CN103439054A - Blind hole impeller dynamic balancing testing device - Google Patents
Blind hole impeller dynamic balancing testing device Download PDFInfo
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- CN103439054A CN103439054A CN2013103667722A CN201310366772A CN103439054A CN 103439054 A CN103439054 A CN 103439054A CN 2013103667722 A CN2013103667722 A CN 2013103667722A CN 201310366772 A CN201310366772 A CN 201310366772A CN 103439054 A CN103439054 A CN 103439054A
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- mandrel
- blind hole
- testing device
- impeller
- endoporus
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Abstract
A blind hole impeller dynamic balancing testing device comprises a core shaft and a belt pulley, and further comprises a positioning sleeve used for positioning the core shaft and an impeller. According to the blind hole impeller dynamic balancing testing device, the impeller and the core shaft are well positioned through the additionally arranged positioning sleeve. The blind hole impeller dynamic balancing testing device is simple in structure, easy to assemble, convenient to operate and high in testing precision. Meanwhile, the core shaft and the belt pulley are arranged in a split-type mode, machining difficulty is reduced, machining quality is guaranteed, and machining cost is reduced.
Description
Technical field
The present invention relates to a kind of supercharger impeller dynamic balance testing device, particularly a kind of dynamic balance testing device for blind hole impeller.
Background technology
The impeller of supercharger belongs to the core part of supercharger, and during work, its rotating speed tends to reach tens thousand of turning.Therefore, in order to guarantee to operate steadily at work, in the manufacture process of impeller, need carry out dynamic balancing measurement to impeller, by dynamic balance testing machine, find out non-equilibrium site and the unbalance mass, of impeller, application duplicate removal or the method increased the weight of, make the designing requirement up to specification of its amount of unbalance.Impeller, when the enterprising action balance test of dynamic balance testing machine, must be designed a kind of dynamic balance testing device that can use on dynamic balance testing machine according to the planform of impeller.
Common blind hole impeller generally has one section pilot hole that can be used for location.As shown in Figure 1, impeller 4 has blind hole 41 and pilot hole 42; As shown in Figure 2, dynamic balance testing device comprises mandrel 2 and is arranged on the belt pulley 3 on mandrel 2, and mandrel 2 is the monoblock type setting with belt pulley 3.Described mandrel 2 comprises support shelves I24, the support shelves II25 after thread segment 21, positioning section 22, shaft shoulder I23 and shaft shoulder I23.During installation, the pilot hole 42 of impeller 4 can be located with the positioning section 22 of dynamic balance testing device, external thread by mandrel 2 thread segments 21 is connected with the internal thread of impeller 4 blind holes 41, the impeller end face 43 of impeller 4 is close to the end face 231 of mandrel 2 shaft shoulder I, thereby impeller 4 and mandrel 2 are reliably located, and this just can carry out dynamic balancing measurement by dynamic balance testing machine.And impeller 4 as shown in Figure 3 only has and can, for the blind hole 41 connected, not can be used for the pilot hole of location.Carry out dynamic balancing measurement as direct employing is threaded, because impeller 4 is insecure with mandrel 2 location, the measuring accuracy that this will affect impeller, do not reach the permissible accuracy grade.
Summary of the invention
In prior art, because blade wheel structure changes, existing dynamic balance testing device can only be threaded connection, can not fixedly positioning, thereby the technical matters that the measuring accuracy of impeller is impacted, the purpose of this invention is to provide a kind of blind hole impeller dynamic balance testing device, this device has been set up locating sleeve on original dynamic poise device, has solved the technical matters that existing dynamic poise device can not fixedly positioning.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of blind hole impeller dynamic balance testing device, comprise mandrel, belt pulley, also comprises locating sleeve, for mandrel and impeller location.
Preferably, be coaxially arranged with endoporus I and endoporus II in described locating sleeve, the positioning section of described endoporus I and mandrel is equipped with, and the periphery of described endoporus II and impeller is equipped with.
Preferably, described endoporus II is bellmouth, with the conical external circle face of impeller, is equipped with, and both conical surface laminating degree are greater than 75%.
Preferably, the coaxiality error of the endoporus I of described locating sleeve and endoporus II is less than 0.01mm.
Preferably, described belt pulley and mandrel design for split, by interference fit, are fixedly connected with, and belt pulley adopts the method for hot jacket to be assemblied on mandrel.
Preferably, the positioning section of the endoporus I of described locating sleeve and mandrel adopts the little clearance fit setting of H6/g5.
Preferably, described mandrel comprises successively thread end, positioning section, shaft shoulder I, supports shelves I, shaft shoulder II, belt pulley construction section and support a grade II, and described belt pulley construction section is set to circular conical surface with the junction of supporting shelves II.
Preferably, described locating sleeve adopts tool steel T10A material, and described mandrel adopts the structural alloy steel material, and described belt pulley adopts aluminum alloy material.
Useful technique effect of the present invention is:
Blind hole impeller dynamic balance testing device of the present invention has been realized the good location of impeller and mandrel by setting up locating sleeve, this apparatus structure is simple, it is easy, easy to operate to assemble, measuring accuracy is high; Simultaneously, the split type setting of mandrel and belt pulley, reduced difficulty of processing, guaranteed crudy, reduced processing cost.
The accompanying drawing explanation
Fig. 1 is the blade wheel structure schematic diagram that is provided with pilot hole;
Fig. 2 is existing dynamic balance testing device structural representation;
Fig. 3 be the present invention for the blade wheel structure schematic diagram;
Fig. 4 is structural representation of the present invention;
Fig. 5 is the locating sleeve structure schematic diagram;
Fig. 6 is the core shaft structure schematic diagram;
Fig. 7 is the belt sheave structure schematic diagram;
Fig. 8 is the present invention and impeller installing schematic diagram.
Reference numeral
1. locating sleeve; 2. mandrel; 3. belt pulley; 4. impeller; 11. endoporus I; 12. endoporus II;
123. inner conical surface; 13. locating sleeve end face; 21. thread segment; 22. positioning section; 23. shaft shoulder I
231. shaft shoulder I end face; 24. support shelves I; 25. support shelves II; 26. circular conical surface; 27. shaft shoulder II;
271. shaft shoulder II end face; 28. belt pulley construction section; 32. endoporus III; 34. belt pulley end face;
41. blind hole; 42. pilot hole; 43. impeller end face; 44. periphery
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further details.
As shown in Figure 4 and Figure 8, blind hole impeller dynamic balance testing device of the present invention, comprise mandrel 2, be arranged on the belt pulley 3 on mandrel 2, the position cover 1 for mandrel 2 with impeller 4 location.
As shown in Figure 5, be coaxially arranged with endoporus I11 and endoporus II12 in described locating sleeve 1.For guaranteeing measuring accuracy, the coaxiality error of described endoporus I11 and endoporus II12 is less than 0.01mm.
As shown in Figure 6, described mandrel 2 comprises successively thread segment 21, positioning section 22, shaft shoulder I23, supports shelves I24, shaft shoulder II27, belt pulley construction section 28 and support shelves II25, and the endoporus I11 of described locating sleeve 1 and the positioning section 22 of mandrel 2 are equipped with.In the present embodiment, the positioning section 22 of the endoporus I11 of described locating sleeve 1 and mandrel 2 adopts the little clearance fit setting of H6/g5.
As shown in Fig. 3 and Fig. 8, the endoporus II12 of described locating sleeve 1 and the periphery 44 of impeller 4 are equipped with.
As shown in Figure 3 and Figure 5, described endoporus II12 is bellmouth, and its inner conical surface 123 is equipped with the conical external circle face 44 of impeller 4, and for guaranteeing measuring accuracy, both conical surface laminating degree should be greater than 75%.
As shown in Figure 6, described belt pulley construction section 28 is set to circular conical surface 26 with the junction of supporting shelves II25, is convenient to the installation of belt pulley 3.
In the present embodiment, described belt pulley 3, is fixedly connected with by interference fit for split designs with mandrel 2, and belt pulley 3 adopts the method for hot jacket to be assemblied on mandrel 2.
In the present embodiment, described locating sleeve 1 adopts tool steel T10A material, and described mandrel 2 adopts the structural alloy steel material, and described belt pulley 3 adopts aluminum alloy material.
Further introduce the present invention below in conjunction with accompanying drawing and install and use process.
Before test, at first belt pulley 3 is installed.As shown in Fig. 4, Fig. 6 and Fig. 7, the support shelves II25 of mandrel 2 is through the endoporus III32 of belt pulley 3, adopt the method for hot jacket belt pulley 3 to be arranged on the belt pulley construction section 28 of mandrel 2, and make on the shaft shoulder II end face 271 of belt pulley end face 34 near shaft shoulder II27 of belt pulley 3, belt pulley 3 and belt pulley construction section 28 interference fit, thereby make belt pulley 3 and mandrel 2 connect into an integral body, in use procedure, these two parts are not torn open.In order to guarantee the measuring accuracy of impeller 4, should carry out dynamic balancing measurement after mandrel 2 and belt pulley 3 combinations, by the method for duplicate removal, make its unbalancing value should be controlled at the minimum value of equipment institute energy reading.
Then by the thread segment of mandrel 2 21 1 ends successively through endoporus I11 and the endoporus II12 of locating sleeve 1, make the little clearance fit of endoporus I11 on positioning section 21 on mandrel 2 and locating sleeve 1, generally adopt H6/g5 to be equipped with.Then the thread segment of mandrel 2 21 and the blind hole 41 of impeller 4 are threaded connection, the thread segment 21 of mandrel 2 is provided with external thread, and blind hole 41 is provided with internal thread.After connection, under the axial tension effect that is threaded, the shaft shoulder I end face 231 of mandrel 2 and the locating sleeve end face 13 of locating sleeve 1 are close to, the inner conical surface 123 of locating sleeve 1 and 44 laminatings of the conical external circle face of impeller 4.
Finally, the dynamic balance testing device that has connected impeller is placed on test machine, is tested according to conventional method of testing.Other auxiliary test unit is same as the prior art, repeats no more.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a blind hole impeller dynamic balance testing device, comprise mandrel (2), belt pulley (3), it is characterized in that, also comprises locating sleeve (1), for mandrel (2) and impeller (4) location.
2. blind hole impeller dynamic balance testing device according to claim 1, it is characterized in that, described locating sleeve is coaxially arranged with endoporus I(11 in (1)) and endoporus II(12), described endoporus I(11) be equipped with described endoporus II(12 with the positioning section (22) of mandrel (2)) with the periphery (44) of impeller (4), be equipped with.
3. blind hole impeller dynamic balance testing device according to claim 2, is characterized in that, described endoporus II(12) be bellmouth, with the conical external circle face (44) of impeller (4), be equipped with, both conical surface laminating degree are greater than 75%.
4. blind hole impeller dynamic balance testing device according to claim 2, is characterized in that, the endoporus I(11 of described locating sleeve (1)) and endoporus II(12) coaxiality error be less than 0.01mm.
5. blind hole impeller dynamic balance testing device according to claim 1, is characterized in that, described belt pulley (3), is fixedly connected with by interference fit for split designs with mandrel (2), and belt pulley (3) adopts the method for hot jacket to be assemblied on mandrel (2).
6. blind hole impeller dynamic balance testing device according to claim 1, is characterized in that, the endoporus I(11 of described locating sleeve (1)) adopt the little clearance fit setting of H6/g5 with the positioning section (22) of mandrel (2).
7. blind hole impeller dynamic balance testing device according to claim 1, it is characterized in that, described mandrel (2) comprises thread end (21), positioning section (22), shaft shoulder I(23 successively), support a shelves I(24), shaft shoulder II(27), belt pulley construction section (28) and support a shelves II(25), described belt pulley construction section (28) with support a shelves II(25) junction be set to circular conical surface (26).
8. blind hole impeller dynamic balance testing device according to claim 1, is characterized in that, described locating sleeve (1) adopts tool steel T10A material, and described mandrel (2) adopts the structural alloy steel material, and described belt pulley (3) adopts aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310366772.2A CN103439054B (en) | 2013-08-21 | 2013-08-21 | Blind hole impeller dynamic balance testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310366772.2A CN103439054B (en) | 2013-08-21 | 2013-08-21 | Blind hole impeller dynamic balance testing device |
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| CN103439054A true CN103439054A (en) | 2013-12-11 |
| CN103439054B CN103439054B (en) | 2016-08-17 |
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| CN201310366772.2A Active CN103439054B (en) | 2013-08-21 | 2013-08-21 | Blind hole impeller dynamic balance testing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319012A (en) * | 2015-12-02 | 2016-02-10 | 中核(天津)科技发展有限公司 | Dynamic balancing machine standard correction rotor with internal conical surface |
| CN105806558A (en) * | 2016-05-13 | 2016-07-27 | 北京精密机电控制设备研究所 | Dynamic balance tool for permanent-magnet shaftless impeller |
| CN109540390A (en) * | 2018-12-19 | 2019-03-29 | 贵州永红航空机械有限责任公司 | The method and dynamic balancing mandrel of high speed rotor removal amount of unbalance |
| CN110230608A (en) * | 2019-07-29 | 2019-09-13 | 重庆江增船舶重工有限公司 | A kind of band end tooth dynamic balancing mandrel and impeller installing |
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| EP0550816A2 (en) * | 1992-01-09 | 1993-07-14 | Hofmann Werkstatt-Technik Gmbh | Method and device for clamping and releasing a rotor from a motor driven main shaft of a balancing arrangement |
| CN2809617Y (en) * | 2005-07-29 | 2006-08-23 | 江津增压器厂 | Dynamic balance tester for air compressing impeller with blind hole |
| CN201503329U (en) * | 2009-10-20 | 2010-06-09 | 中国北车集团大同电力机车有限责任公司 | Dynamic balance test tool |
| CN201645727U (en) * | 2010-04-02 | 2010-11-24 | 江西耐普实业有限公司 | Rubber impeller mold of slurry pump |
| CN201771851U (en) * | 2010-07-21 | 2011-03-23 | 上海连成（集团）有限公司 | Dynamic balance device applicable to cantilever type impeller |
| CN202963585U (en) * | 2012-09-29 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | End mill for machining honeycomb material with high speed |
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2013
- 2013-08-21 CN CN201310366772.2A patent/CN103439054B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0550816A2 (en) * | 1992-01-09 | 1993-07-14 | Hofmann Werkstatt-Technik Gmbh | Method and device for clamping and releasing a rotor from a motor driven main shaft of a balancing arrangement |
| CN2809617Y (en) * | 2005-07-29 | 2006-08-23 | 江津增压器厂 | Dynamic balance tester for air compressing impeller with blind hole |
| CN201503329U (en) * | 2009-10-20 | 2010-06-09 | 中国北车集团大同电力机车有限责任公司 | Dynamic balance test tool |
| CN201645727U (en) * | 2010-04-02 | 2010-11-24 | 江西耐普实业有限公司 | Rubber impeller mold of slurry pump |
| CN201771851U (en) * | 2010-07-21 | 2011-03-23 | 上海连成（集团）有限公司 | Dynamic balance device applicable to cantilever type impeller |
| CN202963585U (en) * | 2012-09-29 | 2013-06-05 | 成都飞机工业（集团）有限责任公司 | End mill for machining honeycomb material with high speed |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319012A (en) * | 2015-12-02 | 2016-02-10 | 中核(天津)科技发展有限公司 | Dynamic balancing machine standard correction rotor with internal conical surface |
| CN105319012B (en) * | 2015-12-02 | 2018-07-13 | 中核(天津)科技发展有限公司 | Dynamic balancing machine standard calibration rotor with inner conical surface |
| CN105806558A (en) * | 2016-05-13 | 2016-07-27 | 北京精密机电控制设备研究所 | Dynamic balance tool for permanent-magnet shaftless impeller |
| CN105806558B (en) * | 2016-05-13 | 2018-07-20 | 北京精密机电控制设备研究所 | A kind of dynamic balancing tooling of the shaftless impeller of permanent magnetism |
| CN109540390A (en) * | 2018-12-19 | 2019-03-29 | 贵州永红航空机械有限责任公司 | The method and dynamic balancing mandrel of high speed rotor removal amount of unbalance |
| CN109540390B (en) * | 2018-12-19 | 2021-08-17 | 贵州永红航空机械有限责任公司 | Method for removing unbalance of high-speed rotor and dynamic balance mandrel |
| CN110230608A (en) * | 2019-07-29 | 2019-09-13 | 重庆江增船舶重工有限公司 | A kind of band end tooth dynamic balancing mandrel and impeller installing |
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| Publication number | Publication date |
|---|---|
| CN103439054B (en) | 2016-08-17 |
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