CN111908190B

CN111908190B - Unloading device for ship

Info

Publication number: CN111908190B
Application number: CN202010928744.5A
Authority: CN
Inventors: 范俊杰; 付宗国
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-11-19
Anticipated expiration: 2040-09-07
Also published as: CN111908190A

Abstract

The invention relates to the technical field of ships, and particularly provides a ship unloading device which comprises a moving platform, a lifting platform and a cargo platform, wherein the bottom of the lifting platform is arranged on the moving platform, the lifting platform can drive the cargo platform to ascend or descend, the lifting platform comprises a stand column, a sliding seat and a driving mechanism, the stand column penetrates through the sliding seat and is in sliding connection with the sliding seat, the driving mechanism is fixed at the top of the stand column, the driving mechanism can drive the sliding seat to do linear reciprocating motion along the stand column, the cargo platform comprises a goods shelf, a connecting rod and clamping pieces, the clamping pieces are respectively fixed on the goods shelf through the connecting rod, and a spring is further arranged between the goods shelf and the clamping pieces. The setting up of lift platform makes cargo platform can load and unload the difference in height of goods as required and carry out the altitude mixture control, and cargo platform's setting makes the goods that need load and unload on the boats and ships deck can be stable put, is equipped with the holder on the cargo platform simultaneously, can carry out the centre gripping to the goods fixed, avoids the goods to skid and drops.

Description

Unloading device for ship

Technical Field

The invention relates to the technical field of ships, in particular to an unloading device for a ship.

Background

At present, whether goods are loaded and unloaded from a ship or the goods on the ship are transported and moved, the loading and unloading of the goods on the ship are complicated, the goods are carried by workers, machines and other machines, the time and labor are consumed in manual carrying, most of the goods carried by the machines are carried by using forklift trucks, the cost is high, additional cost is required, and some hoisting and unloading devices are arranged on the ship.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the invention provides an unloading device for a ship, which aims to solve the problems that the loading, unloading and carrying of ship cargos are laborious and the ship is prone to swing and collide caused by the influence of the ship.

The technical scheme adopted by the invention for solving the technical problems is as follows: an unloading device for ships comprises a moving platform, a lifting platform and a cargo platform, wherein the bottom of the lifting platform is arranged on the moving platform, the lifting platform can drive the cargo platform to ascend or descend, the lifting platform comprises a stand column, a sliding seat and a driving mechanism, the stand column penetrates through the sliding seat and is in sliding connection with the sliding seat, the driving mechanism is fixed at the top of the stand column, one end of the driving mechanism penetrates through the sliding seat and is in threaded fit with the sliding seat, the driving mechanism can drive the sliding seat to do linear reciprocating motion along the stand column, the cargo platform comprises a cargo rack, a connecting rod and two clamping pieces, the two clamping pieces are respectively fixed on the cargo rack through the connecting rod, and the two ends of the connecting rod are respectively hinged to one clamping piece and one side of the cargo rack, a gap is reserved between the two clamping pieces, and a spring is also arranged between the goods shelf and the clamping pieces.

Preferably, the mobile platform comprises a trolley, a slideway and a base, the slideway is mounted on the trolley, the base is clamped in the slideway, the base can slide along the slideway, and the upright is fixed on the base.

Preferably, the cargo platform passes through the lifting device with the lift platform is connected, the lifting device is including erecting roof beam, crossbeam and lifting motor, it is equipped with two to erect the roof beam, the both sides of crossbeam are slidable mounting respectively one erect on the roof beam, drive screw is equipped with to the output of lifting motor, and drive screw is on a parallel with perpendicular roof beam length direction and sets up in the inside of erecting the roof beam, and drive screw passes the crossbeam and with crossbeam screw-thread fit, erect the roof beam and connect the slide.

Preferably, the sliding base and the vertical beam are connected by an extension plate, the extension plate is "Z" -shaped, the upper part of the extension plate is fixed on the sliding base, the vertical beam is installed below the extension plate, and the extension plate and the upright post form an "n" -shaped structure.

Preferably, one end of the clamping piece in the advancing direction of the trolley is provided with an arc-shaped bend facing the outer side of the goods shelf.

Preferably, the driving mechanism comprises a driving motor and a screw rod, the driving motor is installed at the top end of the upright post, the screw rod is connected with an output shaft of the driving motor through a coupler, and the screw rod is in threaded fit with the sliding seat.

Preferably, the trolley is further provided with brake casters, the base is further provided with a locking hand wheel, the locking hand wheel penetrates through the base and then is in sliding contact with the base, and the locking hand wheel is in threaded connection with the base.

The cargo platform has the advantages that the lifting platform and the cargo platform are arranged, the cargo platform can be adjusted in height according to different heights of cargoes to be loaded and unloaded as required through the arrangement of the lifting platform, the cargo platform is more labor-saving and convenient to carry, cargoes to be loaded and unloaded on a ship deck can be more stably placed through the arrangement of the cargo platform, meanwhile, the cargo platform is provided with the clamping piece, the cargoes can be clamped and fixed, and the cargoes are prevented from slipping and falling.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a preferred embodiment of the unloading device for a ship according to the invention;

fig. 2 is a schematic view of the working state of the unloading device for the ship according to the invention;

fig. 3 is a schematic view of the structure of the cargo platform and lifting device of the unloading device for a ship according to the invention;

fig. 4 is a top view of a cargo platform of the cargo unloading device for a ship according to the present invention.

In the figure, 1, a moving platform, 2, a lifting platform, 3, a cargo platform, 4, a lifting device, 201, a stand column, 202, a sliding seat, 203, a driving mechanism, 204, an extension plate, 301, a goods shelf, 302, a connecting rod, 303, a clamping piece, 304, a spring, 305, an arc-shaped bend, 401, a vertical beam, 402, a cross beam, 403, a lifting motor, 2031, a driving motor, 2032, a screw rod, 101, a trolley, 102, a slideway, 103, a base, 104, a brake caster, 105 and a locking hand wheel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 4, the present invention provides an embodiment of a ship unloading device, including a moving platform 1, a lifting platform 2 and a cargo platform 3, wherein the bottom of the lifting platform 2 is disposed on the moving platform 1, the lifting platform 2 can drive the cargo platform 3 to ascend or descend, the lifting platform 2 includes an upright column 201, a sliding base 202 and a driving mechanism 203, the upright column 201 passes through the sliding base 202 and is slidably connected with the sliding base 202, the driving mechanism 203 includes a driving motor 2031 and a screw 2032, the driving motor 2031 is mounted at the top end of the upright column 201, the screw 2032 is connected with an output shaft of the driving motor 2031 through a coupling, the screw 2032 is in threaded fit with the sliding base 202, the driving mechanism 203 can drive the sliding base 202 to make a linear reciprocating motion along the upright column 201, the cargo platform 3 includes a goods shelf 301, a connecting rod 302 and two clamping members 303, the two clamping members 303 are respectively fixed on the goods shelf 301 through a connecting rod 302, the two ends of the connecting rod 302 are respectively hinged to one of the clamping members 303 and one side of the goods shelf 301, a gap is reserved between the two clamping members 303, a spring 304 is further arranged between the goods shelf 301 and the clamping members 303, and an arc-shaped bend 305 facing the outer side of the goods shelf 301 is arranged at one end of the clamping members 303 in the advancing direction of the trolley 101. When carrying goods, can place goods on goods platform 3, the arc 305 setting of buckling on the holder 303, can play the guide effect, make goods can get into between two holders 303, spring 304 between holder 303 and the goods shelves 301 produces deformation this moment, contained angle between holder 303 and the connecting rod 302 also changes along with the extrusion of goods, make the distance between two holders 303 and the goods shelves reduce, increase the distance between two holders 303, make holder 303 can adapt to the goods of equidimension not and press from both sides tightly the goods, avoid the goods to drop at the removal in-process.

Cargo platform 3 passes through lifting device 4 and is connected with lift platform 2, and lifting device 4 is including erecting roof beam 401, crossbeam 402 and lifting motor 403, erects roof beam 401 and is equipped with two, and the both sides of crossbeam 402 are slidable mounting respectively on erecting roof beam 401, and drive screw is equipped with to lifting motor 403's output, and drive screw is on a parallel with and erects the inside that roof beam length direction set up at erecting the roof beam, and drive screw passes crossbeam 402 and with crossbeam 402 screw-thread fit, erects roof beam 401 and connects slide 202. When the lifting device 4 works, the lifting motor 403 drives the cross beam 402 to ascend or descend along the vertical beam 401, so that the lifting platform 2 installed on the cross beam 402 is driven to ascend or descend, the lifting device 4 is arranged, so that the height of the lifting platform 2 can be adjusted according to the height of the goods when the lifting platform 2 loads and unloads the goods, and the goods are conveniently loaded and unloaded from the lifting platform 2.

The sliding base 202 and the vertical beam 401 are connected by an extension plate 204, the extension plate 204 is Z-shaped, the upper part of the extension plate 204 is fixed on the sliding base 202, the vertical beam 401 is arranged below the extension plate 204, and the extension plate 204 and the upright column 201 form a U-shaped structure. The side of the extension plate 204 where the vertical beam 401 is installed is located in front of the mobile platform 1, when the cargo needs to be unloaded from the deck, the mobile platform 1 is moved to the edge of the deck, at this time, the extension plate 204, the lifting device 4 and the cargo platform 3 installed on the extension plate 204 all extend out of the deck, then the sliding base 202 is driven by the driving motor 2031 to move downwards along the upright column 201, at this time, the cargo platform 3 outside the deck moves downwards along with the extension plate 204, the n-shaped structure formed between the extension plate 204 and the upright column 201 can avoid the collision between the extension plate 204 and the hull in the descending process, through the arrangement of the extension plate 204, so that when the deck is higher than the dock, the cargo platform 3 installed on the extension plate 204 can be adjusted to the height flush with the dock as required, and the cargo unloading is convenient.

The mobile platform 1 includes a cart 101, a slide 102, and a base 103, the slide 102 is mounted on the cart 101, the base 103 is engaged with the slide 102, the base 103 can slide along the slide 102, and a column 201 is fixed to the base 103. The arrangement of the base 103 and the slideway 102 allows the cargo platform 3 to be fully extended out of the edge of the trolley 101 when the unloading device for a ship is in use, increasing the activity space at the bottom and around the cargo platform 3, and allowing the cargo platform 3 to be retracted into the edge of the trolley 101 when the unloading device for a ship is idle, thereby reducing the occupied space.

Still be equipped with brake truckle 104 on handcart 101, still be equipped with locking hand wheel 105 on the base 103, locking hand wheel 105 passes base 103 back and slide 102 contact, locking hand wheel 105 and base 103 threaded connection, and the setting of brake truckle 104 and locking hand wheel 105 has ensured the stability of cargo platform 3 when the goods is loaded and unloaded, avoids cargo platform 3 to remove and leads to the goods to put the shakiness and drop.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An unloading device for a ship, characterized in that: the lifting platform comprises a stand column, a sliding seat and a driving mechanism, the stand column penetrates through the sliding seat and is in sliding connection with the sliding seat, the driving mechanism is fixed at the top of the stand column, one end of the driving mechanism penetrates through the sliding seat and is in threaded fit with the sliding seat, the driving mechanism can drive the sliding seat to do linear reciprocating motion along the stand column, the goods platform comprises a goods shelf, a connecting rod and two clamping pieces, the two clamping pieces are respectively fixed on the goods shelf through the connecting rod, the two ends of the connecting rod are respectively hinged to one clamping piece and one side of the goods shelf, and a gap is reserved between the two clamping pieces, a spring is also arranged between the goods shelf and the clamping piece;

the movable platform comprises a trolley, a slide way and a base, the slide way is mounted on the trolley, the base is clamped in the slide way and can slide along the slide way, and the upright post is fixed on the base;

the cargo platform is connected with the lifting platform through a lifting device, the lifting device comprises two vertical beams, a cross beam and a lifting motor, two sides of the cross beam are respectively and slidably mounted on one vertical beam, the output end of the lifting motor is provided with a transmission screw rod, the transmission screw rod is arranged inside the vertical beam in parallel to the length direction of the vertical beam, the transmission screw rod penetrates through the cross beam and is in threaded fit with the cross beam, and the vertical beam is connected with the sliding seat;

the sliding seat is connected with the vertical beam through an extension plate, the extension plate is Z-shaped, the upper part of the extension plate is fixed on the sliding seat, the vertical beam is arranged below the extension plate, and the extension plate and the upright post form an inverted U-shaped structure;

one side of the extension plate, which is provided with the vertical beam, is positioned in front of the mobile platform, when the cargo needs to be unloaded from the deck, the mobile platform is moved to the edge of the deck, and the extension plate, the lifting device arranged on the extension plate and the cargo platform all extend out of the deck; the inverted U-shaped structure formed between the extending plate and the upright post can avoid the collision between the extending plate and the ship body during the falling process.

2. An unloading device for a ship according to claim 1, wherein: and one end of the clamping piece, which is positioned in the advancing direction of the trolley, is provided with an arc-shaped bend facing the outer side of the goods shelf.

3. An unloading device for a ship according to claim 2, wherein: the driving mechanism comprises a driving motor and a screw rod, the driving motor is installed at the top end of the upright post, the screw rod is connected with an output shaft of the driving motor through a coupler, and the screw rod is in threaded fit with the sliding seat.

4. An unloading device for a ship according to claim 3, wherein: still be equipped with the brake truckle on the handcart, still be equipped with the locking hand wheel on the base, the locking hand wheel passes behind the base with the slide contact, the locking hand wheel with base threaded connection.