Lifting tool for accropode

Abstract

The utility model belongs to the field of hydraulic engineering, and particularly relates to an accropode hoisting tool which comprises two parallel hoisting rods, and two parallel check blocks are symmetrically arranged in the middles of the hoisting rods. The two sides of the two suspenders are connected together through connecting rods, and the connecting rods are perpendicular to the suspenders. Lifting rings are symmetrically arranged at two ends of the lifting rod, lifting ropes are fixed on the lifting rings, and hooks are fixed at ends of the lifting ropes. The accropode hoisting tool is simple in structure and easy to operate, complex binding or fixing work is not needed, hoisting and dismounting can be rapidly achieved, the rigid hoisting design is high in bearing capacity, the hoisting process is stable, and safety is high.

Description

Technical Field

[0001] This utility model belongs to the field of water conservancy engineering, and specifically relates to a hoisting tool for a twisted block. Background Technology

[0002] Twisted kingpin blocks are prefabricated blocks used in breakwater construction in hydraulic engineering. They are a type of facing block, typically placed as the outermost layer of the breakwater to reduce wave impact and protect it. They are widely used in both new and repaired breakwaters and are prevalent in hydraulic engineering. Twisted kingpin blocks require hoisting and placement, but due to their unique shape, there are no specialized hoisting tools. On-site, they are mostly hoisted by directly binding them with ropes, which is prone to tilting, and the binding and disassembly processes are complex. Currently, there are some hoisting tools specifically designed for twisted kingpin blocks, but most have complex structures, complicated pre-hoisting fixing procedures, and equally complicated post-hoisting disassembly, making them inconvenient for on-site application and affecting hoisting and placement efficiency. Summary of the Invention

[0003] The problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a lifting tool for a twisted block.

[0004] This invention is achieved through the following technical solution:

[0005] A lifting tool for a twisted king block includes two parallel lifting rods. Two parallel stops are symmetrically arranged in the middle of the lifting rods, and the lifting rods pass vertically through the stops. The distance between the two stops on the same lifting rod is equal to the thickness of the middle rod of the twisted king block. The two lifting rods are connected together on both sides by connecting rods, which are perpendicular to the lifting rods. Lifting rings are symmetrically arranged at both ends of the lifting rods, and lifting ropes are fixed on the lifting rings. Hooks are fixed to the ends of the lifting ropes.

[0006] Preferably, the connecting rod is located between the two lifting rods, and a short connecting cylinder is welded perpendicularly to the lifting rod in the direction of the connecting rod. The short connecting cylinder is provided with bolt holes A. The two ends of the connecting rod are inserted into the two short connecting cylinders. The two ends of the connecting rod are provided with bolt holes B corresponding to bolt holes A. The connecting rod is fixed together with the short connecting cylinder by bolts and nuts passing through bolt holes A and bolt holes B.

[0007] Preferably, both ends of the connecting rod are provided with round holes. One side of the rod is welded with a pin, which passes through the round hole at one end of the connecting rod to rotatably connect the connecting rod and the pin. The other side of the rod is provided with a sliding hole, and a guide cylinder is welded into the sliding hole. The height of the guide cylinder is lower than the upper surface of the rod. A spring is welded to the bottom of the guide cylinder, and a sliding cylinder is welded to the upper end of the spring. The outer diameter of the sliding cylinder is equal to the inner diameter of the guide cylinder. When the spring is naturally extended, the sliding cylinder can pass upward through the round hole of the connecting rod, and when the sliding cylinder is pressed downward, it can retract into the sliding hole.

[0008] Preferably, the upper part of the sliding cylinder is provided with an external thread, and the upper part of the sliding cylinder is connected to a nut.

[0009] Preferably, the connecting rod is a rectangular rod.

[0010] Preferably, the stop is welded to the boom.

[0011] Preferably, the boom is a stainless steel boom.

[0012] Preferably, the outer surface of the rod between the stops is covered with a rubber layer.

[0013] The lifting tool for the twisted block of the present invention has a simple structure and is easy to operate. It does not require complicated binding or fixing work, and can quickly achieve lifting and dismantling. Moreover, the rigid lifting design has a strong load-bearing capacity, the lifting process is stable, and the safety is high. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure when the first connection method is used in this embodiment;

[0015] Figure 2 for Figure 1 Another structural diagram;

[0016] Figure 3 This is a schematic diagram of the structure when the first connection method is used in this embodiment;

[0017] Figure 4 for Figure 3 Another structural diagram;

[0018] Figure 5 This is a schematic diagram of the overall structure of the first connection method in this embodiment;

[0019] Figure 6 This is a schematic diagram of the split structure of the first connection method in this embodiment;

[0020] Figure 7 This is a schematic diagram of the overall structure of the second connection method in this embodiment;

[0021] Figure 8 This is a schematic diagram of the split structure of the second connection method in this embodiment;

[0022] Figure 9 This is a schematic diagram of the disassembled structure of the sliding hole in the second connection method of this embodiment.

[0023] In the diagram, 1 is the upper rod, 2 is the middle rod, 3 is the lower rod, 4 is the lifting rod, 5 is the stop block, 6 is the connecting rod, 7 is the lifting ring, 8 is the lifting rope, 9 is the hook, 10 is the short connecting tube, 11 is the bolt hole A, 12 is the bolt hole B, 13 is the round hole, 14 is the pin, 15 is the sliding hole, 16 is the guide tube, 17 is the spring, 18 is the sliding tube, and 19 is the nut. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0025] A conventional dome-shaped lifting block includes an upper member 1, a middle member 2, and a lower member 3, where the upper member 1 and the lower member 3 are parallel, and the middle member 2 is orthogonal to the upper member 1 and the lower member 3. In this embodiment, the dome-shaped lifting block hoisting tool includes two parallel lifting rods 4, which are rigid lifting components, preferably stainless steel rods. Two parallel stops 5 are symmetrically arranged in the middle of each lifting rod 4, with the lifting rod 4 passing perpendicularly through the stops 5. The stops 5 are welded to the lifting rod 4, and the distance between the two stops 5 on the same lifting rod 4 is equal to the thickness of the middle member 2 of the dome-shaped lifting block. That is, the two sides of the two stops 5 facing the middle member 2 can be tightly pressed against the two sides of the middle member 2. The stops 5 prevent the lifting rod 4 from rotating during hoisting. Both sides of the two lifting rods 4 are connected together by connecting rods 6, which are perpendicular to the lifting rods 4. The connecting rods 6 connect the two lifting rods 4 into a whole, preventing relative movement and separation between the two lifting rods 4 and ensuring the stability of the entire hoisting tool. Lifting rings 7 are symmetrically arranged at both ends of the lifting rod 4. Lifting ropes 8 are fixed on the lifting rings 7. The lifting ropes 8 on the four lifting rings 7 are of equal length. Hooks 9 are fixed to the ends of the lifting ropes 8. The hooks 9 are used to connect with the lifting rings of the lifting equipment. In order to prevent the lifting rod 4 from damaging the torsion block during lifting, it is preferable that the outer surface of the lifting rod 4 between the two stops 5 on the same lifting rod 4 is covered with a rubber layer.

[0026] There are various ways to connect the connecting rod 6 and the suspension rod 4, and no special restrictions are imposed here. This embodiment preferably uses two connection methods as follows:

[0027] The first connection method: Preferably, the connecting rod 6 is located between the two hangers 4. A short connecting cylinder 10 is welded perpendicularly to the hanger 4 in the direction of the connecting rod 6. The short connecting cylinder 10 is provided with bolt holes A11. The length of the connecting rod 6 is less than the distance between the two hangers 4 and greater than the distance between the two short connecting cylinders 10. Bolt holes B12 corresponding to bolt holes A11 are provided at both ends of the connecting rod 6. Both ends of the connecting rod 6 are inserted into the two short connecting cylinders 10. The connecting rod 6 is fixedly connected to the short connecting cylinders 10 by bolts and nuts passing through bolt holes A11 and bolt holes B12.

[0028] The second connection method: Preferably, the connecting rod 6 is a rectangular rod with round holes 13 at both ends. A pin 14 is welded upwards onto one side of the rod 4, passing through the round hole 13 at one end of the connecting rod 6, allowing the connecting rod 6 to rotate around the pin 14. A sliding hole 15 is provided on the other side of the rod 4, with a guide cylinder 16 welded inside. The guide cylinder 16 is lower than the upper surface of the rod 4, meaning it is located inside the sliding hole 15. A spring 17 is welded to the bottom of the guide cylinder 16, and a sliding cylinder 18 is welded to the upper end of the spring 17. The outer diameter of the sliding cylinder 18 is equal to the inner diameter of the guide cylinder 16, allowing the sliding cylinder 18 to slide up and down along the guide cylinder 16. When the spring 17 is naturally extended, the sliding cylinder 18 can pass upwards through the round hole 13 on the connecting rod 6. When the sliding cylinder 18 is pressed downwards, it compresses the spring 17, causing the sliding cylinder 18 to retract into the sliding hole 15 of the rod 4. The pin 14 on one side and the sliding cylinder 18 on the other side can connect the connecting rod 6 to the two hanging rods 4 on both sides, preventing the two hanging rods 4 from separating and thus connecting the two hanging rods 4 into a whole. To prevent the sliding cylinder 18 from coming out of the round hole 13, it is preferable that the upper part of the sliding cylinder 18 is provided with an external thread, and the upper part of the sliding cylinder 18 is connected to a nut 19.

[0029] In use, first place the two lifting rods 4 on both sides from below the middle rod 2 of the twisted block, with the lifting rods 4 perpendicular to the middle rod 2. When placing them, make sure the stop blocks 5 on both sides are close to the two sides of the middle rod 2. Then connect the connecting rods 6 to connect the two lifting rods 4 together, forming a rectangular shape. If the first connection method is used, first insert the connecting rod 6 into one of the short connecting cylinders 10, then move the connecting rod 6 horizontally so that the other end is inserted into the other short connecting cylinder 10. Move the connecting rod 6 horizontally so that the bolt hole B12 on the connecting rod 6 is aligned with the bolt hole A11 on the short connecting cylinder 10. Then screw in the bolt nut to fix the connecting rod 6 and the short connecting cylinder 10 together. If the second connection method is used, press down on the sliding cylinder 18 so that the sliding cylinder 18 retracts into the sliding hole 15. At the same time, rotate the connecting rod 6. When the round hole 13 on the connecting rod 6 is aligned with the sliding hole 15, the spring force of the spring 17 causes the sliding cylinder 18 to slide upward through the sliding hole 15 and the round hole 13. Then screw the nut 19 on the upper part of the sliding cylinder 18 that is exposed by the connecting rod 6 to connect the two hanging rods 4 together through the connecting rod 6. After connecting the connecting rod 6 to the lifting rod 4, connect the hook 9 on the lifting rope 8 to the lifting ring of the lifting equipment. Then, slowly lift the lifting rope 8 upwards, ensuring all four ropes are under tension. The lifting rod 4 should contact the bottom surface of the middle member 2. Then, lift the twisted block to the desired position. Once the twisted block is in place, for the first connection method, simply remove the bolts and nuts, then pull the two lifting rods 4 out to the sides. For the second method, simply unscrew the nut 19, press down on the sliding cylinder 18, rotate the connecting rod 6, and then pull the two lifting rods 4 out. Both methods allow for quick disassembly and reuse of the lifting tools.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; those skilled in the art should understand that modifications can still be made to the technical solutions described in the above embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A lifting tool for a twisted block, characterized in that: It includes two parallel booms (4), with two parallel stops (5) symmetrically arranged in the middle of the booms (4). The booms (4) pass vertically through the stops (5). The distance between the two stops (5) on the same boom (4) is equal to the thickness of the middle rod (2) of the twisted block. The two booms (4) are connected together on both sides by connecting rods (6), which are perpendicular to the booms (4). The booms (4) are symmetrically provided with lifting rings (7) at both ends. The lifting rings (7) are fixed with lifting ropes (8), and the ends of the lifting ropes (8) are fixed with hooks (9).

2. The lifting tool for the Twisted King Block according to claim 1, characterized in that: The connecting rod (6) is located between the two lifting rods (4). A short connecting cylinder (10) is welded vertically to the lifting rod (4) in the direction of the connecting rod (6). The short connecting cylinder (10) is provided with bolt holes A (11). The two ends of the connecting rod (6) are inserted into the two short connecting cylinders (10). The two ends of the connecting rod (6) are provided with bolt holes B (12) corresponding to bolt holes A (11). The connecting rod (6) is fixed together with the short connecting cylinder by bolts and nuts passing through bolt holes A (11) and bolt holes B (12).

3. The lifting tool for the Twisted King Block according to claim 1, characterized in that: Both ends of the connecting rod (6) are provided with round holes (13). One of the rods (4) is welded upward with a pin (14). The pin (14) passes through the round hole (13) at one end of the connecting rod (6) and rotatably connects the connecting rod (6) and the pin (14). The other rod (4) is provided with a sliding hole (15). A guide cylinder (16) is welded inside the sliding hole (15). The height of the guide cylinder (16) is lower than the upper surface of the rod (4). A spring (17) is welded to the bottom of the guide cylinder (16). A sliding cylinder (18) is welded to the upper end of the spring (17). The outer diameter of the sliding cylinder (18) is equal to the inner diameter of the guide cylinder (16). When the spring (17) naturally extends, the sliding cylinder (18) can pass upward through the round hole (13) of the connecting rod (6). When the sliding cylinder (18) is pressed downward, it can retract into the sliding hole (15).

4. The lifting tool for the Twisted King Block according to claim 3, characterized in that: The upper part of the sliding cylinder (18) is provided with external threads, and the upper part of the sliding cylinder (18) is connected to a nut (19).

5. The lifting tool for the Twisted King Block according to claim 3, characterized in that: The connecting rod (6) is a rectangular rod.

6. The lifting tool for the Twisted King Block according to claim 1, 2, or 3, characterized in that: The stop (5) is welded to the rod (4).

7. The lifting tool for the Twisted King Block according to claim 1, 2, or 3, characterized in that: The boom (4) is a stainless steel boom.

8. The lifting tool for the Twisted King Block according to claim 1, 2, or 3, characterized in that: The outer surface of the rod (4) between the stops (5) is covered with a rubber layer.

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