Passenger ladder emergency hydraulic system
By designing the emergency hydraulic system of passenger elevator trucks and the seat gear rack system, the existing passenger elevator trucks are solved, and the scope of application is improved, and emergency operations are provided when the hydraulic system fails to ensure safe operation.
Patent Information
- Application Number
- CN202422147339.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-03
AI Technical Summary
During the use of existing passenger elevator vehicles, it is inconvenient for passengers with limited mobility to board the ship, reducing the scope of application.
An emergency hydraulic system for passenger elevator vehicles is designed, including lifting cylinders, floating ladders, manual emergency mechanisms and seats. The seat and rack system help travelers with mobility immobility to move with manual emergency mechanisms when hydraulic power support is lost.
The scope of application of passenger elevator trucks has been improved, which can more conveniently help passengers with mobility difficulties board the ship, and provide an emergency operating system when the hydraulic system fails to ensure the safe operation of passenger elevator trucks.
Smart Images

Figure CN222948085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of passenger elevators, in particular to an emergency hydraulic system for a passenger elevator. Background Art
[0002] The passenger elevator is the main equipment for passengers to get on and off ships. The lifting of the floating ladder on the passenger elevator on the market is achieved by controlling the closing of the hydraulic oil circuit through the electromagnetic reversing valve, and driving the hydraulic pump through the power take-off on the gearbox. The electromagnetic reversing valve is controlled by the control switch in the operating box on the passenger elevator platform. Once the gearbox or power take-off fails, the entire system will lose hydraulic power support, causing the floating ladder lifting cylinder to be unable to move. Therefore, the passenger elevator emergency hydraulic system becomes an important part of the boarding equipment. It is a necessary emergency system when the gearbox or power take-off fails, and plays a vital role in the operation and safety of the passenger elevator on the boarding equipment.
[0003] However, the existing passenger elevator floating ladder is not convenient for passengers with limited mobility to board the ship during use, which reduces the scope of application and has poor use effect. Utility Model Content
[0004] The utility model aims to solve the problem in the prior art that it is inconvenient for passengers with limited mobility to board a ship and the application scope is reduced, and proposes an emergency hydraulic system for a passenger elevator.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an emergency hydraulic system for a passenger elevator car, comprising a passenger elevator car body, a lifting cylinder is installed on the top of the passenger elevator car body, a floating ladder is arranged on the top of the lifting cylinder, a manual emergency mechanism is arranged on the top of the passenger elevator car body, a seat is arranged on the inner side of the floating ladder, a rack is fixedly connected to the inner side of the floating ladder, a mounting plate is fixedly connected to the bottom of the seat, a drive motor is installed on one side of the mounting plate, the output end of the drive motor is fixedly connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a gear, and the gear is meshingly connected to the rack.
[0006] Preferably, the manual emergency mechanism comprises a manual hydraulic pump, and the manual hydraulic pump is installed on the top of the passenger elevator car body.
[0007] Preferably, a hydraulic oil tank is provided on the top of the passenger elevator car body, an oil outlet is provided on a side of the manual hydraulic pump close to the lifting cylinder, and a first hydraulic oil pipe is provided between the manual hydraulic pump and the lifting cylinder.
[0008] Preferably, a second hydraulic oil pipe is provided between the manual hydraulic pump and the hydraulic oil tank, and the manual hydraulic pump is connected to the hydraulic oil tank through the first hydraulic oil pipe, the second hydraulic oil pipe and the lifting cylinder respectively.
[0009] Preferably, a fixing rod is fixedly connected to the top of the passenger elevator car body, and an anti-falling plate is fixedly connected to the top of the fixing rod.
[0010] Preferably, a slide plate is slidably connected to the outer surface of the fixing rod, a support column is fixedly connected to the top of the slide plate, and a top of the support column is fixedly connected to the floating ladder.
[0011] Preferably, a placement groove is opened on the inner side of the floating ladder, a support rod is fixedly connected in the placement groove, a movable seat is sleeved on the outer surface of the support rod, and the seat is installed on one side of the movable seat.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, the passenger with limited mobility is allowed to sit on the surface of the seat and then fasten the seat belt to protect the passenger. Then the drive motor is started to drive the shaft to rotate, and the shaft drives the gear to rotate. Since the gear and the rack are meshed and connected, the gear will move along the rack, and the seat drives the passenger to move at the same time until the destination is reached. At this time, the drive gear is moved to the end by performing the opposite movement, so that the next passenger with limited mobility can use it conveniently, thereby improving the scope of application.
[0014] 2. In the utility model, a manual emergency mechanism is provided. When a gearbox or a power take-off fails, the entire system loses hydraulic power support, causing the lifting cylinder to be unable to move. The manual hydraulic pump is operated to suck oil from the hydraulic oil tank, and the oil is supplied to the lifting cylinder through the first hydraulic oil pipe and the second hydraulic oil pipe, so that the lifting cylinder drives the floating ladder to rise and fall. The utility model adds a manual emergency operating system, which plays a vital role in the operation and safety of the passenger elevator car of the boarding equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional diagram of the main structure of an emergency hydraulic system for a passenger elevator vehicle is proposed for the utility model;
[0016] Figure 2 The utility model provides a bottom side structural stereogram of an emergency hydraulic system for a passenger elevator vehicle;
[0017] Figure 3 The utility model proposes a structural stereogram of a manual emergency mechanism in an emergency hydraulic system of a passenger elevator;
[0018] Figure 4 for Figure 2 Enlarged view of point A in the middle.
[0019] Legend: 1. Passenger elevator car body; 2. Lifting cylinder; 3. Floating ladder; 4. Manual emergency mechanism; 401. Manual hydraulic pump; 402. Hydraulic oil tank; 403. First hydraulic oil pipe; 404. Second hydraulic oil pipe; 5. Seat; 6. Rack; 7. Mounting plate; 8. Drive motor; 9. Rotating shaft; 10. Gear; 11. Fixed rod; 12. Anti-fall plate; 13. Slide plate; 14. Support column; 15. Placement slot; 16. Support rod; 17. Moving seat. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0022] Example 1: Figure 1 - Figure 4 As shown, the utility model provides an emergency hydraulic system for a passenger elevator, comprising a passenger elevator body 1, a lifting cylinder 2 is installed on the top of the passenger elevator body 1, a floating ladder 3 is arranged on the top of the lifting cylinder 2, a manual emergency mechanism 4 is arranged on the top of the passenger elevator body 1, a seat 5 is arranged on the inner side of the floating ladder 3, a rack 6 is fixedly connected to the inner side of the floating ladder 3, a mounting plate 7 is fixedly connected to the bottom of the seat 5, a driving motor 8 is installed on one side of the mounting plate 7, an output end of the driving motor 8 is fixedly connected to a rotating shaft 9, one end of the rotating shaft 9 is fixedly connected to a gear 10, and the gear 10 is meshed with the rack 6.
[0023] The effect achieved by the entire embodiment 1 is that the passenger with limited mobility is allowed to sit on the surface of the seat 5 and then fasten the safety belt on the seat 5 to protect the passenger, and then the drive motor 8 is started, so that the drive motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the gear 10 to rotate. Since the gear 10 and the rack 6 are meshed and connected, the gear 10 will move along the rack 6, and the seat 5 drives the passenger to move at the same time until it reaches the destination. At this time, the drive gear 10 is moved in the opposite direction and moved to the end, which is convenient for the next passenger with limited mobility to use, thereby improving the scope of application.
[0024] Example 2: Figure 1 - Figure 4As shown, the manual emergency mechanism 4 includes a manual hydraulic pump 401, which is installed on the top of the passenger elevator car body 1. A hydraulic oil tank 402 is provided on the top of the passenger elevator car body 1. An oil outlet is provided on the side of the manual hydraulic pump 401 close to the lifting cylinder 2. A first hydraulic oil pipe 403 is provided between the manual hydraulic pump 401 and the lifting cylinder 2. A second hydraulic oil pipe 404 is provided between the manual hydraulic pump 401 and the hydraulic oil tank 402. The manual hydraulic pump 401 is connected to the first hydraulic oil pipe 403 and the second hydraulic oil pipe 404 respectively. , the lifting cylinder 2 is connected to the hydraulic oil tank 402, the top of the passenger elevator car body 1 is fixedly connected with a fixing rod 11, the top of the fixing rod 11 is fixedly connected with an anti-falling plate 12, the outer surface of the fixing rod 11 is slidably connected with a slide plate 13, the top of the slide plate 13 is fixedly connected with a support column 14, the top of the support column 14 is fixedly connected to the floating cloud ladder 3, a placement groove 15 is opened on the inner side of the floating cloud ladder 3, a support rod 16 is fixedly connected in the placement groove 15, the outer surface of the support rod 16 is sleeved with a moving seat 17, and the seat 5 is installed on one side of the moving seat 17.
[0025] The effect achieved by the entire embodiment 2 is that, by providing a manual emergency mechanism 4, when a gearbox or a power take-off fails, the entire system loses hydraulic power support, causing the lifting cylinder 2 to be unable to move, and the manual hydraulic pump 401 is operated to suck oil from the hydraulic oil tank 402, and the oil is supplied to the lifting cylinder 2 through the first hydraulic oil pipe 403 and the second hydraulic oil pipe 404, so that the lifting cylinder 2 drives the floating cloud ladder 3 to lift and lower. The utility model adds a manual emergency operating system, which plays a vital role in the operation and safety of the passenger elevator car of the boarding equipment. Then, during the lifting and lowering process of the floating cloud ladder 3, the floating cloud ladder 3 drives the support column 14 to lift and lower, and the support column 14 drives the slide plate 13 to lift and lower, thereby improving the stability of the floating cloud ladder 3 during the movement. The anti-falling plate 12 is provided to prevent the slide plate 13 from falling off. Then, when the gear 10 moves along the rack 6, the seat 5 drives the moving seat 17 to move on the support rod 16, thereby improving the stability of the seat 5 during the movement.
[0026] Working principle: During use, when a passenger with limited mobility needs to board the ship, the passenger with limited mobility is allowed to sit on the surface of the seat 5, and then the safety belt on the seat 5 is fastened to protect the passenger. Then the driving motor 8 is started, so that the driving motor 8 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the gear 10 to rotate. Since the gear 10 is meshed and connected with the rack 6, the gear 10 will move along the rack 6, so that the seat 5 drives the moving seat 17 to move on the support rod 16, and at the same time drives the passenger to move to the destination. At this time, the driving gear 10 is moved in the opposite direction and moved to the end, so that the next passenger with limited mobility can use it. When the lifting cylinder 2 cannot move, the manual hydraulic pump 401 is operated to suck oil from the hydraulic oil tank 402, and the oil is supplied to the lifting cylinder 2 through the first hydraulic oil pipe 403 and the second hydraulic oil pipe 404, so that the lifting cylinder 2 drives the floating cloud ladder 3 to rise and fall. The manual emergency operating system is added by the utility model, which plays a vital role in the operation and safety of the boarding equipment passenger elevator.
[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. An emergency hydraulic system for a passenger elevator, comprising a passenger elevator body (1), characterized in that: A lifting cylinder (2) is installed on the top of the passenger elevator car body (1), a floating ladder (3) is arranged on the top of the lifting cylinder (2), a manual emergency mechanism (4) is arranged on the top of the passenger elevator car body (1), a seat (5) is arranged on the inner side of the floating ladder (3), a rack (6) is fixedly connected to the inner side of the floating ladder (3), a mounting plate (7) is fixedly connected to the bottom of the seat (5), a drive motor (8) is installed on one side of the mounting plate (7), an output end of the drive motor (8) is fixedly connected to a rotating shaft (9), one end of the rotating shaft (9) is fixedly connected to a gear (10), and the gear (10) is meshingly connected to the rack (6).
2. The emergency hydraulic system for a passenger elevator according to claim 1, characterized in that: The manual emergency mechanism (4) comprises a manual hydraulic pump (401), and the manual hydraulic pump (401) is installed on the top of the passenger elevator car body (1).
3. The emergency hydraulic system for a passenger elevator according to claim 2, characterized in that: A hydraulic oil tank (402) is provided on the top of the passenger elevator car body (1), an oil outlet is provided on a side of the manual hydraulic pump (401) close to the lifting cylinder (2), and a first hydraulic oil pipe (403) is provided between the manual hydraulic pump (401) and the lifting cylinder (2).
4. The emergency hydraulic system for a passenger elevator according to claim 3, characterized in that: A second hydraulic oil pipe (404) is provided between the manual hydraulic pump (401) and the hydraulic oil tank (402), and the manual hydraulic pump (401) is connected to the hydraulic oil tank (402) via the first hydraulic oil pipe (403), the second hydraulic oil pipe (404), and the lifting cylinder (2).
5. The emergency hydraulic system for a passenger elevator according to claim 1, characterized in that: A fixing rod (11) is fixedly connected to the top of the passenger elevator car body (1), and an anti-falling plate (12) is fixedly connected to the top of the fixing rod (11).
6. The emergency hydraulic system for a passenger elevator according to claim 5, characterized in that: The outer surface of the fixing rod (11) is slidably connected to a slide plate (13), the top of the slide plate (13) is fixedly connected to a support column (14), and the top of the support column (14) is fixedly connected to the floating cloud ladder (3).
7. The emergency hydraulic system for a passenger elevator according to claim 1, characterized in that: A placement groove (15) is provided on the inner side of the floating ladder (3), a support rod (16) is fixedly connected to the placement groove (15), a movable seat (17) is sleeved on the outer surface of the support rod (16), and the seat (5) is installed on one side of the movable seat (17).