CN101879712A - Bearing dismounting device - Google Patents
Bearing dismounting device Download PDFInfo
- Publication number
- CN101879712A CN101879712A CN2009101140520A CN200910114052A CN101879712A CN 101879712 A CN101879712 A CN 101879712A CN 2009101140520 A CN2009101140520 A CN 2009101140520A CN 200910114052 A CN200910114052 A CN 200910114052A CN 101879712 A CN101879712 A CN 101879712A
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- bearing
- thimble
- dish
- disassembling device
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Abstract
The invention discloses a bearing dismounting device, which comprises a fixed component, a thimble component capable of rotating up and down, and a tray component arranged between the shaft neck of a spindle and a bearing. The fixed component is respectively connected with the thimble component and the tray component so as to form a cavity for dismounting the bearing. The bearing dismounting device ensures no damage to the bearing and no influence on the accuracy of the spindle in the process of dismounting the bearing and improves the maintenance quality of mechanical components of the spindle.
Description
Technical field
The present invention relates to a kind of bearing disassembling device, particularly a kind of provision for disengagement of cylinder roller bearing.
Background technology
At present, higher, the stable main shaft bearing of machine tool preferably of most of required precision all adopts single-row or Biserial cylindrical roller bearing.Therefore, in machine tool chief axis precision maintenance at ordinary times, the dismounting of main shaft bearing is unavoidable.Because rotation roller single-row or Biserial cylindrical roller bearing is to be fixed on the inner ring by retainer, with bearing inner race structure in aggregates, with bearing outer ring be split.Usually, the main shaft spindle nose is bigger than bearing inner race, can't use method or other method of directly knocking bearing inner race that bearing is dismantled; In addition, the spindle nose rear end face is that the axle journal end face is very little to the distance of bearing inner race, generally is useful on two split type pads that bearing is adjusted in the middle of it.It is at present, any that to draw the horse instrument to dismantle this class bearing all powerless.What often use is direct hammering method, and the bearing that is disassembled all is that roller is deviate from, the retainer distortion, causes bearing to scrap and can not reuse, even cause trunnion to damage when dismounting.Therefore, not only cause the main shaft precise decreasing, maintenance cost is increased substantially.
Summary of the invention
The objective of the invention is to disclose a kind of bearing disassembling device, cause bearing to scrap even damage the problem of main shaft easily to solve the dismounting of prior art middle (center) bearing.
In order to realize above purpose, the invention discloses a kind of bearing disassembling device, comprise fixation kit, up and down turn the thimble assembly, can be arranged at the pallet component between main shaft axle journal and the bearing, fixation kit constitutes the cavity of bearing removal by linking to each other with pallet component with the thimble assembly respectively.
Preferably, the thimble assembly comprises bearing outer seat, needle roller and cylindrical roller thrust combination bearing, bearing inner seat and the borded pile of turn up and down, one end of borded pile links to each other with bearing outer seat by the cavity that inserts the fixation kit formation, and bearing outer seat links to each other with bearing inner seat with the cylindrical roller thrust combination bearing by needle roller.
Preferably, pallet component comprises left semicircle dish, the right semi-circle dish of rotatable closure, is provided with the through hole that is used for by the main shaft axle journal at the left semicircle dish of closure and the central authorities of right semi-circle dish.
Preferably, fixation kit comprises connecting rod, the holder that fuses mutually, and holder links to each other with pallet component by connecting rod, and borded pile is arranged on the holder.
Preferably, bearing inner seat is provided with the stair-stepping ladder hole of up/down perforation, be provided with counterbore plug screw, thimble spring in the ladder hole up and down successively and have the interior thimble of certain elastic force, the thimble spring clip is loaded between counterbore plug screw and the interior thimble, the upper end of interior thimble is upper coarse and lower fine stepped, and interior thimble is connected to the ladder junction of ladder hole.
Preferably, the junction at the two ends of left semicircle dish and right semi-circle dish is respectively equipped with suitable protuberance and recess, left semicircle dish and right semi-circle dish are connected to form a disk integral body by protuberance and recess adaptive, a junction is provided with rotation pin and jump ring therein, left semicircle dish and right semi-circle dish can outwards rotate along the rotation pin, and another junction is provided with the latch that is used for fixing therein.
Preferably, the upper end of stating bearing inner seat is provided with the adjustment nut that runs through described ladder hole, is provided with the locking pin nail adaptive with it in the radial edges of adjusting nut.
Bearing disassembling device disclosed by the invention in the unloading process to bearing, guarantees there are not damage in bearing and main shaft precision, has improved the repair quality of main shaft component assembly.
Description of drawings
Fig. 1 is the structural representation of a kind of bearing disassembling device of the present invention;
Fig. 2 is the structure vertical view of a kind of bearing disassembling device pallet component of the present invention;
Fig. 3 is that figure cuts open in the structure master office of looking of a kind of bearing disassembling device pallet component of the present invention;
Fig. 4 is that figure cuts open in the structure backsight office of a kind of bearing disassembling device pallet component of the present invention;
Fig. 5 is the structural representation of pallet component left semicircle dish of the present invention;
Fig. 6 be pallet component left semicircle dish A of the present invention to complete section figure;
Fig. 7 be pallet component left semicircle dish B of the present invention to complete section figure;
Fig. 8 is the structural representation of pallet component right semi-circle dish of the present invention;
Fig. 9 be pallet component right semi-circle dish C of the present invention to complete section figure;
Figure 10 be pallet component right semi-circle dish D of the present invention to complete section figure;
Figure 11 is the structure vertical view of holder of the present invention;
Figure 12 is the front view that the present invention rotates pin;
Figure 13 is the front view of latch of the present invention;
Figure 14 structural representation that to be a kind of bearing disassembling device of the present invention be connected with main shaft with bearing.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
The 1-pallet component, 2-holder holding nut, 3-holder, 4-holder locking nut, the 5-connecting rod, the 6-borded pile, the 7-bearing outer seat, 8-adjusts nut, 9-counterbore plug screw, 10-thimble stage clip, 11-needle roller and cylindrical roller thrust combination bearing, 12-bearing inner seat, thimble in the 13-, 14-thimble assembly locking nut, 15-bearing, 16-main shaft, 17-locking pin nail, 18-left semicircle dish, 19-right semi-circle dish, 20-rotates pin, the 21-jump ring, 22-latch, the outer chamfering transition arc of 23-.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the structural representation of a kind of bearing disassembling device of the present invention, as shown in Figure 1, this bearing disassembling device mainly comprises thimble assembly, pallet component 1, three parts of fixation kit, pallet component 1 can be connected in the main shaft spindle nose and the spacing between the bearing of bearing, bearing can be encapsulated in the cavity that above-mentioned three assemblies surround, the main shaft spindle nose is withstood in the downward turn of thimble assembly of turn up and down.
Fixation kit comprises a holder 3 and at least two connecting rods 5 (present embodiment is two), the upper end of connecting rod 5 links to each other with holder 3 with holder locking nut 4 by holder holding nut 2, the lower end of connecting rod 5 is threaded with the radial edges of pallet component 1, the central authorities of holder 3 are provided with through hole, as shown in figure 11.
The thimble assembly comprises bearing outer seat 7, needle roller and cylindrical roller thrust combination bearing 11, bearing inner seat 12 and borded pile 6, be provided with internal thread in the through hole that holder 3 central authorities are provided with, the relevant position of borded pile 6 is provided with the external screw thread adaptive with this internal thread, and borded pile 6 is located on the holder 3 by the adaptive of internal and external threads; In the cavity that the lower end of borded pile 6, above-mentioned three assemblies surround, be provided with bearing outer seat 7, the upper end of bearing outer seat 7 links to each other with borded pile 6 by thimble assembly locking nut 14, and the lower end of bearing outer seat 7 links to each other with bearing inner seat 12 with cylindrical roller thrust combination bearing 11 by needle roller.
It is stepped that bearing inner seat 12 cylindrical epimeres are set to axial cylindrical, up-thin-low-thick, thin segment cylindrical and needle roller and cylindrical roller thrust combination bearing 11 endoporus microgaps are adaptive, fit in stepped step and needle roller and cylindrical roller thrust combination bearing 11 plane of getting out of a predicament or an embarrassing situation, bearing inner seat 12 cylindrical hypomeres are set to tapering, and cone angle meets a class centre bore angle or hole class chamfer angle; Bearing inner seat 12 is provided with the ladder hole of up/down perforation, for axial cylindrical stepped, epimere is a macropore, hypomere is an aperture, be provided with counterbore plug screw 9, thimble spring 10, interior thimble 13 in the ladder hole up and down successively, upper end with interior thimble 13 of certain elastic force is upper coarse and lower fine stepped, owing to be installed in the elastic force effect of the thimble spring 10 between counterbore plug screw 9 and the interior thimble 13, interior thimble 13 is connected to the ladder place of ladder hole, the lower end of interior thimble 13 is conical, and cone angle meets a class centre bore angle; Counterbore plug screw 9 is fixing by screw thread and bearing inner seat 12, is provided with the adjustment nut 8 that runs through bearing inner seat 12 in the top of bearing inner seat 12, the upper end of counterbore plug screw 9, is provided with the locking pin nail 17 adaptive with it in the radial edges of adjusting nut 8.
As Fig. 2-shown in Figure 10, pallet component 1 comprises left semicircle dish 18, the right semi-circle dish 19 that is semicircle shape, junction at the two ends of left semicircle dish 18 and right semi-circle dish 19 is respectively equipped with suitable protuberance and recess, left semicircle dish 18 and right semi-circle dish 19 are connected to form a disk integral body by described protuberance and recess adaptive, central authorities in this disk integral body are provided with through hole, this through hole periphery is stepped setting, also is provided with ring-shaped step between this stepped setting and disk border.
In two junctions of raised part and the adaptive formation of recess, one of them is provided with through hole, on this through hole, rotate pin 20 from bottom to top, in the top jump ring annular groove of rotation pin 20, jump ring 21 is installed, jump ring 21 is used for axial restraint rotation pin 20, another one is provided with latch 22, be provided with in the termination of raised part and recess can wind with the rotation pin 20 be the outer chamfering transition arc 23 of center to inner rotary.
Shown in Figure 12,13, because the junction of left semicircle dish 18 and right semi-circle dish 19 is provided with rotation pin 20, left semicircle dish 18 and right semi-circle dish 19 can be along rotation pin 20 to inner rotary, when the protuberance on left semicircle dish 18 and the right semi-circle dish 19 with recess is adaptive be connected after, plug latch 22, formed pallet component 1; Pallet component 1 is after unpluging latch 22, outward winding left semicircle dish and right semi-circle dish just can be put among the spacing of bearing 15 and main shaft axle journal end face on the main shaft 16, close left semicircle dish and right semi-circle dish, plug latch 22, the step that the two halves disk is formed just drops on the inner ring axial edge of bearing, and ring-shaped step drops on the outer of bearing roller and places.
As shown in figure 14, the course of work of bearing disassembling device of the present invention is once described:
1, with the left and right sides semi-disc of pallet component around the outside Unscrew of rotation pin, put into the bearing that needs dismounting inner ring end face near the main shaft spindle nose, plug latch, whole bearing just is fully enclosed in the pallet component;
2, install borded pile, holder two ends through hole is inserted in connecting rod, load onto the holder holding nut, length according to rear-end of spindle, regulate the holder locking nut, the interior thimble needle point of thimble assembly is pushed up in the rear-end of spindle centre bore, positive hour hands rotating screw post;
3, bearing outer seat is along with borded pile is done positive hour hands rotation, and bearing inner seat and interior thimble are non-rotary under the effect of needle roller and cylindrical roller thrust combination bearing, continuation rotation along with borded pile, the interior thimble compression thimble spring of bearing inner seat, interior thimble shrinks in the hole gradually, till the bottom surface of bearing inner seat was pressed onto on the main shaft tail end plane, the bearing inner race front end face that pallet component is held began to be subjected to pulling force, tears open until bearing and takes off axle journal.
Bearing disassembling device of the present invention fully takes into account main shaft in maintenance detection or repair process, and its centre bore and axle journal are the benchmark of main shaft, and being provided with of pallet component has defencive function to axle journal; It is for spindle hole being played a protective role the consistent effect of playing stable position with the centre bore angle of angle design one-tenth of interior thimble needle point that the interior thimble of bearing inner seat shrinks in the hole; Bearing disassembling device of the present invention is arranged to the bottom surface cone angle of bearing inner seat identically with the centre bore angle can guarantee when the preceding end bearing that rear-end of spindle is had through hole is dismantled; the bottom surface cone angle of bearing inner seat directly cooperates with the through hole of rear-end of spindle implements dismounting, plays the effect of protection and location.
More than disclosed only be specific embodiments of the invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (7)
1. bearing disassembling device, it is characterized in that, comprise fixation kit, up and down turn the thimble assembly, can be arranged at the pallet component between main shaft axle journal and the bearing, described fixation kit constitutes the cavity of bearing removal by linking to each other with pallet component with described thimble assembly respectively.
2. bearing disassembling device according to claim 1, it is characterized in that, described thimble assembly comprises bearing outer seat, needle roller and cylindrical roller thrust combination bearing, bearing inner seat and the borded pile of turn up and down, one end of described borded pile links to each other with described bearing outer seat by the described cavity that inserts described fixation kit formation, and described bearing outer seat links to each other with described bearing inner seat with the cylindrical roller thrust combination bearing by described needle roller.
3. bearing disassembling device according to claim 1 and 2, it is characterized in that, described pallet component comprises left semicircle dish, the right semi-circle dish of rotatable closure, is provided with the through hole that is used for by described main shaft axle journal at the left semicircle dish of described closure and the central authorities of right semi-circle dish closure.
4. bearing disassembling device according to claim 2, it is characterized in that, described fixation kit comprises connecting rod, the holder that fuses mutually, and described holder links to each other with described pallet component by described connecting rod, and described borded pile is arranged on the described holder.
5. according to claim 2 or 4 described bearing disassembling devices, it is characterized in that, described bearing inner seat is provided with the stair-stepping ladder hole of up/down perforation, be provided with counterbore plug screw, thimble spring in the described ladder hole up and down successively and have the interior thimble of certain elastic force, described thimble spring clip is loaded between described counterbore plug screw and the interior thimble, the upper end of thimble is upper coarse and lower fine stepped in described, described in thimble be connected to the ladder junction of described ladder hole.
6. bearing disassembling device according to claim 3, it is characterized in that, the junction at the two ends of described left semicircle dish and right semi-circle dish is respectively equipped with suitable protuberance and recess, described left semicircle dish and right semi-circle dish are connected to form a disk integral body by described protuberance and recess adaptive, a described junction is provided with rotation pin and jump ring therein, described left semicircle dish and right semi-circle dish can outwards rotate along described rotation pin, and another described junction is provided with the latch that is used for fixing therein.
7. bearing disassembling device according to claim 5 is characterized in that, the upper end of described bearing inner seat is provided with the adjustment nut that runs through described ladder hole, is provided with the locking pin nail adaptive with it in the radial edges of described adjustment nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101140520A CN101879712B (en) | 2009-05-08 | 2009-05-08 | Bearing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101140520A CN101879712B (en) | 2009-05-08 | 2009-05-08 | Bearing dismounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101879712A true CN101879712A (en) | 2010-11-10 |
| CN101879712B CN101879712B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101140520A Active CN101879712B (en) | 2009-05-08 | 2009-05-08 | Bearing dismounting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101879712B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019548A (en) * | 2010-11-24 | 2011-04-20 | 山东华力电机集团股份有限公司 | Bearing-disassembling composite set |
| CN102689286A (en) * | 2012-05-31 | 2012-09-26 | 东莞光群雷射科技有限公司 | PR wheel bearing dismounting clamp |
| CN102981016A (en) * | 2012-12-14 | 2013-03-20 | 上海出入境检验检疫局机电产品检测技术中心 | Processing system and method for detecting rotating speed of rotating object |
| CN103427368A (en) * | 2013-08-16 | 2013-12-04 | 国家电网公司 | Special spanner for spacer rod |
| CN103567953A (en) * | 2012-08-09 | 2014-02-12 | 大亚科技股份有限公司 | Puller |
| CN104308800A (en) * | 2014-10-21 | 2015-01-28 | 苏州道森钻采设备股份有限公司 | Rod pressing tooling for assembling valves |
| CN105171380A (en) * | 2015-09-21 | 2015-12-23 | 天津港联盟国际集装箱码头有限公司 | Sliding wheel bearing dismounting device |
| CN105252486A (en) * | 2015-11-24 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Puller disassembly tool |
| CN107192614A (en) * | 2017-07-11 | 2017-09-22 | 张家港孚冈汽车部件有限公司 | Handle card base endurance test frock |
| CN109352587A (en) * | 2018-12-07 | 2019-02-19 | 中车株洲电机有限公司 | A kind of bearing drawing disassembling fixture |
| CN109748057A (en) * | 2019-03-22 | 2019-05-14 | 广西玉柴机器股份有限公司 | A kind of engine cylinder covered tray adapting to different types of machines |
| CN109944922A (en) * | 2019-05-06 | 2019-06-28 | 广西玉柴机器股份有限公司 | A kind of hot jacket bolt matable bent axle power output precision |
| CN111843916A (en) * | 2020-06-19 | 2020-10-30 | 日立电梯（广州）自动扶梯有限公司 | Dismounting device, chain wheel dismounting system and chain wheel dismounting method |
| CN111946492A (en) * | 2020-07-31 | 2020-11-17 | 西安航天动力研究所 | Inner bottom liquid flow test separation device and separation method |
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| CN86208383U (en) * | 1986-11-23 | 1988-02-24 | 陈伟 | Axial-locating live centre without centre-hole |
| DE9216923U1 (en) * | 1992-12-15 | 1993-07-01 | Johann Peffeköver GmbH & Co. KG, Werkzeugfabrik, 5253 Lindlar | Puller for brake slack adjuster |
| DE202005018266U1 (en) * | 2005-11-23 | 2006-01-26 | Klann-Spezial-Werkzeugbau-Gmbh | Device for pressing in a wheel bearing seated on a wheel hub |
| CN201079945Y (en) * | 2007-08-01 | 2008-07-02 | 比亚迪股份有限公司 | Puller |
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2009
- 2009-05-08 CN CN2009101140520A patent/CN101879712B/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019548A (en) * | 2010-11-24 | 2011-04-20 | 山东华力电机集团股份有限公司 | Bearing-disassembling composite set |
| CN102689286A (en) * | 2012-05-31 | 2012-09-26 | 东莞光群雷射科技有限公司 | PR wheel bearing dismounting clamp |
| CN103567953A (en) * | 2012-08-09 | 2014-02-12 | 大亚科技股份有限公司 | Puller |
| CN102981016A (en) * | 2012-12-14 | 2013-03-20 | 上海出入境检验检疫局机电产品检测技术中心 | Processing system and method for detecting rotating speed of rotating object |
| CN103427368A (en) * | 2013-08-16 | 2013-12-04 | 国家电网公司 | Special spanner for spacer rod |
| CN104308800A (en) * | 2014-10-21 | 2015-01-28 | 苏州道森钻采设备股份有限公司 | Rod pressing tooling for assembling valves |
| CN105171380A (en) * | 2015-09-21 | 2015-12-23 | 天津港联盟国际集装箱码头有限公司 | Sliding wheel bearing dismounting device |
| CN105252486A (en) * | 2015-11-24 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Puller disassembly tool |
| CN107192614A (en) * | 2017-07-11 | 2017-09-22 | 张家港孚冈汽车部件有限公司 | Handle card base endurance test frock |
| CN109352587A (en) * | 2018-12-07 | 2019-02-19 | 中车株洲电机有限公司 | A kind of bearing drawing disassembling fixture |
| CN109748057A (en) * | 2019-03-22 | 2019-05-14 | 广西玉柴机器股份有限公司 | A kind of engine cylinder covered tray adapting to different types of machines |
| CN109748057B (en) * | 2019-03-22 | 2024-02-02 | 广西玉柴机器股份有限公司 | Engine cylinder cover tray suitable for various types |
| CN109944922A (en) * | 2019-05-06 | 2019-06-28 | 广西玉柴机器股份有限公司 | A kind of hot jacket bolt matable bent axle power output precision |
| CN109944922B (en) * | 2019-05-06 | 2024-03-26 | 广西玉柴机器股份有限公司 | Hot sleeve bolt fastening type crankshaft power output assembly |
| CN111843916A (en) * | 2020-06-19 | 2020-10-30 | 日立电梯（广州）自动扶梯有限公司 | Dismounting device, chain wheel dismounting system and chain wheel dismounting method |
| CN111946492A (en) * | 2020-07-31 | 2020-11-17 | 西安航天动力研究所 | Inner bottom liquid flow test separation device and separation method |
| CN111946492B (en) * | 2020-07-31 | 2021-07-20 | 西安航天动力研究所 | Inner bottom liquid flow test separation device and separation method |
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|---|---|
| CN101879712B (en) | 2012-07-04 |
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