CN2361888Y - Axial force balancing device - Google Patents
Axial force balancing device Download PDFInfo
- Publication number
- CN2361888Y CN2361888Y CN 98232156 CN98232156U CN2361888Y CN 2361888 Y CN2361888 Y CN 2361888Y CN 98232156 CN98232156 CN 98232156 CN 98232156 U CN98232156 U CN 98232156U CN 2361888 Y CN2361888 Y CN 2361888Y
- Authority
- CN
- China
- Prior art keywords
- thrust bearing
- series
- axle
- housing
- ring
- 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
- 230000007704 transition Effects 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to an axial force balancing device used for raising the bearing capacity of a protecting device. The inner part of a casing body of the protecting device is orderly connected in series with a thrust bearing group, an intermediate joint, and a thrust bearing along an axis. A silent block in the thrust bearing group is fixed on the casing body, a motion block and a dish spring are connected in series with and the axis by two half rings and a spacing ring, the motion block at the lower part of the thrust bearing is connected in series with the axis through a connection component, the silent block is fixed on the casing body, and a certain gap between the motion block and the silent block is kept. The space between the thrust bearing group and the lower part of the thrust bearing can be provided with the intermediate joint, and the number of the thrust bearing groups connected in series can be more than one.
Description
The utility model relates to a kind of device of balancing axial thrust, belongs to the thrust bearing field.
In Electric Submersible Pump Unit, the thrust bearing in the protector is used to bear the weight of pump shaft, decoupler shaft and protector axle, and the suffered any unbalanced axial force of balance pump shaft.In the design of electric pump unit, the restriction of the protected device diameter of the housing of the external diameter of thrust bearing, the thrust bearing external diameter can not be excessive, and the bearing capacity of thrust bearing is limited.In electric pump unit practical work process, thrust bearing is stressed to have direct relation with the lift electric pump unit, lift is high more, thrust bearing is stressed big more, when thrust bearing is stressed when exceeding its bearing capacity, and dynamic and static dry friction of thrust bearing, sound piece end wear, to thrust bearing was lost efficacy, so the bearing capacity of thrust bearing limited the application area of electric pump unit, such as the application of electric pump unit in the super dark oil well.
The utility model purpose is the problems referred to above that exist at thrust bearing, designs a kind of device of balancing axial thrust, makes two or more thrust bearings bear section axial power simultaneously respectively, improves the bearing capacity of protector, enlarges the application area of electric pump unit.
The technical solution of the utility model is: in protector housing, be connected in series thrust bearing group and thrust bearing in turn along the protector axle from top to bottom, top thrust bearing group comprises two motion blocks, two quiet and the collocation structure between two motion blocks, fix by hold-down ring and housing respectively for two quiet, two motion blocks, collocation structure are connected in series with protector axle between two quiet by two semi-rings, spacer ring, jump ring, rotate with pump shaft by key connecting; Quiet of bottom thrust bearing is fixed on the protector housing by hold-down ring, and motion block is connected in series with corresponding protector axle by two semi-rings, spacer ring, jump ring, and keeps certain clearance between motion block and quiet, and motion block rotates with pump shaft by key connecting.
Above-mentioned collocation structure can be dish spring etc.
In said structure, between top thrust bearing group and the bottom thrust bearing transition joint can be installed, the two ends of transition joint link to each other with housing threadably, with the sealing of O ring.
Can press-fit in the above-mentioned transition joint and set upright axle sleeve.
Thrust bearing group, the transition joint of serial connection can be for more than two.
The utility model has the advantages that the interior a plurality of thrust bearings of protector are worked simultaneously, improved the bearing capacity of protector, enlarged the application area of electric pump unit; Transition joint has reduced component processing and assembling difficulty, and portion inlays and sets upright axle sleeve within it, and the protector axle is played centralizing function, makes the thrust bearing stable working; Transition joint separately work of thrust bearing is not up and down concentrated living heat, has solved heat dissipation problem to a certain extent.
Fig. 1 is the structural drawing that the utility model is equipped with transition joint.
Fig. 2, Fig. 3 are that the utility model is equipped with transition joint and is connected in series two kinds of structural drawing of two thrust bearing groups and transition joint.
Below in conjunction with accompanying drawing, the utility model is described in detail:
Referring to Fig. 1, in protector housing 2, be connected in series thrust bearing group, transition joint 19 and thrust bearing from top to bottom in turn along axle 1, quiet 3,7 in the thrust bearing group of top is fixed on the housing 2 with hold-down ring 27,20 respectively, hold-down ring 20,27 and housing 2 are with scyewed joint, motion block 24,22 and dish spring 5 are connected in series with axle 1 by two semi-rings 26, spacer ring 25, guide sleeve 4, adjustment pad 21, jump ring 6, rotate with axle 1 by key 23; Transition joint 19 links with screw thread and housing 2 between top thrust bearing group and bottom thrust bearing, with 9 sealings of O ring, press-fits in the transition joint 19 and sets upright axle sleeve 8; Motion block 11 in the thrust bearing of bottom is connected in series with axle 1 by two semi-rings 18, spacer ring 17, adjustment pad 14, jump ring 10, rotate with axle 1 by key 16, be fixed on the housing 2 by hold-down ring 13 for quiet 15, and keep certain clearance with motion block 11, the size in gap is determined by the rated load design load of top thrust bearing group.
When axial force excessive, when further surpassing bottom thrust bearing bearing capacity, can be connected in series a plurality of thrust bearing groups and transition joint again by Fig. 2, structure shown in Figure 3, Fig. 2 is at the structural drawing that is connected in series a thrust bearing group and transition joint between transition joint shown in Figure 1 19 and the bottom thrust bearing more in turn, and Fig. 3 is the structural drawing that is connected in series a transition joint and a thrust bearing group below bottom thrust bearing shown in Figure 1 more in turn.In the transition joint, thrust bearing group of serial connection between each parts, parts are identical with mounting type and Fig. 1 between the housing 2.
Claims (5)
1. the device of a balancing axial thrust, in housing (2), be connected in series thrust bearing group and thrust bearing from top to bottom in turn along axle (1), it is characterized in that: in the thrust bearing group of top quiet (3,7) use hold-down ring (27 respectively, 20) be fixed on the housing (2), hold-down ring (20,27) with housing (2) with scyewed joint, motion block (24,22) and dish spring (5) by two semi-rings (26), spacer ring (25), guide sleeve (4), adjust pad (21), jump ring (6) is connected in series with axle (1), connect with axle (1) rotation by key (23), guide sleeve (4) is installed between dish spring (5) and the axle (1); The motion block of bottom thrust bearing (11) is connected in series with axle (1) by two semi-rings (18), spacer ring (17), adjustment pad (14), jump ring (10), connect with axle (1) rotation by key (16), quiet (15) are fixed on the housing (2) by hold-down ring (13), and keep certain clearance with motion block (11).
2. the device of a kind of balancing axial thrust according to claim 1 is characterized in that between top thrust bearing group and the bottom thrust bearing transition joint (19) being installed, and transition joint (19) and housing (2) are with scyewed joint, with O ring (9) sealing.
3. the device of a kind of balancing axial thrust according to claim 2 is characterized in that can press-fiting in the described transition joint (19) and sets upright axle sleeve (8).
4. the device of a kind of balancing axial thrust according to claim 2 is characterized in that can being connected in series a plurality of thrust bearing groups and transition joint again between transition joint (19) and the bottom thrust bearing.
5. the device of a kind of balancing axial thrust according to claim 2 is characterized in that: be connected in series a plurality of transition joints and thrust bearing group again below the thrust bearing of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98232156 CN2361888Y (en) | 1998-12-31 | 1998-12-31 | Axial force balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98232156 CN2361888Y (en) | 1998-12-31 | 1998-12-31 | Axial force balancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2361888Y true CN2361888Y (en) | 2000-02-02 |
Family
ID=33981245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98232156 Expired - Fee Related CN2361888Y (en) | 1998-12-31 | 1998-12-31 | Axial force balancing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2361888Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382246A (en) * | 2016-11-01 | 2017-02-08 | 河北三泉泵业有限公司 | Submersible motor with double anti-thrust structures, and submersible electric pump |
| CN111577645A (en) * | 2020-06-04 | 2020-08-25 | 沈阳方舟石油科技发展有限公司 | Thrust bearing structure |
| CN115853775A (en) * | 2021-09-23 | 2023-03-28 | 艾默生环境优化技术(苏州)有限公司 | Thrust structure of compressor and compressor |
-
1998
- 1998-12-31 CN CN 98232156 patent/CN2361888Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382246A (en) * | 2016-11-01 | 2017-02-08 | 河北三泉泵业有限公司 | Submersible motor with double anti-thrust structures, and submersible electric pump |
| CN111577645A (en) * | 2020-06-04 | 2020-08-25 | 沈阳方舟石油科技发展有限公司 | Thrust bearing structure |
| CN115853775A (en) * | 2021-09-23 | 2023-03-28 | 艾默生环境优化技术(苏州)有限公司 | Thrust structure of compressor and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Oil Submersible Electric Pump Technology Service Co., Daqing Petroleum Managemen Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |