Overland joint debugging test bed for shaft propeller propulsion system of icebreaker

Abstract

The invention relates to the technical field of polar region ship design and manufacturing, in particular to an icebreaker shaft paddle propulsion system onshore joint debugging test bed which comprises a driving system, a load system, a tested system and a bed supporting system. The rack supporting system is located below the driving system, the load system and the tested system, and the driving system is used for providing power and control required by the tested system; the load system is used for providing simulated ice load required by the test; the rack supporting system is used for supporting the driving system, the load system and the tested system. The test bed is designed according to test requirements of an icebreaker open water working condition and an icebreaking working condition, a simulated ice load performance test and a simulated ice load reliability test can be carried out on a shaft paddle propulsion system by loading the simulated ice load, and joint debugging test verification of the icebreaker shaft paddle propulsion system is completed.

Description

Technical Field

[0001] The invention relates to the technical field of polar ship design and manufacturing, and in particular to an onshore joint adjustment test bench for an icebreaker shaft propeller propulsion system. Background Art

[0002] In the past 40 years, the coverage area and thickness of Arctic sea ice have continued to shrink, polar navigation and resource development have become increasingly realistic, and the huge economic benefits and important strategic significance have prompted the international ship market to have an increasingly urgent demand for professional icebreakers, various polar transport ships and engineering ships. As the life system and core system of the ship, the functionality, reliability and safety of the ship's main propulsion device need to be given priority consideration. In view of the large shaft diameter, long shaft length, heavy weight, many parts, high assembly precision requirements, complex assembly process, and large transmission power of the icebreaker shaft propeller propulsion system, the special loading conditions of the simulated ice load, and the lack of a ready-made whole machine test environment at home and abroad. Due to the particularity of the operating environment of the icebreaker shaft propeller propulsion system, how to build a simulated ice load test environment on land to complete the joint adjustment test has certain technical difficulties. The present invention can design a test bench for the shaft propeller propulsion system to carry out performance tests and reliability tests of simulated ice loads according to the test requirements of the open water working conditions and icebreaking working conditions of the icebreaker, laying a solid foundation for actual ship application. Summary of the invention

[0003] The technical problem to be solved by the present invention is that the existing icebreaker shaft propeller structure is complex and it is difficult to construct a test environment.

[0004] In order to solve the above technical problems, the technical solution of the present invention is to provide an onshore joint debugging test bench for an icebreaker shaft propeller propulsion system, including a drive system, a load system, a test system and a bench support system, wherein the drive system and the load system are respectively arranged at both ends of the test system, and the bench support system is located below the drive system, the load system and the test system, wherein:

[0005] The drive system is used to provide the power and control required by the test system;

[0006] The load system is used to provide the simulated ice load required for the test;

[0007] The bench support system is used to support the drive system, load system and test system.

[0008] Optionally, the load system includes a load motor, a load gearbox, a drum gear coupling, a loading sleeve, a hydraulic loading device and a loading hub, the load motor is connected to the load gearbox, the load gearbox is connected to the loading sleeve through the drum gear coupling, the hydraulic loading device is arranged outside the loading sleeve, the loading hub is arranged inside the loading sleeve, and the loading hub is connected to the test system.

[0009] Optionally, the load motor, the load gear box, the drum gear coupling and the loading sleeve are connected in sequence via flanges, and the loading sleeve is connected to the loading hub via a flange.

[0010] Optionally, the driving system includes a driving motor, and the driving motor is connected to one end of the test system.

[0011] Optionally, the test system includes a propeller shaft assembly, a test stern tube device, a hydraulic coupling, a thrust bearing and a transition shaft, one end of the propeller shaft assembly is inserted into a loading hub, an end of the propeller shaft assembly located in the loading hub is provided with a hydraulic nut, the other end of the propeller shaft assembly is connected to the test stern tube device, the other end of the test stern tube device is connected to the thrust bearing through a hydraulic coupling, and the thrust bearing is connected to a drive motor through a transition shaft.

[0012] Optionally, the drive motor, transition shaft, thrust bearing and hydraulic coupling are connected in sequence via flanges, and the hydraulic coupling is connected to the stern tube device via hydraulic interference fit.

[0013] Optionally, a rear water-lubricated bearing is provided on one end of the propeller shaft assembly connected to the accompanying stern tube device, and a rear water-lubricated bearing sealing tool is provided on the rear water-lubricated bearing.

[0014] Optionally, a front water-lubricated bearing is provided on one end of the accompanying stern tube device connected to the hydraulic coupling, and a front stern shaft sealing device is provided on the front water-lubricated bearing.

[0015] Optionally, the gantry support system includes a supporting steel structure common platform, and also includes a load motor supporting steel structure, a load gear box supporting steel structure, a loading device supporting steel structure, a rear water-lubricated bearing supporting steel structure, a stern tube supporting steel structure, a front water-lubricated bearing supporting steel structure, a thrust bearing supporting steel structure and a driving motor supporting steel structure, the upper end of the load motor supporting steel structure is bolted to the load motor; the upper end of the load gear box supporting steel structure is bolted to the load gear box; the upper end of the loading device supporting steel structure is bolted to the hydraulic loading device; the upper end of the rear water-lubricated bearing supporting steel structure is bolted to the rear water-lubricated bearing; the stern tube supporting steel structure is provided with at least one, the upper end of which is bolted to the accompanying test stern tube device; the upper end of the front water-lubricated bearing supporting steel structure is bolted to the front water-lubricated bearing; the upper end of the thrust bearing supporting steel structure is bolted to the thrust bearing; the upper end of the driving motor supporting steel structure is bolted to the driving motor.

[0016] Optionally, it also includes the stern bearing cooling water system, the drive and load equipment monitoring system and the tested equipment monitoring system, among which,

[0017] The stern bearing cooling water system is connected to the rear water-lubricated bearing and the front water-lubricated bearing and is used for lubrication and cooling of the bearings;

[0018] The drive and load equipment monitoring system is connected to the drive system and the load system, and is used to monitor the working status of the drive system and the load system;

[0019] The tested equipment monitoring system is connected to the tested system and is used to monitor the status of each component in the tested system and collect corresponding data.

[0020] In summary, the present invention designs a test bench based on the test requirements of open water working conditions and icebreaking working conditions of icebreakers, which can carry out performance tests and reliability tests of the shaft-propeller propulsion system with simulated ice loads by loading simulated ice loads, and complete the joint commissioning test verification of the shaft-propeller propulsion system of the icebreaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of an onshore joint adjustment test bench for an icebreaker shaft propeller propulsion system according to the present invention;

[0022] In the figure: 1. Load motor; 2. Load gearbox; 3. Drum gear coupling; 4. Loading sleeve; 5. Hydraulic loading device; 6. Hydraulic nut; 7. Loading hub; 8. Rear water-lubricated bearing sealing fixture; 9. Propeller shaft assembly; 10. Rear water-lubricated bearing; 11. Accompanying test stern tube device; 12. Front water-lubricated bearing; 13. Front stern shaft sealing device; 14. Hydraulic coupling; 15. Thrust bearing; 16. Transition shaft; 17 Drive motor; 18. Support steel structure common platform; 19. Load motor support steel structure; 20. Load gearbox support steel structure; 21. Loading device support steel structure; 22. Rear water-lubricated bearing support steel structure; 23. Stern tube support steel structure; 24. Front water-lubricated bearing support steel structure; 25. Thrust bearing support steel structure; 26. Drive motor support steel structure; 27. Stern bearing cooling water system; 28. Drive and load equipment monitoring system; 29. ​​Test equipment monitoring system. DETAILED DESCRIPTION

[0023] The following combination Figure 1 The present invention is described in further detail.

[0024] The invention discloses an onshore joint adjustment test bench for the propeller propulsion system of an icebreaker, which is intended to verify that the various technical indicators of the propeller propulsion system of the icebreaker meet the design requirements, obtain the alignment, gyration and torsional vibration data of the propeller propulsion system under open water and icebreaking conditions, study the response of the propulsion shaft system under ice excitation, complete the joint adjustment test verification of the propeller propulsion system of the icebreaker, and improve the reliability of the propeller propulsion system of the icebreaker when sailing in ice areas. Figure 1, including a driving system, a load system, a test system and a bench support system. The driving system and the load system are respectively arranged at both ends of the test system, and the bench support system is located below the driving system, the load system and the test system.

[0025] The drive system is used to provide the power and control required by the test system;

[0026] The load system is used to provide the simulated ice load required for the test and the torque generated when the propeller breaks through the ice;

[0027] The bench support system is used to support the drive system, load system and test system.

[0028] In a further embodiment, the load system includes a load motor 1, a load gear box 2, a drum gear coupling 3, a loading sleeve 4, a hydraulic loading device 5 and a loading hub 7, the load motor 1 is connected to the load gear box 2, the load gear box 2 is connected to the loading sleeve 4 through the drum gear coupling 3, the hydraulic loading device 5 is arranged outside the loading sleeve 4, the loading hub 7 is arranged inside the loading sleeve 4, and the loading hub 7 is connected to the tested system;

[0029] Specifically, the load motor 1, the load gearbox 2, the drum gear coupling 3 and the loading sleeve 4 are connected in sequence through flanges, and the loading sleeve 4 is connected to the loading hub 7 through a flange. The torque loading frequency and waveform of the load motor 1 should be able to meet the design requirements of the icebreaker shaft propeller propulsion system; the hydraulic loading device 5 provides ice excitation generated when simulating the propeller breaking ice, including forward force, backward force and radial force, and the magnitude and frequency of its loading force should be able to meet the design requirements of the icebreaker shaft propeller propulsion system; the drum gear coupling 3 is used to transmit the torque loaded by the load system, while protecting the load motor 1 and the load gearbox 2 from the impact of axial force; the loading hub 7 is used to withstand and transmit the simulated ice load generated by the hydraulic loading device 5 to the test system.

[0030] In a further embodiment, the drive system includes a drive motor 17 and its inverter and control system. The drive motor 17 is connected to one end of the test system. The drive motor 17 provides the power required by the propeller system. The torque performance of the drive motor 17 should meet the over-torque capacity required by the design of the icebreaker propeller propulsion system.

[0031] In a further embodiment, the test system includes a propeller shaft assembly 9, a test stern tube device 11, a hydraulic coupling 14, a thrust bearing 15 and a transition shaft 16, one end of the propeller shaft assembly 9 is inserted into the loading hub 7, and a hydraulic nut 6 is provided at one end of the propeller shaft assembly 9 located in the loading hub 7, the other end of the propeller shaft assembly 9 is connected to the test stern tube device 11, and the other end of the test stern tube device 11 is connected to the thrust bearing 15 through the hydraulic coupling 14, and the thrust bearing 15 is connected to the drive motor 17 through the transition shaft 16, and a rear water-lubricated bearing 10 is provided on the end of the propeller shaft assembly 9 connected to the test stern tube device 11, and a rear water-lubricated bearing sealing tool 8 is provided on the rear water-lubricated bearing 10, and a front water-lubricated bearing 12 is provided on the end of the test stern tube device 11 connected to the hydraulic coupling 14, and a front stern shaft sealing device 13 is provided on the front water-lubricated bearing 12.

[0032] Specifically, the drive motor 17, the transition shaft 16, the thrust bearing 15 and the hydraulic coupling 14 are connected in sequence through flanges, the hydraulic coupling 14 and the accompanying stern tube device 11 are connected through hydraulic interference, and the propeller shaft assembly 9 and the loading sleeve 4 are connected through flanges.

[0033] In a further embodiment, the gantry support system includes a supporting steel structure common platform 18, and also includes a load motor supporting steel structure 19, a load gear box supporting steel structure 20, a loading device supporting steel structure 21, a rear water-lubricated bearing supporting steel structure 22, a stern tube supporting steel structure 23, a front water-lubricated bearing supporting steel structure 24, a thrust bearing supporting steel structure 25 and a drive motor supporting steel structure 26, the upper end of the load motor supporting steel structure 19 is bolted to the load motor 1; the load gear box supporting steel structure 20 is welded to the load motor supporting steel structure 19, and the load motor supporting steel structure 19 is connected to the load motor supporting steel structure 19. The upper end of the structure 20 is bolted to the load gear box 2; the upper end of the loading device support steel structure 21 is bolted to the hydraulic loading device 5; the upper end of the rear water-lubricated bearing support steel structure 22 is bolted to the rear water-lubricated bearing 10; the stern tube support steel structure 23 is provided with at least one, and its upper end is bolted to the accompanying stern tube device 11; the upper end of the front water-lubricated bearing support steel structure 24 is bolted to the front water-lubricated bearing 12; the upper end of the thrust bearing support steel structure 25 is bolted to the thrust bearing 15; the upper end of the drive motor support steel structure 26 is bolted to the drive motor 17.

[0034] In a further embodiment, it also includes a stern bearing cooling water system 27, a drive and load equipment monitoring system 28 and a tested equipment monitoring system 29, wherein:

[0035] The stern bearing cooling water system 27 is connected to the rear water-lubricated bearing 10 and the front water-lubricated bearing 12 for lubrication and cooling of the bearings;

[0036] The drive and load equipment monitoring system 28 is connected to the drive system and the load system to monitor the working status of the drive system and the load system;

[0037] The tested device monitoring system 29 is connected to the tested system and is used to monitor the status of each component in the tested system and collect corresponding data.

[0038] The present invention installs the test content to load the system through the load system, the test system, the drive system and the bench support system, so as to obtain the dynamic data response of the propulsion shaft system under ice excitation and the monitoring data of each key component, and verify the correctness of the system design quota and the functionality and reliability of the system development prototype.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An onshore joint debugging test bench for an icebreaker propeller propulsion system, characterized in that: It includes a driving system, a load system, a test system and a bench support system, wherein the driving system and the load system are respectively arranged at two ends of the test system, and the bench support system is located below the driving system, the load system and the test system, wherein the driving system is used to provide the power and control required by the test system; The load system is used to provide the simulated ice load required for the test; The bench support system is used to support the drive system, load system and test system.

2. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 1 is characterized in that: The load system comprises a load motor (1), a load gear box (2), a drum gear coupling (3), a loading sleeve (4), a hydraulic loading device (5) and a loading hub (7); the load motor (1) is connected to the load gear box (2); the load gear box (2) is connected to the loading sleeve (4) via the drum gear coupling (3); the hydraulic loading device (5) is arranged outside the loading sleeve (4); the loading hub (7) is arranged inside the loading sleeve (4); and the loading hub (7) is connected to the system under test.

3. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 2 is characterized in that: The load motor (1), the load gear box (2), the drum gear coupling (3) and the loading sleeve (4) are connected in sequence via flanges, and the loading sleeve (4) is connected to the loading hub (7) via a flange.

4. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 2 is characterized in that: The driving system comprises a driving motor (17), and the driving motor (17) is connected to one end of the system under test.

5. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 4 is characterized in that: The test system comprises a propeller shaft assembly (9), a test stern tube device (11), a hydraulic coupling (14), a thrust bearing (15) and a transition shaft (16); one end of the propeller shaft assembly (9) is inserted into a loading hub (7); one end of the propeller shaft assembly (9) located in the loading hub (7) is provided with a hydraulic nut (6); the other end of the propeller shaft assembly (9) is connected to the test stern tube device (11); the other end of the test stern tube device (11) is connected to the thrust bearing (15) via a hydraulic coupling (14); and the thrust bearing (15) is connected to a drive motor (17) via a transition shaft (16).

6. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 5 is characterized in that: The driving motor (17), the transition shaft (16), the thrust bearing (15) and the hydraulic coupling (14) are connected in sequence via flanges, and the hydraulic coupling (14) is connected to the stern tube device (11) via hydraulic interference fit.

7. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 5 is characterized in that: A rear water lubricating bearing (10) is provided on one end of the propeller shaft assembly (9) connected to the accompanying stern tube device (11), and a rear water lubricating bearing sealing tool (8) is provided on the rear water lubricating bearing (10).

8. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 7 is characterized in that: A front water-lubricated bearing (12) is provided on one end of the accompanying stern tube device (11) connected to the hydraulic coupling (14), and a front stern shaft sealing device (13) is provided on the front water-lubricated bearing (12).

9. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 8 is characterized in that: The platform support system comprises a supporting steel structure common platform (18), and also comprises a load motor supporting steel structure (19) whose lower end is welded on the supporting steel structure common platform (18), a load gear box supporting steel structure (20), a loading device supporting steel structure (21), a rear water-lubricated bearing supporting steel structure (22), a stern tube supporting steel structure (23), a front water-lubricated bearing supporting steel structure (24), a thrust bearing supporting steel structure (25) and a driving motor supporting steel structure (26), wherein the upper end of the load motor supporting steel structure (19) is bolted to the load motor (1); the upper end of the load gear box supporting steel structure (20) is bolted to the load motor (1); The gear box (2) is bolted; the upper end of the loading device supporting steel structure (21) is bolted to the hydraulic loading device (5); the upper end of the rear water-lubricated bearing supporting steel structure (22) is bolted to the rear water-lubricated bearing (10); the stern tube supporting steel structure (23) is provided with at least one, the upper end of which is bolted to the accompanying stern tube device (11); the upper end of the front water-lubricated bearing supporting steel structure (24) is bolted to the front water-lubricated bearing (12); the upper end of the thrust bearing supporting steel structure (25) is bolted to the thrust bearing (15); and the upper end of the drive motor supporting steel structure (26) is bolted to the drive motor (17).

10. The onshore joint debugging test bench for the propeller propulsion system of an icebreaker according to claim 8 is characterized in that: It also includes a stern bearing cooling water system (27), a drive and load equipment monitoring system (28) and a tested equipment monitoring system (29), wherein: The stern bearing cooling water system (27) is connected to the rear water-lubricated bearing (10) and the front water-lubricated bearing (12) and is used for lubricating and cooling the bearings; The drive and load equipment monitoring system (28) is connected to the drive system and the load system and is used to monitor the working status of the drive system and the load system; The tested equipment monitoring system (29) is connected to the tested system and is used to monitor the status of each component in the tested system and collect corresponding data.

Images