Portable hook device

By designing a convenient hook device and utilizing a supporting mechanism and a limiting mechanism, convenient installation and disassembly of the hook is achieved, solving the problem of inconvenient hook replacement in the prior art and improving the flexibility and safety of the hook.

CN119240504BActive Publication Date: 2025-10-21SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
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Patent Information

Application Number
CN202411645577.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-10-21
Estimated Expiration
2044-11-18

AI Technical Summary

Technical Problem

The existing hook device is not easy to replace during use, and the mobile trolley needs to be replaced to adapt to the needs of different hooks, which leads to inconvenient operation and large size of the equipment.

Method used

A convenient hook device is designed, which includes two first chains, a supporting mechanism, a hanging mechanism and a limiting mechanism. The combination of screws and nuts can realize convenient installation and removal of the hook, and the second chain is used to improve safety.

Benefits of technology

The hook can be easily installed and removed, which avoids the need to replace the mobile trolley and improves the flexibility and safety of the hook.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a portable hook device, which comprises two first chains and a second chain connected with an explosion-proof motor, the second chain is located between the two first chains, the bottom end of the first chain is connected with a supporting mechanism, a hanging mechanism is installed on the supporting mechanism, and a limiting mechanism is arranged on the hanging mechanism and the supporting mechanism; a first nut is screwed to the clamping plate, thereby clamping the connecting plate, a second nut is screwed to the clamping plate, thereby further reinforcing the limiting of the connecting plate, the hook is connected with the supporting plate, thereby realizing the effect of conveniently installing the hook, a plurality of connecting plates are prepared, hooks of different sizes are welded at the bottom end of different connecting plates, the effect of using hooks of different sizes is realized, the situation of replacing the moving trolley is avoided, and the hook is detached, only the first nut and the second nut need to be unscrewed, the second screw rod and the hook buckle are pulled out, the connecting plate and the hook can be detached, and the hook is conveniently detached.
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Description

Technical Field

[0001] The present invention relates to the field of handling devices, in particular to a portable hook device. Background Art

[0002] Ship is a general term for various vessels. A ship is a means of transport that can sail or anchor in waters for transportation or operations. It has different technical performance, equipment and structural types according to different usage requirements.

[0003] A ship is a man-made vehicle that primarily operates in water. Civilian vessels are generally called ships, military vessels are called warships, and small vessels are called boats or boats. Collectively, they are referred to as ships or boats. Their interior primarily consists of a storage space, support structures, and drainage systems, along with a propulsion system that utilizes external or internal energy sources. Their exterior typically features a streamlined envelope that helps overcome fluid resistance. Materials have evolved with technological advancements, initially using natural materials such as wood, bamboo, and hemp. More recently, they have primarily employed steel, aluminum, fiberglass, acrylic, and various composite materials.

[0004] The device used to transport objects on ships will use a lifting device to move objects through mobile rails, mobile trolleys and hooks.

[0005] The hook is generally fixed to the mobile trolley by an iron chain, and the reel containing the iron chain is driven by an explosion-proof motor to control the up and down movement of the iron chain, thereby controlling the up and down movement of the hook, and the mobile trolley moves horizontally on the mobile rail frame, which can drive the hook to move horizontally. The fixed hook is not convenient to replace during use. When different hooks are needed to be connected, the mobile trolley needs to be replaced. The mobile trolley is large in size, so it is not convenient to replace the trolley. For this reason, a convenient hook device is needed to facilitate the replacement of the hook. Summary of the Invention

[0006] The object of the present invention is to provide a convenient hook device to overcome the defect that it is inconvenient to replace the hook.

[0007] The technical solution to achieve the above-mentioned purpose is: a portable hook device, comprising two first chains and a second chain connected to an explosion-proof motor, the second chain being located between the two first chains, the bottom end of the first chain being connected to a supporting mechanism, a hanging mechanism being installed on the supporting mechanism, and a limiting mechanism being provided on the hanging mechanism and the supporting mechanism.

[0008] Preferably, the supporting mechanism includes a support plate, a top block, a first screw, a first nut, a through hole, a splint and a transverse hole, the bottom end of the first chain is connected to the top end of the support plate, the top end of the support plate is connected to two groups of two symmetrically distributed top blocks, the side walls of each group of the top blocks are connected to a first screw, the side walls of the first screw are threadedly connected to two first nuts, the side walls of the splint are provided with a transverse hole, the side walls of the splint are provided with multiple through holes, the side walls of the first screw slide through the through holes, and the side walls of the support plate slide through the transverse holes.

[0009] Preferably, the transverse hole is located below the through hole, and the clamping plate is located inside the space between the two first nuts.

[0010] Preferably, the hanging mechanism includes a mounting hole, a connecting plate, an outer hole, a hook, a hanging ring, a second screw and a second nut. The side wall of the splint is provided with a plurality of mounting holes, the side wall of the connecting plate is provided with a plurality of outer holes, the bottom end of the connecting plate is connected to a hook, the top center of the hook is connected to a hanging ring, a second screw is inserted into the mounting hole, and the side wall of the second screw is threadedly connected to a second nut.

[0011] Preferably, the clamping plate is located between the two second nuts, and the mounting hole is located below the transverse hole.

[0012] Preferably, the limiting mechanism includes a limiting plate, a guide rod, a limiting screw, a clamping ring, a fixing block, a square hole, a connecting hole, a margin groove and a limiting groove, and the side walls on both sides of the support plate are connected to the fixing block, the top of the fixing block is provided with two connecting holes, the top of the fixing block is provided with a square hole, the side walls of the square hole are slidably connected to the limiting plate, one of the side walls of the connecting hole is threadedly connected to the limiting screw, and the side wall of the other connecting hole is slidably connected to the guide rod, the side wall of the limiting screw is connected to two clamping rings, the side wall of the limiting screw passes through the limiting plate, the top of the limiting plate is located between the two clamping rings, the top of the limiting plate is connected to the guide rod, the top of the connecting plate is provided with two limiting grooves, and the top of the connecting plate is provided with multiple margin grooves.

[0013] Preferably, the margin groove is located entirely below the connecting hole, the limiting groove is located directly below the square hole, and the horizontal symmetry axis of the limiting groove and the horizontal symmetry axis of the connecting plate are located in the same straight line.

[0014] Preferably, the bottom end of the second chain is connected with a hook, the center point of the support plate is provided with a circular hole, the side wall of the second chain passes through the circular hole, and the side wall of the hook is hooked and connected with the hanging ring.

[0015] The beneficial effects of the present invention are:

[0016] 1) Align the mounting hole and the outer hole. At this time, pass the second screw through the mounting hole and the outer hole, and screw the second nut on both ends of the second screw. Then, use the transverse hole to slide with the support plate, push the two clamping plates toward the center of the support plate, so that the clamping plate clamps the connecting plate, and screw the first nut to fit the clamping plate, thereby clamping the connecting plate, and then screw the second nut to fit the clamping plate, further strengthening the limit of the connecting plate, so that the hook is connected to the support plate, thereby achieving the effect of convenient installation of the hook. By preparing multiple connecting plates and welding hooks of different sizes at the bottom of different connecting plates, the effect of using hooks of different sizes can be achieved, avoiding the situation of replacing the mobile trolley. To disassemble the hook, you only need to unscrew the first nut and the second nut, pull out the second screw and the hook to disassemble the connecting plate and the hook, which is convenient for disassembly.

[0017] 2) Place the connecting plate between the two splints, pass the hook through the round hole, and hook the hook on the hanging ring, so that the second chain can pull up the connecting plate first, and use the limiting mechanism to limit the position of the connecting plate so that the connecting plate always remains vertically downward, making it easier to install the connecting plate on the support mechanism. The added second chain can further improve the pulling safety of the connecting plate and the hook.

[0018] 3) Place the connecting plate between the two clamping plates, pass the hook through the round hole, hook the hook on the hanging ring, align the limit slot with the limit plate, turn the limit screw to make the two clamping rings push the limit plate downward, and the limit plate pushes the guide rod downward to move downward, and the limit plate is inserted downward into the limit slot, thereby fixing the connecting plate horizontally and keeping the connecting plate parallel to the clamping plate, making it convenient for the clamping plate to clamp the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a right side structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixing block of the present invention;

[0022] Figure 4 It is a schematic diagram of the partial explosion structure of the present invention;

[0023] Figure 5 It is a cross-sectional right-side structural schematic diagram of the present invention;

[0024] Figure 6 It is a schematic diagram of a cross-sectional top view of the structure of the present invention;

[0025] Figure 7 It is a schematic diagram of the hook structure of the present invention;

[0026] Figure 8 It is a schematic diagram of the splint structure of the present invention;

[0027] Figure 9 yes Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0028] Figure Number:

[0029] 1. First chain; 2. Support mechanism; 201. Support plate; 202. Top block; 203. First screw; 204. First nut; 205. Through hole; 206. Clamp; 207. Horizontal hole; 3. Hanging mechanism; 301. Mounting hole; 302. Connecting plate; 303. External hole; 304. Hook; 305. Hanging ring; 306. Second screw; 307. Second nut; 4. Limiting mechanism; 401. Limiting plate; 402. Guide rod; 403. Limiting screw; 404. Clamp; 405. Fixing block; 406. Square hole; 407. Connecting hole; 408. Allowance slot; 409. Limiting slot; 5. Second chain; 6. Hook; 7. Round hole. DETAILED DESCRIPTION

[0030] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element 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. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0031] The present invention will be further described below with reference to the accompanying drawings.

[0032] Reference Attachment Figure 1-9 A convenient hook device includes two first chains 1 and a second chain 5 connected to an explosion-proof motor. The second chain 5 is located between the two first chains 1. The bottom end of the first chain 1 is connected to a supporting mechanism 2, and a hanging mechanism 3 is installed on the supporting mechanism 2. A limiting mechanism 4 is provided on the hanging mechanism 3 and the supporting mechanism 2.

[0033] Reference Attachment Figure 1-6The supporting mechanism 2 includes a support plate 201, a top block 202, a first screw 203, a first nut 204, a through hole 205, a splint 206 and a transverse hole 207. The bottom end of the first chain 1 is connected to the top of the support plate 201. The top of the support plate 201 is connected with two groups of two symmetrically distributed top blocks 202. The side walls of each group of top blocks 202 are connected with a first screw 203. The side walls of the first screw 203 are threadedly connected to two first nuts 204. The side walls of the splint 206 are provided with a transverse hole 207. The side walls of the splint 206 are provided with multiple through holes 205. The side walls of the first screw 203 slide through the through holes 205. The side walls of the support plate 201 slide through the transverse holes 207. The transverse holes 207 are located below the through holes 205. The splint 206 is located on the inner side of the sandwich between the two first nuts 204.

[0034] Reference Attachment Figure 1-8 The hook 305 is connected to the hook 306 at the top and the second nut 307 is connected to the hook 306 at the bottom.

[0035] After the first nut 204 is screwed to the support plate 206, the second nut 304 is screwed to the support plate 206, and the second nut 304 is screwed to the support plate 206. The second nut 307 is screwed to fit the clamping plate 206, thereby clamping the connecting plate 302, and then the second nut 307 is screwed to fit the clamping plate 206, further strengthening the limit of the connecting plate 302, so that the hook 304 is connected to the support plate 201, thereby achieving the effect of convenient installation of the hook 304. By preparing multiple connecting plates 302 and welding hooks 304 of different sizes at the bottom of different connecting plates 302, the effect of using hooks 304 of different sizes can be achieved, avoiding the need to replace the mobile trolley. To disassemble the hook 304, you only need to unscrew the first nut 204 and the second nut 307, and pull out the second screw 306 and the hook 6 to disassemble the connecting plate 302 and the hook 304, which is convenient for disassembly, and the added second chain 5 can further improve the pulling safety of the connecting plate 302 and the hook 304.

[0036] Reference Attachment Figure 2-9 The limiting mechanism 4 includes a limiting plate 401, a guide rod 402, a limiting screw 403, a clamping ring 404, a fixing block 405, a square hole 406, a connecting hole 407, a margin groove 408 and a limiting groove 409. The side walls of the support plate 201 are connected to the fixing blocks 405 on both sides. Two connecting holes 407 are provided at the top of the fixing block 405. A square hole 406 is provided at the top of the fixing block 405. The side wall of the square hole 406 is slidably connected to the limiting plate 401. The side wall of one of the connecting holes 407 is threadedly connected to the limiting screw 403, and the side wall of the other connecting hole 407 is slidably connected to the guide rod 402. The side wall of the limiting screw 403 is connected to two clamping rings 404, and the side wall of the limiting screw 403 passes through the limiting plate 401. The top of the limiting plate 401 is located between the two clamping rings 404. The top of the limiting plate 401 is connected to the guide rod 402. The top of the connecting plate 302 is provided with two limiting grooves 409. The top of the connecting plate 302 is provided with multiple margin grooves 408. The margin grooves 408 are located entirely below the connecting hole 407. The limiting groove 409 is located directly below the square hole 406. The horizontal symmetry axis of the limiting groove 409 is in the same straight line as the horizontal symmetry axis of the connecting plate 302. The limiting plate 401 is T-shaped.

