CN205423293U - Fish sucking pump's sealed axle construction - Google Patents
Fish sucking pump's sealed axle construction Download PDFInfo
- Publication number
- CN205423293U CN205423293U CN201620225637.5U CN201620225637U CN205423293U CN 205423293 U CN205423293 U CN 205423293U CN 201620225637 U CN201620225637 U CN 201620225637U CN 205423293 U CN205423293 U CN 205423293U
- Authority
- CN
- China
- Prior art keywords
- pump shaft
- pump
- axle sleeve
- magnetic fluid
- shaft
- 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
- 238000010276 construction Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000011553 magnetic fluid Substances 0.000 claims description 32
- 241000251468 Actinopterygii Species 0.000 abstract description 9
- 230000005684 electric field Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 241000045921 Arcos nudus Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a fish sucking pump's sealed axle construction, including setting up the pump shaft on the pump body, the cover is equipped with the axle sleeve on the pump shaft, and the pump shaft holds through the diaxon and is connected with the axle sleeve, and the axle sleeve still is equipped with the waterproof sealing structure with the junction of the pump body, and the axial along the pump shaft on the pump shaft is provided with a plurality of magnetic current of group body seal structure, and this a plurality of magnetic current of group body seal structure sets up between the diaxon holds every group magnetic current body seal structure includes that two covers are established and is annular end terminal in that the pump is epaxial, and the outer wall of every end terminal all links firmly with the inner wall of axle sleeve, all has the magnetic current body between the inner wall of every end terminal and the pump shaft, is equipped with a plurality of electro -magnet between two end terminals, and this a plurality of electro -magnet passes through that the wire is established ties mutually and is connected with external power is electric. The utility model discloses can produce even magnetic field on the end terminal, the electric field strength who controls the electro -magnet according to actual working condition when using has moreover reduced pump shaft pivoted resistance with adaptation work demand, has and adjusts the advantage convenient, that sealing performance is good.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to the seal shaft structure of a kind of fishpump.
Background technology
Continuous progress along with industrial technology, utensil and technology that fishing is used promote the most again and again, and most fish amounts can be captured under the mode of full blast, for wherein in the way of purse seine, its be put down fishing net by fishing boat after, utilize lure the mode drawn allow the shoal of fish collection be wound between fishing boat and fishing net, then utilize warping winch by fishing net lower end toward pull-up, making fishing net form the dictyosome of a bending, recycling clingfish machine extends in fishing net, is drawn on ship in fish hold together with sea water by the corral shoal of fish in fishing net.
If existing clingfish owner sets a snaillike body in the front side of a board, the sheathed turbine in inside of this body, turbine interior sets a spiral helicine passage, and turbine can be driven by the motor on rear side of board and rotate in body, a suction tube is received in the front end of body, upper end one side at body extends the port of export that a rectangular shape protrudes again, the port of export receives a conveying pipe, this conveying pipe is to be connected with the port of export with an adapter, and the one-way cock of an elastomeric material is set in the middle of adapter, make the state of formation one one-way trip, that is be only capable of being entered conveying pipe by the port of export by valve, a joint at suction tube sets a pipeline again, this pipeline is connected to vacuum pump.During use, it is that the front end of suction tube is extended in marine fishing net, then vacuum pump operating is started, by evacuation at suction tube and body and its inner turbine, now valve is covered in the port of export closely because of suction, being activated operating with time motor drives turbine to rotate, evacuation effect by vacuum pump, suction tube can be made to produce suction, and the corral shoal of fish in fishing net and part sea water are sucked by suction tube, the shoal of fish and the sea water that suck are entered turbine by suction tube, owing to turbine is to be driven to rotate, and centrifugal force can be produced the fish of entrance is got rid of the port of export to body, and utilize its impulse force to back down valve, then delivered in the fish hold on ship by conveying pipe.
Fishpump sealing not only to have basic waterproof action, owing to work needing fishpump evacuation, the particular importance so shaft seal just seems, when pump is carried out evacuation, pump shaft to be ensured has enough sealing properties, although sealing property can be increased by increasing the mode such as sealing member or increase seal pressure, but this can increase the resistance that pump shaft is rotated by sealing device.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that the seal shaft structure of a kind of fishpump, and technical problem to be solved in the utility model is: reduce the resistance rotating pump shaft while how improving shaft seal stability.
The purpose of this utility model can be realized by following technical proposal: the seal shaft structure of a kind of fishpump, including the pump shaft being arranged on the pump housing, it is arranged with axle sleeve on described pump shaft, described pump shaft is connected with axle sleeve by two bearings, described axle sleeve is additionally provided with waterproof sealing structure with the junction of the pump housing, some groups of magnetic fluid sealing structures are had along the axially arranged of pump shaft on described pump shaft, these some groups of magnetic fluid sealing structures are arranged between two bearings, often organize described magnetic fluid sealing structure and include two pole shoes ringwise being set on pump shaft, the outer wall of each pole shoe is all connected with the inwall of axle sleeve, it is respectively provided with magnetic fluid between inwall and the pump shaft of each pole shoe, it is provided with several electric magnet between two pole shoes, these several electric magnet are in series by wire and electrically connect with extraneous power supply.
The seal shaft structure of this fishpump is by arranging some groups of magnetic fluid sealing structures, the magnetic circuit that electric magnet, pole shoe and pump shaft are constituted, under the action of a magnetic field that electric magnet produces, the magnetic fluid being placed between the gap of pump shaft and pole shoe inwall is concentrated, form it into a so-called "O" ring, gap passage is blocked and reaches the purpose sealed.The Magnet of this magnetic fluid sealing structure uses electric magnet, and some electric magnet of same group of magnetic fluid sealing structure are electrically connected with extraneous power supply by wired in series, it is thus possible to produce uniform magnetic field on pole shoe, and control the electric field intensity of electric magnet to adapt to work requirements according to actual working conditions when using, reduce the resistance that pump shaft is rotated, in order to pump work is at optimum.And how group magnetic fluid sealing structure works together also dependent on actual demand or also the most several optional work, more flexibly.
In the seal shaft structure of above-mentioned fishpump, several electric magnet between two described pole shoes are uniformly distributed along the circumference of pump shaft.Several electric magnet are evenly distributed on around pump shaft, can produce uniform magnetic field after energising on pole shoe, and sealing property is stable.
In the seal shaft structure of above-mentioned fishpump, the group number of described magnetic fluid sealing structure is 2～8 groups.
In the seal shaft structure of above-mentioned fishpump, the group number of described magnetic fluid sealing structure is 3 groups.3 groups of magnetic fluid sealing structures are simultaneously operable, it is possible to selectively work, and improve the stability and reliability of work.
In the seal shaft structure of above-mentioned fishpump, often the number of the electric magnet in group magnetic fluid sealing structure is 3～20.Above-mentioned number ensure that the stability of sealing property.
In the seal shaft structure of above-mentioned fishpump, often the number of the electric magnet in group magnetic fluid sealing structure is 15.
Compared with prior art, the seal shaft structure of this fishpump has the advantage that
1, some electric magnet are electrically connected with extraneous power supply by wired in series, it is thus possible to produce uniform magnetic field on pole shoe, and control the electric field intensity of electric magnet to adapt to work requirements according to actual working conditions when using, reduce the resistance that pump shaft is rotated, there is easy to adjust, good seal performance.
2, many group magnetic fluid sealing structures work together also dependent on actual demand or also the most several optional work, more flexibly, improve the stability and reliability of work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional view in A-A direction in Fig. 1.
In figure, 1, the pump housing；2, pump shaft；3, axle sleeve；4, bearing；5, waterproof sealing structure；6, pole shoe；7, magnetic fluid；8, electric magnet；9, wire.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
As shown in Figure 1-2, the seal shaft structure of this fishpump, including the pump shaft 2 being arranged on the pump housing 1, axle sleeve 3 it is arranged with on pump shaft 2, the pump housing 1 and axle sleeve 3 are connected and both inner chambers are interconnected, pump shaft 2 is connected with axle sleeve 3 by two bearings 4, and axle sleeve 3 is additionally provided with waterproof sealing structure 5 with the junction of the pump housing 1；
Some groups of magnetic fluid sealing structures axially it are disposed with along pump shaft 2 on pump shaft 2, these some groups of magnetic fluid sealing structures are arranged between two bearings 4, these some groups of magnetic fluid sealing structures work together also dependent on actual demand or also the most several optional work, more flexibly；
Often group magnetic fluid sealing structure includes two pole shoes 6 ringwise being set on pump shaft 2, the outer wall of each pole shoe 6 is all connected with the inwall of axle sleeve 3, it is respectively provided with magnetic fluid 7 between inwall and the pump shaft 2 of each pole shoe 6, several electric magnet 8 it are provided with between two pole shoes 6, the magnetic circuit that electric magnet 8, pole shoe 6 and pump shaft 2 are constituted, under the action of a magnetic field that electric magnet 8 produces, the magnetic fluid 7 being placed between pump shaft 2 and gap, pole shoe 6 top is concentrated, form it into a so-called "O" ring, gap passage is blocked and reaches the purpose sealed；
Circumferentially distributed along pump shaft 2 of these several several electric magnet 8, several electric magnet 8 are connected by wire 9 and electrically connect with extraneous power supply, it is thus possible to produce uniform magnetic field on pole shoe 6, and control the electric field intensity of electric magnet 8 to adapt to work requirements according to actual working conditions when using, reduce the resistance that pump shaft 2 is rotated, so that pump work is at optimum, there is easy to adjust, the advantage of good seal performance.
Specifically, magnetic fluid sealing structure is 2～8 groups, preferably 3 groups, and often the number of the electric magnet 8 in group magnetic fluid sealing structure is 3～20, preferably 15, it is possible to ensure the stability of sealing property.
Several electric magnet 8 between two described pole shoes (6) are uniformly distributed along the circumference of pump shaft 2, can produce uniform magnetic field after energising on pole shoe 6, and sealing property is stable.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
- null1. the seal shaft structure of a fishpump，Including the pump shaft (2) being arranged on the pump housing (1)，Axle sleeve (3) it is arranged with on described pump shaft (2)，Described pump shaft (2) is connected with axle sleeve (3) by two bearings (4)，Described axle sleeve (3) is additionally provided with waterproof sealing structure (5) with the junction of the pump housing (1)，It is characterized in that，Some groups of magnetic fluid sealing structures are had along the axially arranged of pump shaft (2) on described pump shaft (2)，These some groups of magnetic fluid sealing structures are arranged between two bearings (4)，Often organize described magnetic fluid sealing structure and include two pole shoes (6) ringwise being set on pump shaft (2)，The outer wall of each pole shoe (6) is all connected with the inwall of axle sleeve (3)，It is respectively provided with magnetic fluid (7) between inwall and the pump shaft (2) of each pole shoe (6)，It is provided with several electric magnet (8) between two pole shoes (6)，These several electric magnet (8) are in series by wire (9) and electrically connect with extraneous power supply.
- The seal shaft structure of a kind of fishpump the most according to claim 1, it is characterised in that several electric magnet (8) between two described pole shoes (6) are uniformly distributed along the circumference of pump shaft (2).
- The seal shaft structure of a kind of fishpump the most according to claim 1 and 2, it is characterised in that described magnetic fluid sealing structure is 2～8 groups.
- The seal shaft structure of a kind of fishpump the most according to claim 3, it is characterised in that described magnetic fluid sealing structure is 3 groups.
- The seal shaft structure of a kind of fishpump the most according to claim 3, it is characterised in that often the number of the electric magnet (8) in group magnetic fluid sealing structure is 3～20.
- The seal shaft structure of a kind of fishpump the most according to claim 5, it is characterised in that often the number of the electric magnet (8) in group magnetic fluid sealing structure is 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225637.5U CN205423293U (en) | 2016-03-22 | 2016-03-22 | Fish sucking pump's sealed axle construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225637.5U CN205423293U (en) | 2016-03-22 | 2016-03-22 | Fish sucking pump's sealed axle construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205423293U true CN205423293U (en) | 2016-08-03 |
Family
ID=56547827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225637.5U Expired - Fee Related CN205423293U (en) | 2016-03-22 | 2016-03-22 | Fish sucking pump's sealed axle construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205423293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106577427A (en) * | 2016-11-30 | 2017-04-26 | 浙江海洋大学 | Aquaculture net cage with improved structure |
| CN106577568A (en) * | 2016-11-30 | 2017-04-26 | 浙江海洋大学 | Auxiliary fish pumping device used for net cage |
-
2016
- 2016-03-22 CN CN201620225637.5U patent/CN205423293U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106577427A (en) * | 2016-11-30 | 2017-04-26 | 浙江海洋大学 | Aquaculture net cage with improved structure |
| CN106577568A (en) * | 2016-11-30 | 2017-04-26 | 浙江海洋大学 | Auxiliary fish pumping device used for net cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170322 |