Marine crane hook structure

Abstract

The utility model discloses a marine crane hook structure, which comprises a hook mechanism and a plugging mechanism, the hook mechanism comprises a fixed block, the bottom end of the fixed block is fixedly provided with a hook body, the center of the inside of the fixed block is provided with a cavity, and the left side and the right side of the cavity are respectively provided with a first telescopic groove and a second telescopic groove. According to the device, after goods are hung on the hook body of the lifting hook, the bottom end of the plug pin can be inserted into the through hole through operation of the driving assembly and the transmission assembly, so that the goods can be sealed among the fixing block, the hook body and the plug pin, and the goods can be conveniently and rapidly hung on the hook body of the lifting hook. As long as the hook body and the bolt are not broken, goods cannot fall off, and compared with a tongue piece matched with a torsional spring for sealing, the anti-falling hook is higher in strength, not prone to deformation, good in reliability and stable in anti-falling effect.

Description

Technical Field

[0001] The utility model relates to the technical field of crane hooks, in particular to a ship crane hook structure. Background Art

[0002] The hook is an essential lifting device on a ship crane. The hook is often suspended on the wire rope of the lifting mechanism with the help of a pulley block and other components. The hook is a semi-enclosed structure, which is easy to use and simple to operate. Because the hook is a semi-enclosed structure, when operating on a ship, it is easy for the cargo hung on the hook to slip out due to the shaking of the hull, which will not only damage the cargo, but also may cause safety accidents. Therefore, the existing ship crane hooks are all equipped with an anti-unhooking function.

[0003] The anti-unhooking function of the existing marine crane hook relies on a tongue piece hinged to the hook and a torsion spring. The torsion spring cooperates with the tongue piece to seal the opening of the hook to achieve anti-unhooking. However, the tongue piece has low strength and is easily deformed during use. The elasticity of the torsion spring will decrease after repeated use, resulting in poor reliability and unstable anti-unhooking effect. In addition, this structure reduces the space inside the hook and limits the cargo to be hoisted. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems and / or the problems existing in the prior art, the present utility model is proposed.

[0006] Therefore, the technical problem to be solved by the utility model is that when the traditional crane hook lifts the goods, there is a risk of falling off easily, and the anti-falling effect is poor.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a hook structure for a marine crane, comprising a hook mechanism and a blocking mechanism, wherein the hook mechanism comprises a fixed block, a hook body is fixedly mounted at the bottom end of the fixed block, a cavity is opened at the center of the fixed block, a first telescopic groove and a second telescopic groove are respectively opened on the left and right sides of the cavity, and a through hole is opened at the right end of the hook body;

[0008] The blocking mechanism includes a latch slidably connected in the second telescopic slot, the left end of the latch is fixedly connected to a connecting plate, the left end of the connecting plate is transmission-connected to a transmission assembly, and the left end of the transmission assembly is transmission-connected to a drive assembly.

[0009] As a preferred solution of the ship crane hook structure of the utility model, the transmission assembly includes a rotating shaft rotatably connected to the middle of the cavity, a gear is fixedly installed on the outer surface of the rotating shaft, the left end of the gear is meshedly connected to the first tooth plate, the right end of the gear is meshedly connected to the second tooth plate, and the first tooth plate is arranged at the lower left of the second tooth plate.

[0010] As a preferred solution of the ship crane hook structure of the utility model, the driving assembly includes an electric cylinder fixedly installed inside the fixed block and located directly below the first telescopic slot, the electric cylinder is movably connected to a telescopic rod inside, the top end of the telescopic rod passes through the inner wall of the fixed block and extends to the first telescopic slot and is fixedly connected to a push plate.

[0011] As a preferred solution of the ship crane hook structure of the utility model, the push plate is slidably connected in the first telescopic groove, and the right end of the push plate is fixedly connected to the left side wall of the first tooth plate, and the connecting plate is slidably connected in the second telescopic groove, and the left end of the connecting plate is fixedly connected to the right side wall of the second tooth plate.

[0012] As a preferred solution of the hook structure of the marine crane of the utility model, the front and rear ends of the rotating shaft are rotatably connected to the front wall and the rear wall of the fixed block respectively through bearings.

[0013] As a preferred solution of the ship crane hook structure of the utility model, the diameter of the latch is smaller than the diameter of the through hole, and the bottom end of the latch passes through the inner bottom wall of the fixing block and extends to the bottom thereof.

[0014] The beneficial effects of the utility model are as follows: in this device, after the cargo is hung on the hook body, the transmission assembly is driven to operate by the arranged driving assembly, and the second tooth plate in the transmission assembly can drive the latch to move vertically downward, and when the bottom end of the latch is inserted into the through hole, the opening on the right side of the hook body can be blocked, so that the cargo can be enclosed between the fixed block, the hook body and the latch, and the cargo will not fall off as long as the hook body and the latch do not break. Compared with the tongue piece and the torsion spring for closing, the design of this structure has higher strength, is not easy to deform, has better reliability, and has a stable anti-falling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a side view of the utility model;

[0018] Figure 3 It is a top sectional view of the fixing block of the utility model;

[0019] Figure 4 It is a bottom view of the utility model. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Example

[0025] Reference Figures 1 to 4The present embodiment provides a hook structure for a marine crane, including a hook mechanism 100 and a blocking mechanism 200. The hook mechanism 100 includes a fixed block 101, a hook body 102 is fixedly mounted at the bottom end of the fixed block 101, a wire rope connecting buckle 103 is hinged at the top end of the fixed block 101, a cavity 101a is provided at the center of the fixed block 101, a first telescopic groove 101b and a second telescopic groove 101c are respectively provided on the left and right sides of the cavity 101a, and a through hole 102a is provided at the right end of the hook body 102; the blocking mechanism 200 includes a latch 201 slidably connected to the second telescopic groove 101c, a connecting plate 202 is fixedly connected to the left end of the connecting plate 202, a transmission assembly 203 is transmission-connected to the left end of the connecting plate 202, and a driving assembly 204 is transmission-connected to the left end of the transmission assembly 203.

[0026] The cavity 101a, the first telescopic slot 101b and the second telescopic slot 101c provided inside the fixed block 101 provide space for the installation and subsequent operation of the drive assembly 204 and the transmission assembly 203. The hook body 102 provided at the bottom of the fixed block 101 is similar to the hook structure in the prior art and can be used to hang goods. The inner diameter of the through hole 102a provided at the bottom of the hook body 102 is slightly larger than the diameter of the latch 201. Therefore, when the goods are hung on the hook body 102, the transmission assembly 204 is driven by the provided drive assembly 204. When the component 203 is running, the transmission component 203 can drive the pin 201 to move vertically downward. When the bottom end of the pin 201 is inserted into the through hole 102a, the opening on the right side of the hook body 102 can be blocked, so that the goods can be enclosed between the fixed block 101, the hook body 102 and the pin 201. As long as the hook body 102 and the pin 201 are not broken, the goods will not fall off. Compared with the tongue piece and the torsion spring for sealing, the design of this structure has higher strength, is not easy to deform, has better reliability, and has a stable anti-falling effect.

[0027] Specifically, the transmission assembly 203 includes a rotating shaft 203a rotatably connected to the middle of the cavity 101a, a gear 203b is fixedly installed on the outer surface of the rotating shaft 203a, the left end of the gear 203b is meshedly connected to the first tooth plate 203c, the right end of the gear 203b is meshedly connected to the second tooth plate 203d, and the first tooth plate 203c is arranged at the lower left of the second tooth plate 203d, wherein the gear 203b is connected to the middle of the cavity 101a by the rotating shaft 203a for hanging rotation, when the first tooth plate 203c on the left side moves vertically upward, the first tooth plate 203c can drive the second tooth plate 203d on the right side to move vertically downward through the gear 203b, and similarly, when the first tooth plate 203c moves vertically downward, the second tooth plate 203d can move vertically upward.

[0028] Furthermore, the driving assembly 204 includes an electric cylinder 204a fixedly installed inside the fixed block 101 and located directly below the first telescopic slot 101b (the specific structure of the prior art is not repeated here), the electric cylinder 204a is internally movably connected with a telescopic rod 204b, the top of the telescopic rod 204b penetrates the inner wall of the fixed block 101 and extends to the first telescopic slot 101b and is fixedly connected with a push plate 204c, the push plate 204c is slidably connected in the first telescopic slot 101b, and the right end of the push plate 204c is fixedly connected to the left side wall of the first tooth plate 203c, the connecting plate 202 is slidably connected in the second telescopic slot 101c, and the left end of the connecting plate 202 is fixedly connected to the right side wall of the second tooth plate 203d.

[0029] Preferably, the front and rear ends of the rotating shaft 203a are rotatably connected to the front wall and the rear wall of the fixed block 101 respectively through bearings 203e. The set bearings 203e can limit and fix the rotating shaft 203a. At the same time, due to the characteristics of the bearings 203e themselves, the rotating shaft 203a can rotate more smoothly to avoid jamming and affect the normal operation of the transmission assembly 203.

[0030] To sum up, the working principle of the device is as follows: when the cargo is completely hung on the hook body 102, the electric cylinder 204a is started, the electric cylinder 204a can drive the telescopic rod 204b to move vertically upward, the telescopic rod 204b can drive the push plate 204c to move vertically upward, the push plate 204c can drive the first tooth plate 203c on the right side to move vertically upward, the first tooth plate 203c can drive the second tooth plate 203d on the right side to move vertically downward through the gear 203b, the second tooth plate 203d can drive the latch 201 to move vertically downward through the connecting plate 202 on the right, and when the bottom surface of the second tooth plate 203d is against the inner bottom wall of the cavity 101a, the bottom end of the latch 201 can be inserted into the through hole 102a, thereby achieving the blocking of the right side opening of the hook body 102.

[0031] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0032] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0033] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A hook structure for a marine crane, characterized in that: include, The hook mechanism (100) comprises a fixed block (101), a hook body (102) is fixedly mounted at the bottom end of the fixed block (101), a wire rope connecting buckle (103) is hingedly connected to the top end of the fixed block (101), a cavity (101a) is provided at the center of the fixed block (101), a first telescopic groove (101b) and a second telescopic groove (101c) are respectively provided on the left and right sides of the cavity (101a), and a through hole (102a) is provided at the right end of the hook body (102); and, The blocking mechanism (200) comprises a latch (201) slidably connected in the second telescopic slot (101c); the left end of the latch (201) is fixedly connected to a connecting plate (202); the left end of the connecting plate (202) is transmission-connected to a transmission assembly (203); and the left end of the transmission assembly (203) is transmission-connected to a drive assembly (204).

2. The hook structure of a marine crane according to claim 1, characterized in that: The transmission assembly (203) comprises a rotating shaft (203a) rotatably connected to the middle part of the cavity (101a), a gear (203b) is fixedly mounted on the outer surface of the rotating shaft (203a), the left end of the gear (203b) is meshedly connected to a first tooth plate (203c), the right end of the gear (203b) is meshedly connected to a second tooth plate (203d), and the first tooth plate (203c) is arranged at the lower left of the second tooth plate (203d).

3. The hook structure of a marine crane according to claim 2, characterized in that: The driving assembly (204) comprises an electric cylinder (204a) fixedly mounted inside the fixed block (101) and located directly below the first telescopic slot (101b); a telescopic rod (204b) is movably connected inside the electric cylinder (204a); a top end of the telescopic rod (204b) penetrates the inner wall of the fixed block (101) and extends into the first telescopic slot (101b) and is fixedly connected to a push plate (204c).

4. The hook structure of a marine crane according to claim 3, characterized in that: The push plate (204c) is slidably connected in the first telescopic groove (101b), and the right end of the push plate (204c) is fixedly connected to the left side wall of the first tooth plate (203c); the connecting plate (202) is slidably connected in the second telescopic groove (101c), and the left end of the connecting plate (202) is fixedly connected to the right side wall of the second tooth plate (203d).

5. The hook structure of a marine crane according to claim 4, characterized in that: The front and rear ends of the rotating shaft (203a) are rotatably connected to the front wall and rear wall of the fixed block (101) respectively through bearings (203e).

6. The hook structure of a marine crane according to claim 5, characterized in that: The diameter of the latch pin (201) is smaller than the diameter of the through hole (102a), and the bottom end of the latch pin (201) penetrates the inner bottom wall of the fixing block (101) and extends to the bottom thereof.

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