CN204592026U - A kind of main bearing of ball grinding mill housing - Google Patents
A kind of main bearing of ball grinding mill housing Download PDFInfo
- Publication number
- CN204592026U CN204592026U CN201520171790.XU CN201520171790U CN204592026U CN 204592026 U CN204592026 U CN 204592026U CN 201520171790 U CN201520171790 U CN 201520171790U CN 204592026 U CN204592026 U CN 204592026U
- Authority
- CN
- China
- Prior art keywords
- bearing
- main bearing
- seal ring
- ball grinding
- grinding mill
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of main bearing of ball grinding mill housing, wherein, the quill shaft of pebble mill is horizontally disposed with, main bearing is arranged on the two ends along hollow axial direction of quill shaft, main bearing is positioned over the cylindrical space of enclosure interior just, comprise: bearing support, it comprises shell and the support of cast welding integration; Bearing cap; Seal ring group, is set in both sides respectively and is positioned on the quill shaft of bearing support and bearing cap outside, and the end face that compression axis bearing and bearing cap form; Pressure ring group, it comprises two ring-type pressure rings, and pressure ring difference empty set on quill shaft, and compresses both sides sealing circle.The utility model sealing effect and continuous capability are good, and the special seal ring life-span is long, and sealing position basic ne-leakage lubricant oil phenomenon occurs, safeguards simply, effectively reduces cost of equipment maintenance, make the running that grinding machine can be well lasting.
Description
Technical field
The utility model relates to a kind of bearing housing, is specifically related to a kind of main bearing of ball grinding mill housing.
Background technique
The main bearing of pebble mill is one of chief component of pebble mill, it carries large absolutely subdivision load and the lubrication work of whole pebble mill, whether main bearing shell body structure quality, directly has influence on the Security of the normal operational of pebble mill, the loss of sealing medium and running environment.In traditional main bearing shell body structure, main bearing seat adopts cast-in-block structural type, its complex structure, processing difficulties, and weight is large, and cost is high, and waste product is many; Seal form uses comparatively original wool felt sealing, and sealing effect is poor, and sealing part abrasion is fast, and the life-span is short, and sealing position is oozed, leakage of oil is serious.
Model utility content
The utility model, for solving the problem, provides a kind of main bearing of ball grinding mill housing.The utility model novel structure, light and handy, make simple, safe and reliable, make consumptive material and cost low; Sealing effect and continuous capability are good, and special seal life is long, and sealing position basic ne-leakage lubricant oil phenomenon occurs, safeguards simply, effectively reduces cost of equipment maintenance, make the running that grinding machine can be well lasting.
The technological scheme that the utility model provides is:
A kind of main bearing of ball grinding mill housing, wherein, the quill shaft of pebble mill is horizontally disposed with, and main bearing is arranged on the two ends along hollow axial direction of described quill shaft, and described main bearing is positioned over the cylindrical space of enclosure interior just, comprising:
Bearing support, it comprises shell and the support of cast welding integration, and described support upper surface has the semi-cylindrical space holding described main bearing;
Bearing cap, its lower surface has the semi-cylindrical space holding described main bearing, and described bearing cap is connected with described bearing support by the first fastening piece;
Seal ring group, it comprises two annular seal rings, is set in both sides respectively and is positioned on the quill shaft of described bearing support and described bearing cap outside, and compresses the end face that described bearing support and described bearing cap form;
Pressure ring group, it comprises two ring-type pressure rings, described pressure ring difference empty set is on described quill shaft, and compress both sides sealing circle, the outward edge of described pressure ring has ring-type external part along described seal ring direction, and described external part axial direction has the first through hole, and described pressure ring is fixed on the end face that described bearing support and described bearing cap form through the first through hole by the second fastening piece, described external part radial direction has oil hole, and described oil hole is provided with oil gun.
Preferably, described main bearing of ball grinding mill housing, described seal ring is y-type seal ring, and its material is butyronitrile-40, and described seal ring is radially provided with the second through hole, and described second through hole aligns with described first through hole.
Preferably, described main bearing of ball grinding mill housing, the outside that described seal ring is positioned at the position of below described oil hole is stained with wool felt, and the thickness of described wool felt is no more than the half of described first through hole length.
Preferably, described main bearing of ball grinding mill housing, the position that described external part lower surface contacts described seal ring is provided with saw-tooth grooves, and the height of described groove is no more than 1/10 of described oil hole height.
Preferably, described main bearing of ball grinding mill housing, described shell is steel plate, and described support is Cast Steel.
Preferably, described main bearing of ball grinding mill housing, described bearing cap is steel plate installed-welded.
Preferably, described main bearing of ball grinding mill housing, the top of described bearing cap is provided with ventilated port, and described ventilated port is provided with temperature transducer, and described ventilated port is connected with induced draft fan by gas exhaust piping.
Preferably, described main bearing of ball grinding mill housing, described oil gun tilts to install, and the angle of itself and axial direction is 60 ~ 120 °.
Preferably, described main bearing of ball grinding mill housing, described quill shaft is arranged with in parallel fin by the external peripheral surface of the coated part of described seal ring.
The beneficial effects of the utility model are:
The first, bearing support is connected by the first fastening piece with bearing cap, the lucky cylindrical space forming accommodation main bearing, seal ring is furnished with in outside, main bearing two ends, and adopt pressure ring to compress, seal ring and axle journal form seal space, by oil gun to oil hole oiling, form liquid packing layer, form double sealing structure;
The second, the y-type seal ring selecting cross section Y-shaped, the second through hole is provided with radially, after oil hole oiling, grease falls from the second through hole just, overflows the seal space that seal ring and axle journal are formed, decrease the friction of seal ring and axle journal, the basic ne-leakage lubricant oil in sealing position, seal ring selects butyronitrile-40 to make, and has excellent effect and continuous capability, improve the working life of seal ring, reduce maintenance workload;
Three, outside sealing ring lower potion, be stained with the wool felt that thickness is no more than the first through hole half, can the sealing of enhanced leaktightness circle, and avoid the contact of wool felt and grease, saw-tooth grooves is provided with at external part lower surface, grease moisten under can be engaged with seal ring better, interlacing contact reaches high-seal, and avoids seal ring be out of shape under the extruding of pressure ring high strength or corrode;
Four, bearing support bottom adopts the support that Cast Steel is made, and surrounding adopts steel plate to make shell, combination cast welding bearing support, steel plate installed-welded bearing cap, whole main bearing shell body structure simply, is easily processed, and but has large intensity, accepts weight and the running of main bearing well; The top of bearing cap is provided with ventilated port, by temperature in temperature sensor senses housing, then takes main bearing away by induced draft fan and rotates the heat generated, promote hot air circulation;
Five, oil gun is arranged on pressure ring, and controlling with the angle of axle journal is 60 ~ 120 °, grease can be flowed downward along inwall just, lubricate better and seal, and can not be stranded on pouring orifice surface, forms liquid film blocking through hole;
Six, by part axle journal that y-type seal ring wraps, be provided with twice fin external peripheral surface is parallel, the grease that pouring orifice is flowed down can stay seal space, can not overflow along with the rotation of axle journal, formed staggered with seal ring lower limb, also strengthen the sealing of sealing layer.
Main bearing of ball grinding mill shell combination cast welding bearing support described in the utility model, assembly welding bearing cap, two-in-one formation housing, adopt y-type seal ring, oiling forms liquid packing layer, forms double sealing structure, the utility model sealing effect and continuous capability good, the special seal ring life-span is long, and sealing position basic ne-leakage lubricant oil phenomenon occurs, safeguards simple, effectively reduce cost of equipment maintenance, make the running that grinding machine can be well lasting.
Accompanying drawing explanation
Fig. 1 is the plan view of main bearing of ball grinding mill housing described in the utility model.
Fig. 2 is the side view of bearing support described in the utility model.
Fig. 3 is the A-A cut-away view of main bearing of ball grinding mill housing described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
As Figure 1-3, the utility model provides a kind of main bearing of ball grinding mill housing, wherein, the quill shaft 7 of pebble mill is horizontally disposed with, main bearing is arranged on the two ends along hollow axial direction of described quill shaft 7, and described main bearing is positioned over the cylindrical space of enclosure interior just, comprising:
Bearing support 1, it comprises shell 9 and the support 8 of cast welding integration, and described support 8 upper surface has the semi-cylindrical space holding described main bearing;
Bearing cap 2, its lower surface has the semi-cylindrical space holding described main bearing, and described bearing cap 2 is connected with described bearing support 1 by the first fastening piece;
Seal ring group, it comprises two annular seal rings 5, is set in both sides respectively and is positioned at described bearing support 1 with on the quill shaft 7 of described bearing cap 2 outside, and compresses the end face that described bearing support 1 forms with described bearing cap 2;
Pressure ring group, it comprises two ring-type pressure rings 4, described pressure ring 4 difference empty set is on described quill shaft 7, and compress both sides sealing circle 5, the outward edge of described pressure ring 4 has ring-type external part along described seal ring 5 direction, and described external part axial direction has the first through hole, and described pressure ring 4 is fixed on the end face that described bearing support 1 and described bearing cap 2 form through the first through hole by the second fastening piece, described external part radial direction has oil hole, described oil hole is provided with oil gun 3.
Described bearing support 1 is connected by the first fastening piece with described bearing cap 2, the lucky cylindrical space forming the described main bearing of accommodation, described seal ring 5 is furnished with in outside, described main bearing two ends, and adopt described pressure ring 4 to compress, described seal ring 5 forms seal space with axle journal, by described oil gun 3 to oil hole oiling, form liquid packing layer, form double sealing structure.
Described main bearing of ball grinding mill housing, described seal ring 5 is y-type seal ring, and its material is butyronitrile-40, and described seal ring 5 is radially provided with the second through hole, and described second through hole aligns with described first through hole.
After described oil hole oiling, grease falls from described second through hole just, overflow the seal space that described seal ring 5 is formed with axle journal, decrease the friction of described seal ring 5 and axle journal, the basic ne-leakage lubricant oil in sealing position, described seal ring 5 selects butyronitrile-40 to make, and has excellent effect and continuous capability, improve the working life of described seal ring 5, reduce maintenance workload.
Described main bearing of ball grinding mill housing, the outside that described seal ring 5 is positioned at the position of below described oil hole is stained with wool felt, and the thickness of described wool felt is no more than the half of described first through hole length.
Described main bearing of ball grinding mill housing, the position that described external part lower surface contacts described seal ring 5 is provided with saw-tooth grooves, and the height of described groove is no more than 1/10 of described oil hole height.
The wool felt that thickness is no more than the first through hole half is stained with at described seal ring 5 lower outside, the sealing of described seal ring 5 can be strengthened, and avoid the contact of described wool felt and grease, saw-tooth grooves is provided with at external part lower surface, grease moisten under can be engaged with described seal ring 5 better, interlacing contact reaches high-seal, and avoids described seal ring 5 be out of shape under the extruding of described pressure ring 4 high strength or corrode.
Described main bearing of ball grinding mill housing, described shell 9 is steel plate, and described support 8 is Cast Steel.
Described main bearing of ball grinding mill housing, described bearing cap 2 is steel plate installed-welded.
Described main bearing of ball grinding mill housing, the top of described bearing cap 2 is provided with ventilated port, and described ventilated port is provided with temperature transducer, and described ventilated port is connected with induced draft fan 6 by gas exhaust piping.
The described support 8 that described bearing support 1 bottom adopts Cast Steel to make, surrounding adopts steel plate to make described shell 9, bearing support 1 described in combination cast welding, bearing cap 2 described in steel plate installed-welded, whole main bearing shell body structure simply, is easily processed, but have large intensity, accept weight and the running of described main bearing well; The top of described bearing cap 2 is provided with ventilated port, by temperature in temperature sensor senses housing, then takes described main bearing away by induced draft fan 6 and rotates the heat generated, promote hot air circulation.
Described main bearing of ball grinding mill housing, described oil gun 3 tilts to install, and the angle of itself and axial direction is 60 ~ 120 °.
Described oil gun 3 is arranged on described pressure ring 4, and controlling with the angle of axle journal is 60 ~ 120 °, grease can be flowed downward along inwall just, lubricate better and seal, and can not be stranded on pouring orifice surface, forms liquid film blocking through hole.
Described main bearing of ball grinding mill housing, described quill shaft 7 is arranged with in parallel fin by the external peripheral surface of the coated part of described seal ring 5.
By the part axle journal that described y-type seal ring 5 wraps, be provided with twice fin external peripheral surface is parallel, the grease that pouring orifice is flowed down can stay seal space, can not overflow along with the rotation of axle journal, formed staggered with described seal ring 5 lower limb, also strengthen the sealing of sealing layer.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and mode of execution utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a main bearing of ball grinding mill housing, wherein, the quill shaft of pebble mill is horizontally disposed with, and main bearing is arranged on the two ends along hollow axial direction of described quill shaft, and described main bearing is positioned over the cylindrical space of enclosure interior just, it is characterized in that, comprising:
Bearing support, it comprises shell and the support of cast welding integration, and described support upper surface has the semi-cylindrical space holding described main bearing;
Bearing cap, its lower surface has the semi-cylindrical space holding described main bearing, and described bearing cap is connected with described bearing support by the first fastening piece;
Seal ring group, it comprises two annular seal rings, is set in both sides respectively and is positioned on the quill shaft of described bearing support and described bearing cap outside, and compresses the end face that described bearing support and described bearing cap form;
Pressure ring group, it comprises two ring-type pressure rings, described pressure ring difference empty set is on described quill shaft, and compress both sides sealing circle, the outward edge of described pressure ring has ring-type external part along described seal ring direction, and described external part axial direction has the first through hole, and described pressure ring is fixed on the end face that described bearing support and described bearing cap form through the first through hole by the second fastening piece, described external part radial direction has oil hole, and described oil hole is provided with oil gun.
2. main bearing of ball grinding mill housing as claimed in claim 1, it is characterized in that, described seal ring is y-type seal ring, and its material is butyronitrile-40, and described seal ring is radially provided with the second through hole, and described second through hole aligns with described first through hole.
3. main bearing of ball grinding mill housing as claimed in claim 2, it is characterized in that, the outside that described seal ring is positioned at the position of below described oil hole is stained with wool felt, and the thickness of described wool felt is no more than the half of described first through hole length.
4. main bearing of ball grinding mill housing as claimed in claim 3, it is characterized in that, the position that described external part lower surface contacts described seal ring is provided with saw-tooth grooves, and the height of described groove is no more than 1/10 of described oil hole height.
5. main bearing of ball grinding mill housing as claimed in claim 4, it is characterized in that, described shell is steel plate, and described support is Cast Steel.
6. main bearing of ball grinding mill housing as claimed in claim 5, it is characterized in that, described bearing cap is steel plate installed-welded.
7. main bearing of ball grinding mill housing as claimed in claim 6, it is characterized in that, the top of described bearing cap is provided with ventilated port, and described ventilated port is provided with temperature transducer, and described ventilated port is connected with induced draft fan by gas exhaust piping.
8. main bearing of ball grinding mill housing as claimed in claim 7, is characterized in that, described oil gun tilts to install, and the angle of itself and axial direction is 60 ~ 120 °.
9. main bearing of ball grinding mill housing as claimed in claim 8, is characterized in that, described quill shaft is arranged with in parallel fin by the external peripheral surface of the coated part of described seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171790.XU CN204592026U (en) | 2015-03-26 | 2015-03-26 | A kind of main bearing of ball grinding mill housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171790.XU CN204592026U (en) | 2015-03-26 | 2015-03-26 | A kind of main bearing of ball grinding mill housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592026U true CN204592026U (en) | 2015-08-26 |
Family
ID=53928181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171790.XU Withdrawn - After Issue CN204592026U (en) | 2015-03-26 | 2015-03-26 | A kind of main bearing of ball grinding mill housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791387A (en) * | 2015-03-26 | 2015-07-22 | 南宁广发重工集团有限公司 | Main bearing shell of ball mill |
| CN112413131A (en) * | 2020-11-19 | 2021-02-26 | 芜湖汽车前瞻技术研究院有限公司 | Oil storage double-lip sealing ring |
-
2015
- 2015-03-26 CN CN201520171790.XU patent/CN204592026U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791387A (en) * | 2015-03-26 | 2015-07-22 | 南宁广发重工集团有限公司 | Main bearing shell of ball mill |
| CN104791387B (en) * | 2015-03-26 | 2017-07-07 | 南宁广发重工集团有限公司 | A kind of main bearing of ball grinding mill housing |
| CN112413131A (en) * | 2020-11-19 | 2021-02-26 | 芜湖汽车前瞻技术研究院有限公司 | Oil storage double-lip sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20170707 |
|
| AV01 | Patent right actively abandoned |