A crane device

Abstract

The application discloses a crane device, which comprises a base, the base is provided with a top plate arranged in a spaced manner with the top of the hatch coaming and a side plate arranged in a spaced manner with the side of the hatch coaming, the base is slidable along the length direction of the hatch coaming; a plurality of guide structures for guiding the sliding of the base are arranged in a spaced manner between the top plate and the top of the hatch coaming, a plurality of support structures are arranged in a spaced manner on the side plate; a fixing structure for detachably and fixedly connecting the base and the hatch coaming is arranged at intervals between the plurality of support structures; a rotating shaft is vertically arranged on the base, the rotating shaft is fixedly connected with a vertically arranged hanger, and a manual lifting structure is connected with the hanger. The motor of the crane device does not need to be customized, the cost is avoided to be increased, the motor, the base and the rotating module can be combined and installed by using standard parts, and the crane device is convenient to disassemble and maintain.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ship technology, in particular to a crane device. BACKGROUND

[0002] In the daily operation process of a ship or an offshore platform facility, there are a large number of small load lifting situations due to equipment maintenance or operation needs. Although the existing crane can meet the lifting needs, the device is complex in structure, heavy in components, and is not conducive to on-site disassembly, transportation, carrying and moving, and has a large size and occupies a lot of space, so it cannot be used for lifting work in different lifting site spaces. SUMMARY

[0003] The purpose of the present application is to provide a crane device to solve the technical problem that the crane device in the prior art is complex in structure, heavy in components, not conducive to on-site disassembly, transportation, carrying and moving, and has a large size and occupies a lot of space, so it cannot be used for lifting work in different lifting site spaces.

[0004] In order to achieve the above-mentioned purpose, the present application provides a crane device, comprising a base, the base has a top plate arranged spaced apart from the top of the hatch coaming and a side plate arranged spaced apart from the side of the hatch coaming, the base can slide along the length direction of the hatch coaming;

[0005] A plurality of guide structures for guiding the sliding of the base are arranged spaced apart between the top plate and the top of the hatch coaming, and a plurality of support structures are arranged spaced apart on the side plate;

[0006] A fixing structure for detachably and fixedly connecting the base and the hatch coaming is further arranged at the interval between a plurality of the support structures;

[0007] A rotating shaft is vertically arranged on the base, the rotating shaft is fixedly connected with a vertically arranged lifting frame, and a manual lifting structure is connected to the lifting frame.

[0008] As a preferred scheme, the base is U-shaped and the base opening is downwardly spaced apart and covers the two sides of the hatch coaming, and the guide structure is arranged at the inner top of the base;

[0009] The side plate has two, and a plurality of support structures are arranged spaced apart on both of the side plates.

[0010] As a preferred scheme, the guide structure comprises a mounting shaft fixedly connected to the upper part of the base, and the mounting shaft passes through the interval between the top of the hatch coaming and the top of the base;

[0011] A liquid bearing roller is connected to the rotating shaft of the mounting shaft and is in contact with the top of the hatch coaming.

[0012] As a preferred embodiment, a first nut is installed at one end of the mounting shaft located outside the base;

[0013] One side of the mounting shaft is provided with a limiting sleeve whose two ends respectively abut against the liquid-receiving roller and the first nut.

[0014] As a preferred embodiment, the base has multiple openings on its side plates, and a bracket is fixedly connected to the side plate at the edge of the opening.

[0015] The support structure includes multiple lateral iron cores respectively disposed in one of the openings, one end of each lateral iron core abutting against the side of the hatch coaming, and the bracket is fixedly provided with fasteners that pass through the bracket and the lateral iron cores in sequence to fix the lateral iron cores.

[0016] As a preferred embodiment, the fastener is an adjusting bolt, which passes sequentially through the bracket on the upper side of the opening, the lateral iron core, and the bracket at the lower part of the opening, and a second nut is installed at the end of the adjusting bolt;

[0017] Adjusting shims are also installed on the adjusting bolts between the upper part of the lateral iron core and the bracket on the upper side of the opening.

[0018] As a preferred embodiment, the fixing structure includes a first ear plate fixed to the base, a second ear plate fixedly connected to the hatch coaming, the first ear plate and the second ear plate being detachably connected by a fastening bolt, and a third nut being detachably connected to the end of the fastening bolt.

