Connecting device for steel structure joints

Abstract

The connecting device comprises a stand column and an I-shaped steel beam, lower angle steel is installed on the outer surfaces of the two sides of the stand column through first bolts, limiting plates are installed on the two sides of the upper surface of the lower angle steel, guide grooves are formed in the opposite faces of the two limiting plates, and opening parts are arranged at the upper ends of the guide grooves; positioning pieces are arranged on the outer surfaces of the two sides of the I-shaped steel beam, and the positioning pieces are matched with the guide grooves; the I-shaped steel beam is installed on the upper surface of the lower angle steel through second bolts. Through the arrangement of the guide groove and the positioning piece, the positioning effect can be achieved when the I-shaped steel beam is hoisted, and through the arrangement of the opening part, as long as the positioning piece enters the opening part, even if some errors exist, the positioning piece can enter the guide groove under the limiting effect of the inner wall of the positioning piece; therefore, it is ensured that bolt holes in the I-shaped steel beam and bolt holes in the lower angle steel can accurately correspond, manual repeated fine adjustment is not needed, the construction complexity is reduced, the installation time is shortened, and the overall construction progress is accelerated.

Description

Technical Field

[0001] This utility model relates to the field of steel structure technology, specifically to a connection device for steel structure nodes. Background Technology

[0002] In modern architecture and engineering, steel structures are widely used in various large-scale building structures, bridge projects, and industrial plants due to their significant advantages such as high strength, light weight, and fast construction speed. Steel structure nodes, as key components in the steel structure system, play a vital role in connecting various components, transferring loads, and ensuring the overall stability of the structure.

[0003] Chinese patent CN220433932U discloses a connection device for a steel structure node. It uses an angle steel at the top of a column, with a bolt at the top of the angle steel, the bolt passing through the angle steel, the bolt passing through the support frame, and the bolt passing through the angle steel 2. The bolt is threadedly connected to a nut, which allows angle steel 1 and angle steel 2 to be fixed to the column, facilitating their installation. A second bolt is also present at the top of angle steel 1, passing through the angle steel 1, the bolt passing through the I-beam, and the bolt is threadedly connected to a nut, which further secures angle steel 1 and the I-beam, making the fixing process more convenient.

[0004] However, in practice, I-beams are usually installed by hoisting. During the hoisting process, workers need to constantly adjust the position of the I-beams to align the bolt holes. This process often requires repeated fine-tuning and slowly moving the steel beams by manpower or auxiliary equipment. The whole process is quite cumbersome, which greatly increases the installation time of the steel beams and affects the overall construction progress. Utility Model Content

[0005] The purpose of this invention is to provide a connection device for steel structure nodes, which effectively solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution.

[0007] A connection device for a steel structure node includes a column and an I-beam. Lower angle steel is mounted on both outer surfaces of the column via first bolts. Limiting plates are mounted on both sides of the upper surface of the lower angle steel. Guide grooves are formed on the opposite faces of the two limiting plates, with openings at the upper ends of the guide grooves. Positioning elements are provided on both outer surfaces of the I-beam, and these positioning elements are adapted to the guide grooves. The I-beam is mounted on the upper surface of the lower angle steel via second bolts.

[0008] Therefore, the guide groove and positioning component can be used to position the I-beam when it is hoisted onto the upper surface of the lower angle steel. Furthermore, the opening allows the positioning component to be positioned within the opening, and even with some errors, the inner wall of the positioning component will limit the I-beam as it is lowered, ensuring that it enters the guide groove. This guarantees that the bolt holes on the I-beam and the lower angle steel can be precisely aligned, eliminating the need for repeated manual adjustments, reducing the complexity of construction and installation time, and improving the overall construction progress.

[0009] Furthermore, the upper end of the limiting plate extends outward at an angle.

[0010] Furthermore, upper angle steel is installed on the outer surfaces of both sides of the column by the third bolt, and the lower surface of the upper angle steel is connected to the upper side of the I-beam by the fourth bolt.

[0011] Furthermore, reinforcing blocks are installed between the two side walls of the lower and upper angle steels, and the reinforcing blocks are welded to both the lower and upper angle steels.

[0012] Furthermore, the positioning element is a ball bearing.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows.

[0014] 1. This utility model, through the setting of guide groove and positioning component, can play a positioning role when hoisting the I-beam onto the upper surface of the lower angle steel for installation. Furthermore, through the setting of the opening, as long as the positioning component enters the opening, even if there are some errors, it can be limited by the inner wall of the I-beam during the lowering process, thus ensuring that the bolt holes on the I-beam and the lower angle steel can be accurately aligned. This eliminates the need for repeated manual fine-tuning, reduces the cumbersomeness of construction and installation time, and improves the overall construction progress.

[0015] 2. By setting the upper end of the limiting plate to extend outward, this utility model can play a good guiding role during the hoisting of the I-beam. Even if there is a slight deviation in position, it can slide down along the inclined inner wall of the limiting plate to the correct installation position, thus further improving the installation efficiency of the I-beam. Attached Figure Description

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a schematic diagram of the lower angle steel in this utility model;

[0019] Figure 4This is a schematic diagram of the structure of the I-beam in this utility model.

[0020] In the diagram: 1. Column; 101. Lower angle steel; 102. Limiting plate; 103. Guide groove; 104. Opening; 105. First bolt; 2. I-beam; 201. Positioning component; 202. Second bolt; 3. Upper angle steel; 301. Third bolt; 302. Fourth bolt; 4. Reinforcing block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 This utility model provides a connection device for a steel structure node, including a column 1 and an I-beam 2. Lower angle steel 101 is installed on both outer surfaces of the column 1 via first bolts 105. Limiting plates 102 are installed on both sides of the upper surface of the lower angle steel 101. Guide grooves 103 are formed on the opposite surfaces of the two limiting plates 102, and openings 104 are provided at the upper ends of the guide grooves 103. Positioning elements 201 are provided on both outer surfaces of the I-beam 2, and the positioning elements 201 are adapted to the guide grooves 103. The I-beam 2 is installed on the upper surface of the lower angle steel 101 via second bolts 202.

[0023] During installation, the two lower angle steels 101 are first installed on the two sides of the column 1 using the first bolts 105. Then, the I-beam 2 is hoisted above the lower angle steels 101 using a lifting device. The height of the I-beam 2 is then slowly lowered. Since the size of the opening 104 is larger than the size of the positioning piece 201, the positioning pieces 201 on both sides of the I-beam 2 can easily enter the opening 104 on the inner wall of the limiting plate 102. The I-beam 2 is then lowered further. Under the guidance of the inner wall of the opening 104, the positioning pieces 201 enter the guide groove 103. Through the precise guidance of the guide groove 103, it is ensured that the bolt holes on the I-beam 2 and the lower angle steel 101 can be accurately aligned. This eliminates the need for repeated manual fine-tuning, reduces the complexity of construction and installation time, and improves the overall construction progress.

[0024] Preferably, the upper end of the limiting plate 102 extends outward at an angle.

[0025] By setting the upper end of the limiting plate 102 to extend outward, it can play a good guiding role during the hoisting of the I-beam 2. Even if there is a slight deviation in position, it can slide down along the inclined inner wall of the limiting plate 102 to the correct installation position, thus further improving the installation efficiency of the I-beam 2.

[0026] Furthermore, the angle at which the upper end of the limiting plate 102 extends outward is between 15 and 30°, which ensures its guiding function and avoids the situation where the bottom of the I-beam 2 scrapes against the inner wall of the limiting plate 102 and the positioning part 201 cannot contact the inner wall of the opening 104 due to the excessive angle.

[0027] Preferably, upper angle steel 3 is installed on both outer surfaces of the column 1 by the third bolt 301, and the lower surface of the upper angle steel 3 is connected to the upper side of the I-beam 2 by the fourth bolt 302.

[0028] After the I-beam 2 is installed above the lower angle steel 101, the upper angle steel 3 is installed to reinforce the upper part of the I-beam 2, thus ensuring the stability and reliability of the installation of the I-beam 2.

[0029] Preferably, a reinforcing block 4 is installed between the two side walls of the lower angle steel 101 and the upper angle steel 3, and the reinforcing block 4 is welded to both the lower angle steel 101 and the upper angle steel 3.

[0030] By setting up the reinforcing block 4, the load on both side walls can be distributed, local stress concentration can be avoided, the overall rigidity can be improved, the side wall deformation can be prevented, the overall load-bearing capacity can be improved, and the reliability of the installation of the I-beam 2 can be guaranteed.

[0031] Preferably, the positioning element 201 is a ball bearing.

[0032] Ball bearings can convert sliding friction into rolling contact, thereby significantly reducing frictional resistance, wear, and noise, making the positioning of the I-beam 2 smoother.

[0033] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A connection device for a steel structure node, comprising a column (1) and an I-beam (2), characterized in that: The outer surfaces of both sides of the column (1) are fitted with lower angle steel (101) by first bolts (105). Limiting plates (102) are installed on both sides of the upper surface of the lower angle steel (101). Guide grooves (103) are opened on the opposite surfaces of the two limiting plates (102). An opening (104) is provided at the upper end of the guide groove (103). The outer surfaces of both sides of the I-beam (2) are provided with positioning parts (201), which are adapted to the guide groove (103); The I-beam (2) is mounted on the upper surface of the lower angle steel (101) by a second bolt (202).

2. The connection device for a steel structure node according to claim 1, characterized in that: The upper end of the limiting plate (102) extends outward at an angle.

3. The connection device for a steel structure node according to claim 1, characterized in that: The outer surfaces of both sides of the column (1) are fitted with upper angle steel (3) by the third bolt (301), and the lower surface of the upper angle steel (3) is connected to the upper side of the I-beam (2) by the fourth bolt (302).

4. The connection device for a steel structure node according to claim 3, characterized in that: A reinforcing block (4) is installed between the two side walls of the lower angle steel (101) and the upper angle steel (3), and the reinforcing block (4) is welded to the lower angle steel (101) and the upper angle steel (3).

5. The connection device for a steel structure node according to claim 1, characterized in that: The positioning element (201) is a ball bearing.

Images