CN109236721A - A kind of rubber shaft bearing - Google Patents
A kind of rubber shaft bearing Download PDFInfo
- Publication number
- CN109236721A CN109236721A CN201811080381.3A CN201811080381A CN109236721A CN 109236721 A CN109236721 A CN 109236721A CN 201811080381 A CN201811080381 A CN 201811080381A CN 109236721 A CN109236721 A CN 109236721A
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- outer shaft
- shaft
- internal axle
- diameter
- 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.)
- Granted
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
- F04D29/02—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)
- Support Of The Bearing (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of rubber shaft bearings, are related to mounting tool technical field.The rubber shaft bearing includes outer shaft and internal axle sleeve, outer shaft is coaxially set in outside internal axle sleeve, outer shaft and internal axle sleeve are ring structure, the outer diameter of outer shaft and the internal diameter of steel pipe match, the internal diameter of outer shaft and the outer diameter of internal axle sleeve match, the internal diameter of internal axle sleeve and the outer diameter of long axis match, therefore the rubber shaft bearing can be set between long axis and steel pipe.And outer shaft is made of fluorubber material, long axis can be fixedly secured the designated position in steel pipe by the expanding force of itself by outer shaft, prevented long axis from beat occurs in rotation, to contact with steel pipe, shaken, generate noise, wear steel pipe.Internal axle sleeve is made of engineering plastics and graphite material, and tool has good wearability.Therefore bearing and absorbing effect to long axis may be implemented in the rubber shaft bearing, improves safety and reliability when power transmitting.
Description
Technical field
The present invention relates to mounting tool technical field, in particular to a kind of rubber shaft bearing.
Background technique
Borehole shaft driven (centrifugal) pump power transmission mode is the transmitting of long-shaft type power, will usually be moved by the motor arranged on deck plane
Power is transmitted in the borehole shaft driven (centrifugal) pump being arranged in cargo tank, i.e., is connected between motor and borehole shaft driven (centrifugal) pump by long shaft transmission.
The steel pipe for protecting long axis is usually also arranged with outside long axis.
Due to deck to borehole shaft driven (centrifugal) pump distance farther out, generally 7-30 meters, therefore long axis is during rotation easily
Beat shakes, and generates noise, reduces safety and reliability when power transmitting.
Summary of the invention
The embodiment of the invention provides a kind of rubber shaft bearings, and safety and reliability when power transmitting can be improved.Institute
It is as follows to state technical solution:
The embodiment of the invention provides a kind of rubber shaft bearings, are set in outside long axis, and the long axis is arranged in steel pipe, described
Rubber shaft bearing includes outer shaft and internal axle sleeve, and the outer shaft is coaxially set in outside the internal axle sleeve, the outer shaft and described
Internal axle sleeve is ring structure, and the outer diameter of the outer shaft and the internal diameter of the steel pipe match, the internal diameter of the outer shaft with
The outer diameter of the internal axle sleeve matches, and the internal diameter of the internal axle sleeve and the outer diameter of the long axis match, and the outer shaft uses
Fluorubber material is made, and the internal axle sleeve is made of engineering plastics and graphite material, along the outer shaft on the outer shaft
Axial direction offer joint-cutting.
Further, described along multiple half a month grooves that are circumferentially with of the outer shaft on the lateral wall of the outer shaft
Multiple half a month grooves are along the axially extending of the outer shaft.
Further, the multiple half a month groove equidistant interval setting.
Further, the lateral wall of the outer shaft is equipped with 10 half a month grooves.
Further, the end of the outer shaft is equipped with chamfering.
Further, the both ends of the outer shaft are respectively equipped with two annular convex platform along the radial direction of the outer shaft, described
The outer diameter of two annular convex platform and the internal diameter of the outer shaft match, and the internal diameter of described two annular convex platform is less than the inner shaft
The outer diameter of set, the outer diameter of described two annular convex platform are greater than the internal diameter of the internal axle sleeve.
Further, described more along multiple lubricating channels that are circumferentially with of the internal axle sleeve on the inner wall of the internal axle sleeve
A lubricating channels are axially extending along the internal axle sleeve.
Further, the multiple lubricating channels equidistant interval setting.
Further, the outer shaft and the internal axle sleeve are interference fitted.
Further, the internal axle sleeve and the long axis clearance fit.
Technical solution provided in an embodiment of the present invention has the benefit that
By the way that rubber shaft bearing is arranged, which includes outer shaft and internal axle sleeve, and outer shaft is coaxially set in internal axle sleeve
Outside, outer shaft and internal axle sleeve are ring structure, and the outer diameter of outer shaft and the internal diameter of steel pipe match, the internal diameter of outer shaft with it is interior
The outer diameter of axle sleeve matches, and the internal diameter of internal axle sleeve and the outer diameter of long axis match.Therefore the rubber shaft bearing can be set in long axis
Between steel pipe.And outer shaft is made of fluorubber material, outer shaft can be securely solid by long axis by the expanding force of itself
It is scheduled on the designated position in steel pipe, prevents long axis from beat occurs in rotation, shakes, generate noise.Internal axle sleeve uses work
Engineering plastics and graphite material are made, and tool has good wearability.Therefore bearing and suction to long axis may be implemented in the rubber shaft bearing
Bestir oneself use, improves the safety and reliability when transmitting of long axis power, while the axial direction on outer shaft along outer shaft offers
Joint-cutting can break outer shaft into two with one's hands from joint-cutting, so that internal axle sleeve is easier for installation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of cross-sectional view of rubber shaft bearing provided in an embodiment of the present invention;
Fig. 2 is a kind of side view of rubber shaft bearing provided in an embodiment of the present invention;
Fig. 3 is a kind of cross-sectional view of outer shaft provided in an embodiment of the present invention;
Fig. 4 is a kind of side view of outer shaft provided in an embodiment of the present invention;
Fig. 5 is a kind of cross-sectional view of internal axle sleeve provided in an embodiment of the present invention;
Fig. 6 is a kind of side view of internal axle sleeve provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
In order to better understand the present invention, application scenarios of the invention under illustrating briefly below:
Borehole shaft driven (centrifugal) pump power transmission mode is the transmitting of long-shaft type power, will usually be moved by the motor arranged on deck plane
Power is transmitted in the borehole shaft driven (centrifugal) pump being arranged in cargo tank, i.e., is connected between motor and borehole shaft driven (centrifugal) pump by long shaft transmission.
The steel pipe for protecting long axis is usually additionally provided with outside long axis.Lubricating oil is equipped between steel pipe and long axis.
The embodiment of the invention provides a kind of rubber shaft bearing, which be can be set between long axis and steel pipe, be used
In to borehole shaft driven (centrifugal) pump long axis supported, vibration damping.Fig. 1 is a kind of section view of rubber shaft bearing provided in an embodiment of the present invention
Figure, Fig. 2 is a kind of side view of rubber shaft bearing provided in an embodiment of the present invention, and as depicted in figs. 1 and 2, rubber shaft bearing includes outer
Axle sleeve 1 and internal axle sleeve 2, outer shaft 1 are coaxially set in outside internal axle sleeve 2, and outer shaft 1 and internal axle sleeve 2 are ring structure, outer shaft
1 outer diameter and the internal diameter of steel pipe (not shown) match, and the outer diameter of the internal diameter and internal axle sleeve 2 of outer shaft 1 matches, inner shaft
The internal diameter of set 2 and the outer diameter of long axis (not shown) match, and outer shaft 1 is made of fluorubber material, and internal axle sleeve 2 uses
Engineering plastics and graphite material are made, and the axial direction on outer shaft along outer shaft offers joint-cutting.
The embodiment of the present invention is by setting rubber shaft bearing, which includes outer shaft and internal axle sleeve, and outer shaft is coaxial
It is set in outside internal axle sleeve, outer shaft and internal axle sleeve are ring structure, and the outer diameter of outer shaft and the internal diameter of steel pipe match, outer shaft
The internal diameter of set and the outer diameter of internal axle sleeve match, and the internal diameter of internal axle sleeve and the outer diameter of long axis match.Therefore the rubber shaft bearing can
To be arranged between long axis and steel pipe.And outer shaft is made of fluorubber material, outer shaft can be by itself expanding force
Long axis is fixedly secured the designated position in steel pipe, prevents long axis from beat occurs in rotation, shakes, generate noise.
Internal axle sleeve is made of engineering plastics and graphite material, and tool has good wearability.Therefore the rubber shaft bearing may be implemented to length
The bearing and absorbing of axis act on, and improve the safety and reliability when transmitting of long axis power, while along outer shaft on outer shaft
Axial direction offer joint-cutting, outer shaft can be broken into two with one's hands from joint-cutting, so that internal axle sleeve is easier for installation.
It should be noted that rubber shaft bearing provided in an embodiment of the present invention can be arranged at equidistant intervals long axis and steel pipe it
Between.And farther out due to the distance on deck to borehole shaft driven (centrifugal) pump, long axis is mostly segmented arrangement, therefore provided in an embodiment of the present invention
Rubber shaft bearing can also play connection function, to improve the transmission length and coupling stiffness of long axis.
Rubber shaft bearing provided by the invention is simple and compact for structure, safety, high reliablity, be suitable for over long distances, it is high-power,
High-revolving long axis.
Further, it is equipped with lubricating oil between long axis and steel pipe, significantly reduces the coefficient of friction of rubber shaft bearing, avoids
Amount of heat is generated, the service life of rubber shaft bearing is improved.
Fig. 3 is a kind of cross-sectional view of outer shaft provided in an embodiment of the present invention, and Fig. 4 is one kind provided in an embodiment of the present invention
The side view of outer shaft, as shown in Figure 3 and Figure 4, the axial direction on outer shaft 1 along outer shaft 1 offer joint-cutting 11.It is cut by setting
Seam 11, can break outer shaft 1 into two with one's hands from joint-cutting 11, so that internal axle sleeve 2 is easier for installation.
Further, multiple half a month grooves 12, multiple half a months are circumferentially with along outer shaft 1 on the lateral wall of outer shaft 1
Groove 12 is axially extending along outer shaft 1.By the way that multiple half a month grooves 12 are arranged, can be packed into steel pipe in order to outer shaft 1.
Further, multiple 12 equidistant interval of half a month groove settings, can make being more uniformly stressed for outer shaft 1.
In the present embodiment, outer shaft 1 is equipped with 10 half a month grooves 12.If the quantity of half a month groove 12 is excessive, can lead
Cause outer shaft 1 and the contact area of steel pipe small, the stress of outer shaft 1 is small, then outer shaft 1 is easy to fall off.If half a month groove 12
Quantity is very few to will lead to outer shaft 1 and the contact area of steel pipe is big, and the stress of outer shaft 1 is larger, is not easy to install.
Further, the end of outer shaft 1 is equipped with chamfering 13.Outer shaft 1 can be made to be packed into steel by the way that chamfering 13 is arranged
It is more convenient when in pipe.
Further, as shown in figure 3, the both ends of outer shaft 1 are respectively equipped with two annular convex platform along the radial direction of outer shaft 1
14, the internal diameter of the outer diameter and outer shaft 1 of two annular convex platform 14 matches.
As shown in Figure 1, the internal diameter of two annular convex platform 14 is less than the outer diameter of internal axle sleeve 2, the outer diameter of two annular convex platform 14
Greater than the internal diameter of internal axle sleeve 2.
It should be noted that in the present embodiment, two annular convex platform 14 and outer shaft 1 are coaxially disposed, and the axis of internal axle sleeve 2
To length L2With the sum of the axial length of two annular convex platform 14 d1+d2Less than or equal to the axial length L of outer shaft 11。
By the way that two annular convex platform 14 are arranged at 1 both ends of outer shaft, position-limiting action can be played, prevents internal axle sleeve 2 along axis
To movement, final outer shaft 1 is detached from internal axle sleeve 2.
Fig. 5 is a kind of cross-sectional view of internal axle sleeve provided in an embodiment of the present invention, and Fig. 6 is one kind provided in an embodiment of the present invention
The side view of internal axle sleeve is circumferentially with multiple lubricating channels along internal axle sleeve 2 on the inner wall of internal axle sleeve 2 as shown in Figure 5 and Figure 6
21, multiple lubricating channels 21 are along the axially extending of internal axle sleeve 2.Then the lubricating oil between long axis and steel pipe can enter multiple lubrications
In groove 21, to be lubricated between internal axle sleeve 2 and long axis, reduce the friction between long axis and internal axle sleeve 2.
Further, multiple 21 equidistant interval of lubricating channels settings, it is ensured that is lubricated between internal axle sleeve 2 and long axis is equal
Even property.
In the present embodiment, the inner wall of internal axle sleeve 2 is equipped with the lubricating channels 21 of 2~3 equidistant intervals setting.If lubrication
The quantity of groove 21 is excessive, and the structural strength that will lead to internal axle sleeve 2 is insufficient, can not play if the quantity of lubricating channels 21 is excessively few
Lubricant effect.
Further, outer shaft 1 and internal axle sleeve 2 are interference fitted, it is ensured that are connected between outer shaft 1 and internal axle sleeve 2
Stability.
Further, internal axle sleeve 2 and long axis clearance fit, it is ensured that internal axle sleeve 2 will not influence the rotation of long axis, simultaneously
It can prevent long axis from internal axle sleeve 2 being driven to rotate.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of rubber shaft bearing, is set in outside long axis, the long axis is arranged in steel pipe, which is characterized in that the rubber shaft bearing
Including outer shaft and internal axle sleeve, the outer shaft is coaxially set in outside the internal axle sleeve, and the outer shaft and the internal axle sleeve are equal
For ring structure, the outer diameter of the outer shaft and the internal diameter of the steel pipe match, the internal diameter of the outer shaft and the inner shaft
The outer diameter of set matches, and the internal diameter of the internal axle sleeve and the outer diameter of the long axis match, and the outer shaft uses fluorubber material
Matter is made, and the internal axle sleeve is made of engineering plastics and graphite material, and the axial direction on the outer shaft along the outer shaft is opened
Equipped with joint-cutting.
2. rubber shaft bearing according to claim 1, which is characterized in that along the outer shaft on the lateral wall of the outer shaft
Be circumferentially with multiple half a month grooves, the multiple half a month groove is along the axially extending of the outer shaft.
3. rubber shaft bearing according to claim 2, which is characterized in that the multiple half a month groove equidistant interval setting.
4. rubber shaft bearing according to claim 3, which is characterized in that the lateral wall of the outer shaft is equipped with 10 half a months
Groove.
5. rubber shaft bearing according to claim 1, which is characterized in that the end of the outer shaft is equipped with chamfering.
6. rubber shaft bearing according to claim 1, which is characterized in that diameter of the both ends of the outer shaft along the outer shaft
To two annular convex platform are respectively equipped with, the outer diameter of described two annular convex platform and the internal diameter of the outer shaft match, and described two
The internal diameter of a annular convex platform is less than the outer diameter of the internal axle sleeve, and the outer diameter of described two annular convex platform is greater than the interior of the internal axle sleeve
Diameter.
7. rubber shaft bearing according to claim 1, which is characterized in that along the internal axle sleeve on the inner wall of the internal axle sleeve
Multiple lubricating channels are circumferentially with, the multiple lubricating channels are axially extending along the internal axle sleeve.
8. rubber shaft bearing according to claim 7, which is characterized in that the multiple lubricating channels equidistant interval setting.
9. rubber shaft bearing according to claim 1, which is characterized in that the outer shaft and the internal axle sleeve are interference fitted.
10. rubber shaft bearing according to claim 1, which is characterized in that the internal axle sleeve and the long axis clearance fit.
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 true CN109236721A (en) | 2019-01-18 |
CN109236721B 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 |
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CN (1) | CN109236721B (en) |
Citations (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 |
CN101178106A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Rubber-plastic composite bushing |
CN105114460A (en) * | 2015-08-13 | 2015-12-02 | 武汉船用机械有限责任公司 | Bearing and deep-well pump transmission shaft system provided with bearing |
CN205315498U (en) * | 2016-01-21 | 2016-06-15 | 南通三杰石墨制品有限公司 | Graphite axle sleeve |
CN205388097U (en) * | 2016-01-12 | 2016-07-20 | 安徽安菱橡塑有限公司 | Leaf spring composite bush |
-
2018
- 2018-09-17 CN CN201811080381.3A patent/CN109236721B/en active Active
Patent Citations (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 |
CN101178106A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Rubber-plastic composite bushing |
CN105114460A (en) * | 2015-08-13 | 2015-12-02 | 武汉船用机械有限责任公司 | Bearing and deep-well pump transmission shaft system provided with 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 |
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Publication number | Publication date |
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CN109236721B (en) | 2021-06-08 |
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