Portable lifting hook device

Abstract

The portable lifting hook device comprises two first chains and a second chain which are connected with an explosion-proof motor, the second chain is located between the two first chains, the bottom ends of the first chains are connected with a supporting mechanism, and a hanging and taking mechanism is installed on the supporting mechanism. Limiting mechanisms are arranged on the hanging and taking mechanism and the supporting mechanism. The clamping plates are arranged on the connecting plates, the first nuts are screwed to be attached to the clamping plates so as to clamp the connecting plates, then the second nuts are screwed to be attached to the clamping plates so as to further reinforce limiting of the connecting plates and enable the hooks to be connected with the supporting plates, and therefore the effect of conveniently installing the hooks can be achieved, and the hooks of different sizes can be welded to the bottom ends of the different connecting plates by preparing the multiple connecting plates. The effect of using hooks of different sizes is achieved, the situation that the moving trolley is replaced is avoided, the connecting plate and the hooks can be detached only by unscrewing the first nut and the second nut and pulling out the second screw rod and the hook buckle, and detaching is convenient.

Description

Technical Field

[0001] The 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. Ships are vehicles that can sail or anchor in waters for transportation or operations. They have different technical performance, equipment and structural types according to different usage requirements.

[0003] Ships are man-made vehicles that mainly operate in geographical waters. In addition, civilian ships are generally called ships, military ships are called warships, and small ships are called boats or boats. They are generally called ships or boats. The interior mainly includes accommodation space, support structure and drainage structure, and has a propulsion system that uses external or self-contained energy. The appearance is generally a streamlined envelope that is conducive to overcoming fluid resistance. The materials are constantly updated with the advancement of science and technology. In the early days, they were natural materials such as wood, bamboo, and hemp. In modern times, they are mostly steel, aluminum, fiberglass, acrylic and various composite materials.

[0004] The device used to transport objects on the ship will adopt a lifting device to move the 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 for achieving the above-mentioned purpose is: a portable hook device, including two first chains and a second chain connected to an explosion-proof motor, the second chain is located between the two first chains, the bottom end of the first chain is connected to 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.

[0008] Preferably, the supporting mechanism includes a support plate, a top block, a first screw, a first nut, a through hole, a clamping plate 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 the first screw, the side walls of the first screw are threadedly connected to two first nuts, the side walls of the clamping plate are provided with transverse holes, the side walls of the clamping plate 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 clamping plate 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 with a hook, the top center of the hook is connected with a hanging ring, a second screw is inserted into the mounting hole, and the side wall of the second screw is threadedly connected with 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, the side walls on both sides of the support plate are connected to the fixing blocks, 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 other side wall of the 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, a hook is connected to the bottom end of the second chain, a circular hole is opened at the center point of the support plate, the side wall of the second chain passes through the circular hole, and the side wall of the hook is hooked and connected to 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 to 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 to clamp the connecting plate, and then screw the second nut to fit the clamping plate to further strengthen the limit on 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 clamping plates, 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, which is convenient for installing the connecting plate on the supporting 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, and after the hook is hooked on the hanging ring, align the limit slot with the limit plate, and turn the limit screw to make the two clamping rings push the limit plate downward. The limit plate pushes the guide rod 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, which is convenient for the clamping plate to clamp the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 It is a right view 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 a partial explosion structure of the present invention;

[0023] Figure 5 It is a cross-sectional right view 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] Fig. 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 directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on 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 in conjunction with the accompanying drawings.

[0032] Reference 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. A supporting mechanism 2 is connected to the bottom end of the first chain 1. A hanging mechanism 3 is installed on the supporting mechanism 2. A limiting mechanism 4 is arranged on the hanging mechanism 3 and the supporting mechanism 2.

[0033] Reference Figure 1-6The supporting mechanism 2 includes 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 of the support plate 201. The top of the support plate 201 is connected to two groups of two symmetrically distributed top blocks 202. The side walls of each group of top blocks 202 are connected to the 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 multiple through holes 205. The side walls of the first screw rod 203 slide through the through hole 205. The side walls of the support plate 201 slide through the transverse hole 207. The transverse hole 207 is located below the through hole 205. The clamping plate 206 is located on the inner side of the sandwich between the two first nuts 204.

[0034] Reference Figure 1-8 The hanging mechanism 3 includes 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. The side wall of the clamping plate 206 is provided with a plurality of mounting holes 301, the side wall of the connecting plate 302 is provided with a plurality of outer holes 303, the bottom end of the connecting plate 302 is connected with a hook 304, the top center of the hook 304 is connected with a hanging ring 305, the mounting hole 301 is inserted with a second screw 306, the side wall of the second screw 306 is threadedly connected with a second nut 307, the clamping plate 206 is located between the two second nuts 307, the mounting hole 301 is located below the horizontal hole 207, the bottom end of the second chain 5 is connected with a hook 6, the center point of the support plate 201 is provided with a circular hole 7, 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 with the hanging ring 305.

[0035] Put the connecting plate 302 between the two clamping plates 206, pass the hook 6 through the circular hole 7, and hook the hook 6 on the hanging ring 305, so that the second chain 5 can pull up the connecting plate 302 first, and use the limiting mechanism 4 to limit the position of the connecting plate 302, so that the connecting plate 302 always remains vertically downward, which is convenient for installing the connecting plate 302 on the supporting mechanism 2, and align the mounting hole 301 and the outer hole 303. At this time, pass the second screw 306 through the mounting hole 301 and the outer hole 303, and screw the second nut 307 on both ends of the second screw 306, and then use the transverse hole 207 to slide and connect with the support plate 201, push the two clamping plates 206 toward the center of the support plate 201, so that the clamping plates 206 clamp the connecting plate 302, and screw the first nut 204 to the clamping plates 206. The second nut 307 is then screwed into place with the clamping plate 206 to further strengthen the limit of the connecting plate 302 and connect the hook 304 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 situation of replacing the mobile cart. 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 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 with the fixing blocks 405 on both sides. 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. The side wall of one connecting hole 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, 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 a plurality of 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, and 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, so that the connecting plate 302 is fixed horizontally, so that the connecting plate 302 and the clamping plate 206 remain parallel. 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 the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions 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).

2. The portable hook device according to claim 1, characterized in that: 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 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).

3. The portable hook device according to claim 2, 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).

4. The portable hook device according to claim 2, characterized in that: 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 rod (306) and a second nut (307); the side wall of the clamping plate (206) is provided with a plurality of mounting holes (301); the side wall of the connecting plate (302) is provided with a plurality of outer holes (303); the bottom end of the connecting plate (302) is connected with a hook (304); the center of the top end of the hook (304) is connected with a hanging ring (305); the second screw rod (306) is inserted and connected in the mounting hole (301); the side wall of the second screw rod (306) is threadedly connected with a second nut (307).

5. The portable hook device according to claim 4, 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).

6. The portable hook device according to claim 4, characterized in that: 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 with a square hole (406). 07) is threadedly connected to a limit screw (403), and the side wall of the other connecting hole (407) is slidably connected to a guide rod (402). The side wall of the limit screw (403) is connected to two clamping rings (404). The side wall of the limit screw (403) passes through a limit plate (401). The top of the limit plate (401) is located between the two clamping rings (404). The top of the limit plate (401) is connected to a guide rod (402). The top of the connecting plate (302) is provided with two limit grooves (409), and the top of the connecting plate (302) is provided with a plurality of margin grooves (408).

7. The portable hook device according to claim 6, 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.

8. The portable hook device according to claim 4, characterized in that: The bottom end of the second chain (5) is connected with a hook (6), a circular hole (7) is opened 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 with the hanging ring (305).

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