CN202493886U - Grease hydrostatic lubrication system for heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe - Google Patents
Grease hydrostatic lubrication system for heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe Download PDFInfo
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- CN202493886U CN202493886U CN201220072104XU CN201220072104U CN202493886U CN 202493886 U CN202493886 U CN 202493886U CN 201220072104X U CN201220072104X U CN 201220072104XU CN 201220072104 U CN201220072104 U CN 201220072104U CN 202493886 U CN202493886 U CN 202493886U
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- lubrication system
- bearing shoe
- watt
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- 239000004519 grease Substances 0.000 title claims abstract description 90
- 238000005461 lubrication Methods 0.000 title claims abstract description 32
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 25
- 230000003068 static effect Effects 0.000 claims description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000008093 supporting effect Effects 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 abstract description 19
- 230000001050 lubricating effect Effects 0.000 abstract description 10
- 238000004945 emulsification Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000002775 capsule Substances 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 144
- 239000000314 lubricant Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lubricants (AREA)
Abstract
The utility model discloses a grease hydrostatic lubrication system for a heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe. One side of the bearing shoe is regarded as a bearing surface, is provided with a groove-shaped lubricating grease capsule, and is further provided with a grease inlet passage communicated with the lubricating grease capsule, a grease inlet of a grease hydrostatic pressure pump is connected with a grease tank, a grease outlet of the grease hydrostatic pressure pump is connected with a grease inlet of an overflow valve through a pipeline, and a grease outlet of the overflow valve is connected with the grease inlet passage on the bearing shoe through a pipeline. Grease hydrostatic lubrication is utilized in the grease hydrostatic lubrication system for the heavy duty CNC roll grinder center frame bearing shoe, as viscosity of grease is high, and the grease is not prone to leaking, bearing pressure is high. The heavy duty CNC roll grinder center frame bearing shoe is fully lubricated, heating of the bearing shoe is reduced, abrasion of the bearing shoe is reduced, the number of times of replacing the bearing shoe is lowered, and bearing shoe replacing cost is lowered. Since the grease is not recycled, grease pollution and emulsification cannot happen, and the grease does not need replacing. The grease automatically runs between the bearing shoe and a roll neck, the bearing shoe does not need grinding frequently, and therefore sealing performance can also be guaranteed. The grease hydrostatic lubrication system is simple in structure, economical and practical, and due to the low price of the grease, the grease hydrostatic lubrication system is cost saving.
Description
Technical field
The utility model relates to a kind of auxiliary system of heavy-duty numerical control roll grinder, the drier oil hydrostatic lubrication system of particularly a kind of heavy-duty numerical control roll grinder center rest holder watt.
Background technique
At present, the lubrication system of the center rest holder of roll grinder watt all adopts thin oil lubricant, and the filler opening of oil hydraulic pump 3 is connected with oil feeding reservoirs 1 through first filter 2; The oil outlet one tunnel of oil hydraulic pump is connected with the filler opening of second filter 11, and another road is connected with relief valve 6, and second filter is connected with one-way valve 5; One-way valve one tunnel is connected with four throttle valve 8, and another road is connected with pressure relay 7, and four throttle valve are connected with the oil inlet passage 10 of a holder watt respectively; The holder watt oil discharge passage be connected with oil sump tank 9; Pressure gauge 4 is connected with the oil outlet of oil hydraulic pump and shows oil pressure, and this lubrication system adopts thin oil lubricant, variety of problems in long-term using process, occurred:
First: center rest holder watt thin oil lubricant can not solve the heating problem than center rest holder in the regrate roller grinding process watt; Because roll is heavier; Thin oil runs off very fast in holder watt, make can not obtain between Tuo Wa and the roller shoulder lubricated fully, thereby frictional force is increased; Cause holder watt heating serious (temperature is up to 150 °), normally grinding;
Second: the large usage quantity of thin oil, because thin oil more liquid, if in grinding process, contact badly between Tuo Wa and the roller shoulder, a large amount of thin oils that will run off cause the waste of resource;
The 3rd: the center rest holder watt replacement cycle is very fast, because lubricated insufficient, makes holder watt wearing and tearing very fast, for better grinding roller, will constantly change holder watt, thereby increase cost.
To the problems referred to above, adopt thin oil static pressure holder watt minimizing lubricant oil to run off, concrete oil circuit is following: the filler opening of oil hydraulic pump 3 is connected with oil feeding reservoirs 1 through first filter 2; The oil outlet of oil hydraulic pump is connected with one-way valve 5; One-way valve is connected with second filter 11, and second filter one tunnel is connected with eight throttle valve 8, and another road is connected with pressure relay 7; Tuo Wa adopts two oil inlet passage structures; Eight throttle valve are connected with each oil inlet passage 10 of four holders watt respectively, and the oil discharge passage of holder watt is connected with oil sump tank 9, and the liquid outlet place of the liquid outlet of said each throttle valve and second filter is provided with pressure gauge 4 real-time pressure of monitoring oil circuits respectively;
The holder of thin oil static pressure watt in use many problems also occur:
The first, Tuo Wa and roll neck area of contact are less, and the oil film that between two surface of contact, be difficult for to form flows, fluid usually watt ooze out from holder, can't form hydrostatic support, cause roll to rotate;
The second, during grinding roller; Cooling water can be sprayed onto the holder watt on; Water flows into the hydraulic oil of recycle, can contaminated oil with cause oily emulsification, the emulsified liquid that contains dust and other fouls can cause that hydraulic oil is rotten, deterioration, generation greasy filth and sludge; Block conduit and valve, the lubricity of reduction hydraulic oil;
Three, static-pressure system is very high for the turbidity test requirement of oil, and is very dirty from the work roll roll neck that milling train is pulled down, after oil is contaminated; Can make fuel feeding not enough in the blocking filter hole, produce cavitation erosion, vibration and noise take place; Also can influence the reliability and the accuracy of moving between holder watt and roll neck, make sliding position produce wearing and tearing, cause the friction increase of Tuo Wa and roll neck; Tuo Wayi is ground, need often scrape watt and change oil.
The model utility content
In order to remedy above deficiency, the utility model provides the drier oil hydrostatic lubrication system of a kind of heavy-duty numerical control roll grinder center rest holder watt, and the hydrostatic lubrication system of this heavy-duty numerical control roll grinder center rest holder watt adopts grease lubrication; Be difficult for leaking, support pressure is big, can not cause oil pollution and emulsification; Need not to change oil, a holder watt heating reduces, and wearing and tearing reduce; Reduced and changed a watt number of times, practiced thrift the grinding cost.
The utility model for the technological scheme that solves its technical problem and adopt is: the drier oil hydrostatic lubrication system of a kind of heavy-duty numerical control roll grinder center rest holder watt, and a holder watt side that goes up as supporting surface is provided with the lubricated oil sac of groove shape, also is provided with the oil inlet passage that is communicated with lubricated oil sac in the holder watt; Also be provided with oil feeding line, grease static pressure pressure pump and the fuel tank of grease is housed, said oil feeding line comprises pipeline and relief valve, and the oiler of grease static pressure pressure pump is connected with fuel tank; The oil outlet of grease static pressure pressure pump is connected with the filler opening of relief valve through pipeline, and the oil outlet of relief valve is connected with oil inlet passage on holding in the palm watt through pipeline, and the grease of thickness can form mobile oil film between two rubbing surfaces between Tuo Wa and the neck; And the supporting role that plays of the external load of the pressure that utilizes oil film, and oil film itself plays the lubrication to friction pair, grease viscosity is bigger; Be difficult for leaking, support pressure is big, high lubricating effect; The Tuo Wa reduction of generating heat, wearing and tearing reduce, and have reduced and have changed a watt number of times; Practiced thrift the cost of holder watt, during use, even cooling water flows in the holder watt; Because grease does not recycle, so can not cause oil pollution and emulsification, need not to change grease; And grease is automatically break-in between Tuo Wa and roll neck, need not often to scrape watt, and sealability also can be guaranteed.
As the further improvement of the utility model, said oil feeding line also comprises pressure gauge, and said pressure gauge is located on the oil outlet of grease static pressure pressure pump, is convenient to the Real Time Observation oil pressure.
As the further improvement of the utility model, said holder watt is provided with at least two lubricated oil sacs that form loops, and this each lubricated oil sac is interconnected successively, is respectively equipped with oil inlet passage on each lubricated oil sac; Each oil inlet passage is communicated with an oil feeding line respectively, in experiment, has designed the oil sac of multiple structure, and the oil sac of various structures is experimentized; First kind is linear single oil sac structure, and an oil inlet passage is arranged on the oil sac middle position, and second kind for forming single oil sac structure of loop; An oil inlet passage is arranged on the loop, more than the distribution mode of these two kinds of single oil sacs, its effect is all undesirable; After the repetition test test, adopt the innovative design of two oil sacs, two oil-feeds, make oil film even in holder watt surface distributed; High lubricating effect, oil film pressure is big, and supporting effect is good.
As the further improvement of the utility model, the said oil sac structure that assumes diamond in shape respectively, two oil sacs series connection form " 8 " font structures.
As the further improvement of the utility model, on said two oil sacs oil inlet passage lay respectively at two oil sacs each other away from an end.
As the further improvement of the utility model, said grease is the extreme pressure compound lithium base grease.
As the further improvement of the utility model, said grease static pressure pressure pump is electronic dry oil pump.
Below be the actual tests situation, before 67 tons of back-up rolls of mill, according to holding in the palm a watt area of contact that goes up oil sac and support roll neck; Calculate required grease static pressure pressure 25MP; Select 2 25MP grease static pressure pressure pumps (confession leans on the holder of head of a bed side center rest watt lubricated, and confession leans on the tailstock side center rest lubricated), and be equipped with 4 Tuo Wa that amount of grinding is well new; Carry out field experiment then; Certain 2# lithium grease is put into the selected head of a bed side center rest holder watt lubricant grease hydrostatic pumps of leaning on, connect two relief valves, pressure gauge in two outlet ports of pump, and then on the pop-up watt that is connected respectively to headstock side center rest and the lower support tile.Lean on tailstock side center rest holder watt lubricated adopting in the same way to connect.
After pipeline connects, after elder generation makes the grease static pressure with pipeline, owing to there is not load; Manometric reading is very low, and again with on the roll centre frame, just the reading of initiation pressure table has constantly risen has certain fluctuation; Owing to have certain clearance between center rest holder watt and the roll neck, there is part grease static pressure constantly to overflow, along with being on the increase of grease static pressure watt gone up in holder; Just form the grease static pressure film that one deck has certain pressure between Tuo Wa and the roll neck; Manometric reading begins slowly stable, and the grease static pressure that overflows is also fewer and feweri, and the temperature of holder watt also remains on about 45 degree.
Experiment shows: emerging clear extraordinary Iron And Steel Co., Ltd 4300 projects are used existing oil lubricating system grinding machine roll, use oil mass to be: 1 barrel of (160Kg)/3 day, and holder watt breakage is: 1 pair (four)/6 days; Use the grinding machine roll of the grease lubrication system of the utility model, use oil mass to be: 10 liters of extreme pressure compound lithium base grease/3 day; Holder watt breakage is: 1 pair (four)/60 days; Above data show that the utility model has reduced the loss of holder watt greatly, have saved the renewal cost of holder watt, have improved the efficient of grinding; The also relative lubricant oil of the consumption of lubrication oil fat will lack a lot; And it is cheap that the relative lubricant oil of the price of lubricating grease is wanted, and integral body greatly reduces the grinding cost, has improved grinding speed.
The useful technique effect of the utility model is: the utility model adopts grease that the holder of heavy-duty numerical control roll grinder center rest watt is carried out hydrostatic lubrication, because grease viscosity is bigger, is difficult for leaking, and support pressure is big; Lubricated fully a holder watt heating reduces, watt wearing and tearing reduce, and have reduced and have changed a watt number of times, has practiced thrift the cost of holder watt; During use,,,, need not to change oil so can not cause oil pollution and emulsification because grease do not recycle even cooling water flows in the holder watt; Grease is automatically break-in between Tuo Wa and roll neck, need not often to scrape watt, and sealability also can be guaranteed; The grease static-pressure system is simple in structure, and is economical and practical, and grease is cheap, practices thrift cost.
Description of drawings
Fig. 1 is existing holder watt lubrication system schematic diagram;
Fig. 2 is a thin oil static pressure holder watt lubrication system schematic diagram;
The lubrication system schematic diagram of Fig. 3 the utility model;
Fig. 4 is first kind of linear single oil sac structure principle chart;
Fig. 5 is second kind of linear single oil sac structure principle chart;
Fig. 6 is first kind of single oil sac structure principle chart that forms loop;
Fig. 7 is second kind of single oil sac structure principle chart that forms loop;
Fig. 8 is two oil sacs of the utility model, two oil-feed structure principle chart.
Embodiment
Embodiment: the drier oil hydrostatic lubrication system of a kind of heavy-duty numerical control roll grinder center rest holder watt, a holder watt side that goes up as supporting surface is provided with the lubricated oil sac 12 of groove shape, also is provided with the oil inlet passage 10 that is communicated with lubricated oil sac 12 in the holder watt; Also be provided with oil feeding line, grease static pressure pressure pump 13 and the fuel tank 14 of grease is housed, said oil feeding line comprises pipeline and relief valve 6, and the oiler of grease static pressure pressure pump 13 is connected with fuel tank 14; The oil outlet of grease static pressure pressure pump 13 is connected with the filler opening of relief valve 6 through pipeline, and the oil outlet of relief valve 6 is connected with oil inlet passage 10 on holding in the palm watt through pipeline, and the grease of thickness can form mobile oil film between two rubbing surfaces between Tuo Wa and the neck; And the supporting role that plays of the external load of the pressure that utilizes oil film, and oil film itself plays the lubrication to friction pair, grease viscosity is bigger; Be difficult for leaking, support pressure is big, high lubricating effect; The Tuo Wa reduction of generating heat, wearing and tearing reduce, and have reduced and have changed a watt number of times; Practiced thrift the cost of holder watt, during use, even cooling water flows in the holder watt; Because grease does not recycle, so can not cause oil pollution and emulsification, need not to change grease; And grease is automatically break-in between Tuo Wa and roll neck, need not often to scrape watt, and sealability also can be guaranteed.
Said oil feeding line also comprises pressure gauge 4, and said pressure gauge is located on the oil outlet of grease static pressure pressure pump 13, is convenient to the Real Time Observation oil pressure.
Said holder watt is provided with at least two lubricated oil sacs 12 that form loops, and this each lubricated oil sac 12 is interconnected successively, is respectively equipped with oil inlet passage 10 on each lubricated oil sac 12, and each oil inlet passage 10 is communicated with an oil feeding line respectively; In experiment, designed the oil sac 12 of multiple structure, and the oil sac 12 of various structures has been experimentized; First kind is linear single oil sac 12 structures, and an oil inlet passage 10 is arranged on oil sac 12 middle positions, and second kind for forming single oil sac 12 structures of loop; An oil inlet passage 10 is arranged on the loop, more than the distribution mode of these two kinds of single oil sacs 12, its effect is all undesirable; After the repetition test test, adopt the innovative design of two oil sacs 12, two oil-feeds, make oil film even in holder watt surface distributed; High lubricating effect, oil film pressure is big, and supporting effect is good.
Said oil sac 12 structure that assumes diamond in shape respectively, two oil sacs 12 series connection form " 8 " font structures.
On said two oil sacs 12 the oil-feed path 10 lay respectively at two oil sacs 12 each other away from an end.
Said grease is the extreme pressure compound lithium base grease.
Said grease static pressure pressure pump 13 is electronic dry oil pump.
Below be the actual tests situation, before 67 tons of back-up rolls of mill, according to holding in the palm a watt area of contact that goes up oil sac and support roll neck; Calculate required grease static pressure pressure 25MP; Select 2 25MP grease static pressure pressure pumps (confession leans on the holder of head of a bed side center rest watt lubricated, and confession leans on the tailstock side center rest lubricated), and be equipped with 4 Tuo Wa that amount of grinding is well new; Carry out field experiment then; Certain 2# lithium grease is put into the selected head of a bed side center rest holder watt lubricant grease hydrostatic pumps of leaning on, connect two relief valves, pressure gauge in two outlet ports of pump, and then on the pop-up watt that is connected respectively to headstock side center rest and the lower support tile.Lean on tailstock side center rest holder watt lubricated adopting in the same way to connect.
After pipeline connects, after elder generation makes the grease static pressure with pipeline, owing to there is not load; Manometric reading is very low, and again with on the roll centre frame, just the reading of initiation pressure table has constantly risen has certain fluctuation; Owing to have certain clearance between center rest holder watt and the roll neck, there is part grease static pressure constantly to overflow, along with being on the increase of grease static pressure watt gone up in holder; Just form the grease static pressure film that one deck has certain pressure between Tuo Wa and the roll neck; Manometric reading begins slowly stable, and the grease static pressure that overflows is also fewer and feweri, and the temperature of holder watt also remains on about 45 degree.
Experiment shows: emerging clear extraordinary Iron And Steel Co., Ltd 4300 projects are used existing oil lubricating system grinding machine roll, use oil mass to be: 1 barrel of (160Kg)/3 day, and holder watt breakage is: 1 pair (four)/6 days; Use the grinding machine roll of the grease lubrication system of the utility model, use oil mass to be: 10 liters of extreme pressure compound lithium base grease/3 day; Holder watt breakage is: 1 pair (four)/60 days; Above data show that the utility model has reduced the loss of holder watt greatly, have saved the renewal cost of holder watt, have improved the efficient of grinding; The also relative lubricant oil of the consumption of lubrication oil fat will lack a lot; And it is cheap that the relative lubricant oil of the price of lubricating grease is wanted, and integral body greatly reduces the grinding cost, has improved grinding speed.
During actual the use; At first calculate the parameter that needs in the system; Select needed element in the system; Then pipeline is connected, each outlet port of grease static pressure pressure pump 13 connects pressure gauge 4, relief valve 6 respectively, and the oil inlet passage 10 that the oil outlet of relief valve 6 holds in the palm watt through pipeline and a center rest (lean on head of a bed side or lean on the tailstock side) is connected.In order to reach better effect; The two oil sacs 12 of center rest holder watt employing, two oil-feed; Said oil sac 12 structure that assumes diamond in shape respectively, two oil sac 12 series connection form " 8 " font structures and in use will note manometric reading constantly, so that understand the situation that implementation process occurs.
Above-mentioned instance only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the utility model protection domain with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the utility model.
Claims (7)
1. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest holder watt; It is characterized in that: a holder watt side that goes up as supporting surface is provided with the lubricated oil sac (12) of groove shape; The last oil inlet passage (10) that is communicated with lubricated oil sac (12) that also is provided with of Tuo Wa; Also be provided with oil feeding line, grease static pressure pressure pump (13) and the fuel tank (14) of grease is housed, said oil feeding line comprises pipeline and relief valve (6), and the oiler of grease static pressure pressure pump (13) is connected with fuel tank (14); The oil outlet of grease static pressure pressure pump (13) is connected with the filler opening of relief valve (6) through pipeline, and the oil inlet passage (10) on the oil outlet of relief valve (6) passes through pipeline and holds in the palm watt is connected.
2. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 1 holder watt, it is characterized in that: said oil feeding line also comprises pressure gauge (4), said pressure gauge is located on the oil outlet of grease static pressure pressure pump (13).
3. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 1 holder watt; It is characterized in that: said holder watt is provided with at least two lubricated oil sacs (12) that form loops; This each lubricated oil sac (12) is interconnected successively; Be respectively equipped with oil inlet passage (10) on each lubricated oil sac (12), each oil inlet passage (10) is communicated with an oil feeding line respectively.
4. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 3 holder watt is characterized in that: said oil sac (12) structure that assumes diamond in shape respectively, two oil sacs (12) series connection forms " 8 " font structure.
5. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 3 holder watt is characterized in that: said two oil sacs (12) go up oil inlet passage (10) lay respectively at two oil sacs (12) each other away from an end.
6. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 1 holder watt, it is characterized in that: said grease is the extreme pressure compound lithium base grease.
7. the drier oil hydrostatic lubrication system of heavy-duty numerical control roll grinder center rest according to claim 1 holder watt, it is characterized in that: said grease static pressure pressure pump (13) is electronic dry oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220072104XU CN202493886U (en) | 2012-03-01 | 2012-03-01 | Grease hydrostatic lubrication system for heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220072104XU CN202493886U (en) | 2012-03-01 | 2012-03-01 | Grease hydrostatic lubrication system for heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe |
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| Publication Number | Publication Date |
|---|---|
| CN202493886U true CN202493886U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220072104XU Expired - Lifetime CN202493886U (en) | 2012-03-01 | 2012-03-01 | Grease hydrostatic lubrication system for heavy duty computerized numerical control (CNC) roll grinder center frame bearing shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202493886U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292144A (en) * | 2012-03-01 | 2013-09-11 | 昆山华辰机器制造有限公司 | Grease hydrostatic lubrication system for heavy numerical control roll grinder center frame bearing shoe |
| CN104084855A (en) * | 2014-07-15 | 2014-10-08 | 首钢总公司 | Roll grinder static pressure support tile no-pressure protection device and method |
-
2012
- 2012-03-01 CN CN201220072104XU patent/CN202493886U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292144A (en) * | 2012-03-01 | 2013-09-11 | 昆山华辰机器制造有限公司 | Grease hydrostatic lubrication system for heavy numerical control roll grinder center frame bearing shoe |
| CN104084855A (en) * | 2014-07-15 | 2014-10-08 | 首钢总公司 | Roll grinder static pressure support tile no-pressure protection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170802 Address after: 215337, Jiangsu Province, Suzhou City, Kunshan Province Zhou Town, Long Jing Jing Road No. 333 Patentee after: Kunshan Huachen Heavy Machinery Co., Ltd. Address before: 215337 Kunshan City, Suzhou Province town of Zhou Zhou road, No. 12, No. Patentee before: Kunshan Hiecise Machine Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215337, Jiangsu Province, Suzhou City, Kunshan Province Zhou Town, Long Jing Jing Road No. 333 Patentee after: Huachen precision equipment (Kunshan) Limited by Share Ltd Address before: 215337, Jiangsu Province, Suzhou City, Kunshan Province Zhou Town, Long Jing Jing Road No. 333 Patentee before: Kunshan Huachen Heavy Machinery Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
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| CX01 | Expiry of patent term |