Ship tail shaft transmission and sliding bearing test bench
By installing the gearbox structure on the load platform of the ship's stern shaft transmission and sliding bearing test bench, a variety of fault types are realized, solving the problem of insufficient flexibility and versatility of the traditional test bench, and improving experimental efficiency and equipment reliability are improved.
Patent Information
- Application Number
- CN202411791701.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-04-01
AI Technical Summary
The traditional ship stern shaft transmission test bench lacks flexibility and versatility, and cannot simulate multiple types of faults on the same test bench, and the reliability and measurement accuracy of the equipment are limited, resulting in inefficient experiments.
A ship's stern shaft transmission and sliding bearing experimental table was designed, and a gear box structure was installed on the bearing platform. The wear of different gears was detected by the replacement of gears in the gear box, and a variety of experimental simulations were achieved through couplings and shaft connections.
It realizes simulation detection of multiple types of faults on the same experimental bench, improves experimental efficiency, reduces equipment costs, and improves measurement accuracy and equipment reliability.
Smart Images
Figure CN119738157A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of ships, in particular to a ship tail shaft transmission and sliding bearing test bench. Background Art
[0002] Before the ship's tail shaft leaves the factory and after long-term use, the internal transmission gear wear and gear stress conditions need to be tested to determine the type of fault in the ship's tail shaft, so as to facilitate research, inspection and maintenance and find the cause of the fault.
[0003] Traditional test benches are usually designed for a single fault type, lacking flexibility and versatility, and the reliability and measurement accuracy of the equipment may be limited due to technical limitations. In addition, the ease of use and fault tolerance of the control system and software may be insufficient, resulting in inefficient and error-prone experiments, and the inability to simulate multiple fault types on the same test bench. Summary of the invention
[0004] In view of the above problems existing in the prior art, the main purpose of the present invention is to provide a ship tail shaft transmission and sliding bearing test bench.
[0005] The technical solution of the present invention is as follows: a ship tail shaft transmission and sliding bearing test bench comprises a bearing platform, a motor is provided on one side of the upper surface of the bearing platform, a torque sensor is provided on one side of the output end of the motor, a gearbox structure is provided on one side of the torsion sensor, a speed measuring gear disc is provided on the side of the gearbox structure away from the torsion sensor, a vibrator is provided on one side of the speed measuring gear disc, a magnetic powder hysteresis device is provided on one side of the vibrator, a thrust bearing seat is provided on one side of the magnetic powder hysteresis device, an electric cylinder is provided on one side of the thrust bearing seat, the motor, torque sensor, gearbox structure, speed measuring gear disc, vibrator, magnetic powder hysteresis device, thrust bearing seat and electric cylinder are all connected by a rotating shaft, and a coupling is provided between the rotating shafts.
[0006] As a preferred embodiment, a plurality of sliding bearing seats are evenly distributed on the bearing platform below the rotating shaft between the motor and the electric cylinder.
[0007] As a preferred implementation, a through groove is opened on the upper surface of the bearing platform, and the motor, torque sensor and gear box structure are fixedly connected to the through groove by bolts.
[0008] As a preferred embodiment, the gear box structure includes a base, a box body is fixedly provided above the base, the inside of the box body is rotatably connected to the driving gear, one side of the driving gear is located on the box body and is rotatably connected to the driven gear, and the driving gear is meshed and connected to the driven gear.
[0009] As a preferred implementation, the cabinet door is filled with thermal insulation material, and the output end of the electric cylinder is connected to a force sensor.
[0010] Compared with the prior art, the advantages and positive effects of the present invention are that, by installing a gear box on a carrying platform, the gears that need to be inspected and tested can be replaced in the gear box to analyze the wear condition of the gears, thereby detecting different gears. The integrated layout and multiple working modes realize multiple uses of one machine, reduce equipment costs and improve experimental efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The present invention provides an overall structural schematic diagram of a ship tail shaft transmission and sliding bearing test bench;
[0012] Figure 2 The present invention provides a schematic diagram of the upper surface structure of the bearing platform of the ship tail shaft transmission and sliding bearing test bench;
[0013] Figure 3 The present invention provides a schematic diagram of the gearbox structure of a ship tail shaft transmission and sliding bearing test bench.
[0014] Legend: 1. Carrying platform; 2. Motor; 3. Torsion sensor; 4. Gearbox structure; 5. Speed measuring gear; 6. Vibrator; 7. Magnetic powder hysteresis device; 8. Thrust bearing seat; 9. Electric cylinder; 10. Rotating shaft; 11. Sliding bearing seat; 12. Force sensor. DETAILED DESCRIPTION
[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, 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 part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in 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.
[0016] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0019] Example
[0020] The ship tail shaft transmission and sliding bearing test bench comprises a bearing platform 1, which is characterized in that: a motor 2 is arranged on one side of the upper surface of the bearing platform 1, a torque sensor 3 is arranged on one side of the output end of the motor 2, a gear box structure 4 is arranged on one side of the torsion sensor 3, a speed measuring toothed disc 5 is arranged on the side of the gear box structure 4 away from the torsion sensor 3, a vibration exciter 6 is arranged on one side of the speed measuring toothed disc 5, a magnetic powder hysteresis device 7 is arranged on one side of the vibration exciter 6, a thrust bearing seat 8 is arranged on one side of the magnetic powder hysteresis device 7, an electric cylinder 9 is arranged on one side of the thrust bearing seat 8, the motor 2, the torque sensor 3, the gear box structure 4 , speed measuring gear plate 5, vibrator 6, magnetic powder hysteresis device 7, thrust bearing seat 8 and electric cylinder 9 are all connected through the rotating shaft 10, and couplings are arranged between the rotating shafts 10. There are two kinds of couplings, one is an elastic coupling and the other is a rigid coupling. The rotating shaft 10 between the motor 2 and the gear box structure 4 is connected through an elastic coupling, and the rotating shaft 10 between the gear box structure 4 and the magnetic powder hysteresis device 7 is connected through a rigid coupling. By replacing the internal gears of the gear box structure 4, the wear of the gears and the transmission can be tested and the sliding bearing failure can be simulated.
[0021] On the bearing platform 1, a plurality of sliding bearing seats 11 are evenly distributed below the rotating shaft 10 between the motor 2 and the electric cylinder 9, and the rotating shaft 10 is supported by the sliding bearing seats 11; a through groove is provided on the upper surface of the bearing platform 1, and the motor 2, the torque sensor 3 and the gear box structure 4 are fixedly connected to the through groove by bolts, and the positions of the motor 2, the torque sensor 3 and the gear box structure 4 are fixed by bolts and the through groove, so that the positions of the motor 2, the torque sensor 3 and the gear box structure 4 and the distance between them can be adjusted conveniently; the gear box structure 4 includes a base 41, and the base A box body 42 is fixedly provided above 41, and the inside of the box body 42 is rotatably connected to a driving gear 43. One side of the driving gear 43 is located on the box body 42 and is rotatably connected to a driven gear 44. The driving gear 43 is meshed and connected to the driven gear 44. The driving gear 43 and the driven gear 44 can be removed from the box body 42 for replacement, so as to facilitate the replacement of worn gears for testing; the output end of the electric cylinder 9 is connected to the force sensor 12. When testing, there is a Class A test point in the gear box structure 4, a Class C test point on the speed measuring toothed disc 5, and a Class B test point on the rotating shaft 10.
[0022] Working principle:
[0023] As shown in the figure, use professional tools to disassemble the gearbox structure 4, take out the original gears, which can be the driving gear 43 and the driven gear 44 at this time, and install the gears with preset faults, replace the driving gear 43 and the driven gear 44. After the gears with preset faults are installed, the data output ports of the torque sensor 3, the speed measuring gear plate 5, the exciter 6, the magnetic powder hysteresis device 7 and the force sensor 12 are connected to the data acquisition device, and the data of the above devices are collected. The motor 2 is started and the shaft 10 starts to rotate, driving the replaced gear with preset fault to rotate, thereby detecting the relevant data of the gear with preset fault, thereby realizing relevant data collection and various experimental simulations.
[0024] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A ship tail shaft transmission and sliding bearing test bench, comprising a load-bearing platform (1), characterized in that: A motor (2) is provided on one side of the upper surface of the bearing platform (1), a torque sensor (3) is provided on one side of the output end of the motor (2), a gearbox structure (4) is provided on one side of the torsion sensor (3), a speed measuring toothed disc (5) is provided on the side of the gearbox structure (4) away from the torsion sensor (3), an exciter (6) is provided on one side of the speed measuring toothed disc (5), a magnetic powder hysteresis device (7) is provided on one side of the exciter (6), a thrust bearing seat (8) is provided on one side of the magnetic powder hysteresis device (7), an electric cylinder (9) is provided on one side of the thrust bearing seat (8), the motor (2), the torque sensor (3), the gearbox structure (4), the speed measuring toothed disc (5), the exciter (6), the magnetic powder hysteresis device (7), the thrust bearing seat (8) and the electric cylinder (9) are all connected via a rotating shaft (10), and a coupling is provided between the rotating shafts (10).
2. The ship tail shaft transmission and sliding bearing test bench according to claim 1 is characterized by: On the bearing platform (1), a plurality of sliding bearing seats (11) are evenly distributed below the rotating shaft (10) between the motor (2) and the electric cylinder (9).
3. The ship tail shaft transmission and sliding bearing test bench according to claim 1 is characterized by: A through groove is provided on the upper surface of the bearing platform (1), and the motor (2), the torque sensor (3) and the gear box structure (4) are fixedly connected to the through groove by bolts.
4. The ship tail shaft transmission and sliding bearing test bench according to claim 1 is characterized by: The gear box structure (4) comprises a base (41), a box body (42) is fixedly provided above the base (41), the box body (42) is rotatably connected to a driving gear (43) inside, one side of the driving gear (43) is located on the box body (42) and is rotatably connected to a driven gear (44), and the driving gear (43) is meshedly connected to the driven gear (44).
5. The ship tail shaft transmission and sliding bearing test bench according to claim 1 is characterized by: The output end of the electric cylinder (9) is connected to a force sensor (12).