CN207673560U - 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
- CN207673560U CN207673560U CN201721548845.XU CN201721548845U CN207673560U CN 207673560 U CN207673560 U CN 207673560U CN 201721548845 U CN201721548845 U CN 201721548845U CN 207673560 U CN207673560 U CN 207673560U
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- 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.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 230000030279 gene silencing Effects 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of axial-flow pump lifting-proof machine devices of water conservancy machinery technical field,Including tube 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 shaft,It is provided with anti-reverse mechanism at the spindle central,It is installed with protective sleeve at the top of the protection box,The protective sleeve inner cavity 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 conveyed in tube body will not generate the cable in tube body irregular disturbance,Cable is fixed with protection box by protective sleeve,So that acting on cable protection apparent,And tightening force is smaller,Pump weight will not be mitigated,Reduce the thrust that pumped (conveying) medium generates axial-flow pump,Anti-reverse mechanism is provided in shaft,When so that axial-flow pump being shut down,It is not in impeller reversion,Reduce lift machine phenomenon.
Description
Technical field
The utility model is related to water conservancy machinery technical field, specially a kind of axial-flow pump lifting-proof machine device.
Background technology
The pump that the active force that axial-flow pump generates liquid by the blade of rotary blade makes liquid convey in the axial direction, axis stream
In the process of running, three kinds of situations can cause axial-flow pump to lift machine phenomenon to pump below：
1, 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 to the protective effect unobvious of cable；Tightening force is excessive, then generates a upward drawing to axial-flow pump
Power alleviates pump weight, also reduces the frictional resistance moment of axial-flow pump pedestal and seat ring, when axial-flow pump is switched on, pumped (conveying) medium pair
Axial-flow pump also will produce a upward thrust to which lift machine phenomenon occur.
2, when axial-flow pump is shut down, the pumped (conveying) medium in pipeline will be flowed back due to conducting oneself with dignity, and impeller is by reflux medium
Effect, there is impeller reversion, form hydraulic turbine condition, axial-flow pump ontology is added by one upward thrust of liquid in runner
The pulling force effect of upper steel wire rope, if axial-flow pump dead weight is less than the resultant force of two upward power, axial-flow pump will will produce upward
, that is, there is lift machine phenomenon in drift.
3, in normal operation, the flow media of conveying can generate the cable in pit shaft irregular axial-flow pump in pit shaft
Disturbance, if cable can destroy sealing and the insulation performance of cable, to the operation band of motor without reliably fixed and protection
Carry out security risk, thus phenomena such as the unexpected power-off of the power-off caused and the initiation of other reasons, the conveying in outlet passage is situated between
Matter flows back, and parital vacuum phenomenon is generated in the end of runner, and in the front end of open type runner, due to the effect shape of atmospheric pressure
At pressure difference so that axial-flow pump forms a upward thrust, to generate lift machine phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of axial-flow pump lifting-proof machine devices, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of axial-flow pump lifting-proof machine device, including pipe
Body, the tube body is three ports, and top is provided with pit shaft lid, and the tube body right hand top is provided with water outlet, the tube body
Bottom is provided with water inlet, and the tube cavity bottom is provided with impeller, protection box, the protection are equipped at the top of the impeller
Box inner cavity top is provided with motor, and the motor bottom is provided with shaft, and the shaft is through protection box bottom and impeller top
It is connected at center, anti-reverse mechanism is provided at the spindle central, the anti-reverse mechanism includes ratchet, and the ratchet is to turn
Axis is the center of circle, and ratchet is fixedly connected with shaft, be movably set on the left of the ratchet with the matched inner tube of the ratchet surface gear teeth,
It is socketed with outer tube on the left of said inner tube, spring is installed on the left of said inner tube, the spring is located at housing tube cavity, and another
End is fixedly connected with protection box inner wall, and protective sleeve, the protective sleeve inner cavity setting are installed at the top of the protection box
There are cable, the cable to be electrically connected with motor, the protective sleeve runs through pit shaft lid, and peace is provided at the top of the protective sleeve
Loading board, the mounting plate are fixedly connected with pit shaft lid by screw.
Preferably, the shaft is provided with bearing with protection box junction, and bearing is provided with sealing with protection box junction
Circle and with the matched gland of 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 connect with blade by screw thread.
Preferably, the protective sleeve is provided with seal groove with pit shaft lid junction, and seal groove inner cavity is provided with sealing strip.
Preferably, the protection box surface is evenly arranged with through-hole, and through-hole inner cavity is provided with silencing cotton.
Compared with prior art, the utility model has the beneficial effects that：
1, the lifting-proof machine device is fixed cable by protective sleeve and protection box so that acts on cable protection bright
It is aobvious, and tightening force is smaller, will not mitigate pump weight, reduces the thrust that pumped (conveying) medium generates axial-flow pump, and lift machine occurs to reduce
Phenomenon；
2, it is provided with anti-reverse mechanism in 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；
3, cable is protected by protective sleeve so that for axial-flow pump in normal operation, the flow media conveyed in tube body is not
Irregular disturbance can be generated to the cable in tube body, and protective sleeve is provided with sealant with protection box junction, improve anti-
The protectiveness of pretective sleeve pipe reduces lift machine phenomenon.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model anti-reverse mechanism structural schematic diagram；
In figure：1 mounting plate, 2 pit shaft lids, 3 protective sleeves, 4 protection boxes, 5 impellers, 6 water inlets, 7 cables, 8 water outlets, 9
Motor, 10 shafts, 11 anti-reverse mechanisms, 111 outer tubes, 112 springs, 113 inner tubes, 114 ratchets, 12 tube bodies.
Specific implementation mode
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of axial-flow pump lifting-proof machine device, including tube body
12, the tube body 12 is three ports, and top is provided with pit shaft lid 2, and 12 right hand top of the tube body is provided with water outlet 8, institute
It states 12 bottom of tube body and is provided with water inlet 6,12 intracavity bottom of the tube body is provided with impeller 5, and 5 top of the impeller is equipped with anti-
Box 4 is protected, 4 inner cavity top of the protection box is provided with motor 9, and 9 bottom of the motor is provided with shaft 10, and the shaft 10 runs through
It is connect at 4 bottom of protection box and 5 top center of impeller, anti-reverse mechanism 11, the counnter attack is provided at 10 center of the shaft
Rotary device 11 includes ratchet 114, and the ratchet 114 is the center of circle with shaft 10, and ratchet 114 is fixedly connected with shaft 10, described
114 left side of ratchet is movably set with is socketed with housing with the matched inner tube 113 of the 114 surface gear teeth of ratchet, 113 left side of said inner tube
Pipe 111, by outer tube 111 so that inner tube 113 not will produce offset when working, 113 left side of said inner tube is equipped with spring
112, the spring 112 is located at 111 inner cavity of outer tube, and the other end is fixedly connected with 4 inner wall of protection box, by ratchet 114 with
The effect of inner tube 113 and spring 112 so that be not in impeller reversion when axial-flow pump is shut down, lift machine phenomenon, institute occurs in reduction
It states 4 top of protection box and is installed with protective sleeve 3,3 inner cavity of the protective sleeve is provided with cable 7, the cable 7 and motor
9 are electrically connected, and motor 9 connects external power supply by cable 7 and carries out control work, and the protective sleeve 3 runs through pit shaft lid 2, institute
It states 3 top of protective sleeve and is provided with mounting plate 1, the mounting plate 1 is fixedly connected with pit shaft lid 2 by screw, and protective jacket is convenient for
The dismounting of cylinder 3.
