CN108581944B - Radial sliding bearing mounting and dismounting device - Google Patents
Radial sliding bearing mounting and dismounting device Download PDFInfo
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- CN108581944B CN108581944B CN201810672772.8A CN201810672772A CN108581944B CN 108581944 B CN108581944 B CN 108581944B CN 201810672772 A CN201810672772 A CN 201810672772A CN 108581944 B CN108581944 B CN 108581944B
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- bearing
- radial sliding
- sliding bearing
- fixedly connected
- cover plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention provides a radial sliding bearing mounting and dismounting device which comprises a lifting rod, a rotating sleeve, a rolling bearing, a supporting plate and an extraction cover plate, wherein the rotating sleeve is fixedly mounted in the rolling bearing, the rolling bearing is fixedly mounted in the middle of the supporting plate, the supporting plate is fixedly connected to a motor support of a water-lubricated bearing rack, the extraction cover plate is fixedly connected with the water-lubricated radial bearing, the lower end of the lifting rod is fixedly connected to the central position of the extraction cover plate, and the upper end of the lifting rod is in threaded connection with the rotating sleeve. The radial sliding bearing mounting and dismounting device provided by the invention can realize convenient and quick mounting and dismounting of the radial sliding bearing.
Description
Technical Field
The invention relates to the technical field of mounting and dismounting of bearings, in particular to a radial sliding bearing mounting and dismounting device.
Background
With the rapid development of economic construction and the adjustment of energy policies in China, the state institute of 3 months in 2006 passes through the 'long-term development planning in national nuclear power', the total installed capacity of nuclear power reaches 7000 ten thousand kilowatts in 2020, and 2-3 million kilowatt nuclear power units are put into production each year on average. The national development plan of 'eleven and five' proposes to actively develop nuclear power construction, focus on developing a million kilowatt-level nuclear power station and propose to realize autonomous innovation and localization of nuclear power equipment.
At present, the market of the shaft seal type nuclear main pump in China still depends on import, no enterprise capable of completely and autonomously producing the nuclear main pump exists in China, the reliability and the service life of relevant parts of the main pump determine the safety and the economical efficiency of operation of a nuclear power station, a radial sliding bearing needs to bear the radial force of a rotor of a unit and play a role in guiding the rotor, the radial sliding bearing is not easy to center when being installed due to the limitation of the running conditions of the water lubrication radial shaft such as high pressure, high temperature and water environment and the limitation of the structure of the radial sliding bearing, and the probe of a water film test sensor is difficult to damage when being disassembled, so that a device for installing and disassembling the radial sliding bearing with convenient installation and disassembly and high installation and disassembly efficiency is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a radial sliding bearing mounting and dismounting device which is convenient to mount and dismount and high in mounting and dismounting efficiency.
In order to solve the technical problems, the invention provides a radial sliding bearing mounting and dismounting device which comprises a lifting rod, a rotating sleeve, a rolling bearing, a supporting plate and an extraction cover plate, wherein the rotating sleeve is fixedly mounted in the rolling bearing; and
the lifting device comprises four guide rods and four guide sleeves, wherein the four guide rods and the four guide sleeves are arranged around the lifting rod, the guide sleeves are in threaded connection with threaded holes in the supporting plate and are limited and fixed through nuts, the lower ends of the guide rods are rigidly connected with the extraction cover plate, the upper ends of the guide rods are arranged in the guide sleeves in a sliding mode, and very small gaps exist between the guide rods and the guide sleeves;
the radial sliding bearing is installed in a bearing shell through a guide key, the radial sliding bearing is fixedly connected with the guide key, an eddy current displacement sensor probe is arranged on the side part of the bearing shell, the eddy current displacement sensor probe is screwed on a threaded hole in the side wall of the bearing shell through external threads on the surface of the eddy current displacement sensor probe, the bearing shell is fixedly connected with a middle support of a bearing rack, and the middle support is fixedly connected with a motor support;
the supporting plate is matched with a spigot of a motor support of the bearing rack in a positioning mode and fastened through a bolt, and the extracting cover plate is matched with a spigot of the radial sliding bearing and fixedly connected through a screw.
Further, the inner wall of swivel sleeve is provided with the internal thread, the upper end of lifter bar be provided with the internal thread assorted external screw thread of swivel sleeve rotates the swivel sleeve can drive with the lifter bar of swivel sleeve spiro union reciprocates.
Further, the lifting rod is in threaded connection with the extraction cover plate and is fastened by a nut.
Furthermore, the central point of backup pad puts to be provided with the mounting hole that antifriction bearing external diameter matches, antifriction bearing interference fit in the mounting hole of backup pad.
Further, the rotating sleeve is interference-fitted in the rolling bearing.
According to the radial sliding bearing mounting and dismounting device provided by the invention, the lifting rod in threaded connection with the rotary sleeve is driven to move up and down by rotating the rotary sleeve, so that a dismounted object, namely the radial sliding bearing is driven to move, the radial sliding bearing can be easily and conveniently dismounted and mounted, and the mounting and dismounting efficiency of the radial sliding bearing is improved. .
Drawings
Fig. 1 is a schematic structural diagram of a radial sliding bearing mounting and dismounting device provided in an embodiment of the present invention;
fig. 2 is a schematic view illustrating an installation and removal principle of the radial sliding bearing installation and removal device according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, a radial sliding bearing mounting and dismounting device provided by the embodiment of the invention is a bidirectional (forward and reverse) spigot-thread type rotary auxiliary shaft axial up-and-down moving structure. Comprises a lifting rod 1, a rotary sleeve 2, a rolling bearing 3, a support plate 7 and an extraction cover plate 10. The central point of backup pad 7 puts and is provided with the mounting hole with 3 external diameter size assorted of antifriction bearing, and the 3 interference of antifriction bearing is installed in the mounting hole of backup pad 7, and 2 interference fit of swivel mount make things convenient for the rotation of swivel mount 2 in antifriction bearing 3's inner circle. The supporting plate 7 is matched with a spigot of a motor support 8 of the bearing rack in a positioning mode, the supporting plate 7 is fixedly connected to the motor support 8 of the bearing rack through a bolt, the extracting cover plate 10 is matched with a spigot of a radial sliding bearing 16, and the extracting cover plate 10 is fixedly connected with the radial sliding bearing 16 through two screws 12. The lower end of the lifting rod 1 is provided with an external thread, the central position of the extraction cover plate 10 is provided with a threaded hole matched with the external thread of the lifting rod 1, the lower end of the lifting rod 1 is in threaded connection with the threaded hole of the extraction cover plate 10, and the lifting rod 1 and the extraction cover plate 10 are fixedly connected through a nut 9, so that the extraction rod 1 and the extraction cover plate 10 are prevented from being tripped due to weight; the upper end of lift bar 1 also is provided with the external screw thread, the inner wall of swivel housing 2 is provided with the external screw thread assorted internal thread with lift bar 1, the upper end spiro union of lift bar 1 is in swivel housing 2, it reciprocates to rotate the lift bar 1 that swivel housing 2 can drive and 2 spiro unions of swivel housing, the removal of lift bar 1 can drive the apron 10 removal of drawing of being connected with it, thereby drive and draw the 16 removal of radial sliding bearing of apron 10 fixed connection, thereby dismantle and install radial sliding bearing 16.
In order to strengthen the stability that lifting rod 1 drove 16 removal of radial bearing when reciprocating, still evenly be provided with four guide bars 4 and four guide sleeve 5 around lifting rod 1, guide sleeve 5 spiro union carries out spacing fixed in the threaded hole on backup pad 7 and through nut 6, the lower extreme of guide bar 4 with draw apron 10 fixed connection, the upper end slidable of guide bar 4 sets up in guide sleeve 5, and there is very little clearance between guide bar 4 and the guide sleeve 5, can guarantee that guide bar 4 reciprocates and does not take place to rock in guide sleeve 5, and simultaneously, guide bar 4 with draw apron 10 threaded rigid connection, can guarantee the accurate nature of guide bar 4 elevating movement.
The radial sliding bearing 16 is assembled in the bearing shell 11 through the guide key 13, the radial sliding bearing 16 is fixedly connected with the guide key 13 through screws, the guide key 13 is screwed on the inner wall of the bearing shell 11, the side part of the bearing shell 11 is provided with the eddy current displacement sensor probe 15, and the eddy current displacement sensor probe 15 is screwed on a threaded hole in the side wall of the bearing shell 11 through external threads on the surface of the eddy current displacement sensor probe 15 to play a role in measuring the displacement of the radial bearing 16 in the bearing shell 11. The bearing shell 11 and a middle support 14 spigot of the bearing rack are positioned and fixed by bolts, and the middle support 14 and the motor support 8 spigot are positioned and fixed by bolts.
The working principle of the radial sliding bearing mounting and dismounting device provided by the embodiment of the invention is as follows:
referring to fig. 2, the lifting cover plate 10 is matched with a spigot of a radial bearing 16 which is a disassembled object and is fastened by two screws 12, and the support plate 7 is positioned and matched with a spigot of a bearing stand motor bracket 8 and is fastened by bolts. When the radial bearing 16 is disassembled, the rotating sleeve 2 is rotated clockwise, the rotating motion of the rotating sleeve 2 in the rolling bearing 3 is converted into the axial motion of the rotating sleeve 2 and the lifting rod 1, the lifting rod 1 moves upwards to drive the extracting cover plate 10 to move upwards, and then the extracting cover plate 10 drives the disassembled object (the radial bearing 16) to move upwards until the radial bearing 16 is disassembled from the bearing shell 11. Because there is very little clearance between guide bar 4 and the guide sleeve 5, can guarantee that guide bar 4 removes but not take place to rock in guide sleeve 5, and guide bar 4 with draw apron 10 screw thread rigid connection, can guarantee to draw apron 10 elevating movement's accurate nature. When the radial bearing 16 needs to be installed, the rotating sleeve 2 is rotated counterclockwise, the lifting rod 1 moves downward to drive the extraction cover plate 10 to move downward, and then the extraction cover plate 10 drives the disassembled and assembled object (the radial bearing 16) to move downward until the radial bearing 16 is installed in place.
Because the supporting plate 7 is matched and positioned with the spigot of the motor support 8 of the bearing rack, and meanwhile, the extraction cover plate 10 and the radial sliding bearing 16 are also matched and positioned with the spigot, the precise positioning of the device and the radial sliding bearing 16 can be realized, the installation centering and the disassembly of the radial sliding bearing 16 are finally completed, and the radial sliding bearing 16 can be concentric with the bearing shell 11 when being disassembled and installed. In addition, since the eddy current displacement sensor probe 15 is screwed to the threaded hole in the side wall of the bearing housing 11 through the external thread thereof, and does not contact the radial sliding bearing 16 in the bearing housing 11, the radial sliding bearing 16 can be mounted and dismounted without removing the eddy current displacement sensor probe 15.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a radial sliding bearing installation and dismounting device which characterized in that: the lifting device comprises a lifting rod (1), a rotating sleeve (2), a rolling bearing (3), a supporting plate (7) and an extraction cover plate (10), wherein the rotating sleeve (2) is fixedly arranged in the rolling bearing (3), the rolling bearing (3) is fixedly arranged in the middle of the supporting plate (7), the supporting plate (7) is fixedly connected to a motor support (8) of a bearing rack, the extraction cover plate (10) is fixedly connected with a radial sliding bearing (16), the lower end of the lifting rod (1) is fixedly connected to the central position of the extraction cover plate (10), and the upper end of the lifting rod is in threaded connection with the rotating sleeve (2); and
the lifting device comprises four guide rods (4) and four guide sleeves (5) which are arranged around the lifting rod (1), wherein the guide sleeves (5) are in threaded connection with threaded holes in a supporting plate (7) and are limited and fixed through nuts (6), the lower ends of the guide rods (4) are rigidly connected with an extraction cover plate (10), the upper ends of the guide rods (4) are arranged in the guide sleeves (5) in a sliding manner, and a very small gap exists between each guide rod (4) and each guide sleeve (5);
the radial sliding bearing (16) is installed in a bearing shell (11) through a guide key (13), the radial sliding bearing (16) is fixedly connected with the guide key (13), an eddy current displacement sensor probe (15) is arranged on the side portion of the bearing shell (11), the eddy current displacement sensor probe (15) is screwed on a threaded hole in the side wall of the bearing shell (11) through external threads on the surface of the eddy current displacement sensor probe, the bearing shell (11) is fixedly connected with a middle support (14) of a bearing rack, and the middle support (14) is fixedly connected with the motor support (8);
the support plate (7) is matched with a spigot of a motor support (8) of the bearing rack in a positioning mode and fastened through a bolt, and the extraction cover plate (10) is matched with a spigot of the radial sliding bearing (16) and fixedly connected through a screw (12).
2. A radial sliding bearing mounting and dismounting device according to claim 1, characterized in that: the inner wall of swivel sleeve (2) is provided with the internal thread, the upper end of lifter (1) be provided with the internal thread assorted external screw thread of swivel sleeve (2), rotate swivel sleeve (2) can drive with lifter (1) of swivel sleeve (2) spiro union reciprocates.
3. A radial sliding bearing mounting and dismounting device according to claim 1, characterized in that: the lifting rod (1) is in threaded connection with the extraction cover plate (10) and is fastened through a nut (9).
4. A radial sliding bearing mounting and dismounting device according to claim 1, characterized in that: the center position of backup pad (7) is provided with the mounting hole that antifriction bearing (3) external diameter matches, antifriction bearing (3) interference fit is in the mounting hole of backup pad (7).
5. A radial sliding bearing mounting and dismounting device according to claim 1, characterized in that: the rotating sleeve (2) is assembled in the rolling bearing (3) in an interference mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672772.8A CN108581944B (en) | 2018-06-26 | 2018-06-26 | Radial sliding bearing mounting and dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672772.8A CN108581944B (en) | 2018-06-26 | 2018-06-26 | Radial sliding bearing mounting and dismounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108581944A CN108581944A (en) | 2018-09-28 |
| CN108581944B true CN108581944B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672772.8A Active CN108581944B (en) | 2018-06-26 | 2018-06-26 | Radial sliding bearing mounting and dismounting device |
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| Country | Link |
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| CN (1) | CN108581944B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848918A (en) * | 2019-01-31 | 2019-06-07 | 武汉船用机械有限责任公司 | Bearing assembly dismounts tooling |
| CN112283097A (en) * | 2020-11-24 | 2021-01-29 | 中国有色(沈阳)泵业有限公司 | Novel guide rod support sleeve and dismounting structure and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038603C2 (en) * | 1990-12-04 | 1995-08-17 | Foba Formenbau Gmbh | Disassembly tool for pulling out a cylindrical element that can be received in a bore |
| US6311380B1 (en) * | 1999-12-13 | 2001-11-06 | Yu-Lin Chen | Device for mounting bearings onto a shaft |
| CN202097708U (en) * | 2011-05-31 | 2012-01-04 | 山东泰开真空开关有限公司 | Bearing assembling tooling |
| CN103831779A (en) * | 2012-11-23 | 2014-06-04 | 上汽通用五菱汽车股份有限公司 | Engine piston pin snap ring press fitting tool |
| CN107116509A (en) * | 2017-06-12 | 2017-09-01 | 南宁学院 | A kind of cylinder jacket of diesel engine dismantling device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2897571Y (en) * | 2006-01-10 | 2007-05-09 | 西南石油学院 | Disassembly tool of non-standard roller bearing |
| CN207171967U (en) * | 2017-08-17 | 2018-04-03 | 中国第一汽车股份有限公司 | A kind of bearing outer ring dismounting and tension measuring device |
-
2018
- 2018-06-26 CN CN201810672772.8A patent/CN108581944B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038603C2 (en) * | 1990-12-04 | 1995-08-17 | Foba Formenbau Gmbh | Disassembly tool for pulling out a cylindrical element that can be received in a bore |
| US6311380B1 (en) * | 1999-12-13 | 2001-11-06 | Yu-Lin Chen | Device for mounting bearings onto a shaft |
| CN202097708U (en) * | 2011-05-31 | 2012-01-04 | 山东泰开真空开关有限公司 | Bearing assembling tooling |
| CN103831779A (en) * | 2012-11-23 | 2014-06-04 | 上汽通用五菱汽车股份有限公司 | Engine piston pin snap ring press fitting tool |
| CN107116509A (en) * | 2017-06-12 | 2017-09-01 | 南宁学院 | A kind of cylinder jacket of diesel engine dismantling device |
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| Publication number | Publication date |
|---|---|
| CN108581944A (en) | 2018-09-28 |
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