CN104819811A - Motor end cover casting quality detection tool - Google Patents
Motor end cover casting quality detection tool Download PDFInfo
- Publication number
- CN104819811A CN104819811A CN201510260538.0A CN201510260538A CN104819811A CN 104819811 A CN104819811 A CN 104819811A CN 201510260538 A CN201510260538 A CN 201510260538A CN 104819811 A CN104819811 A CN 104819811A
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- CN
- China
- Prior art keywords
- capping
- end cap
- sleeve pipe
- casting quality
- electric motor
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- 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.)
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Abstract
The invention relates to a motor end cover casting quality detection tool. A tube cavity of the end cover is internally provided with a first sealing cover and a second sealing cover; the first sealing cover, the second sealing cover and the end cover form a sealed cavity room in a surrounding mode; an air inlet tube is arranged on the first sealing cover and/or the second sealing cover; one end of the air inlet tube is communicated with the cavity room, and the other end is communicated with a pressure air source. For ease of observation, the end cover can be coated with a detection coating adhesive, if bubbles appear on the surface of the end cover, the quality of the end cover casting is disqualified, and air hole or shrinkage hole defects exist; and if no bubbles exist on the surface of the end cover, the quality of the end cover casting is qualified, and no air hole or shrinkage hole defects exist. The detection tool of the invention is simple in structure and convenient in operation.
Description
Technical field
The present invention relates to technical field of motors, particularly a kind of electric motor end cap casting quality detects frock.
Background technology
Motor is widely used as the power source of driving mechanism action.The rotor of motor is arranged in electric machine stand, epitrochanterian rotating shaft is stretched out one end end cap of electric machine stand and is connected with load, shown in composition graphs 1a and Fig. 1 b, the overall siphunculus shape of end cap, the two ends of siphunculus shape are respectively arranged with first, second mounting disc 11, 12, the dish edge position of the first mounting disc 11 is provided with mounting hole 111 and is connected with electric machine stand end face, the dish edge position of the second mounting disc 12 is provided with mounting hole 121 and is connected with load, the die position of end cap is provided with for the sleeve pipe 13 with rotor shaft and bearing fit, sleeve pipe 13 and end cap are arranged with core, the tube chamber profile of sleeve pipe 13 is that ladder is poroid, be positioned at the large aperture section of the first mounting disc 11 side for assembling shaft bearing, the small-bore section being positioned at the second mounting disc 12 side coordinates with rotating shaft.
Be applied to the motor of some special occasions, require that the casting quality of electric motor end cap is higher, end cap foundry goods can not have the defect such as pore, shrinkage cavity, otherwise the fluid in the external world, water etc. are easy to be infiltrated in electric machine stand by the pore on end cap or shrinkage cavity, and then causes the adverse consequences such as short circuit of motor.Therefore, end cap foundry goods, when producing, needs to carry out quality testing to it, to avoid the harmful effect that there is pore, the end cap foundry goods of shrinkage cavity causes motor performance.
Summary of the invention
The object of the present invention is to provide a kind of detection frock that conveniently can detect a kind of electric motor end cap casting quality.
For realizing above object, the technical solution used in the present invention is: a kind of electric motor end cap casting quality detects frock, first, second capping is provided with in the tube chamber of end cap, enclose between first, second capping and end cap and form airtight chamber A, first capping and/or the second capping are provided with draft tube, draft tube one end is communicated with chamber A, and the other end is communicated with pressure gas source.
Compared with prior art, there is following technique effect in the present invention: in the tube chamber of end cap, arranges first, second capping, make to form airtight chamber A in end cap, by passing into gases at high pressure to chamber interior, for ease of observing, detection gluing can be coated with on end cap, if bubble appears in the surface of end cap, the quality dissatisfaction of end cap foundry goods is then described, there is pore or shrinkage cavity defect; If bubble does not appear in the surface of end cap, then the requisite quality of end cap foundry goods is described, there is not pore or shrinkage cavity defect.Detection tool structure of the present invention is simple, handled easily.
Accompanying drawing explanation
Fig. 1 a is the structural representation of end cap;
Fig. 1 b is the Section View of Fig. 1 a;
Structural representation when Fig. 2 is the detection of the present invention's application end cap;
Fig. 3 is the Section View of Fig. 2.
Embodiment
Composition graphs 1a to Fig. 3, is described further the present invention:
A kind of electric motor end cap casting quality detects frock, first, second capping 20,30 is provided with in the tube chamber of end cap 10, enclose between first, second capping 20,30 and end cap 10 and form airtight chamber A, first capping 20 and/or the second capping 30 are provided with draft tube, draft tube one end is communicated with chamber A, and the other end is communicated with pressure gas source.
First, second capping 20,30 is set in the tube chamber of end cap 10, make to form airtight chamber A in end cap 10, by passing into gases at high pressure to chamber A inside, for ease of observing, detection gluing can be coated with at end cap 10 outside surface, if bubble appears in the surface of end cap 10, then the quality dissatisfaction of end cap 10 foundry goods is described, there is pore or shrinkage cavity defect; If bubble does not appear in the surface of end cap 10, then the requisite quality of end cap foundry goods is described, there is not pore or shrinkage cavity defect.Detection tool structure of the present invention is simple, handled easily.
As preferred version of the present invention, the first capping 20 seals with the card of the second mounting disc 12 of end cap 10 and fits, and the second capping 30 is fitted with the ferrule of the sleeve pipe 13 of end cap 10, and described draft tube is arranged in the first capping 20.Enclose between second capping 30, sleeve pipe 13, first capping 20 and end cap 10 and define airtight chamber A, for ease of the layout of draft tube 21, by reference to the accompanying drawings 2 and 3, air inlet pipeline 21 is arranged in the first capping 20.
Further, the mouth of pipe place of the sleeve pipe 13 at the second mounting disc 12 place of the contiguous end cap 10 of the second capping 30 is arranged, that is the second capping 30 is arranged on mouth of pipe place, sleeve pipe 13 outer end, the airtight chamber A formed between second capping 30 and the first capping 20 is the outside surface be connected with load of electric motor end cap 10 just, such setting can guarantee that this detection frock detects the comprehensive of end cap 10, the other end of sleeve pipe 13 is provided with pressing plate 40, is fastenedly connected between the second capping 30 and pressing plate 40 by pull bar 50.Second capping 30 can be fixed on sleeve pipe 13 by pressing plate 40 and pull bar 50.
Second capping 30 entirety is in ladder plate-like, the path section of the second capping 30 stretches in sleeve pipe 13, the large footpath section of the second capping 30 coordinates with the ferrule of sleeve pipe 13, the end winding support of one end of pull bar 50 and the path section of the second capping 30, the other end of pull bar 50 stretches out that pressing plate 40 is outer and external part is provided with nut 41, and nut 41 is threaded with the external part of pull bar 50.The shape of gland 40 can be rectangle, is provided with the observation hole for observing the bearing mounting hole in sleeve pipe 13 between gland 40 and sleeve pipe 13, so just can judge that whether the casting quality of sleeve pipe 13 bearing installation position is qualified.
The lid mouth of the first capping 20 and the second mounting disc 12 of end cap 10 are bolted, the first O-ring seal 60 is provided with between the lid mouth of the first capping 20 and the second mounting disc 12 of end cap 10, coordinated with the mounting hole 121 that the second mounting disc 12 is arranged by the fastening bolt be arranged in the first capping 20, thus the first capping 20 can be fixed in the second mounting disc 12 of end cap 10.
The second O-ring seal 70 is provided with between the large footpath section of the second capping 30 and the mouth of pipe of sleeve pipe 11, by coordinating of pull bar 50 and nut 41, thus the second capping 30 is fitted tightly with the mouth of pipe of sleeve pipe 13, the second O-ring seal 70 realizes the sealing of the second capping 30 and sleeve pipe 13.
Claims (7)
1. an electric motor end cap casting quality detects frock, it is characterized in that: in the tube chamber of end cap (10), be provided with first, second capping (20,30), enclose between first, second capping (20,30) and end cap (10) and form airtight chamber A, first capping (20) and/or the second capping (30) are provided with draft tube, draft tube one end is communicated with chamber A, and the other end is communicated with pressure gas source.
2. electric motor end cap casting quality according to claim 1 detects frock, it is characterized in that: the first capping (20) seals with the card of second mounting disc (12) of end cap (10) and fits, second capping (30) is fitted with the ferrule of the sleeve pipe (13) of end cap (10), and described draft tube is arranged in the first capping (20).
3. electric motor end cap casting quality according to claim 2 detects frock, it is characterized in that: the mouth of pipe place of the sleeve pipe (13) at the second mounting disc (12) place of the contiguous end cap (10) of the second capping (30) is arranged, the other end of sleeve pipe (13) is provided with pressing plate (40), is fastenedly connected between the second capping (30) and pressing plate (40) by pull bar (50).
4. electric motor end cap casting quality according to claim 3 detects frock, it is characterized in that: the second capping (30) is overall stepped, the path section of the second capping (30) stretches in sleeve pipe (13), the large footpath section of the second capping (30) coordinates with the ferrule of sleeve pipe (13), the end winding support of one end of pull bar (50) and the path section of the second capping (30), the other end of pull bar (50) stretches out pressing plate (40) and external part is provided with nut (41) outward, nut (41) is threaded with the external part of pull bar (50).
5. electric motor end cap casting quality according to claim 1 detects frock, it is characterized in that: the lid mouth of the first capping (20) and second mounting disc (12) of end cap (10) are bolted, and are provided with the first O-ring seal (60) between the lid mouth of the first capping (20) and second mounting disc (12) of end cap (10).
6. electric motor end cap casting quality according to claim 4 detects frock, it is characterized in that: be provided with the second O-ring seal (70) between the mouth of pipe of the second capping (30) and sleeve pipe (11).
7. electric motor end cap casting quality according to claim 6 detects frock, it is characterized in that: fit with the pipe end of sleeve pipe (13) and the large footpath section end face of the second capping (30) respectively in the two sides of the second O-ring seal (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260538.0A CN104819811A (en) | 2015-05-20 | 2015-05-20 | Motor end cover casting quality detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260538.0A CN104819811A (en) | 2015-05-20 | 2015-05-20 | Motor end cover casting quality detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104819811A true CN104819811A (en) | 2015-08-05 |
Family
ID=53730170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510260538.0A Pending CN104819811A (en) | 2015-05-20 | 2015-05-20 | Motor end cover casting quality detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104819811A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091715A (en) * | 2017-06-13 | 2017-08-25 | 昆山富通电子有限公司 | A kind of side leakage experimental rig for electric motor end cap |
| CN108918046A (en) * | 2018-06-06 | 2018-11-30 | 南京航空航天大学 | Hot disk edge obturages leakage characteristics experimental rig and method |
| CN110487485A (en) * | 2019-09-23 | 2019-11-22 | 贵州龙飞航空附件有限公司 | A kind of tooling and detection method of testing product chrome layer quality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0433519A1 (en) * | 1989-12-22 | 1991-06-26 | Antoine Beltra | Test stand |
| JPH1078370A (en) * | 1996-09-04 | 1998-03-24 | Nisshin Steel Co Ltd | Defect part detecting method of tank bottom plate |
| EP1078370A1 (en) * | 1998-04-22 | 2001-02-28 | Atmel Corporation | Sense amplifier with zero power idle mode |
| CN201688952U (en) * | 2010-05-31 | 2010-12-29 | 龙岩伍旗力金机械有限公司 | Axle housing air tightness tester |
| CN202471516U (en) * | 2012-03-04 | 2012-10-03 | 茂名重力石化机械制造有限公司 | Self-tightening sealing pressure testing tooling for high-pressure steel pipe |
| CN104458141A (en) * | 2014-12-09 | 2015-03-25 | 湘潭电机股份有限公司 | Dynamic and static seal test device |
-
2015
- 2015-05-20 CN CN201510260538.0A patent/CN104819811A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0433519A1 (en) * | 1989-12-22 | 1991-06-26 | Antoine Beltra | Test stand |
| JPH1078370A (en) * | 1996-09-04 | 1998-03-24 | Nisshin Steel Co Ltd | Defect part detecting method of tank bottom plate |
| EP1078370A1 (en) * | 1998-04-22 | 2001-02-28 | Atmel Corporation | Sense amplifier with zero power idle mode |
| CN201688952U (en) * | 2010-05-31 | 2010-12-29 | 龙岩伍旗力金机械有限公司 | Axle housing air tightness tester |
| CN202471516U (en) * | 2012-03-04 | 2012-10-03 | 茂名重力石化机械制造有限公司 | Self-tightening sealing pressure testing tooling for high-pressure steel pipe |
| CN104458141A (en) * | 2014-12-09 | 2015-03-25 | 湘潭电机股份有限公司 | Dynamic and static seal test device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091715A (en) * | 2017-06-13 | 2017-08-25 | 昆山富通电子有限公司 | A kind of side leakage experimental rig for electric motor end cap |
| CN108918046A (en) * | 2018-06-06 | 2018-11-30 | 南京航空航天大学 | Hot disk edge obturages leakage characteristics experimental rig and method |
| CN108918046B (en) * | 2018-06-06 | 2019-10-11 | 南京航空航天大学 | Hot disk edge obturages leakage characteristics experimental rig and method |
| CN110487485A (en) * | 2019-09-23 | 2019-11-22 | 贵州龙飞航空附件有限公司 | A kind of tooling and detection method of testing product chrome layer quality |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150805 |