Vortex heater for shaft sleeve of ship propeller

Abstract

The utility model discloses a vortex heater for a shaft sleeve of a ship propeller. The anti-corrosion part comprises a first protective outer frame, a second protective outer frame, a zinc layer, a butt joint groove and a butt joint frame, the first protective outer frame is connected to one end of the outer surface of the heater shell, the second protective outer frame is connected to the other end of the outer surface of the heater shell, the zinc layer is connected to the outer surface of the heater shell in an adhesive mode, and the butt joint groove is connected to the butt joint frame. The butt joint frame is connected to one end of the second protective outer frame, and a butt joint groove is formed in one end of the first protective outer frame. The problems that when an existing heater is actually used, a ship runs in the marine environment for a long time, a propeller shaft sleeve vortex heater faces severe corrosion challenge, seawater is rich in multiple salt and corrosive substances, and in the environment, internal components and a shell of a traditional heater are prone to corrosion, so that the equipment performance is reduced, the service life is shortened, and the service life is shortened are solved. Under the serious influence, the stable operation of a ship propulsion system is even caused, and the ship navigation safety is endangered.

Description

TECHNICAL FIELD

[0001] The utility model relates to ship equipment heating technical field especially is related to ship propeller shaft sleeve eddy current heater. BACKGROUND

[0002] The ship propeller shaft sleeve eddy current heater is used for heating the propeller shaft sleeve in the ship propulsion system, and is a device for heating by electromagnetic induction principle, which generates eddy current in the conductive object by generating a changing magnetic field and makes it heat.

[0003] The existing heater in actual use, the ship is long-term operation in the marine environment, the propeller shaft sleeve eddy current heater faces severe corrosion challenge, the seawater is rich in various salt and corrosive substance, the internal component and shell of traditional heater are easy to be corroded under this environment, lead to equipment performance decline, service life shortening, seriously influence down and even lead to the stable operation of ship propulsion system, endanger the safety of ship navigation, therefore need to provide a kind of ship propeller shaft sleeve eddy current heater, select corrosion-resistant material and strengthen protective measures, significantly improve the corrosion resistance of equipment in marine environment, prolong the service life of equipment. SUMMARY

[0004] The utility model discloses a ship propeller shaft sleeve eddy current heater to solve the above-mentioned background art, the existing heater in actual use, the ship is long-term operation in the marine environment, the propeller shaft sleeve eddy current heater faces severe corrosion challenge, the seawater is rich in various salt and corrosive substance, the internal component and shell of traditional heater are easy to be corroded under this environment, lead to equipment performance decline, service life shortening, seriously influence down and even lead to the stable operation of ship propulsion system, endanger the safety of ship navigation.

[0005] To solve the above technical problem, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a ship propeller shaft sleeve eddy current heater, which comprises:

[0007] A heater casing;

[0008] An anti-corrosion component, the anti-corrosion component comprises a protective outer frame one, a protective outer frame two, a zinc layer, a butt joint groove and a butt joint frame, the protective outer frame one is connected to one end of the outer surface of the heater casing, the protective outer frame two is connected to the other end of the outer surface of the heater casing, the zinc layer is adhesively connected to the outer surface of the heater casing, the butt joint frame is connected to one end of the protective outer frame two, one end of the protective outer frame one is provided with the butt joint groove, and the butt joint frame is inserted into the inside of the butt joint groove.

[0009] Furthermore, it also includes a fixing component, which includes a limiting ring, an inner groove, and a fixing rod. The limiting ring is connected to the outer surface of the heater housing, and the two ends of the limiting ring are provided with inner grooves. The fixing rod is respectively connected to the top and one side of the first protective frame and the second protective frame, and the fixing rod is embedded in the inside of the inner groove.

[0010] Furthermore, the fixing component also includes a top plate, a support rod, and a side ring. The top plate is connected to the top of the heater housing, the support rod is connected to one side of the outer surface of the heater housing, and the side ring is connected to the outer surface of the support rod.

[0011] Furthermore, the first protective frame and the second protective frame surround the outer surface of the heater housing, and the outer surfaces of the first protective frame and the second protective frame are coated with anti-corrosion paint.

[0012] Furthermore, it also includes a reinforcing component, which includes a pressure ring, a positioning hole, a guide rod, a limiting plate, and a guide hole. The bottom of the top plate and one side of the side ring are both connected to the guide rod. The pressure ring has a guide hole inside, which is connected to the outer surface of the guide rod. The pressure plate has a positioning hole inside, which is inserted into and connected to the upper part of the outer surface of the fixing rod. The limiting plate is connected to the bottom of the guide rod.

[0013] Furthermore, the reinforcing component also includes a threaded hole, a lead screw, an internal threaded ring, and a handle. The internal threaded ring is connected to the top of the top plate and the other side of the side ring. The lead screw is connected to the middle of the internal threaded ring. The handle is rotatably connected to the outer end of the lead screw. The pressure ring has a threaded hole inside, and the lead screw is connected inside the threaded hole.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] This invention features a protective outer frame (first and second) and a zinc layer on the exterior of the heater housing. This zinc layer effectively isolates seawater from the stainless steel, providing sacrificial anode protection. Even if the zinc layer is partially damaged, it will be preferentially corroded, protecting the stainless steel outer shell from damage. Furthermore, the protective outer frames (first and second) are coated with anti-corrosion paint, exhibiting superior weather resistance, corrosion resistance, and chemical resistance. This further enhances the protective capabilities of the outer shell, resisting various corrosive factors in the marine environment, significantly improving the equipment's corrosion resistance in marine environments, and extending its service life.

[0016] Based on the above beneficial effects, by providing a pressing ring, a guide rod, a guide hole and a positioning hole at the bottom of the top disc and one side of the side ring respectively, when the protective outer frame one and the protective outer frame two are installed outside the heater shell, the fixing rod is fixed inside the inner groove at the same time, moves outside the guide rod through the guide hole, moves the pressing ring to the lower part, fixes the positioning rod outside the fixing rod, and locks the position of the fixing rod, which can improve the stability of the installed protective outer frame one and the protective outer frame two. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used for the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is a whole schematic diagram of the heater shell of the present application.

[0019] Figure 2 It is a schematic diagram of the heater shell after the protective outer frame one and the protective outer frame two are disassembled.

[0020] Figure 3 It is a schematic diagram after the protective outer frame one and the protective outer frame two are disassembled.

[0021] In the drawings, the component list represented by each number is as follows:

[0022] 100, heater shell;

[0023] 200, protective outer frame one; 201, protective outer frame two; 202, zinc layer; 203, butt joint groove; 204, butt joint frame;

[0024] 300, limiting ring; 301, inner groove; 302, fixing rod; 303, top disc; 304, supporting rod; 305, side ring;

[0025] 400, pressing ring; 401, positioning hole; 402, threaded hole; 403, screw rod; 404, internal thread ring; 405, guide rod; 406, limiting disc; 407, handle; 408, guide hole. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0029] Please see Figures 1-3 As shown, this embodiment is a marine propeller shaft sleeve eddy current heater, including:

[0030] Heater housing 100;

[0031] The anti-corrosion component includes a first protective frame 200, a second protective frame 201, a zinc layer 202, a mating groove 203, and a mating frame 204. The first protective frame 200 is connected to one end of the outer surface of the heater housing 100, the second protective frame 201 is connected to the other end of the outer surface of the heater housing 100, the zinc layer 202 is bonded to the outer surface of the heater housing 100, and the mating frame 204 is connected to one end of the second protective frame 201. A mating groove 203 is provided at one end of the first protective frame 200, and the mating frame 204 is inserted into the interior of the mating groove 203.

[0032] A robust zinc layer 202 is formed on the surface of the heater housing 100. The zinc layer 202 can effectively isolate the contact between seawater and stainless steel, and play a sacrificial anode protection role. Even if the zinc layer 202 is locally damaged, it can be preferentially corroded, protecting the stainless steel shell from damage. Furthermore, the outer surfaces of the protective outer frame 1 200 and the protective outer frame 2 201 are coated with anti-corrosion paint, which has excellent weather resistance, corrosion resistance and chemical resistance, and can further enhance the protective capability of the shell.

[0033] It also includes a fixing component, which includes a limiting ring 300, an inner groove 301 and a fixing rod 302. The limiting ring 300 is connected to the outer surface of the heater housing 100. The limiting ring 300 has inner grooves 301 at both ends. The fixing rod 302 is connected to the top and one side of the first protective frame 200 and the second protective frame 201, respectively. The fixing rod 302 is embedded in the inner groove 301.

[0034] After the protective outer frame 1 200 and the protective outer frame 201 are installed on the outside of the heater housing 100, the fixing rod 302 is simultaneously embedded in the inner groove 301 for fixation.

[0035] The fixing component further comprises a top disc 303 connected to the top of the heater shell 100, a support rod 304 connected to one side of the outer surface of the heater shell 100, and a side ring 305 connected to the outer surface of the support rod 304.

[0036] The position of the side ring 305 is supported by the support rod 304.

[0037] The protective outer frame one 200 and the protective outer frame two 201 are arranged on the outer surface of the heater shell 100, and the outer surfaces of the protective frame one and the protective frame two are bonded with anticorrosive paint.

[0038] The working principle is that the protective outer frame one 200 and the protective outer frame two 201 are first installed on the outer surface of the heater shell 100, the butt joint frame 204 is inserted into the butt joint groove 203, and the fixing rod 302 is embedded in the inner recess 301 at the same time, so as to fix the protective outer frame one 200 and the protective outer frame two 201, and form a solid zinc layer 202 on the surface of the heater shell 100. The zinc layer 202 can effectively isolate the contact between seawater and stainless steel, and play a sacrificial anode protection role. Even if the zinc layer 202 is locally damaged, it can be preferentially corroded to protect the stainless steel shell from being damaged. In addition, the protective outer frame one 200 and the protective outer frame two 201 are sprayed with anticorrosive paint on the outside, which has super weather resistance, corrosion resistance and chemical resistance, and can further enhance the protection ability of the shell, resist various corrosion factors in the marine environment, significantly improve the corrosion resistance of the equipment in the marine environment, and prolong the service life of the equipment.

[0039] Please refer to Figure 1 、 Figure 2 The embodiment further comprises a reinforcing component, which comprises a compression ring 400, a positioning hole 401, a guide rod 405, a limiting disc 406 and a guide hole 408. The bottom of the top disc 303 and one side of the side ring 305 are connected with the guide rod 405. The guide hole 408 is connected to the outer surface of the guide rod 405. The positioning hole 401 is arranged in the inner part of the compression plate and is inserted into the upper part of the outer surface of the fixing rod 302. The limiting disc 406 is connected to the bottom of the guide rod 405.

[0040] The guide hole 408 moves outside the guide rod 405 to move the compression ring 400 to the lower part, so that the positioning rod is fixed to the outside of the fixing rod 302 to lock the position of the fixing rod 302.

[0041] The reinforcing component further comprises a threaded hole 402, a lead screw, an internally threaded ring 404 connected to the top of the top disc 303 and the other side of the side ring 305, the lead screw 403 connected to the middle of the internally threaded ring 404, and a handle 407 rotationally connected to the outer end of the lead screw 403, and the interior of the compression ring 400 is provided with the threaded hole 402, and the lead screw 403 is connected to the interior of the threaded hole 402;

[0042] The handle 407 is rotated to drive the lead screw 403 to rotate, so that the lead screw 403 is fixed in the interior of the threaded hole 402, and the compression ring 400 is reinforced again.

[0043] The working principle is that when the protective outer frame one 200 and the protective outer frame two 201 are installed outside the heater shell 100, the fixed rod 302 is fixed in the interior of the inner recess 301, the compression ring 400 is moved to the lower part through the guide hole 408 moving outside the guide rod 405, the positioning rod is fixed outside the fixed rod 302, the position of the fixed rod 302 is locked, the handle 407 is rotated to drive the lead screw 403 to rotate, so that the lead screw 403 is fixed in the interior of the threaded hole 402, and the compression ring 400 is reinforced again, and the stability of the installed protective outer frame one 200 and the protective outer frame two 201 can be improved.

[0044] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A ship propeller shaft sleeve eddy current heater characterised in that, Include: Heater shell (100); Anti-corrosion components, the anti-corrosion components include protective frame one (200), protective frame two (201), zinc layer (202), butt joint groove (203) and butt joint frame (204), protective frame one (200) is connected at one end of the outer surface of heater shell (100), protective frame two (201) is connected at the other end of the outer surface of heater shell (100), zinc layer (202) is bonded to the outer surface of heater shell (100), butt joint frame (204) is connected at one end of protective frame two (201), butt joint groove (203) is provided at one end of protective frame one (200), butt joint frame (204) is inserted into the inside of butt joint groove (203).

2. The marine propeller shaft sleeve eddy current heater of claim 1, wherein, Also include fixing components, the fixing components include limiting ring (300), inner groove (301) and fixed rod (302), the limiting ring (300) is connected to the outer surface of heater shell (100), the two ends of limiting ring (300) are provided with inner groove (301), the fixed rod (302) is connected to the top and one side of protective frame one (200) and protective frame two (201) respectively, the fixed rod (302) is embeddedly connected to the inside of inner groove (301).

3. The marine propeller shaft sleeve eddy current heater of claim 2, wherein, The fixing components also include top disc (303), support rod (304) and side ring (305), the top disc (303) is connected to the top of heater shell (100), the support rod (304) is connected to one side of the outer surface of heater shell (100), and the side ring (305) is connected to the outer surface of support rod (304).

4. The marine propeller shaft sleeve eddy current heater of claim 1 wherein, The protective frame one (200) and protective frame two (201) are surrounded on the outer surface of heater shell (100), and the outer surfaces of the protective frame one and the protective frame two are bonded with anti-corrosion paint.

5. The marine propeller shaft sleeve eddy current heater of claim 3 wherein, Also include reinforcing components, the reinforcing components include compression ring (400), positioning hole (401), guide rod (405), limiting disc (406) and guide hole (408), the bottom of top disc (303) and one side of side ring (305) are connected with guide rod (405), the inside of compression ring (400) is provided with guide hole (408), the guide hole (408) is connected to the outer surface of guide rod (405), the inside of compression plate is provided with positioning hole (401), the positioning hole (401) is insertedly connected to the upper part of the outer surface of fixed rod (302), and the limiting disc (406) is connected to the bottom of guide rod (405).

6. The marine propeller shaft sleeve eddy current heater of claim 5 wherein, The reinforcing components also include threaded hole (402), lead screw, internal thread ring (404) and handle (407), the internal thread ring (404) is connected to the top of top disc (303) and the other side of side ring (305), the lead screw (403) is connected to the middle part of internal thread ring (404), the handle (407) is rotationally connected to the outer end of lead screw (403), the inside of compression ring (400) is provided with threaded hole (402), and the lead screw (403) is connected to the inside of threaded hole (402).

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