CN204046320U - A kind of bell-type annealer coil bases circulating fan frequency control motor - Google Patents
A kind of bell-type annealer coil bases circulating fan frequency control motor Download PDFInfo
- Publication number
- CN204046320U CN204046320U CN201420545420.3U CN201420545420U CN204046320U CN 204046320 U CN204046320 U CN 204046320U CN 201420545420 U CN201420545420 U CN 201420545420U CN 204046320 U CN204046320 U CN 204046320U
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- rear end
- bearing
- bell
- circulating fan
- frequency control
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Abstract
A kind of bell-type annealer coil bases circulating fan frequency control motor, it relates to a kind of frequency modulation motor.The purpose of this utility model is discontinuous in order to solve motor cooling procedure of the prior art, and cooling effect is poor, the problem of motor operation stability difference.Front end bearing chamber is surrounded by front end housing and front end internal bearing cover, single deep groove ball bearing is provided with in bearing chamber, rear end bearing room is surrounded by rear end cap and gland, rear end bearing indoor are provided with two deep groove ball bearing, two deep groove ball bearing is arranged with damping ring, front end bearing chamber is embedded in coolant jacket, chassis sidewall comprises outer wall and inwall, cooling fluid is filled in cavity between outer wall and inwall, the rear end of cavity is sealed by rear end cap, the front end of cavity is connected by some interconnecting parts and coolant jacket are through, interconnecting part is through front end housing, chassis sidewall is provided with cooling fluid entrance and cooling liquid outlet.The cold cooling fluid that makes of the utility model is fully used, and service behaviour is more stable.
Description
Technical field
The utility model relates to a kind of frequency modulation motor, is specifically related to a kind of bell-type annealer coil bases circulating fan frequency control motor, belongs to annealing furnace machine field.
Background technology
Bell furnace is widely used among weary oxygen in heat treatment industry and anaerobic busbar bright annealing technology.Protective gas is filled with in bell furnace stove; prevention bell-type furnace coil base blower fan is directly installed on the table of annealing furnace; the effect of table blower fan is the protective gas forced circulation made by the rotation of blower fan in stove; thus temperature homogeneity in raising stove and improve the transfer rate of heat, to improve heat treated product quality and to shorten the production cycle, enhance productivity.Table blower fan is one of core component of bell furnace system.Table blower fan wants motor to have higher seal, motor-shaft extending can steady in a long-termly under the condition of High Temperature And Velocity run, and simultaneously according to Technology for Heating Processing requirement, can export different air quantity and blast at different period blower fans.At present, circulating fan motor coolant jacket cooling procedure used is discontinuous, and cooling effect is poor, motor fluctuation of service.
Utility model content
The purpose of this utility model is discontinuous in order to solve motor cooling procedure of the prior art, and cooling effect is poor, the problem of motor operation stability difference.
The technical solution of the utility model is: a kind of bell-type annealer coil bases circulating fan frequency control motor, comprise casing, main shaft and impeller, described casing comprises chassis sidewall, is arranged on the front end housing of casing front end, is arranged on the rear end cap of casing rear end and gland, rotor, stator, front end bearing chamber and rear end bearing room is provided with in casing, described impeller is placed in insulating layer of furnace body, casing is placed in outside insulating layer of furnace body, front-end of spindle connects through insulating layer of furnace body and impeller, and the junction of described front end housing and main shaft is provided with coolant jacket;
Described front end bearing chamber is surrounded by front end housing and front end internal bearing cover, single deep groove ball bearing is provided with in bearing chamber, described rear end bearing room is surrounded by rear end cap and gland, described rear end bearing indoor are provided with two deep groove ball bearing, described pair of deep groove ball bearing is arranged with damping ring, described front end bearing chamber is embedded in coolant jacket, described chassis sidewall comprises outer wall and inwall, cooling fluid is filled in cavity between outer wall and inwall, the rear end of described cavity is sealed by rear end cap, the front end of cavity is connected by some interconnecting parts and coolant jacket are through, described interconnecting part is through front end housing, described chassis sidewall is provided with cooling fluid entrance and cooling liquid outlet.
Described interconnecting part is arranged along the even annular array of chassis sidewall, makes cooling fluid uniform circulation, reaches the object of fully cooling.
Speed probe and variable frequency power source is provided with in described casing, described speed probe is connected by the input of data wire and external PLC, the output of PLC is connected by wire and variable frequency power source, can with monitoring, regulate the frequency of motor as required, increase work efficiency.
Described rear end bearing indoor are provided with disk spring, and the change of the distance between bearings that the axial geometrical variations that effectively can absorb the motor shaft caused when hot operation due to motor-shaft extending causes, applies suitable pretightning force to bearing.
The front end of described coolant jacket is provided with dust blocking tray, prevents the dust foreign material in stove from entering motor internal, affects the normal operation of motor.
The junction of described main shaft and impeller is taper, and tapering is 1:5, not only makes to be connected between main shaft with impeller more firm, and is convenient to dismounting.
Described coolant jacket intercalation enters in insulating layer of furnace body, shortens the length of shaft of motor as far as possible, the mechanical strength of main shaft is improved, thus solve motor main shaft under the high temperature conditions High Rotation Speed time, mechanical strength is low, holds flexible problem.
The utility model compared with prior art has following effect: be single deep groove ball bearing in the bearing chamber of described front end, rear end bearing indoor are two deep groove ball bearings, the load of the bearing of balancing front-ends and rear end bearing indoor, not only extend the useful life of deep groove ball bearing, and it is more steady to make motor run, the damping ring of rear end bearing indoor can reduce the slip that electric motor starting makes bearing outer ring in bearing chamber, reduce the rate of wear of bearing chamber, front end bearing chamber embeds in coolant jacket, single deep groove ball bearing of front end is operated under close to the operational environment of normal temperature, coolant jacket forms Integral cooling structure by the cavity of interconnecting part and chassis sidewall, cooling fluid is made to obtain abundant circulation, whole motor is all in cooler environment, the circulation of cooling fluid only just can be reached by a cooling liquid inlet and cooling liquid outlet, not only energy-conservation, and it is easy to operate.
Accompanying drawing explanation
Fig. 1 is the main cutaway view of overall structure of the present utility model;
Fig. 2 makes the zoomed-in view of rear end bearing cell structure of the present utility model;
Fig. 3 is the right view of Fig. 1.
In figure 1, main shaft, 2, dust blocking tray, 3, coolant jacket, 4, front end bearing chamber, 5, front end housing, 6, front end internal bearing cover, 7, rotor, 8, chassis sidewall, 8-1, outer wall, 8-2, inwall, 8-3, cavity, 8-4, interconnecting part, 8-5, cooling fluid entrance, 8-6, cooling liquid outlet, 9, stator, 10, speed probe, 11, two deep groove ball bearing, 12, rear end bearing room, 13, damping ring, 14, disk spring, 15, air inlet, 16, single deep groove ball bearing, 17, heat-insulation layer, 18, impeller, 19, rear end cap, 20, gland.
Embodiment
Accompanying drawings embodiment of the present utility model: a kind of bell-type annealer coil bases circulating fan frequency control motor of present embodiment, comprise casing, main shaft 1 and impeller 18, , described casing comprises chassis sidewall 8, be arranged on the front end housing 5 of casing front end, be arranged on the rear end cap 19 of casing rear end, gland 20 and air inlet 15, rotor 7 is provided with in casing, stator 9, front end bearing chamber 4 and rear end bearing room 12, described impeller 18 is placed in insulating layer of furnace body 17, casing is placed in outside insulating layer of furnace body 17, main shaft 1 front end connects through insulating layer of furnace body 17 and impeller 18, described front end housing 5 is provided with coolant jacket 3 with the junction of main shaft 1,
Described front end bearing chamber 4 is surrounded by front end housing 5 and front end internal bearing cover 6, single deep groove ball bearing 16 is provided with in bearing chamber 4, described rear end bearing room 12 is surrounded by rear end cap 19 and gland 20, two deep groove ball bearing 11 is provided with in described rear end bearing room 12, described pair of deep groove ball bearing 11 is arranged with damping ring 13, described front end bearing chamber 4 is embedded in coolant jacket 3, described chassis sidewall 8 comprises outer wall 8-1 and inwall 8-2, cooling fluid is filled in cavity 8-3 between outer wall 8-1 and inwall 8-2, the rear end of described cavity 8-3 is sealed by rear end cap 19, the front end of cavity 8-3 is connected with coolant jacket 3 is through by some interconnecting part 8-4, described interconnecting part 8-4 is through front end housing 5, described chassis sidewall 8 is provided with cooling fluid entrance 8-5 and cooling liquid outlet 8-6.
Described interconnecting part 8-4 is along chassis sidewall 8 evenly annular array setting.
Be provided with speed probe 10 and variable frequency power source in described casing, described speed probe 10 is connected by the input of data wire and external PLC, and the output of PLC is connected by wire and variable frequency power source.
Disk spring 14 is provided with in described rear end bearing room 12.
The front end of described coolant jacket 3 is provided with dust blocking tray 2.
Described main shaft 1 is taper with the junction of impeller 18, and tapering is 1:5.
The intercalation of described coolant jacket 3 enters in insulating layer of furnace body 17.
Described resistant to elevated temperatures main shaft 1 adopts resistant to elevated temperatures heat-resisting alloy steel to make, after described coolant jacket 3 adopts seamless steel pipe to weld, by front end housing flange after rough turn and finish turning are processed, in direct embedding table heat-insulation layer 3, front end bearing chamber 4 welds with front end housing 5 after also adopting steel plate to weld with seamless steel pipe again, process through finish turning, front end housing 5 is provided with air vent hole makes motor interior pressure and furnace pressure keep balancing.Front end internal bearing cover 6 is provided with oil storage tank and is used for storing waste oil.
Claims (7)
1. a bell-type annealer coil bases circulating fan frequency control motor, comprise casing, main shaft (1) and impeller (18), described casing comprises chassis sidewall (8), be arranged on the front end housing (5) of casing front end, be arranged on rear end cap (19) and the gland (20) of casing rear end, rotor (7) is provided with in casing, stator (9), front end bearing chamber (4) and rear end bearing room (12), described impeller (18) is placed in insulating layer of furnace body (17), casing is placed in insulating layer of furnace body (17) outward, main shaft (1) front end connects through insulating layer of furnace body (17) and impeller (18), described front end housing (5) is provided with coolant jacket (3) with the junction of main shaft (1),
It is characterized in that: described front end bearing chamber (4) is surrounded by front end housing (5) and front end internal bearing cover (6), single deep groove ball bearing (16) is provided with in bearing chamber (4), described rear end bearing room (12) is surrounded by rear end cap (19) and gland (20), two deep groove ball bearing (11) is provided with in described rear end bearing room (12), described pair of deep groove ball bearing (11) is arranged with damping ring (13), described front end bearing chamber (4) is embedded in coolant jacket (3), described chassis sidewall (8) comprises outer wall (8-1) and inwall (8-2), cooling fluid is filled in cavity (8-3) between outer wall (8-1) and inwall (8-2), the rear end of described cavity (8-3) is sealed by rear end cap (19), the front end of cavity (8-3) is connected with coolant jacket (3) is through by some interconnecting parts (8-4), described interconnecting part (8-4) is through front end housing (5), described chassis sidewall (8) is provided with cooling fluid entrance (8-5) and cooling liquid outlet (8-6).
2. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 1, is characterized in that: described interconnecting part (8-4) along chassis sidewall (8) evenly annular array arrange.
3. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 2, it is characterized in that: in described casing, be provided with speed probe (10) and variable frequency power source, described speed probe (10) is connected by the input of data wire and external PLC, and the output of PLC is connected by wire and variable frequency power source.
4. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 3, is characterized in that: be provided with disk spring (14) in described rear end bearing room (12).
5. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 4, is characterized in that: the front end of described coolant jacket (3) is provided with dust blocking tray (2).
6. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 5, is characterized in that: described main shaft (1) is taper with the junction of impeller (18), and tapering is 1:5.
7. a kind of bell-type annealer coil bases circulating fan frequency control motor according to claim 6, is characterized in that: described coolant jacket (3) intercalation enters in insulating layer of furnace body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545420.3U CN204046320U (en) | 2014-09-22 | 2014-09-22 | A kind of bell-type annealer coil bases circulating fan frequency control motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420545420.3U CN204046320U (en) | 2014-09-22 | 2014-09-22 | A kind of bell-type annealer coil bases circulating fan frequency control motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046320U true CN204046320U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420545420.3U Expired - Fee Related CN204046320U (en) | 2014-09-22 | 2014-09-22 | A kind of bell-type annealer coil bases circulating fan frequency control motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371242A (en) * | 2020-03-06 | 2020-07-03 | 山东中航泰达复合材料有限公司 | Novel motor device for high-temperature furnace and cooling method |
-
2014
- 2014-09-22 CN CN201420545420.3U patent/CN204046320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371242A (en) * | 2020-03-06 | 2020-07-03 | 山东中航泰达复合材料有限公司 | Novel motor device for high-temperature furnace and cooling method |
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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: 20141224 Termination date: 20150922 |
|
| EXPY | Termination of patent right or utility model |