CN103506829A - Method for rapidly splitting seal cover on double-sealed double-row tapered roller bearing - Google Patents
Method for rapidly splitting seal cover on double-sealed double-row tapered roller bearing Download PDFInfo
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- CN103506829A CN103506829A CN201310448100.6A CN201310448100A CN103506829A CN 103506829 A CN103506829 A CN 103506829A CN 201310448100 A CN201310448100 A CN 201310448100A CN 103506829 A CN103506829 A CN 103506829A
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- seal closure
- oblique crank
- fan
- garden
- end cap
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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
- B25B27/023—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 using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a method for rapidly splitting a seal cover on a double-sealed double-row tapered roller bearing and relates to a cover splitting and pulling device. The cover splitting and pulling device comprises an end cover (1), a pressing plate (2), stress application plates (3), a round bottom plate (4) and a T-shaped shaft (5). The two fan-shaped stress application plates are horizontally placed in a large step of the seal cover, and the end cover is horizontally placed on the end face of an outer ring. Thick nuts are screwed down to make the two fan-shaped stress application plates enable the seal cover to be completely disengaged from the limiting and fastening of the outer ring under the rising and guiding of the T-shaped shaft, so that the seal cover is split rapidly, in the process of splitting, no damage is generated inside the double-sealed double-row tapered roller bearing, the structure and the shape of the seal cover can not be damaged, and the double-sealed double-row tapered roller bearing after the splitting can reflect abrasion conditions most really and can not affect the abrasion analyzing. The cover splitting and pulling device is simple in structure, convenient to manufacture and rapid to assemble, saves labor in the use process and relieves labor intensity of a worker.
Description
technical field
The invention belongs to bearing disassemble technique field, the method for seal closure on the sealed double-row taper roll bearing of especially a kind of quick fractionation two sides.
Background technology
Two sides sealed double-row taper roll bearing is for high-speed railway, the large end face of this bearing is fitted with seal closure and other end is fitted with dust cover, described large end face and described other end refer to the both ends of the surface of inner ring, seal closure is called large step except having the right angle end of other shape Wai Yu outer ring contact, described in inner ring, large end face is reserved with gap and passes to the described large step of seal closure, reserved clearance height is given as H, and the diameter of described large step is given as 2R.
After two sides sealed double-row taper roll bearing operation a period of time, need to pull down seal closure to check wearing and tearing or the lubrication circumstances of this bearing inside from described large end face, judging whether needs to change or supplemental lubrication fat.
The seal closure of rolling stock section's fractionation two sides sealed double-row taper roll bearing pulls out cover machine by special use and implements, and other occasion splits by special crowbar.
The method of utilizing special crowbar to split seal closure on the sealed double-row taper roll bearing of two sides is shown in Fig. 1, the thick stick tail of special crowbar inserts and reaches described large step from the preset clearance of large end face described in inner ring, the thickness of described thick stick tail≤described H, the disputer that the described large end face of take is pulled special crowbar left as fulcrum makes its thick stick tail perk cause described large step by the jack-up that makes progress, by converting the different perks orientation of special crowbar, get final product complete fractionation seal closure, but described fulcrum can produce bump injury to described large end face, improper use is internal raceway also, roller and outer raceway cause wound, the wearing and tearing of bump injury or wound and bearing are to make a distinction by naked eyes, can affect the normal wear analysis of two sides sealed double-row taper roll bearing.
Summary of the invention
For solving the existing problem of special crowbar, the invention provides the method for seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides, the method is used simple, safety, inside at split process Zhong Dui two sides sealed double-row taper roll bearing does not produce any damage, can not destroy the planform of seal closure, bearing after splitting fast can reflect its original case the most really, can not affect the abrasion analysis of bearing.
For achieving the above object, the present invention adopts following technical scheme:
The method of seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides, the large end face of two sides sealed double-row taper roll bearing is fitted with seal closure and other end is fitted with dust cover, described large end face and described other end refer to the both ends of the surface of inner ring, seal closure is called large step except having the right angle end of other shape Wai Yu outer ring contact, the reserved described large step of misunderstanding each other and passing to seal closure of large end face described in inner ring, reserved clearance height is given as H, and the diameter of described large step is given as 2R; Split fast to relate to split and pull out closure assembly, described fractionation is pulled out closure assembly and is comprised end cap, pressing plate, gusset, garden base plate and T oblique crank Z, and feature of the present invention is:
Garden base plate is connected and fixed on the platform of the garden of T oblique crank Z by several soket head cap screws and together puts into inner ring endoporus;
Two fan-shaped gussets are lain in the reserved gap of large end face described in inner ring by symmetric position and extend to described large step below, upwards mention T oblique crank Z and successively pressing plate and two fan-shaped gussets be connected and fixed on the base plate of garden by several screws, or upwards mention T oblique crank Z and directly two fan-shaped gussets be connected and fixed on the base plate of garden by several screws;
By the support end of end cap, be that inner groovy is held level with both hands on the cycle surface that is placed on described large end face end, after being passed to end cap central bore, T oblique crank Z is equipped with upper high nut, tightening described high nut makes the rising of T oblique crank Z cause obtaining pretension between end cap and gusset, now end cap acts on downwards on cycle surface and two fan-shaped gussets upwards act on the described large step of seal closure, the downward active force of end cap equals the active force that two fan-shaped gussets make progress and has formed described pretension, then continuing to tighten described high nut makes two fan-shaped gussets under the lifting lead of T oblique crank Z, make seal closure depart from the spacing fastening of outer ring completely and be split fast.
The external diameter of garden base plate and the diameter of bore of inner ring match, the central through hole internal diameter of garden base plate mates with the external diameter of T oblique crank Z, uniform the second circle internal thread hole that is processed with the first lap internal thread hole connecting for described several soket head cap screws and supplies described screw attachment on the base plate of garden, the centre-to-centre spacing of the second circle internal thread hole described in the centre-to-centre spacing < of described first lap internal thread hole, described first lap internal thread hole is for the T oblique crank Z corresponding with the circle stepped hole configuring on the platform of T oblique crank Z garden that is connected and fixed, described the second circle internal thread hole be used for being connected and fixed two fan-shaped gussets and pressing plate.
Platform external diameter < garden, the garden base plate external diameter of T oblique crank Z, on the platform of described garden, dispose a circle stepped hole, the centre-to-centre spacing of a described circle stepped hole equals the centre-to-centre spacing of described first lap internal thread hole, the shaft rod end threading of T oblique crank Z, described externally threaded nominal diameter mates with the nominal diameter of described high nut.
Fan-shaped gusset consists of outer impeller and interior impeller, the radius of curvature of described outer impeller is mated with described R, R described in the action < of described outer impeller, 2R described in the chord length < of described outer impeller, the thickness of described outer impeller≤described H, the radius of described interior impeller mates with the interior pore radius of inner ring, the thickness of described interior impeller equals described H+10mm, on described interior impeller, configure side by side several semicircle slotted holes, the width of described semicircle slotted hole equals the aperture of described the second circle internal thread hole, the length of described semicircle slotted hole equals the aperture of three times of described second circle internal thread holes.
The support end external diameter of end cap is greater than outer ring external diameter, the support end internal diameter of end cap mates with outer ring external diameter, the aperture of end cap central bore >=described externally threaded nominal diameter, the maximum ga(u)ge of the minimum-depth >=seal closure of endcap support end, the several through holes of balanced configuration on end cap central bore end face of living in.
Owing to adopting technical scheme as mentioned above, the present invention produces following good effect:
1, to pull out closure assembly simple in structure, easy to make in fractionation of the present invention, and assembling is quick, uses laborsavingly, alleviated workman's labour intensity.
2, by fractionation, pull out closure assembly and do not produce any damage in the inside of split process Zhong Dui two sides sealed double-row taper roll bearing, can not destroy the planform of seal closure, bearing after splitting fast can reflect its original case the most really, can not affect the abrasion analysis of bearing.
Accompanying drawing explanation
Fig. 1 utilizes special crowbar to split the method simplified schematic diagram of seal closure;
Fig. 2 is the structural representation sketch that the present invention pulls out closure assembly;
Fig. 3 is the structural representation sketch of gusset;
Fig. 4 utilizes to pull out the method simplified schematic diagram that closure assembly splits seal closure;
In above-mentioned figure: 1-end cap; 2-pressing plate; 3-gusset; 4-base plate; 5-T oblique crank Z.
The specific embodiment
The present invention is the method for seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides, inside at split process Zhong Dui two sides sealed double-row taper roll bearing does not produce any damage, can not destroy the planform of seal closure, bearing after splitting fast can reflect its original case the most really, can not affect the abrasion analysis of bearing, and it is simple in structure that closure assembly is pulled out in fractionation, easy to make, assembling is quick, uses laborsavingly, has alleviated workman's labour intensity.
The large end face of two sides sealed double-row taper roll bearing is fitted with seal closure and other end is fitted with dust cover, described large end face and described other end refer to the both ends of the surface of inner ring, seal closure is called large step except having the right angle end of other shape Wai Yu outer ring contact, the reserved described large step of misunderstanding each other and passing to seal closure of large end face described in inner ring, reserved clearance height is given as H, and the diameter of described large step is given as 2R.
In conjunction with Fig. 2, split fast to relate to split and pull out closure assembly, described fractionation is pulled out closure assembly and is comprised end cap 1, pressing plate 2, gusset 3, garden base plate 4 and T oblique crank Z 5.From train wheel shaft Shang Jiang two sides sealed double-row taper roll bearing, disassemble; described fractionation is first installed and pulls out closure assembly; separated seal closure again; the following examples can be explained the present invention in more detail; the present invention is not limited to the following examples, discloses object of the present invention and is intended to protect all changes and improvements in the scope of the invention.
Garden base plate 4 is connected and fixed on the platform of the garden of T oblique crank Z 5 by several soket head cap screws and together puts into inner ring endoporus.
Two fan-shaped gussets 3 are lain in the reserved gap of large end face described in inner ring by symmetric position and extend to described large step below, upwards mention T oblique crank Z 5 and successively pressing plate 2 and two fan-shaped gussets 3 be connected and fixed on garden base plate 4 by several screws, or upwards mention T oblique crank Z 5 and directly two fan-shaped gussets 3 be connected and fixed on garden base plate 4 by several screws.Using pressing plate is mainly that to consider that the frequency of utilization manufacture difficulty higher and fan-shaped gusset of closure assembly is pulled out in described fractionation larger, if do not consider that be preferably directly connected and fixed two fan-shaped gussets on the base plate of garden by several screws at these 2.
By the support end of end cap 1, be that inner groovy is held level with both hands on the cycle surface that is placed on described large end face end, after being passed to end cap 1 centre bore, T oblique crank Z 5 is equipped with upper high nut, tightening described high nut makes 5 risings of T oblique crank Z cause obtaining pretension between end cap 1 and gusset 3, now end cap 1 acts on downwards on cycle surface and two fan-shaped gussets 3 upwards act on the described large step of seal closure, the downward active force of end cap 1 equals the active force that two fan-shaped gussets 3 make progress and has formed described pretension, then continuing to tighten described high nut makes two fan-shaped gussets 3 under the lifting lead of T oblique crank Z 5, make seal closure depart from the spacing fastening of outer ring completely and be split fast.
Split the described high nut of rear loosening removal fast, seal closure be separated and therefrom be taken off to described screw can by end cap, pressing plate and two fan-shaped gussets.Continuing said method can split fast to the seal closure of next two sides sealed double-row taper roll bearing.
The external diameter of garden base plate and the diameter of bore of inner ring match, can guarantee so not produce when garden base plate is put into inner ring endoporus shaking phenomenon, the central through hole internal diameter of garden base plate mates with the external diameter of T oblique crank Z, uniform the second circle internal thread hole that is processed with the first lap internal thread hole connecting for described several soket head cap screws and supplies described screw attachment on the base plate of garden, the centre-to-centre spacing of the second circle internal thread hole described in the centre-to-centre spacing < of described first lap internal thread hole, described first lap internal thread hole is for the T oblique crank Z corresponding with the circle stepped hole configuring on the platform of T oblique crank Z garden that is connected and fixed, described the second circle internal thread hole be used for being connected and fixed two fan-shaped gussets and pressing plate.
Platform external diameter < garden, the garden base plate external diameter of T oblique crank Z, on the platform of described garden, dispose a circle stepped hole, the centre-to-centre spacing of a described circle stepped hole equals the centre-to-centre spacing of described first lap internal thread hole, the shaft rod end threading of T oblique crank Z, described externally threaded nominal diameter mates with the nominal diameter of described high nut.
Fan-shaped gusset consists of outer impeller and interior impeller, the radius of curvature of described outer impeller is mated with described R, R described in the action < of described outer impeller, 2R described in the chord length < of described outer impeller, the thickness of described outer impeller≤described H, the radius of described interior impeller mates with the interior pore radius of inner ring, the thickness of described interior impeller equals described H+10mm, on described interior impeller, configure side by side several semicircle slotted holes, the width of described semicircle slotted hole equals the aperture of described the second circle internal thread hole, the length of described semicircle slotted hole equals the aperture of three times of described second circle internal thread holes.
The support end external diameter of end cap is greater than outer ring external diameter, the support end internal diameter of end cap mates with outer ring external diameter, the aperture of end cap central bore >=described externally threaded nominal diameter, the maximum ga(u)ge of the minimum-depth >=seal closure of endcap support end, the several through holes of balanced configuration on end cap central bore end face of living in, several through holes, can also being connected and fixed for pressing plate and two fan-shaped gussets except weight reduction, convenient movement.
Claims (5)
1. a method that splits fast seal closure on the sealed double-row taper roll bearing of two sides, the large end face of two sides sealed double-row taper roll bearing is fitted with seal closure and other end is fitted with dust cover, described large end face and described other end refer to the both ends of the surface of inner ring, seal closure is called large step except having the right angle end of other shape Wai Yu outer ring contact, the reserved described large step of misunderstanding each other and passing to seal closure of large end face described in inner ring, reserved clearance height is given as H, and the diameter of described large step is given as 2R; Split fast to relate to split and pull out closure assembly, described fractionation is pulled out closure assembly and is comprised end cap (1), pressing plate (2), gusset (3), garden base plate (4) and T oblique crank Z (5), it is characterized in that:
Garden base plate (4) is connected and fixed on the garden platform of T oblique crank Z (5) by several soket head cap screws and together puts into inner ring endoporus;
Two fan-shaped gussets (3) are lain in the reserved gap of large end face described in inner ring by symmetric position and extend to described large step below, upwards mention T oblique crank Z (5) and successively pressing plate (2) and two fan-shaped gussets (3) be connected and fixed at garden base plate (4) above by several screws, or upwards mention T oblique crank Z (5) and directly two fan-shaped gussets (3) be connected and fixed on garden base plate (4) by several screws;
By the support end of end cap (1), be that inner groovy is held level with both hands on the cycle surface that is placed on described large end face end, after being passed to end cap central bore, T oblique crank Z (5) is equipped with upper high nut, tightening described high nut makes T oblique crank Z (5) rising cause obtaining pretension between end cap (1) and gusset (3), now end cap (1) acts on downwards on cycle surface and two fan-shaped gussets (3) upwards act on the described large step of seal closure, the downward active force of end cap (1) equals the active force that two fan-shaped gussets (3) make progress and has formed described pretension, then continuing to tighten described high nut makes two fan-shaped gussets (3) under the lifting lead of T oblique crank Z (5), make seal closure depart from the spacing fastening of outer ring completely and be split fast.
2. the method for seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides according to claim 1, it is characterized in that: the external diameter of garden base plate (4) and the diameter of bore of inner ring match, the central through hole internal diameter of garden base plate (4) mates with the external diameter of T oblique crank Z (5), at upper uniform the second circle internal thread hole that is processed with the first lap internal thread hole connecting for described several soket head cap screws and supplies described screw attachment of garden base plate (4), the centre-to-centre spacing of the second circle internal thread hole described in the centre-to-centre spacing < of described first lap internal thread hole, the described first lap internal thread hole T oblique crank Z (5) corresponding with the circle stepped hole configuring on the platform of T oblique crank Z garden that is used for being connected and fixed, described the second circle internal thread hole be used for being connected and fixed two fan-shaped gussets (3) and pressing plate (2).
3. according to the method for seal closure on a kind of quick fractionation two sides sealed double-row taper roll bearing described in claim 1 or 2, it is characterized in that: garden platform external diameter < garden base plate (4) external diameter of T oblique crank Z (5), on the platform of described garden, dispose a circle stepped hole, the centre-to-centre spacing of a described circle stepped hole equals the centre-to-centre spacing of described first lap internal thread hole, the shaft rod end threading of T oblique crank Z (5), described externally threaded nominal diameter mates with the nominal diameter of described high nut.
4. according to the method for seal closure on a kind of quick fractionation two sides sealed double-row taper roll bearing described in claim 1 or 2 or 3, it is characterized in that: fan-shaped gusset (3) consists of outer impeller and interior impeller, the radius of curvature of described outer impeller is mated with described R, R described in the action < of described outer impeller, 2R described in the chord length < of described outer impeller, the thickness of described outer impeller≤described H, the radius of described interior impeller mates with the interior pore radius of inner ring, the thickness of described interior impeller equals described H+10mm, on described interior impeller, configure side by side several semicircle slotted holes, the width of described semicircle slotted hole equals the aperture of described the second circle internal thread hole, the length of described semicircle slotted hole equals the aperture of three times of described second circle internal thread holes.
5. according to the method for seal closure on a kind of quick fractionation two sides sealed double-row taper roll bearing described in claim 1 or 2 or 3, it is characterized in that: the support end external diameter of end cap (1) is greater than outer ring external diameter, the support end internal diameter of end cap (1) mates with outer ring external diameter, the aperture of end cap (1) centre bore >=described externally threaded nominal diameter, the maximum ga(u)ge of the minimum-depth >=seal closure of end cap (1) support end, the several through holes of balanced configuration on end cap (1) centre bore end face of living in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448100.6A CN103506829B (en) | 2013-09-27 | 2013-09-27 | The method of seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448100.6A CN103506829B (en) | 2013-09-27 | 2013-09-27 | The method of seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides |
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| Publication Number | Publication Date |
|---|---|
| CN103506829A true CN103506829A (en) | 2014-01-15 |
| CN103506829B CN103506829B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310448100.6A Active CN103506829B (en) | 2013-09-27 | 2013-09-27 | The method of seal closure on the sealed double-row taper roll bearing of a kind of quick fractionation two sides |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783975A (en) * | 2016-03-03 | 2016-07-20 | 同济大学 | Centrifuge test forced tamping simulation auxiliary test device |
| CN106239103A (en) * | 2016-08-25 | 2016-12-21 | 中车株洲电机有限公司 | A kind of bearing unit seal closure extractor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547773A1 (en) * | 1994-12-23 | 1996-06-27 | Facom | Drawing device for withdrawing, e.g. hubcap, protective cover, bearing seal |
| CN2437556Y (en) * | 2000-08-16 | 2001-07-04 | 北京铁路分局丰台车辆段 | Bearing seal cage removing machine for wagon |
| CN201455623U (en) * | 2009-07-27 | 2010-05-12 | 洛阳Lyc轴承有限公司 | Device for disassembling conical bearing seal assembly |
| CN202097541U (en) * | 2011-05-27 | 2012-01-04 | 成都维希机械制造有限公司 | Full-automatic sealing cover pulling-out device for bearings of rail wagons |
-
2013
- 2013-09-27 CN CN201310448100.6A patent/CN103506829B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547773A1 (en) * | 1994-12-23 | 1996-06-27 | Facom | Drawing device for withdrawing, e.g. hubcap, protective cover, bearing seal |
| CN2437556Y (en) * | 2000-08-16 | 2001-07-04 | 北京铁路分局丰台车辆段 | Bearing seal cage removing machine for wagon |
| CN201455623U (en) * | 2009-07-27 | 2010-05-12 | 洛阳Lyc轴承有限公司 | Device for disassembling conical bearing seal assembly |
| CN202097541U (en) * | 2011-05-27 | 2012-01-04 | 成都维希机械制造有限公司 | Full-automatic sealing cover pulling-out device for bearings of rail wagons |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783975A (en) * | 2016-03-03 | 2016-07-20 | 同济大学 | Centrifuge test forced tamping simulation auxiliary test device |
| CN106239103A (en) * | 2016-08-25 | 2016-12-21 | 中车株洲电机有限公司 | A kind of bearing unit seal closure extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103506829B (en) | 2015-11-18 |
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Effective date of registration: 20161228 Address after: 324400 Yongtai Road, Longyou Industrial Park, Zhejiang, No. 33 Patentee after: ZG iron bearing Co., Ltd. Address before: 471039 Henan province Luoyang Fenghua high tech Development Zone, Road No. 6 Patentee before: Luoyang Bearing Science and Technology Co., Ltd. |