CN2925760Y - Large roller-bearing integrated disattachable clamp - Google Patents
Large roller-bearing integrated disattachable clamp Download PDFInfo
- Publication number
- CN2925760Y CN2925760Y CN 200620043320 CN200620043320U CN2925760Y CN 2925760 Y CN2925760 Y CN 2925760Y CN 200620043320 CN200620043320 CN 200620043320 CN 200620043320 U CN200620043320 U CN 200620043320U CN 2925760 Y CN2925760 Y CN 2925760Y
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- China
- Prior art keywords
- bearing
- roller bearing
- movable hook
- hook plate
- anchor clamps
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- Expired - Fee Related
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Abstract
The utility model relates to a device for disassembling and assembling a bearing, in particular to a big roller bearing wholly disassembling and assembling clamp, mainly solving the technical problems of easy damage of a sealing element and low operating efficiency with manual operation. The technical proposal of the utility model is that the device is a big roller bearing wholly disassembling and assembling clamp, consisting of a double threaded screw, a bottom seat, a locating clamping plate, moveable hook plates and a hanging ring. The locating clamping plate and the bottom seat are respectively connected in a revolving way on the upper and lower ends of the double threaded screw, the two symmetrical moveable hook plates are equipped on the bottom seat, a sliding groove is equipped on the moveable hook plates, and the sliding groove is fixed on the bottom seat by a threaded bolt, the hanging ring with an inner bolt hole is connected in a revolving way on the upper end of the double threaded screw, and the clamp is H-shaped. An arc dummy club symmetrical with the center hole for locating the hole wall in the bearing inner race is equipped on the two ends of the bottom of the locating clamping plate, a semicircle groove matched with the diameter of a threaded rod is equipped at the center of the inner surface of the moveable hook plates, and outward arc heave is on the outer end surface of the moveable hook plates. The utility model is mainly used for the whole disassembling and assembling of the closed type puadrifarious conical roller bearing.
Description
Technical field: the utility model relates to a kind of device that is used for bearing dismantling, particularly a kind of large-scale roller bearing integral disassembly, assembly anchor clamps.
Background technology: steel industry milling equipment working roller bearing base system is because of the decision of technological specification characteristic, in the rolling running some cycles of the roller bearing that works online, need roll off the production line bearing is checked and safeguarded, this work is undertaken by special grinding roller maintenance unit usually.Usually at big-and-middle-sized steel rolling mill grinding roller maintenance unit,, therefore, must lay in certain working roll bearing block at grinding roller maintenance unit for ensureing the reliability of milling train production continuity and workroll bearing period run.Dispose the standby quantity of pairing bearing block of corresponding specification according to each frame of milling train, according to the requirement of technological specification, the cycle of rolling off the production line replaced on regularly the working roll bearing block that online running is used carried out.The working roll bearing block bearing that rolls off the production line is dismantled, cleans, checks, safeguarded and assembles.So grinding roller maintenance unit workroll bearing safeguards that the dismounting operation is very busy, the annual bearing maintenance quantity hundreds of cover that needs.
For the higher milling train of rolling accuracy,, be called for short: the DCR milling train as " two-shipper frame six-roll type secondary cold-rolling milling train ".Big working roll, little working roll and the intermediate calender rolls bearing that the DCR milling train uses, all adopted the closed type four-row tapered roller bearing of micron order.The closed type four-row tapered roller bearing of this micron order: similar to general four-row tapered roller bearing on project organization, institute's difference; Two bearing outer ring ends are adopted special containment member and contacts with bearing inner race, and afterwards the overall breadth dimension margin of tolerance is at ± 0.20mm in whole bearing assembling, and its precision is far above the standard of general operation roll of mill four-row tapered roller bearing class4.
Existing dismounting technology: use traditional artificial hammering technological operation mode, the bearing column major order is taken out (dismounting) or pack into (assembling) successively in bearing block.The four-row tapered roller bearing that relatively is fit to the non-tight type structure of general precision.
The obstacle that prior art dismounting DCR workroll bearing runs into: because the radial bore of the equipped bearing of DCR working roll bearing block is the concave step shape; Therefore, can't take out in the lump by the containment member that the bearing outer ring of bearing block bottom and end, outer ring is special, must the trip shaft bearing, adopt the mode of artificial hammering could be from the concave step bottom with containment member and bearing outer ring taking-up.Equally, when packing into bearing in the bearing block, must adopt successively that the end, outer ring is special containment member of the mode of artificial hammering and bearing outer ring to pack into bottom the bearing block concave step earlier, the column major order bearing of packing into successively again.
The problem that prior art dismounting DCR workroll bearing produces; Because traditional artificial hammering dismounting process mode, the possibility that it is made a fault at random in operating process are difficult to avoid, cause the distortion and the damage of seal, the spare part abnormal waste increases, and operating efficiency is very low, can't guarantee the up to standard of this micron order bearing integral assembly precision.
The tackling key problem thinking that existing dismounting technology has problems: should guarantee the requisite quality of bearing integral assembly precision, can not in disassembly process, damage seal again, therefore, must improve existing dismounting process mode, just can guarantee assembly quality, reduce the spare part abnormal waste, improve operating efficiency.
Summary of the invention: the purpose of this utility model is to provide a kind of lifting function and large-scale roller bearing integral remover-and-replacer simple in structure, easy to operate, time saving and energy saving, with low cost of having concurrently, can effectively realize closed type four-row tapered roller bearing integral disassembly, assembly.Mainly solve the fragile and low technical problem of operating efficiency of seal that artificial dismounting exists.
The technical solution of the utility model is: a kind of large-scale roller bearing integral disassembly, assembly anchor clamps, include double threaded screw, base, positioning pressuring plate, movable hook plate, suspension ring, positioning pressuring plate and base are screwed in double threaded screw two ends up and down respectively, the movable hook plate of two symmetries is installed on base, have sliding tray on the movable hook plate, fix by bolt and base, the suspension ring that have inner bolt hole are screwed in the double threaded screw upper end, and it is I-shaped that anchor clamps are.Be provided with the circular arc boss that is used for location bearing inner ring hole wall with the centre bore symmetry at both ends, positioning pressuring plate bottom surface, movable hook plate inner face center have one with the semicircle groove of screw diameter coupling, there is an outside arc convex outer face of movable hook plate.
The beneficial effects of the utility model are: after using this clamping utensil, the target that need not the trip shaft bearing can realize closed type four-row tapered roller bearing integral disassembly, assembly, guarantee the requisite quality of bearing integral assembly precision, prevented that seal damages in the disassembly process, reduce the abnormal waste of spare part, improved operating efficiency.
Description of drawings:
Fig. 1 is the utility model structural representation front view
Fig. 2 is the utility model structural representation vertical view
Fig. 3 is the utility model implementation result figure
Among the figure: 01-positioning pressuring plate, 02-double threaded screw, the movable hook plate of 03-, 04-base, the 05-collar, 06-suspension ring, 07-bolt, 08-pivot bolt, 09-circular arc boss.
The specific embodiment: with reference to Fig. 1,2, a kind of large-scale roller bearing integral disassembly, assembly anchor clamps, include double threaded screw 02, base 04, positioning pressuring plate 01, movable hook plate 03, suspension ring 06, positioning pressuring plate 01 and base 04 are screwed in double threaded screw respectively, and about in the of 02 two ends, the movable hook plate 03 of two symmetries is installed on base, have two parallel and centrosymmetric sliding trays on the movable hook plate 03, can be along moving between bolt 07 realization and the base, the back, location is fixed by bolt 07 and base, on movable hook plate 03, pivot bolt 08 is installed, be convenient to stirring of movable hook plate 03, realize regaining and releasing.The suspension ring 06 that have inner bolt hole are screwed in the double threaded screw upper end, are provided with the collar 05 between positioning pressuring plate 01 and the suspension ring 06, and the collar 05 is socketed on the double threaded screw 02, and it is I-shaped that anchor clamps are.Be provided with the circular arc boss 09 that is used for location bearing inner ring hole wall with the centre bore symmetry at both ends, positioning pressuring plate 01 bottom surface, movable hook plate inner face center have one with the semicircle groove of screw diameter coupling, there is an outside arc convex outer face of movable hook plate.
With reference to Fig. 3, during use, by in advance the movable hook plate 03 of clamp body bottom inwardly being retracted to certain position; Make the inner ring aperture that the clamp body bottom can be by the whole bearing after assembling and movable hook plate face is exceeded to bearing one side end face, extrapolated more movable hook plate 03; Making movable hook plate circular arc working bank bottom surface and end face arc convex shape is semi arch work top contact bearing inner ring axial end and the special containment member end face in bearing outer ring end simultaneously, plays the virtual value of extrapolated displacement.The inner bolt hole suspension ring 06 on the concrete top of rotating clamp by the transfer function of spiral power and pitch, with the collar 05, positioning pressuring plate 01 and the clamping of whole bearing both sides end face, realize that closed type four-row tapered roller bearing integral disassembly, assembly has the function of lifting concurrently.
Therefore, this clamp structure can guarantee that containment member that the bearing outer ring end is special and whole bearing together dismantle or assemble, avoid the dismounting of containment member to damage, guaranteed the quality of micron order bearing integral assembly precision, realized this utility model technical purpose.
Claims (5)
1, a kind of large-scale roller bearing integral disassembly, assembly anchor clamps, it is characterized in that, include double threaded screw, base, positioning pressuring plate, movable hook plate, suspension ring, positioning pressuring plate and base are screwed in double threaded screw two ends up and down respectively, the movable hook plate of two symmetries is installed on base, has sliding tray on the movable hook plate, fix by bolt and base, the suspension ring that have inner bolt hole are screwed in the double threaded screw upper end, and it is I-shaped that anchor clamps are.
2, large-scale roller bearing integral disassembly, assembly anchor clamps according to claim 1 is characterized in that, are provided with the circular arc boss that is used for location bearing inner ring hole wall with the centre bore symmetry at both ends, positioning pressuring plate bottom surface.
3, large-scale roller bearing integral disassembly, assembly anchor clamps according to claim 1 is characterized in that, movable hook plate inner face center have one with the semicircle groove of screw diameter coupling, there is an outside arc convex outer face of movable hook plate.
4, large-scale roller bearing integral disassembly, assembly anchor clamps according to claim 1 is characterized in that, are provided with the collar between positioning pressuring plate and the suspension ring.
5, large-scale roller bearing integral disassembly, assembly anchor clamps according to claim 1 is characterized in that, are equipped with on movable hook plate and are convenient to the pivot bolt that movable hook plate is stirred.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043320 CN2925760Y (en) | 2006-06-28 | 2006-06-28 | Large roller-bearing integrated disattachable clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620043320 CN2925760Y (en) | 2006-06-28 | 2006-06-28 | Large roller-bearing integrated disattachable clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2925760Y true CN2925760Y (en) | 2007-07-25 |
Family
ID=38279994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620043320 Expired - Fee Related CN2925760Y (en) | 2006-06-28 | 2006-06-28 | Large roller-bearing integrated disattachable clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2925760Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091901A (en) * | 2010-12-08 | 2011-06-15 | 西北轴承股份有限公司 | Adjustable electric riveting fixture for extra-large-size bearing retainer |
| CN102430992A (en) * | 2011-08-12 | 2012-05-02 | 成都科盛石油科技有限公司 | Fixture for fixing workpiece |
| CN103042501A (en) * | 2012-12-24 | 2013-04-17 | 石家庄常山纺织股份有限公司 | Bearing demounting device |
| CN103084783A (en) * | 2013-01-22 | 2013-05-08 | 国电联合动力技术有限公司 | Disassembling method of wind turbine generator system main bearing with shaft sleeve |
| CN103495954A (en) * | 2013-09-30 | 2014-01-08 | 西安航空动力控制科技有限公司 | Assembling tool and assembling method for thin film assembly |
| CN103612241A (en) * | 2013-11-26 | 2014-03-05 | 武桥重工集团股份有限公司 | Insertion-pulling device of large hinge shaft |
| CN106219398A (en) * | 2016-08-30 | 2016-12-14 | 上海宝田新型建材有限公司 | A kind of taper roll bearing integral hoisting grip device |
| CN106676616A (en) * | 2016-12-15 | 2017-05-17 | 哈尔滨飞机工业集团有限责任公司 | Clamp for surface treatment of flat aluminum alloy part |
| CN107457737A (en) * | 2017-03-23 | 2017-12-12 | 河钢股份有限公司邯郸分公司 | A kind of rolling mill bearing dismantling device |
| CN108621056A (en) * | 2018-06-20 | 2018-10-09 | 中电科芜湖钻石飞机制造有限公司 | Aircraft pipe fitting joint installs auxiliary mould |
| CN114952702A (en) * | 2021-02-19 | 2022-08-30 | 中国航发商用航空发动机有限责任公司 | Tool and method for disassembling and assembling parts with large tightness in inner cavity |
-
2006
- 2006-06-28 CN CN 200620043320 patent/CN2925760Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091901B (en) * | 2010-12-08 | 2013-08-14 | 西北轴承股份有限公司 | Adjustable electric riveting fixture for extra-large-size bearing retainer |
| CN102091901A (en) * | 2010-12-08 | 2011-06-15 | 西北轴承股份有限公司 | Adjustable electric riveting fixture for extra-large-size bearing retainer |
| CN102430992A (en) * | 2011-08-12 | 2012-05-02 | 成都科盛石油科技有限公司 | Fixture for fixing workpiece |
| CN103042501A (en) * | 2012-12-24 | 2013-04-17 | 石家庄常山纺织股份有限公司 | Bearing demounting device |
| CN103084783A (en) * | 2013-01-22 | 2013-05-08 | 国电联合动力技术有限公司 | Disassembling method of wind turbine generator system main bearing with shaft sleeve |
| CN103084783B (en) * | 2013-01-22 | 2015-07-15 | 国电联合动力技术有限公司 | Disassembling method of wind turbine generator system main bearing with shaft sleeve |
| CN103495954B (en) * | 2013-09-30 | 2015-08-19 | 西安航空动力控制科技有限公司 | The assembly tooling of film assembly and assembly method |
| CN103495954A (en) * | 2013-09-30 | 2014-01-08 | 西安航空动力控制科技有限公司 | Assembling tool and assembling method for thin film assembly |
| CN103612241A (en) * | 2013-11-26 | 2014-03-05 | 武桥重工集团股份有限公司 | Insertion-pulling device of large hinge shaft |
| CN106219398A (en) * | 2016-08-30 | 2016-12-14 | 上海宝田新型建材有限公司 | A kind of taper roll bearing integral hoisting grip device |
| CN106676616A (en) * | 2016-12-15 | 2017-05-17 | 哈尔滨飞机工业集团有限责任公司 | Clamp for surface treatment of flat aluminum alloy part |
| CN107457737A (en) * | 2017-03-23 | 2017-12-12 | 河钢股份有限公司邯郸分公司 | A kind of rolling mill bearing dismantling device |
| CN108621056A (en) * | 2018-06-20 | 2018-10-09 | 中电科芜湖钻石飞机制造有限公司 | Aircraft pipe fitting joint installs auxiliary mould |
| CN114952702A (en) * | 2021-02-19 | 2022-08-30 | 中国航发商用航空发动机有限责任公司 | Tool and method for disassembling and assembling parts with large tightness in inner cavity |
| CN114952702B (en) * | 2021-02-19 | 2023-12-22 | 中国航发商用航空发动机有限责任公司 | Inner cavity high-tightness part dismounting tool and inner cavity high-tightness part dismounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20150628 |
|
| EXPY | Termination of patent right or utility model |