Large-diameter nodular cast iron pipe fine adjustment device

By designing a ductile iron pipe fine-tuning device including inverted chains and suspenders, the problems of installation accuracy and construction difficulty of large-diameter ductile iron pipes are solved, and efficient and precise fine-tuning of ductile iron pipes is achieved.

CN222746741UActive Publication Date: 2025-04-11SINOHYDRO ENG BUREAU 4
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Patent Information

Application Number
CN202421681237.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-04-11
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The installation accuracy requirements of large-diameter ductile iron pipes are high and the construction is difficult, which leads to attention of the installation quality, especially when fine-tuning is required after the pipe docking is completed, manual adjustments are difficult to control and mechanical adjustments.

Method used

A large-diameter ductile iron pipe fine-tuning device is designed, including the ink cast iron pipe body and the frame body standing above it. The frame body is equipped with reverse chains, hooks, hooks and suspenders. Through the cooperation of the ink cast iron pipe body, the slow rise and fine-tuning of the ink cast iron pipe body is achieved.

Benefits of technology

Through the design of the frame and inverted chain, the device simplifies the fine-tuning process of large-diameter ductile iron pipes, reduces the difficulty of manual adjustment, and improves the accuracy and safety of fine-tuning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of construction, and discloses a large-diameter nodular cast iron pipe fine adjustment device which comprises a nodular cast iron pipe body and a frame body erected above the nodular cast iron pipe body, a chain block is erected in the frame body and located above the nodular cast iron pipe body, the outer wall of the upper end of the chain block is connected with a hook, and the hook is connected with the nodular cast iron pipe body. The lifting end of the chain block is connected with a lifting hook, the chain block is connected with the frame body through the lifting hook, the lower end of the chain block is provided with a lifting belt arranged on the outer wall of the ink cast iron pipe body in a sleeving mode, and a port of the lifting belt is hung on the lifting hook. The utility model has the advantages of simple manufacture, convenient use and low cost, and can be used repeatedly. In the actual construction process, operation and construction are convenient, the steel pipe only needs to be assembled and erected above the pipeline in the using process, the construction specification requirement is completely met, the risk of pipeline damage is greatly reduced, and the pipeline adjusting efficiency is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a fine-tuning device for a large-diameter ductile iron pipe. Background Art

[0002] Ductile iron pipes have the essence of iron and the properties of steel, with excellent anti-corrosion performance, good ductility and good sealing effect. They are mainly used for water supply, gas transmission and oil transmission in municipal and industrial and mining enterprises. It is the first choice for water supply pipes and has a high cost performance. After installation, it has good internal and external pressure bearing and good airtightness, and the anti-corrosion performance can also be improved through a variety of anti-corrosion methods. With the acceleration of urbanization and the continuous development of infrastructure construction, large-diameter ductile iron pipes are increasingly used in water supply and drainage, sewage treatment and other fields. However, due to the high installation precision requirements and construction difficulty of large-diameter ductile iron pipes, their installation quality has always been a concern.

[0003] Therefore, high-quality ductile iron pipe installation is one of the keys to ensure safe pipeline operation. After the pipeline docking is completed, if it is found that some pipeline interfaces need fine-tuning, it is difficult to adjust manually due to the large-diameter ductile iron pipe's own weight, and mechanical adjustment is difficult to control. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a large-diameter ductile iron pipe fine-tuning device.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A large-diameter ductile iron pipe fine-tuning device comprises a ductile iron pipe body and a frame erected above the ductile iron pipe body, a fall chain is erected inside the frame, the fall chain is located above the ductile iron pipe body, a hook is connected to the outer wall of the upper end of the fall chain, a hook is connected to the lifting end of the fall chain, the fall chain is connected to the frame via the hook, a sling is provided at the lower end of the fall chain which is sleeved on the outer wall of the ductile iron pipe body, and a sling port is hung on the hook.

[0007] Furthermore, the frame is door-shaped, comprising a top steel pipe, a group of connecting steel pipes, a group of bottom steel pipes and two groups of reinforcing steel pipes; the top steel pipe is convenient for connecting the hook, the upper and lower ends of the connecting steel pipe are respectively connected with the first fastener and the second fastener, the top steel pipe and the bottom steel pipe are located between the two connecting steel pipes, the top steel pipe is fixedly connected to the connecting steel pipe by the first fastener, and the bottom steel pipe is fixedly connected to the connecting steel pipe by the second fastener.

[0008] Furthermore, the outer wall of the connecting steel pipe is connected with a fourth fastener, which is located between the first fastener and the second fastener; the outer wall of the bottom steel pipe is symmetrically connected with a group of third fasteners, which are located on the front and rear sides of the connecting steel pipe, and each group of reinforcing steel pipes are respectively arranged on the front and rear sides of the connecting steel pipe, forming a triangle arrangement with the connecting steel pipe and the bottom steel pipe; the upper and lower ends of the reinforcing steel pipe are respectively connected with the fourth fastener and the third fastener.

[0009] Furthermore, the first fastener has the same structure as the second fastener, and the first fastener includes two symmetrically arranged fastener bodies, a connecting shaft is provided between the fastener bodies, and the fastener bodies are connected to each other through the connecting shaft.

[0010] Furthermore, the fastener body includes a fixed clamping block and a movable clamping block arranged in an arc shape, and the fixed clamping blocks are connected to the connecting shaft; a hinge block is connected to the outer wall of the fixed clamping block, and a hinge part is provided at one end of the movable clamping block, and the hinge part is hinged to the outer wall of the hinge block through an axis, and the movable clamping block is movably connected to the fixed clamping member through the cooperation of the hinge part and the hinge block; a clamping hole is provided between the fixed clamping block and the movable clamping block, and studs and nuts are provided on the outer walls of the fixed clamping block and the movable clamping block, and the fixed clamping block and the movable clamping block are connected through the studs and nuts.

[0011] Furthermore, the third fastener includes two symmetrically arranged fastener bodies, a connecting piece is provided between the fastener bodies, and the fastener bodies are rotated through the connecting piece; the connecting piece includes a concave block and a convex block, the concave block and the convex block are respectively connected to the outer walls of the corresponding fixed clamping parts, the convex block extends into the interior of the groove block, a fixed shaft is provided outside the concave block, the fixed shaft passes through the concave block and the convex block, and the convex block is rotatably connected to the interior of the concave block through the fixed shaft.

[0012] Furthermore, the fourth fastener includes two symmetrically arranged fastener bodies, and an intermediate fastener arranged between the fastener bodies; the intermediate fastener has the same structure as the fastener body, and the intermediate fastener replaces the arc-shaped movable clamping member with a rectangularly arranged movable clamping member, and the intermediate fastener is provided with connecting members on both sides close to the fastener body, and the fastener body is connected to the intermediate fastener through the connecting members; the connecting member includes a concave block and a convex block, and the concave block and the convex block are respectively connected to the outer walls of the corresponding fixed clamping member, and the convex block extends into the interior of the concave groove block, and a fixed shaft is provided on the outside of the concave block, and the fixed shaft passes through the concave block and the convex block, and the convex block is rotatably connected to the inside of the concave block through the fixed shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with a frame, which is assembled from a plurality of φ48 steel pipes, so that the frame can be easily carried and disassembled. The sling is passed through the bottom of the graphite cast iron pipe body, and both ends are hung on the hooks. The fall chain is pulled to drive the sling, and the sling drives the graphite cast iron pipe body to rise slowly, thereby realizing fine adjustment of the graphite cast iron pipe body;

[0015] 2. The frame of the utility model is assembled from multiple φ48 steel pipes. The first fastener, the second fastener, the fourth fastener, and the third fastener are provided to facilitate disassembly and installation between the φ48 steel pipes, and to facilitate transportation of the frame. By using reinforced steel pipes, the stability of the connecting steel pipes and the bottom steel pipes is improved, and the stability of the frame erected on the ground is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of the utility model of a fine-tuning device for a large-diameter ductile iron pipe;

[0017] Figure 2 It is a side view schematic diagram of the fine adjustment device for large-diameter ductile iron pipe of the utility model;

[0018] Figure 3 It is a top view schematic diagram of the first fastener of the utility model;

[0019] Figure 4 is a top view schematic diagram of the fourth fastener of the utility model;

[0020] Figure 5 is a top view schematic diagram of the third fastener of the utility model;

[0021] Figure 6 The utility model Figure 4 Enlarged schematic diagram of area a in the middle.

[0022] In the figure: 1, frame; 2, fall chain; 3, graphite cast iron pipe body; 4, first fastener; 5, second fastener; 7, fourth fastener; 8, third fastener; 11, top steel pipe; 12, connecting steel pipe; 13, bottom steel pipe; 14, reinforcement steel pipe; 21, hook; 22, hook; 23, sling; 41, fastener body; 42, connecting shaft; 71, middle fastener; 72, connecting piece; 411, fixed clamping block; 412, hinged block; 413, hinged part; 414, movable clamping block; 415, stud; 416, nut; 417, clamping groove; 721, concave block; 722, convex block; 723, fixed shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] This embodiment provides a large-diameter ductile iron pipe fine-tuning device, such as Figure 1 As shown, it includes a graphite cast iron pipe body 3 and a frame 1 erected above the graphite cast iron pipe body 3. The frame 1 is assembled from multiple φ48 steel pipes, which is convenient for carrying, installing and disassembling the frame 1; a fall chain 2 is erected inside the frame 1, and the fall chain 2 is a commercially available product, also known as a hand winch; the fall chain 2 is located above the graphite cast iron pipe body 3, and the upper end outer wall of the fall chain 2 is connected to a hook 22, and the lifting end of the fall chain 2 is connected to a hook 21, and the fall chain 2 is connected to the frame 1 through the hook 22. The lower end of the fall chain 2 is provided with a sling 23 sleeved on the outer wall of the graphite cast iron pipe body 3, and the end of the sling 23 is hung on the hook 21; the sling 23 is passed through the bottom of the graphite cast iron pipe body 3, and its two ends are hung on the hook 21, and the fall chain 2 is pulled to drive the sling 23, and the sling 23 drives the graphite cast iron pipe body 3 to slowly rise, thereby achieving fine adjustment of the graphite cast iron pipe body 3.

[0025] like Figure 1 to Figure 2 As shown, the frame 1 includes a top steel pipe 11, a group of connecting steel pipes 12, a group of bottom steel pipes 13 and two groups of reinforcing steel pipes 14. The top steel pipe 11 is convenient for connecting the hook 22. The upper and lower ends of the connecting steel pipe 12 are respectively connected with the first fastener 4 and the second fastener 5. The top steel pipe 11 and the bottom steel pipe 13 are located between the two connecting steel pipes 12. The top steel pipe 11 is fixedly connected to the connecting steel pipe 12 through the first fastener 4, and the bottom steel pipe 13 is fixedly connected to the connecting steel pipe 12 through the second fastener 5. The outer wall of the connecting steel pipe 12 is connected with a fourth fastener 7, and the fourth fastener 7 is located between the first fastener 4 and the second fastener 5. The outer wall of the bottom steel pipe 13 is symmetrically connected with a group of third fasteners 8, and the third fastener 8 is located at the front and rear sides of the connecting steel pipe 12. Each group of reinforcing steel pipes 14 is respectively arranged at the front and rear sides of the connecting steel pipe 12, and is arranged in a triangle with the connecting steel pipe 12 and the bottom steel pipe 13. The upper and lower ends of the reinforcing steel pipe 14 are respectively connected with the fourth fastener 7 and the third fastener 8. The frame 1 is assembled from a plurality of φ48 steel pipes. The first fastener 4, the second fastener 5, the fourth fastener 7, and the third fastener 8 are provided to facilitate disassembly and installation between the φ48 steel pipes, thereby facilitating transportation of the frame 1. The use of the reinforcing steel pipe 14 improves the stability of the connecting steel pipe 12 and the bottom steel pipe 13, and also improves the stability of the frame 1 erected on the ground.

[0026] In this embodiment, the first fastener 4 and the second fastener 5 have the same structure; Figure 3As shown, the first fastener 4 includes two symmetrically arranged fastener bodies 41, a connecting shaft 42 is provided between the fastener bodies 41, and the fastener bodies 41 are connected to each other through the connecting shaft 42; the two fastener bodies 41 are connected by a fixed shaft 723, which is convenient for the fastener bodies 41 to rotate, adjust the position of the clamping mouth, and facilitate clamping of steel pipes in different directions.

[0027] like Figure 3 As shown, the fastener body 41 includes a fixed clamping block 411 and a movable clamping block 414 arranged in an arc shape. The fixed clamping blocks 411 are movably connected to the connecting shaft 42. The outer wall of the fixed clamping block 411 is connected to a hinge block 412. One end of the movable clamping block 414 is provided with a hinge part 413. The hinge part 413 is hinged to the outer wall of the hinge block 412 through an axis. The movable clamping block 414 is movably connected to the fixed clamping block 411 through the cooperation of the hinge part 413 and the hinge block 412.

[0028] A clamping hole 417 is provided between the fixed clamping block 411 and the movable clamping block 414, and studs 415 and nuts 416 are provided on the outer walls of the fixed clamping block 411 and the movable clamping block 414. The fixed clamping block 411 and the movable clamping block 414 are fixedly connected by the studs 415 and the nuts 416; the movable clamping block 414 is rotated to facilitate the fixed fastener body 41 to be connected to the outer wall of the steel pipe, and the cooperation of the studs 415 and the nuts 416 facilitates the fixation between the movable clamping block 414 and the fixed clamping block 411, thereby facilitating the fixed connection of the fastener body 41 to the outer wall of the steel pipe.

[0029] like Figures 5 and 6 As shown, the third fastener 8 includes two symmetrically arranged fastener bodies 41, a connecting piece 72 is provided between the fastener bodies 41, and the fastener bodies 41 move through the connecting piece 72; the connecting piece 72 includes a concave block 721 and a convex block 722, the concave block 721 and the convex block 722 are respectively connected to the outer wall of the corresponding fixed clamping block 411, the convex block 722 extends into the interior of the groove block, a fixed shaft 723 is provided on the outside of the concave block 721, the fixed shaft 723 passes through the concave block 721 and the convex block 722, and the convex block 722 is rotatably connected to the inside of the concave block 721 through the fixed shaft 723; the two fastener bodies 41 are connected by the connecting piece 72, and the sizes of the concave block 721 and the convex block 722 of the connecting piece 72 meet the rotation between the two fastener bodies 41; when it is necessary to connect the misaligned steel pipes, the fastener body 41 on one side of the third fastener 8 is rotated so that the third fastener 8 is arranged in an L shape, which is convenient for connecting the reinforced steel pipe 14.

[0030] like Figure 4 and Figure 6As shown, the fourth fastener 7 includes two fastener bodies 41 symmetrically arranged, and an intermediate fastener 71 arranged between the fastener bodies 41. The intermediate fastener 71 has the same structure as the fastener bodies 41, and the intermediate fastener 71 replaces the arc-shaped movable clamping block 414 with a rectangular movable clamping block 414. The intermediate fastener 71 is provided with connecting pieces 72 on both sides close to the fastener bodies 41, and the fastener bodies 41 are connected to the intermediate fastener 71 through the connecting pieces 72; the connecting piece 72 includes a concave block 721 and a convex block 722, and the concave block 721 and the convex block 722 are respectively connected to the outer wall of the corresponding fixed clamping block 411, and the convex block 722 extends into the interior of the concave block, and the concave block 721 is provided with a fixed shaft 723 on the outside, and the fixed shaft 723 penetrates the concave block 721. The concave block 721 and the convex block 722 are passed through, and the convex block 722 is rotatably connected to the inside of the concave block 721 through the fixed shaft 723; the two fastener bodies 41 are connected by the connecting piece 72. When it is necessary to connect the misplaced steel pipes, the fastener body 41 on one side of the fourth fastener 7 is rotated to drive the convex block 722 to rotate inside the concave block 721, so that the fourth fastener 7 is arranged in a concave shape, which is convenient for connecting the reinforced steel pipe 14 and cooperating with the fourth fastener 7 connected to the bottom steel pipe 13, so as to clamp and fix the reinforcing fastener, thereby realizing the connection between the reinforcing component and the connecting steel pipe 12 and the bottom steel pipe 13, thereby improving the stability between the two.

[0031] Working principle of fine-tuning device for large-diameter ductile iron pipe:

[0032] When in use, first set up the frame 1 at the position where the graphite cast iron pipe body 3 needs to be fine-tuned. After the frame 1 is installed, the fall chain 2 is hung on the bottom steel pipe 13 through the hook 22, and then the sling 23 is passed through the bottom of the graphite cast iron pipe body 3, and its two ends are hung on the hook 21. Pull the fall chain 2 to drive the sling 23, and the sling 23 drives the graphite cast iron pipe body 3 to slowly rise, thereby achieving fine-tuning of the graphite cast iron pipe body 3.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fine-tuning device for a large-diameter ductile iron pipe, comprising a ductile iron pipe body and a frame erected above the ductile iron pipe body, characterized in that: A fall chain is arranged inside the frame, and the fall chain is located above the black cast iron pipe body. A hook is connected to the outer wall of the upper end of the fall chain, and a hook is connected to the lifting end of the fall chain. The fall chain is connected to the frame through the hook, and a sling is arranged at the lower end of the fall chain and is sleeved on the outer wall of the black cast iron pipe body, and the sling port is hung on the hook.

2. The fine-tuning device for large-diameter ductile iron pipe according to claim 1 is characterized in that: The frame is door-shaped, and includes a top steel pipe, a group of connecting steel pipes, a group of bottom steel pipes and two groups of reinforcing steel pipes; the top steel pipe is convenient for connecting hooks, and the upper and lower ends of the connecting steel pipe are respectively connected with a first fastener and a second fastener, the top steel pipe and the bottom steel pipe are located between the two connecting steel pipes, the top steel pipe is fixedly connected to the connecting steel pipe by the first fastener, and the bottom steel pipe is fixedly connected to the connecting steel pipe by the second fastener.

3. The fine-tuning device for large-diameter ductile iron pipe according to claim 2 is characterized in that: The outer wall of the connecting steel pipe is connected with a fourth fastener, and the fourth fastener is located between the first fastener and the second fastener; the outer wall of the bottom steel pipe is symmetrically connected with a group of third fasteners, and the third fasteners are located on the front and rear sides of the connecting steel pipe, and each group of reinforcement steel pipes are respectively arranged on the front and rear sides of the connecting steel pipe, and are arranged in a triangle with the connecting steel pipe and the bottom steel pipe; the upper and lower ends of the reinforcement steel pipe are respectively connected with the fourth fastener and the third fastener.

4. The fine-tuning device for large-diameter ductile iron pipe according to claim 3 is characterized in that: The first fastener has the same structure as the second fastener. The first fastener includes two symmetrically arranged fastener bodies. A connecting shaft is provided between the fastener bodies, and the fastener bodies are connected to each other through the connecting shaft.

5. The fine-tuning device for large-diameter ductile iron pipe according to claim 4 is characterized in that: The fastener body includes a fixed clamping block and a movable clamping block arranged in an arc shape, and the fixed clamping blocks are connected to the connecting shaft; the outer wall of the fixed clamping block is connected to a hinge block, one end of the movable clamping block is provided with a hinge part, the hinge part is hinged to the outer wall of the hinge block through an axis, and the movable clamping block is movably connected to the fixed clamping piece through the cooperation of the hinge part and the hinge block; a clamping hole is provided between the fixed clamping block and the movable clamping block, and the outer walls of the fixed clamping block and the movable clamping block are provided with studs and nuts, and the fixed clamping block and the movable clamping block are connected through the studs and nuts.

6. The fine-tuning device for large-diameter ductile iron pipe according to claim 5 is characterized in that: The third fastener includes two symmetrically arranged fastener bodies, a connecting piece is provided between the fastener bodies, and the fastener bodies are rotated by the connecting piece; the connecting piece includes a concave block and a convex block, the concave block and the convex block are respectively connected to the outer walls of the corresponding fixed clamping parts, the convex block extends into the interior of the groove block, a fixed shaft is provided outside the concave block, the fixed shaft passes through the concave block and the convex block, and the convex block is rotatably connected to the interior of the concave block by the fixed shaft.

7. The fine-tuning device for large-diameter ductile iron pipes according to claim 5 is characterized in that: The fourth fastener includes two symmetrically arranged fastener bodies, and an intermediate fastener arranged between the fastener bodies; the intermediate fastener has the same structure as the fastener body, and the intermediate fastener replaces the arc-shaped movable clamping member with a rectangularly arranged movable clamping member, and the intermediate fastener is provided with connecting members on both sides close to the fastener body, and the fastener body is connected to the intermediate fastener through the connecting members; the connecting member includes a concave block and a convex block, the concave block and the convex block are respectively connected to the outer walls of the corresponding fixed clamping members, the convex block extends into the interior of the concave groove block, a fixed shaft is provided on the outside of the concave block, the fixed shaft passes through the concave block and the convex block, and the convex block is rotatably connected to the inside of the concave block through the fixed shaft.