CN207583624U - A kind of elastic composite spiral axial pump - Google Patents
A kind of elastic composite spiral axial pump Download PDFInfo
- Publication number
- CN207583624U CN207583624U CN201721788641.3U CN201721788641U CN207583624U CN 207583624 U CN207583624 U CN 207583624U CN 201721788641 U CN201721788641 U CN 201721788641U CN 207583624 U CN207583624 U CN 207583624U
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- CN
- China
- Prior art keywords
- arc
- spiral
- rachis
- inner ring
- transmission shaft
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Abstract
The utility model discloses a kind of elastic composite spiral axial pump, including initiative drive shaft, slave drive axis, third transmission shaft, casing, wear-resisting inner ring and supporting rib;The casing internal rotation is provided with initiative drive shaft, slave drive axis and third transmission shaft, the first driving gear on initiative drive shaft is intermeshed with the first driven gear on slave drive axis, and the second driving gear on slave drive axis is intermeshed with the second driven gear on third transmission shaft;The first spiral rachis is provided on the third transmission shaft, the second spiral rachis is provided on slave drive axis, the first spiral rachis mutually agrees with the second spiral rachis;Sealing device is provided on slave drive axis and third transmission shaft, and chassis cavity is divided into drive cavity and liquid conveyor chamber;The utility model is simple in structure, and wear-resistant effect is good, and transfer efficiency is high, can be widely popularized and be applied.
Description
【Technical field】
The utility model is related to the technology necks of the technical field of spiral axial pump, particularly elastomer composite spiral axial pump
Domain.
【Background technology】
Spiral axial pump is that water or liquid are transported to outlet by helical blade to exclude, its main feature
Be pump case and blade gap it is smaller, flow is lost small, and the efficiency of pump is high, lift height etc., therefore industrially obtains widely should
With, but there are wedge angles for the blade-shaped line of traditional helicoidal pump, transition is not round and smooth, and conjugated manner is conjugated for dotted line, should in transmission
It is easy to wear wedge angle in, so as to cause sealing effect poor, water or fluid loss are more, and the efficiency of pump is using very
Low, discharge pressure reduces, while during the work time, the easy judder of the pump housing increases uneven stability during pump operation, sternly
Influence the use of people again, for above-mentioned spiral axial pump there are the problem of, it is necessary to spiral axial pump is improved and is set
Meter so that spiral axial pump can not only ensure preferable impeller clearance, while can ensure good stationarity.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of elastic composite spiral axial pump,
It can make that spiral axial direction pump seal performance is more preferable, and blade is not easy to wear, discharge pressure is high, and passability is good.
To achieve the above object, the utility model proposes a kind of elastic composite spiral axial pump, including initiative drive shaft,
Slave drive axis, third transmission shaft, casing, wear-resisting inner ring and supporting rib;Casing internal rotation be provided with initiative drive shaft,
Slave drive axis and third transmission shaft, the first driving gear on initiative drive shaft and the first driven gear on slave drive axis
It is intermeshed, the second driving gear on slave drive axis is intermeshed with the second driven gear on third transmission shaft;It is described
The first spiral rachis is provided on third transmission shaft, is provided with the second spiral rachis on slave drive axis, the first spiral rachis with
Second spiral rachis mutually agrees with;Sealing device is provided on slave drive axis and third transmission shaft, and chassis cavity is divided into biography
Dynamic chamber and liquid conveyor chamber;
The side view shape line of the first spiral rachis is symmetrical about its horizontal center line, the shape line point on the downside of horizontal center line
It is not made of arc HA, cycloid AB, cycloid BC, arc CD, arc DE, arc EF and arc FG, adjacent shape line is tangent;Second spiral rachis side view
Shape line is symmetrical about its horizontal center line, the shape line on the downside of horizontal center line respectively by arc H ' A ', cycloid A ' B ', cycloid B ' C ',
Arc C ' D ', arc D ' E ', arc E ' F ' and arc F ' G ' compositions, adjacent shape line are tangent;The cycloid AB and arc E ' F ' conjugation, cycloid BC with
Arc D ' E ' conjugation, arc DE and cycloid B ' C ' conjugation, arc EF and cycloid A ' B ' conjugation, arc FG and arc H ' A ' conjugation, F ' G ' and arc HA
Conjugation;
Skeleton radius of corner on the support frame of the first spiral rachis and the second spiral rachis is 1.5mm-
3.5mm, support frame outer side covering have a rubber layer, and the thickness of rubber layer is 4.6mm-15.8mm, the rubber fillet in rubber layer
Radius be 0.1-0.4mm.
