CN117698953A - Marine modularized cabin hoisting device and hoisting method - Google Patents

Abstract

The invention belongs to the technical field of ship construction, and is particularly a modular cabin hoisting device for ships. It includes a hull and a modular cabin installed inside the hull. The left and right sides of the top of the modular cabin are fixedly installed with symmetrically distributed hanging rings at equal intervals. , the inner side of the suspension ring located on the same side is fixedly plugged with the same cross bar. This marine modular cabin hoisting device and method uses multiple hanging rings under the crossbar, so that after the modular cabin is hoisted, the pulling force generated by the modular cabin's own gravity will be dispersed to the multiple hanging rings. This reduces the stress on each hanging ring and improves the safety of the modular cabin during the hoisting process. At the same time, when one or two of the hanging rings are damaged, the other hanging rings will share the pulling force. The modular cabin will be tilted, which further improves the safety and balance of the modular cabin during hoisting.

Description

Marine modular cabin hoisting device and hoisting method

Technical field

The invention relates to the technical field of ship construction, specifically to a ship modular cabin hoisting device and a hoisting method.

Background technique

Currently, in the field of shipbuilding, ship cabin modularization is an advanced and efficient shipbuilding method adopted by Europe, Japan, South Korea and other countries. Cabin modules are generally promoted and used in engineering ships, platforms and luxury cruise ships with a large number of residents. They are prefabricated and assembled by professional manufacturers in specialized production workshops. The cabin modules are hoisted and installed on the ship as a whole, which can significantly improve shipbuilding projects. Improve the construction efficiency of living buildings and shorten the construction period.

The patent with the authorization announcement number CN108483221B discloses a lifting device for a marine modular unit cabin, which includes: a support frame, the modular unit cabin is located in the support frame; a pulling part, the pulling part is provided on the support frame Above and connected with the support frame; the first base and the second base, the first base and the second base are arranged oppositely. By setting the specific structure of the marine modular unit cabin lifting device, the modular unit cabin is protected during lifting. It is safe to prevent the modular unit cabin from being damaged during lifting. However, during actual lifting, the above-mentioned lifting device is installed at the top four corners of the modular cabin by setting hanging lugs, and then using hooks and slings to lift the stress points. Concentrate on the upper center position of the modular cabin, and complete the lifting by a crane. With this design, during the lifting process, the weight of the cabin is completely shared by the hanging lugs at the top four corners, and the force of each hook is Larger, and the length and inclination of the sling are longer, which makes the modular cabin swing to a greater extent during the lifting process, making it more difficult to position and install subsequent modular cabins. Therefore, there is an urgent need for a marine module The cabin hoisting device and hoisting method should be optimized to solve the current problem.

Contents of the invention

In view of the shortcomings of the existing technology, the present invention provides a marine modular cabin hoisting device and a hoisting method, which solves the existing problems today.

In order to achieve the above object, the present invention provides the following technical solution: a marine modular cabin hoisting device, including a hull and a modular cabin installed inside the hull. The left and right sides of the top of the modular cabin are fixedly installed with symmetrically distributed cranes at equal intervals. The hanging ring on the same side is fixedly connected with the same cross bar on the inner side of the hanging ring. A symmetrically distributed connecting plate is fixedly installed between the two horizontal bars. The two ends of the connecting plate are fixedly connected to the hanging ring. Outside the two cross bars, a symmetrically distributed load-bearing plate is fixedly installed at the bottom of the connecting plate, a center plate is fixedly installed between the two load-bearing plates, and a main lifting ring is fixedly installed at the top center of the center plate.

As a preferred technical solution of the present invention, a first connection groove is provided at the bottom of the connecting plate, the load-bearing plate is fixedly installed on the inside of the first connection groove through bolts, and a second connection groove is provided at the bottom of the load-bearing plate. groove, and both ends of the center plate are fixedly installed on the inside of the second connecting groove through bolts.

As a preferred technical solution of the present invention, a sliding groove is provided at the bottom inside the hull, a guide rail is fixedly installed at the bottom inside the sliding groove, and a guide wheel that matches the guide rail is installed at the bottom of the modular cabin.

As a preferred technical solution of the present invention, the bottom of the modular cabin is fixedly installed with symmetrically distributed sliding rods, the size of the sliding rod matches the sliding groove, and the bottom of the sliding rod is provided with equally spaced accommodation spaces. groove, and the guide wheel is rotatably installed inside the receiving groove.

As a preferred technical solution of the present invention, symmetrically distributed positioning rods are fixedly installed on the inner side of the hull, and symmetrically distributed limit blocks are fixedly installed on the left and right sides of the modular cabin. There is a communication groove extending from front to back on the side, and the size of the communication groove matches the positioning rod.

As a preferred technical solution of the present invention, the positioning rods are symmetrically distributed on both sides of the modular cabin, and a plurality of the limiting blocks are sleeved on the outside of each positioning rod.

As a preferred technical solution of the present invention, a locking groove is provided on the side of the hull, and a movable block is slidably connected to the inside of the locking groove. One end of the movable block is located inside the locking groove. The other end of the block extends to the outside of the locking groove and is fixedly installed with an arc-shaped locking piece. The side of the arc-shaped locking piece away from the movable block is in close contact with the outside of the positioning rod.

As a preferred technical solution of the present invention, an electric telescopic rod is installed inside the locking groove. The output end of the electric telescopic rod is connected to the movable block. The locking groove has multiple arc-shaped locking pieces. Fitted with the side of the limiting block and staggered on the outside of the positioning rod, the movable block and the arc-shaped locking piece can be completely located inside the locking groove.

The method for hoisting modular cabins on ships is characterized by: including the following steps:

S1: Use an external crane to hook the main lifting ring, and under the interaction of the crossbar, connecting plate, load-bearing plate and center plate, lift the modular cabin and move it to the position of the hull;

S2: Adjust the angle and height of the modular cabin so that the connecting groove on the limit block is horizontally aligned with the positioning rod;

S3: Move the modular cabin laterally along the direction of the positioning rod, the guide rail and the guide wheel are connected, and the positioning rod is completely inserted into the limit block;

S4: Control the electric telescopic rod to extend so that the arc-shaped locking piece fits the positioning rod, completely fixing the modular cabin in the hull and achieving locking.

Compared with the existing technology, the present invention provides a marine modular cabin hoisting device and a hoisting method, which have the following beneficial effects:

1. This marine modular cabin hoisting device and method uses multiple hanging rings under the crossbar, so that after the modular cabin is hoisted, the pulling force generated by the modular cabin's own gravity will be dispersed to multiple hoists. On the hanging rings, the force on each hanging ring is reduced, improving the safety of the modular cabin during the hoisting process. At the same time, when one or two hanging rings are damaged, the other hanging rings will share the pulling force. , the modular cabin will not tilt, further improving the safety and balance of the modular cabin during hoisting.

2. This marine modular cabin hoisting device and hoisting method shortens the distance between the stress points on both sides of the center plate through the action of the cross bars, connecting plates, and load-bearing plates. At the same time, it acts on the cross bars, connecting plates, The traction force on the load-bearing plate is also very uniform, which greatly reduces the bending of the center plate due to excessive force, and the connection between the crossbar, connecting plate, load-bearing plate, center plate and modular cabin is more integrated. It is more convenient and smooth when adjusting the lifting angle of the modular cabin. There will be no problem of inertial shaking during the angle adjustment process caused by the flexibility of the sling, further improving the fine-tuning stability during the lifting of the modular cabin.

3. This marine modular cabin hoisting device and method uses positioning rods that are continuously inserted into multiple limit blocks at the same height to limit the docking trajectory of the modular cabins. At the same time, the positioning rods also assume the responsibility of some modules. The gravity pressure of the modular cabin not only assists the precise docking effect of the modular cabin and the hull, but also ensures the connection stability after the modular cabin is docked.

4. In this marine modular cabin hoisting device and hoisting method, the arc-shaped locking piece and the positioning rod fit together again, and at the same time, the arc-shaped locking piece and the side of the limit block fit together, and the arc-shaped locking piece and the limit block The staggered distribution realizes the horizontal limit of the limit blocks, thereby limiting the horizontal position of the modular cabin. It cooperates with the vertical limit of the modular cabin by the positioning rod to lock the overall position of the modular cabin.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic bottom view of the bottom structure of the modular cabin of the present invention;

Figure 3 is a schematic diagram of the internal structure of the hull of the present invention;

Figure 4 is a partial enlarged view of position A in Figure 3;

Figure 5 is a schematic diagram of the top structure distribution of the modular cabin of the present invention;

Figure 6 is a schematic structural diagram of Embodiment 2;

Figure 7 is a schematic diagram of the internal structure of the hull of Embodiment 2;

FIG. 8 is a partial enlarged view of position B in FIG. 7 .

In the picture: 1. Hull; 11. Sliding groove; 12. Positioning rod; 13. Locking groove; 14. Guide rail; 2. Modular cabin; 21. Limiting block; 22. Communication groove; 23. Sliding rod; 24 , Accommodating groove; 25. Guide wheel; 3. Suspension ring; 4. Cross bar; 5. Connecting plate; 51. First connecting groove; 6. Loading plate; 61. Second connecting groove; 7. Center plate; 8 , main lifting ring; 9. movable block; 91. arc-shaped locking piece.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Embodiment 1

Referring to Figures 1-5, in this embodiment: the marine modular cabin hoisting device includes a hull 1 and a modular cabin 2 installed inside the hull 1. The left and right sides of the top of the modular cabin 2 are fixedly installed with symmetrical distribution at equal intervals. The same horizontal bar 4 is fixedly connected to the inner side of the hanging ring 3 located on the same side. A symmetrically distributed connecting plate 5 is fixedly installed between the two horizontal bars 4. The two ends of the connecting plate 5 are fixed respectively. Socketed on the outside of the two cross bars 4, a symmetrically distributed load-bearing plate 6 is fixedly installed at the bottom of the connecting plate 5, a center plate 7 is fixedly installed between the two load-bearing plates 6, and a center plate 7 is fixedly installed at the top center of the center plate 7. Main lifting ring 8;

Use an external crane, which is the prior art, to hook the main lifting ring 8 and lift the modular cabin 2. When lifting, first the main lifting ring 8 is pulled up due to force, and then the pulling force is distributed to the center plates 7 on both sides. Under the rotation of the load-bearing plate 6 and the connecting plate 5, the tensile force is borne by the cross-bars 4 distributed on both sides of the top of the modular cabin 2, and finally distributed to the multiple hanging rings 3 below the cross-bars 4, so that the modularization After the cabin 2 is hoisted, the pulling force generated by the modular cabin 2's own gravity will be dispersed to multiple hanging rings 3, which reduces the stress on each hanging ring 3 and improves the modular cabin 2 during the hoisting process. security in.

At the same time, compared with setting the hanging rings 3 at the four corners of the top of the modular cabin 2, the hanging rings 3 provided in this application have a certain safety protection mechanism, that is, when one or two of the hanging rings 3 are damaged, the other hanging rings 3 will be damaged. The hanging ring 3 will share the pulling force without causing the modular cabin 2 to tilt, further improving the safety and balance of the modular cabin 2 when hoisting.

In addition, under the action of the cross bar 4, the connecting plate 5, and the load-bearing plate 6, the distance between the stress points on both sides of the center plate 7 is shortened, and at the same time, the force acting on the cross bar 4, the connecting plate 5, and the load-bearing plate 6 The traction force is also very uniform, which greatly reduces the bending of the center plate 7 due to excessive force, and the connection between the cross bar 4, the connecting plate 5, the load plate 6 and the center plate 7 and the modular cabin 2 is more integrated. ization, it is more convenient and smooth when adjusting the hoisting angle of modular cabin 2. There will be no problem of inertial shaking during the angle adjustment process caused by the flexibility of the sling, further improving the fine-tuning stability of modular cabin 2 during the hoisting process. sex.

In this embodiment, the bottom of the connecting plate 5 is provided with a first connecting groove 51 , the load-bearing plate 6 is fixedly installed on the inside of the first connecting groove 51 through bolts, the bottom of the load-bearing plate 6 is provided with a second connecting groove 61 , and the center plate Both ends of 7 are fixed and installed inside the second connection groove 61 through bolts, making the connection between the center plate 7 and the load plate 6 and the load plate 6 and the connection plate 5 more compact, improving the connection stability between structures and making it convenient. Disassembly and overhaul of structures.

In this embodiment, a sliding groove 11 is provided at the bottom inside the hull 1. A guide rail 14 is fixedly installed at the bottom inside the sliding groove 11. A guide wheel 25 that matches the guide rail 14 is installed at the bottom of the modular cabin 2. In the modular cabin When 2 enters the hull 1, the guide wheel 25 at the bottom of the modular cabin 2 is docked with the guide rail 14. This allows for preliminary positioning of the precise installation of the modular cabin 2 and the hull 1, and at the same time facilitates the installation of the modular cabin 2 in the hull 1. Lateral movement improves the fluency and accuracy of the modular cabin 2 hoisting installation.

In this embodiment, the bottom of the modular cabin 2 is fixedly installed with symmetrically distributed sliding rods 23. The size of the sliding rod 23 matches the sliding groove 11. The bottom of the sliding rod 23 is provided with equally spaced receiving grooves 24. The guide wheels 25 is rotatably installed on the inside of the accommodation groove 24. When the guide wheel 25 is docked with the guide rail 14, the sliding rod 23 is also slidably engaged with the sliding groove 11, playing the role of assisting the docking of the guide wheel 25 and the guide rail 14, and at the same time sharing the load of the guide wheel. When 25 is running in the guide rail 14, the pressure borne by the gravity of the modular cabin 2 makes the operation of the guide wheel 25 smoother and safer.

Embodiment 2

The second embodiment is basically the same as the first embodiment. The difference is that, as shown in Figures 6-8, in this embodiment: the inner side of the hull 1 is fixedly installed with symmetrically distributed positioning rods 12, and the left and right sides of the modular cabin 2 The side of the limit block 21 is fixedly installed with symmetrically distributed limit blocks 21. The side of the limit block 21 is provided with a communication groove 22 that runs from front to back. The size of the communication groove 22 matches the positioning rod 12. The modular cabin 2 is closely connected to the hull 1. When doing so, first align the connecting groove 22 on the limiting block 21 on the side of the modular cabin 2 with the positioning rod 12 horizontally, and then drive the modular cabin 2 to move laterally through an external crane, so that the sliding rod 23 is engaged with the sliding groove 11 , and then the guide wheel 25 is docked with the guide rail 14. As the modular cabin 2 continues to translate, the positioning rods 12 are continuously inserted into multiple limit blocks 21 located at the same height, thereby realizing the docking trajectory of the modular cabin 2. At the same time, the positioning rod 12 also bears the gravity pressure of part of the modular cabin 2, which not only assists the precise docking effect of the modular cabin 2 and the hull 1, but also ensures the connection stability of the modular cabin 2 after the docking.

In this embodiment, the positioning rods 12 are symmetrically distributed on both sides of the modular cabin 2 and a plurality of limiting blocks 21 are sleeved on the outside of each positioning rod 12. The plurality of limiting blocks 21 are simultaneously held horizontally by the positioning rods 12. Plugging improves the overall balance of the modular cabin 2 during the docking process.

Preferably, a locking groove 13 is provided on the side of the hull 1, and a movable block 9 is slidably connected to the inside of the locking groove 13. One end of the movable block 9 is located inside the locking groove 13, and the other end of the movable block 9 extends to the locking groove 13. An arc-shaped locking piece 91 is fixedly installed on the outside of the groove 13. The side of the arc-shaped locking piece 91 away from the movable block 9 is in close contact with the outside of the positioning rod 12. Before the modular cabin 2 is docked with the hull 1, the arc-shaped locking piece 91 is The shape locking piece 91 fits the outside of the positioning rod 12, which can further improve the horizontal stability of the positioning rod 12.

Preferably, an electric telescopic rod is installed inside the locking groove 13, and the output end of the electric telescopic rod is connected to the movable block 9. The locking groove 13 has multiple arc-shaped locking pieces 91 that fit with the side of the limiting block 21. And are staggered on the outside of the positioning rod 12. The movable block 9 and the arc-shaped locking piece 91 can be completely located inside the locking groove 13. Before the modular cabin 2 is docked with the hull 1, the arc-shaped locking piece 91 is located in the locking position. In the slot 13, when the docking of the modular cabin 2 and the hull 1 is completed, the operator controls the electric telescopic rod to extend, which is the prior art, and drives the movable block 9 to slide in the locking slot 13, thereby causing the arc-shaped locking piece 91 It is fit again with the positioning rod 12, and at the same time, the arc-shaped locking piece 91 is fit with the side of the limit block 21. The staggered distribution of the arc-shaped locking piece 91 and the limit block 21 realizes the horizontal limit of the limit block 21. position, thereby limiting the horizontal position of the modular cabin 2. Cooperating with the positioning rod 12 to vertically limit the modular cabin 2, the overall position of the modular cabin 2 is locked, thus completing the hoisting of the modular cabin 2 and the hull 1. docking.

The cabin hoisting method using the above-mentioned marine modular hoisting device includes the following steps:

S1: Use an external crane to hook the main lifting ring 8, and under the interaction of the crossbar 4, the connecting plate 5, the load plate 6 and the center plate 7, lift the modular cabin 2 and move it to the position of the hull 1;

S2: Adjust the angle and height of the modular cabin 2 so that the communication groove 22 on the limit block 21 is horizontally aligned with the positioning rod 12;

S3: Move the modular cabin 2 laterally along the direction of the positioning rod 12, the guide rail 14 is docked with the guide wheel 25, and the positioning rod 12 is completely inserted into the limit block 21;

S4: Control the electric telescopic rod to extend, so that the arc-shaped locking piece 91 fits the positioning rod 12, and the modular cabin 2 is completely fixed in the hull 1 to achieve locking.

Claims (9)

1. Marine modular cabin hoisting device, including a hull (1) and a modular cabin (2) installed inside the hull (1), characterized in that: the left and right sides of the top of the modular cabin (2) are fixed at equal intervals Symmetrically distributed hanging rings (3) are installed. The same cross bar (4) is fixedly plugged into the inner side of the hanging ring (3) located on the same side, and a fixed cross bar (4) is installed between the two cross bars (4). Symmetrically distributed connecting plates (5). The two ends of the connecting plates (5) are fixedly connected to the outsides of the two horizontal bars (4). The bottom of the connecting plates (5) is fixedly installed with symmetrically distributed load bearings. plate (6), a center plate (7) is fixedly installed between the two load-bearing plates (6), and a main lifting ring (8) is fixedly installed at the top center of the center plate (7). 2. The marine modular cabin hoisting device according to claim 1, characterized in that: a first connection groove (51) is provided at the bottom of the connecting plate (5), and the load-bearing plate (6) is fixed and installed by bolts Inside the first connection groove (51), a second connection groove (61) is provided at the bottom of the load-bearing plate (6), and both ends of the center plate (7) are fixed and installed in the second connection groove (61) by bolts. 61) inside. 3. The marine modular cabin hoisting device according to claim 1, characterized in that: a sliding groove (11) is provided at the bottom inside the hull (1), and a sliding groove (11) is fixedly installed at the bottom inside the sliding groove (11). Guide rail (14), the bottom of the modular cabin (2) is equipped with a guide wheel (25) that matches the guide rail (14). 4. The marine modular cabin hoisting device according to claim 3, characterized in that: symmetrically distributed sliding rods (23) are fixedly installed at the bottom of the modular cabin (2), and the sliding rods (23) The size matches the sliding groove (11). The bottom of the sliding rod (23) is provided with equally spaced receiving grooves (24). The guide wheel (25) is rotatably installed inside the receiving groove (24). 5. The marine modular cabin hoisting device according to claim 1, characterized in that: symmetrically distributed positioning rods (12) are fixedly installed on the inner side of the hull (1), and the modular cabin (2) There are symmetrically distributed limit blocks (21) fixedly installed on the left and right sides. The side of the limit block (21) is provided with a communication groove (22) that runs from front to back. The size of the communication groove (22) is consistent with the positioning rod ( 12) Match. 6. The marine modular cabin hoisting device according to claim 5, characterized in that: the positioning rods (12) are symmetrically distributed on both sides of the modular cabin (2) and each positioning rod (12) A plurality of the limiting blocks (21) are sleeved on the outside. 7. The marine modular cabin hoisting device according to claim 5, characterized in that: a locking groove (13) is provided on the side of the hull (1), and the inside of the locking groove (13) is slidably connected with Movable block (9). One end of the movable block (9) is located inside the locking groove (13). The other end of the movable block (9) extends to the outside of the locking groove (13) and is fixedly installed with an arc. The arc-shaped locking piece (91) is in close contact with the outside of the positioning rod (12) on the side away from the movable block (9). 8. The marine modular cabin hoisting device according to claim 7, characterized in that: an electric telescopic rod is installed inside the locking groove (13), and the output end of the electric telescopic rod is connected with the movable block (9) Connected, the locking groove (13) has multiple arc-shaped locking pieces (91) that fit with the side of the limiting block (21) and are staggered on the outside of the positioning rod (12), and the movable block (12) 9) and the arc-shaped locking piece (91) can be completely located inside the locking groove (13). 9. Marine modular cabin hoisting method, characterized by: including the following steps: S1: Use an external crane to hook the main lifting ring (8), and lift the modular cabin (2) under the interaction of the cross bar (4), connecting plate (5), load plate (6) and center plate (7). Lift and move to the position of the hull (1); S2: Adjust the angle and height of the modular cabin (2) so that the communication groove (22) on the limit block (21) is horizontally aligned with the positioning rod (12); S3: Move the modular cabin (2) laterally along the direction of the positioning rod (12), the guide rail (14) is docked with the guide wheel (25), and the positioning rod (12) is completely inserted into the limit block (21); S4: Control the electric telescopic rod to extend so that the arc-shaped locking piece (91) fits the positioning rod (12), and the modular cabin (2) is completely fixed in the hull (1) to achieve locking.