CN105466686A - Rotating part axial force loading system comprising rotor and stator difference axis fault-tolerant ability - Google Patents
Rotating part axial force loading system comprising rotor and stator difference axis fault-tolerant ability Download PDFInfo
- Publication number
- CN105466686A CN105466686A CN201511018821.9A CN201511018821A CN105466686A CN 105466686 A CN105466686 A CN 105466686A CN 201511018821 A CN201511018821 A CN 201511018821A CN 105466686 A CN105466686 A CN 105466686A
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- rotor
- stator
- converter
- pressurized strut
- bearing
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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
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Abstract
The invention relates to a rotating part axial force loading system comprising a rotor and stator difference axis fault-tolerant ability. A rotor is arranged on a rotor test device, a test bearing sleeves on outside of the rotor, and is arranged in a bearing pedestal. The system comprises an actuator cylinder, a forcemeter, a rotor and stator convertor, a first universal ball joint connecting rod, a coupling, a second universal ball joint connecting rod, a convert bolt and a load-bearing frame. The actuator cylinder brings an acting force to transmit the acting force to the rotor and stator convertor, the first universal ball joint connecting rod, the coupling, the second universal ball joint connecting rod and the convert bolt in order, and finally, the acting force is transmitted to the rotor and the test bearing. The loading system has simple structure and stable load, and the load system can realize the shaft rotation with the difference axis fault-tolerant ability through the rotor and stator convertor.
Description
Technical field
The invention belongs to aero-engine test technology field, particularly relate to and a kind of there is the revolving part axial force loading system turning stator disalignment fault-tolerant ability.
Background technology
In aeroengine rotor test, because airload can produce larger axial force, act on thrust bearing, even can reach tens tons, far exceed the tolerance range of thrust bearing, this axial force must be balanced, make that thrust bearing is stressed to be in zone of reasonableness.In bearing characteristics test (the radial dynamic flexibility as thrust bearing), need to apply certain axial force to thrust bearing, to eliminate the end-play of thrust bearing, and close to real duty, these tests all need a kind of axial force loading system.
Current loading system is: be arranged on Rotor test device by rotor and bearing, Rotor test device adopts the pressure disc of synchronous rotary, by regulating the air cavity pressure before and after pressure disc, realize regulating rotor axial force, this method regulates needs assembling regulate the right alignment of rotor and pressure disc and can bring rotor oscillation, and has the problems such as air pressure low-response, equipment volume are large.
Summary of the invention
The object of this invention is to provide and a kind of there is the revolving part axial force loading system turning stator disalignment fault-tolerant ability, solve the rotor oscillation when loading of current loading equipemtn large, react the problem such as slow.
For achieving the above object, the technical solution used in the present invention is: a kind of have the revolving part axial force loading system turning stator disalignment fault-tolerant ability, and rotor is installed on Rotor test device, and test bearing is enclosed within the outside of rotor and is placed in bearing seat; Have that the revolving part axial force loading system turning stator disalignment fault-tolerant ability comprises pressurized strut, dynamometer, turns stator converter, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link, conversion bolt and heavy frame;
Described pressurized strut is installed on pressurized strut mount pad, turns an end face of stator converter, for providing loading force described in pressurized strut acts on;
In described pressurized strut and described turning between stator converter, dynamometer is installed, for measuring the numerical value of the loading force that described pressurized strut applies;
Connect the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link successively in the described other end turning stator converter, be connected by conversion bolt between rotor with the second gimbal suspension ball link;
Described heavy frame is fixedly placed between described bearing seat and pressurized strut mount pad, for eliminating the internal stress of loading system.
Further, described pressurized strut is hydraulic actuator.
Further, described dynamometry counts radial dynamometer.
Further, the described stator converter that turns comprises converter mount pad, quiet cylinder, bearing and rotating cylinder, described converter mount pad is fixedly connected with pressurized strut mount pad, described quiet cylinder to be placed in converter mount pad and to be slidably connected with converter mount pad, described rotating cylinder to be placed in quiet cylinder and to pass through bearings, pressurized strut acts on quiet cylinder, and rotating cylinder is connected with the first joint ball connecting rod.
Further, described bearing is ball bearing.
Of the present invention have the revolving part axial force loading system turning stator disalignment fault-tolerant ability, acting force is applied by pressurized strut, be delivered to successively and turn stator converter, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link and conversion bolt, be finally delivered on rotor and test bearing.Loading system of the present invention has that structure is simple, stable load, and can realize rotating shaft out-of-alignment fault-tolerant ability by turning stator converter.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows embodiment according to the invention, and is used from instructions one and explains principle of the present invention.
Fig. 1 is the structural representation according to an embodiment of the invention with the revolving part axial force loading system turning stator disalignment fault-tolerant ability;
Fig. 2 is the structural representation turning stator converter according to an embodiment of the invention;
Fig. 3 be according to an embodiment of the invention the first gimbal suspension ball link and the second gimbal suspension ball link structural representation.
Wherein, 1 is pressurized strut, and 2 is dynamometers, 3 is turn stator converter, and 4 is first gimbal suspension ball links, and 5 is shaft couplings, 6 is heavy frames, and 7 is second gimbal suspension ball links, and 8 is conversion bolt, 11 is pressurized strut mount pads, and 31 is converter mount pads, and 32 is quiet cylinders, 33 is bearings, and 34 is rotating cylinders, and 100 is rotors, 200 is Rotor test devices, and 300 is test bearings, 400 bearing seats.
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary type below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creation type work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
What be illustrated in figure 1 one embodiment of the invention has the revolving part axial force loading system turning stator disalignment fault-tolerant ability, rotor 100 is installed on Rotor test device 200, test bearing 300 is enclosed within the outside of rotor and is placed in bearing seat 400, and loading system comprises pressurized strut 1, dynamometer 2, turns stator converter 3, first gimbal suspension ball link 4, shaft coupling 5, second gimbal suspension ball link 7, conversion bolt 8 and heavy frame 6; Described pressurized strut 1 is installed on pressurized strut mount pad 11, turns an end face of stator converter 2, for providing loading force described in pressurized strut 1 acts on; In described pressurized strut 1 and described turning between stator converter 3, dynamometer 2 is installed, for measuring the numerical value of the loading force that described pressurized strut 1 applies; Connect the first gimbal suspension ball link 4, shaft coupling 5, second gimbal suspension ball link 7 in the described other end turning stator converter 3 successively, be connected by conversion bolt 8 between rotor 100 with the second gimbal suspension ball link 7; Described heavy frame 6 is fixedly placed between described bearing seat 400 and pressurized strut mount pad 11, for eliminating the internal stress of loading system.
It is pointed out that described pressurized strut 1 is hydraulic actuator.Adopt hydraulic actuator can provide larger loading force, with the loading force needed for adequacy test.
Need to support, described dynamometer 2 is radial dynamometer.
As shown in Figure 2, the stator converter 3 that turns in the embodiment of the present invention comprises converter mount pad 31, quiet cylinder 32, bearing 33 and rotating cylinder 34 further, described converter mount pad 31 is fixedly connected with pressurized strut mount pad 11, described quiet cylinder 32 to be placed in converter mount pad 31 and to be slidably connected with converter mount pad 31, described rotating cylinder 34 to be placed in quiet cylinder 31 and to be supported by bearing 33, pressurized strut 1 acts on quiet cylinder 31, and rotating cylinder 34 is connected with the first joint ball connecting rod 4.The power that pressurized strut 1 acts on stator can be realized put on equally on rotor by turning stator converter 3, realize the real stressing conditions of model rotor.
It is pointed out that described bearing 33 is ball bearing, ball bearing can bear larger load.
Concrete, the present embodiment is for certain test bearing radial dynamic flexibility test demand, and axial force maximum load demand is 3 tons, and by maximum 5 tons of load capabilities design, the Remote Hydraulic oil sources maximum working pressure (MOP) of employing is 21MPa, pressurized strut piston area 50cm
2, the loading of 5 tons of axial forces can be realized under 10MPa oil pressure, adopt Long-distance Control oil sources stagnation pressure to ensure added load non-overloading, in process of the test, adopt remote adjustment pressurized strut to load different loads.In process of the test, axial force size is stepless adjustable, according to the also replaceable pressurized strut 1 of actual loaded power size requirement, added load is by oil pressure cntrol, reliable and stable, and applied widely, all can realize from tens kilograms to tens tons, and through radial dynamometer Real-time Feedback.
In the present embodiment radial dynamometer with turn stator converter 3 and be the integrated design, namely radial dynamometer is integrated with the quiet cylinder turning stator converter 3 connects, turn stator converter 3 in order to realize the conversion of stator to rotor, and adopt two ball bearings that can bear 3 tons of axial forces.Because hydraulic actuator piston can not rotate, and rotor 100 normally High Rotation Speed, turn stator converter 3 and just can realize non-rotating axial force and transform to rotor.
As shown in Figure 3, the second gimbal suspension ball link 7, is connected with the first gimbal suspension ball link 4 by shaft joint 5, connect and turn stator converter 3 and rotor 100.Concrete, the little axle that dual thrust oscillating bearing and material are 40CrNiMoA, diameter is 15mm is adopted to form a universal hinge, two universal hinges are joined a shaft joint 3 and are formed a double-strand chain formula shaft coupling, stress form is two power bars, wherein diameter 15mm, material are that the axial force load-bearing capacity of 40CrNiMoA can reach 20 tons, meet maximum 3 tons of axial forces and load demand.Double-strand chain formula shaft coupling stress form is two power bars, and namely this shaft joint 3 can only transmit axial force, does not bear moment of flexure, can solve thus and load axle and armature spindle decentraction problem, and do not need adjustment two axle center right alignment, for assembling brings great convenience, make the applicability of this system greatly strengthen yet.
The responsive to axial force of rotor 100 is on test bearing 300, and the equilibrant of axial force is acted on by heavy frame 6 on the housing of pressurized strut 1, the self-equilibrating of realizable force.Heavy frame 6 directly acts between bearing seat 400 and pressurized strut overcoat, with pressurized strut 1, radial dynamometer, turn stator converter 3, shaft joint 5, rotor 100, test bearing 300, bearing seat 400 form force self-balanced system, wherein heavy frame 5 opens dual operation window, to meet matching requirements.The equilibrant of the axial force of rotor 100 directly acts on the bearing seat 400 of test bearing 300, and power is unofficial biography not, strengthens requirement to the basis of rotor-support-foundation system without rigidity.
Of the present invention have the revolving part axial force loading system turning stator disalignment fault-tolerant ability and adopt irrotational hydraulic loaded axial force, has that response is fast, volume is little, stable load and wide ranges, a remote controlled advantage; Employing turns stator converter 3 and realizes axial force and transformed to rotor by stator, and synchronously realizes the function of load accurate feedback by radial dynamometer; Adopt two gimbal suspension ball links and connect with shaft coupling 5, there is rotating shaft out-of-alignment fault-tolerant ability, there is advantage easy to assembly, not need to regulate right alignment; Adopt force self-balanced design, without rigidity, demand is reequiped to Rotor test device.
The above; be only optimum embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (5)
1. one kind has the revolving part axial force loading system turning stator disalignment fault-tolerant ability, rotor (100) is installed on Rotor test device (200), test bearing (300) is enclosed within the outside of rotor and is placed in bearing seat (400), it is characterized in that, there is the revolving part axial force loading system turning stator disalignment fault-tolerant ability and comprise pressurized strut (1), dynamometer (2), turn stator converter (3), first gimbal suspension ball link (4), shaft coupling (5), second gimbal suspension ball link (7), conversion bolt (8) and heavy frame (6),
Described pressurized strut (1) is installed on pressurized strut mount pad (11), turns an end face of stator converter (2), for providing loading force described in pressurized strut (1) acts on;
Dynamometer (2) is installed, for measuring the numerical value of the loading force that described pressurized strut (1) applies in described pressurized strut (1) and described turning between stator converter (3);
Connect the first gimbal suspension ball link (4), shaft coupling (5), the second gimbal suspension ball link (7) in the described other end turning stator converter (3) successively, be connected by conversion bolt (8) between rotor (100) with the second gimbal suspension ball link (7);
Described heavy frame (6) is fixedly placed between described bearing seat (400) and pressurized strut mount pad (11), for eliminating the internal stress of loading system.
2. according to claim 1 have the revolving part axial force loading system turning stator disalignment fault-tolerant ability, and it is characterized in that, described pressurized strut (1) is hydraulic actuator.
3. according to claim 1 have the revolving part axial force loading system turning stator disalignment fault-tolerant ability, and it is characterized in that, described dynamometer (2) is radial dynamometer.
4. according to claim 1 have the revolving part axial force loading system turning stator disalignment fault-tolerant ability, it is characterized in that, the described stator converter (3) that turns comprises converter mount pad (31), quiet cylinder (32), bearing (33) and rotating cylinder (34), described converter mount pad (31) is fixedly connected with pressurized strut mount pad (11), described quiet cylinder (32) to be placed in converter mount pad (31) and to be slidably connected with converter mount pad (31), described rotating cylinder (34) is placed in quiet cylinder (31) and is also supported by bearing (33), pressurized strut (1) acts on quiet cylinder (31), rotating cylinder (34) is connected with the first joint ball connecting rod (4).
5. according to claim 4ly turn stator converter, it is characterized in that, described bearing (33) is ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018821.9A CN105466686B (en) | 2015-12-30 | 2015-12-30 | It is a kind of that there is the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018821.9A CN105466686B (en) | 2015-12-30 | 2015-12-30 | It is a kind of that there is the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator |
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| Publication Number | Publication Date |
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| CN105466686A true CN105466686A (en) | 2016-04-06 |
| CN105466686B CN105466686B (en) | 2018-03-02 |
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| CN201511018821.9A Active CN105466686B (en) | 2015-12-30 | 2015-12-30 | It is a kind of that there is the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator |
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Cited By (5)
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| CN106197808A (en) * | 2016-08-16 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | The location of a kind of rotor without thrust bearing and axial-force testing device |
| CN106441905A (en) * | 2016-08-16 | 2017-02-22 | 中国航空工业集团公司沈阳发动机设计研究所 | Signal transmission device with rotor acting as benchmark |
| CN108426692A (en) * | 2018-04-27 | 2018-08-21 | 山东科技大学 | Magnetic suspension rotor experimental bench and progress magnetic suspension rotor test analysis method |
| CN109388907A (en) * | 2018-10-31 | 2019-02-26 | 中船动力研究院有限公司 | A kind of design method of the shafting with default extensional vibration dynamic flexibility |
| CN112197925A (en) * | 2020-09-30 | 2021-01-08 | 天津大学 | Experimental device for simulating fatigue damage of deep-water steel catenary riser contact section |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106197808A (en) * | 2016-08-16 | 2016-12-07 | 中国航空工业集团公司沈阳发动机设计研究所 | The location of a kind of rotor without thrust bearing and axial-force testing device |
| CN106441905A (en) * | 2016-08-16 | 2017-02-22 | 中国航空工业集团公司沈阳发动机设计研究所 | Signal transmission device with rotor acting as benchmark |
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| CN108426692B (en) * | 2018-04-27 | 2023-12-08 | 唐山森普矿山装备有限公司 | Magnetic suspension rotor experiment table and magnetic suspension rotor test analysis method |
| CN109388907A (en) * | 2018-10-31 | 2019-02-26 | 中船动力研究院有限公司 | A kind of design method of the shafting with default extensional vibration dynamic flexibility |
| CN109388907B (en) * | 2018-10-31 | 2022-10-14 | 中船动力研究院有限公司 | Design method of shafting with preset longitudinal vibration dynamic flexibility |
| CN112197925A (en) * | 2020-09-30 | 2021-01-08 | 天津大学 | Experimental device for simulating fatigue damage of deep-water steel catenary riser contact section |
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