CN204690604U - A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing - Google Patents
A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing Download PDFInfo
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- CN204690604U CN204690604U CN201520240385.9U CN201520240385U CN204690604U CN 204690604 U CN204690604 U CN 204690604U CN 201520240385 U CN201520240385 U CN 201520240385U CN 204690604 U CN204690604 U CN 204690604U
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Abstract
The utility model provides a kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing, and comprise girder, each rigid connecting in two ends of girder is connected to a distribution beam, and the two ends of each distribution beam are respectively equipped with the connection suspension centre be connected with cable crane; The middle part of girder is provided with for mounting steel purlin stiff girder unit and making the swivel bearing device of its aloft horizontal swing; Girder is also provided with the actuating unit connected with swivel bearing device.After realizing the stiff girder unit lifting of steel purlin, horizontal swing is carried out aloft by traction rolling bearing rood beam.The application of this suspender, under being subject to the effect of natural conditions such as landform, landforms at non-navigable river or mountain area, without the need to arranging assembled place in two sides, cable crane is arranged at inside main cable strand, facilitate later stage steel bridge deck unit lifting, simplify top installing engineering working procedure, Hoisting Security is efficient, to be worth under mountain area extreme terrain geomorphologic conditions from now on further genralrlization in the stiff girder construction of suspension bridge steel purlin.
Description
Technical field
The utility model relates to stiff girder lifting installation field, suspension bridge steel purlin, particularly be applicable to the horizontal swing that large-span suspension bridge steel purlin, mountain area stiff girder unit lifting erection stage carries out beam element aloft, specifically a kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing.
Background technology
Along with the continuous progress of science and technology, bridge construction obtains the development of advancing by leaps and bounds, since particularly entering 21st century, bridge construction cause is flourish, the Large Span Bridges of leap inland river, Grand Canyon is too numerous to enumerate, wherein suspension bridge accounts for the overwhelming majority, and by this development trend of continuation continuity within the quite a long time from now on, it is the problem all the time needing to capture that suspension bridge steel purlin stiff girder is installed.
At sea, under the navigation condition such as rivers, steel purlin stiff girder unit lifting installation can adopt deck erection gantry method to carry out, and under valley, mountain area, the non-navigation condition in river course, restriction on beam end can adopt cable crane method, erection crane method or rail Suo Fa etc. to install.These methods have respective pluses and minuses, also different construction environments has been applicable to, but only one-sided, spelling, lifting installation are carried out for large-span suspension bridge steel purlin, mountain area stiff girder unit, and the suspension bridge construction installed after steel bridge deck unit, consider the lifting of anaphase bridge panel unit, cable crane need be arranged on inside main push-towing rope, at steel purlin stiff girder erection stage, it cannot realize the lifting of opposite bank side rail element, need in construction to change cable crane, complex procedures, lifting construction is organized loaded down with trivial details, and the construction period is long.The utility model is a kind of rotating in air suspender equipment being applicable to the stiff girder lifting of large-span suspension bridge steel purlin, mountain area and installing, adopt this suspender can realize beam element twist in the air, namely when steel purlin stiff girder cellular installation, opposite bank side rail element utilizes cable crane by rotary hanger system hoisting, control oneself after horizontal swing install stiff girder unit top, steel purlin pass through to installation site, fall to installing again after return of turning, rotary hanger mechanism is succinct, safe and reliable to operation, simplify beam element lifting construction operation, shorten the duration, maximizedly save construction cost, create good economic benefit.
Utility model content
The object of the utility model utility model is to provide a kind of rotating in air suspender being applicable to the stiff girder lifting of suspension bridge steel purlin and installing, to overcome the defect making up the single and conventional equipment conventional construction equipment of cable crane lifting form and be subject to various factors restriction and should not adopt under the condition that extreme terrain landforms, construction operating mode are limited.
For achieving the above object, the utility model provides a kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing, comprise girder, each rigid connecting in two ends of described girder is connected to a distribution beam, and the two ends of each distribution beam are respectively equipped with the connection suspension centre be connected with cable crane; The middle part of described girder is provided with for mounting steel purlin stiff girder unit and making the swivel bearing device of its aloft horizontal swing; Girder is also provided with the actuating unit connected with swivel bearing device.
Above-mentioned swivel bearing device comprises the spherical support seat be fixed on girder, is installed on running through the swivel bearing in the middle part of girder and being located at the universal strand of this swivel bearing lower end and the hook for mounting steel purlin stiff girder unit successively on this spherical support seat; Described swivel bearing device also comprises the rood beam of the driven rotary bearing rotation being located at swivel bearing upper end, and described rood beam is connected by flexible cable and actuating unit.
Above-mentioned actuating unit is specifically fixed on two power hoist engines at girder two ends, and power hoist engine is connected respectively by flexible cable and swivel bearing device.
Above-mentioned connection suspension centre is hanger.
Described rotating in air suspender also comprises at least 3 video monitors, 1 computer and displacement transducer and mechanics sensor; Wherein 2 video monitors are set in the swivel bearing position of girder, 1 video monitor is set in universal hinge position; Swivel bearing, universal hinge and the suspender rigid frame that is made up of girder and distribution beam respectively arrange the mechanical state of each host node of a set of monitoring and the displacement sensor of state of strain position and mechanics sensor.
The main Control point as a reference of corner speed when swivel bearing arranges operating rate when controlling the transport of steel purlin stiff girder unit horizontal and twist in the air.
The beneficial effects of the utility model: steel purlin stiff girder unit is only installed and the construction method of installing after steel bridge deck unit from one-sided lifting, this rotating in air suspender is utilized to carry out steel purlin stiff girder unit lifting by cable crane, after lifting, horizontal swing 90 ° can be carried out aloft to steel purlin stiff girder unit, thus meet steel purlin stiff girder unit and pass through between the side sling of stiff girder unit top two, assembled steel purlin, fall to installing after turning through-90 ° to assembled position, steel purlin stiff girder closes up the rear installation directly utilizing cable crane to carry out steel bridge deck unit, meanwhile, in the process of turning, video monitoring system and Digitizing And Control Unit is utilized to realize the accurate control of suspender, strengthen the visualization of work high above the ground, reduce construction blind spot, running status is converted into digital information and self-protecting device is set, guarantee that suspender is turned safety.The application of this rotary hanger equipment is based on cable crane, the use of this suspender equipment reduces the impact of beam element installation by the factor such as place, natural conditions, practical, security performance is reliable, efficiency of construction is high, is worth further genralrlization application in mountain area large-span suspension bridge steel purlin stiff girder lifting construction from now on.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is elevation of the present utility model;
Fig. 2 is side view of the present utility model;
Fig. 3 is plan view of the present utility model;
Fig. 4 (a) is the sectional view of swivel bearing of the present utility model;
Fig. 4 (b) is the A-A sectional view of swivel bearing of the present utility model;
Fig. 5 (a) be the aerial horizontal swing of steel purlin stiff girder along bridge to schematic diagram (before rotation);
Fig. 5 (b) is steel purlin stiff girder aerial horizontal swing direction across bridge schematic diagram (before rotation);
Fig. 6 (a) is the aerial horizontal swing of steel purlin stiff girder along bridge to schematic diagram (after rotating);
Fig. 6 (b) is steel purlin stiff girder aerial horizontal swing direction across bridge schematic diagram (after rotating).
Description of reference numerals: 1, girder; 2, distribution beam; 3, suspension centre is connected; 4, cable crane; 5, steel purlin stiff girder unit; 6, swivel bearing; 7, universal hinge; 8, link up with; 9, rood beam; 10, flexible cable; 11, power hoist engine; 12, distribution beam truss lateral; 13, cable crane track cable; 14, cable crane sport car; 15, lower suspender.
Detailed description of the invention
Embodiment 1:
A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing as shown in Figure 1, Figure 2 and Figure 3, comprise girder 1, the each rigid connecting in two ends of described girder 1 is connected to a distribution beam 2, and its middle girder 1 and distribution beam constitute the Rigid frame system of this rotating in air suspender; The two ends of each distribution beam 2 are respectively equipped with the connection suspension centre 3 be connected with cable crane 4; The middle part of described girder 1 is provided with for mounting steel purlin stiff girder unit 5 and making the swivel bearing device of its aloft horizontal swing; Girder 1 is also provided with the actuating unit connected with swivel bearing device.Therefore, above-mentioned Rigid frame system, swivel bearing device and actuating unit constitute the agent structure of this rotating in air suspender jointly; The Rigid frame system of suspender includes 1 cover girder and 2 cover distribution beam, and girder 1 and distribution beam 2 all adopt Plate Welding box section form of structure, and its middle girder 1 is variable section structure; Distribution beam truss lateral 12 is connected with between distribution beam 2 two ends.Swivel bearing bearing is set in the middle part of girder 1, local is carried out to girder axis of rotation region simultaneously and to put more energy into process, to meet node strength requirement.Suspender rigid frame girder establishes 4 independently to connect suspension centre 3 altogether, is connected with cable crane.
Embodiment 2:
On the basis of embodiment 1, described swivel bearing device comprises the spherical support seat be fixed on girder 1, is installed on running through the swivel bearing 6 in the middle part of girder 1 and being located at the universal strand 7 of this swivel bearing 6 lower end and the hook 8 for mounting steel purlin stiff girder unit 5 successively on this spherical support seat, and this hook 8 is connected with the interim suspension centre of steel purlin stiff girder unit 5 by suspender belt; On above-mentioned concrete structure, swivel bearing 6 is connected with the bearing that girder is arranged by spherical support seat, and bearing lower end arranges universal hinge, lifting suspension hook, is connected with steel purlin stiff girder main truss node by nylon sling.The sectional view of swivel bearing 6 is as shown in Fig. 4 (a), Fig. 4 (b); Described swivel bearing device also comprises the rood beam 9 of driven rotary bearing 6 rotation being located at swivel bearing 6 upper end, and described rood beam 9 is connected by flexible cable 10 and actuating unit.Swivel bearing 6 corresponds to girder 1 position and carries out widening treatment, and carries out local strengthening to girder, arranges actuating unit respectively in girder swivel bearing interlock rood beam 9 both sides, drives rood beam 9 to realize bearing interlock by flexible drawing; Actuating unit is specifically fixed on two power hoist engines 11 at girder 1 two ends, power hoist engine 11 connects respectively by the rood beam of flexible cable 10 with swivel bearing top, adopt remote controller to control power hoist engine 11 to operate, rood beam 9 is driven to rotate, to realize the interlock of swivel bearing by flexibly connecting.In the present embodiment, rotating in air suspender swivel bearing 6 specific design adopts Ф 340mm steel, and material is 40Cr, on bearing except arranging spherical support seat, rotary cross beam is also provided with and is universally hinged pin-and-hole and girder connecting limit device etc.Connection suspension centre 3 specifically hanger described in embodiment 1, is wherein respectively arranged 2 lifting hangers at 2 cover distribution beam two ends, is connected by bearing pin and cable crane sport car 14 times suspenders 15; Cable crane sport car 14 runs on cable crane track cable 13.
The utility model also comprises control system, and this control system is divided into video monitoring system and Digitizing And Control Unit two parts, and it comprises at least 3 cover video monitor, 1 computer, displacement transducer, mechanics sensor and some data wires etc.; Wherein 2 cover video monitors are set in swivel bearing 6 position of girder 1,1 cover video monitor is set in universal hinge 7 position; Swivel bearing 6, universal hinge 7 and the suspender rigid frame that is made up of girder 1 and distribution beam 2 respectively arrange the mechanical state of each host node of a set of monitoring and the displacement sensor of state of strain position and mechanics sensor, the data that they export all are transported to computer, the concrete connection of each instrument in control system belongs to prior art, no longer describes in detail herein.On swivel bearing 6, arrange main Control point in addition, steel purlin stiff girder unit 5 rotates and controls with this main Control point for reference, the corner speed etc. when operating rate when controlling this beam element horizontal transport and twist in the air.
Rotating in air suspender provided by the utility model is applicable to the stiff girder installation of large-span steel purlin, mountain area, in practical structures design, the specified crane capacity of the utility model can design by 150t, runtime maximum wind power is by 6 grades of considerations, safety factor 4.0, this rotating in air suspender device structure design is simultaneously through third-party authentication, and structural safety is reliable.After the processing and manufacturing of rotating in air suspender completes, carry out load operating test, namely cable crane carries rotating in air suspender, load 1.2 times of specified heavy loads, from Sarasota side lifting counterweight, be back to lifting position before being transported to opposite side tower again, carry out level 90 ° (-90 °) in span centre position and lifting position to turn operation to hanging thing.In load test, structure stress detection and deformation detection are carried out to rotating in air suspender equipment Rigid frame system, bearing arrangement and power set, guarantee that structural safety can come into operation rearward.
During practice of construction, after cable crane installation, rotating in air sling system to be installed under cable crane sport car on suspender, cable crane traction is to steel purlin stiff girder lifting position, mode as shown in Figure 6 is adopted for the lifting of steel purlin, consolidation shed side stiff girder unit, be transported to installation site after lifting, promote cable crane hoisting rope, complete beam element and be connected with hoist cable; For Ce Gang purlin, opposite bank stiff girder cellular installation, lifting adopts mode as shown in Figure 5, utilizes cable crane spliced girder unit top of being controlled oneself by steel purlin stiff girder unit to pass through, to installation site after lifting, after rotating (as Fig. 6), fall to carrying out beam element installation.
In sum, the utility model provides the rotating in air equipment being applicable to the stiff girder lifting of suspension bridge steel purlin and installing, its advantage is: sling system is arranged on below cable crane, be connected with steel purlin stiff girder unit by the rotary hanger set up, when beam element is installed, the skyborne horizontal swing demand of steel purlin stiff girder unit can be realized, for mountain area by place, under the operating mode of landforms restriction and the restriction of lifting construction engineering method, Simplified flowsheet, reduce and drop into, reduction of erection time, construction safety is efficient, practical, be worth at mountain area large-span suspension bridge steel purlin stiff girder installation further genralrlization from now on, widen lifting construction engineering method new approaches.
The part do not described in detail in present embodiment belongs to the known conventional means of the industry, does not describe one by one here.More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. the rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing, it is characterized in that: comprise girder (1), the each rigid connecting in two ends of described girder (1) is connected to a distribution beam (2), and the two ends of each distribution beam (2) are respectively equipped with the connection suspension centre (3) be connected with cable crane (4); The middle part of described girder (1) is provided with for mounting steel purlin stiff girder unit (5) and making the swivel bearing device of its aloft horizontal swing; Girder (1) is also provided with the actuating unit connected with swivel bearing device.
2. a kind of suspension bridge steel purlin stiff girder that is applied to lifts by crane the rotating in air suspender installed as claimed in claim 1, it is characterized in that: described swivel bearing device comprises the spherical support seat be fixed on girder (1), is installed on the swivel bearing (6) running through girder (1) middle part on this spherical support seat and is located at the universal strand (7) of this swivel bearing (6) lower end and the hook (8) for mounting steel purlin stiff girder unit (5) successively; Institute's swivel bearing device states the rood beam (9) also comprising the driven rotary bearing (6) of being located at swivel bearing (6) upper end and rotate, and described rood beam (9) is connected by flexible cable (10) and actuating unit.
3. a kind of suspension bridge steel purlin stiff girder that is applied to lifts by crane the rotating in air suspender installed as claimed in claim 1 or 2, it is characterized in that: described actuating unit is specifically fixed on two power hoist engines (11) at girder (1) two ends, power hoist engine (11) is connected respectively by flexible cable (10) and swivel bearing device.
4. a kind of suspension bridge steel purlin stiff girder that is applied to lifts by crane the rotating in air suspender installed as claimed in claim 1, it is characterized in that: described connection suspension centre (3) is hanger.
5. a kind of suspension bridge steel purlin stiff girder that is applied to lifts by crane the rotating in air suspender installed as claimed in claim 1, it is characterized in that: this rotating in air suspender also comprises at least 3 video monitors, 1 computer and displacement transducer and mechanics sensor; Wherein 2 video monitors are set in swivel bearing (6) position of girder (1), 1 video monitor is set in universal hinge (7) position; Swivel bearing (6), universal hinge (7) and the suspender rigid frame that is made up of girder (1) and distribution beam (2) respectively arrange the mechanical state of each host node of a set of monitoring and the displacement sensor of state of strain position and mechanics sensor.
6. a kind of rotating in air suspender being applied to the lifting of suspension bridge steel purlin stiff girder and installing as claimed in claim 1, is characterized in that: the main Control point as a reference of corner speed when arranging operating rate when controlling steel purlin stiff girder unit (5) horizontal transport and twist in the air on swivel bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240385.9U CN204690604U (en) | 2015-04-20 | 2015-04-20 | A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520240385.9U CN204690604U (en) | 2015-04-20 | 2015-04-20 | A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing |
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| CN204690604U true CN204690604U (en) | 2015-10-07 |
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| CN201520240385.9U Active CN204690604U (en) | 2015-04-20 | 2015-04-20 | A kind of rotating in air suspender being applied to the stiff girder lifting of suspension bridge steel purlin and installing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484168A (en) * | 2016-01-15 | 2016-04-13 | 长安大学 | Rotary hoisting equipment for stiffening beam of suspension bridge and erecting method of stiffening beam |
| CN105970818A (en) * | 2016-05-31 | 2016-09-28 | 武汉市创先专利技术服务有限公司 | Bridge plate lifting device of installation equipment for prefabricated and assembled type viaduct bridge plates |
| CN106988227A (en) * | 2017-05-10 | 2017-07-28 | 中交第四公路工程局有限公司 | A kind of suspension bridge steel truss girder rotary body device and construction method |
| CN108301331A (en) * | 2018-04-02 | 2018-07-20 | 山东省路桥集团有限公司 | Steel box-girder installation erection crane and steel box girder cantilever assembling and construction method |
| CN108677749A (en) * | 2018-01-18 | 2018-10-19 | 重庆溢权科技发展有限公司 | A kind of PLC frequency-changing control systems of Bridge Rotation Construction Technique |
| CN109440660A (en) * | 2018-12-10 | 2019-03-08 | 中交四公局第五工程有限公司 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structures and methods |
| CN113684760A (en) * | 2021-08-03 | 2021-11-23 | 中交路桥建设有限公司 | Method for hoisting ropeless area beam section of half-through basket arch bridge |
-
2015
- 2015-04-20 CN CN201520240385.9U patent/CN204690604U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484168A (en) * | 2016-01-15 | 2016-04-13 | 长安大学 | Rotary hoisting equipment for stiffening beam of suspension bridge and erecting method of stiffening beam |
| CN105970818A (en) * | 2016-05-31 | 2016-09-28 | 武汉市创先专利技术服务有限公司 | Bridge plate lifting device of installation equipment for prefabricated and assembled type viaduct bridge plates |
| CN105970818B (en) * | 2016-05-31 | 2017-07-18 | 青岛蓝天创先科技服务有限公司 | Prefabricated assembled overpass bridge plate installs the bridge plate suspender of equipment |
| CN106988227A (en) * | 2017-05-10 | 2017-07-28 | 中交第四公路工程局有限公司 | A kind of suspension bridge steel truss girder rotary body device and construction method |
| CN108677749A (en) * | 2018-01-18 | 2018-10-19 | 重庆溢权科技发展有限公司 | A kind of PLC frequency-changing control systems of Bridge Rotation Construction Technique |
| CN108677749B (en) * | 2018-01-18 | 2024-02-06 | 中铁二十三局集团第二工程有限公司 | PLC frequency conversion control system for bridge swivel construction |
| CN108301331A (en) * | 2018-04-02 | 2018-07-20 | 山东省路桥集团有限公司 | Steel box-girder installation erection crane and steel box girder cantilever assembling and construction method |
| CN109440660A (en) * | 2018-12-10 | 2019-03-08 | 中交四公局第五工程有限公司 | Suspension bridge wide cut concrete stiffening girder cable crane turns installation structures and methods |
| CN113684760A (en) * | 2021-08-03 | 2021-11-23 | 中交路桥建设有限公司 | Method for hoisting ropeless area beam section of half-through basket arch bridge |
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