CN205190325U - Marine type fan impeller hub shaft hole steel bushing structure - Google Patents
Marine type fan impeller hub shaft hole steel bushing structure Download PDFInfo
- Publication number
- CN205190325U CN205190325U CN201520936583.9U CN201520936583U CN205190325U CN 205190325 U CN205190325 U CN 205190325U CN 201520936583 U CN201520936583 U CN 201520936583U CN 205190325 U CN205190325 U CN 205190325U
- Authority
- CN
- China
- Prior art keywords
- impeller
- steel bushing
- screw
- hole
- type fan
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a marine type fan impeller hub shaft hole steel bushing structure which mainly comprises impeller, cross countersunk screw, steel bushing, holding screw, its characterized in that steel bushing overlaps in the impeller hole, inserts through the splined hole one -to -one on spline on the steel bushing and the impeller, adopt cross countersunk screw to pass the screw hole and screw up on the countersunk head screw hole of impeller, adopt holding screw to screw up the screw hole in the holding screw of impeller simultaneously, during the holding screw microcephaly inserts the holding screw hole of steel bushing, with firmly fixed between steel bushing and the impeller. The utility model relates to an installation simply, the marine type fan impeller hub shaft hole steel bushing structure of removable formula at any time.
Description
Technical field
The utility model relates to marine type fan technical field.
Background technique
Along with greatly developing of seafaring, the requirement for marine type fan also comes high, and present most of marine type fan requires compact overall structure, and engaged position is little, and has strict requirement to performance, efficiency, vibration, noise, weight etc.Produced impeller properties size should reach requirement very accurately, and impeller adopts monoblock cast aluminium structure, and by precision casting, surface finishment is higher, and manufacturing process is numerous and diverse, and cost is high.Owing to adopting casting aluminium material, when it causes maintenance of fan to change impeller, hub shaft hole place easily produces distortion or is damaged, and causes impeller entirety to scrap.
Model utility content
The utility model is intended to overcome above-mentioned defect, object be to provide a kind ofly to install simply, the marine type fan impeller hub axis hole steel sleeve structure of Changable type at any time.
For achieving the above object, the technical solution adopted in the utility model is: primarily of impeller, crossed countersunk head screw, steel bushing, Cock screw composition; It is characterized in that steel bushing is placed in impeller endoporus, inserted by the spline on steel bushing and the splined hole one_to_one corresponding on impeller; Adopt crossed countersunk head bolts through bolt holes to be tightened against on the countersunk head tapped hole of impeller, adopt Cock screw to be tightened against the Cock screw tapped hole of impeller, Cock screw microcephaly inserts in the set screw hole of steel bushing, firmly fixes between steel bushing and impeller simultaneously.
Owing to adopting technique scheme, the cast aluminum-molykote composite material impeller causing impeller shaft hole impaired is utilized again, greatly reduces the cost that impeller causes in maintenance process in installation process.
Accompanying drawing explanation
Fig. 1 is a kind of marine type fan impeller hub of the utility model axis hole steel sleeve structure schematic diagram;
Fig. 2 is marine type fan blade wheel structure schematic diagram of the present utility model;
Fig. 3 is marine type fan impeller hub axis hole steel bushing schematic diagram of the present utility model;
In the drawings: 1, impeller; 2, crossed countersunk head screw; 3, countersunk head tapped hole; 4, steel bushing; 5, set screw hole; 6, Cock screw; 7, screw hole; 8, splined hole; 9, spline; 10, Cock screw tapped hole.
Embodiment
Below in conjunction with accompanying drawing, explanation is described further to the utility model.
A kind of marine type fan impeller hub axis hole steel sleeve structure, it is primarily of impeller (1), crossed countersunk head screw (2), steel bushing (4), Cock screw (6) composition; It is characterized in that steel bushing (4) is placed in impeller (1) endoporus, inserted by the spline (9) on steel bushing (4) and splined hole (8) one_to_one corresponding on impeller (1), ensure to can be good at transmitting torque between steel bushing (4) and impeller (1).Crossed countersunk head screw (2) is adopted to be tightened against on the countersunk head tapped hole (3) of impeller (1) through screw hole (7), adopt Cock screw (6) to be tightened against the Cock screw tapped hole (10) of impeller (1) simultaneously, Cock screw (6) microcephaly inserts in the set screw hole (5) of steel bushing (4), firmly fix between steel bushing (4) and impeller (1), ensure steel bushing (4) and be connected more firmly between impeller (1), safety and stability more when impeller is run; Adopt steel axle sleeve, its Material Strength and hardness are all better than cast aluminium material, therefore not easily produce distortion and damage; Adopt this scheme, when steel bushing damages, can change at any time, very convenient, and structure is very simple.
Therefore, the utility model be a kind ofly to install simply, the marine type fan impeller hub axis hole steel sleeve structure of Changable type at any time.
Claims (1)
1. a marine type fan impeller hub axis hole steel sleeve structure, it is primarily of impeller (1), crossed countersunk head screw (2), steel bushing (4), Cock screw (6) composition; It is characterized in that steel bushing (4) is placed in impeller (1) endoporus, inserted by the spline (9) on steel bushing (4) and splined hole (8) one_to_one corresponding on impeller (1); Crossed countersunk head screw (2) is adopted to be tightened against on the countersunk head tapped hole (3) of impeller (1) through screw hole (7), adopt Cock screw (6) to be tightened against the Cock screw tapped hole (10) of impeller (1) simultaneously, Cock screw (6) microcephaly inserts in the set screw hole (5) of steel bushing (4), firmly fixes between steel bushing (4) and impeller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936583.9U CN205190325U (en) | 2015-11-23 | 2015-11-23 | Marine type fan impeller hub shaft hole steel bushing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520936583.9U CN205190325U (en) | 2015-11-23 | 2015-11-23 | Marine type fan impeller hub shaft hole steel bushing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190325U true CN205190325U (en) | 2016-04-27 |
Family
ID=55783321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520936583.9U Expired - Fee Related CN205190325U (en) | 2015-11-23 | 2015-11-23 | Marine type fan impeller hub shaft hole steel bushing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190325U (en) |
-
2015
- 2015-11-23 CN CN201520936583.9U patent/CN205190325U/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: 20160427 Termination date: 20161123 |