Elevator derrick hoisting node connecting structure

Abstract

The utility model belongs to the technical field of elevator derrick structures, and particularly relates to an elevator derrick hoisting node connecting structure. The connecting box is arranged at the joint of the upper hoisting section and the lower hoisting section of the derrick steel column, the upper hoisting section and the lower hoisting section are welded and fixed through the connecting box, on-site welding is facilitated, and the rigidity of the derrick steel column splicing joint can be effectively enhanced; meanwhile, the upper and lower hoisting sections of the derrick steel column can be quickly positioned and mounted, and the splicing construction efficiency is improved; the welding windows are formed in the corresponding positions of the upper hoisting section and the lower hoisting section of the derrick steel column, the well steel column and the connecting box are welded through the welding windows, the connecting quality of steel column splicing joints can be further guaranteed, and the overall stability and safety of the elevator derrick structure are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevator shaft frame structures, and in particular relates to an elevator shaft frame hoisting node connection structure. Background Art

[0002] The steel structures needed in the elevator shaft include vertical elevator shaft frame steel columns and transverse steel beams. According to the different elevator shaft design height requirements, when constructing the elevator shaft frame, it is often necessary to hoist and splice elevator shaft frame steel columns of different lengths.

[0003] In the prior art, after the elevator shaft frame steel columns are manufactured in sections, it is difficult to ensure the rapid positioning and accurate docking of the upper and lower sections of the steel columns during on-site hoisting and splicing construction, which makes it difficult to perform welding operations on the joints of the shaft frame steel columns. In actual projects, the prior art usually makes it difficult to implement the stable welding of the shaft steel columns at the hoisting joints as required by the design, resulting in the stiffness of the shaft frame steel column splicing nodes failing to meet the regulatory requirements, posing a major safety hazard. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, an elevator derrick hoisting node connection structure is provided, by arranging a connection box at the connection between the upper and lower hoisting sections of the derrick steel column, the rigidity at the splicing node of the derrick steel column can be effectively strengthened, and at the same time, the upper and lower hoisting sections of the derrick steel column can be quickly positioned and installed, thereby improving the splicing efficiency.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] An elevator derrick hoisting node connection structure, comprising a connection box 3 arranged between an upper hoisting section 1 of a derrick steel column and a lower hoisting section 2 of a derrick steel column, wherein the size of the connection box 3 is adapted to the cross-sectional size of the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column, and the lower part of the connection box 3 is built into the lower hoisting section 2 of the derrick steel column, and the upper hoisting section 1 of the derrick steel column is sleeved on the upper part of the connection box 3;

[0007] Welding windows are provided on the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column at positions overlapping with the connecting box 3, and the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column are fixedly connected to the upper and lower parts of the connecting box 3 respectively through corresponding welding windows.

[0008] Preferably, an upper sealing plate 7 is provided at the upper end of the connection box 3 , and a lower sealing plate 8 is provided at the lower end of the connection box 3 .

[0009] Preferably, a plurality of upper welding points 10 are evenly arranged on the upper portion of the connection box 3 along the circumferential direction, and a plurality of lower welding points 11 are evenly arranged on the lower portion of the connection box 3 along the circumferential direction.

[0010] Preferably, an upper welding window 4 is opened on the outer wall of the upper hoisting section 1 of the derrick steel column at a position corresponding to the upper welding point 10, and a lower welding window 5 is opened on the outer wall of the lower hoisting section 2 of the derrick steel column at a position corresponding to the lower welding point 11.

[0011] Preferably, the hoisting section 1 on the derrick steel column is welded along four sides of the upper welding window 4 and then fixedly connected to the upper part of the connection box 3 .

[0012] Preferably, the lower hoisting section 2 of the derrick steel column is welded along four sides of the lower welding window 5 and then fixedly connected to the lower part of the connection box 3.

[0013] Preferably, the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column are fixedly connected at the splicing node 6 by full penetration welding.

[0014] Compared with the prior art, the utility model has the following main advantages:

[0015] 1. The utility model provides a connection box at the connection of the upper and lower hoisting sections of the derrick steel column, and uses the connection box to weld and fix the upper and lower steel column sections, which is convenient for on-site welding and can effectively strengthen the rigidity of the derrick steel column splicing nodes; at the same time, it can realize the rapid positioning and installation of the upper and lower hoisting sections of the derrick steel column, and improve the splicing construction efficiency;

[0016] 2. The utility model sets welding windows at corresponding positions on the upper and lower hoisting sections of the derrick steel column. The hoistway steel column and the connecting box are welded through the welding windows, which can further ensure the connection quality of the steel column splicing nodes and improve the overall stability and safety of the elevator derrick structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of the elevator shaft frame hoisting node connection structure in the embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the connection box in the embodiment of the utility model;

[0019] Figure 3 for Figure 1 Cross-sectional view of AA in the middle;

[0020] Figure 4 It is a perspective view of a lifting node in an embodiment of the utility model.

[0021] In the figure: 1-upper hoisting section of derrick steel column; 2-lower hoisting section of derrick steel column; 3-connection box; 4-upper welding window; 5-lower welding window; 6-splicing node; 7-upper sealing plate; 8-lower sealing plate; 9-derrick steel beam; 10-upper welding point; 11-lower welding point; 12-schematic position of steel column splicing weld. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] It should be pointed out that, according to the needs of implementation, the various steps / components described in this application can be split into more steps / components, and two or more steps / components or partial operations of steps / components can be combined into new steps / components to achieve the purpose of the present utility model.

[0024] Embodiment 1: This embodiment provides an elevator shaft frame hoisting node connection structure, such as Figures 1 to 4 As shown, it mainly includes: a connection box 3 arranged between the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column, the size of the connection box 3 is adapted to the cross-sectional size of the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column, and the lower part of the connection box 3 is built into the lower hoisting section 2 of the derrick steel column, and the upper hoisting section 1 of the derrick steel column is sleeved on the upper part of the connection box 3;

[0025] Welding windows are provided on the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column at positions overlapping with the connecting box 3, and the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column are fixedly connected to the upper and lower parts of the connecting box 3 respectively through corresponding welding windows.

[0026] Furthermore, an upper sealing plate 7 is provided at the upper end of the connection box 3 , and a lower sealing plate 8 is provided at the lower end of the connection box 3 .

[0027] Furthermore, a plurality of upper welding points 10 are evenly arranged on the upper portion of the connection box 3 along the circumferential direction, and a plurality of lower welding points 11 are evenly arranged on the lower portion of the connection box 3 along the circumferential direction.

[0028] Furthermore, an upper welding window 4 is opened on the outer wall of the upper hoisting section 1 of the derrick steel column at a position corresponding to the upper welding point 10, and a lower welding window 5 is opened on the outer wall of the lower hoisting section 2 of the derrick steel column at a position corresponding to the lower welding point 11.

[0029] Furthermore, the hoisting section 1 on the derrick steel column is welded along four sides of the upper welding window 4 and then fixedly connected to the upper part of the connection box 3 .

[0030] Furthermore, the lower hoisting section 2 of the derrick steel column is welded along four sides of the lower welding window 5 and is fixedly connected to the lower part of the connection box 3 .

[0031] Furthermore, the upper hoisting section 1 of the derrick steel column and the lower hoisting section 2 of the derrick steel column are fixedly connected at the splicing node 6 by full penetration welding.

[0032] Embodiment 2: This embodiment provides an elevator shaft frame hoisting node connection structure, which strengthens the rigidity of the splicing node by arranging a connection box at the corresponding positions of the upper and lower hoisting sections of the shaft frame steel column, and at the same time enables the upper and lower hoisting sections to be quickly positioned and installed, facilitating the butt welding of the steel columns.

[0033] Furthermore, a plurality of welding windows are provided at corresponding positions on the upper and lower hoisting sections of the derrick steel column, and the hoistway steel column and the connection box are welded through the welding windows, thereby ensuring the quality and safety of the steel column connection.

[0034] Furthermore, the connection box is built into the upper end of the lower hoisting section of the steel column. After being hoisted into place, the upper hoisting section of the steel column is welded to the connection box on site;

[0035] Furthermore, when the steel column is welded to the connection box, surrounding welding is performed along the four sides of the welding window;

[0036] Furthermore, after hoisting into place, full-penetration welding is performed all around the joints of the upper and lower hoisting sections of the steel column.

[0037] When implementing:

[0038] First, according to the cross-sectional dimensions of the upper and lower hoisting sections of the elevator shaft steel column, a connection box of corresponding size and length is selected;

[0039] Then, according to the size of the connection box, welding windows are opened at corresponding positions of the upper and lower hoisting sections of the derrick steel column;

[0040] At the same time, when the steel structure is manufactured in the factory, the lower hoisting section of the derrick steel column is pre-welded and fixed to the connection box through the corresponding upper welding window;

[0041] Finally, after being hoisted into place, the upper hoisting section of the derrick steel column is also welded and fixed to the connecting box on site through the corresponding lower welding window, and circumferential penetration welding is performed at the junction of the upper and lower hoisting sections of the derrick steel column to complete the splicing construction of the upper and lower sections of the steel column.

[0042] Furthermore, all parts involved in this application that are not described in detail are the same as the prior art or are implemented using the prior art.

[0043] In summary:

[0044] 1. The utility model provides a connection box at the connection of the upper and lower hoisting sections of the derrick steel column, and uses the connection box to weld and fix the upper and lower steel column sections, which is convenient for on-site welding and can effectively strengthen the rigidity of the derrick steel column splicing nodes; at the same time, it can realize the rapid positioning and installation of the upper and lower hoisting sections of the derrick steel column, and improve the splicing construction efficiency;

[0045] 2. The utility model sets welding windows at corresponding positions on the upper and lower hoisting sections of the derrick steel column. The hoistway steel column and the connecting box are welded through the welding windows, which can further ensure the connection quality of the steel column splicing nodes and improve the overall stability and safety of the elevator derrick structure.

[0046] The above embodiments are only used to illustrate the design ideas and features of the utility model, and their purpose is to enable those skilled in the art to understand the content of the utility model and implement it accordingly. The protection scope of the utility model is not limited to the above embodiments. Therefore, any equivalent changes or modifications made based on the principles and design ideas disclosed by the utility model are within the protection scope of the utility model.

Claims

1. An elevator shaft frame hoisting node connection structure, characterized in that: It comprises a connection box (3) arranged between an upper hoisting section (1) of a derrick steel column and a lower hoisting section (2) of a derrick steel column, the size of the connection box (3) being compatible with the cross-sectional size of the upper hoisting section (1) of the derrick steel column and the lower hoisting section (2) of the derrick steel column, and the lower part of the connection box (3) being built into the lower hoisting section (2) of the derrick steel column, and the upper hoisting section (1) of the derrick steel column being sleeved on the upper part of the connection box (3); The upper hoisting section (1) of the derrick steel column and the lower hoisting section (2) of the derrick steel column are both provided with welding windows at positions overlapping with the connection box (3), and the upper hoisting section (1) of the derrick steel column and the lower hoisting section (2) of the derrick steel column are respectively fixedly connected to the upper part and the lower part of the connection box (3) through corresponding welding windows.

2. The elevator shaft frame hoisting node connection structure according to claim 1, characterized in that: An upper sealing plate (7) is provided at the upper end of the connection box (3), and a lower sealing plate (8) is provided at the lower end of the connection box (3).

3. The elevator shaft frame hoisting node connection structure according to claim 1, characterized in that: The upper portion of the connection box (3) is evenly provided with a plurality of upper welding points (10) along the circumferential direction, and the lower portion of the connection box (3) is evenly provided with a plurality of lower welding points (11) along the circumferential direction.

4. The elevator shaft frame hoisting node connection structure according to claim 3, characterized in that: An upper welding window (4) is provided on the outer wall of the upper hoisting section (1) of the derrick steel column at a position corresponding to the upper welding point (10), and a lower welding window (5) is provided on the outer wall of the lower hoisting section (2) of the derrick steel column at a position corresponding to the lower welding point (11).

5. The elevator shaft frame hoisting node connection structure according to claim 4, characterized in that: The upper hoisting section (1) of the derrick steel column is welded along the four sides of the upper welding window (4) and is then fixedly connected to the upper part of the connection box (3).

6. The elevator shaft frame hoisting node connection structure according to claim 4, characterized in that: The lower hoisting section (2) of the derrick steel column is welded along the four sides of the lower welding window (5) and is then fixedly connected to the lower part of the connection box (3).

7. The elevator shaft frame hoisting node connection structure according to claim 1, characterized in that: The upper hoisting section (1) of the derrick steel column and the lower hoisting section (2) of the derrick steel column are fixedly connected at the splicing node (6) by full penetration welding.

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