CN105466686B - 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 - Google Patents
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 Download PDFInfo
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- CN105466686B CN105466686B CN201511018821.9A CN201511018821A CN105466686B CN 105466686 B CN105466686 B CN 105466686B CN 201511018821 A CN201511018821 A CN 201511018821A CN 105466686 B CN105466686 B CN 105466686B
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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
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Abstract
The present invention relates to a kind of revolving part axial direction force loading system for having and turning the not coaxial fault-tolerant ability of stator, rotor is installed on Rotor test device, test bearing is enclosed on the outside of rotor and is placed in bearing block, and there is the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator to include pressurized strut, dynamometer, turn stator converter, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link, conversion bolt and heavy frame.Active force is applied by pressurized strut, is sequentially delivered to turn stator converter, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link and conversion bolt, is eventually transferred on rotor and test bearing.The loading system of the present invention has simple in construction, stable load, and can realize rotating shaft out-of-alignment fault-tolerant ability by turning stator converter.
Description
Technical field
The invention belongs to aero-engine test technology field, more particularly to it is a kind of have turn the not coaxial fault-tolerant ability of stator
Revolving part axial direction force loading system.
Background technology
In aeroengine rotor experiment, because airload can produce larger axial force, thrust bearing is acted on
On, even up to tens tons, far beyond the tolerance range of thrust bearing, it is necessary to balance this axial force, make thrust bearing
Stress is in zone of reasonableness.(the radial direction dynamic flexibility of such as thrust bearing) to thrust bearing, it is necessary to apply in bearing characteristicses experiment
Add certain axial force, to eliminate the end-play of thrust bearing, and one is required for close to real working condition, these experiments
The axial force loading system of kind.
Current loading system is：Rotor and bearing are arranged on Rotor test device, using same on Rotor test device
The pressure disc of rotation is walked, by adjusting the air cavity pressure before and after pressure disc, realizes regulation rotor axial power, this method regulation needs
Assemble the axiality of regulation rotor and pressure disc and rotor oscillation can be brought, and it is big with air pressure low-response, equipment volume
The problems such as.
The content of the invention
It is an object of the invention to provide it is a kind of have turn the revolving part axial direction force loading system of the not coaxial fault-tolerant ability of stator,
Solving current loading equipemtn, in loading, rotor oscillation is big, reacts the problems such as slow.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：It is a kind of have turn the not coaxial fault-tolerant ability of stator
Revolving part axial direction force loading system, rotor are installed on Rotor test device, and test bearing, which is enclosed on the outside of rotor, is placed in bearing
In seat；Include pressurized strut, dynamometer with the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, turn stator turn
Parallel operation, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link, conversion bolt and heavy frame；
The pressurized strut is installed on pressurized strut mounting seat, and pressurized strut acts on the end face for turning stator converter, used
In offer loading force；
The pressurized strut and it is described turn that dynamometer is installed between stator converter, apply for measuring the pressurized strut
Loading force numerical value；
The stator converter that turns includes converter mounting seat, quiet cylinder, bearing and rotating cylinder, and the converter mounting seat is with making
Dynamic cylinder mounting seat is fixedly connected, and the quiet cylinder is placed in converter mounting seat and is slidably connected with converter mounting seat, described turn
Cylinder is placed in quiet cylinder and by bearings, and pressurized strut is acted on quiet cylinder, and rotating cylinder is connected with the first joint ball link；
The first gimbal suspension ball link, shaft coupling, the 20000th are sequentially connected in the other end for turning stator converter
To joint ball link, it is attached between rotor and the second gimbal suspension ball link with conversion bolt；
The heavy frame is fixed and is placed between the bearing block and pressurized strut mounting seat, for eliminating the planted agent of loading system
Power.
Further, the pressurized strut is hydraulic actuator.
Further, the dynamometry is calculated as radial dynamometer.
Further, the bearing is ball bearing.
The present invention's has the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, is applied by pressurized strut
Active force, be sequentially delivered to turn stator converter, the first gimbal suspension ball link, shaft coupling, the second gimbal suspension ball link and
Conversion bolt, it is eventually transferred on rotor and test bearing.The loading system of the present invention has simple in construction, stable load, and
And rotating shaft out-of-alignment fault-tolerant ability can be realized by turning stator converter.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Fig. 1 is according to one embodiment of the invention there is the revolving part axial force for turning the not coaxial fault-tolerant ability of stator to load system
The structural representation of system；
Fig. 2 is the structural representation for turning stator converter according to one embodiment of the invention；
Fig. 3 is according to the first gimbal suspension ball link of one embodiment of the invention and the knot of the second gimbal suspension ball link
Structure schematic diagram.
Wherein, 1 is pressurized strut, and 2 be dynamometer, and 3 be to turn stator converter, and 4 be the first gimbal suspension ball link, and 5 be connection
Axle device, 6 be heavy frame, and 7 be the second gimbal suspension ball link, and 8 be conversion bolt, and 11 be pressurized strut mounting seat, and 31 be converter
Mounting seat, 32 be quiet cylinder, and 33 be bearing, and 34 be rotating cylinder, and 100 be rotor, and 200 be Rotor test device, and 300 be test bearing,
400 bearing blocks.
Embodiment
To make the purpose, technical scheme and advantage that the present invention is implemented clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
Part of the embodiment, rather than whole embodiments.Embodiment below with reference to accompanying drawing description is exemplary type, it is intended to is used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of the work of creation type is not made, belongs to the scope of protection of the invention.Under
Embodiments of the invention are described in detail with reference to accompanying drawing for face.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of the description present invention and simplifies description, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the present invention is protected
The limitation of scope.
There is the revolving part axial force loading for turning the not coaxial fault-tolerant ability of stator for one embodiment of the invention as shown in Figure 1
System, rotor 100 are installed on Rotor test device 200, and test bearing 300, which is enclosed on the outside of rotor, to be placed in bearing block 400,
Loading system includes pressurized strut 1, dynamometer 2, turns stator converter 3, the first gimbal suspension ball link 4, shaft coupling the 5, the 20000th
To joint ball link 7, conversion bolt 8 and heavy frame 6；The pressurized strut 1 is installed on pressurized strut mounting seat 11, and pressurized strut 1 acts on
In the end face for turning stator converter 3, for providing loading force；The pressurized strut 1 with it is described turn stator converter 3 it
Between dynamometer 2 is installed, the numerical value of the loading force applied for measuring the pressurized strut 1；Turn the another of stator converter 3 described
End face is sequentially connected the first gimbal suspension ball link 4, shaft coupling 5, the second gimbal suspension ball link 7, in rotor 100 and second
It is attached between gimbal suspension ball link 7 with conversion bolt 8；The heavy frame 6, which is fixed, is placed in the bearing block 400 with making
Between dynamic cylinder mounting seat 11, for eliminating the internal stress of loading system.
It is pointed out that the pressurized strut 1 is hydraulic actuator.Larger loading can be provided using hydraulic actuator
Power, with the loading force needed for adequacy test.
Need to support, the dynamometer 2 is radial dynamometer.
As shown in Fig. 2 the stator converter 3 that turns in the embodiment of the present invention further comprises converter mounting seat 31, quiet cylinder
32nd, bearing 33 and rotating cylinder 34, the converter mounting seat 31 are fixedly connected with pressurized strut mounting seat 11, and the quiet cylinder 32 is placed in
It is slidably connected in converter mounting seat 31 and with converter mounting seat 31, the rotating cylinder 34 is placed in quiet cylinder 32 and by bearing 33
Support, pressurized strut 1 are acted on quiet cylinder 32, and rotating cylinder 34 is connected with the first joint ball link 4.Can be with by turning stator converter 3
Realize that pressurized strut 1 acts on the power of stator and is similarly applied on rotor, realize the real stressing conditions of model rotor.
It is pointed out that the bearing 33 is ball bearing, ball bearing can bear larger load.
Specifically, the present embodiment is by taking certain test bearing radial direction dynamic flexibility experiment demand as an example, axial force maximum load demand
For 3 tons, by maximum 5 tons of load capabilities design, the Remote Hydraulic oil sources maximum working pressure used is 21MPa, pressurized strut piston
Area 50cm2, the loading of 5 tons of axial forces can be achieved under 10MPa oil pressure, using load added by the guarantee of remote control oil sources stagnation pressure
Non-overloading, using remote adjustment pressurized strut loading different loads during experiment.During experiment, axial force size is stepless can
Adjust, it is reliable and stable and applicable by oil pressure cntrol according to the also replaceable pressurized strut 1 of actual loaded power size requirement, added load
Scope is wide, can all be realized from tens kilograms to tens tons, and through radial dynamometer Real-time Feedback.
Radial dynamometer is the integrated design with turning stator converter 3 in the present embodiment, i.e., radial dynamometer is with turning
The quiet cylinder integration connection of stator converter 3, turns stator converter 3 to realize conversion of the stator to rotor, and use can
Bear two ball bearings of 3 tons of axial forces.Because hydraulic actuator piston can not rotate, and rotor 100 is typically to rotate at a high speed
, turning stator converter 3 can realize that non-rotating axial force converts to rotor.
As shown in figure 3, the second gimbal suspension ball link 7, is connected by shaft coupling 5 with the first gimbal suspension ball link 4, even
Switch through stator converter 3 and rotor 100.Specifically, dual thrust oscillating bearing and material are used as 40CrNiMoA, a diameter of
15mm small axle forms a universal hinge, and two universal hinges form a double-strand chain formula shaft coupling, stress shape with a shaft coupling 5
Formula is two power bars, and wherein diameter 15mm, the axial force bearing capacity that material is 40CrNiMoA meet maximum 3 tons of axles up to 20 tons
Demand is loaded to power.Double-strand chain formula shaft coupling stress form is two power bars, i.e. the shaft coupling 5 can only transmit axial force, be not subject to
Moment of flexure, it is possible thereby to solve the problems, such as loading axis and armature spindle decentraction, and two axle center axialities need not be adjusted, to assemble band
Carry out great convenience, also greatly enhance the applicability of the system.
In on test bearing 300, the equilibrant force of axial force is acted on the responsive to axial force of rotor 100 by heavy frame 6
On the housing of dynamic cylinder 1, the self-balancing of power is realized.Heavy frame 6 is directly acted between bearing block 400 and pressurized strut overcoat, with work
Dynamic cylinder 1, radial dynamometer, turn stator converter 3, shaft coupling 5, rotor 100, test bearing 300, the formation power of bearing block 400
Self-balancing system, wherein heavy frame 6 open dual operation window, to meet matching requirements.The equilibrant force of the axial force of rotor 100 is direct
Act on the bearing block 400 of test bearing 300, power not unofficial biography, the basis of rotor-support-foundation system is strengthened requiring without rigidity.
The present invention's there is the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator to use irrotational liquid
Pressure loading axial force, has the advantages of response is fast, small volume, stable load and scope are wide, remote controlled；Turned using stator is turned
Change device 3 and realize that axial force is converted from stator to rotor, and the function of load accurate feedback is synchronously realized by radial dynamometer；
Connected using two gimbal suspension ball links and with shaft coupling 5, there is rotating shaft out-of-alignment fault-tolerant ability, have it is easy to assembly,
The advantages of axiality need not be adjusted；Using force self-balanced design, demand is reequiped without rigidity to Rotor test device.
It is described above, it is only the optimal embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (4)
1. a kind of have the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, rotor (100) is installed on rotor
On exerciser (200), test bearing (300), which is enclosed on the outside of rotor, to be placed in bearing block (400), it is characterised in that is had
Turning the revolving part axial direction force loading system of the not coaxial fault-tolerant ability of stator includes pressurized strut (1), dynamometer (2), turns stator conversion
Device (3), the first gimbal suspension ball link (4), shaft coupling (5), the second gimbal suspension ball link (7), conversion bolt (8) and load
Frame (6)；
The pressurized strut (1) is installed on pressurized strut mounting seat (11), and pressurized strut (1), which acts on, described turns stator converter (3)
End face, for providing loading force；
The pressurized strut (1) and it is described turn that dynamometer (2) is installed between stator converter (3), for measuring the start
The numerical value for the loading force that cylinder (1) applies；
The stator converter (3) that turns includes converter mounting seat (31), quiet cylinder (32), bearing (33) and rotating cylinder (34), described
Converter mounting seat (31) is fixedly connected with pressurized strut mounting seat (11), and the quiet cylinder (32) is placed in converter mounting seat (31)
And be slidably connected with converter mounting seat (31), the rotating cylinder (34) is placed in quiet cylinder (32) and supported by bearing (33), makees
Dynamic cylinder (1) is acted on quiet cylinder (32), and rotating cylinder (34) is connected with the first joint ball link (4)；
The first gimbal suspension ball link (4), shaft coupling (5), are sequentially connected in the other end for turning stator converter (3)
Two gimbal suspension ball links (7), connected between rotor (100) and the second gimbal suspension ball link (7) with conversion bolt (8)
Connect；
Heavy frame (6) fixation is placed between the bearing block (400) and pressurized strut mounting seat (11), for eliminating loading system
The internal stress of system.
2. according to claim 1 have the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, it is special
Sign is that the pressurized strut (1) is hydraulic actuator.
3. according to claim 1 have the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, it is special
Sign is that the dynamometer (2) is radial dynamometer.
4. according to claim 1 have the revolving part axial direction force loading system for turning the not coaxial fault-tolerant ability of stator, it is special
Sign is that the 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 |
|---|---|
| CN105466686A CN105466686A (en) | 2016-04-06 |
| CN105466686B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197808B (en) * | 2016-08-16 | 2019-01-18 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of positioning of no thrust bearing rotor 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 |
| 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 |
| 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 |
| CN112197925B (en) * | 2020-09-30 | 2021-11-30 | 天津大学 | Connecting device for double-shaft bidirectional vibration loading test |
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| JP2002286586A (en) * | 2001-03-27 | 2002-10-03 | Toshiba Corp | Instrument for measuring load displacement amount |
| JP2007256202A (en) * | 2006-03-24 | 2007-10-04 | Mitsui Eng & Shipbuild Co Ltd | Bearing load-measuring device of marine diesel engine |
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