CN207795308U - Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover - Google Patents
Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover Download PDFInfo
- Publication number
- CN207795308U CN207795308U CN201721904455.1U CN201721904455U CN207795308U CN 207795308 U CN207795308 U CN 207795308U CN 201721904455 U CN201721904455 U CN 201721904455U CN 207795308 U CN207795308 U CN 207795308U
- Authority
- CN
- China
- Prior art keywords
- turbine
- turbine disk
- ventilating cover
- rotor shaft
- reinforcing
- 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
Abstract
The utility model discloses the turbine rotor shafts that a kind of turbine pan bottom is capped air permeable protective cover, including rotor shaft body, rotor shaft body upper end is equipped with the turbine disk, the turbine disk upper end is equipped with turbo blade, turbine disk bottom end center is connected with shaft bar, turbine disk bottom end both sides are equipped with two mounting posts, cylinder is equipped with external screw thread on the outside of the mounting post, one is screwed in the mounting post reinforces ventilating cover, the reinforcing ventilating cover madial wall is equipped with internal thread, the reinforcing ventilating cover center offers shaft bar guide hole, it is further opened with multiple air holes on the reinforcing ventilating cover capping.The turbine disk and shaft bar are protected into reinforcing ventilating cover by the above-mentioned means, the utility model can be capped in turbine disk bottom end, and reinforces ventilating cover and offers multiple air holes, has good venting capability.
Description
Technical field
The utility model is related to turbine field, the turbine that air permeable protective cover is capped more particularly to a kind of turbine pan bottom turns
Sub- axis.
Background technology
Turbine wheel shaft seems an only simple metal tube, but actually he is one and bears 120000 to 160000
Rpm is rotated and the precision component of superhigh temperature.Its fine machining tolerance, profound material application and processing are exactly all turbine factories
The technology of core the most.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of turbine of turbine pan bottom capping air permeable protective cover
Armature spindle can be capped in turbine disk bottom end and be protected to the turbine disk and shaft bar into reinforcing ventilating cover, and reinforce
Ventilating cover offers multiple air holes, has good venting capability.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of turbine pan bottom is provided
It is capped the turbine rotor shaft of air permeable protective cover, including rotor shaft body, rotor shaft body upper end is equipped with the turbine disk, the whirlpool
Wheel disc upper end is equipped with turbo blade, and turbine disk bottom end center is connected with shaft bar, and turbine disk bottom end both sides are set
There are two mounting posts, cylinder is equipped with external screw thread on the outside of the mounting post, and one is screwed in the mounting post and reinforces ventilating cover, described
It reinforces ventilating cover madial wall and is equipped with internal thread, the reinforcing ventilating cover center offers shaft bar guide hole, described to reinforce thoroughly
It is further opened with multiple air holes on gas lid capping.
In one preferred embodiment of the utility model, shaft bar one end is fixedly connected on the turbine disk bottom end
Center, the shaft bar other end export after vertically passing through the reinforcing ventilating cover outside the turbine disk.
In one preferred embodiment of the utility model, the ventilating cover of reinforcing passes through described in the internal thread connection on inner wall
External screw thread in mounting post and be fixed on the turbine disk lower end.
The utility model has the beneficial effects that：The utility model can be capped in turbine disk bottom end into reinforcing ventilating cover
The turbine disk and shaft bar are protected, and reinforces ventilating cover and offers multiple air holes, has good venting capability.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the structure of one preferred embodiment of turbine rotor shaft of the utility model turbine pan bottom capping air permeable protective cover
Schematic diagram；
The label of each component is as follows in attached drawing：1, rotor shaft body；2, the turbine disk；3, turbo blade；4, shaft bar；
5, mounting post；6, ventilating cover is reinforced；7, air hole.
Specific implementation mode
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to Fig. 1, the utility model embodiment includes：
A kind of turbine rotor shaft of turbine pan bottom capping air permeable protective cover, including rotor shaft body 1, the armature spindle sheet
1 upper end of body is equipped with the turbine disk 2, and 2 upper end of the turbine disk is equipped with turbo blade 3, and 2 bottom end center of the turbine disk, which is connected with, to be turned
Shaft 4,2 bottom end both sides of the turbine disk are equipped with two mounting posts 5, and 5 outside cylinder of the mounting post is equipped with external screw thread, institute
It states and screws in a reinforcing ventilating cover 6 in mounting post 5,6 madial wall of reinforcing ventilating cover is equipped with internal thread, the reinforcing ventilating cover
6 centers offer shaft bar guide hole, and multiple air holes 7 are further opened on 6 capping of reinforcing ventilating cover.
In addition, described 4 one end of shaft bar is fixedly connected on 2 bottom end of turbine disk center, 4 other end of shaft bar
It is exported outside the turbine disk 2 after vertically passing through the reinforcing ventilating cover 6.
In addition, the reinforcing ventilating cover 6 connects the external screw thread in the mounting post 5 by the internal thread on inner wall by fixes
In 2 lower end of the turbine disk.
The operation principle of the utility model is that 1 upper end of rotor shaft body is equipped with the turbine disk 2, and 2 upper end of the turbine disk is equipped with turbine
Blade 3,2 bottom end center of the turbine disk are connected with shaft bar 4, and 2 bottom end both sides of the turbine disk are equipped with two mounting posts 5, mounting post 5
Outside cylinder is equipped with external screw thread, and screwing in one in mounting post 5 reinforces ventilating cover 6, reinforces 6 madial wall of ventilating cover and is equipped with interior spiral shell
Line reinforces 6 center of ventilating cover and offers shaft bar guide hole, and 4 one end of shaft bar is fixedly connected on 2 bottom end of turbine disk center,
4 other end of shaft bar exports after vertically passing through reinforcing ventilating cover 6 outside the turbine disk 2, reinforces ventilating cover 6 and passes through the internal thread on inner wall
It connects the external screw thread in mounting post 5 and is fixed on 2 lower end of the turbine disk, reinforce on 6 capping of ventilating cover and be further opened with multiple air holes
7, rotor shaft body 1 can be capped in 2 bottom end of the turbine disk and be protected to the turbine disk 2 and shaft bar 4 into reinforcing ventilating cover 6
Shield, and reinforce ventilating cover 6 and offer multiple air holes 7, have good venting capability.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (3)
1. a kind of turbine rotor shaft of turbine pan bottom capping air permeable protective cover, including rotor shaft body, which is characterized in that described
Rotor shaft body upper end is equipped with the turbine disk, and the turbine disk upper end is equipped with turbo blade, the connection of turbine disk bottom end center
There are shaft bar, turbine disk bottom end both sides to be equipped with two mounting posts, cylinder is equipped with external screw thread, institute on the outside of the mounting post
It states and screws in one in mounting post and reinforce ventilating cover, the reinforcings ventilating cover madial wall is equipped with internal thread, in the reinforcing ventilating cover
Centre offers shaft bar guide hole, and multiple air holes are further opened on the reinforcing ventilating cover capping.
2. the turbine rotor shaft of capping air permeable protective cover in turbine pan bottom according to claim 1, which is characterized in that described
Shaft bar one end is fixedly connected on the turbine disk bottom end center, and the shaft bar other end vertically passes through described reinforce to breathe freely
It is exported after lid outside the turbine disk.
3. the turbine rotor shaft of capping air permeable protective cover in turbine pan bottom according to claim 1, which is characterized in that described
Ventilating cover is reinforced to connect the external screw thread in the mounting post by the internal thread on inner wall by be fixed on the turbine disk lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904455.1U CN207795308U (en) | 2017-12-29 | 2017-12-29 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721904455.1U CN207795308U (en) | 2017-12-29 | 2017-12-29 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795308U true CN207795308U (en) | 2018-08-31 |
Family
ID=63276644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721904455.1U Expired - Fee Related CN207795308U (en) | 2017-12-29 | 2017-12-29 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561186A (en) * | 2017-12-29 | 2018-09-21 | 无锡宝宏船舶机械有限公司 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
-
2017
- 2017-12-29 CN CN201721904455.1U patent/CN207795308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561186A (en) * | 2017-12-29 | 2018-09-21 | 无锡宝宏船舶机械有限公司 | Turbine pan bottom is capped the turbine rotor shaft of air permeable protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180831 Termination date: 20181229 |