CN114351602B - Hanging basket sliding system for viaduct - Google Patents
Hanging basket sliding system for viaduct Download PDFInfo
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- CN114351602B CN114351602B CN202210069367.3A CN202210069367A CN114351602B CN 114351602 B CN114351602 B CN 114351602B CN 202210069367 A CN202210069367 A CN 202210069367A CN 114351602 B CN114351602 B CN 114351602B
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Abstract
The invention discloses a hanging basket sliding system for a viaduct, which comprises: the device comprises a plurality of I-shaped movable brackets, a pair of movable brackets and a rectangular support frame, wherein the I-shaped movable brackets are arranged on a bridge deck through auxiliary support structures, the pair of movable brackets are arranged on the I-shaped movable brackets through pushing structures, and lifting support structures are arranged on the pair of movable brackets; the invention has the beneficial effects that the auxiliary supporting structure and the pushing structure are fixed by cross fit extrusion, so that a plurality of I-shaped movable brackets are respectively stretched in a plurality of concave movable blocks, a pair of movable brackets are moved along the plurality of concave movable blocks to achieve stable movement, and meanwhile, the processing is simple and easy to operate by elastic deformation and magnetic repulsion extrusion.
Description
Technical Field
The invention relates to the technical field of overhead bridge carrying, in particular to a hanging basket sliding system for an overhead bridge.
Background
After the upper structure of the overhead bridge is completed, in construction of engineering projects (such as secondary tensioning of a capping beam, outer elevation, appearance trimming of the lower surface of the bridge and the like), a crane or a movable lifting vehicle is adopted in the conventional method, so that the cost is high, the efficiency of each displacement of the crane is low, the lifting height of the movable lifting vehicle is limited, the safety is poor, and in view of the fact, the scheme is developed.
Disclosure of Invention
The technical scheme of the invention for achieving the purpose is as follows: a cradle glide system for a overpass comprising: the device comprises a plurality of I-shaped movable brackets, a pair of movable brackets and a rectangular support frame, wherein the I-shaped movable brackets are arranged on a bridge deck through auxiliary support structures, the pair of movable brackets are arranged on the I-shaped movable brackets through pushing structures, and lifting support structures are arranged on the pair of movable brackets;
the auxiliary supporting structure comprises: the device comprises a plurality of concave moving blocks, a plurality of concave supporting blocks, a plurality of movable auxiliary wheels, a plurality of convex auxiliary limiting blocks, a plurality of extrusion spring columns, a plurality of extrusion friction plates, a plurality of convex extrusion telescopic blocks, a plurality of bidirectional deceleration electromagnet blocks and a plurality of deceleration magnet blocks;
the concave supporting blocks are mounted on the bridge deck through bolts, the I-shaped movable support is movably inserted into the inner sides of the concave supporting blocks respectively, the concave supporting blocks are provided with convex telescopic grooves respectively, the convex auxiliary limiting blocks and the convex telescopic blocks are movably inserted into the inner sides of the convex telescopic grooves respectively in a crossed mode, the extrusion spring columns are mounted on the inner sides of the convex telescopic grooves respectively, the extrusion spring columns are connected to the convex auxiliary limiting blocks and the convex telescopic blocks respectively, the convex auxiliary limiting blocks are provided with movable grooves respectively, the movable auxiliary wheels are inserted into the inner sides of the movable grooves respectively through bearings, the extrusion friction plates are mounted on the convex telescopic blocks respectively, the bidirectional speed reducing electromagnet blocks are mounted on the inner sides of the convex telescopic grooves respectively, and the concave telescopic blocks are mounted on the concave telescopic blocks respectively.
Preferably, the pushing structure comprises: the device comprises a pair of fixed support brackets, a pair of stretching hydraulic cylinders, a pair of concave overturning blocks, two pairs of overturning shafts, a pair of toothed extrusion stretching blocks, a pair of T-shaped stretching connecting rods, a pair of concave stretching bearing blocks, four pairs of convex extrusion stretching blocks, four pairs of extrusion electromagnet blocks, four pairs of extrusion magnet blocks and four pairs of extrusion friction plates;
the pair of fixed support brackets are respectively installed on the pair of movable support brackets, the two pairs of overturning shafts are respectively inserted on the pair of concave overturning blocks, the two pairs of overturning shafts are respectively inserted on the pair of fixed support brackets through bearings, the pair of stretching hydraulic cylinders are respectively installed on the inner sides of the pair of concave overturning blocks, the pair of concave stretching bearing blocks are respectively installed on the pair of tooth-mounted stretching blocks, the pair of T-shaped stretching connecting rods are respectively installed on the pushing ends of the pair of stretching hydraulic cylinders, the pair of T-shaped stretching connecting rods are respectively inserted on the pair of concave stretching bearing blocks, the pair of tooth-mounted stretching blocks are respectively provided with a pair of stretching convex grooves, the pair of convex stretching blocks are respectively movably inserted on the inner sides of the pair of stretching convex grooves, the pair of pressing magnet blocks are respectively installed on the pair of convex stretching blocks, the pair of pressing magnet blocks are respectively installed on the pair of four pairs of stretching magnet blocks, and the inner sides of pressing magnet blocks are respectively installed on the pair of four pairs of convex stretching friction plates.
Preferably, the lifting support structure comprises: a plurality of concave lifting barrels, a plurality of lifting support hydraulic cylinders, a plurality of convex lifting support blocks and a plurality of support plates;
the concave lifting barrels are respectively arranged on the pair of movable supporting frames, the lifting supporting hydraulic cylinders are respectively arranged on the inner sides of the concave lifting barrels, the convex lifting supporting blocks are respectively movably inserted on the inner sides of the concave lifting barrels, the convex lifting supporting blocks are respectively connected to the lifting supporting hydraulic cylinders, and the supporting plates are respectively arranged on the convex lifting supporting blocks.
Preferably, a plurality of concave moving blocks and a plurality of concave supporting blocks are respectively provided with a ball groove, and the inner sides of the ball grooves are respectively provided with a moving ball.
Preferably, a plurality of the protruding type auxiliary limiting blocks and a plurality of the protruding type extrusion telescopic blocks are respectively provided with a plurality of moving sliding blocks, a plurality of the protruding type telescopic grooves are respectively provided with a plurality of moving sliding ways, and a plurality of the moving sliding blocks are respectively movably inserted into the inner sides of a plurality of the moving sliding ways.
Preferably, a plurality of U-shaped auxiliary rods are respectively arranged on the concave lifting barrels, and the U-shaped auxiliary rods are respectively connected to the pair of movable supporting frames.
Preferably, a plurality of flexible adjusting rubber mats are respectively arranged on the supporting plates.
Preferably, a plurality of telescopic limiting shafts are respectively arranged on the supporting plates, and the telescopic limiting shafts are respectively movably inserted into the concave lifting barrels.
Preferably, a plurality of concave moving blocks are respectively provided with a level meter.
Preferably, two pairs of the convex extrusion stretching blocks are respectively provided with auxiliary shafts.
The overhead bridge hanging basket sliding system manufactured by the technical scheme of the invention is fixed by the cross fit extrusion of the auxiliary supporting structure and the pushing structure, so that a plurality of I-shaped moving brackets are respectively stretched in a plurality of concave moving blocks, a pair of moving brackets are moved along the plurality of concave moving blocks to achieve stable movement, and meanwhile, the auxiliary overhead bridge hanging basket sliding system is extruded by elastic deformation and magnetic repulsion, so that the overhead bridge hanging basket sliding system is simple and easy to process and operate.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a hanging basket sliding system for a viaduct.
Fig. 2 is a schematic side view of a sliding system of a hanging basket for a viaduct according to the present invention.
Fig. 3 is a schematic top view of a sliding system of a hanging basket for a viaduct according to the present invention.
Fig. 4 is an enlarged view of the structure of the "a" portion in fig. 1.
Fig. 5 is an enlarged view of the structure of the "B" portion in fig. 1.
In the figure: 1. an I-shaped movable bracket; 2. moving the support frame; 3. a loop-shaped supporting frame; 4. a concave moving block; 5. a support plate; 6. a concave supporting block; 7. a movement auxiliary wheel; 8. a convex auxiliary limiting block; 9. extruding a spring column; 10. extruding the friction plate; 11. protruding extrusion telescopic block; 12. a bi-directional deceleration electromagnet block; 13. a decelerating magnet block; 14. a fixed support bracket; 15. a stretching hydraulic cylinder; 16. a concave overturning block; 17. a turnover shaft; 18. tooth-mounted extrusion stretching blocks; 19. a T-shaped stretching connecting rod; 20. a concave tension bearing block; 21. a convex extrusion stretching block; 22. extruding an electromagnet block; 23. extruding the magnet block; 24. extruding the friction plate; 25. a concave lifting barrel; 26. lifting support hydraulic cylinders; 27. and the convex lifting supporting block.
Detailed Description
All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller and encoder should be selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, and the detailed connection means are known in the art, and mainly introduce the working principles and processes as follows, and do not describe the electric control.
As shown in fig. 1-3, a plurality of the i-shaped movable brackets 1 are mounted on a bridge deck through an auxiliary supporting structure, a pair of the movable supporting frames 2 are mounted on the plurality of the i-shaped movable brackets 1 through a pushing structure, and a lifting supporting structure is mounted on the pair of the movable supporting frames 2;
specifically, the auxiliary support structure comprises: a plurality of concave moving blocks 4, a plurality of concave supporting blocks 6, a plurality of moving auxiliary wheels 7, a plurality of convex auxiliary limiting blocks 8, a plurality of extrusion spring columns 9, a plurality of extrusion friction plates 10, a plurality of convex extrusion telescopic blocks 11, a plurality of bidirectional deceleration electromagnet blocks 12 and a plurality of deceleration magnet blocks 13;
specifically, a plurality of concave supporting shoe 6 pass through the bolt install in on the bridge floor, a plurality of worker type movable support 1 respectively movable cartridge in a plurality of the inboard of concave supporting shoe 6, a plurality of the concave supporting shoe 6 is last to have seted up respectively protruding type expansion groove, a plurality of protruding type auxiliary stopper 8 and a plurality of protruding type extrusion expansion piece 11 respectively alternately movable cartridge in a plurality of the inboard of protruding type expansion groove, a plurality of extrusion spring post 9 install respectively in a plurality of protruding type expansion groove, and a plurality of extrusion spring post 9 connect respectively in a plurality of protruding type auxiliary stopper 8 and a plurality of on protruding type extrusion expansion piece 11, a plurality of protruding type auxiliary stopper 8 is last to have seted up respectively the movable groove, a plurality of the movable auxiliary wheel 7 respectively through the bearing cartridge in a plurality of the inboard of movable groove, a plurality of extrusion friction disc 10 is installed respectively in a plurality of on protruding type extrusion expansion piece 11, a plurality of two-way electromagnetic decelerating block 12 respectively install in a plurality of protruding type expansion piece 4 respectively in a plurality of recess type expansion piece 13 are installed respectively on the movable support frame is gone up to a plurality of protruding type expansion piece 1.
It should be noted that, in the above, a plurality of concave supporting blocks 6 on a pair of movable supporting frames 2 are respectively sleeved on a plurality of the worker type movable supporting frames 1, a pair of movable supporting frames 2 are supported and fixed through a lifting supporting structure, thereby facilitating the pushing structure to move a plurality of worker type movable supporting frames 1 on a plurality of concave type movable blocks 4, a plurality of movable auxiliary wheels 7 on a plurality of convex type auxiliary limiting blocks 8 are used, a plurality of worker type movable supporting frames 1 are respectively moved on the inner sides of a plurality of concave type movable blocks 4, displacement of a plurality of worker type movable supporting frames 1 in the concave type movable blocks 4 is transmitted to a plurality of movable auxiliary wheels 7 through the plurality of movable auxiliary wheels 7, kinetic energy is respectively transmitted to a plurality of convex type auxiliary limiting blocks 8, deformation of a pressing spring column 9 is carried out on a plurality of convex type auxiliary limiting blocks 8, kinetic energy is consumed, friction is avoided between the worker type movable supporting frames 1 and the concave type movable blocks 4, when a plurality of worker type movable supporting frames 1 are required to be fixed on the concave type movable blocks 4, a plurality of two-way speed reducing electromagnet blocks 12 are respectively moved on a plurality of two-way speed reducing electromagnet blocks 12, a plurality of friction pieces are respectively pressed by a plurality of electromagnet blocks 11, a plurality of friction pieces are respectively pressed by a plurality of friction pieces 11 are driven by a plurality of two-way friction pieces, and a plurality of friction pieces are respectively pressed by a plurality of electromagnet blocks 11 are pressed by a plurality of friction pieces 11, and a plurality of friction pieces are respectively pressed by a plurality of friction pieces are pressed by a plurality of magnet pieces 11, and a plurality of friction pieces are respectively pressed by a plurality of friction pieces are pressed by a friction pieces.
As shown in fig. 1-3, the push structure includes: a pair of fixed support brackets 14, a pair of stretching hydraulic cylinders 15, a pair of concave overturning blocks 16, two pairs of overturning shafts 17, a pair of toothed extrusion stretching blocks 18, a pair of T-shaped stretching connecting rods 19, a pair of concave stretching bearing blocks 20, four pairs of convex extrusion stretching blocks 21, four pairs of extrusion electromagnet blocks 22, four pairs of extrusion electromagnet blocks 23 and four pairs of extrusion friction plates 24;
specifically, a pair of fixed support brackets 14 are respectively mounted on a pair of movable support frames 2, two pairs of turnover shafts 17 are respectively inserted on a pair of concave turnover blocks 16, two pairs of turnover shafts 17 are respectively inserted on a pair of fixed support brackets 14 through bearings, a pair of stretching hydraulic cylinders 15 are respectively mounted on the inner sides of a pair of concave turnover blocks 16, a pair of concave stretching bearing blocks 20 are respectively mounted on a pair of tooth-mounted stretching blocks 18, a pair of T-shaped stretching connecting rods 19 are respectively mounted on the pushing ends of a pair of stretching hydraulic cylinders 15, a pair of T-shaped stretching connecting rods 19 are respectively inserted on a pair of concave stretching bearing blocks 20, a pair of tooth-mounted stretching convex grooves are respectively formed in a pair of tooth-mounted stretching blocks 18, four pairs of convex stretching blocks 21 are respectively movably inserted on the inner sides of the four pairs of stretching convex grooves, four pairs of pressing magnet blocks 23 are respectively mounted on two pairs of convex stretching blocks 21 respectively on the four pairs of pressing convex pressing blocks 21, and four pairs of pressing magnet blocks are respectively mounted on the four pairs of four pressing convex pressing blocks 24 respectively.
In the foregoing description, the plurality of extrusion electromagnet blocks 22 on the pair of toothed extrusion stretching blocks 18 are electrified, the plurality of extrusion electromagnet blocks 23 are magnetically repelled, the plurality of extrusion electromagnet blocks 23 are used for respectively driving the convex extrusion stretching blocks 21 on the pair of extrusion stretching blocks, the extrusion friction plates 24 on the four pairs of convex extrusion stretching blocks 21 are fixedly extruded with the plurality of I-shaped movable brackets 1, the stretching hydraulic cylinders 15 in the pair of concave overturning blocks 16 stretch, so that the T-shaped stretching connecting rod 19 on the pushing end of the stretching hydraulic cylinder 15 is driven, the concave stretching bearing blocks 20 on the T-shaped stretching connecting rod 19 are driven, the toothed extrusion stretching blocks 18 on the concave stretching bearing blocks are driven by the concave stretching bearing blocks 20, and the auxiliary supporting structure and the pushing structure are used for performing cross operation, so that the plurality of I-shaped movable brackets 1 and the plurality of concave movable blocks 4 are interactively moved.
As shown in fig. 1-3, the lifting support structure comprises: a plurality of concave lifting barrels 25, a plurality of lifting support hydraulic cylinders 26, a plurality of convex lifting support blocks 27 and a plurality of support plates 5;
specifically, a plurality of concave lifting barrels 25 are respectively installed on a pair of movable supporting frames 2, a plurality of lifting supporting hydraulic cylinders 26 are respectively installed on the inner sides of a plurality of concave lifting barrels 25, a plurality of convex lifting supporting blocks 27 are respectively movably inserted on the inner sides of a plurality of concave lifting barrels 25, a plurality of convex lifting supporting blocks 27 are respectively connected to a plurality of lifting supporting hydraulic cylinders 26, and a plurality of supporting plates 5 are respectively installed on a plurality of convex lifting supporting blocks 27.
In the above description, the lifting supporting hydraulic cylinders 26 in the concave lifting barrels 25 are extended and contracted to drive the convex lifting supporting blocks 27 on the pushing ends of the lifting supporting hydraulic cylinders 26, so that the convex lifting supporting blocks 27 lift inside the concave lifting barrels 25, and the supporting plates 5 are respectively driven by the convex lifting supporting blocks 27, so that the plurality of supporting plates 5 are extruded to the ground, and the pair of movable supporting frames 2 are supported.
Preferably, the concave moving blocks 4 and the concave supporting blocks 6 are respectively provided with ball grooves, and moving balls are respectively arranged on the inner sides of the ball grooves.
As a preferable solution, a plurality of moving sliders are respectively disposed on the plurality of convex auxiliary limiting blocks 8 and the plurality of convex extrusion telescopic blocks 11, a plurality of moving slides are respectively disposed in the plurality of convex telescopic slots, and the plurality of moving sliders are respectively movably inserted into the inner sides of the plurality of moving slides.
Preferably, a plurality of U-shaped auxiliary bars are respectively disposed on the plurality of concave lifting barrels 25, and the plurality of U-shaped auxiliary bars are respectively connected to the pair of movable supporting frames 2.
As a preferable scheme, a plurality of support plates 5 are respectively provided with flexible adjusting rubber pads.
As a preferable solution, a plurality of telescopic limiting shafts are respectively provided on the plurality of support plates 5, and the plurality of telescopic limiting shafts are respectively movably inserted into the plurality of concave lifting barrels 25.
Preferably, a plurality of concave moving blocks 4 are respectively provided with a level meter.
Preferably, two pairs of the convex extrusion stretching blocks 21 are respectively provided with auxiliary shafts.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (10)
1. A cradle glide system for a overpass comprising: the lifting support structure is characterized in that the plurality of I-shaped movable supports are arranged on a bridge deck through auxiliary support structures, the pair of movable supports are arranged on the plurality of I-shaped movable supports through pushing structures, and the pair of movable supports are provided with lifting support structures;
the auxiliary supporting structure comprises: the device comprises a plurality of concave moving blocks, a plurality of concave supporting blocks, a plurality of movable auxiliary wheels, a plurality of convex auxiliary limiting blocks, a plurality of extrusion spring columns, a plurality of extrusion friction plates, a plurality of convex extrusion telescopic blocks, a plurality of bidirectional deceleration electromagnet blocks and a plurality of deceleration magnet blocks;
the concave supporting blocks are mounted on the bridge deck through bolts, the I-shaped movable support is movably inserted into the inner sides of the concave supporting blocks respectively, the concave supporting blocks are provided with convex telescopic grooves respectively, the convex auxiliary limiting blocks and the convex telescopic blocks are movably inserted into the inner sides of the convex telescopic grooves respectively in a crossed mode, the extrusion spring columns are mounted on the inner sides of the convex telescopic grooves respectively, the extrusion spring columns are connected to the convex auxiliary limiting blocks and the convex telescopic blocks respectively, the convex auxiliary limiting blocks are provided with movable grooves respectively, the movable auxiliary wheels are inserted into the inner sides of the movable grooves respectively through bearings, the extrusion friction plates are mounted on the convex telescopic blocks respectively, the bidirectional speed reducing electromagnet blocks are mounted on the inner sides of the convex telescopic grooves respectively, and the concave telescopic blocks are mounted on the concave telescopic blocks respectively.
2. The overhead bridge cradle glide system of claim 1 wherein the push structure comprises: the device comprises a pair of fixed support brackets, a pair of stretching hydraulic cylinders, a pair of concave overturning blocks, two pairs of overturning shafts, a pair of toothed extrusion stretching blocks, a pair of T-shaped stretching connecting rods, a pair of concave stretching bearing blocks, four pairs of convex extrusion stretching blocks, four pairs of extrusion electromagnet blocks, four pairs of extrusion magnet blocks and four pairs of extrusion friction plates;
the pair of fixed support brackets are respectively installed on the pair of movable support brackets, the two pairs of overturning shafts are respectively inserted on the pair of concave overturning blocks, the two pairs of overturning shafts are respectively inserted on the pair of fixed support brackets through bearings, the pair of stretching hydraulic cylinders are respectively installed on the inner sides of the pair of concave overturning blocks, the pair of concave stretching bearing blocks are respectively installed on the pair of tooth-mounted stretching blocks, the pair of T-shaped stretching connecting rods are respectively installed on the pushing ends of the pair of stretching hydraulic cylinders, the pair of T-shaped stretching connecting rods are respectively inserted on the pair of concave stretching bearing blocks, the pair of tooth-mounted stretching blocks are respectively provided with a pair of stretching convex grooves, the pair of convex stretching blocks are respectively movably inserted on the inner sides of the pair of stretching convex grooves, the pair of pressing magnet blocks are respectively installed on the pair of convex stretching blocks, the pair of pressing magnet blocks are respectively installed on the pair of four pairs of stretching magnet blocks, and the inner sides of pressing magnet blocks are respectively installed on the pair of four pairs of convex stretching friction plates.
3. The overhead bridge cradle glide system of claim 1 wherein the lifting support structure comprises: a plurality of concave lifting barrels, a plurality of lifting support hydraulic cylinders, a plurality of convex lifting support blocks and a plurality of support plates;
the concave lifting barrels are respectively arranged on the pair of movable supporting frames, the lifting supporting hydraulic cylinders are respectively arranged on the inner sides of the concave lifting barrels, the convex lifting supporting blocks are respectively movably inserted on the inner sides of the concave lifting barrels, the convex lifting supporting blocks are respectively connected to the lifting supporting hydraulic cylinders, and the supporting plates are respectively arranged on the convex lifting supporting blocks.
4. The hanging basket sliding system for the viaduct according to claim 1, wherein a plurality of concave moving blocks and a plurality of concave supporting blocks are respectively provided with a ball groove, and the inner sides of the plurality of ball grooves are respectively provided with a moving ball.
5. The hanging basket sliding system for the viaduct according to claim 1, wherein a plurality of movable sliding blocks are respectively arranged on the plurality of convex auxiliary limiting blocks and the plurality of convex extrusion telescopic blocks, a plurality of movable sliding ways are respectively arranged in the plurality of convex telescopic grooves, and the plurality of movable sliding blocks are respectively movably inserted into the inner sides of the plurality of movable sliding ways.
6. A cradle glide system for a viaduct according to claim 3 wherein a plurality of U-shaped auxiliary bars are provided on each of the plurality of female lifting barrels, the plurality of U-shaped auxiliary bars being connected to a pair of the mobile support frames.
7. A cradle glide system for a viaduct according to claim 3 wherein a plurality of flexible adjustment pads are provided on each of the support plates.
8. The hanging basket sliding system for the viaduct according to claim 7, wherein a plurality of telescopic limiting shafts are respectively arranged on the supporting plates, and the telescopic limiting shafts are respectively movably inserted into the inner sides of the concave lifting barrels.
9. The hanging basket sliding system for the viaduct according to claim 1, wherein a plurality of the concave moving blocks are respectively provided with a level meter.
10. The hanging basket sliding system for the viaduct according to claim 2, wherein auxiliary shafts are respectively arranged on the two pairs of convex extrusion stretching blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210069367.3A CN114351602B (en) | 2022-01-21 | 2022-01-21 | Hanging basket sliding system for viaduct |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210069367.3A CN114351602B (en) | 2022-01-21 | 2022-01-21 | Hanging basket sliding system for viaduct |
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| CN114351602A CN114351602A (en) | 2022-04-15 |
| CN114351602B true CN114351602B (en) | 2023-10-17 |
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| CN209923790U (en) * | 2019-03-19 | 2020-01-10 | 中铁二十四局集团江苏工程有限公司 | Automatic forward device for hanging basket |
| CN212641238U (en) * | 2020-06-24 | 2021-03-02 | 中铁二十四局集团江苏工程有限公司 | Automatic forward device of hanging basket |
| CN113548601A (en) * | 2021-07-15 | 2021-10-26 | 孟竹 | Auxiliary moving supporting device for prefabricated part for constructional engineering |
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| US5511266A (en) * | 1994-12-06 | 1996-04-30 | Bridgesys Corporation | Continuous incrementally erecting viaduct construction system |
| JPH11256521A (en) * | 1998-03-09 | 1999-09-21 | Sumitomo Constr Co Ltd | Bridge erection device |
| WO2009043750A1 (en) * | 2007-10-04 | 2009-04-09 | Doka Industrie Gmbh | Formwork configuration for the cantilever construction of bridges |
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