Marine elevator self-leveling elevator car structure

By designing a self-leveling elevator car structure, and utilizing inner and outer guardrails and a self-leveling device, the inner car body is automatically adjusted to be level, which solves the safety and comfort problems of marine elevators in swaying environments and improves the convenience of escape.

CN115417274BActive Publication Date: 2025-11-07HUZHOU SPECIAL EQUIP TESTING RES INST (HUZHOU ELEVATOR EMERGENCY RESCUE COMMAND CENT) +1
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Patent Information

Application Number
CN202211027393.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-08-25
Publication Date
2025-11-07
Estimated Expiration
2042-08-25

AI Technical Summary

Technical Problem

Marine elevator cars are prone to slipperiness, water seepage, and shaking in swaying environments, which can cause injury and discomfort to passengers and make escape difficult.

Method used

A self-leveling elevator car structure was designed, including inner and outer guardrails and a self-leveling device. The structure detects the swaying of the hull with a level instrument and automatically adjusts the level of the inner car. The elevator maintains stability and safety by using a lifting mechanism and a handrail mechanism.

Benefits of technology

When the ship's hull sways, the elevator automatically keeps the inner chamber level, improving the elevator's safety and comfort, reducing the risk of structural damage, and enhancing escape convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the elevator technical field, in particular to a ship elevator self-leveling elevator car structure, which comprises a car body, the car body comprises an outer protective frame and an inner box body, the outer protective frame comprises a base, a support frame and a top plate, four groups of support frames are fixedly connected to the four corners of the upper surface of the base, a level gauge is fixedly arranged on the outer wall of the support frame, the top of the support frame is provided with the top plate, a self-leveling device is arranged between two groups of same-side support frames, a load-bearing frame is fixedly connected to the bottom of the self-leveling device, the inner box body is arranged on the load-bearing frame, a lifting mechanism and a handrail mechanism are arranged on the upper surface of the top plate, one end of the handrail mechanism is fixedly connected to the upper portion of the inner box body, when the ship body shakes and the elevator shaft is inclined, two groups of lifting mechanisms on the top plate are automatically started after detection and calculation of the level gauge, the lifting and lowering of the two sides of the movable beam are driven through the lead screw on the level device, and then the inner box body is kept in a horizontal state, so that the safety of passengers in the car is guaranteed.
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Description

TECHNICAL FIELD

[0001] The present application relates to the elevator technical field, specifically a kind of self-leveling elevator car structure of marine elevator. BACKGROUND

[0002] With the rapid economic development, elevator equipment plays a huge role in many fields, such as in construction site, offshore ship, etc. are widely used, in various types of large ships, such as cruise ships, large passenger ships or passenger-cargo ships, professional ships and drilling platforms, etc., passenger elevators are widely used to facilitate the boarding and disembarking of passengers or crew. The main structure adopted is to set a vertical elevator shaft through each deck at a suitable position in the cabin, and to set a car in the shaft. The car frame is connected with a traveling cable, and moves up and down along the guide rail fixed on the inner wall of the shaft. Compared with land elevators, due to the special environment of application, the elevator car and car frame are prone to some problems, such as the car floor inside the car is slippery and water seeps down, affecting the performance of the elevator; if passengers are trapped in the elevator, it is inconvenient to escape; due to the influence of wind or ship body sway, the car is prone to sway, which can cause the passengers in the car to be displaced and collide due to the action of gravity, and can cause injury to the passengers. During normal navigation, the marine elevator may sway even under normal navigation due to factors such as sea waves, and such sway in a confined environment can cause dizziness and vomiting, which greatly affects the passenger experience. SUMMARY

[0003] The purpose of the present application is to solve the existing problems, and to provide a self-leveling elevator car structure of marine elevator.

[0004] The technical solution of the present application is as follows:

[0005] A self-leveling elevator car structure of marine elevator, comprising a car body, the car body comprising an outer guard frame and an inner box body, the outer guard frame comprising a base, a support frame and a top plate, four groups of support frames are fixedly connected to the four corners of the upper surface of the base, a spirit level is fixedly arranged on the outer wall of the support frame, the top of the support frame is provided with a top plate, a self-leveling device is arranged between two support frames on the same side, a load-bearing frame is fixedly connected to the bottom of the self-leveling device, the inner box body is arranged on the load-bearing frame, and a lifting mechanism and a handrail mechanism are arranged on the upper surface of the top plate, one end of the handrail mechanism is fixedly connected to the upper part of the inner box body.

[0006] As a preferred technical solution, the self-leveling device comprises a movable lead screw, a sliding rail, a movable beam and a moving device, the sliding rail is fixedly arranged on the support frame and slidably connected with the moving device, the movable beam is fixedly welded with the moving device, and one side of the movable beam is provided with the load-bearing frame, the movable lead screw is screwed in the movable beam, the bottom end of the movable lead screw is provided with a pad plate, the pad plate is fixedly connected with the base, and the top of the movable lead screw is in transmission connection with the lifting mechanism.

[0007] As a preferred technical solution, the mobile device comprises a rhombic fixing frame, a hinge screw and a roller, one end of the rhombic fixing frame is fixedly connected with the movable beam, the other end of the rhombic fixing frame is arranged in abutment with the outer surface of the slide rail, hinge screws are screwed on the two side ends of the rhombic fixing frame, the hinge screws are provided with the roller, and the roller is movably connected with the two side tracks of the slide rail.

[0008] As a preferred technical solution, the lifting mechanism comprises a power machine, a first connecting rod, a diverter, a second connecting rod, a first elevator, a third connecting rod and a second elevator, the power machine is arranged on the upper surface of the top plate, the power machine is drivingly connected with the first connecting rod through a shaft coupling, one end of the first connecting rod is drivingly connected with the diverter through a shaft coupling, one end of the diverter is drivingly connected with the second connecting rod, one end of the second connecting rod is drivingly connected with the first elevator, the first elevator is drivingly connected with the second elevator through the third connecting rod, and the first elevator and the second elevator are both drivingly connected with the self-leveling device.

[0009] As a preferred technical solution, the bottom of the power machine, the diverter, the first elevator and the second elevator is provided with a shock-absorbing base, and the shock-absorbing base is fixedly connected with the top plate.

[0010] As a preferred technical solution, the holding mechanism comprises a sliding base, a movable rod and a clamping plate, the sliding base is fixedly connected with the top plate, the movable rod is movably connected in the sliding base, one end of the movable rod is fixedly connected with the clamping plate, and the clamping plate is clamped and fixed with the inner box body.

[0011] As a preferred technical solution, the holding mechanism comprises a sliding base, a movable rod and a clamping plate, the sliding base is fixedly connected with the top plate, the movable rod is movably connected in the sliding base, one end of the movable rod is fixedly connected with the clamping plate, and the clamping plate is clamped and fixed with the inner box body.

[0012] As a preferred technical solution, the holding mechanism comprises a sliding base, a movable rod and a clamping plate, the sliding base is fixedly connected with the top plate, the movable rod is movably connected in the sliding base, one end of the movable rod is fixedly connected with the clamping plate, and the clamping plate is clamped and fixed with the inner box body.

[0013] The beneficial effects of the present application are as follows:

[0014] (1) The self-leveling elevator car structure for marine elevator provided by the present application avoids the collision of the inner box body where passengers are located as much as possible in the process of ship swinging, that is, the car door can be normally opened for escape even in dangerous situations, thereby improving the safety of the elevator.

[0015] (2) The self-leveling device is arranged in the present application, when the ship body swings and the elevator shaft is inclined, two sets of lifting mechanisms on the top plate are automatically started after detection and calculation by the level meter, the rising and falling of the two side movable beams are driven by the lead screws on the horizontal device, and then the inner box body is kept in a horizontal state.

[0016] (3) The present invention controls the self-leveling device by setting up a lifting mechanism and controls it step by step by a PLC controller. When the ship sways to different degrees from left to right, it can raise and lower one side of the inner car according to the actual situation. Through cooperation, the adjustment speed is faster and more stable, ensuring the comfort of the elevator.

[0017] (4) By setting up a two-group zone-controlled lifting device and a steering gear, the overall height of the lifting mechanism is reduced, which can be adapted to the limited space of marine elevators and also reduces the probability of the lifting mechanism being damaged by impact, thus improving the practicality of the device.

[0018] (5) By setting up a handholding mechanism, the upper part of the inner car is held and straightened when the self-leveling device lifts the two walls of the inner car, which prevents the structural loosening caused by the single force on the bottom fixing point of the inner car, thus improving the practicality and safety of the device. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0020] Figure 2 This is a front view schematic diagram of the present invention;

[0021] Figure 3 This is a side view schematic diagram of the present invention;

[0022] Figure 4 This is a top view of the present invention;

[0023] Figure 5 for Figure 1 Enlarged view of point A;

[0024] Figure 6 for Figure 1 Enlarged view of point B;

[0025] Figure 7 for Figure 1 Enlarged view of point C;

[0026] In the attached diagram: 1. Car body; 2. Outer protective frame; 3. Inner box; 4. Base; 5. Support frame; 6. Top plate; 7. Level; 8. Self-leveling device; 9. Load-bearing frame; 10. Lifting mechanism; 11. Handrail mechanism; 12. Sliding screw; 13. Slide rail; 14. Moving beam; 15. Moving device; 16. Pad; 17. Diamond-shaped fixing frame; 18. Hinge screw; 19. Roller; 20. Power unit; 21. First connecting rod; 22. Steering gear; 23. Second connecting rod; 24. First elevator; 25. Third connecting rod; 26. Second elevator; 27. Sliding base; 28. Moving rod; 29. ​​Clamping plate; 30. PLC controller; 31. Vibration damping base. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0028] As shown in Figures 1-7 A ship elevator self-leveling elevator car structure includes a car body 1, the car body 1 includes an outer cage 2 and an inner box 3, the outer cage includes a base 4, a support frame 5 and a top plate 6, four groups of support frames 5 are fixedly connected to the four corners of the upper surface of the base 4, a level 7 is fixedly arranged on the outer wall of the support frame 5, the top of the support frame 5 is provided with the top plate 6, a self-leveling device 8 is arranged between two groups of support frames 5 on the same side, a load-bearing frame 9 is fixedly connected to the bottom of the self-leveling device 8, the inner box 3 is arranged on the load-bearing frame 9, and a lifting mechanism 10 and a handrail mechanism 11 are arranged on the upper surface of the top plate 6, one end of the handrail mechanism 11 is fixedly connected to the upper part of the inner box 3.

[0029] Further, the self-leveling device 8 includes a movable lead screw 12, a sliding rail 13, a movable beam 14 and a moving device 15, the sliding rail 13 is fixedly arranged on the support frame 5 and slidably connected with the moving device 15, the movable beam 14 is fixedly welded with the moving device 15 and one side of the movable beam 14 is provided with the load-bearing frame 9, the movable lead screw 12 is screwed in the movable beam 14, the bottom end of the movable lead screw 12 is provided with a pad 16, the pad 16 is fixedly connected with the base 4, the top of the movable lead screw 12 is drivingly connected with the lifting mechanism 10, through the arrangement of the self-leveling device 8, when the ship body shakes and the elevator shaft is inclined, two groups of lifting mechanisms 10 on the top plate are automatically started after detection and calculation by the level 7, the movable lead screw 12 on the horizontal device drives the rising and falling of the movable beams 14 on both sides, and then the inner box is kept in a horizontal state.

[0030] Further, the moving device 15 includes a rhombus fixed frame 17, a hinge screw 18 and a roller 19, one end of the rhombus fixed frame 17 is fixedly connected with the movable beam 14, the other end of the rhombus fixed frame 17 is arranged in abutment with the outer surface of the sliding rail 13, the hinge screw 18 is screwed on the two side ends of the rhombus fixed frame 17, the roller 19 is arranged on the hinge screw 18, the roller 19 is movably connected with the two side tracks of the sliding rail 13, the diagonal rhombus fixed plate 17 is clamped and fixed with the tracks 13 on both sides through the two side rollers 19, so that the moving track is prevented from deviating.

[0031] Further, the lifting mechanism 10 comprises a power machine 20, a first connecting rod 21, a reversing gear 22, a second connecting rod 23, a first lifting machine 24, a third connecting rod 25 and a second lifting machine 26, the power machine 20 is arranged on the upper surface of the top plate 6, the power machine 20 is drivingly connected with the first connecting rod 21 through a shaft coupling, one end of the first connecting rod 21 is drivingly connected with the reversing gear 22 through a shaft coupling, one end of the reversing gear 22 is drivingly connected with the second connecting rod 23, one end of the second connecting rod 23 is drivingly connected with the first lifting machine 24, the first lifting machine 24 is drivingly connected with the second lifting machine 26 through the third connecting rod 25, and the first lifting machine 24 and the second lifting machine 26 are both drivingly connected with the self-horizontal device 8, by arranging two groups of partition-controlled lifting devices 10 and by arranging the reversing gear 22, the overall height of the lifting mechanism 10 is reduced, which can adapt to the limited space of the ship elevator and also reduce the probability of damage of the lifting mechanism 10 caused by impact.

[0032] Further, the bottom of the power machine 20, the reversing gear 22, the first lifting machine 24 and the second lifting machine 26 is provided with a shock-absorbing base 31, the shock-absorbing base 31 is fixedly connected with the top plate 6, and the shock-absorbing base 31 can reduce the vibration amplitude of the power machine 20, the reversing gear 22, the first lifting machine 24 and the second lifting machine 26 during work.

[0033] Further, the holding mechanism 11 comprises a sliding base 27, a movable rod 28 and a clamping plate 29, the sliding base 27 is fixedly connected with the top plate 6, the movable rod 28 is movably connected in the sliding base 27, one end of the movable rod 28 is fixedly connected with the clamping plate 29, and the clamping plate 29 is clamped and fixed with the inner box 3, by arranging the holding mechanism 11, when the self-horizontal device 8 lifts the two walls of the inner car 3, the upper part of the inner car 3 is held and righted, so as to prevent the structure loosening problem caused by the single stress of the bottom fixed point of the inner car 3.

[0034] Further, the holding mechanism 11 has four groups, and two groups are arranged at the two ends of the bottom surface of the top plate 6.

[0035] Further, the lifting mechanism 10 has two groups, and each group of the lifting mechanism 10 is step-controlled by a PLC controller 30, and the lifting of the two ends of the inner car 3 is independently controlled, so that the device has better effect when used.

[0036] Working principle: the ship elevator self-level elevator car structure provided by the application, when running, the outer guard frame 2 is fixedly connected with the inner box body 3, the outer guard frame 2 plays a protective role on the inner box body 3 when the elevator runs, under the detection of the multiple sets of levels 7 arranged on the outer guard frame 2, when the car body 1 inclines, if the inclination exceeds the threshold value set in advance, the level 7 will send a signal to the PLC controller 30, wherein the two side levels 7 send signals to the corresponding side PLC controller 30 respectively, through the lifting mechanism 10 connected with the PLC controller 30, step control is realized, so that one side of the inner car 3 is lifted and the other side is lowered, so that the inner car 3 remains horizontal. The lifting machine 10 is driven by the power machine 20 to rotate the first connecting rod 21, the second connecting rod 23 and the third connecting rod 25, and is drivingly connected with the movable screw rod 12 through the first elevator 24 and the second elevator 26, the movable beam 14 screwed on the movable rod is raised or lowered through the rotation of the movable screw rod 12, so that one side of the inner car 3 is lifted or lowered.

[0037] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A marine elevator self-leveling elevator car structure comprising a car body (1) including an outer cage (2) and an inner box (3), characterized in that: The outer guard (2) includes base (4), support frame (5) and top plate (6), the upper surface of the base (4) is fixedly connected with four groups of support frames (5), the outer wall of the support frame (5) is fixedly provided with a level (7), the top of the support frame (5) is provided with a top plate (6), two groups of same side support frames (5) are provided with a self-leveling device (8), the bottom of the self-leveling device (8) is fixedly connected with a bearing frame (9), the bearing frame (9) is provided with an inner box (3), the upper surface of the top plate (6) is provided with a lifting mechanism (10) and a handle mechanism (11), one end of the handle mechanism (11) is fixedly connected with the upper part of the inner box (3); The self-leveling device (8) includes a movable lead screw (12), a slide rail (13), a movable beam (14) and a moving device (15), the slide rail (13) is fixedly provided on the support frame (5) and is slidably connected with the moving device (15), the movable beam (14) is welded and fixed with the moving device (15), and one side of the movable beam (14) is provided with the bearing frame (9); the movable lead screw (12) is screwed in the movable beam (14), the bottom end of the movable lead screw (12) is provided with a backing plate (16), the backing plate (16) is fixedly connected with the base (4), and the top of the movable lead screw (12) is in transmission connection with the lifting mechanism (10); The handle mechanism (11) includes a sliding base (27), a movable rod (28) and a clamping plate (29), the sliding base (27) is fixedly connected with the top plate (6), the movable rod (28) is movably connected in the sliding base (27), one end of the movable rod (28) is fixedly connected with the clamping plate (29), and the clamping plate (29) is clamped and fixed with the inner box (3).

2. A self-leveling elevator car structure for a marine elevator as defined in claim 1, characterized in that: The moving device (15) includes a rhombic fixed frame (17), a hinge screw (18) and a roller (19), one end of the rhombic fixed frame (17) is fixedly connected with the movable beam (14), the other end of the rhombic fixed frame (17) is arranged in abutment with the outer surface of the slide rail (13), the hinge screw (18) is screwed on the two side ends of the rhombic fixed frame (17), the roller (19) is arranged on the hinge screw (18), and the roller (19) is movably connected with the two side rails of the slide rail (13).

3. A self-leveling elevator car structure for a marine elevator as defined in claim 1, characterized in that: Said lifting mechanism (10) includes power machine (20), first connecting rod (21), steering gear (22), second connecting rod (23), first elevator (24), third connecting rod (25) and second elevator (26), the power machine (20) is arranged on the top plate (6) upper surface, the power machine (20) is drivenly connected with first connecting rod (21) through coupling, one end of the first connecting rod (21) is drivenly connected with steering gear (22) through coupling, one end of the steering gear (22) is drivingly connected with second connecting rod (23), one end of the second connecting rod (23) is drivingly connected with first elevator (24), the first elevator (24) is drivingly connected with second elevator (26) through third connecting rod (25), the first elevator (24) and second elevator (26) are drivingly connected with self horizontal device (8).

4. A self-leveling elevator car structure for a marine elevator as defined in claim 3, characterized in that: The bottom of the power machine (20), steering gear (22), first elevator (24) and second elevator (26) is provided with shock absorbing base (31), and the shock absorbing base (31) is fixedly connected with the top plate (6).

5. A self-leveling elevator car structure for marine elevators as defined in claim 1, characterized in that: The holding mechanism (11) has 4 groups, and two are arranged at the two ends of the bottom surface of the top plate (6).

6. A self-leveling elevator car structure for marine elevators as defined in claim 1, characterized in that: The lifting mechanism (10) has two groups, and each group of lifting mechanism (10) is step by step controlled by PLC controller (30).

Citation Information

Patent Citations

  • Lifting device for elevator car

    CN111056405A