CN209100337U - One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device - Google Patents
One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device Download PDFInfo
- Publication number
- CN209100337U CN209100337U CN201821812294.8U CN201821812294U CN209100337U CN 209100337 U CN209100337 U CN 209100337U CN 201821812294 U CN201821812294 U CN 201821812294U CN 209100337 U CN209100337 U CN 209100337U
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- CN
- China
- Prior art keywords
- pump
- pump cover
- wearing ring
- cover
- impeller
- Prior art date
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 24
- 238000010992 reflux Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It dredges Pump Suction Nozzle bicircular arcs water ring sealing device the utility model discloses one kind, including impeller, the impeller connection has removable impeller wearing ring, the impeller leading portion is equipped with apron plate, pump cover is set on the apron plate, connection is bolted between the pump cover and apron plate, pump cover wearing ring is set on the pump cover, and impeller wearing ring is located at pump cover wearing ring inner cavity, the front end connection of the pump cover wearing ring has suction cover, it is fixedly connected between the suction cover and pump cover wearing ring by stud, the left end of the suction cover and the right end of pump cover fit.The utility model stable connection, and high-pressure slurry and low pressure slurry can be effectively isolated, thus the phenomenon that avoiding the occurrence of reflux, and high pressure water injection is carried out by sealing water pipe, it prevents slurry from entering in seal clearance, plays better protective effect.
Description
Technical field
The utility model relates to dredge pump technical field more particularly to one kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing dress
It sets.
Background technique
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work.Water pump is before activation, it is necessary to make to pump
Be full of water in shell and suction hose, then start power-equipment, pump shaft impeller and water is made to do high speed rotary motion, water occur from
Heart movement, is thrown toward impeller outer edge, and the runner through volute pump case flows into the pressure pipe road of water pump.
Centrifugal excavating pump is widely used in harbour, river is dredged, reclaimed fields from the sea, the industries such as sand of dredging, and prophyll wheel is inhaled
Inlet seal is in the boundary for pumping interior high pressure and low pressure slurry, and leakproofness has important shadow to the performance and reliability of pump
It rings, the abrasion of sealing element is that one of region, and pump knot is seriously worn in flow passage part in Pulp pump and excavating pump at suction eye
One of the important content of structure design, for this purpose, dredging Pump Suction Nozzle bicircular arcs water ring sealing device we have proposed one kind to solve
The above problem.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of excavating pump sucking proposed
Mouth bicircular arcs water ring sealing device.
To achieve the goals above, the utility model adopts the technical scheme that
One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device, including impeller, and the impeller connection has dismountable leaf
Wearing ring is taken turns, the impeller leading portion is equipped with apron plate, is set with pump cover on the apron plate, leads between the pump cover and apron plate
It crosses bolt to be fixedly connected, pump cover wearing ring is set on the pump cover, and impeller wearing ring is located at pump cover wearing ring inner cavity, it is described
The front end connection of pump cover wearing ring has suction cover, is fixedly connected between the suction cover and pump cover wearing ring by stud, described
The left end of suction cover and the right end of pump cover fit, and are fixedly connected between the pump cover and suction cover by sucking bonnet bolt, institute
It states and sucking wear-resistant pipe is installed on the inside of suction cover, and the left end of sucking wear-resistant pipe and the right end of pump cover wearing ring fit, it is described
It is fixedly connected between sucking wear-resistant pipe and suction cover by sucking wear-resistant pipe bolt, is equipped on the pump cover and pump cover wearing ring
Through-hole, and two through-holes are mutually communicated, and the first sealing water pipe is equipped in the through-hole on the pump cover.
Preferably, the impeller wearing ring and impeller are fixedly connected by impeller wearing ring screw.
Preferably, the opposite side of the impeller wearing ring and pump cover wearing ring is equipped with arc groove, two arc groove phases
It is corresponding, and seal clearance is collectively formed in two arc grooves.
Preferably, the impeller wearing ring and pump cover wearing ring are all made of antifriction alloy and are made.
Preferably, multiple second sealing water pipes are evenly equipped on the suction cover.
Compared with prior art, the utility model has the beneficial effects that
1, by the combination of pump cover wearing ring, impeller wearing ring, the cambered surface of pump cover wearing ring, impeller wearing ring cambered surface it
Between formed a very little gap, the high-pressure slurry at impeller outlet is kept apart with the low pressure slurry at pump intake, thus prevent
Only slurry flows back；
2, by sealing water pipe high pressure water injection into gap, to be avoided that slurry enters in gap, thus be conducive into
Row protection, reduces abrasion；
3, Gothic seal clearance can be effectively reduced the mill particle in slurry and act on the erosive wear of clearance surface,
Reduce the abrasion of sealing surface, improves sealing effect；
In conclusion the utility model stable connection, and high-pressure slurry and low pressure slurry can be effectively isolated,
The phenomenon that avoid the occurrence of reflux, and high pressure water injection is carried out by sealing water pipe, it prevents slurry from entering in seal clearance, plays
Better protective effect.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Pump Suction Nozzle bicircular arcs water ring sealing device of dredging internal structure signal
Figure；
Fig. 2 be the utility model proposes a kind of Pump Suction Nozzle bicircular arcs water ring sealing device of dredging A at enlarged drawing.
In figure: 1 impeller, 2 apron plates, 3 pump covers, 4 pump cover wearing rings, 5 suction covers, 6 sucking wear-resistant pipes, 7 impeller wearing rings,
8 sucking bonnet bolts, 9 studs, 10 impeller wearing ring screws, 11 bolts, 12 first sealing water pipes, 13 sucking wear-resistant pipe bolts, 14
Through-hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, one kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device, including impeller 1, it is characterised in that: leaf
1 connection of wheel has removable impeller wearing ring 7, facilitates carry out installing and dismounting, and then be convenient for overhauling, and helps to extend use
Service life, 1 leading portion of impeller are equipped with apron plate 2, can effectively be protected, pump cover 3, pump cover 3 and apron plate 2 are set on apron plate 2
Between be fixedly connected by bolt 11, be easy to use, and the stability of connection can be effectively ensured；
Pump cover wearing ring 4 is set on pump cover 3, and impeller wearing ring 7 is located at 4 inner cavity of pump cover wearing ring, can effectively mitigate
The souring of slurry, and can guarantee the pump housing in the stabilization of long period performance, avoids excessive wear, before pump cover wearing ring 4
End connection has suction cover 5, convenient for that will mortgage slurry sucking, is fixedly connected between suction cover 5 and pump cover wearing ring 4 by stud 9,
It is bonded, the left end of suction cover 5 and the right end of pump cover 3 fit, solid by sucking bonnet bolt 8 between pump cover 3 and suction cover 5
Fixed connection, improves the stability of connection, and facilitate and dismounted, is convenient for overhauling；
Sucking wear-resistant pipe 6 is installed on the inside of suction cover 5, and sucks the left end of wear-resistant pipe 6 and the right end phase of pump cover wearing ring 4
Fitting, facilitates slurry to pass through, and be highly resistant to abrasion, prolongs the service life, and sucks between wear-resistant pipe 6 and suction cover 5 and passes through
Sucking wear-resistant pipe bolt 13 is fixedly connected, and through-hole 14 is equipped on pump cover 3 and pump cover wearing ring 4, and two through-holes 14 mutually pass through
It is logical, the first sealing water pipe 12 is installed in the through-hole 14 on pump cover 3, so as to make high pressure water by the first sealing water pipe 12 into
Enter, and the gap flowing between extension component reduces mill so as to effectively avoid the mill particle in slurry from entering in gap
Damage, the case where being protected to the pump housing, and can be isolated, avoid the occurrence of reflux high-pressure slurry and low pressure slurry.
In the utility model, impeller wearing ring 7 and impeller 1 are fixedly connected by impeller wearing ring screw 10, facilitate progress
Dismounting, consequently facilitating staff operates, the opposite side of impeller wearing ring 7 and pump cover wearing ring 4 is equipped with arc groove, and two
Arc groove is corresponding, and seal clearance is collectively formed in two arc grooves, and impeller wearing ring 7 and pump cover wearing ring 4 are all made of wear-resistant
Alloy is made, and improves wear-resisting property, prolongs the service life, and multiple second sealing water pipes are evenly equipped on suction cover 5, close by second
Seal water pipe can be filled the water into seal clearance, consequently facilitating high pressure water is flowed out by seal clearance, can stop the intracorporal model of slurry
Grain carries out in gap, improves protective capability.
In the utility model, in use, connection is fixed by impeller wearing ring screw 10 in impeller 1 and impeller wearing ring 7
It connects, so that 1 impeller wearing ring 7 of impeller be enable to rotate, passes through sucking wear-resistant pipe spiral shell between suction cover 5 and sucking wear-resistant pipe 6
Connection is fixed in bolt 13, and is equipped with arc groove between suction cover 5 and sucking wear-resistant pipe 6, and two arc grooves form lesser
Seal clearance is avoided that in gap there is mill property particle, protects at sealing, suction cover 5 and pump cover so that high pressure water be facilitated to flow
It is fixed by stud 9 between wearing ring 4, and can be coupled by sucking bonnet bolt 8 and being fixed with pump cover 3,7 He of impeller wearing ring
It is equipped with gap between pump cover wearing ring 4, the high-pressure slurry at impeller outlet is kept apart with the low pressure slurry at pump intake, prevents
High-pressure slurry, can be to through-hole 14 into gap by the first sealing water pipe 12 and the second sealing water pipe to reflux at pump intake low pressure
High pressure water is injected, thus it is convenient by being sprayed between impeller wearing ring 7 and pump cover wearing ring 4, form a water curtain style partition, energy
Slurry flowing is effectively reduced to wash away sealing surface, and can prevent slurry from flowing into gap, avoids that impeller wearing ring 7 is caused to grind
Damage is conducive to promote service life.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
- The Pump Suction Nozzle bicircular arcs water ring sealing device 1. one kind is dredged, including impeller (1), it is characterised in that: impeller (1) connection It is connected to removable impeller wearing ring (7), impeller (1) leading portion is equipped with apron plate (2), is set on the apron plate (2) Pump cover (3) is fixedly connected by bolt (11) between the pump cover (3) and apron plate (2), is set with pump on the pump cover (3) Lid wearing ring (4), and impeller wearing ring (7) is located at pump cover wearing ring (4) inner cavity, the front end connection of the pump cover wearing ring (4) Have suction cover (5), is fixedly connected between the suction cover (5) and pump cover wearing ring (4) by stud (9), the suction cover (5) Left end and the right end of pump cover (3) fit, pass through the fixed connection of sucking bonnet bolt (8) between the pump cover (3) and suction cover (5) It connects, sucking wear-resistant pipe (6) is installed on the inside of the suction cover (5), and suck left end and the pump cover wearing ring (4) of wear-resistant pipe (6) Right end fit, between the sucking wear-resistant pipe (6) and suction cover (5) by suck wear-resistant pipe bolt (13) be fixedly connected, It is equipped with through-hole (14) on the pump cover (3) and pump cover wearing ring (4), and two through-holes (14) are mutually communicated, the pump cover (3) On through-hole (14) in the first sealing water pipe (12) is installed.
- The Pump Suction Nozzle bicircular arcs water ring sealing device 2. one kind according to claim 1 is dredged, which is characterized in that the leaf Wheel wearing ring (7) and impeller (1) are fixedly connected by impeller wearing ring screw (10).
- The Pump Suction Nozzle bicircular arcs water ring sealing device 3. one kind according to claim 1 is dredged, which is characterized in that the leaf The opposite side of wheel wearing ring (7) and pump cover wearing ring (4) is equipped with arc groove, and two arc grooves are corresponding, and two arcs Seal clearance is collectively formed in slot.
- The Pump Suction Nozzle bicircular arcs water ring sealing device 4. one kind according to claim 1 is dredged, which is characterized in that the leaf Wheel wearing ring (7) and pump cover wearing ring (4) are all made of antifriction alloy and are made.
- The Pump Suction Nozzle bicircular arcs water ring sealing device 5. one kind according to claim 1 is dredged, which is characterized in that the suction Enter and is evenly equipped with multiple second sealing water pipes on lid (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812294.8U CN209100337U (en) | 2018-11-05 | 2018-11-05 | One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812294.8U CN209100337U (en) | 2018-11-05 | 2018-11-05 | One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100337U true CN209100337U (en) | 2019-07-12 |
Family
ID=67158099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821812294.8U Expired - Fee Related CN209100337U (en) | 2018-11-05 | 2018-11-05 | One kind is dredged Pump Suction Nozzle bicircular arcs water ring sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076104A (en) * | 2021-05-11 | 2022-02-22 | 中交疏浚技术装备国家工程研究中心有限公司 | Wear-resistant centrifugal mud pump |
-
2018
- 2018-11-05 CN CN201821812294.8U patent/CN209100337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076104A (en) * | 2021-05-11 | 2022-02-22 | 中交疏浚技术装备国家工程研究中心有限公司 | Wear-resistant centrifugal mud pump |
| CN114076104B (en) * | 2021-05-11 | 2023-12-05 | 中交疏浚技术装备国家工程研究中心有限公司 | Wear-resistant centrifugal mud pump |
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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 |
Granted publication date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |