CN109173370A - A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer - Google Patents
A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer Download PDFInfo
- Publication number
- CN109173370A CN109173370A CN201811056727.6A CN201811056727A CN109173370A CN 109173370 A CN109173370 A CN 109173370A CN 201811056727 A CN201811056727 A CN 201811056727A CN 109173370 A CN109173370 A CN 109173370A
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- Prior art keywords
- filter screen
- filter
- strainer
- impeller
- screw thread
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/014—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
本发明公开了本发明一种螺纹紧固式水轮机推力外循环油过滤器，将过滤网设计成锥型结构，可以增大滤网过滤面积，从而提高过滤效率，锥型结构的过滤网可以有效减少滤渣堵塞网孔，过滤网通过过滤器母盘、过滤器公盘配合螺纹压装提高了拆装效率；在过滤网下方设有过滤网支架，设置过滤网支架，一方面对过滤网起到支撑作用，避免过滤网在液体流动大时，挤压过滤网变形影响正常过滤；另一方面过滤网支架用来架设叶轮和滤网防堵塞装置；设置架设叶轮和滤网防堵塞装置，通过液体流动带动叶轮转动，叶轮再带动滤网防堵塞装置将滤网上的堵塞物清除；本发明创造性的利用液体流动的动能带动叶轮转动，叶轮再带动滤网防堵塞装置将滤网上的堵塞物清除。
The invention discloses a screw-fastened hydraulic turbine thrust external circulation oil filter of the present invention. The filter screen is designed into a conical structure, which can increase the filtering area of the filter screen, thereby improving the filtering efficiency, and the filter screen of the conical structure can effectively To reduce the clogging of the mesh holes by the filter residue, the filter screen is press-fitted by the filter mother plate and the filter male plate to improve the disassembly and assembly efficiency. The support function prevents the filter screen from being squeezed and deformed to affect normal filtration when the liquid flow is large; on the other hand, the filter screen bracket is used to erect the impeller and the filter screen anti-clogging device; The flow drives the impeller to rotate, and the impeller drives the filter screen anti-clogging device to remove the blockage on the filter screen; the present invention creatively utilizes the kinetic energy of the liquid flow to drive the impeller to rotate, and the impeller drives the filter screen anti-clogging device to remove the blockage on the filter screen.
Description
Technical field
The present invention relates to turbine equipment technical fields, and in particular to a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil
Filter.
Background technique
Hydraulic turbine thrust outer circulation oil strainer usually relies on the strainer filtering sundries on its internal chuck.Filter screen is broken
Damage, which then needs to dismantle chuck, to be replaced.
Former chuck is that filter screen is clipped in three middle of the disies, will using nut by being arranged in the screw hole of disk surrounding
Three disk band tight integrations form.As shown in Figure 1.1 is the screw hole on disk in figure.
Former chuck combined method needs to dismantle screw when replacing strainer, and needs the aperture on new filter screen, reserves
Screw hole as shown in the figure.Therefore, trouble when former combined method is not only replaced, and the strainer replaced often occurs in the position of screw hole
Damaged situation.There is the run-down situation of filter screen also often because chuck undercut keying strength is inadequate in former combined method.
In addition, existing filter screen structure is easy to cause blocking, when pipeline blocks, need to dismantle pipeline carry out and
Shi Qingli, and periodic inspection is needed, to influence hydraulic turbine normal work.
Summary of the invention
The purpose of the present invention is to overcome the shortage of prior art, and provides a kind of screw thread fastening type hydraulic turbine thrust outer circulation
Oil strainer solves former combined method also often because chuck undercut keying strength is inadequate, and the run-down situation of filter screen occurs,
In addition, existing filter screen structure is easy to cause blocking, when pipeline blocks, needs to dismantle pipeline and is cleared up in time,
And periodic inspection is needed, to influence the problem of hydraulic turbine works normally.
The present invention is achieved through the following technical solutions:
A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer, including filter stamper, filter public affairs disk, filtering
Net and filter screen stand, the filter stamper are L-type cyclic structure, and inner thread mouth is equipped on filter stamper；The mistake
Filter public affairs disk is cyclic structure, is equipped on filter public affairs disk and matches external screw thread with inner thread mouth；The filter screen includes
Tapered filter screen is equipped with strainer flange in the opening of tapered filter screen；The filter screen stand is to match with tapered filter screen
The tapered cross structure closed is equipped with filter screen stand flange in filter screen stand opening.
The filter screen stand is placed in filter stamper by filter screen stand flange, the tip of filter screen stand to
On, the filter screen is placed in filter stamper by strainer flange, and the filtration net cover is on filter screen stand, the mistake
Filter public affairs disk is mounted in the inner thread mouth of filter stamper by closing external screw thread, filter screen and filter screen stand is compressed solid
It is fixed.
A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer of the present invention, is designed to tapered structure for filter screen,
Strainer filtering area can be increased, thereby improving filtration efficiency, the filter screen of tapered structure can effectively reduce filter residue blocking net
Hole, filter screen improve disassembly efficiency by filter stamper, the press fitting of filter public affairs disk matching thread.
It is equipped with filter screen stand below filter screen, filter screen stand is set, is on the one hand played a supporting role to filter screen,
Avoid filter screen when liquid flowing is big, squeezing filter screen deformation influences normal filtration；Another aspect filter screen stand is used to frame
If impeller and strainer preventing clogging up device.
Setting sets up impeller and strainer preventing clogging up device, flows impeller rotation by liquid, impeller is again with electric filter
Preventing clogging up device removes the tamper on strainer；The kinetic energy impeller using liquid flowing of the invention rotates,
Without adding kinetic energy equipment outside, impeller again removes the tamper on strainer with electric filter preventing clogging up device.
It is equipped with residue collection slot in filter public affairs disk inner ring lower part, the residue collection slot internal orifice top is equipped with filter screen
Circle, the filtration ring net lower end are connected with the oblique ring flat-plate of the water conservancy diversion being inclined outwardly, and the filtration ring net upper end is connected with inward slant
The oblique ring flat-plate of baffle.The filter residue slid from tapered filter screen gathers tapered filtering sieve bottom, if handled not in time, in liquid
Under the flowing of body, filter residue meeting vibration may be got lodged on mesh, be provided with above-mentioned residue collection structure, slid from tapered filter screen
Filter residue gather tapered filtering sieve bottom, filter residue enters residue collection slot from the oblique ring flat-plate of water conservancy diversion under liquid flowing, into filter
Slag collecting tank filter residue prevents liquid from passing through since filtration ring net is collected by filtration in residue collection slot, by the way that the oblique ring flat-plate of baffle is arranged
Filtration ring net enters in residue collection slot, and after filter residue is filled in residue collection slot, regular dismounting filter public affairs disk is cleaned.
Further, the filter public affairs disk inner ring lower part is equipped with residue collection slot, the residue collection slot internal orifice top
Equipped with filtration ring net, the filtration ring net lower end is connected with the oblique ring flat-plate of the water conservancy diversion being inclined outwardly, the filtration ring net upper end connection
There is the oblique ring flat-plate of intilted baffle.
Further, the filter stamper below the inner thread mouth is equipped with strainer and installs annular groove, the strainer flange
Outer ring is equipped with vertically disposed snap ring, and the snap ring is plugged in strainer installation annular groove.
Further, impeller support frame is equipped in the filter screen stand flange, impeller support frame center is hung down
It is directly equipped with impeller shaft, the impeller shaft is equipped with impeller, and every lodicule outer end of the impeller is equipped with strainer preventing clogging up device, leads to
Liquid flowing impeller rotation is crossed, the impeller again removes the tamper on strainer with electric filter preventing clogging up device.
Further, the strainer preventing clogging up device includes that strainer sweeps head and telescopic arm, and the strainer is swept head setting and stretched
Contracting arm outer end, the telescopic arm inner end are connected on lodicule outer end, and the bristle that strainer sweeps head is attached on filter screen inner wall.
Further, the telescopic arm includes splined sleeve, spline housing axis and tensioning spring, and described splined sleeve one end connects
It connecing and is swept on head in strainer, spline housing axis one end is connected on lodicule outer end, after the tensioning spring is set in spline housing axis,
Another end cap of splined sleeve is on another end of spline housing axis.
Compared with prior art, the present invention having the following advantages and benefits:
A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer of the present invention, is designed to tapered structure for filter screen,
Strainer filtering area can be increased, thereby improving filtration efficiency, the filter screen of tapered structure can effectively reduce filter residue blocking net
Hole, filter screen improve disassembly efficiency by filter stamper, the press fitting of filter public affairs disk matching thread；
It is equipped with filter screen stand below filter screen, filter screen stand is set, is on the one hand played a supporting role to filter screen,
Avoid filter screen when liquid flowing is big, squeezing filter screen deformation influences normal filtration；Another aspect filter screen stand is used to frame
If impeller and strainer preventing clogging up device；
Setting sets up impeller and strainer preventing clogging up device, flows impeller rotation by liquid, impeller is again with electric filter
Preventing clogging up device removes the tamper on strainer；The kinetic energy impeller using liquid flowing of the invention rotates,
Without adding kinetic energy equipment outside, impeller again removes the tamper on strainer with electric filter preventing clogging up device.
It is equipped with residue collection slot in filter public affairs disk inner ring lower part, the residue collection slot internal orifice top is equipped with filter screen
Circle, the filtration ring net lower end are connected with the oblique ring flat-plate of the water conservancy diversion being inclined outwardly, and the filtration ring net upper end is connected with inward slant
The oblique ring flat-plate of baffle.The filter residue slid from tapered filter screen gathers tapered filtering sieve bottom, if handled not in time, in liquid
Under the flowing of body, filter residue meeting vibration may be got lodged on mesh, be provided with above-mentioned residue collection structure, slid from tapered filter screen
Filter residue gather tapered filtering sieve bottom, filter residue enters residue collection slot from the oblique ring flat-plate of water conservancy diversion under liquid flowing, into filter
Slag collecting tank filter residue prevents liquid from passing through since filtration ring net is collected by filtration in residue collection slot, by the way that the oblique ring flat-plate of baffle is arranged
Filtration ring net enters in residue collection slot, and after filter residue is filled in residue collection slot, regular dismounting filter public affairs disk is cleaned.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the existing filter screen of the present invention；
Fig. 2 is a kind of structural schematic diagram of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer of the present invention；
Fig. 3 is the structural schematic diagram amplified at A in Fig. 2 of the present invention；
Label and corresponding parts title in attached drawing:
1- filter stamper, 2- filter public affairs disk, 3- filter screen, 4- filter screen stand, 5- inner thread mouth, the tapered filtering of 6-
Net, 7- strainer flange, 8- filter screen bracket flange, 9- residue collection slot, 10- filtration ring net, the oblique ring flat-plate of 11- water conservancy diversion, 12- baffle are oblique
Ring flat-plate, 13- strainer install annular groove, 14- snap ring, 15- impeller support frame, 16- impeller shaft, 17- impeller, 18- lodicule, 19- strainer
Sweep head, 20- telescopic arm, 21- bristle, 22- splined sleeve, 23- spline housing axis, 24- tensioning spring.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Fig. 2, a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer of the present invention, including filter stamper
1, filter public affairs disk 2, filter screen 3 and filter screen stand 4, filter stamper 1 are L-type cyclic structure, are set on filter stamper 1
There is inner thread mouth 5；The filter public affairs disk 2 is cyclic structure, is equipped with outside matching with inner thread mouth 5 on filter public affairs disk 2
Screw thread；Filter screen improves disassembly efficiency by filter stamper, the press fitting of filter public affairs disk matching thread；The filter screen 3 wraps
Tapered filter screen 6 has been included, strainer flange 7 is equipped in the opening of tapered filter screen 6；Filter screen is designed to tapered structure, it can
To increase strainer filtering area, thereby improving filtration efficiency, the filter screen of tapered structure can effectively reduce filter residue blocking mesh,
The filter screen stand 4 is the tapered cross structure matched with tapered filter screen 6, is equipped in the opening of filter screen stand 4
Filter screen bracket flange 8；It is equipped with filter screen stand below filter screen, filter screen stand is set, branch on the one hand is played to filter screen
Support effect avoids filter screen when liquid flowing is big, and squeezing filter screen deformation influences normal filtration；Another aspect filter screen stand
For setting up impeller and strainer preventing clogging up device.
The filter screen stand 4 is placed in filter stamper 1 by filter screen stand flange 8, the point of filter screen stand 4
Portion is upward, and the filter screen 3 is also disposed in filter stamper 1 by strainer flange 7, and 3 sets of the filter screen is in filter screen branch
On frame 4, the filter public affairs disk 2 is mounted in the inner thread mouth 5 of filter stamper 1 by closing external screw thread, by filter screen 3 and mistake
Filter screen bracket 4 is fixed.
A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer of the present invention, is designed to tapered structure for filter screen,
Strainer filtering area can be increased, thereby improving filtration efficiency, the filter screen of tapered structure can effectively reduce filter residue blocking net
Hole, filter screen improve disassembly efficiency by filter stamper, the press fitting of filter public affairs disk matching thread.
It is equipped with filter screen stand below filter screen, filter screen stand is set, is on the one hand played a supporting role to filter screen,
Avoid filter screen when liquid flowing is big, squeezing filter screen deformation influences normal filtration；Another aspect filter screen stand is used to frame
If impeller and strainer preventing clogging up device.
Setting sets up impeller and strainer preventing clogging up device, flows impeller rotation by liquid, impeller is again with electric filter
Preventing clogging up device removes the tamper on strainer；The kinetic energy impeller using liquid flowing of the invention rotates,
Without adding kinetic energy equipment outside, impeller again removes the tamper on strainer with electric filter preventing clogging up device.It is filtering
Device public affairs disk inner ring lower part is equipped with residue collection slot, and the residue collection slot internal orifice top is equipped with filtration ring net, the filtration ring net
Lower end is connected with the oblique ring flat-plate of the water conservancy diversion being inclined outwardly, and the filtration ring net upper end is connected with the oblique ring flat-plate of intilted baffle.From
The filter residue slid on tapered filter screen gathers tapered filtering sieve bottom, if handled not in time, under the flowing of liquid, and filter residue
Meeting vibration may be got lodged on mesh, be provided with above-mentioned residue collection structure, and the filter residue slid from tapered filter screen gathers cone
Type filters sieve bottom, and filter residue from the oblique ring flat-plate of water conservancy diversion enters residue collection slot under liquid flowing, into residue collection slot filter residue by
It is collected by filtration in residue collection slot in filtration ring net, prevents liquid from entering filter by filtration ring net by the way that the oblique ring flat-plate of baffle is arranged
In slag collecting tank, after filter residue is filled in residue collection slot, regular dismounting filter public affairs disk is cleaned.
It is equipped with residue collection slot 9 in 2 inner ring lower part of filter public affairs disk, the 9 internal orifice top of residue collection slot is equipped with filtering
Net circle 10,10 lower end of filtration ring net are connected with the oblique ring flat-plate 11 of the water conservancy diversion being inclined outwardly, 10 upper end of the filtration ring net connection
There is the oblique ring flat-plate 12 of intilted baffle.The filter residue slid from tapered filter screen 6 gathers tapered 6 bottom of filter screen, if
It handles not in time, under the flowing of liquid, filter residue meeting vibration may be got lodged on mesh, it is provided with above-mentioned residue collection structure, from
The filter residue slid on tapered filter screen 6 gathers tapered 6 bottom of filter screen, filter residue under liquid flowing from the oblique ring flat-plate 11 of water conservancy diversion into
Enter residue collection slot 9, into 9 filter residue of residue collection slot since filtration ring net 10 is collected by filtration in residue collection slot 9, by setting
Setting the oblique ring flat-plate 12 of baffle prevents liquid from entering in residue collection slot 9 by filtration ring net 10, and filter residue is filled in residue collection slot 9
Afterwards, regular dismounting filter public affairs disk 2 is cleaned.
The 2 inner ring lower part of filter public affairs disk is equipped with residue collection slot 9, and the 9 internal orifice top of residue collection slot was equipped with
Strainer circle 10,10 lower end of filtration ring net are connected with the oblique ring flat-plate 11 of the water conservancy diversion being inclined outwardly, and 10 upper end of filtration ring net connects
It is connected to the oblique ring flat-plate 12 of intilted baffle.
The filter stamper 1 of 5 lower section of inner thread mouth is equipped with strainer and installs annular groove 13, the strainer flange outer ring 7
It is equipped with vertically disposed snap ring 14, the snap ring 14 is plugged in strainer installation annular groove 13.By setting snap ring 14 convenient for peace
Filter screen 3 is filled, prevents filter screen 3 from falling off.
It is equipped with impeller support frame 15 in the filter screen stand flange 8,15 center of impeller support frame is vertically set
There is impeller shaft 16, the impeller shaft 16 is equipped with impeller 17, and 18 outer end of every lodicule of the impeller 17 is equipped with strainer anti-clogging
Device flows impeller 17 by liquid and rotates, and the impeller 17 is again with electric filter preventing clogging up device by the blocking on strainer 3
Object is removed.Setting sets up impeller and strainer preventing clogging up device, flows impeller rotation by liquid, band electric filter is anti-again for impeller
Blocking device removes the tamper on strainer；The kinetic energy impeller using liquid flowing of the invention rotates, from
Without adding kinetic energy equipment outside, impeller again removes the tamper on strainer with electric filter preventing clogging up device.Impeller 17 1
As be arranged two lodicules 18, avoid influence flow rate of liquid.
The strainer preventing clogging up device includes that strainer sweeps first 19 and telescopic arm 20, and the strainer is swept first 19 and is arranged in telescopic arm
20 outer ends, 20 inner end of telescopic arm are connected on 18 outer end of lodicule, and the bristle 21 that strainer sweeps first 19 is attached to 3 inner wall of filter screen
On.
The telescopic arm 20 includes splined sleeve 22, spline housing axis 23 and tensioning spring 24, described 22 one end of splined sleeve
It is connected to strainer to sweep on first 19, described 23 one end of spline housing axis is connected on 18 outer end of lodicule, and the tensioning spring 24 is set in
After spline housing axis 23, another end cap of splined sleeve 22 is on another end of spline housing axis 23.Telescopic arm 20 passes through tension structure just
It is attached on 3 inner wall of filter screen in bristle 21.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer, including filter stamper (1), filter public affairs disk (2),
Filter screen (3) and filter screen stand (4), it is characterised in that: the filter stamper (1) is L-type cyclic structure, in filter mother
Disk (1) is equipped with inner thread mouth (5)；The filter public affairs disk (2) be cyclic structure, on filter public affairs disk (2) be equipped with it is interior
Screw thread mouth (5) matches external screw thread；The filter screen (3) includes tapered filter screen (6), the opening in tapered filter screen (6)
It is equipped with strainer flange (7)；The filter screen stand (4) is the tapered cross structure matched with tapered filter screen (6), in mistake
Filter screen bracket (4) opening is equipped with filter screen stand flange (8)；
The filter screen stand (4) is placed in filter stamper (1) by filter screen stand flange (8), filter screen stand (4)
Tip it is upward, the filter screen (3) is also disposed in filter stamper (1) by strainer flange (7), the filter screen (3)
It covers on filter screen stand (4), the internal screw thread that the filter public affairs disk (2) is mounted on filter stamper (1) by closing external screw thread
In mouth (5), filter screen (3) and filter screen stand (4) are fixed.
2. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer according to claim 1, it is characterised in that: institute
Filter public affairs disk (2) inner ring lower part is stated equipped with residue collection slot (9), residue collection slot (9) the internal orifice top is equipped with filter screen
It encloses (10), filtration ring net (10) lower end is connected with the oblique ring flat-plate of the water conservancy diversion being inclined outwardly (11), on the filtration ring net (10)
End is connected with the oblique ring flat-plate of intilted baffle (12).
3. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer according to claim 1, it is characterised in that: institute
It states the filter stamper (1) below inner thread mouth (5) and annular groove (13) is installed equipped with strainer, on the strainer flange outer ring (7)
Equipped with vertically disposed snap ring (14), the snap ring (14) is plugged in strainer installation annular groove (13).
4. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer according to claim 1, it is characterised in that: institute
It states in filter screen stand flange (8) and is equipped with impeller support frame (15), impeller support frame (15) center is vertically equipped with leaf
Wheel shaft (16), the impeller shaft (16) are equipped with impeller (17), and every lodicule (18) outer end of the impeller (17) is equipped with strainer
Preventing clogging up device, by liquid flowing impeller (17) rotation, band electric filter preventing clogging up device will be filtered the impeller (17) again
Tamper on net (3) is removed.
5. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer according to claim 4, it is characterised in that: institute
Stating strainer preventing clogging up device includes that strainer sweeps head (19) and telescopic arm (20), and the strainer is swept head (19) and is arranged in telescopic arm (20)
Outer end, telescopic arm (20) inner end are connected on lodicule (18) outer end, and the bristle (21) that strainer sweeps head (19) is attached to filter screen
(3) on inner wall.
6. a kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer according to claim 5, it is characterised in that: institute
Stating telescopic arm (20) includes splined sleeve (22), spline housing axis (23) and tensioning spring (24), described splined sleeve (22) one end
It is connected to strainer to sweep on head (19), described spline housing axis (23) one end is connected on lodicule (18) outer end, the tensioning spring
(24) after being set in spline housing axis (23), splined sleeve (22) another end cap is on spline housing axis (23) another end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056727.6A CN109173370A (en) | 2018-09-11 | 2018-09-11 | A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811056727.6A CN109173370A (en) | 2018-09-11 | 2018-09-11 | A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109173370A true CN109173370A (en) | 2019-01-11 |
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ID=64910249
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811056727.6A Pending CN109173370A (en) | 2018-09-11 | 2018-09-11 | A kind of screw thread fastening type hydraulic turbine thrust outer circulation oil strainer |
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| CN (1) | CN109173370A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119177928A (en) * | 2024-11-22 | 2024-12-24 | 马德宝真空设备集团有限公司 | Roots vacuum pump with dust filter |
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Application publication date: 20190111 |
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