CN208887809U - A kind of full stator casing exciting force dynamic calibration apparatus - Google Patents
A kind of full stator casing exciting force dynamic calibration apparatus Download PDFInfo
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- CN208887809U CN208887809U CN201821780359.5U CN201821780359U CN208887809U CN 208887809 U CN208887809 U CN 208887809U CN 201821780359 U CN201821780359 U CN 201821780359U CN 208887809 U CN208887809 U CN 208887809U
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- exciting force
- calibration apparatus
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- rotor
- dynamic calibration
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Abstract
The application belongs to technical field of motors, in particular to a kind of full stator casing exciting force dynamic calibration apparatus, it include: outer cover and coaxial stator and rotor, the stator coaxial sleeve is set to and is mounted on the rotor of bearing, it is linked together between the stator and the outer cover by having pasted the connection component of foil gauge, generation rotation is driven by motor in the rotor, and the threaded hole of mounting screw is also provided on the rotor as clump weight, motor driven rotor high-speed rotation, the exciting force of generation makes foil gauge generate strain value, it is also devised with a dynamic calibration apparatus simultaneously, for demarcating the relationship of the strain value and power, obtain motor under different rotating speeds, the size of exciting force caused by unbalance mass,.Full stator casing exciting force dynamic calibration apparatus provided by the present application, can obtain the actual value for directly detecting electro spindle exciting force, and relative to theoretical calculating, the numerical value obtained is more accurate.
Description
Technical field
The application belongs to technical field of motors, in particular to a kind of full stator casing exciting force dynamic calibration apparatus.
Background technique
In the full stator casing dynamic flexibility test of progress engine, unbalance mass, rotation is driven to produce using high-speed electric main shaft
Raw exciting force loads each fulcrum of engine crankcase, using that can generate out-of-balance force when rotating at high speed, as exciting force
Act on casing.Each fulcrum dynamic flexibility value in order to obtain needs to know the exciting force size.There are no relevant in the prior art
Exciting force test verifying device, can only provide the size of exciting force, however the result calculated often exists by the way of calculating
Biggish error, and whether can not verify exciting force load accurate.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Utility model content
The purpose of the application is to provide a kind of full stator casing exciting force dynamic calibration apparatus, to solve prior art center
The test of exciting force is only passed through and is calculated by, this is detected and is verified without device.
The technical solution of the application is:
A kind of full stator casing exciting force dynamic calibration apparatus, comprising:
Cylindrical outer cover, axial one end end face closing, and the logical of an axial direction is offered on the end face shaft core position
Hole radially offers 4 first through hole, week of 4 first through hole along the outer cover on the barrel of the outer cover
To being uniformly distributed；
Cylindrical fixation end cap, axial one end end face closing, the other end is opening, the opening court of the fixed end cap
It to the first through hole and is fixedly and coaxially connected on the casing outer wall at the first through hole, is set in the fixed end cap
It is equipped with the first thrust oscillating bearing；
Stator annular in shape is co-axially located in the outer cover, offered on the outer ring surface of the stator with it is described solid
The compatible groove of fixed end lid quantity and position is provided with a second thrust oscillating bearing in each groove, described quiet
First thrust that the second thrust oscillating bearing is covered by the fixing end of connection component and respective side each of on son
Oscillating bearing connection, and foil gauge is pasted on the connection component；
Rotor, uniformly offers multiple axial threaded holes in circumferential direction, and the threaded hole is used to mounting screw, and described turn
Son is installed on the inner ring of the stator by the coaxial bearing that axial ends is installed, the rotor towards the outer cover through-hole one
Side is attached across the electric machine main shaft of the through-hole.
According at least one embodiment of the application, the fixed end cap is bolt-connected on the outer cover.
According at least one embodiment of the application, it is bolted to connection square plate on the stator groove, institute
Square plate is stated for the second thrust oscillating bearing to be limited in the stator groove.
According at least one embodiment of the application, the rotor passes through electric machine main shaft described in flanged joint.
According at least one embodiment of the application, the rotor is connected by key the flange.
According at least one embodiment of the application, the closed end of the outer cover is coaxially connected by bolt with the cylinder
It connects.
According at least one embodiment of the application, the connection component includes described in two screw rods and connection two
The group section of screw rod, the foil gauge are attached on one of them described screw rod, two screw rods respectively with second thrust
Oscillating bearing and the first thrust oscillating bearing connection.
According at least one embodiment of the application, 12 threaded holes are uniformly offered in the circumferential direction of the rotor.
A kind of static demarcating device, it is described quiet for carrying out the calibration of strain value and power to the screw rod for having pasted foil gauge
Too caliberating device includes that described screw rod one end for having pasted foil gauge is connect with the first thrust oscillating bearing, described to have pasted strain
The other end of the screw rod of piece is connect with force snesor, and the force snesor is also connected with driving device.
According at least one embodiment of the application, driving device uses hydraulic cylinder or cylinder.
At least there are following advantageous effects in application:
Full stator casing exciting force dynamic calibration apparatus provided by the present application, can obtain directly detecting electro spindle exciting
The actual value of power, relative to theoretical calculating, the numerical value obtained is more accurate.
Detailed description of the invention
Fig. 1 is that the sectional view of the full stator casing exciting force dynamic calibration apparatus left view of the application is set；
Fig. 2 is the sectional view of the full stator casing exciting force dynamic calibration apparatus main view of the application；
Fig. 3 is the structure chart of the static demarcating device in the embodiment of the present application.
Wherein:
1- fixes end cap, 2- outer cover, 3- stator, 4- screw rod, 5- group section, 6- force snesor, 7- the second thrust joint shaft
It holds, 8- the first thrust oscillating bearing, 9- driving device, 10- flange, 11- cylinder, 12- square plate, 13- foil gauge, 14- rotor,
15- bearing, 16- key.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
The application is described in further details below with reference to Fig. 1 to Fig. 3.
As shown in Figures 1 and 2, provided by the present application is a kind of full stator casing exciting force dynamic calibration apparatus, comprising:
Cylindrical outer cover 2, axial one end end face are closed and offer the logical of an axial direction on the shaft core position of end face
Hole radially offers 4 first through hole on the barrel of outer cover 2, and 4 first through hole are uniformly distributed along the circumferential direction of outer cover 2；
Cylindrical fixation end cap 1, axial one end end face closing, the other end is opening, the opening direction of fixed end cap 1
In first through hole and 2 outer wall of outer cover being fixedly and coaxially connected at first through hole, the first thrust joint is provided in fixed end cap 1
Bearing 8；
Stator 3 annular in shape, is co-axially located in outer cover 2, offers on the outer ring surface of stator 3 and the fixed number of end cap 1
Groove compatible with position is measured, a second thrust oscillating bearing 7 is provided in each groove, second each of on stator 3
Thrust oscillating bearing 7 is connected by a first thrust oscillating bearing 8 on connection component and the fixation end cap 1 of respective side, and
Foil gauge 13 and force snesor 6 are provided on connection component；
Rotor 14 uniformly offers multiple axial threaded holes in circumferential direction, in the present embodiment, offers 12 screw threads
Hole carries out mounting screw according to demand, and rotor 14 is coaxially installed on the inner ring of stator 3 by the bearing 15 that axial ends is installed,
Rotor 14 is attached across the electric machine main shaft of through-hole towards the side of 2 through-hole of outer cover；
In the present embodiment, by the rotation of the rotate driving rotor 14 of electric machine main shaft, the rotation of rotor 14 can generate from
Mental and physical efforts, by fit on screw in the threaded hole on rotor 14, will generate different exciting forces under same revolving speed,
It directly acts on stator 3, on being transmitted to connection component, generates a certain amount of displacement and the direct body on the foil gauge 13
Reveal and, by can largely be strained to motor speed difference and to the quantity of mounting screw in threaded hole
Value.
In some alternative embodiments, fixed end cap 1 is bolt-connected on outer cover 2, in this embodiment, is led to
The threaded connection of bolt is crossed so that fixed end cap 1 is detachable on outer cover 2, it is to be understood that the fixed end cap 1 may be used also
It is fixed on the outer cover 2 with the connection type by riveting, welding.
In some alternative embodiments, it has been bolted to connection square plate 12 on 3 groove of stator, square plate 12 is used for
Second thrust oscillating bearing 7 is limited in 3 groove of stator, in this embodiment, the installation of square plate 12 is so that the second thrust is closed
Bearings 7 can only generate the rotation of certain angle in groove, avoid because rotor 14 generates the variation of displacement in rotation,
And cause the displacement of the second thrust oscillating bearing 7 abjection groove or the generation of the second thrust oscillating bearing 7 radially to stickup
The effect of the screw rod 4 of foil gauge is failed.
In some alternative embodiments, rotor 14 connects electric machine main shaft, in this embodiment, flange by flange 10
10 link together electric machine main shaft and rotor 14 as a connector, guarantee driving of the electric machine main shaft to rotor 14, rotor
Limit is attached by key between 14 and flange 10.
In some alternative embodiments, the closed end of outer cover 2 is bolted to connection cylinder 11, cylinder 11 and logical
Hole is coaxial, ensure that the coaxial of electric machine main shaft and the rotor, while motor is installed in the cylinder.
In some alternative embodiments, connection component includes two screw rods 4 and the group section for connecting two screw rods 4
5, two screw rods 4 are connect with the second thrust oscillating bearing 7 and the first thrust oscillating bearing 8 respectively, and foil gauge 13 is attached to wherein
It is in this embodiment, more convenient to disassemble the screw rod 4 for having pasted foil gauge on one screw rod 4.
As shown in figure 3, a kind of static demarcating device provided by the present application, for answering the screw rod for having pasted foil gauge
The calibration of variate and power, screw rod one end including having pasted foil gauge are connect with the first thrust oscillating bearing 8, have pasted foil gauge
The other end of screw rod connect with force snesor 6, force snesor is also connected with driving device 9, thrust oscillating bearing.
In some alternative embodiments, the driving device 9 can use hydraulic cylinder or cylinder, can be realized reciprocal
The movement of straight line, preferred in this embodiment is hydraulic cylinder.
In the present embodiment, static demarcating unit simulation swashs about the screw rod 4 for having pasted foil gauge in full stator casing
Force-bearing situation in vibration power dynamic calibration apparatus, the identical screw rod for having pasted foil gauge is under the driving of driving device 9
Certain strain value can be generated, when strain value at this time and the strain generated in full stator casing exciting force dynamic calibration apparatus
When being worth consistent, it is the relationship that may know that about strain value and power by force snesor, is realizing correspondence by largely testing
The calibration result of variate and power can finally obtain electric machine main shaft in rotation, exciting force caused by unbalance mass, it is big
It is small.
Full stator casing exciting force dynamic calibration apparatus provided by the present application, can obtain directly detecting electro spindle exciting
The actual value of power, relative to theoretical calculating, the numerical value obtained is more accurate.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (8)
1. a kind of full stator casing exciting force dynamic calibration apparatus characterized by comprising
Cylindrical outer cover (2), axial one end end face closing, and the logical of an axial direction is offered on the end face shaft core position
Hole radially offers 4 first through hole on the barrel of the outer cover (2), and 4 first through hole are along the outer cover
(2) circumferential direction is uniformly distributed；
Cylindrical fixation end cap (1), axial one end end face closing, the other end is opening, the opening of the fixed end cap (1)
Towards in the first through hole and the outer cover (2) outer wall for being fixedly and coaxially connected at the first through hole, the fixing end
The first thrust oscillating bearing (8) is provided in lid (1)；
Stator (3) annular in shape is co-axially located in the outer cover (2), is offered on the outer ring surface of the stator (3) and institute
The compatible groove of fixed end cap (1) quantity and position is stated, a second thrust oscillating bearing is provided in each groove
(7), the second thrust oscillating bearing (7) on the stator (3) passes through on the fixed end cap (1) of connection component and respective side
The connection of the first thrust oscillating bearing (8), and foil gauge (13) are pasted on the connection component；
Rotor (14), uniformly offers multiple axial threaded holes in circumferential direction, and the threaded hole is used to mounting screw, and described turn
The bearing (15) that sub (14) are installed by axial ends is coaxially mounted in the inner ring of the stator (3), rotor (14) face
The electric machine main shaft of the through-hole is attached across to the side of the outer cover (2) through-hole.
2. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the fixed end cap
(1) it is bolt-connected on the outer cover (2).
3. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the stator (3)
It has been bolted to connection on groove square plate (12), the square plate (12) is used to limit the second thrust oscillating bearing (7)
System is in the stator (3) groove.
4. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the rotor (14)
The electric machine main shaft is connected by flange (10).
5. full stator casing exciting force dynamic calibration apparatus according to claim 4, which is characterized in that the rotor (14)
It is connect by key (16) with the flange (10).
6. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the outer cover (2)
Closed end it is coaxially connected by bolt and cylinder (11), the cylinder (11) is interior to be provided with motor.
7. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the connection component
Group section (5) including two screw rods (4) of two screw rods (4) and connection, the foil gauge (13) are attached to one of them
On the screw rod (4), two screw rods (4) are closed with the second thrust oscillating bearing (7) and first thrust respectively
Bearings (8) connection.
8. full stator casing exciting force dynamic calibration apparatus according to claim 1, which is characterized in that the rotor (14)
Circumferential direction on uniformly offer 12 threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780359.5U CN208887809U (en) | 2018-10-31 | 2018-10-31 | A kind of full stator casing exciting force dynamic calibration apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780359.5U CN208887809U (en) | 2018-10-31 | 2018-10-31 | A kind of full stator casing exciting force dynamic calibration apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887809U true CN208887809U (en) | 2019-05-21 |
Family
ID=66517501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821780359.5U Active CN208887809U (en) | 2018-10-31 | 2018-10-31 | A kind of full stator casing exciting force dynamic calibration apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN208887809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469366A (en) * | 2019-07-31 | 2019-11-19 | 中国航发沈阳发动机研究所 | A kind of device balanced for low-pressure turbine with stator |
-
2018
- 2018-10-31 CN CN201821780359.5U patent/CN208887809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469366A (en) * | 2019-07-31 | 2019-11-19 | 中国航发沈阳发动机研究所 | A kind of device balanced for low-pressure turbine with stator |
| CN110469366B (en) * | 2019-07-31 | 2022-03-04 | 中国航发沈阳发动机研究所 | Device for balancing stator of low-pressure turbine |
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