CN111594084A - Ball joint bearing and core drilling machine - Google Patents
Ball joint bearing and core drilling machine Download PDFInfo
- Publication number
- CN111594084A CN111594084A CN202010433511.8A CN202010433511A CN111594084A CN 111594084 A CN111594084 A CN 111594084A CN 202010433511 A CN202010433511 A CN 202010433511A CN 111594084 A CN111594084 A CN 111594084A
- Authority
- CN
- China
- Prior art keywords
- spherical hinge
- bearing
- outer ring
- limiting
- support
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors for obtaining oriented cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
Abstract
The invention provides a ball hinge bearing and a core drilling machine, wherein the ball hinge bearing comprises: a support assembly; the turntable bearing is connected with the support assembly and is suitable for rotating relative to the support assembly; the turntable bearing is provided with a first thrust roller and a second thrust roller, the first thrust roller is used for bearing the axial thrust and the overturning moment of the turntable bearing, and the second thrust roller is used for bearing the radial thrust of the turntable bearing. This ball pivot joint bearing, carousel bearing can rotate relative to the support assembly, and carousel bearing is equipped with first thrust roller and second thrust roller, and first thrust roller can bear carousel bearing's axial thrust and the moment of overturning, and second thrust roller can bear carousel bearing's radial thrust. Therefore, when the ball hinged bearing is under the action of eccentric load, the turntable bearing deflects a certain angle relative to the support assembly so as to bear the action of the eccentric load and torque at the same time.
Description
Technical Field
The invention relates to the field of drilling machines, in particular to a ball hinge bearing and a core drilling machine comprising the same.
Background
At present, the turntable bearing for bearing force and moment in the driving of a drilling machine for rock tunnel construction adopts the turntable bearing, and because the working condition of a horizontal coring drilling machine is usually very severe, for coring drilling of large burial depth, long distance and extreme complex geology, the common driving turntable bearing cannot simultaneously have the effects of transmitting large torque and large axial force, bearing large unbalance load, flexibly deflecting and the like, and cannot work in such a complex working environment.
Disclosure of Invention
In order to solve at least one of the above technical problems, a first object of the present invention is to provide a ball joint bearing.
A second object of the invention is to provide a core drilling machine comprising the above ball hinge bearing.
To achieve the above object, according to a first aspect of the present invention, there is provided a ball hinge bearing, including: a support assembly; the turntable bearing is connected with the support assembly and is suitable for rotating relative to the support assembly; the turntable bearing is provided with a first thrust roller and a second thrust roller, the first thrust roller is used for bearing the axial thrust and the overturning moment of the turntable bearing, and the second thrust roller is used for bearing the radial thrust of the turntable bearing.
The technical scheme of the first aspect of the invention provides a ball hinge bearing, which comprises a support assembly and a turntable bearing connected with the support assembly. Wherein, the slewing bearing can rotate relative to the support assembly, and the slewing bearing is equipped with first thrust roller and second thrust roller, and first thrust roller can bear slewing bearing's axial thrust and the moment of overturning, and second thrust roller can bear slewing bearing's radial thrust. Therefore, when the ball hinged bearing is under the action of eccentric load, the turntable bearing deflects a certain angle relative to the support assembly so as to bear the action of the eccentric load and torque at the same time.
In addition, the ball hinge bearing in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, the support assembly includes a first spherical hinge support and a second spherical hinge support connected to the first spherical hinge support; the turntable bearing comprises a spherical hinge outer ring and a spherical hinge inner ring connected with the spherical hinge outer ring, the spherical hinge outer ring comprises a first spherical hinge outer ring and a second spherical hinge outer ring, the first spherical hinge outer ring and the second spherical hinge outer ring are respectively connected with the first spherical hinge support and the second spherical hinge support, the first spherical hinge outer ring is suitable for rotating relative to the first spherical hinge support, and the second spherical hinge outer ring is suitable for rotating relative to the second spherical hinge support; and the first spherical hinge outer ring and the second spherical hinge outer ring are connected through a fastener.
In this scheme, the support assembly includes first spherical hinge support and second spherical hinge support, and the carousel bearing includes spherical hinge inner circle and the spherical hinge outer lane of being connected with the spherical hinge inner circle. The spherical hinge outer ring comprises a first spherical hinge outer ring and a second spherical hinge outer ring, the first spherical hinge outer ring is connected with the first spherical hinge support, the second spherical hinge outer ring is connected with the second spherical hinge support, the first spherical hinge outer ring can rotate relative to the first spherical hinge support, and the second spherical hinge outer ring can rotate relative to the second spherical hinge support.
Specifically, the first spherical hinge support and the second spherical hinge support are connected through a fastening bolt.
In the above technical scheme, the first spherical hinge support and the second spherical hinge support are provided with limiting parts, the first spherical hinge outer ring and the second spherical hinge outer ring are provided with limiting matching parts, and the limiting parts are matched with the limiting matching parts, so that the turntable bearing is connected with the support assembly.
In the above technical solution, one of the limiting part and the limiting matching part includes a limiting groove, and the other includes a limiting protrusion, and the limiting protrusion is inserted into the limiting groove and rotates relative to the limiting groove, so that the first spherical hinge outer ring and the second spherical hinge outer ring are suitable for rotating relative to the first spherical hinge support and the second spherical hinge support.
In this scheme, one of spacing portion and spacing cooperation portion includes the spacing groove, another includes spacing arch (spacing portion includes the spacing groove promptly, spacing cooperation portion includes spacing arch, perhaps spacing portion includes spacing arch, spacing cooperation portion includes the spacing groove), spacing arch inserts the spacing groove, so that ball pivot bearing is connected with the support assembly, and spacing arch can rotate spacing groove relatively, make first ball pivot outer lane and second ball pivot outer lane can rotate first ball pivot support and second ball pivot support relatively respectively, realize that ball pivot bearing can bear the effect of unbalance loading.
In any of the above technical solutions, the limiting groove is a spherical groove, and the limiting protrusion is a spherical protrusion.
The matching surface of the first spherical hinge outer ring and the first spherical hinge support is a spherical surface, and the matching surface of the second spherical hinge outer ring and the second spherical hinge support is a spherical surface, so that the connection is reliable, the rotation is flexible, and the rotation flexibility and the eccentric load bearing capacity of the spherical hinge bearing are effectively improved.
In any one of the above technical solutions, the number of the first thrust rollers is two, and the two first thrust rollers are arranged along the axial direction of the turntable bearing; the second thrust roller is arranged between the two first thrust rollers and arranged along the diameter direction of the turntable bearing.
An aspect of the second aspect of the present invention provides a core drill including: the ball pivot bearing according to any one of the aspects of the first aspect; and the drilling machine body comprises a drill bit and a transmission shaft connected with the drill bit, and the ball hinged bearing is wound on the transmission shaft.
The core drill provided by the second aspect of the present invention includes the ball pivot bearing according to any one of the first aspect, and therefore has the effects described in any one of the above aspects, and details thereof are not repeated.
In the technical scheme, the drilling machine body is provided with a limiting concave cavity, and the ball hinge bearing is arranged in the limiting concave cavity and connected with the transmission shaft.
The drilling machine body is provided with a limiting cavity, the shape of the limiting cavity is matched with the spherical hinge bearing, the spherical hinge bearing is arranged in the limiting cavity to play a role in fixing the spherical hinge bearing, the spherical hinge bearing is connected with the transmission shaft, when the transmission shaft is subjected to unbalance loading due to the fact that a drill bit rotates to the process, the spherical hinge bearing can transmit larger torque, thrust and reverse thrust, the space occupation ratio in the driving of the drilling machine is small, the deflection angle is large, the unbalance loading capacity is achieved, the spherical hinge bearing can timely correct the deviation, the transmission shaft and the drill bit are guaranteed to be kept horizontal, and the stability of the drilling machine is effectively improved.
In the above technical solution, the core drill further includes: the driving device comprises a plurality of driving motors, and the driving motors are arranged at one end of the drilling machine body at intervals, connected with the transmission shaft and used for driving the transmission shaft to rotate.
In the above technical solution, the core drill further includes: and the speed reducing mechanism is connected with the driving motor and the transmission shaft respectively and is used for adjusting the rotating speed of the transmission shaft.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a ball joint bearing according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic cross-sectional view of a core drill according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
the device comprises a spherical hinge bearing 1, a first spherical hinge support 10, a first spherical hinge outer ring 20, a spherical hinge inner ring 30, a second spherical hinge support 40, a second spherical hinge outer ring 50, a first thrust roller 60, a second thrust roller 70, a fastener 80, a core-taking drill 2, a transmission shaft 21, a driving motor 22 and a speed reducing mechanism 23.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Ball pivot bearings and core drilling rigs according to some embodiments of the present invention are described below with reference to fig. 1-3.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present invention provides a ball joint bearing 1, where the ball joint bearing 1 includes: a support assembly; the turntable bearing is connected with the support assembly and is suitable for rotating relative to the support assembly; the turntable bearing is provided with a first thrust roller 60 and a second thrust roller 70, wherein the first thrust roller 60 is used for bearing the axial thrust and the overturning moment of the turntable bearing, and the second thrust roller 70 is used for bearing the radial thrust of the turntable bearing.
Embodiments of the first aspect of the present invention provide a ball pivot bearing 1, which includes a support assembly and a turntable bearing coupled to the support assembly. Wherein, the slewing bearing can rotate relative to the support assembly, and the slewing bearing is equipped with first thrust roller 60 and second thrust roller 70, and first thrust roller 60 can bear slewing bearing's axial thrust and overturning moment, and second thrust roller 70 can bear slewing bearing's radial thrust. Therefore, when the ball hinged bearing 1 is under the action of eccentric load, the turntable bearing is deflected by a certain angle relative to the support assembly so as to bear the action of the eccentric load and torque at the same time.
Specifically, the support assembly comprises a first spherical hinge support 10 and a second spherical hinge support 40 connected with the first spherical hinge support 10; the turntable bearing comprises a spherical hinge outer ring and a spherical hinge inner ring 30 connected with the spherical hinge outer ring, the spherical hinge outer ring comprises a first spherical hinge outer ring 20 and a second spherical hinge outer ring 50, the first spherical hinge outer ring 20 and the second spherical hinge outer ring 50 are respectively connected with a first spherical hinge support 10 and a second spherical hinge support 40, the first spherical hinge outer ring 20 is suitable for rotating relative to the first spherical hinge support 10, and the second spherical hinge outer ring 50 is suitable for rotating relative to the second spherical hinge support 40; wherein the first ball joint outer race 20 and the second ball joint outer race 50 are connected by fasteners 80.
The support assembly comprises a first spherical hinge support 10 and a second spherical hinge support 40, and the turntable bearing comprises a spherical hinge inner ring 30 and a spherical hinge outer ring connected with the spherical hinge inner ring 30. The spherical hinge outer ring comprises a first spherical hinge outer ring 20 and a second spherical hinge outer ring 50, the first spherical hinge outer ring 20 is connected with the first spherical hinge support 10, the second spherical hinge outer ring 50 is connected with the second spherical hinge support 40, the first spherical hinge outer ring 20 can rotate relative to the first spherical hinge support 10, and the second spherical hinge outer ring 50 can rotate relative to the second spherical hinge support 40, so that when the spherical hinge bearing 1 bears eccentric load, the first spherical hinge outer ring 20 rotates relative to the first spherical hinge support 10, and the second spherical hinge outer ring 50 rotates relative to the second spherical hinge support 40, so that the spherical hinge bearing 1 can bear the eccentric load and the torque simultaneously.
Specifically, the first and second spherical hinge supports 10 and 40 are connected by fastening bolts.
Further, the first spherical hinge support 10 and the second spherical hinge support 40 are provided with limiting parts, the first spherical hinge outer ring 20 and the second spherical hinge outer ring 50 are provided with limiting matching parts, and the limiting parts are matched with the limiting matching parts, so that the turntable bearing is connected with the support assembly.
One of the limiting part and the limiting fitting part comprises a limiting groove, the other one comprises a limiting protrusion, and the limiting protrusion is inserted into the limiting groove and rotates relative to the limiting groove, so that the first spherical hinge outer ring 20 and the second spherical hinge outer ring 50 are suitable for rotating relative to the first spherical hinge support 10 and the second spherical hinge support 40.
Specifically, one of spacing portion and spacing cooperation portion includes the spacing groove, another includes spacing arch (spacing portion includes the spacing groove promptly, spacing cooperation portion includes spacing arch, or spacing portion includes spacing arch, spacing cooperation portion includes the spacing groove), spacing arch inserts the spacing groove, so that ball pivot bearing 1 is connected with the support assembly, and spacing arch can rotate relative to the spacing groove, make first ball pivot outer lane 20 and second ball pivot outer lane 50 can rotate relative to first ball pivot support 10 and second ball pivot support 40 respectively, realize that ball pivot bearing 1 can bear the effect of unbalance loading.
Specifically, the limiting groove is a spherical groove, and the limiting protrusion is a spherical protrusion.
Namely, the matching surfaces of the first spherical hinge outer ring 20 and the first spherical hinge support 10 are spherical surfaces, and the matching surfaces of the second spherical hinge outer ring 50 and the second spherical hinge support 40 are also spherical surfaces, so that the connection is reliable, the rotation is flexible, and the rotation flexibility and the eccentric load bearing capacity of the spherical hinge bearing 1 are effectively improved.
Specifically, the number of the first thrust rollers 60 is two, and the two first thrust rollers 60 are provided along the axial direction of the slewing bearing; the second thrust roller 70 is disposed between the two first thrust rollers 60, and is disposed in the diameter direction of the slewing bearing, as shown in fig. 2.
As shown in fig. 3, an embodiment of a second aspect of the present invention provides a coring drill 2 comprising: the ball joint bearing 1 according to any one of the embodiments of the first aspect; and the drilling machine body comprises a drill bit and a transmission shaft 21 connected with the drill bit, and the ball hinge bearing 1 is wound on the transmission shaft 21.
The core drill 2 provided by the embodiment of the second aspect of the present invention includes the ball hinge bearing 1 according to any one of the embodiments of the first aspect, so that the effects of any one of the embodiments are achieved, and the details are not repeated herein.
Further, the drilling machine body is provided with a limiting concave cavity, and the ball hinged bearing 1 is arranged in the limiting concave cavity and connected with the transmission shaft 21.
The drilling machine body is provided with a limiting concave cavity, the shape of the limiting concave cavity is matched with the ball hinged bearing 1, the ball hinged bearing 1 is arranged in the limiting concave cavity, the effect of fixing the ball hinged bearing 1 is achieved, the ball hinged bearing 1 is connected with the transmission shaft 21, when the transmission shaft 21 receives unbalance loading due to the fact that a drill bit rotates to the process, the ball hinged bearing 1 can correct the deviation in time, the transmission shaft 21 and the drill bit are guaranteed to be kept horizontal, and the stability of the drilling machine is effectively improved.
Further, the coring drill 2 further includes: the driving device comprises a plurality of driving motors 22, and the plurality of driving motors 22 are arranged at one end of the drilling machine body at intervals and connected with the transmission shaft 21 for driving the transmission shaft 21 to rotate.
Further, the coring drill 2 further includes: the speed reducing mechanism 23, the speed reducing mechanism 23 is respectively connected with the driving motor 22 and the transmission shaft 21 for adjusting the rotation speed of the transmission shaft 21.
In summary, in the ball pivot bearing provided by the present invention, the turntable bearing can rotate relative to the support assembly, and the turntable bearing is provided with the first thrust roller and the second thrust roller, the first thrust roller can bear the axial thrust and the overturning moment of the turntable bearing, and the second thrust roller can bear the radial thrust of the turntable bearing. Therefore, when the ball hinged bearing is under the action of eccentric load, the turntable bearing deflects a certain angle relative to the support assembly so as to bear the action of the eccentric load and torque at the same time.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A ball pivot bearing for a core drilling machine, comprising:
a support assembly;
the turntable bearing is connected with the support assembly and is suitable for rotating relative to the support assembly;
the turntable bearing is provided with a first thrust roller and a second thrust roller, the first thrust roller is used for bearing the axial thrust and the overturning moment of the turntable bearing, and the second thrust roller is used for bearing the radial thrust of the turntable bearing.
2. Ball pivot bearing according to claim 1,
the support assembly comprises a first spherical hinge support and a second spherical hinge support connected with the first spherical hinge support;
the turntable bearing comprises a spherical hinge outer ring and a spherical hinge inner ring connected with the spherical hinge outer ring, the spherical hinge outer ring comprises a first spherical hinge outer ring and a second spherical hinge outer ring, the first spherical hinge outer ring and the second spherical hinge outer ring are respectively connected with the first spherical hinge support and the second spherical hinge support, the first spherical hinge outer ring is suitable for rotating relative to the first spherical hinge support, and the second spherical hinge outer ring is suitable for rotating relative to the second spherical hinge support;
and the first spherical hinge outer ring and the second spherical hinge outer ring are connected through a fastener.
3. Ball pivot bearing according to claim 2,
the first spherical hinge support and the second spherical hinge support are provided with limiting parts, the first spherical hinge outer ring and the second spherical hinge outer ring are provided with limiting matching parts, and the limiting parts are matched with the limiting matching parts to enable the turntable bearing to be connected with the support assembly.
4. Ball pivot bearing according to claim 3,
one of the limiting part and the limiting matching part comprises a limiting groove, the other one of the limiting part and the limiting matching part comprises a limiting protrusion, and the limiting protrusion is inserted into a limiting groove and rotates relative to the limiting groove, so that the first spherical hinge outer ring and the second spherical hinge outer ring are suitable for rotating relative to the first spherical hinge support and the second spherical hinge support.
5. Ball pivot bearing according to claim 4, characterized in that
The limiting groove is a spherical groove, and the limiting protrusion is a spherical protrusion.
6. The ball pivot bearing of any one of claims 1 to 5, further comprising:
the number of the first thrust rollers is two, and the two first thrust rollers are arranged along the axial direction of the turntable bearing;
the second thrust roller is arranged between the two first thrust rollers and arranged along the diameter direction of the turntable bearing.
7. A core drilling rig, comprising:
the ball pivot bearing of any one of claims 1 to 6; and
the drilling machine body comprises a drill bit and a transmission shaft connected with the drill bit, and the ball hinged bearing is wound on the transmission shaft.
8. The coring drill of claim 7,
the drilling machine body is provided with a limiting concave cavity, and the ball hinged bearing is arranged in the limiting concave cavity and connected with the transmission shaft.
9. The coring drill of claim 7 or 8, further comprising:
the driving device comprises a plurality of driving motors, and the driving motors are arranged at one end of the drilling machine body at intervals, connected with the transmission shaft and used for driving the transmission shaft to rotate.
10. The coring drill of claim 9, further comprising:
and the speed reducing mechanism is connected with the driving motor and the transmission shaft respectively and is used for adjusting the rotating speed of the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433511.8A CN111594084A (en) | 2020-05-21 | 2020-05-21 | Ball joint bearing and core drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010433511.8A CN111594084A (en) | 2020-05-21 | 2020-05-21 | Ball joint bearing and core drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111594084A true CN111594084A (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010433511.8A Withdrawn CN111594084A (en) | 2020-05-21 | 2020-05-21 | Ball joint bearing and core drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111594084A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007075386A2 (en) * | 2005-12-22 | 2007-07-05 | The Timken Company | Wheel end with stamped bearing races |
| CN101155988A (en) * | 2005-03-09 | 2008-04-02 | 蒂姆肯公司 | Pillow block system with tapered roller bearings |
| CN202628811U (en) * | 2012-06-07 | 2012-12-26 | 江苏凯宫隧道机械有限公司 | Rotating pivot bearing for driving of shield screw conveyer |
| CN103591135A (en) * | 2013-10-18 | 2014-02-19 | 洛阳轴研科技股份有限公司 | Structure design method of combined type knuckle roller bearing |
| CN203808894U (en) * | 2014-04-20 | 2014-09-03 | 泉州华大超硬工具科技有限公司 | Electric vertical core drilling rig |
| CN205778650U (en) * | 2016-06-01 | 2016-12-07 | 中国石油天然气集团公司 | Core drilling rig |
| CN207762127U (en) * | 2017-12-07 | 2018-08-24 | 山东巨通机械有限公司 | A kind of tapper roller pivoting support |
| CN210164800U (en) * | 2019-07-03 | 2020-03-20 | 马鞍山方圆精密机械有限公司 | Multi-sealing three-row column type slewing bearing |
-
2020
- 2020-05-21 CN CN202010433511.8A patent/CN111594084A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101155988A (en) * | 2005-03-09 | 2008-04-02 | 蒂姆肯公司 | Pillow block system with tapered roller bearings |
| WO2007075386A2 (en) * | 2005-12-22 | 2007-07-05 | The Timken Company | Wheel end with stamped bearing races |
| CN202628811U (en) * | 2012-06-07 | 2012-12-26 | 江苏凯宫隧道机械有限公司 | Rotating pivot bearing for driving of shield screw conveyer |
| CN103591135A (en) * | 2013-10-18 | 2014-02-19 | 洛阳轴研科技股份有限公司 | Structure design method of combined type knuckle roller bearing |
| CN203808894U (en) * | 2014-04-20 | 2014-09-03 | 泉州华大超硬工具科技有限公司 | Electric vertical core drilling rig |
| CN205778650U (en) * | 2016-06-01 | 2016-12-07 | 中国石油天然气集团公司 | Core drilling rig |
| CN207762127U (en) * | 2017-12-07 | 2018-08-24 | 山东巨通机械有限公司 | A kind of tapper roller pivoting support |
| CN210164800U (en) * | 2019-07-03 | 2020-03-20 | 马鞍山方圆精密机械有限公司 | Multi-sealing three-row column type slewing bearing |
Non-Patent Citations (1)
| Title |
|---|
| 李尚勇 等: "一种新型调心滚子轴承结构", 《轴承》 * |
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Application publication date: 20200828 |
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