Forest footpath steel structure box beam connecting node

Abstract

The utility model discloses a forest footpath steel structure box girder connection node which comprises a main box girder and branch box girders, a plurality of branch box girders are installed on the surface of the main box girder, an assembly frame is installed on the surface of the joint of the branch box girders and the surface of the main box girder, the ends of the branch box girders are inserted into the assembly frame, the branch box girders are installed through bolts, and the branch box girders are connected with the main box girder through bolts. Supporting rib plates are arranged on the two sides of the assembling frame in the length direction, the bottoms of the supporting rib plates are fixedly installed on the surface of the main box girder through bolts, the tops of the supporting rib plates are fixedly installed on the branch box girder through bolts, and first rib plates are fixedly installed on the two sides of the assembling frame in the height direction. And then the supporting rib plates are fixedly installed at the ends of the branch box girders through bolts, so that the branch box girders are installed in the assembly frame in a closed mode, the strength that the assembly frame is fixedly installed on the assembly frame, the first rib plates and the second rib plates are fixedly installed through bolts is enhanced, and the strength that the assembly frame and the main box girder are fixedly installed is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure box beam connection nodes, in particular to a forest trail steel structure box beam connection node. Background Art

[0002] Forest trail construction primarily occurs in mountainous and forested areas. Forestry departments' promotion of trail construction can fully leverage the advantages of forests, wetlands, deserts, and wildlife. In the future, forest trails will become a fundamental component of trail infrastructure. Promoting forest trail construction can contribute to building an ecological Great Wall, ensuring forests benefit the people, and effectively expanding the scope for forest tourism development.

[0003] In the prior art: Publication (Announcement) No.: CN204475537U discloses a connection node between a box beam and a box column, comprising two inner partitions fixedly connected in the box column and arranged horizontally, the two inner partitions corresponding one-to-one to the positions of the two beam flanges, two connecting plates fixedly connected to the outer sides of the column flanges close to the box beam, the two beam webs corresponding one-to-one to the two connecting plates, and the beam webs and the connecting plates are bolted together, the beam flanges are cut off near the column flanges to form an auxiliary installation notch, a beam flange supplementary steel plate is provided at the auxiliary installation notch, one end of the beam flange supplementary steel plate is fixedly connected to the beam flange, the other end of the beam flange supplementary steel plate is fixedly connected to the column flange, and the beam flange supplementary steel plate is fixedly connected to the two beam webs.

[0004] The existing technology is that the connection between the box beams has a joint gap, which requires secondary reinforcement pad installation, joint welding, grinding and other processes. The construction and installation method has many procedures and low efficiency. Secondly, in the existing technology, the box beams are installed only through the beam web and beam flange, resulting in poor installation and fixing strength, affecting the quality of construction.

[0005] For this purpose, it is necessary to provide a forest trail steel structure box beam connection node. Utility Model Content

[0006] In view of the problems existing in the above-mentioned prior art, the present invention provides a forest trail steel structure box beam connection node, the purpose of which is to solve the above-mentioned technical problems.

[0007] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a forest trail steel structure box beam connection node, including a main box beam and a branch box beam, a number of branch box beams are installed on the surface of the main box beam, and an assembly frame is installed on the surface of the connection between the branch box beam and the main box beam surface. The ends of the branch box beams are inserted into the assembly frame and the branch box beams are installed by bolts. Support ribs are provided on both sides of the length direction of the assembly frame. The bottom of the support rib is fixed to the surface of the main box beam by bolts, and the top of the support rib is fixed to the branch box beam by bolts. Rib plate 1 is fixed on both sides of the height direction of the assembly frame, and rib plate 2 adapted to rib plate 1 is fixed on the surface of the main box beam at rib plate one, and rib plate 1 and rib plate 2 are fixed by bolts.

[0008] Preferably, a rib plate three is provided at one side end of the assembly frame away from the rib plate one, and a rib plate four is provided on the surface of the branch box beam located at the rib plate three. The rib plate three and the rib plate four are adapted to each other and fixed by bolts.

[0009] Preferably, the assembly frame is arranged as a "U"-shaped structure, and one side of the installation opening of the assembly frame is arranged away from the main box beam.

[0010] Preferably, the supporting ribs are arranged in an "L"-shaped structure, and the two supporting ribs and the branch box beam are installed together to enclose the assembly frame, so as to be used for fixing the branch box beam inside the assembly frame.

[0011] In summary, the utility model provides a box-beam connection node for a forest trail steel structure. Compared with the prior art, the utility model has the following beneficial effects: branch box beams are installed on both sides of the main box beam in the length direction to form a beam frame installation that supports and installs the entire forest trail. An assembly frame is bolted to the main box beam at the connection with the branch box beam, and the ends of the branch box beams are installed by plugging the assembly frame and fixed by bolts. The branch box beams are installed by sleeve connection through the assembly frame, which can avoid the occurrence of joint gaps between the branch box beams and the main box beam, and eliminates the need for adding a cushion layer for reinforcement and then welding the installation. Support ribs are symmetrically arranged on both sides of the assembly frame in the length direction, and the support ribs are installed on the surface of the main box beam by bolts. The support ribs are then fixed to the ends of the branch box beams by bolts, so that the branch box beams are closed and installed inside the assembly frame, thereby strengthening the fixed installation of the assembly frame on the assembly frame.

[0012] In order to further strengthen the fixed installation between the assembly frame and the main box girder surface, and for the fixed installation of the branch box girder, stiffener plates 1 are fixedly installed on both sides of the assembly frame in the height direction, and stiffener plates 2 matching stiffener plates 1 are fixedly installed on the surface of the main box girder at one of the stiffener plates. Stiffener plates 1 and 2 are fixedly installed by bolts, thereby achieving the strength of the fixed installation between the assembly frame and the main box girder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the connection node structure of the box beam of the forest trail steel structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structural analysis of the box beam connection nodes of the forest trail steel structure of the present invention;

[0015] In the figure: main box girder 1, branch box girder 2, assembly frame 3, supporting rib plate 4, rib plate 1 5, rib plate 2 6, rib plate 3 7, rib plate 4 11. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] like Figures 1 to 2 As shown:

[0018] The utility model is a box beam connection node of a forest trail steel structure, comprising a main box beam 1 and a branch box beam 2. Several branch box beams 2 are installed on the surface of the main box beam 1. An assembly frame 3 is installed on the surface where the branch box beam 2 is connected to the surface of the main box beam 1. The ends of the branch box beams 2 are inserted into the assembly frame 3 and the branch box beams 2 are installed by bolts. Support ribs 4 are provided on both sides of the length direction of the assembly frame 3. The bottom of the support ribs 4 is fixedly installed to the surface of the main box beam 1 by bolts, and the top of the support ribs 4 is fixedly installed to the branch box beam 2 by bolts. Rib plates 1 5 are fixedly installed on both sides of the height direction of the assembly frame 3. Rib plates 2 6 that are compatible with rib plates 1 5 are fixedly installed on the surface of the main box beam 1 at the rib plate 1 5. Rib plates 1 5 and rib plates 2 6 are fixedly installed by bolts.

[0019] In order to solve the technical problems existing in the prior art, the technical structure adopted by this patent is as follows: branch box beams 2 are installed on both sides of the length direction of the main box beam 1 to form a beam installation supporting the installation of the overall forest trail. The main box beam 1 is bolted with an assembly frame 3 at the connection with the branch box beam 2. The end of the branch box beam 2 is installed by plugging the assembly frame 3 and fixed by bolts. The branch box beam 2 is installed by sleeve connection through the assembly frame 3, which can avoid the occurrence of joint gaps between the branch box beam 2 and the main box beam 1, and eliminates the need for adding a cushion layer for reinforcement and then welding the installation. Support ribs 4 are symmetrically arranged on both sides of the length direction of the assembly frame 3. The support ribs 4 are installed on the surface of the main box beam 1 by bolts, and the support ribs 4 are fixed to the ends of the branch box beam 2 by bolts, so as to realize the closed installation of the branch box beam 2 inside the assembly frame 3, thereby strengthening the fixed installation of the assembly frame 3 on the assembly frame 3.

[0020] In order to further strengthen the fixed installation of the assembly frame 3 and the main box girder 1 surface, and to fix the branch box girder 2, stiffener plates 5 are fixedly installed on both sides of the assembly frame 3 in the height direction, and stiffener plates 6 that are compatible with stiffener plates 5 are fixedly installed on the surface of the main box girder 1 at the stiffener plates 5. Stiffener plates 15 and stiffener plates 26 are fixedly installed by bolts, thereby achieving the strength of the fixed installation of the assembly frame 3 and the main box girder 1.

[0021] At least in one embodiment, in order to further strengthen the fixed installation of the assembly frame 3 and the branch box beam 2, a rib plate three 7 is provided at one side end of the assembly frame 3 away from the rib plate one 5, and a rib plate four 11 is provided on the surface of the branch box beam 2 located at the rib plate three 7. The rib plate three 7 and the rib plate four 11 are adapted to be arranged and fixedly installed by bolts, so as to further fix the branch box beam 2 through the assembly frame 3.

[0022] In at least one embodiment, the assembly frame 3 is configured as a “U”-shaped structure, and one side of the installation opening of the assembly frame 3 is disposed away from the main box girder 1 .

[0023] At least in one embodiment, the support ribs 4 are arranged as an "L"-shaped structure, and the two support ribs 4 and the branch box beam 2 are installed together to enclose the assembly frame 3, so that the support ribs 4 and the assembly frame 3 form a closed space for fixing the branch box beam 2 inside the assembly frame 3.

[0024] The embodiments of the present invention are only used to illustrate the present invention and do not limit the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A box beam connection node for a forest trail steel structure, characterized in that: The utility model comprises a main box girder (1) and a branch box girder (2), wherein a plurality of branch box girders (2) are installed on the surface of the main box girder (1), an assembly frame (3) is installed on the surface where the branch box girder (2) and the main box girder (1) are connected, the ends of the branch box girder (2) are inserted into the assembly frame (3), and the branch box girder (2) is installed by bolts, and supporting ribs (4) are arranged on both sides of the length direction of the assembly frame (3), the bottom of the supporting ribs (4) is fixedly installed with the surface of the main box girder (1) by bolts, and the top of the supporting ribs (4) is fixedly installed with the branch box girder (2) by bolts, and both sides of the height direction of the assembly frame (3) are fixedly installed with rib plate 1 (5), and the surface of the main box girder (1) at the rib plate 1 (5) is fixedly installed with rib plate 2 (6) adapted to the rib plate 1 (5), and the rib plate 1 (5) and the rib plate 2 (6) are fixedly installed by bolts.

2. A forest trail steel structure box beam connection node according to claim 1, characterized in that: A rib plate three (7) is provided at one end of the assembly frame (3) away from the rib plate one (5), and a rib plate four (11) is provided on the surface of the branch box beam (2) located at the rib plate three (7). The rib plate three (7) and the rib plate four (11) are adapted to each other and fixedly installed by bolts.

3. The box beam connection node of a forest trail steel structure according to claim 1 is characterized in that: The assembly frame (3) is arranged in a "U"-shaped structure, and one side of the installation opening of the assembly frame (3) is arranged away from the main box beam (1).

4. The box beam connection node of a forest trail steel structure according to claim 2, characterized in that: The supporting ribs (4) are arranged in an "L"-shaped structure, and the two supporting ribs (4) and the branch box beam (2) are installed together to enclose the assembly frame (3) so as to be used for fixing the branch box beam (2) inside the assembly frame (3).

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