CN108360395B - Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket - Google Patents
Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket Download PDFInfo
- Publication number
- CN108360395B CN108360395B CN201810395299.3A CN201810395299A CN108360395B CN 108360395 B CN108360395 B CN 108360395B CN 201810395299 A CN201810395299 A CN 201810395299A CN 108360395 B CN108360395 B CN 108360395B
- Authority
- CN
- China
- Prior art keywords
- diamond
- fixed
- truss
- hanging basket
- box girder
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge long and large section box girder construction hanging basket, which comprises a bearing bracket fixed on a constructed girder Duan Dingmian, wherein the bearing bracket comprises at least three groups of diamond truss assemblies which are arranged in parallel, each group of diamond truss assemblies comprises at least two diamond trusses which are arranged in parallel, two adjacent diamond trusses in each group of diamond truss assemblies are fixedly connected through a plurality of first connecting rods which are arranged at intervals along the length direction of the diamond truss, and two adjacent diamond truss assemblies are fixedly connected through a plurality of second connecting rods which are arranged at intervals along the length direction of the diamond truss. The structural form of the double diamond truss sheets effectively ensures the strength and rigidity of the hanging basket, and the front cross beam is fixed and positioned through the opposite-pulling mechanism, so that the construction requirement that the gradient of the long and large section concrete beam bottom is changed from abrupt to gradual can be effectively met. Lifting and adjusting mechanisms are added on the bearing truss, the hanging basket is changed into a bridge deck crane, and steel box girder lifting and positioning operations are performed, so that the application range of the hanging basket is enlarged.
Description
Technical Field
The invention relates to the technical field of bridge construction equipment, in particular to a bridge long and large section box girder construction hanging basket, a concrete box girder construction structure of the hanging basket and a steel box girder construction structure of the hanging basket.
Background
The hanging basket is used as main process equipment for concrete beam cantilever pouring construction. The principle is that the load of the concrete to be poured is effectively transferred to the poured concrete beam section through the hanging basket. The bearing truss of the existing rear supporting point hanging basket consists of a single diamond truss piece, is used for pouring a small-section concrete box girder cantilever, and the hanging basket is used for pouring the concrete cantilever by anchoring the tail of the main bearing truss on a poured concrete girder section top plate, anchoring the bottom blue rear joist on a poured concrete girder section bottom plate and hanging the front joist on a front cross beam of the main bearing truss. When the girder comprises concrete box girder, reinforced concrete combination section and steel box girder, girder section division length is longer, and cantilever pouring is higher to main intensity and the rigidity requirement of bearing the truss, and the construction requirement of all girder sections need be satisfied to the basket of hanging simultaneously, and the construction of girder has not been accomplished to traditional basket of hanging.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide a bridge long and large-section box girder construction hanging basket and a concrete box girder construction structure of the hanging basket and a steel box girder construction structure of the hanging basket, which have high structural strength and can meet the construction requirements of all girder sections.
In order to achieve the purpose, the bridge long and large section box girder construction hanging basket designed by the invention comprises a bearing bracket fixed on a constructed girder Duan Dingmian, and is characterized in that: the bearing support comprises at least three groups of diamond truss assemblies which are arranged in parallel, each group of diamond truss assemblies comprises at least two diamond trusses which are arranged in parallel, two adjacent diamond trusses in each group of diamond truss assemblies are fixedly connected through a plurality of first connecting rods which are arranged at intervals along the length direction of the diamond trusses, and two adjacent groups of diamond truss assemblies are fixedly connected through a plurality of second connecting rods which are arranged at intervals along the length direction of the diamond trusses.
Specifically, the middle parts of the diamond truss assemblies of the bearing support are fixedly connected through reinforcing connecting rods, and two ends of each reinforcing connecting rod extend out of the diamond trusses on the left and right outermost sides of the bearing support and are fixedly connected with fixed connecting rods between the diamond trusses on the left and right outermost sides of the bearing support.
Specifically, each diamond truss in the diamond truss assembly is provided with first connecting rods which are fixed on the inner side surface and the outer side surface of the diamond truss at intervals along the length direction of the diamond truss, are perpendicular to the inner side surface and the outer side surface of the diamond truss, and are positioned on two adjacent diamond trusses and are connected with the end parts of two opposite first connecting rods in a flange manner; the two ends of the second connecting rod are respectively connected with the end parts of the two opposite first connecting rods on the two adjacent groups of diamond truss assemblies in a flange manner.
More specifically, the reinforcing link includes a first reinforcing rod, a second reinforcing rod, and a third reinforcing rod; the inner side surfaces of the middle parts of two adjacent diamond trusses in the diamond truss assembly are fixedly connected with a first reinforcing rod perpendicular to the inner side surfaces of the adjacent diamond trusses, and the end parts of the two opposite first reinforcing rods of the two adjacent diamond trusses are in flange connection; the second reinforcing rods coaxial with the first reinforcing rods are fixedly connected between the two adjacent groups of diamond truss assemblies, the third reinforcing rods coaxial with the second reinforcing rods are fixedly connected to the middle parts of the outer side surfaces of the diamond trusses on the left and right outermost sides of the bearing support, and the fixed connecting rods are fixedly connected between the third reinforcing rods and the outer side surfaces of the diamond trusses on the left and right outermost sides of the bearing support.
The utility model provides a concrete box girder construction structure of hanging basket, includes concrete box girder pouring template, preceding joist, back joist and is fixed in the anchor system of beam Duan Dingmian that has been under construction, its characterized in that: the bridge long and large section box girder construction hanging basket is characterized by further comprising the bridge long and large section box girder construction hanging basket, the bottom of the bearing support is anchored on the anchoring system, the top of the bearing support is provided with a front cross beam perpendicular to the diamond truss, the front joist is positioned between the front cross beam and the rear joist, the middle and rear parts of the front joist are fixed on the anchoring system through anchor rods, the front end of the front joist is suspended on the front cross beam through a lifting rope, the rear part of the rear joist is fixed on the bottom of a constructed girder section through a thrust mechanism and anchor rods, the front end of the rear joist is suspended on the front cross beam through a lifting rope, the front part of the front joist and the front part of the rear joist extend out of the constructed girder section, the top of the concrete box girder casting template is supported on the front joist, and the bottom of the concrete box girder casting template is supported on the rear joist.
Further, the top of bearing support is equipped with the front beam positioning mechanism who adjusts the front beam's front and back position, front beam positioning mechanism is including being fixed in the regulation pole support of both sides around bearing support's top and regulation pole, front beam is located between the regulation pole support of both sides around bearing support's top, the both ends of adjusting the pole pass regulation pole support respectively and be fixed in regulation pole support, the front and back both sides surface of front beam is fixed with a hydraulic jack respectively, it passes coaxially to adjust the pole the hydraulic jack of front beam and its front and back both sides.
Specifically, thrust mechanism include through the reinforcing bar anchor in thrust counter-force seat and the fixed bolster of back joist bottom of construction section bottom, be connected with the screw rod support between fixed bolster and the thrust counter-force seat, the screw rod support is close to the inside coaxial lock nut that is equipped with of one end of fixed bolster, lock nut internal thread connection has the screw rod, the front end of screw rod is fixed in on the fixed bolster.
The utility model provides a steel case roof beam construction structures of basket hangs, includes steel case roof beam hoisting mechanism, its characterized in that: the bridge long and large section box girder construction hanging basket is characterized by further comprising the bridge long and large section box girder construction hanging basket, wherein the steel box girder lifting mechanism is arranged on the bearing support, and a lifting adjusting mechanism for adjusting the front lifting position and the rear lifting position of the steel box girder lifting mechanism is further arranged at the top of the bearing support.
Specifically, steel box girder hoisting mechanism including be fixed in bear the hoist engine of support bottom, set up in bear truss and running block at support top, the bottom of running block is fixed with steel box girder hoist, the top surface rear portion that bears the support is fixed with first fixed pulley group, bear and be fixed with the second fixed pulley group on the truss, the running block is located second fixed pulley group below, first fixed pulley group, second fixed pulley group and running block are walked around in proper order to the wire rope of hoist engine.
More specifically, the lifting adjusting mechanism comprises an oil cylinder counter-force seat fixed at the top of the bearing support and a hydraulic oil cylinder horizontally arranged, wherein one end of the hydraulic oil cylinder is fixed on the oil cylinder counter-force seat, and the other end of the hydraulic oil cylinder is fixedly connected with the bearing truss.
The beneficial effects of the invention are as follows: the structural form of the double diamond truss sheets effectively ensures the strength and rigidity of the hanging basket, and the front cross beam is fixed and positioned through the opposite-pulling mechanism, so that the construction requirement that the gradient of the long and large section concrete beam bottom is changed from abrupt to gradual can be effectively met. Lifting and adjusting mechanisms are added on the bearing truss, the hanging basket is changed into a bridge deck crane, steel box girder lifting and positioning operation is carried out, the using range of the hanging basket is enlarged, concrete pouring construction and steel box girder welding construction are carried out on the basis of the hanging basket with a double-diamond truss sheet structure, and the construction requirements of different girder sections are met.
Drawings
FIG. 1 is a top view of a load bearing bracket of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is an enlarged view of FIG. 1 at D;
FIG. 6 is a top view of a front cross member provided on a load carrier in accordance with the present invention;
FIG. 7 is a front view of a front cross member mounted on a load carrier in accordance with the present invention;
FIG. 8 is a front view of a beam positioning mechanism of the present invention;
FIG. 9 is a front view of a concrete box girder construction structure of the cradle of the present invention;
FIG. 10 is a right side view of the concrete box girder construction structure of the cradle of the present invention;
FIG. 11 is a front view of the thrust mechanism of the present invention;
FIG. 12 is a front view of the steel box girder construction structure of the cradle of the present invention;
FIG. 13 is a front view of a lifting adjustment mechanism of the present invention;
The steel box girder comprises a 1-constructed girder section, a 2-bearing bracket (2.1-diamond truss assembly), a 3-diamond truss, a 4-first connecting rod, a 5-second connecting rod, a 6-reinforcing connecting rod (6.1-first reinforcing rod, 6.2-second reinforcing rod and 6.3-third reinforcing rod), a 7-fixed connecting rod, an 8-concrete box girder pouring template, a 9-front joist, a 10-rear joist, an 11-anchoring system, a 12-front cross beam, a 13-anchor rod, a 14-lifting rope, a 15-adjusting rod support, a 16-adjusting rod, a 17-hydraulic jack, a 18-steel bar, a 19-thrust counterforce seat, a 20-fixed support, a 21-screw bracket, a 22-locking nut, a 23-screw, a 24-steel box girder lifting mechanism (24.1-hoist, 24.2-bearing truss, a 24.3-movable pulley block, a 24.4-steel box girder lifting appliance, a 24.5-first fixed pulley block, a 24.6-second fixed pulley block), a 25-lifting mechanism (25.1-hydro-cylinder seat, a 25-hydro-cylinder seat, a 26-steel wire rope and a 27-steel box girder.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The bridge long and large-section box girder construction hanging basket shown in fig. 1-5 and 7 comprises a bearing bracket 2 fixed on the top surface of a constructed girder section 1, wherein the bearing bracket 2 comprises three groups of diamond truss assemblies 2.1 which are arranged in parallel, and each group of diamond truss assemblies 2.1 comprises two diamond trusses 3 which are arranged in parallel.
Two adjacent diamond trusses 3 in each group of diamond truss assemblies 2.1 are fixedly connected through three first connecting rods 4 which are arranged at intervals along the length direction of the diamond trusses 3: each diamond truss 3 in the diamond truss assembly 2.1 is provided with first connecting rods 4 which are fixed on the inner side surface and the outer side surface of the diamond truss at intervals along the length direction and are perpendicular to the inner side surface and the outer side surface of the diamond truss, and the ends of the two opposite first connecting rods 4 which are positioned on the two adjacent diamond trusses 3 are connected in a flange mode.
The two adjacent groups of diamond truss assemblies 2.1 are fixedly connected through three second connecting rods 5 which are arranged at intervals along the length direction of the diamond truss 3: a second connecting rod 5 coaxial with the two opposite first connecting rods 4 is fixedly connected between the two opposite first connecting rods 4 on the two adjacent groups of diamond truss assemblies 2.1, and two ends of the second connecting rod 5 are respectively connected with the two opposite ends of the two opposite first connecting rods 4 on the two adjacent groups of diamond truss assemblies 2.1 through flanges.
The middle parts of the diamond truss assemblies 2.1 of the bearing support 2 are fixedly connected through a reinforcing connecting rod 6, and two ends of the reinforcing connecting rod 6 extend out of the diamond trusses 3 on the left and right outermost sides of the bearing support 2 and are fixedly connected with a fixing connecting rod 7 between the diamond trusses 3 on the left and right outermost sides of the bearing support 2: the reinforcing link 6 comprises a first reinforcing bar 6.1, a second reinforcing bar 6.2 and a third reinforcing bar 6.3; the inner side surfaces of the middle parts of two adjacent diamond trusses 3 in the diamond truss assembly 2.1 are fixedly connected with a first reinforcing rod 6.1 perpendicular to the inner side surfaces of the two adjacent diamond trusses 3, and the end parts of the two opposite first reinforcing rods 6.1 of the two adjacent diamond trusses 3 are in flange connection; a second reinforcing rod 6.2 coaxial with the first reinforcing rod 6.1 is fixedly connected between two adjacent groups of diamond truss assemblies 2.1, a third reinforcing rod 6.3 coaxial with the second reinforcing rod 6.2 is fixedly connected to the middle of the outer side surface of the diamond truss 3 on the left and right outermost sides of the bearing support 2, and a fixed connecting rod 7 is fixedly connected between the third reinforcing rod 6.3 and the outer side surface of the diamond truss 3 on the left and right outermost sides of the bearing support 2. The structural form of the double diamond truss sheets effectively ensures the strength and rigidity of the hanging basket of the girder of the long section, and meets the construction strength requirement of the girder of the long section.
The concrete box girder construction structure of the hanging basket shown in fig. 6-11 comprises a concrete box girder pouring template 8, a front joist 9 and a rear joist 10, wherein the anchoring system 11 on the top surface of a constructed girder section 1 and the bridge long and large section box girder construction hanging basket are fixed, the bottom of a bearing bracket 2 is anchored on the anchoring system 11, the top of the bearing bracket 2 is provided with a front cross beam 12 perpendicular to a diamond truss 3, the top of the bearing bracket 2 is provided with a front cross beam positioning mechanism for adjusting the front and rear positions of the front cross beam 12, the front cross beam positioning mechanism comprises adjusting rod supports 15 and adjusting rods 16 which are fixed on the front and rear sides of the top of the bearing bracket 2, the front cross beam 12 is positioned between the adjusting rod supports 15 on the front and rear sides of the top of the bearing bracket 2, two ends of the adjusting rods 16 respectively penetrate through the adjusting rod supports 15 and are fixed in the adjusting rod supports 15, the front and rear sides of the front cross beam 12 are respectively fixed with a hydraulic jack 17, and the adjusting rods 16 coaxially penetrate through the front cross beam 12 and the hydraulic jacks 17 on the front and rear sides thereof. The hydraulic jack 17 acts on the adjustment lever 16 to drive the adjustment lever support 15 to move forward and backward along the adjustment lever axis.
The front joist 9 is positioned between the front cross beam 12 and the rear joist 10, the middle rear part of the front joist 9 is fixed on the anchoring system 11 through the anchor rod 13, the front end of the front joist 9 is hung on the front cross beam 12 through the hanging rope 14, and the rear part of the rear joist 10 is fixed on the bottom of the constructed beam section 1 through the thrust mechanism and the anchor rod 13. The thrust mechanism comprises a thrust counterforce seat 19 anchored at the bottom of the constructed beam section 1 through a reinforcing steel bar 18 and a fixed support 20 fixedly connected to the bottom of the rear joist 10, a screw support 21 is connected between the fixed support 20 and the thrust counterforce seat 19, a locking nut 22 is coaxially arranged in one end of the screw support 21, which is close to the fixed support 20, a screw 23 is connected with the locking nut 22 in an internal thread manner, and the front end of the screw 23 is fixed on the fixed support 20. The front end of the rear joist 10 is hung on the front cross beam 12 through a hanging rope 14, the front part of the front joist 9 and the front part of the rear joist 10 extend out of the constructed beam section 1, the top of the concrete box girder casting template 8 is supported on the front joist 9, the bottom of the concrete box girder casting template 8 is supported on the rear joist 10, and the concrete box girder casting template 8 is removed after concrete casting, so that the construction of the concrete beam section is completed. The force is transmitted to the thrust counterforce seat 19 through the screw 23 and the lock nut 22, so that the backward moving position of the rear joist 10 and the concrete box girder casting template 8 is ensured.
The steel box girder construction structure of the hanging basket shown in fig. 12-13 comprises a steel box girder lifting mechanism 24 and the hanging basket for bridge long and large section box girder construction, wherein the steel box girder lifting mechanism 24 is arranged on a bearing bracket 2, and a lifting adjusting mechanism 25 for adjusting the front lifting position and the rear lifting position of the steel box girder lifting mechanism 24 is further arranged at the top of the bearing bracket 2. The steel box girder lifting mechanism 24 comprises a winch 24.1 fixed at the bottom of the bearing bracket 2, a bearing truss 24.2 and a movable pulley block 24.3, wherein the bearing truss 24.2 and the movable pulley block 24.3 are arranged at the top of the bearing bracket 2, the steel box girder lifting appliance 24.4 is fixed at the bottom of the movable pulley block 24.3, a first fixed pulley block 24.5 is fixed at the rear part of the top surface of the bearing bracket 2, a second fixed pulley block 24.6 is fixed on the bearing truss 24.2, the movable pulley block 24.3 is positioned below the second fixed pulley block 24.6, and a steel wire rope 26 of the winch 24.1 sequentially bypasses the first fixed pulley block 24.5, the second fixed pulley block 24.6 and the movable pulley block 24.3. The lifting adjusting mechanism 25 comprises an oil cylinder counter-force seat 25.1 fixed at the top of the bearing bracket 2 and a hydraulic oil cylinder 25.2 horizontally arranged, one end of the hydraulic oil cylinder 25.2 is fixed on the oil cylinder counter-force seat 25.1, and the other end is fixedly connected with the bearing truss 24.2.
The hoist 24.1 is started to drive the steel box girder lifting appliance 24.4 to lift, the piston rod of the hydraulic oil cylinder 25.2 stretches and contracts to drive the bearing truss 24.2 to move back and forth, and the position of the movable pulley block 24.3 is adjusted, so that the lifting position of the steel box girder 27 is adjusted, and the steel box girder 27 is welded with the constructed girder section 1.
The invention takes the double diamond truss hanging basket as the foundation, sets the pouring construction of the concrete beam section and the welding construction of the steel box beam section, has simple structure and convenient construction, meets the construction requirement of the mixed beam section, increases the application range of the hanging basket, and has good practicability and market application value.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a basket is hung in construction of bridge long and large festival section case roof beam, includes bearing bracket (2) that are fixed in the roof surface of construction roof beam section (1), its characterized in that: the bearing support (2) comprises at least three groups of diamond truss assemblies (2.1) which are arranged in parallel, each group of diamond truss assemblies (2.1) comprises at least two diamond trusses (3) which are arranged in parallel, each group of diamond truss assemblies (2.1) is fixedly connected with each other through a plurality of first connecting rods (4) which are arranged at intervals along the length direction of each diamond truss (3), and each two adjacent groups of diamond truss assemblies (2.1) are fixedly connected with each other through a plurality of second connecting rods (5) which are arranged at intervals along the length direction of each diamond truss (3).
2. The bridge girder construction hanging basket according to claim 1, wherein: the middle parts of the diamond truss assemblies (2.1) of the bearing support (2) are fixedly connected through reinforcing connecting rods (6), and two ends of each reinforcing connecting rod (6) extend out of the diamond truss (3) on the left and right outermost sides of the bearing support (2) and are fixedly connected with fixing connecting rods (7) between the diamond truss (3) on the left and right outermost sides of the bearing support (2).
3. The bridge girder construction hanging basket according to claim 1, wherein: each diamond truss (3) in the diamond truss assembly (2.1) is provided with first connecting rods (4) which are fixed on the inner side surface and the outer side surface of the diamond truss assembly at intervals along the length direction of the diamond truss, and are perpendicular to the inner side surface and the outer side surface of the diamond truss, and the ends of the two opposite first connecting rods (4) which are positioned on the two adjacent diamond trusses (3) are connected by flanges; the two ends of the second connecting rod (5) are respectively connected with the ends of the two opposite first connecting rods (4) on the two adjacent groups of diamond truss assemblies (2.1) in a flange manner.
4. The bridge girder construction hanging basket for long and large sections of the box girder according to claim 2, wherein: the reinforcing connecting rod (6) comprises a first reinforcing rod (6.1), a second reinforcing rod (6.2) and a third reinforcing rod (6.3); the inner side surfaces of the middle parts of two adjacent diamond trusses (3) in the diamond truss assembly (2.1) are fixedly connected with a first reinforcing rod (6.1) perpendicular to the inner side surfaces of the two adjacent diamond trusses, and the end parts of the two opposite first reinforcing rods (6.1) of the two adjacent diamond trusses (3) are in flange connection; fixedly connected with between two adjacent groups of diamond truss subassemblies (2.1) with first stiffener (6.1) coaxial second stiffener (6.2), bear the weight of the middle part fixedly connected with of the outside surface of the left and right outermost diamond truss (3) of support (2) with second stiffener (6.2) coaxial third stiffener (6.3), third stiffener (6.3) with bear the weight of and fixedly connected with between the outside surface of the left and right outermost diamond truss (3) of support (2) fixed connecting rod (7).
5. The utility model provides a concrete box girder construction structure of hanging basket, includes concrete box girder pouring template (8), preceding joist (9), back joist (10) and is fixed in anchor system (11) of construction roof beam section (1) top surface, its characterized in that: the bridge long and large section box girder construction hanging basket is characterized by further comprising the bridge long and large section box girder construction hanging basket according to claim 1, wherein the bottom of the bearing support (2) is anchored on the anchoring system (11), the top of the bearing support (2) is provided with a front cross beam (12) perpendicular to the diamond truss (3), the front cross beam (9) is positioned between the front cross beam (12) and the rear cross beam (10), the middle rear part of the front cross beam (9) is fixed on the anchoring system (11) through an anchor rod (13), the front end of the front cross beam (9) is suspended on the front cross beam (12) through a lifting rope (14), the rear part of the rear cross beam (10) is fixed on the bottom of the constructed girder section (1) through a thrust mechanism and an anchor rod (13), the front part of the front cross beam (9) and the front part of the rear cross beam (10) are both stretched out of the constructed girder section (1), and the rear end of the rear cross beam (10) is fixed on the bottom of the constructed girder section (1) through a lifting rope (14).
6. The concrete box girder construction structure of the cradle according to claim 5, wherein: the top of bearing support (2) is equipped with the regulation front beam positioning mechanism of front beam (12) front and back position, front beam positioning mechanism is including being fixed in regulation pole support (15) and regulation pole (16) of both sides around the top of bearing support (2), front beam (12) are located between regulation pole support (15) of both sides around the top of bearing support (2), regulation pole support (15) are passed respectively and are fixed in regulation pole support (15) in the both ends of regulation pole (16), the front and back both sides surface of front beam (12) is fixed with a hydraulic jack (17) respectively, it passes coaxially to adjust pole (16) hydraulic jack (17) of front beam (12) and both sides around it.
7. The concrete box girder construction structure of the cradle of claim 6, wherein: the thrust mechanism comprises a thrust counterforce seat (19) anchored at the bottom of the constructed beam section (1) through a reinforcing steel bar (18) and a fixed support (20) fixedly connected to the bottom of the rear joist (10), a screw support (21) is connected between the fixed support (20) and the thrust counterforce seat (19), a locking nut (22) is coaxially arranged inside one end of the screw support (21) close to the fixed support (20), a screw (23) is connected with the internal thread of the locking nut (22), and the front end of the screw (23) is fixed on the fixed support (20).
8. The utility model provides a steel case roof beam construction structure of basket of hanging, includes steel case roof beam hoisting mechanism (24), its characterized in that: the bridge long and large section box girder construction hanging basket disclosed in claim 1 is characterized in that the steel box girder lifting mechanism (24) is arranged on the bearing support (2), and a lifting adjusting mechanism (25) for adjusting the front and rear lifting positions of the steel box girder lifting mechanism (24) is further arranged at the top of the bearing support (2).
9. The steel box girder construction structure of the hanging basket according to claim 8, wherein: the steel box girder lifting mechanism (24) comprises a winch (24.1) fixed at the bottom of the bearing support (2), a bearing truss (24.2) and a movable pulley block (24.3) arranged at the top of the bearing support (2), a steel box girder lifting appliance (24.4) is fixed at the bottom of the movable pulley block (24.3), a first fixed pulley block (24.5) is fixed at the rear of the top surface of the bearing support (2), a second fixed pulley block (24.6) is fixed on the bearing truss (24.2), the movable pulley block (24.3) is arranged below the second fixed pulley block (24.6), and a steel wire rope (26) of the winch (24.1) sequentially bypasses the first fixed pulley block (24.5), the second fixed pulley block (24.6) and the movable pulley block (24.3).
10. The steel box girder construction structure of the hanging basket according to claim 9, wherein: the lifting adjusting mechanism (25) comprises an oil cylinder counter-force seat (25.1) fixed at the top of the bearing support (2) and a horizontally arranged hydraulic oil cylinder (25.2), one end of the hydraulic oil cylinder (25.2) is fixed on the oil cylinder counter-force seat (25.1), and the other end of the hydraulic oil cylinder is fixedly connected with the bearing truss (24.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395299.3A CN108360395B (en) | 2018-04-27 | 2018-04-27 | Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395299.3A CN108360395B (en) | 2018-04-27 | 2018-04-27 | Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108360395A CN108360395A (en) | 2018-08-03 |
| CN108360395B true CN108360395B (en) | 2024-07-16 |
Family
ID=63009360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810395299.3A Active CN108360395B (en) | 2018-04-27 | 2018-04-27 | Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360395B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886184B (en) * | 2019-11-29 | 2024-05-28 | 中铁大桥科学研究院有限公司 | Device and method for reducing accurate matching additional stress of wide steel box girder of cable-stayed bridge |
| CN114477018B (en) * | 2022-03-04 | 2023-11-21 | 安徽省公路桥梁工程有限公司 | Longitudinal sliding and vertical lifting mechanism of large-tonnage guy rope hanging basket main truss |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208266705U (en) * | 2018-04-27 | 2018-12-21 | 中交武汉港湾工程设计研究院有限公司 | A kind of bridge is grown up section box girder construction hanging basket, the concrete box girder construction structure of Hanging Basket, the steel box girder construction structure of Hanging Basket |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO150289C (en) * | 1982-06-01 | 1984-09-19 | Oestlandske Spennbetong As | DEVICE FOR SECTIONAL CASTING OF TENSIONED CONCRETE BRIDGES AFTER THE FRONT BUILDING METHOD |
| CN1916289A (en) * | 2006-08-28 | 2007-02-21 | 杨秋利 | Diamond shaped cradle in truss type |
| JP5179804B2 (en) * | 2007-08-29 | 2013-04-10 | 三井住友建設株式会社 | Mobile suspension support |
| JP5178443B2 (en) * | 2008-10-16 | 2013-04-10 | 株式会社Ｉｈｉインフラシステム | Truss type setting beam |
| CN203361021U (en) * | 2013-07-08 | 2013-12-25 | 中国水利水电第十三工程局有限公司 | Double-spliced type truss hanging basket |
| CN204059199U (en) * | 2014-07-30 | 2014-12-31 | 中交武汉港湾工程设计研究院有限公司 | A kind of rear fulcrum cast-in-place cantilever hanging basket system for stayed-cable bridge |
| JP2017020260A (en) * | 2015-07-13 | 2017-01-26 | 鹿島建設株式会社 | Wagen frame, construction method for the same, and construction method for structure |
| CN105421249B (en) * | 2015-12-15 | 2017-03-22 | 中铁十四局集团第二工程有限公司 | Dragging- hoisting combined type hanging basket structure and construction method |
| CN206902566U (en) * | 2017-06-27 | 2018-01-19 | 中交第三航务工程局有限公司 | A kind of arch rib bridge girder cantilever construction Hanging Basket |
| CN107447678A (en) * | 2017-09-27 | 2017-12-08 | 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 |
-
2018
- 2018-04-27 CN CN201810395299.3A patent/CN108360395B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208266705U (en) * | 2018-04-27 | 2018-12-21 | 中交武汉港湾工程设计研究院有限公司 | A kind of bridge is grown up section box girder construction hanging basket, the concrete box girder construction structure of Hanging Basket, the steel box girder construction structure of Hanging Basket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108360395A (en) | 2018-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208087078U (en) | A kind of boom hoisting of large span steel reinforced concrete combination beam Bridge Erector | |
| CN217350492U (en) | Novel lifting device for bridge deck installation | |
| CN115341486B (en) | Bridge fabrication machine for cantilever pouring construction | |
| CN105088970B (en) | Construction method of corrugated steel web PC box girder cable-stayed bridge | |
| CN108360395B (en) | Basket is hung in construction of bridge long and large section case roof beam, concrete case roof beam construction structure of hanging basket, steel case roof beam construction structure of hanging basket | |
| CN115092825A (en) | Novel bridge deck hoisting device and using method | |
| CN214459672U (en) | Bridge floor crane and front walking supporting mechanism thereof | |
| CN208202586U (en) | Conduit lifting device for the perfusion of power transmission tower concrete filled steel tube high-altitude | |
| CN1304268C (en) | Method and apparatus for assembly of portal crane in shipbuilding | |
| CN214459674U (en) | Bridge floor crane and lifting platform thereof | |
| CN112160246B (en) | Method for installing composite beam | |
| CN2644490Y (en) | Hoisting, installing and adjusting device for large tonnage arch rib | |
| US2135631A (en) | Portable apparatus for transferring loads | |
| CN210766433U (en) | Trapezoidal hanging basket structure | |
| CN210797292U (en) | Six-direction positioning and quick adjusting device for realizing prefabricated section beam | |
| CN220223242U (en) | A kind of prefabricated box beam reinforced skeleton spreader | |
| CN218971186U (en) | Portable easy-to-adjust template assembly for large-diameter vertical shaft | |
| CN208266705U (en) | A kind of bridge is grown up section box girder construction hanging basket, the concrete box girder construction structure of Hanging Basket, the steel box girder construction structure of Hanging Basket | |
| CN212559207U (en) | Bridge floor crane | |
| CN212077660U (en) | Large-span wide width bridge girder rhombus hanging basket construction structure | |
| CN214459671U (en) | Bridge floor crane | |
| CN112429627B (en) | Multifunctional hanging bracket for prefabricated small box girder | |
| CN210002233U (en) | Hoisting system suitable for suspension bridge steel structure bridge deck system | |
| CN116122817A (en) | Electric lifting pull-rod-free hanging die system for large-diameter vertical shaft | |
| CN214459675U (en) | Bridge floor crane and rear anchor mechanism thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |