5U CN201420325908U CN203866715U CN 203866715 U CN203866715 U CN 203866715U CN 201420325908 U CN201420325908 U CN 201420325908U CN 203866715 U CN203866715 U CN 203866715U
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CN
China
Prior art keywords
basket
support node
truss
hanging basket
chord
Prior art date
Application number
CN201420325908.5U
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Chinese (zh)
Inventor
周伟明
韩俊
张宜柳
霍玉卫
杨征杰
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中铁二十四局集团安徽工程有限公司
中铁二十四局集团有限公司
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Priority to CN201420325908.5U priority Critical patent/CN203866715U/en
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Publication of CN203866715U publication Critical patent/CN203866715U/en

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Abstract

The utility model discloses a multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction. The multi-roof-truss rhombic truss hanging basket for the long-cantilever box beam construction is characterized by comprising a hanging basket main truss, a walking anchoring system, a guiding system and a bottom basket system. The hanging basket main truss is provided with four roof trusses, and the four-roof-truss hanging basket main trusses are respectively provided with a hydraulic walking device and connected to form a whole through shear supports among rear chord rods, connecting trusses among vertical rods and a front upper cross beam on a front supporting node. A hanging system is connected onto the front upper cross beam and connected with the bottom basket system. The multi-roof-truss rhombic truss hanging basket is safe in structure, accurate in stress, quick in walking synchronization, simple to splice and dismount, good in applicability, large in cantilever pouring weight and especially suitable for an integral wide-width box beam which is large in width and beam section weight and adopts a long flange plate cantilever.

Description

Many Pin Rhombic Truss Hanging Basket that a kind of long cantilever box girder construction is used

Technical field

The utility model relates to a kind of box girder cantilever pouring construction equipment, especially relates to long cantilever wide cut integrated box Cantilever Construction Hanging Basket.

Background technology

Hanging Basket cast-in-place cantilever method construction from the sixties in last century by since West Germany uses first, through semicentennial development, become and built the big-and-middle a kind of important construction means across footpath bridge.China brings into use this kind of construction technology from the eighties in last century, in Bridges in Our Country construction, is used widely at present.

It is wide at 10m~15m that continuous beam cantilever pouring construction Hanging Basket of the prior art is only only applicable to top board, beam section weight is at the case beam of 75t left and right, Hanging Basket is little, dead load is light, traveling generally adopts jack and jack cucurbit to pull and moves ahead, but this mode labour intensity is large, long construction period, suspended basket have a big risk.Need for being suitable for current expressway construction, save constructional materials and construction duration, in expressway construction, occurred long cantilever list case three Room monolithic wide box girders, this beam type frange plate arm length, beam section weight is large, requires two-way Integral synchronous pouring construction.Obviously, traditional Hanging Basket cannot meet the construction of such case beam.

Utility model content

The utility model is for avoiding the existing weak point of above-mentioned prior art, a kind of structural safety is provided, stressed clear and definite, traveling is synchronously quick, and assembled dismounting is simple, and applicability is strong, many Pin Rhombic Truss Hanging Basket that the long cantilever box girder construction that cantilever pouring weight is large is used, large to be applicable to case beam width, frange plate arm length, the construction of the monolithic wide box girder cantilever that beam section weight is large.

The utility model is that technical solution problem adopts following technical scheme:

The design feature of many Pin Diamond-Shape Form Traveler that the utility model long cantilever box girder construction is used is to arrange:

Hanging basket main truss, formed by each rod member and each support node, described each rod member is respectively: front chord member, rear chord member, upper horizontal chord member, lower horizontal chord member and vertically bar, described each support node is respectively: front support node, upper support node, lower support node and rear support node, adopt bearing pin to connect and compose Diamond-Shape Form Traveler main couple between the support node on described each rod member and correspondence position; Described hanging basket main truss is established four Pin altogether, and four Pin hanging basket main truss are respectively arranged with hydraulic pressure running gear, between four Pin hanging basket main truss, connects into entirety by the bridging between rear chord member, the vertically truss frame for connecting between bar and the front top rail on front support node; On described front top rail, connect hangar system, and be connected with end basket system with described hangar system;

Traveling anchor system, is made up of front slide, rear hanging roller assembly, walking rails and rear portion anchoring assembly; The front slide being seated on walking rails adopts bearing pin to be connected with lower support node and rear support node respectively with rear hanging roller assembly;

Guidance system, is made up of nose girder, nose girder balladeur train and nose girder suspension bracket, is positioned at the bottom of template system;

End basket system, comprise end basket front beam, end basket rear cross beam, end basket longeron and end basket suspension bracket, suspension bracket on end basket front beam is connected with the front top rail being positioned on described front support node by hangar system, and the suspension bracket on end basket rear cross beam is by fining twisted steel and girder anchor connection;

In described front top rail and end basket system, be respectively arranged with protective platform.

The design feature of many Pin Diamond-Shape Form Traveler that the utility model long cantilever box girder construction is used is also:

Front chord member in described hanging basket main truss, rear chord member, upper horizontal chord member and lower horizontal chord member are to adopt Two bors d's oeuveres channel-section steel to be welded into frame construction, and each support node adopts steel plate installed-welded to form.

Rear portion anchoring assembly in described traveling anchor system is anchor shoulder pole girder after arranging on described rear support node, connects the fining twisted steel being embedded on girder in order to anchoring hanging basket main truss.

Nose girder in described guidance system adopts Two bors d's oeuveres channel-section steel structure, the front end of described nose girder is connected with described front top rail by fining twisted steel, rear end is connected with case beam by fining twisted steel, together moves forward, in order to bear the load of box girder cantilever part with hanging basket main truss.

End basket front beam, end basket rear cross beam and end basket longeron in basket system of the described end adopt " H " shaped steel.

Compared with the prior art, beneficial effect of the present invention is embodied in:

1, the utility model is many Pin Rhombic Truss Hanging Basket, and its applicability is strong, and cantilever pouring weight is large, is specially adapted to case beam width large, frange plate arm length, the monolithic wide box girder that beam section weight is large;

2, the utility model adopts hydraulic pressure running gear, and it is easy to operate, and labour intensity is low, can control better the synchronism of suspended basket, makes the resistance to overturning of Hanging Basket good.Especially for long cantilever wide cut integrated box girder, adopt hydraulic pressure walking system can reduce construction safety risk, ensure construction quality;

3, the utility model is simple in structure, stressed clear and definite, under the prerequisite that meets each code requirement, mainly adopts bearing pin to connect assembled between rod member, connects safety and firmness more, and assembled process is more convenient;

4, in the utility model, Hanging Basket front end work plane is open, facilitates the lifting operation of case beam steel and template, and open work plane is conducive to concrete pouring construction simultaneously.Platform hanging basket guard system forms sealing entirety, and Terrace prevention system is reasonable, perfect, for cradle construction provides safety guarantee more reliably.

Brief description of the drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is the A-A sectional drawing of Fig. 1;

Fig. 3 is the B-B sectional drawing of Fig. 1;

Fig. 4 is the top view of Fig. 1;

Number in the figure: 1 main couple, 2 traveling anchor systems, 3 guidance systems, 4 end basket systems, 5 protective platforms, 6 front top rails, 7 hangar system, 8 template systems, 9 girders, horizontal chord member on 101, 102 front chord members, 103 rear chord members, 104 vertical bars, 105 times horizontal chord members, 106 front support nodes, support node on 107, 108 lower support nodes, 109 rear support nodes, 110 truss frame for connectings, 111 bridgings, 201 walking rails, 202 front slides, 203 rear hanging roller assemblies, 204 rear anchor shoulder pole girders, 301 nose girders, 302 nose girder balladeur trains, 303 nose girder suspension brackets, 401 end basket longerons, 402 end basket front beams, 403 end basket rear cross beams, 404 end basket suspension brackets.

Detailed description of the invention

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the structure of many Pin Diamond-Shape Form Traveler that in the present embodiment, long cantilever box girder construction is used is set to:

Hanging basket main truss 1, formed by each rod member and each support node, each rod member is respectively: front chord member 102, rear chord member 103, upper horizontal chord member 101, lower horizontal chord member 105 and vertically bar 104, each support node is respectively: front support node 106, upper support node 107, lower support node 108 and rear support node 109, adopt bearing pin to connect and compose Diamond-Shape Form Traveler main couple 1 between the support node on each rod member and correspondence position; Hanging basket main truss 1 is established four Pin altogether, four Pin hanging basket main truss 1 are respectively arranged with hydraulic pressure running gear, between four Pin hanging basket main truss 1, connect into entirety by the bridging 111 between rear chord member 103, the vertically truss frame for connecting 110 between bar 104 and the front top rail 6 on front support node 106; On front top rail 6, connect hangar system 7, and be connected with end basket system 4 with hangar system 7.

Traveling anchor system 2, is made up of front slide 202, rear hanging roller assembly 203, walking rails 201 and rear portion anchoring assembly; The front slide 202 being seated on walking rails 201 adopts bearing pin to be connected with lower support node 108 and rear support node 109 respectively with rear hanging roller assembly 203;

Guidance system 3, is made up of nose girder 301, nose girder balladeur train 302 and nose girder suspension bracket 303, is positioned at the bottom of template system 8.

End basket system 4, comprise end basket front beam 402, end basket rear cross beam 403, end basket longeron 401 and end basket suspension bracket 404, suspension bracket on end basket front beam 402 is connected with the front top rail 6 being positioned on front support node 106 by hangar system 7, and the suspension bracket on end basket rear cross beam 403 is by fining twisted steel and girder 9 anchor connections.

In front top rail 6 and end basket system 4, be respectively arranged with protective platform 5.

In concrete enforcement, corresponding structure setting also comprises:

Front chord member 102, rear chord member 103, upper horizontal chord member 101 and lower horizontal chord member 105 in hanging basket main truss 1 is to adopt Two bors d's oeuveres channel-section steel to be welded into frame construction, and each support node adopts steel plate installed-welded to form.

Rear portion anchoring assembly in traveling anchor system 2 is anchor shoulder pole girder 204 after arranging on rear support node 109, connects the fining twisted steel being embedded on girder 9 in order to anchoring hanging basket main truss 1.

Nose girder 301 in guidance system 3 adopts Two bors d's oeuveres channel-section steel structure, the front end of nose girder 301 is connected with front top rail 6 by fining twisted steel, rear end is connected with case beam by fining twisted steel, together moves forward, in order to bear the load of box girder cantilever part with hanging basket main truss.

End basket front beam 402, end basket rear cross beam 403 and end basket longeron 401 in end basket system adopt " H " shaped steel.

In the present embodiment, hanging basket formwork system 8 forms following system: soffit formwork is located on end basket longeron 401, end basket longeron 401 is by end basket front beam 402 and end basket rear cross beam 403 supports, end basket front beam 402 and end basket rear cross beam 403 are hung on front top rail 6, girder 9 and hanging basket main truss 1 by boom system 7 respectively, top rail 6 is seated on the front support node 106 of hanging basket main truss 1 before Hanging Basket, the rear portion of hanging basket main truss 1 by anchor pole from anchoring balance.Exterior sheathing is shelved on nose girder 301, and the front end of nose girder 301 is hung on before Hanging Basket on top rail 6 by boom system 7, and rear end is hung on the wing plate of girder 9 by nose girder suspension bracket 303.Both sides external mold is clamped bed die both sides all the time, and inside and outside modular system is by being arranged on pull bar is held on framework.

Hanging Basket carries out assembled according to following steps:

1, on girder 9 beam faces, place sleeper and walking rails 201, walking rails 201 is anchored on girder 9 by fining twisted steel;

2, rear hanging roller assembly 203 and front slide 202 are installed on walking rails 201;

3, each main couple 1 rod member and support node are assembled on ground, then entirety winches on girder 9, and main couple 1 and hanging are rolled 203 and taken turns with front slide 202 and be connected by bearing pin;

4, on main couple 1 front support node 106, install before top rail 6 and on front top rail 6 pre-placement hangar system 7 suspension rods;

5, rear anchor shoulder pole girder 204 is installed on the rear support node 109 of main couple 1;

6, girder frange plate template and guidance system 3 are installed;

7, end basket system 4 and soffit formwork are installed;

8, position and the absolute altitude of adjusting Hanging Basket and template system, carry out Hanging Basket kingpost cantalever pouring construction.

When work, Hanging Basket carries out the demoulding and reach according to the following steps:

1, remove inside and outside mould to pull bar, folding internal mold side plate;

2, each suspension rod on top rail before Hanging Basket 6 and end basket rear cross beam 403 are unclamped at the anchor pole of Liang Tishang, make soffit formwork leave concrete surface;

3, pine is except the anchoring of suspended basket track 201, towing is laid suspended basket track 201 to the good track 201 of anchoring again after assigned address forward, adopt the lower support node 108 of jackscrew jacking hanging basket main truss 1, the pad of slide 202 belows before taking out, put down jackscrew, front slide 202 rollers are seated on suspended basket track 201;

4, adopt jackscrew adjustment to remove the anchor pole on all rear anchor shoulder pole girders 204, make rear hanging roller safely left-hand thread on suspended basket track 201;

5, adopt slide 202 before hydraulic means pushing tow main truss cradle, by hanging basket main truss 1 to front haulage, the integral forward lead such as moving belt action-oriented system 3 (inside and outside mould is by guidance system support) and end basket system 4 of hanging basket main truss 1,

6, hanging basket advancing rear lower transverse beam 403 anchoring suspension rods of basket system 4 at the bottom of anchor pole and Hanging Basket after anchoring again after putting in place.

Claims (5)

1. many Pin Diamond-Shape Form Traveler that long cantilever box girder construction is used, is characterized in that arranging:
Hanging basket main truss (1), formed by each rod member and each support node, described each rod member is respectively: front chord member (102), rear chord member (103), upper horizontal chord member (101), lower horizontal chord member (105) and vertically bar (104), described each support node is respectively: front support node (106), upper support node (107), lower support node (108) and rear support node (109), adopt bearing pin to connect and compose Diamond-Shape Form Traveler main couple (1) between the support node on described each rod member and correspondence position; Described hanging basket main truss (1) is established four Pin altogether, four Pin hanging basket main truss (1) are respectively arranged with hydraulic pressure running gear, between four Pin hanging basket main truss (1), connect into entirety by the bridging (111) between rear chord member (103), the vertically truss frame for connecting (110) between bar (104) and the front top rail (6) on front support node (106); In described front top rail (6) upper connection hangar system (7), and be connected with end basket system (4) with described hangar system (7);
Traveling anchor system (2), is made up of front slide (202), rear hanging roller assembly (203), walking rails (201) and rear portion anchoring assembly; The front slide (202) being seated on walking rails (201) adopts bearing pin to be connected with lower support node (108) and rear support node (109) respectively with rear hanging roller assembly (203);
Guidance system (3), is made up of nose girder (301), nose girder balladeur train (302) and nose girder suspension bracket (303), is positioned at the bottom of template system (8);
End basket system (4), comprise end basket front beam (402), end basket rear cross beam (403), end basket longeron (401) and end basket suspension bracket (404), suspension bracket on end basket front beam (402) is connected with the front top rail (6) being positioned on described front support node (106) by hangar system (7), and the suspension bracket on end basket rear cross beam (403) is by fining twisted steel and girder (9) anchor connection;
In described front top rail (6) and end basket system (4), be respectively arranged with protective platform (5).
2. many Pin Diamond-Shape Form Traveler that long cantilever box girder construction according to claim 1 is used, it is characterized in that: the front chord member (102) in described hanging basket main truss (1), rear chord member (103), upper horizontal chord member (101) and lower horizontal chord member (105) are to adopt Two bors d's oeuveres channel-section steel to be welded into frame construction, and each support node adopts steel plate installed-welded to form.
3. many Pin Diamond-Shape Form Traveler that long cantilever box girder construction according to claim 1 is used, it is characterized in that: the rear portion anchoring assembly in described traveling anchor system (2) is that rear anchor shoulder pole girder (204) is set on described rear support node (109), connect the fining twisted steel being embedded on girder (9) in order to anchoring hanging basket main truss (1).
4. many Pin Diamond-Shape Form Traveler that long cantilever box girder construction according to claim 1 is used, it is characterized in that: the nose girder (301) in described guidance system (3) adopts Two bors d's oeuveres channel-section steel structure, the front end of described nose girder (301) is connected with described front top rail (6) by fining twisted steel, rear end is connected with case beam by fining twisted steel, together move forward with hanging basket main truss, in order to bear the load of box girder cantilever part.
5. many Pin Diamond-Shape Form Traveler that long cantilever box girder construction according to claim 1 is used, is characterized in that: end basket front beam (402), end basket rear cross beam (403) and end basket longeron (401) in basket system of the described end adopt " H " shaped steel.
CN201420325908.5U 2014-06-18 2014-06-18 Multi-roof-truss rhombic truss hanging basket for long-cantilever box beam construction CN203866715U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631343A (en) * 2015-02-15 2015-05-20 河海大学 Self-travelling diamond-shaped pin-connected truss-type form traveler structure and form traveler travelling and constructing method
CN104912002A (en) * 2015-06-10 2015-09-16 中铁二十二局哈尔滨铁路建设集团有限责任公司 Four-line split hanging basket main truss for four-line continuous beam cantilever construction of passenger transport line
CN106049296A (en) * 2016-07-19 2016-10-26 贵州路桥集团有限公司 Articulated anchor box
CN106351123A (en) * 2016-09-20 2017-01-25 中交武汉港湾工程设计研究院有限公司 Single-cable and multi-box construction hanging basket applicable to corrugated steel web girder
CN106758868A (en) * 2016-12-18 2017-05-31 中铁二十局集团第五工程有限公司 End bay cast-in-place section construction structure and construction method based on Hanging Basket Yu truss-like nose girder
CN108316158A (en) * 2018-04-23 2018-07-24 腾达建设集团股份有限公司 Protection canopy and its application process

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631343A (en) * 2015-02-15 2015-05-20 河海大学 Self-travelling diamond-shaped pin-connected truss-type form traveler structure and form traveler travelling and constructing method
CN104631343B (en) * 2015-02-15 2016-08-24 河海大学 From traveling rhombus keying cradle in truss type structure and suspended basket and construction method
CN104912002A (en) * 2015-06-10 2015-09-16 中铁二十二局哈尔滨铁路建设集团有限责任公司 Four-line split hanging basket main truss for four-line continuous beam cantilever construction of passenger transport line
CN106049296A (en) * 2016-07-19 2016-10-26 贵州路桥集团有限公司 Articulated anchor box
CN106351123A (en) * 2016-09-20 2017-01-25 中交武汉港湾工程设计研究院有限公司 Single-cable and multi-box construction hanging basket applicable to corrugated steel web girder
CN106758868A (en) * 2016-12-18 2017-05-31 中铁二十局集团第五工程有限公司 End bay cast-in-place section construction structure and construction method based on Hanging Basket Yu truss-like nose girder
CN108316158A (en) * 2018-04-23 2018-07-24 腾达建设集团股份有限公司 Protection canopy and its application process

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