[0037] After placing the connecting plate 302 between the two clamping plates 206, passing the hook 6 through the circular hole 7 and hooking the hook 6 on the hanging ring 305, align the limiting groove 409 with the limiting plate 401, and rotate the limiting screw 403 to make the two clamping rings 404 push the limiting plate 401 downward, and the limiting plate 401 pushes the guide rod 402 downward to move downward, and the limiting plate 401 is inserted downward into the limiting groove 409, thereby fixing the connecting plate 302 horizontally and keeping the connecting plate 302 parallel to the clamping plate 206. After the connecting plate 302 is fixed and stable, the limiting plate 401 can be pulled upward to withdraw from the limiting groove 409.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portable hook device comprising two first chains (1) and a second chain (5) connected to an explosion-proof motor, characterized in that: The second chain (5) is located between the two first chains (1); the bottom end of the first chain (1) is connected to a support mechanism (2); a hanging mechanism (3) is installed on the support mechanism (2); and a limiting mechanism (4) is provided on the hanging mechanism (3) and the support mechanism (2); The support mechanism (2) comprises a support plate (201), a top block (202), a first screw rod (203), a first nut (204), a through hole (205), a clamping plate (206) and a transverse hole (207); the bottom end of the first chain (1) is connected to the top end of the support plate (201); the top end of the support plate (201) is connected to two groups of two symmetrically distributed top blocks (202); the side walls of each group of the top blocks (202) are connected to a first screw rod (203); the side walls of the first screw rod (203) are threadedly connected to two first nuts (204); the side walls of the clamping plate (206) are provided with a transverse hole (207); the side walls of the clamping plate (206) are provided with a plurality of through holes (205); the side walls of the first screw rod (203) slide through the through holes (205); and the side walls of the support plate (201) slide through the transverse holes (207); The hanging mechanism (3) comprises a mounting hole (301), a connecting plate (302), an outer hole (303), a hook (304), a hanging ring (305), a second screw (306) and a second nut (307); a plurality of mounting holes (301) are provided on the side wall of the clamping plate (206); a plurality of outer holes (303) are provided on the side wall of the connecting plate (302); a hook (304) is connected to the bottom end of the connecting plate (302); a hanging ring (305) is connected to the top center of the hook (304); a second screw (306) is inserted into the mounting hole (301); and a second nut (307) is threadedly connected to the side wall of the second screw (306); The limiting mechanism (4) comprises a limiting plate (401), a guide rod (402), a limiting screw (403), a clamping ring (404), a fixing block (405), a square hole (406), a connecting hole (407), a margin groove (408) and a limiting groove (409). The side walls of both sides of the support plate (201) are connected to the fixing blocks (405). The top of the fixing block (405) is provided with two connecting holes (407). The top of the fixing block (405) is provided with a square hole (406). The side wall of the square hole (406) is slidably connected to the limiting plate (401). One of the connecting holes (407) is provided. 07) is threadedly connected to the limiting screw (403), and the side wall of the other connecting hole (407) is slidably connected to the guide rod (402). The side wall of the limiting screw (403) is connected to two clamping rings (404). The side wall of the limiting screw (403) passes through the limiting plate (401). The top of the limiting plate (401) is located between the two clamping rings (404). The top of the limiting plate (401) is connected to the guide rod (402). The top of the connecting plate (302) is provided with two limiting grooves (409), and the top of the connecting plate (302) is provided with a plurality of margin grooves (408).

2. The portable hook device according to claim 1, characterized in that: The transverse hole (207) is located below the through hole (205), and the clamping plate (206) is located inside the space between the two first nuts (204).

3. The portable hook device according to claim 1, characterized in that: The clamping plate (206) is located between the two second nuts (307), and the mounting hole (301) is located below the transverse hole (207).

4. The portable hook device according to claim 1, characterized in that: The margin groove (408) is located entirely below the connecting hole (407), the limiting groove (409) is located directly below the square hole (406), and the horizontal symmetry axis of the limiting groove (409) and the horizontal symmetry axis of the connecting plate (302) are located in the same straight line.

5. The portable hook device according to claim 1, characterized in that: The bottom end of the second chain (5) is connected to a hook (6), a circular hole (7) is provided at the center point of the support plate (201), the side wall of the second chain (5) passes through the circular hole (7), and the side wall of the hook (6) is hooked and connected to the hanging ring (305).

Citation Information

Patent Citations

  • Lifting hook for tower crane

    CN212222174U

  • Light crane with function of quickly disassembling and assembling lifting hook

    CN214298961U