Large-diameter ductile iron pipe installation tool

By improving the lever hoist with a quick-adjustment component, the problems of high labor intensity and low efficiency in the installation of large-diameter ductile iron pipes by lever hoists have been solved, achieving a highly efficient installation process.

CN224407493UActive Publication Date: 2026-06-26陕西华山路桥集团有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
陕西华山路桥集团有限公司
Filing Date
2025-07-09
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing technologies, manual lever hoists involve high labor intensity and low installation efficiency during the installation of large-diameter ductile iron pipes, especially in the Gobi Desert region where construction takes a long time.

Method used

A tool for installing large-diameter ductile iron pipes was designed. It adopts a quick-adjustment assembly consisting of a connecting shaft, handle, turntable, connecting block and connecting rod to replace the traditional handle, realize the continuous lifting of the lifting chain, reduce wasted effort and improve installation efficiency.

Benefits of technology

By continuously rotating the quick-adjustment component, the intensity of manual labor is reduced, the installation time is shortened, and the installation efficiency of large-diameter pipelines in the Gobi Desert region is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses big caliber nodular cast iron pipeline installation instrument, including hand winch body, the power input of hand winch body is installed with locking assembly, the locking assembly includes butterfly type nut and lock bolt, locking assembly installs fast -tuning assembly, fast -tuning assembly includes connecting shaft, handle, carousel, connecting block and connecting rod. Advantageous effect lies in: the utility model discloses the handle of original hand winch body is changed into the fast -tuning assembly that constitutes by connecting shaft, handle, carousel, connecting block and connecting rod, so that the installation instrument can realize the sustained lifting of the lifting chain through the mode of sustained rotation when using, effectively reduces the useless work that big caliber pipeline does when lifting in the installation process, and the artificial labor intensity is smaller, and effectively shorten the lifting time of big caliber pipeline when installing in the gobi area, and the efficiency of big caliber pipeline of nodular cast iron material is higher when installing.
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Description

Technical Field

[0001] This utility model relates to the field of large-diameter pipeline installation technology, specifically to installation tools for large-diameter ductile iron pipelines. Background Technology

[0002] Currently, ductile iron pipes are widely used for water supply and drainage. However, the Gobi Desert region presents unique challenges for the installation of large-diameter ductile iron pipes. To expedite construction, auxiliary tools are generally required to install these pipes.

[0003] Currently, the main auxiliary tool used for installing large-diameter ductile iron pipes in the Gobi Desert region is the lever hoist. When installing large-diameter ductile iron pipes, the top hook of the lever hoist is first hung on a pre-set support, and the bottom hook of the lever hoist is connected to the large-diameter pipe to be installed. Then, the large-diameter pipe is lifted as needed by repeatedly turning the wrench on the lever hoist, which facilitates the rapid installation of large-diameter pipes in the Gobi Desert region.

[0004] Although lever hoists can speed up the installation of large-diameter ductile iron pipes, the lifting chain on the hoist body does not move when the wrench is repeatedly turned during the installation process. This results in a lot of wasted effort by the manual laborer, leading to high labor intensity and a longer installation time for large-diameter pipes, resulting in low installation efficiency. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The technical problem to be solved by this utility model is to provide a large-diameter ductile iron pipe installation tool with high installation efficiency and low manual labor intensity, in light of the current state of the technology.

[0007] (II) Technical Solution

[0008] This utility model is achieved through the following technical solution: This utility model proposes a large-diameter ductile iron pipe installation tool, including a hand lever hoist body. The power input end of the hand lever hoist body is equipped with a locking component, which includes a wing nut and a locking bolt. A quick-adjustment component is installed at the locking component, which includes a connecting shaft, a handle, a turntable, a connecting block, and a connecting rod.

[0009] Furthermore, the locking bolt is formed on the power input shaft of the lever hoist body, and the wing nut is screwed onto the free end of the locking bolt.

[0010] Furthermore, the connecting block is mounted on the locking bolt, and the wing nut is fitted with the connecting block.

[0011] Furthermore, there are four connecting rods, which are welded in a ring on the outside of the connecting block, and a turntable is welded together at one end of the four connecting rods facing away from the connecting block.

[0012] Furthermore, four connecting shafts are installed in a ring on the side wall of the turntable facing away from the main body of the lever hoist, and the handles are rotatably installed on the outside of the connecting shafts.

[0013] Furthermore, a lifting chain is wound around the body of the lever hoist, and a bottom hook is connected to the lower side of the lifting chain.

[0014] Furthermore, a top hook is installed at the top of the lever hoist body, and the top hook has the same structure as the bottom hook.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model has the following advantages:

[0017] This utility model replaces the original handle on the lever hoist body with a quick-adjustment assembly consisting of a connecting shaft, grip, turntable, connecting block, and connecting rod. This allows the installation tool to continuously lift the chain through continuous rotation, effectively reducing the wasted effort during the lifting of large-diameter pipes during installation, thus reducing the intensity of manual labor. It also effectively shortens the lifting time for large-diameter pipes in the Gobi Desert region, making the installation of large-diameter pipes made of ductile iron more efficient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the large-diameter ductile iron pipe installation tool described in this utility model;

[0019] Figure 2 The large-diameter ductile iron pipe installation tool described in this utility model Figure 1 Enlarged view of point A in the middle.

[0020] The annotations in the attached figures are explained as follows:

[0021] 1. Top hook; 2. Hand lever hoist body; 3. Lifting chain; 4. Bottom hook; 5. Quick-adjustment assembly; 501. Connecting shaft; 502. Handle; 503. Turntable; 504. Connecting block; 505. Connecting rod; 6. Locking assembly; 601. Wing nut; 602. Locking bolt. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] like Figures 1-2 As shown, the large-diameter ductile iron pipe installation tool in this embodiment includes a lever hoist body 2. A locking component 6 is installed at the power input end of the lever hoist body 2. The locking component 6 includes a wing nut 601 and a locking bolt 602. A quick-adjustment component 5 is installed at the locking component 6. The quick-adjustment component 5 includes a connecting shaft 501, a handle 502, a turntable 503, a connecting block 504, and a connecting rod 505. When installing large-diameter ductile iron pipes in the Gobi Desert, the lever hoist body 2 is installed first, and then the lever hoist body 2 is moved by turning the handles 502 one by one, so that the large-diameter pipe can be easily lifted under the action of the lever hoist body 2, so as to facilitate the rapid installation of the large-diameter pipe.

[0024] like Figures 1-2 As shown, in this embodiment, the locking bolt 602 is formed on the power input shaft of the lever hoist body 2, the wing nut 601 is screwed onto the free end of the locking bolt 602, and the connecting block 504 is installed on the locking bolt 602. The wing nut 601 fits against the connecting block 504. When the connecting block 504 is inserted into the free end of the locking bolt 602, the wing nut 601 is tightened, which can realize the reliable installation of the connecting block 504 on the locking bolt 602.

[0025] like Figures 1-2 As shown, in this embodiment, there are four connecting rods 505. The four connecting rods 505 are welded in a ring to the outside of the connecting block 504. A turntable 503 is welded to one end of the four connecting rods 505 facing away from the connecting block 504. The connecting rods 505 cooperate with the connecting block 504 to reliably install the turntable 503 on the power input end of the lever hoist body 2. Four connecting shafts 501 are installed in a ring on the side wall of the turntable 503 facing away from the lever hoist body 2. A handle 502 is rotatably installed on the outside of the connecting shafts 501. The handle 502 allows for convenient rotation and adjustment of the turntable 503. A lifting chain 3 is wound around the body 2 of the lever hoist, and a bottom hook 4 is connected to the lower side of the lifting chain 3. After the sprocket inside the body 2 rotates under the action of the turntable 503, the lifting chain 3 can be used to conveniently lift large-diameter pipes. A top hook 1 is installed at the top of the body 2 of the lever hoist. The top hook 1 has the same structure as the bottom hook 4. The top hook 1 can ensure the reliable installation of the body 2 of the lever hoist on the pre-set bracket.

[0026] The specific implementation process of this embodiment is as follows: When installing large-diameter ductile iron pipes in the Gobi Desert, the main body 2 of the lever hoist is installed first. Then, the sprockets inside the main body 2 are rotated by turning the handles 502 one by one, so that the lifting chain 3 is lifted under the action of the main body 2. While the lifting chain 3 is lifted, it lifts the large-diameter pipe to be installed with the help of the bottom hook 4, so as to facilitate the rapid installation of the large-diameter pipe. Since this installation tool replaces the original handle on the main body 2 of the lever hoist with a quick-adjustment component 5 consisting of a connecting shaft 501, handle 502, turntable 503, connecting block 504 and connecting rod 505, the installation tool can continuously lift the lifting chain 3 by continuous rotation during use, effectively reducing the useless work done during the lifting of the large-diameter pipe during the installation process, reducing the intensity of manual labor, and effectively shortening the lifting time of the large-diameter pipe during installation in the Gobi Desert, making the installation of large-diameter ductile iron pipes more efficient.

[0027] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A large diameter ductile iron pipe installation tool characterized by: The system includes a lever hoist body (2), and a locking assembly (6) is installed at the power input end of the lever hoist body (2). The locking assembly (6) includes a wing nut (601) and a locking bolt (602). A quick-adjustment assembly (5) is installed at the locking assembly (6). The quick-adjustment assembly (5) includes a connecting shaft (501), a handle (502), a turntable (503), a connecting block (504), and a connecting rod (505).

2. The large diameter ductile iron pipe installation tool of claim 1, wherein: The locking bolt (602) is formed on the power input shaft of the lever hoist body (2), and the wing nut (601) is screwed onto the free end of the locking bolt (602).

3. The installation tool for large-diameter ductile iron pipes according to claim 2, characterized in that: The connecting block (504) is mounted on the bolt (602), and the wing nut (601) is fitted with the connecting block (504).

4. The installation tool for large-diameter ductile iron pipes according to claim 3, characterized in that: There are four connecting rods (505), which are welded in a ring to the outside of the connecting block (504). The four connecting rods (505) are welded together to a turntable (503) at the ends opposite to the connecting block (504).

5. The installation tool for large-diameter ductile iron pipes according to claim 4, characterized in that: The turntable (503) has four connecting shafts (501) installed in a ring on the side wall opposite to the hand-operated hoist body (2), and the handle (502) is rotatably installed on the outside of the connecting shaft (501).

6. The installation tool for large-diameter ductile iron pipes according to claim 1, characterized in that: A lifting chain (3) is wound around the body (2) of the lever hoist, and a bottom hook (4) is connected to the lower side of the lifting chain (3).

7. The installation tool for large-diameter ductile iron pipes according to claim 6, characterized in that: The top of the lever hoist body (2) is equipped with a top hook (1), which has the same structure as the bottom hook (4).