Fabricated steel column-beam joint structure

By using the vertical toothed interlocking and long screw hole design of the prefabricated steel structure column-beam joints, the problems of complex construction and low installation efficiency of steel structure shafts are solved, achieving stability and flexible adjustment, and improving the convenience of elevator installation.

CN224412795UActive Publication Date: 2026-06-26SICHUAN FULANGJI ELECTROMECHANICAL TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN FULANGJI ELECTROMECHANICAL TECH CO LTD
Filing Date
2025-06-19
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

When installing elevators in old buildings, existing steel structure shafts are subject to significant challenges due to the influence of weather on on-site welding processes, long construction periods, noise pollution, and high transportation costs. Segmented hoisting is also limited, affecting the complexity of construction and the structural load-bearing performance.

Method used

The prefabricated steel column-beam joint structure utilizes a vertical toothed interlocking structure and a long screw hole design to ensure the stability of the crossbeams during assembly and provide adjustable space to accommodate the gauge adjustment of the elevator's main and auxiliary rails, thus improving installation convenience.

Benefits of technology

It improves the installation efficiency of prefabricated steel structure column-beam joints and the convenience of elevator installation. Through the interlocking structure of the bracket and the main body and the screw hole design, it achieves stable and flexible adjustment to adapt to changes in elevator track gauge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly type steel structure column beam node structure, it includes: stand, crossbeam, first support, second support, every section steel structure column is formed by four stands, every section steel structure column is equipped with four crossbeam, the surface fixedly connected with first support of stand, the surface fixedly connected with second support of stand, both ends of crossbeam are equipped with assembly slot mouth, and crossbeam is connected with first support through assembly slot mouth, and both ends of crossbeam are fixedly connected with inclined bracing plate, and the other end of inclined bracing plate is fixedly connected with second support. Through the contact surface of support and main part adopt the occlusion structure of vertical tooth and cooperate the design of long screw hole, make its every crossbeam guarantee its firm when in the process of assembly still possess certain adjustable space, its purpose is better adaptation elevator main vice track's track gauge when guide rail support adjustment angle reaches the limit, this structure can also provide the adjustment of overall distance to make the school guide rail more flexible convenient, improve the convenience of elevator installation.
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Description

Technical Field

[0001] This utility model relates to the field of steel structure assembly technology, and in particular to a prefabricated steel structure column-beam joint structure. Background Technology

[0002] When adding elevators to old buildings, an outdoor shaft needs to be installed for elevator installation and operation. Existing steel structure shafts are generally constructed by on-site welding or prefabricated segmented shafts that are hoisted onto the site.

[0003] On-site welding requires highly skilled high-altitude welding techniques. The entire construction process takes place outdoors, making it significantly affected by weather conditions. The construction period is long, and the long-term construction noise is substantial, frequently causing disturbances to residents. Segmented hoisting requires long-distance transportation of large components, which restricts transportation routes, is costly, and requires the site to meet the requirements for mechanical operation.

[0004] Therefore, there is market demand for prefabricated steel elevator shafts. In prefabricated steel structures, beam-column joints are crucial to structural design, affecting structural stress, seismic performance, construction complexity, and the degree to which quality is influenced by human factors. To address these issues and improve upon them, this solution proposes a prefabricated steel structure beam-column joint structure. Utility Model Content

[0005] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a prefabricated steel structure column-beam joint structure. This structure is convenient for installation and improves assembly efficiency. By adopting a vertical toothed interlocking structure on the contact surface between the bracket and the main body, and with the design of long screw holes, each crossbeam is ensured to be stable during assembly while also having a certain amount of adjustable space. Its purpose is to better adapt to the track gauge of the elevator main and auxiliary rails. When the guide rail bracket adjustment angle reaches its limit, this structure can also provide overall distance adjustment, making guide rail alignment more flexible and convenient, and improving the convenience of elevator installation.

[0006] This utility model also provides a prefabricated steel structure column-beam joint structure as described above, including: columns, beams, a first support, and a second support. Each section of the steel structure column is composed of four columns, and each section of the steel structure column is provided with four beams. The first support is fixedly connected to the surface of the columns, and the second support is fixedly connected to the surface of the columns. Both ends of the beams are provided with assembly slots, and the beams are connected to the first support through the assembly slots. Both ends of the beams are fixedly connected with diagonal bracing plates.

[0007] The other end of the diagonal brace is fixedly connected to the second bracket. The contact surface between the column and the first bracket is provided with a column vertical tooth, the contact surface between the first bracket and the column is provided with a bracket vertical tooth, the contact surface between the column and the second bracket is provided with a column vertical tooth, the contact surface between the second bracket and the column is provided with a bracket vertical tooth, the outer surface of the first bracket is provided with a staggered long screw hole, and the outer surface of the second bracket is provided with a slotted long screw hole.

[0008] According to the prefabricated steel structure column-beam joint structure of this utility model, the first bracket is connected to the column by bolts, and the vertical teeth of the bracket and the vertical teeth of the column mesh with each other.

[0009] According to the prefabricated steel structure column-beam joint structure of this utility model, the second bracket is connected to the column by bolts, and the second vertical tooth of the bracket meshes with the second vertical tooth of the column.

[0010] According to the prefabricated steel structure column-beam joint structure of this utility model, the inner width of the assembly slot matches the outer width of the first bracket.

[0011] According to the prefabricated steel structure column-beam joint structure of this utility model, the two ends of the crossbeam are connected to the first bracket by bolts, and the two ends of the crossbeam are connected to the diagonal brace by bolts.

[0012] According to the prefabricated steel structure column-beam joint structure of this utility model, the diagonal bracing plate is connected to the second bracket by bolts.

[0013] According to the prefabricated steel structure column-beam joint structure of this utility model, the width of the diagonal brace plate matches the width of the crossbeam, and the width of the diagonal brace plate matches the width of the second bracket.

[0014] Beneficial effects

[0015] Compared with existing technologies, this prefabricated steel structure column-beam joint structure is easier to install and improves assembly efficiency. The contact surface between the bracket and the main body adopts a vertical tooth interlocking structure and is designed with long screw holes. This ensures that each crossbeam is stable during assembly while also having a certain amount of adjustable space. The purpose is to better adapt to the track gauge of the elevator's main and auxiliary rails. When the guide rail bracket adjustment angle reaches its limit, this structure can also provide overall distance adjustment, making guide rail alignment more flexible and convenient, and improving the convenience of elevator installation. Attached Figure Description

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

[0017] Figure 1This is an overall structural diagram of a prefabricated steel structure column-beam joint structure according to this utility model;

[0018] Figure 2 This is a top view of a prefabricated steel structure column-beam joint structure according to this utility model;

[0019] Figure 3 This is a side view of a prefabricated steel structure column-beam joint structure according to the present invention;

[0020] Figure 4 This is a schematic diagram of the column structure of a prefabricated steel structure column-beam joint structure according to this utility model;

[0021] Figure 5 This utility model relates to an explosion of the column structure of a prefabricated steel structure column-beam joint structure.

[0022] Figure 6 This is a schematic diagram of the back structure of the first and second supports of a prefabricated steel structure column-beam joint structure according to this utility model.

[0023] Figure 7 This is a side view of the crossbeam of a prefabricated steel structure column-beam joint structure according to this utility model.

[0024] Legend:

[0025] 1. Column; 2. Horizontal beam; 3. Diagonal brace; 4. First bracket; 5. Second bracket; 6. Vertical tooth of column one; 7. Vertical tooth of column two; 8. Vertical tooth of bracket one; 9. Vertical tooth of bracket two; 10. Assembly slot; 11. Offset long screw hole; 12. Slotted long screw hole. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] Reference Figure 1-7This utility model discloses a prefabricated steel structure column-beam joint structure, comprising: columns 1, beams 2, first supports 4, and second supports 5. Each steel structure column consists of four columns 1 and four beams 2. The first supports 4 and the second supports 5 are fixedly connected to the surface of the columns 1. Both ends of the beams 2 are provided with assembly slots 10, and the beams 2 are connected to the first supports 4 through the assembly slots 10. Both ends of the beams 2 are fixedly connected with diagonal bracing plates 3. The other end of the diagonal bracing plates 3 is fixedly connected to the second supports 5. The contact surface between the columns 1 and the first supports 4 is provided with column vertical teeth 6, the contact surface between the first supports 4 and the columns 1 is provided with support vertical teeth 8, the contact surface between the columns 1 and the second supports 5 is provided with column vertical teeth 7, and the contact surface between the second supports 5 and the columns 1 is provided with support vertical teeth 9. The outer surface of the first supports 4 is provided with staggered long screw holes 11, and the outer surface of the second supports 5 is provided with slotted long screw holes 12.

[0028] The first bracket 4 is connected to the column 1 by bolts, and the vertical teeth 8 of the bracket engage with the vertical teeth 6 of the column. The second bracket 5 is connected to the column 1 by bolts, and the vertical teeth 9 of the bracket engage with the vertical teeth 7 of the column. The inner width of the assembly slot 10 matches the outer width of the first bracket 4. Both ends of the crossbeam 2 are connected to the first bracket 4 by bolts, and both ends of the crossbeam 2 are connected to the diagonal brace 3 by bolts. The diagonal brace 3 is connected to the second bracket 5 by bolts. The width of the diagonal brace 3 matches the width of the crossbeam 2, and the width of the diagonal brace 3 matches the width of the second bracket 5.

[0029] Working principle: During installation, two columns 1 are lifted using a lifting device and stabilized in their designated positions. The crossbeam 2 is placed between the two columns 1, and two first supports 4 are fixed to the two columns 1. Finally, both ends of the crossbeam 2 are fixed to the corresponding first supports 4.

[0030] The next column 1 is lifted by a hoist and stabilized in the designated position. Similarly, using a crossbeam 2, this column 1 is connected to the opposite column 1 using the first bracket 4. Finally, the last column 1 is lifted by a hoist and stabilized in the designated position. Two crossbeams 2 are then connected to the previous column 1 and the first column 1 placed initially via the first bracket 4. Diagonal bracing plates 3 are installed at the connection points between each crossbeam 2 and column 1.

[0031] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A prefabricated steel structure column-beam joint structure, comprising columns (1), beams (2), a first support (4), and a second support (5), characterized in that, Each steel structure column consists of four columns (1), and each steel structure column is provided with four crossbeams (2). A first bracket (4) is fixedly connected to the surface of the column (1), and a second bracket (5) is fixedly connected to the surface of the column (1). Both ends of the crossbeam (2) are provided with assembly slots (10). The crossbeam (2) is connected to the first bracket (4) through the assembly slots (10). Both ends of the crossbeam (2) are fixedly connected with diagonal bracing plates (3). The other end of the diagonal brace (3) is fixedly connected to the second bracket (5). The contact surface between the column (1) and the first bracket (4) is provided with column vertical teeth one (6). The contact surface between the first bracket (4) and the column (1) is provided with bracket vertical teeth one (8). The contact surface between the column (1) and the second bracket (5) is provided with column vertical teeth two (7). The contact surface between the second bracket (5) and the column (1) is provided with bracket vertical teeth two (9). The outer surface of the first bracket (4) is provided with staggered long screw holes (11). The outer surface of the second bracket (5) is provided with slotted long screw holes (12).

2. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The first bracket (4) is connected to the column (1) by bolts, and the vertical teeth of the bracket (8) and the vertical teeth of the column (6) mesh with each other.

3. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The second bracket (5) is connected to the column (1) by bolts, and the second vertical tooth (9) of the bracket and the second vertical tooth (7) of the column mesh with each other.

4. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The inner width of the assembly slot (10) matches the outer width of the first bracket (4).

5. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The two ends of the crossbeam (2) are connected to the first bracket (4) by bolts, and the two ends of the crossbeam (2) are connected to the diagonal brace (3) by bolts.

6. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The diagonal brace (3) is connected to the second bracket (5) by bolts.

7. The prefabricated steel structure column-beam joint structure according to claim 1, characterized in that, The width of the diagonal brace (3) matches that of the crossbeam (2), and the width of the diagonal brace (3) matches that of the second bracket (5).