CN201875108U - Lubricating device of high-speed gear-shifting industrial gearbox - Google Patents
Lubricating device of high-speed gear-shifting industrial gearbox Download PDFInfo
- Publication number
- CN201875108U CN201875108U CN2010206081955U CN201020608195U CN201875108U CN 201875108 U CN201875108 U CN 201875108U CN 2010206081955 U CN2010206081955 U CN 2010206081955U CN 201020608195 U CN201020608195 U CN 201020608195U CN 201875108 U CN201875108 U CN 201875108U
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- gear
- distance ring
- lubricated
- lubricating
- power shift
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Abstract
The utility model relates to a lubricating device of a high-speed gear-shifting industrial gearbox. A shifting fork sleeve is arranged on an outer spline arranged at the middle part of a gear shifting gear shaft of the high-speed gear-shifting industrial gearbox, the shifting fork sleeve is engaged with the outer spline through an inner spline, the gear shifting gear shaft is supported on a box body through a bearing, and both ends of the outer spline are respectively provided with a hollow sleeve gearwheel and a hollow sleeve pinion which are respectively supported on the gear shifting gear shaft through two bearings, wherein the lubricating device comprises an oil supply nozzle, a lubricating main oil passage and a lubricating branch oil passage, the lubricating main oil passage is arranged in the center of the gear shifting gear shaft, an oil supply nozzle oil outlet end arranged on a blank cap passes through a press plate and a sealing bearing to be communicated with the lubricating main oil passage, the press plate is connected with the end part of the gear shifting gear shaft through a screw bolt, the sealing bearing is tightly butted against the end part of the gear shifting gear shaft, the lubricating branch oil passage is from the lubricating main oil passage to a distance ring, the distance ring is positioned between two support bearings in the hollow sleeve gearwheel and the hollow sleeve pinion, and an oil hole is formed on the distance ring.
Description
Technical field
This is suitable for the novel lubricating fitting that relates to the inner key position of a kind of high speed gearshift industrial gear case.
Background technique
Gear-box, has got more and more and has been listed in critical components in some large-scale units as a kind of mechanical transmission.The excellent running quality that directly influences whole system of its performance.The power shift gear case has relative low price, and the advantage of the multiple speed ratio of can arranging in pairs or groups is favored by the user.Yet need in the high-revolving unit at some,, in high speed power shift gear case, often occur causing the free gear inner bearing to burn and causing a series of serious security incidents owing to lubricated insufficient because rotor speed is very high.At this situation, through practical test, developed a kind of special lubricating fitting at the industrial gear case of shifting gears at a high speed, this device can efficiently solve the lubrication problem of free gear inner bearing, improved the reliability of gear-box, having expanded its operating range also can long-term work under higher rotating speed.
The model utility content
The purpose of this utility model is: at ubiquitous owing to lubricate insufficient in the existing industrial high rotating speed power shift gear case, cause the free gear inner bearing to burn causing the practical problem of a series of serious security incidents, provide a kind of and be exclusively used in the industrial high rotating speed power shift gear case, to the lubricated device of free gear inner bearing.
The purpose of this utility model is achieved in that a kind of lubricating fitting of high speed gearshift industrial gear case, in the industrial gear case of shifting gears at a high speed, the external splines at power shift gear axle middle part is provided with the shift fork cover, the shift fork cover is by the engagement of internal spline and described external splines, the power shift gear axle by bearings on casing; The external splines two ends are respectively equipped with sky cover gearwheel and empty cover small gear, and they pass through two bearings respectively on the power shift gear axle; It is characterized in that: lubricating fitting comprises fuel oil supply nozzle, lubricated main oil gallery, lubricated branch road oil duct, wherein:
Lubricated main oil gallery is located at power shift gear axle center, the fuel oil supply nozzle oil outlet end that is installed on the stifle passes pressing plate and stuffing box bearing and the communication of lubricated main oil gallery, described pressing plate is connected with the power shift gear shaft end by bolt, and stuffing box bearing is tightly pressed on power shift gear shaft end formation sealing revolute;
To distance ring, between two spring bearings of described distance ring in sky cover gearwheel and empty cover small gear, distance ring is provided with oilhole to lubricated branch road oil duct by lubricated main oil gallery.
In the utility model: described distance ring is provided with annular oil groove, and lubricated branch road oil duct is by the annular oil groove of lubricated main oil gallery to distance ring, and oilhole on the distance ring and annular oil groove are linked up.
In the utility model: described stuffing box bearing is for adopting the deep groove ball bearing of dual face seals C5 play.
In the utility model: the oil inlet end of described fuel oil supply nozzle is provided with pipe joint.
This is suitable for novel advantage and is: adopt stuffing box bearing, make and form the sealing revolute between power shift gear axle and the fuel oil supply nozzle; Owing to by pressing plate stuffing box bearing is tightly pressed on the power shift gear shaft end, has improved the sealing effect of sealing revolute greatly; Because distance ring is provided with annular oil groove, can storage area lubricant oil in the work, guarantee the lubrication effect of spring bearing in the free gear.The utility model is simple and reliable for structure, is easy to processing and fabricating.Lubricating efficiency height, but sufficient lubrication free gear inner bearing improve high workload rotating speed of power shift gear case and reliability thereof.Solved the long-standing technical barrier in the lubricated aspect of such high-speed gear box.
Description of drawings
Fig. 1 is an example structure schematic representation of the present utility model;
Among the figure: 1, pipe joint, 2, baffle plate, 3, stifle, 4, fuel oil supply nozzle, 5, stuffing box bearing, 6, the power shift gear axle, 7, distance ring, 8, empty cover gearwheel, 9, bearing, 10, empty cover small gear, 11 lubricated main oil gallerys, 12, lubricated branch road oil duct.
Embodiment
Accompanying drawing discloses the utility model embodiment's concrete structure without limitation, below in conjunction with accompanying drawing this is suitable for novel being further described.
As seen from Figure 1, in the industrial gear case of shifting gears at a high speed, the external splines at power shift gear axle 6 middle parts is provided with the shift fork cover, and the shift fork cover meshes by internal spline and described external splines, power shift gear axle 6 by bearings on casing; The external splines two ends are respectively equipped with empty cover gearwheel 8 and empty cover small gear 10, and they are supported on the power shift gear axle 6 by two bearings 9 respectively.
The lubricating fitting that relates in the utility model comprises fuel oil supply nozzle 4, lubricated main oil gallery 11, lubricated branch road oil duct 12, wherein: lubricated main oil gallery 11 is located at power shift gear axle 6 centers, fuel oil supply nozzle 4 oil outlet ends that are installed on the stifle 3 pass pressing plate 2 and stuffing box bearing 5 and lubricated main oil gallery 11 communications, described pressing plate 2 is connected with power shift gear axle 6 ends by bolt, and stuffing box bearing 5 is tightly pressed on power shift gear axle 6 ends formation sealing revolute.To distance ring 7, between two spring bearings 9 of described distance ring 7 in sky cover gearwheel 8 and empty cover small gear 10, distance ring 7 is provided with oilhole to described lubricated branch road oil duct 12 by lubricated main oil gallery 11.
In the present embodiment: described distance ring 7 is provided with annular oil groove, and lubricated branch road oil duct 12 is introduced lubricant oil in the annular oil groove of distance ring 7 by lubricated main oil gallery 11, by the oilhole on the distance ring 7 spring bearing 9 is lubricated again.
In the present embodiment: described stuffing box bearing 5 is for adopting the deep groove ball bearing of dual face seals C5 play.The oil inlet end of described fuel oil supply nozzle 4 is provided with pipe joint 1.
Claims (4)
1. the high speed lubricating fitting of industrial gear case of shifting gears, in the industrial gear case of shifting gears at a high speed, the external splines at power shift gear axle middle part is provided with the shift fork cover, and the shift fork cover meshes by internal spline and described external splines, the power shift gear axle by bearings on casing; The external splines two ends are respectively equipped with sky cover gearwheel and empty cover small gear, and they pass through two bearings respectively on the power shift gear axle; It is characterized in that: lubricating fitting comprises fuel oil supply nozzle, lubricated main oil gallery, lubricated branch road oil duct, wherein:
Lubricated main oil gallery is located at power shift gear axle center, the fuel oil supply nozzle oil outlet end that is installed on the stifle passes pressing plate and stuffing box bearing and the communication of lubricated main oil gallery, described pressing plate is connected with the power shift gear shaft end by bolt, and stuffing box bearing is tightly pressed on power shift gear shaft end formation sealing revolute;
To distance ring, between two spring bearings of described distance ring in sky cover gearwheel and empty cover small gear, distance ring is provided with oilhole to lubricated branch road oil duct by lubricated main oil gallery.
2. the lubricating fitting of high speed gearshift industrial gear case according to claim 1, it is characterized in that: described distance ring is provided with annular oil groove, lubricated branch road oil duct is by the annular oil groove of lubricated main oil gallery to distance ring, and oilhole on the distance ring and annular oil groove are linked up.
3. the lubricating fitting of high speed gearshift industrial gear case according to claim 1, it is characterized in that: described stuffing box bearing is for adopting the deep groove ball bearing of dual face seals C5 play.
4. according to the lubricating fitting of the described high speed gearshift of one of claim 1～3 industrial gear case, it is characterized in that: the oil inlet end of described fuel oil supply nozzle is provided with pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206081955U CN201875108U (en) | 2010-11-15 | 2010-11-15 | Lubricating device of high-speed gear-shifting industrial gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206081955U CN201875108U (en) | 2010-11-15 | 2010-11-15 | Lubricating device of high-speed gear-shifting industrial gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875108U true CN201875108U (en) | 2011-06-22 |
Family
ID=44163025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206081955U Expired - Lifetime CN201875108U (en) | 2010-11-15 | 2010-11-15 | Lubricating device of high-speed gear-shifting industrial gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875108U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943816A (en) * | 2012-11-21 | 2013-02-27 | 无锡三虹重工机械设备有限公司 | Fixed shaft structure facilitating bearing oiling |
| CN103032555A (en) * | 2012-10-11 | 2013-04-10 | 龙工(上海)机械制造有限公司 | Idle wheel device for gearbox of loader |
| CN103133511A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Self-lubricating gear shaft |
| CN108700181A (en) * | 2016-02-26 | 2018-10-23 | 株式会社神户制钢所 | The speed reducer of changeable speed |
| CN109596269A (en) * | 2018-12-07 | 2019-04-09 | 中车株洲电机有限公司 | One kind being used for gear-driven bearing lubrication seal test device |
-
2010
- 2010-11-15 CN CN2010206081955U patent/CN201875108U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032555A (en) * | 2012-10-11 | 2013-04-10 | 龙工(上海)机械制造有限公司 | Idle wheel device for gearbox of loader |
| CN102943816A (en) * | 2012-11-21 | 2013-02-27 | 无锡三虹重工机械设备有限公司 | Fixed shaft structure facilitating bearing oiling |
| CN103133511A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Self-lubricating gear shaft |
| CN108700181A (en) * | 2016-02-26 | 2018-10-23 | 株式会社神户制钢所 | The speed reducer of changeable speed |
| CN108700181B (en) * | 2016-02-26 | 2021-05-04 | 株式会社神户制钢所 | Speed reducer capable of switching speed |
| CN109596269A (en) * | 2018-12-07 | 2019-04-09 | 中车株洲电机有限公司 | One kind being used for gear-driven bearing lubrication seal test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Transmission Heavy Machine Tool Co.,Ltd. Assignor: Nanjing Gaote Gear Box Manufacturing Co., Ltd. Contract record no.: 2013320000408 Denomination of utility model: Lubricating device of high-speed gear-shifting industrial gearbox Granted publication date: 20110622 License type: Exclusive License Record date: 20130503 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160623 Address after: 210012 Jiangsu Province, Yuhuatai District of Nanjing City, especially small Jia Ao No. 3 Patentee after: Nanjing High-Speed & Accurate Gear Group Co., Ltd. Address before: 211100 No. 8, Tian Tian Lu, Fang Fang Industrial Park, Jiangning District, Jiangsu, Nanjing Patentee before: Nanjing Gaote Gear Box Manufacturing Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20191011 Address after: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing High Precision Gear Group Co., Ltd. Address before: 210012 No.3, youjiawa, Xiaohang, Yuhuatai District, Nanjing City, Jiangsu Province Patentee before: Nanjing High Precision Gear Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200519 Address after: No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province, 210000 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: 211103 No. 79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |