CN205806010U - Impeller - Google Patents
Impeller Download PDFInfo
- Publication number
- CN205806010U CN205806010U CN201620781364.2U CN201620781364U CN205806010U CN 205806010 U CN205806010 U CN 205806010U CN 201620781364 U CN201620781364 U CN 201620781364U CN 205806010 U CN205806010 U CN 205806010U
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- CN
- China
- Prior art keywords
- blade
- impeller
- rotating disk
- steel bushing
- protection steel
- 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.)
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Abstract
The utility model discloses a kind of impeller; solve the problem that in prior art, easily worn and torn by fluid endoparticle impurity in the end of impeller blade; its drip irrigation device is a kind of impeller; including rotating disk and the blade being arranged on rotating disk side; it is provided with for being enclosed within the protection steel bushing on blade rotating disk one side end dorsad completely on described rotating disk; avoid the end of blade directly to contact with the particulate matter in fluid, thus ensure that blade tip is not easily susceptible to abrasion.
Description
Technical field
This utility model relates to fluid varactor machine technical field, particularly to a kind of impeller.
Background technology
Impeller, also known as active wheel, is unique to air work element in centrifugal compressor, and is high-speed rotating element,
General impeller is all by rotating disk and be arranged on what the blade of rotating disk side was constituted, and gas is under the effect of impeller blade, with impeller
Doing high speed rotating, gas is acted on by rotary centrifugal force, and the diffusion flowing in impeller, the pressure after making it pass through impeller
Being improved, at present, the impeller that market is sold, its blade is generally cast by light metal alloys and forms, this type
Impeller be subject to metal fatigue, metal fatigue limits the running life of turbocharger.
In order to solve the problems referred to above, in the Chinese patent document that number of patent application is " 201110375534.9 ",
Describing a kind of composite centrifugal compressor wheel, impeller includes having the axial of arrival end, the port of export, arcuate outer surface and axis hole
Extending hub, and the array of vanes being arranged in the arcuate outer surface of axially extending hub, array of vanes includes multiple circumferentially-spaced
, radially and arch centrifugal impeller sheet axially extended, that be arranged in arcuate outer surface, axially extending hub and array of vanes
Including the polymer matrix composite material of non-woven, discontinuous and full fiber, impeller also includes axis hole, and axis hole can be fully extended
Or extend partially across axially extending hub, the size of axis hole may be configured as accommodating drive shaft, and impeller may also include shaft bore insert,
Shaft bore insert strengthens axis hole, and shaft bore insert can also is that threaded to engage threaded drive shaft, when the impeller is rotated, and it
Each internal increment by the rotary speed according to impeller and further according to the leaf radially outward arranged from this increment
Wheel quality changes the radial drawing load of value, by by the polymer precursor material being full of fiber non-woven, discontinuous
Form the high stress areas of axially extending hub.
Above-mentioned this Centrufugal compressor impeller and existing most of Centrufugal compressor impeller, fluid enters into centrifugal pressure
In contracting machine, fluid along the axial direction of rotating disk towards blades flows, owing to fluid can be mixed with substantial amounts of granule foreign,
When the impeller of high-speed rotation flows, these granule foreigns are easily caused blade end with one end ends contact of blade rotating disk dorsad
The abrasion in portion, is even worn through, thus causes scrapping of whole impeller, makes the serviceable bife of impeller be greatly shortened.
Utility model content
The purpose of this utility model is to provide a kind of impeller, it is to avoid the end of blade is direct with the particulate matter in fluid
Contact, thus ensure that blade tip is not easily susceptible to abrasion.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of impeller, including turning
Dish and the blade being arranged on rotating disk side, it is characterised in that: it is provided with on described rotating disk and turns dorsad for being enclosed within blade completely
Protection steel bushing on dish one side end.
By using technique scheme, blade rotating disk one side end dorsad is enclosed within completely in protection steel bushing, protects steel
Overlap the end to blade and play the effect protected, it is to avoid fluid directly contacts with the end of blade, and protection steel bushing is set
The end on direction is flowed to, by protection steel bushing, it is to avoid leaf at a side end of blade rotating disk dorsad, i.e. blade facing fluid
The end of sheet directly contacts with the particulate matter in fluid, thus has ensured that blade tip is not easily susceptible to abrasion.
Further, described protection steel bushing removably connects with rotating disk.
By using technique scheme, protection steel bushing is fixed on rotating disk, it is to avoid protection steel bushing is in wheel rotation
During separate from blade, but, in the case of protection steel bushing is impaired, can be by protection under steel bushing dismantle from rotating disk
Come, replace with new protection steel bushing, blade is kept preferable protective effect.
Further, described protection steel bushing being provided with screw element, described protection steel bushing is by screw element and rotating disk screw thread
Connect.
By using technique scheme, protection steel bushing is threadedly secured on cylinder by screw element, is subject at protection steel bushing
In the case of damaging or being corroded, protection steel bushing and cylinder can be made to depart from fixing, the mode ratio being screwed is stronger, steady
Fixed, the dismounting making protection steel bushing is more convenient.
Further, described protection steel bushing is provided with the inserting groove for being inserted on blade tip by protection steel bushing.
By using technique scheme, protection steel bushing is inserted on blade tip by inserting groove, so that protection steel
Being enclosed within blade tip, the inwall of inserting groove is fitted with blade tip, thus by blade tip protection in protection steel bushing, logical
Cross the convenient installation protecting steel bushing of mode of grafting.
Further, described blade tip side is provided with lobe, and described inserting groove inwall is provided with and lobe
The concave part of male-female engagement.
By using technique scheme, lobe and concave part carry out male-female engagement, and in the vertical direction limits protection
Moving up and down of steel bushing, makes protection steel bushing be enclosed within the most stable on blade tip, firm.
Further, integrally formed with for pulverized particles impurity on the side, side of described protection steel bushing rotating disk dorsad
Pulverize bluff body.
By using technique scheme, when flow velocity fluid impact faster acts on pulverizing bluff body, pulverize bluff body pair
Granule foreign plays the effect of pulverizing, makes the volume of granule diminish, and reduces the abrasion that blade is caused by granule.
Further, the surface of described pulverizing bluff body facing fluid flow direction is arc surface.
By using technique scheme, the surface pulverizing bluff body facing fluid flow direction is arc surface, so that powder
The surface of broken bluff body has seamed edge to produce abrasion, reduces the damage pulverizing bluff body, has ensured the service life pulverizing bluff body.
Further, described blade is to be welded and fixed double-layer stainless steel blade together.
By using technique scheme, use the mode of welding to be fixed together by this two-layer stainless steel blade, increase
The thickness of blade, thus strengthen the structural strength of blade, it is to avoid the situation that blade is worn through occurs.
Further, described blade surface is coated with anti-corrosion layer.
By using technique scheme, at the surface spraying anti-corrosion layer of blade, blade is made to have the most corrosion-resistant
Performance.
Further, described anti-corrosion layer is corrosion inhibitor coating.
By using technique scheme, this coating makes the surface of blade have preferable corrosion resistance, reduces blade and is subject to
The corrosion and damage arrived, meanwhile, when this coating composition adds molybdenum oxide, the Corrosion Protection of coating composition is protected over time
Hold more preferably, so that the Corrosion Protection of anti-corrosion layer is relatively stable.
In sum, this utility model has the advantages that 1, by protection steel bushing, it is to avoid the end of blade with
Particulate matter in fluid directly contacts, thus has ensured that blade tip is not easily susceptible to abrasion；2, lobe is carried out with concave part
Male-female engagement, in the vertical direction limits moving up and down of protection steel bushing, makes protection steel bushing be enclosed within blade tip the most steady
Fixed, firm；3, at the surface spraying anti-corrosion layer of blade, blade is made to have preferable decay resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of impeller in embodiment 1；
Fig. 2 is the exploded perspective view of impeller in embodiment 1；
Fig. 3 is the part sectioned view protecting steel bushing in embodiment 1.
In figure, 1, blade；2, rotating disk；3, cylinder；4, protection steel bushing；5, connecting plate；6, bluff body is pulverized；7, concave part；
8, screw element；9, screwed hole；10, lobe；11, through hole；12, inserting groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Embodiment 1: a kind of impeller, as shown in figures 1 and 3, including the rotating disk 2 of disc-shape be arranged on rotating disk 2 side
On blade 1, the quantity of blade 1 is multiple, and on the evenly distributed surface being welded on the upside of rotating disk 2, blade 1 is on rotating disk 2
Orthographic projection be shaped as circular arc, the central integral of rotating disk 2 forms one and extends formation straight up along rotating disk 2 axis direction
Cylinder 3, the outer circle wall of cylinder 3 and blade 1 are weldingly fixed on one towards the side, side of the outer circle wall of cylinder 3
Rise, rotating disk 2 is provided with the protection steel bushing 4 on the upper side end for being enclosed within blade 1 completely, protection steel bushing 4 offers slotting
Access slot 12, protection steel bushing 4 is plugged into end blade 1 on the upside of from blade 1 lateral near the direction of cylinder 3 by inserting groove 12
In portion, the outer wall of the groove inwall of inserting groove 12 and blade 1 end is fitted completely, thus by a side end of blade 1 rotating disk 2 dorsad
Being set in completely in protection steel bushing 4, protection steel bushing 4 is made up of the 17-4PH stainless steel material of high-quality, this rustless steel make
Protection steel bushing 4, there is preferable structural strength, and stainless steel material have the corrosion resistance of brilliance, can reduce fluid
Internal corrosion material, to the protection corrosion of steel bushing 4 and erosion, is set on the end of blade 1 completely by protection steel bushing 4, thus will
The upper side end of blade 1, i.e. blade 1 facing fluid flow to the end on direction and protect wherein, thus avoid the end of blade 1
Directly contact with the particulate matter in fluid, thus ensured that blade 1 end is not easily susceptible to abrasion；
Protection steel bushing 4 is detachably fixed with cylinder 3 and is connected, and in the present embodiment, being detachably fixed connected mode is spiral shell
Stricture of vagina connects, and protection steel bushing 4, connects integrally formed with the connecting plate 5 contacted with the lateral wall of cylinder 3 near the side of cylinder 3
Fishplate bar 5 is along the through hole 11 being provided through side, connecting plate 5 both sides in the radial direction of cylinder 3, the excircle of cylinder 3
Being provided with screwed hole 9 on sidewall, protection steel bushing 4 is provided with screw element 8, screw element 8 can be screw, it is also possible to be bolt,
In the present embodiment, screw element 8 is screw, screw through after through hole 11 with screwed hole 9 threaded engagement, will protection by screw
Steel bushing 4 is threadedly secured on cylinder 3, in the case of protecting steel bushing 4 impaired or being corroded, can make protection steel bushing 4 and circle
Cylinder 3 departs from fixing, takes out from blade 1 end by protection steel bushing 4, it is achieved to protect steel bushing 4 with changing；
The lobe 10 protruding from this side it is provided with in the end sides of blade 1 upper end, curved at the inwall of inserting groove 12
Song is formed and the concave part 7 of lobe 10 male-female engagement, is inserted into by protection steel bushing 4 on blade 1 end, lobe 10 and groove
Portion 7 carries out male-female engagement, and in the vertical direction limits moving up and down of protection steel bushing 4, makes protection steel bushing 4 be enclosed within blade 1 end
On the most stable, firm.
Integrally formed with the pulverizing bluff body 6 for pulverized particles impurity on the side, side of protection steel bushing 4 rotating disk 2 dorsad,
The surface pulverizing bluff body 6 facing fluid flow direction is arc surface, and the vertical sectional shape pulverizing bluff body 6 is semicircle, and circular arc
The direction of part facing fluid flowing, pulverizes bluff body 6 and has higher structural strength, and flow velocity fluid impact faster acts on powder
Time on broken bluff body 6, pulverize bluff body 6 and granule foreign is played the effect of pulverizing, make the volume of granule diminish, reduce granule to blade
1 abrasion caused；The surface pulverizing bluff body 6 facing fluid flow direction is arc surface, so that there is rib on the surface pulverizing bluff body 6
Limit produces abrasion, reduces the damage pulverizing bluff body 6, has ensured the service life pulverizing bluff body 6；In the present embodiment, blade 1 is
Be welded and fixed double-layer stainless steel blade 1 together, the shape size of two-layer stainless steel blade 1 just as, by two-layer laminating repeat
, then by the way of welding, this two-layer stainless steel blade 1 is fixed together together, increases the thickness of blade 1, thus increase
The structural strength of strong blade 1, it is to avoid the situation that blade 1 is worn through occurs.
The surface spraying of blade 1 has anti-corrosion layer, when contacting with blade 1 due to corrosive fluid, can carry out blade 1
Certain corrosion and damage, therefore, at the surface spraying anti-corrosion layer of blade 1, make blade 1 have preferable decay resistance,
In the present embodiment, anti-corrosion layer is corrosion inhibitor coating, and in the present embodiment, corrosion inhibitor coating is contained by one
The coating composition of MoO3 corrosion inhibitor is sprayed on blade 1 surface and is formed, and this coating composition at number of patent application is
In one Chinese patent document of " 01820352.3 " disclosed, this coating composition has preferable Corrosion Protection, by this
Plant the Rotating fields that coating composition is sprayed on the anti-corrosion layer on blade 1 surface, make the surface of blade 1 have the most corrosion-resistant
Property, reduce blade 1 subject to corrosion and damage, meanwhile, when this coating composition adds molybdenum oxide, the anticorrosion of coating composition
Performance is kept as more preferably over time, so that the Corrosion Protection of anti-corrosion layer is relatively stable.
Embodiment 2: a kind of impeller, is with the difference of embodiment 1, and protection steel bushing 4 removably connects with rotating disk 2
Mode is that bearing pin connects, and arranges pin-and-hole on cylinder 3, and pin-and-hole is from the radially extension of the outer circle wall of cylinder 3, at leaf
Be provided with through hole on the connecting plate 5 of sheet 1, bearing pin through after through hole with pin-and-hole interference fit, thus blade 1 is fixed on cylinder
On 3, the mode ratio that bearing pin is fixed is stronger, stable, difficult drop-off.
Claims (10)
1. an impeller, including rotating disk (2) and the blade (1) that is arranged on rotating disk (2) side, it is characterised in that: described rotating disk
(2) it is provided with on for being enclosed within the protection steel bushing (4) on blade (1) rotating disk (2) side end dorsad completely.
Impeller the most according to claim 1, it is characterised in that: described protection steel bushing (4) removably connects with rotating disk (2).
Impeller the most according to claim 2, it is characterised in that: it is provided with screw element (8), institute on described protection steel bushing (4)
State protection steel bushing (4) to be threadeded with rotating disk (2) by screw element (8).
Impeller the most according to claim 2, it is characterised in that: it is provided with for steel will be protected on described protection steel bushing (4)
The inserting groove (12) that set (4) is inserted on blade (1) end.
Impeller the most according to claim 4, it is characterised in that: described blade (1) end sides is provided with lobe (10),
The concave part (7) with lobe (10) male-female engagement it is provided with on described inserting groove (12) inwall.
Impeller the most according to claim 1, it is characterised in that: the side, side of described protection steel bushing (4) rotating disk dorsad (2)
On integrally formed with the pulverizing bluff body (6) for pulverized particles impurity.
Impeller the most according to claim 6, it is characterised in that: the table of described pulverizing bluff body (6) facing fluid flow direction
Face is arc surface.
Impeller the most according to claim 1, it is characterised in that: described blade (1) is to be welded and fixed bilayer together not
Rust steel blade (1).
Impeller the most according to claim 1, it is characterised in that: it is coated with anti-corrosion layer on described blade (1) surface.
Impeller the most according to claim 9, it is characterised in that: described anti-corrosion layer is corrosion inhibitor coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781364.2U CN205806010U (en) | 2016-07-21 | 2016-07-21 | Impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781364.2U CN205806010U (en) | 2016-07-21 | 2016-07-21 | Impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806010U true CN205806010U (en) | 2016-12-14 |
Family
ID=57509457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620781364.2U Expired - Fee Related CN205806010U (en) | 2016-07-21 | 2016-07-21 | Impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546902A (en) * | 2017-03-04 | 2018-09-18 | 曼卡车和巴士股份公司 | The method of internal combustion engine and crankcase and/or cylinder liner for manufacturing internal combustion engine |
-
2016
- 2016-07-21 CN CN201620781364.2U patent/CN205806010U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546902A (en) * | 2017-03-04 | 2018-09-18 | 曼卡车和巴士股份公司 | The method of internal combustion engine and crankcase and/or cylinder liner for manufacturing internal combustion engine |
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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: 20161214 Termination date: 20170721 |