CN209557321U - A kind of axis connection and sliding bearing structure of vertical long shaft pump - Google Patents
A kind of axis connection and sliding bearing structure of vertical long shaft pump Download PDFInfo
- Publication number
- CN209557321U CN209557321U CN201920073980.6U CN201920073980U CN209557321U CN 209557321 U CN209557321 U CN 209557321U CN 201920073980 U CN201920073980 U CN 201920073980U CN 209557321 U CN209557321 U CN 209557321U
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- lower shell
- shell
- axis
- shaft coupling
- axle
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Abstract
The utility model relates to a kind of axis connection of vertical long shaft pump and sliding bearing structures, comprising: upper and lower cylinder, upper flange of lower shell, upper and lower axis, upper and lower axle key, shaft coupling bushing, upper and lower axis holding screw, intermediate sleeve, axis non-metallic bushings, non-metallic bushings seat etc.；It is fastened by non-metallic bushings fastening assembly, non-metallic bushings and lower shell are linked together, the shaft end portion of upper axis and lower axle is designed with concave structure slot, and intermediate sleeve is to divide half structure, the lower end of upper axis and the upper end of lower axle are blocked by internal convex shape, carried out axially position；Antiwear and anticorrosion protective layer is done on shaft coupling excircle of bushing, so that shaft coupling bushing while playing the role of axis connection, also realizes the sliding bearing function of the support shafting as bushing simultaneously.Tie point of the shaft coupling bushing as two axis, while being also stress point, the torque that radial force caused by being eliminated to the greatest extent because of shaft coupling bushing generates reduces liner wear, increases the stationarity of unit operating.
Description
Technical field
The utility model relates to a kind of axis connection and sliding bearing structures, and in particular to a kind of shaft coupling bushing is as two axis
Tie point, while be also stress point, caused by being eliminated to the greatest extent because of shaft coupling bushing radial force generate torque, drop
Low liner wear increases the axis connection and sliding bearing structure of the vertical long shaft pump of unit smoothness of operation.
Background technique
Currently, jackshaft is usually to be supported by bushing (or sliding bearing), end in the multiaxis structure that long shaft submerged pump uses
Portion connects composition shafting by shaft coupling, sees Fig. 1.Because long-shaft pump shafting is generally because length and diameter of axle size differ greatly, pump
First critical speed of group is low.For the single axle of jackshaft, all there is no problem for general receiving axial force.Radial force is then ratio
More crucial use condition.And other than pumping the radial force that power part generates, the joint portions of multiaxis connection are because of gap
It is coupled, also can additionally generate part amount of unbalance.In addition installation site and bushing locations are at intervals, so meeting
Additional radial force is generated, the abrasion of bushing is increased.
Utility model content
In view of the above-mentioned problems, the connection the main purpose of the utility model is to provide a kind of shaft coupling bushing as two axis
Point, while being also stress point, the torque that radial force caused by being eliminated to the greatest extent because of shaft coupling bushing generates reduces bushing
Abrasion, increases the axis connection and sliding bearing structure of the vertical long shaft pump of unit smoothness of operation.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of axis company of vertical long shaft pump
It connects and sliding bearing structure, the axis connection and sliding bearing structure of the vertical long shaft pump includes:
Upper shell, flange for upper shell, upper axis, upper axle key, shaft coupling bushing, upper axis holding screw, intermediate sleeve, lower axle key,
Lower axle holding screw, lower axle, non-metallic bushings, non-metallic bushings seat, lower shell, flange of lower shell, lower shell bearing rib, under
Barrel support seat, upper lower shell fastening assembly, non-metallic bushings fastening assembly.
The flange for upper shell of upper shell one is provided with and is equipped on upper shell.
Be provided with and be equipped with the flange of lower shell of lower shell one on lower shell, lower shell include lower shell bearing rib and
Lower shell support base；Lower shell bearing rib is stuck between lower shell and lower shell support base；Lower shell bearing rib is lower cylinder
Body support base is fixed on lower shell.
Upper shell is connected with lower shell by upper lower shell fastener.
Non-metallic bushings are mounted in non-metallic bushings seat by interference fit.
Non-metallic bushings seat is mounted on lower shell support base by clearance fit.
It is fastened by non-metallic bushings fastening assembly, non-metallic bushings and lower shell is linked together, upper axis and lower axle
Shaft end portion is designed with concave structure slot, and intermediate sleeve is to divide half structure, by internal convex shape the lower end of upper axis and lower axle
Upper end is blocked, and axially position has been carried out.
Shaft coupling bushing is covered in the outer end of upper axis, lower axle and intermediate sleeve, is positioned axially through the shaft shoulder of bottom end and lower axle,
It ensure that axis and lower axle install concentric and axially position.
The interlude in shaft coupling excircle of bushing face has surface-treated wearing layer.
In specific embodiment of the utility model, the upper lower shell fastener is screw, and screw passes through upper shell
Upper shell and lower shell are fixed together by flange and flange of lower shell.
In specific embodiment of the utility model, axle key is installed between the shaft coupling bushing and upper axis, is led to
Axis holding screw is crossed to fix；Lower axle key is installed between shaft coupling bushing and lower axle, is fixed by lower axle holding screw.
The positive effect of the utility model is: the axis connection and sliding of vertical long shaft pump provided by the utility model
Bearing arrangement is that axis connection and support function are done antiwear and anticorrosion protective layer on shaft coupling excircle of bushing in the structure of one,
So that shaft coupling bushing while playing the role of axis connection, also realizes the sliding bearing function of the support shafting as bushing simultaneously
Energy.
Tie point of the shaft coupling bushing as two axis, while being also stress point, it is eliminated to the greatest extent because shaft coupling serves as a contrast
The torque that radial force caused by covering generates reduces liner wear, increases the stationarity of unit operating.
Detailed description of the invention
Fig. 1 is structural schematic diagram in the prior art.
Fig. 2 is the overall structure diagram of the utility model.
Fig. 3 is the structural schematic diagram of shaft coupling bushing in the utility model.
Fig. 4 is the structural schematic diagram of intermediate sleeve in the utility model.
Specific embodiment
The utility model preferred embodiment is provided, with reference to the accompanying drawing the technical solution of the utility model is described in detail.
Fig. 2 is the overall structure diagram of the utility model.As shown in Fig. 2, vertical long shaft pump provided by the utility model
Axis connection and sliding bearing structure include: upper shell 1, flange for upper shell 101, upper axis 2, upper axle key 3, shaft coupling bushing 4, on
Axis holding screw 5, intermediate sleeve 6, lower axle key 7, lower axle holding screw 8, lower axle 9, non-metallic bushings 10, non-metallic bushings seat 11,
Lower shell 12, flange of lower shell 1201, lower shell bearing rib 1202, lower shell support base 1203, upper lower shell fastening assembly
13, non-metallic bushings fastening assembly 14.
The flange for upper shell 101 of 1 one of upper shell is provided with and be equipped on upper shell 1, is provided with and is set on lower shell 12
There is the flange of lower shell 1201 of the one of lower shell 12, lower shell 12 includes lower shell bearing rib 1202 and lower shell support base
1203；Lower shell bearing rib 1202 is stuck between lower shell 12 and lower shell support base 1203；Lower shell bearing rib 1202
Lower shell support base 1203 is fixed on lower shell 12；Upper shell 1 and lower shell 12 are connected by upper lower shell fastener 13；
Non-metallic bushings 10 are mounted in non-metallic bushings seat 11 by interference fit；Non-metallic bushings seat 11 is installed by clearance fit
On lower shell support base 1203；It is fastened by non-metallic bushings fastening assembly 14, non-metallic bushings 10 and lower shell 12 is connected
It is integrated, the wear-resisting outer ring of the pairing as shaft coupling bushing 4；The shaft end portion of upper axis 2 and lower axle 9 is designed with concave structure slot, in
Between set 6 to divide half structure, the lower end of upper axis 2 and the upper end of lower axle 9 are blocked by internal convex shape, it is axial fixed to have carried out
Position.
4 sets of shaft coupling bushing in upper axis 2, the outer end of lower axle 9 and intermediate sleeve 6, axially through the shaft shoulder of bottom end and lower axle 9
901 positioning ensure that axis 2 and lower axle 9 install concentric and axially position.
The interlude of 4 periphery of shaft coupling bushing has surface-treated wearing layer 401, with 10 inner surface of non-metallic bushings
The sliding bearing function of the mating support shafting as bushing.
Axle key 3 is installed between shaft coupling bushing 4 and upper axis 2, it is fixed by upper axis holding screw 5；Shaft coupling bushing 4
Lower axle key 7 is installed between lower axle 9, it is fixed by lower axle holding screw 8.
In the specific implementation process, upper lower shell fastener 13 is screw, and screw passes through flange for upper shell 101 and lower cylinder
Upper shell 1 and lower shell 12 are fixed together by body flange 1201.
The interlude of 4 periphery of shaft coupling bushing has surface-treated wearing layer.
When installation, shaft coupling bushing 4 is covered outside upper axis 2 and lower axle 9 by figure direction, and is withstood on the shaft shoulder 901 of lower axle 9.
This partly belongs to revolving part.Non-metallic bushings 10 are that interference fit is mounted in part 11, belong to static element.Install backsight
There is small―gap suture between set 4 and non-metallic bushings 10, has no the relationship of being mounted directly.
The utility model does antiwear and anticorrosion protective layer on shaft coupling excircle of bushing, so that shaft coupling bushing is playing axis company
While connecing effect, the sliding bearing function of the support shafting as bushing is also realized simultaneously.
Tie point of the shaft coupling bushing as two axis, while being also stress point, it is eliminated to the greatest extent because shaft coupling serves as a contrast
The torque that radial force caused by covering generates reduces liner wear, increases the stationarity of unit operating.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. the axis connection and sliding bearing structure of a kind of vertical long shaft pump, it is characterised in that: the axis connection of the vertical long shaft pump
Include: with sliding bearing structure
Upper shell, flange for upper shell, upper axis, upper axle key, shaft coupling bushing, upper axis holding screw, intermediate sleeve, lower axle key, lower axle
Holding screw, lower axle, non-metallic bushings, non-metallic bushings seat, lower shell, flange of lower shell, lower shell bearing rib, lower shell
Support base, upper lower shell fastening assembly, non-metallic bushings fastening assembly；
The flange for upper shell of upper shell one is provided with and is equipped on upper shell,
The flange of lower shell of lower shell one is provided with and is equipped on lower shell, and lower shell includes lower shell bearing rib and lower cylinder
Body support base；Lower shell bearing rib is stuck between lower shell and lower shell support base；Lower shell bearing rib is lower shell branch
Support seat is fixed on lower shell；
Upper shell is connected with lower shell by upper lower shell fastener；
Non-metallic bushings are mounted in non-metallic bushings seat by interference fit；
Non-metallic bushings seat is mounted on lower shell support base by clearance fit；
It is fastened by non-metallic bushings fastening assembly, non-metallic bushings and lower shell is linked together, the shaft end of upper axis and lower axle
Portion is designed with concave structure slot, and intermediate sleeve is to divide half structure, by internal convex shape the lower end of upper axis and the upper end of lower axle
It blocks, has carried out axially position；
Shaft coupling bushing is covered in the outer end of upper axis, lower axle and intermediate sleeve, is positioned axially through the shaft shoulder of bottom end and lower axle, is guaranteed
Upper axis and lower axle installation are with one heart and axially position；
The interlude in shaft coupling excircle of bushing face has surface-treated wearing layer.
2. the axis connection and sliding bearing structure of vertical long shaft pump according to claim 1, it is characterised in that: above and below described
Cylinder fastener is screw, and screw passes through flange for upper shell and upper shell and lower shell are fixed together by flange of lower shell.
3. the axis connection and sliding bearing structure of vertical long shaft pump according to claim 1, it is characterised in that: the shaft coupling
Axle key is installed between section bushing and upper axis, is fixed by upper axis holding screw；It is equipped between shaft coupling bushing and lower axle
Lower axle key, is fixed by lower axle holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073980.6U CN209557321U (en) | 2019-01-16 | 2019-01-16 | A kind of axis connection and sliding bearing structure of vertical long shaft pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073980.6U CN209557321U (en) | 2019-01-16 | 2019-01-16 | A kind of axis connection and sliding bearing structure of vertical long shaft pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209557321U true CN209557321U (en) | 2019-10-29 |
Family
ID=68307554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073980.6U Active CN209557321U (en) | 2019-01-16 | 2019-01-16 | A kind of axis connection and sliding bearing structure of vertical long shaft pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209557321U (en) |
-
2019
- 2019-01-16 CN CN201920073980.6U patent/CN209557321U/en active Active
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