Anchor chain production end link welding device and use method thereof

Abstract

The present invention relates to the technical field of anchor chain welding, and provides an anchor chain production end link welding device and a method of using the device, including a base, the upper end of the base is provided with a first limit frame for clamping the welded part of the anchor chain link, the upper end of the base is provided with a second limit frame for driving the anchor chain to move, the upper end of the base is also provided with a slide for supporting the second limit frame, and the upper end of the slide is provided with a positioning frame for clamping the second limit frame. The present invention can avoid the risk of manual operation and get rid of the dangerous situation of facing high temperature and great weight by positioning the anchor chain during lifting. Secondly, the direction of the anchor chain can be conveniently adjusted after positioning, so that it can be adjusted to the angle required for welding. Finally, through the extended clamping plate, the link at the end of the anchor chain can be conveniently clamped to a state horizontal with the anchor chain, and it can be moved away from the overall equipment to provide operating space, so as to facilitate the stable welding operation.

Description

Technical Field

[0001] The invention relates to the field of anchor chain welding, and more specifically, to an anchor chain production end link welding device and a use method thereof. Background Art

[0002] Anchor chain refers to a special chain that connects the anchor and the hull and transmits the anchor holding force. It is usually composed of anchor end links, middle links and end links. The end link welding of anchor chain production is the process of welding the anchor chain and the tail link together;

[0003] At present, in the prior art, when welding the tail link of the anchor chain, the anchor chain is often directly placed on the welding plate and welded after preheating. In this process, since the anchor chain is a staggered structure transverse to the vertical link, a link in all positions cannot be accurately placed in a flat state, and manual support is required to position it. In this process, the link cannot be accurately placed in a horizontal state, and it needs to be adjusted, which wastes a lot of time and affects the work efficiency, and also affects the welding quality of the anchor chain;

[0004] In order to solve the above problems, the present application proposes an anchor chain production end link welding device and a use method thereof. Summary of the invention

[0005] The object of the present invention is to provide an anchor chain production end link welding device and a use method thereof to solve the problems in the prior art.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A device for welding the end links of an anchor chain production comprises a base, wherein the upper end of the base is provided with a first limiting frame for clamping the welded part of the link of the anchor chain, the upper end of the base is provided with a second limiting frame for driving the anchor chain to move, the upper end of the base is also provided with a slide seat for supporting the second limiting frame, the upper end of the slide seat is provided with a positioning frame for clamping the second limiting frame, a welding machine is provided above one end of the base, the first limiting frame and the second limiting frame are both provided with a clamping seat for limiting the anchor chain at different placement angles, and one end of the second limiting frame is provided with a clamping seat for clamping the end link of the anchor chain A clamping plate is arranged in the position, one end of the first limiting frame is provided with a positioning cylinder for positioning the lower position of the anchor chain when lifting, pull rods are provided on both sides of the first limiting frame, and a connecting rod is provided on the upper end of the pull rod for guiding the anchor chain to the top of the positioning cylinder, and an electric telescopic rod is provided on the outer side of the clamping seat inside the second limiting frame for driving the clamping plate to move outward, and supporting plates for supporting the side positions of the anchor chain links are provided on both sides of the clamping plate, the positioning frame and the second limiting frame are rotatably connected, and the connecting rods are symmetrically arranged on both sides of the first limiting frame, which can automatically form an angle when moving to guide the anchor chain to the center position of the angle.

[0008] Furthermore, an arc-shaped plate for resisting the anchor chain is arranged at one end of the connecting rod, a protruding slide plate is arranged at the lower end of the pull rod, and convex seats for sliding connection of the slide plate are arranged on both sides of one end of the base.

[0009] Furthermore, a protruding external gear is arranged on the outer side of the second limiting frame, an electric rotating gear for driving the external gear to rotate is arranged inside the sliding seat, and a positioning platform for rotationally connecting with the grooves on both sides of the external gear is arranged inside the positioning frame.

[0010] Furthermore, a first electric screw for driving adjacent clamping seats to move in opposite directions simultaneously is disposed on one side of the interior of the second limiting frame, and a support rod mechanism for positioning the clamping seats is disposed on the other side of the interior of the second limiting frame.

[0011] Furthermore, a guide sleeve for positioning the end of the anchor chain is disposed at the upper end of the positioning cylinder, and ring sleeves for rotationally connecting with adjacent mechanisms are disposed at both ends of the connecting rod.

[0012] Furthermore, one end of the slide is provided with a second electric screw for connecting with the boss, the second electric screw is used to drive the slide to move to adjust the angle between adjacent connecting rods, and the other end of the slide is provided with a guide rod for sliding connection with the boss.

[0013] A method for using a welding device for the end link of an anchor chain production. When welding the end link of an anchor chain is required, the specific method is divided into three parts: S1 anchor chain positioning, S2 anchor chain clamping and leveling, and S3 anchor chain end link alignment.

[0014] S1: Positioning of the anchor chain. When the anchor chain is produced and hoisted, the anchor chain is moved to the upper end of the first limit frame. The subsequent movement will abut against the connecting rod. At this time, the second electric screw is driven to drive the pull rod to move inward, so that the connecting rod can be tilted under the drive of the anchor chain. The anchor chain is guided to the middle position to abut against the arc plate using this tilting structure. Then, when the connecting rod is tilted to a certain angle, the anchor chain can be lowered into the interior of the positioning cylinder and passed through the interior of the first limit frame to form a positioning.

[0015] S2: Anchor chain clamping and leveling

[0016] S2.1: After the anchor chain is positioned, one end of the anchor chain is placed inside the clamp seat, and then the first electric screw is driven. By utilizing the spiral connection between the first electric screw and the outer support of the clamp seat, and the sliding connection between the other side and the support rod mechanism, the adjacent clamp seats can be driven to move inward at the same time when the first electric screw rotates. At this time, the chain links of the anchor chain can be clamped. At this time, the vertical chain links are clamped inside the grooves of the clamp seat, and the horizontal chain links are clamped by the end faces of the adjacent clamp seats.

[0017] S2.2: After limiting one end of the anchor chain by the clamp seat, the built-in motor of the base can be driven to drive the slide seat to move outward, stretching the anchor chain to one end distance, and then the anchor chain between the first limit frame and the second limit frame is relaxed in two ways. One is to continuously lower the anchor chain to increase the outward length, and the other is to retract the slide seat to one end distance. After the anchor chain is relaxed, the electric rotating gear can be driven to drive the outer gear to rotate, thereby driving the second limit frame and the clamp seat to rotate to adjust the placement direction of the end position of the anchor chain.

[0018] S3: Alignment of the end link of the anchor chain. After the anchor chain is adjusted to a predetermined placement angle, the electric telescopic rod is driven to extend outward, which can drive the clamping plate to move out, and then lift the drooping part of the anchor chain upward until the clamping plate is clamped on the outer side of one end of the end link of the anchor chain. At this time, the link is away from the end of the second limit frame to increase the operating space during welding, and is positioned in a horizontal state for welding.

[0019] Beneficial effects of the present invention:

[0020] 1. The present invention can clamp the anchor chain through the clamping seat and adjust the position by arranging a movable sliding seat at the upper end of the base, so that the anchor chain between the first limiting frame and the second limiting frame falls down. The falling part can be used to drive the electric rotating gear to drive the second limiting frame to rotate, so as to adjust the clamping angle of the clamping seat, and then adjust the placement angle of the chain link at the end of the anchor chain. The operation is simple and convenient. The anchor chain can be placed in a horizontal state, and the loosening of the anchor chain during the welding process can be effectively avoided, so as to ensure the smooth progress of the anchor chain welding operation.

[0021] 2. After the clamp seat adjusts the placement angle of the anchor chain, the present invention drives the electric telescopic rod to drive the clamp plate to move outward, so that the anchor chain whose front end is not limited can be supported to a horizontal position and the chain ring can be clamped to be stably placed on one end of the anchor chain, thereby avoiding the influence of narrow space on the operation and controlling the chain ring at different positions, which is convenient for welding and use;

[0022] 3. After the positioning cylinder is arranged at one end of the first limit frame, the present invention can resist the anchor chain through the connecting rod when the anchor chain is hoisted, and then the second electric screw drives the slide plate to move and adjust the angle between the adjacent connecting rods. At this time, the anchor chain can be guided to one side of the arc plate, and then after moving to the predetermined position, it can directly pass through the positioning cylinder into the interior of the first limit frame. The structure is simple and the end position can be conveniently installed at the predetermined position without manual positioning, which improves work efficiency and reduces the risk of manual operation, and is conducive to welding operations during production; BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure of the outer part of the second limiting frame;

[0026] Figure 3 for Figure 1 A schematic diagram of the internal structure of the second limiting frame;

[0027] Figure 4 for Figure 1 A schematic diagram of the exploded structure of the positioning frame and the second limiting frame;

[0028] Figure 5 for Figure 1 A schematic diagram of the structure of the connection between the anchor chain and the positioning tube;

[0029] Figure 6 for Figure 1 A schematic diagram of the structure of the arc plate, the connecting rod and the tie rod in the exploded state;

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] In the figure: 1. base; 2. first limit frame; 3. second limit frame; 4. slide seat; 5. positioning frame; 6. welding machine; 7. clamp seat; 8. clamp plate; 9. positioning cylinder; 10. pull rod; 11. connecting rod; 12. arc plate; 13. slide plate; 14. convex seat; 15. electric telescopic rod; 16. support plate; 17. external gear; 18. electric rotating gear; 19. first electric screw; 20. positioning table; 21. guide sleeve; 22. ring sleeve; 23. second electric screw; 24. guide rod. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Please refer to Figure 1-2 A device for welding the end links of an anchor chain production comprises a base 1, a first limiting frame 2 for clamping the welded part of the anchor chain links is arranged at the upper end of the base 1, a second limiting frame 3 for driving the anchor chain to move is arranged at the upper end of the base 1, a slide 4 for supporting the second limiting frame 3 is also arranged at the upper end of the base 1, a positioning frame 5 for clamping the second limiting frame 3 is arranged at the upper end of the slide 4, a welding machine 6 is arranged above one end of the base 1, a clamping seat 7 for limiting the anchor chain to different placement angles is arranged inside the first limiting frame 2 and the second limiting frame 3, a clamping plate 8 for clamping and limiting the end links of the anchor chain is arranged at one end of the second limiting frame 3, and a positioning cylinder for positioning the lower position of the anchor chain when it is hoisted is arranged at one end of the first limiting frame 2 9. Pull rods 10 are provided on both sides of the first limiting frame 2, and a connecting rod 11 is provided on the upper end of the pull rod 10 for guiding the anchor chain to the top of the positioning tube 9. An electric telescopic rod 15 for driving the clamping plate 8 to move outward is provided on the outer side of the clamping seat 7 inside the second limiting frame 3, and supporting plates 16 for supporting the side positions of the anchor chain link are provided on both sides of the clamping plate 8. The positioning frame 5 and the second limiting frame 3 are rotatably connected, and the connecting rod 11 is symmetrically arranged on both sides of the first limiting frame 2, which can automatically form an angle when moving to guide the anchor chain to the center position of the angle. By setting the inner circle diameter of the first limiting frame 2 to be larger than the outer circle diameter of the second limiting frame 3, the second limiting frame 3 can be directly sleeved on the inside of the first limiting frame 2 to facilitate the threading operation of the anchor chain.

[0034] Please continue reading Figure 1: An arc plate 12 for supporting the anchor chain is provided at one end of the connecting rod 11, a protruding slide 13 is provided at the lower end of the pull rod 10, and convex seats 14 for sliding connection of the slide 13 are provided on both sides of one end of the base 1. A built-in motor is provided inside the base 1, and the transmission mechanism corresponding to the slide 13 and the slide 4 serves as a power source for movement.

[0035] Please continue reading Figure 3-4 : A protruding external gear 17 is arranged on the outer side of the second limit frame 3, an electric rotating gear 18 is arranged inside the slide seat 4 for driving the external gear 17 to rotate, and a positioning platform 20 is arranged inside the positioning frame 5 for being rotatably connected to the grooves on both sides of the external gear 17. The protruding structure of the positioning platform 20 can limit the second limit frame 3 to a horizontal state for rotation to avoid loosening.

[0036] Please continue reading Figure 3 : A first electric screw 19 is provided on one side of the interior of the second limiting frame 3 for driving the adjacent clamping seats 7 to move in the opposite direction at the same time, and a support rod mechanism is provided on the other side of the interior of the second limiting frame 3 for positioning the clamping seats 7. The threads at the upper and lower ends of the first electric screw 19 have opposite rotation directions, thereby driving the adjacent clamping seats 7 to move in the opposite direction at the same time.

[0037] Please continue reading Figure 5 The upper end of the positioning tube 9 is provided with a guide sleeve 21 for positioning the end of the anchor chain, and both ends of the connecting rod 11 are provided with ring sleeves 22 for rotationally connecting with adjacent mechanisms, and the ring sleeves 22 are used to automatically adapt to the rotation angle of the connecting rod 11.

[0038] Please continue reading Figure 6 : A second electric screw 23 for connecting to the convex seat 14 is provided at one end of the slide plate 13, and the second electric screw 23 is used to drive the slide plate 13 to move to adjust the angle between adjacent connecting rods 11. The other end of the slide plate 13 is provided with a guide rod 24 for sliding connection to the convex seat 14.

[0039] Please continue reading Figure 1 as well as Figure 5-6 :A method for using a welding device for the end link of an anchor chain production. When welding the end link of an anchor chain is required, the specific method is divided into three parts: S1 anchor chain positioning, S2 anchor chain clamping and leveling, and S3 anchor chain end link alignment.

[0040] S1: Positioning of the anchor chain. When the anchor chain is produced and hoisted, the anchor chain is moved to the upper end of the first limit frame 2. The subsequent movement will abut against the connecting rod 11. At this time, the second electric screw 23 is driven to drive the pull rod 10 to move inward, so that the connecting rod 11 can be tilted under the drive of the anchor chain. This tilting structure is used to guide the anchor chain to the middle position to abut against the arc plate 12. Then, when the connecting rod 11 is tilted to a certain angle, the anchor chain can be lowered into the interior of the positioning tube 9 and passed through the interior of the first limit frame 2 to form a positioning.

[0041] S2: Clamping and leveling of anchor chain,

[0042] S2.1: After the anchor chain is positioned, one end of the anchor chain is placed inside the clamp seat 7, and then the first electric screw 19 is driven. By utilizing the spiral connection between the first electric screw 19 and the outer support of the clamp seat 7 and the sliding connection between the other side and the support rod mechanism, the adjacent clamp seats 7 can be driven to move inward at the same time when the first electric screw 19 rotates. At this time, the chain links of the anchor chain can be clamped. At this time, the vertical chain links are clamped inside the grooves of the clamp seat 7, and the horizontal chain links are clamped by the end faces of the adjacent clamp seats 7.

[0043] S2.2: After limiting one end of the anchor chain by the clamp seat 7, the built-in motor of the base 1 can be driven to drive the slide seat 4 to move outward, stretching the anchor chain to one end, and then the anchor chain between the first limiting frame 2 and the second limiting frame 3 is loosened in two ways. One is to continuously lower the anchor chain to increase the outward length, and the other is to retract the slide seat 4 to one end. After the anchor chain is loosened, the electric rotating gear 18 can be driven to drive the outer gear 17 to rotate, thereby driving the second limiting frame 3 and the clamp seat 7 to rotate to adjust the placement direction of the end position of the anchor chain.

[0044] S3: Aligning the end link of the anchor chain. After the anchor chain is adjusted to a predetermined placement angle, the electric telescopic rod 15 is driven to extend outward, which can drive the clamping plate 8 to move out, and then lift the drooping part of the anchor chain upward until the clamping plate 8 is clamped on the outer side of one end of the end link of the anchor chain. At this time, the link is away from the end of the second limit frame 3 to increase the operating space during welding, and is positioned in a horizontal state for welding.

[0045] It can be understood that the present invention can avoid the risk of manual operation and get rid of the dangerous situation of facing high temperature and great weight by positioning the anchor chain during lifting. Secondly, the direction of the anchor chain can be easily adjusted after positioning so that it can be adjusted to the angle required for welding. Finally, through the extended clamping plate 8, the chain link at the end of the anchor chain can be easily clamped to a state horizontal with the anchor chain, and it can be moved away from the overall equipment to provide operating space, thereby facilitating the stable implementation of the welding operation.

[0046] The working principle of the present invention is:

[0047] The present invention arranges a double-mass first limiting frame 2 and a second limiting frame 3 at the upper end of the base 1 and uses a movable slide 4 to support the second limiting frame 3. The first electric screw 19 arranged inside the second limiting frame 3 can drive the adjacent clamping seats 7 to move inward at the same time, so as to clamp the anchor chain and adjust the position of the slide 4. The anchor chain between the first limiting frame 2 and the second limiting frame 3 falls according to the distance extended by the anchor chain. The falling part can be used to drive the electric rotating gear 18 arranged inside the slide 4 to drive the second limiting frame 3 to rotate, so as to adjust the placement angle of the clamping seat 7 when clamping the anchor chain. The operation is simple and can be achieved through this. While conveniently placing the anchor chain to a horizontal state, it also effectively avoids the situation where the anchor chain is loosened during the welding process, thereby ensuring the smooth progress of the anchor chain welding operation; after the clamp seat 7 adjusts the placement angle of the anchor chain, the electric telescopic rod 15 arranged at the upper and lower ends of the clamp seat 7 is driven to drive the clamping plate 8 at its end to move outward, so that the anchor chain part that is not limited at the front end can be supported to a horizontal position, and the chain ring at the end of the anchor chain can be clamped to be stably placed on one end of the anchor chain, thereby driving the chain ring to move to the outer position, avoiding the influence of narrow space on the operation, and also controlling the chain ring at different positions, which is convenient for welding processing and use;

[0048] After the positioning cylinder 9 is set at one end of the first limit frame 2, the present invention can, when the anchor chain is hoisted, use the connecting rod 11 located at the upper end of the first limit frame 2 to resist the anchor chain, and then the second electric screw 23 set inside the protrusion 14 drives the slide plate 13 to move and adjust the use position of the upper end pull rod 10. The adjacent pull rods 10 move in the opposite direction at the same time, which can drive the adjacent connecting rods 11 at the upper end of the pull rod 10 to rotate and tilt to adjust the angle between the two. At this time, the anchor chain can be guided to one side of the arc plate 12 between the adjacent connecting rods 11, and then after moving to the predetermined position, the anchor chain can be directly inserted into the interior of the positioning cylinder 9, and then inserted into the interior of the first limit frame 2 again after being guided. The structure is simple, and the end position can be conveniently installed at the predetermined position without manual positioning, which improves work efficiency while reducing the risk of manual operation, and is conducive to welding operations during production.

[0049] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicate orientation or positional relationship, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0050] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An anchor chain production end link welding device, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a first limiting frame (2) for clamping the welded part of the anchor chain link, the upper end of the base (1) is provided with a second limiting frame (3) for driving the anchor chain to move, the upper end of the base (1) is also provided with a slide seat (4) for supporting the second limiting frame (3), the upper end of the slide seat (4) is provided with a positioning frame (5) for clamping the second limiting frame (3), a welding machine (6) is provided above one end of the base (1), the first limiting frame (2) and the second limiting frame (3) are both provided with a clamping seat (7) for limiting the anchor chain at different placement angles, one end of the second limiting frame (3) is provided with a clamping plate (8) for clamping and limiting the end link of the anchor chain, the first limiting frame ( One end of the first limiting frame (2) is provided with a positioning cylinder (9) for positioning the lower position of the anchor chain when it is hoisted, and pull rods (10) are provided on both sides of the first limiting frame (2). The upper end of the pull rod (10) is provided with a connecting rod (11) for guiding the anchor chain to the top of the positioning cylinder (9). The outer side of the clamping seat (7) inside the second limiting frame (3) is provided with an electric telescopic rod (15) for driving the clamping plate (8) to move outward. Support plates (16) for supporting the side positions of the anchor chain links are provided on both sides of the clamping plate (8). The positioning frame (5) and the second limiting frame (3) are rotatably connected. The connecting rods (11) are symmetrically arranged on both sides of the first limiting frame (2) so as to automatically form an angle when moving and guide the anchor chain to the center position of the angle.

2. The anchor chain production end link welding device according to claim 1, characterized in that: One end of the connecting rod (11) is provided with an arc-shaped plate (12) for supporting the anchor chain, the lower end of the pull rod (10) is provided with a protruding slide plate (13), and both sides of one end of the base (1) are provided with convex seats (14) for sliding connection with the slide plate (13).

3. The anchor chain production end link welding device according to claim 2, characterized in that: A protruding external gear (17) is arranged on the outer side of the second limiting frame (3), an electric rotating gear (18) for driving the external gear (17) to rotate is arranged inside the sliding seat (4), and a positioning platform (20) for rotatably connecting to grooves on both sides of the external gear (17) is arranged inside the positioning frame (5).

4. The anchor chain production end link welding device according to claim 3, characterized in that: A first electric screw rod (19) for driving adjacent clamping seats (7) to move in opposite directions simultaneously is disposed on one side of the interior of the second limiting frame (3), and a support rod mechanism for positioning the clamping seats (7) is disposed on the other side of the interior of the second limiting frame (3).

5. The anchor chain production end link welding device according to claim 4, characterized in that: The upper end of the positioning cylinder (9) is provided with a guide sleeve (21) for positioning the end of the anchor chain, and both ends of the connecting rod (11) are provided with ring sleeves (22) for rotationally connecting with adjacent mechanisms.

6. The anchor chain production end link welding device according to claim 5, characterized in that: A second electric screw (23) for connecting to the convex seat (14) is provided at one end of the slide plate (13); the second electric screw (23) is used to drive the slide plate (13) to move so as to adjust the angle between adjacent connecting rods (11); and a guide rod (24) for slidably connecting to the convex seat (14) is provided at the other end of the slide plate (13).

7. A method for using a terminal link welding device for anchor chain production, characterized in that: The anchor chain production end link welding device described in claim 6 is used. When the anchor chain end link needs to be welded, the specific method is divided into three parts: S1 anchor chain positioning, S2 anchor chain clamping and leveling, and S3 anchor chain end link alignment; S1: Anchor chain positioning. When the anchor chain is produced and hoisted, the anchor chain is moved to the upper end of the first limit frame (2). The subsequent movement will abut against the connecting rod (11). At this time, the second electric screw (23) is driven to drive the pull rod (10) to move inward, so that the connecting rod (11) is tilted under the drive of the anchor chain. The anchor chain is guided to the middle position to abut against the arc plate (12) by using this tilting structure. Then, when the connecting rod (11) is tilted to a certain angle, the anchor chain is lowered into the interior of the positioning tube (9) and passed through the interior of the first limit frame (2) to form a positioning. S2: Clamping and leveling of anchor chain; S2.1: After the anchor chain is positioned, one end of the anchor chain is placed inside the clamp seat (7), thereby driving the first electric screw (19). By utilizing the spiral connection between the first electric screw (19) and the outer support of the clamp seat (7), and the sliding connection between the other side and the support rod mechanism, the adjacent clamp seats (7) can be driven to move inward at the same time when the first electric screw (19) rotates. At this time, the chain links of the anchor chain can be clamped. At this time, the vertical chain links are clamped inside the grooves of the clamp seat (7), while the horizontal chain links are clamped by the end faces of the adjacent clamp seats (7); S2.2: After limiting one end of the anchor chain by the clamping seat (7), the built-in motor of the base (1) can be driven to drive the slide seat (4) to move outward, so as to stretch the anchor chain to a distance at one end, and then the anchor chain between the first limiting frame (2) and the second limiting frame (3) can be relaxed in two ways. One is to continuously lower the anchor chain to increase the length of the anchor chain, and the other is to retract the slide seat (4) to a distance at one end. After the anchor chain is relaxed, the electric rotating gear (18) can be driven to drive the outer gear (17) to rotate, thereby driving the second limiting frame (3) and the clamping seat (7) to rotate to adjust the placement direction of the end position of the anchor chain; S3: Aligning the end link of the anchor chain. After the anchor chain is adjusted to a predetermined placement angle, the electric telescopic rod (15) is driven to extend outward, which can drive the clamping plate (8) to move outward, thereby lifting the drooping part of the anchor chain upward until the clamping plate (8) is clamped on the outer side of one end of the end link of the anchor chain. At this time, the end of the chain link is away from the second limiting frame (3) to increase the operating space during welding, and is positioned in a horizontal state for welding.

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