Emergency mechanism for lower hold crane

Abstract

The utility model belongs to the field of emergency maintenance equipment of lower cabin crane, and solves the technical problem that the existing lower cabin crane engine loses oil source and cannot realize direct lifting out of equipment and maintenance when failure occurs, which affects cargo ship loading and unloading operation production and reduces production efficiency. The frame is detachably installed at the bottom of the lower cabin crane, the gasoline engine, the gasoline tank and the auxiliary hydraulic oil tank are all installed on the frame, the gasoline engine is connected with the gasoline tank through the oil pipe, the auxiliary pump is connected with the gasoline engine through the connecting flange, the auxiliary hydraulic oil tank is connected with the auxiliary pump through the rubber pipe, one end of the oil return pipe is installed on the auxiliary hydraulic oil tank, and one end of the oil supply pipe and one end of the LS pipe are both installed on the auxiliary pump; the other end of the oil return pipe, the other end of the oil supply pipe and the other end of the LS pipe are all detachably connected with the lower cabin crane, thereby realizing the circulating work of the hydraulic oil in the hydraulic oil tank of the lower cabin crane. The utility model is used for the lower cabin crane.

Description

Technical Field

[0001] This utility model relates to an emergency mechanism for a lower deck crane, belonging to the field of emergency maintenance equipment for lower deck cranes. Background Technology

[0002] In recent years, with the development of my country's ports, the throughput capacity of general cargo terminals has been continuously improving. Tracked hydraulic lowering cranes, as specialized lowering equipment in general cargo terminals, are widely used for lifting and placing cargo within ship holds. However, when the lowering equipment's engine malfunctions and loses power, it becomes inoperable. Due to factors such as the pandemic, it is inconvenient to arrange maintenance personnel to go down into the hold for repairs. Typically, when the lowering equipment is working at the edge of the hold, the location of the malfunction is a work area where direct lifting is not possible, thus affecting the loading and unloading operations of cargo ships.

[0003] In summary, the existing lower deck crane engine malfunctions and loses its fuel supply, making it impossible to directly lift the equipment for repair, which poses a technical problem that affects cargo ship loading and unloading operations and reduces production efficiency. Utility Model Content

[0004] This utility model aims to solve the technical problem that when the engine of an existing lower deck crane fails and loses its oil supply, it is impossible to directly lift the equipment for repair, which affects cargo ship loading and unloading operations and reduces production efficiency. Therefore, it provides an emergency mechanism for the lower deck crane.

[0005] The technical solution of this utility model is an emergency mechanism for a lower deck crane, which includes a frame, a gasoline engine, a gasoline tank, a connecting flange, an auxiliary pump, an auxiliary hydraulic oil tank, a return oil pipe, a supply oil pipe, and an LS pipe;

[0006] The frame is detachably installed at the bottom of the lower crane. The gasoline engine, gasoline tank and auxiliary hydraulic oil tank are all installed on the frame. The gasoline engine is connected to the gasoline tank through an oil pipe. The auxiliary pump is connected to the gasoline engine through a connecting flange. The auxiliary hydraulic oil tank is connected to the auxiliary pump through a rubber hose. One end of the return oil pipe is installed on the auxiliary hydraulic oil tank. One end of the supply oil pipe and one end of the LS pipe are both installed on the auxiliary pump.

[0007] The other end of the return oil pipe, the other end of the supply oil pipe, and the other end of the LS pipe are all detachably connected to the lower cabin crane, thereby enabling the circulation of hydraulic oil in the hydraulic oil tank of the lower cabin crane.

[0008] As another improvement of this utility model, the other end of the return oil pipe is connected to the hydraulic oil tank of the lower cabin crane, and the other end of the oil supply pipe and the other end of the LS pipe are both connected to the hydraulic main pump of the lower cabin crane.

[0009] As another improvement of this utility model, the hydraulic main pump of the lower deck crane is equipped with a hydraulic main pump quick-change device and a hydraulic main pump LS quick-change device. The other end of the oil supply pipe is connected to the hydraulic main pump of the lower deck crane through the hydraulic main pump quick-change device, and the other end of the LS pipe is connected to the hydraulic main pump of the lower deck crane through the hydraulic main pump LS quick-change device.

[0010] As another improvement of this utility model, the other end of the return oil pipe is connected to the hydraulic oil tank of the lower cabin crane, and the other end of the oil supply pipe and the other end of the LS pipe are both connected to the rotary pump of the lower cabin crane.

[0011] As another improvement of this utility model, the rotary pump of the lower deck crane is equipped with a rotary pump quick-change device and a rotary pump LS quick-change device. The other end of the oil supply pipe is connected to the rotary pump of the lower deck crane through the rotary pump quick-change device, and the other end of the LS pipe is connected to the rotary pump of the lower deck crane through the rotary pump LS quick-change device.

[0012] As another improvement of this utility model, the auxiliary pump adopts a load-sensitive variable displacement piston pump.

[0013] As another improvement of this utility model, it also includes a walking wheel, which is mounted on the bottom of the frame.

[0014] As another improvement of this utility model, it also includes a hinge, through which the frame is detachably mounted on the bottom of the lower cabin crane.

[0015] As another improvement of this utility model, the hydraulic oil tank of the lower cabin crane is equipped with a hydraulic oil tank quick-change device, and the other end of the return oil pipe is connected to the hydraulic oil tank of the lower cabin crane through the hydraulic oil tank quick-change device.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model relates to an emergency mechanism for a lower hold crane, which is connected to the lower hold crane to provide a high-pressure oil source. The hydraulic oil circulates through the main hydraulic oil tank of the lower hold crane and the return oil pipe to the auxiliary hydraulic oil tank. The LS pipe enables signal communication between the emergency mechanism and the lower hold crane. At this time, operating the handle of the lower hold crane can realize all the original vehicle actions, realize the lowering of cargo, restore the driving state, drive to a position in the hold where it can be lifted out, and lift the equipment out for maintenance.

[0018] 2. This utility model provides an emergency mechanism for a lower-cabin crane. Through rapid docking between the emergency mechanism and the lower-cabin crane, the lower-cabin crane can be moved out of its designated position as quickly as possible. It features a simple structure, convenient operation, lightweight construction, rapid and sensitive response, energy efficiency, and safety and reliability. Attached Figure Description

[0019] Figure 1This is a structural schematic diagram of an emergency mechanism for a lower cabin crane according to this utility model.

[0020] Figure 2 This is a schematic diagram of the first structure of an emergency mechanism for a lower cabin crane during installation.

[0021] Figure 3 This is a schematic diagram of the second structure of an emergency mechanism for a lower cabin crane during installation according to this utility model. Detailed Implementation

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Specific implementation method one: Combining Figures 1 to 3 This embodiment describes an emergency mechanism for a lower deck crane, characterized in that it includes a frame 1, a gasoline engine 2, a gasoline tank 3, a connecting flange 4, an auxiliary pump 5, an auxiliary hydraulic oil tank 6, a return oil pipe 9, an oil supply pipe 10, and an LS pipe 11.

[0024] The frame 1 is detachably installed at the bottom of the lower crane. The gasoline engine 2, gasoline tank 3 and auxiliary hydraulic oil tank 6 are all installed on the frame 1. The gasoline engine 2 is connected to the gasoline tank 3 through an oil pipe. The auxiliary pump 5 is connected to the gasoline engine 2 through a connecting flange 4. The auxiliary hydraulic oil tank 6 is connected to the auxiliary pump 5 through a rubber hose. One end of the return oil pipe 9 is installed on the auxiliary hydraulic oil tank 6. One end of the supply oil pipe 10 and one end of the LS pipe 11 are both installed on the auxiliary pump 5.

[0025] The other ends of the return oil pipe 9, the supply oil pipe 10, and the LS pipe 11 are all detachably connected to the lower hold crane, thereby enabling the circulation of hydraulic oil in the lower hold crane's hydraulic oil tank. Through the connection between the emergency mechanism and the lower hold crane in this embodiment, a high-pressure oil source is provided to the lower hold crane. The hydraulic oil circulates through the lower hold crane's main hydraulic oil tank and the return oil pipe 9 to the auxiliary hydraulic oil tank. The LS pipe 11 enables signal communication between the emergency mechanism and the lower hold crane. At this time, operating the lower hold crane's handle allows for all original vehicle actions, enabling the lowering of cargo, restoration of driving status, and movement to a suitable lifting position in the hold to lift the equipment out for maintenance. This embodiment features a simple structure, convenient operation, lightweight design, rapid and sensitive response, energy efficiency, and safety and reliability. Through the rapid docking of the emergency mechanism with the lower hold crane in this embodiment, the lower hold crane can be moved out of the hold as quickly as possible.

[0026] Specific Implementation Method Two: Combining Figures 1 to 3This embodiment differs from Specific Embodiment 1 in that the other end of the return oil pipe 9 is connected to the hydraulic oil tank of the lower deck crane, and the other ends of the oil supply pipe 10 and the LS pipe 11 are both connected to the hydraulic main pump of the lower deck crane. In this embodiment, the gasoline engine 2 of the emergency mechanism is ignited, and the luffing, telescopic, winching, and traveling operations can be achieved by moving the corresponding handle of the lower deck crane. Other components and connection methods are the same as in Specific Embodiment 1.

[0027] Specific implementation method three: Combining Figures 1 to 3 This embodiment differs from specific embodiment one in that the hydraulic main pump of the lower hold crane is equipped with a hydraulic main pump quick-change device 12 and a hydraulic main pump LS quick-change device 13. The other end of the oil supply pipe 10 is connected to the hydraulic main pump of the lower hold crane via the hydraulic main pump quick-change device 12, and the other end of the LS pipe 11 is connected to the hydraulic main pump of the lower hold crane via the hydraulic main pump LS quick-change device 13. This design enables rapid docking and facilitates the quick removal of equipment from the hold, improving work efficiency. Other components and connections are the same as in specific embodiment one or two.

[0028] Specific implementation method four: Combination Figures 1 to 3 This embodiment differs from specific embodiment one in that the other end of the return oil pipe 9 is connected to the hydraulic oil tank of the lower deck crane, and the other ends of the oil supply pipe 10 and the LS pipe 11 are both connected to the rotary pump of the lower deck crane. In this embodiment, the gasoline engine 2 of the emergency mechanism is ignited, and the rotary operation can be achieved by moving the corresponding handle. Other components and connection methods are the same as any one of specific embodiments one to three.

[0029] Specific Implementation Method Five: Combining Figures 1 to 3 This embodiment differs from specific embodiment one in that the rotary pump of the lower hold crane is equipped with a rotary pump quick-change device 14 and a rotary pump LS quick-change device 15. The other end of the oil supply pipe 10 is connected to the rotary pump of the lower hold crane via the rotary pump quick-change device 14, and the other end of the LS pipe 11 is connected to the rotary pump of the lower hold crane via the rotary pump LS quick-change device 15. This design enables rapid docking and facilitates the quick removal of equipment from the hold, improving work efficiency. Other components and connection methods are the same as in any one of specific embodiments one to four.

[0030] Specific Implementation Method Six: Combination Figures 1 to 3This embodiment differs from specific embodiment one in that the auxiliary pump 5 uses a load-sensitive variable displacement piston pump. The auxiliary pump is a load-sensitive variable displacement piston pump matched to the original vehicle system, and the hydraulic circuit adopts an integrated oil circuit block structure, resulting in a simple and compact overall system structure. An air-cooled gasoline engine with appropriate power to drive the original lower-cab crane at slow speeds provides power to the emergency mechanism, achieving the goal of lightweighting the emergency mechanism and facilitating a smooth connection between the emergency mechanism and the original lower-cab crane. Other components and connection methods are the same as any one of specific embodiments one through five.

[0031] Specific implementation method seven: Combining Figures 1 to 3 This embodiment differs from specific embodiment one in that it also includes wheels 7, which are mounted on the bottom of the frame 1. This design facilitates the movement of the emergency response mechanism in this embodiment. Other components and connection methods are the same as in any one of specific embodiments one through six.

[0032] Specific implementation method eight: Combination Figures 1 to 3 This embodiment differs from specific embodiment one in that it also includes a hinge 8, allowing the frame 1 to be detachably mounted on the bottom of the lower deck crane via the hinge 8. The emergency mechanism in this embodiment can be moved with the lower deck crane or stored separately, offering convenience and speed. Other components and connection methods are the same as any one of specific embodiments one through seven.

[0033] Specific Implementation Method Nine: Combining Figures 1 to 3 This embodiment differs from specific embodiment one in that it is equipped with a hydraulic oil tank quick-change device 16 on the hydraulic oil tank of the lower deck crane. The other end of the return oil pipe 9 is connected to the hydraulic oil tank of the lower deck crane through the hydraulic oil tank quick-change device 16. This design enables rapid docking and improves work efficiency. Other components and connection methods are the same as in any one of specific embodiments one through nine.

[0034] Combination Figures 1 to 3 Explanation of the working principle of this utility model:

[0035] This utility model connects the emergency mechanism to the lower hold crane, providing a high-pressure oil source for the crane. The hydraulic oil circulates through the main oil tank of the lower hold crane and the return oil pipe to the auxiliary oil tank. The LS pipe enables signal communication between the emergency mechanism and the lower hold crane. At this time, operating the handle of the lower hold crane can realize all the original vehicle actions, enabling the lowering of cargo, restoration of driving status, and driving to a position in the hold where it can be lifted out for maintenance.

[0036] This emergency mechanism is a hydraulic system compatible with the original lower deck crane. The auxiliary pump is a load-sensitive variable displacement piston pump compatible with the original vehicle system, and the hydraulic circuit adopts an integrated oil circuit block structure, resulting in a simple and compact overall system structure. An air-cooled gasoline engine with appropriate power to drive the original lower deck crane at slow speeds provides power to the emergency mechanism, achieving a lightweight design and facilitating a smooth connection between the emergency mechanism and the original lower deck crane.

[0037] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An emergency mechanism for a lower deck crane, characterized in that... It includes a frame (1), a gasoline engine (2), a gasoline tank (3), a connecting flange (4), an auxiliary pump (5), an auxiliary hydraulic oil tank (6), a return oil pipe (9), an oil supply pipe (10), and an LS pipe (11). The frame (1) is detachably installed at the bottom of the lower cabin crane. The gasoline engine (2), gasoline tank (3) and auxiliary hydraulic oil tank (6) are all installed on the frame (1). The gasoline engine (2) is connected to the gasoline tank (3) through an oil pipe. The auxiliary pump (5) is connected to the gasoline engine (2) through a connecting flange (4). The auxiliary hydraulic oil tank (6) is connected to the auxiliary pump (5) through a rubber hose. One end of the return oil pipe (9) is installed on the auxiliary hydraulic oil tank (6). One end of the supply oil pipe (10) and one end of the LS pipe (11) are both installed on the auxiliary pump (5). The other end of the return oil pipe (9), the other end of the supply oil pipe (10), and the other end of the LS pipe (11) are detachably connected to the lower cabin crane, thereby realizing the circulation of hydraulic oil in the hydraulic oil tank of the lower cabin crane.

2. The emergency mechanism for a lower deck crane according to claim 1, characterized in that, The other end of the return oil pipe (9) is connected to the hydraulic oil tank of the lower cabin crane, and the other end of the supply oil pipe (10) and the other end of the LS pipe (11) are both connected to the hydraulic main pump of the lower cabin crane.

3. The emergency mechanism for a lower deck crane according to claim 2, characterized in that, The hydraulic main pump of the lower deck crane is equipped with a hydraulic main pump quick-change device (12) and a hydraulic main pump LS quick-change device (13). The other end of the oil supply pipe (10) is connected to the hydraulic main pump of the lower deck crane through the hydraulic main pump quick-change device (12), and the other end of the LS pipe (11) is connected to the hydraulic main pump of the lower deck crane through the hydraulic main pump LS quick-change device (13).

4. The emergency mechanism for a lower deck crane according to claim 1, characterized in that, The other end of the return oil pipe (9) is connected to the hydraulic oil tank of the lower cabin crane, and the other end of the oil supply pipe (10) and the other end of the LS pipe (11) are both connected to the rotary pump of the lower cabin crane.

5. The emergency mechanism for a lower deck crane according to claim 4, characterized in that, The rotary pump of the lower deck crane is equipped with a rotary pump quick-change device (14) and a rotary pump LS quick-change device (15). The other end of the oil supply pipe (10) is connected to the rotary pump of the lower deck crane through the rotary pump quick-change device (14), and the other end of the LS pipe (11) is connected to the rotary pump of the lower deck crane through the rotary pump LS quick-change device (15).

6. The emergency mechanism for a lower deck crane according to claim 1, characterized in that, The auxiliary pump (5) is a load-sensitive variable displacement piston pump.

7. The emergency mechanism for a lower deck crane according to claim 1, characterized in that... It also includes a walking wheel (7) which is mounted on the bottom of the frame (1).

8. An emergency mechanism for a lower deck crane according to any one of claims 1 to 7, characterized in that... It also includes a hinge (8), and the frame (1) is detachably mounted on the bottom of the lower cabin crane via the hinge (8).

9. An emergency mechanism for a lower deck crane according to any one of claims 1 to 7, characterized in that, The hydraulic oil tank of the lower cabin crane is equipped with a hydraulic oil tank quick-change device (16), and the other end of the return oil pipe (9) is connected to the hydraulic oil tank of the lower cabin crane through the hydraulic oil tank quick-change device (16).

Images