CN202190198U - Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level - Google Patents
Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level Download PDFInfo
- Publication number
- CN202190198U CN202190198U CN2011202991208U CN201120299120U CN202190198U CN 202190198 U CN202190198 U CN 202190198U CN 2011202991208 U CN2011202991208 U CN 2011202991208U CN 201120299120 U CN201120299120 U CN 201120299120U CN 202190198 U CN202190198 U CN 202190198U
- Authority
- CN
- China
- Prior art keywords
- bearing
- end cap
- support
- diict4
- explosionproof
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses an explosionproof three-phase asynchronous motor satisfying requirements of a dIICT4 explosionrproof level. The explosionproof three-phase asynchronous motor includes an engine base equipped with a stator, a rotor, and a spindle. Two ends of the spindle are provided with bearings. Two ends of the engine base are both provided with end caps. The bearings are both arranged in the end caps and between bearing inner covers and bearing outer covers. The top of the engine base connects with a junction box through a junction box support. The bearing inner covers and the end caps are connected in a rabbet structure. The junction box support and a junction box base are connected in a rabbet explosionproof structure. A fit clearance between the engine base and a end cap rabbet part is 0.15 mm to the maximum. The end caps and bearing inner covers of spindle bearings are connected in a rabbet explosionproof structure. A fit clearance between the spindle and the bearing inner covers is 0.3 mm to the maximum. The bearing inner covers and the end caps are in an interference fit. The explosionproof three-phase asynchronous motor satisfying the requirements of the dIICT4 explosionrproof level in the utility model is the explosionproof three-phase asynchronous motor that satisfies the requirements of the dIICT4 explosionrproof level.
Description
Technical field
The utility model belongs to technical field of motors, especially a kind of flame-proof type threephase asynchronous that satisfies the dIICT4 explosion proof ratings.
Background technology
In technique known, the flame-proof type threephase asynchronous only is applicable to the product of ExdI, two kinds of explosion proof ratings of ExdIIBT4, also is not adapted to the product of ExdIICT4 explosion proof ratings.
The utility model content
The purpose of the utility model provides a kind of flame-proof type threephase asynchronous of the dIICT4 of satisfying explosion proof ratings.
For realizing above-mentioned purpose, the utility model adopts following technical scheme: a kind of flame-proof type threephase asynchronous of the dIICT4 of satisfying explosion proof ratings, the support of setting, rotor and rotating shaft in comprising; The rotating shaft two ends are equipped with bearing; The support two ends all are provided with end cap, and each bearing all is arranged in the end cap and between internal bearing cover and the bearing end cover, the support top connects terminal box through the terminal box bearing; The support front end is the rotating shaft output; The support rear end is provided with fan and fan housing, and internal bearing cover is that fixing structure is connected with end cap, and the terminal box bearing is connected for the seam explosion separation structure with junction box seat; Support and end cap seam part fit clearance are 0.15mm to the maximum; The internal bearing cover of end cap and shaft bearing is connected for the seam explosion separation structure, and the fit clearance between axle and the internal bearing cover is 0.3mm to the maximum, and internal bearing cover and end cap are interference fit.
The diameter of bore tolerance range of corresponding bearing is+0.025/0 on the end cap, and the shaft section diameter tolerance range that is plugged in the internal bearing cover is-0.26/-0.28 the tolerance range of the interior hole dimension of internal bearing cover+0.02/0.
The utility model is through the syndeton of the internal bearing cover of syndeton, end cap and the shaft bearing of change terminal box bearing and terminal box; Dwindle the fit clearance between fit clearance, axle and the internal bearing cover of support and end cap seam part and change internal bearing cover and end cap into interference fit, the structure that makes the serial flame-proof type threephase asynchronous of YB3-63-355 is compactness and satisfy the requirement of ExdIICT4 explosion proof ratings more.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
By a kind of flame-proof type threephase asynchronous that satisfies the dIICT4 explosion proof ratings shown in Figure 1, set the support 7 of son 8, rotor 9 and rotating shaft 18 in comprising, rotating shaft 18 two ends are equipped with bearing 15; Support 7 two ends all are provided with end cap 11; Each bearing 15 all is arranged in the end cap 11 and between internal bearing cover 10 and the bearing end cover 12, support 7 tops connect terminal box 6 through terminal box bearing 17, and support 7 front ends are rotating shaft 18 outputs; Support 7 rear ends are provided with external fan 13 and fan housing 14; Internal bearing cover 10 and end cap 11 are for fixing structure is connected, and terminal box bearing 17 is connected for the seam explosion separation structure with junction box seat 16, and terminal box 6 is arranged on the junction box seat 16; Support 7 is 0.15mm to the maximum (promptly≤0.15mm) with end cap 11 seam part fit clearances; The internal bearing cover 10 of end cap 11 and shaft bearing 15 is connected for the seam explosion separation structure, and the fit clearance between axle and the internal bearing cover 10 is 0.3mm to the maximum, and (promptly≤0.3mm), internal bearing cover 10 is an interference fit with end cap 11.The diameter of bore tolerance range of corresponding bearing 15 is+0.025/0 on the end cap 11; The shaft section diameter tolerance range that is plugged in the internal bearing cover 10 is-0.26/-0.28; The tolerance range of the interior hole dimension of internal bearing cover 10+0.02/0, the endoporus of internal bearing cover 10 are the endoporus of interspersed rotating shaft 18.Bearing 15 is normal play bearing 15.Wherein, Sequence number 1 is the seam flameproof joint of line box bearing and junction box seat 16; Sequence number 2 is the seam explosion suppresion surface of support 7 and end cap 11, and sequence number 3 is the seam flameproof joint of end cap 11 and internal bearing cover 10, and sequence number 4 is the flameproof joint of the i.e. axle perforation of the faying face part between axle and the internal bearing cover 10; Sequence number 5 is the interference fit part of internal bearing cover 10 and end cap 11, i.e. internal bearing cover 10 seams and bearing 15 indoor footpath slight interference mating parts.Said fixing structure is located for ease of two workpiece, on two workpiece, processes the boss or the pit that are used to combine respectively, and passes through the structure of boss or pit combination, and fixing structure is a prior art, so be not described in detail.
Present embodiment is the improvement of on the basis of YB3-63-280 ExdIIBT4 motor, making; Again design the terminal box bearing 17 and junction box seat 16 structures of support 7; Become original plane flame proof and change the seam flame proof, design the structure of end cap 11 and internal bearing cover 10 again, become original plane flame proof and be the seam flame proof; Change original support 7 into maximum 0.15mm with end cap 11 seam part gaps by maximum 0.2mm; The gap of the i.e. axle perforation of the fit clearance between axle and the internal bearing cover 10 part changes maximum 0.3mm into by maximum 0.4mm, verifies all flameproof joints, satisfies the requirement of ExdIICT4 explosion proof ratings.The YB3-315-355 motor; Taking on the basis of above measure; Be that the tolerance range of bearing 15 Room diameters changes (+0.025/0) into by original (+0.046/0) with the diameter of bore tolerance range of corresponding bearing 15 on the end cap 11 again; Internal bearing cover 10 and the diameter of end cap 11 are that internal bearing cover 10 seams change slight interference with bearing 15 Room diameters into by original matched in clearance and cooperate; The shaft section diameter that is plugged in the internal bearing cover 10 is tolerance range (0.20/-0.24) the changing into (0.26/-0.28) by general dIICT4 motor of 10 diameters of axle upper bearing (metal) inner cap; The tolerance range of hole dimension changes (+0.02/0) into by (+0.06/0) in the internal bearing cover 10, and bearing 15 changes normal play bearing 15 into by C3 play bearing 15, reduces because the seize fault appears in the dIICT4 explosion proof ratings owing to the gap is too small.
Claims (2)
1. a flame-proof type threephase asynchronous that satisfies the dIICT4 explosion proof ratings comprises the interior support of setting son, rotor and rotating shaft, and the rotating shaft two ends are equipped with bearing; The support two ends all are provided with end cap, and each bearing all is arranged in the end cap and between internal bearing cover and the bearing end cover, the support top connects terminal box through the terminal box bearing; The support front end is the rotating shaft output; The support rear end is provided with fan and fan housing, and internal bearing cover is that fixing structure is connected with end cap, it is characterized in that: the terminal box bearing is connected for the seam explosion separation structure with junction box seat; Support and end cap seam part fit clearance are 0.15mm to the maximum; The internal bearing cover of end cap and shaft bearing is connected for the seam explosion separation structure, and the fit clearance between axle and the internal bearing cover is 0.3mm to the maximum, and internal bearing cover and end cap are interference fit.
2. the flame-proof type threephase asynchronous that satisfies the dIICT4 explosion proof ratings as claimed in claim 1; It is characterized in that: the diameter of bore tolerance range of corresponding bearing is+0.025/0 on the end cap; The shaft section diameter tolerance range that is plugged in the internal bearing cover is-0.26/-0.28 the tolerance range of the interior hole dimension of internal bearing cover+0.02/0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202991208U CN202190198U (en) | 2011-08-17 | 2011-08-17 | Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202991208U CN202190198U (en) | 2011-08-17 | 2011-08-17 | Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190198U true CN202190198U (en) | 2012-04-11 |
Family
ID=45921631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202991208U Expired - Lifetime CN202190198U (en) | 2011-08-17 | 2011-08-17 | Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190198U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716769A (en) * | 2013-12-11 | 2015-06-17 | 东芝三菱电机产业系统株式会社 | Rotary motor |
| CN105680606A (en) * | 2016-04-19 | 2016-06-15 | 江苏华源防爆电机有限公司 | Flame-proof structure of flame-proof motor |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN108054857A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of explosion-proof motor structure suitable for different explosive-proof gradves |
-
2011
- 2011-08-17 CN CN2011202991208U patent/CN202190198U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716769A (en) * | 2013-12-11 | 2015-06-17 | 东芝三菱电机产业系统株式会社 | Rotary motor |
| CN104716769B (en) * | 2013-12-11 | 2017-05-31 | 东芝三菱电机产业系统株式会社 | Electric rotating machine |
| CN105680606A (en) * | 2016-04-19 | 2016-06-15 | 江苏华源防爆电机有限公司 | Flame-proof structure of flame-proof motor |
| CN107342647A (en) * | 2017-07-28 | 2017-11-10 | 卧龙电气集团股份有限公司 | A kind of composite anti-explosion type threephase asynchronous |
| CN108054857A (en) * | 2017-12-19 | 2018-05-18 | 卧龙电气集团股份有限公司 | A kind of explosion-proof motor structure suitable for different explosive-proof gradves |
| CN108054857B (en) * | 2017-12-19 | 2023-07-28 | 卧龙电气驱动集团股份有限公司 | Flameproof motor structure suitable for different explosion-proof grades |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202190198U (en) | Explosionproof three-phase asynchrounous motor satisfying requirement of dIICT4 explosionrproof level | |
| EP1999839A4 (en) | Wind turbine | |
| CN204465284U (en) | A kind of Flame-Proof Three-Phase Induction Motors | |
| CN202334080U (en) | Explosion-proof motor | |
| CN106787566A (en) | A kind of permasyn morot | |
| CN207652169U (en) | A kind of high-power frequency conversion speed-regulating asynchronous motor of strong applicability | |
| CN202759320U (en) | Explosion-proof device for reluctance motor | |
| CN204906018U (en) | Stator assembly of motor, lampblack absorber and motor | |
| CN201742208U (en) | Flame-proof structure of flameproof electric motor | |
| CN202798395U (en) | High-efficiency three-phase asynchronous motor | |
| CN201388104Y (en) | Electric motor without end cover | |
| CN201639372U (en) | Micropump motor | |
| CN201315513Y (en) | Dust and explosion prevention three-phase asynchronous motor | |
| CN101521415A (en) | Low-power external rotor alternate current motor | |
| WO2007084334A3 (en) | Low cost hybrid stepping motor and method of manufacture | |
| CN204497929U (en) | Bimorph transducer variable-frequency control asynchronous motor | |
| CN102780354A (en) | High-efficiency three-phase asynchronous motor | |
| CN203377711U (en) | Integrated motor casing | |
| CN207782585U (en) | A kind of location structure of double superimposed motors | |
| CN207382082U (en) | A kind of flat wire generator unit stator assembly | |
| CN201839176U (en) | High-voltage flame-proof type three-phase asynchronous motor | |
| CN201726284U (en) | Explosion-proof type three-phase asynchronous motor | |
| CN207705941U (en) | The motor of integrated casing | |
| CN202276218U (en) | Motor | |
| CN215419856U (en) | Novel motor with good sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |