Ship lifting mechanism

Abstract

The utility model discloses a ship lifting mechanism in the technical field of lifting mechanisms, which comprises a vertical plate and a moving block, a base is welded at the bottom of the vertical plate, racks are mounted on two sides of the vertical plate in an embedded manner, and an upper plate is welded at the upper end of the vertical plate. A worm gear and a driving gear are welded to a middle shaft at the bottom of one end of a moving block, the driving gear is matched and meshed with a rack, a servo motor drives a worm and drives the moving block to vertically move on a vertical plate, one end of the moving block is movably connected with a mounting table, the bottom of the mounting table is supported through an electric rod, and the mounting table is in a horizontal state; when the equipment needs to vertically descend to be hidden and protected, the electric rod retracts, the mounting table is vertically placed, the moving block vertically descends on the vertical plate, the moving block can move on the vertical plate in a full-stroke mode, the moving range is large, the folded mounting table drives the whole equipment to vertically descend, the whole occupied area is small after the equipment is folded and descended, and the moving stroke range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting mechanisms, in particular to a ship lifting mechanism. Background Art

[0002] LNG ships are special ships that transport liquefied gas at a low temperature of -163 degrees Celsius. They are high-tech, high-difficulty, and high-value-added products, and are a kind of "super refrigerated truck on the sea". The storage tanks of LNG ships are a special structure independent of the hull. In the design of this ship, the main factors considered are materials that can adapt to low-temperature media and the handling of volatile or flammable materials. When LNG ships sail on the sea, a variety of monitoring equipment needs to be installed on the hull. Some precision equipment is hidden and raised in protective devices in complex weather to protect the equipment.

[0003] However, the existing ship lifting mechanisms mostly perform vertical displacement and lifting through hydraulic lifting rods. The mounting platform of ordinary lifting structures cannot be folded, and occupies a large installation space on the ship after being hidden and lifted. In addition, the vertical movement of ordinary hydraulic lifting rods is the lifting stroke of the hydraulic rod moving parts, and it cannot move vertically within the overall range of the lifting equipment. The vertical lifting stroke range is greatly limited and the scope of application is small. Based on this, the utility model designs a ship lifting mechanism to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a ship lifting mechanism to solve the problems that the installation platform of the above-mentioned ordinary lifting structure cannot be folded, and occupies a large installation space of the ship after hidden lifting, and the vertical movement of the ordinary hydraulic lifting rod is the lifting stroke of the hydraulic rod moving part, and cannot move vertically within the overall range of the lifting equipment, and the vertical lifting stroke range is greatly limited.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ship lifting mechanism comprises a vertical plate and a moving block, a base is welded at the bottom of the vertical plate, racks are embedded and installed on both sides of the vertical plate, an upper plate is welded at the upper end of the vertical plate, a mounting groove is opened in the moving block, the upper plate is slidably mounted on the vertical plate, a central axis is penetrated and installed on one side of the bottom end of the upper plate, a worm gear is welded in the middle of the central axis, driving gears are welded at both ends of the central axis, the driving gears match and mesh with the rack, a servo motor is fixedly installed at the bottom of the moving block, a worm is connected to the output end of the servo motor, and the worm is matched and meshed with the worm gear, one side of the upper end of the moving block is movably connected to a mounting platform, one side of the moving block is movably connected to an electric rod, and the moving end of the electric rod is movably connected to the bottom end of the mounting platform.

[0007] As a further solution of the utility model: the base is a square plate, and a plurality of side plates are welded on both sides of the base.

[0008] As a further solution of the utility model: the racks on both sides of the vertical plate are symmetrically arranged, and the width of the racks on both sides is greater than the width of the driving gear.

[0009] As a further solution of the utility model: a pad is fitted and connected to the upper end of the mounting platform, and the pad is made of rubber material.

[0010] As a further solution of the utility model: the upper end of the moving block is connected with a contact switch, and the contact switch is arranged just below the upper plate.

[0011] As a further solution of the utility model: a vertical baffle is welded to the upper end of the moving block, and the baffle is in contact with an end surface of the mounting platform.

[0012] As a further solution of the utility model: a plurality of limiting rods are welded between the base and the upper plate, a plurality of limiting holes are opened at one end of the moving block, and the limiting rods are installed through the limiting holes.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a worm gear and a driving gear are welded on the central axis at the bottom of one end of the moving block, the driving gear is matched and meshed with the rack, and the servo motor drives the worm to drive the moving block to move vertically on the vertical plate. One end of the moving block is movably connected to the mounting table, and the bottom of the mounting table is supported by an electric rod to keep the mounting table in a horizontal state. When it is necessary to vertically descend the equipment to hide it for protection, the electric rod retracts to place the mounting table vertically, and the moving block falls vertically on the vertical plate, so that the moving block can move throughout the stroke on the vertical plate, with a large moving range. The folded mounting table drives the equipment to descend vertically as a whole, and the overall occupied area is small after folding and descending, and the moving stroke range is wide.

[0015] 2. In the utility model, a contact switch is connected to the upper end of the moving block. When the contact switch connected to the upper end of the moving block moves vertically to the top, the contact switch contacts the upper plate, stopping the servo motor from running to avoid excessive upward movement. A plurality of limit rods are welded between the base and the upper plate. The limit rods are installed through the limit holes. The plurality of limit rods welded between the base and the upper plate are installed through the limit holes of the moving block. The moving block is vertically limited by the plurality of limit rods, so that the vertical movement of the moving block is smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2It is a schematic diagram of the overall explosion structure of the utility model;

[0018] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a bottom-up three-dimensional structural schematic diagram of the utility model.

[0020] In the figure: 1. vertical plate; 2. base; 3. rack; 4. upper plate; 5. moving block; 6. mounting groove; 7. middle shaft; 8. worm gear; 9. driving gear; 10. servo motor; 11. worm; 12. mounting table; 13. pad; 14. electric rod; 15. contact switch; 16. limit hole; 17. baffle; 18. limit rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 4In the embodiment of the utility model, a ship lifting mechanism includes a vertical plate 1 and a moving block 5. A base 2 is welded at the bottom of the vertical plate 1. Racks 3 are embedded and installed on both sides of the vertical plate 1. An upper plate 4 is welded at the upper end of the vertical plate 1. An installation groove 6 is opened in the moving block 5. The upper plate 4 is slidably installed on the vertical plate 1. A central axis 7 is installed through one side of the bottom end of the upper plate 4. A worm gear 8 is welded in the middle of the central axis 7. Drive gears 9 are welded at both ends of the central axis 7. The drive gear 9 matches the meshing rack 3. A servo motor 10 is fixedly installed at the bottom of the moving block 5. A worm 11 is connected to the output end of the servo motor 10. The worm 11 matches and meshes with the worm gear 8. A mounting platform 12 is movably connected to one side of the upper end of the moving block 5. An electric rod 14 is movably connected to the side of the moving block 5. The moving end of the electric rod 14 is movably connected to the bottom end of the mounting platform 12. The bottom end of the vertical plate 1 is connected to the installation position of the ship through the base 2. The vertical plate 1 is installed through the installation in the moving block 5 The groove 6 is slidably installed, and a worm wheel 8 and a driving gear 9 are welded on the central axis 7 at the bottom of one end of the moving block 5. The driving gear 9 is matched and meshed with the rack 3. The servo motor 10 drives the worm 11. The positive and negative rotation of the worm 11 drives the worm wheel 8 to rotate positively and negatively, and then drives the driving gear 9 to rotate positively and negatively, driving the moving block 5 to move vertically on the vertical plate 1. One end of the moving block 5 is movably connected to the mounting platform 12. The mounting platform 12 is used to install small precision monitoring equipment. The bottom of the mounting platform 12 is supported by an electric rod 14, so that the mounting platform 12 is in a horizontal state. When the equipment needs to be lowered vertically to hide and protect it, the electric rod 14 retracts to place the mounting platform 12 vertically, and the moving block 5 falls vertically on the vertical plate 1. The rack 3 matches the height of the vertical plate 1, so that the moving block 5 can move throughout the stroke on the vertical plate 1, and the moving range is large. The folded mounting platform 12 drives the equipment to drop vertically as a whole. After folding and dropping, the overall occupied area is small, and the moving stroke range is wide, and the use effect is good.

[0024] Preferably, Figure 1 As shown, the base 2 is a square plate, and a plurality of side plates are welded on both sides of the base 2. The square plate base 2 is convenient for welding the plurality of side plates on both sides. The plurality of side plates are connected for reinforced support, and the overall strength of the base 2 is high.

[0025] Preferably, Figure 2 As shown, the racks 3 on both sides of the vertical plate 1 are symmetrically arranged, and the width of the racks 3 on both sides is greater than the width of the driving gear 9. The symmetrical racks 3 on both sides of the vertical plate 1 are installed to match the driving gears 9 on both sides, and the wider racks 3 facilitate the meshing installation of the driving gear 9.

[0026] Preferably, Figure 1 As shown, a pad 13 is fitted and connected to the upper end of the mounting platform 12. The pad 13 is made of rubber material. The pad 13 made of rubber material on the upper end of the mounting platform 12 is flexibly connected to make the installation of the detection equipment more stable.

[0027] Preferably, Figure 2and Figure 3 As shown, the upper end of the moving block 5 is connected to a contact switch 15, and the contact switch 15 is arranged directly below the upper plate 4. When the contact switch 15 connected to the upper end of the moving block 5 moves vertically to the top, the contact switch 15 contacts the upper plate 4, so that the servo motor 10 stops running to avoid excessive upward movement.

[0028] Preferably, Figure 2 and Figure 3 As shown, a vertical baffle 17 is welded on the upper end of the moving block 5, and the baffle 17 contacts one end surface of the mounting platform 12. The vertical baffle 17 welded on the upper end of the moving block 5 contacts and limits the mounting platform 12 at one end, so that the mounting platform 12 is in a horizontal state.

[0029] Preferably, Figure 4 As shown, a plurality of limit rods 18 are welded between the base 2 and the upper plate 4, a plurality of limit holes 16 are opened at one end of the moving block 5, and the limit rods 18 are installed through the limit holes 16. The plurality of limit rods 18 welded between the base 2 and the upper plate 4 are installed through the limit holes 16 of the moving block 5. The moving block 5 is vertically limited by the plurality of limit rods 18, so that the vertical movement of the moving block 5 is smoother.

[0030] The working principle of the utility model is as follows: the electrical equipment of the device is connected to an external power supply, the bottom end of the vertical plate 1 is connected to the installation position of the ship through the base 2, the vertical plate 1 is slidably installed through the installation groove 6 in the moving block 5, a worm wheel 8 and a driving gear 9 are welded on the central axis 7 at the bottom of one end of the moving block 5, the driving gear 9 is matched and meshed with the rack 3, the servo motor 10 drives the worm 11, the worm 11 rotates forward and reversely to drive the worm wheel 8 to rotate forward and reverse, and then drives the driving gear 9 to rotate forward and reverse, driving the moving block 5 to move vertically on the vertical plate 1, and one end of the moving block 5 is movably connected to the installation The mounting platform 12 is used to install small precision monitoring equipment. The bottom of the mounting platform 12 is supported by an electric rod 14, so that the mounting platform 12 is in a horizontal state. When it is necessary to vertically descend to hide the equipment, the electric rod 14 retracts to place the mounting platform 12 vertically. The moving block 5 falls vertically on the vertical plate 1. The rack 3 matches the height of the vertical plate 1, so that the moving block 5 can move throughout the stroke on the vertical plate 1. The moving range is large, and the folded mounting platform 12 drives the entire equipment to descend vertically. After folding and descending, the overall occupied area is small, and the moving stroke range is wide.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A ship lifting mechanism, comprising a vertical plate (1) and a moving block (5), characterized in that: A base (2) is welded to the bottom of the vertical plate (1), racks (3) are embedded and installed on both sides of the vertical plate (1), an upper plate (4) is welded to the upper end of the vertical plate (1), a mounting groove (6) is provided in the movable block (5), the upper plate (4) is slidably installed on the vertical plate (1), a central shaft (7) is installed through one side of the bottom end of the upper plate (4), a worm gear (8) is welded in the middle of the central shaft (7), and driving gears (9) are welded at both ends of the central shaft (7). The driving gear (9) matches the meshing rack (3); a servo motor (10) is fixedly mounted on the bottom of the moving block (5); an output end of the servo motor (10) is connected to a worm (11); the worm (11) matches and meshes with the worm wheel (8); one side of the upper end of the moving block (5) is movably connected to a mounting platform (12); one side of the moving block (5) is movably connected to an electric rod (14); and the moving end of the electric rod (14) is movably connected to the bottom end of the mounting platform (12).

2. A ship lifting mechanism according to claim 1, characterized in that: The base (2) is a square plate, and a plurality of side plates are welded to two sides of the base (2).

3. A ship lifting mechanism according to claim 1, characterized in that: The racks (3) on both sides of the vertical plate (1) are symmetrically arranged, and the width of the racks (3) on both sides is greater than the width of the driving gear (9).

4. A ship lifting mechanism according to claim 1, characterized in that: The upper end of the mounting platform (12) is fitted with a pad (13), and the pad (13) is made of rubber material.

5. A ship lifting mechanism according to claim 1, characterized in that: The upper end of the moving block (5) is connected to a contact switch (15), and the contact switch (15) is arranged directly below the upper plate (4).

6. A ship lifting mechanism according to claim 1, characterized in that: A vertical baffle (17) is welded to the upper end of the moving block (5), and the baffle (17) is in contact with one end surface of the mounting platform (12).

7. A ship lifting mechanism according to claim 1, characterized in that: A plurality of limiting rods (18) are welded between the base (2) and the upper plate (4), a plurality of limiting holes (16) are formed at one end of the moving block (5), and the limiting rods (18) are installed through the limiting holes (16).

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