Leakage-proof tail shaft tube of ship supporting tail shaft

Abstract

The utility model discloses a leak-proof tail shaft tube for a ship supporting tail shaft, which comprises a main body mechanism, the main body mechanism comprises a tail shaft, the circumferential outer wall of the tail shaft is sleeved with a tail shaft tube, the outer wall of the tail shaft tube is fixedly connected with a mounting frame, the tail end of the tail shaft is fixedly connected with a connecting shaft, and the outer wall of the connecting shaft is fixedly connected with a cleaning frame; the protective mechanism comprises a connecting frame fixedly connected to the outer wall of the mounting frame, a protective cover is fixedly connected to the outer wall of the connecting frame, drainage grooves are formed in the protective cover and the inner wall of the tail shaft pipe at equal intervals, and a second sealing ring is fixedly connected to the inner wall of the protective cover. An infrared sensor and an alarm are fixedly connected to the inner wall of the protective cover and electrically connected, fixing cylinders are fixedly connected to the inner wall of the connecting frame around the circumference at equal intervals, and rotating frames are in threaded connection with the inner walls of the circumferences of the fixing cylinders. The sealing device has the advantages that the sealing position can be overhauled in time, and the sealing position of the tail shaft can be protected.

Description

Technical Field

[0001] The utility model relates to the technical field of ship stern shaft tubes, in particular to a leakage-proof stern shaft tube for supporting a ship stern shaft. Background Art

[0002] The propulsion system of a large ship consists of a series of components, including the engine, transmission, tail shaft, steering gear, and propeller. The tail shaft, located at the stern of the ship, is the axis connecting the engine and propeller. Its primary function is to propel the ship forward by rotating the propeller, while also providing rotation and power transmission. The tail shaft is supported and sealed by the tail tube.

[0003] After searching, a ship tail shaft and tail tube structure with the publication number CN205931206U is disclosed, including a propeller, a tail shaft is provided at one end of the propeller, a tail bearing is installed at one end of the tail shaft, a tail bearing seat is installed on the tail bearing, a tail support is provided on the tail bearing seat, an intermediate bearing is installed in the middle of the tail shaft, a tail tube is installed on the intermediate bearing, an intermediate bearing seat is installed on the tail tube, and an intermediate support is installed on the intermediate bearing seat, the other end of the tail shaft is installed with a front bearing, a front bearing seat is installed on the front bearing, and a front support is installed on the front bearing seat, a pressure cover is provided on the tail support and the intermediate support, an "O"-shaped rubber sealing ring is provided in the pressure cover, a stop screw is provided on the tail bearing seat and the tail tube to prevent radial sliding, the other end of the tail shaft is connected to a water sealing device, and one end of the water sealing device is connected to a detachable coupling.

[0004] However, when the above device is used, the sealing ring is easily deformed due to high temperature, causing liquid to leak into the tail shaft, affecting the normal use of the tail shaft, and in serious cases affecting the normal operation of the ship. Utility Model Content

[0005] The purpose of the present utility model is to provide a leak-proof tail shaft tube for supporting the tail shaft of a ship, so as to solve the problem raised in the above-mentioned background technology, that is, when the above-mentioned device is used, the sealing ring is easily deformed due to high temperature, causing liquid to leak into the tail shaft, affecting the normal use of the tail shaft, and in serious cases affecting the normal operation of the ship.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a leakage-proof tail shaft tube for supporting a tail shaft of a ship, comprising:

[0008] The main body mechanism includes a tail shaft, a tail shaft tube is sleeved on the outer wall of the tail shaft, a mounting bracket is fixedly connected to the outer wall of the tail shaft tube, a connecting shaft is fixedly connected to the end of the tail shaft, and a cleaning bracket is fixedly connected to the outer wall of the connecting shaft;

[0009] A protective mechanism includes a connecting frame fixedly connected to the outer wall of the mounting frame, a protective cover fixedly connected to the outer wall of the connecting frame, drainage grooves equidistantly provided on the protective cover and the inner wall of the tail shaft tube, a second sealing ring fixedly connected to the inner wall of the protective cover, an infrared sensor and an alarm fixedly connected to the inner wall of the protective cover, and the infrared sensor and the alarm are electrically connected.

[0010] Furthermore, the end of the connecting shaft is fixedly connected to a driving shaft, and the outer wall of the driving shaft is fixedly connected to fan blades at equal intervals around the circumference;

[0011] Furthermore, the outer circumferential wall of the protective cover is threadedly connected to a limit rod, the inner wall of the connecting frame is fixedly connected to a fixing cylinder at equal intervals around the circumference, and the inner circumferential wall of the fixing cylinder is threadedly connected to a rotating frame;

[0012] Furthermore, the outer wall of the rotating frame is fixedly connected with a push frame, the end of the fixed cylinder is penetrated by a limiting hole, and the inner wall of the limiting hole is slidably connected with a limiting ball;

[0013] Furthermore, it also includes a cutting mechanism, the cutting mechanism includes a support shaft fixedly connected to the outer wall of the mounting frame at equal distances, and the outer wall of the support shaft is fixedly connected to a first cutting knife and a second cutting knife;

[0014] Furthermore, it also includes a shock absorbing mechanism, which includes a support frame fixedly connected to the outer wall of the stern tube, a connecting plate fixedly connected to the inner wall of the support frame, a damper fixedly connected to the connecting plate and the outer wall of the support frame, and a shock absorbing spring fixedly connected between the two dampers;

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] 1. According to the utility model, after the protective cover is connected to the mounting frame through the connecting frame, the rotating frame is manually rotated to extend it into the fixed cylinder. The rotating frame drives the pushing frame to move, thereby driving the limiting ball to extend from the limiting hole and contact the inner wall of the mounting frame, thereby limiting the fixing cylinder and thus limiting the protective cover. After limiting, the protective cover is fixed again by the limiting rod, and the tail shaft is protected by the second sealing ring of the protective cover. When the sealing ring is deformed, the infrared sensor receives the signal and transmits the signal to the alarm, which sounds an alarm, making it convenient to install the protective cover, timely inspect the sealing part, and protect the sealing part of the tail shaft.

[0017] 2. Based on the first beneficial effect, when the fan blades rotate and are entangled with fishing nets, seaweed or other garbage, the first cutting knife and the second cutting knife are used to cut in the vertical direction to prevent the garbage from being entangled on the fan blades. The tail shaft is protected by the combination of the damper and the shock-absorbing spring. The rotation of the tail shaft drives the connecting shaft to rotate, and the connecting shaft drives the cleaning frame to perform preliminary cleaning of the oil overflowed from the inner wall of the protective cover due to the deformation of the tail shaft sealing ring to avoid blockage. By removing the limit rod, cooling oil is input into the protective cover, and the oil is transported through the drainage groove to cool the tail shaft connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the overall structure of the utility model Figure 1 ;

[0021] Figure 3 This is a cross-sectional view of the overall structure of the utility model Figure 2 ;

[0022] Figure 4 For the utility model Figure 1 A is shown as an enlarged view;

[0023] Figure 5 This is a cross-sectional view of the fixed cylinder structure of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 1. Main body; 101. Tail shaft; 102. Tail shaft tube; 103. Connecting shaft; 104. Drive shaft; 105. Fan blades; 106. Mounting frame; 107. Cleaning frame; 2. Protection mechanism; 201. Protective cover; 202. Connecting frame; 203. Limit rod; 204. Fixing cylinder; 205. Rotating frame; 206. Pushing frame; 207. Limiting ball; 3. Cutting mechanism; 301. Support shaft; 302. First cutting blade; 303. Second cutting blade; 4. Shock-absorbing mechanism; 401. Support frame; 402. Connecting plate; 403. Damper; 404. Shock-absorbing spring. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate 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 may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0029] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] See also Figure 1-5 As shown, this embodiment is a leak-proof tail shaft tube for supporting a tail shaft of a ship, comprising:

[0031] The main body 1 includes a tail shaft 101, a tail shaft tube 102 is sleeved on the outer wall of the tail shaft 101, a mounting bracket 106 is fixedly connected to the outer wall of the tail shaft tube 102, a connecting shaft 103 is fixedly connected to the end of the tail shaft 101, and a cleaning bracket 107 is fixedly connected to the outer wall of the connecting shaft 103;

[0032] The tail shaft 101 is supported and protected by the tail shaft tube 102, the protective cover 201 is fixed by the mounting frame 106 and the connecting frame 202, and the inner wall of the protective cover 201 is cleaned by the cleaning frame 107;

[0033] Protection mechanism 2, which includes a connecting frame 202 fixedly connected to the outer wall of the mounting frame 106, a protective cover 201 fixedly connected to the outer wall of the connecting frame 202, drainage grooves equidistantly formed on the inner wall of the protective cover 201 and the stern tube 102, a second sealing ring fixedly connected to the inner wall of the protective cover 201, an infrared sensor and an alarm fixedly connected to the inner wall of the protective cover 201, and the infrared sensor and the alarm are electrically connected;

[0034] The cooling oil is transported through the drainage groove, the sealing part of the propeller shaft tube 102 is protected through the protective cover 201, and whether the sealing ring is deformed is identified through the infrared sensor, and then the alarm is reminded;

[0035] The protective cover 201 is threadedly connected with a limiting rod 203, and the inner wall of the connecting frame 202 is fixedly connected with a fixed cylinder 204 at equal intervals around the circumference, and the inner wall of the fixed cylinder 204 is threadedly connected with a rotating frame 205;

[0036] The limiting rod 203 is used for further fixing the protective cover 201, and the fixed cylinder 204 is used for supporting the rotating frame 205;

[0037] The outer wall of the rotating frame 205 is fixedly connected with a pushing frame 206, the end of the fixed cylinder 204 penetrates a limiting hole, and the inner wall of the limiting hole is slidably connected with a limiting ball 207;

[0038] The rotating frame 205 drives the pushing frame 206 to move, so that the limiting ball 207 extends out of the limiting hole and contacts the mounting frame 106, and the protective cover 201 is preliminarily limited;

[0039] Working principle: after the protective cover 201 is connected with the mounting frame 106 through the connecting frame 202, the rotating frame 205 is manually rotated to extend into the fixed cylinder 204, the rotating frame 205 drives the pushing frame 206 to move, thereby driving the limiting ball 207 to extend out of the limiting hole and contact the inner wall of the mounting frame 106, the fixed cylinder 204 is limited, thereby limiting the protective cover 201, after limiting, the protective cover 201 is further fixed through the limiting rod 203, the propeller shaft 101 is protected through the second sealing ring of the protective cover 201, when the sealing ring is deformed, the infrared sensor receives the signal and transmits the signal to the alarm, and the alarm alarms;

[0040] This step can facilitate the installation of the protective cover 201, can timely overhaul the sealing part, and can protect the sealing part of the propeller shaft 101.

[0041] Please refer to Figure 1-5 The embodiment is based on the above-mentioned embodiment 1, and further comprises:

[0042] The end of the connecting shaft 103 is fixedly connected with a driving shaft 104, and the outer wall of the driving shaft 104 is fixedly connected with a fan blade 105 at equal intervals around the circumference;

[0043] The connecting shaft 103 drives the driving shaft 104, thereby driving the fan blade 105 to rotate;

[0044] The cutting mechanism 3 comprises a supporting shaft 301 fixedly connected to the outer wall of the protective cover 201, and the outer wall of the supporting shaft 301 is fixedly connected with a first cutting knife 302 and a second cutting knife 303;

[0045] The first cutting knife 302 and the second cutting knife 303 are supported by the support shaft 301, and cutting is performed by the first cutting knife 302 and the second cutting knife 303;

[0046] The damping mechanism 4 comprises a support frame 401 fixedly connected to the outer wall of the stern tube 102, a connecting plate 402 fixedly connected to the inner wall of the support frame 401, dampers 403 fixedly connected to the outer wall of the support frame 401 and the connecting plate 402, and damping springs 404 fixedly connected between the two dampers 403;

[0047] The connecting plate 402 and the dampers 403 are supported by the support frame 401, and the stern shaft 101 is supported by the combination of the dampers 403 and the damping springs 404;

[0048] Working principle: when the fan blade 105 rotates to wind the fishing net, seaweed or other garbage, the first cutting knife 302 and the second cutting knife 303 perform vertical cutting to avoid the garbage winding on the fan blade 105, the dampers 403 and the damping springs 404 are combined to protect the stern shaft 101 from shock, the connecting shaft 103 is driven to rotate by the rotation of the stern shaft 101, the cleaning frame 107 is driven to rotate by the connecting shaft 103 to preliminarily clean the oil liquid overflowing from the sealing ring of the stern shaft 101 on the inner wall of the protective cover 201, so as to avoid blockage, the protective cover 201 is removed to input the cooling oil liquid, and the oil liquid is transported by the drainage groove to cool the connecting part of the stern shaft 101;

[0049] This step can cut the winding fishing net and other garbage, protect the stern shaft 101 from shock, and clean to avoid blockage.

[0050] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, 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 it can be indirectly connected through an intermediate medium, or it can be connected inside 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.

[0051] Finally, it should be pointed out that: the above is only the preferred embodiment of the present application, and is not used to limit 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 supporting tail shaft anti-leakage tail shaft tube, characterized in that: include: A main body mechanism (1), the main body mechanism (1) comprising a tail shaft (101), a tail shaft tube (102) being sleeved on a circumferential outer wall of the tail shaft (101), a mounting frame (106) being fixedly connected to an outer wall of the tail shaft tube (102), a connecting shaft (103) being fixedly connected to an end of the tail shaft (101), and a cleaning frame (107) being fixedly connected to an outer wall of the connecting shaft (103); A protection mechanism (2), the protection mechanism (2) comprising a connecting frame (202) fixedly connected to the outer wall of the mounting frame (106), a protective cover (201) fixedly connected to the outer wall of the connecting frame (202), drainage grooves equidistantly provided on the inner wall of the protective cover (201) and the tail tube (102), a second sealing ring fixedly connected to the inner wall of the protective cover (201), an infrared sensor and an alarm fixedly connected to the inner wall of the protective cover (201), and the infrared sensor and the alarm being electrically connected.

2. A ship supporting tail shaft anti-leakage tail shaft tube according to claim 1, characterized in that: The end of the connecting shaft (103) is fixedly connected to a driving shaft (104), and the outer circumferential wall of the driving shaft (104) is fixedly connected to fan blades (105) at equal intervals around the circumference.

3. The anti-leakage tail shaft tube for supporting the tail shaft of a ship according to claim 1, characterized in that: The protective cover (201) is threadedly connected to a limit rod (203) on its circumferential outer wall, the connecting frame (202) is fixedly connected to a fixing cylinder (204) at equal intervals around the circumference on its inner wall, and the fixing cylinder (204) is threadedly connected to a rotating frame (205) on its circumferential inner wall.

4. The anti-leakage tail shaft tube for supporting the tail shaft of a ship according to claim 3, characterized in that: The outer wall of the rotating frame (205) is fixedly connected to a push frame (206), and a limiting hole is provided through the end of the fixed cylinder (204), and a limiting ball (207) is slidably connected to the inner wall of the limiting hole.

5. The anti-leakage tail shaft tube for supporting the tail shaft of a ship according to claim 1, characterized in that: It also includes a cutting mechanism (3), the cutting mechanism (3) including a support shaft (301) fixedly connected to the outer wall of the protective cover (201) at equal distances, and a first cutting knife (302) and a second cutting knife (303) fixedly connected to the outer wall of the support shaft (301).

6. The anti-leakage tail shaft tube for supporting a ship tail shaft according to claim 1, characterized in that: The invention also includes a shock absorbing mechanism (4), wherein the shock absorbing mechanism (4) includes a support frame (401) fixedly connected to the circumferential outer wall of the tail shaft tube (102), a connecting plate (402) fixedly connected to the inner wall of the support frame (401), a damper (403) fixedly connected between the connecting plate (402) and the outer wall of the support frame (401), and a shock absorbing spring (404) fixedly connected between the two dampers (403).

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