CN103817651A - Bearing dismantling device - Google Patents
Bearing dismantling device Download PDFInfo
- Publication number
- CN103817651A CN103817651A CN201410101711.8A CN201410101711A CN103817651A CN 103817651 A CN103817651 A CN 103817651A CN 201410101711 A CN201410101711 A CN 201410101711A CN 103817651 A CN103817651 A CN 103817651A
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- CN
- China
- Prior art keywords
- bearing
- axle sleeve
- transparent cover
- trim ring
- gland
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a bearing dismantling device. A transparent cover is installed on a shaft neck below a bearing. The bearing dismantling device comprises a pressing ring, a short lead screw, a first shaft sleeve, a long lead screw, a gland, a stud and a second shaft sleeve. The first shaft sleeve and the second shaft sleeve are respectively composed of two half shaft sleeves in a butt-connection mode, the inner diameter of the first shaft sleeve and the inner diameter of the second shaft sleeve are matched with the shaft neck of an end cover of a grinder, the outer diameter of the pressing ring is the same as the outer diameter of the transparent cover, the edge of the pressing ring and the edge of the transparent cover are respectively provided with at least six concentric holes, a base disk and a barrel body are welded to form the gland, the height of the barrel body is not smaller than the thickness of the bearing, the outer diameter of the base disk is slightly smaller than the outer diameter of the shaft neck of the end cover of the grinder, the base disk and the upper surface of the shaft neck of the end cover of the grinder are respectively provided with at least six concentric threaded holes, and the two ends of the short lead screw and the two ends of the long lead screw are respectively of a threaded structure. The first shaft sleeve and/or the second shaft sleeve are/is arranged between the transparent cover and the bearing, the combination portions are welded in a spot-welding mode, the pressing ring or the gland is arranged above the shaft neck of the end cover of the grinder, and the pressing ring or the gland is connected with the transparent cover through the short lead screw or the long lead screw and a lead screw nut. The bearing dismantling device is simple in structure, low in manufacturing cost, safe and reliable in dismantling process and free of damage to the bearing.
Description
Technical field
The present invention relates to a kind of device of tearing bearing open, belong to field of mechanical technique.
Background technology
The bearing of hot charging on grinder shell cover axle journal need to disassemble because of a variety of causes, but because the internal diameter of this bearing is at φ 1000mm, and is hot charging when assembling, and therefore dismounting is very difficult.In prior art, do not have this special instrument to use yet, be therefore badly in need of a kind of disassembling fixture of large size bearing.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of frock that can the bearing on grinder shell cover axle journal is pulled down by hot charging.
For solving this technical problem, the invention provides one and tear bearing arrangement open, described bearing hot charging is on the axle journal of grinder shell cover, on axle journal below bearing, transparent cover is installed, comprise trim ring, short leading screw, axle sleeve one, long lead screw, gland, double-screw bolt and axle sleeve two, described axle sleeve one and axle sleeve two are by two half-axile sleeve docking compositions, its internal diameter mates with the axle journal of grinder shell cover, the external diameter of described trim ring is identical with transparent cover external diameter, the edge of trim ring and transparent cover is provided with at least 6 concentric hole, described gland is made up of chassis and barrel soldering, the height of described cylindrical shell is not less than the thickness of bearing, the external diameter on chassis is slightly less than the external diameter of grinder shell cover axle journal, described chassis and the axle journal upper surface of grinder shell cover are provided with at least 6 concentric screwed holes, the two ends of described short leading screw and long lead screw are helicitic texture, described axle sleeve one and/or axle sleeve two are arranged between transparent cover and bearing, and its junction is by spot-welded, and trim ring or gland are arranged at the axle journal top of grinder shell cover, and trim ring or gland use feed screw nut to be connected with transparent cover by short leading screw or long lead screw.
When bearing moves on grinder shell cover axle journal, described device comprises trim ring, short leading screw and axle sleeve one, axle sleeve one is arranged between transparent cover and bearing, trim ring is arranged at grinder shell cover axle journal top, short leading screw is through the concentric hole of transparent cover and trim ring, its two ends, exert oneself to twist feed screw nut by symmetry and are adjusted short leading screw closing by feed screw nut and trim ring and transparent cover, and short leading screw drives transparent cover, axle sleeve one and then is with dynamic bearing to move on axle journal.
Bearing is positioned at grinder shell cover axle journal upper end and departs from axle journal while moving, described device comprises axle sleeve one, long lead screw, gland, double-screw bolt and axle sleeve two, described axle sleeve one and axle sleeve two are arranged between transparent cover and bearing, gland is placed in grinder shell cover axle journal top and fixes by nut and double-screw bolt, trim ring is arranged at gland top, short leading screw is through the concentric hole of transparent cover and trim ring, its two ends by feed screw nut and trim ring and transparent cover closing, exert oneself to twist feed screw nut by symmetry and adjust short leading screw, short leading screw drives transparent cover, axle sleeve one and axle sleeve two and then move to bearing with dynamic bearing along axle journal and depart from the axle journal of grinder shell cover.
Described axle sleeve one and axle sleeve two are made for cast iron or cast steel, and trim ring and gland are that steel plate is made.
Beneficial effect: of the present invention simple in structure, cost of manufacture is low, through practical proof, by this frock can be conveniently by hot charging the bearing on grinder shell cover axle journal pull down, and unloading process is safe and reliable, does not damage bearing, the bearing of pulling down can also be used for sundry item, cost-saving.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of bearing to be torn open;
Fig. 2 is structural representation one of the present invention;
Fig. 3 is working state schematic representation one of the present invention;
Fig. 4 is structural representation two of the present invention;
Fig. 5 is working state schematic representation two of the present invention.
In figure: 1 bearing, 2 transparent covers, 3 grinder shell covers, 4 feed screw nuts, 5 trim rings, 6 short screw mandrels, 7 axle sleeves one, 8 long screws, 9 glands, 10 nut 11 double-screw bolts, 12 axle sleeves two.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is specifically described.
Described bearing 1 hot charging, on the axle journal of grinder shell cover 3, is provided with transparent cover 2 on the axle journal below bearing 1, be illustrated in figure 1 the assembling schematic diagram of bearing to be torn open.
Figure 2 shows that structural representation one of the present invention.
Figure 4 shows that structural representation two of the present invention.
The present invention includes trim ring 5, short leading screw 6, axle sleeve 1, long lead screw 8, gland 9, double-screw bolt 11 and axle sleeve 2 12.
Described axle sleeve 1 and axle sleeve 2 12 are by two half-axile sleeve docking compositions, and its internal diameter mates with the axle journal of grinder shell cover 3.
The external diameter of described trim ring 5 is identical with transparent cover 2 external diameters, and trim ring 5 is provided with at least 6 concentric hole with the edge of transparent cover 2.
Described gland 9 is made up of chassis and barrel soldering, and the height of described cylindrical shell is not less than the thickness of bearing 1, and the external diameter on chassis is slightly less than the external diameter of grinder shell cover 3 axle journals, and described chassis and the axle journal upper surface of grinder shell cover 3 are provided with at least 6 concentric screwed holes.
The two ends of described short leading screw 6 and long lead screw 8 are helicitic texture.
Described axle sleeve 1 and/or axle sleeve 2 12 are arranged between transparent cover 2 and bearing 1, spot-welded is passed through in its junction, trim ring 5 or gland 9 are arranged at the axle journal top of grinder shell cover 3, and trim ring 5 or gland 9 use feed screw nut 4 to be connected with transparent cover 2 by short leading screw 6 or long lead screw 8.
Figure 3 shows that working state schematic representation one of the present invention.
In the time that bearing 1 moves on grinder shell cover 3 axle journals, described device comprises trim ring 5, short leading screw 6 and axle sleeve 1, axle sleeve 1 is arranged between transparent cover 2 and bearing 1, trim ring 5 is arranged at grinder shell cover 3 axle journal tops, short leading screw 6 is through the concentric hole of transparent cover 2 and trim ring 5, close by feed screw nut 4 and trim ring 5 and 2 of transparent covers at its two ends, exerts oneself to twist feed screw nut 4 adjust short leading screw 6 by symmetry, and short leading screw 6 drives transparent cover 2, axle sleeve 1 and then band dynamic bearing 1 to move on axle journal.
Figure 5 shows that working state schematic representation two of the present invention.
When being positioned at grinder shell cover 3 axle journal upper ends, bearing 1 departs from axle journals while moving, described device comprises axle sleeve 1, long lead screw 8, gland 9, double-screw bolt 11 and axle sleeve 2 12, described axle sleeve 1 and axle sleeve 2 12 are arranged between transparent cover 2 and bearing 1, it is fixing by nut 10 and double-screw bolt 11 that gland 9 is placed in grinder shell cover 3 axle journal tops, trim ring 5 is arranged at gland 9 tops, short leading screw 8 is through the concentric hole of transparent cover 2 and trim ring 5, close by feed screw nut 4 and trim ring 5 and 2 of transparent covers at its two ends, exert oneself to twist feed screw nut 4 by symmetry and adjust short leading screw 8, short leading screw 8 drives transparent cover 2, axle sleeve 1 and axle sleeve 2 12 and then move to along axle journal the axle journal that bearing 1 departs from grinder shell cover 3 with dynamic bearing 1.
Described axle sleeve 1 and axle sleeve 2 12 are made for cast iron or cast steel, and trim ring 5 and gland 9 are made for steel plate.
Operation principle of the present invention and process
Step 1: 1) axle sleeve 1 is packed between transparent cover 2 and bearing 1, and by firm axle sleeve one 7 bonding crack place spot welding;
2) 8 short leading screws 6 of assembling, close by 4, nut with trim ring 5, transparent cover 2;
3) the symmetrical feed screw nut 4 of firmly twisting is adjusted short leading screw 6, makes short leading screw 6 drive transparent cover 2, axle sleeve 1 and then band dynamic bearing 1 to move to position shown in Fig. 3;
Step 2: 4) pull down trim ring 5 and short leading screw 6, transparent cover 2 is moved to grinder shell cover 3 bottom, axle sleeve 2 12 is packed into the below of axle sleeve 1, and by firm axle sleeve 2 12 bonding crack place spot welding, axle sleeve 1 is firm with axle sleeve 2 12 spot welding;
5) pack gland 9 into, utilize double-screw bolt 11 and nut 10 that gland 9 is put together on grinder shell cover 3;
6) 8 long lead screws 8 of assembling, close by 4 of feed screw nuts with trim ring 5, transparent cover 2;
7) the symmetrical feed screw nut 4 of firmly twisting is adjusted long lead screw 8, makes long lead screw 8 drive transparent cover 2, axle sleeve 1, axle sleeve 2 12 and then band dynamic bearing 1 to move to position shown in Fig. 5, until bearing 1 departs from;
8) in the time that bearing 1 will be taken off, with traveling crane surely with broken-proof.
Of the present invention simple in structure, cost of manufacture is low, through practical proof, by this frock can be conveniently by hot charging the bearing on grinder shell cover axle journal pull down, and unloading process is safe and reliable, does not damage bearing, the bearing of pulling down can also be used for sundry item, cost-saving.
The above-mentioned embodiment of the present invention, just illustrates, and is not only, and change within the scope of the present invention all or that be equal in scope of the present invention is all surrounded by the present invention.
Claims (4)
1. tear bearing arrangement open for one kind, described bearing (1) hot charging is on the axle journal of grinder shell cover (3), on the axle journal of bearing (1) below, transparent cover (2) is installed, it is characterized in that: comprise trim ring (5), short leading screw (6), axle sleeve one (7), long lead screw (8), gland (9), double-screw bolt (11) and axle sleeve two (12), described axle sleeve one (7) and axle sleeve two (12) are by two half-axile sleeve docking compositions, its internal diameter mates with the axle journal of grinder shell cover (3), the external diameter of described trim ring (5) is identical with transparent cover (2) external diameter, trim ring (5) is provided with at least 6 concentric hole with the edge of transparent cover (2), described gland (9) is made up of chassis and barrel soldering, the height of described cylindrical shell is not less than the thickness of bearing (1), the external diameter on chassis is slightly less than the external diameter of grinder shell cover (3) axle journal, described chassis and the axle journal upper surface of grinder shell cover (3) are provided with at least 6 concentric screwed holes, the two ends of described short leading screw (6) and long lead screw (8) are helicitic texture, described axle sleeve one (7) and/or axle sleeve two (12) are arranged between transparent cover (2) and bearing (1), spot-welded is passed through in its junction, trim ring (5) or gland (9) are arranged at the axle journal top of grinder shell cover (3), and trim ring (5) or gland (9) use feed screw nut (4) to be connected with transparent cover (2) by short leading screw (6) or long lead screw (8).
2. the bearing arrangement of tearing open according to claim 1, it is characterized in that: when bearing (1) moves on grinder shell cover (3) axle journal, described device comprises trim ring (5), short leading screw (6) and axle sleeve one (7), axle sleeve one (7) is arranged between transparent cover (2) and bearing (1), trim ring (5) is arranged at grinder shell cover (3) axle journal top, short leading screw (6) is through the concentric hole of transparent cover (2) and trim ring (5), its two ends by feed screw nut (4) and trim ring (5) and transparent cover (2) closing, exert oneself to twist feed screw nut (4) by symmetry and adjust short leading screw (6), short leading screw (6) drives transparent cover (2), axle sleeve one (7) and then band dynamic bearing (1) move on axle journal.
3. the bearing arrangement of tearing open according to claim 2, it is characterized in that: bearing (1) is positioned at grinder shell cover (3) axle journal upper end and departs from axle journal while moving, described device comprises axle sleeve one (7), long lead screw (8), gland (9), double-screw bolt (11) and axle sleeve two (12), described axle sleeve one (7) and axle sleeve two (12) are arranged between transparent cover (2) and bearing (1), it is fixing by nut (10) and double-screw bolt (11) that gland (9) is placed in grinder shell cover (3) axle journal top, trim ring (5) is arranged at gland (9) top, short leading screw (8) is through the concentric hole of transparent cover (2) and trim ring (5), its two ends by feed screw nut (4) and trim ring (5) and transparent cover (2) closing, exert oneself to twist feed screw nut (4) by symmetry and adjust short leading screw (8), short leading screw (8) drives transparent cover (2), axle sleeve one (7) and axle sleeve two (12) and then band dynamic bearing (1) move to along axle journal the axle journal that bearing (1) departs from grinder shell cover (3).
4. according to the bearing arrangement of tearing open described in claim 1,2 or 3, it is characterized in that: described axle sleeve one (7) and axle sleeve two (12) are made for cast iron or cast steel, trim ring (5) and gland (9) are made for steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101711.8A CN103817651B (en) | 2014-03-18 | 2014-03-18 | One tears bearing arrangement open |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101711.8A CN103817651B (en) | 2014-03-18 | 2014-03-18 | One tears bearing arrangement open |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103817651A true CN103817651A (en) | 2014-05-28 |
| CN103817651B CN103817651B (en) | 2015-08-19 |
Family
ID=50753086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410101711.8A Active CN103817651B (en) | 2014-03-18 | 2014-03-18 | One tears bearing arrangement open |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103817651B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6088898A (en) * | 1995-12-11 | 2000-07-18 | Lundsten; James D. | Blind hole bearing puller |
| DE102004022524B3 (en) * | 2004-05-05 | 2005-06-02 | Jahnel-Kestermann Getriebewerke Gmbh & Co. Kg | Roller bearing dismantling method e.g. for replacement of damaged drive shaft bearing in wind-turbine power plant, using sleeve welded to inner ring of roller bearing before extraction of latter |
| CN202155858U (en) * | 2011-07-11 | 2012-03-07 | 山东博泵科技股份有限公司 | Disassembling device for large-sized bearing |
| CN203141430U (en) * | 2013-03-26 | 2013-08-21 | 河北二十冶工程技术有限公司 | Mounting tool of filter press steel bush |
| CN203843777U (en) * | 2014-03-18 | 2014-09-24 | 济南重工股份有限公司 | Bearing dismounting device |
-
2014
- 2014-03-18 CN CN201410101711.8A patent/CN103817651B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6088898A (en) * | 1995-12-11 | 2000-07-18 | Lundsten; James D. | Blind hole bearing puller |
| DE102004022524B3 (en) * | 2004-05-05 | 2005-06-02 | Jahnel-Kestermann Getriebewerke Gmbh & Co. Kg | Roller bearing dismantling method e.g. for replacement of damaged drive shaft bearing in wind-turbine power plant, using sleeve welded to inner ring of roller bearing before extraction of latter |
| CN202155858U (en) * | 2011-07-11 | 2012-03-07 | 山东博泵科技股份有限公司 | Disassembling device for large-sized bearing |
| CN203141430U (en) * | 2013-03-26 | 2013-08-21 | 河北二十冶工程技术有限公司 | Mounting tool of filter press steel bush |
| CN203843777U (en) * | 2014-03-18 | 2014-09-24 | 济南重工股份有限公司 | Bearing dismounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103817651B (en) | 2015-08-19 |
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