CN204013032U - A kind of double containment electricity main shaft - Google Patents
A kind of double containment electricity main shaft Download PDFInfo
- Publication number
- CN204013032U CN204013032U CN201420404853.7U CN201420404853U CN204013032U CN 204013032 U CN204013032 U CN 204013032U CN 201420404853 U CN201420404853 U CN 201420404853U CN 204013032 U CN204013032 U CN 204013032U
- Authority
- CN
- China
- Prior art keywords
- bearing
- main shaft
- casing
- cap
- end cap
- 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 - Fee Related
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a kind of double containment electricity main shaft, comprise casing, stator, rotor part and main shaft, before main shaft is provided with, rear bearing, in casing comprises, shell body, there is zigzag shape cooling duct on inner housing surface, casing front end has chimeric seal cover mutually, protecgulum, there is wire outlet seat rear end, between protecgulum and casing, there is end cap, there is bearing pedestal at rear bearing place, bearing pedestal one side has bearing cap, rear-end of spindle threaded engagement is positioned at the rear bearing nut of bearing cap, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct, on end cap, there is the connecting tube that communicates with cooling duct and connect end cover surface, end cap is circumferentially fixed the collar, the peripheral surface coordinating with the collar of end cap has the annular recess communicating with connecting tube, end cap front end is fixedly placed on the dust cover of main shaft, seal cover is positioned at dust cover.The utility model good heat dissipation effect, good sealing effect, ensures that electric main shaft uses for a long time, enhances productivity.
Description
Technical field
The utility model relates to a kind of double containment electricity main shaft, belongs to mechanical transmission.
Background technology
At present, electricity main shaft is due to High Rotation Speed, the water-cooling patterns that adopt cooling more, water-cooling pattern needs extra optional equipment, as water pump, water tank etc., existing water cooling plant is mounted in shell, easily there is leakage situation, leak once cooling, side is easy to burn electric main shaft, and prevention flow-guiding structure is set, complex structure, part is numerous, still can not thoroughly address the leakage concern, and improve production cost, and general cooling pipe is orthoscopic, cooling effect is bad, and current electric main shaft only adopts one sealing, sealing effectiveness is poor, the introduced contaminantses such as dust easily enter in electric main shaft chamber.
Summary of the invention
In order to address the above problem, the utility model provides a kind of double containment electricity main shaft, compact conformation, and good heat dissipation effect, cost is low, good sealing effect.
For achieving the above object, concrete scheme of the present utility model is:
A kind of double containment electricity main shaft, comprise casing, be positioned at the stator component of chassis cavity, rotor part and be positioned at the main shaft at chassis cavity center, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on casing inner wall, rotor part is installed on main shaft, casing comprises inner housing, be placed on the shell body of inner housing outer surface, there is zigzag shape cooling duct on inner housing surface, be provided with chimeric seal cover mutually at casing front end, protecgulum, between protecgulum and casing, be fixed with end cap, be fixed with wire outlet seat at casing rear end, there is the bearing pedestal that supports rear bearing at rear bearing place, bearing pedestal is fixed in casing, a side at bearing pedestal is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct, on end cap, there is the connecting tube that communicates with cooling duct and connect end cover surface, a collar is fixed in circumferentially closely cooperating of end cap, the peripheral surface coordinating with the collar at end cap has an annular recess, groove communicates with connecting tube, fix a dust cover that is placed on main shaft at the front end of end cap, seal cover is positioned at dust cover.
On wire outlet seat, be provided with the wire hole communicating with cavity.
On bearing pedestal, be provided with the wire guide communicating with chassis cavity and cavity.
Perforation end cover surface place at connecting tube is provided with plug.
The utility model good heat dissipation effect, cost is low, and good sealing effect can ensure that electric main shaft uses for a long time, enhances productivity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: casing 1, chassis cavity 1-1, inner housing 1-2, cooling duct 1-2-1, shell body 1-3, stator component 2, rotor part 3, main shaft 4, fore bearing 5, rear bearing 6, seal cover 7, protecgulum 8, end cap 9, connecting tube 9-1, groove 9-2, wire outlet seat 10, cooling water inlet 10-1, wire hole 10-2, bearing pedestal 11, wire guide 11-1, bearing cap 12, rear bearing nut 13, cavity 14, the collar 15, dust cover 16, plug 17.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1: referring to accompanying drawing 1, a kind of double containment electricity main shaft, comprise casing 1, be positioned at the stator component 2 of chassis cavity 1-1, rotor part 3 and be positioned at the main shaft 4 at chassis cavity 1-1 center, be respectively equipped with fore bearing 5 in the rear and front end of main shaft 4, rear bearing 6, stator component 2 is installed on casing 1 inwall, rotor part 3 is installed on main shaft 4, casing 1 comprises inner housing 1-2, be placed on the shell body 1-3 of inner housing 1-2 outer surface, there is zigzag shape cooling duct 1-2-1 on inner housing 1-2 surface, be provided with chimeric seal cover 7 mutually at casing 1 front end, protecgulum 8, between protecgulum 8 and casing 1, be fixed with end cap 9, be fixed with wire outlet seat 10 in casing 1 rear end, there is the bearing pedestal 11 that supports rear bearing 6 at rear bearing 6 places, bearing pedestal 11 is fixed on casing 1, a side at bearing pedestal 11 is fixed with bearing cap 12, at main shaft 4 rear end threaded engagement one rear bearing nuts 13, rear bearing nut 13 is positioned at bearing cap 12, the front end of rear bearing nut 13 withstands on the side of rear bearing 6, between bearing cap 12 and wire outlet seat 10, there is cavity 14, on wire outlet seat 10, there is the cooling water inlet 10-1 communicating with cooling duct 1-2-1, on end cap 9, there is the connecting tube 9-1 that communicates with cooling duct 1-2-1 and connect end cap 9 surfaces, a collar 15 is fixed in circumferentially closely cooperating of end cap 9, the peripheral surface coordinating with the collar 15 at end cap 9 has an annular recess 9-2, groove 9-2 communicates with connecting tube 9-1, fix a dust cover 16 that is placed on main shaft 4 at the front end of end cap 9, seal cover 7 is positioned at dust cover 16.
On wire outlet seat 10, be provided with the wire hole 10-2 communicating with cavity 14.
On bearing pedestal 11, be provided with the wire guide 11-1 communicating with chassis cavity 1-1 and cavity 14.
Perforation end cap 9 surfaces at connecting tube 9-1 are provided with plug 17.
The utility model is in the time of work, main shaft 4 rotary works, the cooling water inlet 10-1 of cooling water on wire outlet seat 10 enters cooling duct 1-2-1, last cooling water enters groove 9-2 through the connecting tube 9-1 of end cap 9, can overall cooled rotor parts 3 and main shaft 4, good heat dissipation effect, improves the operating efficiency of electric main shaft greatly.Shift out plug 17, cooling water can be discharged by the end of the connecting tube 9-1 of end cap 9; Wire hole 10-2 on the wire guide 11-1 of power line on bearing pedestal 11, cavity 14, wire outlet seat 10 draws with frequency converter and is connected, and the wire hole 10-2 on the wire guide 11-1 of temperature control line on bearing pedestal 11, cavity 14, wire outlet seat 10 draws with temperature-control protector and is connected.
The utility model adopts seal cover 7 and dust cover 16 double containments, effectively dustproof, good sealing effect.
Claims (4)
1. a double containment electricity main shaft, comprise casing, be positioned at the stator component of chassis cavity, rotor part and be positioned at the main shaft at chassis cavity center, rear and front end at main shaft is respectively equipped with fore bearing, rear bearing, stator component is installed on casing inner wall, rotor part is installed on main shaft, it is characterized in that: casing comprises inner housing, be placed on the shell body of inner housing outer surface, there is zigzag shape cooling duct on inner housing surface, be provided with chimeric seal cover mutually at casing front end, protecgulum, between protecgulum and casing, be fixed with end cap, be fixed with wire outlet seat at casing rear end, there is the bearing pedestal that supports rear bearing at rear bearing place, bearing pedestal is fixed in casing, a side at bearing pedestal is fixed with bearing cap, at rear-end of spindle threaded engagement one rear bearing nut, rear bearing nut is positioned at bearing cap, the front end of rear bearing nut withstands on the side of rear bearing, between bearing cap and wire outlet seat, there is cavity, on wire outlet seat, there is the cooling water inlet communicating with cooling duct, on end cap, there is the connecting tube that communicates with cooling duct and connect end cover surface, a collar is fixed in circumferentially closely cooperating of end cap, the peripheral surface coordinating with the collar at end cap has an annular recess, groove communicates with connecting tube, fix a dust cover that is placed on main shaft at the front end of end cap, seal cover is positioned at dust cover.
2. double containment electricity main shaft according to claim 1, is characterized in that: on wire outlet seat, be provided with the wire hole communicating with cavity.
3. double containment electricity main shaft according to claim 1 and 2, is characterized in that: on bearing pedestal, be provided with the wire guide communicating with chassis cavity and cavity.
4. double containment electricity main shaft according to claim 1 and 2, is characterized in that: the perforation end cover surface place at connecting tube is provided with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404853.7U CN204013032U (en) | 2014-07-22 | 2014-07-22 | A kind of double containment electricity main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404853.7U CN204013032U (en) | 2014-07-22 | 2014-07-22 | A kind of double containment electricity main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013032U true CN204013032U (en) | 2014-12-10 |
Family
ID=52052971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404853.7U Expired - Fee Related CN204013032U (en) | 2014-07-22 | 2014-07-22 | A kind of double containment electricity main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013032U (en) |
-
2014
- 2014-07-22 CN CN201420404853.7U patent/CN204013032U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |