Multi-box chamber weak beam steel beam hoisting hoist, hoisting equipment and bridge construction system

Abstract

The utility model relates to bridge installation technical field provides multi -chamber weak crossbeam steel roof hoist, hoisting equipment and bridge construction system, this hoist includes first box type roof, second box type roof and connecting piece, first box type roof and second box type roof are along the horizontal direction interval and parallelly arranged, and connecting piece is connected between first box type roof and second box type roof, the upper end surface of first box type roof and second box type roof is intervally provided with two first lifting lugs respectively, and the lower end surface of first box type roof and second box type roof is intervally provided with three second lifting lugs respectively, the utility model discloses through the rope connection such as the steel roof structure in three -chamber steel roof, converts into a lifting point with the lifting point hook of crane, makes three steel roofs synchronous hoist, and the stress load of steel roof is evenly dispersed, avoids the weak crossbeam between steel roof because of the different suspension angle of steel roof and leads to the deformation of partial stress, guarantees the suspension quality of multi -chamber steel roof.

Description

Technical Field

[0001] This utility model relates to the field of bridge installation technology, specifically to a multi-compartment weak crossbeam steel beam hoisting tool, hoisting equipment, and bridge construction system. Background Technology

[0002] In bridge construction, the cantilever assembly method is a common construction technique. However, some steel bridges are difficult to scaffold due to terrain limitations, resulting in long and heavy sections that are difficult to lift. For example, the Longwangxi Bridge is a three-cell steel beam structure with a weak crossbeam structure between the beams. When lifting the steel beams, it is necessary to ensure that all three cells are lifted simultaneously. If each cell is lifted separately, it is impossible to ensure that the three cells are evenly stressed, which can easily lead to localized stress, causing the steel beams to deform and hindering subsequent cantilever assembly. Utility Model Content

[0003] The problem this invention addresses is how to improve the quality of cantilevered steel beams in multi-compartment structures.

[0004] To address the aforementioned problems, this utility model provides a lifting tool, lifting equipment, and bridge construction system for multi-compartment weak crossbeam steel beams.

[0005] In a first aspect, this utility model provides a lifting device for multi-box weak crossbeam steel beams, including a first box beam, a second box beam, and a connector. The first box beam and the second box beam are spaced apart and arranged parallel to each other in the horizontal direction, and the connector is connected between the first box beam and the second box beam. The upper end faces of the first box beam and the second box beam are respectively provided with two first lifting lugs spaced apart, and the lower end faces of the first box beam and the second box beam are respectively provided with three second lifting lugs spaced apart.

[0006] Optionally, the connector includes a vertical connector and an oblique connector, which are respectively connected between the first box girder and the second box girder.

[0007] Optionally, the vertical connector includes a plurality of I-beams, which are spaced apart between the first box beam and the second box beam along the extension direction of the first box beam and the second box beam.

[0008] Optionally, the plurality of I-beams are a first I-beam, a second I-beam, and a third I-beam, wherein the second I-beam is located between the first I-beam and the third I-beam.

[0009] Optionally, the oblique connector includes a first steel pipe and a second steel pipe. One end of the first steel pipe is connected to the first box girder, and the other end is connected to the end face of the first I-beam opposite to the second I-beam. One end of the second steel pipe is connected to the second box girder, and the other end is connected to the end face of the first I-beam opposite to the second I-beam.

[0010] Optionally, the oblique connector includes a third steel pipe and a fourth steel pipe. One end of the third steel pipe is connected to the first box girder, and the other end is connected to the end face of the third I-beam opposite to the second I-beam. One end of the fourth steel pipe is connected to the second box girder, and the other end is connected to the end face of the third I-beam opposite to the second I-beam.

[0011] Optionally, the oblique connecting member includes a fifth steel pipe and a sixth steel pipe. The fifth steel pipe is obliquely connected between the first box girder and the second box girder, and is located between the first I-beam and the second I-beam. The sixth steel pipe is obliquely connected between the first box girder and the second box girder, and is located between the third I-beam and the second I-beam.

[0012] Optionally, the sixth steel pipe and the fifth steel pipe are arranged symmetrically with respect to the second I-beam.

[0013] Secondly, this utility model provides a hoisting device, including the multi-compartment weak crossbeam steel beam hoisting tool as described above.

[0014] Thirdly, this utility model provides a bridge construction system, including the hoisting equipment described above.

[0015] The beneficial effects of this utility model of multi-box weak crossbeam steel beam hoisting tool, hoisting equipment and bridge construction system are as follows: The first box beam and the second box beam are connected by connectors to ensure the connection stability of the first box beam and the second box beam and to withstand the lateral force of hoisting. Moreover, the first box beam and the second box beam are arranged in parallel at intervals, which can effectively distribute the load borne by the box beam. At the same time, the box beam has high strength and high rigidity, and the closed section makes it more stable under stress and deformation, which can effectively reduce the risk of deformation of the box beam, extend its service life, and improve the safety and reliability of the hoisting tool. In addition, compared with solid beams, the box beam is lighter in weight, which helps to reduce material usage and reduce the structural self-weight. The upper end faces of the first and second box girder are respectively provided with two first lifting lugs at intervals, which are connected to the crane hook by lifting ropes. The lower end faces are respectively provided with three second lifting lugs at intervals. The three second lifting lugs are connected to the three steel beam structures, such as the three box girder, by lifting ropes, which transforms the crane's single lifting point hook into a single lifting point, so that the three steel beams are lifted synchronously, the stress load on the steel beams is evenly distributed, and the deformation of the weak crossbeams between the steel beams due to local stress caused by different suspension angles of the steel beams is avoided, thus ensuring the quality of the multi-box girder assembly. Attached Figure Description

[0016] Figure 1 This is the main view of the lifting device for the multi-compartment weak crossbeam steel beam in this embodiment;

[0017] Figure 2 This is a top view of the lifting device for the multi-compartment weak crossbeam steel beam in this embodiment. Figure 1 ;

[0018] Figure 3 This is a side view of the lifting device for the multi-compartment weak crossbeam steel beam in this embodiment;

[0019] Figure 4 This is a top view of the lifting device for the multi-compartment weak crossbeam steel beam in this embodiment. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the construction structure of the hoisting tool for the multi-compartment weak crossbeam steel beam in this embodiment.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1-First box girder; 2-Second box girder;

[0023] 3-Connectors;

[0024] 31-Vertical connector; 311-First I-beam; 312-Second I-beam; 313-Third I-beam;

[0025] 32-Angled connector; 321-First steel pipe; 322-Second steel pipe; 323-Third steel pipe; 324-Fourth steel pipe; 325-Fifth steel pipe; 326-Sixth steel pipe;

[0026] 4-First hanging lug; 5-Second hanging lug;

[0027] 6-Multi-compartment steel beam; 61-Weak crossbeam. Detailed Implementation

[0028] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Although some embodiments of this utility model are shown in the drawings, it should be understood that this utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this utility model. It should be understood that the drawings and embodiments of this utility model are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.

[0029] The term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to"; the term "based on" means "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; and the term "optionally" means "optional embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first," "second," etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0030] It should be noted that the terms "one" and "multiple" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0031] like Figures 1 to 4 As shown in the figure, the present invention provides a multi-box weak crossbeam steel beam hoisting tool, including a first box beam 1, a second box beam 2 and a connector 3. The first box beam 1 and the second box beam 2 are arranged in parallel and spaced apart in the horizontal direction, and the connector 3 is connected between the first box beam 1 and the second box beam 2.

[0032] The upper end faces of the first box girder 1 and the second box girder 2 are respectively provided with two first lifting lugs 4 at intervals, and the lower end faces of the first box girder 1 and the second box girder 2 are respectively provided with three second lifting lugs 5 at intervals.

[0033] Specifically, the main lifting lug is inserted during the manufacturing of the first box girder 1 and the second box girder 2. The lifting lug stiffener and reinforcing plate are then welded on this basis to install the first lifting lug 4 and the second lifting lug 5 on the first box girder 1 and the second box girder 2. The two first lifting lugs 4 and the three second lifting lugs 5 are respectively arranged at intervals along the extension direction of the first box girder 1 and the second box girder 2, and the two first lifting lugs 4 and the three second lifting lugs 5 are arranged alternately along the extension direction of the first box girder 1 and the second box girder 2.

[0034] In one embodiment, such as Figures 1 to 3 As shown, the multi-box weak crossbeam steel beam lifting equipment is used for the cantilever assembly of three-box steel beams, such as those of the Longwangxi Bridge. The main bridge segment of the Longwangxi Bridge is a three-box steel beam. The lengths of the first box girder 1 and the second box girder 2 can each be 12600mm. The width of the entire lifting equipment can be 5450mm. The interval between the two first lifting lugs 4 on each box girder can be 7740mm, and the interval between the three second lifting lugs 5 can be 5800mm. The interval between the first lifting lugs 4 on the first box girder 1 and the second box girder 2 can be 5000mm to accommodate the three-box steel beams. It should be noted that the dimensions of the lifting equipment can be adjusted according to the specific dimensions of the multi-box steel beam.

[0035] In this embodiment, the first box girder 1 and the second box girder 2 are connected by a connector 3 to ensure the connection stability of the first box girder 1 and the second box girder 2 and to withstand the lateral force of hoisting. The first box girder 1 and the second box girder 2 are arranged in parallel at intervals, which can effectively distribute the load borne by the box girder. At the same time, the box girder has high strength and high rigidity, and the closed section makes it more stable under stress and deformation, which can effectively reduce the risk of deformation of the box girder, extend its service life, and improve the safety and reliability of the lifting equipment. Compared with solid beams, the box girder is lighter, which helps to reduce material usage and reduce the structural weight. The upper end faces of the first box girder 1 and the second box girder 2 are respectively provided with two first lifting lugs 4 at intervals, which are connected to the crane hook by lifting ropes. The lower end faces are respectively provided with three second lifting lugs 5 at intervals. The three second lifting lugs 5 are connected to the three steel beam structures, such as three box girder steel beams, by lifting ropes, which transforms the crane's one lifting point hook into six lifting points, so that the three steel beams are lifted synchronously, the stress load on the steel beams is evenly distributed, and the deformation of the weak crossbeams between the steel beams due to local stress caused by different suspension angles of the steel beams is avoided, thus ensuring the quality of the multi-box girder steel beam cantilever assembly.

[0036] Optionally, the connector 3 includes a vertical connector 31 and an oblique connector 32, which are respectively connected between the first box beam 1 and the second box beam 2.

[0037] Specifically, such as Figure 2As shown, the vertical connector 31 is used to connect the first box beam 1 and the second box beam 2, and the diagonal connector 32 is used to reinforce the connection of the vertical connector 31.

[0038] Optionally, the vertical connector 31 includes a plurality of I-beams, which are spaced apart between the first box beam 1 and the second box beam 2 along the extension direction of the first box beam 1 and the second box beam 2.

[0039] Specifically, the vertical connector 31 is an I-beam. I-beams have high bending strength, ensuring the connection stability of the first box girder 1 and the second box girder 2, preventing deformation of the lifting equipment, and increasing its service life. Since I-beams are heavier than solid beams, multiple I-beams can be used to further ensure the connection stability of the first box girder 1 and the second box girder 2.

[0040] Optionally, the plurality of I-beams are a first I-beam 311, a second I-beam 312, and a third I-beam 313, wherein the second I-beam 312 is located between the first I-beam 311 and the third I-beam 313.

[0041] In this embodiment, three I-beams are configured: a first I-beam 311, a second I-beam 312, and a third I-beam 313. These are sequentially arranged corresponding to the positions of the second lifting lugs 5, effectively bearing the loads exerted by the second lifting lugs 5 on the first box girder 1 and the second box girder 2 during hoisting, thus preventing deformation of the first box girder 1 and the second box girder 2. Figure 2 As shown, from left to right, they are the first I-beam 311, the second I-beam 312, and the third I-beam 313.

[0042] Optionally, the oblique connector 32 includes a first steel pipe 321 and a second steel pipe 322. One end of the first steel pipe 321 is connected to the first box girder 1, and the other end is connected to the end face of the first I-beam 311 opposite to the second I-beam 312. One end of the second steel pipe 322 is connected to the second box girder 2, and the other end is connected to the end face of the first I-beam 311 opposite to the second I-beam 312.

[0043] Specifically, such as Figure 4 As shown, the first steel pipe 321 and the second steel pipe 322 are used to reinforce the first I-beam 311. One end of the first steel pipe 321 is connected to the first box girder 1, and the other end is connected to the center position of the end face of the first I-beam 311 away from the second I-beam 312. One end of the second steel pipe 322 is connected to the second box girder 2, and the other end is connected to the center position of the end face of the first I-beam 311 away from the second I-beam 312, further improving the connection stability of the first box girder 1 and the second box girder 2.

[0044] Optionally, the oblique connector 32 includes a third steel pipe 323 and a fourth steel pipe 324. One end of the third steel pipe 323 is connected to the first box girder 1, and the other end is connected to the end face of the third I-beam 313 opposite to the second I-beam 312. One end of the fourth steel pipe 324 is connected to the second box girder 2, and the other end is connected to the end face of the third I-beam 313 opposite to the second I-beam 312.

[0045] Specifically, the structures of the third steel pipe 323 and the fourth steel pipe 324 are the same as those of the first steel pipe 321 and the second steel pipe 322, and will not be described again.

[0046] Optionally, the oblique connector 32 includes a fifth steel pipe 325 and a sixth steel pipe 326. The fifth steel pipe 325 is obliquely connected between the first box girder 1 and the second box girder 2, and the fifth steel pipe 325 is located between the first I-beam 311 and the second I-beam 312. The sixth steel pipe 326 is obliquely connected between the first box girder 1 and the second box girder 2, and the sixth steel pipe 326 is located between the third I-beam 313 and the second I-beam 312.

[0047] Optionally, the sixth steel pipe 326 and the fifth steel pipe 325 are symmetrically arranged relative to the second I-beam 312.

[0048] Specifically, the oblique connector 32 also includes a fifth steel pipe 325 and a sixth steel pipe 326 symmetrically arranged. The fifth steel pipe 325 is used to reinforce the first I-beam 311 and the second I-beam 312, that is, it is obliquely arranged between the first I-beam 311 and the second I-beam 312, and one end of the fifth steel pipe 325 is connected to the connection point between the first I-beam 311 and the first box beam 1, and the other end is connected to the connection point between the second I-beam 312 and the second box beam 2. The sixth steel pipe 326 is used to reinforce the third I-beam 313 and the second I-beam 312, that is, it is obliquely arranged between the third I-beam 313 and the second I-beam 312, and one end of the sixth steel pipe 326 is connected to the connection point between the third I-beam 313 and the first box beam 1, and the other end is connected to the connection point between the second I-beam 312 and the second box beam 2.

[0049] When using the multi-compartment weak crossbeam steel beam lifting device of this embodiment to suspend and assemble multi-compartment steel beams, the following steps are included:

[0050] (1) Install the lifting equipment and transport it to the construction site;

[0051] (2) Use a hoisting rope to hoist the multi-box steel beam onto the second lifting lug 5, and connect the lifting device to the hook of the crane through the hoisting rope and the first lifting lug 4;

[0052] (3) Use a crane to lift the lifting equipment to suspend and assemble the multi-compartment steel beams, such as... Figure 5 As shown.

[0053] This utility model provides a hoisting device, including the multi-compartment weak crossbeam steel beam hoisting tool as described above.

[0054] The lifting equipment in this embodiment has the same advantages over the prior art as the lifting equipment for multi-compartment weak crossbeam steel beams described above, and will not be repeated here.

[0055] This utility model provides a bridge construction system, including the multi-compartment weak crossbeam steel beam hoisting tool described above.

[0056] The advantages of the bridge construction system in this embodiment compared to the prior art are the same as those of the multi-box weak crossbeam steel beam hoisting tool described above, and will not be repeated here.

[0057] Although the present invention has been disclosed above, its protection scope is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the protection scope of the present invention.

Claims

1. A lifting device for multi-compartment weak crossbeam steel beams, characterized in that, It includes a first box beam (1), a second box beam (2) and a connector (3). The first box beam (1) and the second box beam (2) are spaced apart and parallel in the horizontal direction. The connector (3) connects the first box beam (1) and the second box beam (2). The upper end faces of the first box beam (1) and the second box beam (2) are respectively provided with two first lifting lugs (4) spaced apart. The lower end faces of the first box beam (1) and the second box beam (2) are respectively provided with three second lifting lugs (5) spaced apart.

2. The lifting device for multi-compartment weak crossbeam steel beams according to claim 1, characterized in that, The connector (3) includes a vertical connector (31) and an oblique connector (32), which are respectively connected between the first box beam (1) and the second box beam (2).

3. The lifting device for multi-compartment weak crossbeam steel beams according to claim 2, characterized in that, The vertical connector (31) includes multiple I-beams, which are spaced apart between the first box beam (1) and the second box beam (2) along the extension direction of the first box beam (1) and the second box beam (2).

4. The lifting device for multi-compartment weak crossbeam steel beams according to claim 3, characterized in that, The plurality of I-beams are a first I-beam (311), a second I-beam (312), and a third I-beam (313), wherein the second I-beam (312) is located between the first I-beam (311) and the third I-beam (313).

5. The lifting device for multi-compartment weak crossbeam steel beams according to claim 4, characterized in that, The oblique connector (32) includes a first steel pipe (321) and a second steel pipe (322). One end of the first steel pipe (321) is connected to the first box beam (1), and the other end is connected to the end face of the first I-beam (311) away from the second I-beam (312). One end of the second steel pipe (322) is connected to the second box beam (2), and the other end is connected to the end face of the first I-beam (311) away from the second I-beam (312).

6. The lifting device for multi-compartment weak crossbeam steel beams according to claim 4, characterized in that, The oblique connector (32) includes a third steel pipe (323) and a fourth steel pipe (324). One end of the third steel pipe (323) is connected to the first box beam (1), and the other end is connected to the end face of the third I-beam (313) away from the second I-beam (312). One end of the fourth steel pipe (324) is connected to the second box beam (2), and the other end is connected to the end face of the third I-beam (313) away from the second I-beam (312).

7. The lifting device for multi-compartment weak crossbeam steel beams according to claim 4, characterized in that, The oblique connector (32) includes a fifth steel pipe (325) and a sixth steel pipe (326). The fifth steel pipe (325) is obliquely connected between the first box beam (1) and the second box beam (2), and the fifth steel pipe (325) is located between the first I-beam (311) and the second I-beam (312). The sixth steel pipe (326) is obliquely connected between the first box beam (1) and the second box beam (2), and the sixth steel pipe (326) is located between the third I-beam (313) and the second I-beam (312).

8. The lifting device for multi-compartment weak crossbeam steel beams according to claim 7, characterized in that, The sixth steel pipe (326) and the fifth steel pipe (325) are symmetrically arranged relative to the second I-beam (312).

9. A hoisting device, characterized in that, Includes the multi-compartment weak crossbeam steel beam hoisting tool as described in any one of claims 1 to 8.

10. A bridge construction system, characterized in that, Includes the hoisting equipment as described in claim 9.

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