CN207064307U - A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water - Google Patents
A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water Download PDFInfo
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- CN207064307U CN207064307U CN201720604699.1U CN201720604699U CN207064307U CN 207064307 U CN207064307 U CN 207064307U CN 201720604699 U CN201720604699 U CN 201720604699U CN 207064307 U CN207064307 U CN 207064307U
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- guide bearing
- water
- upper lid
- stuffing
- pillar
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Abstract
It the utility model is related to a kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water, including guide bearing of pumps, pump shaft and its axle journal, pillar and hydrostatic sealing device, stuffing-box part, upper lid and vertical concentric adjusting apparatus with positioning spigot, pressure clear water feed pipe, the pillar pass setting hydrostatic sealing device at lid；Adjusting screw and parallels, small jack are provided between the seat of honour and concrete foundation, to adjust upper lid seam and water pump assembly vertical concentric；The stuffing-box part is installed on the middle part of lid, passes through seam precision positioning with upper lid, is rigidly connected, rubber rope sealing.The utility model will move water sealing device and move to outside the pump housing at the pump shaft of lubrication with clean water guide bearing of pumps top, sealing effectiveness is effectively ensured, it ensure that the water body pumped in the pump housing and its silt can not enter guide bearing gap, make guide bearing of pumps that there is good lubrication with clean water condition, reduce guide bearing and pump shaft journal wear, increase the service life.
Description
Technical field
The utility model belongs to field of fluid machinery, is related to large vertical water pumps, and in particular to one kind ensures large-scale vertical
The structure of guide bearing of pumps lubrication with clean water.
Background technology
Chinese large-sized water pump is general only to set a guide bearing based on vertical, in diffuser.Guide bearing is large-scale
The critical component of water pump, play a part of bearing water pump rotatable parts radial load, stable wheel rotation.Water pump water lubricating pilot bearings
There is simple in construction, low cost, not good reliability, polluted water, there is two kinds of river lubrication and lubrication with clean water.Impeller is straight
Footpath is in 2.0 m or so and the large vertical water pumps of the above, and pump shaft imbalance radial load is larger, preferably using lubrication with clean water.Traditional
Lubrication with clean water guide bearing top filtered water tank and rotate between pump shaft using flat board rubber and stainless steel ring seal, due to water body from
Surrounding stator outlet outflow, the water guide cone and during filtered water tank after, flow section sudden enlargement, the flat board rubber at the top of filtered water tank
Form inner lead and backflow at skin and stainless steel ring seal face, the silt in water body is gathered herein by Action of Gravity Field, and is passed through
The gap in flat board rubber and stainless steel ring seal face enters filtered water tank and guide bearing gap, plays abrasive material and runs out bearing material
And axle journal, part silt are also embedded in bearing material, wear axle journal in turn.If guide bearing wear extent is excessive or damages,
It can then cause unit axis to swing increase, vibration aggravation, or even blade occurs and touches shell accident, cause the accident shutdown.
Utility model content
The utility model is pumped water body and silt for large vertical water pumps and easily invaded between pump lubrication with clean water guide bearing
A kind of the problem of gap, guide bearing and pump shaft axle journal easy to wear, it is proposed that knot for ensureing large vertical water pumps guide bearing lubrication with clean water
Structure.
In order to solve the above problems, the technical solution of the utility model is that one kind ensures that large vertical water pumps guide bearing is clear
The structure of water lubrication, including pump shaft and its axle journal, the guide bearing being sheathed on outside pump shaft, accommodate the stator for installing guide bearing of pumps
Body, the pillar being sheathed on outside pump shaft and hydrostatic sealing device, pump housing airtight and watertight padding letter part is passed for pump shaft, for installing
Upper lid and the vertical concentric adjusting apparatus of fixed stuffing-box part, for supplying the feed pipe of pressure clear water needed for lubrication；
Pillar lower end is connected and sealed with guide bearing upper surface, and pillar and pump shaft are coaxial, and pillar upper end passes through water
Cover on pump to the filtered water tank of stuffing-box part bottom, pillar and be not fixedly connected with upper lid, set hydrostatic to seal between pillar and upper lid
Device；The upper lid is set by vertical concentric adjusting apparatus to be arranged on base concrete, is provided with the middle part of upper lid and is used to install
The positioning spigot of stuffing-box part；The feed pipe on the outside of the filtered water tank of stuffing-box part bottom by drawing.
Preferably, the hydrostatic sealing device is made up of filler, clamshell type gland and adjustment bolt and nut, upper lid
The seam of installation filler is provided with, gland compresses filler and is fixed on by adjustment bolt and nut on upper lid, filler pressure
Cover as clamshell type.
Preferably, the vertical concentric adjusting apparatus, by the seat of honour, adjusting screw and parallels, foundation bolt and small jack
Composition, seat of honour bottom are fixed on base concrete face by adjusting screw and parallels, foundation bolt, by small by thousand on the outside of the seat of honour
The translation positioning of jin top is fixed on base concrete face, upper lid with the seat of honour by positioning finger setting, rubber rope seals, rigid connects
Connect.
Preferably, the stuffing-box part is installed in the seam in the middle part of lid, and stuffing-box part includes stuffing box body, row
Water pipe, gland, filler, seal cage, water sealing (sealing water) pipe, bolt, nut；Stuffing box body passes through seam precision positioning with upper lid, uses
Bolt and nut flange are rigidly connected, rubber rope sealing.
Preferably, the pillar is clamshell type.
The beneficial effects of the utility model are：
Compared with traditional structure, for high concentration of sediment river pumping plant large vertical water pumps, the utility model structure water pump guide shaft
Additional pressure clear water is full of in holding, clear water pressure is more than the water body pressure containing silt in external pump body, ensures needed for lubrication
Clear water flow, guide bearing of pumps clear water chamber top pump shaft water sealing device moves to outside the pump housing, contains completely with what is pumped
Water body isolation is opened in the pump of silt, can effectively prevent from pumping in the silt intrusion water pump guide bearing gap in water body, have very
Good lubrication with clean water condition, mitigate guide bearing of pumps abrasion, increase the service life, ensure the reliable of water pump lubrication with clean water guide bearing
Durability；The stuffing-box vertical concentric adjusting apparatus can ensure stuffing-box and pump shaft axle journal surrounding gap uniformity, filler by
Power consistent seal is good, abrasion is small, ensures the reliable durable of packing seal；Hydrostatic sealing between the pillar top and upper lid
The setting of device, the influence of physical dimension and alignment error can be avoided.
Brief description of the drawings
Fig. 1 is the structure total figure that the utility model ensures large vertical water pumps guide bearing lubrication with clean water.
Fig. 2 is the connection of stuffing-box part and its vertical concentric adjusting apparatus structure chart in the utility model.
Fig. 3 is the top view that stuffing-box part connects with water pump top cap in the utility model.
Fig. 4 is the hydrostatic sealing device structure figure between pillar and upper lid in the utility model（A-A sectional views in Fig. 2）.
In figure：Pump shaft 1, guide bearing 2, diffuser 3, pillar 4, stuffing-box part 5, stuffing box body 5-1, drainpipe 5-2, fill out
Expect gland 5-3, filler 5-4, seal cage 5-5, water sealing (sealing water) pipe 5-6, bolt 5-7, nut 5-8, bolt and nut 5-9, rubber rope 5-
10th, upper lid 6, vertical concentric adjusting apparatus 7, seat of honour 7-1, adjusting screw and parallels 7-2, foundation bolt 7-3, small jack 7-4,
Alignment pin 7-5, rubber rope 7-6, hydrostatic sealing device 8, hydrostatic airtight and watertight padding 8-1, small gland 8-2, adjustment bolt and spiral shell
Female 8-3, rear water guide cone 9, feed pipe 10.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water shown in 1-4 in figure, including pump shaft 1, are sheathed on
Guide bearing 2 on pump shaft, accommodate the diffuser 3 of installation guide bearing, the pillar 4 being sheathed on outside pump shaft, for pillar 4 and upper lid 6
Between the hydrostatic sealing device 8 that seals, pass the upper airtight and watertight padding letter part 5 of lid 6 for pump shaft 1, cover and fill out on adjusting
The letter vertical concentric adjusting apparatus 7 concentric with water pump assembly central axis is expected, for supplying the confession of pressure clear water needed for lubrication
Water pipe 10.
Pillar 4 is clamshell type, and its lower end is connected and sealed with the bearing body upper surface of guide bearing of pumps 2, and and pump shaft
Coaxially, upper end sets hydrostatic sealing device 8, protected through upper lid 6 to the water tank bottom of stuffing-box part 5 between pillar 4 and upper lid 6
Card pillar can freely stretch, and pillar inwall forms toroidal cavity with pump shaft surface.
Hydrostatic sealing device 8 is by lid on water pump 6, hydrostatic airtight and watertight padding 8-1, small gland 8-2, adjustment bolt and nut
8-3 is formed, and small gland 8-2 is clamshell type.
Upper lid 6 is fixedly mounted on the 7-1 of the seat of honour, and upper lid is sealed, just with the seat of honour by alignment pin 7-5 positioning, rubber rope 7-6
Property connection, positioning spigot is provided with the middle part of upper lid, for installing stuffing-box part 5；The vertical concentric adjusting apparatus 7, including it is upper
Seat 7-1, adjusting screw and parallels 7-2, foundation bolt 7-3 and small jack 7-4, when water pump is installed, by adjusting screw and parallels
7-2, small jack 7-4 are placed between the seat of honour and basic fist stage concrete face, for adjusting upper the middle part seam of lid 6 and water pump assembly
The vertical concentric of center line.
Stuffing-box part 5, including stuffing box body 5-1, drainpipe 5-2, gland 5-3, filler 5-4, seal cage 5-5,
The parts such as water sealing (sealing water) pipe 5-6, bolt 5-7, nut 5-8, stuffing-box part 5 are installed in the middle part seam of lid 6, with upper lid 6
It is rigidly connected with bolt and nut 5-9 flanges, seam precision positioning, and is sealed with rubber rope 5-10, ensures stuffing-box part
With the vertical concentric of water pump assembly center line, stuffing-box and water pump shaft neck surrounding gap uniformity, filler uniform force good seal,
Wear small.
Feed pipe 10 on the outside of the bottom filtered water tank of stuffing-box part 5 by drawing, and the spiral shell being connected in the horizontal direction with flange
Bolt and nut 5-9 stagger, and lubricate required pressure clear water and are imported by feed pipe 10, downwards through the annular chamber between pillar and pump shaft
Flowed out with guide bearing gap.So, the structure cause additional pressure clear water bearing top completely with silt-including water in pump every
Open absolutely, can effectively prevent the silt in pump in water body from invading guide bearing of pumps, make guide bearing of pumps that there is good clear water to moisten
Sliding condition, reduce guide bearing and pump shaft journal wear, increase the service life.
Claims (5)
1. a kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water, including pump shaft（1）And its axle journal, it is sheathed on pump shaft
Outer guide bearing（2）, accommodate the diffuser for installing guide bearing of pumps（3）, it is characterized in that, in addition to the pillar being sheathed on outside pump shaft
（4）And hydrostatic sealing device（8）, pump housing airtight and watertight padding letter part is passed for pump shaft（5）, for installing fixed stuffing-box portion
The upper lid of part（6）, upper lid vertical concentric adjusting apparatus（7）, for supplying the feed pipe of pressure clear water needed for lubrication（10）；
Pillar（4）Lower end and guide bearing（2）Upper surface is connected and sealed, and pillar（4）It is coaxial with pump shaft, pillar（4）On
Hold through upper lid（6）To stuffing-box part（5）Bottom filtered water tank, pillar（4）With upper lid（6）It is not fixedly connected, pillar（4）With it is upper
Lid（6）Between set hydrostatic sealing device（8）；The upper lid（6）Middle part, which is provided with, to be used to install stuffing-box part（5）Positioning stop
Mouthful, upper lid（6）Pass through vertical concentric adjusting apparatus（7）The seat of honour on base concrete face is fixedly mounted on to pass through；The feed pipe
（10）By stuffing-box part（5）Drawn on the outside of the filtered water tank of bottom.
A kind of 2. structure for ensureing large vertical water pumps guide bearing lubrication with clean water according to claim 1, it is characterised in that
The hydrostatic sealing device（8）By filler（8-1）, gland（8-2）With adjustment bolt and nut（8-3）Composition, upper lid（6）
It is provided with installation filler（8-1）Seam, gland（8-2）Compress filler（8-1）And pass through adjustment bolt and nut（8-3）
It is fixed on lid（6）On, gland（8-2）For clamshell type.
A kind of 3. structure for ensureing large vertical water pumps guide bearing lubrication with clean water according to claim 1, it is characterised in that
The vertical concentric adjusting apparatus（7）, by the seat of honour（7-1）, adjusting screw and parallels（7-2）, foundation bolt（7-3）It is and small very heavy
Top（7-4）Composition, upper lid（6）With the seat of honour（7-1）Pass through alignment pin（7-5）Positioning, rubber rope（7-6）Sealing, bolt rigidly connect
Connect, use the seat of honour（7-1）The adjusting screw and parallels of bottom（7-2）, outside small jack（7-4）Adjust the seat of honour（7-1）With it is upper
Lid（6）The vertical concentric of middle part seam, the seat of honour（7-1）Use foundation bolt（7-3）It is fixed on base concrete face.
A kind of 4. structure for ensureing large vertical water pumps guide bearing lubrication with clean water according to claim 1, it is characterised in that
The stuffing-box part（5）Including stuffing box body（5-1）, drainpipe（5-2）, gland（5-3）, filler（5-4）, seal cage
（5-5）, water sealing (sealing water) pipe（5-6）, bolt（5-7）, nut（5-8）；Stuffing-box part（5）It is installed on lid（6）Middle part, stuffing-box
Part passes through seam precision positioning, bolt and nut with upper lid（5-9）Flange is rigidly connected, rubber rope（5-10）Sealing.
A kind of 5. structure for ensureing large vertical water pumps guide bearing lubrication with clean water according to claim 1, it is characterised in that
The pillar（4）For clamshell type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604699.1U CN207064307U (en) | 2017-05-27 | 2017-05-27 | A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720604699.1U CN207064307U (en) | 2017-05-27 | 2017-05-27 | A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064307U true CN207064307U (en) | 2018-03-02 |
Family
ID=61505085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720604699.1U Active CN207064307U (en) | 2017-05-27 | 2017-05-27 | A kind of structure for ensureing large vertical water pumps guide bearing lubrication with clean water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064307U (en) |
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2017
- 2017-05-27 CN CN201720604699.1U patent/CN207064307U/en active Active
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