Wherein, the shaft 10 is provided with bearing with 4 junction of protection box, and bearing is provided with close with 4 junction of protection box
Seal and with the matched gland of sealing ring, improve protection box 4 leakproofness, avoid inner cavity from intaking, lead to not work normally, institute
It is coniform sleeve to state protective sleeve 3, is conducive to the guiding of flow, improves the efficiency of axial-flow pump, and bottom by screw and is prevented
Shield box 4 is fixedly connected, and the dismounting of protective sleeve 3 and protection box 4, the protection box 4 is convenient for be provided with 3 junction of protective sleeve
Sealant improves the protectiveness of protective sleeve, reduces lift machine phenomenon, and 5 surface of the impeller 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 service life of impeller 5, the impeller 5 by screw thread with
Blade connects, and is convenient for the dismounting of impeller 5, the protective sleeve 3 that 2 junction of pit shaft lid is provided with seal groove, seal groove inner cavity
It is provided with sealing strip, 4 surface of the protection box is evenly arranged with through-hole, and through-hole inner cavity is provided with silencing cotton, reduces anti-reverse dress
11 noise is set, the influence to surrounding enviroment is reduced.
Operation principle：Cable 7 is placed on 3 inner cavity of protective sleeve so that axial-flow pump is defeated in tube body 12 in normal operation
The flow media sent will not generate irregular disturbance to the cable 7 in tube body 12, by protective sleeve 3 and protection box 4 to electricity
Cable 7 is fixed so that and it is apparent to 7 protective effect of cable, and tightening force is smaller, will not mitigate pump weight, is situated between to reduce conveying
The thrust that confrontation axial-flow pump generates reduces and lift machine phenomenon occurs；It is provided with anti-reverse mechanism 11 in 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, it is existing that lift machine occurs in reduction when axial-flow pump is shut down
As.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of axial-flow pump lifting-proof machine device, including tube body (12), the tube body (12) is three ports, and top is provided with pit shaft
It covers (2), tube body (12) right hand top is provided with water outlet (8), and tube body (12) bottom is provided with water inlet (6), institute
It states tube body (12) intracavity bottom and is provided with impeller (5), it is characterised in that：Protection box (4), institute are installed at the top of the impeller (5)
It states protection box (4) inner cavity top and is provided with motor (9), motor (9) bottom is provided with shaft (10), and the shaft (10) is passed through
It wears and is connect at protection box (4) bottom and impeller (5) top center, anti-reverse mechanism is provided at shaft (10) center
(11), the anti-reverse mechanism (11) includes ratchet (114), the ratchet (114) with shaft (10) for the center of circle, and ratchet
(114) it is fixedly connected, is movably set on the left of the ratchet (114) matched with ratchet (114) surface gear teeth with shaft (10)
Inner tube (113), said inner tube (113) left side are socketed with outer tube (111), spring are equipped on the left of said inner tube (113)
(112), the spring (112) is located at outer tube (111) inner cavity, and the other end is fixedly connected with protection box (4) inner wall, described anti-
It is installed with protective sleeve (3) at the top of shield box (4), protective sleeve (3) inner cavity 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 at the top of the protective sleeve (3)
Plate (1), the mounting plate (1) are fixedly connected with pit shaft lid (2) by screw.
2. a kind of axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：The shaft (10) and protection box
(4) junction is provided with bearing, bearing and protection box (4) junction be provided with sealing ring and with the matched gland of sealing ring.
3. a kind of 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.
4. a kind of axial-flow pump lifting-proof machine device according to claim 1, it is characterised in that：Impeller (5) the surface setting
There is blade, blade is three dimendional blade, and surface is provided with anti oxidation layer, and the impeller (5) is connect by screw thread with blade.
5. a kind of 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 cavity is provided with sealing strip.
6. a kind of 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 cavity is provided with silencing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721548845.XU CN207673560U (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 |
|---|---|---|---|
| CN201721548845.XU CN207673560U (en) | 2017-11-20 | 2017-11-20 | A kind of axial-flow pump lifting-proof machine device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673560U true CN207673560U (en) | 2018-07-31 |
Family
ID=62964324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721548845.XU Expired - Fee Related CN207673560U (en) | 2017-11-20 | 2017-11-20 | A kind of axial-flow pump lifting-proof machine device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673560U (en) |
-
2017
- 2017-11-20 CN CN201721548845.XU patent/CN207673560U/en not_active Expired - Fee Related
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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: 20180731 |