CN203637501U - Four-wheel hillside farmland tractor - Google Patents
Four-wheel hillside farmland tractor Download PDFInfo
- Publication number
- CN203637501U CN203637501U CN201320699999.4U CN201320699999U CN203637501U CN 203637501 U CN203637501 U CN 203637501U CN 201320699999 U CN201320699999 U CN 201320699999U CN 203637501 U CN203637501 U CN 203637501U
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- China
- Prior art keywords
- rocking arm
- wheel
- propons
- axle
- hillside
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Abstract
The utility model relates to a four-wheel hillside farmland tractor, in particular to a hillside farmland tractor capable of modeling on a hillside farmland and belongs to agricultural machinery. The four-wheel hillside farmland tractor comprises a chassis, an engine, an operating system and a farm implement suspending system, and further comprises a speed-changing height difference system and a parallelogram mechanism, wherein the speed-changing height difference system comprises a transmission case (7), a left rocker arm (8) and/or a right rocker arm (5), and driving wheels (9); the parallelogram mechanism comprises front axles (2) including an upper front axle beam (17) and a lower front axle beam (18), a left crank shaft (12) and a right crank shaft.
Description
Technical field
The utility model relates to a kind of four-wheeled tractor, especially can, at the hillside tractor of hillside profiling, belong to field machine.
Background technology
Trac. is divided into two kinds of four-wheel-type trac. and two-wheeled walker tractors substantially, and substantially at grading operation, when running into, ploughing in hillside or ploughs in hills, when the gradient is larger, easily turns on one's side.Patent ZL031531148 hillside tractor, substantially solved the rollover problem of trac., but owing to belonging to hand-held type, labour intensity is larger, and production efficiency is lower.
Summary of the invention
For the problems referred to above, the utility model provide a kind of can be at the high formula four-wheel of the difference of hillside ploughing work hillside tractor.
For realizing above-mentioned utility model object, the utility model provides following technical scheme:
Four-wheel hillside tractor, comprises chassis, driving engine, operating system, farm implements suspension, and it also comprises:
Comprise the poor high system of speed change of change speed gear box 7, left rocking arm 8 and/or right Rocker arm 5 and drive wheel 9;
The propons 2 that comprises propons upper beam 17 and propons underbeam 18, axle 12 is turned in left and right, has formed a parallel-crank mechanism with propons upper beam 17 and propons underbeam 18.
Propons 2 is socketed on crossbeam front axle connecting frame 15 by two pivot pins, driving engine 4 is connected with crossbeam 1 by engine frame 6, change speed gear box 7 is screwed on crossbeam 1, right Rocker arm 5 and left rocking arm 8 are socketed on change speed gear box 7 by axle sleeve respectively, and drive wheel 9 is socketed on left rocking arm 8 and right Rocker arm 5.
On described propons upper beam 17 and propons underbeam 18, respectively have three holes, wherein, intermediate throughholes connects crossbeam front axle connecting frame 15 with crossbeam pin 16, and two ends through hole is connected with the left and right axle sleeve 13 that turns by pivot pin respectively.The left and right axle sleeve 13 that turns is connected on the left and right vertical pivot end that turns axle 12 by bearing carrier ring, and the near front wheel 11, off front wheel 3 are socketed in respectively the left and right flat axle head that turns axle 12 by bearing.The left and right axle sleeve 13 that turns is provided with upper and lower two through holes, is connected respectively by crank pin 14 with propons upper beam 17 and propons underbeam 18.
Left rocking arm 8, right Rocker arm 5 respectively and left, right rocker arm cover 23 forms a cavity, power chain 24 for transmission is placed in cavity, left rocking arm 8, right Rocker arm 5 is connected with change speed gear box semiaxis 21 by bearing 22, change speed gear box semiaxis 21 is through left rocking arm 8, together with right Rocker arm 5 passes through spline joint with the sprocket wheel in being placed in cavity, again by power by being placed in left rocking arm 8, driving chain 24 in right Rocker arm 5 passes to driven sprocket, driven sprocket is connected by spline fitted with live axle 26, live axle 26, adjusting nut 27 and left rocking arm 8, right Rocker arm 5 is flexibly connected by bearing, be fixedly connected with drive wheel 9.
