CN112503102A - Couch roll bearing lubricating structure - Google Patents
Couch roll bearing lubricating structure Download PDFInfo
- Publication number
- CN112503102A CN112503102A CN202011373078.XA CN202011373078A CN112503102A CN 112503102 A CN112503102 A CN 112503102A CN 202011373078 A CN202011373078 A CN 202011373078A CN 112503102 A CN112503102 A CN 112503102A
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- CN
- China
- Prior art keywords
- bearing
- bearing box
- lubricating oil
- shaft
- head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/10—Suction rolls, e.g. couch rolls
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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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
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention belongs to the technical field of papermaking mechanical equipment, and relates to a couch roll bearing lubricating structure which comprises a roll head, wherein a bearing box is arranged in a cavity at the end part of the roll head, an internal bearing is arranged in the bearing box, an inner ring of the internal bearing is sleeved on a shaft sleeve, an inner hole of the shaft sleeve is matched with a shaft, a nozzle is arranged at the end part of the inner side of the shaft, the front end of the nozzle is matched and arranged in an inner hole at the end part of the inner side of the shaft sleeve, a bearing box cover is matched and arranged on the bearing box, a shaft head is arranged at the outer end of the bearing box cover, the shaft head is fixedly connected with a water-; a first lubricating oil channel is arranged on the roller head, the first lubricating oil channel is communicated with an oil inlet channel on the bearing box, and the oil inlet channel is communicated with an inner cavity of the bearing box. This lubricating structure adopts the fluid lubrication, and the oil duct is arranged rationally, can realize quick effective lubrication.
Description
Technical Field
The invention belongs to the technical field of papermaking mechanical equipment, and relates to a couch roll bearing lubricating structure.
Background
The paper making machine has wide application in the paper making industry, the vacuum water-absorbing couch roll power side bearing in the existing paper making machine adopts grease lubrication, a grease lubrication structure needs to regularly open a bearing box cover to add lubricating grease, and the problems of complex operation and low efficiency exist.
Disclosure of Invention
Aiming at the problems, the invention provides a couch roll bearing lubricating structure which adopts oil for lubrication, has reasonable oil passage arrangement and can realize quick and effective lubrication.
According to the technical scheme of the invention: a couch roll bearing lubricating structure is characterized in that: the roll comprises a roll head, wherein a bearing box is arranged in a cavity at the end part of the roll head, an internal bearing is arranged in the bearing box, an inner ring of the internal bearing is sleeved on a shaft sleeve, a shaft is arranged in a matching way in an inner hole of the shaft sleeve, a nozzle is arranged at the end part of the inner side of the shaft, the front end of the nozzle is arranged in a matching way in the inner hole of the end part of the inner side of the shaft sleeve, a bearing box cover is arranged in a matching way in the bearing box, a shaft head is arranged at the outer end of the bearing box cover, the shaft head is;
a first lubricating oil channel is arranged on the roller head, the first lubricating oil channel is communicated with an oil inlet channel on the bearing box, and the oil inlet channel is communicated with an inner cavity of the bearing box.
As a further improvement of the invention, the shaft head is connected with the bearing box cover in a clamping manner, the shaft head is sleeved with a first sealing ring, and a sealing lip of the first sealing ring abuts against the end face of the bearing box cover.
As a further improvement of the invention, the shaft sleeve and the bearing box cover are sealed by a second sealing ring, and a sealing lip of the second sealing ring is pressed on the bearing box cover.
As a further improvement of the invention, a second lubricating oil channel is also arranged on the roller head and is used for carrying out oil-through lubrication on rotating parts arranged on the circumferential surface of the roller head.
As a further improvement of the present invention, the first lubricating oil passage includes a first lubricating oil passage oil inlet portion, a first lubricating oil passage first branch oil passage, and a first lubricating oil passage second branch oil passage, the first lubricating oil passage oil inlet portion communicates the first lubricating oil passage first branch oil passage and the first lubricating oil passage second branch oil passage, and the first lubricating oil passage first branch oil passage communicates the oil inlet passage.
As a further improvement of the invention, the rotating part comprises an external bearing, the inner ring of the external bearing is fixed on the conical surface of the outer ring of the roller head and is limited and fixed by an inner ring positioning block, the outer ring of the external bearing is provided with a rotating box body, and the rotating box body synchronously rotates along with the outer ring of the external bearing.
The invention has the technical effects that: the product of the invention has reasonable and ingenious structure, and is purposefully improved aiming at the problems of the prior product adopting grease lubrication, so that the product can realize efficient and convenient lubrication operation; due to the reasonable layout of the lubricating oil channel, the oil can be fed through the oil inlet of the first lubricating oil channel, and the internal bearing and the external bearing can be lubricated simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In fig. 1, the roll head comprises a nozzle 1, a shaft sleeve 2, a bearing box 3, a bearing box cover 4, a roll head 5, a first lubricating oil channel 6, a first lubricating oil channel oil inlet part 6-1, a first lubricating oil channel first branch oil channel 6-2, a first lubricating oil channel second branch oil channel 6-3, a second lubricating oil channel 7, an internal bearing 8, a shaft 9, a shaft head 10, a water absorption couch roll body 11, an oil inlet channel 12, a first sealing ring 13, a second sealing ring 14, an external bearing 15, a rotating box body 16, an inner ring positioning block 17 and the like.
As shown in figure 1, the invention relates to a couch roll bearing lubricating structure, which comprises a roll head 5, wherein a bearing box 3 is arranged in a cavity at the end part of the roll head 5, an internal bearing 8 is arranged in the bearing box 3, an inner ring of the internal bearing 8 is sleeved on a shaft sleeve 2, a shaft 9 is arranged in a matching way in an inner hole of the shaft sleeve 2, a nozzle 1 is arranged at the end part of the inner side of the shaft 9, the front end of the nozzle 1 is arranged in the inner hole at the end part of the inner side of the shaft sleeve 2 in a matching way, a bearing box cover 4 is arranged in a matching way in the bearing box 3, a shaft head 10 is arranged at the outer end of the bearing box cover 4, the shaft head 10 is fixedly.
A first lubricating oil channel 6 is arranged on the roller head 5, the first lubricating oil channel 6 is communicated with an oil inlet channel 12 on the bearing box 3, and the oil inlet channel 12 is communicated with an inner cavity of the bearing box 3.
The spindle nose 10 is connected with the bearing box cover 4 in a clamping mode, a first sealing ring 13 is sleeved on the spindle nose 10, and a sealing lip of the first sealing ring 13 abuts against the end face of the bearing box cover 4. The circumferential surface of the spindle head 10 is provided with steps to axially position the first seal ring 13, and the inner circumferential surface of the bearing box cover 4 and the shaft sleeve 2 which are matched with each other is provided with three ring grooves.
The shaft sleeve 2 and the bearing box cover 4 are sealed through a second sealing ring 14, and a sealing lip of the second sealing ring 14 is pressed on the bearing box cover 4. It will be appreciated that the surface of the sleeve 2 is provided with an annular projection to axially locate the second seal ring 14.
The roller head 5 is also provided with a second lubricating oil channel 7, and the second lubricating oil channel 7 is used for conducting oil lubrication on rotating parts arranged on the circumferential surface of the roller head 5.
The first lubricating oil channel 6 comprises a first lubricating oil channel oil inlet part 6-1, a first lubricating oil channel first branch oil path 6-2 and a first lubricating oil channel second branch oil path 6-3, the first lubricating oil channel oil inlet part 6-1 is communicated with the first lubricating oil channel first branch oil path 6-2 and the first lubricating oil channel second branch oil path 6-3, and the first lubricating oil channel first branch oil path 6-2 is communicated with the oil inlet channel 12.
The rotating part comprises an external bearing 15, the inner ring of the external bearing 15 is fixed on the conical surface of the outer ring of the roller head 5 and is limited and fixed through an inner ring positioning block 17, the outer ring of the external bearing 15 is provided with a rotating box body 16, and the rotating box body 16 synchronously rotates along with the outer ring of the external bearing 15.
As shown in fig. 1, an oil inlet passage 12 formed in the bearing housing 3 is communicated with a first lubricating oil passage 6 formed in the roller head 5, and an oil outlet end of the oil inlet passage 12 is formed in a flaring structure in actual production; the through hole at the inner end of the shaft sleeve 2 is internally provided with a nozzle 1, the tail end of the nozzle 1 is communicated with an oil duct arranged on the shaft 9, and the through hole is arranged at the tail end of the water absorption couch roll body 11 corresponding to the shaft 9. After oil is introduced into an oil inlet of the first lubricating oil channel 6, the internal bearing 8 and the external bearing 15 can be lubricated simultaneously, the lubrication is convenient, rapid and reliable, and the second lubricating oil channel 7 mainly plays a role in refluxing lubricating oil.
Claims (6)
1. A couch roll bearing lubricating structure is characterized in that: the roller comprises a roller head (5), wherein a bearing box (3) is arranged in a cavity at the end part of the roller head (5), an internal bearing (8) is arranged in the bearing box (3), an inner ring of the internal bearing (8) is sleeved on a shaft sleeve (2), a shaft (9) is arranged in the shaft sleeve (2) in a matching way, a nozzle (1) is arranged at the end part of the inner side of the shaft (9), the front end of the nozzle (1) is arranged in the inner hole at the end part of the inner side of the shaft sleeve (2) in a matching way, a bearing box cover (4) is arranged in the bearing box (3) in a matching way, a shaft head (10) is arranged at the outer end of the bearing box cover (4), the shaft head (10) is fixedly connected with a water absorption couch roller body (11);
set up first lubricated oil duct (6) on roller head (5), oil feed passageway (12) on first lubricated oil duct (6) and bearing box (3) are linked together, and oil feed passageway (12) communicate the inner chamber of bearing box (3).
2. A couch bearing lubrication structure as claimed in claim 1, wherein: the shaft head (10) is connected with the bearing box cover (4) in a clamping mode, the shaft head (10) is sleeved with a first sealing ring (13), and a sealing lip of the first sealing ring (13) abuts against the end face of the bearing box cover (4).
3. A couch bearing lubrication structure as claimed in claim 1, wherein: the shaft sleeve (2) and the bearing box cover (4) are sealed through a second sealing ring (14), and a sealing lip of the second sealing ring (14) is pressed on the bearing box cover (4).
4. A couch bearing lubrication structure as claimed in claim 1, wherein: and a second lubricating oil channel (7) is also arranged on the roller head (5), and the second lubricating oil channel (7) is used for conducting oil lubrication on the rotating parts arranged on the circumferential surface of the roller head (5).
5. A couch bearing lubrication structure as claimed in claim 1, wherein: the first lubricating oil channel (6) comprises a first lubricating oil channel oil inlet portion (6-1), a first lubricating oil channel first branch oil path (6-2) and a first lubricating oil channel second branch oil path (6-3), the first lubricating oil channel oil inlet portion (6-1) is communicated with the first lubricating oil channel first branch oil path (6-2) and the first lubricating oil channel second branch oil path (6-3), and the first lubricating oil channel first branch oil path (6-2) is communicated with an oil inlet channel (12).
6. The couch roll bearing lubrication structure of claim 4, wherein: the rotating part comprises an external bearing (15), the inner ring of the external bearing (15) is fixed on the conical surface of the outer ring of the roller head (5) and is fixed in a limiting manner through an inner ring positioning block (17), the outer ring of the external bearing (15) is provided with a rotating box body (16), and the rotating box body (16) rotates synchronously along with the outer ring of the external bearing (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373078.XA CN112503102A (en) | 2020-11-30 | 2020-11-30 | Couch roll bearing lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011373078.XA CN112503102A (en) | 2020-11-30 | 2020-11-30 | Couch roll bearing lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503102A true CN112503102A (en) | 2021-03-16 |
Family
ID=74968677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011373078.XA Pending CN112503102A (en) | 2020-11-30 | 2020-11-30 | Couch roll bearing lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503102A (en) |
-
2020
- 2020-11-30 CN CN202011373078.XA patent/CN112503102A/en active Pending
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