Prefabricated part hoisting protection device for building construction
By setting a bidirectional adjusting screw and a limiting support frame in the hoisting frame, the problems of complicated construction and safety hazards in the hoisting of precast components are solved, thereby improving stability and safety, reducing material costs and increasing construction efficiency.
Patent Information
- Application Number
- CN202423030274.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In existing technologies, the hoisting of precast components is cumbersome and poses safety hazards, especially when using pre-embedded lifting rings, which is slow and unsafe.
The system employs bidirectional adjusting screws and movable adjusting blocks on the inner side of the hoisting frame, combined with the first and second limiting support frames to form a U-shaped structure. The adjusting screws and positioning bolts achieve stable positioning and support for the prefabricated components, reducing the number of lifting rings. The use of dual-point support improves stability and applicability.
It improves the stability and safety of precast component hoisting, reduces raw material costs, is applicable to the hoisting of precast components of different sizes, and improves construction efficiency.
Smart Images

Figure CN223561090U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building construction technical field especially relates to a prefabricated part hoisting protection device for building construction. BACKGROUND
[0002] The box culvert joint hoist is made of channel steel, is provided with two U-shaped fulcrums, and is paved with rubber and other materials on the surface to protect the box culvert joint, a cross beam is arranged on the upper part of the fulcrum, and a lifting ring is arranged, a bolt hole is arranged on the cross beam, the distance between the two fulcrums is adjusted according to the geometric size of the hoisted prefabricated component, and the box culvert joint hoisting construction is completed through the common force of the fulcrum, the cross beam and the lifting ring in actual construction, so that the construction progress is ensured, and the construction quality and safety are ensured.
[0003] The patent file with the publication number CN221739716U discloses a beam side hoisting protection device, which comprises a protection assembly, a pair of protection assemblies are symmetrically and intervaliy arranged, the protection assembly comprises an upper protection piece and a lower protection piece, the upper protection piece comprises a connecting piece and a connecting groove, the connecting piece covers the flange plate of the beam, so that the steel wire rope is prevented from directly contacting the prefabricated beam, and the contact area between the steel wire rope and the side of the prefabricated beam is increased.
[0004] The beam side hoisting protection device in the above patent file is hoisted through the embedded lifting ring during hoisting construction of the prefabricated component, the construction is complicated and slow, and there is a high safety hazard. Therefore, the utility model discloses a prefabricated component hoisting protection device, which improves the safety of hoisting construction and is beneficial to accelerating the hoisting construction speed of the prefabricated component. UTILITY MODEL CONTENTS
[0005] The utility model discloses a prefabricated component hoisting protection device for building construction, in order to realize above -mentioned purpose, the utility model has adopted the following technical scheme:
[0006] A prefabricated component hoisting protection device for building construction, including the hoisting frame, the inner side rotation connection of hoisting frame has two -way adjusting screw rod, the surface of two -way adjusting screw rod is connected with movable adjusting block, the surface of movable adjusting block is equipped with two first limit support frame, the lower surface of first limit support frame is fixedly connected with second limit support frame, and two first limit support frames are symmetrically distributed on the two sides of two -way adjusting screw rod.
[0007] The upper surface of the first limit support frame is provided with a positioning bolt hole, the inner wall of the positioning bolt hole is threadedly connected with a positioning bolt, and the upper surface of the movable adjusting block is provided with a plurality of positioning adjusting grooves.
[0008] In a preferred scheme, the position of the positioning adjusting groove corresponds to the positioning bolt, and the size of the positioning adjusting groove matches the positioning bolt, which is used to adjust and position the position of the first limiting support frame on the surface of the movable adjusting block.
[0009] In a preferred scheme, the second limiting support frame has an L-shaped structure, and the surface of the second limiting support frame is fixedly connected with a rubber anti-skid block, and the surface of the rubber anti-skid block is provided with a plurality of anti-skid grooves.
[0010] In a preferred scheme, the first limiting support frame and the second limiting support frame form a'' character-shaped structure, and the four second limiting support frames are symmetrically distributed below the hoisting frame.
[0011] In a preferred scheme, the left and right linkages of the bidirectional adjusting screw rod extend to the outside of the hoisting frame, and are fixedly connected with adjusting nuts.
[0012] In a preferred scheme, the surface of the first limiting support frame is provided with a rectangular limiting hole, the size of the rectangular limiting hole matches the movable adjusting block, and the first limiting support frame is slidably connected with the surface of the movable adjusting block through the rectangular limiting hole.
[0013] In a preferred scheme, the upper surface of the hoisting frame is fixedly provided with two hoisting rope fixing blocks, and the surface of the hoisting rope fixing block is provided with a hoisting rope fixing hole.
[0014] As can be seen from the above, the prefabricated part hoisting protection device for building construction has the following technical effects.
[0015] Firstly, the'' character-shaped structure formed by the first limiting support frame and the second limiting support frame can be used to limit and support the inside of the prefabricated box girder, and the first limiting support frame and the second limiting support frame can be used to protect and limit the two sides of the prefabricated box girder, thereby improving the stability of the prefabricated box girder during hoisting, preventing safety accidents caused by uneven stress during hoisting, and compared with the traditional hoisting construction, the double-point support is adopted for hoisting, the number of setting of the lifting rings during the prefabrication process is reduced, and the raw material cost is saved.
[0016] Secondly, the bidirectional adjusting screw rod can be used to adjust the distance between the two movable adjusting blocks, thereby being suitable for hoisting and limiting prefabricated parts of different lengths, improving the application range of the hoisting device, and the positioning bolt is arranged on the surface of the first limiting support frame, the first limiting support frame can be moved on the surface of the movable adjusting block, thereby adjusting the distance between the two first limiting support frames on the same side, and being suitable for hoisting and limiting prefabricated parts of different widths, and improving the adjustability. Attached Figure Description
[0017] Figure 1 This is a front view structural diagram of a prefabricated component hoisting protection device for building construction proposed in this utility model.
[0018] Figure 2 This is a rear view structural diagram of a prefabricated component hoisting protection device for building construction proposed in this utility model.
[0019] Figure 3 This is a top view of a prefabricated component hoisting protection device for building construction proposed in this utility model.
[0020] Figure 4 This is a schematic diagram of the bottom structure of a prefabricated component hoisting protection device for building construction proposed in this utility model.
[0021] In the attached diagram: 1. Lifting frame; 2. Two-way adjusting screw; 3. Movable adjusting block; 4. First limit support frame; 5. Second limit support frame; 6. Positioning bolt; 7. Positioning adjustment groove; 8. Rubber anti-slip block; 9. Anti-slip groove; 10. Rectangular limit hole; 11. Lifting rope fixing block; 12. Adjusting nut. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Reference Figure 1 and Figure 2 A precast component hoisting protection device for building construction includes a hoisting frame 1. Two hoisting rope fixing blocks 11 are fixedly installed on the upper surface of the hoisting frame 1. The surface of the hoisting rope fixing blocks 11 is provided with hoisting rope fixing holes.
[0024] The inner side of the hoisting frame 1 is rotatably connected to a bidirectional adjusting screw 2. The left and right linkages of the bidirectional adjusting screw 2 extend to the outside of the hoisting frame 1 and are fixedly connected to an adjusting nut 12.
[0025] It should be noted that the surface of the bidirectional adjusting screw 2 is threadedly connected to a movable adjusting block 3, and two first limiting support frames 4 are slidably arranged on the surface of the movable adjusting block 3. A second limiting support frame 5 is fixedly connected to the lower surface of the first limiting support frame 4, and the two first limiting support frames 4 are symmetrically distributed on both sides of the bidirectional adjusting screw 2.
[0026] It is worth noting that by setting the bidirectional adjusting screw 2 on the inner side of the hoisting frame 1, the spacing of the two movable adjusting blocks 3 can be adjusted by the bidirectional adjusting screw 2, so as to be suitable for hoisting and limiting different lengths of prefabricated parts, and the application range of the hoisting device is improved.
[0027] It should be noted that the surface of the first limiting support frame 4 is provided with a rectangular limiting hole 10, and the size of the rectangular limiting hole 10 matches the movable adjusting block 3. The first limiting support frame 4 is connected with the surface of the movable adjusting block 3 through the rectangular limiting hole 10.
[0028] It should be further noted that the first limiting support frame 4 and the second limiting support frame 5 form a H-shaped structure, and the four second limiting support frames 5 are symmetrically distributed below the hoisting frame 1.
[0029] Referring to Figure 1 and Figure 3 In a preferred embodiment, the second limiting support frame 5 is in an L-shaped structure, and the surface of the second limiting support frame 5 is fixedly connected with a rubber anti-skid block 8, and the surface of the rubber anti-skid block 8 is provided with a plurality of anti-skid grooves 9.
[0030] It is worth noting that by setting the first limiting support frame 4 and the second limiting support frame 5 on the surface of the hoisting frame 1, the interior of the prefabricated box girder can be limited and supported by the H-shaped structure formed by the first limiting support frame 4 and the second limiting support frame 5, and the two sides of the prefabricated box girder can be protected and limited by the first limiting support frame 4 and the second limiting support frame 5, thereby improving the stability of the prefabricated box girder during hoisting to prevent safety accidents caused by uneven stress during hoisting. Compared with the traditional hoisting construction, the double-point support is adopted for hoisting, which reduces the number of setting of the lifting ring during the prefabrication process, and is beneficial to saving the cost of raw materials.
[0031] It should be further noted that the upper surface of the first limiting support frame 4 is provided with a positioning bolt hole, the inner wall of the positioning bolt hole is threadedly connected with a positioning bolt 6, and the upper surface of the movable adjusting block 3 is provided with a plurality of positioning adjusting grooves 7, which are evenly distributed on the surface of the movable adjusting block 3 in a straight line array.
[0032] Referring to Figure 1 and Figure 4 In a preferred embodiment, the position of the positioning adjusting groove 7 corresponds to the position of the positioning bolt 6, and the size of the positioning adjusting groove 7 matches the size of the positioning bolt 6. The positioning bolt 6 is used for adjusting and positioning the position of the first limiting support frame 4 on the surface of the movable adjusting block 3.
[0033] It is worth mentioning that by setting the positioning bolt 6 on the surface of the first limiting support frame 4, the first limiting support frame 4 can be moved on the surface of the movable adjusting block 3, thereby adjusting the spacing of the two first limiting support frames 4 on the same side, and the positioning bolt 6 is inserted into the positioning adjusting groove 7 on the surface of the movable adjusting block 3, thereby limiting the position of the first limiting support frame 4, so as to be suitable for hoisting and limiting the prefabricated parts of different widths, and improving the adjustability.
[0034] Working principle: in use, first, the two hoisting rope fixing blocks 11 on the top of the hoisting frame 1 are fixedly connected with the hoisting ropes of the hoisting machine, then the second limiting support frames 5 on both sides are placed into the inside of the prefabricated parts, then the two-way adjusting screw rod 2 is rotated by rotating the adjusting nut 12, thereby driving the two movable adjusting blocks 3 to move in the hoisting frame 1, so that the second limiting support frames 5 are tightly abutted against the inner wall of the prefabricated parts, then the first limiting support frame 4 is tightly fixed on the surface of the movable adjusting block 3 by the positioning bolt 6, thereby reinforcing and protecting the prefabricated parts, and the stability of the prefabricated parts in the hoisting process is improved, thereby improving the safety protection effect of the hoisting construction site.
[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.
Claims
1. A device for protecting a precast element during lifting, comprising a lifting frame (1), characterised in that, The inner side of the hoisting frame (1) is rotationally connected with a bidirectional adjusting screw (2), the surface of the bidirectional adjusting screw (2) is threadedly connected with a movable adjusting block (3), the surface of the movable adjusting block (3) is slidably provided with two first limiting support frames (4), the lower surface of the first limiting support frame (4) is fixedly connected with a second limiting support frame (5), and the two first limiting support frames (4) are symmetrically distributed on the two sides of the bidirectional adjusting screw (2); The upper surface of the first limiting support frame (4) is provided with a positioning bolt hole, the inner wall of the positioning bolt hole is threadedly connected with a positioning bolt (6), and the upper surface of the movable adjusting block (3) is provided with a plurality of positioning adjusting grooves (7) which are evenly distributed in a straight line array on the surface of the movable adjusting block (3).
2. A precast construction element hoisting protection device according to claim 1, characterized in that The position of the positioning adjusting groove (7) corresponds to the position of the positioning bolt (6), and the size of the positioning adjusting groove (7) matches the size of the positioning bolt (6), and the positioning bolt (6) is used for adjusting and positioning the position of the first limiting support frame (4) on the surface of the movable adjusting block (3).
3. A precast construction element lifting protection device according to claim 1, characterized in that The second limiting support frame (5) is in an L-shaped structure, and the surface of the second limiting support frame (5) is fixedly connected with a rubber anti-skid block (8), and the surface of the rubber anti-skid block (8) is provided with a plurality of anti-skid grooves (9).
4. The precast construction element hoisting protection device according to claim 1, characterized in that The first limiting support frame (4) and the second limiting support frame (5) form a character-shaped structure, and the four second limiting support frames (5) are symmetrically distributed below the hoisting frame (1).
5. The precast construction element hoisting protection device according to claim 1, characterized in that The left and right linkages of the bidirectional adjusting screw (2) extend to the outside of the hoisting frame (1), and are fixedly connected with an adjusting nut (12).
6. The precast construction element hoisting protection device according to claim 1, characterized in that The surface of the first limiting support frame (4) is provided with a rectangular limiting hole (10), the size of the rectangular limiting hole (10) matches the size of the movable adjusting block (3), and the surface of the first limiting support frame (4) is slidably connected with the surface of the movable adjusting block (3) through the rectangular limiting hole (10).
7. The precast construction element hoisting protection device according to claim 1, characterized in that The upper surface of the hoisting frame (1) is fixedly provided with two hoisting rope fixing blocks (11), and the surface of the hoisting rope fixing block (11) is provided with a hoisting rope fixing hole.
Citation Information
Patent Citations
Beam side edge hoisting protection device
CN221739716U