CN204099252U - Frock coupling shaft and impeller test fixture - Google Patents
Frock coupling shaft and impeller test fixture Download PDFInfo
- Publication number
- CN204099252U CN204099252U CN201420436338.7U CN201420436338U CN204099252U CN 204099252 U CN204099252 U CN 204099252U CN 201420436338 U CN201420436338 U CN 201420436338U CN 204099252 U CN204099252 U CN 204099252U
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- Prior art keywords
- coupling shaft
- main paragraph
- side coupling
- impeller
- frock
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Abstract
The utility model provides a kind of frock coupling shaft and impeller test fixture, and this frock coupling shaft comprises impeller side coupling shaft and the equipment side coupling shaft of split setting; Described impeller side coupling shaft is provided with groove, described equipment side coupling shaft is provided with bump, or described impeller side coupling shaft is provided with bump, described equipment side coupling shaft is provided with groove; Described impeller side coupling shaft and described equipment side coupling shaft are removably connected by the cooperation of described groove and described bump.Frock coupling shaft of the present utility model is that Split detachable unloads structure, only need during replacing to change impeller side coupling shaft according to impeller size, do not need to change whole frock coupling shaft, change fast very convenient, quick-replaceable frock coupling shaft when can ensure like this to test, simultaneously can avoid damaging frock coupling shaft in unloading process, the working life of frock coupling shaft especially its equipment side coupling shaft can be extended.
Description
Technical field
The utility model relates to field tests, particularly relates to a kind of frock coupling shaft and the impeller test fixture comprising frock coupling shaft.
Background technique
Impeller belongs to the core pneumatic element of centrifugal compressor.The quality of impeller directly has influence on the reliability of centrifugal compressor.So when dispatching from the factory experiment, each impeller needs to do overspeed experiment, to verify impeller weld seam and strength of parent in an overspeed situation.The frock coupling shaft that current impeller test uses belongs to monolithic construction, and the frock coupling shaft of the corresponding different model of the impeller of different material coding.Because impeller belongs to the product of " amount less, kind many ", so all need to change frock coupling shaft after each test, just there is following problem in this: frock coupling shaft need be pounded out when (1) changes frock coupling shaft at every turn, the easy like this frock coupling shaft that causes damages, and the size impact of being dismounted for multiple times to frock coupling shaft is larger; (2) replacement cycle is long, and testing efficiency is low.
Model utility content
Change to overcome above-mentioned frock coupling shaft deficiency frock coupling shaft being caused to damage, the purpose of this utility model is to provide a kind of new frock coupling shaft and comprises the impeller test fixture of frock coupling shaft.
The technical solution of the utility model is as follows:
A kind of frock coupling shaft, comprises impeller side coupling shaft and the equipment side coupling shaft of split setting;
Described impeller side coupling shaft is provided with groove, described equipment side coupling shaft is provided with bump, or described impeller side coupling shaft is provided with bump, described equipment side coupling shaft is provided with groove;
Described impeller side coupling shaft and described equipment side coupling shaft are removably connected by the cooperation of described groove and described bump.
Wherein, described impeller side coupling shaft comprises the first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph that connect successively, and described groove is arranged on described 4th main paragraph;
Described equipment side coupling shaft comprises the 5th main paragraph, the 6th main paragraph, the 7th main paragraph, the 8th main paragraph and the 9th main paragraph that connect successively, and described bump is fixed on described 5th main paragraph.
Wherein, described impeller side coupling shaft comprises the first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph that connect successively, and described bump is fixed on described 4th main paragraph;
Described equipment side coupling shaft comprises the 5th main paragraph, the 6th main paragraph, the 7th main paragraph, the 8th main paragraph and the 9th main paragraph that connect successively, and described groove is arranged on described 5th main paragraph.
Wherein, described groove on described 4th main paragraph or all sides of described bump are provided with the first fixed hole, on described 5th main paragraph, be provided with the second fixed hole accordingly, described impeller side coupling shaft and described equipment side coupling shaft are also fixed by screw or bolt.
Wherein, the cross section of described 4th main paragraph is circular, and the cross section of described 5th main paragraph is connected successively with the second camber line by the first camber line, the first straight line, the second straight line and is formed; Described 4th main paragraph and described 5th main paragraph are coaxially arranged, and the radius of described first camber line and described second camber line is all equal with the radius of described circle.
Wherein, the diameter order of described first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph is the 4th main paragraph > second main paragraph > the 3rd main paragraph > first main paragraph;
The diameter order of described 7th main paragraph, the 8th main paragraph and the 9th main paragraph is the 7th main paragraph > the 8th main paragraph > the 9th main paragraph.
Wherein, the sectional shape of described groove is rectangle, and the sectional shape of described bump is rectangle.
The utility model also provides a kind of impeller test fixture, comprises above-mentioned frock coupling shaft, and impeller to be tested is arranged on the impeller side coupling shaft of described frock coupling shaft.
Wherein, described impeller to be tested and described impeller side coupling shaft interference fit.
Wherein, the magnitude of interference of described interference fit is 3 ~ 5.
The beneficial effects of the utility model are: frock coupling shaft of the present utility model is that Split detachable unloads structure, only need during replacing to change impeller side coupling shaft according to impeller size, do not need to change whole frock coupling shaft, change fast very convenient, quick-replaceable frock coupling shaft when can ensure like this to test, simultaneously can avoid damaging frock coupling shaft in unloading process, the working life of frock coupling shaft especially its equipment side coupling shaft can be extended.
Accompanying drawing explanation
Fig. 1 is the overall schematic of frock coupling shaft of the present utility model;
Fig. 2 is the plan view of the frock coupling shaft shown in Fig. 1;
Fig. 3 is the plan view of the impeller side coupling shaft of the frock coupling shaft shown in Fig. 1;
Fig. 4 is the A-A sectional view in Fig. 3;
Fig. 5 is the plan view of the equipment side coupling shaft of the frock coupling shaft shown in Fig. 1;
Fig. 6 is the side view of the equipment side coupling shaft shown in Fig. 5;
Fig. 7 is the H-H sectional view in Fig. 5;
Fig. 8 loads onto the overall schematic after impeller for the frock coupling shaft shown in Fig. 1;
Fig. 9 is the sectional view being provided with the frock coupling shaft of impeller shown in Fig. 8.
Embodiment
In order to make the object of frock coupling shaft of the present utility model and impeller test fixture, technological scheme and advantage clearly understand, below in conjunction with concrete drawings and the specific embodiments, the utility model is further elaborated.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
See Fig. 1 and Fig. 2, the utility model provides a kind of frock coupling shaft, and it comprises impeller side coupling shaft 100 and the equipment side coupling shaft 200 of split setting.Impeller side coupling shaft 100 in the present embodiment and equipment side coupling shaft 200 adopt the means of fixation of snap fit.In the present embodiment, impeller side coupling shaft 100 and equipment side coupling shaft 200 are set to Split type structure, only need to untie snap-in structure during replacing and then change impeller side coupling shaft 100 according to different impeller size, do not need to change whole frock coupling shaft, change fast very convenient, quick-replaceable frock coupling shaft when can ensure like this to test, simultaneously can avoid damaging frock coupling shaft in unloading process, the working life of frock coupling shaft especially its equipment side coupling shaft 200 can be extended.
See Fig. 2, on described impeller side coupling shaft, 100 are provided with groove 141, described equipment side coupling shaft 200 is provided with bump 210, and described impeller side coupling shaft 100 and described equipment side coupling shaft 200 are removably connected by the cooperation of described groove 141 and described bump 210.Only need during dismounting bump 210 is separated with groove 141.The shape of bump and groove should be corresponding, and preferably, the length of bump 210 should be less than the degree of depth of groove 141.Can ensure that equipment side coupling shaft 200 is connected well with impeller side coupling shaft 100 like this, there will not be the situation that equipment side coupling shaft 200 cannot cannot coordinate with impeller side coupling shaft 100.It should be noted that and also on impeller side coupling shaft described in impeller side, 100 can be provided with bump, described equipment side coupling shaft 200 is provided with groove.Its implementation is same as described above, and the utility model is not repeating.
See Fig. 1 to Fig. 4, described impeller side coupling shaft 100 comprises the first main paragraph 110, second main paragraph 120, the 3rd main paragraph 130 and the 4th main paragraph 140 that connect successively, and described groove 141 is arranged on described 4th main paragraph 140.When impeller side coupling shaft 100 is connected with equipment side coupling shaft 200, the 4th main paragraph 140 contacts with equipment side coupling shaft 200.See Fig. 1, Fig. 2, Fig. 5 and Fig. 6, described equipment side coupling shaft 200 also comprises the 5th main paragraph 220, the 6th main paragraph 230, the 7th main paragraph 240, the 8th main paragraph 250 and the 9th main paragraph 260 that connect successively, and described bump is fixed on described 5th main paragraph.When impeller side coupling shaft 100 is connected with equipment side coupling shaft 200, bump 210 is chimeric with groove 141, and the 4th main paragraph 140 contacts with the 5th main paragraph 220.Compared with current all-in-one-piece frock coupling shaft, frock coupling shaft in the present embodiment is also provided with groove 141 and the bump 210 of tabling, by groove 141 and the cooperation of bump 210, impeller side coupling shaft 100 is connected with equipment side coupling shaft 200, this snap fit is adopted to facilitate follow-up dismounting and replacing, very convenient.The present embodiment arranges groove and on equipment side, arranges bump in impeller side, is because impeller side coupling shaft is the position needing to change, like this than being easier to location.The first main paragraph 110 in the present embodiment is provided with outside thread.
Preferably, as a kind of embodiment, see Fig. 3 and Fig. 6, the sectional shape of described groove 141 is rectangle, and the sectional shape of described bump 210 is rectangle.The sectional shape of groove 141 and bump 210 can be also other shapes, as long as the two can cooperatively interact.
Preferably, as a kind of embodiment, in order to ensure to be fixed well between impeller side coupling shaft 100 and equipment side coupling shaft 200, the present embodiment additionally uses the means of fixation of screw or bolt.See Fig. 3, all sides of the described groove 141 on described 4th main paragraph 140 are provided with the first fixed hole 142, on described 5th main paragraph 220, be provided with the second fixed hole 221 see Fig. 6 accordingly, described impeller side coupling shaft 100 and described equipment side coupling shaft 200 are also fixed by screw or bolt.
Preferably, as a kind of embodiment, see Fig. 3 and Fig. 6, the cross section of described 4th main paragraph 140 is circular, and the cross section of described 5th main paragraph 220 is connected successively with the second camber line 225 by the first camber line 222, first straight line 223, second straight line 224 and is formed; See Fig. 1, described 4th main paragraph 140 and described 5th main paragraph 220 are coaxially arranged, and the radius of described first camber line 222 and described second camber line 225 is all equal with the radius of described circle.Namely two cambered surfaces have been cut away in the both sides that the 5th main paragraph 220 is equivalent to the 4th main paragraph 140, namely the 5th main paragraph 220 are provided with flat position.
Preferably, see Fig. 7, the sectional shape of the 6th main paragraph 230 is similar to the 5th main paragraph, and difference is only to vary in size.Same, the 6th main paragraph 230 is also provided with flat position.5th main paragraph and the 6th main paragraph arrange flat position and facilitates hand-held installation.
Preferably, as a kind of embodiment, see Fig. 1, the diameter order of described first main paragraph 110, second main paragraph 120, the 3rd main paragraph 130 and the 4th main paragraph 140 is the 4th main paragraph 140 > second main paragraph 120 > the 3rd main paragraph 130 > first main paragraph 110; The diameter order of described 7th main paragraph 240, the 8th main paragraph 250 and the 9th main paragraph 260 is the 7th main paragraph 240 > the 8th main paragraph 250 > the 9th main paragraph 260.
Accordingly, the utility model also provides a kind of impeller test fixture, and see Fig. 8 and Fig. 9, it comprises the frock coupling shaft described in above-mentioned any embodiment, and impeller 300 to be tested is arranged on the impeller side coupling shaft 100 of described frock coupling shaft.Only need during such test to change impeller side coupling shaft 100.Impeller to be tested 300 in the present embodiment is arranged on the second main paragraph 120, the 3rd main paragraph 130 and part first main paragraph 110, and the end of impeller to be tested 300 abuts with the 4th main paragraph 140.
Preferably, as a kind of embodiment, be interference fit between described impeller to be tested and described impeller side coupling shaft 100.When such setting is avoided testing, impeller comes off.Therefore, need employing instrument to be pounded out by impeller side coupling shaft during dismounting impeller, inevitable like this damage is caused to impeller side coupling shaft 100.Moreover the diameter of different impellers is different, also needs different impeller side coupling shafts when therefore testing different impellers.When because when damage or size change impeller side coupling shaft, because current frock coupling shaft is that therefore overall structure must change whole frock coupling shaft, and frock coupling shaft of the present utility model is Split type structure, therefore only impeller side coupling shaft need be changed.
Preferably, as a kind of embodiment, the magnitude of interference of described interference fit is 3 ~ 5.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claim.
Claims (10)
1. a frock coupling shaft, is characterized in that, comprises impeller side coupling shaft and the equipment side coupling shaft of split setting;
Described impeller side coupling shaft is provided with groove, described equipment side coupling shaft is provided with bump, or described impeller side coupling shaft is provided with bump, described equipment side coupling shaft is provided with groove;
Described impeller side coupling shaft and described equipment side coupling shaft are removably connected by the cooperation of described groove and described bump.
2. frock coupling shaft according to claim 1, is characterized in that, described impeller side coupling shaft comprises the first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph that connect successively, and described groove is arranged on described 4th main paragraph;
Described equipment side coupling shaft comprises the 5th main paragraph, the 6th main paragraph, the 7th main paragraph, the 8th main paragraph and the 9th main paragraph that connect successively, and described bump is fixed on described 5th main paragraph.
3. frock coupling shaft according to claim 1, is characterized in that, described impeller side coupling shaft comprises the first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph that connect successively, and described bump is fixed on described 4th main paragraph;
Described equipment side coupling shaft comprises the 5th main paragraph, the 6th main paragraph, the 7th main paragraph, the 8th main paragraph and the 9th main paragraph that connect successively, and described groove is arranged on described 5th main paragraph.
4. the frock coupling shaft according to Claims 2 or 3, it is characterized in that, described groove on described 4th main paragraph or all sides of described bump are provided with the first fixed hole, on described 5th main paragraph, be provided with the second fixed hole accordingly, described impeller side coupling shaft and described equipment side coupling shaft are also fixed by screw or bolt.
5. frock coupling shaft according to claim 4, is characterized in that, the cross section of described 4th main paragraph is circular, and the cross section of described 5th main paragraph is connected successively with the second camber line by the first camber line, the first straight line, the second straight line and is formed; Described 4th main paragraph and described 5th main paragraph are coaxially arranged, and the radius of described first camber line and described second camber line is all equal with the radius of described circle.
6. frock coupling shaft according to claim 4, it is characterized in that, the diameter order of described first main paragraph, the second main paragraph, the 3rd main paragraph and the 4th main paragraph is the 4th main paragraph > second main paragraph > the 3rd main paragraph > first main paragraph;
The diameter order of described 7th main paragraph, the 8th main paragraph and the 9th main paragraph is the 7th main paragraph > the 8th main paragraph > the 9th main paragraph.
7. frock coupling shaft according to claim 1, is characterized in that, the sectional shape of described groove is rectangle, and the sectional shape of described bump is rectangle.
8. an impeller test fixture, is characterized in that, comprises the frock coupling shaft described in claim 1 to 7 any one, and impeller to be tested is arranged on the impeller side coupling shaft of described frock coupling shaft.
9. impeller test fixture according to claim 8, is characterized in that, described impeller to be tested and described impeller side coupling shaft interference fit.
10. impeller test fixture according to claim 9, is characterized in that, the magnitude of interference of described interference fit is 3 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436338.7U CN204099252U (en) | 2014-08-04 | 2014-08-04 | Frock coupling shaft and impeller test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420436338.7U CN204099252U (en) | 2014-08-04 | 2014-08-04 | Frock coupling shaft and impeller test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099252U true CN204099252U (en) | 2015-01-14 |
Family
ID=52267684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420436338.7U Expired - Fee Related CN204099252U (en) | 2014-08-04 | 2014-08-04 | Frock coupling shaft and impeller test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187175A (en) * | 2018-09-26 | 2019-01-11 | 上海幸福摩托车有限公司 | Tooling for impeller fixed when testing impeller pulling capacity |
-
2014
- 2014-08-04 CN CN201420436338.7U patent/CN204099252U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109187175A (en) * | 2018-09-26 | 2019-01-11 | 上海幸福摩托车有限公司 | Tooling for impeller fixed when testing impeller pulling capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20210804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |