CN201283302Y - Apparatus for lubricating and cooling main shaft of dry-type ball mill - Google Patents
Apparatus for lubricating and cooling main shaft of dry-type ball mill Download PDFInfo
- Publication number
- CN201283302Y CN201283302Y CNU2008203025212U CN200820302521U CN201283302Y CN 201283302 Y CN201283302 Y CN 201283302Y CN U2008203025212 U CNU2008203025212 U CN U2008203025212U CN 200820302521 U CN200820302521 U CN 200820302521U CN 201283302 Y CN201283302 Y CN 201283302Y
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- Prior art keywords
- oil
- main shaft
- shower
- cooling device
- lubricating
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- Expired - Fee Related
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Abstract
The utility model relates to a lubricating and cooling device of a dry type ball mill, and discloses a lubricating and cooling device of a dry type ball mill main shaft, which can avoid a main shaft from bearing burnout failure. The lubricating and cooling device comprises an oil supply pipe and an oil return pipe which are connected in an oil supply system, wherein the oil supply pipe adopts a spray pipe which is arranged on the upper portion of a main shaft, the spray pipe and the main shaft are arranged in parallel, a plurality of spray holes which are communicated to the inner cavity of the spray pipe are arranged on the pipe wall of the spray pipe, and the spray holes are arrayed along the axial direction of the spray pipe in a line, and the oil return pipe is connected to an oil collecting hole at the bottom of a main bearing shell seat. The oil supply system and the spray pipe are used to continuously spray lubricating oil to the surface of the main shaft, and the lubricating oil is simultaneously used as cooling oil, when the main shaft works, ultra-high temperature rise can not be got, thereby protecting the main bearing shell seat, avoiding failure of bearing burnout, guaranteeing production to smoothly go on, and saving maintenance cost.
Description
Technical field
The utility model relates to a kind of dry ball, especially a kind of dry ball principal axis lubrication cooling device.
Background technology
At present, in the existing dry ball principal axis lubrication and the type of cooling, large-size ball mill generally adopts thin oil to concentrate the oil station lubricated, and small-sized or medium-sized ball mill generally all is to adopt lubricating cup oil dripping or oil ring self-sufficiency to lubricate, main shaft is cast with the band oil ring at spindle nose when monoblock cast, the outer end of band oil ring is provided with oil scraping plate, and oil ring is brought oil the gravity flow of into axle top and lubricated when cylindrical shell rotates.For ring-oil, once starting working, ball mill barrel produces temperature rise and reaches the two ends main shaft rapidly because of the effect of material and steel ball, if use in the area that sunshine is strong, main shaft temperature can reach 93 ℃ when the highest, original cooling and lubricating mode is not enough to take away the on-stream heat that gathers of dry ball, causes the bearing liner burnout phenomenon, and it lubricates and cooling can't be satisfied the operating mode needs at all.In case the serious burning damage accident of ball grinder bush takes place, just must pour out ball section, top mill gets watt, more renews watt or a series of maintenance works such as casting watt lining, machined, bearing shell scraping and test run again, not only time-consuming but also expensive, and to the duration influence greatly, manufacturing enterprise's generation is had a strong impact on.
The utility model content
In order to overcome the deficiency that existing dry ball easily produces main shaft bearing liner burnout fault, technical problem to be solved in the utility model provides a kind of dry ball principal axis lubrication cooling device that can avoid main shaft bearing liner burnout fault.
The technical scheme that its technical problem that solves the utility model adopts is: dry ball principal axis lubrication cooling device, this device comprises fuel feed pump and the oil return pipe that is connected in the oil supply system, described fuel feed pump adopts the shower that is arranged on the main shaft top, the tube wall of shower is provided with the spray apertures that is communicated to the shower inner chamber, and oil return pipe is connected to the oil collect port of main bearing shell seat bottom.
The beneficial effects of the utility model are: constantly be used as cold oil simultaneously to main shaft surface jet lubrication oil and lubricating oil by oil supply system and shower; do not have too high temperature rise when making main shaft work; thereby protected the main bearing shell seat; avoided the fault of bearing liner burnout; ensure carrying out smoothly of producing, saved maintenance cost.
Description of drawings
Fig. 1 is the schematic diagram of existing dry ball principal axis lubrication.
Fig. 2 is a schematic diagram of the present utility model.
Fig. 3 transforms to use schematic diagram of the present utility model on existing dry ball main shaft.
Fig. 4 is the hydraulic schematic diagram of oil supply system.
Be labeled as among the figure, the 1-main shaft, 2-main bearing shell seat, the 2a-oil collect port, 2b-watt of lining, the 3-shower, the 3a-spray apertures, the 4-cooler, the 5-hydraulic pump, the 6-oil return pipe, the 7-oil scraping plate, 8-is with oil ring, 9-fuel tank, 10-thermocouple, 11-temperature control alarm, 12-sealing ring.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1, lubricated and the type of cooling that dry ball is traditional is such, and the skin of main bearing shell seat 2 is a watt lining 2b, and main shaft is cast with band oil ring 7 at spindle nose when monoblock cast, the outer end of band oil ring 7 is provided with oil scraping plate 8, and oil ring is brought oil the gravity flow of into axle top and lubricated when cylindrical shell rotates.Under this kind mode, the oil mass of bringing into during main shaft 1 rotation is limited, so its cooling effect is bad, often causes the fault because of the too high scaling loss main bearing shell of main shaft 1 temperature seat 2.
As Fig. 2, Fig. 3 and shown in Figure 4, dry ball principal axis lubrication cooling device of the present utility model, this device comprises fuel feed pump and the oil return pipe 6 that is connected in the oil supply system, described fuel feed pump adopts the shower 3 that is arranged on main shaft 1 top, the tube wall of shower 3 is provided with the spray apertures 3a that is communicated to shower 3 inner chambers, and oil return pipe 6 is connected to the oil collect port 2a of main bearing shell seat 2 bottoms.Owing to can constantly be used as cold oil simultaneously by oil supply system and shower 3 to main shaft 1 surperficial jet lubrication oil and lubricating oil; do not have too high temperature rise when making main shaft 1 work; thereby protected main bearing shell seat 2; avoided the fault of bearing liner burnout; save maintenance cost, ensured carrying out smoothly of producing.
As shown in Figures 2 and 3, for the evenly lubricated and cooling to main shaft 1, shower 3 should be parallel to main shaft 1 and be provided with, and shower 3 is provided with a plurality of spray apertures 3a, and these a plurality of spray apertures 3a are along the axial word order of shower 3.
As shown in Figures 2 and 3, in order to guarantee abundant cooling, shower 3 can be provided with two and more than.
As shown in Figures 2 and 3, in order to improve the security of lubricating and cooling, also can thermocouple 10 be installed on described main bearing shell seat 2, thermocouple 10 is connected with temperature control alarm 11.When thermocouple 10 monitors main shaft temperature when being higher than alarming value, trigger temperature control alarm 11, temperature control alarm 11 sends alarm signal, reminds operating personnel to handle, for example can adjust the flow and the pressure of oil supply system, thereby the temperature of control main shaft 1 remains in the safe range.
As shown in Figures 2 and 3, in order to guarantee the continuous operation of lubricating and cooling, should be provided with cooler 4 in the described oil supply system, cooler 4 can be arranged on the pipeline between fuel tank 9 and the shower 3, to the lubricating oil cooling in advance that is input to shower 3.
For minimizing equipment drops into, described cooler 4 can adopt water cooler, to utilize water cooling system that general dry ball all carries the lubricating oil of oil supply system is cooled off.
Considering that the cooling of dry ball main shaft is less demanding to the pressure of oil supply system, mainly is that requirement has enough cooling oil masses, and the hydraulic pump 5 of described oil supply system can adopt gear pump, to satisfy the requirement of low oil pressure high flow capacity.
Embodiment:
As shown in Figure 3 and Figure 4, certain 130kW dry ball main shaft is transformed and dry ball principal axis lubrication cooling device of the present utility model on probation, remove the oil scraping plate 8 on the band oil ring 7, two showers 3 are set on the top of main shaft 1, two showers 3 are parallel to main shaft 1 and are provided with, shower 3 is provided with a plurality of spray apertures 3a, these a plurality of spray apertures 3a are along the axial word order of shower 3, oil return pipe 6 is connected to the oil collect port 2a on the main bearing shell seat 2, making lubricating oil flow back to fuel tank 9 recycles, in addition, thermocouple 10 has been installed on main bearing shell seat 2, thermocouple 10 is connected with temperature control alarm 11, selects the gear pump fuel feeding in the oil supply system for use, and the lubricating oil cooling in advance that 4 pairs in cooler is input to shower 3 is set in the oil supply system.
Through test, the operating temperature of main shaft 1 is reduced to about 43 ℃ from original about 93 ℃, and effect is remarkable, has stopped the burning phenomenon of main bearing shell seat 2.
Claims (7)
- [claim 1] dry ball principal axis lubrication cooling device, this device comprises fuel feed pump and the oil return pipe (6) that is connected in the oil supply system, it is characterized in that: described fuel feed pump adopts the shower (3) that is arranged on main shaft (1) top, the tube wall of shower (3) is provided with the spray apertures (3a) that is communicated to shower (3) inner chamber, and oil return pipe (6) is connected to the oil collect port (2a) of main bearing shell seat (2) bottom.
- [claim 2] dry ball principal axis lubrication as claimed in claim 1 cooling device, it is characterized in that: shower (3) is parallel to main shaft (1) setting, shower (3) is provided with a plurality of spray apertures (3a), and these a plurality of spray apertures (3a) are along the axial word order of shower (3).
- [claim 3] dry ball principal axis lubrication as claimed in claim 1 or 2 cooling device is characterized in that: shower (3) has at least two.
- [claim 4] dry ball principal axis lubrication as claimed in claim 1 or 2 cooling device is characterized in that: thermocouple (10) is installed on the described main bearing shell seat (2), and thermocouple (10) is connected with temperature control alarm (11).
- [claim 5] dry ball principal axis lubrication as claimed in claim 1 or 2 cooling device is characterized in that: be provided with cooler (4) in the described oil supply system, cooler (4) is arranged on the pipeline between fuel tank (9) and the shower (3).
- [claim 6] dry ball principal axis lubrication as claimed in claim 1 or 2 cooling device is characterized in that: described cooler (4) adopts water cooler.
- [claim 7] dry ball principal axis lubrication as claimed in claim 1 or 2 cooling device is characterized in that: the hydraulic pump of described oil supply system (5) adopts gear pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203025212U CN201283302Y (en) | 2008-10-22 | 2008-10-22 | Apparatus for lubricating and cooling main shaft of dry-type ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203025212U CN201283302Y (en) | 2008-10-22 | 2008-10-22 | Apparatus for lubricating and cooling main shaft of dry-type ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201283302Y true CN201283302Y (en) | 2009-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203025212U Expired - Fee Related CN201283302Y (en) | 2008-10-22 | 2008-10-22 | Apparatus for lubricating and cooling main shaft of dry-type ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201283302Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716787A (en) * | 2012-06-27 | 2012-10-10 | 济南重工股份有限公司 | Coal mill main bearing lubricating outage protection device |
| CN103111355A (en) * | 2013-03-14 | 2013-05-22 | 四川皇龙智能破碎技术股份有限公司 | Hydraulic cooling device for high temperature calcium carbide crushing machine |
| CN106824408A (en) * | 2017-03-27 | 2017-06-13 | 浏阳市银丰机械制造有限公司 | A kind of radial direction water lift cooling system of ball mill |
| CN108087700A (en) * | 2017-12-18 | 2018-05-29 | 重庆厚全科技发展有限公司 | A kind of fueller |
-
2008
- 2008-10-22 CN CNU2008203025212U patent/CN201283302Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716787A (en) * | 2012-06-27 | 2012-10-10 | 济南重工股份有限公司 | Coal mill main bearing lubricating outage protection device |
| CN102716787B (en) * | 2012-06-27 | 2014-10-22 | 济南重工股份有限公司 | Coal mill main bearing lubricating outage protection device |
| CN103111355A (en) * | 2013-03-14 | 2013-05-22 | 四川皇龙智能破碎技术股份有限公司 | Hydraulic cooling device for high temperature calcium carbide crushing machine |
| CN106824408A (en) * | 2017-03-27 | 2017-06-13 | 浏阳市银丰机械制造有限公司 | A kind of radial direction water lift cooling system of ball mill |
| CN108087700A (en) * | 2017-12-18 | 2018-05-29 | 重庆厚全科技发展有限公司 | A kind of fueller |
| CN108087700B (en) * | 2017-12-18 | 2019-12-03 | 重庆厚全科技发展有限公司 | A kind of fueller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20131022 |