Preferably, the internal side of shell wall is additionally provided with wear-resisting inner ring, wear-resisting inner ring be coated on the first spiral rachis and
On the outside of second spiral rachis, the inner wall of wear-resisting inner ring is in contact with the first spiral rachis and the second spiral rachis lateral wall, wear-resisting
Inner ring includes upper inner ring and lower inner ring, is fixedly connected between upper inner ring and lower inner ring by supporting rib.
Preferably, the first spiral rachis, the second spiral rachis and wear-resisting inner ring are located inside liquid conveyor chamber;Institute
The first driving gear, the first driven gear, the second driving gear and the second driven gear is stated to be located inside drive cavity;The conveying
Inlet and liquid outlet are provided on chamber lateral wall.
Preferably, the initiative drive shaft, slave drive axis and third transmission shaft are rotatably installed in by bearing
Casing internal, initiative drive shaft one end are stretched out on the outside of casing, and initiative drive shaft one end is provided with transmission keyway.
The beneficial effects of the utility model:The utility model is by by the leaf on the first spiral rachis and the second spiral rachis
Piece shape line is arranged to several sections of circular arcs or cycloid composition, and there are conjugate relations between corresponding circular arc or cycloid, preferably avoid
The defects of blade-shaped line is not round and smooth so that blade abrasion resistant effect improves;Support frame outer side covering has rubber layer, rubber layer
Thickness is 4.6mm-15.8mm, and the radius of the rubber fillet in rubber layer is 0.1-0.4mm, it is ensured that is carrying out liquid transporting
When good leakproofness and transfer efficiency, greatly reduce fluid loss rate;The utility model is simple in structure, wear-resistant effect
Good, transfer efficiency is high, can be widely popularized and be applied.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of main view sectional view of elastic composite spiral axial pump of the utility model;
Fig. 2 is the first spiral rachis and the second helical-blade spindle-type line of a kind of elastic composite spiral axial pump of the utility model
Structure diagram;
Fig. 3 is a kind of side elevational cross-section schematic diagram of elastic composite spiral axial pump of the utility model;
Fig. 4 is a kind of the first spiral rachis of elastic composite spiral axial pump of the utility model, the second spiral rachis, wear-resisting
Inner ring and supporting rib dimensional structure diagram;
Fig. 5 is a kind of the first spiral rachis of elastic composite spiral axial pump of the utility model and the engagement of the second spiral rachis
Diagrammatic cross-section during transmission;
Fig. 6 is a kind of the first spiral rachis of elastic composite spiral axial pump of the utility model and the engagement of the second spiral rachis
Section close-up schematic view during transmission.
In figure:1- initiative drive shafts, the first driving gears of 2-, 3- slave drives axis, the first driven gears of 4-, 5- second are led
Moving gear, 6- thirds transmission shaft, the second driven gears of 7-, the first spirals of 8- rachis, the second spirals of 9- rachis, 10- sealing devices,
11- drive cavities, 12- liquid conveyor chamber, 13- casings, 14- inlets, 15- liquid outlets, 16- arc HA, 17- cycloid AB, 18- cycloids
BC, 19- arc CD, 20- arc DE, 21- arc EF, 22- arc FG, 23- arc H ' A ', 24- cycloid A ' B ', 25- cycloid B ' C ', 26- arcs C '
D ', 27- arc D ' E ', 28- arc E ' F ', 29- arc F ' G ', the wear-resisting inner ring of 30-, 31- supporting ribs, 32- support frames, 33- skeletons circle
Angle, 34- rubber fillet, 35- rubber layers.
【Specific embodiment】
Refering to Fig. 1-Fig. 6, a kind of elastic composite spiral axial pump of the utility model, including initiative drive shaft 1, slave drive
Axis 3, third transmission shaft 6, casing 13, wear-resisting inner ring 30 and supporting rib 31;13 inner rotation of casing, which is provided with, to be actively driven
Axis 1, slave drive axis 3 and third transmission shaft 6, the first driving gear 2 on initiative drive shaft 1 and the on slave drive axis 3
One driven gear 4 is intermeshed, the second driving gear 5 on slave drive axis 3 and the second driven gear on third transmission shaft 6
7 intermeshings;The first spiral rachis 8 is provided on the third transmission shaft 6, the second helical-blade is provided on slave drive axis 3
Axis 9, the first spiral rachis 8 mutually agree with the second spiral rachis 9;Sealing is provided on slave drive axis 3 and third transmission shaft 6
13 inner cavity of casing is divided into drive cavity 11 and liquid conveyor chamber 12 by device 10;The side view shape line of the first spiral rachis 8 closes
It is symmetrical in its horizontal center line, shape line on the downside of horizontal center line respectively by arc HA16, cycloid AB17, cycloid BC18, arc CD19,
Arc DE20, arc EF21 and arc FG22 compositions, adjacent shape line are tangent;Second spiral rachis, 9 side view shape line is about its horizontal center line
Symmetrically, the shape line on the downside of horizontal center line is respectively by arc H ' A ' 23, cycloid A ' B ' 24, cycloid B ' C ' 25, arc C ' D ' 26, arc D ' E '
27th, arc E ' F ' 28 and arc F ' G ' 29 are formed, and adjacent shape line is tangent;The cycloid AB17 and arc E ' F ' 28 are conjugated, cycloid BC18 with
Arc D ' E ' 27 are conjugated, and arc DE20 and cycloid B ' C ' 25 are conjugated, and arc EF21 and cycloid A ' B ' 24 are conjugated, and arc FG22 and arc H ' A ' 23 are common
Yoke, F ' G ' 29 and arc HA16 are conjugated;Skeleton circle on the support frame 32 of the first spiral rachis 8 and the second spiral rachis 9
33 radius of angle is 1.5mm-3.5mm, and 32 outer side covering of support frame has rubber layer 35, and the thickness of rubber layer 35 is 4.6mm-
15.8mm, the radius of the rubber fillet 34 in rubber layer 35 is 0.1-0.4mm;13 madial wall of casing is additionally provided in wear-resisting
Ring 30, wear-resisting inner ring 30 are coated on 9 outside of the first spiral rachis 8 and the second spiral rachis, the inner wall and first of wear-resisting inner ring 30
8 and second spiral rachis of spiral rachis, 9 lateral wall is in contact, and wear-resisting inner ring 30 includes upper inner ring and lower inner ring, and upper inner ring is under
It is fixedly connected between inner ring by supporting rib 31;The first spiral rachis 8, the second spiral rachis 9 and wear-resisting inner ring 30
Inside liquid conveyor chamber 12;First driving gear 2, the first driven gear 4, the second driving gear 5 and second are driven
Gear 7 is located inside drive cavity 11;Inlet 14 and liquid outlet 15 are provided on 12 lateral wall of conveyor chamber;The active passes
Moving axis 1, slave drive axis 3 and third transmission shaft 6 by bearing be rotatably installed in inside casing 13, initiative drive shaft 1 one
13 outside of casing is stretched out at end, and 1 one end of initiative drive shaft is provided with transmission keyway.
Utility model works process:
A kind of elastic composite spiral axial pump of the utility model during the work time, by 1 one end of initiative drive shaft and is driven
Motor is driven by key, and initiative drive shaft 1 passes through the first driving gear 2, the first driven gear 4, the second driving tooth
5 and second driven gear of wheel causes slave drive axis 3 and third transmission shaft 6 to rotate, so that 8 He of the first spiral rachis
Second spiral rachis 9 rotates, it would be desirable to which the liquid of conveying is entered by inlet 14, then by the first spiral rachis 8
Effect with the second spiral rachis 9 is discharged from liquid outlet 15, so as to fulfill the conveying of liquid.
The utility model by the blade-shaped line on the first spiral rachis 8 and the second spiral rachis 9 by being arranged to several sections
Circular arc or cycloid composition, there are conjugate relations between corresponding circular arc or cycloid, and it is not round and smooth preferably to avoid blade-shaped line
Defect so that blade abrasion resistant effect improves;32 outer side covering of support frame has rubber layer 35, and the thickness of rubber layer 35 is 4.6mm-
15.8mm, the radius of the rubber fillet 34 in rubber layer 35 is 0.1-0.4mm, it is ensured that good when liquid transporting is carried out
Good leakproofness and transfer efficiency, greatly reduce fluid loss rate;The utility model is simple in structure, and wear-resistant effect is good, conveying
It is efficient, it can be widely popularized and be applied.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Scheme after type simple transformation belongs to the scope of protection of the utility model.
Claims (4)
1. a kind of elastic composite spiral axial pump, it is characterised in that:Including initiative drive shaft (1), slave drive axis (3), third
Transmission shaft (6), casing (13), wear-resisting inner ring (30) and supporting rib (31);Casing (13) inner rotation, which is provided with, actively to be passed
Moving axis (1), slave drive axis (3) and third transmission shaft (6), the first driving gear (2) and driven biography on initiative drive shaft (1)
The first driven gear (4) on moving axis (3) is intermeshed, and the second driving gear (5) on slave drive axis (3) is driven with third
The second driven gear (7) intermeshing on axis (6);The first spiral rachis (8) is provided on the third transmission shaft (6), from
The second spiral rachis (9) is provided on dynamic transmission shaft (3), the first spiral rachis (8) mutually agrees with the second spiral rachis (9);
Sealing device (10) is provided on slave drive axis (3) and third transmission shaft (6), casing (13) inner cavity is divided into drive cavity
(11) and liquid conveyor chamber (12);
The side view shape line of the first spiral rachis (8) is symmetrical about its horizontal center line, the shape line point on the downside of horizontal center line
It is not made of arc HA (16), cycloid AB (17), cycloid BC (18), arc CD (19), arc DE (20), arc EF (21) and arc FG (22),
Adjacent shape line is tangent;Second spiral rachis (9) side view shape line is symmetrical about its horizontal center line, the shape line on the downside of horizontal center line
Respectively by arc H ' A ' (23), cycloid A ' B ' (24), cycloid B ' C ' (25), arc C ' D ' (26), arc D ' E ' (27), arc E ' F ' (28) and
Arc F ' G ' (29) are formed, and adjacent shape line is tangent;The cycloid AB (17) is conjugated with arc E ' F ' (28), cycloid BC (18) and arc D ' E '
(27) it is conjugated, arc DE (20) and cycloid B ' C ' (25) are conjugated, and arc EF (21) and cycloid A ' B ' (24) are conjugated, arc FG (22) and arc H '
A ' (23) is conjugated, and F ' G ' (29) and arc HA (16) is conjugated;
Skeleton fillet (33) radius on the support frame (32) of the first spiral rachis (8) and the second spiral rachis (9) is
1.5mm-3.5mm, support frame (32) outer side covering have rubber layer (35), and the thickness of rubber layer (35) is 4.6mm-15.8mm,
The radius of rubber fillet (34) in rubber layer (35) is 0.1-0.4mm.
2. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that:Casing (13) madial wall is also
Wear-resisting inner ring (30) is provided with, wear-resisting inner ring (30) is coated on the outside of the first spiral rachis (8) and the second spiral rachis (9), resistance to
The inner wall of mill inner ring (30) is in contact with the first spiral rachis (8) and second spiral rachis (9) lateral wall, wear-resisting inner ring (30) packet
Upper inner ring and lower inner ring are included, is fixedly connected between upper inner ring and lower inner ring by supporting rib (31).
3. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that:The first spiral rachis (8),
Second spiral rachis (9) and wear-resisting inner ring (30) are internal positioned at liquid conveyor chamber (12);First driving gear (2), first
Driven gear (4), the second driving gear (5) and the second driven gear (7) are internal positioned at drive cavity (11);The conveyor chamber (12)
Inlet (14) and liquid outlet (15) are provided on lateral wall.
4. a kind of elastic composite spiral axial pump as described in claim 1, it is characterised in that:The initiative drive shaft (1), from
Dynamic transmission shaft (3) and third transmission shaft (6) carry out being rotatably installed in casing (13) inside, initiative drive shaft (1) one by bearing
End is stretched out on the outside of casing (13), and initiative drive shaft (1) one end is provided with transmission keyway.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721788641.3U CN207583624U (en) | 2017-12-20 | 2017-12-20 | A kind of elastic composite spiral axial pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721788641.3U CN207583624U (en) | 2017-12-20 | 2017-12-20 | A kind of elastic composite spiral axial pump |
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Publication Number | Publication Date |
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CN207583624U true CN207583624U (en) | 2018-07-06 |
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CN201721788641.3U Withdrawn - After Issue CN207583624U (en) | 2017-12-20 | 2017-12-20 | A kind of elastic composite spiral axial pump |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108266373A (en) * | 2017-12-20 | 2018-07-10 | 杭州电子科技大学 | A kind of elastic composite spiral axial pump |
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2017
- 2017-12-20 CN CN201721788641.3U patent/CN207583624U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108266373A (en) * | 2017-12-20 | 2018-07-10 | 杭州电子科技大学 | A kind of elastic composite spiral axial pump |
CN108266373B (en) * | 2017-12-20 | 2023-06-30 | 杭州电子科技大学 | Elastic composite spiral axial pump |
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GR01 | Patent grant | ||
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AV01 | Patent right actively abandoned | ||
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AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20230630 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20230630 |