Hanging equipment for assembling gate-type pier capping beam sections

Abstract

The utility model discloses hanging equipment for assembling gate-type pier capping beam segments, which comprises a pair of main beam trusses, a pair of first supporting legs and a pair of second supporting legs, the pair of main beam trusses are respectively supported by one of the first supporting legs and the second supporting legs, crown blocks are arranged on the pair of main beam trusses, and the crown blocks are connected with the pair of main beam trusses. The pair of main beam trusses is connected with a rotary lifting appliance and is used for lifting and assembling a bent cap section, the pair of main beam trusses is also provided with a hanging frame which is used for lifting the bent cap section, the first supporting leg or the second supporting leg comprises at least one cushion pier, a support beam, an adjusting screw rod and a supporting cushion block, and the supporting cushion block is in bolted connection with a gate-type pier cast-in-place section. At least one cushion pier and the support beam are sequentially stacked from top to bottom and connected into a whole through bolts, and the lower end of the adjusting lead screw is rotationally connected to the center of the support cushion block and vertically penetrates into bolt channels of the cushion pier and the support beam in a threaded mode. The portal pier capping beam section assembling device can solve the problem of portal pier capping beam section assembling and can adapt to the linear radian and the space height of section assembling.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal bridges, and more specifically, to a hanging device for assembling portal pier cap beam segments. Background Art

[0002] In the construction of municipal bridges in urban areas of developed cities overseas, during the construction of portal pier cap beams, the multi-directional lanes under the cap beams often have heavy traffic at all times of the day and night. Therefore, the road closure time is required to be only during a specific period of time in the evening and early morning, and the construction time is short. In addition, there are various existing municipal facilities on both sides of the road, and the construction area is limited. At the same time, there are many portal pier cap beams and the total span is long. Therefore, the portal pier cap beam was originally designed as a cast-in-place process. Due to traffic conditions, a design change is now proposed to change it to a construction process that combines cast-in-place pier top and prefabricated segment assembly. In order to solve the problem of segment assembly of portal pier cap beams, the portal pier hanging equipment of this application is specially designed, and this equipment solves this problem just right. Utility Model Content

[0003] One purpose of the utility model is to provide a hanging device for assembling portal pier cap beam segments, which can solve the problem of assembling portal pier cap beam segments and can adapt to the linear curvature and spatial height of segment assembly.

[0004] In order to solve the above technical problems, the utility model provides a hanging device for assembling the portal pier cap beam segments, including a pair of main beam trusses and two corresponding groups of legs, the two groups of legs respectively include a pair of first legs and a pair of second legs, the pair of first legs are both supported on the cast-in-place section of the main line portal pier, and the pair of second legs are respectively supported on the cast-in-place section of the ramp portal pier on the left and right sides, the pair of main beam trusses are arranged in the longitudinal direction and are respectively supported by one of the first legs and the second leg, and a crane is provided on the pair of main beam trusses, on which a rotating crane is connected The lifting device is used for lifting and assembling the cap beam segments. A pair of main beam trusses are also provided with a hanger, which is used to lift the cap beam segments. The first leg or the second leg includes at least one pad, a support beam, an adjusting screw and a support block. The support block is bolted to the cast-in-place section of the portal pier. At least one pad and the support beam are stacked in sequence from top to bottom and connected as a whole by bolts. The center of the pad and the support beam has a vertical bolt channel. The lower end of the adjusting screw is rotatably connected to the center of the support block and the vertical thread is passed through the bolt channel.

[0005] Preferably, a pair of main beam trusses are locked by connecting transverse links.

[0006] Preferably, the overhead crane is a hoisting lifting device, the rotating sling on the overhead crane is connected to the suspension on the cap beam segment via a pin shaft, and the suspension on the cap beam segment is anchored to the cap beam segment via precision-rolled threaded steel bars.

[0007] Preferably, a longitudinal track is provided on the main beam truss, on which a frame beam is slidably provided, a winch seat is provided on the frame beam, on which a winch lifting equipment is provided, the winch seat is connected to a transverse movement device provided on the frame beam, and the transverse movement device is a telescopic oil cylinder, which drives the winch seat to move laterally.

[0008] Preferably, a pair of longitudinal rails are provided and are located on both sides of the main beam truss, the frame beam is slidably provided on a pair of longitudinal rails through a pair of pulleys, a transverse rail is provided on the frame beam, and the winch seat moves transversely in the transverse rail.

[0009] The utility model has at least the following beneficial effects:

[0010] 1. Applicability.

