CN203557952U - Tractor with two drive modes - Google Patents
Tractor with two drive modes Download PDFInfo
- Publication number
- CN203557952U CN203557952U CN201320704877.XU CN201320704877U CN203557952U CN 203557952 U CN203557952 U CN 203557952U CN 201320704877 U CN201320704877 U CN 201320704877U CN 203557952 U CN203557952 U CN 203557952U
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- CN
- China
- Prior art keywords
- gear
- gear box
- drive
- transfer
- driving
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- 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
The utility model provides a tractor with two drive modes. The tractor comprises a front wheel group, a rear wheel group, engines, a transmission axle housing and a gearbox, wherein a sub-gearbox is arranged between the transmission axle housing and the gearbox, the lower part of a casing of the sub-gearbox is open and a mounting groove is formed in the opening position, a transfer case is arranged below the mounting groove, the front wheel group is provided with a front drive axle, the rear wheel group is provided with a rear drive axle, the transfer case is connected with the front drive axle through a front transmission shaft, and the sub-gearbox is connected with the rear drive axle of the rear wheel group through the gearbox. Compared with the prior art, for the tractor with two drive modes, the novel sub-gearbox and transfer case are additionally mounted between the transmission axle housing and the gearbox of the conventional two-wheel drive tractor, so that the problems that the transfer case is not required by two-wheel drive of the tractor, and four-wheel drive has the transfer case but conversion is not facilitated and the application is inconvenient are solved.
Description
Technical field
The utility model relates to agricultural machinery and manufactures field, relates in particular to a kind of trac. that has two kinds of type of drive concurrently.
Background technology
Along with improving constantly of Machinery Automation degree, the use of trac. is more and more.Now the type of drive of trac. has two kinds of two wheel drive and four wheel drives, and these two kinds respectively have merits and faults, during two wheel drive, are running under the complex-terrains such as sand ground, mud ground, and often earth-grasping force is not enough, is difficult to walking.And four-wheel is when used, because there is the participation of front two-wheeled that earth-grasping force is strengthened greatly, but during daily walking, relatively excessive fuel consumption again.
As carried out a small amount of change on the basis at existing two-wheel drive trac., can realize four wheel drive, will be conducive to the penetration and promotion of four-wheel drive tractor.
Summary of the invention
The technical matters that the utility model solves is to provide a kind of trac. that has two kinds of type of drive concurrently, it can easily realize the mutual conversion between two-wheel drive and four wheel drive, simple in structure, easy to use, greatly reduce the manufacturing cost of four-wheel drive tractor.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of trac. that has two kinds of type of drive concurrently, comprise front wheels, rear wheels, be positioned at the driving engine of front wheels top, be positioned at Transmission Bridge case and the change speed gear box at driving engine rear, it is characterized in that: between described Transmission Bridge case and change speed gear box, be provided with a gear box sub-case, a mounting groove is opened wide and be provided with in the housing below of described gear box sub-case, mounting groove below is provided with an auxiliary gear box, described front wheels are provided with driving propons, rear wheels are provided with driving back axle, described auxiliary gear box is connected with the driving propons of front wheels by forerunner's transmission shaft, described gear box sub-case is connected with the driving back axle of rear wheels by change speed gear box.
Further improvement as the technical program, the driving bevel gear that described gear box sub-case comprises odd-side casing, be positioned at the input shaft gear group of odd-side casing, be connected with input shaft gear group and secondary fixed gear wheel, the secondary cliding gear being connected with secondary fixed gear wheel, the speed shift fork being connected with secondary cliding gear, described driving bevel gear is provided with an one-level driven gear.
Further improvement as the technical program, described auxiliary gear box, comprise transfer casing, be positioned at the gear cluster of transfer casing, minute moving axis being connected with described forerunner's transmission shaft, described gear cluster comprises dual gear, is positioned at the driven gear of dual gear below, the transfer miniature gears being connected with driven gear, within described minute, moving axis one end is provided with drive pinion, between described drive pinion and transfer miniature gears, by engaging sleeve, be connected, the external side of described auxiliary gear box is provided with transfer switch, and described transfer switch is connected with the engaging sleeve of transfer box house by driven shift fork.
Compared with prior art, the utility model has the trac. of two kinds of type of drive concurrently, between the Transmission Bridge case of existing two-wheel drive trac. and change speed gear box, install Novel gear box odd-side and auxiliary gear box additional, solved trac. two-wheel drive and do not used auxiliary gear box, and four wheel drive there is auxiliary gear box but can not transform the inconvenient problem that uses.
Accompanying drawing explanation
Fig. 1 is the structural representation that has the trac. of two kinds of type of drive concurrently described in the utility model.
Fig. 2 is the birds-eye view of gear box sub-case described in the utility model.
Fig. 3 is the lateral plan of gear box sub-case described in the utility model.
Fig. 4 is the lateral plan of auxiliary gear box described in the utility model.
