CN207795814U - A kind of draught fan impeller reel fixing bolt protective device - Google Patents
A kind of draught fan impeller reel fixing bolt protective device Download PDFInfo
- Publication number
- CN207795814U CN207795814U CN201820036866.1U CN201820036866U CN207795814U CN 207795814 U CN207795814 U CN 207795814U CN 201820036866 U CN201820036866 U CN 201820036866U CN 207795814 U CN207795814 U CN 207795814U
- Authority
- CN
- China
- Prior art keywords
- fixing bolt
- reel
- protective cover
- impeller
- draught 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 discloses a kind of draught fan impeller reel fixing bolt protective devices, the draught fan impeller includes fan shaft, impeller and reel, the impeller and reel are threaded through on the fan shaft, and the impeller is connected with reel by fixing bolt, the protective device includes mounting disc, protective cover and position adjusting mechanism, the mounting disc is arranged in the outside of the reel, and it is connected with the reel by the fixing bolt, the protective cover is arranged correspondingly in the outside of the fixing bolt, the protective cover is also connected through the position adjusting mechanism with the mounting disc, the position adjusting mechanism is used to adjust the spacing of the protective cover and the fixing bolt.The utility model improves the anticorrosion antiwear effect of fixing bolt, reduces the dismounting and change operation generated by abrasion, and protective cover can move and make a concession out enough operating spaces, be conveniently operated the operation of personnel.
Description
Technical field
The utility model is related to draught fan impeller technical field more particularly to a kind of draught fan impeller reel fixing bolt protection dresses
It sets.
Background technology
In the prior art, the reel fixing bolt operation 2-3 of draught fan impeller both sides just will appear wear phenomenon later, often
Larger because wearing when secondary replacement, dismounting is difficult, and using electrogas welding when easily causes impeller deformation, also needed to after the completion of replacing into
Action balance is tested, and heavy workload is time-consuming and laborious.
Utility model content
The technical issues of in the presence of the utility model mainly solution prior art, to provide a kind of protection effect
Draught fan impeller reel fixing bolt protective device good, running quality is high.
The above-mentioned technical problem of the utility model is mainly to be addressed by following technical proposals：
Draught fan impeller reel fixing bolt protective device provided by the utility model, the draught fan impeller include fan shaft,
Impeller and reel, the impeller and reel are threaded through on the fan shaft, and the impeller is connected with reel by fixing bolt
It connects, the protective device includes mounting disc, protective cover and position adjusting mechanism, and the mounting disc is arranged in the outer of the reel
Side, and be connected with the reel by the fixing bolt, the protective cover is arranged correspondingly in the fixing bolt
Outside, the protective cover is also connected through the position adjusting mechanism with the mounting disc, and the position adjusting mechanism is used for
Adjust the spacing of the protective cover and the fixing bolt.
Further, the position adjusting mechanism includes open slot, sliding block, limited block, tie down screw and locking nut, institute
It states open slot from the outer circumferential sides of the mounting disc to its circle centre position to extend, and the position of the open slot and the fixing bolt
Position correspond, the sliding block is slidably threaded through in the open slot, one end of the tie down screw and the sliding block
It is fixedly connected, the other end is connected after passing through the limited block with the locking nut, wherein the limited block is prevented with described
Shield is fixedly connected.
Further, the shape of the open slot is T-type or dove-tail form, the shape of the shape of the sliding block and the open slot
Shape matches.
Further, the shape of the protective cover is c-type, and the protective cover is made using wear-resistant material.
Further, the medial surface of the protective cover is in contact with the surface of the mounting disc.
The beneficial effects of the utility model are：By the way that protective cover is arranged in the outside of fixing bolt, which obviate impellers
Rotate generate the distinguished and admirable direct erosion wear to fixing bolt, improve the anticorrosion antiwear effect of fixing bolt, reduce because
The dismounting and change operation generated is worn, also, by position adjusting mechanism adjusting protecting cover at a distance from fixing bolt, makes it not
The wear protection of the fixing bolt of different size type is only can be suitably used for, and dismounting and change operation is being carried out to fixing bolt
When, protective cover, which can move, makes a concession out enough operating spaces, is conveniently operated the operation of personnel.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the draught fan impeller reel fixing bolt protective device of the utility model；
Fig. 2 is the structural representation of the position adjusting mechanism of the draught fan impeller reel fixing bolt protective device of the utility model
Figure；
Fig. 3 is the left view of the position adjusting mechanism of the draught fan impeller reel fixing bolt protective device of the utility model.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
As shown in fig.1, the draught fan impeller reel fixing bolt protective device of the utility model, draught fan impeller includes wind turbine
Axis 1, impeller 2 and reel 3, impeller 2 and reel 3 are threaded through on fan shaft 1, and impeller 2 is connected with reel 3 by fixing bolt 4
It connects, which includes mounting disc 5, protective cover 6 and position adjusting mechanism 7, and mounting disc 5 is arranged in the outside of reel 3, and logical
It crosses fixing bolt 4 with reel 3 to be connected, protective cover 6 is arranged correspondingly in the outside of fixing bolt 4, and protective cover 6 is also through position
It sets regulating mechanism 7 with mounting disc 5 to be connected, position adjusting mechanism 7 is used for the spacing of adjusting protecting cover 6 and fixing bolt 4.
The utility model in the outside of fixing bolt 4 by being arranged protective cover 6, and which obviate the wind that the rotation of impeller 2 generates
The direct erosion wear to fixing bolt 4 is flowed, the anticorrosion antiwear effect of fixing bolt 4 is improved, is reduced because of abrasion generation
Dismounting and change operation, also, make it that can not only fit at a distance from fixing bolt 4 by 7 adjusting protecting cover 6 of position adjusting mechanism
The wear protection of fixing bolt 4 for different size type, and when carrying out dismounting and change operation to fixing bolt 4, prevent
Shield 6 can move and make a concession out enough operating spaces, be conveniently operated the operation of personnel.
Refering to shown in Fig. 2-3, position adjusting mechanism 7 includes open slot 71, sliding block 72, limited block 73,74 and of tie down screw
The outer circumferential sides of locking nut 75,71 self installation disk 5 of open slot extend to its circle centre position, and the position of open slot 71 and fixed spiral shell
The position of bolt 4 corresponds, and sliding block 72 is slidably threaded through in open slot 71, and one end of tie down screw 74 is fixed with sliding block 72 to be connected
It connects, the other end is connected after passing through limited block 73 with locking nut 75, wherein limited block 73 is fixedly connected with protective cover 6.This
In utility model, slid back and forth in open slot 71 by sliding block 72, drive limited block 73 and protective cover 6 closer or far from
Fixing bolt 4, so as to change the spacing between protective cover 6 and fixing bolt 4, after being adjusted in place, by tightening locking
Nut 75 can fix limited block 73 and the locking of 5 phase of mounting disc.
In the utility model, in order to improve the cooperation precision of sliding block 72 and open slot 71, the multi-direction of limited block 73 is avoided
Play influences whole dynamic balancing, and the shape of open slot 71 is T-type or dove-tail form, the shape of the shape and open slot 71 of sliding block 72
It matches.
In the present embodiment, the shape of protective cover 6 is c-type, and resistance is small, and space occupancy rate is few.And protective cover 6 is using wear-resisting
Material is made, such as steel plate, abrasive rubber.In the utility model, after installation is complete for protective cover 6, disposably do flat
Weighing apparatus test, stable certifiable fixing bolt 4 five years or more do not need repair and maintenance.
In order to further increase the protection effect of fixing bolt 4, the medial surface of protective cover 6 connects with the surface of mounting disc 5
It touches.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Any change or replacement expected without creative work, should be covered within the scope of the utility model.Therefore,
The scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of draught fan impeller reel fixing bolt protective device, the draught fan impeller includes fan shaft, impeller and reel, described
Impeller and reel are threaded through on the fan shaft, and the impeller is connected with reel by fixing bolt, which is characterized in that institute
It includes mounting disc, protective cover and position adjusting mechanism to state protective device, and the mounting disc is arranged in the outside of the reel, and logical
The fixing bolt to be crossed with the reel to be connected, the protective cover is arranged correspondingly in the outside of the fixing bolt,
The protective cover is also connected through the position adjusting mechanism with the mounting disc, and the position adjusting mechanism is described for adjusting
The spacing of protective cover and the fixing bolt.
2. draught fan impeller reel fixing bolt protective device as described in claim 1, which is characterized in that the position adjusts machine
Structure includes open slot, sliding block, limited block, tie down screw and locking nut, outer circumferential sides of the open slot from the mounting disc
Extend to its circle centre position, and the position of the open slot and the position of the fixing bolt correspond, the sliding block is slidably
It is threaded through in the open slot, one end of the tie down screw is fixedly connected with the sliding block, and the other end passes through the limit
It is connected with the locking nut after block, wherein the limited block is fixedly connected with the protective cover.
3. draught fan impeller reel fixing bolt protective device as claimed in claim 2, which is characterized in that the shape of the open slot
Shape is T-type or dove-tail form, and the shape of the sliding block is matched with the shape of the open slot.
4. draught fan impeller reel fixing bolt protective device as claimed in claim 3, which is characterized in that the shape of the protective cover
Shape is c-type, and the protective cover is made using wear-resistant material.
5. draught fan impeller reel fixing bolt protective device as claimed in claim 4, which is characterized in that the protective cover it is interior
Side is in contact with the surface of the mounting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036866.1U CN207795814U (en) | 2018-01-04 | 2018-01-04 | A kind of draught fan impeller reel fixing bolt protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820036866.1U CN207795814U (en) | 2018-01-04 | 2018-01-04 | A kind of draught fan impeller reel fixing bolt protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795814U true CN207795814U (en) | 2018-08-31 |
Family
ID=63276888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820036866.1U Expired - Fee Related CN207795814U (en) | 2018-01-04 | 2018-01-04 | A kind of draught fan impeller reel fixing bolt protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| CN111993145A (en) * | 2020-06-30 | 2020-11-27 | 中国航发南方工业有限公司 | Protection device and protection method for annular multi-blade part blade |
-
2018
- 2018-01-04 CN CN201820036866.1U patent/CN207795814U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322893A (en) * | 2018-12-12 | 2019-02-12 | 保定华铁电气化供电器材设备有限公司 | A kind of bolt anti-corrosion protective device |
| CN111993145A (en) * | 2020-06-30 | 2020-11-27 | 中国航发南方工业有限公司 | Protection device and protection method for annular multi-blade part blade |
| CN111993145B (en) * | 2020-06-30 | 2021-08-06 | 中国航发南方工业有限公司 | Protection device and protection method for annular multi-blade part blade |
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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: 20190104 |