CN204533178U - For the pulley part of crane gear - Google Patents
For the pulley part of crane gear Download PDFInfo
- Publication number
- CN204533178U CN204533178U CN201420826969.XU CN201420826969U CN204533178U CN 204533178 U CN204533178 U CN 204533178U CN 201420826969 U CN201420826969 U CN 201420826969U CN 204533178 U CN204533178 U CN 204533178U
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- Prior art keywords
- gland
- oil groove
- pulley
- bearing
- pulley part
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Abstract
The utility model relates to crane gear, specifically a kind of pulley part for crane gear., there is axial dimension large, baroque problem in the pulley part of traditional rolling bearing.The utility model adopts labyrinth sealing, is made up of pulley, gland, band oil groove gland, axle, rolling bearing, elastic scheibe; Pulley both ends of the surface are with seal groove; Gland is takeed on by seal ring and bearing guard and is integrated, and band oil groove gland is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot; Oilhole is had in axle, corresponding with band oil groove gland oil groove; Pulley is built with a set of bearing, and bearing outer ring adopts shelves shoulder and elastic scheibe to fix, and bearing inner race adopts gland and band oil groove gland to fix, and gland, band oil groove gland seal ring insert pulley both ends of the surface seal groove; Form a set of pulley part.The pulley part axial dimension that the utility model is used for crane gear is little, can directly replace adopting the pulley part of sliding bearing need not make an amendment supporting structure.
Description
Technical field
The utility model relates to crane gear, specifically a kind of pulley part for crane gear.
Background technique
The pulley part of traditional rolling bearing, there is axial dimension large, part is many, baroque problem.Can not job requirement be met when especially adopting the pulley part of sliding bearing to use, when needing to change the pulley part installing rolling bearing into, must make an amendment supporting structure.
Summary of the invention
The purpose of this utility model is to provide a kind of for replacing adopting the pulley part of sliding bearing, the pulley part axial dimension that the utility model is used for crane gear is little, equal with adopting the pulley part axial dimension of sliding bearing, directly can replace the pulley part adopting sliding bearing, need not make an amendment supporting structure.
The technical solution adopted in the utility model is: the utility model adopts labyrinth sealing, is made up of pulley, gland, band oil groove gland, axle, rolling bearing, elastic scheibe; Pulley both ends of the surface are with seal groove; Gland is takeed on by seal ring and bearing guard and is integrated; Band oil groove gland is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot; Oilhole is had in axle, corresponding with band oil groove gland oil groove; Pulley is built with a set of rolling bearing, and housing washer one side adopts shelves shoulder one side to adopt elastic scheibe to fix, and bearing inner race one side adopts gland one side to adopt band oil groove gland to fix, and gland, band oil groove gland seal ring insert pulley both ends of the surface seal groove; Form a set of pulley part.
Further, the axial dimension L1 of described pulley part is determined by pulley 1, gland 2, band oil groove gland 3, axial dimension.
Further, described described pulley 1 is built with a set of rolling bearing, and housing washer one side adopts shelves shoulder one side to adopt elastic scheibe to fix.
Further, described pulley 1 both ends of the surface are with seal groove, and the axial dimension L2 of groove is greater than the axial dimension L4 of pulley part and dunnage.
Further, described band oil groove gland 3 is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot.
Further, have oilhole in described axle 6, corresponding with band oil groove gland oil groove, its oil outlet diameter d is more than or equal to band oil groove gland 3 oil groove axial dimension L3 and the axial dimension L4 sum between pulley part and two dunnages.
The advantage that the utility model has is: by the improvement to structure, select and be integrated by seal ring and bearing guard shoulder, bearing guard shoulder has oil groove end face and has the band oil groove gland 3 of rectangular through slot and take on by seal ring and bearing guard the gland 2 be integrated, reduce pulley part axial dimension, under the prerequisite ensureing rolling bearing lubrication, improve pulley maneuvering load and use rotating speed, directly can replace the pulley part adopting sliding bearing, need not make an amendment supporting structure.
Fig. 1 is the structure sectional view of the pulley part for crane gear;
Fig. 2 is that the utility model installs the structure sectional view of two covers for the pulley part of crane gear;
Fig. 3 is the sectional view of gland;
Fig. 4 is the sectional view of band oil groove gland;
Fig. 5 is the sectional view of axle;
Fig. 6 is pulley figure sectional view;
Embodiment
In figure: 1. pulley, 2. gland, be 3. with oil groove gland, 4. rolling bearing, 5. elastic scheibe, 6. axle, 7. axle end baffle plate, 8. dunnage, 9. screw-down type grease cup;
The axial dimension of L1: two cover pulley parts.
L2: the axial dimension of pulley seal groove.
L3: band oil groove gland oil groove axial dimension.
The gap of L4: two cover pulley parts and two dunnages.
D: axle oil outlet diameter.
As figures 2-6, two pulley parts overlapped for crane gear are installed be made up of pulley 1, gland 2, band oil groove gland 3, bearing 4, elastic scheibe 5, axle 6, axle end baffle plate 7, dunnage 8, screw-down type grease cup 9;
Described installation two is overlapped has certain interval L4 for crane gear pulley part and two dunnages, and the axial dimension L1 of sheave block is determined by pulley 1, gland 2, band oil groove gland 3, axial dimension.
Described pulley 1 both ends of the surface are with seal groove; Gland 2 is takeed on by seal ring and bearing guard and is integrated; Band oil groove gland 3 is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot; Oilhole is had in axle 6, corresponding with band oil groove gland oil groove; Pulley 1 is built with a set of rolling bearing, housing washer one side adopts shelves shoulder one side to adopt elastic scheibe 5 to fix, bearing inner race one side adopts gland 2 one side to adopt band oil groove gland 3 to fix, and gland 2, band oil groove gland 3 seal ring insert pulley both ends of the surface seal groove; Form a set of pulley part.
Described installation two is overlapped has certain interval L4 for crane gear pulley part and two dunnages, pulley 1 both ends of the surface are with seal groove, the axial dimension L2 of groove is greater than the axial dimension L4 of sheave block and dunnage, when pulley 1 slides in axle 6, ensure gland 2, be with oil groove gland 3 seal ring insertion pulley both ends of the surface seal groove to have enough closure size.
Described band oil groove gland 3 is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot.Have oilhole in axle 6, corresponding with band oil groove gland oil groove, its oil outlet diameter d is more than or equal to band oil groove gland 3 oil groove axial dimension L3 and the axial dimension L4 sum between pulley part and two dunnages.Ensure that lubricating grease enters rolling bearing when pulley 1 slides in axle 6.
As shown in Figure 6, pulley 1 both ends of the surface are with seal groove, and the axial dimension L2 of groove is greater than the axial dimension L4 of pulley part and dunnage.
As shown in Figure 3, gland 2 is takeed on by seal ring and bearing guard and is integrated.
As shown in Figure 4, band oil groove gland 3 is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot.
As shown in Figure 5, have oilhole in axle 6, corresponding with band oil groove gland oil groove, its oil outlet diameter d is more than or equal to band oil groove gland 3 oil groove axial dimension L3 and the axial dimension L4 sum between pulley part and two dunnages.
During installation:
1, a set of rolling bearing is loaded in pulley 1, housing washer one side adopts shelves shoulder one side to adopt elastic scheibe 5 to fix, 1 grade, pulley shoulder bearing inner race one side inserts gland 2, seal ring inserts face of pulley seal groove, pulley 1 is installed elastic scheibe 5 one side and is inserted band oil groove gland 3, seal ring inserts face of pulley seal groove, forms a set of pulley part.
2, two cover pulley part band oil groove glands 3 are put between two dunnages relatively, and insert axle 6, axle 6 one end is fixed by axle end baffle plate 7, and axle 6 one end loads screw-down type grease cup 9, the sheave block device of composition two cover pulley part.
Should be appreciated that above is illustrative and not restrictive by preferred embodiment to the detailed description that the technical solution of the utility model is carried out.Those of ordinary skill in the art can modify to the technological scheme described in embodiment on the basis of reading the utility model specification, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technological scheme.
Claims (6)
1. the pulley part for crane gear, it is characterized in that, adopt labyrinth sealing, be made up of pulley (1), gland (2), band oil groove gland (3), bearing (4), elastic scheibe (5), axle (6), axle end baffle plate (7), dunnage (8), screw-down type grease cup (9);
Pulley (1) both ends of the surface are with seal groove, and pulley is built with a set of bearing, and bearing outer ring one side adopts shelves shoulder one side to adopt elastic scheibe to fix;
Gland (2) is takeed on by seal ring and bearing guard and is integrated;
Band oil groove gland (3) is takeed on by seal ring and bearing guard and is integrated, and bearing guard shoulder has oil groove end face and has rectangular through slot;
Axle has oilhole in (6), corresponding with band oil groove gland oil groove;
Two cuff oil groove glands (3) are put between two dunnages relatively, insert axle (6), axle (6) one end is fixed by axle end baffle plate (7), axle (6) one end loads screw-down type grease cup (9), the sheave block device of composition two cover pulley part.
2. the pulley part for crane gear according to claim 1, is characterized in that, the axial dimension L1 of described pulley part is determined by pulley (1), gland (2), band oil groove gland (3), axial dimension.
3. the pulley part for crane gear according to claim 1, is characterized in that, described pulley (1) is built with a set of bearing, and bearing outer ring one side adopts shelves shoulder one side to adopt elastic scheibe to fix.
4. a kind of pulley part for crane gear according to claim 1, it is characterized in that described pulley (1) both ends of the surface are with seal groove, the axial dimension L2 of groove is greater than the axial dimension L4 of pulley part and dunnage.
5. a kind of pulley part for crane gear according to claim 1, it is characterized in that described band oil groove gland (3) is takeed on by seal ring and bearing guard and be integrated, bearing guard shoulder has oil groove end face and has rectangular through slot.
6. a kind of pulley part for crane gear according to claim 1, it is characterized in that there is oilhole in described axle (6), corresponding with band oil groove gland oil groove, its oil outlet diameter d is more than or equal to the axial dimension L4 sum of band oil groove gland (3) oil groove axial dimension L3 and pulley part and dunnage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826969.XU CN204533178U (en) | 2014-12-12 | 2014-12-12 | For the pulley part of crane gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826969.XU CN204533178U (en) | 2014-12-12 | 2014-12-12 | For the pulley part of crane gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533178U true CN204533178U (en) | 2015-08-05 |
Family
ID=53747187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826969.XU Active CN204533178U (en) | 2014-12-12 | 2014-12-12 | For the pulley part of crane gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837993A (en) * | 2017-03-06 | 2017-06-13 | 广西汽车集团有限公司 | A kind of chain and its directive wheel |
-
2014
- 2014-12-12 CN CN201420826969.XU patent/CN204533178U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837993A (en) * | 2017-03-06 | 2017-06-13 | 广西汽车集团有限公司 | A kind of chain and its directive wheel |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |