A tool for vertical hoisting and rapid loading and unloading of steel bars

Abstract

The utility model discloses a tool for vertical hoisting and quick loading and unloading of reinforcing steel bars belongs to building construction technical field, including hoisting bucket and movable crowbar, the hoisting bucket one end opening, the other end has the movable cover plate that can rotate and open outward, still be fixed with the lifting ring on the hoisting bucket, movable crowbar includes crowbar, crowbar head and pulley, the crowbar head is curved and is arc, one end is fixed with the one end of crowbar, the pulley rotation is connected in the connecting place of crowbar and crowbar head, and the rotation axis is identical with the symmetry center line direction of crowbar head, and the pulley protrudes in crowbar and crowbar. The utility model discloses through movable crowbar and vertically hoists to the construction site after reinforcing steel bar is loaded into hoisting bucket, reduces operation intensity and cancels artificial vertical reinforcing steel bar, thereby increases construction efficiency, safety.

Description

Technical Field

[0001] This utility model belongs to the field of building construction technology, and relates to a steel bar hoisting tool, and more particularly to a tool for vertical hoisting and quick loading and unloading of steel bars. Background Technology

[0002] In nuclear power plant construction, tall, independent concrete structures are widely used as core load-bearing components, such as reactor building columns, containment support cylinders, and turbine building frame columns. To meet the stringent load-bearing requirements and seismic standards of nuclear power engineering, these structures are generally characterized by large cross-sectional dimensions and significant vertical height, often reaching several meters in size and exceeding tens of meters in height, with some key structures even surpassing one hundred meters. However, the reinforcement work on these structures presents challenges, including limited working space, difficulties in installing vertical reinforcement, and high labor intensity for construction workers, severely impacting construction safety and progress. Therefore, a reinforcement hoisting tool is urgently needed to address the inconvenience of installing vertical reinforcement in tall, independent concrete structures used in nuclear power plant buildings. Utility Model Content

[0003] This utility model provides a tooling for vertical hoisting and quick loading and unloading of reinforcing bars, in order to overcome the defects of the prior art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A tooling for vertical hoisting and quick loading and unloading of reinforcing bars includes a hoisting bucket and a movable pry bar; one end of the hoisting bucket is open, and the other end has a movable cover that can be rotated outward; a lifting ring is also fixed on the hoisting bucket; the movable pry bar includes a pry bar, a pry head, and a pulley; the pry head is curved in an arc shape, and one end is fixed to one end of the pry bar; the pulley is rotatably connected at the connection between the pry bar and the pry head, and the axis of rotation is consistent with the symmetrical center line of the pry head, and the pulley protrudes from the pry bar and the pry head.

[0005] To optimize the above technical solution, the specific measures also include: Furthermore, the outer end of the pry head is pointed.

[0006] Furthermore, the pulley is disposed inside the connection between the pry bar and the pry head.

[0007] Furthermore, the pry head consists of two symmetrically arranged pry blades with curved edges and a fixing plate fixed between the two pry blades.

[0008] Furthermore, the end of the pry bar has an opening groove, and the two pry blades of the pry head are fixed to the two side walls of the opening groove; and outside the opening groove, a mounting plate is fixed between the two pry blades; the pulley is set in the opening groove, one end of the pulley's shaft is rotatably connected to the bottom of the opening groove, and the other end is rotatably connected to the mounting plate.

[0009] Furthermore, the lifting rings are inverted U-shaped, and there are two of them, which are symmetrically fixed to one end of the opening of the lifting bucket.

[0010] Furthermore, one side of the movable cover is rotatably connected to the side wall of the hoisting bucket, and the other side is detachably connected to the side wall of the hoisting bucket via a locking assembly.

[0011] Furthermore, the locking assembly includes a fixing pin, a hook, a bracket, and a limiting pin; the fixing pin is fixed to the edge of the movable cover plate; one end of the hook is rotatably connected to the movable cover plate via the fixing pin, and can rotate relative to the movable cover plate with the fixing pin as the center; the bracket is fixed to the outside of the side wall of the lifting bucket, and the hook can be hung on the bracket by rotation; the side wall of the lifting bucket has a limiting hole, and the limiting pin can be wedged into the limiting hole; the limiting pin wedged into the limiting hole is located outside the hook hanging on the bracket.

[0012] Furthermore, a protruding connecting piece is fixed to the end of the side wall of the hoisting bucket, and the movable cover plate is rotatably connected to the protruding part of the connecting piece by a movable pin.

[0013] Furthermore, the hoisting bucket is composed of several rings and several connecting rods; the central axes of the several rings are located on the same straight line; the connecting rods are arranged along the layout direction of the several rings and fixed on the side of the several rings; the several connecting rods are evenly distributed on the side of the rings.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a tooling for vertical hoisting and quick loading and unloading of reinforcing bars. By using a hoisting bucket to hoist vertical reinforcing bars, the convenience of vertical hoisting is ensured, thereby increasing the safety of hoisting construction. Simultaneously, by using a movable pry bar in conjunction with the hoisting bucket, the reinforcing bars can be easily loaded into the bucket, providing a quick means of vertical hoisting. This tooling can quickly hoist the vertical reinforcing bars to be installed to the construction position and fix and tie them without leveling them, increasing construction safety. Compared with traditional construction methods, it reduces labor intensity, increases construction efficiency, and effectively reduces costs. This tooling has a simple structure, is easy to manufacture and install, is easy to disassemble and reassemble, and is reusable. It satisfies the versatility of component use and improves the safety and convenience of the reinforcing bar construction process. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the hoisting bucket of this utility model; Figure 2 This is a schematic diagram of the structure of the movable pry bar of this utility model; Figure 3 This is a schematic diagram of the structure of the movable pry bar of this utility model when it pries up the steel bar; Figure 4 This is a structural schematic diagram of the movable cover plate of the hoisting bucket of this utility model; The markings in the attached diagram are as follows: 1. Lifting bucket; 11. Movable cover plate; 111. Fixing pin; 112. Hook; 113. Bracket; 114. Limiting pin; 115. Connecting piece; 116. Movable pin; 12. Lifting ring; 13. Ring clamp; 14. Connecting rod; 2. Movable pry bar; 21. Pry bar; 211. Opening slot; 22. Pry head; 221. Pry plate; 222. Fixing plate; 223. Mounting plate; 23. Pulley; A. Reinforcing bar. Detailed Implementation

[0016] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0017] like Figure 1 and Figure 2 As shown, this utility model provides a tooling for vertical hoisting and quick loading and unloading of reinforcing bars, including a hoisting bucket 1 and a movable pry bar 2.

[0018] The lifting bucket 1 is long and thin, open at one end and with a movable cover 11 that can be rotated outward at the other end. A lifting ring 12 is also fixed on the lifting bucket 1 as a lifting connection point.

[0019] The movable pry bar 2 includes a pry bar 21, a pry head 22, and a pulley 23. The pry head 22 is curved in an arc shape, with one end fixed to one end of the pry bar 21. The pulley 23 is rotatably connected at the connection between the pry bar 21 and the pry head 22, with its axis of rotation aligned with the symmetrical center line of the pry head 22. The pulley 23 protrudes beyond the pry bar 21 and the pry head 22 to ensure that the prying bar can be placed above the pulley 23 and slide freely along the rotation direction of the pulley 23. Preferably, the pulley 23 protrudes approximately 5 mm beyond the pry bar 21 and the pry head 22.

[0020] The hoisting bucket 1 is used to hoist and transport reinforcing bars, the movable pry bar 2 is used to quickly load the reinforcing bars into the hoisting bucket 1, and the movable cover plate 11 is used to unload the reinforcing bars from the hoisting bucket 1. Specifically, the method for loading the reinforcing bars into the hoisting bucket 1 is as follows: Figure 3As shown, the horizontally placed steel bar A is pried up using the pry head 22 of the movable pry bar 2. Steel bar A slides along the arc edge of the pry head 22 onto the pulley 23 at the connection between the pry bar 21 and the pry head 22. Then, the hoisting bucket 1 is placed so that it is aligned with the pried steel bar A, with the open end of the hoisting bucket 1 facing the steel bar A. The steel bar A is then pulled into the hoisting bucket 1. Under the action of the pulley 23, rolling friction is achieved between the steel bar A and the movable pry bar 2, making it easier and faster to move the steel bar A and quickly place it inside the hoisting bucket 1, improving work efficiency. The method for unloading the steel bar from the hoisting bucket 1 is as follows: After placing the hoisting bucket 1, which is in a vertical position with the opening facing upwards, on the construction work surface, open the connection between the movable cover plate 11 at the bottom of the hoisting bucket 1 and the hoisting bucket 1, and slowly lift it away from the hoisting bucket 1, so that the steel bar is detached from the bucket, thus completing the vertical hoisting operation of the steel bar.

[0021] like Figure 2 and 3 As shown, in a preferred embodiment, the outer end of the pry head 22 is pointed, which can be quickly inserted into the gap between the reinforcing bars, making it easier to pry up the reinforcing bars.

[0022] like Figure 2 and 3 As shown, in a preferred embodiment, the pulley 23 is disposed inside the connection between the pry bar 21 and the pry head 22, and the pry bar 21 and the pry head 22 provide a certain degree of protection for the pulley 23. Of course, a pulley 23 can also be disposed on each of the two sides outside the connection between the pry bar 21 and the pry head 22.

[0023] Specifically, the pry head 22 consists of two symmetrically arranged pry blades 221 with curved edges and a fixing plate 222 fixed between the two pry blades 221.

[0024] The end of the pry bar 21 has an opening groove 211, and the two pry blades 221 of the pry head 22 are fixed to the two side walls of the opening groove 211. A mounting plate 223 is also fixed between the two pry blades 221 outside the opening groove 211. A pulley 23 is disposed inside the opening groove 211, with one end of its shaft rotatably connected to the bottom of the opening groove 211 and the other end rotatably connected to the mounting plate 223.

[0025] like Figure 1 As shown, in a specific embodiment, the lifting ring 12 is inverted U-shaped, and there are two of them, which are symmetrically fixed at one end of the opening of the lifting bucket 1 to facilitate the connection and lifting of the lifting equipment.

[0026] like Figure 1 and Figure 4 As shown, in a specific embodiment, one side of the movable cover plate 11 is rotatably connected to the side wall of the hoisting barrel 1, and the other side is detachably connected to the side wall of the hoisting barrel 1 through a locking assembly.

[0027] Specifically, the locking assembly includes a fixing pin 111, a hook 112, a bracket 113, and a limiting pin 114. The fixing pin 111 is fixed to the edge of the movable cover plate 11. One end of the hook 112 is rotatably connected to the movable cover plate 11 via the fixing pin 111, allowing it to rotate relative to the movable cover plate 11 with the fixing pin 111 as the center. The bracket 113 is fixed to the outside of the side wall of the lifting bucket 1, and the hook 112 can be rotated and hung on the bracket 113 to bear the weight of the inner reinforcing bars on the movable cover plate 11. The side wall of the lifting bucket 1 has a limiting hole, into which the limiting pin 114 can be wedged. The limiting pin 114, wedged into the limiting hole, is located outside the hook 112 hanging on the bracket 113. The limiting pin 114, through the limiting hole, restricts the displacement of the hook 112 during the lifting process, increasing safety during lifting.

[0028] A protruding connecting piece 115 is fixed to the end of the side wall of the hoisting bucket 1. The movable cover plate 11 is rotatably connected to the protruding part of the connecting piece 115 through a movable pin 116, so that the movable cover plate 11 can rotate along the movable pin 116.

[0029] like Figure 1 As shown, in a specific embodiment, the lifting bucket 1 is composed of several ring hoops 13 and several connecting rods 14. The central axes of the several ring hoops 13 are located on the same straight line. The connecting rods 14 are arranged along the layout direction of the several ring hoops 13 and fixed to the sides of the several ring hoops 13. The several connecting rods 14 are evenly distributed on the sides of the ring hoops 13. There are no fewer than three connecting rods 14 and no fewer than two ring hoops 13. When the lifting bucket 1 is long, the number of ring hoops 13 is increased and evenly distributed.

[0030] In use, the horizontally placed reinforcing bar is pried up using the pry head 22 of the movable pry bar 2. The reinforcing bar will slide along the curved edge of the pry head 22 onto the pulley 23 at the connection between the pry bar 21 and the pry head 22. Then, the open end of the hoisting bucket 1 is positioned facing the reinforcing bar, and it is aligned with the pried-up reinforcing bar. The reinforcing bar is then pulled into the hoisting bucket 1, with its end placed within the ring 13 at the bottom of the bucket 1. After the hoisting bucket 1 is filled with reinforcing bars in this manner, the movable cover plate 11 is closed, the hook 112 is rotated to engage the bracket 113, and the limit pin 114 is inserted. The reinforcing bar is then loaded into the hoisting bucket 1. The hoisting bucket 1 is then erected with its open end facing upwards. The lifting chain of the hoisting equipment is connected to the lifting ring 12, and the hoisting bucket 1 filled with reinforcing bars is lifted to the construction work area using the hoisting equipment. Then, after placing the hoisting bucket 1 as a whole on the construction work surface, open the connection between the movable cover plate 11 at the bottom of the hoisting bucket 1 and the hoisting bucket 1, and slowly lift it away from the hoisting bucket 1 so that the steel bar is detached from the bucket, thus completing the vertical hoisting operation of the steel bar.

[0031] This fixture offers the following advantages: It is easy and quick to install, eliminating the need for manual handling and rebar erection compared to traditional methods. It increases machinery utilization, and the use of multiple tools allows for streamlined construction, shortening the construction cycle. The lifting bucket reduces labor intensity and lowers safety risks when vertically hoisting the rebar.

[0032] It should be noted that the terms such as "upper", "lower", "left", "right", "front", and "back" used in this utility model are only for clarity of description and are not intended to limit the scope of implementation of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered as within the scope of implementation of this utility model.

[0033] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tooling for vertical hoisting and quick loading / unloading of reinforcing bars, characterized in that: Includes lifting buckets and movable pry bars; The hoisting bucket has an opening at one end and a movable cover that can be rotated outward at the other end; a lifting ring is also fixed on the hoisting bucket. The movable pry bar includes a pry bar, a pry head, and a pulley; the pry head is curved in an arc shape, with one end fixed to one end of the pry bar; the pulley is rotatably connected at the connection between the pry bar and the pry head, with the axis of rotation aligned with the symmetrical center line of the pry head, and the pulley protrudes beyond the pry bar and the pry head.

2. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 1, characterized in that: The outer end of the pry bar is pointed.

3. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 1, characterized in that: The pulley is located inside the connection between the pry bar and the pry head.

4. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 3, characterized in that: The pry head consists of two symmetrically arranged, curved-edge pry blades and a fixing plate fixed between the two pry blades.

5. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 4, characterized in that: The end of the pry bar has an opening groove, and the two pry blades of the pry head are fixed to the two side walls of the opening groove; and outside the opening groove, a mounting plate is fixed between the two pry blades; the pulley is set in the opening groove, and one end of the pulley's shaft is rotatably connected to the bottom of the opening groove, and the other end is rotatably connected to the mounting plate.

6. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 1, characterized in that: The lifting rings are inverted U-shaped, and there are two of them, which are symmetrically fixed to one end of the opening of the lifting bucket.

7. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 1, characterized in that: One side of the movable cover is rotatably connected to the side wall of the hoisting bucket, and the other side is detachably connected to the side wall of the hoisting bucket via a locking assembly.

8. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 7, characterized in that: The locking assembly includes a fixing pin, a hook, a bracket, and a limiting pin; The fixing pin is fixed to the edge of the movable cover plate; one end of the hook is rotatably connected to the movable cover plate through the fixing pin, and can rotate relative to the movable cover plate with the fixing pin as the center. The bracket is fixed to the outside of the side wall of the lifting bucket, and the hook can be hung on the bracket by rotation; The side wall of the hoisting bucket has a limiting hole, and the limiting pin can be wedged into the limiting hole; the limiting pin wedged into the limiting hole is located on the outside of the hook hanging on the bracket.

9. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 7, characterized in that: The end of the side wall of the hoisting bucket is fixed with a protruding connecting piece, and the movable cover plate is rotatably connected to the protruding part of the connecting piece by a movable pin.

10. The tooling for vertical hoisting and quick loading / unloading of reinforcing bars according to claim 1, characterized in that: The hoisting bucket is composed of several rings and several connecting rods; the central axes of the several rings are located on the same straight line; the connecting rods are arranged along the layout direction of the several rings and fixed to the sides of the several rings; the several connecting rods are evenly distributed on the sides of the rings.

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