CN204420124U - A kind of Novel vertical mill shaft of grinding roller bearing sealing device - Google Patents
A kind of Novel vertical mill shaft of grinding roller bearing sealing device Download PDFInfo
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- CN204420124U CN204420124U CN201420853377.7U CN201420853377U CN204420124U CN 204420124 U CN204420124 U CN 204420124U CN 201420853377 U CN201420853377 U CN 201420853377U CN 204420124 U CN204420124 U CN 204420124U
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- vertical mill
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Abstract
The utility model discloses a kind of Novel vertical mill shaft of grinding roller bearing sealing device, comprise sealing transparent cover, sealing ring flat-plate, seal joint and shaft retaining ring, sealing transparent cover is sleeved on grinding roller of vertical mill, the right-hand member of sealing transparent cover is fixedly connected with by the left end face of bolt with roller core outer ring, the left end of sealing transparent cover is arranged in rocking arm sealing, seal joint is connected by the left end face of bolt with sealing transparent cover, the its right end face of shaft retaining ring and the left end face of seal joint against, limited ring in the left end face of shaft retaining ring and rocking arm seal against, sealing ring flat-plate is arranged on the outside of the left end of sealing transparent cover, and the right-hand member that sealing ring flat-plate is sealed by stud bolt and rocking arm is fixedly connected with.A kind of Novel vertical mill of the utility model shaft of grinding roller bearing sealing device realizes the sealing to bearing by multiple labyrinth seals such as sealing ring flat-plates, without the need to newly increasing with power equipment, just effectively can prevent grinding roller bearing oil leak and bearing from entering ash and damaging bearing.
Description
Technical field
The utility model relates to a kind of milling equipment, particularly relates to a kind of Novel vertical mill shaft of grinding roller bearing sealing device.
Background technique
Vertical Mill is that a kind of oven dry of technical performance excellence is held concurrently milling equipment, is mainly used in the grinding of cement slurry, coal dust, cement, can be widely used in the industries such as building materials, light industry, chemical industry, thermal power generation.Vertical Mill has the advantages such as mill efficiency is high, power consumption is low, material size is large, product fineness is easy to adjustment, apparatus and process flow process is simple, floor space is little, noise is low, airborne dust is little, working service is simple, operating cost is low, high-abrasive material consumption is few in cement, electric power (thermoelectricity) manufacturing enterprise.On-stream at Vertical Mill, because grinding roller of vertical mill operates in high temperature and in dust-containing airflow and powder contact environment, be easy to damage and repair and replacement workload is large, maintenance expenses is high, engineering time is long, cause grinding roller leakage of oil and bearing to enter ash to damage, directly affect the working life of grinding roller bearing and the production of enterprise.
Model utility content
The purpose of this utility model is just to provide a kind of Novel vertical mill shaft of grinding roller bearing sealing device to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of Novel vertical mill shaft of grinding roller bearing sealing device, the right-hand member arranged outside of described grinding roller of vertical mill has grinding roller bearing, the arranged outside of described grinding roller bearing has roller core outer ring, the its right end face of described grinding roller of vertical mill is provided with the sealing of bearing stifle, the left end of described grinding roller of vertical mill is provided with rocking arm, be provided with rocking arm between described rocking arm and described roller core outer ring to seal, described seal arrangement comprises sealing transparent cover, sealing ring flat-plate, seal joint and shaft retaining ring, described sealing transparent cover is sleeved on described grinding roller of vertical mill, the right-hand member of described sealing transparent cover is fixedly connected with by the left end face of bolt with described roller core outer ring, the left end of described sealing transparent cover is arranged in the sealing of described rocking arm, described seal joint is connected by the left end face of bolt with described sealing transparent cover, the its right end face of described shaft retaining ring and the left end face of described seal joint against, limited ring in the left end face of described shaft retaining ring and described rocking arm seal against, described sealing ring flat-plate is arranged on the outside of the left end of described sealing transparent cover, and the right-hand member that described sealing ring flat-plate is sealed by stud bolt and described rocking arm is fixedly connected with.
Particularly, the left end face of described seal joint is provided with annular groove, and its right end face of described shaft retaining ring is provided with the annular ridge corresponding with the annular groove on described seal joint, is provided with transparent cover seal ring between described sealing transparent cover and described rocking arm seal.
Labyrinth seal is formed between the annular groove of shaft retaining ring and the annular ridge of seal joint.
Particularly, described sealing ring flat-plate comprise fin sealing plate, groove sealing plate and asbestos packing, described fin sealing plate and described groove sealing plate are annular slab, described fin sealing plate inner ring place be provided with annular ridge, described groove sealing plate inner ring place be provided with described fin sealing plate annular groove corresponding to annular ridge, described asbestos packing be arranged on described fin sealing plate annular ridge end face and described groove sealing plate between annular groove bottom surface.
Preferably, described fin sealing plate and described groove sealing plate form by two semi-rings.
Particularly, described groove sealing plate be positioned at described fin sealing plate left side.
Fin sealing plate annular ridge and groove sealing plate form labyrinth seal between annular groove, asbestos packing increases sealing; Semicircular configuration is convenient to directly change sealing ring flat-plate.
Further, between described sealing transparent cover and described grinding roller of vertical mill, be provided with backbone sealing ring, between the inner side surface of described backbone sealing ring and the outer side surface of described grinding roller of vertical mill, be provided with reinforced seal inner spacing collar.
Particularly, the number of described backbone sealing ring is three, be provided with reinforced seal spacer ring between three described backbone sealing rings, the described backbone sealing ring of left end and the right flank of described seal joint against, the described backbone sealing ring of right-hand member and described sealing transparent cover against.
On the right side of described backbone sealing ring, two form the oil leakage that two seals can limit position of bearings, and one, leftmost side skeleton forms sealing together and external dust can be stoped to enter bearing portion.
Further, described device also comprises loudspeaker cover, and described seal arrangement is all arranged in described loudspeaker cover, and the right-hand member of described loudspeaker cover is fixedly connected with described roller core outer ring by bolt, and the left end of described loudspeaker cover is arranged on the outside of described rocking arm sealing.
Loudspeaker cover protects whole seal arrangement as outer layer protection.
Preferably, described bolt is hex head bolt.
The beneficial effects of the utility model are:
A kind of Novel vertical mill of the utility model shaft of grinding roller bearing sealing device realizes the sealing to bearing by multiple labyrinth seals such as sealing ring flat-plates, without the need to newly increasing with power equipment, just effectively can prevent grinding roller bearing oil leak and bearing from entering ash and damaging bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Novel vertical mill shaft of grinding roller bearing sealing device described in the utility model;
Fig. 2 is the enlarged view of part A in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As depicted in figs. 1 and 2, a kind of Novel vertical mill shaft of grinding roller bearing sealing device, the right-hand member arranged outside of grinding roller of vertical mill 1 has grinding roller bearing 7, the arranged outside of grinding roller bearing 7 has roller core outer ring 2, the its right end face of grinding roller of vertical mill 1 is provided with bearing stifle sealing 6, the left end of grinding roller of vertical mill 1 is provided with rocking arm 3, be provided with rocking arm between rocking arm 3 and roller core outer ring 2 and seal 4, seal arrangement comprises sealing transparent cover 17, sealing ring flat-plate, seal joint 16, shaft retaining ring 11 and loudspeaker cover 5, sealing transparent cover 17 is sleeved on grinding roller of vertical mill 1, the right-hand member of sealing transparent cover 17 is fixedly connected with by the left end face of bolt with roller core outer ring 2, the left end of sealing transparent cover 17 is arranged in rocking arm sealing 4, seal joint 16 is connected by the left end face of bolt with sealing transparent cover 17, the left end face of seal joint 16 is provided with annular groove, the its right end face of shaft retaining ring 11 is provided with the annular ridge corresponding with the annular groove on seal joint 16.Its right end face of shaft retaining ring 11 and the left end face of seal joint 16 against, the left end face of shaft retaining ring 11 and rocking arm seal limited ring in 4 against, sealing ring flat-plate is arranged on the outside of the left end of sealing transparent cover 17, and the right-hand member that sealing ring flat-plate seals 4 by stud bolt and rocking arm is fixedly connected with, sealing transparent cover 17 and rocking arm are provided with transparent cover seal ring 12 between sealing 4.
Sealing ring flat-plate comprises fin sealing plate 10, groove sealing plate 8 and asbestos packing 9, fin sealing plate 10 and groove sealing plate 8 are annular slab, the inner ring place of fin sealing plate 10 is provided with annular ridge, the inner ring place of groove sealing plate 8 is provided with the annular groove corresponding with the annular ridge of fin sealing plate 10, and asbestos packing 9 is arranged between the annular ridge end face of fin sealing plate 10 and the annular groove bottom surface of groove sealing plate 8.Fin sealing plate 10 and groove sealing plate 8 form by two semi-rings.Groove sealing plate 8 is positioned at the left side of fin sealing plate 10.
Backbone sealing ring 13 is provided with between sealing transparent cover 17 and grinding roller of vertical mill 1, reinforced seal inner spacing collar 15 is provided with between the inner side surface of backbone sealing ring 13 and the outer side surface of grinding roller of vertical mill 1, the number of backbone sealing ring 13 is three, reinforced seal spacer ring 14 is provided with between three backbone sealing rings 13, the backbone sealing ring 13 of left end and the right flank of seal joint 16 against, the backbone sealing ring 13 of right-hand member and sealing transparent cover 17 against, seal arrangement is all arranged in loudspeaker cover 5, the right-hand member of loudspeaker cover 5 is fixedly connected with roller core outer ring 2 by bolt, the left end of loudspeaker cover 5 is arranged on the outside of rocking arm sealing 4.
The working principle of a kind of Novel vertical mill of the utility model shaft of grinding roller bearing sealing device is as follows:
Outermost surface protection loudspeaker cover 5 is fixed on the left end face convenient for maintaining dismounting of grinding roller roller core outer ring 2 with hex head bolt; outermost surface sealing is the simple groove sealing plate 8 of structure and fin sealing plate 10; and be divided into two semi-rings and be fixed on rocking arm with stud bolt and seal 4 end faces; maintenance, without the need to removing grinding roller, only need be removed loudspeaker cover 5 and just can directly change sealing ring flat-plate.
Simultaneously in order to enhanced leaktightness; rocking arm 3 is provided with seal fan intake adit; the seal ring of rocking arm sealing 4 between the transparent cover seal ring 12 of sealing transparent cover 17 comparatively small―gap suture forms together with seal and form ventilation cavity; ventilation cavity is provided with seal fan; seal fan uninterruptedly supplies pressure wind, stops the interior high temperature of mill and dust-containing airflow and powder enter.
Whole sealing mechanism a kind of multiple tracks force to intercept and air sac sealing state under work.According to different Vertical Mill equipment utilization and the original grinding roller seal fan air quantity of improvement and blast, blast after improvement, is made to reach a reasonable working state.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection domain of the present utility model.
Claims (9)
1. a Novel vertical mill shaft of grinding roller bearing sealing device, the right-hand member arranged outside of described grinding roller of vertical mill has grinding roller bearing, the arranged outside of described grinding roller bearing has roller core outer ring, the its right end face of described grinding roller of vertical mill is provided with the sealing of bearing stifle, the left end of described grinding roller of vertical mill is provided with rocking arm, be provided with rocking arm between described rocking arm and described roller core outer ring to seal, it is characterized in that: comprise sealing transparent cover, sealing ring flat-plate, seal joint and shaft retaining ring, described sealing transparent cover is sleeved on described grinding roller of vertical mill, the right-hand member of described sealing transparent cover is fixedly connected with by the left end face of bolt with described roller core outer ring, the left end of described sealing transparent cover is arranged in the sealing of described rocking arm, described seal joint is connected by the left end face of bolt with described sealing transparent cover, the its right end face of described shaft retaining ring and the left end face of described seal joint against, limited ring in the left end face of described shaft retaining ring and described rocking arm seal against, described sealing ring flat-plate is arranged on the outside of the left end of described sealing transparent cover, and the right-hand member that described sealing ring flat-plate is sealed by stud bolt and described rocking arm is fixedly connected with.
2. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 1, it is characterized in that: the left end face of described seal joint is provided with annular groove, the its right end face of described shaft retaining ring is provided with the annular ridge corresponding with the annular groove on described seal joint, is provided with transparent cover seal ring between described sealing transparent cover and described rocking arm seal.
3. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 1, it is characterized in that: described sealing ring flat-plate comprise fin sealing plate, groove sealing plate and asbestos packing, described fin sealing plate and described groove sealing plate are annular slab, described fin sealing plate inner ring place be provided with annular ridge, described groove sealing plate inner ring place be provided with described fin sealing plate annular groove corresponding to annular ridge, described asbestos packing be arranged on described fin sealing plate annular ridge end face and described groove sealing plate between annular groove bottom surface.
4. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 3, is characterized in that: described fin sealing plate and described groove sealing plate form by two semi-rings.
5. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 3, is characterized in that: described groove sealing plate be positioned at described fin sealing plate left side.
6. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 1, it is characterized in that: between described sealing transparent cover and described grinding roller of vertical mill, be provided with backbone sealing ring, between the inner side surface of described backbone sealing ring and the outer side surface of described grinding roller of vertical mill, be provided with reinforced seal inner spacing collar.
7. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 6, it is characterized in that: the number of described backbone sealing ring is three, reinforced seal spacer ring is provided with between three described backbone sealing rings, the described backbone sealing ring of left end and the right flank of described seal joint against, the described backbone sealing ring of right-hand member and described sealing transparent cover against.
8. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 1, it is characterized in that: also comprise loudspeaker cover, described seal arrangement is all arranged in described loudspeaker cover, the right-hand member of described loudspeaker cover is fixedly connected with described roller core outer ring by bolt, and the left end of described loudspeaker cover is arranged on the outside of described rocking arm sealing.
9. a kind of Novel vertical mill shaft of grinding roller bearing sealing device according to claim 1 or 8, is characterized in that: described bolt is hex head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853377.7U CN204420124U (en) | 2014-12-29 | 2014-12-29 | A kind of Novel vertical mill shaft of grinding roller bearing sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420853377.7U CN204420124U (en) | 2014-12-29 | 2014-12-29 | A kind of Novel vertical mill shaft of grinding roller bearing sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420124U true CN204420124U (en) | 2015-06-24 |
Family
ID=53470495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420853377.7U Expired - Fee Related CN204420124U (en) | 2014-12-29 | 2014-12-29 | A kind of Novel vertical mill shaft of grinding roller bearing sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420124U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090231A (en) * | 2016-08-26 | 2016-11-09 | 江苏海建股份有限公司 | A kind of novel double combination grinding-roll sealing devices |
| CN106610516A (en) * | 2015-10-23 | 2017-05-03 | 中国科学院沈阳自动化研究所 | Optical fiber watertight wall-through member |
| CN108421628A (en) * | 2018-05-17 | 2018-08-21 | 亿利洁能科技(武威)有限公司 | A kind of anti-coal dust device of Roller of Coal Grinder |
-
2014
- 2014-12-29 CN CN201420853377.7U patent/CN204420124U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610516A (en) * | 2015-10-23 | 2017-05-03 | 中国科学院沈阳自动化研究所 | Optical fiber watertight wall-through member |
| CN106090231A (en) * | 2016-08-26 | 2016-11-09 | 江苏海建股份有限公司 | A kind of novel double combination grinding-roll sealing devices |
| CN106090231B (en) * | 2016-08-26 | 2018-08-31 | 江苏海建股份有限公司 | A kind of double combination grinding-roll sealing devices |
| CN108421628A (en) * | 2018-05-17 | 2018-08-21 | 亿利洁能科技(武威)有限公司 | A kind of anti-coal dust device of Roller of Coal Grinder |
| CN108421628B (en) * | 2018-05-17 | 2024-04-02 | 亿利洁能科技(武威)有限公司 | Coal pulverizer grinding roller coal dust preventing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20171229 |