[0019] As a preferred embodiment, the upper part of the hanger is bent horizontally, the manual lifting structure includes a steel pipe hinged to the upper end of the hanger, pulleys are provided on the hanger and at the end of the steel pipe, and a manual winch is provided at the lower part of the hanger;

[0020] A lifting rope is provided on the pulley. One end of the lifting rope passes through the pulley at the end of the steel pipe and connects downward to the hook. The other end of the lifting rope passes through the pulleys on the frame and is wound around the manual winch.

[0021] A hydraulic cylinder is also hinged to the hanger, and the extended end of the hydraulic cylinder is hinged to the steel pipe.

[0022] As a preferred embodiment, a sleeve is fixedly provided on the top exterior of the base, and the lower part of the rotating shaft passes through the sleeve;

[0023] The sleeve and the rotating shaft are rotatably connected by multiple bearings, and the rotating shaft is also equipped with a stop plate that abuts against the bearings.

[0024] As a preferred embodiment, the outer side of the sleeve is also connected to an elbow plate that is simultaneously fixedly connected to the base.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] The crane device of this application has a vertically rotating shaft on its base, and a vertically installed hanger is fixedly connected to the shaft. A manual lifting structure is connected to the hanger. The base can slide along the length of the hatch coaming, enabling lifting operations in different lifting positions. The manual lifting structure allows for manual operation of the lifting of objects, eliminating the need for hydraulic lifting cylinders and other components. This simplifies the overall structure of the crane device, reduces its footprint, and minimizes the number of components, making it easier to disassemble, transport, and move on-site.

[0027] The crane device described in this application has a simple structure, low cost, easy layout, small footprint, and can perform lifting operations throughout the entire ship. For example, it can be installed on the bulwark or open deck; it can be applied to the design of lifting small load objects (such as food and spare parts) when the ship is docked or moored. Attached Figure Description

[0028] Figure 1 This is a structural schematic diagram of the crane device of the present invention;

[0029] Figure 2 yes Figure 1 A schematic diagram of the manually lifted structure in the side view;

[0030] Figure 3 This is a schematic diagram of the connection between the hanger and the base;

[0031] Figure 4 yes Figure 1 EE view;

[0032] Figure 5 yes Figure 2 BB view in the middle;

[0033] Figure 6 yes Figure 5 CC view;

[0034] Figure 7 yes Figure 5 DD view in the middle.

[0035] In the figure, 1, base, 2, hatch coaming, 3, rotating shaft, 4, hanger, 5, mounting shaft, 6, liquid bearing roller, 7, first nut, 8, limiting sleeve, 9, support, 10, lateral core, 11, fastener, 12, second nut, 13, adjusting washer, 14, first ear plate, 15, second ear plate, 16, fastening bolt, 17, third nut, 18, steel pipe, 19, pulley, 20, hand winch, 21, lifting rope, 22, lifting hook, 23, hydraulic oil cylinder, 24, sleeve, 25, stop plate, 26, elbow plate. DETAILED DESCRIPTION

[0036] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. It should be understood that the terms "first", "second", etc. are used to describe various information in the present application, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information without departing from the scope of the present application.

[0038] As Figures 1 to 7 shown, the preferred embodiment of the crane device of the present application comprises a base having a top plate arranged in spaced relation to the top of the hatch coaming and a side plate arranged in spaced relation to the side of the hatch coaming, the base being slidable along the length direction of the hatch coaming; a rotating shaft is vertically rotatably arranged on the base, the rotating shaft being fixedly connected with a vertically arranged hanger, the hanger being connected with a manual lifting structure, the manual lifting structure being capable of lifting an object by manual operation, without the need to set hydraulic lifting oil cylinders and other components, so that the crane device has a simple structure, small overall size, small space occupation, and fewer components, which is beneficial to on-site disassembly, transportation, carrying and movement, and can be applied to lifting small load objects (such as food and spare parts, etc.) when the ship is berthed or parked.

[0039] The plurality of guiding structures are arranged between the top plate and the top of the hatch coaming, and the plurality of support structures are arranged on the side plates in a spaced manner; the space between the plurality of support structures is further provided with a fixing structure for detachably and fixedly connecting the base and the hatch coaming; in specific use, when lifting work at different lifting station spaces is needed, the fixing structure is disassembled, the base is moved along the hatch coaming to a target position, and in the sliding process, the guiding structure can facilitate the guiding sliding of the base, and the support structure is used for guiding and supporting the base in the sliding process, so as to avoid interference between the side surface of the base and the hatch coaming when the base slides, so as to realize the sliding of the base along the hatch coaming, the movement of the crane device at different stations, and the lifting of articles at different stations.

[0040] In the specific embodiments of the present application, the base is in a U shape, and the base opening is downwardly and spacedly covered on both sides of the hatch coaming, the upper part and the side surface of the inner wall of the base have a space with the hatch coaming, and the guiding structure is arranged on the inner top of the base; the side plates are two, that is, the two side edges of the U-shaped base, and the plurality of support structures are arranged on the two side plates in a spaced manner, so as to have a lateral guiding effect when the base slides along the hatch coaming.

[0041] Specifically, the guiding structure comprises a mounting shaft fixedly connected to the upper part of the base, the mounting shaft can be a mounting bolt, the mounting shaft passes through the space between the side wall of the base and the inner top of the base from the outside in sequence, and the mounting shaft is provided with a first nut; a liquid bearing roller is connected to the mounting shaft and abuts against the top of the hatch coaming, and in the sliding movement of the base, the liquid bearing roller can roll along the top of the hatch coaming to realize the guiding effect of the base.

[0042] Further, a limiting sleeve is arranged on one side of the mounting shaft and abuts against the liquid bearing roller and the first nut at two ends; in specific installation, a mounting hole is reserved on the side plate of the base for the passage of the mounting shaft, the liquid bearing roller and the mounting shaft are rotatably connected through a bearing; a step can be arranged on the mounting shaft, one end of the liquid bearing roller abuts against the step, and the other end abuts against the limiting sleeve, so as to realize the limiting of the liquid bearing roller.

[0043] The plurality of openings are arranged on the side plates of the base, and the side plates on the edges of the openings are fixedly connected with supports; the supports can be welded and fixed with the side plates. The support structure comprises a plurality of lateral cores arranged in the openings respectively, one end of each lateral core abuts against the side surface of the hatch coaming, and the supports are fixedly provided with fasteners which pass through the supports and the lateral cores in sequence to fix the lateral cores. The lateral core abuts against the side surface of the hatch coaming, and since the lateral core is fixed on the base by the fastener, when the base moves, the end of the lateral core contacts the hatch coaming, so that the distance between the side surface of the base and the side surface of the hatch coaming is constant, and the stable sliding of the base is realized.

[0044] Further, in the specific embodiments of the present application, weight-reducing holes or grooves can be reserved on the lateral core according to requirements on the basis of meeting the support and guiding functions.

[0045] Further, in the specific embodiments of the present application, the fastener is specifically an adjusting bolt, the adjusting bolt sequentially passes through the bracket on the upper side of the opening, the lateral core, and the bracket on the lower part of the opening, and the end of the adjusting bolt is provided with a second nut; the fastener is used for fixing the lateral core. An adjusting washer is further arranged on the adjusting bolt between the upper part of the lateral core and the bracket on the upper side of the opening, and is used for adjusting the interval between the two brackets on the upper and lower sides of the opening, thereby facilitating the fixing of the lateral core.

[0046] In the specific embodiments of the present application, the fixing structure includes a first ear plate fixed on the base, and a second ear plate fixedly connected on the hatch coaming. The first ear plate and the second ear plate are detachably connected through a fastening bolt, and the end of the fastening bolt is detachably connected with a third nut. Specifically, the first ear plate and the second ear plate each include two integrally formed connecting plates with an L-shaped cross section. One connecting plate of the first ear plate is fixedly connected with the base by welding, and the other connecting plate of the second ear plate is fixedly connected with the hatch coaming by welding. A plurality of second ear plates are arranged on the sliding track of the base. The other connecting plate of the first ear plate and the other connecting plate of the second ear plate are arranged in parallel and spaced apart from each other. The fastening bolt passes through the two connecting plates in a vertical direction, and the end of the fastening bolt is positioned by the third nut. Therefore, the detachable fixing structure can fix the base when the base is moved to a target position.

[0047] In the specific embodiments of the present application, the upper part of the hanger is horizontally bent, and the manual lifting structure includes a steel pipe hinged to the upper end of the hanger. Pulleys are arranged on the hanger, the end of the steel pipe, and the steel pipe. A hand-operated winch is arranged on the lower part of the hanger. A lifting rope is arranged on the pulleys. One end of the lifting rope passes through the pulley on the end of the steel pipe and is connected to a lifting hook downward. The other end of the lifting rope sequentially passes through the pulleys on the steel pipe and the hanger and is wound on the hand-operated winch. A hydraulic oil cylinder is further hinged to the hanger. The extending end of the hydraulic oil cylinder is hinged to the steel pipe. The hydraulic oil cylinder is inclined upward. The steel pipe can be driven to rotate by the hydraulic oil cylinder to adjust the lifting height. The lifting hook can be driven to move up and down by the hand-operated winch to lift the object. The hand-operated winch has a small lifting weight and is used to lift small load objects.

[0048] In the specific embodiments of the present application, the top part of the base is externally fixed with a sleeve, and the lower part of the rotating shaft passes through the sleeve. The sleeve and the rotating shaft are rotatably connected through a plurality of bearings to realize the rotation of the rotating shaft. A stop plate abutting against the bearings is further arranged on the rotating shaft to avoid the movement of the bearings and the sleeve.

[0049] Further, the outer side of the sleeve is also connected with the elbow plate which is fixedly connected with the base. The elbow plate is arranged at intervals along the circumference of the sleeve and has at least four; the elbow plate is arranged in a triangular shape, one side of the elbow plate is welded and fixed on the outer side of the sleeve, and the ground of the elbow plate is welded and fixed with the base.

[0050] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and replacements without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A crane apparatus, characterized by The base is provided with a top plate spaced from the top of the hatch coaming and side plates spaced from the sides of the hatch coaming, and the base is slidable along the length of the hatch coaming; A plurality of guide structures are provided between the top plate and the top of the hatch coaming for guiding the sliding of the base, and a plurality of support structures are provided on the side plates; A plurality of fixing structures are provided between the support structures for detachably fixing the base and the hatch coaming; A rotating shaft is vertically arranged on the base, and a vertically arranged hanger is fixedly connected to the rotating shaft, and a manual lifting structure is connected to the hanger; The base is U-shaped, and the opening of the base is downwardly and spacedly covered on both sides of the hatch coaming, and the guide structures are arranged on the inside top of the base; The side plates are provided with a plurality of support structures; A plurality of openings are provided on the side plates of the base, and a bracket is fixedly connected to the side plate on the edge of the opening; The support structure comprises a plurality of lateral iron cores arranged in one opening respectively, one end of each lateral iron core abuts against the side of the hatch coaming, and the bracket is fixedly provided with a fastener which passes through the bracket and the lateral iron core in sequence to fix the lateral iron core.

2. Crane arrangement according to claim 1, characterized in that The guide structure comprises a mounting shaft fixedly connected to the upper part of the base, and the mounting shaft passes through the space between the top of the hatch coaming and the top of the base; A liquid- bearing roller is connected to the mounting shaft through a rotating shaft.

3. Crane arrangement according to claim 2, characterized in that A first nut is mounted on one end of the mounting shaft outside the base; A limiting sleeve is provided on one side of the mounting shaft, and the two ends of the limiting sleeve abut against the liquid-bearing roller and the first nut respectively.

4. Crane arrangement according to claim 1, characterized in that The fastener is an adjusting bolt which passes through the bracket on the upper side of the opening, the lateral iron core and the bracket on the lower part of the opening in sequence, and a second nut is mounted on the end of the adjusting bolt; An adjusting washer is mounted on the adjusting bolt between the upper part of the lateral iron core and the bracket on the upper side of the opening.

5. Crane arrangement according to claim 1, characterized in that The fixing structure comprises a first ear plate fixed to the base, a second ear plate fixedly connected to the hatch coaming, and the first ear plate and the second ear plate are detachably connected through a fastening bolt, and a third nut is detachably connected to the end of the fastening bolt.

6. Crane arrangement according to claim 1, characterized in that The upper part of the hanger is horizontally bent, the manual lifting structure comprises a steel pipe hinged to the upper end of the hanger, and a pulley is arranged on the end of the steel pipe and the hanger, and a manual winch is arranged on the lower part of the hanger; A lifting rope is arranged on the pulley, one end of the lifting rope passes through the pulley on the end of the steel pipe and is connected to a lifting hook downwardly, and the other end of the lifting rope passes through the pulley on the hanger in sequence and is wound on the manual winch; A hydraulic oil cylinder is also hinged to the hanger, and the extending end of the hydraulic oil cylinder is hinged to the steel pipe.

7. Crane arrangement according to claim 1, characterized in that A sleeve is fixedly arranged on the outside of the top of the base, and the lower part of the rotating shaft passes through the sleeve; The sleeve and the rotating shaft are rotatably connected through a plurality of bearings, and a stop plate abutting against the bearings is mounted on the rotating shaft.

8. Crane arrangement according to claim 7, characterized in that An elbow plate is connected to the outside of the sleeve and fixedly connected to the base.

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