CN107588893A - For placing the soft support dynamic balance testing device of rotor vertically - Google Patents
For placing the soft support dynamic balance testing device of rotor vertically Download PDFInfo
- Publication number
- CN107588893A CN107588893A CN201710874976.5A CN201710874976A CN107588893A CN 107588893 A CN107588893 A CN 107588893A CN 201710874976 A CN201710874976 A CN 201710874976A CN 107588893 A CN107588893 A CN 107588893A
- Authority
- CN
- China
- Prior art keywords
- floating block
- rotor
- floating
- block
- vibrating sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Testing Of Balance (AREA)
Abstract
The invention discloses a kind of soft support dynamic balance testing device for being used to place rotor vertically.Floating block component and vibration detection component including bottom plate and on bottom plate, floating block component connects with rotor, vibration detection component includes vibrating sensor support, crossbearer, auxiliary stand and vibrating sensor fixture block and vibrating sensor, the respective silk that shakes of two vibrating sensors and both passes through the floating block rear end face that vibrating sensor support is connected to floating block component；Floating block component includes floating platform column, floating block, spring base, steel wire tightrope, adjusting nut, rotor supports block, balancing weight and rotor, and floating platform column one side is fixed in floating block side by four spring bases of corner, and floating block is by steel wire tightrope hanging under crossbearer；Balancing weight is fixed on floating block rear end face.The present invention is simple in construction, offsets gravity by steel wire tightrope, solves influence of the gravity to floating platform.Simultaneously because the physical characteristic of steel wire tightrope, this structure does not introduce more interference to dynamic balancing measurement.
Description
Technical field
The present invention relates to a kind of soft support dynamic balancing measurement structure for the rotor that can be used for measurement to place vertically, especially relate to
A kind of and soft support dynamic balancing measurement structure for turbocharger turbine/dynamic balance of impeller air-flotation type test machine.
Background technology
With the development of domestic automobile industry, turbocharger improves motivation dynamic characteristics by it, improves fuel-economy
Property and reduce the combination property advantage such as waste gas discharge index, it is increasingly widespread in internal combustion engine industry.Turbine/vane rotor is that turbine increases
The vital part of depressor, its working speed are generally up to tens thousand of turns per minute, or even twenties0000 turns.Due to turbine/impeller by
Material, manufacturing process and the influence of assembling, there is initial unbalance, and for turbine/vane rotor of high speed operation, i.e.,
It is small amount of unbalance to make, it is also possible to causes larger vibration and noise, accelerates the abrasion of bearing and obturator, reduces and increase
The efficiency of depressor, the service behaviour and precision of equipment, reduction of service life are influenceed, so that the quality of product is influenceed, when serious
Turbine can be caused to be collided with housing, cause the fracture and damage of machine rotary part.Can in order to ensure turbocharger operation
By property, it is necessary to enter action balance to turbine/vane rotor.And the design feature and working condition of turbine/vane rotor are also determined
Higher dynamic balance accuracy must be possessed by having determined it.
Dynamic balancing detection device for turbine/vane rotor can be divided into circle belt test machine and air-flotation type test machine.Circle
Belt test machine cost is relatively low, but due to being driven by belt, inevitably introduces external interference, its accuracy of detection is not high.
For increasingly pursuing the trend of miniaturization turbocharger and more emphasizing the stability of product, circle belt test machine is now located
In the situation being gradually eliminated.Instead air-flotation type test machine more clean, precision it is higher.
Air-flotation type test machine is that turbine/vane rotor is suspended in air-bearing, is then made by gas-powered blade
Rotor stable rotation, so as to carry out dynamically balanced measurement.And the form of air-bearing determines that turbine/vane rotor needs vertically
State carries out dynamic balancing measurement, simultaneously because high-precision requirement, soft supporting construction is more suitable for.But because vertical state needs
Consider the factor of gravity, how to design spring base and floating block makes what vibration signal was more beneficial for correcting plane to be separated into a difficulty
Point.
The content of the invention
While it is an object of the invention to provide gravity factor is eliminated during turbocharger turbine/dynamic balance of impeller test
The soft support test structure of other interference is not introduced.
The technical solution adopted by the present invention is：
The present invention includes bottom plate and floating block component and vibration detection component on bottom plate, and floating block component and rotor connect
Connecing, vibration detection component is connected to floating block component, and the vibration for driving floating block component is rotated by rotor, and with vibration detection component
The vibration of floating block component is detected, so as to realize the vertical soft support dynamic balancing measurement for placing rotor.
The vibration detection component includes vibrating sensor support, crossbearer, auxiliary stand and vibrating sensor fixture block and shaken
Dynamic sensor, vibrating sensor support and auxiliary stand are symmetrically fixedly mounted on the both sides on bottom plate, and crossbearer is fixed on vibration
Between at the top of sensor stand and auxiliary stand, crossbearer is parallel with backplate surface；Two vibrating sensors are arranged on vibrating sensing
Arrange on device support and up and down, the respective silk that shakes of two vibrating sensors both passes through vibrating sensor support and is connected to described float
The floating block rear end face of block assembly；
The floating block component includes floating platform column, floating block, spring base, steel wire tightrope, adjusting nut, rotor supports block and counterweight
Block, floating platform column are fixed on bottom plate, and floating platform column one side, rotor installation are fixed in floating block side by four spring bases of corner
In rotor supports block, rotor supports block is fixedly connected with floating block front end face；Described steel wire tightrope upper end is arranged in crossbearer
Between, lower end is through being connected to the geometric centroid position of floating block after the central through hole of crossbearer and floating block inner passage so that floating block leads to
Steel wire tightrope hanging is crossed under crossbearer；
Described balancing weight is fixed on floating block rear end face, and causes because floating block, rotor supports block, balancing weight, vibration pass
The overall torsional natural frequency of sensor fixture block and rotor and produce the geometric centroid position that the centre of twist to reverse the trend is located at floating block
Put.
Described steel wire tightrope upper end band external screw thread, through horizontal stroke after four facing cut flat shape squarely structures around the end of upper end
Frame center spacing square hole screw on adjusting nut, by rotating adjusting nut through steel wire tightrope come adjusting float arrangement height,
So that four spring base levels, finally fix adjusting nut.
Modification increase：Four described spring bases will be installed vertically on floating block.
The upper and lower part of described floating block rear end face is respectively fixed with vibrating sensor fixture block, and two vibrating sensors shake
Silk is connected respectively on two vibrating sensor fixture blocks.
Described spring base need to ensure certain toughness by modifier treatment, prevent deformation during installation.
The described center of four spring bases installation and the center superposition of floating block.
Described balancing weight come designing quality, makes because whole according to the oeverall quality difference of surveyed rotor and rotor supports block
The torsional natural frequency of floating platform and produce the geometric centroid position that the centre of twist to reverse the trend is located at floating block.Whole floating platform includes
The whole spare and accessory parts and floating block installed on floating block in itself, but do not include spring base and steel wire tightrope.
Described floating block will be integrally machined with fixing the hole of spring base on floating platform column, reduce caused by processing technology spring base from
Band internal stress.
The invention has the advantages that：
The present invention can solve gravity factor to the influence for the soft support test structure of rotor being disposed vertically, and due to steel wire
The physical characteristic of tightrope, more influences are not introduced into, more interference are not introduced to dynamic balancing measurement.
The present invention is simple in construction and compact, does not increase the multiplication factor of vibration detection.And the design solution for passing through balancing weight
Determine the inaccuracy of existing dissymmetrical structure measurement, improved the precision and grade of measurement.
The present invention designs from processing technology and the angle of assembly technology, reduces shadow of the links for measurement accuracy
Ring.
Brief description of the drawings
Fig. 1 is the overall schematic of the present invention.
Fig. 2 is the floating block connection diagram of the present invention.
Fig. 3 is the installation connection diagram of balancing weight of the present invention.
Fig. 4 is the schematic diagram of floating platform torsional natural frequency analysis.
The oscillogram of side when Fig. 5 is whole floating platform test.
In figure：01- bottom plates, 02- floating platform columns, 03- floating blocks, 04- spring bases, 05- steel wire tightropes, 06- adjusting nuts, 07-
Vibrating sensor support, 08- auxiliary stands, 09- crossbearers, 10- rotor supports blocks, 11- balancing weights, 12- vibrating sensor fixture blocks,
13- vibrating sensors, 14- rotors.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, present invention specific implementation includes bottom plate 01 and floating block component on bottom plate 01 and shaken
Dynamic detection components, floating block component and rotor 14 connect, and vibration detection component is connected to floating block component, are rotated and driven by rotor 14
The vibration of floating block component, and with the vibration of vibration detection component detection floating block component, so as to realize the vertical soft branch for placing rotor
Racking balance test.
Passed as shown in figure 1, vibration detection component includes vibrating sensor support 07, crossbearer 09, auxiliary stand 08 and vibration
Sensor fixture block 12 and vibrating sensor 13, vibrating sensor support 07 and auxiliary stand 08 are symmetrically fixedly mounted on bottom plate 01
Both sides, crossbearer 09 is fixed between vibrating sensor support 07 and the top of auxiliary stand 08, and crossbearer 09 is put down with the surface of bottom plate 01
OK；Two vibrating sensors 13 are arranged on vibrating sensor support 07 and arranged up and down, and two vibrating sensors 13 are respective
The silk that shakes both pass through the rear end face of floating block 03 that vibrating sensor support 07 is connected to floating block component；The top of the rear end face of floating block 03 and
Bottom is respectively fixed with vibrating sensor fixture block 12, and the silk that shakes of two vibrating sensors 13 is connected respectively to two vibrating sensor folders
On block 12 so that vibrating sensor 13 is connected by vibrating sensor fixture block 12 with floating block 03.
As shown in Fig. 2 floating block component include floating platform column 02, floating block 03, spring base 04, steel wire tightrope 05, adjusting nut 06,
Rotor supports block 10, balancing weight 11 and rotor 14, floating platform column 02 is fixed on bottom plate 01, and is located at the He of vibrating sensor support 07
The side of floating platform column 02 is fixed in side between auxiliary stand 08, the side of floating block 03 by four horizontal spring bases 04 of corner
Face, floating platform column 02 are fixed on bottom plate 01, and rotor 14 is arranged in rotor supports block 10, before rotor supports block 10 and floating block 03
End face is fixedly connected.
As shown in Fig. 2 the upper end of steel wire tightrope 05 is arranged among crossbearer 09, lower end passes through the central through hole of crossbearer 09 and floated
The geometric centroid position of floating block 03 is connected to behind the inner passage of block 03 so that floating block 03 is by the hanging of steel wire tightrope 05 in crossbearer 09
Under, the spring base deformation caused by gravity is offset by pulling force caused by the suspension of steel wire tightrope.Specifically, steel wire tightrope 05
Upper end band external screw thread, the spacing square hole around the end of upper end after four facing cut flat shape squarely structures through the center of crossbearer 09 screw on
Adjusting nut 06, by rotating adjusting nut 06 through steel wire tightrope 05 come adjusting float 03 arrangement height so that four springs
Bar 04 is horizontal, finally fixes adjusting nut 06.The facing cut of 05 upper end end perimeter of steel wire tightrope four is flat to be so that it can be limited in
In the through hole of crossbearer, make regulation screw thread when rotated, steel wire tightrope itself does not produce internal stress.
The rotor that rotor supports block in Fig. 1 is only used for schematically illustrate, different vertical placement need to design corresponding turn
Sub- support block.
As shown in figure 3, the rear end face of floating block 03 is fixed with balancing weight 11.
Floating platform torsional natural frequency is analyzed as shown in figure 4, need to be by floating block 03, rotor supports block 10, counterweight when making a concrete analysis of
Block 11, vibrating sensor fixture block 12 and rotor 14 are analyzed as overall.Different rotors 14 and rotor supports block 10 need to design
Different balancing weight 11, so that producing the centre of twist to reverse the trend because of the torsional natural frequency of whole floating platform is located at floating block
03 geometric centroid position.It correcting plane could preferably be separated based on this, be aggravated beneficial to follow-up progress rotor 14 or duplicate removal is come
Do dynamic balancing.
The waveform of one of vibrating sensor as shown in figure 5, need to vibration signal before this during whole floating platform test
Carry out certain filtering process.
The specific implementation course of work of the present invention：
The present invention after outside drive mechanism driving rotor 14 rotates, due to rotor 14 be connected to through rotor supports block 10 it is floating
Block 03, the amount of unbalance of rotor 14 drive whole floating platform (including floating block 03, rotor supports block 10, balancing weight 11, vibrating sensor
Fixture block 12 and rotor 14) vibration so that the horizontal left and right of floating block 03 translates or reversed around the position of form center of floating block 03 back and forth, so as to shake
Dynamic sensor 13 detects vibration signal, is separated subsequently through signal transacting and correcting plane, and the amount of unbalance of rotor is calculated.
Above-mentioned embodiment is used for illustrating the present invention, rather than limits the invention, the present invention's
In spirit and scope of the claims, to any modifications and changes of the invention made, protection model of the invention is both fallen within
Enclose.
Claims (5)
- A kind of 1. soft support dynamic balance testing device for being used to place rotor vertically, it is characterised in that：Floating block component and vibration detection component including bottom plate (01) and on bottom plate (01), floating block component and rotor (14) Connection, vibration detection component are connected to floating block component, the vibration for driving floating block component are rotated by rotor (14), and examined with vibration The vibration of component detection floating block component is surveyed, so as to realize the vertical soft support dynamic balancing measurement for placing rotor.
- 2. a kind of soft support dynamic balancing measurement structure of rotor that can be used for measurement to place vertically according to claim 1, It is characterized in that：The vibration detection component includes vibrating sensor support (07), crossbearer (09), auxiliary stand (08) and vibrating sensor Fixture block (12) and vibrating sensor (13), vibrating sensor support (07) and auxiliary stand (08) are symmetrically fixedly mounted on bottom plate (01) both sides on, between crossbearer (09) is fixed at the top of vibrating sensor support (07) and auxiliary stand (08), crossbearer (09) It is parallel with bottom plate (01) surface；Two vibrating sensors (13) are arranged on vibrating sensor support (07) and arranged up and down, Two respective silks that shake of vibrating sensor (13) both pass through the floating block that vibrating sensor support (07) is connected to the floating block component (03) rear end face；The floating block component include floating platform column (02), floating block (03), spring base (04), steel wire tightrope (05), adjusting nut (06), Rotor supports block (10) and balancing weight (11), floating platform column (02) are fixed on bottom plate (01), and floating block (03) side passes through corner Four spring bases (04) are fixed on floating platform column (02) one side, and rotor (14) is arranged in rotor supports block (10), rotor supports Block (10) is fixedly connected with floating block (03) front end face；Described steel wire tightrope (05) upper end is arranged among crossbearer (09), lower end The geometric centroid position of floating block (03) is connected to after through the central through hole of crossbearer (09) and floating block (03) inner passage so that floating Block (03) is by steel wire tightrope (05) hanging under crossbearer (09)；Described balancing weight (11) is fixed on floating block (03) rear end face, and causes because of floating block (03), rotor supports block (10), matches somebody with somebody Pouring weight (11), vibrating sensor fixture block (12) and rotor (14) overall torsional natural frequency and produce the centre of twist to reverse the trend Positioned at the geometric centroid position of floating block (03).
- 3. a kind of soft support dynamic balancing measurement structure of rotor that can be used for measurement to place vertically according to claim 2, It is characterized in that：Described steel wire tightrope (05) upper end band external screw thread, four facing cut flat shape squarely structures around the end of upper end The spacing square hole through crossbearer (09) center screws on adjusting nut (06) afterwards, by rotating adjusting nut (06) through steel wire tightrope (05) carry out the arrangement height of adjusting float (03), so that four spring bases (04) are horizontal, finally fix adjusting nut (06).
- 4. a kind of soft support dynamic balancing measurement structure of rotor that can be used for measurement to place vertically according to claim 2, It is characterized in that：Four described spring bases (04) will be installed vertically on floating block (03).
- 5. a kind of soft support dynamic balancing measurement structure of rotor that can be used for measurement to place vertically according to claim 2, It is characterized in that：The upper and lower part of described floating block (03) rear end face is respectively fixed with vibrating sensor fixture block (12), and two are shaken The silk that shakes of dynamic sensor (13) is connected respectively on two vibrating sensor fixture blocks (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874976.5A CN107588893B (en) | 2017-09-25 | 2017-09-25 | Soft support dynamic balance testing device for vertically placing rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874976.5A CN107588893B (en) | 2017-09-25 | 2017-09-25 | Soft support dynamic balance testing device for vertically placing rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107588893A true CN107588893A (en) | 2018-01-16 |
| CN107588893B CN107588893B (en) | 2023-07-14 |
Family
ID=61048287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710874976.5A Active CN107588893B (en) | 2017-09-25 | 2017-09-25 | Soft support dynamic balance testing device for vertically placing rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588893B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715857A (en) * | 2004-08-12 | 2006-01-04 | 浙江大学 | Dynamic balance measuring device |
| JP2011085513A (en) * | 2009-10-16 | 2011-04-28 | Nagahama Seisakusho Ltd | Dynamic balancing machine and rotor attachment |
| CN201926542U (en) * | 2010-12-31 | 2011-08-10 | 攀钢集团钢铁钒钛股份有限公司 | On-line dynamic balance device and on-line dynamic balance system |
| CN202599608U (en) * | 2012-05-07 | 2012-12-12 | 金华市盛和柴油机制造有限公司 | Rigid rotor clamp of full automatic balancing machine |
| CN203323966U (en) * | 2013-07-04 | 2013-12-04 | 河南科技大学 | Dynamic-balance measuring swing frame for miniature rotor |
| CN104964793A (en) * | 2015-07-24 | 2015-10-07 | 杭州集智机电股份有限公司 | Rotating eccentric automatic measurement device for single-side vertical-type balance testing machine |
| CN105157920A (en) * | 2015-09-01 | 2015-12-16 | 河南科技大学 | Testing oscillating bracket for dynamic balancing of super-miniature rotor |
| CN207395959U (en) * | 2017-09-25 | 2018-05-22 | 杭州集智机电股份有限公司 | A kind of soft support dynamic balance testing device for placement rotor vertically |
-
2017
- 2017-09-25 CN CN201710874976.5A patent/CN107588893B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715857A (en) * | 2004-08-12 | 2006-01-04 | 浙江大学 | Dynamic balance measuring device |
| JP2011085513A (en) * | 2009-10-16 | 2011-04-28 | Nagahama Seisakusho Ltd | Dynamic balancing machine and rotor attachment |
| CN201926542U (en) * | 2010-12-31 | 2011-08-10 | 攀钢集团钢铁钒钛股份有限公司 | On-line dynamic balance device and on-line dynamic balance system |
| CN202599608U (en) * | 2012-05-07 | 2012-12-12 | 金华市盛和柴油机制造有限公司 | Rigid rotor clamp of full automatic balancing machine |
| CN203323966U (en) * | 2013-07-04 | 2013-12-04 | 河南科技大学 | Dynamic-balance measuring swing frame for miniature rotor |
| CN104964793A (en) * | 2015-07-24 | 2015-10-07 | 杭州集智机电股份有限公司 | Rotating eccentric automatic measurement device for single-side vertical-type balance testing machine |
| CN105157920A (en) * | 2015-09-01 | 2015-12-16 | 河南科技大学 | Testing oscillating bracket for dynamic balancing of super-miniature rotor |
| CN207395959U (en) * | 2017-09-25 | 2018-05-22 | 杭州集智机电股份有限公司 | A kind of soft support dynamic balance testing device for placement rotor vertically |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107588893B (en) | 2023-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203011629U (en) | Dynamic balancing machine calibration system | |
| CN201514306U (en) | Dynamic balance testing device | |
| CN107206399A (en) | Centrifuge and for detecting the unbalanced method of centrifuge | |
| CN106768749A (en) | A kind of main shaft bearing joint portion device for testing dynamic stiffness | |
| CN206410824U (en) | A kind of hard support dynamic balancing machine | |
| CN104870779A (en) | Compressor wheel and device for detecting unbalance in compressor assembly | |
| CN102095556B (en) | Static balance, couple balance and dynamic balance measuring device with high separation ratio | |
| CN207395959U (en) | A kind of soft support dynamic balance testing device for placement rotor vertically | |
| CN106323548A (en) | Double vibration sensor-based rotor imbalance vibration response identification method | |
| CN104964793B (en) | Rotating eccentricity self-operated measuring unit for single-face vertical-type balance testing machine | |
| CN206399594U (en) | A kind of soft micro- shape dynamic balancing machine of support | |
| CN107588893A (en) | For placing the soft support dynamic balance testing device of rotor vertically | |
| CN101520963B (en) | Comprehensive experimental facility of single-disk rotor | |
| CN201510945U (en) | Centrifuge imbalance protection device of angle deviation sensor | |
| CN209264465U (en) | Pendulum machine is used in a kind of detection of refuse bag | |
| CN201501530U (en) | Suspended-type static balancing machine for large-scale marine propeller | |
| JPH01200002A (en) | Balance confirming device for turborotating machine | |
| CN106932142A (en) | Detect the balancing machine and the method using unbalance mass, in the dynamic and static balance of balance machine testing of bike wheel | |
| CN205300850U (en) | Vertical dynamic balancing machine | |
| CN101642777A (en) | Technological method for solving on-site dynamic balance of wire-feeding machine by using Proof dynamic balancing instrument | |
| CN212404600U (en) | Online balance correcting device of stranding machine | |
| CN209961400U (en) | Large-scale reel static balance test device with balance disc | |
| CN103527482B (en) | Rotary compressor | |
| CN207147708U (en) | A kind of flabellum single-side dynamic balance machine | |
| CN203688157U (en) | Motor balance tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |