Passenger terminal roll-on and roll-off springboard

By designing a U-shaped hollow frame and traction structure for the passenger terminal's roll-on/roll-off ramps, the problem of ramp instability caused by the swaying of roll-on/roll-off ships was solved, achieving stable loading and unloading of cargo.

CN223480346UActive Publication Date: 2025-10-28CHONGQING WANZHOU DISTRICT YUTONG RO-RO TRANSPORTATION CO LTD
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Patent Information

Application Number
CN202422987568.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-10-28
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

When a roll-on/roll-off (Ro-Ro) ship is rocked by the waves, the Ro-Ro ramps bounce on the ship, affecting the stability and efficiency of loading and unloading cargo.

Method used

A passenger terminal roll-on/roll-off ramp consisting of a U-shaped hollow frame and a traction structure was designed. The hollow ramp A, B, and C are deflected by a worm gear mechanism driven by a motor, forming functions of up-and-down deflection, forward-and-backward deflection, and left-and-right extension and retraction, ensuring that the ramp is stably placed on the roll-on/roll-off ship.

Benefits of technology

It improves the stability of roll-on/roll-off ramps, prevents bouncing, and enhances the convenience and efficiency of loading and unloading goods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a roll-on and roll-off springboard for a passenger terminal, and relates to the technical field of port equipment. The roll-on and roll-off springboard for the passenger terminal comprises a U-shaped hollow frame, fixing shafts are fixedly mounted on the front side and the rear side of the U-shaped hollow frame, hollow plates A are rotatably mounted on the outer walls of the fixing shafts, hollow plates B are arranged on the inner sides of the hollow plates A, hollow plates C are slidably mounted on the inner sides of the hollow plates B, and fixing ropes are fixedly mounted on the outer walls of the front side and the rear side of each hollow plate C. According to the passenger terminal roll-on roll-off springboard, the hollow slab A, the hollow slab B and the hollow slab C can be driven to deflect through the traction structure, the hollow slab A, the hollow slab B and the hollow slab C can be erected on most types of roll-on roll-off ships, and the springboard formed by the hollow slab A, the hollow slab B and the hollow slab C has the functions of up-and-down deflection, front-and-back deflection and left-and-right stretching and retracting; the hollow plate C can be prevented from jumping on the deck of the roll-on-roll-off ship, the stability of the roll-on-roll-off springboard is improved, and goods are convenient to load and unload.
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Description

Technical Field

[0001] This utility model relates to the field of port equipment technology, and in particular to a roll-on / roll-off ramp for a passenger terminal. Background Technology

[0002] Roll-on / roll-off ramps are mainly used on roll-on / roll-off ships, which allow vehicles to be driven directly onto or off the ship, greatly improving loading and unloading efficiency.

[0003] Chinese document CN107628202A describes a roll-on / roll-off (Ro-Ro) loading ramp device, comprising: a horizontal ramp arranged on a wharf; an upper ramp and a lower ramp pivotally connected to both ends of the horizontal ramp; wherein, the upper and lower ramps have suspension points for suspending ropes on their slope surfaces; and pads are placed at the bottom of the horizontal and lower ramps to cross gaps in the mooring posts. This device not only effectively buffers the impact of tidal changes and ship loading adjustments on the ramp, solving the problem of smoothly loading hydraulic modular trolleys carrying large structures onto ships, but also allows for reuse, greatly improving the efficiency and reducing the cost of Ro-Ro loading.

[0004] However, the constant fluctuations of the seawater cause the roll-on / roll-off (Ro-Ro) ship to sway, resulting in one side of the Ro-Ro ramp bouncing on the ship's deck, making it difficult to load and unload cargo. Utility Model Content

[0005] The purpose of this utility model is to provide a roll-on / roll-off ramp for passenger terminals to solve the problems and defects mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a roll-on / roll-off ramp for a passenger terminal, comprising a U-shaped hollow frame, a fixed shaft fixedly installed on the front and rear sides of the U-shaped hollow frame, a hollow plate A rotatably installed on the outer wall of the fixed shaft, a hollow plate B provided on the inner side of the hollow plate A, a hollow plate C slidably installed on the inner side of the hollow plate B, fixed ropes fixedly installed on the front and rear outer walls of the hollow plate C, and steel wire ropes fixedly installed on the front and rear outer walls of the hollow plate A, and further comprising a traction structure installed on the U-shaped hollow frame and the steel wire ropes, which is used to drive the hollow plates A, B, and C to deflect.

[0007] Preferably, the traction structure includes a rotating rod, a reel, a wire rope, a fixed plate, a motor, a worm gear, and a worm wheel. The rotating rod is rotatably mounted on the front and rear sides of the U-shaped hollow frame. The reel is fixedly mounted on the outer wall of the rotating rod. The wire rope is wound around the outer wall of the reel, with one end of the wire rope fixedly mounted on the outer wall of the reel and the other end sleeved on a connecting block. The fixed plate is fixedly mounted on the front outer wall of the U-shaped hollow frame. The motor is fixedly mounted on one side of the fixed plate. The worm gear is rotatably mounted on the fixed plate. The worm wheel is fixedly mounted on the outer wall of the rotating rod and meshes with the worm gear. The output shaft of the motor is fixedly mounted to one end of the worm gear. This structure can drive hollow plates A, B, and C to deflect, enabling hollow plates A, B, and C to be placed on most types of roll-on / roll-off ships.

[0008] Preferably, a connecting shaft is fixedly installed at the top and bottom of the hollow plate B, and the connecting shaft is rotatably installed at the top and bottom of the hollow plate A to drive the hollow plate B to deflect inside the hollow plate A.

[0009] Preferably, the front and rear outer walls of the hollow plate B are both fixedly installed on the spring A, and the spring A is fixedly installed on the inner wall of the hollow plate A.

[0010] Preferably, two springs B are fixedly installed on one side of the outer wall of the hollow plate C and one side of the inner wall of the hollow plate B.

[0011] Preferably, a counterweight is fixedly installed on one side of the outer wall of the U-shaped hollow frame, and one side of the counterweight is inclined to the other side of the hollow plate C, which facilitates the loading and unloading of goods onto and off the hollow plates A, B, and C.

[0012] Preferably, the bottom of the U-shaped hollow frame is provided with a shoreline, the U-shaped hollow frame is fixedly installed on the top of the shoreline, the bottom of the hollow plate C is provided with a roll-on / roll-off ship, and the top of the roll-on / roll-off ship is fixedly installed with two T-shaped frames.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] This passenger terminal's roll-on / roll-off (Ro-Ro) ramp, through a traction structure, can drive hollow slabs A, B, and C to deflect, enabling them to be placed on most types of Ro-Ro ships. Furthermore, because hollow slab A rotates on the outer wall of a fixed shaft, hollow slab B rotates on the inner side of hollow slab A, and hollow slab C slides on the inner side of hollow slab B, the ramp formed by hollow slabs A, B, and C has the functions of vertical deflection, forward and backward deflection, and horizontal extension and retraction. This prevents hollow slab C from bouncing on the Ro-Ro ship's deck, improving the stability of the ramp and facilitating cargo loading and unloading. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

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

[0017] Figure 2 This is a sectional view of the U-shaped hollow frame of this utility model;

[0018] Figure 3 This is a cross-sectional view of hollow plate A and hollow plate B of this utility model;

[0019] Figure 4 This is a diagram illustrating the use of this utility model.

[0020] Reference numerals: 1. U-shaped hollow frame; 2. Hollow plate A; 3. Hollow plate B; 4. Hollow plate C; 5. Connecting shaft; 6. Spring A; 7. Spring B; 8. Rotating rod; 9. Wire reel; 10. Steel wire rope; 11. Connecting block; 12. Fixing plate; 13. Motor; 14. Worm gear; 15. Worm wheel; 16. Counterweight; 17. Fixing shaft; 18. Fixing rope; 19. Ro-Ro ship; 20. T-shaped frame; 21. Shore. Detailed Implementation

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a roll-on / roll-off ramp for a passenger terminal, including a U-shaped hollow frame 1, a fixed shaft 17 fixedly installed on the front and rear sides of the U-shaped hollow frame 1, a hollow plate A2 rotatably installed on the outer wall of the fixed shaft 17, a hollow plate B3 provided on the inner side of the hollow plate A2, a hollow plate C4 movably installed on the inner side of the hollow plate B3, a fixed rope 18 fixedly installed on the front and rear outer walls of the hollow plate C4, and a steel wire rope 10 fixedly installed on the front and rear outer walls of the hollow plate A2. It also includes a traction structure installed on the U-shaped hollow frame 1 and the steel wire rope 10, which is used to drive the hollow plates A2, B3, and C4 to deflect.

[0023] The traction structure includes a rotating rod 8, a coil 9, a wire rope 10, a fixing plate 12, a motor 13, a worm gear 14, and a worm wheel 15. The rotating rod 8 is rotatably mounted on the front and rear sides of the U-shaped hollow frame 1. The coil 9 is fixedly mounted on the outer wall of the rotating rod 8. The wire rope 10 is wound around the outer wall of the coil 9, with one end of the wire rope 10 fixedly mounted on the outer wall of the coil 9 and the other end sleeved on the connecting block 11. The fixing plate 12 is fixedly mounted on the front outer wall of the U-shaped hollow frame 1. The motor 13 is fixedly mounted on one side of the fixing plate 12. The worm gear 14 is rotatably mounted on the fixing plate 15. On plate 12, worm gear 15 is fixedly installed on the outer wall of rotating rod 8, and worm gear 15 meshes with worm 14. The output shaft of motor 13 is fixedly installed on one end of worm 14. When motor 13 is started, motor 13 drives worm 14 to rotate. The rotation of worm 14 drives worm gear 15, rotating rod 8 and wire reel 9 to rotate. The rotation of wire reel 9 can release wire rope 10 and drive hollow plates A2, B3 and C4 to deflect. Hollow plates A2, B3 and C4 can be placed on most types of roll-on / roll-off ships.

[0024] A connecting shaft 5 is fixedly installed at the top and bottom of the hollow plate B3, and the connecting shaft 5 is rotatably installed at the top and bottom of the hollow plate A2.

[0025] The front and rear outer walls of the hollow plate B3 are fixedly installed on the spring A6, and the spring A6 is fixedly installed on the inner wall of the hollow plate A2.

[0026] Two springs B7 are fixedly installed on one outer wall of hollow plate C4 and one inner wall of hollow plate B3.

[0027] A counterweight 16 is fixedly installed on one side of the outer wall of the U-shaped hollow frame 1, and one side of the counterweight 16 is inclined to the other side of the hollow plate C4, so as to facilitate the loading and unloading of goods onto and off the hollow plates A2, B3 and C4.

[0028] The bottom of the U-shaped hollow frame 1 is provided with a shoreline 21, and the U-shaped hollow frame 1 is fixedly installed on the top of the shoreline 21. The bottom of the hollow plate C4 is provided with a roll-on / roll-off ship 19, and the top of the roll-on / roll-off ship 19 is fixedly installed with two T-shaped frames 20.

[0029] Working principle: By starting the motor 13, the motor 13 drives the worm gear 14 to rotate. The rotation of the worm gear 14 drives the worm wheel 15, the rotating rod 8, and the wire reel 9 to rotate. The rotation of the wire reel 9 can release the wire rope 10 and drive the hollow plates A2, B3, and C4 to deflect, so that the hollow plate C4 can be placed on the top of the roll-on / roll-off ship 19. Then, the fixing rope 18 is manually tied to the T-shaped frame 20 to fix the hollow plate C4 on the top of the roll-on / roll-off ship 19. Due to the connection relationship between the U-shaped hollow frame 1, hollow plate A2, hollow plate B3, and hollow plate C4, the hollow plate C4 can be prevented from jumping on the roll-on / roll-off ship 19, which facilitates loading and unloading of goods.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A roll-on / roll-off ramp for a passenger terminal, comprising a U-shaped hollow frame (1), a fixed shaft (17) fixedly installed on the front and rear sides of the U-shaped hollow frame (1), a hollow plate A (2) rotatably installed on the outer wall of the fixed shaft (17), a hollow plate B (3) provided on the inner side of the hollow plate A (2), a hollow plate C (4) movably installed on the inner side of the hollow plate B (3), a fixed rope (18) fixedly installed on the front and rear outer walls of the hollow plate C (4), and a steel wire rope (10) fixedly installed on the front and rear outer walls of the hollow plate A (2), characterized in that, Also includes: The traction structure installed on the U-shaped hollow frame (1) and the wire rope (10) is used to drive the hollow plate A (2), hollow plate B (3) and hollow plate C (4) to deflect.

2. The passenger terminal roll-on / roll-off ramp according to claim 1, characterized in that: The traction structure includes a rotating rod (8), a coil (9), a wire rope (10), a fixing plate (12), a motor (13), a worm gear (14), and a worm wheel (15). The rotating rod (8) is rotatably mounted on the front and rear sides of the U-shaped hollow frame (1). The coil (9) is fixedly mounted on the outer wall of the rotating rod (8). The wire rope (10) is wound around the outer wall of the coil (9). One end of the wire rope (10) is fixedly mounted on the outer wall of the coil (9). The other end of the motor (13) is fitted onto the connecting block (11). The fixing plate (12) is fixedly installed on the front outer wall of the U-shaped hollow frame (1). The motor (13) is fixedly installed on one side of the fixing plate (12). The worm (14) is rotatably installed on the fixing plate (12). The worm wheel (15) is fixedly installed on the outer wall of the rotating rod (8), and the worm wheel (15) meshes with the worm (14). The output shaft of the motor (13) is fixedly installed on one end of the worm (14).

3. A passenger terminal roll-on / roll-off ramp according to claim 2, characterized in that: The top and bottom of the hollow plate B (3) are fixedly installed with connecting shafts (5), which are rotatably installed on the top and bottom of the hollow plate A (2).

4. A passenger terminal roll-on / roll-off ramp according to claim 3, characterized in that: The front and rear outer walls of the hollow plate B (3) are fixedly installed on the spring A (6), and the spring A (6) is fixedly installed on the inner wall of the hollow plate A (2).

5. A passenger terminal roll-on / roll-off ramp according to claim 4, characterized in that: Two springs B (7) are fixedly installed on one side of the outer wall of the hollow plate C (4) and one side of the inner wall of the hollow plate B (3).

6. A passenger terminal roll-on / roll-off ramp according to claim 5, characterized in that: A counterweight (16) is fixedly installed on one side of the outer wall of the U-shaped hollow frame (1), and one side of the counterweight (16) is inclined to the other side of the hollow plate C (4).

7. A passenger terminal roll-on / roll-off ramp according to claim 6, characterized in that: The bottom of the U-shaped hollow frame (1) is provided with a shore (21), and the U-shaped hollow frame (1) is fixedly installed on the top of the shore (21). The bottom of the hollow plate C (4) is provided with a roll-on / roll-off ship (19), and two T-shaped frames (20) are fixedly installed on the top of the roll-on / roll-off ship (19).

Citation Information

Patent Citations

  • Roll-roll shipment ramp device

    CN107628202A