Protective alloy reinforcing structure special for polar region ship propeller

Abstract

The utility model relates to the technical field of ship propellers, and discloses a protective alloy reinforcing structure special for a polar ship propeller, which solves the problem that at present, propeller blades are easy to be damaged due to collision with an ice layer in a polar environment, and comprises a propeller hub, the outer side of the propeller hub is fixedly provided with the propeller blades, and the outer side of the propeller hub is fixedly provided with the protective alloy reinforcing structure. A protection mechanism is arranged on the outer side of the propeller blade, a limiting mechanism is arranged on the protection mechanism, the protection mechanism comprises a mounting plate fixed to the outer side of the propeller hub, and the mounting plate is fixed to the outer side of the propeller blade; according to the utility model, through the cooperation among the side plates, the positioning blocks and the positioning grooves, the two corrosion-resistant alloy sleeves can be conveniently sleeved at the edge of the paddle, and through the cooperation among the guide plates, the guide columns, the springs and the U-shaped round rods, the sleeve blocks can conveniently drive the insertion rods to move and be inserted into the insertion holes, so that the corrosion-resistant alloy sleeves are fixed; therefore, the edge of the paddle is protected, and the paddle is prevented from being damaged due to direct collision with an ice layer.

Description

Technical Field

[0001] The utility model belongs to the technical field of ship propellers, in particular to a special protective alloy reinforcement structure for polar ship propellers. Background Art

[0002] A ship propeller is a device that converts the power generated by the ship's engine into thrust. It is usually installed in the underwater part at the stern of the ship. It uses the lift generated by rotation to propel the ship forward and is a key component of ship navigation.

[0003] The environmental conditions in polar regions are extremely harsh, and traditional propellers have simple structures, which can easily cause propeller blades to collide with ice and become damaged in polar environments. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the existing technology, the utility model provides a special protective alloy reinforcement structure for polar ship propellers, which effectively solves the current problem that propeller blades are easily damaged by collision with ice in polar environments.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a special protective alloy reinforcement structure for polar ship propellers, comprising a propeller hub, a propeller blade fixedly mounted on the outer side of the propeller hub, a protective mechanism provided on the outer side of the propeller blade, and a limiting mechanism provided on the protective mechanism;

[0006] The protective mechanism includes a mounting plate fixed to the outside of the hub, the mounting plate is fixed to the outside of the blade, and two side plates are symmetrically provided on the outside of the mounting plate. The two side plates are fixedly installed with corrosion-resistant alloy sleeves on the side away from the mounting plate. The two corrosion-resistant alloy sleeves fit each other and are both sleeved on the edge of the blade. The two side plates are fixedly installed with positioning blocks on the side close to each other. Positioning grooves are provided on the two blades, and the two positioning blocks are inserted into the positioning grooves.

[0007] Preferably, a guide column is fixedly mounted on the side of the side plate away from the mounting plate, a guide plate is movably sleeved on the outer side of the guide column, a spring is fixedly connected between the guide plate and the side plate, and the spring is sleeved on the outer side of the guide column.

[0008] Preferably, a U-shaped round rod is fixedly installed on the side of the guide plate close to the mounting plate, the U-shaped round rod passes through the side plate and is movably connected to the side plate, a sleeve block is fixedly sleeved on the middle part of the outer side of the U-shaped round rod, an auxiliary groove is provided on the side of the sleeve block away from the blade, and an insertion rod is fixedly installed on the side of the sleeve block away from the side plate.

[0009] Preferably, two insertion holes are symmetrically provided on the outer side of the mounting plate, and the two insertion rods are respectively inserted into the two insertion holes.

[0010] Preferably, the limiting mechanism includes two reinforcing rods fixed between the mounting plate and the blades, the outer sides of the two reinforcing rods are movably sleeved with the same movable frame, the movable frame is sleeved on the outer side of the blade, and the outer side of the movable frame is symmetrically fixedly connected with two plug-in plates, and the two side plates are provided with slots on the side close to the mounting plate, and the two plug-in plates are respectively inserted into the two slots.

[0011] Preferably, the outer sides of the two reinforcing rods are provided with external threads, and two nuts are symmetrically provided on one side of the movable frame close to the mounting plate, and the two nuts are respectively threadedly sleeved on the outer sides of the two reinforcing rods through two external threads.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The present invention facilitates the fitting of two corrosion-resistant alloy sleeves on the edges of the blades through the cooperation between the side plates, the positioning blocks and the positioning grooves, and facilitates the fitting of the guide plates, the guide posts, the springs and the U-shaped round rods to facilitate the sleeve blocks to drive the insertion rods to move and insert into the insertion holes, thereby fixing the corrosion-resistant alloy sleeves and protecting the edges of the blades to prevent the blades from being damaged by direct collision with the ice layer.

[0014] (2) The new type facilitates the insertion and fixation of the two inserting plates into the two slots respectively by strengthening the cooperation between the rod and the movable frame and the external thread and the nut, thereby facilitating the secure installation of the corrosion-resistant alloy sleeve on the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached figure:

[0017] Figure 1 This is a schematic diagram of the reinforced structure of the special protective alloy for polar ship propellers of the utility model;

[0018] Figure 2 This is a schematic diagram of the protective mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the disassembled structure of the mounting plate and side plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the side panels and blades of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the limiting mechanism of the utility model.

[0022] In the figure: 1. hub; 2. protective mechanism; 201. mounting plate; 202. side plate; 203. corrosion-resistant alloy sleeve; 204. sleeve block; 205. socket; 206. plug rod; 207. auxiliary slot; 208. U-shaped round rod; 209. guide plate; 2010. guide column; 2011. spring; 2012. slot; 2013. positioning block; 2014. positioning slot; 3. limiting mechanism; 301. reinforcing rod; 302. movable frame; 303. external thread; 304. nut; 305. plug plate; 4. blade. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Embodiment 1, by Figure 1 The utility model includes a hub 1 , a blade 4 is fixedly mounted on the outer side of the hub 1 , a protection mechanism 2 is provided on the outer side of the blade 4 , and a limiting mechanism 3 is provided on the protection mechanism 2 .

[0025] Specifically, by Figure 2-4 It is given that the protective mechanism 2 includes a mounting plate 201 fixed to the outside of the hub 1, the mounting plate 201 is fixed to the outside of the blade 4, and two side plates 202 are symmetrically provided on the outside of the mounting plate 201. The two side plates 202 are fixedly installed with corrosion-resistant alloy sleeves 203 on the side away from the mounting plate 201. The two corrosion-resistant alloy sleeves 203 fit each other and are both sleeved on the edge of the blade 4. The two side plates 202 are fixedly installed with positioning blocks 2013 on the side close to each other. Positioning grooves 2014 are provided on the two blades 4. The two positioning blocks 2013 are inserted into the positioning grooves 2014. A guide column 2010 is fixedly installed on the side of the side plate 202 away from the mounting plate 201. The outer side of the guide column 2010 The side is movably sleeved with a guide plate 209, and a spring 2011 is fixedly connected between the guide plate 209 and the side plate 202. The spring 2011 is sleeved on the outside of the guide column 2010. A U-shaped round rod 208 is fixedly installed on the side of the guide plate 209 close to the mounting plate 201. The U-shaped round rod 208 passes through the side plate 202 and is movably connected to the side plate 202. A sleeve block 204 is fixedly sleeved on the middle part of the outer side of the U-shaped round rod 208. An auxiliary groove 207 is provided on the side of the sleeve block 204 away from the blade 4. A plug rod 206 is fixedly installed on the side of the sleeve block 204 away from the side plate 202. Two symmetrical insertion holes 205 are provided on the outer side of the mounting plate 201. The two insertion rods 206 are respectively inserted into the two insertion holes 205;

[0026] When in use, first move the sleeve 204 close to the side plate 202 through the auxiliary groove 207, drive the insertion rod 206 to move horizontally, and drive the guide plate 209 to slide along the guide column 2010 through the U-shaped round rod 208. At this time, the spring 2011 is stretched, and then the side plate 202 is placed on the blade 4, so that the positioning blocks 2013 are all inserted into the positioning grooves 2014. At this time, the corrosion-resistant alloy sleeve 203 is sleeved on the edge of the blade 4, and then the sleeve 204 is loosened. Under the action of the elastic force of the spring 2011, the insertion rod 206 is inserted into the socket 205, and the corrosion-resistant alloy sleeve 203 is fixed to the edge of the blade 4 for protection, and finally prevents the blade 4 from directly colliding with the ice layer and being damaged.

[0027] Specifically, by Figure 5 It is given that the limiting mechanism 3 includes two reinforcing rods 301 fixed between the mounting plate 201 and the blade 4, the outer sides of the two reinforcing rods 301 are movably sleeved with the same movable frame 302, the movable frame 302 is sleeved on the outer side of the blade 4, and the outer side of the movable frame 302 is symmetrically fixedly connected with two plug-in plates 305, the two side plates 202 are provided with slots 2012 on the side close to the mounting plate 201, and the two plug-in plates 305 are respectively inserted into the two slots 2012, the outer sides of the two reinforcing rods 301 are provided with external threads 303, and the side of the movable frame 302 close to the mounting plate 201 is symmetrically provided with two nuts 304, and the two nuts 304 are respectively threadedly sleeved on the outer sides of the two reinforcing rods 301 through two external threads 303;

[0028] When in use, first slide the movable frame 302 along the two reinforcing rods 301 and away from the mounting plate 201, driving the two plug-in plates 305 to move horizontally until the two plug-in plates 305 are respectively inserted into the two slots 2012, and then rotate the two nuts 304 until they are respectively in contact with the two movable frames 302, and finally complete the limiting of the two side plates 202 to achieve stable installation of the corrosion-resistant alloy sleeve 203.

Claims

1. A special protective alloy reinforcement structure for polar ship propellers, comprising a propeller hub (1), characterized in that: A blade (4) is fixedly mounted on the outer side of the hub (1), a protective mechanism (2) is provided on the outer side of the blade (4), and a limiting mechanism (3) is provided on the protective mechanism (2); The protection mechanism (2) comprises a mounting plate (201) fixed to the outside of the hub (1), the mounting plate (201) being fixed to the outside of the blade (4), two side plates (202) being symmetrically provided on the outside of the mounting plate (201), a corrosion-resistant alloy sleeve (203) being fixedly installed on the side of the two side plates (202) away from the mounting plate (201), the two corrosion-resistant alloy sleeves (203) being fitted to each other and both being sleeved on the edge of the blade (4), a positioning block (2013) being fixedly installed on the side of the two side plates (202) close to each other, a positioning groove (2014) being provided on the two blades (4), and the two positioning blocks (2013) being inserted into the positioning groove (2014).

2. The special protective alloy reinforcement structure for polar ship propellers according to claim 1, characterized in that: A guide column (2010) is fixedly mounted on one side of the side plate (202) away from the mounting plate (201); a guide plate (209) is movably sleeved on the outer side of the guide column (2010); a spring (2011) is fixedly connected between the guide plate (209) and the side plate (202); and the spring (2011) is sleeved on the outer side of the guide column (2010).

3. The special protective alloy reinforcement structure for polar ship propellers according to claim 2, characterized in that: A U-shaped round rod (208) is fixedly mounted on one side of the guide plate (209) close to the mounting plate (201); the U-shaped round rod (208) passes through the side plate (202) and is movably connected to the side plate (202); a sleeve block (204) is fixedly sleeved on the middle portion of the outer side of the U-shaped round rod (208); an auxiliary groove (207) is provided on the side of the sleeve block (204) away from the blade (4); and an insertion rod (206) is fixedly mounted on the side of the sleeve block (204) away from the side plate (202).

4. The special protective alloy reinforcement structure for polar ship propellers according to claim 1, characterized in that: Two insertion holes (205) are symmetrically provided on the outer side of the mounting plate (201), and two insertion rods (206) are respectively inserted into the two insertion holes (205).

5. The special protective alloy reinforcement structure for polar ship propellers according to claim 1, characterized in that: The limiting mechanism (3) comprises two reinforcing rods (301) fixed between the mounting plate (201) and the blade (4); the outer sides of the two reinforcing rods (301) are movably sleeved with a same movable frame (302); the movable frame (302) is sleeved on the outer sides of the blade (4); the outer sides of the movable frame (302) are symmetrically fixedly connected with two plug-in plates (305); a slot (2012) is provided on one side of the two side plates (202) close to the mounting plate (201); the two plug-in plates (305) are respectively inserted into the two slots (2012).

6. The special protective alloy reinforcement structure for polar ship propellers according to claim 5, characterized in that: The outer sides of the two reinforcing rods (301) are both provided with external threads (303); two nuts (304) are symmetrically provided on one side of the movable frame (302) close to the mounting plate (201); the two nuts (304) are respectively threadedly sleeved on the outer sides of the two reinforcing rods (301) through the two external threads (303).

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