Fast unloading of shelves

By designing a fast unloading shelf, using mobile devices and drive mechanisms to achieve simultaneous unloading of multiple boxes, the problem of slow manual unloading speed on floating production oil storage and unloading tankers is solved, and the unloading efficiency and safety are improved.

CN115959617BActive Publication Date: 2025-01-03SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD
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Patent Information

Application Number
CN202310162258.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-24
Publication Date
2025-01-03
Estimated Expiration
2043-02-24

AI Technical Summary

Technical Problem

On floating production oil storage and unloading tankers, due to high-strength oil production operations, the wear of mechanical parts is accelerated, and manual unloading is slow and time-consuming, and a large number of spare parts are required to replace and unload.

Method used

A quick unloading rack is designed, including a bracket, unloading mechanism, limiting mechanism, drive mechanism and power mechanism. The bracket is driven to move through the mobile device, and the unloading mechanism is driven to unload multiple boxes at the same time. The limiting mechanism ensures the stable position of the box and improves the Unloading efficiency.

Benefits of technology

Fast and automated multi-box unloading is achieved, which significantly improves the unloading speed, reduces the time and labor of manual operation, and avoids the risk of boxes leaving the unloading agency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115959617B_ABST
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Abstract

The present invention discloses a fast unloading shelf, comprising a bracket, a moving device is arranged at the bottom end of the bracket, and a plurality of placing plates are arranged on the outer wall of the bracket, comprising an unloading mechanism, a limiting mechanism, a driving mechanism and a power mechanism; the unloading mechanism is used to unload boxes on the shelf, and the unloading mechanism is arranged on the bracket; the limiting mechanism is used to limit the position of the box, and the limiting mechanism is arranged on the unloading mechanism; starting the moving device, the moving device will drive the bracket to move, and the bracket drives the unloading mechanism to be inserted onto the shelf, starting the power mechanism, the power mechanism drives the driving mechanism to operate, the driving mechanism drives the unloading mechanism to move, and the unloading mechanism shovels the box onto the unloading mechanism, so that multiple boxes can be unloaded at the same time, which improves the unloading speed, and the limiting mechanism limits the position of the box to prevent the box from escaping from the unloading mechanism.
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Description

Technical Field

[0001] The invention relates to a cargo unloading device. Background Art

[0002] FPSO integrates production, storage and offloading, storage and transportation, life and power supply. It also has the characteristics of high investment, high risk and high return of marine engineering.

[0003] The floating production storage and offloading vessel is like an "offshore oil and gas processing plant" that processes the mixture of oil, gas, water and other liquids from the oil wells into qualified crude oil or natural gas. The finished crude oil is stored in the cargo oil tanks. When the reserves reach a certain level, it is transported to shuttle tankers through the external transmission system.

[0004] On a floating production storage and offloading vessel, since the floating production storage and offloading vessel is carrying out high-intensity oil production and processing operations for a long time, the wear and consumption of mechanical parts are accelerated. Therefore, a large number of spare parts are needed to be replaced on the floating production storage and offloading vessel. When a large number of boxes containing parts need to be taken down from the storage shelves for unloading, manual unloading can only be done one box at a time, which is not only time-consuming and labor-intensive, but also slow in unloading speed. Summary of the invention

[0005] The purpose of the present invention is to provide a fast unloading rack to overcome the defect of slow manual unloading.

[0006] The technical solution to achieve the above object is: a fast unloading shelf, including a bracket, a moving device is provided at the bottom end of the bracket, and a plurality of placement plates are provided on the outer wall of the bracket, including an unloading mechanism, a limiting mechanism, a driving mechanism and a power mechanism;

[0007] An unloading mechanism, which is used to unload boxes from the shelf and is arranged on the bracket;

[0008] A limiting mechanism, which is used to limit the position of the box and is arranged on the unloading mechanism;

[0009] A driving mechanism, the driving mechanism is used to drive the unloading mechanism to operate, and the driving mechanism is arranged on the unloading mechanism;

[0010] The power mechanism is used to provide power to the driving mechanism, and the power mechanism is arranged on the placement plate.

[0011] Preferably, the unloading mechanism includes an insert plate, a through hole, a fixed rod, a support plate and an inclined surface, the outer wall of the bracket is connected to a plurality of pairs of symmetrically distributed insert plates, the bottom end of the insert plate is provided with a through hole, the bottom end of each pair of symmetrically distributed through holes is connected to a fixed rod, the outer wall of the fixed rod is slidably connected to a support plate, and the side wall of the support plate close to the inner side is provided with an inclined surface.

[0012] Preferably, the limiting mechanism includes a placement groove, a spring, a guide rod, a circular hole and an inclined panel, the upper end of the support plate is provided with a placement groove, the upper end of the placement groove is connected to a plurality of guide rods, the bottom end of the placement groove is provided with a plurality of circular holes, the inner wall of the circular hole is slidably connected to the guide rod, the outer side of the guide rod is sleeved with a spring, the top end of the guide rod is connected to the inclined panel, the top end of the spring is connected to the bottom end of the inclined panel, and the bottom end of the spring is connected to the placement groove.

[0013] Preferably, the driving mechanism includes a first driven rack, a first driving gear, a second driven rack, a second driving gear and a steering gear, wherein the outer wall of one of the support plates is connected to the first driven rack, the outer wall of the other support plate is connected to the second driven rack, the upper end of the placement plate is rotatably connected to the first driving gear, the first driving gear is meshed with the first driven rack, the upper surface of the placement plate is rotatably connected to the second driving gear, the upper wall of the placement plate is rotatably connected to the steering gear, the second driving gear is meshed with the steering gear, the second driving gear is meshed with the second driven rack, and the first driven rack and the second driven rack are staggered.

[0014] Preferably, the power mechanism includes a push rod motor, a telescopic rod, an upper rack, a lower rack and a square hole, the upper end of the placement plate is connected to the push rod motor, the output end of the push rod motor is connected to the telescopic rod, one end of the telescopic rod is connected to the upper rack, the lower end of the upper rack is connected to the lower rack, the outer wall of the bracket is provided with a square hole, the upper rack is meshed with the steering gear, and the lower rack is meshed with the first drive gear.

[0015] Preferably, the moving device is an electric wheel.

[0016] Preferably, the outer wall of the plug plate is provided with a chamfered surface.

[0017] Preferably, the inclined panel is C-shaped.

[0018] The beneficial effects of the present invention are:

[0019] 1. Start the moving device, which will drive the bracket to move. The bracket will drive the unloading mechanism to insert it onto the shelf. Start the power mechanism, which will drive the driving mechanism to run. The driving mechanism will drive the unloading mechanism to move. The unloading mechanism will shovel the box onto the unloading mechanism, so that multiple boxes can be unloaded at the same time, which increases the unloading speed. The limit mechanism will limit the position of the box to prevent the box from escaping from the unloading mechanism.

[0020] 2. The driving mechanism drives two symmetrically distributed support plates to move toward each other, so that the distance between the two support plates can be adjusted. At the same time, the support plate drives the inclined surface to move, so that the box can move to the upper end of the support plate through the inclined surface, thereby unloading the box from the shelf. When the support plate is located in the through hole, the support plate will not hinder the insertion of the plug plate into the shelf.

[0021] 3. When the support plate is located in the through hole, the inner wall of the through hole will squeeze the inclined plate. When the support plate moves out of the through hole, the spring will push the inclined plate upward, and the inclined plate drives the guide rod to move, so that the inclined plate can surround the bottom of the box. The box can be confined in the space formed by the inclined plate by using the C-shaped shape of the inclined plate to prevent the box from falling off the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the present invention when viewed from above;

[0024] Figure 3 It is a schematic diagram of a cross-sectional top view of the structure of the present invention;

[0025] Figure 4 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 5 yes Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 6 yes Figure 3 Schematic diagram of the enlarged structure at point C in the middle.

[0028] 1. Bracket; 2. Placement plate; 3. Moving device; 4. Unloading mechanism; 401. Insert plate; 402. Through hole; 403. Fixed rod; 404. Support plate; 405. Inclined surface; 5. Limiting mechanism; 501. Placement slot; 502. Spring; 503. Guide rod; 504. Round hole; 505. Inclined plate; 6. Driving mechanism; 601. First driven rack; 602. First driving gear; 603. Second driven rack; 604. Second driving gear; 605. Steering gear; 7. Power mechanism; 701. Push rod motor; 702. Telescopic rod; 703. Upper rack; 704. Lower rack; 705. Square hole. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0030] The present invention will be further described below in conjunction with the accompanying drawings.

[0031] Reference Figure 1-6 , a fast unloading shelf, including a bracket 1, a moving device 3 is arranged at the bottom end of the bracket 1, the moving device 3 is an electric wheel, and a plurality of placing plates 2 are arranged on the outer wall of the bracket 1, including an unloading mechanism 4, a limiting mechanism 5, a driving mechanism 6 and a power mechanism 7;

[0032] The unloading mechanism 4 is used to unload boxes from the shelf, and the unloading mechanism 4 is arranged on the bracket 1;

[0033] A limiting mechanism 5, which is used to limit the position of the box, and is arranged on the unloading mechanism 4;

[0034] A driving mechanism 6, the driving mechanism 6 is used to drive the unloading mechanism 4 to operate, and the driving mechanism 6 is arranged on the unloading mechanism 4;

[0035] The power mechanism 7 is used to provide power to the driving mechanism 6 , and the power mechanism 7 is arranged on the placement plate 2 .

[0036] Through the controller, the moving device 3 is started, the moving device 3 will drive the bracket 1 to move, the bracket 1 drives the unloading mechanism 4 to be inserted into the shelf, the power mechanism 7 is started, the power mechanism 7 drives the driving mechanism 6 to operate, the driving mechanism 6 drives the unloading mechanism 4 to move, and the unloading mechanism 4 shovels the box onto the unloading mechanism 4, so that multiple boxes can be unloaded at the same time, which improves the unloading speed. The limiting mechanism 5 limits the position of the box to prevent the box from escaping from the unloading mechanism 4.

[0037] Reference Figure 4-5The unloading mechanism 4 includes a plug plate 401, a through hole 402, a fixed rod 403, a support plate 404 and an inclined surface 405. The outer wall of the bracket 1 is connected to multiple pairs of symmetrically distributed plug plates 401. The bottom end of the plug plate 401 is provided with a through hole 402. The bottom end of each pair of symmetrically distributed through holes 402 is connected to a fixed rod 403. The outer wall of the fixed rod 403 is slidably connected to the support plate 404. The side wall of the support plate 404 close to the inner side is provided with an inclined surface 405, and the outer wall of the plug plate 401 is provided with a chamfered surface.

[0038] The driving mechanism 6 drives the two symmetrically distributed support plates 404 to move toward each other, so that the distance between the two support plates 404 can be adjusted. At the same time, the support plates 404 drive the inclined planes 405 to move, so that the boxes can move to the upper end of the support plates 404 through the inclined planes 405, thereby unloading the boxes from the shelf. When the support plates 404 are located in the through holes 402, the support plates 404 will not hinder the insertion of the plug plates 401 into the shelf.

[0039] Reference Figure 6 The limiting mechanism 5 includes a placement groove 501, a spring 502, a guide rod 503, a circular hole 504 and an inclined plate 505. The upper end of the support plate 404 is provided with a placement groove 501, and the upper end of the placement groove 501 is connected to a plurality of guide rods 503, and the bottom end of the placement groove 501 is provided with a plurality of circular holes 504. The inner wall of the circular hole 504 is slidably connected to the guide rod 503, and the outer side of the guide rod 503 is sleeved with a spring 502. The top end of the guide rod 503 is connected to the inclined plate 505, and the top end of the spring 502 is connected to the bottom end of the inclined plate 505. The bottom end of the spring 502 is connected to the placement groove 501, and the shape of the inclined plate 505 is C-shaped.

[0040] When the support plate 404 is located in the through hole 402, the inner wall of the through hole 402 will squeeze the inclined plate 505. When the support plate 404 moves out of the through hole 402, the spring 502 will push the inclined plate 505 upward, and the inclined plate 505 drives the guide rod 503 to move, so that the inclined plate 505 can surround the bottom of the box. By using the C-shaped shape of the inclined plate 505, the box can be confined in the space formed by the inclined plate 505 to prevent the box from falling off the support plate 404.

[0041] Reference Figure 4The driving mechanism 6 includes a first driven rack 601, a first driving gear 602, a second driven rack 603, a second driving gear 604 and a steering gear 605, wherein the outer wall of one support plate 404 is connected to the first driven rack 601, and the outer wall of the other support plate 404 is connected to the second driven rack 603, the upper end of the placement plate 2 is rotatably connected to the first driving gear 602, the first driving gear 602 is meshed with the first driven rack 601, the upper surface of the placement plate 2 is rotatably connected to the second driving gear 604, the upper wall of the placement plate 2 is rotatably connected to the steering gear 605, the second driving gear 604 is meshed with the steering gear 605, the second driving gear 604 is meshed with the second driven rack 603, the first driven rack 601 and the second driven rack 603 are staggered, so as to avoid movement interference between the first driven rack 601 and the second driven rack 603.

[0042] The power mechanism 7 drives the first driving gear 602 and the steering gear 605 to rotate, the first driving gear 602 drives the first driven rack 601 to move, the steering gear 605 drives the second driving gear 604 to rotate, and the second driving gear 604 drives the second driven rack 603 to move, so that the moving directions of the first driven rack 601 and the second driven rack 603 are opposite, so that the two support plates 404 can be close to each other, and the boxes can be taken out from the shelf faster.

[0043] Reference Figure 4 The power mechanism 7 includes a push rod motor 701, a telescopic rod 702, an upper rack 703, a lower rack 704 and a square hole 705. The upper end of the placement plate 2 is connected to the push rod motor 701, the output end of the push rod motor 701 is connected to the telescopic rod 702, one end of the telescopic rod 702 is connected to the upper rack 703, the lower end of the upper rack 703 is connected to the lower rack 704, and the outer wall of the bracket 1 is provided with a square hole 705. The upper rack 703 is meshed with the steering gear 605, and the lower rack 704 is meshed with the first driving gear 602.

[0044] The push rod motor 701 drives the upper rack 703 to move through the telescopic rod 702, the upper rack 703 drives the lower rack 704 to move, the upper rack 703 drives the steering gear 605 to rotate, and the lower rack 704 drives the first driving gear 602 to rotate. The square hole 705 is used for the upper rack 703 and the lower rack 704 to move to avoid interference with the bracket 1.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions described in the above embodiments may still be modified, or some or all of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quick unloading rack, comprising a bracket (1), characterized in that: A moving device (3) is provided at the bottom end of the support (1), and a plurality of placement plates (2) are provided on the outer wall of the support (1), including a loading and unloading mechanism (4), a limiting mechanism (5), a driving mechanism (6) and a power mechanism (7); A cargo unloading mechanism (4), the cargo unloading mechanism (4) being used to unload boxes from the shelf, the cargo unloading mechanism (4) being arranged on the bracket (1); A limiting mechanism (5), the limiting mechanism (5) being used to limit the position of the box, the limiting mechanism (5) being arranged on the unloading mechanism (4); A driving mechanism (6), the driving mechanism (6) being used to drive the unloading mechanism (4) to operate, and the driving mechanism (6) being arranged on the unloading mechanism (4); The power mechanism (7) is used to provide power to the driving mechanism (6), and the power mechanism (7) is arranged on the placement plate (2); The unloading mechanism (4) comprises an inserting plate (401), a through hole (402), a fixed rod (403), a support plate (404) and an inclined surface (405); the outer wall of the bracket (1) is connected to a plurality of pairs of symmetrically distributed inserting plates (401); the bottom ends of the inserting plates (401) are provided with through holes (402); the bottom ends of each pair of symmetrically distributed through holes (402) are connected to a fixed rod (403); the outer walls of the fixed rods (403) are slidably connected to the support plates (404); and the side walls of the support plates (404) close to the inner side are provided with an inclined surface (405); The limiting mechanism (5) comprises a placement groove (501), a spring (502), a guide rod (503), a circular hole (504) and an inclined plate (505); the upper end of the support plate (404) is provided with a placement groove (501); the upper end of the placement groove (501) is connected to a plurality of guide rods (503); the bottom end of the placement groove (501) is provided with a plurality of circular holes (504); the inner wall of the circular hole (504) is slidably connected to the guide rod (503); the outer side of the guide rod (503) is sleeved with a spring (502); the top end of the guide rod (503) is connected to the inclined plate (505); the top end of the spring (502) is connected to the bottom end of the inclined plate (505); and the bottom end of the spring (502) is connected to the placement groove (501).

2. The rapid unloading rack according to claim 1, characterized in that: The driving mechanism (6) comprises a first driven rack (601), a first driving gear (602), a second driven rack (603), a second driving gear (604) and a steering gear (605), wherein the outer wall of one of the support plates (404) is connected to the first driven rack (601), and the outer wall of the other support plate (404) is connected to the second driven rack (603); the upper end of the placement plate (2) is rotatably connected to the first driving gear (602), the first driving gear (602) is meshed with the first driven rack (601), the upper surface of the placement plate (2) is rotatably connected to the second driving gear (604), the upper wall of the placement plate (2) is rotatably connected to the steering gear (605), the second driving gear (604) is meshed with the steering gear (605), the second driving gear (604) is meshed with the second driven rack (603), and the first driven rack (601) and the second driven rack (603) are staggered.

3. The rapid unloading rack according to claim 2, characterized in that: The power mechanism (7) comprises a push rod motor (701), a telescopic rod (702), an upper rack (703), a lower rack (704) and a square hole (705); the upper end of the placement plate (2) is connected to the push rod motor (701); the output end of the push rod motor (701) is connected to the telescopic rod (702); one end of the telescopic rod (702) is connected to the upper rack (703); the lower end of the upper rack (703) is connected to the lower rack (704); the outer wall of the bracket (1) is provided with a square hole (705); the upper rack (703) is meshed with the steering gear (605); and the lower rack (704) is meshed with the first driving gear (602).

4. The rapid unloading rack according to claim 1, characterized in that: The moving device (3) is an electric wheel.

5. The rapid unloading rack according to claim 1, characterized in that: The outer wall of the insert plate (401) is provided with a chamfered surface.

6. The rapid unloading rack according to claim 1, characterized in that: The inclined panel (505) is in a C-shape.