CN201615328U - Circulation cooling lubricating system of microniser grinding roller bearing - Google Patents
Circulation cooling lubricating system of microniser grinding roller bearing Download PDFInfo
- Publication number
- CN201615328U CN201615328U CN2010201246078U CN201020124607U CN201615328U CN 201615328 U CN201615328 U CN 201615328U CN 2010201246078 U CN2010201246078 U CN 2010201246078U CN 201020124607 U CN201020124607 U CN 201020124607U CN 201615328 U CN201615328 U CN 201615328U
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- oil
- grinding roller
- roller bearing
- return
- gear pump
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Abstract
The utility model discloses a circulation cooling lubricating system of a microniser grinding roller bearing. By installing oil supply intercepting valves and oil supply flow meters on oil supply branches communicated to corresponding grinding roller bearing cavities of an oil supply pipeline, the circulation cooling lubricating system controls oil supply quantity of the grinding roller bearing cavities to lead mutual flow rate of the oil supply branches to be uniform and to lead the oil supply branches to be in normal work state. Besides, the circulation cooling lubricating system adopts a gear pump to perform oil return supply power for an oil return pipeline and assembles a compensation oil way on an oil inlet of the gear pump, and simultaneously a compensation oil intercepting valve is installed on the compensation oil way. By adjusting and controlling oil return flow rate through the compensation oil intercepting valve, lubricating oil is enabled to continuously pass through inside a gear box, thereby avoiding gear pump damage caused by oil return suction of the grinding roller bearing cavities.
Description
Technical field
The utility model relates to a kind of grinding roller bearing oil bath type circulation cooling and lubricating system of vertical mill, belongs to thin oil profit technical field.
Background technique
The grinding pressure of vertical mill is delivered between grinding roller and the mill by the grinding roller bearing, the grinding roller bearing will bear substantial load, especially for the slag vertical mill, grinding pressure than coal grinds, the raw material cement grinding mill is bigger need be provided, bearing is the easily worn part in the grinding roller rotating mechanism, so can the good lubrication of grinding roller bearing proper functioning most important for grinding roller.
At present, what adopt usually is oil bath type circulation cooling thin oil lubricant, in the greasing, for guaranteeing in the bearing bore a certain amount of lubricating oil is arranged, and keep the relatively stable of liquid level, generally all be provided with oil feed line and return line, and the filler opening of described oil feed line and the return opening of return line are arranged in the bearing bore respectively, the height of this return line return opening is determining the height of bearing bore inner fluid face, the return opening of return line is arranged on grinding roller roll shaft end face usually, the rear of return line passes the grinding roller main shaft and enters bearing bore, and this has limited to the position of return opening, can not control the lubricant oil liquid level well and be in suitable height.
In addition, a lubricated main pump is given a plurality of grinding roller bearing bore fuel feeding simultaneously, must guarantee that the flow of every oil feed line is all consistent, otherwise be prone to place's grinding roller bearing bore fuel feeding deficiency, and another place's over feeding overflows.The return opening configuration return line of each bearing bore, in the prior art, as described in Chinese patent 200810122504.5, it draws back the lubrication station fuel tank by adopting jet pump with the lubricant oil in the chamber.And the oil return ability of jet pump is restricted by the main pump flow, therefore, needs the main pump of big flow to cooperate, and is very big to oil station cost impact.
The model utility content
The utility model is at the deficiencies in the prior art, a kind of vertical mill grinding roller bearing circulating cooling system is provided, it carries out oil return power supply in the return line by adopting gear pump, and configuration compensation oil circuit between gear pump filler opening and lubricating oil tank is inhaled empty the damage to avoid gear pump simultaneously.
For realizing above technical purpose, the utility model will be taked following technological scheme:
A kind of vertical mill grinding roller bearing circulation cooling and lubricating system, comprise the lubricant oil fuel tank, oil feed line, more than one grinding roller bearing bore and return line, oil feed line comprises main oil feed pump and the fuel feeding branch road that leads to each grinding roller bearing bore, main oil feed pump filler opening is connected with the lubricant oil fuel tank by fuel supply line, main oil feed pump oil outlet then is communicated with each fuel feeding branch road filler opening by fuel supply line, and the oil outlet of each fuel feeding branch road is communicated with corresponding grinding roller bearing bore by the roll shaft oil supply pipeline that is opened on the roll shaft, in addition, each grinding roller bearing bore all correspondence disposes a return line, described return line filler opening is communicated with the grinding roller bearing bore by the roll shaft oil returning tube that is opened on the roll shaft, the return line oil outlet then is communicated with the lubricant oil fuel tank by return tube, fuel feeding shutoff valve and fuel supply flow rate meter are installed on the described fuel feeding branch road, dispose gear pump on the described return line, this gear pump filler opening is communicated with the roll shaft oil returning tube by return tube, the gear pump oil outlet then is connected with the lubricant oil fuel tank by return tube, and also dispose the compensation oil circuit between gear pump filler opening and the lubricant oil fuel tank, the oily shutoff valve of compensation is installed on this compensation oil circuit simultaneously.
Temperature transducer and oily flood device are installed on the return tube between described gear pump filler opening and the roll shaft oil returning tube.
The filler opening of described roll shaft oil returning tube is taken over arc and is connected.
Described fuel supply flow rate is counted the digital display flowmeter.
According to above technological scheme, can realize following beneficial effect:
1, the utility model is by installing fuel feeding shutoff valve and fuel supply flow rate meter on each bar fuel feeding branch road, then can regulate the fuel feeding shutoff valve to control the fuel delivery of each grinding roller, make that the grinding roller fuel feeding is even, avoid occurring because some grinding roller bearing bore fuel feeding deficiency that the fuel feeding inequality causes, and some grinding roller bearing bore over feeding overflows, and the fuel supply flow rate meter can on-the-spotly show data on flows, is convenient to on-the-spot Flow-rate adjustment, and can monitors each road fuel supply flow rate in real time on middle control computer;
2, the utility model adopts gear pump to carry out oil return power, then compare with jet pump, the gear pump oil return is reliable, with low cost, and the oil return ability is not restricted by the main pump flow, only need to guarantee that the fuel delivery that gear pump flow on every return line is slightly larger than corresponding grinding roller bearing bore gets final product, saved main oil feed pump flow effectively, reduce cost;
3, the utility model is provided with the compensation oil circuit between gear pump filler opening and lubricating oil tank, makes to continue to have lubricant oil to pass through in the gear pump, avoids the oil return of grinding roller bearing bore to inhale empty and gear pump takes place damaging;
4, the utility model is connected with an arc pipe at the filler opening place of grinding roller return tube, be that the interior lubricant oil of grinding roller bearing bore imports return line by this arc pipe, therefore, can be by the arc pipe of different radian specifications be installed, to obtain the return opening of arbitrary height, the design limit that must be positioned at the grinding roller end face with return opening in the prior art is compared, the utility model can design the return opening height arbitrarily, to realize the purpose of lubricant oil liquid level in the control grinding roller bearing bore, be not subjected to the influence of grinding roller bearing bore structure;
5, the circulation of lubricant oil in the grinding roller bearing bore, both played the effect of lubricated grinding roller bearing, the heat that the grinding roller bearing working produces can be taken away cooling bearing, damage of bearings initial stage again, the unusual phenomenon that raises of oil liquid temperature can appear, dispose temperature transducer on the return line, the oil liquid temperature that monitoring is in real time extracted out from bearing bore can accomplish that fault gives warning in advance, and accurately determine unusual grinding roller to occur, prevent that bearing from causing the loss that stops production after badly damaged.
Description of drawings
Fig. 1 is the principle schematic of this lubrication system;
Fig. 2 is that grinding roller bearing bore return tube is arranged schematic representation;
Wherein, 1. lubricant oil fuel tank; 2. main oil feed pump; 3. fuel feeding branch road; 4. fuel feeding shutoff valve; 5. fuel supply flow rate meter; 6. return line; 7. temperature transducer; 8. oily signalling device; 9. gear pump; 10. compensation oil circuit; 11. compensate oily shutoff valve; 12. grinding roller; 13. bearing; 14. roll shaft; 15. roll shaft oil returning tube; 16. roll shaft oil supply pipeline; 17. arc is taken over; 18. return opening;
19. grinding roller bearing bore; 20. roll shaft end face; 21. lubricant oil liquid level.
Embodiment
Accompanying drawing discloses the concrete structure of a kind of implementation column of the utility model without limitation, below in conjunction with accompanying drawing the technical solution of the utility model is further described.
As depicted in figs. 1 and 2, the described vertical mill grinding roller of the utility model embodiment bearing circulation cooling and lubricating system, be applied to four roller vertical mills, comprise lubricant oil fuel tank 1, oil feed line, four grinding roller bearing bores 19 and return line 6, oil feed line comprises main oil feed pump 2 and the fuel feeding branch road 3 that leads to each grinding roller bearing bore 19, fuel feeding branch road 3 is four the tunnel, respectively to four grinding roller bearing bore 19 fuel feeding, all be separately installed with fuel feeding shutoff valve 4 and fuel supply flow rate meter 5 on each bar fuel feeding branch road 3, this fuel supply flow rate meter 5 is the digital display flowmeter, the fuel delivery that is each bar fuel feeding branch road 3 can be regulated by fuel feeding shutoff valve 4, can watch the fuel feeding situation of each bar branch road of monitoring by the digital display flowmeter, wherein, main oil feed pump 2 filler openings are connected with lubricant oil fuel tank 1 by fuel supply line, main oil feed pump 2 oil outlets then are communicated with each fuel feeding branch road 3 filler openings by fuel supply line, and the oil outlet of each fuel feeding branch road 3 is communicated with corresponding grinding roller bearing bore 19 by the roll shaft oil supply pipeline 16 that is opened on the roll shaft 14, in addition, each grinding roller bearing bore 19 all correspondence disposes a return line 6, each bar return line 6 filler opening is communicated with corresponding grinding roller bearing bore 19 by the roll shaft oil returning tube 15 that is opened on the roll shaft 14, return line 6 oil outlets then are communicated with lubricant oil fuel tank 1 by return tube, dispose gear pump 9 on the described return line 6, these gear pump 9 filler openings are communicated with roll shaft oil returning tube 15 by return tube, gear pump 9 oil outlets then are connected with lubricant oil fuel tank 1 by return tube, and also dispose compensation oil circuit 10 between gear pump 9 filler openings and the lubricant oil fuel tank 1, the oily shutoff valve 11 of compensation is installed on this compensation oil circuit 10 simultaneously, compensate oily shutoff valve 11 by regulating this, and then the recirculating oil quantity of control from grinding roller bearing bore 19.
Temperature transducer 7 and oily flood device 8 are installed on the return tube between described gear pump 9 filler openings and the roll shaft oil returning tube 15, can detect by the oil of this return line 6 warm in real time by this temperature transducer 7, can detect temperature at this grinding roller damage of bearings initial stage occurs unusual, play the effect of fault pre-alarming, and observe oily flood device 8, know the oil return situation, when observing oil return and be the gas mixture of half oily half gas, can confirm that fuel delivery and oil pump capacity reach balance in the grinding roller bearing bore 19, oil level is in the critical localisation of return opening among Fig. 2.
As shown in Figure 2, it is grinding roller 12 setting types of vertical mill, the filler opening of described roll shaft oil returning tube 15 is taken over arc and is connected, then the filler opening of arc adapter is the return opening 18 of return line 6, lubricant oil liquid level 21 necessary partially submerged two grinding roller bearings, the height of lubricant oil liquid level 21 is taken over by the arc of design different size by the height decision of return opening 18, can regulate the position of return opening 18 arbitrarily, and then the height of the lubricated liquid level of control.For the grinding roller 12 of different size, must be positioned at the roll shaft end face with return opening in the prior art 18 and compare, reduced design and manufacture difficulty and workload.
Claims (4)
1. vertical mill grinding roller bearing circulation cooling and lubricating system, comprise the lubricant oil fuel tank, oil feed line, more than one grinding roller bearing bore and return line, oil feed line comprises main oil feed pump and the fuel feeding branch road that leads to each grinding roller bearing bore, main oil feed pump filler opening is connected with the lubricant oil fuel tank by fuel supply line, main oil feed pump oil outlet then is communicated with each fuel feeding branch road filler opening by fuel supply line, and the oil outlet of each fuel feeding branch road is communicated with corresponding grinding roller bearing bore by the roll shaft oil supply pipeline that is opened on the roll shaft, in addition, each grinding roller bearing bore all correspondence disposes a return line, described return line filler opening is communicated with the grinding roller bearing bore by the roll shaft oil returning tube that is opened on the roll shaft, the return line oil outlet then is communicated with the lubricant oil fuel tank by return tube, it is characterized in that, fuel feeding shutoff valve and fuel supply flow rate meter are installed on the described fuel feeding branch road, dispose gear pump on the described return line, this gear pump filler opening is communicated with the roll shaft oil returning tube by return tube, the gear pump oil outlet then is connected with the lubricant oil fuel tank by return tube, and also dispose the compensation oil circuit between gear pump filler opening and the lubricant oil fuel tank, the oily shutoff valve of compensation is installed on this compensation oil circuit simultaneously.
2. vertical mill grinding roller bearing circulation cooling and lubricating system according to claim 1 is characterized in that, temperature transducer and oily flood device are installed on the return tube between described gear pump filler opening and the roll shaft oil returning tube.
3. vertical mill grinding roller bearing circulation cooling and lubricating system according to claim 1 and 2 is characterized in that, the filler opening of described roll shaft oil returning tube is taken over arc and is connected.
4. vertical mill grinding roller bearing circulation cooling and lubricating system according to claim 3 is characterized in that described fuel supply flow rate is counted the digital display flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201246078U CN201615328U (en) | 2010-03-05 | 2010-03-05 | Circulation cooling lubricating system of microniser grinding roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201246078U CN201615328U (en) | 2010-03-05 | 2010-03-05 | Circulation cooling lubricating system of microniser grinding roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615328U true CN201615328U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201246078U Expired - Fee Related CN201615328U (en) | 2010-03-05 | 2010-03-05 | Circulation cooling lubricating system of microniser grinding roller bearing |
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| CN (1) | CN201615328U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818104A (en) * | 2012-08-23 | 2012-12-12 | 南京西普水泥工程集团有限公司 | Grinding roller lubricating system of four-roller vertical mill |
| CN106352223A (en) * | 2016-11-11 | 2017-01-25 | 哈尔滨广瀚动力传动有限公司 | Multi-bearing lubricating system |
| CN106402624A (en) * | 2016-10-12 | 2017-02-15 | 山东省农业机械科学研究院 | Bearing lubricating oil intelligent temperature control system and control method |
| CN107362870A (en) * | 2016-05-12 | 2017-11-21 | 南京凯盛国际工程有限公司 | Grinding roller of vertical mill oil return guiding device |
| CN108953394A (en) * | 2018-07-23 | 2018-12-07 | 山西太钢不锈钢股份有限公司 | A kind of thermal environment operating condition external bearings independence air cooling equipment and the operating method that cools down |
| CN112387876A (en) * | 2020-03-20 | 2021-02-23 | 大昌汽车部件(苏州)有限公司 | Lubricating system of lower die mechanism of clamp piston punch press |
-
2010
- 2010-03-05 CN CN2010201246078U patent/CN201615328U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818104A (en) * | 2012-08-23 | 2012-12-12 | 南京西普水泥工程集团有限公司 | Grinding roller lubricating system of four-roller vertical mill |
| CN107362870A (en) * | 2016-05-12 | 2017-11-21 | 南京凯盛国际工程有限公司 | Grinding roller of vertical mill oil return guiding device |
| CN106402624A (en) * | 2016-10-12 | 2017-02-15 | 山东省农业机械科学研究院 | Bearing lubricating oil intelligent temperature control system and control method |
| CN106352223A (en) * | 2016-11-11 | 2017-01-25 | 哈尔滨广瀚动力传动有限公司 | Multi-bearing lubricating system |
| CN106352223B (en) * | 2016-11-11 | 2018-12-18 | 哈尔滨广瀚动力传动有限公司 | A kind of multiple bearing lubricating system |
| CN108953394A (en) * | 2018-07-23 | 2018-12-07 | 山西太钢不锈钢股份有限公司 | A kind of thermal environment operating condition external bearings independence air cooling equipment and the operating method that cools down |
| CN112387876A (en) * | 2020-03-20 | 2021-02-23 | 大昌汽车部件(苏州)有限公司 | Lubricating system of lower die mechanism of clamp piston punch press |
| CN112387876B (en) * | 2020-03-20 | 2022-10-25 | 大昌汽车部件(苏州)有限公司 | Lubricating system of lower die mechanism of clamp piston punch press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 211112 Tianyuan East Road, Jiangning District, Jiangsu, China, No. 368, No. Patentee after: Great Huan Group Co., Ltd Address before: 211112 Tianyuan East Road, Jiangning District, Jiangsu, China, No. 368, No. Patentee before: Jiangsu MounTop Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20160305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |