Precast beam steel bar hanging bracket

By designing a prefabricated beam steel bar hanger, using a triangular hanger structure and a combined chain system, the deformation of the steel bar skeleton caused by uneven lifting points of the traditional hanger is solved, and the stability and safety improvement during the lifting process is achieved.

CN222877440UActive Publication Date: 2025-05-16JIANGYIN JIANXIN METAL CO LTD
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Patent Information

Application Number
CN202421594441.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-05-16
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

During the lifting of prefabricated beam steel bars, the hanging points of the traditional steel bar hanger are unevenly arranged, resulting in large deformation of the steel bar skeleton, affecting the construction speed and safety.

Method used

A prefabricated beam reinforced bar hanger is designed, and a group of connecting arms are arranged between the main hanging beam and the two cross beams to fix it into a triangle hanger, and an outer sleeve and an adjustment rod are arranged between the two adjacent connecting arms. Combining a plurality of first iron chains with fixed heights and a plurality of second iron chains with adjustable heights is formed to form a combined lifting to adapt to prefabricated beam reinforced bars in different states.

Benefits of technology

Through multiple lifting points evenly distributed, the lifting tension of the steel bar frame is evenly distributed, so as to reduce the single-point stress, avoid deformation of the steel bar frame due to local stress, and improve the stability and safety of the lifting.

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Abstract

The utility model discloses a precast beam steel bar hanging bracket which comprises a main hanging beam and two parallel cross beams located below the main hanging beam. A plurality of groups of connecting arms are arranged between the main hanging beam and the two cross beams and are fixedly connected to form the triangular hanging bracket, an outer sleeve is arranged between two adjacent groups of connecting arms, the bottom of the outer sleeve is sleeved with an adjusting rod, and pins at the tops of two sides of the adjusting rod are matched with insertion holes formed in the surface of the outer sleeve at equal intervals; a second iron chain is arranged below the bottom end of each connecting arm, a first iron chain is arranged at the bottom of each adjusting rod, an anti-disengaging lifting hook is arranged at the bottom of each iron chain, the multiple first iron chains with the fixed height and the multiple second iron chains with the adjustable height are arranged for combined lifting, the prefabricated beam reinforcing steel bars in different states are adapted, the lifting points of the multiple lifting frames are evenly distributed, and the lifting efficiency is improved. Hoisting pulling force of the steel reinforcement framework is evenly distributed to all the supporting frameworks, single-point stress of the steel reinforcement framework is reduced, and deformation of the steel reinforcement framework due to the fact that the single-point pulling force is too large is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of hangers, in particular to a prefabricated beam reinforcement hanger. Background Art

[0002] With the development of science and technology, the construction of precast beams in bridge projects is also developing towards mechanization, efficiency and streamlining. The various processes of precast beam construction are also moving towards convenience in the process of continuous optimization. However, in the hoisting operation after the overall binding of the precast beam reinforcement cage is completed, the construction is often affected by the stability, safety and operability of the reinforcement hanger. Therefore, how to hoist the precast beam reinforcement efficiently and safely has become a problem that needs to be solved in bridge engineering.

[0003] During the use of traditional steel bar hangers, there is still an uneven arrangement of hanging points, which causes large deformation of the steel bar skeleton during the lifting process. After the lifting is in place, the steel bar skeleton often needs to be adjusted, which affects the construction speed and is time-consuming and labor-intensive. Utility Model Content

[0004] The utility model aims to provide a prefabricated beam reinforcement hanger to solve the problem that the reinforcement skeleton is greatly deformed during the lifting process due to uneven arrangement of lifting points.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated beam steel bar hanger, comprising a main hanger beam and two parallel cross beams located below the main hanger beam, the lower surface of the main hanger beam and the upper surfaces of the two cross beams are fixedly connected to form a triangular hanger through multiple groups of connecting components, an outer sleeve is provided at the center between two adjacent groups of the connecting components, the top of the outer sleeve is fixedly connected to the lower surface of the main hanger beam, an adjusting rod is sleeved on the bottom of the outer sleeve, and holes are equidistantly provided on the surface of the outer sleeve, pins matching the holes are inserted at the tops of both sides of the adjusting rod, a first iron chain is provided at the bottom of the adjusting rod, and an anti-drop hook is provided at the bottom of the first iron chain.

[0006] Wherein, each group of the connecting components includes two inclined connecting arms, the intersection of the top ends of the two connecting arms is fixedly connected to the main suspension beam, and the bottom ends of the two connecting arms are respectively fixedly connected to the two cross beams.

[0007] Wherein, a plurality of long vertical beams are arranged between the side surfaces of the two cross beams, and the long vertical beams are located below the connecting arms.

[0008] Wherein, short vertical beams are fixedly connected to both sides of the bottom end of each outer sleeve, and the ends of the two short vertical beams are fixedly connected to the side surfaces of the cross beam.

[0009] Wherein, evenly distributed lifting rings are fixedly installed on the top of the main lifting beam.

[0010] Wherein, a second iron chain is provided below the bottom end of each connecting arm, the top of the second iron chain is connected to the lower surface of the beam through a fixing ring, and an anti-drop hook is provided at the bottom of the second iron chain.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model forms a triangular hanger by arranging multiple groups of connecting arms between a main hanging beam and two cross beams to fix them together, and an outer sleeve is arranged between two adjacent groups of connecting arms, and an adjusting rod is sleeved on the bottom of the outer sleeve. Through the cooperation of pins on the top of both sides of the adjusting rod and equidistantly arranged jacks on the surface of the outer sleeve, a second iron chain is arranged below the bottom end of each connecting arm and a first iron chain is arranged at the bottom of the adjusting rod, and anti-drop hooks are arranged at the bottom of the iron chains. Multiple first iron chains with fixed heights and multiple second iron chains with adjustable heights are arranged for combined lifting, which can adapt to prefabricated beam steel bars in different states, and multiple hanger lifting points are evenly distributed, so that the lifting tension of the steel skeleton is evenly distributed to various supporting skeletons, thereby reducing the stress on the single point of the steel skeleton and avoiding deformation of the steel skeleton due to excessive tension on the single point. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural diagram of a prefabricated beam reinforcement hanger of the utility model;

[0014] Figure 2 This is a side view structural diagram of a prefabricated beam reinforcement hanger of the utility model;

[0015] Figure 3 The utility model is a schematic diagram of the axonometric structure of a prefabricated beam reinforcement hanger.

[0016] In the figure: 10, main lifting beam; 11, lifting ring; 20, cross beam; 30, connecting arm; 31, long vertical beam; 40, outer sleeve; 41, short vertical beam; 42, adjusting rod; 43, pin; 44, socket; 50, first iron chain; 51, second iron chain; 52, anti-drop hook. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] See also Figure 1-3The utility model provides a technical solution: a prefabricated beam steel bar hanger, comprising a main hanging beam 10 and two parallel cross beams 20 located below the main hanging beam 10, the lower surface of the main hanging beam 10 and the upper surfaces of the two cross beams 20 are fixedly connected to form a triangular hanger through multiple groups of connecting components, an outer sleeve 40 is provided at the center between two adjacent groups of connecting components, the top of the outer sleeve 40 is fixedly connected to the lower surface of the main hanging beam 10, an adjusting rod 42 is sleeved at the bottom of the outer sleeve 40, and plug holes 44 are equidistantly provided on the surface of the outer sleeve 40, and the tops of both sides of the adjusting rod 42 are plugged with plug holes A pin 43 cooperates with the hole 44, and a first iron chain 50 is provided at the bottom of the adjusting rod 42, and an anti-drop hook 52 is provided at the bottom of the first iron chain 50. When it is necessary to adjust the height of the first iron chain 50 between the two beams 20, remove the pin 43 at the top of the adjusting rod 42, pull the adjusting rod 42 to move inside the outer sleeve 40, and after adjusting to the appropriate height, the pin 43 is passed through the top of the adjusting rod 42 and the sockets 44 on both sides of the outer sleeve 40 and fixed. Multiple sets of connecting arms 30 are installed to ensure the strength of the entire hanger, improve the load-bearing capacity, and ensure the stability of the hanger during use.

[0019] Among them, each group of connecting components includes two inclined connecting arms 30, the intersection of the top ends of the two connecting arms 30 is fixedly connected to the main suspension beam 10, and the bottom ends of the two connecting arms 30 are respectively fixedly connected to the two cross beams 20. The two connecting arms 30 are symmetrically arranged with the two cross beams 20 and the main suspension beam 10 above to form an isosceles triangle hanger. By utilizing the stability of the triangle, multiple groups of connecting arms 30 are arranged to make the overall structure stable and strong.

[0020] Among them, a plurality of long vertical beams 31 are provided between the side surfaces of the two horizontal beams 20. The long vertical beams 31 are located below the connecting arms 30. A triangular skeleton is formed between the two connecting arms 30 and the long vertical beams 31. The long vertical beams 31 are provided to strengthen the stability of the overall structure.

[0021] Among them, short vertical beams 41 are fixedly connected to both sides of the bottom end of each outer sleeve 40, and the ends of the two short vertical beams 41 are fixedly connected to the side surfaces of the cross beam 20, so that the outer sleeve 40 is firmly connected to the cross beams 20 on both sides.

[0022] Among them, evenly distributed lifting rings 11 are fixedly installed on the top of the main lifting beam 10 to provide multiple points of force when the crane is lifting and ensure stability during the lifting process.

[0023] Among them, a second iron chain 51 is provided below the bottom end of each connecting arm 30, and the top of the second iron chain 51 is connected to the lower surface of the crossbeam 20 through a fixing ring, and an anti-slip hook 52 is provided at the bottom of the second iron chain 51, which can avoid the separation of the anti-slip hook 52 and the steel bar, thereby ensuring the safety of lifting. By connecting the anti-slip hook 52 to the steel bar at the top of the steel frame, the lifting device can be connected to the steel frame at multiple points, with numerous lifting points and dispersed weight, which effectively avoids the deformation of the steel frame due to local force.

[0024] Working principle: When in use, a plurality of connecting arms 30 are arranged between the main suspension beam 10 and the two cross beams 20 to be fixedly connected into a triangular hanger, an outer sleeve 40 is arranged between two adjacent connecting arms 30, and an adjusting rod 42 is sleeved on the bottom of the outer sleeve 40. The pins 43 on the top of both sides of the adjusting rod 42 cooperate with the sockets 44 equidistantly opened on the surface of the outer sleeve 40. A second iron chain 51 is arranged below the bottom end of each connecting arm 30 and a first iron chain 50 is arranged at the bottom of the adjusting rod 42. Anti-slip hooks 52 are arranged at the bottom of the iron chains. A plurality of first iron chains 50 with fixed heights and a plurality of second iron chains 51 with adjustable heights are arranged for combined lifting to adapt to prefabricated beam steel bars in different states, and a plurality of hanger lifting points are evenly distributed, so that the lifting tension of the steel skeleton is evenly distributed to the supporting skeletons at various locations, reducing the stress on the single point of the steel skeleton, and avoiding deformation of the steel skeleton due to excessive tension on the single point.

[0025] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. A prefabricated beam reinforcement hanger, comprising a main hanger beam (10) and two parallel cross beams (20) located below the main hanger beam (10), characterized in that: The lower surface of the main suspension beam (10) and the upper surfaces of the two cross beams (20) are fixedly connected to form a triangular hanger through multiple groups of connecting components. An outer sleeve (40) is provided at the center between two adjacent groups of connecting components. The top of the outer sleeve (40) is fixedly connected to the lower surface of the main suspension beam (10). The bottom of the outer sleeve (40) is sleeved with an adjusting rod (42). The surface of the outer sleeve (40) is equidistantly provided with plug holes (44). The tops of both sides of the adjusting rod (42) are plugged with pins (43) that cooperate with the plug holes (44). The bottom of the adjusting rod (42) is provided with a first iron chain (50), and the bottom of the first iron chain (50) is provided with an anti-drop hook (52).

2. The prefabricated beam reinforcement hanger according to claim 1, characterized in that: Each group of the connecting components comprises two inclined connecting arms (30), the top intersection of the two connecting arms (30) is fixedly connected to the main suspension beam (10), and the bottom ends of the two connecting arms (30) are respectively fixedly connected to the two cross beams (20).

3. The prefabricated beam reinforcement hanger according to claim 2, characterized in that: A plurality of long vertical beams (31) are provided between the side surfaces of the two cross beams (20), and the long vertical beams (31) are located below the connecting arms (30).

4. The prefabricated beam reinforcement hanger according to claim 1, characterized in that: Short vertical beams (41) are fixedly connected to both sides of the bottom end of each outer sleeve (40), and the ends of the two short vertical beams (41) are fixedly connected to the side surfaces of the cross beam (20).

5. The prefabricated beam reinforcement hanger according to claim 1, characterized in that: Evenly distributed lifting rings (11) are fixedly mounted on the top of the main lifting beam (10).

6. The prefabricated beam reinforcement hanger according to claim 2, characterized in that: A second iron chain (51) is provided below the bottom end of each connecting arm (30); the top of the second iron chain (51) is connected to the lower surface of the crossbeam (20) via a fixing ring; and an anti-drop hook (52) is provided at the bottom of the second iron chain (51).