CN114486144A - Radial impact load simulation test device of pod propeller propulsion shafting - Google Patents
Radial impact load simulation test device of pod propeller propulsion shafting Download PDFInfo
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- CN114486144A CN114486144A CN202210023358.0A CN202210023358A CN114486144A CN 114486144 A CN114486144 A CN 114486144A CN 202210023358 A CN202210023358 A CN 202210023358A CN 114486144 A CN114486144 A CN 114486144A
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- end bracket
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- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 230000001050 lubricating effect Effects 0.000 claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003921 oil Substances 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a radial impact load simulation test device of a pod propeller propulsion shaft system, which comprises a base, a driving end bracket and a non-driving end bracket, wherein the driving end bracket and the non-driving end bracket are oppositely arranged on the base; the invention can realize the radial ice breaking load impact simulation examination and performance evaluation on the rotor, the bearing, the end cover, the rotary seal, the lubricating system and the like of the pod propulsion module in the rotary running state.
Description
Technical Field
The invention belongs to the field of propeller application, and particularly relates to a radial impact load simulation test device for a pod propeller propulsion shaft system.
Background
Under the ice-breaking sailing condition of the ice-region reinforced nacelle propeller, a propulsion shaft system can be subjected to ice collision with blades and a propeller hub, and the impact load of the shaft system can be caused. At present, no effective test means is available for simulation test and evaluation of ice region reinforcement, the simulation test of the impact load is limited to a single body (such as a bearing, a rotary seal and the like), and the impact load test of an object in a rotating state is not available.
In order to break through the dilemma, an impact load simulation test device needs to be designed, the real-scale nacelle propeller propulsion shaft system is loaded with simulation impact loads under the actual rotating operation condition, and ice breaking load impact simulation examination and performance evaluation on a rotor, a bearing, an end cover, a rotary seal, a lubricating system and the like of a nacelle propulsion module in the rotating operation state are achieved.
Disclosure of Invention
The invention aims to provide a radial impact load simulation test device of a pod propeller propulsion shaft system, which realizes that the real-scale pod propeller propulsion shaft system loads a simulated radial impact load under the actual rotating operation condition; the simulation evaluation and performance evaluation of the radial ice breaking load impact on a rotor, a bearing, an end cover, a rotary seal, a lubricating system and the like of the pod propulsion module in the rotary running state are realized.
The technical scheme adopted by the invention for solving the technical problems is as follows: a radial impact load simulation test device of a pod propeller propulsion shaft system comprises a base, and a driving end bracket and a non-driving end bracket which are oppositely arranged on the base, wherein a radial load loading device and a radial load loading driving system are sequentially arranged behind the driving end bracket, and a tested shaft system driving system is arranged behind the non-driving end bracket; the driving end bracket and the non-driving end bracket are cylindrical frame structures matched with two end parts of the pod shell; a driving end cover, a driving end bearing and lubricating system and a driving end rotary sealing and lubricating system are respectively arranged in the driving end bracket; a non-driving end cover, a non-driving end bearing and lubricating system and a non-driving end rotary sealing and lubricating system are respectively arranged in the non-driving end bracket; the radial load loading device comprises a piston connecting rod device which is connected with a hinge ground anchor on the base and is used for loading radial load, a bearing for loading radial load arranged on the piston connecting rod device, a crankshaft sleeve arranged on the bearing for loading and the like; the piston connecting rod device improves intermittent force for blocking the shaft system from twisting, and left and right force is transmitted to the driving end of the tested shaft system through the crankshaft sleeve; the radial load loading driving system consists of a hydraulic oil cylinder for loading a radial load, a hydraulic load system of the hydraulic oil cylinder and a variable load hydraulic compensation unit arranged in front of the hydraulic oil cylinder and the hydraulic load system of the hydraulic oil cylinder, and the load oil pressure in the piston connecting rod device is adjusted through the hydraulic oil cylinder and the hydraulic load system of the hydraulic oil cylinder to realize the load adjustment of the impact load; the tested shafting driving system consists of a frequency converter, a shafting driving motor, a speed change gear box and a shaft coupling device of the tested shafting.
A speed change gear box of the radial impact load simulation test device of the pod propeller propulsion shafting is arranged on a drive system base.
A radial impact load simulation test device of a pod propeller propulsion shafting, a piston connecting rod device of the test device adopts a bidirectional oil cylinder structure piston.
The radial impact load simulation test device of the pod propeller propulsion shafting comprises a hinge ground anchor and a bearing structure which is radially stressed.
The radial impact load simulation test device of the pod propeller propulsion shaft system is characterized in that the load of a piston connecting rod device of the test device is loaded by a spring.
According to the radial impact load simulation test device for the pod propeller propulsion shaft system, the driving end bracket and the non-driving end bracket are of an integrated cylindrical structure.
The invention has the beneficial effects that:
the propeller shafting is built based on actual dimensions, the radial impact load of the tested shafting is loaded through the contact type bearing and the hydraulic connecting rod transmission mechanism, the radial impact load loading test and the evaluation of the tested shafting under the ice breaking working condition in the actual rotating state are realized, and the radial ice breaking load impact simulation evaluation can be performed on the rotor, the bearing, the end cover, the rotary seal, the lubricating system and the like of the pod propulsion module.
The invention can realize the radial loading of the real-scale pod propeller propulsion shaft system under the actual rotating operation condition to simulate the impact load, and can monitor and evaluate the operation state of the whole shaft system.
The invention can realize radial ice breaking load impact simulation examination and performance evaluation on the rotor, the bearing, the end cover, the rotary seal, the lubricating system and the like of the pod propulsion module in a rotary motion state.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic structural diagram of the radial load loading device of the present invention:
FIG. 3 is a schematic view of the construction of the crankcase of the present invention:
fig. 4 is a schematic view showing the construction of the piston rod assembly of the present invention.
The figures are numbered: 1-crankshaft sleeve, 2-bearing for loading, 3-piston connecting rod device, 4-hinge ground anchor, 5-hydraulic oil cylinder and hydraulic load system thereof, 6-variable load hydraulic compensation unit, 7-tested shaft rotor, 8-driving end bearing and lubricating system, 9-driving end cover, 10-driving end rotary sealing and lubricating system, 11-non-driving end bearing and lubricating system, 12-non-driving end cover, 13-non-driving end rotary sealing and lubricating system, 14-driving system base, 15-shafting driving motor, 16-frequency converter, 17-speed change gear box and 18-coupling device.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
Example 1
The invention provides a radial impact load simulation test device of a pod propeller propulsion shaft system, which is used for simulating radial impact load loading test and verification examination of the shaft system of a real-scale pod propeller under an ice breaking working condition.
Referring to fig. 1, the invention discloses a radial impact load simulation test device of a pod propeller propulsion shaft system, which is divided according to functional requirements and comprises a radial load loading device, a radial load loading driving system, a tested shaft system driving system and the like, and a driving end bracket and a non-driving end bracket which are oppositely arranged on a base, wherein the driving end bracket and the non-driving end bracket work together to realize radial impact load simulation loading of the pod propeller propulsion shaft system.
The driving end bracket and the non-driving end bracket are cylindrical frame structures matched with two end parts of the pod shell; a driving end cover 9, a driving end bearing and lubricating system 8 and a driving end rotary sealing and lubricating system 10 are respectively arranged in the driving end bracket; and a non-driving end cover 12, a non-driving end bearing and lubricating system 11 and a non-driving end rotary sealing and lubricating system 13 are respectively arranged in the non-driving end bracket.
Referring to fig. 2, 3 and 4, the radial load loading device comprises a piston connecting rod device 3 connected with a hinge ground anchor 4 on a base and used for loading radial load, a bearing 2 for loading radial load arranged on the piston connecting rod device 3, a crankshaft sleeve 1 arranged on the bearing 2 for loading, and the like; the piston connecting rod device 3 adopts a bidirectional oil cylinder structure piston, so that intermittent force for blocking the shafting torsion is improved, left and right force is transmitted to the driving end of a tested shafting through the crankshaft sleeve 1, and a bearing structure with radial stress is arranged in the hinge ground anchor 4. The radial load loading device adopts a bidirectional crankshaft and connecting rod piston device to realize radial impact load loading at the eccentric position of a shafting, can provide load components of the shafting in the radial direction and the normal direction of a torsion angle, and determines the installation included angle between a loading anchor point and the axis according to the loading ratio of the two load components.
The radial load loading driving system consists of a hydraulic oil cylinder for loading a radial load, a hydraulic load system 5 of the hydraulic oil cylinder and a variable load hydraulic compensation unit 6 arranged in front of the hydraulic oil cylinder and the hydraulic load system 5 of the hydraulic oil cylinder, and the impact load loading adjustment is realized by adjusting the load oil pressure in the piston connecting rod device 3 through the hydraulic oil cylinder and the hydraulic load system 5 of the hydraulic oil cylinder.
The tested shafting driving system consists of a frequency converter 16, a shafting driving motor 15, a speed change gear box 17 and a shaft coupling device 18 of the tested shafting, wherein the speed change gear box 17 is arranged on a driving system base 14.
The tested shaft system consists of a tested shaft rotor 7, a driving end bearing and lubricating system 8, a driving end cover 9, a driving end rotary sealing and lubricating system 10, a non-driving end bearing and lubricating system 11, a non-driving end cover 12 and a non-driving end rotary sealing and lubricating system 13, and the tested shaft system and the non-driving end rotary sealing and lubricating system work cooperatively to realize radial simulation impact load loading of a pod propeller propulsion shaft system. The tested shaft system comprises most parts of a nacelle propeller rotor shaft system, and the performance of the shaft system under impact load can be evaluated under the condition closest to the actual working state.
Example 2
The difference from the above embodiment is: the rotary sealing structure of the shafting driving end can simplify a single set of rotary seal by two sets of rotary seals with composite protection.
Example 3
The difference from the above embodiment is: the load of the piston rod arrangement 3 of the radial load loading means may be loaded by a spring. This eliminates the need for a radial load loading drive system.
Example 4
The difference from the above embodiment is: the shafting bracket consisting of the drive end bracket and the non-drive end bracket can adopt an integral cylindrical structure similar to a pod shell.
The above description is not intended to limit the present invention, but rather, the present invention is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a radial impact load analogue test device of nacelle propeller propulsion shafting which characterized in that: the test device comprises a base, a driving end bracket and a non-driving end bracket which are oppositely arranged on the base, wherein a radial load loading device and a radial load loading driving system are sequentially arranged behind the driving end bracket, and a tested shafting driving system is arranged behind the non-driving end bracket;
the driving end bracket and the non-driving end bracket are cylindrical frame structures matched with two end parts of the pod shell; a driving end cover (9), a driving end bearing and lubricating system (8) and a driving end rotary sealing and lubricating system (10) are respectively arranged in the driving end bracket; a non-driving end cover (12), a non-driving end bearing and lubricating system (11) and a non-driving end rotary sealing and lubricating system (13) are respectively arranged in the non-driving end bracket;
the radial load loading device consists of a piston connecting rod device (3) connected with a hinge ground anchor (4), a bearing (2) for loading arranged on the piston connecting rod device (3) and a crankshaft sleeve (1) arranged on the bearing (2) for loading;
the radial load loading driving system consists of a hydraulic oil cylinder, a hydraulic load system (5) of the hydraulic oil cylinder and a variable load hydraulic compensation unit (6), and the impact load loading adjustment is realized by adjusting the load oil pressure in the piston connecting rod device (3);
the tested shafting driving system consists of a frequency converter (16), a shafting driving motor (15), a speed change gear box (17) and a coupling device (18).
2. The device for simulating and testing the radial impact load of a pod propeller propulsion shaft system as claimed in claim 1, wherein the change speed gear box (17) is arranged on the drive system base (14).
3. The device for simulating and testing the radial impact load of the propulsion shaft system of the pod propeller as claimed in claim 1 or 2, wherein the piston connecting rod device (3) adopts a piston with a bidirectional cylinder structure.
4. The device for simulating and testing the radial impact load of the nacelle propeller propulsion shaft system as claimed in claim 1 or 2, wherein the hinge ground anchor (4) comprises a radially stressed bearing structure inside.
5. A radial impact load simulation test device of a pod propeller propulsion shaft system according to claim 1 or 2, characterized in that the load of the piston rod arrangement (3) is spring loaded.
6. The device for simulating and testing the radial impact load of the propulsion shaft system of the pod propeller as claimed in claim 1 or 2, wherein the driving end bracket and the non-driving end bracket are of an integral cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210023358.0A CN114486144B (en) | 2022-01-10 | 2022-01-10 | Radial impact load simulation test device of nacelle propeller propulsion shafting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210023358.0A CN114486144B (en) | 2022-01-10 | 2022-01-10 | Radial impact load simulation test device of nacelle propeller propulsion shafting |
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| Publication Number | Publication Date |
|---|---|
| CN114486144A true CN114486144A (en) | 2022-05-13 |
| CN114486144B CN114486144B (en) | 2024-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210023358.0A Active CN114486144B (en) | 2022-01-10 | 2022-01-10 | Radial impact load simulation test device of nacelle propeller propulsion shafting |
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| CN (1) | CN114486144B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054094A (en) * | 2023-09-14 | 2023-11-14 | 昆山铭驰自动化科技有限公司 | Bearing vibration detection equipment and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980765A (en) * | 2012-12-12 | 2013-03-20 | 武汉理工大学 | Comprehensive test platform for marine shafting |
| CN103353395A (en) * | 2013-05-27 | 2013-10-16 | 武汉理工大学 | Hydraulic loading device for large marine propulsion shafting test bed |
| KR20150050255A (en) * | 2013-10-31 | 2015-05-08 | 현대위아 주식회사 | Device for testing durability of machining center spindle |
| CN112033672A (en) * | 2020-09-07 | 2020-12-04 | 武汉理工大学 | Calibration device and calibration method for static and dynamic load identification of ship radial bearing |
-
2022
- 2022-01-10 CN CN202210023358.0A patent/CN114486144B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980765A (en) * | 2012-12-12 | 2013-03-20 | 武汉理工大学 | Comprehensive test platform for marine shafting |
| CN103353395A (en) * | 2013-05-27 | 2013-10-16 | 武汉理工大学 | Hydraulic loading device for large marine propulsion shafting test bed |
| KR20150050255A (en) * | 2013-10-31 | 2015-05-08 | 현대위아 주식회사 | Device for testing durability of machining center spindle |
| CN112033672A (en) * | 2020-09-07 | 2020-12-04 | 武汉理工大学 | Calibration device and calibration method for static and dynamic load identification of ship radial bearing |
Non-Patent Citations (1)
| Title |
|---|
| 武兴伟;: "冰载荷冲击下的推进轴系扭振特性影响分析", 船舶, no. 03, 25 June 2020 (2020-06-25) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054094A (en) * | 2023-09-14 | 2023-11-14 | 昆山铭驰自动化科技有限公司 | Bearing vibration detection equipment and use method thereof |
| CN117054094B (en) * | 2023-09-14 | 2024-02-23 | 佳木斯电机股份有限公司 | Bearing vibration detection equipment and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN114486144B (en) | 2024-06-14 |
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