CN101725703B - Device for effectively lubricating shift bearings in reduction gearbox - Google Patents
Device for effectively lubricating shift bearings in reduction gearbox Download PDFInfo
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- CN101725703B CN101725703B CN 200910227325 CN200910227325A CN101725703B CN 101725703 B CN101725703 B CN 101725703B CN 200910227325 CN200910227325 CN 200910227325 CN 200910227325 A CN200910227325 A CN 200910227325A CN 101725703 B CN101725703 B CN 101725703B
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- gear shaft
- bearings
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Abstract
The invention discloses a device for effectively lubricating shift bearings in a reduction gearbox and relates to the reduction gearbox; a lubricant connecting device is additionally arranged between an end cover of the reduction gearbox and a gear shaft on the basis of the existing assembly structure of the reduction gearbox: a fixed cover 10 is arranged in a middle hole of the end cover 1 of the reduction gearbox, the lower part of the shaft section of the fixed cover is connected with a rotating shaft 13 through a sealing ring a 12, the rotating shaft penetrates a lock washer 14 and the middle hole of a baffle plate 15 and is fixedly connected at the end of the gear shaft 4; and holes are formed at the middle parts of the shaft section of the fixed cover and the rotating shaft; lubricant enters into an axial hole 17 started from one end of the gear shaft 4 and a radial hole 18 of the gear shaft arranged between the paired bearings and penetrates a positioning sleeve hole for entering into space between the paired shift bearings, thereby realizing the lubrication of the shift bearings. The device can effectively meet the requirements on lubrication and temperature decrease required by high-speed operation of the shift bearings, prolong the service life of the bearings and ensure the continuity of the production.
Description
Technical field
The present invention relates to a kind of speed reducer, especially relate to a kind of device of effectively lubricating shift bearings in reduction gearbox.
Background technique
In existing cold rolling mill, speed reducer shift bearings lubricated is uniform boring on gear corresponding to high bottom gear, and a small amount of lubricant oil that splashes when relying on gear operation falls in gear holes, and then lubricated shift bearings; But this kind lubricating system has uncertainty, lubricated shift bearings that can not continuous effective, and in strip of today was produced, the speed of milling train was more and more higher, and namely shift bearings mostly is and runs up; Only depend on this moment gear to splash, fall into oil mass in gear boring, required lubricated and cooling requirement in the time of far can not satisfying shift bearings and run up has caused the shift bearings poor lubrication, temperature is high, bearing is fragile, causes unnecessary loss to production.
Summary of the invention
In order to overcome the deficiency in background technique, the invention provides a kind of device of effectively lubricating shift bearings in reduction gearbox, described device is by boring axial bore at gear shaft terminal, and between the shift bearings of gear shaft external diameter pairing the corresponding position drilling radial hole, described gear shaft external diameter radial hole and gear shaft terminal axial bore connect, lubricant oil enters the gear axis hole by fixed cover hole, the rotary shaft hole on end cover of reduction box, gets final product lubricating bearings; The present invention has effectively satisfied required lubricated and cooling requirement when shift bearings runs up, and has extended bearing working life, has guaranteed the continuity of producing.
For achieving the above object, the present invention adopts following technological scheme:
A kind of device of effectively lubricating shift bearings in reduction gearbox, shift bearings match respectively and are arranged between gear and gear shaft shaft part, and the gearshift bearing inner race coordinates with the corresponding shaft part of gear shaft respectively, and the shifting shaft bearing outer-ring coordinates respectively at bore; And rely on respectively the shaft shoulder location of setting sleeve, gear and gear shaft on the gearshift bearing of pairing is axial; Gear shaft is arranged in speed reducer, and the gear shaft end face is provided with baffle plate and locked spacer; On the basis of existing speed reducer assembly structure, set up lubricant connecting device between end cover of reduction box and gear shaft; Described lubricant connecting device specifically is set to: the fixed cover axle head is arranged in the end cover of reduction box mider hole, the flange plate of fixed cover connects firmly on end cap by screw, fixed cover shaft part bottom connects running shaft by seal ring a, and running shaft passes locked spacer, the baffle plate mider hole connects firmly at gear shaft terminal; Fixed cover shaft part, all perforates of running shaft middle part, and the flange plate mider hole of fixed cover is tapped hole; Fixed cover hole, the rotary shaft hole of lubricant oil by above-mentioned perforation enters the axial bore that starts from gear shaft one end, is arranged on the gear shaft radial hole between the pairing bearing, passes the location trepanning and enters between the gearshift bearing of pairing, realizes the lubricated of gearshift bearing.
The device of described effectively lubricating shift bearings in reduction gearbox, described fixed cover, running shaft mider hole, gear shaft axial bore, gear shaft radial hole connect.
The device of described effectively lubricating shift bearings in reduction gearbox is provided with sealing gasket between fixed cover and end cap end face.
The device of described effectively lubricating shift bearings in reduction gearbox, described seal ring a is arranged in fixed cover, and the rotation axle head passes seal ring a inner ring and is positioned in fixed cover.
The device of described effectively lubricating shift bearings in reduction gearbox is provided with seal ring b between running shaft and gear shaft terminal end face.
The device of described effectively lubricating shift bearings in reduction gearbox, described gear shaft radial hole is along circumferentially symmetrical.
The device of described effectively lubricating shift bearings in reduction gearbox, setting sleeve a, setting sleeve b perforate are along circumferentially symmetrical.
Owing to having adopted technique scheme, the beneficial effect that the present invention has is:
The device of described effectively lubricating shift bearings in reduction gearbox, due to fixed cover, running shaft mider hole, the gear shaft axial bore connects, and gear shaft radial hole and gear shaft terminal axial bore connect, when fixed cover connects lubricated pipe arrangement, lubricant oil enters perforate on gear shaft axial bore, gear shaft radial hole and setting sleeve by fixed cover hole, the rotary shaft hole on end cover of reduction box, gets final product lubricating bearings; The present invention can effectively lubricate shift bearings, and reduces shift bearings due to the temperature that runs up and produce, and has extended the life-span of bearing.
Description of drawings
Fig. 1 is assembly structure schematic diagram of the present invention;
Fig. 2 is Fig. 1 I place partial enlarged drawing;
In figure: 1, end cap; 2, shift bearings a; 3, setting sleeve a; 4, gear shaft; 5, gear a; 6, gear b; 7, shift bearings b; 8, setting sleeve b; 9, gear c; 10, fixed cover; 11, sealing gasket; 12, seal ring a; 13, running shaft; 14, locked spacer; 15, baffle plate; 16, seal ring b; 17, axial bore; 18, radial hole.
Embodiment
Can explain in more detail the present invention by the following examples, disclose purpose of the present invention and be intended to protect all changes and improvements in the scope of the invention, but the present invention be not limited to the following examples;
As shown in Figure 1 and Figure 2, the present invention sets up lubricant connecting device by on the basis of existing speed reducer assembly structure at end cover of reduction box 1 and 4 of gear shafts; The speed reducer assembly structure is: shift bearings a2 pairing is arranged on 4 of gear a5, gear shafts, shift bearings b7 pairing is arranged on 4 of gear c9, gear shafts, shift bearings a2, shift bearings b7 inner ring are positioned at respectively on gear shaft 4, shift bearings a2 outer ring is arranged on gear a5 inner ring, shift bearings b7 outer ring is arranged on gear c9 inner ring, and between the shift bearings a2 of pairing, shift bearings b7 inner ring, setting sleeve a3, setting sleeve b8 is set respectively; Gear shaft 4 ends are provided with locked spacer 14, the baffle plate 15 of fixing by screw, and the gear shaft 4 that is equipped with shift bearings a2, shift bearings b7, gear a5, gear c9 is arranged in speed reducer, and gear shaft 4 two ends are by end cap 1 sealing; The lubricant connecting device concrete structure of setting up is: fixed cover 10 axle heads are arranged in end cover of reduction box 1 mider hole, and the flange plate of fixed cover 10 connects firmly on end cap 1 by screw, and are provided with sealing gasket 11 between fixed cover 10 and end cap 1 end face; Fixed cover 10 lower ends connect running shaft 13, and fixed cover 10 is connected by seal ring a12 with running shaft 13, and the present invention selects lip-type packing, and lip-type packing 12 is arranged in fixed cover 10, and running shaft 13 ends pass lip-type packing 12 inner rings and are positioned in fixed cover 10; Running shaft 13 passes locked spacer 14, baffle plate 15 mider holes connect firmly at gear shaft 4 ends, is provided with seal ring b16 between running shaft 13 and gear shaft 4 end end faces, and the present invention selects O-ring seals; Fixed cover 10, the running shaft 13 equal perforates in middle part, and fixed cover 10 flange plate places are tapped hole; Be provided with the axial bore 17 that begins from axle head in gear shaft 4, and between the shift bearings of gear shaft 4 external diameter pairings, corresponding position, setting sleeve are provided with radial hole 18, described gear shaft external diameter radial hole 18 connects with gear shaft terminal axial bore 17; Described fixed cover 10, running shaft 13 mider holes, gear shaft axial bore 17 connects; Described gear shaft 4 external diameters, setting sleeve a3, setting sleeve b8 perforate are along circumferentially symmetrical.
During use, after tapped hole in the middle part of lubricated pipe arrangement inserts fixed cover 10 end caps, start lubricating fitting, lubricant oil flow through fixed cover 10, running shaft 13 mider holes, gear shaft axial bore 17, gear shaft 4, setting sleeve a3, setting sleeve b8 radial hole 18 flow between the shift bearings b7 of shift bearings a2, pairing of pairing and just can realize lubricating of shift bearings a2, shift bearings b7.
The O RunddichtringO 16 that is pressed between running shaft 13 and gear shaft 4 end faces, the sealing gasket 11 that arranges between fixed cover 10 and end cap 1 end face all plays the effect that prevents leakage of oil; Fixed cover 10 is connected by lip-type packing 12 with running shaft 13, mainly plays the effect of dynamic and static conversion, i.e. lip-type packing 12 is static to be arranged in fixed cover 10, when running shaft 13 rotates and lip-type packing 12 inner ring frictions.
Claims (4)
1. the device of an effectively lubricating shift bearings in reduction gearbox, shift bearings a (2) pairing is arranged on gear a (5), between gear shaft (4), shift bearings b (7) pairing is arranged on gear c (9), between gear shaft (4), shift bearings a (2), shift bearings b (7) inner ring is positioned at respectively on gear shaft (4), shift bearings a (2) outer ring is arranged on gear a (5) inner ring, shift bearings b (7) outer ring is arranged on gear c (9) inner ring, and the shift bearings a (2) of pairing, between shift bearings b (7) inner ring, setting sleeve a (3) is set respectively, setting sleeve b (8), gear shaft (4) end is provided with locked spacer (14), the baffle plate (15) of fixing by screw, the gear shaft (4) that is equipped with shift bearings a (2), shift bearings b (7), gear a (5), gear c (9) is arranged in speed reducer, and gear shaft (4) two ends are by end cover of reduction box (1) sealing, it is characterized in that: set up lubricant connecting device between end cover of reduction box (1) and gear shaft (4), described lubricant connecting device specifically is set to: fixed cover (10) shaft part is arranged in end cover of reduction box (1) mider hole, the flange plate of fixed cover (10) connects firmly on end cover of reduction box (1) by screw, fixed cover (10) shaft part bottom connects running shaft (13) by seal ring a (12), and running shaft (13) passes locked spacer (14), baffle plate (15) mider hole connects firmly at gear shaft (4) and holds, fixed cover (10) shaft part, all perforates of running shaft (13) middle part, and the flange plate mider hole of fixed cover (10) is tapped hole, fixed cover (10) hole of lubricant oil by above-mentioned perforation, running shaft (13) hole enters the axial bore (17) that starts from gear shaft (4) one ends, is arranged on the gear shaft radial hole (18) between the pairing bearing, pass the location trepanning and enter between the gearshift bearing of pairing, realize the lubricated of gearshift bearing, wherein, gear shaft (4) radial hole (18) is along circumferentially symmetrical, and setting sleeve a (3), setting sleeve b (8) perforate are along circumferentially symmetrical.
2. the device of effectively lubricating shift bearings in reduction gearbox according to claim 1, is characterized in that: be provided with sealing gasket (11) between fixed cover (10) and end cover of reduction box (1) end face.
3. the device of effectively lubricating shift bearings in reduction gearbox according to claim 1, described seal ring a (12) is arranged in fixed cover (10), and running shaft (13) end passes seal ring a (12) inner ring and is positioned in fixed cover (10).
4. the device of effectively lubricating shift bearings in reduction gearbox according to claim 1, is characterized in that: be provided with seal ring b (16) between running shaft (13) and gear shaft (4) end end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227325 CN101725703B (en) | 2009-11-27 | 2009-11-27 | Device for effectively lubricating shift bearings in reduction gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910227325 CN101725703B (en) | 2009-11-27 | 2009-11-27 | Device for effectively lubricating shift bearings in reduction gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725703A CN101725703A (en) | 2010-06-09 |
| CN101725703B true CN101725703B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910227325 Active CN101725703B (en) | 2009-11-27 | 2009-11-27 | Device for effectively lubricating shift bearings in reduction gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN101725703B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133511A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Self-lubricating gear shaft |
| CN105299193A (en) * | 2015-11-10 | 2016-02-03 | 成都标建铝业有限公司 | Torque transmission mechanism stable in structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080025249A (en) * | 2006-09-15 | 2008-03-20 | 현대자동차주식회사 | Sleeve of shaft for transmission |
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2009
- 2009-11-27 CN CN 200910227325 patent/CN101725703B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080025249A (en) * | 2006-09-15 | 2008-03-20 | 현대자동차주식회사 | Sleeve of shaft for transmission |
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| Publication number | Publication date |
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| CN101725703A (en) | 2010-06-09 |
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