Described four-wheel hillside tractor is provided with rear drive sprocket lifting mechanism, it is respectively provided with a hydraulic actuating cylinder 34 in arranged on left and right sides, wherein, hydraulic actuating cylinder 34 one end are flexibly connected by pivot pin with the engaging lug on change speed gear box 7, and the other end is flexibly connected by pivot pin with left rocking arm 8, right Rocker arm 5 respectively.
Compared with prior art, the beneficial effects of the utility model are:
The utility model provides a kind of four-wheel hillside tractor, and it has two rocking arms in left and right, and one end of rocking arm is connected with left and right rear drive sprocket respectively, and the other end is connected with change speed gear box respectively.A hydraulic ram is respectively put in the top of two rocking arms, the rear end of oil cylinder is flexibly connected with the rear end of rocking arm (one end being connected with drive wheel), the front end other end of oil cylinder is connected with body, the flexible swing that can drive left and right rocking arm of hydraulic ram, the drive wheel being fixed on rocking arm moves up and down, and makes the angle on tractor body adjustment and ground.
Brief description of the drawings
Fig. 1 is the structural representation of four-wheel hillside tractor of the present utility model;
Fig. 2 is the structure front elevational schematic of the propons of four-wheel hillside tractor of the present utility model;
Fig. 3 is structure and the transmission schematic diagram of the poor high rear left and right sidesing driving wheel of four-wheel hillside tractor of the present utility model;
Fig. 4 is the structural representation of the rear drive sprocket lifting mechanism of four-wheel hillside tractor of the present utility model.
Reference numeral
1 crossbeam 2 propons
3 off front wheel 4 driving engines
5 right rocking arm 6 engine frames
The left rocking arm of 7 change speed gear box 8
9 drive wheel 11 the near front wheels
12 turn axle 13 turns axle sleeve
14 crank pin 15 crossbeam front axle connecting frames
16 crossbeam pin 17 propons upper beams
18 propons underbeam 21 change speed gear box semiaxis
22 bearing 23 rocker arms cover
24 driving chain 25 seal rings
26 live axle 27 adjusting nuts
31 lock 32 strut bars
33 ratchet bar 34 hydraulic actuating cylinders
Detailed description of the invention
By reference to the accompanying drawings with embodiment, explain in detail further four-wheel hillside tractor of the present utility model below.
Four-wheel hillside tractor comprises chassis, driving engine, operating system, farm implements suspension, and its principal character is by change speed gear box, rocking arm, trailing wheel, hydraulic actuating cylinder, the high system of difference of lock composition and propons upper beam, propons underbeam.Axle is turned according to the propons of parallel-crank mechanism composition in left and right.
Fig. 1 is the structural representation of four-wheel hillside tractor of the present utility model, wherein, propons 2 is socketed on crossbeam front axle connecting frame 15 by two pivot pins, crossbeam front axle connecting frame 15 by fastened by screw on crossbeam 1, driving engine 4 is connected with crossbeam 1 by engine frame 6, and change speed gear box 7 is screwed on crossbeam 1.Right Rocker arm 5 and left rocking arm 8 are socketed on change speed gear box 7 by axle sleeve respectively.Drive wheel 9 is socketed in respectively on right Rocker arm 5 and left rocking arm 8.
Fig. 2 is the structural representation of the propons of four-wheel hillside tractor of the present utility model, wherein, propons 2 comprises propons upper beam 17 and propons underbeam 18, on propons upper beam 17 and propons underbeam 18, respectively there are three holes, wherein, intermediate throughholes connects crossbeam front axle connecting frame 15 with crossbeam pin 16, and two ends through hole is connected with the left and right axle sleeve 13 that turns by pivot pin respectively.The left and right axle sleeve 13 that turns is connected on the left and right vertical pivot end that turns axle 12 by bearing carrier ring, and the near front wheel 11, off front wheel 3 are socketed in respectively the left and right flat axle head that turns axle 12 by bearing.The left and right axle sleeve 13 that turns is provided with upper and lower two through holes, is connected respectively by crank pin 14 with propons upper beam 17 and propons underbeam 18.Left, turn axle 12, formed a parallel-crank mechanism with propons upper beam 17 and propons underbeam 18.
Fig. 3 is structure and the transmission schematic diagram of the poor high rear left and right sidesing driving wheel of four-wheel hillside tractor of the present utility model, and change speed gear box 7, left rocking arm 8 and/or right Rocker arm 5 and drive wheel 9 have formed the poor high system of speed change.Wherein, left rocking arm 8, right Rocker arm 5 form a cavity with left and right rocker arm cover 23 respectively, are placed in cavity for the power chain 24 of transmission.In order to prevent that dust etc. from entering cavity, protection bearing, at external bearings one dust-proof seal ring 25.Left rocking arm 8, right Rocker arm 5 are connected with change speed gear box semiaxis 21 by bearing 22, change speed gear box semiaxis 21 is through left rocking arm 8, right Rocker arm 5, together with passing through spline joint with the sprocket wheel in being placed in cavity, again power is passed to driven sprocket by the driving chain 24 being placed in left rocking arm 8, right Rocker arm 5, driven sprocket is connected by spline fitted with live axle 26, live axle 26, adjusting nut 27 are flexibly connected by bearing with left rocking arm 8, right Rocker arm 5, are connected with drive wheel 9 screws.
Fig. 4 is the structural representation of the rear drive sprocket lifting mechanism of four-wheel hillside tractor of the present utility model.The rear drive sprocket lifting mechanism of described four-wheel hillside tractor is respectively provided with a hydraulic actuating cylinder 34 in arranged on left and right sides, wherein, hydraulic actuating cylinder 34 one end are flexibly connected by pivot pin with the engaging lug on change speed gear box 7, and the other end is flexibly connected by pivot pin with left rocking arm 8, right Rocker arm 5 respectively.
In order to protect hydraulic actuating cylinder 34, the utility model has designed lock 31, and lock 31 comprises shell, strut bar 32 and ratchet bar 33.Strut bar 32 upper ends and shell are flexibly connected, and lower end is a helical teeth, and ratchet bar 33 lower ends are flexibly connected with left rocking arm 8, right Rocker arm 5, and engage with the helical teeth of strut bar 32 lower ends upper end.
Claims (6)
1. four-wheel hillside tractor, comprises chassis, driving engine, operating system, farm implements suspension, it is characterized in that:
It also comprises:
Comprise the poor high system of speed change of change speed gear box (7), left rocking arm (8) and/or right rocking arm (5) and drive wheel (9);
The propons (2) that comprises propons upper beam (17) and propons underbeam (18), axle (12) is turned in left and right, has formed a parallel-crank mechanism with propons upper beam (17) and propons underbeam (18).
2. four-wheel hillside tractor as claimed in claim 1, is characterized in that:
Propons (2) is socketed on crossbeam front axle connecting frame (15) by two pivot pins, driving engine (4) is connected with crossbeam (1) by engine frame (6), change speed gear box (7) is screwed on crossbeam (1), it is upper that right rocking arm (5) and left rocking arm (8) are socketed in change speed gear box (7) by axle sleeve respectively, and drive wheel (9) is socketed on left rocking arm (8) and right rocking arm (5).
3. four-wheel hillside tractor as claimed in claim 1 or 2, is characterized in that:
On described propons upper beam (17) and propons underbeam (18), respectively there are three holes, wherein, crossbeam pin for intermediate throughholes (16) connects crossbeam front axle connecting frame (15), two ends through hole is respectively by pivot pin and a left side, the axle sleeve (13) of turning right connects, left, the axle sleeve (13) of turning right is connected on a left side by bearing carrier ring, turn right on the vertical pivot end of axle (12), the near front wheel (11), off front wheel (3) is socketed in respectively a left side by bearing, the turn right flat axle head of axle (12), left, the axle sleeve (13) of turning right is provided with upper and lower two through holes, be connected with propons upper beam (17) and propons underbeam (18) by crank pin (14) respectively.
4. four-wheel hillside tractor as claimed in claim 2, is characterized in that:
Left rocking arm (8), right rocking arm (5) respectively and left, a cavity of right rocker arm cover (23) composition, power chain (24) for transmission is placed in cavity, left rocking arm (8), right rocking arm (5) is connected with change speed gear box semiaxis (21) by bearing (22), change speed gear box semiaxis (21) is through left rocking arm (8), together with right rocking arm (5) passes through spline joint with the sprocket wheel in being placed in cavity, again by power by being placed in left rocking arm (8), driving chain (24) in right rocking arm (5) passes to driven sprocket, driven sprocket is connected by spline fitted with live axle (26), live axle (26), adjusting nut (27) and left rocking arm (8), right rocking arm (5) is flexibly connected by bearing, be fixedly connected with drive wheel (9).
5. four-wheel hillside tractor as claimed in claim 1 or 2, is characterized in that:
Described four-wheel hillside tractor is provided with rear drive sprocket lifting mechanism, it is respectively provided with a hydraulic actuating cylinder (34) in arranged on left and right sides, wherein, hydraulic actuating cylinder (34) one end is flexibly connected by pivot pin with the engaging lug on change speed gear box (7), and the other end is flexibly connected by pivot pin with left rocking arm (8), right rocking arm (5) respectively.
6. four-wheel hillside tractor as claimed in claim 5, is characterized in that:
Lock (31) comprises shell, strut bar (32) and ratchet bar (33); Strut bar (32) upper end and shell are flexibly connected, and lower end is a helical teeth, and ratchet bar (33) lower end is flexibly connected with left rocking arm (8), right rocking arm (5), and engage with the helical teeth of strut bar (32) lower end upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699999.4U CN203637501U (en) | 2013-11-07 | 2013-11-07 | Four-wheel hillside farmland tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699999.4U CN203637501U (en) | 2013-11-07 | 2013-11-07 | Four-wheel hillside farmland tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203637501U true CN203637501U (en) | 2014-06-11 |
Family
ID=50868777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320699999.4U Withdrawn - After Issue CN203637501U (en) | 2013-11-07 | 2013-11-07 | Four-wheel hillside farmland tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203637501U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552437A (en) * | 2013-11-07 | 2014-02-05 | 中国农业大学 | Four-wheel hillside tractor |
| CN104842784A (en) * | 2015-05-07 | 2015-08-19 | 西北农林科技大学 | Mountain terrace tractor |
| CN106183687A (en) * | 2016-09-27 | 2016-12-07 | 张道勤 | A kind of driving dynamic autonomous stabilization chassis overhang |
| CN117799430A (en) * | 2024-02-23 | 2024-04-02 | 山东悍沃农业装备有限公司 | Cultivator type tractor complete machine |
-
2013
- 2013-11-07 CN CN201320699999.4U patent/CN203637501U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103552437A (en) * | 2013-11-07 | 2014-02-05 | 中国农业大学 | Four-wheel hillside tractor |
| CN103552437B (en) * | 2013-11-07 | 2016-08-31 | 中国农业大学 | Four-wheel hillside tractor |
| CN104842784A (en) * | 2015-05-07 | 2015-08-19 | 西北农林科技大学 | Mountain terrace tractor |
| CN106183687A (en) * | 2016-09-27 | 2016-12-07 | 张道勤 | A kind of driving dynamic autonomous stabilization chassis overhang |
| CN117799430A (en) * | 2024-02-23 | 2024-04-02 | 山东悍沃农业装备有限公司 | Cultivator type tractor complete machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |