A winch seat and method of installing a winch

By using the preliminary positioning and matching reaming hole technology of the winch seat assembly, the problem of inaccurate winch foot installation was solved, achieving efficient and reliable winch installation.

CN117532329BActive Publication Date: 2026-07-31SOUTH CHINA MARINE MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTH CHINA MARINE MACHINERY
Filing Date
2023-11-03
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

During winch installation, it is difficult to keep the two feet of the winch feet parallel and coaxial, which makes it impossible to accurately align the mounting holes, increasing the difficulty and time of installation and reducing work efficiency.

Method used

Two winch base assemblies are used. Initial positioning and spot welding are performed by connecting plate and connecting cylinder to ensure that the winch feet are set parallel to each other on the same plane. The accurate positioning and fixation of the winch feet are achieved by matching pins and hinge holes. Finally, complete welding is performed.

Benefits of technology

This effectively reduces the difficulty and time required to install the winch on the boom, and improves installation efficiency and reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a method for installing a winch base and a winch, including a winch and two winch bases. Each winch base includes a pin, a winch foot, and another winch foot. By aligning the two winch feet on the same horizontal line and parallel to each other, and simultaneously positioning the connecting piece perpendicular to the two winch feet, and welding them together, the winch feet are first reamed to match the pin. Then, the two winch feet are aligned with preset welding positions on the boom. The two winch bases are then connected via a connecting cylinder. Finally, one winch base is initially fixed by spot welding, followed by spot welding of the other winch base. Finally, complete welding is performed, with the pin passing through the through hole and the reamed hole. This allows for accurate welding of the winch base to the boom. This invention shortens the time required to install the winch on the winch feet, reduces installation difficulty, and improves the efficiency and reliability of the installation process.
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Description

Technical Field

[0001] This invention relates to the field of winch installation technology, and more specifically to a method for installing a winch base and a winch. Background Technology

[0002] With the development of industry, winches are essential equipment in industrial production and engineering construction. They are also required for large-scale marine lifting equipment. Winches are welded to the boom and their function is to wind up and unwind steel wire ropes. During installation, the winch needs to be mounted on winch feet, which are first fixedly welded to the boom. Since the winch and winch feet are connected by a pin, each winch foot consists of two feet with mounting holes for the winch. In existing technology, one foot is first fixed to the boom, and then... Another winch foot is fixed to the boom, and then mounting holes are machined on the winch foot. However, since the winch feet need to be fixed individually to the boom located at a high position, if the position of the winch foot is not determined properly when fixing it, the two feet of the winch foot will not be parallel, and the mounting holes machined on the winch foot will not be coaxial. Or even if the winch feet are parallel, it is impossible to ensure that the mounting holes are coaxial when machining them at a high position. This will increase the difficulty of installing the winch on the winch foot, prolong the processing time cycle, and reduce work efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a method for installing a winch base and a winch, which can shorten the time required to install the winch on the winch feet, reduce the difficulty of installation, and thus improve the efficiency and reliability of the installation process.

[0004] To achieve the above objectives, a method for installing a winch base and a winch is provided. The winch base includes two winch base assemblies, each of which includes a pin, a winch foot, and another winch foot. It also includes the following steps: (1) Place one winch foot and the other winch foot on the same horizontal line and set them in parallel relative to each other. Then insert the first protrusions at both ends of the connecting plate into the first grooves of the two winch feet for initial positioning, so that the connecting plate is set perpendicular to the two winch feet. Then spot weld them to form a whole for initial fixation. (2) The two winch feet, which are welded together, are installed on a machine tool. The machine tool is used to machine the two sides of the top of the winch feet, and the diameter of the reaming hole is equal to the diameter of the pin. (3) Pass the pin through the hinge hole and insert the pin into the socket to further fix the top of the two winch feet. Then, hoist the two winch feet onto the boom with a wire rope so that the bottom of the two winch feet matches the preset welding position on the boom. (4) Repeat steps (1)-(3) to assemble the other winch seat; (5) Insert the second protrusions at both ends of the connecting cylinder vertically into the second grooves in the two winch seats for initial positioning, and then spot weld the two winch seats together through the connecting cylinder for initial fixation; (6) First determine the preset welding position of one winch seat, then spot weld the bottom outer side of one winch seat for preliminary fixation, then determine the preset welding position of the other winch seat, and spot weld the bottom outer side of the other winch seat for preliminary fixation, then confirm the preset welding positions of the two winch seats and the boom again, and then fully weld the two winch seats. (7) Hoist the winch above the winch seat, then pull out the pin and pull out the pin shaft so that the through hole at the bottom of the winch corresponds to the hinge hole on the winch foot. Pass the pin shaft through the through hole and the hinge hole, and then use the pin to insert into the pin shaft socket to complete the fixed installation of the winch.

[0005] The above setup, by placing the two winch feet on the same horizontal line and parallel to each other, and ensuring the connecting plate is perpendicular to the two winch feet, maintains the parallel arrangement of the two winch feet on the same plane. Simultaneously, the second protrusions at both ends of the connecting cylinder are vertically inserted into the second grooves in the two winch seats, thus initially positioning the two winch seats. After spot welding, the two winch seats are integrated through the connecting cylinder for initial fixation, ensuring that the two ends of the winch are at the same height after installation on the winch seats. After the two winch feet are welded together through the connecting plate, the winch feet are first reamed to match the pins, effectively reducing the winch's... After the feet are installed on the boom, the difficulty of machining the reaming holes in the winch feet is reduced, thus improving installation efficiency. After the reaming is completed, the pin is passed through the reaming hole and the ferrule is inserted into the socket. This further fixes the top of the two winch feet and ensures that the two winch feet are aligned with the preset welding positions on the boom, so that the winch feet can be accurately welded to the boom and welding errors can be avoided. Finally, the bottom outer sides of the two winch seats are spot-welded to achieve initial fixation, and the preset welding positions on the boom are confirmed again. Then, the complete welding is performed, and the pin is removed to efficiently and reliably install and fix the winch on the boom, thereby improving the efficiency and reliability of the installation process.

[0006] Furthermore, the length of the pin is greater than the length of the connecting plate.

[0007] The above settings facilitate the fixing of the winch to the winch feet after the pin passes through the hinge hole.

[0008] Furthermore, step (6) also includes: (6.1) First, spot weld the outer bottom of one winch foot in a winch seat to fix it in advance, and then spot weld the outer bottom of the other winch foot in a winch seat to fix it in advance, so that the bottom of the winch seat is initially welded and fixed to the boom. (6.2) Then, spot weld the outer bottom of one winch foot in another winch seat to fix it in advance. Next, spot weld the outer bottom of the other winch foot in another winch seat to fix it in advance, so that the bottom of the other winch seat is initially welded and fixed to the boom.

[0009] The above setup allows one winch seat to be initially fixed to the boom by spot welding, and then the position of the other winch seat is determined and initially fixed by spot welding. This ensures the parallelism of the two winch seats and that they are both accurately welded to the preset welding positions on the boom.

[0010] Furthermore, step (2) also includes: During the reaming process, the reaming hole on one side of the top of one winch foot and the reaming hole on the other side of the top of another winch foot are made to be on the same axis, and the reaming hole on the other side of the top of one winch foot and the reaming hole on the other side of the top of another winch foot are also on the same axis.

[0011] The above settings allow the pin to pass directly through the reamed hole, preventing misalignment that could prevent the pin from passing through the reamed hole and completing the installation.

[0012] Furthermore, step (2) also includes: During the reaming process, the centers of the reaming holes on both sides of the top of the winch foot are at the same height.

[0013] The above settings facilitate the parallel installation of the hinge holes on both sides of the top of the winch foot, allowing the winch to be installed parallel to the winch foot.

[0014] Furthermore, the bottom ends of the winch feet are provided with notches that match the structural components on the boom.

[0015] The above settings ensure that the bottom of the winch feet fits perfectly against the boom, facilitating welding of the winch feet and reducing errors.

[0016] Furthermore, a spacer is provided between the through hole at the bottom of the winch and the hinge hole at the winch foot.

[0017] The above settings ensure that the gap between the bottom of the winch and the winch feet is filled by the spacer, thus ensuring that the winch can be stably installed on the winch seat via the pin.

[0018] Furthermore, the bottom of the winch is provided with a through hole that matches the pin.

[0019] The above settings allow the pin to pass accurately through the through hole, thus securing the winch to the winch feet.

[0020] Furthermore, the connecting plate has first protrusions at both ends, and the winch feet have first grooves that match the first protrusions.

[0021] The above settings facilitate the initial positioning of the connecting plate by vertically inserting it between the two winch feet.

[0022] Furthermore, the two ends of the connecting cylinder are provided with second protrusions, and the winch feet are provided with second grooves that match the second protrusions. The first groove and the second groove are misaligned.

[0023] The above settings facilitate the initial positioning of the connecting cylinder by vertically inserting it between the two winch seats. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the winch mounted on the boom in this invention.

[0025] Figure 2 This is a schematic diagram of the winch mounted on the winch base in this invention.

[0026] Figure 3 This is a schematic diagram of the pin passing through the winch seat in this invention.

[0027] Figure 4 This is a flowchart of the present invention.

[0028] Figure 5 This is a side view of the connection between the two winch seats and the connecting cylinder in this invention. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0030] like Figures 1 to 3As shown, a method for installing a winch base and a winch is described. The winch base includes two winch base assemblies. Each winch base assembly includes a pin 3, a winch foot 11, and another winch foot 12. The winch foot 11 and the other winch foot 12 are connected by a connecting plate 4. The two winch base assemblies are connected by a connecting pipe 8. The length of the pin 3 is greater than the length of the connecting plate 4, which facilitates the pin 3 passing through the hinge hole 5 on the winch foot to fix the winch 1 onto the winch foot. The bottom of the winch 1 is provided with a through hole 6 that matches the pin 3. A spacer 7 is provided between the hinge hole 5 of the winch foot and the connecting plate 4. The two ends of the connecting plate 4 are provided with first protrusions 41. The winch foot is provided with a first groove 411 that matches the first protrusions 41. The two ends of the connecting cylinder 8 are provided with second protrusions 82. The winch foot is provided with a second groove 822 that matches the second protrusions 82. The first groove 411 and the second groove 822 are misaligned. In this embodiment, the spacer 7 is an annular body that corresponds to the hinge hole on the winch foot. It can conveniently limit the pin shaft in the up and down direction, and at the same time, it can conveniently restrict the through hole 6 at the bottom of the winch to the spacer 7.

[0031] The specific steps include the following: (1) Place one winch foot 11 and another winch foot 12 on the same horizontal line and set them in parallel relative to each other. Then, insert the first protrusions 41 at both ends of the connecting plate body 4 into the first grooves 411 of the two winch feet for initial positioning, so that the connecting plate body 4 is set perpendicular to the two winch feet. Then, spot weld them to form a whole for initial fixation. (2) The two winch feet, which are welded together, are installed on a machine tool. The machine tool is used to machine the two sides of the top of the winch feet with reaming holes 5, and the diameter of the reaming holes 5 is equal to the diameter of the pin 3. (3) Pass the pin 3 through the hinge hole 5 and insert the pin (not shown in the figure) into the socket 9 to further fix the top of the two winch feet. Then, hoist the two winch feet onto the boom with a wire rope so that the notch 17 at the bottom of the two winch feet matches the preset welding position of the structural component 18 on the boom. (4) Repeat steps (1)-(3) to assemble the other winch seat; (5) Insert the second protrusions 82 at both ends of the connecting cylinder 8 vertically into the second grooves 822 in the two winch seats for initial positioning, and then spot weld the two winch seats together through the connecting cylinder 8 for initial fixation; (6) Determine the preset welding positions of the two winch seats, and then spot weld the bottom outer side of the two winch seats to fix them in advance; (6) Specifically includes (6.1)-(6.3). (6.1) First, spot weld the outer bottom of one winch foot 11 in a winch seat to fix it in advance, and then spot weld the outer bottom of another winch foot 12 in a winch seat to fix it in advance, so that the bottom of the winch seat is initially welded and fixed on the boom. (6.2) Then, spot weld the outer bottom of one winch foot 11 in another winch seat to fix it in advance. Next, spot weld the outer bottom of another winch foot 12 in another winch seat to fix it in advance, so that the bottom of the other winch seat is initially welded and fixed to the boom. (6.3) Reconfirm the preset welding positions on the two winch seats and the boom, and then fully weld the two winch seats.

[0032] (7) Hoist the winch 1 above the winch seat, then pull out the pin and pull out the pin 3 so that the through hole 6 at the bottom of the winch 1 is aligned with the hinge hole 5 on the winch foot. Then pass the pin 3 through the through hole 6 and the hinge hole 5 again, and then use the pin to insert it into the socket 9 of the pin 3 to complete the fixed installation of the winch.

[0033] The working principle of this invention is as follows: By aligning the two winch feet on the same horizontal line and parallel to each other, and simultaneously positioning the connecting plate perpendicular to the two winch feet, the two winch feet are kept parallel and on the same plane. The second protrusions at both ends of the connecting cylinder are vertically inserted into the second grooves in the two winch seats, thus initially positioning the two winch seats. Then, spot welding is used to form a single unit with the connecting cylinder for initial fixation, ensuring that the two ends of the winch are at the same height after installation on the winch seats. After the two winch feet are welded together by the connecting plate, the winch feet are first machined with reamed holes to match the pins, effectively reducing... After the winch feet are installed on the boom, the difficulty of machining the reaming holes in the winch feet is reduced, thus improving the efficiency of the installation work. After the reaming is completed, the pin is passed through the reaming hole and the ferrule is inserted into the socket. This further fixes the top of the two winch feet. By matching the two winch feet with the preset welding positions on the boom, it is easy to accurately weld the winch feet to the boom and avoid welding errors. Finally, the bottom outer sides of the two winch seats are spot welded to achieve preliminary fixation. The preset welding positions of the two winch seats and the boom are confirmed again. Then, the complete welding is performed, and the pin is pulled out to efficiently and reliably install and fix the winch on the boom, thereby improving the efficiency and reliability of the installation process.

Claims

1. A method for installing a winch base and a winch, the winch base comprising two winch base assemblies, each winch base assembly including a pin, a winch foot, and another winch foot, characterized in that: It also includes the following steps: (1) Place one winch foot and the other winch foot on the same horizontal line and set them in parallel relative to each other. Then insert the first protrusions at both ends of the connecting plate into the first grooves of the two winch feet for initial positioning, so that the connecting plate is set perpendicular to the two winch feet. Then spot weld them to form a whole for initial fixation. (2) The two winch feet, which are welded together, are installed on a machine tool. The machine tool is used to machine the two sides of the top of the winch feet, and the diameter of the reaming hole is equal to the diameter of the pin. (3) Pass the pin through the hinge hole and insert the pin into the socket to further fix the top of the two winch feet. Then, hoist the two winch feet onto the boom with a wire rope so that the bottom of the two winch feet matches the preset welding position on the boom. (4) Repeat steps (1)-(3) to assemble the other winch seat; (5) Insert the second protrusions at both ends of the connecting cylinder vertically into the second grooves in the two winch seats for initial positioning, and then spot weld the two winch seats together through the connecting cylinder for initial fixation; (6) First determine the preset welding position of one winch seat, then spot weld the bottom outer side of one winch seat for preliminary fixation, then determine the preset welding position of the other winch seat, and spot weld the bottom outer side of the other winch seat for preliminary fixation, then confirm the preset welding positions of the two winch seats and the boom again, and then fully weld the two winch seats. (7) Hoist the winch above the winch seat, then pull out the pin and pull out the pin shaft so that the through hole at the bottom of the winch corresponds to the hinge hole on the winch foot. Pass the pin shaft through the through hole and the hinge hole, and then use the pin to insert into the pin shaft socket to complete the fixed installation of the winch.

2. A method of mounting a winch seat to a winch according to claim 1, characterised in that: The length of the pin is greater than the length of the connecting plate.

3. A method of mounting a winch seat to a winch according to claim 1, characterised in that: Step (6) also includes: (6.1) First, spot weld the outer bottom of one winch foot in a winch seat to fix it in advance, and then spot weld the outer bottom of the other winch foot in a winch seat to fix it in advance, so that the bottom of the winch seat is initially welded and fixed to the boom. (6.2) Then, spot weld the outer bottom of one winch foot in another winch seat to fix it in advance. Next, spot weld the outer bottom of the other winch foot in another winch seat to fix it in advance, so that the bottom of the other winch seat is initially welded and fixed to the boom.

4. A method of mounting a winch seat to a winch according to claim 1, characterised in that: Step (2) also includes: During the reaming process, the reaming hole on one side of the top of one winch foot and the reaming hole on the other side of the top of another winch foot are made to be on the same axis, and the reaming hole on the other side of the top of one winch foot and the reaming hole on the other side of the top of another winch foot are also on the same axis.

5. A method of mounting a winch seat to a winch according to claim 1, characterised in that: Step (2) also includes: During the reaming process, the centers of the reaming holes on both sides of the top of the winch foot are at the same height.

6. A method of mounting a winch seat to a winch according to claim 1, characterised in that: The bottom ends of the winch feet are provided with notches that match the structural components on the boom.

7. A method of mounting a winch seat to a winch according to claim 1, characterised in that: A spacer is provided between the through hole at the bottom of the winch and the hinge hole at the winch foot.

8. A method of mounting a winch seat to a winch according to claim 1, characterised in that: The bottom of the winch is provided with a through hole that matches the pin.

9. A method of mounting a winch seat to a winch according to claim 1, characterised in that: The connecting plate has first protrusions at both ends, and the winch feet have first grooves that match the first protrusions.

10. A method of mounting a winch seat to a winch according to claim 1, characterised in that: The connecting cylinder has a second protrusion at both ends, and the winch foot has a second groove that matches the second protrusion. The first groove and the second groove are misaligned.