[0011] The portal pier hanging equipment of the present invention is exactly matched with the span of the portal pier cap beam, the lifting and hoisting of the segments and the load of the entire span. During the construction period when the hanging equipment of the present invention is used, only 2 lanes of the 12 lanes in both directions under the portal pier cap beam need to be closed for construction; the overhead crane can complete the erection of the portal pier cap beam of the entire project by freely moving the entire span; each leg structure can adapt to the linear curvature and spatial height of the segment assembly.

[0012] 2. Durability.

[0013] The various structural systems of the portal pier hanging equipment of the present invention are welded with steel sections, which are strong and durable and can be used until the construction of the portal pier cap beam is completed; the various structures are basically detachably connected, which is convenient for disassembly and assembly, providing equipment for use in the next project and having good turnover.

[0014] 3. Economical.

[0015] The portal pier hanging equipment of the utility model provides conditions for changing the on-site prefabrication of the portal pier cap beam into segment assembly, greatly shortening the on-site construction time and the entire set of cast-in-place formwork and support system, with no subsequent maintenance costs and considerable economic benefits.

[0016] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the first leg of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the second leg of the utility model;

[0020] Figure 4 This is a cross-sectional view of the main beam truss of the utility model;

[0021] Figure 5 This is a cross-sectional view of the overhead travelling crane on the main beam truss of the present invention.

[0022] Description of reference numerals:

[0023] 1. Overhead crane, 2. Main beam truss, 3. Second support leg, 4. First support leg, 5. Rotating hoist, 6. Hanging bracket, 7. Cast-in-place section of mainline portal pier, 8. Cast-in-place section of ramp portal pier, 9. Pad pier, 10. Support beam, 11. Adjusting screw, 12. Support block, 13. Suspension, 14. Frame beam, 15. Winch base, 16. Transverse movement device. DETAILED DESCRIPTION

[0024] In order to better understand the purpose, structure and function of the present invention, the present invention is further described in detail below with reference to the accompanying drawings so that those skilled in the art can implement it according to the description.

[0025] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified; in the description of the present invention, the terms "horizontal", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0026] like Figures 1 to 3As shown, the utility model provides a hanging device for assembling portal pier cap beam segments, including a pair of main beam trusses 2 and two corresponding groups of legs, the two groups of legs respectively including a pair of first legs 4 and a pair of second legs 3, the pair of first legs 4 are both supported on the main line portal pier cast-in-place section 7, the pair of second legs 3 are respectively supported on the ramp portal pier cast-in-place sections 8 on the left and right sides, the pair of main beam trusses 2 are arranged in the longitudinal direction and are respectively supported by one of the first legs 4 and the second leg 3, the pair of main beam trusses 2 are both provided with a crane 1, to which a rotating sling 5 is connected and used for cap beam segments For lifting and assembly, a pair of main beam trusses 2 are also provided with a hanger 6, which is used to lift the cap beam segment. The first leg 4 or the second leg 3 includes at least one pad 9, a support beam 10, an adjusting screw 11 and a support block 12. The support block 12 is bolted to the cast-in-place section of the portal pier. At least one pad 9 and a support beam 10 are stacked from top to bottom and connected as a whole by bolts. The center of the pad 9 and the support beam 10 has a vertical bolt channel. The lower end of the adjusting screw 11 is rotatably connected to the center of the support block 12 and the vertical thread is passed through the bolt channel.

[0027] The total span of the portal pier cap beam ranges from 37.6 to 64 meters. Due to limited access, the design was changed to a construction process that combines cast-in-place pier capping with prefabricated segmental assembly. The maximum full span load between cast-in-place sections of the portal pier cap and the cantilevered segments requires a load of 350 tons, and the heaviest individual segment requires a lifting capacity of 500 kN. Two sets of first legs 4 are installed on the cast-in-place sections 7 of the mainline portal piers, and one set of second legs 3 is installed on each of the cast-in-place sections 8 of the left and right ramp portal piers for support and leveling. A 33.5-meter main beam truss 2, with a capacity of 350 tons, is installed between the first and second legs 4 to support the portal pier cap beam segments. A track-mounted hoisting device, or overhead crane 1, with a lifting capacity of 500 kN, is installed on each main beam truss to facilitate the lifting and adjustment of the portal pier cap beam segments. Overhead crane 1 is equipped with a wireless control system and a hydraulic adjustment system, allowing for convenient remote control and beam hanging. The cap beam segments are assembled using a rotating hoist 5 on overhead crane 1, and fixed using a hanger 6.

[0028] The assembled cap beam segments have a certain curvature. The mainline portal pier cast-in-place section 7 and the ramp portal pier cast-in-place sections 8 on the left and right sides are all adaptively curved, and the main beam truss 2 is set horizontally. Therefore, a pair of first legs 4 and a pair of second legs 3 need to be able to adapt to the curvature of the portal pier cast-in-place section. In addition, at different curvature positions, the height between the portal pier cast-in-place section and the main beam truss 2 is also different. The first leg 4 and the second leg 3 are not only set to be able to adaptively adjust the height, but also to adapt to the curvature of the portal pier cast-in-place section. First, bolt the support block 12 to the cast-in-place section of the portal pier, and then select one or more pads 9 and support beams 10 according to the spatial height, and make a rough adjustment of the height. Bolt one or more pads 9 and support beams 10 together, and align the bolt channels in the center. Then, bolt the adjusting screw 11 on the support block 12, which is rotatably connected (such as a ball joint), through the bolt into the bolt channel, and fine-tune the height and curvature so that the adjusting screw 11, the pad 9, and the support beam 10 are in a vertical state. Then, bolt the pad 9 and the main beam truss 2 together.

[0029] In another technical solution, a pair of main beam trusses 2 are locked by connecting transverse links. A pair of main beam trusses 2 can be combined and docked separately, thereby improving the adaptability of the main beam trusses 2.

[0030] In another technical solution, Figure 4 As shown, the overhead crane 1 is a hoisting and lifting device, and the rotating sling 5 thereon is connected to the suspension 13 on the cap beam segment through a pin shaft, and the suspension 13 on the cap beam segment is anchored to the cap beam segment through precision-rolled threaded steel bars.

[0031] A rotating sling 5 is provided on the overhead crane 1, and is connected to each portal pier cap beam segment hanger 13 with a pin shaft for easy disassembly; each cap beam segment is anchored to the hanger 13 with Φ32 fine-rolled threaded steel bars. After the cap beam segment is adjusted into position, it is locked to the cap beam segment hanger 13 from below the main beam truss 2 through the Φ32 fine-rolled threaded steel bars to complete the installation of this cap beam segment. At the same time, the pin shaft of the rotating sling 5 is loosened, and the next cap beam segment is hoisted, installed, and adjusted until the entire span of the portal pier cap beam segment is in place. Each structure of this application adopts a quick installation and locking design, such as the main beam truss 2 and the support legs are connected with threaded steel bars.

[0032] In another technical solution, Figure 5 As shown, the main beam truss 2 is provided with a longitudinal track, on which a frame beam 14 is slidably provided, and a winch seat 15 is provided on the frame beam 14, on which a hoisting and lifting equipment is provided, and the winch seat 15 is connected to a transverse movement device 16 provided on the frame beam 14, and the transverse movement device 16 is a telescopic cylinder, which drives the winch seat 15 to move laterally.

[0033] Hoisting equipment needs to be able to move both horizontally and vertically to facilitate construction. Longitudinal movement is achieved by setting up longitudinal tracks and driving them with a winch or other drive device, while horizontal movement is driven by a telescopic cylinder.

[0034] In another technical solution, a pair of longitudinal rails are provided and are located on both sides of the main beam truss 2. The frame beam 14 is slidably provided on a pair of longitudinal rails through a pair of pulleys. A transverse rail is provided on the frame beam 14, and the winch seat 15 moves transversely in the transverse rail.

[0035] It is understood that the present invention is described through some embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and implementation methods. They can be applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A hanging device for assembling portal pier cap beam segments, characterized in that: The cam is connected to the second support frame by the support legs, and the support legs are connected to the first support frame by the support legs, and the support legs are connected to the second support frame by the support legs.

2. The hanging device for assembling portal pier cap beam segments according to claim 1, characterized in that: A pair of main beam trusses are locked by connecting cross links.

3. The hanging device for assembling portal pier cap beam segments according to claim 1, characterized in that: The overhead crane is a hoisting and lifting device, and the rotating sling on the overhead crane is connected to the suspension on the cap beam segment through a pin shaft, and the suspension on the cap beam segment is anchored to the cap beam segment through precision-rolled threaded steel bars.

4. The hanging device for assembling portal pier cap beam segments according to claim 3, characterized in that: A longitudinal track is provided on the main beam truss, on which a frame beam is slidably provided, a winch seat is provided on the frame beam, on which a winch lifting equipment is provided, and the winch seat is connected to a transverse movement device provided on the frame beam, and the transverse movement device is a telescopic oil cylinder, which drives the winch seat to move laterally.

5. The hanging device for assembling portal pier cap beam segments according to claim 4, characterized in that: The longitudinal rails are provided in pair and are respectively located on the lateral sides of the main beam truss. The frame beam is slidably provided on the pair of longitudinal rails through a pair of pulleys. The frame beam is provided with a transverse rail, and the winch seat moves transversely in the transverse rail.

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