CN108507775A - A kind of experimental rig of model rotor impact-rub malfunction - Google Patents
A kind of experimental rig of model rotor impact-rub malfunction Download PDFInfo
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- CN108507775A CN108507775A CN201810379832.7A CN201810379832A CN108507775A CN 108507775 A CN108507775 A CN 108507775A CN 201810379832 A CN201810379832 A CN 201810379832A CN 108507775 A CN108507775 A CN 108507775A
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- 230000007257 malfunction Effects 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- G01M13/00—Testing of machine parts
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of experimental rig of model rotor impact-rub malfunction, belong to rotor rubbing experimental technique field, the present invention faint to serious impact-rub malfunction and is unable to simulation impact-rub malfunction to solve the problem of that existing experimental provision cannot adjust to touch contact depth of the contact that rubs with rotor and cannot simulate.It motor and touches the device that rubs and is each attached on workbench, and motor is located along the same line with the center line for touching the device that rubs, the output end of motor is connected by shaft coupling with one end of shaft, the other end of shaft sequentially passes through first bearing seat, touches the device that rubs, disk and second bearing seat, and first bearing seat and second bearing seat are fixedly mounted on workbench.A kind of experimental rig of model rotor impact-rub malfunction of the present invention can be adjusted by multiple adjusting bolts and touch the contact that rubs, to accurately simulate the Rotor Rubbing Fault of different depth, the contact of more partial faces.
Description
Technical field
The present invention relates to a kind of experimental rigs, and in particular to a kind of experimental rig of model rotor impact-rub malfunction belongs to and turns
Son touches experimental technique field of rubbing.
Background technology
In Practical Project, the rotating machineries such as gas turbine, aero-engine, steam turbine, rotor rubbing is a kind of common
Typical fault, entire machine can be caused there are larger vibration, reduce its reliability and stability, cause huge economic damage
It loses.Therefore investigation of rotor rubbing faults experiment simulator is established to study the inherent mechanism of rotor typical case's impact-rub malfunction,
With Important Project practical significance and directive function, and existing experimental rig can not achieve partial face contact, have with actual conditions
There is certain difference, the influence to test data is very big, while can not achieve from single-contact to multi-surface contact, cannot provide
Whole impact-rub malfunction simulation.
Invention content
The object of the present invention is to provide a kind of experimental rigs of model rotor impact-rub malfunction, to solve the above technical problems.
A kind of experimental rig of model rotor impact-rub malfunction includes motor, shaft coupling, shaft, first bearing seat, disk,
Two bearing bracket and touch the device that rubs；
It motor and touches the device that rubs and is each attached on workbench, and motor and touch the center line of the device that rubs and be located at same straight line
On, the output end of motor is connected by shaft coupling with one end of shaft, and the other end of shaft sequentially passes through first bearing seat, touches
It rubs device, disk and second bearing seat, first bearing seat and second bearing seat are fixedly mounted on workbench.
Preferably：Touch rub device include touch the holder that rubs, the first adjusting bolt, first touch the contact that rubs, the second adjusting bolt,
Second touches rub contact and fastening bolt；
It touches the holder that rubs to be mounted on workbench by fastening bolt, touches on the both sides side wall for the holder that rubs and be horizontally installed with
First adjusting bolt, the upper end for touching the holder that rubs are equipped with the second adjusting bolt, the end of the first adjusting bolt and the second adjusting bolt
Portion, which is separately installed with first, to be touched the contact and second that rubs and touches the contact that rubs, and first, which touches the contact and second that rubs, touches the contact distribution that rubs
On the outside of shaft.
Preferably：First, which touches the contact and second that rubs, touches the contact that rubs as hard plastic touches the contact that rubs, rubber touches the contact that rubs
Or metal touches the contact that rubs.
Preferably：First touch rub contact and second touch rub contact be segment arc-shaped touch the contact that rubs, touch the contact that rubs
The circle curvature of part is less than the circle curvature of shaft.
The present invention has the following effects that compared with existing product：It can be adjusted by multiple adjusting bolts and touch the contact that rubs, from
And accurately simulate different depth, the Rotor Rubbing Fault that more partial faces contact；Partial face contacts, and is more consistent with actual conditions；
And the device designed can realize more partial face contacts, by adjusting bolt rotary distance, can simulate from slightly to serious event
Barrier, from single-contact to multi-surface contact；Since can manufacture different materials touches the contact that rubs, damaging rotor can be avoided damage to.
In addition, the apparatus structure of design is simple, and it is at low cost, it is easy to process.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the experimental rig of model rotor impact-rub malfunction of the present invention；
Fig. 2 is the structural schematic diagram for touching the device that rubs.
In figure：1- motors, 2- shaft couplings, 3- shafts, 4- first bearing seats, 5- disks, 6- second bearing seats, 7- touch the dress that rubs
It sets, 71- touches the holder that rubs, the first adjusting bolts of 72-, 73- first touch the contact that rubs, the second adjusting bolts of 74-, 75- second and touch and rub
Contact, 76- fastening bolts.
Specific implementation mode
The preferred embodiment of the present invention is elaborated below according to attached drawing.
As depicted in figs. 1 and 2, a kind of experimental rig of model rotor impact-rub malfunction of the present invention includes motor 1, connection
Axis device 2, shaft 3, first bearing seat 4, disk 5, second bearing seat 6 and touch the device 7 that rubs；
Motor 1 and touch the device 7 that rubs and be each attached on workbench, and motor 1 and touch the device 7 that rubs center line be located at it is same
On straight line, the output end of motor 1 is connected by shaft coupling 2 with one end of shaft 3, and the other end of shaft 3 sequentially passes through first
Bearing block 4 touches the device 7 that rubs, disk 5 and second bearing seat 6, and it is flat that first bearing seat 4 and second bearing seat 6 are fixedly mounted on work
On platform.
Further：Touch rub device 7 include touch the holder 71 that rubs, the first adjusting bolt 72, first touch rub contact 73, second tune
Section bolt 74, second touch rub contact 75 and fastening bolt 76；
It touches the holder 71 that rubs to be mounted on workbench by fastening bolt 76, touch horizontal on the both sides side wall for the holder 71 that rubs
First adjusting bolt 72 is installed, the upper end for touching the holder 71 that rubs is equipped with the second adjusting bolt 74, the first adjusting bolt 72 and
The end of two adjusting bolts 74, which is separately installed with first, to be touched the contact 73 and second that rubs and touches the contact 75 that rubs, and first touches the contact that rubs
73 and second touch the contact 75 that rubs and are distributed in the outside of shaft 3.
Further：First, which touches the contact 73 and second that rubs, touches the contact 75 that rubs as hard plastic touches the contact that rubs, rubber is touched to rub and be connect
Contact element or metal touch the contact that rubs.
Further：First touch rub contact 73 and second touch rub contact 75 be segment arc-shaped touch the contact that rubs, touch and rub
The circle curvature of contact is less than the circle curvature of shaft 3.
Operation principle：Motor drives shaft, disk to carry out high-speed rotation as driving device, by shaft coupling；Its transfer
Axis and disk are respectively intended to model rotor and rotor disk, touch the holder that rubs and are fixed by prohibiting fixing bolt, touch rub contact and tune
Save bolt consolidation；Three adjusting bolts are threadedly coupled with the holder that rubs is touched, and touching to rub and contacting for rub contact and rotor is touched for adjusting
Depth；The contact that rubs wherein is touched according to the working condition tests demand of rotor, different materials (hard plastic, rubber, metal) can be chosen, can be kept away
Exempt from damaging rotor；It is segment circular arc to touch contact shape of rubbing, and in order to which partial face contact preferably occurs, the circle for touching the contact that rubs is bent
Rate should be less than rotor, three adjusting bolts and touches the central axis of the contact that rubs and should intersect with rotor center.
Under the testing stand original state, touch the contact that rubs has certain distance with rotor, is not in contact, and turns when needing to simulate
When sub- impact-rub malfunction, contact depth of the contact that rubs with rotor is touched by three adjusting bolt adjustings, it is faint to tight for simulating
The impact-rub malfunction of weight.
Present embodiment is only to the exemplary description of this patent does not limit its scope of protection, people in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (4)
1. a kind of experimental rig of model rotor impact-rub malfunction, it is characterised in that：Including motor (1), shaft coupling (2), shaft
(3), first bearing seat (4), disk (5), second bearing seat (6) and the device that rubs (7) is touched；
It the motor (1) and touches the device that rubs (7) and is each attached on workbench, and motor (1) and the center line for touching the device that rubs (7)
Be located along the same line, the output end of motor (1) is connected by shaft coupling (2) with one end of shaft (3), shaft (3) it is another
One end sequentially passes through first bearing seat (4), touches the device that rubs (7), disk (5) and second bearing seat (6), first bearing seat (4) and
Second bearing seat (6) is fixedly mounted on workbench.
2. a kind of experimental rig of model rotor impact-rub malfunction according to claim 1, it is characterised in that：It is described to touch the dress that rubs
It includes touching the holder that rubs (71), the first adjusting bolt (72), first touching the contact that rubs (73), the second adjusting bolt (74), the to set (7)
Two touch the contact that rubs (75) and fastening bolt (76)；
The holder that rubs (71) that touches is mounted on by fastening bolt (76) on workbench, is touched on the both sides side wall of the holder that rubs (71)
It is horizontally installed with the first adjusting bolt (72), the upper end for touching the holder that rubs (71) is equipped with the second adjusting bolt (74), and first adjusts
The end of section bolt (72) and the second adjusting bolt (74), which is separately installed with first and touches the contact that rubs (73) and second, touches the contact that rubs
Part (75), first, which touches the contact that rubs (73) and second, touches the contact that rubs (75) and is distributed on the outside of shaft (3).
3. a kind of experimental rig of model rotor impact-rub malfunction according to claim 2, it is characterised in that：Described first touches
Rub contact (73) and second to touch the contact that rubs (75) be that hard plastic touches the contact that rubs, rubber touches and rubs contact or metal touches the contact that rubs
Part.
4. a kind of experimental rig of model rotor impact-rub malfunction according to claim 2, it is characterised in that：Described first touches
Rub contact (73) and second touch the contact that rubs (75) be segment arc-shaped touch the contact that rubs, the circle curvature for touching the contact that rubs is less than
The circle curvature of shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379832.7A CN108507775B (en) | 2018-04-25 | 2018-04-25 | Test device for simulating rotor rub-impact fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379832.7A CN108507775B (en) | 2018-04-25 | 2018-04-25 | Test device for simulating rotor rub-impact fault |
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| Publication Number | Publication Date |
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| CN108507775A true CN108507775A (en) | 2018-09-07 |
| CN108507775B CN108507775B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379832.7A Active CN108507775B (en) | 2018-04-25 | 2018-04-25 | Test device for simulating rotor rub-impact fault |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141893A (en) * | 2018-09-29 | 2019-01-04 | 天津大学 | Pneumatic birotor-casing multi-function test stand |
| CN109238679A (en) * | 2018-09-29 | 2019-01-18 | 天津大学 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
| CN111638048A (en) * | 2020-05-28 | 2020-09-08 | 扬州大学 | Simulation device for rubbing fault caused by thermal bending of multistage bladed disk rotor |
| CN111965538A (en) * | 2020-07-05 | 2020-11-20 | 武汉科技大学 | Motor fault simulation platform for electric vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843193A (en) * | 1994-07-29 | 1996-02-16 | Toshiba Corp | Rubbing detecting method for rotary machine |
| JP2003195740A (en) * | 2001-12-25 | 2003-07-09 | Toyota Central Res & Dev Lab Inc | Dummy joint structure for collision experiment |
| CN201637560U (en) * | 2009-10-23 | 2010-11-17 | 南京航空航天大学 | Rotor rub-impact experiment device |
| CN102410929A (en) * | 2011-10-28 | 2012-04-11 | 天津大学 | Active-control hydraulic type rub-impact fault detection test apparatus |
| JP2014016269A (en) * | 2012-07-10 | 2014-01-30 | Kyowa Interface Science Co Ltd | Friction testing device |
| CN103759934A (en) * | 2014-01-26 | 2014-04-30 | 清华大学 | Birotor fault simulation experiment device |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
| CN104634526A (en) * | 2015-01-27 | 2015-05-20 | 西安交通大学 | Rotor rub impact fault detection method based on nonlinear compression conversion and rotor rub impact fault detection system based on nonlinear compression conversion |
| CN208012861U (en) * | 2018-04-25 | 2018-10-26 | 哈尔滨电气股份有限公司 | A kind of experimental rig of model rotor impact-rub malfunction |
-
2018
- 2018-04-25 CN CN201810379832.7A patent/CN108507775B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843193A (en) * | 1994-07-29 | 1996-02-16 | Toshiba Corp | Rubbing detecting method for rotary machine |
| JP2003195740A (en) * | 2001-12-25 | 2003-07-09 | Toyota Central Res & Dev Lab Inc | Dummy joint structure for collision experiment |
| CN201637560U (en) * | 2009-10-23 | 2010-11-17 | 南京航空航天大学 | Rotor rub-impact experiment device |
| CN102410929A (en) * | 2011-10-28 | 2012-04-11 | 天津大学 | Active-control hydraulic type rub-impact fault detection test apparatus |
| JP2014016269A (en) * | 2012-07-10 | 2014-01-30 | Kyowa Interface Science Co Ltd | Friction testing device |
| CN103759934A (en) * | 2014-01-26 | 2014-04-30 | 清华大学 | Birotor fault simulation experiment device |
| CN103884501A (en) * | 2014-04-04 | 2014-06-25 | 华北电力大学（保定） | Multifunctional rotor test bench |
| CN104634526A (en) * | 2015-01-27 | 2015-05-20 | 西安交通大学 | Rotor rub impact fault detection method based on nonlinear compression conversion and rotor rub impact fault detection system based on nonlinear compression conversion |
| CN208012861U (en) * | 2018-04-25 | 2018-10-26 | 哈尔滨电气股份有限公司 | A kind of experimental rig of model rotor impact-rub malfunction |
Non-Patent Citations (1)
| Title |
|---|
| 刘桂珍;陈亚哲;刘杨;闻邦椿;: "转子系统碰摩故障的实验研究", 机械与电子, no. 06 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141893A (en) * | 2018-09-29 | 2019-01-04 | 天津大学 | Pneumatic birotor-casing multi-function test stand |
| CN109238679A (en) * | 2018-09-29 | 2019-01-18 | 天津大学 | One kind touches that power of rubbing is measurable pneumatically to touch the device that rubs |
| CN109141893B (en) * | 2018-09-29 | 2020-03-13 | 天津大学 | Pneumatic double-rotor-casing multifunctional test bed |
| CN111638048A (en) * | 2020-05-28 | 2020-09-08 | 扬州大学 | Simulation device for rubbing fault caused by thermal bending of multistage bladed disk rotor |
| CN111638048B (en) * | 2020-05-28 | 2022-01-21 | 扬州大学 | Simulation device for rubbing fault caused by thermal bending of multistage bladed disk rotor |
| CN111965538A (en) * | 2020-07-05 | 2020-11-20 | 武汉科技大学 | Motor fault simulation platform for electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN108507775B (en) | 2024-04-05 |
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