CN205304462U - Explosion -proof three -phase asynchronous motor of high heat dissipation type - Google Patents
Explosion -proof three -phase asynchronous motor of high heat dissipation type Download PDFInfo
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- CN205304462U CN205304462U CN201521038575.9U CN201521038575U CN205304462U CN 205304462 U CN205304462 U CN 205304462U CN 201521038575 U CN201521038575 U CN 201521038575U CN 205304462 U CN205304462 U CN 205304462U
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Abstract
The utility model discloses an explosion -proof three -phase asynchronous motor of high heat dissipation type installs stator core in the frame, install the rotor with stator core matched with in stator core, all is fixed with the end links at the both ends of rotor, is equipped with a plurality of rotor fan blades along the circumferencial direction on two end links, orientation or rear are to diminishing gradually forward along the width of circumferencial direction from the end links for the rotor fan blade, and inslot outside stator core on the circumference is equipped with the gusset, the muscle plate thickness equals the degree of depth in groove, stator core's external conjugate diameter equals the diameter of the cylindrical cavity of frame, the utility model provides a V type ring protective capacities on the original motor bearing poor, moist dust can make lubricating grease become invalid inside the contact surface with the bearing through V type ring enters into the motor easily for a long time, problem that the flame proof face harmd.
Description
Technical field
This utility model relates to a kind of fire-proof motor technical field, particularly relates to a kind of heat dissipation type high flame-proof electric motor.
Background technology
Fire-proof motor generally adopts thicker plane end cap to reach resistance to quick-fried requirement of strength, although so meeting requirement of explosion proof, but its structure comparison is heavy, and affects the transmission of motor internal heat, and its dismounting is bothersome especially, and manufacturing cost is also high. The rotor of IC411 type of cooling motor internal and stator core close contact do not have ventilating duct radially, and the heat that motor internal sends can only can be only achieved the outer surface of support and end cap through multiple layers transmission, finally carries out heat exchange with surrounding air again and dispels the heat; Stator core is that its outer surface being made that gathered into folds by multiple punchings is originally irregular, can not be fully contacted with support, the heat that stator core produces is delivered to the ability of support and declines, it is thus desirable to its outer surface is processed grinding process, but the cramp generally ratio that plays fixing punching effect is relatively thin, it is easy to disconnect in operation engineering and makes punching scatter. On the other hand, the V-type ring protective capacities on motor bearing structure is poor, if run for a long time in the environment that damp dust is many, moist dust enters into Bearing inner easily via joint face, and even explosion suppresion surface position can make grease lose efficacy for a long time, explosion suppresion surface damages, and affects explosion-proof performance.
Summary of the invention
This utility model is solve the relatively low problem affecting explosion-proof performance of radiating efficiency of fire-proof motor in prior art to propose a kind of heat dissipation type high explosion-proof three-phase asynchronous motor. technical solution adopted in the utility model is: a kind of heat dissipation type high explosion-proof three-phase asynchronous motor, support including the cylindrical cavity of inwall, drive end bearing bracket and fore bearing enclosing cover it is sequentially installed with in direction from back to front, the front end of support, rear end cap and rear bearing enclosing cover it is sequentially installed with in direction from front to back, the rear end of support, stator core is installed in support, the rotor matched with stator core is installed in stator core, it is respectively and fixedly provided with end ring at the two ends of rotor, two end ring are along the circumferential direction provided with multiple rotor fan blade, described rotor fan blade width along the circumferential direction is from end ring position forward direction or rear to tapering into, it is provided with gusset in groove on stator core excircle, the thickness of described gusset is equal to the degree of depth of groove, the overall diameter of described stator core is equal to the diameter of support cylindrical cavity.
Further, the edge of described drive end bearing bracket and rear end cap is arcwall face, and the front and back of drive end bearing bracket, rear end cap front and back on be equipped with radiating ribs.
Further, between fore bearing enclosing cover and bearing, spring sealed circle between rear bearing enclosing cover and bearing, it is mounted on.
Further, the contact surface of fore bearing enclosing cover and drive end bearing bracket is provided with 1 ~ 3 annular groove that diameter does not wait, the contact surface of rear bearing enclosing cover and rear end cap is provided with diameter 1 ~ 3 annular groove not etc., rubber seal is installed in annular groove.
A kind of heat dissipation type high explosion-proof three-phase asynchronous motor is achieved based on above improvement, the advantage of this motor is: by (1) lower thickness by original plane end cap, then its edge is set to arcwall face and welds radiating ribs in interior outside thus accelerating the speed of motor interior heat and extraneous exchange; (2) fastening piece structure original for stator core is changed into gusset and the outer surface of stator core is processed so as to be fully contacted with support cylindrical cavity thus adding the heat transferring contact area of stator core and support; (3) on the end ring of two ends of rotor, being welded with multiple rotor fan blade accelerating the flowing of motor interior heat thus accelerating heat radiation; (4) spring sealed circle and rubber seal are set on bearing end cover, solve the V-type ring protective capacities on original bearing of motor poor, moist dust enters into motor interior easily by the contact surface with bearing of V-type ring, and grease can be made for a long time to lose efficacy, the problem of explosion suppresion surface damage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of Fig. 1 rotor;
Fig. 3 is the structural representation of drive end bearing bracket in Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the right view of Fig. 3;
Fig. 6 is the structural representation in Fig. 1 after the amplification of fore bearing enclosing cover;
Fig. 7 is the left view of fore bearing enclosing cover in Fig. 6;
Fig. 8 is the right view of fore bearing enclosing cover in Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described.
As shown in Figure 1, a kind of heat dissipation type high explosion-proof three-phase asynchronous motor, support 7 including the cylindrical cavity of inwall, in the front end of support 7, direction from back to front is sequentially installed with drive end bearing bracket 2 and fore bearing enclosing cover 1, rear end cap 5 and rear bearing enclosing cover 6 it is sequentially installed with in direction from front to back, the rear end of support 7, stator core 3 is installed in support 7, in the groove on stator core 3 excircle manufactured after punching laminates, (being fastening piece structure originally) is provided with gusset (for marking in figure), the thickness of described gusset is equal to the degree of depth of groove, the outer surface of the outer surface of described gusset and stator core 4 is positioned on a periphery, described stator core 4 outer surface diameter is equal to the diameter of support 7 cylindrical cavity, the rotor 4 matched with stator core 3 is installed in stator core 3, as shown in Figure 2, being welded with multiple rotor fan blade 9 on the end ring 8 at rotor 4 two ends, described rotor fan blade 9 tapers into rotor lateral direction along the width of rotor 4 circumferencial direction from end ring 8, as shown in Figure 3, the edge of described drive end bearing bracket 2 is arcwall face, and radiating ribs 11 and radiating ribs 12 it is provided with in the front and back of drive end bearing bracket 2, as shown in Fig. 4 to Fig. 5, on drive end bearing bracket 2 front end face, the position of lateral bend is provided with radiating ribs 11 backward, on drive end bearing bracket 2 rear end face, the position of forward side bending is provided with radiating ribs 12, the structure of described rear end cap 5 and drive end bearing bracket 2 symmetrically property,As shown in Figure 6 to 8, spring sealed circle 13 it is mounted between fore bearing enclosing cover 1 and bearing 14, between rear bearing enclosing cover 6 and bearing 14, the surface contacted with drive end bearing bracket 2 on fore bearing enclosing cover 1 is provided with 1 ~ 3 annular groove that diameter does not wait, the surface that rear bearing enclosing cover 6 contacts with rear end cap 5 is provided with 1 ~ 3 annular groove that diameter does not wait, in annular groove, is mounted on sealing rubber ring 15.
Its edge by the lower thickness of original plane end cap by (1), is then set to arcwall face and welds radiating ribs in interior outside thus accelerating the speed of motor interior heat and extraneous exchange by this motor; (2) fastening piece structure original for stator core is changed into gusset and the outer surface of stator core is processed so as to be fully contacted with support cylindrical cavity thus adding the heat transferring contact area of stator core and support; (3) on the end ring of two ends of rotor, being welded with multiple rotor fan blade accelerating the flowing of motor interior heat thus accelerating heat radiation; (4) spring sealed circle and rubber seal are set on bearing end cover, solve the V-type ring protective capacities on original bearing of motor poor, moist dust enters into motor interior easily by the contact surface with bearing of V-type ring, grease can be made for a long time to lose efficacy, the problem of explosion suppresion surface damage, achieves a kind of heat dissipation type high explosion-proof three-phase asynchronous motor based on above improvement.
Claims (4)
1. a heat dissipation type high explosion-proof three-phase asynchronous motor, support including the cylindrical cavity of inwall, drive end bearing bracket and fore bearing enclosing cover it is sequentially installed with in direction from back to front, the front end of support, rear end cap and rear bearing enclosing cover it is sequentially installed with in direction from front to back, the rear end of support, it is characterized in that, stator core is installed in support, the rotor matched with stator core is installed in stator core, it is respectively and fixedly provided with end ring at the two ends of rotor, two end ring are along the circumferential direction provided with multiple rotor fan blade, described rotor fan blade width along the circumferential direction is from end ring position forward direction or rear to tapering into, it is provided with gusset in groove on stator core excircle, the thickness of described gusset is equal to the degree of depth of groove, the overall diameter of described stator core is equal to the diameter of support cylindrical cavity.
2. heat dissipation type high explosion-proof three-phase asynchronous motor according to claim 1, it is characterised in that the edge of described drive end bearing bracket and rear end cap is arcwall face, and the front and back of drive end bearing bracket, rear end cap front and back on be equipped with radiating ribs.
3. heat dissipation type high explosion-proof three-phase asynchronous motor according to claim 1, it is characterised in that be mounted on spring sealed circle between fore bearing enclosing cover and bearing, between rear bearing enclosing cover and bearing.
4. the heat dissipation type high explosion-proof three-phase asynchronous motor according to any one of claims 1 to 3, it is characterized in that, the fore bearing enclosing cover contact surface with drive end bearing bracket is provided with 1 ~ 3 annular groove that diameter does not wait, the contact surface of rear bearing enclosing cover and rear end cap is provided with diameter 1 ~ 3 annular groove not etc., rubber seal is installed in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038575.9U CN205304462U (en) | 2015-12-15 | 2015-12-15 | Explosion -proof three -phase asynchronous motor of high heat dissipation type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038575.9U CN205304462U (en) | 2015-12-15 | 2015-12-15 | Explosion -proof three -phase asynchronous motor of high heat dissipation type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304462U true CN205304462U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038575.9U Active CN205304462U (en) | 2015-12-15 | 2015-12-15 | Explosion -proof three -phase asynchronous motor of high heat dissipation type |
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| CN (1) | CN205304462U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356649A (en) * | 2015-12-15 | 2016-02-24 | 卧龙电气南阳防爆集团股份有限公司 | High-heat-dissipation explosion-proof three-phase asynchronous motor |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
-
2015
- 2015-12-15 CN CN201521038575.9U patent/CN205304462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356649A (en) * | 2015-12-15 | 2016-02-24 | 卧龙电气南阳防爆集团股份有限公司 | High-heat-dissipation explosion-proof three-phase asynchronous motor |
| CN107040108A (en) * | 2017-06-26 | 2017-08-11 | 中煤科工集团重庆研究院有限公司 | Coal mine belt conveyor high-pressure explosion-proof type three-phase asynchronous |
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| GR01 | Patent grant |