Unattended ship unloader grabbing equipment

By adopting an inverted conical structure combining an arc-shaped insert plate and a drive unit in the material handling equipment of the ship unloader, the problems of low unloading efficiency and high cost of granular materials are solved, and efficient and low-cost automated unloading is achieved.

CN224015166UActive Publication Date: 2026-03-20ZHEJIANG ZHENENG TAIZHOU NO 2 POWER GENERATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing ship unloaders have low unloading efficiency and high cost when handling granular materials. In particular, the high coefficient of friction makes it difficult for the grab bucket to insert into the material, and increasing the weight of the grab bucket will increase power consumption.

Method used

An unattended unloading machine material handling device was designed. It adopts an inverted cone shape composed of an arc-shaped insert plate and a drive unit. The material is inserted through the arc-shaped insert plate to reduce the coefficient of friction. The weight of the material handling unit is adjusted by a counterweight block. Combined with a vision positioning device, automated unloading is achieved.

Benefits of technology

It improves the unloading efficiency of granular materials, reduces unloading costs, and enhances the applicability and efficiency of the equipment through automated unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of material grabbing equipment, and discloses unattended ship unloader material grabbing equipment which comprises a movable frame body capable of sliding on a ship unloader, a material grabbing unit used for grabbing materials is arranged on the movable frame body, and the material grabbing unit comprises a lifting bearing seat connected to the lower portion of the movable frame body through a steel wire rope and a lifting hook. An upper seat is arranged below the lifting bearing seat, a lower seat is fixedly mounted below the upper seat, a plurality of arc-shaped insertion plates which are matched with the lower seat and are in an arc-shaped triangular shape are arranged below the upper seat, and the plurality of arc-shaped insertion plates are combined into a sealed inverted cone shape when being combined. According to the material grabbing unit, the arc-shaped inserting plates are in the shape of the triangle with the wide upper portion and the narrow lower portion, the arc-shaped inserting plates are sequentially inserted into the materials, the friction coefficient borne by the arc-shaped inserting plates when the arc-shaped inserting plates are inserted is reduced, the overall weight of the material grabbing unit can be properly reduced, the unloading efficiency of the granular materials is improved, and the unloading cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a material grabbing equipment technical field, concretely is a kind of unattended ship unloader material grabbing equipment. BACKGROUND

[0002] Ship unloader is the machine head that can lift bulk material using continuous conveying machinery, or have self-retrieval ability, or be equipped with material taking and feeding device, continuously put out bulk material from ship cabin, then unload to boom or rack and can be transported to the place of main conveying system on the shore, it is special machinery, ship unloader is equipped with material grabbing equipment to unload granular goods.

[0003] Through the retrieval, such as patent publication No. CN218619278U, discloses a kind of unattended ship unloader material grabbing equipment, support rod side is provided with controller, support rod bottom is provided with limit plate, limit plate is provided with guide rod between, guide rod connects sliding configuration block, sliding configuration block top is provided with fixed plate, fixed plate front is provided with circular ring, circular ring connects chain, grab is provided with on the both ends of horizontal plate bottom surface.The unattended ship unloader material grabbing equipment of this application, sliding configuration block side is fixedly connected with horizontal plate, while the side of support rod is symmetrically provided with horizontal plate and chain, so that the chain drives horizontal plate to keep perpendicular with support rod, while avoiding grab to lose balance in the process of grabbing material due to excessive material, thereby improving work efficiency, and the top of speed reducer is fixedly connected with support rod, so that support rod can be driven to rotate by speed reducer, thereby driving grab position, facilitating material to be grabbed and then transferred to fixed place for stacking.

[0004] The above-mentioned patent has obvious beneficial effects, but there are still the following deficiencies in practical operation:

[0005] In the above-mentioned comparative document, the grab is moved towards the cargo on the cargo ship to clamp and unload the cargo, but in reality, when unloading granular goods, the above-mentioned material grabbing mechanism cannot unload the granular material, and in the prior art, two grab buckets are rotated to grab the granular material. However, since two grab buckets are rotated simultaneously, the friction coefficient of the two grab buckets inserted into the granular material is large, if the overall material grabbing mechanism is light in weight, the grab buckets cannot be completely inserted into the granular material, and the amount of material grabbed each time is small, which reduces the unloading speed. If the weight of the overall material grabbing mechanism is increased, the power consumption of the overall unloading equipment is increased, and the unloading cost is increased. Therefore, there is an urgent need in the field to improve the ship unloader material grabbing equipment to solve the defects of the prior art. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model provides an unattended ship unloader material grabbing equipment, which improves the efficiency of unloading granular material and reduces the cost of unloading.

[0007] To achieve the above object, the utility model provides following technical scheme: an unattended ship unloader grabbing equipment, movable frame body capable of sliding on the ship unloader is equipped with grabbing unit for grabbing material, the grabbing unit includes the lifting load seat connected below the movable frame body through the wire rope and the hook, the lifting load seat below is equipped with the upper seat, the lower seat is fixedly installed below the upper seat, a plurality of arc-shaped insert boards are equipped below the upper seat and are adapted to the lower seat and are arc-shaped triangular, a plurality of arc-shaped insert boards are combined and are combined to be sealed inverted conical shape, a plurality of oblique connecting columns are fixedly installed between the upper seat and the lower seat and are adapted to the inclination angle of arc-shaped insert board, every oblique connecting column upper portion is equipped with the drive unit for driving arc-shaped insert board to go down, the upper seat lower part and movable frame body all are fixedly installed with a plurality of visual positioning devices for monitoring.

[0008] Preferably, each group of drive units includes a first drive motor fixedly installed on the upper end of the inclined connecting column, a connecting plate is fixedly installed on the upper end of the arc-shaped insert plate, a first sliding seat is fixedly installed on one side of the connecting plate, a first sliding groove adapted to the first sliding seat is formed on one side of the inclined connecting column, a first drive screw with one end fixedly installed on the output end of the first drive motor is rotatably connected in the first sliding groove, and the first drive screw penetrates through the first sliding seat and is threadedly connected with the first sliding seat.

[0009] Preferably, one end of the lifting load seat is fixedly installed with a second drive motor, a second sliding seat is fixedly installed on the upper part of the upper seat, a second sliding groove adapted to the second sliding seat is formed on the lower part of the lifting load seat, a second drive screw with one end fixedly installed on the output end of the second drive motor is rotatably connected in the second sliding groove, and the second drive screw penetrates through the second sliding seat and is threadedly connected therewith.

[0010] Preferably, the upper part of the lifting load seat is provided with two symmetrical storage frames, and a counterweight is placed in the storage frame.

[0011] Preferably, a third sliding seat is fixedly installed on the lower part of the storage frame, a third sliding groove adapted to the third sliding seat is formed on the lower part of the lifting load seat, a third drive screw threadedly connected with the third sliding seat is rotatably connected in the third sliding groove, and the end parts of the second drive screw and the third drive screw extend to the outside through one end of the lifting load seat, and a first gear and a second gear meshing with each other are fixedly installed on the side surface of the end part of the second drive screw and the third drive screw located outside, respectively.

[0012] Preferably, a plurality of reinforcing ribs are fixedly connected on the side surface of the arc-shaped insert plate, and the cross section of the reinforcing rib is triangular.

[0013] Preferably, a lifting ring is fixedly installed on the upper part of the lifting load seat, and the lifting ring is used for connecting the hook on the movable frame body.

[0014] The utility model provides a kind of unattended ship unloader grabbing equipment, overcome the insufficient of prior art, the beneficial effect of the utility model is in at:

[0015] 1、 In the utility model, the arc-shaped plugboard is in the shape of triangle with upper width and lower narrowness, and the arc-shaped plugboard is inserted into the material in sequence, the friction coefficient when the arc-shaped plugboard is inserted is reduced, the overall weight of the grabbing unit can be appropriately reduced, the efficiency of discharging the granular material is improved, and the cost of discharging is reduced.

[0016] 2、 In the utility model, the counterweight is placed and fixed in the storage frame, so that the overall weight of the grabbing unit can be adjusted according to different forms of materials.

[0017] 3、 In the utility model, the second driving motor is started, the second driving motor drives the upper seat and the storage frame to move in opposite directions, the materials on the inner side of the warehouse can be discharged, and the applicability of the overall device is improved.

[0018] Other features and advantages of the utility model will be described in the subsequent specification, and some of them will become apparent from the specification, or will be understood by implementing the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structure indicated in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, which is used to explain the utility model together with embodiments of the utility model, and does not constitute a limitation on the utility model.

[0020] Figure 1 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0021] Figure 2 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0022] Figure 3 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0023] Figure 4 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0024] Figure 5 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0025] Figure 6 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.

[0026] Figure 7 It is a structure schematic view that the grabbing unit in the utility model is installed on the ship unloader.Figure 3 Enlarged structural schematic view at A in the figure.

[0027] In the figure: 1, mobile frame body; 2, grabbing unit; 3, lifting carrier; 4, upper seat; 5, lower seat; 6, arc-shaped insert plate; 7, inclined connecting column; 8, lifting ring; 9, driving unit; 10, visual positioning device; 11, first sliding seat; 12, connecting plate; 13, first sliding groove; 14, first driving lead screw; 15, first driving motor; 16, second driving motor; 17, second sliding seat; 18, second sliding groove; 19, second driving lead screw; 20, storage frame; 21, counterweight; 22, third sliding seat; 23, third sliding groove; 24, third driving lead screw; 25, first gear; 26, second gear; 27, reinforcing rib. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-7 A kind of unattended ship unloader grabbing equipment, including mobile frame body 1 capable of sliding on ship unloader, mobile frame body 1 is equipped with grabbing unit 2 for grabbing material, grabbing unit 2 includes lifting carrier 3 connected below mobile frame body 1 by wire rope and lifting hook, upper seat 4 is equipped below lifting carrier 3, lower seat 5 is fixedly installed below upper seat 4, a plurality of arc-shaped insert plates 6 that are adapted with lower seat 5 and are arc-shaped triangular are equipped below upper seat 4, a plurality of arc-shaped insert plates 6 are combined and present sealed inverted conical shape when merging, a plurality of inclined connecting columns 7 that are adapted with the inclination angle of arc-shaped insert plate 6 are fixedly installed between upper seat 4 and lower seat 5, driving unit 9 for driving arc-shaped insert plate 6 to move downwards is equipped in the upper portion of each inclined connecting column 7, visual positioning device 10 for monitoring is fixedly installed in the lower portion of upper seat 4 and mobile frame body 1, each group of driving unit 9 includes first driving motor 15 fixedly installed on the upper end of inclined connecting column 7, connecting plate 12 is fixedly installed on the upper end of arc-shaped insert plate 6, first sliding seat 11 is fixedly installed on one side of connecting plate 12, first sliding groove 13 that is adapted with first sliding seat 11 is opened on one side of inclined connecting column 7, first driving lead screw 14 that is fixedly installed with one end of first driving motor 15 output end is rotatably connected in first sliding groove 13, first driving lead screw 14 is threaded with first sliding seat 11 and passes through first sliding seat 11, lifting ring 8 is fixedly installed on the upper portion of lifting carrier 3, and lifting ring 8 is used to connect the lifting hook on mobile frame body 1.

[0030] Specifically, the grabbing unit 2 is connected with the lifting hook on the moving frame body 1 through the lifting ring 8. When the granular material in the cargo ship needs to be unloaded by the ship unloader, the ship unloader is parked at the side of the cargo ship, the moving frame body 1 moves horizontally on the ship unloader, the position of the moving frame body 1 moves to the position matched with the cargo hold, the position of the grabbing unit 2 is adjusted by the wire rope driven by the winch, the grabbing unit 2 is located directly above the cargo hold, the lifting carrier 3 and the lower carrier 5 are driven to move down by the wire rope driven by the winch, the starting position of the arc-shaped insertion plate 6 is located at the upper part of the inclined connecting column 7, the lower part of the lower carrier 5 contacts the upper part of the material, the falling of the lifting carrier 3 is stopped, one or two symmetrical first drive motors 15 are started, the output end of the first drive motor 15 drives the first drive screw 14 to rotate, the first drive screw 14 drives the first sliding seat 11 to move in the first sliding groove 13 when rotating, the first sliding seat 11 drives the arc-shaped insertion plate 6 to move down through the connecting plate 12, and the arc-shaped insertion plate 6 is in the shape of wide at the top and narrow at the bottom, which facilitates the insertion of the arc-shaped insertion plate 6 into the material, when one or symmetrical arc-shaped insertion plates 6 are inserted, the other materials are sequentially inserted, when a plurality of arc-shaped insertion plates 6 are completely inserted, the plurality of arc-shaped insertion plates 6 are in the shape of inverted cone, then the lifting carrier 3 is moved up by the winch, the moving frame body 1 is moved again to unload the material, the plurality of arc-shaped insertion plates 6 are in the shape of triangle wide at the top and narrow at the bottom, and the arc-shaped insertion plates 6 are sequentially inserted into the material, which reduces the friction coefficient when the arc-shaped insertion plates 6 are inserted, appropriately reduces the overall weight of the grabbing unit 2, improves the efficiency of unloading the granular material, and reduces the cost of unloading, and a plurality of visual positioning devices 10 for monitoring are installed on the moving frame body 1 and the lifting carrier 3, the visual positioning device 10 is used for monitoring the position of the cargo hold and the material, the cargo ship and the cargo hold are scanned by the visual positioning device 10, and the effect of automatic unattended unloading is realized.

[0031] As a technical optimization scheme of the utility model, one end of the lifting bearing seat 3 is fixedly installed with a second driving motor 16, the upper seat 4 is fixedly installed with a second sliding seat 17 at the upper portion, the lifting bearing seat 3 is provided with a second sliding groove 18 adapted to the second sliding seat 17 at the lower portion, a second driving screw 19 is rotatably connected in the second sliding groove 18, one end of the second driving screw 19 is fixedly installed with the output end of the second driving motor 16, the second driving screw 19 penetrates the second sliding seat 17 and is screw-connected therewith, the lifting bearing seat 3 is provided with two symmetrical article placing frames 20 at the upper portion, the article placing frame 20 is placed with a counterweight 21, a third sliding seat 22 is fixedly installed at the lower portion of the article placing frame 20, the lifting bearing seat 3 is provided with a third sliding groove 23 adapted to the third sliding seat 22 at the lower portion, a third driving screw 24 is rotatably connected in the third sliding groove 23 and screw-connected with the third sliding seat 22, the end portions of the second driving screw 19 and the third driving screw 24 both extend to the outside from one end of the lifting bearing seat 3, the end portions of the second driving screw 19 and the third driving screw 24 located at the outside are respectively fixedly installed with a first gear 25 and a second gear 26 which are mutually engaged.

[0032] Specifically, the counterweight 21 of the adaptive weight is placed and fixed in the article placing frame 20 for different forms of goods (such as powder or larger granular), so as to facilitate the adjustment of the overall weight of the grabbing unit 2, since the internal space of the cargo truck cargo compartment is larger than the opening size of the cargo compartment, the material located at the inner edge position of the cargo compartment is difficult to unload, at this time, the second driving motor 16 is started, the output end of the second driving motor 16 drives the second driving screw 19 to rotate, the second driving screw 19 drives the second sliding seat 17 to move in the second sliding groove 18 when rotating, the second sliding seat 17 drives the upper seat 4 to move, the position of the arc-shaped plug-in plate 6 is adjusted, and the first gear 25 is driven to rotate when the second driving screw 19 rotates, the first gear 25 drives the two second gears 26 to rotate, the second gears 26 drive the third driving screw 24 to rotate when rotating, the third driving screw 24 drives the third sliding seat 22 to move in the third sliding groove 23 when rotating, the third sliding seat 22 drives the article placing frame 20 to move, the upper seat 4 and the article placing frame 20 move in opposite directions, the lower seat 5 moves to the inner side of the cargo compartment, the counterweight 21 moves to the other end of the lifting bearing seat 3, the balance of the lifting bearing seat 3 is maintained, the material at the inner side position of the cargo compartment is conveniently unloaded, and the applicability of the overall device is improved.

[0033] As a technical optimization scheme of the utility model, the arc-shaped plug-in plate 6 is fixedly connected with a plurality of reinforcing ribs 27 at the side surface, the cross section of the reinforcing rib 27 is triangular, the reinforcing rib 27 improves the overall strength of the arc-shaped plug-in plate 6, the cross section of the reinforcing rib 27 is triangular and the lower end thereof is pointed, and the friction coefficient of the arc-shaped plug-in plate 6 when being inserted is reduced.

[0034] Among them, all the above-mentioned electrical products can be purchased in the market, which belongs to mature technology and has been fully disclosed, so the description is not repeated, all the above-mentioned electrical products are provided with power connection line, and it is connected with the external main controller and 220V phase voltage (or 380V line voltage) through the power line, and the main controller can be a conventional known device such as computer which can control.

[0035] Finally, it should be pointed out that in the description of the present application, it should be pointed out that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship based on 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, therefore it cannot be understood as a limitation on the present application.

[0036] In the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0037] The above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A material-grabbing device for an unmanned ship unloader, comprising a movable frame (1) capable of sliding on the ship unloader, wherein the movable frame (1) is provided with a material-grabbing unit (2) for grabbing materials, characterized in that, The material handling unit (2) includes a lifting support seat (3) connected to the lower part of the mobile frame (1) by a wire rope and a hook. The upper seat (4) is provided below the lifting support seat (3). The lower seat (5) is fixedly installed below the upper seat (4). Several arc-shaped inserts (6) adapted to the lower seat (5) and in an arc-shaped triangular shape are provided below the upper seat (4). When the several arc-shaped inserts (6) are combined, they form a sealed inverted cone shape. Several inclined connecting columns (7) adapted to the inclination angle of the arc-shaped inserts (6) are fixedly installed between the upper seat (4) and the lower seat (5). Each inclined connecting column (7) is provided with a driving unit (9) for driving the arc-shaped inserts (6) to move down. Several visual positioning devices (10) for monitoring are fixedly installed on the lower part of the upper seat (4) and on the mobile frame (1).

2. The unmanned ship unloading machine material handling equipment according to claim 1, characterized in that, Each drive unit (9) includes a first drive motor (15) fixedly installed on the upper end of the inclined connecting column (7), a connecting plate (12) fixedly installed on the upper end of the arc-shaped insert plate (6), a first sliding seat (11) fixedly installed on one side of the connecting plate (12), a first sliding groove (13) adapted to the first sliding seat (11) is opened on one side of the inclined connecting column (7), and a first drive screw (14) with one end fixedly installed on the output end of the first drive motor (15) is rotatably connected in the first sliding groove (13). The first drive screw (14) passes through the first sliding seat (11) and is threadedly connected to the first sliding seat (11).

3. The unmanned ship unloading machine material handling equipment according to claim 1, characterized in that, A second drive motor (16) is fixedly installed at one end of the lifting support (3), and a second sliding seat (17) is fixedly installed on the upper part of the upper seat (4). A second sliding groove (18) adapted to the second sliding seat (17) is opened at the lower part of the lifting support (3). A second drive screw (19) is rotatably connected in the second sliding groove (18), one end of which is fixedly installed at the output end of the second drive motor (16). The second drive screw (19) passes through the second sliding seat (17) and is threadedly connected to it.

4. The unmanned ship unloading machine material handling equipment according to claim 3, characterized in that, The upper part of the lifting support (3) is provided with two symmetrical storage frames (20), and a counterweight (21) is placed in the storage frame (20).

5. The unmanned unloading machine material handling equipment according to claim 4, characterized in that, A third sliding seat (22) is fixedly installed at the lower part of the storage frame (20). A third sliding groove (23) adapted to the third sliding seat (22) is opened at the lower part of the lifting support (3). A third drive screw (24) threadedly connected to the third sliding seat (22) is rotatably connected in the third sliding groove (23). The ends of the second drive screw (19) and the third drive screw (24) both extend through one end of the lifting support (3) to the outside. A first gear (25) and a second gear (26) that mesh with each other are fixedly installed on the outer side of the second drive screw (19) and the third drive screw (24).

6. The unmanned unloading machine material handling equipment according to claim 1, characterized in that, The curved insert (6) has several reinforcing ribs (27) fixedly connected to its sides, and the cross-section of the reinforcing ribs (27) is triangular.

7. The unmanned unloading machine material handling equipment according to claim 1, characterized in that, A lifting ring (8) is fixedly installed on the upper part of the lifting support (3). The lifting ring (8) is used to connect the hook on the mobile frame (1).