Steel anti-falling hoisting device

By designing a fall-prevention hoisting device suitable for steel of different lengths, and by adopting a hoisting frame, protective net frame and multiple fixing structures, the problem that existing devices cannot adapt to steel of different lengths has been solved, and a safe and reliable hoisting effect has been achieved.

CN223804717UActive Publication Date: 2026-01-16DONGGUAN JINFENG MOLD STEEL CO LTD
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Patent Information

Application Number
CN202423301768.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing hoisting equipment cannot accommodate steel of different lengths, resulting in insufficient hoisting safety, especially the risk of falling when hoisting steel of varying lengths.

Method used

A steel anti-fall hoisting device was designed, comprising a hoisting frame, hoisting rings, protective netting, and first and second anti-fall structures. It ensures the safe hoisting of steel of different lengths through different hoisting methods and fixing structures, including sealing the hoisting frame for short steel and using multiple anti-fall structures for limiting and fixing for long steel.

Benefits of technology

It enables the selection of appropriate hoisting methods based on the length of the steel, ensuring safety during the hoisting process and preventing the steel from falling. In particular, the sealed hoisting of short steel and the limiting and fixing of long steel improve the reliability and stability of the hoisting.

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Abstract

The utility model discloses a steel anti-falling hoisting device which comprises a hoisting frame and four hoisting rings arranged on the hoisting frame, protective net racks are arranged on the two sides of the hoisting frame, and first anti-falling structures for fixing short steel are arranged at the two ends of the hoisting frame respectively; the two ends of the hoisting frame are respectively provided with two lengthening frames which are in sliding fit with each other, a horizontally arranged lengthening frame is arranged between the two lengthening frames, the lengthening frames are also provided with protective net racks, each lengthening frame is provided with a locking structure, the lengthening frames are fixed on the hoisting frame through the locking structures, and the protective net racks are fixed on the hoisting frame through the locking structures. And a second anti-falling structure for fixing the long steel is arranged between the two lengthened frames. In the process of hoisting steel, different hoisting modes can be selected according to different lengths of the steel, so that the hoisting safety of the steel is ensured in the process of hoisting the steel with different lengths.
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Description

TECHNICAL FIELD

[0001] The utility model relates to superheavy steel hoisting technical field especially relates to a steel anti -fall hoisting device. BACKGROUND

[0002] With the development of industry, the safety requirement of superheavy steel hoisting is higher and higher. In the field of large bridge construction, heavy machinery manufacturing etc., the weight of steel hoisted is increasing, and higher requirements are put forward to the reliability and stability of the anti -fall device. In many industries such as construction, machinery manufacturing, port transportation, the hoisting operation of steel is very frequent. The traditional hoisting device mainly relies on the simple tool such as lifting hook, sling etc. However, when the steel is overweight, these traditional devices have great safety hidden danger

[0003] In the process of hoisting steel, the length of steel is different, the way of facing long steel and short steel is different, however, the existing hoisting anti -fall device can only hoist and prevent the falling of single length steel, when hoisting long steel or short steel, it will cause the falling of steel and affect the safety of hoisting. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a steel anti -fall hoisting device to solve the problems in the above background.

[0005] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0006] A steel anti -fall hoisting device, including hoisting frame and four lifting rings arranged on the hoisting frame, the both sides of the hoisting frame are equipped with protective net frame, the both ends of the hoisting frame are equipped with the first anti -fall structure for fixing short steel respectively, the both ends of the hoisting frame are equipped with two sliding fit lengthening frames, the lengthening frame is arranged horizontally between two lengthening frames, the lengthening frame is also equipped with protective net frame, every lengthening frame is equipped with locking structure, the lengthening frame is fixed on the hoisting frame through locking structure, two lengthening frames are equipped with the second anti -fall structure for fixing long steel.

[0007] Further technical scheme, every first anti -fall structure includes connecting frame, first fixed screw rod and first fixed plate, the connecting frame is connected horizontally at the both ends of hoisting frame, the first fixed screw rod is vertically screwed on the connecting frame, the first fixed plate is rotatably connected with the bottom of first fixed screw rod, the bottom of first fixed plate is equipped with horizontally arranged connecting seat.

[0008] Further technical scheme, the connecting seat is equipped with recess, the recess is equipped with the protective net plate that can be inserted.

[0009] Further technical solutions, the bottom of the connecting seat is provided with a fixing seat, the fixing seat and the connecting seat are connected through a plurality of bolts.

[0010] Further technical solutions, each second anti-falling structure comprises a placing rack, a second fixing screw and a second fixing plate, both ends of the placing rack are connected between the two lengthened frames, the second fixing screw is vertically screwed on the placing rack, and the second fixing plate is horizontally rotatably connected to the bottom of the second fixing screw.

[0011] Further technical solutions, the locking structure comprises a locking bolt, the lifting frame is provided with four plug-in holes, each lengthened frame is provided with connecting holes arranged at equal intervals, and the locking bolt passes through the corresponding plug-in hole and connecting hole to connect the lifting frame and the lengthened frame.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model discloses in the process of hoisting steel, can select different hoisting mode according to the length of steel, ensure the safety of steel hoisting in the process of hoisting steel of different lengths, when hoisting short steel, make the lifting frame be in a sealed space through two first anti-falling structures on the lifting frame, to prevent steel from falling, in the process of hoisting long steel, can position and fix long steel through two first anti-falling structures and two second anti-falling structures simultaneously, to prevent steel from falling.

[0014] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation mode part. DRAWINGS

[0015] Figure 1 The utility model discloses the schematic diagram of hoisting short steel.

[0016] Figure 2 The utility model discloses the schematic diagram of hoisting long steel.

[0017] Figure 3 The first three-dimensional structure schematic diagram of first anti-falling structure of the utility model.

[0018] Figure 4 The second three-dimensional structure schematic diagram of first anti-falling structure of the utility model.

[0019] Figure 5 The three-dimensional structure schematic diagram of second anti-falling structure of the utility model.

[0020] Reference numerals: 1. Lifting frame; 11. Lifting ring; 12. Protective net frame; 2. First fall protection structure; 21. Connecting frame; 22. First fixing screw; 23. First fixing plate; 24. Connecting seat; 25. Groove; 26. Protective net plate; 27. Fixing seat; 3. Extension frame; 31. Extension bracket; 32. Connecting hole; 4. Locking bolt; 5. Second fall protection structure; 51. Placement frame; 52. Second fixing screw; 53. Second fixing plate. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Please refer to Figures 1-5 As shown; this utility model provides a technical solution for a steel anti-fall hoisting device: a steel anti-fall hoisting device includes a hoisting frame 1 and four lifting rings 11 set on the hoisting frame 1. The crane lifts the hoisting frame 1 through the four lifting rings 11. Protective net frames 12 are provided on both sides of the hoisting frame 1. First anti-fall structures 2 for fixing short steel are provided at both ends of the hoisting frame 1. Two slidingly fitted extension frames 3 are provided at both ends of the hoisting frame 1. A horizontally set extension frame 31 is provided between the two extension frames 3. Protective net frames 12 are also provided on the extension frames 3. Each extension frame 3 is provided with a locking structure. The extension frame 3 is fixed to the hoisting frame 1 by the locking structure. A second anti-fall structure 5 for fixing long steel is provided between the two extension frames 3.

[0023] During the hoisting process of steel, different hoisting methods can be selected according to the length of the steel to ensure the safety of steel hoisting when hoisting steel of different lengths.

[0024] When hoisting short steel sections, refer to Figure 1 As shown, the two first anti-fall structures 2 on the hoisting frame 1 keep the hoisting frame 1 in a sealed space to prevent the steel from falling.

[0025] During the hoisting of long steel bars, refer to Figure 2 As shown, the position of the long steel bar can be limited and fixed simultaneously by two first anti-fall structures 2 and two second anti-fall structures 5 to prevent the steel bar from falling.

[0026] In this embodiment, each of the first fall arrest structures 2 includes a connecting frame 21, a first fixing screw 22 and a first fixing plate 23. The connecting frame 21 is horizontally connected to both ends of the hoisting frame 1. The first fixing screw 22 is vertically threaded onto the connecting frame 21. The first fixing plate 23 is rotatably connected to the bottom of the first fixing screw 22. The bottom of the first fixing plate 23 is provided with a horizontally arranged connecting seat 24.

[0027] In the embodiment, the connecting seat 24 is provided with a groove 25, and a guard net plate 26 is inserted in the groove 25.

[0028] When hoisting the short steel, as shown in Figure 4 , the first fixing screw 22 is rotated on the connecting frame 21 to move the position of the first fixing plate 23 downward, thereby moving the position of the connecting seat 24 downward, and fixing the position of the guard net plate 26 at the end of the hoisting frame 1. During hoisting, the guard net plate 26 is installed at both ends of the hoisting frame 1, so that the hoisting frame 1 is in a sealed space, and the falling of the short steel during hoisting can be prevented to avoid safety problems.

[0029] In the embodiment, the bottom of the connecting seat 24 is provided with a fixing seat 27, and the fixing seat 27 is connected with the connecting seat 24 through a plurality of bolts.

[0030] When hoisting the long steel, as shown in Figure 3 , the fixing seat 27 is connected to the bottom of the connecting seat 24 through a plurality of bolts, and then the first fixing screw 22 is rotated on the connecting frame 21 to move the position of the first fixing plate 23 downward, thereby moving the position of the connecting seat 24 downward, and abutting the position of the fixing seat 27 on the long steel. The subsequent second anti-falling structure 5 is used to limit and fix the position of the long steel, so as to prevent the long steel from falling from the hoisting frame 1 during hoisting and affecting safety.

[0031] In the embodiment, as shown in Figure 5 , each second anti-falling structure 5 includes a placing frame 51, a second fixing screw 52, and a second fixing plate 53. The two ends of the placing frame 51 are connected between the two lengthening frames 3. The second fixing screw 52 is vertically and threadedly connected to the placing frame 51. The second fixing plate 53 is horizontally and rotatably connected to the bottom of the second fixing screw 52.

[0032] After fixing the position of the long steel in the hoisting frame 1, the position of the lengthening frame 3 also needs to be fixed to prevent the long steel from shaking and shaking during hoisting and transportation. At this time, the second fixing screw 52 is rotated on the placing frame 51 to move the position of the second fixing plate 53 downward, thereby limiting and fixing the position of the long steel on the lengthening frame 3, so as to prevent the long steel from falling from the hoisting frame 1 during hoisting and affecting safety.

[0033] In the embodiment, the locking structure comprises locking bolts 4, the lifting frame 1 is provided with four plug-in holes, each of the elongated frames 3 is provided with connecting holes 32 arranged at equal intervals, and the locking bolts 4 are inserted into the corresponding plug-in holes and connecting holes 32 to connect the lifting frame 1 and the elongated frame 3.

[0034] In the process of hoisting the long steel material, the locking bolts 4 are loosened, the position of the corresponding elongated frame 3 is moved to the two ends of the lifting frame 1, then the locking bolts 4 are inserted into the plug-in holes and the corresponding connecting holes 32 to fix the position of the elongated frame 3 on the lifting frame 1, so as to lengthen the supporting area and position of the long steel material, and ensure that the position of the long steel material does not shake to cause a safety hazard in the process of hoisting.

[0035] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

[0036] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A steel material fall arrest hoisting device, characterized by: Including hoisting frame (1) and four lifting rings (11) arranged on the hoisting frame (1), both sides of the hoisting frame (1) are provided with protective net frame (12), both ends of the hoisting frame (1) are respectively provided with the first anti-falling structure (2) for fixing short steel; Both ends of the hoisting frame (1) are respectively provided with two sliding fit lengthening frames (3), two lengthening frames (3) are provided with horizontally arranged lengthening frames (31) between them, the lengthening frame (3) is also provided with protective net frame (12); Each lengthening frame (3) is provided with locking structure, and the lengthening frame (3) is fixed on the hoisting frame (1) through the locking structure; Two lengthening frames (3) are provided with the second anti-falling structure (5) for fixing long steel.

2. The steel material anti-falling hoisting device according to claim 1, characterized in that: Each first anti-falling structure (2) comprises a connecting frame (21), a first fixing screw (22) and a first fixing plate (23), the connecting frame (21) is horizontally connected at both ends of the hoisting frame (1), the first fixing screw (22) is vertically screwed on the connecting frame (21), the first fixing plate (23) is rotatably connected with the bottom of the first fixing screw (22), and the bottom of the first fixing plate (23) is provided with a horizontally arranged connecting seat (24).

3. The steel material anti-falling hoisting device according to claim 2, characterized in that: The connecting seat (24) is provided with a groove (25), and the groove (25) is provided with a plug-in protective net plate (26).

4. The steel material anti-falling hoisting device according to claim 2, characterized in that: The bottom of the connecting seat (24) is provided with a fixing seat (27), and the fixing seat (27) and the connecting seat (24) are connected by a plurality of bolts.

5. The steel material anti-falling hoisting device according to claim 1, characterized in that: Each second anti-falling structure (5) comprises a placing frame (51), a second fixing screw (52) and a second fixing plate (53), both ends of the placing frame (51) are connected between two lengthening frames (3), the second fixing screw (52) is vertically screwed on the placing frame (51), and the second fixing plate (53) is horizontally rotatably connected at the bottom of the second fixing screw (52).

6. The steel material anti-falling hoisting device according to claim 1, characterized in that: The locking structure comprises a locking bolt (4), the hoisting frame (1) is provided with four plug-in holes, each lengthening frame (3) is provided with equidistantly arranged connecting holes (32), and the locking bolt (4) passes through the corresponding plug-in hole and connecting hole (32) to connect the hoisting frame (1) and the lengthening frame (3).