CN202946648U - Hydraulic stepless speed change gearbox assembly - Google Patents
Hydraulic stepless speed change gearbox assembly Download PDFInfo
- Publication number
- CN202946648U CN202946648U CN 201220665569 CN201220665569U CN202946648U CN 202946648 U CN202946648 U CN 202946648U CN 201220665569 CN201220665569 CN 201220665569 CN 201220665569 U CN201220665569 U CN 201220665569U CN 202946648 U CN202946648 U CN 202946648U
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- Prior art keywords
- gear
- shift fork
- opening
- cover plate
- gear housing
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Abstract
The utility model provides a hydraulic stepless speed change gearbox assembly, belongs to the technical field of transmissions and overcomes the defects that a current hydraulic stepless speed change gearbox is bad in structure performance and large in maintenance workload. The assembly comprises a gearbox body integrally formed and a gear pair in the former, wherein an opening is formed in the front side of the gearbox body, and a steering and braking shift fork cover plate is arranged on the opening and is provided with a left shift fork and a right shift fork thereon; an opening is formed in the rear side of the gearbox body, and a speed regulation shift fork cover plate is arranged on the opening and is provided with a speed regulation shift fork thereon; and an opening is formed in the bottom of the gearbox body and is provided with a bottom cover thereon. The assembly provided by the utility model is good in structure performance, and reduces workload in assembling and maintaining the parts in the gearbox body.
Description
Technical field
The utility model belongs to the speed changer technical field, relates to a kind of hydraulic stepless speed changes gearbox assembly.
Background technique
As everyone knows, existing hydraulic stepless speed changes gearbox assembly is to be screwed after being merged by left and right two halves casing to form, this hydraulic stepless speed changes gearbox assembly is not only installed trouble, and structural behaviour is poor, the external force that the hydraulic stepless speed changes gearbox assembly is happened suddenly when agricultural machinery moves affects, and the hydraulic stepless speed changes gearbox assembly easily breaks.
Totally enclosed outside the casing of some grades of transmission shafts in existing hydraulic stepless speed changes gearbox assembly, if certain driving gear damages, whole left and right two halves casing separately just can need to be safeguarded, not only maintenance workload is large, also may make mistakes when gear reinstalls casing.
The model utility content
For the deficiency that exists in background technique, the purpose of this utility model is to provide that a kind of structural behaviour is good, the hydraulic stepless speed changes gearbox assembly of easy maintenance.
for achieving the above object, the utility model provides following technological scheme: the hydraulic stepless speed changes gearbox assembly, comprise gear housing and be arranged at the interior gear pair of gear housing, described gear housing is the structure of integral type moulding, the front side of gear housing is provided with opening, be provided with braking in a turn shift fork cover plate on opening, be provided with left shift fork and right shift fork on braking in a turn shift fork cover plate, the rear side of gear housing is provided with opening, be provided with speed governing shift fork cover plate on opening, be provided with the speed governing shift fork on speed governing shift fork cover plate, the bottom of gear housing is provided with opening, be provided with bottom on opening.
Opening on the above-mentioned corresponding gear housing of braking in a turn shift fork cover plate is positioned at front middle part.
Opening on the above-mentioned corresponding gear housing of speed governing shift fork cover plate is positioned at the back upper place.
The left and right sides of above-mentioned gear housing offers bearing cross hole, and bearing cross hole is connected with the axle group by the bearing support that includes bearing, and gear pair is arranged on the axle group, and the outside of bearing cross hole is installed with bearing cap.
above-mentioned axle group comprises the oil hydraulic motor input shaft from top to bottom successively, the upper spline axle, lower splined shaft, the steering gear axle, the reducing gear wheel shaft, left output shaft and right output shaft, described oil hydraulic motor input shaft stretches on an end of gear housing and is installed with the power input shaft gear, be installed with upper transfer gear on the upper spline axle, be movably set with triple gear, be installed with low-grade gear on lower splined shaft, high-grade gear and middle-grade gear, be installed with central gear on the steering gear axle, be movably set with left steering gear and right steering gear, be installed with the Left Drive gear on the reducing gear wheel shaft, right driving gear, left reduction gear and right reduction gear, the end that left output shaft stretches into gear housing is installed with left actuation gear, the other end is installed with left output driving sprocket wheel, the end that right output shaft stretches into gear housing is installed with right actuation gear, the other end is installed with right output driving sprocket wheel.
Above-mentioned power input shaft gear and upper transfer gear engagement, triple gear makes the triple gear slippage by the rotation of speed governing shift fork, respectively with low-grade gear, high-grade gear and middle-grade gear in a corresponding engagement, high-grade gear and the engagement of central gear, left steering gear and the engagement of Left Drive gear, right steering gear and the engagement of right driving gear, left reduction gear and the engagement of left actuation gear, right reduction gear and the engagement of right actuation gear; Described left shift fork, right shift fork are connected on left steering gear and right steering gear.
Above-mentioned left steering gear and right steering gear are separately positioned on the both sides of central gear.
Be movably set with the friction plate group on spline outside above-mentioned left steering gear, right steering gear.
Be provided with brake mount between the bearing cap in the above-mentioned steering gear axle outside and corresponding friction plate group.
Above-mentioned friction plate group coordinates seized with corresponding brake mount.
Be provided with spring between the outboard bearing lid of above-mentioned friction plate group and left steering gear, right steering gear.
The beneficial effects of the utility model are:
1, the utility model adopts integrated gear housing, and compared to existing technology, intensity is high, and structural behaviour is good;
2, the utility model is provided with in the front side of integrated gear housing and is provided with braking in a turn shift fork cover plate on opening, opening, and rear side is provided with and is provided with speed governing shift fork cover plate on opening, opening, facilitates the maintenance of the component such as shift fork; The bottom of gear housing is provided with opening, is provided with bottom on opening, opens the maintenance that bottom facilitates gearwheel in casing; The left and right sides of gear housing offers bearing cross hole, and the outside of bearing cross hole is furnished with bearing cap, and the gear of opening on the convenient corresponding bearing of bearing cap is safeguarded; Compared to existing technology, outside the component that only need needs are safeguarded, corresponding lid is opened and can be carried out effectively safeguarding fast, need not gear-box is disassembled from agricultural machinery and all open again Inspection and maintenance, reduced the workload of safeguarding, the situation of wrongly installed when also having avoided component to reinstall casing.
Description of drawings
Fig. 1 is internal structure schematic diagram of the present utility model;
Fig. 2 is the partial structurtes enlarged view of the utility model G section;
Fig. 3 is that steering gear axle of the present utility model reaches and its related components structural representation;
Fig. 4 is one of external structure schematic diagram of the present utility model;
Fig. 5 is two of external structure schematic diagram of the present utility model.
The number in the figure implication:
The 1-gear housing; The 2-bearing cap; The 3-bottom; 4-braking in a turn shift fork cover plate; The left shift fork of 5-; The right shift fork of 6-; 7-speed governing shift fork cover plate; 8-speed governing shift fork; 9-oil hydraulic motor input shaft; 91-power input shaft gear; 10-upper spline axle; The 101-upper transfer gear; The 102-triple gear; Splined shaft under 11-; The low-grade gear of 111-; The high-grade gear of 112-; The middle-grade gear of 113-; 12-steering gear axle; 121-central authorities gear; 122-left steering gear; 123-right steering gear; 13-reducing gear wheel shaft; 131-Left Drive gear; The right driving gear of 132-; The left reduction gear of 133-; The right reduction gear of 134-; The left output shaft of 14-; The left actuation gear of 141-; The left output driving sprocket wheel of 142-; The right output shaft of 15-; The right actuation gear of 151-; The right output driving sprocket wheel of 152-; 16-friction plate group; The 17-spring; The 18-brake mount.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As Fig. 1-shown in Figure 5, the hydraulic stepless speed changes gearbox assembly, comprise gear housing 1 and be arranged at the interior gear pair of gear housing 1, described gear housing 1 is the structure of integral type moulding, the front side of gear housing 1 is provided with opening, be provided with on opening on braking in a turn shift fork cover plate 4, braking in a turn shift fork cover plate 4 and be provided with left shift fork 5 and right shift fork 6, the rear side of gear housing is provided with opening, be provided with on opening on speed governing shift fork cover plate 7, speed governing shift fork cover plate 7 and be provided with speed governing shift fork 8, the bottom of gear housing 1 is provided with opening, is provided with bottom 3 on opening.
As preferably, opening on the above-mentioned corresponding gear housing 1 of braking in a turn shift fork cover plate 4 is positioned at front middle part, the size of opening can be fit to the interior gear of gear housing 1 and assembling and the maintenance of axle, even the hydrostatic driver assembly is contained on reaper, just can reach the purpose of maintenance as long as open braking in a turn shift fork cover plate 4.
As preferably, opening on the above-mentioned corresponding gear housing 1 of speed governing shift fork cover plate 7 is positioned at the back upper place, openings of sizes can be fit to the interior gear of gear housing 1 and assembling and the maintenance of axle, even be contained on reaper at the hydrostatic driver assembly, as long as open assembling and the maintenance that speed governing shift fork cover plate 7 just can be convenient to part in the casings such as triple gear 102, upper transfer gear 101, upper spline axle 10.
As preferably, the left and right sides of above-mentioned gear housing 1 offers bearing cross hole, and bearing cross hole is connected with the axle group by the bearing support that includes bearing, and gear pair is arranged on the axle group.
As preferably, the outside of above-mentioned bearing cross hole is installed with bearing cap 2.
as preferably, above-mentioned axle group comprises oil hydraulic motor input shaft 9 from top to bottom successively, upper spline axle 10, lower splined shaft 11, steering gear axle 12, reducing gear wheel shaft 13, left output shaft 14 and right output shaft 15, described oil hydraulic motor input shaft 9 stretch on an end of gear housing 1 and are installed with power input shaft gear 91, are installed with upper transfer gear 101 on upper spline axle 10, be movably set with triple gear 102, be installed with low-grade gear 111 on lower splined shaft 11, high-grade gear 112 and middle-grade gear 113 are installed with central gear 121 on steering gear axle 12, be movably set with left steering gear 122 and right steering gear 123, be installed with Left Drive gear 131 on reducing gear wheel shaft 13, right driving gear 132, the end that left reduction gear 133 and right reduction gear 134, left output shaft 14 stretch into gear housing 1 is installed with left actuation gear 141, the other end is installed with left output driving sprocket wheel 142, and the end that right output shaft 15 stretches into gear housing 1 is installed with right actuation gear 151, the other end is installed with right output driving sprocket wheel 152.
Described power input shaft gear 91 and upper transfer gear 101 engagements, triple gear 102 makes triple gear 102 slippages by the rotation of speed governing shift fork 8, respectively with low-grade gear 111, high-grade gear 112 and middle-grade gear 113 in a corresponding engagement, high-grade gear 112 and central gear 121 engagements, left steering gear 122 and 131 engagements of Left Drive gear, right steering gear 123 and right driving gear 132 engagements, left reduction gear 133 and left actuation gear 141 engagements, right reduction gear 134 and right actuation gear 151 engagements; Described left shift fork 5, right shift fork 6 are connected on left steering gear 122 and right steering gear 123.
As preferably, above-mentioned left steering gear 122 and right steering gear 123 are separately positioned on the both sides of central gear 121.
As preferably, be movably set with friction plate group 16 on the spline in above-mentioned left steering gear 122, right steering gear 123 outsides.
As preferably, be provided with brake mount 18 between the bearing cap 2 in above-mentioned steering gear axle 12 outsides and corresponding friction plate group 16.
As preferably, above-mentioned friction plate group 16 coordinates seized with corresponding brake mount 18.
As preferably, be provided with spring 17 between the outboard bearing of above-mentioned friction plate group 16 lid 2 and left steering gear 122, right steering gear 123.
Speed governing of the present utility model is that the rotation by speed governing shift fork 8 makes triple gear 102 left and right slippage on upper spline axle 10, contact with low-grade gear 111, high-grade gear 112 and middle-grade gear 113 respectively engagement control low speed, at a high speed, the function of middling speed.
Of the present utility model turning to braking is to rotate by braking in a turn shift fork (left shift fork 5, right shift fork 6) to make steering gear (left steering gear 122, right steering gear 123) slippage on steering gear axle 12 realize the function of braking in a turn.Take turn left, the principle of left braking is as example, when left shift fork 5 with left steering gear 122 slippage left, spring 17 compressions on the left side, left steering gear 122 is thrown off with central gear 121, but all the time with reducing gear wheel shaft 13 on Left Drive gear 131 engagement, at this moment, left steering gear 122 is in and does not have dynamic state, right steering gear 123 continues engagement transmission power with central gear 121 and right driving gear 132, agricultural machinery just realize turning left to; When left shift fork 5 continues to push aside left, the spring 17 on the left side continues compression, at this moment, left steering gear 122 still is in engagement with Left Drive gear 131 on reducing gear wheel shaft 13, and left steering gear 122 forces the friction plate group 16 on its left side spline to coordinate seized with the brake mount 18 on friction plate group 16 left sides.
Right-hand rotation, right braking principle are with left-hand rotation, left braking; When braking simultaneously, the left and right only need simultaneously that the friction plate group 16 of left and right is corresponding with it brake mount 18 to coordinate seized getting final product.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these of above-mentioned hypothesis improve and modification also should be considered as protection domain of the present utility model.
Claims (5)
1. hydraulic stepless speed changes gearbox assembly, comprise gear housing and be arranged at the interior gear pair of gear housing, it is characterized in that: described gear housing is the structure of integral type moulding, the front side of gear housing is provided with opening, be provided with on opening on braking in a turn shift fork cover plate, braking in a turn shift fork cover plate and be provided with left shift fork and right shift fork, the rear side of gear housing is provided with opening, be provided with on opening on speed governing shift fork cover plate, speed governing shift fork cover plate and be provided with the speed governing shift fork, the bottom of gear housing is provided with opening, is provided with bottom on opening.
2. hydraulic stepless speed changes gearbox assembly according to claim 1, it is characterized in that: the opening on the corresponding gear housing of described braking in a turn shift fork cover plate is positioned at front middle part.
3. hydraulic stepless speed changes gearbox assembly according to claim 1, it is characterized in that: the opening on the corresponding gear housing of described speed governing shift fork cover plate is positioned at the back upper place.
4. hydraulic stepless speed changes gearbox assembly according to claim 1, it is characterized in that: the left and right sides of described gear housing offers bearing cross hole, and bearing cross hole is connected with the axle group by the bearing support that includes bearing, and gear pair is arranged on the axle group.
5. hydraulic stepless speed changes gearbox assembly according to claim 4, it is characterized in that: the outside of described bearing cross hole is installed with bearing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665569 CN202946648U (en) | 2012-07-05 | 2012-12-03 | Hydraulic stepless speed change gearbox assembly |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220323026.6 | 2012-07-05 | ||
| CN201220323026 | 2012-07-05 | ||
| CN 201220665569 CN202946648U (en) | 2012-07-05 | 2012-12-03 | Hydraulic stepless speed change gearbox assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946648U true CN202946648U (en) | 2013-05-22 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665569 Expired - Fee Related CN202946648U (en) | 2012-07-05 | 2012-12-03 | Hydraulic stepless speed change gearbox assembly |
| CN2012105122148A Pending CN102996764A (en) | 2012-07-05 | 2012-12-03 | Hydraulic stepless speed change gear box assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105122148A Pending CN102996764A (en) | 2012-07-05 | 2012-12-03 | Hydraulic stepless speed change gear box assembly |
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| Country | Link |
|---|---|
| CN (2) | CN202946648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996764A (en) * | 2012-07-05 | 2013-03-27 | 浙江柳林机械有限公司 | Hydraulic stepless speed change gear box assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088973B (en) * | 2014-06-27 | 2016-08-17 | 姚长水 | A kind of buncher of gear drive Hydraulic Adjustable Speed |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004116375A (en) * | 2002-09-25 | 2004-04-15 | Yamaha Motor Co Ltd | Sound insulation structure of forced air cooling engine for motorcycle |
| CN1899015A (en) * | 2006-07-03 | 2007-01-24 | 泰州现代农业装备有限公司 | Driving device for full feeding rice and wheat combine power driver |
| CN201057713Y (en) * | 2007-06-05 | 2008-05-14 | 浙江云洲科技有限公司 | Wide-swath self-propelled combine-harvester gearbox |
| CN201048110Y (en) * | 2007-06-19 | 2008-04-16 | 新典自动化股份有限公司 | Housing of self-timing controller |
| CN101946593A (en) * | 2010-01-08 | 2011-01-19 | 赵延辉 | Engaging and disengaging gear for gear box output shaft in self-propelled lawn mower |
| CN201888101U (en) * | 2010-10-30 | 2011-07-06 | 浙江四方集团公司 | Gear box of harvesting machine |
| CN202946648U (en) * | 2012-07-05 | 2013-05-22 | 浙江柳林机械有限公司 | Hydraulic stepless speed change gearbox assembly |
-
2012
- 2012-12-03 CN CN 201220665569 patent/CN202946648U/en not_active Expired - Fee Related
- 2012-12-03 CN CN2012105122148A patent/CN102996764A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996764A (en) * | 2012-07-05 | 2013-03-27 | 浙江柳林机械有限公司 | Hydraulic stepless speed change gear box assembly |
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| Publication number | Publication date |
|---|---|
| CN102996764A (en) | 2013-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJINAG LIULIN AGRICULTURAL MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHEJIANG LIULIN MACHINERY CO., LTD. Effective date: 20140208 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140208 Address after: 318000, No. 270 West Road, Xinqiao Town, Luqiao District, Zhejiang, Taizhou Patentee after: Zhejinag Liulin Agricultural Machinery Co., Ltd. Address before: 318000, No. 270 West Road, Xinqiao Town, Luqiao District, Zhejiang, Taizhou Patentee before: Zhejiang liulin Machinery Co.,Ltd |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |