Lifeboat guide rail bracket

By introducing H-shaped steel rail frames, ultra-high molecular weight polyethylene wear-resistant pads and multi-layer positioning mechanisms into the lifeboat rail frame, the problem of low assembly efficiency of lifeboat rail frames in the prior art is solved, and more efficient connection and stability are achieved , simplified the ship side transformation process of deep-water pipe laying ships.

CN222329974UActive Publication Date: 2025-01-10CAROPE (XIAMEN) ENG & SERVICE CO LTD
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Patent Information

Application Number
CN202421325648.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-01-10
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The existing lifeboat rail frame is poorly assembled, which reduces assembly efficiency and increases renovation investment, especially during the renovation of floating boxes on both sides of the deep-water pipe laying ship.

Method used

A lifeboat guide rail frame including H-shaped steel rail frame, ultra-high molecular weight polyethylene wear-resistant pad, positioning mechanism and assembly mechanism is designed. Through the combination of first- and second-level positioning mechanisms and assembly mechanisms, the H-shaped steel rail frame and Stable connection between the ship's side and the floating box.

Benefits of technology

It improves the assembly efficiency of lifeboat rail frames, ensures the stability and fixity of the H-shaped steel rail frames, simplifies the assembly process, and reduces the transformation cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ship building, and particularly discloses a lifeboat guide rail bracket which comprises a ship side and buoyancy tanks symmetrically connected to the two sides of the ship side, the upper ends of the buoyancy tanks are connected with an H-shaped steel guide rail bracket, the H-shaped steel guide rail bracket is of an inclined structure, and the end, away from the buoyancy tanks, of the H-shaped steel guide rail bracket is attached to the ship side. A first-level positioning mechanism is connected between the bottom end of the H-shaped steel guide rail frame and the buoyancy tank, a second-level positioning mechanism is connected between the bottom end of the H-shaped steel guide rail frame and a ship side, an assembling mechanism is connected between the first-level positioning mechanism and the H-shaped steel guide rail frame, and an ultra-high molecular weight polyethylene wear-resisting pad is arranged on the upper surface of the H-shaped steel guide rail frame. Round holes are formed in the upper surface of the ultra-high molecular weight polyethylene wear-resisting pad in an array mode, fastening bolts are arranged in the round holes, the tail ends of the fastening bolts penetrate through the ultra-high molecular weight polyethylene wear-resisting pad, the H-shaped steel guide rail frame can be conveniently installed between a ship board and a buoyancy tank, and therefore the assembly efficiency of the lifeboat guide rail frame is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of ship construction, and in particular relates to a lifeboat guide rail frame. Background Art

[0002] Deepwater pipe-laying vessels are the main construction equipment for the development and construction of deepwater oil and gas fields. They are responsible for the installation of floating production platforms, the laying of submarine pipelines and the installation of riser systems. Due to the complex working sea conditions, shipowners need to widen and renovate the hull pontoon structures on both sides of the ship's side for old ships. When renovating the pontoon, the lifeboat guide frame needs to be connected to the pontoon, but the existing lifeboat guide frame has a poor assembly effect, which reduces the efficiency of the lifeboat guide frame assembly and increases the investment in the renovation. Utility Model Content

[0003] The purpose of the utility model is to provide a lifeboat guide rail frame to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A lifeboat guide frame, comprising a ship's side and pontoons symmetrically connected to both sides of the ship's side, an H-shaped steel guide frame connected to the upper end of the pontoon, the H-shaped steel guide frame is in an inclined structure, and one end of the H-shaped steel guide frame away from the pontoon fits with the ship's side, a primary positioning mechanism is connected between the bottom end of the H-shaped steel guide frame and the pontoon, a secondary positioning structure is connected between the bottom end of the H-shaped steel guide frame and the ship's side, an assembly mechanism is connected between the primary positioning mechanism and the H-shaped steel guide frame, an ultra-high molecular weight polyethylene wear-resistant pad is provided on the upper surface of the H-shaped steel guide frame, an array of circular holes are opened on the upper surface of the ultra-high molecular weight polyethylene wear-resistant pad, a fastening bolt is provided in the circular hole, and the tail end of the fastening bolt passes through the ultra-high molecular weight polyethylene wear-resistant pad and is threadedly connected to the H-shaped steel guide frame;

[0006] The first-level positioning mechanism includes an inclined plate member, a first-level position fixing plate member, a first-level positioning notch and a first-level positioning plate member, wherein the first-level position fixing plate member is connected to the upper end of the pontoon by positioning bolts, and the first-level position fixing plate member is fitted with the H-shaped steel guide rail frame, the inclined plate member is symmetrically connected to both sides of the first-level position fixing plate member front and back, and the bottom surface of the inclined plate member is fitted with the pontoon, the inclined plate member is fitted with the H-shaped steel guide rail frame, the first-level positioning notch is opened in the middle of the inclined surface of the inclined plate member, the first-level positioning plate member is snap-connected in the first-level positioning notch, and the first-level positioning plate member is connected to the H-shaped steel guide rail frame;

[0007] The assembly mechanism includes an assembly slot, a double-axis motor, a driving screw, a collar, a connecting frame and a mating plate. The assembly slot is opened at the left end of one side opposite to the two groups of inclined plate members. The double-axis motor is arranged in the assembly slot, and the double-axis motor is fixedly connected to the inclined plate member by a positioning bolt. The driving screw is symmetrically connected to the two sides of the double-axis motor front and back, and the driving screw is connected to the output end of the double-axis motor. The end of the driving screw away from the double-axis motor passes through the inclined plate member. The collars are respectively arranged on the opposite sides of the two groups of inclined plate members, and the collars are sleeved on the outer wall of the driving screw. The inner wall of the collar is connected to the driving screw by a thread. The mating plates are symmetrically arranged inside the two sides of the H-shaped steel guide rail frame front and back, and the bottom surface of the mating plate is slidably matched with the buoyancy box, and the connecting frame is connected between the mating plate and the collar.

[0008] Preferably, the secondary positioning mechanism includes a trapezoidal plate and a secondary fixing plate. The trapezoidal plate is arranged on the right side of the ship's side, and the trapezoidal plate is in contact with the H-shaped steel guide frame. The secondary fixing plate is symmetrically connected to both sides of the trapezoidal plate front and back, and the secondary fixing plate is fixedly connected to the ship's side by positioning bolts.

[0009] Preferably, the secondary positioning mechanism also includes a secondary positioning slot and a secondary positioning plate, wherein the secondary positioning slot is opened in the middle of the inclined surface on the upper side of the trapezoidal plate, the secondary positioning plate is snap-connected in the secondary positioning slot, and the secondary positioning plate is connected to the H-shaped steel guide frame to connect and position the ship's side and the H-shaped steel guide frame.

[0010] Preferably, a circular ring is connected to the outer wall of one end of the driving screw away from the dual-axis motor to restrict the collar and prevent the collar from detaching from the driving screw.

[0011] Preferably, both left and right sides of the fitting plate are in contact with the H-shaped steel guide rail frame, thereby ensuring the restriction and positioning effect of the fitting plate on the H-shaped steel guide rail frame.

[0012] Preferably, limiting plates are provided above and below the connecting frame, and the limiting plates are connected to the inclined plate members to limit the connecting frame, thereby improving the stability of the connecting frame and preventing the connecting frame and the collar from rotating with the rotation of the driving screw.

[0013] Compared with the prior art, the beneficial effect of the utility model is as follows: when the utility model is in use, the H-shaped steel guide frame is initially positioned through the primary positioning mechanism and the secondary positioning mechanism, and the fitting plate in the assembly mechanism plays a role of limiting positioning inside the front side of the H-shaped steel guide frame, thereby positioning the H-shaped steel guide frame again to ensure the stability of the H-shaped steel guide frame, thereby facilitating the connection and fixation between the H-shaped steel guide frame and the ship's side and the pontoon, thereby improving the efficiency of the lifeboat guide frame assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the overall structure of a lifeboat guide frame.

[0015] Figure 2 The figure is a schematic diagram of a trapezoidal plate of a lifeboat guide frame.

[0016] Figure 3 The present invention is a schematic diagram of an inclined panel member of a lifeboat guide frame.

[0017] Figure 4 The present invention is a schematic diagram of the connection of the first-level fixing plate of a lifeboat guide frame.

[0018] Figure 5 The figure is a schematic diagram of an assembly notch of a lifeboat rail frame.

[0019] In the figure: 1. ship's side; 2. pontoon; 3. H-shaped steel guide frame; 4. ultra-high molecular weight polyethylene wear-resistant pad; 5. round hole; 6. fastening bolt; 7. inclined plate; 8. primary fixing plate; 9. primary positioning notch; 10. primary positioning plate; 11. assembly notch; 12. dual-axis motor; 13. driving screw; 14. collar; 15. connecting frame; 16. fitting plate; 17. trapezoidal plate; 18. secondary fixing plate; 19. secondary positioning notch; 20. secondary positioning plate; 21. circular ring; 22. limiting plate. DETAILED DESCRIPTION

[0020] Example 1

[0021] See also Figure 1-Figure 5 As shown, a lifeboat guide frame comprises a ship side 1 and a pontoon 2 symmetrically connected to both sides of the ship side 1, an H-shaped steel guide frame 3 is connected to the upper end of the pontoon 2, the H-shaped steel guide frame 3 is an inclined structure, and the end of the H-shaped steel guide frame 3 away from the pontoon 2 is in contact with the ship side 1, a primary positioning mechanism is connected between the bottom end of the H-shaped steel guide frame 3 and the pontoon 2, a secondary positioning structure is connected between the bottom end of the H-shaped steel guide frame 3 and the ship side 1, an assembly mechanism is connected between the primary positioning mechanism and the H-shaped steel guide frame 3, an ultra-high molecular weight polyethylene wear-resistant pad 4 is provided on the upper surface of the H-shaped steel guide frame 3, and an array of circular holes 5 are opened on the upper surface of the ultra-high molecular weight polyethylene wear-resistant pad 4, a fastening bolt 6 is provided in the circular hole 5, and the tail end of the fastening bolt 6 passes through the ultra-high molecular weight polyethylene wear-resistant pad 4 and is threadedly connected to the H-shaped steel guide frame 3;

[0022] The primary positioning mechanism includes an inclined plate member 7, a primary position fixing plate member 8, a primary positioning notch 9 and a primary positioning plate member 10. The primary position fixing plate member 8 is connected to the upper end of the pontoon 2 by a positioning bolt, and the primary position fixing plate member 8 is fitted with the H-shaped steel guide rail frame 3. The inclined plate member 7 is symmetrically connected to both sides of the primary position fixing plate member 8 front and back, and the bottom surface of the inclined plate member 7 is fitted with the pontoon 2, and the inclined plate member 7 is fitted with the H-shaped steel guide rail frame 3. The primary positioning notch 9 is opened in the middle of the inclined surface of the inclined plate member 7, and the primary positioning plate member 10 is snap-connected in the primary positioning notch 9, and the primary positioning plate member 10 is connected to the H-shaped steel guide rail frame 3;

[0023] The assembly mechanism includes an assembly slot 11, a dual-axis motor 12, a driving screw rod 13, a collar 14, a connecting frame 15 and a matching plate 16. The assembly slot 11 is opened at the left end of the opposite side of the two groups of inclined plate members 7. The dual-axis motor 12 is arranged in the assembly slot 11, and the dual-axis motor 12 is fixedly connected to the inclined plate member 7 by a positioning bolt. The driving screw rod 13 is symmetrically connected to both sides of the dual-axis motor 12 front and back, and the driving screw rod 13 is connected to the output end of the dual-axis motor 12. The end of the driving screw rod 13 away from the dual-axis motor 12 passes through the inclined plate member 7. The collar 14 is respectively arranged on the opposite side of the two groups of inclined plate members 7, and the collar 14 is sleeved on the outer wall of the driving screw rod 13. The inner wall of the collar 14 is connected to the driving screw rod 13 by a thread. The matching plate member 16 is symmetrically arranged inside the two sides of the H-shaped steel guide rail frame 3 front and back, and the bottom surface of the matching plate member 16 is slidably matched with the buoyancy box 2, and the connecting frame 15 is connected between the matching plate member 16 and the collar 14.

[0024] refer to Figure 1 and Figure 2 As shown, the secondary positioning mechanism includes a trapezoidal plate 17 and a secondary positioning plate 18. The trapezoidal plate 17 is arranged on the right side of the ship's side 1, and the trapezoidal plate 17 is in contact with the H-shaped steel guide frame 3. The secondary positioning plate 18 is symmetrically connected to both sides of the trapezoidal plate 17 front and back. The secondary positioning plate 18 is fixedly connected to the ship's side 1 through positioning bolts. The secondary positioning mechanism also includes a secondary positioning slot 19 and a secondary positioning plate 20. The secondary positioning slot 19 is opened in the middle of the inclined surface on the upper side of the trapezoidal plate 17. The secondary positioning plate 20 is snap-connected in the secondary positioning slot 19, and the secondary positioning plate 20 is connected to the H-shaped steel guide frame 3 to connect and position the ship's side 1 and the H-shaped steel guide frame 3.

[0025] refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a circular ring 21 is connected to the outer wall of one end of the driving screw 13 away from the dual-axis motor 12 to restrict the sleeve ring 14 and prevent the sleeve ring 14 from detaching from the driving screw 13 .

[0026] refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, both the left and right sides of the fitting plate 16 are in contact with the H-shaped steel guide rail frame 3, ensuring the restriction and positioning effect of the fitting plate 16 on the H-shaped steel guide rail frame 3.

[0027] refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, limiting plates 22 are provided above and below the connecting frame 15, and the limiting plates 22 are connected to the inclined plate member 7 to limit the connecting frame 15, thereby improving the stability of the connecting frame 15 and preventing the connecting frame 15 and the collar 14 from rotating with the rotation of the driving screw 13.

[0028] Working principle: Use positioning bolts to connect and fix the first-level fixing plate 8 and the pontoon 2, and the second-level fixing plate 18 and the ship's side 1, respectively. Set the H-shaped steel guide frame 3 from top to bottom on the inclined plate 7 and the upper end of the trapezoidal plate 17, and make the first-level positioning plate 10 engage in the first-level positioning groove 9, and the second-level positioning plate 20 engage in the second-level positioning groove 19 to complete the preliminary positioning between the H-shaped steel guide frame 3 and the ship's side 1 and the pontoon 2, start the dual-axis motor 12, and make the driving screw 13 rotate, so that the ring 14 drives the connecting frame 15 to move relatively, until the fitting plate 16 engages with the front and rear sides of the H-shaped steel guide frame 3, thereby restricting and positioning the H-shaped steel guide frame 3 again.

[0029] 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 lifeboat rail frame, comprising a ship side (1) and buoyancy boxes (2) symmetrically connected to both sides of the ship side (1), characterized in that: The upper end of the pontoon (2) is connected to an H-shaped steel guide rail frame (3), the H-shaped steel guide rail frame (3) is an inclined structure, and the end of the H-shaped steel guide rail frame (3) away from the pontoon (2) is in contact with the ship's side (1), a primary positioning mechanism is connected between the bottom end of the H-shaped steel guide rail frame (3) and the pontoon (2), a secondary positioning structure is connected between the bottom end of the H-shaped steel guide rail frame (3) and the ship's side (1), an assembly mechanism is connected between the primary positioning mechanism and the H-shaped steel guide rail frame (3), an ultra-high molecular weight polyethylene wear-resistant pad (4) is provided on the upper surface of the H-shaped steel guide rail frame (3), and an array of circular holes (5) are provided on the upper surface of the ultra-high molecular weight polyethylene wear-resistant pad (4), a fastening bolt (6) is provided in the circular hole (5), and the tail end of the fastening bolt (6) passes through the ultra-high molecular weight polyethylene wear-resistant pad (4) and is threadedly connected to the H-shaped steel guide rail frame (3); The first-level positioning mechanism comprises an inclined plate member (7), a first-level position fixing plate member (8), a first-level positioning notch (9) and a first-level positioning plate member (10); the first-level position fixing plate member (8) is connected to the upper end of the buoyancy box (2) by positioning bolts, and the first-level position fixing plate member (8) is fitted with the H-shaped steel guide rail frame (3); the inclined plate member (7) is symmetrically connected to both sides of the first-level position fixing plate member (8) front and back, and the bottom surface of the inclined plate member (7) is fitted with the buoyancy box (2), the inclined plate member (7) is fitted with the H-shaped steel guide rail frame (3), the first-level positioning notch (9) is arranged in the middle of the inclined surface of the inclined plate member (7), the first-level positioning plate member (10) is snap-fitted and connected in the first-level positioning notch (9), and the first-level positioning plate member (10) is connected to the H-shaped steel guide rail frame (3); The assembly mechanism comprises an assembly notch (11), a double-axis motor (12), a driving screw rod (13), a collar (14), a connecting frame (15) and a matching plate (16); the assembly notch (11) is opened at the left end of one side opposite to the two sets of inclined plate members (7); the double-axis motor (12) is arranged in the assembly notch (11), and the double-axis motor (12) is fixedly connected to the inclined plate member (7) by a positioning bolt; the driving screw rod (13) is symmetrically connected to both sides of the double-axis motor (12) in a front-to-back manner, and the driving screw rod (13) is connected to the output end of the double-axis motor (12); The end of the driving screw rod (13) away from the dual-axis motor (12) passes through the inclined plate member (7), and the collar (14) is respectively arranged on the opposite side of the two groups of inclined plate members (7), and the collar (14) is sleeved on the outer wall of the driving screw rod (13), and the inner wall of the collar (14) is connected to the driving screw rod (13) by means of threads, and the mating plate member (16) is symmetrically arranged inside the two sides of the H-shaped steel guide rail frame (3), and the bottom surface of the mating plate member (16) is slidably matched with the floating box (2), and the connecting frame (15) is connected between the mating plate member (16) and the collar (14).

2. A lifeboat guide rail frame according to claim 1, characterized in that: The secondary positioning mechanism comprises a trapezoidal plate (17) and a secondary positioning plate (18), wherein the trapezoidal plate (17) is arranged on the right side of the ship's side (1), and the trapezoidal plate (17) is in contact with the H-shaped steel guide rail frame (3), and the secondary positioning plate (18) is symmetrically connected to both sides of the trapezoidal plate (17) in a front-to-back manner, and the secondary positioning plate (18) is fixedly connected to the ship's side (1) via positioning bolts.

3. A lifeboat guide rail frame according to claim 2, characterized in that: The secondary positioning mechanism also includes a secondary positioning notch (19) and a secondary positioning plate (20), wherein the secondary positioning notch (19) is arranged in the middle of the inclined surface on the upper side of the trapezoidal plate (17), the secondary positioning plate (20) is snap-connected in the secondary positioning notch (19), and the secondary positioning plate (20) is connected to the H-shaped steel guide rail frame (3).

4. A lifeboat guide rail frame according to claim 1, characterized in that: The outer wall of one end of the driving screw rod (13) away from the dual-axis motor (12) is connected to a circular ring (21).

5. A lifeboat guide rail frame according to claim 1, characterized in that: The left and right sides of the fitting plate (16) are both fitted with the H-shaped steel guide rail frame (3).

6. A lifeboat guide rail frame according to claim 1, characterized in that: Limiting plates (22) are provided above and below the connecting frame (15), and the limiting plates (22) are connected to the inclined plate members (7).