CN109236721B - Rubber bearing - Google Patents
Rubber bearing Download PDFInfo
- Publication number
- CN109236721B CN109236721B CN201811080381.3A CN201811080381A CN109236721B CN 109236721 B CN109236721 B CN 109236721B CN 201811080381 A CN201811080381 A CN 201811080381A CN 109236721 B CN109236721 B CN 109236721B
- Authority
- CN
- China
- Prior art keywords
- shaft sleeve
- sleeve
- axle sleeve
- rubber bearing
- steel pipe
- 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.)
- Active
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 6
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 6
- 239000007770 graphite material Substances 0.000 claims abstract description 5
- 241001272720 Medialuna californiensis Species 0.000 claims description 16
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention discloses a rubber bearing, and relates to the technical field of installation tools. This rubber bearing includes outer axle sleeve and interior axle sleeve, and outer axle sleeve coaxial sleeve establishes outside interior axle sleeve, and outer axle sleeve and interior axle sleeve are loop configuration, the external diameter of outer axle sleeve and the internal diameter phase-match of steel pipe, the internal diameter of outer axle sleeve and the external diameter phase-match of interior axle sleeve, the internal diameter of interior axle sleeve and the external diameter phase-match of major axis, therefore this rubber bearing can set up between major axis and steel pipe. And the outer shaft sleeve is made of fluororubber, and can firmly fix the long shaft at a specified position in the steel pipe through self tension force, so that the long shaft is prevented from deflecting when rotating, and is prevented from contacting with the steel pipe to vibrate, generate noise and abrade the steel pipe. The inner shaft sleeve is made of engineering plastics and graphite materials and has good wear resistance. Therefore, the rubber bearing can realize the supporting and vibration absorbing functions on the long shaft, and improves the safety and reliability in power transmission.
Description
Technical Field
The invention relates to the technical field of installation tools, in particular to a rubber bearing.
Background
The power transmission mode of the long-shaft deep-well pump is long-shaft power transmission, and the power is transmitted to the long-shaft deep-well pump arranged in the liquid cargo tank by a motor arranged on a deck surface, namely the motor is in transmission connection with the long-shaft deep-well pump through a long shaft. The long shaft is usually sleeved with a steel pipe for protecting the long shaft.
Because the distance from the deck to the long shaft deep well pump is long, generally 7-30 meters, the long shaft is easy to deflect in the rotating process, vibration is generated, noise is generated, and the safety and the reliability in power transmission are reduced.
Disclosure of Invention
The embodiment of the invention provides a rubber bearing, which can improve the safety and reliability in power transmission. The technical scheme is as follows:
the embodiment of the invention provides a rubber bearing which is sleeved outside a long shaft, the long shaft is arranged in a steel pipe, the rubber bearing comprises an outer shaft sleeve and an inner shaft sleeve, the outer shaft sleeve is coaxially sleeved outside the inner shaft sleeve, the outer shaft sleeve and the inner shaft sleeve are both of annular structures, the outer diameter of the outer shaft sleeve is matched with the inner diameter of the steel pipe, the inner diameter of the outer shaft sleeve is matched with the outer diameter of the inner shaft sleeve, the inner diameter of the inner shaft sleeve is matched with the outer diameter of the long shaft, the outer shaft sleeve is made of fluororubber, the inner shaft sleeve is made of engineering plastics and graphite materials, and a cutting seam is formed in the outer shaft sleeve along the axial direction of the outer shaft sleeve.
Furthermore, a plurality of half-moon grooves are formed in the outer side wall of the outer shaft sleeve along the circumferential direction of the outer shaft sleeve, and extend along the axial direction of the outer shaft sleeve.
Further, the plurality of half-moon grooves are arranged at equal intervals.
Furthermore, the outer side wall of the outer shaft sleeve is provided with 10 half-moon grooves.
Furthermore, the end part of the outer shaft sleeve is provided with a chamfer.
Furthermore, two annular bosses are respectively arranged at two ends of the outer shaft sleeve along the radial direction of the outer shaft sleeve, the outer diameters of the two annular bosses are matched with the inner diameter of the outer shaft sleeve, the inner diameters of the two annular bosses are smaller than the outer diameter of the inner shaft sleeve, and the outer diameters of the two annular bosses are larger than the inner diameter of the inner shaft sleeve.
Furthermore, a plurality of lubricating grooves are formed in the inner wall of the inner shaft sleeve along the circumferential direction of the inner shaft sleeve, and the plurality of lubricating grooves extend along the axial direction of the inner shaft sleeve.
Further, the plurality of lubrication grooves are arranged at equal intervals.
Further, the outer shaft sleeve is in interference fit with the inner shaft sleeve.
Further, the inner sleeve is in clearance fit with the long shaft.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
through setting up rubber bearing, this rubber bearing includes outer axle sleeve and interior axle sleeve, and outer axle sleeve coaxial sleeve establishes outside the axle sleeve in, and outer axle sleeve and interior axle sleeve are the loop configuration, the external diameter of outer axle sleeve and the internal diameter phase-match of steel pipe, the internal diameter of outer axle sleeve and the external diameter phase-match of interior axle sleeve, the internal diameter of interior axle sleeve and the external diameter phase-match of major axis. The rubber bearing can be disposed between the long shaft and the steel pipe. And the outer shaft sleeve is made of fluororubber, and can firmly fix the long shaft at a specified position in the steel pipe through self tension force, so that the long shaft is prevented from deflecting during rotation, vibrating and generating noise. The inner shaft sleeve is made of engineering plastics and graphite materials and has good wear resistance. Therefore, the rubber bearing can realize the supporting and vibration absorbing effects on the long shaft, the safety and the reliability during the power transmission of the long shaft are improved, and meanwhile, the outer shaft sleeve is provided with the cutting seam along the axial direction of the outer shaft sleeve and can be broken from the cutting seam, so that the inner shaft sleeve is more convenient to install.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a cross-sectional view of a rubber bearing provided by an embodiment of the present invention;
FIG. 2 is a side view of a rubber bearing provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an outer sleeve according to an embodiment of the present invention;
FIG. 4 is a side view of an outer sleeve according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of an inner hub provided in accordance with an embodiment of the present invention;
fig. 6 is a side view of an inner hub provided in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
For a better understanding of the invention, the following brief description of the application scenarios of the invention is provided:
the power transmission mode of the long-shaft deep-well pump is long-shaft power transmission, and the power is transmitted to the long-shaft deep-well pump arranged in the liquid cargo tank by a motor arranged on a deck surface, namely the motor is in transmission connection with the long-shaft deep-well pump through a long shaft. A steel pipe for protecting the long shaft is usually arranged outside the long shaft. Lubricating oil is arranged between the steel pipe and the long shaft.
The embodiment of the invention provides a rubber bearing which can be arranged between a long shaft and a steel pipe and is used for supporting and damping the long shaft in a long shaft deep well pump. Fig. 1 is a cross-sectional view of a rubber bearing provided in an embodiment of the present invention, and fig. 2 is a side view of the rubber bearing provided in the embodiment of the present invention, as shown in fig. 1 and fig. 2, the rubber bearing includes an outer shaft sleeve 1 and an inner shaft sleeve 2, the outer shaft sleeve 1 is coaxially sleeved outside the inner shaft sleeve 2, both the outer shaft sleeve 1 and the inner shaft sleeve 2 are of an annular structure, an outer diameter of the outer shaft sleeve 1 matches an inner diameter of a steel pipe (not shown in the figure), an inner diameter of the outer shaft sleeve 1 matches an outer diameter of the inner shaft sleeve 2, an inner diameter of the inner shaft sleeve 2 matches an outer diameter of a long shaft (not shown in the figure), the outer shaft sleeve 1 is made of a fluororubber material, the inner shaft sleeve 2 is made of an engineering plastic.
According to the embodiment of the invention, the rubber bearing is arranged and comprises the outer shaft sleeve and the inner shaft sleeve, the outer shaft sleeve is coaxially sleeved outside the inner shaft sleeve, the outer shaft sleeve and the inner shaft sleeve are both of annular structures, the outer diameter of the outer shaft sleeve is matched with the inner diameter of the steel pipe, the inner diameter of the outer shaft sleeve is matched with the outer diameter of the inner shaft sleeve, and the inner diameter of the inner shaft sleeve is matched with the outer diameter of the long shaft. The rubber bearing can be disposed between the long shaft and the steel pipe. And the outer shaft sleeve is made of fluororubber, and can firmly fix the long shaft at a specified position in the steel pipe through self tension force, so that the long shaft is prevented from deflecting during rotation, vibrating and generating noise. The inner shaft sleeve is made of engineering plastics and graphite materials and has good wear resistance. Therefore, the rubber bearing can realize the supporting and vibration absorbing effects on the long shaft, the safety and the reliability during the power transmission of the long shaft are improved, and meanwhile, the outer shaft sleeve is provided with the cutting seam along the axial direction of the outer shaft sleeve and can be broken from the cutting seam, so that the inner shaft sleeve is more convenient to install.
It should be noted that the rubber bearings provided by the embodiments of the present invention may be arranged between the long shaft and the steel pipe at equal intervals. And because the distance from the deck to the long shaft deep well pump is longer and the long shaft is mostly arranged in a sectional manner, the rubber bearing provided by the embodiment of the invention can also play a role in connection, so that the transmission length and the connection rigidity of the long shaft are improved.
The rubber bearing provided by the invention has the advantages of simple and compact structure, high safety and reliability, and is suitable for long shafts with long distance, high power and high rotating speed.
Furthermore, lubricating oil is arranged between the long shaft and the steel pipe, so that the friction coefficient of the rubber bearing is greatly reduced, a large amount of heat is prevented from being generated, and the service life of the rubber bearing is prolonged.
Fig. 3 is a sectional view of an outer sleeve according to an embodiment of the present invention, fig. 4 is a side view of the outer sleeve according to the embodiment of the present invention, and as shown in fig. 3 and 4, a slit 11 is formed in the outer sleeve 1 along an axial direction of the outer sleeve 1. By providing the slits 11, the outer sleeve 1 can be broken off from the slits 11, so that the inner sleeve 2 can be more conveniently mounted.
Further, a plurality of half-moon grooves 12 are formed in the outer side wall of the outer shaft sleeve 1 along the circumferential direction of the outer shaft sleeve 1, and the half-moon grooves 12 extend in the axial direction of the outer shaft sleeve 1. By arranging the half-moon grooves 12, the outer shaft sleeve 1 can be conveniently arranged in the steel pipe.
Further, the plurality of half-moon grooves 12 are arranged at equal intervals, so that the stress of the outer shaft sleeve 1 is more uniform.
In this embodiment, the outer hub 1 is provided with 10 half-moon grooves 12. If the number of the half-moon grooves 12 is too large, the contact area between the outer shaft sleeve 1 and the steel pipe is small, the stress of the outer shaft sleeve 1 is small, and the outer shaft sleeve 1 is easy to fall off. If the number of the half-moon grooves 12 is too small, the contact area between the outer shaft sleeve 1 and the steel pipe is large, the stress of the outer shaft sleeve 1 is large, and the installation is inconvenient.
Further, the end of the outer hub 1 is provided with a chamfer 13. The chamfer 13 is arranged, so that the outer shaft sleeve 1 can be more conveniently arranged in the steel pipe.
Further, as shown in fig. 3, two annular bosses 14 are respectively arranged at two ends of the outer sleeve 1 along the radial direction of the outer sleeve 1, and the outer diameters of the two annular bosses 14 are matched with the inner diameter of the outer sleeve 1.
As shown in fig. 1, the inner diameters of the two annular bosses 14 are smaller than the outer diameter of the inner hub 2, and the outer diameters of the two annular bosses 14 are larger than the inner diameter of the inner hub 2.
It should be noted that, in the present embodiment, the two annular bosses 14 are arranged coaxially with the outer hub 1, and the axial length L of the inner hub 2 is2And the sum d of the axial lengths of the two annular bosses 141+d2Axial length L of the outer sleeve 1 is less than or equal to1。
Through set up two annular bosss 14 at outer axle sleeve 1 both ends, can play limiting displacement, prevent that interior axle sleeve 2 from along axial displacement, finally outer axle sleeve 1 breaks away from with interior axle sleeve 2.
Fig. 5 is a sectional view of an inner sleeve according to an embodiment of the present invention, and fig. 6 is a side view of the inner sleeve according to the embodiment of the present invention, and as shown in fig. 5 and 6, a plurality of lubrication grooves 21 are formed on an inner wall of the inner sleeve 2 in a circumferential direction of the inner sleeve 2, and the plurality of lubrication grooves 21 extend in an axial direction of the inner sleeve 2. The lubricating oil between the long shaft and the steel pipe can enter the plurality of lubricating grooves 21 to lubricate between the inner sleeve 2 and the long shaft, and reduce the friction between the long shaft and the inner sleeve 2.
Further, the plurality of lubrication grooves 21 are arranged at equal intervals, so that the lubrication uniformity between the inner sleeve 2 and the long shaft can be ensured.
In this embodiment, the inner wall of the inner sleeve 2 is provided with 2-3 lubrication grooves 21 arranged at equal intervals. If the number of the lubrication grooves 21 is too large, the structural strength of the inner sleeve 2 becomes insufficient, and if the number of the lubrication grooves 21 is too small, the lubrication effect cannot be obtained.
Further, outer axle sleeve 1 and 2 interference fit of interior axle sleeve can guarantee the stability of being connected between outer axle sleeve 1 and the interior axle sleeve 2.
Further, interior axle sleeve 2 and major axis clearance fit can guarantee that interior axle sleeve 2 can not influence the rotation of major axis, can prevent simultaneously that the major axis from driving interior axle sleeve 2 and rotate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A rubber bearing is sleeved outside a long shaft, the long shaft is arranged in a steel pipe, and the rubber bearing is characterized by comprising an outer shaft sleeve and an inner shaft sleeve, the outer shaft sleeve is coaxially sleeved outside the inner shaft sleeve, the outer shaft sleeve and the inner shaft sleeve are both of annular structures, the outer diameter of the outer shaft sleeve is matched with the inner diameter of the steel pipe, the inner diameter of the outer shaft sleeve is matched with the outer diameter of the inner shaft sleeve, the inner diameter of the inner shaft sleeve is matched with the outer diameter of the long shaft, the outer shaft sleeve is made of fluororubber, the inner shaft sleeve is made of engineering plastics and graphite materials, and a cutting seam is formed in the outer shaft sleeve along the axial direction of the outer shaft sleeve;
the outer side wall of the outer shaft sleeve is provided with a plurality of half-moon grooves along the circumferential direction of the outer shaft sleeve, the half-moon grooves extend along the axial direction of the outer shaft sleeve, the inner wall of the inner shaft sleeve is provided with 2-3 lubricating grooves arranged at equal intervals along the circumferential direction of the inner shaft sleeve, and the lubricating grooves extend along the axial direction of the inner shaft sleeve;
the plurality of half moon grooves are arranged at equal intervals, 10 half moon grooves are arranged on the outer side wall of the outer shaft sleeve at equal intervals, the plurality of lubricating grooves are arranged at equal intervals, and the cutting seam extends to the inner side wall of the outer shaft sleeve from the groove bottom of one half moon groove of the plurality of half moon grooves.
2. A rubber bearing according to claim 1, wherein the end of the outer sleeve is chamfered.
3. The rubber bearing of claim 1, wherein two annular bosses are respectively arranged at two ends of the outer shaft sleeve along the radial direction of the outer shaft sleeve, the outer diameters of the two annular bosses are matched with the inner diameter of the outer shaft sleeve, the inner diameters of the two annular bosses are smaller than the outer diameter of the inner shaft sleeve, and the outer diameters of the two annular bosses are larger than the inner diameter of the inner shaft sleeve.
4. The rubber bearing of claim 1, wherein the outer sleeve is an interference fit with the inner sleeve.
5. The rubber bearing of claim 1, wherein the inner bushing is clearance fit with the long shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080381.3A CN109236721B (en) | 2018-09-17 | 2018-09-17 | Rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080381.3A CN109236721B (en) | 2018-09-17 | 2018-09-17 | Rubber bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236721A CN109236721A (en) | 2019-01-18 |
| CN109236721B true CN109236721B (en) | 2021-06-08 |
Family
ID=65059590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080381.3A Active CN109236721B (en) | 2018-09-17 | 2018-09-17 | Rubber bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236721B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000266042A (en) * | 1999-03-17 | 2000-09-26 | Kubota Corp | Slide bearing device for vertical-axis pump |
| CN100510457C (en) * | 2007-12-04 | 2009-07-08 | 东风汽车有限公司 | A rubber-plastic composite bushing |
| CN105114460B (en) * | 2015-08-13 | 2018-06-26 | 武汉船用机械有限责任公司 | A kind of bearing and the deep well pump drive shaft system with the bearing |
| CN205388097U (en) * | 2016-01-12 | 2016-07-20 | 安徽安菱橡塑有限公司 | Leaf spring composite bush |
| CN205315498U (en) * | 2016-01-21 | 2016-06-15 | 南通三杰石墨制品有限公司 | Graphite axle sleeve |
-
2018
- 2018-09-17 CN CN201811080381.3A patent/CN109236721B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109236721A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103097753B (en) | retainer for rolling bearing and rolling bearing | |
| US7517155B2 (en) | Resilient mount of uniform stiffness | |
| CN102235482B (en) | Lubrication structure of differential gear unit | |
| CN101080579B (en) | Bearing assembly for supporting a transmission shaft in a housing | |
| US9145947B2 (en) | Torsional vibration damping device | |
| US20190249764A1 (en) | Power transmission apparatus | |
| US20200343791A1 (en) | Lubrication mechanism for bearing of vehicle electric motor | |
| CN109236721B (en) | Rubber bearing | |
| CN207442558U (en) | A kind of brushless DC motor | |
| CN201377565Y (en) | Isolator belt pulley | |
| PH12018000109A1 (en) | Torsional vibration damper | |
| CN1201465C (en) | Fluid dynamic pressure bearing motor | |
| CN108730432B (en) | Gear support device for automatic transmission | |
| CN211930394U (en) | Motor bearing fixing structure | |
| JP2004278793A (en) | Bearing for high speed rotating shaft | |
| JP2015052374A (en) | Lubrication structure of power transmission device for vehicle | |
| CN216788978U (en) | Long-life reinforced lubrication oil-retaining bearing | |
| RU37401U1 (en) | ELASTIC DAMPING ROTOR SUPPORT | |
| CN211550263U (en) | High-strength anti-vibration bearing structure | |
| CN112217330B (en) | Car window motor shock attenuation fixed knot constructs and car | |
| CN207906395U (en) | A powder metallurgy idler | |
| CN220087043U (en) | Driving shaft supporting structure and driving motor | |
| CN221743022U (en) | Automobile eccentric wheel bearing | |
| CN219866166U (en) | Special speed reducer for spiral pushing | |
| CN211869499U (en) | Input shaft of automobile steering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |