CN112605968A - Sliding bearing scraping integrated platform and method - Google Patents
Sliding bearing scraping integrated platform and method Download PDFInfo
- Publication number
- CN112605968A CN112605968A CN202011557060.5A CN202011557060A CN112605968A CN 112605968 A CN112605968 A CN 112605968A CN 202011557060 A CN202011557060 A CN 202011557060A CN 112605968 A CN112605968 A CN 112605968A
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- Prior art keywords
- thrust
- sliding bearing
- scraping
- disc
- platform
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- Pending
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- 238000007790 scraping Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000010354 integration Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/12—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with storage compartments
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention belongs to the technical field of nuclear power station nuclear-grade rotating equipment maintenance, and particularly relates to a sliding bearing scraping and grinding integrated platform and a method. The sliding bearing scraping and grinding integrated platform is simple in structure, easy to operate, convenient and fast, can be used for conducting fixed scraping work on a radial sliding bearing, can be used for placing all thrust pads on the same plane to be fixed and conducting grinding and scraping work, can be used for realizing scraping of the radial sliding bearing and the thrust sliding bearing on the same platform, does not need to arrange a specially-assigned person to hold the sliding bearing by hand, can reduce personal injury risks in the working process, and effectively improves working efficiency.
Description
Technical Field
The invention belongs to the technical field of nuclear power station nuclear-grade rotating equipment maintenance, and particularly relates to a sliding bearing scraping and grinding integrated platform and a method.
Background
The sliding bearing is widely applied to nuclear-grade rotating equipment of a nuclear power station, and a radial sliding bearing and a thrust sliding bearing are commonly used. The radial sliding bearing mainly supports the rotor component and bears radial force; the thrust sliding bearing mainly axially limits the rotor component and bears partial residual axial force or instantaneous axial force. In the working process of the sliding bearing, an oil film with enough thickness needs to be established on the working surface, so that the friction between the sliding bearing and a rotor part is reduced, and the problems of high temperature, large vibration and the like of the sliding bearing in the operation process are avoided. In order to meet the above requirements, parameters such as the working clearance and the degree of adhesion of the sliding bearing must be controlled, and the bush scraping is an important process for controlling the above parameters.
The current scraping and grinding of the sliding bearing mainly has the following problems: when the radial sliding bearing is scraped, the radial sliding bearing is in an arc shape, so that the radial sliding bearing cannot be scraped when being directly placed on a workbench, and a specially-assigned person needs to be arranged to hold the radial sliding bearing to prevent the radial sliding bearing from rotating; when the thrust sliding bearing is scraped, because the thrust sliding bearing consists of a plurality of thrust pads, all the thrust pads are required to be placed on the same plane for grinding and then scraping, and a specially-assigned person is required to be arranged to hold the thrust sliding bearing by hands to prevent the thrust sliding bearing from being scattered or rotating; the scraper used for scraping is very sharp and special in shape, and is easy to cause personal injury to auxiliary hand-held personnel; the traditional bearing bush scraping is time-consuming and labor-consuming, and the working efficiency is not high.
Therefore, it is desirable to provide a sliding bearing scraping integrated platform and a method thereof to solve the deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a sliding bearing scraping and grinding integrated platform and a sliding bearing scraping and grinding integrated method, the integrated platform is simple in structure, easy to operate, convenient and quick, can be used for conducting fixed scraping work on a radial sliding bearing, can be used for placing all thrust pads on the same plane to be fixed and conducting grinding and scraping work, can be used for realizing scraping of the radial sliding bearing and the thrust sliding bearing on the same platform, does not need to arrange a special person to hold the sliding bearing by hand, reduces the personal injury risk in the working process, and effectively improves the working efficiency.
The technical scheme for realizing the purpose of the invention is as follows:
a sliding bearing scraping and grinding integrated platform comprises wheels, a platform, a thrust pad frame fixing disc, a thrust pad storage frame, a radial sliding bearing fixing frame, a thrust pad fixing device, a thrust pad frame, thrust pads, a thrust disc, a radial sliding bearing and a pin shaft;
the thrust tile rack is arranged on the thrust tile rack fixing disc, and the thrust tiles are respectively placed in grooves of the thrust tile rack; the upper surface of the platform is fixedly connected with a thrust disc storage rack, and the thrust disc is placed on the thrust disc storage rack; the upper surface of the platform is fixedly connected with a thrust tile fixing device through a pin shaft; the upper surface of the platform is fixedly connected with a radial sliding bearing fixing frame, and the outer arc surface of the radial sliding bearing is matched with the inner arc surface of the radial sliding bearing fixing frame.
The wheels are universal wheels and have a self-locking function.
The upper surface of the thrust tile rack fixing disc is provided with a key groove, and a positioning key is arranged in the key groove.
The thrust tile rack fixing disc is a circular concave component, the edge of the thrust tile rack fixing disc is of a boss structure, the thrust tile rack fixing disc is used for limiting the two half thrust tile racks, and the thrust tile racks are prevented from being scattered along the radial direction.
The lower surface of the thrust tile rack is provided with a key groove which is matched with a positioning key arranged on the upper surface of a fixed disk of the thrust tile rack to prevent rotation.
The upper surface of the thrust tile rack is provided with a plurality of grooves, and thrust tiles are placed in the grooves.
When the thrust disc works, the thrust disc is placed on a thrust tile frame provided with the thrust tiles, and the lower surface of the thrust disc is attached to the upper surface of the thrust tiles; when the thrust disc is not used, the thrust disc is placed on the thrust disc storage rack.
The thrust pad fixing device is installed on the pin shaft, rotates along the pin shaft, and the bottom surface of the thrust pad fixing device is attached to the platform.
The lower part of the pin shaft is provided with an external thread which is connected with the platform through a thread, the upper part of the pin shaft is provided with a hole and an internal thread which is connected with the external thread of the fixed disc to limit the axial movement of the thrust pad fixing device.
The thrust pad fixing device is uniformly provided with a plurality of grooves for storing the thrust pads.
The upper part of the radial sliding bearing fixing frame is of a semicircular structure, and the base is a cuboid and is connected with the platform through a bolt c.
The sliding bearing scraping integrated platform scraping method comprises the following steps:
pushing the sliding bearing scraping and grinding integrated platform to an overhaul site, self-locking the wheels, and fixing the sliding bearing scraping and grinding integrated platform;
coating red powder on the working surface of the thrust tile mounted on the thrust tile frame, placing the thrust disc on the thrust tile, enabling the lower working surface of the thrust disc to be attached to the working surface of the thrust tile, and rotating the thrust disc to grind the thrust tile;
taking out the thrust disc, placing the thrust disc on a thrust disc storage rack, taking out the thrust pad, placing the thrust pad in a groove of the thrust pad fixing device, observing a grinding point of the thrust pad, and scraping the thrust pad;
and fourthly, placing the radial sliding bearing in a radial sliding bearing fixing frame, observing the grinding point of the radial sliding bearing through circular arc matching and circular arc seam allowance positioning, and scraping the radial sliding bearing.
The invention has the beneficial technical effects that:
(1) the sliding bearing scraping and grinding integrated platform is simple in structure, easy to operate, convenient and fast;
(2) the sliding bearing scraping integrated platform can carry out fixed scraping work on a radial sliding bearing;
(3) the sliding bearing scraping integrated platform can place all thrust pads on the same plane to be fixed and carry out grinding and scraping work;
(4) the sliding bearing scraping integrated platform can realize that the radial sliding bearing and the thrust sliding bearing are scraped on the same platform;
(5) the sliding bearing scraping and grinding integrated platform does not need to arrange a specially-assigned person to hold the sliding bearing;
(6) the sliding bearing scraping and grinding integrated platform can reduce the personal injury risk in the working process and effectively improve the working efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a sliding bearing scraping integrated platform provided by the present invention;
in the figure: 1-a wheel; 2-a platform; 3-a positioning key; 4-bolt a; 5-thrust tile rack fixing disc; 6-bolt b; 7-thrust disc storage rack; 8-bolt c; 9-radial sliding bearing holder; 10-thrust pad fixing means; 11-fixing the disc; 12-a thrust shoe carrier; 13-a thrust pad; 14-a thrust disc; 15-radial sliding bearing; 16-pin shaft.
Detailed Description
In order to make those skilled in the art better understand the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention. It should be apparent that the embodiments described below are only some, but not all, of the embodiments of the present invention. All other embodiments that can be derived by a person skilled in the art from the embodiments described herein without inventive step are within the scope of the present invention.
As shown in fig. 1, the sliding bearing scraping integration platform provided by the invention comprises wheels 1, a platform 2, a positioning key 3, a bolt a 4, a thrust pad holder fixing disc 5, a bolt b 6, a thrust pad storage frame 7, a bolt c 8, a radial sliding bearing fixing frame 9, a thrust pad fixing device 10, a fixing disc 11, a thrust pad holder 12, a thrust pad 13, a thrust pad 14, a radial sliding bearing 15 and a pin 16.
The wheel 1 is welded at the bottom of the platform 2, the upper surface of the platform 2 is fixedly connected with a thrust tile rack fixing disc 5, a thrust tile rack 12 is arranged on the thrust tile rack fixing disc 5, and thrust tiles 13 are respectively placed in grooves of the thrust tile rack 12; the upper surface of the platform 2 is fixedly connected with a thrust disc storage rack 7, and a thrust disc 14 is placed on the thrust disc storage rack 7; the upper surface of the platform 2 is fixedly connected with the thrust pad fixing device 10 through a pin shaft 16; the upper surface of the platform 2 is fixedly connected with a radial sliding bearing fixing frame 9, and the outer arc surface of the radial sliding bearing 15 is matched with the inner arc surface of the radial sliding bearing fixing frame 9.
The wheels 1 are universal wheels and have a self-locking function, and the wheels 1 are connected with the platform 2 through welding;
the thrust tile rack fixing disc 5 is a circular concave part and is connected with the platform 2 through a bolt a 4; a key groove is processed on the upper plane of the thrust tile rack fixing disc 5 and used for installing the positioning key 3; the edge of the thrust tile rack fixing disc 5 is of a boss structure, the thrust tile rack 12 is formed by assembling two half parts together, and the boss structure at the edge is used for limiting the thrust tile rack 12 of the two half parts and preventing the thrust tile rack from being scattered along the radial direction;
a key groove is processed on the lower surface of the thrust tile rack 12 and matched with a positioning key 3 arranged on the upper plane of a thrust tile rack fixing disc 5 for rotation prevention;
the upper surface of the thrust tile rack 12 is provided with a plurality of grooves, and the thrust tiles 13 are placed in the grooves to grind the thrust tiles 13;
the thrust disc storage rack 7 is connected with the platform 2 through a bolt b 6;
when the thrust disc 14 needs to be ground with the thrust pad 13, the thrust disc 14 is placed on the thrust pad holder 12 with the thrust pad 13 installed, and the lower working surface of the thrust disc 14 is attached to the working surface of the thrust pad 13; when the thrust disc 14 is not used, the thrust disc 14 is placed on the thrust disc storage rack 7;
an external thread is processed below the pin shaft 16 and is connected with the platform 2 through a thread; an internal thread is processed on the pin shaft 16 and is used for being connected with the external thread of the fixed disc 11 to limit the axial movement of the thrust pad fixing device 10;
the thrust pad fixing device 10 is arranged on a pin shaft 16, the bottom surface of the thrust pad fixing device is placed on the plane of the platform 2, and the thrust pad fixing device rotates along the pin shaft 16;
the thrust pad fixing device 10 is uniformly provided with a plurality of grooves for storing the thrust pads 13 for scraping;
the upper surface of the radial sliding bearing fixing frame 9 is in a semi-circular arc shape, and the base is a cuboid; the base of the radial sliding bearing fixing frame 9 is connected with the platform 2 through a bolt c 8; the outer arc surface of the radial sliding bearing 15 is matched with the inner arc surface of the radial sliding bearing fixing frame 9 and is limited by the arc rabbet.
The invention also provides a scraping method of the sliding bearing scraping integrated platform, which comprises the following steps:
pushing the sliding bearing scraping and grinding integrated platform to an overhaul site, self-locking the wheel 1, and fixing the sliding bearing scraping and grinding integrated platform;
coating red powder on the working surface of a thrust tile 13 arranged on the thrust tile frame 12, placing a thrust disc 14 on the thrust tile 13, enabling the lower working surface of the thrust disc 14 to be attached to the working surface of the thrust tile 13, and rotating the thrust disc 14 to grind the thrust tile 13;
taking out the thrust disc 14 and placing the thrust disc on the thrust disc storage rack 7, taking out the thrust pad 13 and placing the thrust pad in a groove of the thrust pad fixing device 10, observing a grinding point of the thrust pad 13, and scraping the thrust pad 13;
and step four, the radial sliding bearing 15 is placed in the radial sliding bearing fixing frame 9, the grinding point of the radial sliding bearing 15 is observed through circular arc matching and circular arc seam allowance positioning, and the radial sliding bearing 15 is scraped.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The prior art can be adopted in the content which is not described in detail in the invention.
Claims (12)
1. The utility model provides a slide bearing scraping integrated platform which characterized in that: the platform comprises wheels (1), a platform (2), a thrust tile rack fixing disc (5), a thrust tile storage rack (7), a radial sliding bearing fixing frame (9), a thrust tile fixing device (10), a thrust tile rack (12), thrust tiles (13), a thrust disk (14), a radial sliding bearing (15) and a pin shaft (16);
the wheel (1) is welded at the bottom of the platform (2), the upper surface of the platform (2) is fixedly connected with a thrust tile rack fixing disc (5), a thrust tile rack (12) is installed on the thrust tile rack fixing disc (5), and thrust tiles (13) are respectively placed in grooves of the thrust tile rack (12); the upper surface of the platform (2) is fixedly connected with a thrust disc storage rack (7), and a thrust disc (14) is placed on the thrust disc storage rack (7); the upper surface of the platform (2) is fixedly connected with the thrust pad fixing device (10) through a pin shaft (16); the upper surface of the platform (2) is fixedly connected with a radial sliding bearing fixing frame (9), and the outer arc surface of the radial sliding bearing (15) is matched with the inner arc surface of the radial sliding bearing fixing frame (9).
2. A sliding bearing scraping integration platform according to claim 1, wherein: the wheels (1) are universal wheels and have a self-locking function.
3. A sliding bearing scraping integration platform according to claim 2, wherein: the upper surface of the thrust tile rack fixing disc (5) is processed with a key groove, and a positioning key (3) is arranged in the key groove.
4. A sliding bearing scraping integration platform according to claim 3, wherein: thrust tile rack fixed disk (5) be the concave type part of circle, the border is the boss structure, and is spacing to thrust tile rack (12) of two halves, prevents to scatter along radial.
5. A sliding bearing scraping integration platform according to claim 4, wherein: the lower surface of the thrust tile rack (12) is provided with a key groove which is matched with a positioning key (3) arranged on the upper surface of the thrust tile rack fixing disc (5) to prevent rotation.
6. A sliding bearing scraping integration platform according to claim 5, wherein: the upper surface of the thrust tile rack (12) is provided with a plurality of grooves, and thrust tiles (13) are placed in the grooves.
7. A sliding bearing scraping integration platform according to claim 6, wherein: when the thrust disc (14) works, the thrust disc (14) is placed on the thrust tile rack (12) provided with the thrust tiles (13), and the lower surface of the thrust disc (14) is attached to the upper surface of the thrust tiles (13); when the thrust disc (14) is not used, the thrust disc (14) is placed on the thrust disc storage rack (7).
8. A sliding bearing scraping integration platform according to claim 7, wherein: the thrust pad fixing device (10) is installed on the pin shaft (16) and rotates along the pin shaft (16), and the bottom surface of the thrust pad fixing device is attached to the platform (2).
9. A sliding bearing scraping integration platform according to claim 8, wherein: the lower part of the pin shaft (16) is provided with an external thread and is in threaded connection with the platform (2), the upper part of the pin shaft (16) is provided with a hole and is provided with an internal thread which is in threaded connection with the fixed disc (11) to limit the axial movement of the thrust pad fixing device (10).
10. A sliding bearing scraping integration platform according to claim 9, wherein: the thrust pad fixing device (10) is uniformly provided with a plurality of grooves for storing the thrust pads (13).
11. A sliding bearing scraping integration platform according to claim 10, wherein: the upper part of the radial sliding bearing fixing frame (9) is of a semicircular arc structure, and the base is a cuboid and is connected with the platform (2) through a bolt c (8).
12. A sliding bearing scraping integrated platform scraping method according to claim 11, characterized in that the method comprises the following steps:
pushing the sliding bearing scraping integrated platform to an overhaul site, self-locking the wheel (1), and fixing the sliding bearing scraping integrated platform;
secondly, coating red powder on the working surface of a thrust tile (13) arranged on a thrust tile frame (12), placing a thrust disc (14) on the thrust tile (13), enabling the lower working surface of the thrust disc (14) to be attached to the working surface of the thrust tile (13), and rotating the thrust disc (14) to grind the thrust tile (13);
taking out the thrust disc (14) and placing the thrust disc on a thrust disc storage rack (7), taking out the thrust pad (13) and placing the thrust pad in a groove of a thrust pad fixing device (10), observing a grinding point of the thrust pad (13), and scraping the thrust pad (13);
and fourthly, placing the radial sliding bearing (15) in the radial sliding bearing fixing frame (9), observing the grinding point of the radial sliding bearing (15) through arc matching and arc spigot positioning, and scraping the radial sliding bearing (15).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557060.5A CN112605968A (en) | 2020-12-25 | 2020-12-25 | Sliding bearing scraping integrated platform and method |
| RU2021113368A RU2764887C1 (en) | 2020-12-25 | 2021-05-11 | Integrated stand for scraping and grinding of the sliding bearing and the way it works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557060.5A CN112605968A (en) | 2020-12-25 | 2020-12-25 | Sliding bearing scraping integrated platform and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112605968A true CN112605968A (en) | 2021-04-06 |
Family
ID=75244987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011557060.5A Pending CN112605968A (en) | 2020-12-25 | 2020-12-25 | Sliding bearing scraping integrated platform and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112605968A (en) |
| RU (1) | RU2764887C1 (en) |
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| JP2011042003A (en) * | 2009-08-20 | 2011-03-03 | Disco Abrasive Syst Ltd | Holding table and grinding device |
| CN105290952A (en) * | 2015-11-05 | 2016-02-03 | 哈尔滨电气动力装备有限公司 | Tool device for grinding of cambered surface of bearing bush of large shielded motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2764887C1 (en) | 2022-01-24 |
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