CN201363400Y - Rear transfer case of tractor - Google Patents
Rear transfer case of tractor Download PDFInfo
- Publication number
- CN201363400Y CN201363400Y CNU2009200885921U CN200920088592U CN201363400Y CN 201363400 Y CN201363400 Y CN 201363400Y CN U2009200885921 U CNU2009200885921 U CN U2009200885921U CN 200920088592 U CN200920088592 U CN 200920088592U CN 201363400 Y CN201363400 Y CN 201363400Y
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- CN
- China
- Prior art keywords
- gear
- shaft
- transfer case
- tractor
- bearings
- 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.)
- Expired - Fee Related
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Abstract
A rear transfer case of tractor mainly comprises a transfer case body, an input shaft, an intermediate shaft, an output gear shaft, a low speed gear, a double-linked gear, bearings and bolts; wherein, the transfer case body is fixed on a rear axle body of the tractor through bolts, the input shaft, the intermediate shaft and an output shaft are mounted in the transfer case body, the three shafts are in triangle distribution, the input shaft is connected with the shaft spline of power source of tractor and the spline is equipped with the low speed gear; two bearings are fixed assembled with the intermediate shaft, the double-linked gear is assembled with the bearings, the small gear ring of the double-linked gear is constantly meshed with the low-speed gear; both ends of the output gear shaft are supported by two bearings and are constantly meshed with the large gear ring of the double-linked gear. The rear transfer case can be mounted on the rear axle of the tractor conveniently and gear pump can be mounted on the transfer case conveniently. The distribution convenience and flexibility of rear hydraulic excavator device of tractor are guaranteed; meanwhile, the economical property of power source is improved; besides, the rear transfer case of tractor has simple structure, convenient disassembly and assembly.
Description
(1) technical field
The utility model belongs to the tractor field, relates to the rearmounted transfer case of a kind of tractor.
(2) background technique
In order to enlarge the function of use of crawler tractor, often increased the hydraulic excavating device at its rear portion.Wherein the used gear pump of hydraulic system does not have suitable mounting point on tractor, develops the rearmounted hydraulic pressure excavating gear of a kind of tractor transfer case and just can solve the gear pump installation question.
(3) summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, use the rearmounted transfer case of tractor easy to maintenance, reliable performance.
The technical solution of the utility model is: the rearmounted transfer case of tractor, mainly comprise transfer case casing 1, input shaft 2, jack shaft 3, output gear shaft 4, low speed gear 5, duplicate gear 6, bearing 7, bolt 8, it is characterized in that: transfer case casing 1 is fixed on the tractor rear axle body by bolt 8, input shaft 2, jack shaft 3 and output gear shaft 4 are installed in transfer case casing 1, three axles are arranged according to the triangle form, fixedly be equipped with low speed gear 5 on the input shaft 2, two ends have two bearings 7 to support; Fixedly be equipped with two bearings 7 on the jack shaft 3, be equipped with duplicate gear 6 on the bearing 7, the little gear ring of duplicate gear 6 and low speed gear 5 often mesh; Output gear shaft 4 two ends have two bearings 7 to support, and often mesh with the bull gear of duplicate gear 6.
Input shaft 2 is a hollow shaft, and there is the spline that is connected with tractor dynamic power inside, axle center, and an axle outer surface has with low speed gear 5 and is connected spline.Output gear shaft 4 is a hollow shaft, and inside, axle center has and the supporting singly-bound keyway of gear pump connecting end spindle nose.
The utility model can reach following effect after adopting technique scheme: the utility model can be installed on the tractor rear axle easily, and gear pump can be easily installed in this above transfer case.Both guarantee the convenient, flexible property of the rearmounted hydraulic pressure excavating gear of tractor general arrangement, improved the Economy of power source again, and simple in structure, easy accessibility.
(4) description of drawings
Fig. 1 is the rearmounted transfer case cut-away view of the utility model tractor;
Fig. 2 is the rearmounted transfer case external structure of the utility model tractor.
(5) embodiment
As shown in Figure 1 and Figure 2, the utility model is made up of transfer case casing 1, input shaft 2, jack shaft 3, output gear shaft 4, low speed gear 5, duplicate gear 6, bearing 7, bolt 8.Transfer case casing 1 is fixed on the tractor rear axle body by bolt 8, input shaft 2, jack shaft 3 and output gear shaft 4 are installed in transfer case casing 1, three axles are arranged according to the triangle form, input shaft 2 is that spline is connected with tractor dynamic power source axle, fixedly be equipped with low speed gear 5 on the input shaft 2, low speed gear 5 and input shaft 2 are connected by spline; Jack shaft 3 fixedly is assemblied on the transfer case casing 1, fixedly be equipped with two bearings 7 on the jack shaft 3, be equipped with duplicate gear 6 on the bearing 7, the little gear ring of duplicate gear 6 and low speed gear 5 often mesh, the bull gear of duplicate gear 6 and output gear shaft 4 often mesh, output gear shaft 4 is a hollow shaft, and inside, axle center has and the supporting singly-bound keyway of gear pump connecting end spindle nose.Sleeve mechanism is a speed increasing mechanism.
The rearmounted hydraulic pressure excavating gear of tractor is in working order the time, power source passes to duplicate gear 6 on the jack shaft 3 with power through input shaft 2 and low speed gear 5, duplicate gear 6 passes to output gear shaft 4 again with power, and output gear shaft 4 is as new power source, and the mechanism that supply and demand is wanted uses.Whole drive path is simple, and the delivery efficiency height has reached the purpose of economic and practical.
Claims (3)
1. the rearmounted transfer case of a tractor, comprise transfer case casing (1), input shaft (2), jack shaft (3), output gear shaft (4), low speed gear (5), duplicate gear (6), bearing (7), bolt (8), it is characterized in that: transfer case casing (1) is fixed on the tractor rear axle body by bolt (8), input shaft (2), jack shaft (3) and output gear shaft (4) are installed in transfer case casing (1), three axles are arranged according to the triangle form, input shaft (2) is gone up and fixedly is equipped with low speed gear (5), and two ends have two bearings (7) to support; Jack shaft (3) is gone up and fixedly is equipped with two bearings (7), is equipped with duplicate gear (6) on the bearing (7), the normal engagement of the little gear ring of duplicate gear (6) and low speed gear (5); Output gear shaft (4) two ends have two bearings (7) to support, and often mesh with the bull gear of duplicate gear (6).
2. the rearmounted transfer case of tractor according to claim 1, it is characterized in that: input shaft (2) be a hollow shaft, and there is the spline that is connected with tractor dynamic power inside, axle center, an outer surface has with low speed gear (5) and is connected spline.
3. the rearmounted transfer case of tractor according to claim 1, it is characterized in that: output gear shaft (4) is a hollow shaft, and inside, axle center has and the supporting singly-bound keyway of gear pump connecting end spindle nose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200885921U CN201363400Y (en) | 2009-02-19 | 2009-02-19 | Rear transfer case of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200885921U CN201363400Y (en) | 2009-02-19 | 2009-02-19 | Rear transfer case of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201363400Y true CN201363400Y (en) | 2009-12-16 |
Family
ID=41474064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200885921U Expired - Fee Related CN201363400Y (en) | 2009-02-19 | 2009-02-19 | Rear transfer case of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201363400Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661363A (en) * | 2012-05-10 | 2012-09-12 | 中信机电制造公司科研设计院 | Transmission case used for heavy vehicle |
| CN104141740A (en) * | 2014-07-24 | 2014-11-12 | 广西澜光科技有限公司 | Tractor transfer case |
-
2009
- 2009-02-19 CN CNU2009200885921U patent/CN201363400Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661363A (en) * | 2012-05-10 | 2012-09-12 | 中信机电制造公司科研设计院 | Transmission case used for heavy vehicle |
| CN102661363B (en) * | 2012-05-10 | 2015-01-07 | 中信机电制造公司科研设计院 | Transmission case used for heavy vehicle |
| CN104141740A (en) * | 2014-07-24 | 2014-11-12 | 广西澜光科技有限公司 | Tractor transfer case |
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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: First Tractor Co., Ltd. Assignor: China Yituo Group Co., Ltd. Contract record no.: 2010410000012 Denomination of utility model: Rear transfer case of tractor Granted publication date: 20091216 License type: Exclusive License Record date: 20100223 |
|
| 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: 20110721 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110721 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee before: China Yituo Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20180219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |