CN2303765Y - Double-frame semi-free chassis type tractor - Google Patents
Double-frame semi-free chassis type tractor Download PDFInfo
- Publication number
- CN2303765Y CN2303765Y CN 97233993 CN97233993U CN2303765Y CN 2303765 Y CN2303765 Y CN 2303765Y CN 97233993 CN97233993 CN 97233993 CN 97233993 U CN97233993 U CN 97233993U CN 2303765 Y CN2303765 Y CN 2303765Y
- Authority
- CN
- China
- Prior art keywords
- frame
- bogie
- chassis type
- semi
- gear box
- 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
The utility model relates to a double-frame semi-free chassis type tractor. A tractor frame is composed of a driving frame and a traction frame connected with the driving frame via a hinge and a central waist shaft; the lower parts of the driving frame and the traction frame are respectively provided with two wheels; the upper part of the driving frame is provided with a motor and a speed change box side by side, the front and the back parts are respectively provided with a traversing mechanism, and the turning can be realized by controlling the central waist shaft. The utility model has the advantages of flexible operation, wide range of addoption, and favorable transport performance.
Description
The utility model belongs to the farm tractor technical field.
By the applicant in the sixties design-calculated small four-wheel tractor apply so far 30 years in the whole nation, but its integral structure does not have to change substantially.Because the face table of the supporting agricultural machinery and implement of former organic type is narrower, tractive force is less than normal, and braking potential is poor, and the front-wheel guidance quality is poor in farming operation, more and more can not adapt to the requirement of the existing purchasing power of peasant.Particularly join in the wideest hauling operation of use face and hang behind the trailer beloidly, be unsuitable for road running, this function is replaced by the agricultural tricycle and the agricultural vehicle of new projection to a great extent, thereby has influenced further developing of small four-wheel tractor.
The purpose of this utility model is exactly to design the trac. of a kind of wide accommodation, hauling operation function admirable.
The technical solution of the utility model is: it comprises a bogie and by hinge and center waist axle and bogie bonded assembly drawbar frame, two drive wheels are installed on bogie, two bearing wheeds are installed on drawbar frame, driving engine and change speed gear box are installed on bogie side by side, central control post's waist axle is installed on bogie realizes the direction machine of articulated steering, operator's saddle is installed above the change speed gear box.
Compare with existing small four-wheel tractor, the utlity model has following advantage: adopt the two shelf structures of bogie and drawbar frame, drawbar frame forms free chassis, can 40 ° of angles of left and right sides deflection by center waist axle articulated steering, form minimum turning radius, flexible operation can be joined and be hung the supporting whole facility of former small four-wheel tractor.Also can join and hang 4L series grain combine, loader, spraying machine, pouring filling machine etc., on wider, adapt to current agriculture requirement.The drawbar frame wheelbase is adjustable, can directly lay transportation container, flow container or objective canopy after accent is long, has overcome the deficiency of hanging trailer, has improved transport performance greatly.But two way during the drawbar frame short wheelbase obtains 12 grades of friction speeds, helps driving engine and selects the optimum condition operation, and tractive force can improve 20%.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a front view of the present utility model,
Fig. 2 is the birds-eye view of Fig. 1.
In the embodiment that accompanying drawing provides, frame is made of bogie 2 and drawbar frame 6 two parts, links together by hinge and center waist axle 5.Driving engine 4 and change speed gear box 8 are installed side by side, change speed gear box 8 transverse axis modes, each serial single cylinder diesel of the adopted 195.1100.1110 of driving engine 4 on bogie 2.Two drive wheels 3 that driven by driving engine 4 and change speed gear box 8 are installed on bogie 2, and drive wheel 3 adopts low pressure herringbone floral whorl tire.Two bearing wheeds 7 are installed below drawbar frame 6, make drawbar frame 6 form free chassis, drive wheel 3 is big or small the same with bearing wheed 7, and promptly the external diameter of four wheels is identical, and the wheelspan of 7 of two bearing wheeds is identical with the wheelspan of 3 of two drive wheels.If be mainly used in farmland operation, can a direction machine 1,10 respectively be installed at the front and rear of bogie 2, one operator's saddle 9 respectively is installed at change speed gear box 8 with above the driving engine 4, by central control post's waist axle articulated steering, stir the preposition reversing gear of change speed gear box, can two way.By regulating the length of drawbar frame 6, drive wheel 3 can be adjusted to 2.10 meters by 1.35 meters with the wheelbase of bearing wheed 7.If be mainly used in hauling operation, can only a direction machine be installed in the front portion of bogie 2, operator's saddle 9 is installed on change speed gear box 8.
Claims (3)
1, a kind of pair of semi-free chassis type trac. of frame, it is characterized in that having a bogie (2) and by hinge and center waist axle (5) and bogie (2) bonded assembly drawbar frame (6), two drive wheels (3) are installed on bogie (2), two bearing wheeds (7) are installed on drawbar frame (6), driving engine (4) and change speed gear box (8) are installed on bogie (2) side by side, direction machine (1) is installed on bogie (2), operator's saddle (9) is installed above the change speed gear box (8).
2, according to claim 1 pair of semi-free chassis type trac. of frame is characterized in that at the front and rear of bogie (2) a direction machine (1) (10) being installed respectively, driving engine (4) and operator's saddle (9) respectively is installed above the change speed gear box (8).
3, according to claim 1 pair of semi-free chassis type trac. of frame is characterized in that bearing wheed (7) is identical with the external diameter of drive wheel (3), and the wheelspan between two bearing wheeds (7) is identical with wheelspan between two drive wheels (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233993 CN2303765Y (en) | 1997-08-15 | 1997-08-15 | Double-frame semi-free chassis type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97233993 CN2303765Y (en) | 1997-08-15 | 1997-08-15 | Double-frame semi-free chassis type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2303765Y true CN2303765Y (en) | 1999-01-13 |
Family
ID=33945452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97233993 Expired - Fee Related CN2303765Y (en) | 1997-08-15 | 1997-08-15 | Double-frame semi-free chassis type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2303765Y (en) |
-
1997
- 1997-08-15 CN CN 97233993 patent/CN2303765Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |