Shaft hoisting device suitable for ship long shaft tunnel

Abstract

The shaft hoisting device comprises an outer frame steel frame, a first H-shaped steel frame and a second H-shaped steel frame, the first H-shaped steel frame and the second H-shaped steel frame are connected in a crossed mode, and the included angle between the first H-shaped steel frame and the second H-shaped steel frame is 90 degrees. A first lifting lug is welded to the first H-shaped steel frame and used for lifting a shaft engine, second lifting rings are welded to the outer side of the junction between the first H-shaped steel frame at the end and the outer frame steel frame and the outer side of the junction between the second H-shaped steel frame and the outer frame steel frame correspondingly, and the second lifting rings are used for being connected with a crane. The mounting hole and the fastening hole assembled on the shaft engine are in fastening connection with the shaft engine hoisting device, the shaft engine hoisting device is used for hoisting the shaft engine, the assembly of the shaft engine is not interfered, and the shaft engine can enter a cabin through an opening in a deck, so that temporary cutting of a hull structure / platform is avoided, the shaft engine is conveniently and quickly mounted at low cost, and the mounting efficiency is improved. And the device can be repeatedly used and has a relatively good economic value.

Description

Technical Field

[0001] This utility model relates to the field of equipment in the field of marine technology, and in particular to a shaft hoisting device applicable to long shaft tunnels of ships. Background Technology

[0002] Because the shaft generator is irregular and cannot be lifted with general lifting equipment, the existing shaft generator installation requires temporary removal of the hull structure or hull platform. The shaft generator is then carried by manpower and sent into the hull through the cut notch to complete the installation. The hull structure or hull platform is then re-welded, which increases the ship's docking time. Utility Model Content

[0003] This utility model aims to at least solve one of the technical problems existing in the prior art. To this end, a first aspect of this utility model provides a shaft lifting device suitable for long shaft tunnels of ships, comprising an outer frame steel frame, a first H-shaped steel frame, and a second H-shaped steel frame. The first H-shaped steel frame and the second H-shaped steel frame are cross-connected, and the included angle between the first H-shaped steel frame and the second H-shaped steel frame is 90°. A first lifting lug is welded to the first H-shaped steel frame for lifting the shaft. Second lifting rings are welded to the outer side of the junction between the first H-shaped steel frame and the outer frame steel frame, and to the outer side of the junction between the second H-shaped steel frame and the outer frame steel frame, respectively. These second lifting rings are used for connection to a crane.

[0004] According to some embodiments of this utility model, two first H-shaped steel frames and one second H-shaped steel frame are used. The ends of the first H-shaped steel frames are welded to the outer frame steel frame, and the second H-shaped steel frames are welded to the outer frame steel frame.

[0005] According to some embodiments of the present invention, a diagonal steel frame is welded between the first H-shaped steel frame and the outer frame steel frame.

[0006] According to some embodiments of the present invention, the first H-shaped steel frame and the second H-shaped steel frame are connected by an elbow plate.

[0007] According to some embodiments of the present invention, the end of the second H-shaped steel frame is connected to the outer frame steel frame by an elbow plate.

[0008] This utility model has at least the following beneficial effects:

[0009] The shaft is secured to the hoisting device by using the mounting holes and fastening holes on the shaft. While the shaft is being lifted by the hoisting device, it does not interfere with the assembly of the shaft. It can also be accessed through the opening on the deck, avoiding the temporary removal of the hull structure / platform. The shaft can be installed conveniently, quickly and at low cost, and can be reused, thus having good economic value.

[0010] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0011] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0012] Figure 1 This is a top view of the first aspect of the present invention.

[0013] Figure 2 for Figure 1 Schematic diagram of the AA section;

[0014] Figure 3 for Figure 1 Schematic diagram of the BB cross section;

[0015] Figure 4 for Figure 1 Schematic diagram of the CC section;

[0016] Figure 5 for Figure 1 Schematic diagram of the DD section;

[0017] Figure 6 for Figure 1 Schematic diagram of the EE cross section. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0019] Reference Figures 1 to 6 As shown, a shaft lifting device suitable for long shaft tunnels of ships includes an outer frame steel frame 100, a first H-shaped steel frame 200, and a second H-shaped steel frame 300. The first H-shaped steel frame 200 and the second H-shaped steel frame 300 are cross-connected, and the included angle between the first H-shaped steel frame 200 and the second H-shaped steel frame 300 is 90°. The first H-shaped steel frame 200 is welded with a first lifting lug 400, which is used for lifting the shaft. A second lifting ring 500 is welded to the outer side of the junction between the first H-shaped steel frame 200 and the outer frame steel frame 100, and to the outer side of the junction between the second H-shaped steel frame 300 and the outer frame steel frame 100. The second lifting ring 500 is used for connecting to a crane.

[0020] The shaft is secured to the hoisting device by using the mounting holes and fastening holes on the shaft. While the shaft is being lifted by the hoisting device, it does not interfere with the assembly of the shaft. It can also be accessed through the opening on the deck, avoiding the temporary removal of the hull structure / platform. The shaft can be installed conveniently, quickly and at low cost, and can be reused, thus having good economic value.

[0021] Two first H-shaped steel frames 200 and one second H-shaped steel frame 300 are used. The ends of the first H-shaped steel frame 200 are welded to the outer frame steel frame 100, and the second H-shaped steel frame 300 is welded to the outer frame steel frame 100.

[0022] A diagonal steel frame 600 is welded between the first H-shaped steel frame 200 and the outer frame steel frame 100.

[0023] The first H-shaped steel frame 200 and the second H-shaped steel frame 300 are connected by an elbow plate 700.

[0024] The end of the second H-shaped steel frame 300 is connected to the outer frame steel frame 100 by an elbow plate 700.

[0025] A method for lifting shafts in long shaft tunnels of ships, the method using the aforementioned shaft lifting device for long shaft tunnels of ships, the lifting steps including:

[0026] 1. Hoist the shaft onto the first lifting lug 400, and connect the shaft hoisting device as a whole to the crane;

[0027] 2. The crane lifts the shaft engine to the deck opening and slowly lowers the shaft engine hoisting device;

[0028] 3. After the shaft reaches the position, hook the hand chain hoist onto the first lifting lug 400. The first hook and the hand chain hoist are stressed synchronously. After the crane is unloaded, it will retract.

[0029] 4. The first hook moves towards the stern in sync with the hand-operated hoist until the shaft reaches the designated position.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A shaft launching device for a long shaft tunnel of a ship, characterized in that, The application relates to a steel frame for a shaft generator, which comprises an outer frame steel frame (100), a first H-shaped steel frame (200) and a second H-shaped steel frame (300), the first H-shaped steel frame (200) is connected with the second H-shaped steel frame (300) in a cross mode, the included angle between the first H-shaped steel frame (200) and the second H-shaped steel frame (300) is 90 DEG, the first H-shaped steel frame (200) is welded with a first lifting lug (400), the first lifting lug (400) is used for hoisting the shaft generator, the outer side of the joint between the first H-shaped steel frame (200) and the outer frame steel frame (100) and the outer side of the joint between the second H-shaped steel frame (300) and the outer frame steel frame (100) are welded with a second lifting lug (500), and the second lifting lug (500) is used for being connected with a crane.

2. A shaft launching device for use in launching a long shaft tunnel of a ship according to claim 1, wherein The first H-shaped steel frame (200) adopts two, the second H-shaped steel frame (300) adopts one, the end of the first H-shaped steel frame (200) is welded with the outer frame steel frame (100), and the second H-shaped steel frame (300) is welded with the outer frame steel frame (100).

3. A shaft launching device for use in launching a long shaft tunnel of a ship according to claim 2, wherein The first H-shaped steel frame (200) and the outer frame steel frame (100) are welded with a diagonal steel frame (600).

4. The shaft launching device for long shaft tunnel of ship according to claim 1, characterized in that, The first H-shaped steel frame (200) and the second H-shaped steel frame (300) are connected through a knee plate (700).

5. The device according to claim 1, wherein the device is characterized by: The end of the second H-shaped steel frame (300) and the outer frame steel frame (100) are connected through a knee plate (700).

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