CN114486144B - Radial impact load simulation test device of nacelle propeller propulsion shafting - Google Patents
Radial impact load simulation test device of nacelle propeller propulsion shafting Download PDFInfo
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- CN114486144B CN114486144B CN202210023358.0A CN202210023358A CN114486144B CN 114486144 B CN114486144 B CN 114486144B CN 202210023358 A CN202210023358 A CN 202210023358A CN 114486144 B CN114486144 B CN 114486144B
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- driving end
- end bracket
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- driving
- shafting
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- 238000004088 simulation Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000005461 lubrication Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 7
- 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
- 239000003921 oil Substances 0.000 claims 2
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract description 15
- 238000011156 evaluation Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a radial impact load simulation test device of a nacelle propeller propulsion shafting, 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, 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 invention can realize the development of radial ice breaking load impact simulation assessment and performance evaluation on the rotor, the bearing, the end cover, the rotary seal, the lubricating system and the like of the nacelle 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 nacelle propeller propulsion shafting.
Background
Under ice breaking sailing conditions, the propulsion shaft system can face ice to collide with the blades and the hub, and shafting impact load can be caused by the ice region reinforced nacelle propeller. At present, no effective test means is available for simulating and evaluating the reinforced ice area, and the simulation test of the impact load is limited to single bodies (such as a bearing, a rotary seal and the like) and does not have the function of performing the impact load test on a real object in a rotary state.
In order to break through the dilemma, an impact load simulation test device needs to be designed, so that the real-scale pod propeller propulsion shafting loads a simulated impact load under the actual rotary operation working condition, and the development of ice breaking load impact simulation assessment and performance evaluation 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 operation state are realized.
Disclosure of Invention
The invention aims to provide a radial impact load simulation test device for a nacelle propeller propulsion shafting, which realizes that the real-scale nacelle propeller propulsion shafting loads simulated radial impact load under the actual rotation operation working condition; and the radial ice breaking load impact simulation assessment and performance evaluation are carried out on a rotor, a bearing, an end cover, a rotary seal, a lubricating system and the like of the nacelle propulsion module in a rotary running state.
The technical scheme adopted for solving the technical problems is as follows: the radial impact load simulation test device of the nacelle propeller propulsion shafting 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, 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 which are matched with two end parts of the nacelle shell; a driving end cover, a driving end bearing, a lubricating system and a driving end rotary sealing and lubricating system are respectively arranged in the driving end bracket; the non-driving end bracket is internally provided with a non-driving end cover, a non-driving end bearing, a lubricating system and a non-driving end rotary sealing and lubricating system respectively; the radial load loading device consists of a piston connecting rod device connected with a hinge ground anchor on the base and used for loading radial load, a radial load loading bearing arranged on the piston connecting rod device, a crankshaft sleeve arranged on the loading bearing and the like; the piston connecting rod device improves intermittent force for preventing the shafting from twisting, and left and right force is transmitted to the driving end of the tested shafting through the crankshaft sleeve; the radial load loading driving system consists of a hydraulic cylinder for radial load loading, a hydraulic load system thereof and a variable load hydraulic compensation unit arranged in front of the hydraulic cylinder and the hydraulic load system thereof, and the hydraulic cylinder and the hydraulic load system thereof are used for adjusting the load oil pressure in the piston connecting rod device to realize impact load loading adjustment; the tested shafting driving system consists of a frequency converter, a shafting driving motor, a speed change gear box and a coupling device of the tested shafting.
The radial impact load simulation test device of the nacelle propeller propulsion shafting is characterized in that a speed change gear box is arranged on a driving system base.
The radial impact load simulation test device of the nacelle propeller propulsion shafting adopts a piston with a bidirectional oil cylinder structure as a piston connecting rod device.
The radial impact load simulation test device of the nacelle propeller propulsion shafting comprises a bearing structure with radial stress in a hinge ground anchor.
The load of the piston connecting rod device of the radial impact load simulation test device of the nacelle propeller propulsion shafting is loaded through a spring.
The radial impact load simulation test device of the nacelle propeller propulsion shafting has an integrated cylinder structure of a driving end bracket and a non-driving end bracket.
The beneficial effects of the invention are as follows:
According to the propeller shaft system built based on the actual scale, radial impact load loading of the tested shaft system is achieved through the contact type bearing and the hydraulic connecting rod transmission mechanism, radial impact load loading test and assessment of the tested shaft system under the actual rotation state of the tested shaft system under the ice breaking working condition are achieved, and radial ice breaking load impact simulation assessment can be conducted on a rotor, a bearing, an end cover, a rotary seal, a lubricating system and the like of the nacelle propulsion module.
The invention can realize the radial loading of the real-scale nacelle propeller propulsion shafting to simulate the impact load under the actual rotating operation condition, and can monitor and evaluate the operation state of the whole shafting.
The invention can realize the development of radial ice breaking load impact simulation assessment and performance evaluation on the rotor, the bearing, the end cover, the rotary seal, the lubricating system and the like of the nacelle propulsion module in the rotary running state.
Drawings
FIG. 1 is a schematic general construction of the present invention;
Fig. 2 is a schematic structural view of the radial load loading apparatus of the present invention:
Fig. 3 is a schematic structural view of a crank shaft sleeve according to the present invention:
Fig. 4 is a schematic structural view of the piston rod assembly of the present invention.
The reference numerals are as follows: the device comprises a crankshaft sleeve, a 2-loading bearing, a 3-piston connecting rod device, a 4-hinge ground anchor, a 5-hydraulic cylinder and a hydraulic load system thereof, a 6-variable load hydraulic compensation unit, a 7-tested shaft rotor, an 8-driving end bearing and lubricating system, a 9-driving end cover, a 10-driving end rotary sealing and lubricating system, an 11-non-driving end bearing and lubricating system, a 12-non-driving end cover, a 13-non-driving end rotary sealing and lubricating system, a 14-driving system base, a 15-shafting driving motor, a 16-frequency converter, a 17-speed change gearbox and an 18-coupling device.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
Example 1
The invention provides a radial impact load simulation test device for a nacelle propeller propulsion shafting, which is used for simulating radial impact load loading test and verification check of a full-scale nacelle propeller shafting under an ice breaking working condition.
Referring to fig. 1, the invention discloses a radial impact load simulation test device of a nacelle propeller propulsion shafting, which is divided according to functional requirements and comprises a radial load loading device, a radial load loading driving system, a tested shafting driving system 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 in a cooperative manner to realize radial impact load simulation of the nacelle propeller propulsion shafting.
The driving end bracket and the non-driving end bracket are cylindrical frame structures which are matched with two end parts of the nacelle shell; a driving end cover 9, a driving end bearing, a lubricating system 8 and a driving end rotary sealing and lubricating system 10 are respectively arranged in the driving end bracket; the non-driving end bracket is internally provided with a non-driving end cover 12, a non-driving end bearing and lubrication system 11 and a non-driving end rotary sealing and lubrication system 13 respectively.
Referring to fig. 2, 3 and 4, the radial load loading device is composed of a piston connecting rod device 3 connected with a hinge ground anchor 4 on a base and used for radial load loading, a radial load loading bearing 2 arranged on the piston connecting rod device 3, a crankshaft sleeve 1 arranged on the loading bearing 2, and the like; the piston connecting rod device 3 adopts a bidirectional oil cylinder structure piston, improves intermittent force for preventing the shafting from twisting, transmits left and right force to the driving end of the tested shafting through the crankshaft sleeve 1, and comprises a bearing structure with radial stress 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 the shafting, can provide load components normal to the radial direction and the torsion angle of the shafting, 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 cylinder and a hydraulic load system 5 for radial load loading and a variable load hydraulic compensation unit 6 arranged in front of the hydraulic cylinder and the hydraulic load system 5, and the hydraulic cylinder and the hydraulic load system 5 regulate the load oil pressure in the piston connecting rod device 3 to realize impact load loading regulation.
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 of the tested shafting, wherein the speed change gear box 17 is arranged on a driving system base 14.
The tested shaft system is formed by a tested shaft rotor 7, a driving end bearing and lubrication system 8, a driving end cover 9, a driving end rotary seal and lubrication system 10, a non-driving end bearing and lubrication system 11, a non-driving end cover 12 and a non-driving end rotary seal and lubrication system 13, and the tested shaft system and the non-driving end bearing and lubrication system and the non-driving end cover 12 are cooperated to realize the radial simulation impact load loading of the nacelle propeller propulsion shaft system. The tested shafting comprises most parts of the rotor shafting of the nacelle propeller, and the performance of the shafting under impact load can be evaluated under the condition closest to the actual working state.
Example 2
The differences from the above embodiments are: the rotary sealing structure of the shafting driving end can simplify single-set rotary sealing by two sets of rotary sealing with compound protection.
Example 3
The differences from the above embodiments are: the load of the piston rod arrangement 3 of the radial load loading device may be loaded by a spring. This allows the radial load loading drive system to be eliminated.
Example 4
The differences from the above embodiments are: the shafting bracket consisting of the driving end bracket and the non-driving end bracket can adopt a monolithic cylinder structure similar to the nacelle shell.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and scope of the present invention.
Claims (6)
1. A radial impact load simulation test device of a nacelle propeller propulsion shafting is characterized in that: the device 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, 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 which are matched with two end parts of the nacelle shell; a driving end cover (9), a driving end bearing and lubrication system (8) and a driving end rotary sealing and lubrication system (10) are respectively arranged in the driving end bracket; a non-driving end cover (12), a non-driving end bearing and lubrication system (11) and a non-driving end rotary sealing and lubrication 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 loading bearing (2) arranged on the piston connecting rod device (3) and a crankshaft sleeve (1) arranged on the loading bearing (2);
The radial load loading driving system consists of a hydraulic oil cylinder, a hydraulic load system (5) thereof and a variable load hydraulic compensation unit (6), and 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. A radial impact load simulation test device for a propulsion shafting of a pod thruster according to claim 1, characterized in that the change gearbox (17) is arranged on the drive system foundation (14).
3. The radial impact load simulation test device of the nacelle propeller propulsion shafting according to claim 1 or 2, wherein the piston connecting rod device (3) adopts a bidirectional oil cylinder structure piston.
4. A device for simulating the radial impact load of a propulsion shafting of a pod thruster according to claim 1 or 2, characterized in that the hinge anchor (4) comprises a radially stressed bearing structure inside.
5. A radial impact load simulation test device of a nacelle propeller propulsion shafting according to claim 1 or 2, characterized in that the load of the piston rod arrangement (3) is loaded by a spring.
6. A radial impact load simulation test device for a propulsion shafting of a pod propeller according to claim 1 or 2, wherein the drive end bracket and the non-drive end bracket are of an integral cylinder 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 |
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| 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 |
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| CN114486144A CN114486144A (en) | 2022-05-13 |
| CN114486144B true CN114486144B (en) | 2024-06-14 |
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| 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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| 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 |
Citations (1)
| 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 |
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| CN103353395B (en) * | 2013-05-27 | 2015-02-25 | 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 |
| CN112033672B (en) * | 2020-09-07 | 2022-05-06 | 武汉理工大学 | Calibration device and calibration method for static and dynamic load identification of ship radial bearing |
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Patent Citations (1)
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 冰载荷冲击下的推进轴系扭振特性影响分析;武兴伟;;船舶;20200625(03);全文 * |
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