Temporary supporting device for stern ramp of roll-on-roll-off ship

Abstract

The utility model relates to the technical field of stern ramp supporting devices, and discloses a roll-on-roll-off ship stern ramp temporary supporting device which comprises a bottom plate and a fixing rod, a motor is fixedly installed on the outer surface of a vertical plate close to the front end on the left side, and a rolling shaft is rotationally connected between the opposite outer surfaces of the two vertical plates in each set. The outer surfaces of the two winding shafts are fixedly sleeved with winding wheels, steel ropes are wound around the outer surfaces of the two winding wheels, the outer surfaces of the two winding shafts are fixedly sleeved with transmission wheels, and the outer surfaces of the two transmission wheels are sleeved with belts. The winding shaft is driven by the motor to rotate, the two winding wheels wind the steel rope in cooperation with the transmission wheel and the belt, so that the lifting lug is driven to lift the fixing rod, the height of the fixing rod is adjusted, the height of the supporting plate is adjusted, the height of the supporting plate is adjusted through electric drive, the labor intensity of workers is reduced, and work is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of stern ramp supporting devices, in particular to a temporary supporting device for a stern ramp of a roll-on / roll-off ship. Background Art

[0002] When a ro-ro ship is repaired in a dock, the stern ramp needs to be opened to a basically horizontal position to facilitate pedestrian movement to operate repair materials and kinetic energy pipelines in and out of the ship. The stern ramp is more than ten meters above the dock ground. In order to ensure production safety, columns are required under the stern ramp as temporary support. The temporary support heights used for stern ramps of different ship types are also different. In order to meet the use requirements of the ship, the original support is often remade or modified in advance, which is time-consuming, labor-intensive and wasteful of materials.

[0003] The existing patent (publication number: CN210634728U) discloses a temporary support device for the stern ramp of a roll-on / roll-off ship, including a fixed bracket, an inner sleeve, an outer sleeve support tube, a pin, and a hand chain hoist. The center of the fixed bracket is provided with an outer sleeve support tube, the inner sleeve is provided inside the outer sleeve support tube, the bottom of the inner sleeve is welded and fixed to the bottom of the fixed bracket, the surface of the outer sleeve support tube and the inner sleeve is provided with a plurality of pin holes, the outer sleeve support tube and the inner sleeve are connected by inserting pins into the pin holes, the fixed bracket is provided with a lifting ring 1, the hand chain hoist is installed on the lifting ring 1, one end of the chain of the hand chain hoist is suspended, and the other end of the chain of the hand chain hoist is connected to the lifting ring 2 on the outer side of the bottom of the outer sleeve support tube. Compared with the prior art, the utility model can be used for the support of different heights of the stern ramp of a roll-on / roll-off ship, is convenient and quick to use, and improves work efficiency. The utility model has strong applicability, can be repeatedly used, and saves materials.

[0004] The above patented technology can support different ro-ro ship stern gangplanks, but in actual use, when it is necessary to adjust the height of the outer jacket support tube, the maintenance worker is required to manually pull the suspended end of the chain of the hand winch, which is time-consuming and laborious. Therefore, a temporary support device for the stern gangplank of a ro-ro ship is proposed. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a temporary support device for a stern ramp of a roll-on / roll-off ship to solve the problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a temporary support device for a stern gangway of a roll-on / roll-off ship, comprising a bottom plate and a fixing rod, the top outer surface of the bottom plate is fixedly connected with two groups of vertical plates, each group of the vertical plates is two vertical plates arranged symmetrically in front and back, a motor is fixedly installed on the outer surface of the left vertical plate near the front end, a winding shaft is rotatably connected between the opposite outer surfaces of the two vertical plates in each group, the output end of the motor is fixedly connected to the left winding shaft, the outer surfaces of the two winding shafts are fixedly sleeved with winding wheels, the outer surfaces of the two winding wheels are wound with steel ropes, the left and right outer surfaces of the fixing rod are fixedly connected with lifting ears, the other ends of the two steel ropes are respectively fixedly connected with two lifting ears, the outer surfaces of the two winding shafts are fixedly sleeved with transmission wheels, and the outer surfaces of the two transmission wheels are sleeved with belts.

[0007] Furthermore, a movable rod is movably inserted into the inner surface of the fixed rod, the top outer surface of the movable rod is fixedly connected to a top plate, two shock absorbers are fixedly installed on the top outer surface of the top plate, a rotating seat is fixedly connected at the top center of the top plate, the outer surface of the rotating seat is rotatably connected to a support plate, and the support plate fits against the tops of the two shock absorbers.

[0008] Furthermore, the outer surfaces of the movable rod and the fixed rod are provided with limiting holes, the number of the limiting holes on the outer surface of the movable rod is several, and the limiting holes corresponding to the movable rod and the fixed rod are provided with latches.

[0009] Furthermore, universal wheels are installed at the four corners of the bottom of the base plate, and threaded rods are threaded through the top outer surface of the base plate at both ends, and the bottom outer surface of the threaded rod is rotatably connected to a stabilizing plate, and two threaded holes are provided on the outer surface of the stabilizing plate.

[0010] Furthermore, a support shaft is rotatably connected between the opposite outer surfaces of each group of two vertical plates, and the outer surfaces of the two support shafts are sleeved with fixed pulleys, the two fixed pulleys are located above the fixed rod, and the two steel ropes respectively pass around the top outer surfaces of the two fixed pulleys.

[0011] Furthermore, the top outer surface of the bottom plate is fixedly connected to a limiting sleeve, and the fixing rod is movably inserted into the limiting sleeve.

[0012] Furthermore, a battery box is installed on the bottom outer surface of the base plate, and batteries are arranged inside the battery box.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The temporary support device for the stern ramp of a roll-on / roll-off ship drives the winding shaft to rotate through a motor, and cooperates with the transmission wheel and the belt to make the two winding wheels reel in the steel rope, thereby driving the lifting lug to lift the fixed rod, thereby adjusting the height of the fixed rod, and then adjusting the height of the support plate. The height of the support plate is adjusted by electric drive, which reduces the labor intensity of the staff and makes the work more stable.

[0015] 2. The temporary support device for the stern ramp of a ro-ro ship, when the support plate is in supporting contact with the stern ramp, the shock absorber is used to reduce vibration, thereby protecting the support plate to a certain extent and improving its service life.

[0016] 3. The temporary support device for the stern ramp of a roll-on / roll-off ship is convenient for moving the device by arranging universal wheels, and is supported by arranging threaded rods and a stabilizing plate, and fixing the stabilizing plate to the ground by bolts, thereby improving the stability of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0018] Figure 2 This is a rear view structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0020] Figure 4 This is a schematic diagram of the support plate of the utility model and its related structures.

[0021] In the figure: 1. bottom plate; 2. fixed rod; 3. vertical plate; 4. winding shaft; 5. motor; 6. winding wheel; 7. steel rope; 8. lifting lug; 9. supporting plate; 10. movable rod; 11. top plate; 12. shock absorber; 13. rotating seat; 14. limiting hole; 15. universal wheel; 16. threaded rod; 17. stabilizing plate; 18. fixed pulley; 19. transmission wheel; 20. belt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] Please refer to Figure 1-Figure 4The utility model provides a technical solution: a temporary support device for a stern gangway of a roll-on / roll-off ship, comprising a bottom plate 1 and a fixing rod 2, two groups of vertical plates 3 are fixedly connected to the top outer surface of the bottom plate 1, each group of vertical plates 3 is two symmetrically arranged front and back, a motor 5 is fixedly installed on the outer surface of the left side vertical plate 3 near the front end, a winding shaft 4 is rotatably connected between the opposite outer surfaces of the two vertical plates 3 of each group, the output end of the motor 5 is fixedly connected to the left winding shaft 4, the outer surfaces of the two winding shafts 4 are fixedly sleeved with winding wheels 6, the outer surfaces of the two winding wheels 6 are wound with steel ropes 7, the outer surfaces of the left and right sides of the fixing rod 2 are fixedly connected with lifting ears 8, the other ends of the two steel ropes 7 are respectively fixedly connected to the two lifting ears 8, and the outer surfaces of the two winding shafts 4 are fixedly sleeved with There are transmission wheels 19, and the outer surfaces of the two transmission wheels 19 are sleeved with belts 20. In this embodiment, the motor 5 is turned on, and the motor 5 drives the winding shaft 4 to rotate, and drives the transmission wheel 19 on the left winding shaft to rotate. Under the action of the belt 20, the transmission wheel 19 on the right side is driven to rotate, so that the two winding shafts 4 rotate, and the winding shaft 4 drives the winding wheel 6 to rotate, and the steel rope 7 is wound. When the steel rope 7 is wound, the lifting ear 8 is pulled, and the lifting ear 8 drives the fixed rod 2 upward, so that the height of the fixed rod 2 changes, so as to adjust the height of the support plate 9, and adjust the support plate 9 to the corresponding height of the stern springboard to support the stern springboard, so that the height of the support plate 9 is adjusted by electric drive, which reduces the labor intensity of the staff and the work is more stable.

[0025] A movable rod 10 is movably inserted into the inner surface of the fixed rod 2, and a top plate 11 is fixedly connected to the top outer surface of the movable rod 10, and two shock absorbers 12 are fixedly installed on the top outer surface of the top plate 11. A rotating seat 13 is fixedly connected to the top center of the top plate 11, and a support plate 9 is rotatably connected to the outer surface of the rotating seat 13, and the support plate 9 is fitted with the tops of the two shock absorbers 12. In this embodiment, when the stern ramp contacts the support plate 9, the shock absorber 12 is used to absorb shock, and the support plate 9 is protected to a certain extent, thereby improving its service life.

[0026] Limiting holes 14 are provided on the outer surfaces of the movable rod 10 and the fixed rod 2. The number of the limiting holes 14 on the outer surface of the movable rod 10 is several. Pins are provided in the limiting holes 14 corresponding to the fixed rod 2 and the movable rod 10. In the present embodiment, when it is necessary to adjust the height of the fixed rod 2, the position of the movable rod 10 between the fixed rods 2 can be adjusted in advance so that the limiting holes 14 on the surfaces of the fixed rod 2 and the movable rod 10 correspond to each other, and then the pins are inserted to limit the fixed rod 2 and the movable rod 10, and the height of the support plate 9 is preliminarily adjusted.

[0027] Universal wheels 15 are installed at the four corners of the bottom of the base plate 1. Threaded rods 16 are threaded through the top outer surface of the base plate 1 at both ends. The bottom outer surface of the threaded rod 16 is rotatably connected to a stabilizing plate 17. Two threaded holes are provided on the outer surface of the stabilizing plate 17. In this embodiment, the device is moved to a suitable position under the action of the universal wheels 15. After the movement, the threaded rod 16 is rotated, and the threaded rod 16 drives the stabilizing plate 17 downward so that the stabilizing plate 17 contacts the ground, and then the bolts are screwed into the threaded holes to fix the stabilizing plate 17 to the ground, thereby increasing the stability of the device.

[0028] A support shaft is rotatably connected between the relative outer surfaces of each group of two vertical plates 3, and the outer surfaces of the two support shafts are sleeved with fixed pulleys 18. The two fixed pulleys 18 are both located above the fixed rod 2, and the two steel ropes 7 are respectively passed around the top outer surfaces of the two fixed pulleys 18. In this embodiment, the steel rope 7 is guided and supported by the fixed pulley 18, so that the steel rope 7 can drive the fixed rod 2 to move upward when winding.

[0029] The top outer surface of the base plate 1 is fixedly connected to a limiting sleeve, and the fixing rod 2 is movably inserted inside the limiting sleeve. In this embodiment, the fixing rod 2 is limited by the limiting sleeve, and the fixing rod 2 slides inside the limiting sleeve when moving, thereby preventing the fixing rod 2 from swinging around.

[0030] A battery box is installed on the bottom outer surface of the base plate 1, and batteries are arranged inside the battery box. In this embodiment, the battery provides the motor 5 with the required electrical energy to ensure the normal operation of the motor 5.

[0031] Working principle: When the utility model is in use, the device is moved to a suitable position under the action of the universal wheel 15. After the movement, the threaded rod 16 is rotated, and the threaded rod 16 drives the stabilizing plate 17 downward so that the stabilizing plate 17 contacts the ground, and then the bolt is screwed into the threaded hole to fix the stabilizing plate 17 to the ground, thereby increasing the stability of the device. When it is necessary to adjust the height of the fixed rod 2, the position of the movable rod 10 between the fixed rods 2 can be adjusted in advance so that the limiting holes 14 on the surfaces of the fixed rod 2 and the movable rod 10 correspond to each other, and then the pin is inserted to limit the fixed rod 2 and the movable rod 10, and the height of the support plate 9 is preliminarily adjusted, and then the motor 5 is turned on, and the motor 5 drives the winding shaft 4 to rotate, and drives the left winding shaft 4 to rotate. The transmission wheel 19 on the roll rotates, and the transmission wheel 19 on the right side is driven to rotate under the action of the belt 20, so that the two winding shafts 4 rotate, and the winding shaft 4 drives the winding wheel 6 to rotate, and the steel rope 7 is wound. When the steel rope 7 is wound, the lifting lug 8 is pulled, and the lifting lug 8 drives the fixing rod 2 upward, so that the height of the fixing rod 2 changes, thereby adjusting the height of the support plate 9, and adjusting the support plate 9 to the corresponding height of the stern springboard to support the stern springboard, thereby adjusting the height of the support plate 9 by electric drive, reducing the labor intensity of the staff, and the work is more stable. When the stern springboard contacts the support plate 9, the shock absorber 12 is used to reduce shock, and the support plate 9 is protected to a certain extent, thereby increasing its service life.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temporary support device for a stern ramp of a ro-ro ship, comprising a bottom plate (1) and a fixing rod (2), characterized in that: Two groups of vertical plates (3) are fixedly connected to the top outer surface of the bottom plate (1), and each group of vertical plates (3) is two vertical plates (3) arranged symmetrically in front and back. A motor (5) is fixedly installed on the outer surface of the left vertical plate (3) near the front end. A winding shaft (4) is rotatably connected between the opposite outer surfaces of each group of two vertical plates (3). The output end of the motor (5) is fixedly connected to the left winding shaft (4). The outer surfaces of the two winding shafts (4) are fixedly sleeved with winding wheels (6). The outer surfaces of the two winding wheels (6) are wound with steel ropes (7). The outer surfaces of the left and right sides of the fixed rod (2) are fixedly connected with lifting ears (8). The other ends of the two steel ropes (7) are fixedly connected to the two lifting ears (8) respectively. The outer surfaces of the two winding shafts (4) are fixedly sleeved with transmission wheels (19), and the outer surfaces of the two transmission wheels (19) are sleeved with belts (20).

2. A temporary support device for a stern ramp of a ro-ro ship according to claim 1, characterized in that: A movable rod (10) is movably inserted into the inner surface of the fixed rod (2); a top plate (11) is fixedly connected to the top outer surface of the movable rod (10); two shock absorbers (12) are fixedly installed on the top outer surface of the top plate (11); a rotating seat (13) is fixedly connected to the top center of the top plate (11); a support plate (9) is rotatably connected to the outer surface of the rotating seat (13); and the support plate (9) fits the tops of the two shock absorbers (12).

3. A temporary support device for a stern ramp of a ro-ro ship according to claim 2, characterized in that: The outer surfaces of the movable rod (10) and the fixed rod (2) are both provided with limiting holes (14), the number of the limiting holes (14) on the outer surface of the movable rod (10) is several, and the limiting holes (14) of the fixed rod (2) and the movable rod (10) corresponding to each other are provided with latches.

4. The temporary support device for the stern ramp of a ro-ro ship according to claim 1, characterized in that: Universal wheels (15) are installed at the four corners of the bottom of the base plate (1), and threaded rods (16) are threadedly penetrated at both the front and rear ends of the top outer surface of the base plate (1), and a stabilizing plate (17) is rotatably connected to the bottom outer surface of the threaded rod (16), and two threaded holes are provided on the outer surface of the stabilizing plate (17).

5. The temporary support device for the stern ramp of a ro-ro ship according to claim 1, characterized in that: A support shaft is rotatably connected between the opposite outer surfaces of each group of two vertical plates (3), and the outer surfaces of the two support shafts are sleeved with fixed pulleys (18). The two fixed pulleys (18) are located above the fixed rod (2), and the two steel ropes (7) are respectively passed around the top outer surfaces of the two fixed pulleys (18).

6. A temporary support device for a stern ramp of a ro-ro ship according to claim 1, characterized in that: The top outer surface of the bottom plate (1) is fixedly connected to a limiting sleeve, and the fixing rod (2) is movably inserted inside the limiting sleeve.

7. A temporary support device for a stern ramp of a ro-ro ship according to claim 1, characterized in that: A battery box is installed on the outer bottom surface of the base plate (1), and batteries are arranged inside the battery box.

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