CN201851634U - Transmission case shell of medium-power wheeled tractor - Google Patents
Transmission case shell of medium-power wheeled tractor Download PDFInfo
- Publication number
- CN201851634U CN201851634U CN2010205121438U CN201020512143U CN201851634U CN 201851634 U CN201851634 U CN 201851634U CN 2010205121438 U CN2010205121438 U CN 2010205121438U CN 201020512143 U CN201020512143 U CN 201020512143U CN 201851634 U CN201851634 U CN 201851634U
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- Prior art keywords
- axis hole
- partition wall
- hole
- rear axle
- shell
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Abstract
The utility model relates to a transmission case shell of a medium-power wheeled tractor, which comprises a gearbox shell and a rear axle shell. The gearbox shell and the rear axle shell are connected with each other through fastening pieces to form the transmission case shell. Partition walls are designed in a case body. Since a spatial multiple-shafting arrangement method is adopted for the internal shaft holes of the transmission case shell, the multi-gear arrangement is realized by using a small shell space and arranging a proper transmission ratio and the structure is compact; since a proper cross section size and a transmission center distance are adopted, the power required by the main engine of the medium-power wheeled tractor is provided, the transmission case shell is enabled to be in a flat octagonal-prism structure, the distance between the lower part of the shell and the ground is increased, the ground clearance height is increased and the field passage performance of the entire medium-power wheeled tractor is improved; and since the structural design is reasonable, the model variation and the functional extension of the main engine are facilitated and the performance of the complete main engine is improved.
Description
Technical field
The utility model belongs to the tractor field, relates to a kind of middle power wheeled tractor mechanism housing.
Background technique
At present, the wheeled tractor product of China's development, its transmission case is that setting type is broadly divided into transverse and longitudinal two big classes according to axle, adopts the transverse transmission case as common hand tractor and small-sized belt transmission four-wheel tractor more; The general wheeled tractor of power more than 18.4kW adopts the longitudinal transmission case more.Transverse transmission case of the prior art in practical structures more adopts 4～6 parallel transverse to arrange, simple in structure, less, the function singleness of power that can satisfy.
Longitudinal transmission case of the prior art adopts 2～3 parallel longitudinal directions to arrange, and forward gear transmission axis is in the same vertical plane, it is bigger to occupy the space on short transverse, distance between housing and ground is less, bigger by radius, influenced the complete machine field by performance, machine gravity height, less stable.Therefore, provide a kind of compact structure, axle be spatial arrangement rationally, the field passing ability is good, center of gravity is low, applied widely, main frame modification and function expansion are easy to mechanism housing and are very important.
The model utility content
The purpose of this utility model be to provide a kind of compact structure, axle be spatial arrangement rationally, the field passing ability is good, center of gravity is low, applied widely, main frame modification and function expansion are easy to the middle power wheeled tractor mechanism housing.
The utility model adopts following technological scheme to achieve the above object: the middle power wheeled tractor mechanism housing comprises gear box casing and rear axle housing body; Gear box casing and rear axle housing body connect to form mechanism housing by fastening piece; Design has partition wall a, partition wall b, partition wall d successively in the gear box casing, and rear axle housing body designs between front wall e and back wall j partition wall g, partition wall i.
Partition wall a, partition wall b in the gear box casing goes up initiatively axis hole and concentric of dynamic input shaft bore, reverse idler gear axis hole and main transformer speed, and partition wall b, partition wall d go up dynamic input shaft bore, main transformer speed initiatively axis hole and the main transformer driven axis hole of speed and concentric.
Front wall e, partition wall g in the rear axle housing body goes up dynamic input shaft bore, secondary speed change gear axis hole, bevel pinion axis hole and creeps retaining gear axis hole and concentric, partition wall i, back wall j go up dynamic input shaft bore, rearmounted pto hole h and mid-pto hole k and concentric, and front wheel driving axis hole and concentric is arranged on front wall e, the local wall f.
All power input shaft holes are concentric in mechanism housing, and secondary speed change gear axis hole is concentric in main transformer driven axis hole of speed in the gear box casing and the rear axle housing body.The gear box casing bottom has the opening c that connects transfer case, has on the rear axle housing body that mid-pto stretches out hole h and rearmounted pto stretches out hole k.
Gear box casing dimensions length L1 is that 667 ± 20mm, width W 1 are that 320 ± 20mm, height H 1 are 285 ± 20mm, and power input shaft hole and reverse idler gear axis hole centre distance R1 are that 84 ± 5mm, reverse idler gear axis hole and main transformer speed active axis hole centre distance R2 are that 93 ± 5mm, main transformer speed active axis hole and the driven axis hole centre distance R3 of main transformer speed are 95 ± 5mm; Rear axle housing body dimensions length L2 is that 720 ± 20mm, width W 2 are that 320 ± 20mm, height H 2 are 370 ± 20mm, and secondary speed change gear axis hole and bevel pinion axis hole centre distance R4 be 105.5 ± 5mm, creep retaining gear axis hole and bevel pinion axis hole centre distance R5 are that 98 ± 5mm, power input shaft hole and rear power output shaft hole centre distance R6 are that 123 ± 5mm, rearmounted pto hole and mid-pto hole centre distance R7 are that 123 ± 5mm, bevel pinion axis hole and front wheel driving axis hole centre distance D are 75 ± 5mm.
The utility model can reach following good effect: the inner axis hole of transmission case adopts space multiple shafting setting type, recently realizes the layout of more gear, compact structure with less shell space by the rational transmission of layout; Both satisfied the power of middle power wheeled tractor main frame needs with suitable sectional dimension and transmission centre distance, make its profile be flat eight prism structures again, raised the distance between lower housing portion and the ground, increased crack, ground height, improved the complete machine field and passed through performance; By reasonable structural design, made things convenient for the expansion of main frame modification and function, improved the complete machine performance of main frame.
Description of drawings
Fig. 1 is the structure sectional view of the utility model middle power wheeled tractor mechanism housing;
Fig. 2 is the A-A sectional view of the utility model middle power wheeled tractor mechanism housing;
Fig. 3 is the B-B sectional view of the utility model middle power wheeled tractor mechanism housing.
Embodiment
Shown in accompanying drawing 1～3, gear box casing 1 and rear axle housing body 2 connect to form mechanism housing by fastening piece.Gear box casing 1 dimensions length L1 is that 667 ± 20mm, width W 1 are that 320 ± 20mm, height H 1 are 285 ± 20mm, and power input shaft hole and reverse idler gear axis hole centre distance R1 are that 84 ± 5mm, reverse idler gear axis hole and main transformer speed active axis hole centre distance R2 are that 93 ± 5mm, main transformer speed active axis hole and the driven axis hole centre distance R3 of main transformer speed are 95 ± 5mm; Rear axle housing body 2 dimensions length L2 are that 720 ± 20mm, width W 2 are that 320 ± 20mm, height H 2 are 370 ± 20mm, and secondary speed change gear axis hole and bevel pinion axis hole centre distance R4 be 105.5 ± 5mm, creep retaining gear axis hole and bevel pinion axis hole centre distance R5 are that 98 ± 5mm, power input shaft hole and rear power output shaft hole centre distance R6 are that 123 ± 5mm, rearmounted pto hole and mid-pto hole centre distance R7 are that 123 ± 5mm, bevel pinion axis hole and front wheel driving axis hole centre distance D are 75 ± 5mm.
Design has partition wall a, partition wall b, partition wall d successively in the gear box casing 1, partition wall a, partition wall b go up initiatively axis hole and concentric of dynamic input shaft bore, reverse idler gear axis hole and main transformer speed, and partition wall b, partition wall d go up dynamic input shaft bore, main transformer speed initiatively axis hole and the main transformer driven axis hole of speed and concentric.
Rear axle housing body 2 design between front wall e and back wall j has partition wall g, partition wall i, front wall e, partition wall g go up dynamic input shaft bore, secondary speed change gear axis hole, bevel pinion axis hole and creep retaining gear axis hole and concentric, partition wall i, back wall j go up dynamic input shaft bore, rearmounted pto hole and mid-pto hole and concentric, and front wheel driving axis hole and concentric is arranged on front wall e, the local wall f.
All power input shaft holes are concentric in mechanism housing, and secondary speed change gear axis hole is concentric in main transformer driven axis hole of speed in the gear box casing 1 and the rear axle housing body 2.Gear box casing 1 bottom has the opening c that connects transfer case, has on the rear axle housing body 2 that mid-pto stretches out hole h and rearmounted pto stretches out hole k.
Drive axle supports by front wall e on the rear axle housing body 2 and local wall f, enters gear box casing 1, and the transfer case that connects by opening c place provides power to front drive axle.Changed traditional wheeled tractor gearbox front drive axle output shaft position, make the mid-pto of rear axle housing body 2 belows stretch out the space that there are enough space mounting, dismounting and lifting agricultural machinery and implement in h place, hole, make things convenient for supporting various agricultural machinery and implement, and in lifting process, can not interfere with the front wheel driving output shaft at agricultural machinery and implement.The rearmounted pto of inherit traditional advantage stretches out the rear end that hole k is positioned at rear axle housing body 2, makes things convenient for articulating and driving of facility.
Claims (5)
1. a middle power wheeled tractor mechanism housing comprises gear box casing (1) and rear axle housing body (2); It is characterized in that: gear box casing (1) and rear axle housing body (2) connect to form mechanism housing by fastening piece; Design has partition wall a, partition wall b, partition wall d successively in the gear box casing (1), and rear axle housing body (2) designs between front wall e and back wall j partition wall g, partition wall i.
2. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: partition wall a, the partition wall b in the gear box casing (1) goes up initiatively axis hole and concentric of dynamic input shaft bore, reverse idler gear axis hole and main transformer speed, and partition wall b, partition wall d go up dynamic input shaft bore, main transformer speed initiatively axis hole and the main transformer driven axis hole of speed and concentric.
3. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: front wall e, the partition wall g in the rear axle housing body (2) goes up dynamic input shaft bore, secondary speed change gear axis hole, bevel pinion axis hole and creeps retaining gear axis hole and concentric, partition wall i, back wall j go up dynamic input shaft bore, rearmounted pto hole h and mid-pto hole k and concentric, and front wheel driving axis hole and concentric is arranged on front wall e, the local wall f.
4. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: all power input shaft holes are concentric in mechanism housing, and secondary speed change gear axis hole is concentric in main transformer driven axis hole of speed in the gear box casing (1) and the rear axle housing body (2); Gear box casing (1) bottom has the opening c that connects transfer case, has on the rear axle housing body (2) that mid-pto stretches out hole h and rearmounted pto stretches out hole k.
5. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: gear box casing (1) dimensions length L1 is that 667 ± 20mm, width W 1 are that 320 ± 20mm, height H 1 are 285 ± 20mm, and power input shaft hole and reverse idler gear axis hole centre distance R1 are that 84 ± 5mm, reverse idler gear axis hole and main transformer speed active axis hole centre distance R2 are that 93 ± 5mm, main transformer speed active axis hole and the driven axis hole centre distance R3 of main transformer speed are 95 ± 5mm; Rear axle housing body (2) dimensions length L2 is that 720 ± 20mm, width W 2 are that 320 ± 20mm, height H 2 are 370 ± 20mm, and secondary speed change gear axis hole and bevel pinion axis hole centre distance R4 be 105.5 ± 5mm, creep retaining gear axis hole and bevel pinion axis hole centre distance R5 are that 98 ± 5mm, power input shaft hole and rear power output shaft hole centre distance R6 are that 123 ± 5mm, rearmounted pto hole and mid-pto hole centre distance R7 are that 123 ± 5mm, bevel pinion axis hole and front wheel driving axis hole centre distance D are 75 ± 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205121438U CN201851634U (en) | 2010-09-01 | 2010-09-01 | Transmission case shell of medium-power wheeled tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205121438U CN201851634U (en) | 2010-09-01 | 2010-09-01 | Transmission case shell of medium-power wheeled tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851634U true CN201851634U (en) | 2011-06-01 |
Family
ID=44094025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205121438U Expired - Fee Related CN201851634U (en) | 2010-09-01 | 2010-09-01 | Transmission case shell of medium-power wheeled tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696485A (en) * | 2015-03-16 | 2015-06-10 | 宁波兴野拖拉机制造有限公司 | High-ground-clearance transmission case for tractor |
-
2010
- 2010-09-01 CN CN2010205121438U patent/CN201851634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696485A (en) * | 2015-03-16 | 2015-06-10 | 宁波兴野拖拉机制造有限公司 | High-ground-clearance transmission case for tractor |
| CN104696485B (en) * | 2015-03-16 | 2019-01-08 | 宁波兴野拖拉机制造有限公司 | A kind of high-clearance transmission case of used with tractor |
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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: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20110728 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471039 LUOYANG, HENAN PROVINCE TO: 471004 LUOYANG, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110728 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: China Yituo Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20180901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |