Horizontal hoisting device for main bearing seat of high-power low-speed diesel engine base

Abstract

The utility model belongs to the field of marine horizontal hoisting devices, and relates to a horizontal hoisting device for a main bearing seat of a high-power low-speed diesel engine base. A horizontal hoisting device for a main bearing seat of a high-power low-speed diesel engine base is characterized by comprising an elevator (2), a first horizontal hoisting component (3-1) and a second horizontal hoisting component (3-2), and the first horizontal hoisting component (3-1) is fixedly connected with a first hoisting rope (4-1) through a first shackle (5-1); the second horizontal hoisting part (3-2) is fixedly connected with the first hoisting rope (4-2) through the second shackle (5-2), and the elevator (2) is hinged to the third hoisting rope (4-3). The hoisting device has the beneficial effects that the hoisting rope is small in abrasion, uniform in stress and convenient and fast to install, and the efficiency and safety of horizontal hoisting of the main bearing seat of the high-power low-speed diesel engine base are improved.

Description

Technical Field

[0001] The invention belongs to the field of ship horizontal lifting devices, and relates to a horizontal lifting device for a main bearing seat of a high-power low-speed diesel engine seat. Background Art

[0002] The main bearing of the high-power low-speed diesel engine is produced by casting, and the workpiece itself is not designed with a special lifting position. The main shaft bearing seat of the engine base has holes of different diameters in both horizontal and vertical directions and they are connected.

[0003] In the prior art, the horizontal lifting of the main bearing seat of a high-power low-speed diesel engine base is carried out by passing a steel wire rope ring through two connected mutually perpendicular holes of the main bearing seat, and then connecting the main steel wire rope with an iron rod longer than the hole diameter in the horizontal direction outside the horizontal hole for lifting. This form is prone to the problem of the iron rod falling off during the process of lifting the workpiece to the rope straightening and falling, which poses a serious safety hazard, and this lifting method causes irreversible damage to the steel wire rope. Summary of the invention

[0004] The present invention aims to solve the problems in the prior art that the main bearing seat of a high-power low-speed diesel engine base is prone to falling off during the process of lifting the workpiece to straightening the rope and falling, which poses a serious safety hazard and causes irreversible damage to the wire rope. A horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base is provided, which is characterized by comprising a lifting card, a horizontal lifting component one, a horizontal lifting component two, a shackle one, a shackle two, a lifting rope one, a lifting rope two, a lifting rope three, and a crane hook; wherein: the horizontal lifting component one is fixedly connected to the lifting rope one through the shackle one; the horizontal lifting component two is fixedly connected to the lifting rope one through the shackle two, and the lifting card is hinged to the lifting rope three; the horizontal lifting component one and the horizontal lifting component two are both hexagonal plate structures of the same shape; two opposite sides of the hexagonal plate structure are parallel, and the two ends of one of the two parallel opposite sides are respectively perpendicular to the other two sides of the hexagon.

[0005] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, it is characterized in that: the horizontal lifting component one and the horizontal lifting component two are both provided with a hole one and a hole two in the same position; a shackle shaft one is provided on the hole one, and a shackle shaft two is provided on the hole two, and the horizontal lifting component one is fixedly connected to the shackle one through the shackle shaft one; the horizontal lifting component two is fixedly connected to the shackle two through the shackle shaft two.

[0006] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, the characteristics are: the elevator is three-hinged with the lifting rope through the lifting clamp; the elevator is a QY type pre-tightening elevator.

[0007] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, it is characterized in that the thickness of the horizontal lifting component one and the horizontal lifting component two are both 20mm-35mm, and the material is marine grade B plate.

[0008] According to the above-mentioned horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base, it is characterized in that the lengths of the two parallel opposite sides of the horizontal lifting component one and the horizontal lifting component two are respectively 60mm-70mm and 40-60mm, and the distance between the two opposite sides is 140mm-150mm; the lengths of the other two parallel opposite sides are respectively 380mm-420mm and 240-250mm.

[0009] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, it is characterized in that the diameters of hole one of horizontal lifting component one and hole two of horizontal lifting component two are both 20mm-25mm.

[0010] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, it is characterized in that the first shackle and the second shackle are both American bow-shaped die-forged shackles.

[0011] According to the above-mentioned horizontal lifting device for the main bearing seat of the high-power low-speed diesel engine base, it is characterized in that the model of the lifting card is QY-10A.

[0012] The advantages of the present invention compared with the prior art are:

[0013] 1. The present invention designs the shape and size of the horizontal lifting component 1 and the horizontal lifting component 2 of the horizontal lifting device for the main bearing seat of the engine base of a high-power low-speed diesel engine through simulation calculation. When the horizontal lifting component 1 and the horizontal lifting component 2 are subjected to an upward force, there is a tendency for them to escape from the horizontal hole of the engine base main bearing seat. At this time, the horizontal lifting component 1 and the horizontal lifting component 2 form an obstructive force with the inner side walls of the hole in the vertical direction of the engine base main bearing seat, and at the same time, the upper and lower side walls of the horizontal hole of the engine base main bearing seat form an interaction force, thereby achieving relatively stable force on the horizontal lifting component 1 and the horizontal lifting component 2 in the horizontal and vertical holes inside the engine base main bearing seat, and the lifting rope is evenly stressed, thereby improving the safety of lifting.

[0014] 2. The present invention designs the shape and size of the horizontal lifting component 1 and the horizontal lifting component 2 of the horizontal lifting device for the main bearing seat of the engine base of a high-power low-speed diesel engine through simulation calculation. After lifting, the horizontal lifting component 1 and the horizontal lifting component 2 are pushed downward, and the horizontal lifting component 1 and the horizontal lifting component 2 can slide freely out of the vertical hole of the main bearing seat of the engine base, which is convenient and quick, and improves the lifting efficiency.

[0015] 3. The present invention uses a horizontal lifting component 1 and a lifting rope 1 to be fixedly connected through a shackle 1; a horizontal lifting component 2 is fixedly connected to a lifting rope 1 through a shackle 2, and a lifting card and a lifting rope 3 are hinged; the lifting rope used for horizontal lifting of the main bearing seat of a high-power low-speed diesel engine base has little wear, reduces the steel wire rope, and further improves the safety of lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the installation position of the horizontal lifting device for the main bearing seat of a high-power, low-speed diesel engine.

[0017] Figure 2 Schematic diagram of the use status of the horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base.

[0018] Figure 3 AA section diagram of the use status diagram of the horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base.

[0019] Figure 4 Schematic diagram of the lifting state of the horizontal lifting components of the horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base.

[0020] In the figure: 2: lifting card; 3-1: horizontal lifting component one; 3-2: horizontal lifting component two; 5-1: shackle one; 5-2: shackle two; 4-1: lifting rope one; 4-2: lifting rope two; 4-3: lifting rope three; 6: crane hook; 7-1: hole one; 7-2: hole two; 8-1: shackle shaft one; 8-2: shackle shaft two. DETAILED DESCRIPTION

[0021] Preferred embodiment 1

[0022] A horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base: includes a lifting card 2, a horizontal lifting component 3-1, a horizontal lifting component 3-2, a shackle 5-1, a shackle 5-2, a lifting rope 4-1, a lifting rope 4-2, a lifting rope 3 4-3, and a crane hook 6; wherein: the horizontal lifting component 3-1 is fixedly connected to the lifting rope 4-1 through the shackle 5-1; the horizontal lifting component 3-2 is fixedly connected to the lifting rope 4-2 through the shackle 5-2, and the lifting card 2 is hinged to the lifting rope 3 4-3; the horizontal lifting component 3-1 and the horizontal lifting component 3-2 are both hexagonal plate structures of the same shape; two opposite sides of the hexagonal plate structure are parallel, and the two ends of one of the two parallel opposite sides are respectively perpendicular to the other two sides of the hexagon.

[0023] The horizontal lifting component 1 3-1 and the horizontal lifting component 2 3-2 are both provided with a hole 1 7-1 and a hole 2 7-2 at the same position; a shackle shaft 1 8-1 is provided on the hole 1 7-1, and a shackle shaft 2 8-2 is provided on the hole 2 7-2; the horizontal lifting component 1 3-1 and the shackle 1 5-1 are fixedly connected via the shackle shaft 1 8-1; the horizontal lifting component 2 3-2 and the shackle 2 5-2 are fixedly connected via the shackle shaft 2 8-2.

[0024] The elevator 2 is hinged to the lifting rope 3 4-3 through a lifting clamp; the elevator 2 is a QY type pre-tightening elevator.

[0025] The thickness of the horizontal lifting component 1 3 - 1 and the horizontal lifting component 2 3 - 2 are both 20 mm to 35 mm, and the material is marine grade B plate.

[0026] The lengths of the two parallel opposite sides of the horizontal lifting component 1 3 - 1 and the horizontal lifting component 2 3 - 2 are 65mm-70mm and 50-60mm respectively, and the distance between the two opposite sides is 145mm-150mm; the lengths of the other two parallel opposite sides are 400mm-420mm and 245-250mm respectively.

[0027] The diameters of the hole 7-1 of the horizontal lifting component 3-1 and the hole 7-2 of the horizontal lifting component 3-2 are both 22mm-25mm.

[0028] The shackle 1 5 - 1 and the shackle 2 5 - 2 are both American bow-shaped die-forged shackles.

[0029] The model of the elevator 2 is QY-10A.

[0030] The shapes and sizes of the horizontal lifting components 1 3-1 and 2 3-2 and their lifting positions with respect to the main bearing seat 1 of the machine base are designed through simulation calculations. Through simulation calculations, when the horizontal lifting components 1 3-1 and 2 3-2 are subjected to upward force, there is a tendency for them to escape from the horizontal hole of the main bearing seat 1 of the machine base. At this time, the horizontal lifting components 1 3-1 and 2 3-2 form an obstruction force with the inner wall of the hole in the vertical direction of the main bearing seat 1 of the machine base, and at the same time, the upper and lower side walls of the horizontal hole of the main bearing seat 1 of the machine base form an interaction force, thereby achieving a relatively stable force on the horizontal and vertical holes of the horizontal lifting components 1 3-1 and 2 3-2 in the internal horizontal and vertical holes of the main bearing seat 1 of the machine base. After the lifting process is completed, the horizontal lifting components 1 3-1 and 2 3-2 are pushed downward and can slide freely out of the vertical hole of the main bearing seat 1 of the machine base.

[0031] Preferred embodiment 2

[0032] A horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base: includes a lifting card 2, a horizontal lifting component 3-1, a horizontal lifting component 3-2, a shackle 5-1, a shackle 5-2, a lifting rope 4-1, a lifting rope 4-2, a lifting rope 3 4-3, and a crane hook 6; wherein: the horizontal lifting component 3-1 is fixedly connected to the lifting rope 4-1 through the shackle 5-1; the horizontal lifting component 3-2 is fixedly connected to the lifting rope 4-2 through the shackle 5-2, and the lifting card 2 is hinged to the lifting rope 3 4-3; the horizontal lifting component 3-1 and the horizontal lifting component 3-2 are both hexagonal plate structures of the same shape; two opposite sides of the hexagonal plate structure are parallel, and the two ends of one of the two parallel opposite sides are respectively perpendicular to the other two sides of the hexagon.

[0033] The horizontal lifting component 1 3-1 and the horizontal lifting component 2 3-2 are both provided with a hole 1 7-1 and a hole 2 7-2 at the same position; a shackle shaft 1 8-1 is provided on the hole 1 7-1, and a shackle shaft 2 8-2 is provided on the hole 2 7-2; the horizontal lifting component 1 3-1 and the shackle 1 5-1 are fixedly connected via the shackle shaft 1 8-1; the horizontal lifting component 2 3-2 and the shackle 2 5-2 are fixedly connected via the shackle shaft 2 8-2.

[0034] The elevator 2 is hinged to the lifting rope 3 4-3 through a lifting clamp; the elevator 2 is a QY type pre-tightening elevator.

[0035] The thickness of the horizontal lifting component 1 3 - 1 and the horizontal lifting component 2 3 - 2 are both 20 mm to 35 mm, and the material is marine grade B plate.

[0036] The lengths of the two parallel opposite sides of the horizontal lifting component 1 3 - 1 and the horizontal lifting component 2 3 - 2 are 65 mm and 50 mm respectively, and the distance between the two opposite sides is 145 mm; the lengths of the other two parallel opposite sides are 400 mm and 245 mm respectively.

[0037] The diameters of the hole 7-1 of the horizontal lifting component 3-1 and the hole 7-2 of the horizontal lifting component 3-2 are both 25 mm.

[0038] The shackle 1 5 - 1 and the shackle 2 5 - 2 are both American bow-shaped die-forged shackles.

[0039] The model of the elevator 2 is QY-10A.

[0040] The shapes and sizes of the horizontal lifting components 1 3-1 and 2 3-2 and their lifting positions with respect to the main bearing seat 1 of the machine base are designed through simulation calculations. Through simulation calculations, when the horizontal lifting components 1 3-1 and 2 3-2 are subjected to upward force, they will tend to escape from the horizontal hole of the main bearing seat 1 of the machine base. At this time, the horizontal lifting components 1 3-1 and 2 3-2 form an obstruction force with the inner wall of the hole in the vertical direction of the main bearing seat 1 of the machine base, and at the same time, the upper and lower side walls of the horizontal hole of the main bearing seat 1 of the machine base form an interaction force, thereby achieving a relatively stable force on the horizontal and vertical holes of the horizontal lifting components 1 3-1 and 2 3-2 in the internal holes of the main bearing seat 1 of the machine base. After the lifting process is completed, the horizontal lifting components 1 3-1 and 2 3-2 are pushed downward, and they can slide freely out of the main bearing seat 1 of the machine base.

Claims

1. Horizontal lifting device for main bearing seat of high-power low-speed diesel engine, characterized by: It comprises a lifting card (2), a horizontal lifting component one (3-1), a horizontal lifting component two (3-2), a shackle one (5-1), a shackle two (5-2), a lifting rope one (4-1), a lifting rope two (4-2), a lifting rope three (4-3), and a crane hook (6); wherein: the horizontal lifting component one (3-1) is fixedly connected to the lifting rope one (4-1) via the shackle one (5-1); the horizontal lifting component two (3-2) is fixedly connected to the lifting rope one (4-1) via the shackle two (5-2), and the lifting card (2) is hinged to the lifting rope three (4-3); the horizontal lifting component one (3-1) and the horizontal lifting component two (3-2) are both hexagonal plate structures of the same shape; two opposite sides of the hexagonal plate structure are parallel, and the two ends of one of the two opposite parallel sides are respectively perpendicular to the other two sides of the hexagon.

2. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 1 is characterized in that: The horizontal lifting component one (3-1) and the horizontal lifting component two (3-2) are both provided with a hole one (7-1) and a hole two (7-2) at the same position; a shackle shaft one (8-1) is provided on the hole one (7-1), and a shackle shaft two (8-2) is provided on the hole two (7-2); the horizontal lifting component one (3-1) and the shackle one (5-1) are fixedly connected via the shackle shaft one (8-1); the horizontal lifting component two (3-2) and the shackle two (5-2) are fixedly connected via the shackle shaft two (8-2).

3. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 1 or 2, characterized in that: The elevator (2) is hinged to the lifting rope three (4-3) through a lifting clamp; the elevator (2) is a QY type pre-tightening elevator.

4. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 3 is characterized in that: The thickness of the horizontal lifting component 1 (3-1) and the horizontal lifting component 2 (3-2) are both 20mm-35mm, and the material is marine grade B plate.

5. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine base according to claim 4 is characterized in that: The lengths of the two parallel opposite sides of the horizontal lifting component 1 (3-1) and the horizontal lifting component 2 (3-2) are 60mm-70mm and 40-60mm respectively, and the distance between the two opposite sides is 140mm-150mm; the lengths of the other two parallel opposite sides are 380mm-420mm and 240-250mm respectively.

6. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 5 is characterized in that: The diameters of hole 1 (7-1) of horizontal lifting component 1 (3-1) and hole 2 (7-2) of horizontal lifting component 2 (3-2) are both 20mm-25mm.

7. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 4 is characterized in that: The shackle 1 (5-1) and the shackle 2 (5-2) are both American bow-shaped die-forged shackles.

8. The horizontal lifting device for the main bearing seat of a high-power low-speed diesel engine according to claim 1 or 2, characterized in that: The model of the elevator (2) is QY-10A.

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