CN111823019B - Radial subdivision dislocation combination integrated machining method for radial spherical plain bearing outer ring shaft - Google Patents
Radial subdivision dislocation combination integrated machining method for radial spherical plain bearing outer ring shaft Download PDFInfo
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- CN111823019B CN111823019B CN202010679407.7A CN202010679407A CN111823019B CN 111823019 B CN111823019 B CN 111823019B CN 202010679407 A CN202010679407 A CN 202010679407A CN 111823019 B CN111823019 B CN 111823019B
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- outer ring
- ring blank
- blank
- mounting
- right outer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/14—Special methods of manufacture; Running-in
-
- 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
- F16C2220/00—Shaping
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting Of Bearings Or Others (AREA)
- Support Of The Bearing (AREA)
Abstract
The invention relates to a radial subdivision dislocation combination integrated processing method for an outer ring shaft of a radial spherical plain bearing, which is characterized by comprising the following steps of: the method comprises the following steps: respectively processing an inner hole, an outer circle and an end face of a left outer ring blank and a right outer ring blank of the radial spherical plain bearing by using a lathe; drilling a mounting through hole and a mounting screw hole in the end face of the left outer ring blank; drilling a mounting screw hole and a mounting through hole on the end face of the right outer ring blank; connecting and fixing the left outer ring blank and the right outer ring blank into an integral outer ring blank; uniformly cutting the outer ring blank into a plurality of outer ring fragments along the radial direction; taking down the mounting bolt; arranging the left outer ring fragments and the right outer ring fragments in a staggered manner, and connecting and fixing the outer ring fragments and the right outer ring fragments into an integral outer ring blank; processing the spherical surface and the excircle of the outer ring blank; processing a pin drilling hole and a pin reaming hole on the outer ring blank; inserting a taper pin into the pin hole; and performing finish machining on the spherical surface and the excircle of the outer ring blank to obtain an outer ring finished product of the joint bearing. The invention provides an outer ring which enables a radial spherical plain bearing to be convenient to disassemble and assemble.
Description
Technical Field
The invention relates to a processing technology of a radial spherical plain bearing.
Background
The radial spherical plain bearing is a spherical plain bearing, an inner ring with an outer spherical surface is sleeved in an outer ring with an inner spherical surface, and the inner ring and the outer ring are matched in a spherical way.
However, for large and extra-large oscillating bearings, it is inconvenient to mount the outer ring on the inner ring or dismount the outer ring from the inner ring due to the large size and weight.
If the outer ring of the knuckle bearing is divided into two pieces in the axial direction and divided into a plurality of pieces in the radial direction and then installed in a staggered mode, the single piece is light in weight and convenient to disassemble and install, and particularly for large and super-large knuckle bearings, the problems of assembly and disassembly of the large and super-large knuckle bearings can be well solved, but each piece is large in processing difficulty and high in precision requirement.
Disclosure of Invention
The invention provides a radial subdivision, dislocation and combination integrated processing method for an outer ring shaft of a radial spherical plain bearing, aiming at solving the defects of the prior art, reducing the processing difficulty of the outer ring of the radial spherical plain bearing and improving the processing precision of the outer ring of the radial spherical plain bearing.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a radial subdivision dislocation combination integrated processing method for an outer ring shaft of a radial spherical plain bearing is characterized by comprising the following steps of: the method comprises the following steps:
1) respectively processing an inner hole, an outer circle and an end face of a left outer ring blank and a right outer ring blank of the radial spherical plain bearing by using a lathe, wherein the left outer ring blank and the right outer ring blank are forgings;
2) drilling a mounting through hole and a mounting screw hole in the end face of the left outer ring blank by using a machining center;
3) drilling a mounting screw hole on the end face of the right outer ring blank by using a machining center, wherein the position of the mounting screw hole corresponds to the mounting through hole of the left outer ring blank; drilling a mounting through hole on the end face of the right outer ring blank, wherein the position of the mounting through hole corresponds to the mounting screw hole of the left outer ring blank;
4) the left outer ring blank and the right outer ring blank are opposite, the mounting bolts penetrate through the mounting through holes and then are screwed into the corresponding mounting screw holes, and the left outer ring blank and the right outer ring blank are connected and fixed into an integral outer ring blank;
5) uniformly cutting an outer ring blank into a plurality of outer ring fragments along the radial direction by a wire cutting machine tool, wherein the left outer ring blank is uniformly cut into a plurality of left outer ring fragments along the radial direction, and the right outer ring blank is uniformly cut into a plurality of right outer ring fragments along the radial direction;
6) taking down the mounting bolts to obtain a plurality of left outer ring fragments and a plurality of right outer ring fragments;
7) the left outer ring fragments and the right outer ring fragments are arranged in a staggered mode, mounting bolts penetrate through the mounting through holes and then are screwed into the corresponding mounting screw holes, and the left outer ring blank and the right outer ring blank are connected and fixed into an integral outer ring blank;
8) processing the outer ring blank obtained in the step 7) with a lathe to form a spherical surface and an outer circle;
9) processing the outer ring blank obtained in the step 8) by using a processing center to drill pin holes and hinge pin holes;
10) inserting a taper pin into the pin hole;
11) and (3) performing finish machining on the spherical surface and the excircle of the outer ring blank obtained in the step 10) by using a lathe to obtain an outer ring finished product of the joint bearing.
The invention has the advantages that:
the invention has the advantages that the outer ring of the radial spherical plain bearing formed by combining the left outer ring and the right outer ring which are formed by a plurality of outer ring segments can be obtained, and the outer ring is convenient to disassemble and assemble.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a side view of a radial spherical plain bearing of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of the portion P of FIG. 2;
FIG. 4 is an enlarged view of section Q of FIG. 2;
fig. 5 is a view from direction B of fig. 1.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, 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 that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, 2, 3, 4, and 5:
the axial-radial split type radial knuckle bearing used for the outer ring processed by the invention comprises an outer ring 1, an inner ring 2, a countersunk head bolt 3 and a taper pin 4.
The outer ring 1 is axially divided into two symmetrical halves, namely a left outer ring 11 and a right outer ring 12.
The left outer ring 11 is radially and uniformly divided into four left outer ring segments, that is, a left outer ring segment 111, a left outer ring segment 112, a left outer ring segment 113, and a left outer ring segment 114.
The right outer ring 12 is radially and uniformly divided into four right outer ring segments, that is, a right outer ring segment 121, a right outer ring segment 122, a right outer ring segment 123, and a right outer ring segment 124.
In other embodiments, the left outer ring 11 may be radially and uniformly divided into other numbers of left outer ring segments, and the right outer ring 12 may be radially and uniformly divided into other numbers of right outer ring segments.
The four left outer ring segments of the left outer ring 11 and the four right outer ring segments of the right outer ring 12 are arranged in a staggered manner, that is, four lines of a boundary line C between the left outer ring segment 111 and the left outer ring segment 112, a boundary line D between the left outer ring segment 112 and the left outer ring segment 113, a boundary line E between the left outer ring segment 113 and the left outer ring segment 114, and a boundary line F between the left outer ring segment 114 and the left outer ring segment 111 are all not coincident with four lines of a boundary line G between the right outer ring segment 121 and the right outer ring segment 122, a boundary line H between the right outer ring segment 122 and the right outer ring segment 123, a boundary line I between the right outer ring segment 123 and the right outer ring segment 124, and a boundary line J between the right outer ring segment 124 and the right outer ring segment 121.
Specifically, the boundary line C corresponds to the middle of the right outer segment 121, the boundary line D corresponds to the middle of the right outer segment 122, the boundary line E corresponds to the middle of the right outer segment 123, and the boundary line F corresponds to the middle of the right outer segment 124; in fig. 1, four lines of the boundary line G, the boundary line H, the boundary line I and the boundary line J are hidden behind the left outer lane 11, so that the boundary line G corresponds to the middle of the left outer lane segment 112, the boundary line H corresponds to the middle of the left outer lane segment 113, the boundary line I corresponds to the middle of the left outer lane segment 114 and the boundary line J corresponds to the middle of the left outer lane segment 111, which are indicated by dotted lines.
The left outer ring segment 111, the left outer ring segment 112, the left outer ring segment 113 and the left outer ring segment 114 are respectively provided with at least one second-order mounting through hole K parallel to the axis, the corresponding positions of the right outer ring segment 121, the right outer ring segment 122, the right outer ring segment 123 and the right outer ring segment 124 are respectively provided with a mounting screw hole L with an opening facing the left outer ring 11, the countersunk head bolt 3 penetrates through the second-order mounting through hole K and then is screwed into the corresponding mounting screw hole L, and the corresponding left outer ring segment and the right outer ring segment are connected, for example, the countersunk head bolt 3 penetrates through the second-order mounting through hole K formed in the left outer ring segment 111 and is screwed into the corresponding mounting screw hole L formed in the right outer ring segment 121, and the left outer ring segment 111 and the right outer ring segment 121 are connected through bolts.
The other side has the same structure, the right outer ring segment 121, the right outer ring segment 122, the right outer ring segment 123 and the right outer ring segment 124 are respectively provided with at least one second-order mounting through hole parallel to the axis, the corresponding positions of the left outer ring segment 111, the left outer ring segment 112, the left outer ring segment 113 and the left outer ring segment 114 are respectively provided with a mounting screw hole with an opening facing the right outer ring 12, and a countersunk head bolt penetrates through the second-order mounting through hole and then is screwed into the corresponding mounting screw hole to connect the corresponding right outer ring segment and the left outer ring segment.
Because the left outer ring segment and the right outer ring segment are arranged in a staggered mode, the countersunk bolts 3 arranged on the two sides of the outer ring 1 can connect the corresponding left outer ring segment and the right outer ring segment through bolts to form the complete outer ring 1.
In a left outer lane burst or right outer lane burst, can set up a plurality of countersunk head bolts 3 and couple together corresponding right outer lane burst or left outer lane burst, strengthen joint strength.
The left outer ring slicing piece 111, the left outer ring slicing piece 112, the left outer ring slicing piece 113 and the left outer ring slicing piece 114 are respectively provided with at least one positioning pin hole M parallel to the axis, the corresponding positions of the right outer ring slicing piece 121, the right outer ring slicing piece 122, the right outer ring slicing piece 123 and the right outer ring slicing piece 124 are parallel to the axis, and the conical pin 4 passes through the positioning pin hole M and is inserted into the corresponding positioning pin hole N to play a role in positioning and connecting the left outer ring slicing piece and the right outer ring slicing piece.
Thus, the left outer ring segment 111, the left outer ring segment 112, the left outer ring segment 113, the left outer ring segment 114, the right outer ring segment 121, the right outer ring segment 122, the right outer ring segment 123, and the right outer ring segment 124 are connected by the countersunk head bolt 3 to form the complete outer ring 1 and are positioned by the taper pin 4.
Then, an inner ring 2 with an outer spherical surface is sleeved in an outer ring 1 with an inner spherical surface, and the inner ring 2 is matched with the outer ring 1 in a spherical surface manner, so that the axial-radial split type radial spherical plain bearing is formed.
When the outer ring 1 is disassembled, the countersunk head bolts 3 and the taper pins 4 are disassembled, so that the outer ring 1 can be disassembled into a left outer ring segment 111, a left outer ring segment 112, a left outer ring segment 113, a left outer ring segment 114, a right outer ring segment 121, a right outer ring segment 122, a right outer ring segment 123 and a right outer ring segment 124 which are small in size and light in weight.
The processing of the outer ring 1 comprises the following steps:
1) respectively processing an inner hole, an outer circle and an end face of a left outer ring blank and a right outer ring blank of the radial spherical plain bearing by using a lathe, wherein the left outer ring blank and the right outer ring blank are forgings;
2) drilling a mounting through hole and a mounting screw hole in the end face of the left outer ring blank by using a machining center;
3) drilling a mounting screw hole on the end face of the right outer ring blank by using a machining center, wherein the position of the mounting screw hole corresponds to the mounting through hole of the left outer ring blank; drilling a mounting through hole on the end face of the right outer ring blank, wherein the position of the mounting through hole corresponds to the mounting screw hole of the left outer ring blank;
4) the left outer ring blank and the right outer ring blank are opposite, the mounting bolts penetrate through the mounting through holes and then are screwed into the corresponding mounting screw holes, and the left outer ring blank and the right outer ring blank are connected and fixed into an integral outer ring blank;
5) uniformly cutting an outer ring blank into a plurality of outer ring fragments along the radial direction by a wire cutting machine tool, wherein the left outer ring blank is uniformly cut into a plurality of left outer ring fragments along the radial direction, and the right outer ring blank is uniformly cut into a plurality of right outer ring fragments along the radial direction;
6) taking down the mounting bolts to obtain a plurality of left outer ring fragments and a plurality of right outer ring fragments;
7) the left outer ring fragments and the right outer ring fragments are arranged in a staggered mode, mounting bolts penetrate through the mounting through holes and then are screwed into the corresponding mounting screw holes, and the left outer ring blank and the right outer ring blank are connected and fixed into an integral outer ring blank;
8) processing the outer ring blank obtained in the step 7) with a lathe to form a spherical surface and an outer circle;
9) processing the outer ring blank obtained in the step 8) by using a processing center to drill pin holes and hinge pin holes;
10) inserting a taper pin into the pin hole;
11) and (3) performing finish machining on the spherical surface and the excircle of the outer ring blank obtained in the step 10) by using a lathe to obtain an outer ring finished product of the joint bearing.
The step 2) and the step 3) can also be realized by firstly processing the right outer ring blank and then processing the left outer ring blank.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. A radial subdivision dislocation combination integrated processing method for an outer ring shaft of a radial spherical plain bearing is characterized by comprising the following steps of: the method comprises the following steps:
1) respectively processing an inner hole, an outer circle and an end face of a left outer ring blank and a right outer ring blank of the radial spherical plain bearing by using a lathe, wherein the left outer ring blank and the right outer ring blank are forgings;
2) drilling a mounting through hole and a mounting screw hole in the end face of the left outer ring blank by using a machining center;
3) drilling a mounting screw hole in the end face of the right outer ring blank by using a machining center, wherein the position of the mounting screw hole of the right outer ring blank corresponds to the mounting through hole of the left outer ring blank; drilling a mounting through hole in the end face of the right outer ring blank, wherein the position of the mounting through hole of the right outer ring blank corresponds to the mounting screw hole of the left outer ring blank;
4) the left outer ring blank and the right outer ring blank are opposite, the mounting bolts penetrate through the mounting through holes and then are screwed into the corresponding mounting screw holes, and the left outer ring blank and the right outer ring blank are connected and fixed into an integral outer ring blank;
5) uniformly cutting an outer ring blank into a plurality of outer ring fragments along the radial direction by a wire cutting machine tool, wherein the left outer ring blank is uniformly cut into a plurality of left outer ring fragments along the radial direction, and the right outer ring blank is uniformly cut into a plurality of right outer ring fragments along the radial direction;
6) taking down the mounting bolts to obtain a plurality of left outer ring fragments and a plurality of right outer ring fragments;
7) the left outer ring fragments and the right outer ring fragments are arranged in a staggered mode, and the left outer ring fragments and the right outer ring fragments are screwed into corresponding mounting screw holes after mounting bolts penetrate through the mounting through holes, so that the left outer ring fragments and the right outer ring fragments are connected and fixed into an integral outer ring blank;
8) processing the outer ring blank obtained in the step 7) with a lathe to form a spherical surface and an outer circle;
9) processing the outer ring blank obtained in the step 8) by using a processing center to drill pin holes and hinge pin holes;
10) inserting a taper pin into the pin hole;
11) and (3) performing finish machining on the spherical surface and the excircle of the outer ring blank obtained in the step 10) by using a lathe to obtain an outer ring finished product of the joint bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679407.7A CN111823019B (en) | 2020-07-15 | 2020-07-15 | Radial subdivision dislocation combination integrated machining method for radial spherical plain bearing outer ring shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010679407.7A CN111823019B (en) | 2020-07-15 | 2020-07-15 | Radial subdivision dislocation combination integrated machining method for radial spherical plain bearing outer ring shaft |
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| Publication Number | Publication Date |
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| CN111823019A CN111823019A (en) | 2020-10-27 |
| CN111823019B true CN111823019B (en) | 2022-06-14 |
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| CN202010679407.7A Active CN111823019B (en) | 2020-07-15 | 2020-07-15 | Radial subdivision dislocation combination integrated machining method for radial spherical plain bearing outer ring shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2541663Y (en) * | 2002-03-20 | 2003-03-26 | 福建龙溪轴承股份有限公司 | Double-half outer ring annular joint bearing |
| DE102010032111A1 (en) * | 2010-07-23 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Catch bearing i.e. skew-angle roller bearing, for emergency bearing of contactless stored rotor, has outer ring parts arranged between series of balls, where butt joint of outer ring parts are centered on two sides of extending coaxial ring |
| CN102367835A (en) * | 2011-08-10 | 2012-03-07 | 福建龙溪轴承(集团)股份有限公司 | Self-lubricating oscillating bearing and manufacturing method thereof |
| CN204239481U (en) * | 2014-06-05 | 2015-04-01 | 王碧霞 | Oil ring |
| CN104832535A (en) * | 2015-03-25 | 2015-08-12 | 新昌县明瑞关节轴承有限公司 | A rolling type knuckle bearing |
| CN204956508U (en) * | 2015-09-25 | 2016-01-13 | 福建凯斯兰机械工业有限公司 | Self -lubricating type corrosion resistant train carriage connecting elements that shocks resistance |
| CN211009562U (en) * | 2019-11-12 | 2020-07-14 | 湖南联兴润泽科技发展有限公司 | Crossed roller bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205715329U (en) * | 2016-03-23 | 2016-11-23 | 天津龙创日盛机电实业有限公司 | Numerical control lathe special coupler |
| CN206738421U (en) * | 2017-05-05 | 2017-12-12 | 谐铸动力科技（上海）有限公司 | A kind of shaft coupling |
| CN207728751U (en) * | 2018-01-10 | 2018-08-14 | 山东钢铁股份有限公司 | Turbine main oil-pump shaft coupling |
| CN210196296U (en) * | 2019-07-24 | 2020-03-27 | 广州振通机械有限公司 | Double-diaphragm coupling |
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2020
- 2020-07-15 CN CN202010679407.7A patent/CN111823019B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2541663Y (en) * | 2002-03-20 | 2003-03-26 | 福建龙溪轴承股份有限公司 | Double-half outer ring annular joint bearing |
| DE102010032111A1 (en) * | 2010-07-23 | 2012-01-26 | Schaeffler Technologies Gmbh & Co. Kg | Catch bearing i.e. skew-angle roller bearing, for emergency bearing of contactless stored rotor, has outer ring parts arranged between series of balls, where butt joint of outer ring parts are centered on two sides of extending coaxial ring |
| CN102367835A (en) * | 2011-08-10 | 2012-03-07 | 福建龙溪轴承(集团)股份有限公司 | Self-lubricating oscillating bearing and manufacturing method thereof |
| CN204239481U (en) * | 2014-06-05 | 2015-04-01 | 王碧霞 | Oil ring |
| CN104832535A (en) * | 2015-03-25 | 2015-08-12 | 新昌县明瑞关节轴承有限公司 | A rolling type knuckle bearing |
| CN204956508U (en) * | 2015-09-25 | 2016-01-13 | 福建凯斯兰机械工业有限公司 | Self -lubricating type corrosion resistant train carriage connecting elements that shocks resistance |
| CN211009562U (en) * | 2019-11-12 | 2020-07-14 | 湖南联兴润泽科技发展有限公司 | Crossed roller bearing |
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| CN111823019A (en) | 2020-10-27 |
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