Intelligent stern bearing with wear detection device

By installing wear detection components on the stern bearing, the problem of not being able to monitor temperature and wear in real time in the existing technology is solved, enabling timely maintenance and replacement of the stern bearing, and improving its service life and the stability of the ship's power system.

CN223854683UActive Publication Date: 2026-01-30XIAN JIAOTONG UNIV CITY COLLEGE
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Patent Information

Application Number
CN202520310696.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-30
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

The existing stern bearings cannot be monitored for temperature and wear online, which makes it impossible to maintain them in a timely manner when they fail, thus affecting the ship's power system.

Method used

A wear detection assembly, including a wear sleeve, a wear sensor, and a temperature sensor, is installed on the stern bearing body to monitor temperature and wear in real time. The wear sleeve can be replaced by disassembling and replacing the assembly.

Benefits of technology

It enables real-time monitoring of stern bearing temperature and wear, allowing for timely detection, maintenance, and replacement, thus extending the stern bearing's service life and preventing the impact of malfunctions on the ship's power system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of stern bearings, and discloses an intelligent stern bearing with a wear detection device, which comprises a stern bearing body, a wear detection component is mounted on the surface of the stern bearing body, the wear detection component comprises a wear-resistant sleeve, the wear-resistant sleeve is sleeved on the surface of the stern bearing body, and the wear-resistant sleeve is sleeved on the surface of the stern bearing body. An abrasion sensor is arranged in a first cavity formed in the surface of the stern bearing body, a temperature sensor is arranged in a second cavity formed in the surface of the stern bearing body, attaching rods are installed on the bottom face of the abrasion sensor and the bottom face of the temperature sensor, and sleeve rods are installed in the first cavity and the second cavity formed in the surface of the stern bearing body. The stern bearing has the advantages that the temperature and abrasion of the stern bearing can be monitored, and the stern bearing can be maintained and replaced in time when the temperature of the stern bearing is too high and the stern bearing is seriously abraded.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the stern bearing technical field, specifically an intelligent stern bearing containing wear detection device. BACKGROUND

[0002] The stern bearing is the rotating body of supporting the shafting of the ship, through reducing the friction coefficient in its movement process, and guaranteeing its rotation accuracy, the shafting is the important component of the ship propulsion system, and the stern bearing is the core component of the shafting.

[0003] When the tail shaft runs, the tail shaft will heat, if the heat cannot be discharged in time, will cause the temperature rise of the tail shaft and reduce its service life, the wear of the tail shaft is unavoidable, and the wear of the stern bearing is also unavoidable, but when the serious wear and tear, the stern bearing will break down, thereby the serious impact on the overall power system of the ship is caused,

[0004] In the existing stern bearing use process, the tail shaft bearing cannot be monitored on line, the temperature of the tail shaft cannot be monitored in real time, once the temperature rise of the tail shaft is found, the tail shaft cannot be cooled and maintained in time, and the wear of the stern bearing is also unavoidable, but when the serious wear and tear, the stern bearing will break down, thereby the serious impact on the overall power system of the ship is caused, the existing tail shaft bearing does not have wear and tear monitoring, once the serious wear and tear occurs, the tail shaft cannot be warned, thereby the tail shaft bearing is affected timely replacement and maintenance.

[0005] Therefore, aiming at the above problems, an intelligent stern bearing containing wear detection device is provided. CONTENT OF THE UTILITY MODEL

[0006] In order to solve the problems in the above background art, the utility model provides an intelligent stern bearing containing wear detection device, which has the advantages that the temperature and wear of the tail shaft bearing can be monitored, so that the tail shaft bearing can be maintained and replaced in time when the temperature is too high or serious wear occurs.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: an intelligent stern bearing containing wear detection device, comprising a stern bearing body, a wear detection assembly is installed on the surface of the stern bearing body;

[0008] The wear detection assembly comprises a wear-resistant sleeve, the surface of the stern bearing body is sleeved with the wear-resistant sleeve, a cavity one is formed in the surface of the stern bearing body and is internally provided with a wear sensor, a cavity two is formed in the surface of the stern bearing body and is internally provided with a temperature sensor, the bottom surfaces of the wear sensor and the temperature sensor are both provided with a fitting rod, the cavity one and the cavity two are both internally provided with a sleeve rod, the fitting rod is slidably connected in the sleeve rod, a protective sleeve is arranged at the transmission shaft of the stern bearing body, and the surface of the wear-resistant sleeve is provided with a dismounting and replacing assembly.

[0009] Preferably, one end of the fitting rod is provided with a limiting disc.

[0010] Preferably, the wear sensor and the temperature sensor are both fitted in the groove formed in the surface of the wear-resistant sleeve.

[0011] Preferably, the surface of the fitting rod is sleeved with a reset spring one, one end of the reset spring one is connected with the limiting disc, and the other end of the reset spring one is arranged in the sleeve rod.

[0012] Preferably, the dismounting and replacing assembly comprises a positioning plate, the surface of the protective sleeve is symmetrically provided with the positioning plate, the surface of the wear-resistant sleeve is provided with a sliding groove matched with the positioning plate, the positioning plate and the wear-resistant sleeve are slidably connected through the sliding groove, a groove is formed in the positioning plate and is rotatably connected with a movable rod, the surface of the movable rod is provided with a top plate, the inside of the top plate is slidably connected with an abutting rod, one end of the abutting rod penetrates through the top plate, extends to the outside of the top plate and is connected with an abutting plate arranged outside the top plate, and the abutting plate is clamped in a clamping groove formed in the inside of the wear-resistant sleeve.

[0013] Preferably, the surface of the movable rod is sleeved with a torsion spring, one end of the torsion spring is connected with the top plate, and the other end of the torsion spring is arranged in the groove formed in the surface of the positioning plate.

[0014] Preferably, the other end of the abutting rod is provided with a mounting plate, the surface of the abutting rod is sleeved with a reset spring two, one end of the reset spring two is connected with the mounting plate, and the other end of the reset spring two is arranged in the inside of the top plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The utility model discloses a wear detection assembly can monitor the temperature and wear degree of the stern bearing body during use, so that the user can find and maintain and replace in time.

[0017] 2, the utility model discloses a dismounting and replacing component is set up to can replace and maintain the wear -resistant cover of serious wear, and further convenient for the operation of the user, further improve the work efficiency of wear -resistant cover replacement. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is whole section structure schematic diagram of the utility model;

[0020] Figure 3 It is structure schematic diagram of the utility model wear sensor and temperature sensor etc.;

[0021] Figure 4 It is structure schematic diagram of the utility model positioning plate and roof etc.;

[0022] Figure 5 It is roof section structure schematic diagram of the utility model.

[0023] In the drawing: 1, stern bearing body;2, wear detection assembly;21, wear -resistant cover;22, wear sensor;23, temperature sensor;24, fit pole;25, cover pole;26, limit disc;27, reset spring one;28, protective sleeve;3, dismounting and replacing component;31, positioning plate;32, movable rod;33, roof;34, abutment rod;35, abutment plate;36, torsional spring;37, mounting plate;38, reset spring two. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] As Figures 1 to 5 Indicated, the utility model provides a kind of intelligent stern bearing containing wear detection device, including stern bearing body 1, the surface of stern bearing body 1 is equipped with wear detection assembly 2;

[0026] The wear detection assembly 2 comprises a wear-resistant sleeve 21, the surface of the stern bearing body 1 is sleeved with the wear-resistant sleeve 21, a cavity one provided on the surface of the stern bearing body 1 is provided with a wear sensor 22, a cavity two provided on the surface of the stern bearing body 1 is provided with a temperature sensor 23, the bottom surfaces of the wear sensor 22 and the temperature sensor 23 are both installed with a fitting rod 24, the cavity one and the cavity two provided on the surface of the stern bearing body 1 are both installed with a sleeve rod 25, the fitting rod 24 is slidingly connected in the sleeve rod 25, a protective sleeve 28 is installed at the transmission shaft of the stern bearing body 1, and the surface of the wear-resistant sleeve 21 is installed with a dismounting and replacing assembly 3, so that the temperature and the wear degree of the stern bearing body 1 during use can be monitored, and the user can find and maintain and replace in time.

[0027] Specifically, one end of the fitting rod 24 is installed with a limiting disc 26, so that the position of the fitting rod 24 can be limited, and the position of the fitting rod 24 is prevented from being separated during use.

[0028] As shown in Figures 1 to 5 , the wear sensor 22 and the temperature sensor 23 are both fitted in the groove provided on the surface of the wear-resistant sleeve 21, so that the accuracy of monitoring the temperature and wear of the wear-resistant sleeve 21 can be improved.

[0029] Further, the surface of the fitting rod 24 is sleeved with a reset spring one 27, one end of the reset spring one 27 is connected with the limiting disc 26, and the other end of the reset spring one 27 is installed in the sleeve rod 25, so that the wear sensor 22 and the temperature sensor 23 can be tightly fitted in the inside of the wear-resistant sleeve 21, and the monitoring accuracy is greatly improved.

[0030] As shown in Figures 1 to 5 , the dismounting and replacing assembly 3 comprises a positioning plate 31, the surface of the protective sleeve 28 is symmetrically installed with the positioning plate 31, the surface of the wear-resistant sleeve 21 is provided with a sliding groove matched with the positioning plate 31, the positioning plate 31 and the wear-resistant sleeve 21 are slidingly connected through the sliding groove, a movable rod 32 is rotatably connected in the groove provided in the inside of the positioning plate 31, a top plate 33 is installed on the surface of the movable rod 32, an abutting rod 34 is slidingly connected in the inside of the top plate 33, one end of the abutting rod 34 penetrates through the top plate 33 and extends to the outside of the top plate 33 and is connected with an abutting plate 35 arranged outside the top plate 33, and the abutting plate 35 is clamped in a clamping groove provided in the inside of the wear-resistant sleeve 21, so that the wear-resistant sleeve 21 with serious wear can be replaced and maintained, and the user can operate conveniently, and the work efficiency of replacing the wear-resistant sleeve 21 is further improved.

[0031] Specifically, the surface of the movable rod 32 is sleeved with a torsion spring 36, one end of the torsion spring 36 is connected with the top plate 33, and the other end of the torsion spring 36 is installed in the groove formed on the surface of the positioning plate 31, so that the position of the movable rod 32 can be reset, facilitating the operation of the user.

[0032] It is worth emphasizing that the other end of the abutting rod 34 is provided with a mounting plate 37, the surface of the abutting rod 34 is sleeved with a reset spring 38, one end of the reset spring 38 is connected with the mounting plate 37, and the other end of the reset spring 38 is installed in the inside of the top plate 33, so that the abutting rod 34 can be reset, making it convenient to install the wear-resistant sleeve 21.

[0033] Working principle and process: when the stern bearing body 1 is in use, the wear-resistant sleeve 21 can effectively protect the stern bearing body 1, and the wear-resistant sleeve 21 can increase the wear resistance of the stern bearing body 1, so that the service life of the stern bearing body 1 is longer, the protective sleeve 28 can protect the transmission shaft of the stern bearing body 1, avoid the transmission shaft of the stern bearing body 1 from being worn and consumed after long-term use, and also increase the service life, when the temperature of the stern bearing body 1 rises after long-term use, the temperature sensor 23 in the cavity 2 formed on the surface of the stern bearing body 1 can monitor the temperature, so that the temperature can be warned when it is too high, the alarm mechanism installed in the temperature sensor 23 can alarm at this time, so that the user can discover the high temperature in time, and when the wear-resistant sleeve 21 is seriously worn after long-term use, the wear sensor 22 can detect the wear at this time, so that the user can discover the serious wear in time and replace and maintain the wear-resistant sleeve 21;

[0034] The abutting rod 24 in the sleeve rod 25 can drive the wear sensor 22 and the temperature sensor 23 to be closely attached to the inside of the wear-resistant sleeve 21 through the reset spring 27 and the limiting disc 26, so that they can be closely attached to the wear-resistant sleeve 21, improving the accuracy of wear and temperature monitoring, and the limiting disc 26 can limit the position of the abutting rod 24, so as to avoid the abutting rod 24 from being separated from the inside of the sleeve rod 25;

[0035] When the wear-resistant sleeve 21 is seriously worn, the user pulls the abutting rod 34, so that the abutting rod 34 slides in the inside of the top plate 33, and the abutting rod 34 drives the reset spring two 38 to deform in the sliding process, and the reset spring two 38 can reset the position of the abutting rod 34, so that the user is convenient to operate, and then the abutting rod 34 drives the abutting plate 35 to separate from the clamping groove in the inside of the wear-resistant sleeve 21, and then the top plate 33 is pressed, so that the top plate 33 rotates in the groove in the inside of the positioning plate 31 through the movable rod 32, and then the top plate 33 rotates into the groove in the inside of the positioning plate 31, and when the movable rod 32 continuously rotates, the movable rod 32 drives the torsional spring 36 to deform, and the torsional spring 36 can assist the movable rod 32 to reset, and then drives the abutting rod 34 to reinsert the abutting plate 35 into the clamping groove in the inside of the wear-resistant sleeve 21, and then the user pulls the wear-resistant sleeve 21, and the sliding groove on the wear-resistant sleeve 21 slides on the surface of the positioning plate 31, so that the wear-resistant sleeve 21 is disassembled and replaced, and the positioning plate 31 can position the moving position of the wear-resistant sleeve 21, so that the wear-resistant sleeve 21 is avoided from being deviated in the process of installation and disassembly.

[0036] It should be noted that the stern bearing body 1 in the device is a mature prior art and will not be explained in detail.

[0037] It should be noted that the wear-resistant sleeve 21 and the protective sleeve 28 in the device are made of the same material, which is wear-resistant material.

[0038] It should be noted that: by selecting the 51 series single-chip microcomputer as the main controller STC89C51 as the most representative one in the 51 series, its internal interface is not much, only one serial interface, two timing devices, can install AD signal on a line, and can install EPROM memory on the line. Although it is not particularly slow to run, but due to the huge loss of energy, it is easier to run, and the cost performance is also higher. The STC89C51 single-chip microcomputer control system can not only reduce the development cost, but also shorten the development time. STC89C51 is an 8-bit low-power 8-bit CMOS single-chip microcomputer, its repeatable write flash memory storage capacity is 8KB, RAM 256MB, using the high-density non-volatile memory of ATMEL company, matched with the general MCS-51 instruction system, using 8-bit CPU and flash memory chip, its performance is superior, can adapt to more, more complex system control requirements. STC89C51 takes 8051 as the core, has excellent performance, low power consumption, high reliability, easy programming and other characteristics. It has been widely used in various embedded and intelligent control fields. The STC89C51 single-chip microcomputer can monitor the environmental temperature through the built-in or externally connected temperature sensor, and realize accurate temperature control through programming. The analog signal of the temperature sensor is read through the ADC (analog-to-digital converter), and then converted into a digital signal, compared with the set temperature, and the heating or refrigeration equipment is adjusted to maintain the stability of the temperature.

[0039] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A smart stern bearing comprising a wear detection device, comprising a stern bearing body (1), characterized in that: The surface of the stern bearing body (1) is provided with a wear detection assembly (2); The wear detection assembly (2) comprises a wear-resistant sleeve (21), the surface of the stern bearing body (1) is sleeved with the wear-resistant sleeve (21), a cavity one provided on the surface of the stern bearing body (1) is provided with a wear sensor (22), a cavity two provided on the surface of the stern bearing body (1) is provided with a temperature sensor (23), the bottom surfaces of the wear sensor (22) and the temperature sensor (23) are both provided with a fitting rod (24), the cavity one and the cavity two provided on the surface of the stern bearing body (1) are both provided with a sleeve rod (25), the fitting rod (24) is slidingly connected in the sleeve rod (25), a protective sleeve (28) is arranged at the transmission shaft of the stern bearing body (1), and the surface of the wear-resistant sleeve (21) is provided with a dismounting and replacing assembly (3).

2. The intelligent stern bearing with wear detection device according to claim 1, characterized in that: One end of the fitting rod (24) is provided with a limiting disc (26).

3. The intelligent stern bearing with wear detection device according to claim 2, characterized in that: The wear sensor (22) and the temperature sensor (23) are both fitted in the groove provided on the surface of the wear-resistant sleeve (21).

4. The intelligent stern bearing with wear detection device according to claim 3, characterized in that: The surface of the fitting rod (24) is sleeved with a reset spring one (27), one end of the reset spring one (27) is connected with the limiting disc (26), and the other end of the reset spring one (27) is arranged in the sleeve rod (25).

5. The intelligent stern bearing with wear detection device as claimed in claim 1, wherein: The dismounting and replacing assembly (3) comprises a positioning plate (31), the surface of the protective sleeve (28) is symmetrically provided with the positioning plate (31), the surface of the wear-resistant sleeve (21) is provided with a sliding groove matched with the positioning plate (31), the positioning plate (31) and the wear-resistant sleeve (21) are slidingly connected through the sliding groove, a recess provided in the positioning plate (31) is rotatably connected with a movable rod (32), the surface of the movable rod (32) is provided with a top plate (33), a recess provided in the top plate (33) is slidingly connected with an abutting rod (34), one end of the abutting rod (34) penetrates through the top plate (33) and extends to the outside of the top plate (33) and is connected with an abutting plate (35) arranged outside the top plate (33), and the abutting plate (35) is clamped in a clamping groove provided in the wear-resistant sleeve (21).

6. The intelligent stern bearing with wear detection device according to claim 5, characterized in that: The surface of the movable rod (32) is sleeved with a torsional spring (36), one end of the torsional spring (36) is connected with the top plate (33), and the other end of the torsional spring (36) is arranged in a recess provided on the surface of the positioning plate (31).

7. A smart stern bearing with wear detection device according to claim 6, characterized in that: The other end of the abutting rod (34) is provided with a mounting plate (37), the surface of the abutting rod (34) is sleeved with a reset spring two (38), one end of the reset spring two (38) is connected with the mounting plate (37), and the other end of the reset spring two (38) is arranged in the inside of the top plate (33).