Steel box girder hoisting device
By employing the technical means extracted from the patent specification, the technical problems existing in the hoisting process of steel box girders were solved. The design of the adjustable beam and balance bar solved the problems of wire rope entanglement and size adaptability in the prior art, thereby improving hoisting efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
In the existing steel box girder hoisting process, the wire rope is prone to tangling, difficult to adjust the length to keep it horizontal, and is not suitable for steel box girders of different sizes.
The structure employs an adjusting beam and a balance bar, which are connected to the lifting lugs via adjusting blocks. The position is adjusted using screws and locking screws, and the balance bar and lifting equipment ensure the steel box girder is level, reducing the use of wire ropes.
It ensures the steel box girder remains horizontal during hoisting, simplifies the installation process, is applicable to steel box girders of different sizes, and improves hoisting efficiency and safety.
Smart Images
Figure CN224105380U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bridge construction technical field, in particular, relate to a steel box beam hoisting device. BACKGROUND
[0002] When installing steel box beam, the steel box beam is generally hoisted and placed on the pier by hoisting. In the hoisting process, a plurality of lifting lugs are first arranged on the upper surface of the steel box beam, then the lifting lugs are connected by a plurality of steel wires, and finally the plurality of steel wires are connected to the lifting hook of the crane after converging.
[0003] The above hoisting has the following problems:
[0004] 1. In the process of installation and hoisting, the plurality of steel wires are prone to entanglement, which is inconvenient for installation and hoisting;
[0005] 2. The plurality of steel wires are difficult to adjust the length uniformly, so that the steel box beam is difficult to keep horizontal after being hoisted, which is inconvenient for subsequent installation;
[0006] 3. For steel box beams of different sizes, the steel wires need to be reselected and the length of the steel wires needs to be adjusted, which is inconvenient for quick installation of the lifting device for steel box beams of different sizes.
[0007] Therefore, a steel box beam hoisting device is needed to facilitate the adjustment of the steel wire and ensure the horizontal lifting. UTILITY MODEL CONTENTS
[0008] The utility model aims at providing a steel box beam hoisting device to solve the problems in the background art.
[0009] The utility model aims at providing a steel box beam hoisting device to solve the problems in the background art.
[0010] A steel box beam hoisting device, comprising an adjusting beam and a balance bar, the length direction of the adjusting beam is parallel to the width direction of the steel box beam, two groups of adjusting beams are respectively located on both sides of the top of the steel box beam, the adjusting beam is symmetrically provided with two groups of adjusting blocks, the middle part of the adjusting block is rotationally connected with the adjusting beam, the lower part of the adjusting block is connected with the lifting lug on the steel box beam, and the top parts of the two adjusting blocks are connected by a first steel wire;
[0011] The length direction of the balance bar is parallel to the length direction of the steel box beam, two first steel wires are hung on the balance bar, a second steel wire is arranged on the balance bar, the second steel wire is perpendicular to the first steel wire, and the middle part of the second steel wire is connected with the crane.
[0012] Further, the adjusting block is sleeved on the adjusting beam, a screw rod is arranged in the middle of the adjusting block, the adjusting beam is a hollow steel structure, a plurality of openings are arranged in the length direction of the adjusting beam, and the openings are matched with the screw rod.
[0013] Further, two ends of the balance bar are provided with discs, the discs are sleeved on the balance bar, through holes are arranged on the discs, and two ends of the second steel wire rope respectively pass through the through holes on the two discs.
[0014] Further, the disc is located outside the first steel wire rope, locking screws are arranged on the disc, and one end of the locking screw is in abutment with the balance bar.
[0015] Further, the middle part of the second steel wire rope is sleeved with a lifting tool, and the lifting tool is connected with the steel wire rope of a crane.
[0016] Further, a lifting hook is arranged below the adjusting block, and the lifting hook is hung on a lifting lug on the steel box girder.
[0017] The beneficial effects of the present application are as follows:
[0018] 1) The balance bar and the adjusting beam can ensure the horizontal of the steel box girder in the lifting process as much as possible, the horizontal of the steel box girder before landing is facilitated to be maintained, the subsequent adjustment of the horizontal of the steel box girder is reduced, and subsequent installation is facilitated.
[0019] 2) The use of the steel wire rope is reduced, installation and disassembly are facilitated, the device can be applied to steel box girders of different sizes, and the use range is improved. DRAWINGS
[0020] Fig. 1 It is a front view of the steel box girder hoisting device of the present application.
[0021] Fig. 2 It is a top view of the steel box girder hoisting device of the present application.
[0022] In the figure, 1 is a steel box girder, 2 is an adjusting beam, 21 is an adjusting block, 22 is a first steel wire rope, 23 is a screw rod, 24 is an opening, 25 is a lifting hook, 3 is a balance bar, 31 is a disc, 32 is a second steel wire rope, 33 is a lifting tool, and 34 is a locking screw. DETAILED DESCRIPTION
[0023] The technical solutions of the present application will be described in detail below with reference to the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] Refer to Figs. 1-2 The utility model provides a technical scheme:
[0025] As Figs. 1-2 The utility model discloses a steel box girder hoisting device, including the adjusting beam 2 and the balance bar 3, the length direction of adjusting beam 2 is parallel with the width direction of steel box girder 1, two groups adjusting beam 2 are located steel box girder 1's top both sides respectively, two groups adjusting block 21 are symmetrically arranged to adjusting beam 2, the middle part of adjusting block 21 is rotatably connected with adjusting beam 2, the below of adjusting block 21 is connected with the lifting lug on steel box girder 1, and the top of two adjusting blocks 21 is connected through first steel wire rope 22.
[0026] Wherein the below of adjusting block 21 is equipped with lifting hook 25, is directly hung with the lifting lug on steel box girder 1 through lifting hook 25, and when welding the lifting lug on steel box girder 1, the symmetric lifting lug in the width direction is guaranteed, and the connection with adjusting block 21 is convenient. Fig. 2 As
[0027] Further, adjusting block 21 is sleeved on the adjusting beam 2, a screw rod 23 is arranged in the middle part of the adjusting block 21, and the adjusting block 21 can rotate by the screw rod 23.
[0028] Meanwhile, the adjusting beam 2 is a hollow steel structure, a plurality of openings 24 are arranged in the length direction of the adjusting beam 2, and the openings 24 are matched with the screw rods 23.
[0029] Two adjusting blocks 21 of one adjusting beam 2 are connected by one first steel wire rope 22, and a plurality of first steel wire ropes 22 are hung on the balance bar 3, so that when the balance bar 3 is lifted by the crane, the balance bar 3 is located in the middle of the first steel wire rope 22 under the action of the gravity of the steel box girder 1, so that the steel box girder 1 is horizontal in the width direction.
[0030] The balance bar 3 is provided with a second steel wire rope 32, the second steel wire rope 32 is perpendicular to the first steel wire rope 22, a lifting device 33 is sleeved in the middle of the second steel wire rope 32, and the lifting device 33 is connected with the steel wire rope of the crane.
[0031] The balance bar 3 and the adjusting beam 2 can ensure the steel box girder 1 to be as horizontal as possible during hoisting, facilitate the steel box girder 1 to be kept horizontal before being positioned, reduce the subsequent adjustment of the steel box girder 1, and facilitate subsequent installation.
[0032] Meanwhile, the steel box girder 1 can be connected only by the first steel wire rope 22 and the second steel wire rope 32 with a fixed length, the use of the steel wire rope is reduced, installation and disassembly are facilitated, the steel box girder 1 can be applied to different sizes, and the use range is improved.
[0033] Further, the balance bar 3 is provided with a disc 31 at both ends, the disc 31 is sleeved on the balance bar 3, the disc 31 is provided with a through hole, and both ends of the second steel wire rope 32 pass through the through holes of the two discs 31 respectively.
[0034] Through the above technical scheme, the position of the first steel wire rope 22 can be limited by the disc 31, the first steel wire rope 22 is prevented from sliding along the length direction of the adjusting bar, the disc 31 is fixed with the balance bar 3 by the locking screw 34, and the first steel wire rope 22 is facilitated to be hoisted subsequently.
[0035] The above is only the preferred embodiment of the present application, and it should be understood that the present application is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be changed within the scope of the concept described herein by the above teaching or related technical or knowledge. The changes and variations made by the person skilled in the art do not deviate from the spirit and scope of the present application, and should be within the protection scope of the appended claims of the present application.
Claims
1. A steel box girder hoisting device, characterized by: The application relates to a steel box girder balance adjusting device, which comprises adjusting beams (2) and balance rods (3), the length direction of the adjusting beams (2) is parallel to the width direction of the steel box girder (1), two groups of the adjusting beams (2) are respectively arranged on the two sides of the top of the steel box girder (1), two groups of adjusting blocks (21) are symmetrically arranged on the adjusting beams (2), the middle part of the adjusting blocks (21) is rotationally connected with the adjusting beams (2), the lower part of the adjusting blocks (21) is connected with the lifting lugs on the steel box girder (1), and the top parts of the two adjusting blocks (21) are connected through first steel wires (22). The length direction of the balance rods (3) is parallel to the length direction of the steel box girder (1), the two first steel wires (22) are hung on the balance rods (3), second steel wires (32) are arranged on the balance rods (3), the second steel wires (32) are perpendicular to the first steel wires (22), and the middle parts of the second steel wires (32) are connected with a crane.
2. The steel box girder hoisting device according to claim 1, characterized in that: The adjusting blocks (21) are sleeved on the adjusting beams (2), screw rods (23) are arranged in the middle parts of the adjusting blocks (21), the adjusting beams (2) are hollow steel structures, a plurality of openings (24) are arranged in the length direction of the adjusting beams (2), and the openings (24) are matched with the screw rods (23).
3. The steel box girder hoisting device according to claim 1, characterized in that: The two ends of the balance rods (3) are provided with discs (31), the discs (31) are sleeved on the balance rods (3), the discs (31) are provided with through holes, and the two ends of the second steel wires (32) pass through the through holes in the two discs (31) respectively.
4. The steel box girder hoisting device according to claim 3, characterized in that: The discs (31) are located outside the first steel wires (22), the discs (31) are provided with locking screws (34), and one end of the locking screws (34) abuts against the balance rods (3).
5. The steel box girder hoisting device according to claim 1, characterized in that: The middle part of the second steel wire (32) is sleeved with a lifting tool (33), and the lifting tool (33) is connected with the steel wire of the crane.
6. The steel box girder hoisting device according to claim 1, characterized in that: The lower part of the adjusting block (21) is provided with a lifting hook (25), and the lifting hook (25) is hung on the lifting lug on the steel box girder (1).