CN104373559A - Two-shaft assembly used in speed changer of loader - Google Patents
Two-shaft assembly used in speed changer of loader Download PDFInfo
- Publication number
- CN104373559A CN104373559A CN201410416565.8A CN201410416565A CN104373559A CN 104373559 A CN104373559 A CN 104373559A CN 201410416565 A CN201410416565 A CN 201410416565A CN 104373559 A CN104373559 A CN 104373559A
- Authority
- CN
- China
- Prior art keywords
- speed changer
- loader
- assembly
- gear
- outer ring
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0031—Shaft assemblies for gearings with gearing elements rotatable supported on the shaft
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Disclosed is a two-shaft assembly used in a speed changer of a loader. According to the two-shaft assembly used in the speed changer of the loader, a high-speed gear (14) is arranged on a spline of a spline shaft (16), a clutch assembly B (20) is arranged on one side of the high-speed gear (14), an outer ring gear B (13) is arranged on the peripheral face of the clutch assembly B (20), a bearing C (17) and a bearing D (18) are arranged between the clutch assembly B (20) and the outer ring gear B (13) in a spaced mode to realize the automatic switching function of the two-shaped assembly, thus, machining difficulty and assembly difficulty are lowered, the coaxial assembly precision of the clutch assembly B and the high-speed gear is improved, stress of a pin roller in the clutch assembly B is even, the working performance, the bearing capacity and the reliability of the clutch assembly B are improved, and the number of parts of a two-shaft assembly system is reduced. The two-shaft assembly used in the speed changer of the loader has the advantages of being simple in structure and convenient to maintain, and greatly promotes technical progress of the engineering machinery field and the like.
Description
[technical field]
The present invention relates to mechanical equipment technical field, particularly relate to a kind of two axle assemblies, be specifically related to a kind of for two axle assemblies in loader speed changer.
[background technique]
Known, two axle assemblies are the critical components in loader speed changer, for realizing the automatic conversion of loader low-speed heave-load and high speed light loading operating mode, because two axle assemblies can realize the function that power changes automatically, apply quite general in transmission system of wheel loader.
At present, domestic loader two axle assembly, mostly adopts star-wheel roller-type overrunning clutch assembly, as shown in Figure 1, in two axle assemblies, free wheel device assembly A1 is by bolt 3, nut 4 is connected high speed gear shaft 5 with baffle plate B7, baffle plate A2 is provided with between clutch pack A1 and clutch pack A1, further, the outer edge surface of clutch pack A1 arranges outer ring gear A6, wherein be provided with bearing A8 and bearing B12 between outer ring gear A6 and high speed gear shaft 5, its middle (center) bearing A8 and bearing B12 is separated by separation sleeve 10, bearing B12 carries out axial restraint by shaft block ring A11, bearing A8 passing hole back-up ring 9 carries out axial restraint etc., due to dimensional space restriction, free wheel device assembly A1 coordinates locating face too small with high speed gear shaft 5, the more difficult control of coaxality, cause roller in free wheel device assembly A1 operationally, can not uniform stressed, easily be damaged, thus cause clutch earlier period damage, cause two axle assembly disablers etc., in addition, existing two axle assembly structures and component more, outer ring gear A6 and high speed gear shaft 5 processing technology are complicated, and manufacture cost is high.
[summary of the invention]
For overcoming the deficiency existed in background technique, the invention provides a kind of for two axle assemblies in loader speed changer, the present invention is by being split as splined shaft and high gear by original structure high speed gear shaft, reduce difficulty of processing and assembling difficulty, clutch pack B is coordinated with splined shaft by spline, outer ring gear B is by bearing C and bearings D and clutch pack B location fit, to realize the function that two axle assemblies are changed automatically, it is simple that the present invention has structure, feature easy to maintenance, has promoted the technological progress etc. of engineering machinery field greatly.
For realizing goal of the invention as above, the present invention adopts technological scheme as described below:
A kind of for two axle assemblies in loader speed changer, comprise outer ring gear B, high gear, splined shaft and clutch pack B, the spline of splined shaft is provided with high gear, clutch pack B is provided with in the side of high gear, the outer edge surface of described clutch pack B is provided with outer ring gear B, is interval with bearing C and bearings D and is formed described for two axle assemblies in loader speed changer between clutch pack B and outer ring gear B.
Described for two axle assemblies in loader speed changer, the middle part of described outer ring gear B endoporus is provided with annular boss.
Described for two axle assemblies in loader speed changer, the middle part of described high gear is provided with endoporus, and the inner edge surface of described endoporus is provided with spline, is arranged with annular protrusion platform at the outer of described spline.
Described for two axle assemblies in loader speed changer, the middle part of described splined shaft is provided with oil hole, the outer edge surface of splined shaft is provided with at least one tap hole perpendicular to oil hole, the corresponding clutch pack B of described tap hole.
Described for two axle assemblies in loader speed changer, described bearing C is fixed by high gear.
Described for two axle assemblies in loader speed changer, described bearings D is fixed by baffle plate C.
Adopt technological scheme as above, the present invention has superiority as described below:
Of the present invention a kind of for two axle assemblies in loader speed changer, the present invention is by being split as splined shaft and high gear by original structure high speed gear shaft, reduce difficulty of processing and assembling difficulty, clutch pack B is coordinated with splined shaft by spline, outer ring gear B is by bearing C and bearings D and clutch pack B location fit, to realize the function that two axle assemblies are changed automatically, the assembly precision improving clutch pack B and high gear coaxality can be realized, make roller uniform force in clutch pack B, improve the service behaviour of clutch pack B, bearing capacity and reliability, simplify outer ring gear B simultaneously, the part shape of high gear, reduce difficulty of processing, decrease two axle assembly system parts quantity, reach and effectively reduce the rate of fault of two axle assemblies and the object of cost of production, it is simple that the present invention has structure, feature easy to maintenance, greatly promote the technological progress etc. of engineering machinery field.
[accompanying drawing explanation]
Fig. 1 is existing two axle assembly structural representations;
Fig. 2 is the structural representation of the present invention two axle assembly;
In the drawings: 1, clutch pack A; 2, baffle plate A; 3, bolt; 4, nut; 5, high speed gear shaft; 6, outer ring gear A; 7, baffle plate B; 8, bearing A; 9, hole back-up ring; 10, separation sleeve; 11, shaft block ring A; 12, bearing B; 13, outer ring gear B; 14, high gear; 15, shaft block ring B; 16, splined shaft; 17, bearing C; 18, bearings D; 19, baffle plate C; 20, clutch pack B; 21, tap hole; 22, oil hole.
[embodiment]
Can explain the present invention in more detail by the following examples, the present invention is not limited to the following examples;
A kind of for two axle assemblies in loader speed changer by reference to the accompanying drawings described in 2, comprise outer ring gear B13, high gear 14, splined shaft 16 and clutch pack B20, the middle part of described high gear 14 is provided with endoporus, the inner edge surface of described endoporus is provided with spline, at the outer annular protrusion platform be arranged with for axial restraint bearing C17 inner ring of described spline, the spline of splined shaft 16 is provided with high gear 14, described splined shaft 16 passes through spline joint with high gear 14, or at least two keyways are set on the outer edge surface of splined shaft 16, in the middle part of high gear 14 endoporus inner edge surface on the keyway corresponding with keyway on splined shaft 16 is set, splined shaft 16 is connected by flat key with high gear 14, the present invention is preferred spline joint in implementation process, wherein high gear 14 is fixed on splined shaft 16 by shaft block ring B15,
Further, the splined shaft 16 of high gear 14 side is provided with clutch pack B20, the outer edge surface of described clutch pack B20 is provided with outer ring gear B13, the middle part of described outer ring gear B13 endoporus is provided with the annular boss for axial restraint bearing C17 and bearings D 18, bearing C17 and bearings D 18 is interval with between clutch pack B20 and outer ring gear B13, the inner ring axial position of wherein said bearing C17 is fixed by high gear 14, and the inner ring axial position of described bearings D 18 is fixed by baffle plate C19;
Further, in order to lubricate the roller in clutch pack B20, oil hole 22 is provided with at the middle part of splined shaft 16, the outer edge surface of splined shaft 16 is provided with at least one tap hole 21 perpendicular to oil hole 22, and the roller in described tap hole 21 corresponding clutch pack B20 is formed described for two axle assemblies in loader speed changer.
The present invention is in specific implementation process, and first bearing C17 is loaded outer ring gear B13, then clutches assembly B20 and bearings D 18 form parts successively; Use shaft block ring B15 by high gear 14 assembling and positioning on splined shaft 16, then by the parts that assemble along splined shaft 16 axially with high gear 14 assembling and positioning, finally load baffle plate 19, form two complete axle assemblies; During two axle assembly work, exterior power imports high gear 14 and outer ring gear B13 respectively into, when the rotating ratio outer ring gear B13 rotating speed height of high gear 14, clutch pack B20 is in and surmounts state, the power of outer ring gear B13 cannot import into, and the assembly that power is directly formed from high gear 14 and splined shaft 16 exports; When the rotating speed of high gear 14 is lower than outer ring gear B13 rotating speed, clutch pack B20 is in wedging state, and high gear 14 rotates together with outer ring gear B13, two power input together, jointly export from splined shaft 16, output torque increases, and can meet the working condition requirement of loader low-speed heave-load.
The present invention's tool in implementation process has the following advantages:
1, improve the assembly precision of clutch pack B20 and high gear 14, on splined shaft 16, the centering of part and splined shaft 16 is good, when can make clutch pack B20 transmitting torque, each roller uniform force in clutch pack B20, improve service behaviour and the reliability of clutch pack B20, reduce the rate of fault of loader two axle assembly;
2, replace original bolt to connect with spline, connect uniform force, larger transmitting torque can be born, be easy to improve part processing precision and simplify assembly process simultaneously;
3, simplify two axle assembly overall structures, decrease the number of component, reduce the difficulty of processing of outer ring gear B13, be easy to apply.
Part not in the detailed description of the invention is prior art.
The embodiment selected in this article in order to open object of the present invention, currently thinks to be suitable for, but it is to be understood that the present invention is intended to comprise all changes belonging to the embodiment in this design and invention scope and improvement.
Claims (6)
1. one kind for two axle assemblies in loader speed changer, comprise outer ring gear B(13), high gear (14), splined shaft (16) and clutch pack B(20), it is characterized in that: on the spline of splined shaft (16), be provided with high gear (14), clutch pack B(20 is provided with) in the side of high gear (14), described clutch pack B(20) outer edge surface be provided with outer ring gear B(13), at clutch pack B(20) and outer ring gear B(13) between be interval with bearing C(17) and bearings D (18) formed described in for two axle assemblies in loader speed changer.
2. according to claim 1 for two axle assemblies in loader speed changer, it is characterized in that: described outer ring gear B(13) middle part of endoporus is provided with annular boss.
3. according to claim 1 for two axle assemblies in loader speed changer, it is characterized in that: the middle part of described high gear (14) is provided with endoporus, and the inner edge surface of described endoporus is provided with spline, be arranged with annular protrusion platform at the outer of described spline.
4. according to claim 1 for two axle assemblies in loader speed changer, it is characterized in that: the middle part of described splined shaft (16) is provided with oil hole (22), the outer edge surface of splined shaft (16) is provided with at least one tap hole perpendicular to oil hole (22) (21), the corresponding clutch pack B(20 of described tap hole 21).
5. according to claim 1 for two axle assemblies in loader speed changer, it is characterized in that: described bearing C(17) fixed by high gear (14).
6. according to claim 1 for two axle assemblies in loader speed changer, it is characterized in that: described bearings D (18) is by baffle plate C(19) fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416565.8A CN104373559A (en) | 2014-08-22 | 2014-08-22 | Two-shaft assembly used in speed changer of loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416565.8A CN104373559A (en) | 2014-08-22 | 2014-08-22 | Two-shaft assembly used in speed changer of loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104373559A true CN104373559A (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410416565.8A Pending CN104373559A (en) | 2014-08-22 | 2014-08-22 | Two-shaft assembly used in speed changer of loader |
Country Status (1)
| Country | Link |
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| CN (1) | CN104373559A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913029A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Herringbone gear pair capable of bearing additional axial force and application of herringbone gear pair to gear box |
| CN109578552A (en) * | 2019-01-24 | 2019-04-05 | 南通联科汽车零部件股份有限公司 | A kind of gear structure carrying anti-scraper ring |
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| CN103697086A (en) * | 2013-12-27 | 2014-04-02 | 常州国源离合器有限公司 | Novel star-wheel one-way clutch with bearing support |
| CN203570986U (en) * | 2013-10-21 | 2014-04-30 | 杭州中天齿轮制造有限公司 | Gearbox two-shaft assembly with 18-equal-section inner ring cam |
| CN203717720U (en) * | 2013-12-27 | 2014-07-16 | 常州博之园科技服务有限公司 | Energy-saving type electric automobile overrun clutch |
| CN203717719U (en) * | 2013-12-27 | 2014-07-16 | 常州国源离合器有限公司 | Novel besides-star wheel one-way clutch with bearing support |
| CN203822904U (en) * | 2014-04-30 | 2014-09-10 | 洛阳轴研科技股份有限公司 | Wedge block-type overrunning clutch used for loading machine |
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2014
- 2014-08-22 CN CN201410416565.8A patent/CN104373559A/en active Pending
Patent Citations (18)
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| CN2606214Y (en) * | 2003-05-01 | 2004-03-10 | 兰永福 | Reverse wheel with carrier bearing |
| CN2753921Y (en) * | 2004-12-13 | 2006-01-25 | 杜成甫 | Loading machine freewheel clutch |
| CN2871961Y (en) * | 2005-12-31 | 2007-02-21 | 洛阳轴研科技股份有限公司 | Surpassing clutch of double retainer |
| JP2010266017A (en) * | 2009-05-15 | 2010-11-25 | Nsk Ltd | Rotation transmission device with built-in one-way clutch |
| CN202050346U (en) * | 2010-09-14 | 2011-11-23 | 何良智 | Stepping motor gear synchronic direct-driving roller clutch |
| CN201982539U (en) * | 2010-12-24 | 2011-09-21 | 洛阳轴研科技股份有限公司 | Overrunning clutch |
| CN202431788U (en) * | 2012-02-10 | 2012-09-12 | 程先业 | Insert double-shaft assembly without isolating ring |
| CN202545738U (en) * | 2012-03-02 | 2012-11-21 | 常州苏特轴承制造有限公司 | Unidirectional belt pulley |
| CN102661337A (en) * | 2012-05-07 | 2012-09-12 | 吉林大学 | Overrunning clutch for confluence mechanism of double-turbine hydraulic torque converter |
| CN202746457U (en) * | 2012-08-03 | 2013-02-20 | 洛阳超越机械有限公司 | Double-row wedge-block type overrunning coupler used on corn machine |
| CN203067600U (en) * | 2012-12-07 | 2013-07-17 | 杭州中天齿轮制造有限公司 | Easily-transmitting two-shaft assembly of gearbox of loader |
| CN203362896U (en) * | 2013-05-05 | 2013-12-25 | 罗庆繁 | Energy-saving overrun clutch |
| CN203570986U (en) * | 2013-10-21 | 2014-04-30 | 杭州中天齿轮制造有限公司 | Gearbox two-shaft assembly with 18-equal-section inner ring cam |
| CN103697086A (en) * | 2013-12-27 | 2014-04-02 | 常州国源离合器有限公司 | Novel star-wheel one-way clutch with bearing support |
| CN203717720U (en) * | 2013-12-27 | 2014-07-16 | 常州博之园科技服务有限公司 | Energy-saving type electric automobile overrun clutch |
| CN203717719U (en) * | 2013-12-27 | 2014-07-16 | 常州国源离合器有限公司 | Novel besides-star wheel one-way clutch with bearing support |
| CN203822904U (en) * | 2014-04-30 | 2014-09-10 | 洛阳轴研科技股份有限公司 | Wedge block-type overrunning clutch used for loading machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913029A (en) * | 2015-06-16 | 2015-09-16 | 南京高精齿轮集团有限公司 | Herringbone gear pair capable of bearing additional axial force and application of herringbone gear pair to gear box |
| CN109578552A (en) * | 2019-01-24 | 2019-04-05 | 南通联科汽车零部件股份有限公司 | A kind of gear structure carrying anti-scraper ring |
| CN109578552B (en) * | 2019-01-24 | 2022-02-01 | 南通联科汽车零部件股份有限公司 | From gear structure of taking oil ring |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150225 |
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| RJ01 | Rejection of invention patent application after publication |