Lifting bracket of large-span space steel structure

Abstract

The utility model belongs to the technical field of lifting corbels, and particularly relates to a lifting corbel of a large-span space steel structure, which comprises a fixed corbel seat, and the fixed corbel seat is fixedly welded with a steel column; the detachable lifting bracket is connected with the fixed bracket seat in an inserting manner and is fixedly connected with the fixed bracket seat through a bolt; the detachable lifting bracket comprises a supporting panel, a connecting vertical plate and two supporting vertical plates, and an interval exists between the two supporting vertical plates. The connecting vertical plate is fixedly connected with the side faces of the two supporting vertical plates. The supporting panel is fixedly connected with the upper surfaces of the two supporting vertical plates, one end of the supporting panel is a lap joint part, and the lap joint part extends out of the connecting vertical plates and makes contact with the upper surface of the connecting panel; the connecting vertical plate is in contact with the connecting plate. The detachable lifting bracket and the fixed bracket base are connected in an inserted mode, fixed connection of the detachable lifting bracket and the fixed bracket base is achieved in an inserted connection and bolt mode, and double guarantees are provided. Even if the bolt is loosened, effective support can still be provided at the insertion part.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting brackets, and in particular relates to a lifting bracket of a large-span space steel structure. Background Art

[0002] The overall lifting installation construction technology refers to a construction technology that installs the structure to the corresponding position of the implementation design after it is assembled on the tire frame or on the ground. When the height of the large-span steel structure is high, it is not conducive to setting up the supporting tire frame, and the lifting steel structure has a regular shape, the overall lifting construction method can be used as one of the options. High-altitude sliding technology refers to the installation technology of assembling the structural units of modern large-span space steel structures or the entire structure under assembly conditions, and then moving them horizontally at the pre-set position, and then starting to splice them into a whole at the designed position.

[0003] By adopting this installation technology, the assembly site and assembly machinery and equipment can be concentrated in a relatively fixed site, which can reduce the use of temporary support and operating platform measures, save site handling and management costs, and effectively control the position accuracy of components.

[0004] Lifting corbels (steel corbels) are usually fixed by integral welding, which is not rotatable, resulting in material waste. To this end, the utility model patent with patent application number 202220747281.7 discloses an assembled steel support corbel structure, in which the corbels are divided into recyclable corbels and welded corbels, so that most of the corbel materials are recyclable, reducing waste and improving economic benefits. However, the contact surface between the welded corbel and the recyclable corbel is ineffective, and is mainly connected by bolts. When the bolts are loose, there is a lack of corresponding structure to provide protection. Therefore, it is necessary to provide another alternative. Utility Model Content

[0005] In view of the above technical problems, the utility model provides a lifting bracket for a large-span spatial steel structure, which ensures the recovery and turnover while ensuring the overall connection support strength and providing double protection.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A lifting bracket of a large-span space steel structure, comprising

[0008] A fixed corbel seat, the fixed corbel seat is welded and fixed to the steel column; the fixed corbel seat comprises a connecting panel, a fixed vertical plate and a connecting plate, two fixed vertical plates are provided, and there is a gap between the two fixed vertical plates; the connecting panel is fixedly connected to the upper surfaces of the two fixed vertical plates; the connecting plate is fixedly connected to the sides of the two fixed vertical plates;

[0009] A detachable lifting corbel is plugged into a fixed corbel seat and fixedly connected by bolts; the detachable lifting corbel comprises a supporting panel, a connecting vertical plate and a supporting vertical plate, two supporting vertical plates are provided, and there is a gap between the two supporting vertical plates; the connecting vertical plate is fixedly connected to the side surfaces of the two supporting vertical plates; the supporting panel is fixedly connected to the upper surfaces of the two supporting vertical plates, one end of the supporting panel is a lap portion, which extends to the outside of the connecting vertical plate and contacts with the upper surface of the connecting panel; the connecting vertical plate contacts the connecting plate.

[0010] A connection plug block is fixed on the connection vertical plate, and a corresponding connection slot is provided on the connection plate; the connection plug block passes through the connection panel and is plugged into the connection slot.

[0011] The connecting plug block is in a "T" shape.

[0012] The supporting panel is provided with a U-shaped opening.

[0013] Reinforcing ribs are arranged between the supporting vertical plates and the supporting panels.

[0014] The bolts include a first bolt, a second bolt and a third bolt; the overlap portion is connected to the connection panel via the first bolt; the fixed vertical plate is connected to the supporting vertical plate via the second bolt; and the overlap portion is fixedly connected to the steel column via the third bolt.

[0015] Bolt connection plates are fixed on the sides of the fixed vertical plates and the supporting vertical plates.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The detachable lifting bracket is plugged into the fixed bracket seat, and the two are fixedly connected by plugging + bolts, providing double protection. Even if the bolts are loose, they can still provide effective support at the plug-in point.

[0018] An overlap portion is provided, which extends outside the connecting vertical plate and contacts the upper surface of the connecting panel; and the connecting vertical plate contacts the connecting plate. A "7"-shaped support contact surface is provided between the detachable lifting corbel and the fixed corbel seat, and the detachable lifting corbel is "hung" on the fixed corbel seat, which can effectively improve the overall connection support strength.

[0019] The structural setting of the fixed corbel seat itself can ensure the connection between it and the steel column, and also ensure the connection between it and the detachable lifting corbel.

[0020] Through the above-mentioned structural setting, the overlapping part contacts with the upper surface of the connecting panel to limit the downward movement of the detachable lifting bracket, and the front, back, left and right movement of the detachable lifting bracket is limited by the cooperation between the connecting block and the connecting slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model in one direction;

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model in another direction;

[0023] Figure 3 It is the front view of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the detachable lifting bracket of the utility model in one direction;

[0025] Figure 5 This is a schematic diagram of the structure of the detachable lifting bracket of the utility model in another direction;

[0026] Figure 6 This is a structural schematic diagram of a fixed corbel seat of the utility model;

[0027] Figure 7 It is a schematic diagram of the use state of the utility model;

[0028] Among them: 1 is a fixed corbel seat, 10 is a connecting panel, 11 is a fixed vertical plate, 12 is a connecting plate, 13 is a connecting slot, 2 is a detachable lifting corbel, 20 is a supporting panel, 21 is a connecting vertical plate, 22 is a supporting vertical plate, 23 is a lap joint, 24 is a connecting plug block, 25 is a U-shaped opening, 26 is a reinforcing rib, 3 is a steel column, 4 is a first bolt, 5 is a second bolt, 6 is a third bolt, 7 is a bolt connecting plate, and 8 is a hydraulic lifter. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present utility model are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0030] like Figure 1-7 As shown, a lifting bracket of a large-span space steel structure includes a fixed bracket seat 1 and a detachable lifting bracket 2; wherein the detachable lifting bracket 2 is a rotatable part. The detachable lifting bracket 2 and the fixed bracket seat 1 are secured by a double connection structure of plug-in + bolts.

[0031] The fixed corbel seat 1 and the detachable lifting corbel 2 preferably adopt the following structural arrangement to ensure good support and connection between the two.

[0032] The fixed corbel 1 includes a connecting panel 10, a connecting plate 12 and two fixed vertical plates 11. The connecting panel 10 is fixed to the upper surface of the two fixed vertical plates 11 by welding; the connecting plate 12 is fixed to the side surfaces of the two fixed vertical plates 11 by welding. The two fixed vertical plates 11 are fixed to the steel column 3 by welding. Specifically, the welds are all single-sided groove welds with a weld grade of Level 2.

[0033] The detachable lifting bracket 2 includes a support panel 20, a support vertical plate 22 and two connecting vertical plates 21; the connecting vertical plate 21 is fixed to the side surfaces of the two supporting vertical plates 22 by welding; the support panel 20 is fixed to the upper surfaces of the two supporting vertical plates 22 by welding. At the same time, one end of the support panel 20 is a lap portion 23, which extends (exceeds) outside the connecting vertical plates 21.

[0034] After the detachable lifting corbel 2 is first plugged into the fixed corbel seat 1, the overlap portion 23 contacts the upper surface of the connection panel 10, and the connection riser 21 contacts the connection plate 12. That is, the contact surface between the detachable lifting corbel 2 and the fixed corbel seat 1 is a "7" shape, and the detachable lifting corbel 2 is "hung" on the fixed corbel seat 1. This structural setting, on the one hand, ensures the connection support strength between the two, and through the overlap portion 23 contacting the upper surface of the connection panel 10, it can play the role of installation positioning.

[0035] Furthermore, plugging can be achieved in a variety of ways, preferably using the following structural settings:

[0036] A connection plug block 24 is fixed on the connection vertical plate 21, and a corresponding connection slot 13 is provided on the connection plate 12. During installation, the detachable lifting bracket 2 is inserted from top to bottom into the fixed bracket seat 1, and the connection plug block 24 passes through the connection panel 10 and is plugged into the connection slot 13. The shape of the above-mentioned connection plug block 24 is "T" shaped.

[0037] Through the above-mentioned structural setting, the lap joint 23 contacts the upper surface of the connection panel 10 to limit the downward movement of the detachable lifting bracket 2, and the front, back, left, and right movement of the detachable lifting bracket 2 is limited by the cooperation between the connecting plug block 24 and the connecting slot 13. Finally, it can be fixed by bolts, and double protection can be achieved.

[0038] Furthermore, a U-shaped opening 25 is provided on the support panel 20 to facilitate connection with the hydraulic lifter and passage of its steel strands.

[0039] Furthermore, in order to improve the strength, a reinforcing rib 26 is provided between the supporting vertical plate 22 and the supporting panel 20 .

[0040] Furthermore, the bolts include a first bolt 4, a second bolt 5 and a third bolt 6; the overlap portion 23 is connected to the connection panel 10 via the first bolt 4; the fixed vertical plate 11 is connected to the support vertical plate 22 via the second bolt 5. The overlap portion 23 is fixedly connected to the steel column 3 via the third bolt 6 (specifically, an expansion bolt may be used). The overlap portion 23 is connected not only to the connection panel 10, but also to the steel column 3.

[0041] Specifically, bolt connection plates 7 are fixed on the side surfaces of the fixed vertical plate 11 and the supporting vertical plate 22 to facilitate the disassembly and assembly of the second bolts 5 .

[0042] Only the preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments.

Claims

1. A lifting bracket for a large-span space steel structure, characterized in that: include: A fixed corbel seat (1), the fixed corbel seat (1) being fixed to the steel column (3) by welding; the fixed corbel seat (1) comprising a connection panel (10), a fixed vertical plate (11) and a connection plate (12); two fixed vertical plates (11) are provided, and a gap exists between the two fixed vertical plates (11); the connection panel (10) is fixedly connected to the upper surfaces of the two fixed vertical plates (11); the connection plate (12) is fixedly connected to the side surfaces of the two fixed vertical plates (11); A detachable lifting corbel (2) is plugged into a fixed corbel seat (1) and fixedly connected by bolts; the detachable lifting corbel (2) comprises a supporting panel (20), a connecting vertical plate (21) and a supporting vertical plate (22); two supporting vertical plates (22) are provided, and a gap exists between the two supporting vertical plates (22); the connecting vertical plate (21) is fixedly connected to the side surfaces of the two supporting vertical plates (22); the supporting panel (20) is fixedly connected to the upper surfaces of the two supporting vertical plates (22), one end of the supporting panel (20) is a lap joint (23), the lap joint (23) extends outside the connecting vertical plate (21) and contacts with the upper surface of the connecting panel (10); the connecting vertical plate (21) contacts with the connecting plate (12).

2. The lifting bracket of a large-span space steel structure according to claim 1, characterized in that: A connection plug block (24) is fixed on the connection vertical plate (21), and a corresponding connection slot (13) is provided on the connection plate (12); the connection plug block (24) passes through the connection panel (10) and is plugged into the connection slot (13).

3. The lifting bracket of a large-span space steel structure according to claim 2 is characterized in that: The connecting plug block (24) is in a "T" shape.

4. The lifting bracket of a large-span space steel structure according to claim 1 is characterized in that: The support panel (20) is provided with a U-shaped opening (25).

5. The lifting bracket of a large-span spatial steel structure according to claim 1 is characterized in that: A reinforcing rib (26) is provided between the supporting vertical plate (22) and the supporting panel (20).

6. The lifting bracket of a large-span space steel structure according to claim 1, characterized in that: The bolts include a first bolt (4), a second bolt (5) and a third bolt (6); the overlap portion (23) is connected to the connection panel (10) via the first bolt (4); the fixed vertical plate (11) is connected to the supporting vertical plate (22) via the second bolt (5); and the overlap portion (23) is fixedly connected to the steel column (3) via the third bolt (6).

7. The lifting bracket of a large-span space steel structure according to claim 6, characterized in that: Bolt connection plates (7) are fixed to the side surfaces of the fixed vertical plate (11) and the supporting vertical plate (22).

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