CN204921698U - Full static pressure base bearing of liquid of ball mill - Google Patents
Full static pressure base bearing of liquid of ball mill Download PDFInfo
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- CN204921698U CN204921698U CN201520538783.9U CN201520538783U CN204921698U CN 204921698 U CN204921698 U CN 204921698U CN 201520538783 U CN201520538783 U CN 201520538783U CN 204921698 U CN204921698 U CN 204921698U
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- static pressure
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Abstract
The utility model discloses a full static pressure base bearing of liquid of ball mill, the barrel both ends of ball mill are equipped with feeding portion and ejection of compact portion, main shaft contracting draws together a pair of slide bearing respectively, it includes the bearing frame, bearing liner and axle bush, first recess has been seted up to the upper surface of bearing frame, bearing liner has seted up a plurality of first through -holes, a plurality of second through -holes have been seted up on the axle bush, a second through -hole link up with coaxial a setting of first through -hole each other, high pressure fuel pipe passes first recess in proper order, a first through -hole and a second through -hole, make axle bush and barrel form confined space, high pressure fuel pipe forms the oil film to the confined space output the high pressrue oil body, make axle bush and barrel contactless. All the time, be in the lubricated state of pure liquid friction between the axle bush of ball mill base bearing and quill shaft, the axle bush of difficult scotch fluid pressure bearing has prolonged the life of equipment, realizes large -scale ball mill and presses slide bearing to the transformation of the full hydrostatic bearing of liquid by the sound, and messenger's ball mill becomes efficient grinding equipment.
Description
Technical field
The utility model relates to mining ball mill equipment, is specifically related to a kind of liquid pitot-static pressure main bearing of pebble mill.
Background technique
At present, domestic mine industry pebble mill block bearing generally adopts hybrid sliding bearing, often persistently overheating.This is because this structure solves the semi-liquid stage of hydrodynamic lubrication in pebble mill low-speed running completely.It is semi-fluid friction between plain bearing bush and axle journal, lubricant oil does not have to form the oil film with enough pressure between axle journal and bearing shell, sliding bearing and axle is caused to be partially formed semi-fluid friction and to produce a large amount of heats, cannot to be pulled away again and to cause, cause bearing shell to generate heat, be out of shape, even there is bearing damage, cause great harm to pebble mill safety in production, also directly affects pebble mill usefulness.
Model utility content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of liquid pitot-static pressure main bearing of pebble mill, all the time neat liquid friction, lubrication state is between the bearing shell of this main bearing of ball grinding mill and quill shaft, the bearing shell not easily abrading hydrodynamic journal liquid polymers extends the working life of equipment, realize large-size ball mill by the transformation of hybrid sliding bearing to liquid pitot-static pressure bearing, make pebble mill become high efficiency milling equipment.
In order to realize, according to these objects of the present utility model and other advantage, providing
A kind of liquid pitot-static pressure main bearing of pebble mill, the cylindrical shell of described pebble mill is horizontally disposed with, described cylindrical shell two ends are in the axial direction respectively equipped with charging portion and discharging portion, described main bearing comprises the pair of sliding bearing of the periphery being set in described charging portion and described discharging portion respectively, for any one sliding bearing, it comprises bearing support, bearing bush body and bearing shell
The upper surface of described bearing support along the circumferential direction offers the first groove holding high-pressure oil pipe, described bearing bush body radially offers multiple described accommodation high-pressure oil pipe first through hole, described bearing shell radially offers the second through hole that multiple and described high-pressure oil pipe is threaded, described second through hole and described first through hole coaxially arrange mutually through, described high-pressure oil pipe is successively through described first groove, described first through hole and described second through hole, described bearing shell and described cylindrical shell is made to form seal space, described high-pressure oil pipe exports high pressure oil body to described seal space and forms oil film, described bearing shell is not contacted with described cylindrical shell.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, the upper surface of described bearing support is concave spherical surface, and the lower surface of described bearing bush body is convex spherical, and described convex spherical and described concave spherical surface are the sphere-contact cooperatively interacted.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, the middle position of the lower surface of described bearing bush body is fixedly connected with arcuate guide key, described feather key and described bearing bush body concentric are arranged, the axial width of the lower surface of described feather key is not more than the axial width of described first groove, and the radial height of described feather key is less than the radial depth of described first groove.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, the both sides lower surface of described bearing bush body being positioned at described feather key along the circumferential direction offer a pair second grooves, for any one the second groove, itself and described first groove are oppositely arranged and equal diameters, form the oil groove holding described high-pressure oil pipe.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, the number of described first through hole and described second through hole is 2, and is symmetricly set on described bearing shell and described bearing bush body respectively, and described first through hole and described second through hole and vertical direction are all in 26 °.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, described bearing shell is that lead bronze alloy is cast, surface roughness < 0.8.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, described bearing bush body is realized by bolts assemblies with being fixedly connected with of described feather key.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, preferably, the two ends of described bearing shell and described bearing bush body are by a pair watt of pressing plate assembling, the two ends of described bearing bush body are fixedly connected with a pair limiting board respectively, the outward edge of described a pair limiting board extends to the upper surface at the two ends of described bearing support respectively, to keep out the swing of described bearing bush body and described bearing shell.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, is provided with the gap that the cylindrical shell that holds described pebble mill moves axially between the axle journal of the described sliding bearing of the periphery of described charging portion and described bearing shell.
Preferably, the liquid pitot-static pressure main bearing of described pebble mill, the oil sources of described high-pressure oil pipe is from the high-pressure system of the described pitot-static pressure petrol station be arranged on the base of described pebble mill.
The utility model at least comprises following beneficial effect:
First, the utility model is respectively at bearing support, bearing bush body and bearing shell have the first groove successively, first through hole and the second through hole, form the base of high-pressure oil pipe by pebble mill to the path of sliding bearing delivered inside high pressure oil, first groove forms oil groove, first through hole and the second through hole form static pressure chamber, the pressure that high pressure oil is assembled in static pressure chamber can impel ball mill barrel lifting until there is oil clearance, fluid freely can overflow from oil clearance, oil clearance can make bearing shell be separated completely with cylindrical shell, make cylindrical shell low speed rotation, work under Hydraulic Static between bearing shell and cylindrical shell,
The second, bearing support and bearing bush body sphere-contact increase area of contact, bearing bush body lower surface is provided with feather key, and embed the upper surface but not contacting the first groove in the first groove, bearing bush body is contacted and to prevent bearing bush body from swinging vertically excessive with bearing support;
Three, a pair first through holes and a pair second through hole symmetrical both sides be located at vertically respectively, and be 26 ° with vertical direction, determine the distribution of the oil outlet of high-pressure oil pipe, make high pressure oil more uniformly to cylindrical shell oil spout, just by the best fulcrum support cylindrical shell of oil body pressure initiation, bearing shell is lead bronze alloy, has high wear resistance at elevated temperature, surface roughness < 0.8, is beneficial to the formation of oil film to be separated bearing shell and cylindrical shell;
Four, feather key and bearing bush body are assembled together by bolt, watt pressing plate by bearing bush body together with Sleeve assembling, realize the interlock of interlock feather key, bearing bush body and bearing shell, the outward edge of limiting board rides on bearing support, limit the circular movement of bearing bush body and bearing shell, to prevent the swing of bearing bush body and bearing shell excessive; Enough axial clearance is had between axle journal and bearing shell, when grinding machine expanded by heating, can to one end free-extension;
Five, the utility model can solve the too high problem of pebble mill middle (center) bearing temperature effectively, its bearing capacity can be made greatly to improve, and it is high to have both reliability, processing temperature is low, the plurality of advantages such as long service life, and then the output of pebble mill can be increased substantially, reduce the power consumption of pebble mill, meet the demand for development that large-size ball mill is worked continuously, energy-efficient, low-carbon (LC) runs largely;
Six, the utility model has novel structure, low investment, the feature such as feasible safe and reliable to operation, easy and simple to handle, has both been suitable for the manufacture of new grinding machine, and has also been suitable for the transformation carrying out old grinding machine.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the sectional arrangement drawing of the liquid pitot-static pressure main bearing of pebble mill described in the utility model;
Fig. 2 is the sectional view of sliding bearing described in the utility model;
The sectional view of Fig. 3 bearing shell 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 shown in Figures 1 to 3, the utility model provides a kind of liquid pitot-static pressure main bearing of pebble mill, the cylindrical shell 3 of described pebble mill is horizontally disposed with, described cylindrical shell 3 two ends are in the axial direction respectively equipped with charging portion 4 and discharging portion 1, described main bearing comprises the pair of sliding bearing 2 of the periphery being set in described charging portion 4 and described discharging portion 1 respectively, for any one sliding bearing 2, it comprises bearing support 21, bearing bush body 22 and bearing shell 23
The upper surface of described bearing support 21 along the circumferential direction offers the first groove holding high-pressure oil pipe 24, described bearing bush body 22 radially offers multiple described accommodation high-pressure oil pipe 24 first through hole, described bearing shell 23 radially offers the second through hole that multiple and described high-pressure oil pipe 24 is threaded, described second through hole and described first through hole coaxially arrange mutually through, described high-pressure oil pipe 24 is successively through described first groove, described first through hole and described second through hole, described bearing shell 23 and described cylindrical shell 3 is made to form seal space, described high-pressure oil pipe 24 exports high pressure oil body to described seal space and forms oil film, described bearing shell 23 is not contacted with described cylindrical shell 3.
In technique scheme, respectively at bearing support 21, bearing bush body 22 and bearing shell 23 have the first groove successively, first through hole and the second through hole, form the base of high-pressure oil pipe 24 by pebble mill to the path of sliding bearing 2 delivered inside high pressure oil, first groove forms oil groove, first through hole and the second through hole form static pressure chamber, the pressure that high pressure oil is assembled in static pressure chamber can impel ball mill barrel 3 lifting until there is oil clearance, fluid freely can overflow from oil clearance, oil clearance can make bearing shell 23 be separated completely with cylindrical shell 3, make cylindrical shell 3 low speed rotation, work under Hydraulic Static between bearing shell 23 and cylindrical shell 3.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the upper surface of described bearing support 21 is concave spherical surface, and the lower surface of described bearing bush body 22 is convex spherical, and described convex spherical and described concave spherical surface are the sphere-contact cooperatively interacted.Bearing support 21 and bearing bush body 22 sphere-contact increase area of contact.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the middle position of the lower surface of described bearing bush body 22 is fixedly connected with arcuate guide key 25, described feather key 25 is arranged with described bearing bush body 22 concentric, the axial width of the lower surface of described feather key 25 is not more than the axial width of described first groove, and the radial height of described feather key 25 is less than the radial depth of described first groove.Bearing bush body 22 lower surface is provided with feather key 25, and embeds the upper surface but not contacting the first groove in the first groove, bearing bush body 22 is contacted and to prevent bearing bush body 22 from swinging vertically excessive with bearing support 21.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the both sides lower surface of described bearing bush body 22 being positioned at described feather key 25 along the circumferential direction offer a pair second grooves, for any one the second groove, itself and described first groove are oppositely arranged and equal diameters, form the oil groove holding described high-pressure oil pipe 24.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the number of described first through hole and described second through hole is 2, and be symmetricly set on described bearing shell 23 and described bearing bush body 22 respectively, described first through hole and described second through hole and vertical direction are all in 26 °.Determine the distribution of the oil outlet of high-pressure oil pipe 24, make high pressure oil more uniformly to cylindrical shell 3 oil spout, just by the best fulcrum support cylindrical shell 3 of oil body pressure initiation.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, described bearing shell 23 is cast for lead bronze alloy, surface roughness < 0.8.Bearing shell 23 is lead bronze alloy, has high wear resistance at elevated temperature, surface roughness < 0.8, is beneficial to the formation of oil film to be separated bearing shell 23 and cylindrical shell 3.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, described bearing bush body 22 is realized by bolts assemblies with described being fixedly connected with of feather key 25.Feather key 25 and bearing bush body 22 are assembled together by bolt, realize the accessory of the arbitrary damage of removable and replaceable, and realize the interlock of feather key 25 and bearing bush body 22.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the two ends of described bearing shell 23 and described bearing bush body 22 are assembled by a pair watt of pressing plate 26, the two ends of described bearing bush body 22 are fixedly connected with a pair limiting board 27 respectively, the outward edge of described a pair limiting board 27 extends to the upper surface at the two ends of described bearing support 21 respectively, to keep out the swing of described bearing bush body and described bearing shell.Feather key 25 and bearing bush body 22 are assembled together by bolt, bearing bush body 22 and bearing shell 23 are assembled together by watt pressing plate 26, realize the interlock of interlock feather key 25, bearing bush body 22 and bearing shell 23, the outward edge of limiting board 27 rides on bearing support 21, limit the circular movement of bearing bush body 22 and bearing shell 23, to prevent the swing of bearing bush body 22 and bearing shell 23 excessive.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, is provided with the gap that the cylindrical shell 3 that holds described pebble mill moves axially between the axle journal of the described sliding bearing 2 of the periphery of described charging portion 4 and described bearing shell 23.Enough axial clearance is had between axle journal and bearing shell 23, when grinding machine expanded by heating, can to one end free-extension.
In another kind of technological scheme, the liquid pitot-static pressure main bearing of described pebble mill, the oil sources of described high-pressure oil pipe 24 is from the high-pressure system of the described pitot-static pressure petrol station 5 be arranged on the base of described pebble mill.Pitot-static pressure petrol station 5 comprises high-pressure system, low service system and PLC control system composition, and described high-pressure system is used for grinder main bearing (each main brasses 23 are provided with 2 oil grooves) static pressure and supports.Described low service system is used for the circulating filtration, cooling etc. of system fluid, and every platform lubricating oil station has two high pressure oil pumps, two low pressure fuel pumps, the using and the reserved, can automatically switch.Be provided with high-pressure oil outlet (4) and the low pressure oil outlet one of band flow control valve.Described PLC control system provides temperature automatically controlled, automatic voltage measurement, malfunction alarm, display and interlock protection function.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, mainly comprises discharging portion 1, main bearing, cylindrical shell 3, charging portion 4, pitot-static pressure petrol station 5.It is characterized in that: the main bearing at described cylindrical shell 3 two ends is liquid pitot-static pressure bearing structure; Described liquid pitot-static pressure bearing structure passes through the high pressure oil of pitot-static pressure petrol station 5 to liquid Full static pressure bearing lubrication, makes discharging portion 1, forms the thicker oil film of one deck between charging portion 4 and the bearing shell 23 of main bearing, realize all-liquid lubrication.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, is characterized in that: the liquid pitot-static pressure bearing structure of described main bearing mainly comprises bearing support 21, feather key 25, bearing bush body 22, bearing shell 23, high-pressure oil pipe 24.Feather key 25 and bearing bush body 22 are with together with bolts assemblies, and bearing shell 23 and bearing bush body 22 are assembled together by watt pressing plate 26, and high-pressure oil pipe 24 is contained on two oilholes of bearing shell 23, is being assembled together by limiting board and bearing support 21.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, is characterized in that: described bearing support 21 top is recessed spheroid, and bearing bush body 22 bottom is convex spheroid, and described concavo-convex spheroid is sphere-contact, and described convex spheroid is sitting in recessed spheroid.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, it is characterized in that: described bearing shell 23 is cast for lead bronze alloy, surface roughness < 0.8, two become on 26 ° of watts of bodies to be provided with static pressure chamber with Vertical direction, high pressure oil is entered thus by high-pressure oil pipe 24, the pressure assembled in static-pressure oil chamber can impel ball mill barrel 3 lifting until there is oil clearance, and fluid freely can overflow from oil clearance; Oil clearance can make bearing shell 23 be separated completely with cylindrical shell 3, makes cylindrical shell 3 low speed rotation, works between bearing shell 23 and cylindrical shell 3 under Hydraulic Static.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, is characterized in that: have enough axial clearance between the axle journal of charging portion 4 and bearing shell 23, when grinding machine expanded by heating, and can to one end free-extension.
Described a kind of liquid pitot-static pressure bearing ball grinding machine, it is characterized in that: pitot-static pressure petrol station 5 comprises high-pressure system, low service system and PLC control system composition, described high-pressure system is used for grinder main bearing 2 (each main brasses 23 are provided with 2 oil grooves) static pressure and supports.Described low service system is used for the circulating filtration, cooling etc. of system fluid, and every platform lubricating oil station has two high pressure oil pumps, two low pressure fuel pumps, the using and the reserved, can automatically switch.Be provided with high-pressure oil outlet (4) and the low pressure oil outlet one of band flow control valve.Described PLC control system provides temperature automatically controlled, automatic voltage measurement, malfunction alarm, display and interlock protection function.
Owing to adopting technological scheme as above, the present invention has following superiority: this liquid pitot-static pressure bearing ball grinding machine, effectively can solve the problem that pebble mill middle (center) bearing temperature is too high, its bearing capacity can be made greatly to improve, and it is high to have both reliability, processing temperature is low, the plurality of advantages such as long service life, and then the output of pebble mill can be increased substantially, reduce the power consumption of pebble mill, meet the demand for development that large-size ball mill is worked continuously, energy-efficient, low-carbon (LC) runs largely.The present invention has novel structure, low investment, the feature such as feasible safe and reliable to operation, easy and simple to handle.Both be suitable for the manufacture of new grinding machine, be also suitable for the transformation carrying out old grinding machine.
This liquid pitot-static pressure bearing ball grinding machine, comprises discharging portion 1, main bearing, cylindrical shell 3, charging portion 4, pitot-static pressure petrol station 5.The main bearing at described cylindrical shell 3 two ends is liquid pitot-static pressure bearing structure; Described liquid pitot-static pressure bearing structure passes through the high pressure oil of pitot-static pressure petrol station 5 to liquid Full static pressure bearing lubrication, makes discharging portion 1, forms the thicker oil film of one deck between charging portion 4 and the bearing shell 23 of main bearing, realize all-liquid lubrication.
Liquid pitot-static pressure bearing ball grinding machine is made up of parts such as discharging portion 1, main bearing, cylindrical shell 3, charging portion 4, pitot-static pressure petrol stations 5.
Main bearing is liquid pitot-static pressure bearing, by bearing support 21, feather key 25, bearing bush body 22, bearing shell 23, and composition such as high-pressure oil pipe 24 grade.During work, high pressure oil injects the static-pressure oil chamber of bearing shell 23 by high-pressure oil pipe 24, and the pressure assembled in static-pressure oil chamber can impel ball mill barrel 3 lifting until there is oil clearance, and fluid freely can overflow from oil clearance; Oil clearance can make bearing shell 23 be separated completely with cylindrical shell 3, makes cylindrical shell 3 low speed rotation, works between bearing shell 23 and cylindrical shell 3 under Hydraulic Static.
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 (10)
1. the liquid pitot-static pressure main bearing of a pebble mill, the cylindrical shell of described pebble mill is horizontally disposed with, described cylindrical shell two ends are in the axial direction respectively equipped with charging portion and discharging portion, described main bearing comprises the pair of sliding bearing of the periphery being set in described charging portion and described discharging portion respectively, for any one sliding bearing, it comprises bearing support, bearing bush body and bearing shell, it is characterized in that
The upper surface of described bearing support along the circumferential direction offers the first groove holding high-pressure oil pipe, described bearing bush body radially offers multiple described accommodation high-pressure oil pipe first through hole, described bearing shell radially offers the second through hole that multiple and described high-pressure oil pipe is threaded, described second through hole and described first through hole coaxially arrange mutually through, described high-pressure oil pipe is successively through described first groove, described first through hole and described second through hole, described bearing shell and described cylindrical shell is made to form seal space, described high-pressure oil pipe exports high pressure oil body to described seal space and forms oil film, described bearing shell is not contacted with described cylindrical shell.
2. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 1, it is characterized in that, the upper surface of described bearing support is concave spherical surface, and the lower surface of described bearing bush body is convex spherical, and described convex spherical and described concave spherical surface are the sphere-contact cooperatively interacted.
3. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 2, it is characterized in that, the middle position of the lower surface of described bearing bush body is fixedly connected with arcuate guide key, described feather key and described bearing bush body concentric are arranged, the axial width of the lower surface of described feather key is not more than the axial width of described first groove, and the radial height of described feather key is less than the radial depth of described first groove.
4. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 3, it is characterized in that, the both sides lower surface of described bearing bush body being positioned at described feather key along the circumferential direction offer a pair second grooves, for any one the second groove, itself and described first groove are oppositely arranged and equal diameters, form the oil groove holding described high-pressure oil pipe.
5. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 4, it is characterized in that, the number of described first through hole and described second through hole is 2, and be symmetricly set on described bearing shell and described bearing bush body respectively, described first through hole and described second through hole and vertical direction are all in 26 °.
6. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 5, it is characterized in that, described bearing shell is that lead bronze alloy is cast, surface roughness < 0.8.
7. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 6, it is characterized in that, described bearing bush body is realized by bolts assemblies with being fixedly connected with of described feather key.
8. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 7, it is characterized in that, the two ends of described bearing shell and described bearing bush body are by a pair watt of pressing plate assembling, the two ends of described bearing bush body are fixedly connected with a pair limiting board respectively, the outward edge of described a pair limiting board extends to the upper surface at the two ends of described bearing support respectively, to keep out the swing of described bearing bush body and described bearing shell.
9. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 8, is characterized in that, is provided with the gap that the cylindrical shell that holds described pebble mill moves axially between the axle journal of the described sliding bearing of the periphery of described charging portion and described bearing shell.
10. the liquid pitot-static pressure main bearing of pebble mill as claimed in claim 9, is characterized in that, the oil sources of described high-pressure oil pipe is from the high-pressure system of the described pitot-static pressure petrol station be arranged on the base of described pebble mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538783.9U CN204921698U (en) | 2015-07-23 | 2015-07-23 | Full static pressure base bearing of liquid of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538783.9U CN204921698U (en) | 2015-07-23 | 2015-07-23 | Full static pressure base bearing of liquid of ball mill |
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| Publication Number | Publication Date |
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| CN204921698U true CN204921698U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538783.9U Expired - Fee Related CN204921698U (en) | 2015-07-23 | 2015-07-23 | Full static pressure base bearing of liquid of ball mill |
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| CN (1) | CN204921698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833951A (en) * | 2016-06-20 | 2016-08-10 | 常州市龙鑫化工机械有限公司 | Ceramic composite cylinder |
| CN109999957A (en) * | 2019-03-07 | 2019-07-12 | 孙红勤 | A kind of multistage vertical type crusher |
-
2015
- 2015-07-23 CN CN201520538783.9U patent/CN204921698U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833951A (en) * | 2016-06-20 | 2016-08-10 | 常州市龙鑫化工机械有限公司 | Ceramic composite cylinder |
| CN109999957A (en) * | 2019-03-07 | 2019-07-12 | 孙红勤 | A kind of multistage vertical type crusher |
| CN109999957B (en) * | 2019-03-07 | 2021-07-30 | 孙红勤 | Multistage vertical crusher |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |