CN111842755A - Oil distribution method for crankshaft bearing - Google Patents
Oil distribution method for crankshaft bearing Download PDFInfo
- Publication number
- CN111842755A CN111842755A CN202010440705.0A CN202010440705A CN111842755A CN 111842755 A CN111842755 A CN 111842755A CN 202010440705 A CN202010440705 A CN 202010440705A CN 111842755 A CN111842755 A CN 111842755A
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- CN
- China
- Prior art keywords
- oil
- bearing
- crankshaft
- hole
- oil seal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/18—Drives for forging presses operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses an oil distribution method of a crankshaft bearing, which comprises a rack of a cold header, a crankshaft, a bearing seat, a bearing cover and a crankshaft bearing, wherein the crankshaft comprises a connecting rod journal and a main journal, the rack is provided with a bearing hole, the bearing seat, the bearing cover, the crankshaft bearing and the bearing hole together form an oil chamber, two ends of the bearing hole are respectively provided with a sealing element and a slow-discharge structure, the sealing element is utilized to prevent lubricating oil from being freely discharged from the oil chamber, the slow-discharge structure comprises an oil blocking structure and an oil discharge structure, the oil blocking structure is used to block the lubricating oil which splashes and flows when the crankshaft and the bearing rotate, the lubricating oil is prevented from being directly splashed from the oil chamber, and the oil discharge structure is used to guide the lubricating oil. According to the oil distribution method for the crankshaft bearing, the sealing element and the slow-release structure are utilized to isolate the oil chamber where the crankshaft bearing is located from other equipment of the cold header, so that oil splashing can be avoided, effective recovery of lubricating oil can be realized, the precision of the cold header is ensured, and the use cost of the equipment is saved.
Description
Technical Field
The invention relates to the field of cold heading processing, in particular to an oil distribution method for a crankshaft bearing.
Background
The cold heading process is a process for extruding and processing metal at normal temperature, because the metal is upset at normal temperature, the cold heading machine for realizing the cold heading process mainly adopts a crankshaft to push a slide block so as to generate enough cold heading force, and for the equipment, parts with relative motion such as a bearing between the crankshaft and a rack, the slide block, the rack and the like need to be lubricated so as to avoid part damage caused by high temperature and friction, thereby avoiding influencing the processing precision and causing economic loss; in some cold heading apparatuses, in order to seek higher precision and better lubrication effect, lubricants with different brands and performances are used in each part, but in these cold heading apparatuses, lubricating oil passages between a crankshaft bearing and a moving part such as a slider are not separated usually, so that lubricating oil in the crankshaft bearing splashes and is mixed into the slider, a frame and other moving parts, and the lubrication of the moving parts other than the crankshaft is adversely affected.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an oil separating method for a crankshaft bearing, which is used for separately separating an oil path of the crankshaft bearing.
In order to achieve the purpose, the oil distribution method of the crankshaft bearing comprises a rack of a cold header, the crankshaft, a bearing seat, a bearing cover and the crankshaft bearing, wherein the crankshaft comprises a connecting rod journal and a main journal, the rack is provided with a bearing hole, the bearing seat, the bearing cover, the crankshaft bearing and the bearing hole form an oil chamber together, the bearing seat is arranged in the bearing hole, the crankshaft bearing is arranged in the bearing seat, and an inner ring of the crankshaft bearing is matched with the crankshaft; the bearing cap is the flange form, and it is set up in the one end of dead eye and is connected fixedly with the bearing frame, the bearing cap includes annular boss, annular boss supports on crankshaft bearing's outer lane terminal surface, is equipped with radial oilhole on crankshaft bearing outer lane, through setting up the oil filler point on the bearing frame and radial oilhole pours into lubricating oil into to crankshaft bearing, sets up sealing member and slow-release structure respectively at the dead eye both ends, utilizes the sealing member to avoid lubricating oil to let out at will from grease chamber, and slow-release structure is including keeping off oily structure and oil extraction structure, uses to keep off oily structure and blocks the lubricating oil that splashes when bent axle and bearing rotate and flow, avoids lubricating oil direct spill from grease chamber, reuses the interior lubricating oil discharge of oil extraction structure guide grease chamber.
In order to facilitate manufacturing and installation, the sealing element comprises a framework oil seal and an oil seal fixing plate, the oil seal fixing plate is fixed at one end of the oil chamber facing to a crankshaft connecting rod journal, the framework oil seal is arranged on the oil seal fixing plate, and the framework oil seal is sleeved on a main journal of a crankshaft; the oil blocking structure of the slow-discharging structure comprises a cover plate arranged on a bearing cover, a through hole for oil discharging is arranged on the cover plate, the diameter of the through hole is larger than that of a main journal of a crankshaft, and lubricating oil injected into a crankshaft bearing is discharged from a gap between the through hole and the crankshaft by utilizing the through hole.
In order to make the installation and to the guide to by discharge fluid in order to make things convenient for, the sealing member include skeleton oil blanket and oil blanket fixed plate, the oil blanket fixed plate is fixed in grease chamber and is served towards crankshaft connecting rod journal, is equipped with the skeleton oil blanket on the oil blanket fixed plate, the skeleton oil blanket overlaps on the main shaft journal of bent axle, the structure of slowly arranging keeps off oil includes at the apron that sets up on the bearing cap and the second skeleton oil blanket of setting between apron and main shaft journal, second skeleton oil blanket and the sealed cooperation of crankshaft main shaft journal, oil discharge structure includes the oil drain port that sets up on the bearing cap, will pour into crankshaft bearing's lubricating oil through the oil drain port and discharge.
The sealing element comprises a cover plate arranged on the bearing cover and a second framework oil seal arranged between the cover plate and the main journal, and the second framework oil seal is in sealing fit with the main journal of the crankshaft; the slow oil discharge structure is arranged at one end of the oil chamber facing to the crankshaft connecting rod journal, the oil blocking structure is an oil hopper fixedly connected with the frame, a shaft hole used for accommodating crankshaft rotation is formed in the oil hopper, the oil discharge structure is arranged at the bottom of the oil hopper, and the oil discharge structure comprises an oil discharge pipe joint.
In order to facilitate installation and reduce the occupation of the installation space of the crankshaft, the sealing element comprises a cover plate arranged on the bearing cover and a second framework oil seal arranged between the cover plate and the main journal, and the second framework oil seal is in sealing fit with the main journal of the crankshaft; the oil blocking structure of the slow oil discharge structure comprises an oil blocking plate arranged at one end of an oil chamber facing a crankshaft connecting rod journal, the oil discharge structure comprises an axle hole used for accommodating crankshaft rotation and arranged on the oil blocking plate, and lubricating oil overflows from the axle hole and is recycled.
According to the oil distribution method for the crankshaft bearing, the sealing element and the slow-release structure are utilized to isolate the oil chamber where the crankshaft bearing is located from other equipment of the cold header, so that oil splashing can be avoided, effective recovery of lubricating oil can be realized, the operation of the cold header is more accurate and stable, the precision of the cold header is improved, and the use cost of the equipment is saved.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus used in example 1 of the oil distribution method of a crankshaft bearing according to the present invention;
FIG. 2 is a schematic view showing the structure of an apparatus used in embodiment 2 of the oil distribution method for a crankshaft bearing according to the present invention;
FIG. 3 is a schematic view showing the structure of an apparatus used in embodiment 3 of the oil distribution method for a crankshaft bearing according to the present invention;
FIG. 4 is a schematic view showing the structure of an apparatus used in embodiment 4 of the oil distribution method for a crankshaft bearing according to the present invention;
fig. 5 is an enlarged schematic view at a in fig. 4.
In the figure: the oil seal structure comprises a frame 1, a crankshaft 2, a bearing seat 3, a bearing cover 4, a crankshaft bearing 5, a framework oil seal 6, a second framework oil seal 7, an oil seal fixing plate 8, an oil discharge pipe 9, a bearing hole 10, an oil hopper 11, an oil discharge pipe joint 12, a shaft hole 13, an oil baffle plate 14, a sleeve 15, a connecting rod journal 20, a main journal 21, an oil filling hole 30, an annular boss 40, a cover plate 41, a through hole 42, an oil discharge port 43 and a radial oil hole 50.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1:
the oil distribution method for the crankshaft bearing described in this embodiment includes, as shown in fig. 1, a frame 1 of a cold heading machine, a crankshaft 2, a bearing block 3, a bearing cap 4, and a crankshaft bearing 5, where the crankshaft 2 includes a connecting rod journal 20 and a main journal 21, the frame 1 is provided with a bearing hole 10, the bearing block 3, the bearing cap 4, the crankshaft bearing 5, and the bearing hole 10 together form an oil chamber, the bearing block 3 is disposed in the bearing hole 10, the crankshaft bearing 5 is disposed in the bearing block 3, and an inner ring of the crankshaft bearing 5 is matched with the crankshaft 2; bearing cap 4 is the flange form, and it is set up in the one end of dead eye 10 and is connected fixedly with bearing frame 3, bearing cap 4 includes annular boss 40, annular boss 40 supports on crankshaft bearing 5's outer lane terminal surface, is equipped with radial oilhole 50 on crankshaft bearing 5 outer lane, through set up oil filler point 30 on bearing frame 3 and radial oilhole 50 pours into lubricating oil into crankshaft bearing 5 into, sets up sealing member and slow-release structure respectively at dead eye 10 both ends, utilizes the sealing member to avoid lubricating oil to let out at will from the grease chamber in, and slow-release structure is including keeping off oily structure and oil extraction structure, uses to keep off oily structure and blocks the lubricating oil that 2 crankshafts and bearing splash and flow when rotating, avoids lubricating oil to directly spill from the grease chamber in, reuses the interior lubricating oil discharge of grease chamber of oil structure guide.
In order to facilitate manufacturing and installation, as shown in fig. 1, the sealing element includes a framework oil seal 6 and an oil seal fixing plate 8, the oil seal fixing plate 8 is fixed on one end of the oil chamber facing a connecting rod journal 20 of the crankshaft 2, the framework oil seal 6 is arranged on the oil seal fixing plate 8, and the framework oil seal 6 is sleeved on a main journal 21 of the crankshaft 2; the oil retaining structure of the slow drain structure includes a cover plate 41 provided on the bearing cover 4, a through hole 42 functioning as an oil drain structure is provided on the cover plate 41, the diameter of the through hole 42 is larger than the diameter of the main journal 21 of the crankshaft 2, and the lubricating oil injected into the crankshaft bearing 5 is discharged from a gap between the through hole 42 and the crankshaft 2 by the through hole 42.
In this embodiment, the oil seal fixing plate 8 is fixed on the bearing seat 3, and a sleeve 15 for fixing the crankshaft bearing 5 is further provided on the main journal 21 of the crankshaft 2.
According to the oil distribution method for the crankshaft bearing, the sealing element and the slow-release structure are utilized, the oil chamber where the crankshaft bearing 5 is located is isolated from other equipment of the cold header, splashing of oil can be avoided, the operation of the cold header is more accurate and stable, and the precision of the cold header is improved.
Example 2:
the method for distributing oil for a crankshaft bearing described in this embodiment, as shown in fig. 2, differs from embodiment 1 in that, for convenience of manufacturing and installation and guiding of discharged oil, the sealing element includes a skeleton oil seal 6 and an oil seal fixing plate 8, the oil seal fixing plate 8 is fixed on one end of an oil chamber facing a connecting rod journal 20 of a crankshaft 2, the skeleton oil seal 6 is arranged on the oil seal fixing plate 8, the skeleton oil seal 6 is sleeved on a main journal 21 of the crankshaft 2, the oil blocking structure of the slow-discharge structure includes a cover plate 41 arranged on a bearing cover 4 and a second skeleton oil seal 7 arranged between the cover plate 41 and the main journal 21, the second skeleton oil seal 7 is in sealing fit with the main journal 21 of the crankshaft 2, and the oil discharge structure includes an oil discharge port 43 arranged on the bearing cover 4, and lubricating oil injected into the crankshaft bearing 5 is discharged through the oil discharge port 43.
In this embodiment, as shown in fig. 2, the sleeve 15 is disposed on the main journal 21, and since the length of the sleeve 15 is long and passes through the through hole 42, the aperture of the through hole 42 needs to be larger than the outer diameter of the sleeve 15, and at this time, the second framework oil seal 7 is in sealing fit with the sleeve 15.
It will be appreciated that the present embodiment provides only a preferred arrangement and that the second frame oil seal 7 may of course be in sealing engagement directly with the main journal 21 itself when the sleeve 15 is relatively short.
Unlike embodiment 1, in this embodiment, as shown in fig. 2, both ends of the oil chamber are completely closed, and oil is discharged only through the oil discharge port 43 of the bearing cover 4, so that oil discharge is more concentrated, and in actual operation, the oil discharge pipe 9 can be connected to the oil discharge port 43, and the lubricating oil can be collected and recycled through the oil discharge pipe 9.
The oil distribution method for the crankshaft bearing can effectively recycle lubricating oil and save the use cost of equipment.
Example 3:
the present embodiment describes an oil distribution method for a crankshaft bearing, as shown in fig. 3, which is different from embodiment 1 in that the sealing member includes a cover plate 41 disposed on the bearing cover 4 and a second skeleton oil seal 7 disposed between the cover plate 41 and the main journal 21, and the second skeleton oil seal 7 is in sealing engagement with the main journal 21 of the crankshaft 2; the slow-discharging structure is arranged at one end of a connecting rod journal 20 of an oil chamber facing a crankshaft 2, wherein the oil blocking structure is an oil hopper 11 fixedly connected with a rack 1, the oil hopper 11 is provided with a shaft hole 13 used for accommodating the crankshaft 2 to rotate, the bottom of the oil hopper 11 is provided with an oil discharging structure, and the oil discharging structure comprises an oil discharging pipe joint 12.
In the present embodiment, an oil discharge manner different from that in embodiment 1 is adopted, for convenience of description, one end of the oil chamber facing the connecting rod journal 20 of the crankshaft 2 is referred to as an inner side, and the other end of the oil chamber is referred to as an outer side, so that the method adopted in embodiment 1 is inner side sealing and outer side oil discharge, while the method adopted in the present embodiment is outer side sealing and inner side oil discharge, and the collection of the lubricating oil splashed and flowing out in the crankshaft bearing 5 is realized by providing the oil bucket 11, and the lubricating oil is discharged through the oil discharge pipe joint 12, and in actual use, the oil discharge pipe joint 12 is connected into an oil discharge pipe, so that the.
Example 4:
the method for distributing oil for a crankshaft bearing described in this embodiment, as shown in fig. 4 and 5, differs from embodiment 1 in that, for convenience of installation, the occupation of installation space of the crankshaft 2 is reduced, the seal includes a cover plate 41 disposed on the bearing cover 4 and a second skeleton oil seal 7 disposed between the cover plate 41 and the main journal 21, and the second skeleton oil seal 7 is in sealing fit with the main journal 21 of the crankshaft 2; the oil blocking structure of the slow oil discharge structure comprises an oil blocking plate 14 arranged at one end of an oil chamber facing a crankshaft 2 connecting rod journal 20, the oil discharge structure comprises an axle hole 13 which is arranged on the oil blocking plate 14 and used for accommodating the crankshaft 2 to rotate, and lubricating oil overflows from the axle hole 13 and is recovered.
In this embodiment, the oil baffle plate 14 blocks the splashed lubricating oil, and the lubricating oil is accumulated between the oil chamber and the oil baffle plate 14, and after the lubricating oil overflows from the shaft hole 13, the overflowed lubricating oil can be recovered by a recovery device, such as a recovery tank, so as to prevent the lubricating oil from splashing uncontrollably to other parts of the cold header.
Claims (5)
1. The oil distribution method of the crankshaft bearing comprises a rack (1) of a cold header, a crankshaft (2), a bearing seat (3), a bearing cover (4) and the crankshaft bearing (5), wherein the crankshaft (2) comprises a connecting rod journal (20) and a main journal (21), the rack (1) is provided with a bearing hole (10), the bearing seat (3), the bearing cover (4), the crankshaft bearing (5) and the bearing hole (10) form an oil chamber together, the bearing seat (3) is arranged in the bearing hole (10), the crankshaft bearing (5) is arranged in the bearing seat (3), and an inner ring of the crankshaft bearing (5) is matched with the crankshaft (2); the bearing cover (4) is in a flange shape, is arranged at one end of the bearing hole (10) and is fixedly connected with the bearing seat (3), the bearing cover (4) comprises an annular boss (40), the annular boss (40) is abutted against the end face of the outer ring of the crankshaft bearing (5), the outer ring of the crankshaft bearing (5) is provided with a radial oil hole (50), it is characterized in that lubricating oil is injected into the crankshaft bearing (5) through an oil filling hole (30) arranged on the bearing seat (3) and the radial oil hole (50), set up sealing member and slow arranging structure respectively at dead eye (10) both ends, utilize the sealing member to avoid lubricating oil to let out at will from grease chamber, slow arranging structure is including keeping off oily structure and oil extraction structure, uses and keeps off oily structure and block the lubricating oil that flow splashes when bent axle (2) and bearing rotate, avoids lubricating oil direct spill from grease chamber, reuses the interior lubricating oil discharge of oil extraction structure guide grease chamber.
2. The method for distributing the oil of the crankshaft bearing as claimed in claim 1, wherein the sealing element comprises a framework oil seal (6) and an oil seal fixing plate (8), the oil seal fixing plate (8) is fixed on one end of the oil chamber facing to the connecting rod journal (20) of the crankshaft (2), the framework oil seal (6) is arranged on the oil seal fixing plate (8), and the framework oil seal (6) is sleeved on the main journal (21) of the crankshaft (2); the oil blocking structure of the slow-discharging structure comprises a cover plate (41) arranged on a bearing cover (4), a through hole (42) for oil discharging is formed in the cover plate (41), the diameter of the through hole (42) is larger than that of a main journal (21) of a crankshaft (2), and lubricating oil injected into a crankshaft bearing (5) is discharged from a gap between the through hole (42) and the crankshaft (2) through the through hole (42).
3. The method for distributing oil of a crankshaft bearing as claimed in claim 1, wherein said sealing member comprises a frame oil seal (6) and an oil seal fixing plate (8), the oil seal fixing plate (8) is fixed on one end of the oil chamber facing to a connecting rod journal (20) of the crankshaft (2), a framework oil seal (6) is arranged on the oil seal fixing plate (8), the framework oil seal (6) is sleeved on a main journal (21) of the crankshaft (2), the oil blocking structure of the slow drainage structure comprises a cover plate (41) arranged on the bearing cover (4) and a second framework oil seal (7) arranged between the cover plate (41) and the main journal (21), the second framework oil seal (7) is in sealing fit with a main journal (21) of the crankshaft (2), the oil discharge structure comprises an oil discharge port (43) arranged on the bearing cover (4), the lubricating oil injected into the crankshaft bearing (5) is discharged through the oil discharge port (43).
4. The method of claim 1, wherein the sealing element comprises a cover plate (41) arranged on the bearing cover (4) and a second framework oil seal (7) arranged between the cover plate (41) and the main journal (21), and the second framework oil seal (7) is in sealing fit with the main journal (21) of the crankshaft (2); slow row structure set up in the one end of grease chamber towards bent axle (2) connecting rod axle journal (20), wherein the fender oil structure be connected fixed oil fill (11) with frame (1), be equipped with on oil fill (11) and be used for holding bent axle (2) pivoted shaft hole (13), be equipped with in oil fill (11) bottom the oil extraction structure, the oil extraction structure includes oil extraction coupling (12).
5. The method of claim 1, wherein the sealing element comprises a cover plate (41) arranged on the bearing cover (4) and a second framework oil seal (7) arranged between the cover plate (41) and the main journal (21), and the second framework oil seal (7) is in sealing fit with the main journal (21) of the crankshaft (2); the oil blocking structure of the slow oil discharge structure comprises an oil blocking plate (14) arranged at one end of an oil chamber facing a connecting rod journal (20) of a crankshaft (2), the oil discharge structure comprises an oil blocking plate (14) which is provided with a shaft hole (13) used for accommodating the crankshaft (2) to rotate, and lubricating oil overflows from the shaft hole (13) and is recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440705.0A CN111842755A (en) | 2020-05-22 | 2020-05-22 | Oil distribution method for crankshaft bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440705.0A CN111842755A (en) | 2020-05-22 | 2020-05-22 | Oil distribution method for crankshaft bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111842755A true CN111842755A (en) | 2020-10-30 |
Family
ID=72985818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010440705.0A Pending CN111842755A (en) | 2020-05-22 | 2020-05-22 | Oil distribution method for crankshaft bearing |
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| Country | Link |
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| CN (1) | CN111842755A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378236A (en) * | 2021-12-21 | 2022-04-22 | 青岛宏达锻压机械有限公司 | Die forging press crankshaft connecting rod structure and die forging press |
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| US5221147A (en) * | 1991-03-30 | 1993-06-22 | J.M. Voith Gmbh | Bearing case for a multiple-row antifriction bearing |
| US6308621B1 (en) * | 1999-06-14 | 2001-10-30 | Heidelberger Druckmaschinen Ag | Roller bearing lubrication system and method |
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| JP2017034795A (en) * | 2015-07-30 | 2017-02-09 | 株式会社日立産機システム | Rotary electric machine |
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2020
- 2020-05-22 CN CN202010440705.0A patent/CN111842755A/en active Pending
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|---|---|---|---|---|
| US5221147A (en) * | 1991-03-30 | 1993-06-22 | J.M. Voith Gmbh | Bearing case for a multiple-row antifriction bearing |
| US6308621B1 (en) * | 1999-06-14 | 2001-10-30 | Heidelberger Druckmaschinen Ag | Roller bearing lubrication system and method |
| CN105570318A (en) * | 2014-04-12 | 2016-05-11 | 方义飞 | Bearing block, system for cleaning oil chamber of bearing block, mineral engineering machine and engineering machine |
| CN203962706U (en) * | 2014-05-30 | 2014-11-26 | 双龙集团上海防爆电机盐城有限公司 | A kind of note oil extraction bearing cap with slowly-releasing oil extraction function |
| JP2017034795A (en) * | 2015-07-30 | 2017-02-09 | 株式会社日立産機システム | Rotary electric machine |
| CN207049208U (en) * | 2017-11-17 | 2018-02-27 | 湛江包装材料企业有限公司 | A kind of BOPP film edge recycling disintegrating machine oil-stain-preventing bearing arrangement |
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| Title |
|---|
| 刘庶民: "《机床改造的思路与实用技术》", 31 October 1993, 机械工业出版社 * |
| 谢双义等: "《机械设计基础 任务驱动》", 31 January 2017, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378236A (en) * | 2021-12-21 | 2022-04-22 | 青岛宏达锻压机械有限公司 | Die forging press crankshaft connecting rod structure and die forging press |
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Application publication date: 20201030 |
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| RJ01 | Rejection of invention patent application after publication |