CN107725467A - A kind of bearing housing for pump drive - Google Patents
A kind of bearing housing for pump drive Download PDFInfo
- Publication number
- CN107725467A CN107725467A CN201711020050.6A CN201711020050A CN107725467A CN 107725467 A CN107725467 A CN 107725467A CN 201711020050 A CN201711020050 A CN 201711020050A CN 107725467 A CN107725467 A CN 107725467A
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- CN
- China
- Prior art keywords
- bearing
- pump
- housing
- block device
- hole
- 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
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/042—Axially shiftable rotors
-
- 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
- F04D29/046—Bearings
- F04D29/0462—Bearing cartridges
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication 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
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/0033—By-passing by increasing clearance between impeller and its casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of bearing housing for pump drive, and in particular to a kind of drive bearing case of the axially movable regulation of rotatable parts for centrifugal pump of horizontal axis, belongs to technical field of mechanical transmission.What is solved is the relatively low technological deficiency of complicated and life-span of traditional bearing case, including bearing housing, pump shaft, disc, fore bearing, front axle pressure cap, rear bearing, rear bearing block device, centring ring, O-ring, regulating bolt and clamping screw；Rear bearing block device is blue with thicknessing, an overall structure is formed by casting, by to the release of regulating bolt and clamping screw in its device, tighten, be axially movable the whole rotatable parts of pump, the pump housing is reached ideal effect with the cooperation at impeller, mechanical seal.Simple in construction, easy to operate, smooth running of the invention, it is securely and reliably, sturdy and durable, reduce production run cost, reduce maintenance cost, improve operating efficiency, protect contamination, extend the service life of pump.
Description
Technical field
The present invention relates to bearing housing mechanical transmission fields, and in particular to a kind of bearing housing for pump drive.
Background technology
Centrifugal pump is a kind of equipment for liquid conveying, according to excessively stream material and the difference of internal structure, can be conveyed clear
Clean, corrosivity and containing media such as particle aggressiveness, is mainly used in municipal water supply, fire demand water, irrigation water, metallurgical, stone
The industries such as oiling work, mine, colliery, building materials, light industry and papermaking convey.The type of belt drive of centrifugal pump of horizontal axis is mainly with bearing housing
Formula, with motor side a variety of connecting modes such as shaft coupling, belt pulley or coupling device can be taken to be driven, bearing housing formula structure is applied to
The operating mode occasion of the single-stage pump such as big flow, high-lift, high-power and multistage pump uses, mainly axial force, footpath caused by balance
Xiang Li, reaches damping, eliminates the effect of part stress, to avoid motor impaired and the problem of radiating etc., therefore, bearing
Box typed structure in centrifugal pump using relatively broad, an and important component of centrifugal pump of horizontal axis.Due to it is horizontal from
Heart pump certainly exists the component wear such as the pump housing and impeller, sealing, between the pump housing and impeller during medium conveys
Gap increases, and can influence the requirements of field working conditions, and the abrasion sealed, will necessarily bring leakage, the loss of medium causes ring
Border is polluted and unnecessary economic loss, and also same operating is because the requirement of technique is, it is necessary to be provided with different flow or lift.
The content of the invention
Regulation parts, pump axial force can not to be moved there is the pump of bearing housing excessive so as to influenceing the life-span in the prior art
Technological deficiency, the present invention provides a kind of new bearing case apparatus for pump drive, have it is simple in construction, it is easy to operate, drop
Low production cost, maintenance cost is reduced, improve operating efficiency, the characteristics of extending the service life of pump.
In order to solve the above technical problems, the technical scheme used is as follows：
A kind of bearing case apparatus for pump drive, including the pump housing, pump shaft, bearing housing, entrance point of the pump shaft from the pump housing
Impeller, mechanical seal, fore bearing, disc, rear bearing are disposed with, the bearing housing is provided with fore bearing and rear axle
Hold, the fore bearing is fixed on the front end of bearing housing by front axle pressure cap, and the rear bearing is fixedly mounted by centring ring
In rear bearing block device, the rear bearing block device by the end of clamping screw and bearing housing connect, the pump housing with
Bearing housing is connected by regulating bolt, and the rear bearing block device is provided with screwed hole, and the end of screwed hole is provided with O-shaped
Circle；
Front-end and back-end are provided with described bearing housing and are respectively arranged with a through hole and hollow cavity, the fore bearing
It is fixedly connected through front end through hole with bearing housing, the rear bearing block device is connected through rear end through hole；
Described rear bearing block device includes hollow cylinder, thickeies flange and rectangular channel, its hollow cylinder outer circumference surface
Two O-rings are provided with, the thickening flange axis hole periphery is provided with two grooves, position pair is provided with the groove
Answer, equal-sized 3 positioning holes.
As a further improvement, the disc is arranged on the middle part of bearing housing.
As a further improvement, described the mechanical connection pump housing and pump shaft.
As a further improvement, the diameter of the front end through hole is more than rear end through hole.
As a further improvement, the hollow cavity is circular cylindrical cavity.
As a further improvement, the rectangular channel is arranged on the underface of rear bearing block device.
As a further improvement, described rear bearing block device materials are high-silicon cast iron.
As a further improvement, the angle of the positioning hole is all 15 degree.
Beneficial effects of the present invention：
Effect one, the present invention reach the mesh of the rotatable parts on the mobile pump shaft of control by controlling to adjust bolt and clamping screw
, for example unclamp or tighten the nut on clamping screw and regulating bolt, control to adjust screw rod reach on bolt or after
Move back, increase the distance of rear bearing block device and bearing housing rear end face and realize that whole rotatable parts relative axle is moved back with this,
Conversely, it can then move forward.The flow and lift of pump can be adjusted, at this moment, can by the rotatable parts of mobile pump, control impeller with
The gap length of the pump housing so that the parts that need not more renew when mechanical seal is in abrasion.This apparatus structure is simple, operation
It is convenient, production cost can be reduced, reduce maintenance cost；
Effect two, rear bearing block device of the present invention are provided with a hollow cylinder and one end with flange is thickeied, form integral type
Structure, rear bearing block device are connected with pump shaft, so as to carry the rotatable parts axial force of whole pump, reduce maintenance expense
With, it is simple in construction and sturdy and durable；
Effect three, the present invention are arranged right below a rectangular channel in rear bearing block device, with the principle of labyrinth seal, substitute a kind of
Rubber oil sea consumable accessory, its advantage are to be advantageous to lubricating oil in bearing housing to be sealed, and are not easy to leak, and reduce maintenance cost,
Operating efficiency is improved, protects contamination, extends the service life of pump；
Cutting oil is stored in bearing housing middle chamber by effect four, the present invention, and what is be provided with the middle part of bearing housing is outer
The disc of footpath increase so that disc can touch the lubricating oil of lower curtate position in bearing housing, produce good atomizing effect,
Reduce the injection flow of lubricating oil in bearing housing, reduce cost.
Effect five, the present invention are provided with front-end and back-end on bearing housing and are respectively arranged with a through hole and hollow cavity
Body, in order to adjust the displacement of pump inner rotatable part during hollow cavity, axially operation has enough spaces to fore bearing in hollow cavity,
Smooth running, securely and reliably.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is traditional centrifugal pump drive bearing box structure figure；
Fig. 2 is the centrifugal pump of horizontal axis drive bearing box structure figure of the present invention；
Fig. 3 is bearing housing sectional view；
Fig. 4 is rear bearing block device sectional view；
Fig. 5 is partial enlarged view at rear bearing block device；
Fig. 6 is rear bearing block device side view；
Fig. 7 is rear bearing block device and bearing housing connection structure diagram.
Such as figure：
The 1- pump housings, 2- impellers, 3- sealings, 4- front axle pressure caps, 5- fore bearings, 6- pump shafts, 7- discs, 8- bearing housings, 9-
Bearing afterwards, bearing gland after 10-, 11- clamping screws, 12- rear bearing block devices, 13- regulating bolts, 14-O shape circles, 15- positioning
Circle；
81- front ends through hole, 82- rear ends through hole, 824- hollow cavities；
121- hollow cylinders, 122- thickening flanges, 123- grooves, 124- positioning holes, 125- rectangular channels, 126- flange through holes,
The common through holes of 127-.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is part of the embodiment of the present invention, rather than whole embodiments.Generally here described in accompanying drawing and the present invention that indicates
The component of embodiment can be configured to arrange and design with a variety of.Therefore, the present invention to providing in the accompanying drawings below
The detailed description of embodiment be not intended to limit the scope of claimed invention, but be merely representative of the selected of the present invention
Embodiment.Based on embodiments of the invention, what those skilled in the art were obtained on the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
The present embodiment provides a kind of centrifugal pump of horizontal axis drive bearing case, as shown in figure 1, a kind of centrifugal pump of horizontal axis drive bearing case,
It includes bearing housing 8, pump shaft 6, disc 7, fore bearing 5, front axle pressure cap 4, rear bearing 9 and rear bearing gland 10；Bearing
The anterior of case also includes the pump housing 1, impeller 2 and sealing 3.Bearing is provided with bearing housing 8, there is pump shaft 6, fore bearing 5 in bearing
The head end of pump shaft 6 is fixed on, rear bearing 9 is fixed on the end of pump shaft 6, and fore bearing 5 is identical with the external diameter of rear bearing 9, in pump shaft 6
The middle part of bearing housing 8 be provided with disc 7, the external diameter of disc 7 can not be more than front and back bearings external diameter, and front axle pressure cap 4 is pressed
The front end of bearing housing 8 is fixed in the tight outer ring of fore bearing 5, after bearing housing 8 is fixed in the outer ring of bearing 9 after rear bearing gland compresses
End, so as to which bearing housing inner rotatable part has axially formed fixed relationship, axial movement can not be adjusted.
Embodiment 2
Such as Fig. 2, a kind of bearing case apparatus for pump drive, including the pump housing 1, pump shaft 6, bearing housing 8, the pump shaft 6 is from pump
The entrance point of body 1 is disposed with impeller 2, sealing 3, fore bearing 5, disc 7, rear bearing 9, and the bearing housing 8 is provided with
Fore bearing 5 and rear bearing 9, the fore bearing 5 are fixed on the front end of bearing housing 8, the rear bearing 9 by front axle pressure cap 4
It is fixedly mounted on by centring ring 15 in rear bearing block device 12, so as to form the assembling structure of an entirety, rear bearing block dress
12 rear ends for being placed in bearing housing 8 are put, and are fixed by clamping screw 11, the pump housing 1 passes through regulation with bearing housing 8
Bolt 13 is connected, and the rear bearing block device 12 is provided with screwed hole, and the end of screwed hole is provided with O-ring 14, the tune
Save bolt 13 to stretch out from one end of rear bearing block device 12, be in contact with the rear end face of bearing housing 8, bearing housing 8 and rear bearing
Have between base device 12 one it is intersegmental away from；In the equipment front portion, the sealing 3 of pump is installed in pump chamber, before impeller 2 is fixed on pump shaft 6
End, the pump housing 1 are fixedly connected on the front end of bearing housing 8.The tune at the rear portion of the present invention of Adjust and use axially back and forth of whole transmission parts
Section bolt 13, the elastic of clamping screw 11 are realized, unclamp clamping screw 11, and unclamp the nut in regulating bolt 13, control
Screw rod reach in regulating bolt 13, increase the distance of rear bearing block device 12 and the rear end face of bearing housing 8 whole to realize
Rotatable parts relative axle is moved back, conversely, being moved after unclamping the screw rod in regulating bolt 13, is tightened clamping screw 11, is made rear bearing
The distance of base device 12 and the rear end face of bearing housing 8 reduces to realize that whole rotatable parts move forward to axial.When in different rings
When pump is used under border, due to when the change of technique or the demand in market change, it is necessary to inlet amount also change therewith, also
Mean that the flow of pump and lift need appropriate regulation, at this moment, can be made solid by being axially movable the whole rotatable parts of pump
The gap increase or diminution of the impeller 2 and the pump housing 1 that are scheduled on rotatable parts, to meet field working conditions；In addition, when pump is in long
Between when operating, fit clearance between the pump housing 1 and impeller 2 is frayed also to be increased therewith, and flow, lift are gradually reduced, meanwhile,
Leaked at mechanical seal 3 there is also abrasion, at this moment, fixation can also be made by being axially movable the whole rotatable parts of pump
The gap of impeller 2 and the pump housing 1 on rotatable parts reduces, it is not necessary to the parts more renewed, with regard to good result can be produced.This
Apparatus structure is simple, easy to operate, can reduce production cost, reduce maintenance cost, improve operating efficiency, and extend pump uses the longevity
Life.
It is bearing housing sectional view of the present invention such as Fig. 3, being provided with front-end and back-end on bearing housing 8 is respectively arranged with one
Individual through hole and hollow cavity 824, the internal diameter of the front end through hole 81 and rear end through hole 82 differ, and the fore bearing 5 passes through
Front end through hole 81 is fixedly connected with bearing housing, and the rear bearing block device 12 is connected through rear end through hole 82；It is described hollow
Cavity 824 is to ensure that fore bearing has enough spaces when hollow cavity intracavitary is run.
It is partial enlarged view at rear bearing block device sectional view and rear bearing block device such as Fig. 4 and such as Fig. 5, it is described
Rear bearing block device 12 includes hollow cylinder 121, thickeies flange 122 and rectangular channel 125, and rear bearing block casting is integrated knot
Configuration formula, it is made up of high-silicon cast iron material, both bore to carry axial force with good stability, and can.Outside hollow cylinder 121
Periphery is provided with two O-rings 14, can effectively seal up the lubricating oil of intracavitary.The thickening axis hole circumference of flange 122
Face is provided with two grooves 123, and position correspondence, equal-sized 3 positioning holes 124 are provided with the groove 123.
It is rear bearing block device side view such as Fig. 6, locates provided with angle to be 15 degree below flange medial surface axis hole thickening
Three positioning holes 124, and through two grooves 123, with the principle of labyrinth seal, substitute a kind of rubber oil sea consumable accessory, have
Beneficial to transmission bearing housing in the course of work is run, lubricating oil is sealed in casing, is not easy to leak.The rear bearing block device
12 are provided with a rectangular channel 125, and rectangular channel 125 is arranged on the underface of rear bearing block device 12, enables the lubricating oil at sealing
Box cavity is enough flowed to, equally distributed three flange through holes 126 and three common through holes are respectively equipped with flange 122 is thickeied
127。
Such as Fig. 7, it is rear bearing block device and bearing housing connection structure diagram, extended type spiral shell is provided with clamping screw 11
Bar, screw rod pass through the flange through hole 126 of rear bearing block device 12, are connected to the rear end of bearing housing 8, regulating bolt 13 is by lengthening spiral shell
Bar and nut form and silk leads on the thickening flange 122 for being connected to rear bearing block device 12, after external part is supported in bearing housing 8
End face, the radial load of the rotatable parts of whole equipment is born, and rear bearing block device 12 has a spacing with the rear end of bearing housing 8,
It is being adjusted axially with enough displacement spaces；The cooling and lubricating mode of bearing is oil lubrication, and cutting oil is stored in casing
Intracavitary, the disc 7 for the external diameter increase that bearing guard middle part is provided with, the external diameter of disc 7 should be less than the rear end through hole 82 of bearing housing 8
Internal diameter, in the case where the rotation of pump shaft 6 drives, the disc 7 of external diameter increase can contact low level lubricating oil in casing, so as to reduce casing
The injection flow of interior lubricating oil, reach cost-effective purpose.
With reference to same method and principle, bearing holder device is also securable on fore bearing 5, regulation and lock by bolt
It tightly can also make rotatable parts axial displacement, belong to same technological innovation.
Although the illustrative embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the scope of embodiment, to the common skill of the art
For art personnel, as long as long as various change in the spirit and scope of the invention that appended claim limits and determines, one
The innovation and creation using present inventive concept are cut in the row of protection.
Claims (8)
1. a kind of bearing case apparatus for pump drive, including the pump housing（1）, pump shaft（6）, bearing housing（8）, it is characterised in that
The pump shaft（6）From the pump housing（1）Entrance point be disposed with impeller（2）, mechanical seal（3）, fore bearing（5）, disc
（7）, rear bearing（9）, the bearing housing（8）It is provided with fore bearing（5）With rear bearing（9）, the fore bearing（5）Pass through front axle
Pressure cap（4）It is fixed on the front end of bearing housing, the rear bearing（9）Pass through centring ring（15）It is fixedly mounted on rear bearing block dress
Put（12）In, the rear bearing block device（12）Pass through clamping screw（11）With bearing housing（8）End connection, the pump housing
（1）With bearing housing（8）Pass through regulating bolt（13）It is connected, the rear bearing block device（12）It is provided with screwed hole, screw thread
The end in hole is provided with O-ring（14）；
Described bearing housing（8）On be provided with front-end and back-end and be respectively arranged with a through hole and hollow cavity（824）, institute
State fore bearing（5）Through front end through hole（81）It is fixedly connected with bearing housing, the rear bearing block device（12）Lead to through rear end
Hole（82）It is connected；
Described rear bearing block device（12）Including hollow cylinder（121）, thicken flange（122）And rectangular channel（125）, its
Hollow cylinder（121）Outer circumference surface is provided with two O-rings（14）, the thickening flange（122）Axis hole periphery is provided with
Two grooves（123）, the groove（123）On be provided with position correspondence, equal-sized 3 positioning holes（124）.
2. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that the disc（7）Set
In bearing housing（8）Middle part.
3. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that described mechanical seal
（3）Connect the pump housing（1）With pump shaft（6）.
4. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that the front end through hole（81）'s
Diameter is more than rear end through hole（82）.
5. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that the hollow cavity（824）
For circular cylindrical cavity.
6. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that the rectangular channel（125）If
Put in rear bearing block device（12）Underface.
7. the bearing case apparatus according to claim 6 for pump drive, it is characterised in that described rear bearing block
Device（12）Material is high-silicon cast iron.
8. the bearing case apparatus according to claim 1 for pump drive, it is characterised in that the positioning hole（124）'s
Angle is all 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020050.6A CN107725467A (en) | 2017-10-27 | 2017-10-27 | A kind of bearing housing for pump drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020050.6A CN107725467A (en) | 2017-10-27 | 2017-10-27 | A kind of bearing housing for pump drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725467A true CN107725467A (en) | 2018-02-23 |
Family
ID=61202663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020050.6A Pending CN107725467A (en) | 2017-10-27 | 2017-10-27 | A kind of bearing housing for pump drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443213A (en) * | 2018-05-11 | 2018-08-24 | 安徽凯特泵业有限公司 | Pump shaft axial position regulating mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980008639U (en) * | 1996-07-11 | 1998-04-30 | 구자홍 | Bearing cover of centrifugal pump |
| CN201661504U (en) * | 2010-02-03 | 2010-12-01 | 李正奇 | Bearing body assembly with labyrinth sealing ring for multistage centrifugal pump bearing body |
| CN102242727A (en) * | 2010-05-10 | 2011-11-16 | 襄樊五二五泵业有限公司 | Bearing box of heavy slurry pump and shafting transmission structure thereof |
| CN202082395U (en) * | 2011-05-13 | 2011-12-21 | 宝山钢铁股份有限公司 | Combined sealing device of transmission shaft of box |
| CN204755323U (en) * | 2015-06-30 | 2015-11-11 | 贵州开磷集团股份有限公司 | Novel centrifugal pump of horizontal axis structure |
| CN205977776U (en) * | 2016-05-26 | 2017-02-22 | 昆明嘉和科技股份有限公司 | Desulfurization circulating pump with adjustable sealed clearance |
| CN207554404U (en) * | 2017-10-27 | 2018-06-29 | 刘铭 | A kind of bearing housing for pump drive |
-
2017
- 2017-10-27 CN CN201711020050.6A patent/CN107725467A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980008639U (en) * | 1996-07-11 | 1998-04-30 | 구자홍 | Bearing cover of centrifugal pump |
| CN201661504U (en) * | 2010-02-03 | 2010-12-01 | 李正奇 | Bearing body assembly with labyrinth sealing ring for multistage centrifugal pump bearing body |
| CN102242727A (en) * | 2010-05-10 | 2011-11-16 | 襄樊五二五泵业有限公司 | Bearing box of heavy slurry pump and shafting transmission structure thereof |
| CN202082395U (en) * | 2011-05-13 | 2011-12-21 | 宝山钢铁股份有限公司 | Combined sealing device of transmission shaft of box |
| CN204755323U (en) * | 2015-06-30 | 2015-11-11 | 贵州开磷集团股份有限公司 | Novel centrifugal pump of horizontal axis structure |
| CN205977776U (en) * | 2016-05-26 | 2017-02-22 | 昆明嘉和科技股份有限公司 | Desulfurization circulating pump with adjustable sealed clearance |
| CN207554404U (en) * | 2017-10-27 | 2018-06-29 | 刘铭 | A kind of bearing housing for pump drive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443213A (en) * | 2018-05-11 | 2018-08-24 | 安徽凯特泵业有限公司 | Pump shaft axial position regulating mechanism |
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