CN107781170A - A kind of axial-flow pump lifting-proof machine device - Google Patents
A kind of axial-flow pump lifting-proof machine device Download PDFInfo
- Publication number
- CN107781170A CN107781170A CN201711153620.9A CN201711153620A CN107781170A CN 107781170 A CN107781170 A CN 107781170A CN 201711153620 A CN201711153620 A CN 201711153620A CN 107781170 A CN107781170 A CN 107781170A
- Authority
- CN
- China
- Prior art keywords
- axial
- protection box
- flow pump
- protective sleeve
- impeller
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0693—Details or arrangements of the wiring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of axial-flow pump lifting-proof machine device of water conservancy machinery technical field,Including body,The tube cavity bottom is provided with impeller,Protection box is installed at the top of the impeller,The protection box inner cavity top is provided with motor,The motor bottom is provided with rotating shaft,Anti-reverse mechanism is provided with the spindle central,Protective sleeve is installed with the top of the protection box,The anti-skid sleeve inner chamber is provided with cable,The lifting-proof machine device protects cable by protective sleeve,So that axial-flow pump is in normal operation,The flow media of conveying will not produce irregular disturbance to the cable in body in body,Cable is fixed with protection box by protective sleeve,So that cable protection is acted on obvious,And tightening force is smaller,Pump weight will not be mitigated,Pumped (conveying) medium is reduced to thrust caused by axial-flow pump,Anti-reverse mechanism is provided with rotating shaft,During so that axial-flow pump being shut down,It is not in impeller reversion,Reduce lift machine phenomenon.
Description
Technical field
The present invention relates to water conservancy machinery technical field, specially a kind of axial-flow pump lifting-proof machine device.
Background technology
Axial-flow pump makes the pump that liquid conveys in the axial direction, axle stream to active force caused by liquid by the blade of rotary blade
In the process of running, three kinds of situations can cause axial-flow pump to lift machine phenomenon to pump below：
1st, it is to fix cable with steel wire rope and geometrical clamp in pit shaft, such as steel wire rope in existing cable fixed form
Tightening force it is too small, then protective effect unobvious to cable；Tightening force is excessive, then produces a upward drawing to axial-flow pump
Power, pump weight is alleviated, also reduce the frictional resistance moment of axial-flow pump base and seat ring, when axial-flow pump is started shooting, pumped (conveying) medium pair
Axial-flow pump can also produce a upward thrust so as to which lift machine phenomenon occur.
2nd, when axial-flow pump is shut down, the pumped (conveying) medium in pipeline will be flowed back due to deadweight, and impeller is by reflux medium
Effect, there is impeller reversion, form hydraulic turbine condition, axial-flow pump body is added by one upward thrust of liquid in runner
The pulling force effect of upper steel wire rope, if axial-flow pump deadweight is less than making a concerted effort for two upward power, axial-flow pump will produce upward
, that is, there is lift machine phenomenon in drift.
3rd, in normal operation, the flow media of conveying can produce irregular axial-flow pump to the cable in pit shaft in pit shaft
Disturbance, if cable can destroy sealing and the insulating properties of cable, the operation band to motor without reliably fixing and protecting
Carry out potential safety hazard, so that phenomena such as the unexpected power-off of the power-off triggered and the initiation of other reasons, the conveying in outlet passage is situated between
Matter is flowed back, and parital vacuum phenomenon is produced in the end of runner, and in the front end of open type runner, due to the effect shape of atmospheric pressure
Into pressure differential so that axial-flow pump forms a upward thrust, so as to produce lift machine phenomenon.
The content of the invention
It is an object of the invention to provide a kind of axial-flow pump lifting-proof machine device, is asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：A kind of axial-flow pump lifting-proof machine device, including body,
The body is three ports, and top is provided with pit shaft lid, and the body right hand top is provided with delivery port, its bottom
It is provided with water inlet, the tube cavity bottom is provided with impeller, is provided with protection box at the top of the impeller, in the protection box
Top of chamber is provided with motor, and the motor bottom is provided with rotating shaft, and the rotating shaft is through protection box bottom and impeller top center
Place's connection, is provided with anti-reverse mechanism at the spindle central, and the anti-reverse mechanism includes ratchet, the ratchet using rotating shaft as
The center of circle, and ratchet is fixedly connected with rotating shaft, and the inner tube matched with the ratchet surface gear teeth is movably set with the left of the ratchet, it is described
Outer tube is socketed with the left of inner tube, spring is installed on the left of said inner tube, the spring be located at overcoat tube cavity, and the other end and
Protection box inwall is fixedly connected, and is installed with protective sleeve at the top of the protection box, the anti-skid sleeve inner chamber is provided with electricity
Cable, the cable are electrically connected with motor, and the protective sleeve runs through pit shaft lid, and installation is provided with the top of the protective sleeve
Plate, the installing plate are fixedly connected with pit shaft lid by screw.
Preferably, the rotating shaft is provided with bearing with protection box junction, and bearing is provided with sealing with protection box junction
Circle and the gland matched with sealing ring.
Preferably, the protective sleeve is coniform sleeve, and bottom is fixedly connected by screw with protection box, described anti-
Shield box is provided with sealant with protective sleeve junction.
Preferably, the impeller surface is provided with blade, and blade is three dimendional blade, and surface is provided with anti oxidation layer, institute
Impeller is stated to be connected with blade by screw thread.
Preferably, the protective sleeve is provided with seal groove with pit shaft lid junction, and seal groove inner chamber is provided with sealing strip.
Preferably, the protection box surface is evenly arranged with through hole, and through hole inner chamber is provided with silencing cotton.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, cable is fixed by protective sleeve and protection box for the lifting-proof machine device so that cable protection is acted on bright
It is aobvious, and tightening force is smaller, will not mitigate pump weight, reduces pumped (conveying) medium to thrust caused by axial-flow pump, lift machine occurs so as to reduce
Phenomenon；
2nd, anti-reverse mechanism is provided with rotating shaft, passes through the effect of ratchet and inner tube and spring so that when axial-flow pump is shut down,
Be not in impeller reversion, lift machine phenomenon occurs in reduction；
3rd, cable is protected by protective sleeve so that for axial-flow pump in normal operation, the flow media conveyed in body is not
Irregular disturbance can be produced to the cable in body, and protective sleeve is provided with sealant with protection box junction, improves anti-
The protectiveness of pretective sleeve pipe, reduce lift machine phenomenon.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is anti-reverse mechanism structural representation of the present invention；
In figure：1 installing plate, 2 pit shaft lids, 3 protective sleeves, 4 protection boxs, 5 impellers, 6 water inlets, 7 cables, 8 delivery ports, 9
Motor, 10 rotating shafts, 11 anti-reverse mechanisms, 111 outer tubes, 112 springs, 113 inner tubes, 114 ratchets, 12 bodys.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：A kind of axial-flow pump lifting-proof machine device, including body 12, institute
It is three ports to state body 12, and top is provided with pit shaft lid 2, and the right hand top of body 12 is provided with delivery port 8, the body
12 bottoms are provided with water inlet 6, and the intracavity bottom of body 12 is provided with impeller 5, and the top of impeller 5 is provided with protection box 4,
The inner cavity top of protection box 4 is provided with motor 9, and the bottom of motor 9 is provided with rotating shaft 10, and the rotating shaft 10 runs through protection box
4 bottoms are provided with anti-reverse mechanism 11, the anti-reverse mechanism with being connected at the top center of impeller 5 at the center of rotating shaft 10
11 include ratchet 114, and the ratchet 114 is the center of circle with rotating shaft 10, and ratchet 114 is fixedly connected with rotating shaft 10, the ratchet 114
Left side is movably set with the inner tube 113 matched with the surface gear teeth of ratchet 114, and the left side of said inner tube 113 is socketed with outer tube 111,
Skew will not be produced when being worked by the inner tube 113 of outer tube 111, the left side of said inner tube 113 is provided with spring 112, described
Spring 112 is located at the inner chamber of outer tube 111, and the other end is fixedly connected with the inwall of protection box 4, by ratchet 114 and inner tube 113 and
The effect of spring 112 so that be not in impeller reversion when axial-flow pump is shut down, lift machine phenomenon, the protection box 4 occurs in reduction
Top is installed with protective sleeve 3, and the inner chamber of anti-skid sleeve 3 is provided with cable 7, and the cable 7 electrically connects with motor 9
Connect, motor 9 connects external power supply by cable 7 and is controlled work, and the protective sleeve 3 runs through pit shaft lid 2, the protective jacket
The top of cylinder 3 is provided with installing plate 1, and the installing plate 1 is fixedly connected with pit shaft lid 2 by screw, is easy to tearing open for protective sleeve 3
Dress.
Wherein, the rotating shaft 10 is provided with bearing with the junction of protection box 4, and bearing is provided with close with the junction of protection box 4
Seal and the gland matched with sealing ring, the sealing of protection box 4 is improved, avoids inner chamber from intaking, leads to not normal work, institute
It is coniform sleeve to state protective sleeve 3, is advantageous to the guiding of current, improves the efficiency of axial-flow pump, and bottom by screw and is prevented
Shield box 4 is fixedly connected, and is easy to the dismounting of protective sleeve 3 and protection box 4, the protection box 4 is provided with the junction of protective sleeve 3
Sealant, the protectiveness of protective sleeve is improved, reduce lift machine phenomenon, the surface of impeller 5 is provided with blade, and blade is three-dimensional leaf
Piece, improves the efficiency of axial-flow pump, and surface is provided with anti oxidation layer, improves the life-span of impeller 5, the impeller 5 by screw thread with
Blade connects, and is easy to the dismounting of impeller 5, and the protective sleeve 3 is provided with seal groove, seal groove inner chamber with the junction of pit shaft lid 2
Sealing strip is provided with, the surface of protection box 4 is evenly arranged with through hole, and through hole inner chamber is provided with silencing cotton, reduces anti-reverse dress
11 noise is put, reduces the influence to surrounding enviroment.
Operation principle：Cable 7 is placed on the inner chamber of protective sleeve 3 so that axial-flow pump is defeated in body 12 in normal operation
The flow media sent will not produce irregular disturbance to the cable 7 in body 12, by protective sleeve 3 and protection box 4 to electricity
Cable 7 is fixed so that and it is obvious to the protective effect of cable 7, and tightening force is smaller, will not mitigate pump weight, is situated between so as to reduce conveying
Thrust caused by confrontation axial-flow pump, reduce and lift machine phenomenon occurs；Anti-reverse mechanism 11 is provided with rotating shaft 10, passes through ratchet 114
With the effect of inner tube 113 and spring 112 so that be not in that impeller 5 inverts when axial-flow pump is shut down, lift machine phenomenon occurs in reduction.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of axial-flow pump lifting-proof machine device, including body (12), the body (12) is three ports, and top is provided with pit shaft
Cover (2), body (12) right hand top is provided with delivery port (8), and body (12) bottom is provided with water inlet (6), institute
State body (12) intracavity bottom and be provided with impeller (5), it is characterised in that：Protection box (4), institute are installed at the top of the impeller (5)
State protection box (4) inner cavity top and be provided with motor (9), motor (9) bottom is provided with rotating shaft (10), and the rotating shaft (10) is passed through
Protection box (4) bottom is worn with being connected at impeller (5) top center, anti-reverse mechanism is provided with rotating shaft (10) center
(11), the anti-reverse mechanism (11) includes ratchet (114), the ratchet (114) with rotating shaft (10) for the center of circle, and ratchet
(114) it is fixedly connected with rotating shaft (10), is movably set with the left of the ratchet (114) and is matched with ratchet (114) surface gear teeth
Inner tube (113), said inner tube (113) left side are socketed with outer tube (111), spring are provided with the left of said inner tube (113)
(112), the spring (112) is located at outer tube (111) inner chamber, and the other end is fixedly connected with protection box (4) inwall, described anti-
Protective sleeve (3) is installed with the top of shield box (4), anti-skid sleeve (3) inner chamber is provided with cable (7), the cable (7)
It is electrically connected with motor (9), the protective sleeve (3) runs through pit shaft lid (2), and installation is provided with the top of the protective sleeve (3)
Plate (1), the installing plate (1) are fixedly connected with pit shaft lid (2) by screw.
A kind of 2. axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：The rotating shaft (10) and protection box
(4) junction is provided with bearing, and bearing is provided with sealing ring and the gland matched with sealing ring with protection box (4) junction.
A kind of 3. axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：The protective sleeve (3) is circle
Taper sleeve, and bottom is fixedly connected by screw with protection box (4), the protection box (4) sets with protective sleeve (3) junction
It is equipped with sealant.
A kind of 4. axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：Impeller (5) surface is set
There is blade, blade is three dimendional blade, and surface is provided with anti oxidation layer, and the impeller (5) is connected by screw thread with blade.
A kind of 5. axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：The protective sleeve (3) and well
Cover (2) junction is provided with seal groove, and seal groove inner chamber is provided with sealing strip.
A kind of 6. axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：Protection box (4) surface is equal
Even to be provided with through hole, through hole inner chamber is provided with silencing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153620.9A CN107781170A (en) | 2017-11-20 | 2017-11-20 | A kind of axial-flow pump lifting-proof machine device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711153620.9A CN107781170A (en) | 2017-11-20 | 2017-11-20 | A kind of axial-flow pump lifting-proof machine device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781170A true CN107781170A (en) | 2018-03-09 |
Family
ID=61429493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711153620.9A Pending CN107781170A (en) | 2017-11-20 | 2017-11-20 | A kind of axial-flow pump lifting-proof machine device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2673637C1 (en) * | 2017-06-20 | 2018-11-28 | Акционерное общество "Центральное конструкторское бюро машиностроения" (АО "ЦКБМ") | Anti-reverse mechanism |
| RU194779U1 (en) * | 2019-09-30 | 2019-12-23 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Vertical anti-rotation fan device |
-
2017
- 2017-11-20 CN CN201711153620.9A patent/CN107781170A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2673637C1 (en) * | 2017-06-20 | 2018-11-28 | Акционерное общество "Центральное конструкторское бюро машиностроения" (АО "ЦКБМ") | Anti-reverse mechanism |
| RU194779U1 (en) * | 2019-09-30 | 2019-12-23 | Публичное акционерное общество «Татнефть» имени В.Д. Шашина | Vertical anti-rotation fan device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180309 |