The specific embodiment
Refer to shown in Fig. 1 to Fig. 4, the utility model provides a kind of trac. that has two kinds of type of drive concurrently, comprise front wheels 1, rear wheels 2, be positioned at the driving engine 3 of front wheels top, be positioned at Transmission Bridge case 4 and the change speed gear box 5 at driving engine rear, it is characterized in that: between described Transmission Bridge case 4 and change speed gear box 5, be provided with a gear box sub-case 6, a mounting groove 68 is opened wide and be provided with in the housing below of described gear box sub-case, mounting groove below is provided with an auxiliary gear box 7, described front wheels are provided with and drive propons 11, rear wheels are provided with and drive back axle 21, described auxiliary gear box logical 7 is crossed forerunner's transmission shaft 8 and is connected with the driving propons 11 of front wheels, described gear box sub-case 6 is connected with the driving back axle 21 of rear wheels by change speed gear box.The driving bevel gear 63 that described gear box sub-case 6 comprises odd-side casing 61, be positioned at the input shaft gear group 62 of odd-side casing, be connected with input shaft gear group and secondary fixed gear wheel 64, the secondary cliding gear 65 being connected with secondary fixed gear wheel, the speed shift fork 66 being connected with secondary cliding gear, described driving bevel gear is provided with an one-level driven gear 67.Described auxiliary gear box 7, comprise transfer casing 71, be positioned at the gear cluster (not shown) of transfer casing, minute moving axis 72 being connected with described forerunner's transmission shaft, described gear cluster comprises dual gear 73, be positioned at the driven gear 74 of dual gear below, the transfer miniature gears 75 being connected with driven gear, within described minute, moving axis 72 one end are provided with drive pinion 76, between described drive pinion and transfer miniature gears, by engaging sleeve 77, be connected, the external side of described auxiliary gear box is provided with transfer switch 78, described transfer switch is connected with the engaging sleeve of transfer box house by driven shift fork 79.
The transmission of power of driving engine 3 is to input shaft gear group 62 and then drive secondary fixed gear wheel 64, secondary fixed gear wheel 64 drives secondary cliding gear 65, and then drive driving bevel gear 63 to drive change speed gear box running, speed shift fork 66 is set on secondary cliding gear 65 and regulates control speed, at driving bevel gear 63(driving bevel gear, it is a kind of bevel gear with axle, its axle is in gear box sub-case, gear is in change speed gear box) axle on increase an one-level driven gear 67, by it, connect the dual gear 73 of auxiliary gear box 7 below and connect again driven gear 74, connect again transfer miniature gears 75 and drive pinion 76, by engaging sleeve 77, moving forward and backward to control drives the power of propons 11 stop or connect.
The above; it is only most preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any those of ordinary skill in the art; do not departing from technical solutions of the utility model scope situation; utilize the method content of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, all belong to the scope of claims protection.
Claims (3)
1. a trac. that has two kinds of type of drive concurrently, comprise front wheels, rear wheels, be positioned at the driving engine of front wheels top, be positioned at Transmission Bridge case and the change speed gear box at driving engine rear, it is characterized in that: between described Transmission Bridge case and change speed gear box, be provided with a gear box sub-case, a mounting groove is opened wide and be provided with in the housing below of described gear box sub-case, mounting groove below is provided with an auxiliary gear box, described front wheels are provided with driving propons, rear wheels are provided with driving back axle, described auxiliary gear box is connected with the driving propons of front wheels by forerunner's transmission shaft, described gear box sub-case is connected with the driving back axle of rear wheels by change speed gear box.
2. the trac. that has two kinds of type of drive concurrently according to claim 1, it is characterized in that: the driving bevel gear that described gear box sub-case comprises odd-side casing, be positioned at the input shaft gear group of odd-side casing, be connected with input shaft gear group and secondary fixed gear wheel, the secondary cliding gear being connected with secondary fixed gear wheel, the speed shift fork being connected with secondary cliding gear, described driving bevel gear is provided with an one-level driven gear.
3. the trac. that has two kinds of type of drive concurrently according to claim 1, it is characterized in that: described auxiliary gear box, comprise transfer casing, be positioned at the gear cluster of transfer casing, minute moving axis being connected with described forerunner's transmission shaft, described gear cluster comprises dual gear, be positioned at the driven gear of dual gear below, the transfer miniature gears being connected with driven gear, within described minute, moving axis one end is provided with drive pinion, between described drive pinion and transfer miniature gears, by engaging sleeve, be connected, the external side of described auxiliary gear box is provided with transfer switch, described transfer switch is connected with the engaging sleeve of transfer box house by driven shift fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704877.XU CN203557952U (en) | 2013-11-11 | 2013-11-11 | Tractor with two drive modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704877.XU CN203557952U (en) | 2013-11-11 | 2013-11-11 | Tractor with two drive modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203557952U true CN203557952U (en) | 2014-04-23 |
Family
ID=50507690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320704877.XU Expired - Fee Related CN203557952U (en) | 2013-11-11 | 2013-11-11 | Tractor with two drive modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203557952U (en) |
-
2013
- 2013-11-11 CN CN201320704877.XU patent/CN203557952U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20151111 |
|
| EXPY | Termination of patent right or utility model |