CN212373486U - Hinge steering four-wheel drive tractor - Google Patents
Hinge steering four-wheel drive tractor Download PDFInfo
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- CN212373486U CN212373486U CN202021798762.8U CN202021798762U CN212373486U CN 212373486 U CN212373486 U CN 212373486U CN 202021798762 U CN202021798762 U CN 202021798762U CN 212373486 U CN212373486 U CN 212373486U
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Abstract
The utility model discloses a hinge turns to four-wheel drive tractor aims at providing a hinge that operation strong adaptability, adhesion are good, drive power is strong and turns to four-wheel drive tractor. The four-wheel drive transmission system is respectively connected with the central transmission box, the front axle and the rear axle, the power output system is connected with the central transmission box, and the hydraulic suspension mechanism is arranged at the rear end of the rear frame body. The utility model is suitable for paddy and dry farmland agricultural machinery power.
Description
Technical Field
The utility model relates to a tractor especially relates to a hinge turns to four-wheel drive tractor.
Background
The existing tractor is provided with a driving wheel on a rear transmission axle, the front end of the rear transmission axle is directly connected with an engine, the engine is arranged on a front axle, a guide wheel is arranged on the front axle, and the front axle of some tractors is changed into a four-wheel drive tractor by adopting a driving axle in order to improve the traction capacity. Because the large-diameter guide wheel cannot be adopted due to the limitation of a steering swing space, the driving force of the small-diameter guide wheel is weak, the adhesiveness is poor, the traction force of the existing four-wheel drive tractor is limited, the adaptability of the traction or suspension farm tool for paddy and upland field operation is not enough, and the driving force of the traction force is not enough.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists, provide a hinge that operation strong adaptability, adhesion are good, drive power is strong and turn to four-wheel drive tractor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model discloses a four-wheel drive tractor with hinged steering, which comprises a cab, an engine, a front axle, driving wheels, a rear axle, a four-wheel drive transmission system, a central transmission case, a rear frame body, a hydraulic suspension mechanism, a main input shaft, a front frame body, a rear frame body, a transverse profile modeling frame, a power output system and a hinge steering mechanism, wherein the engine is arranged on the front frame body, the cab is arranged behind the engine, the transverse profile modeling frame is arranged below the front frame body and fixedly arranged on the front axle, the driving wheels are arranged at two ends of the front axle in a rolling manner, the rear frame body is arranged on the rear frame body and is in a square barrel shape formed by four-side thick-wall plates, the rear frame body is fixedly arranged on the rear axle, the driving wheels are arranged at two ends of the rear axle in a rolling manner, the hinge steering mechanism is arranged between the front frame body and the rear frame body, the central transmission case is arranged below the cab and fixedly arranged on the front frame body, the central transmission case is connected with the engine flywheel through a main input shaft, the four-wheel drive transmission system is respectively connected with the central transmission case, the front axle and the rear axle, the power output system is connected with the central transmission case, and the hydraulic suspension mechanism is arranged at the rear end of the rear frame body.
As the utility model discloses an optimal scheme, four-wheel drive transmission system includes front axle input shaft, rear axle jackshaft, rear axle transmission shaft seat, rear axle input shaft, this front axle input shaft rear end with central transmission case output shaft hookup, this front axle input shaft front end with front axle input shaft hookup, this rear axle jackshaft correspond along the vertical direction and are located hinge steering mechanism below, this rear axle jackshaft front end with central transmission case output shaft hookup, this rear axle transmission shaft seat sets up on the back support body bottom surface, this rear axle jackshaft rear end couples with the rear axle transmission shaft that sets up in this rear axle transmission shaft seat, and this rear axle input shaft front end couples with the rear axle transmission shaft that sets up in this rear axle transmission shaft seat, this rear axle input shaft rear end with the rear axle input shaft hookup.
As a preferred proposal of the utility model, the hinge steering mechanism comprises an upper splint, a steering cylinder, a lower splint and a cylinder ear seat, wherein the two upper splints are horizontally arranged at the upper part of the rear end of the front frame body, the two lower splints are horizontally arranged at the lower part of the rear end of the front frame body, the upper splint and the lower splint are respectively horizontally arranged at the front end of the rear frame body from top to bottom, the upper splint is correspondingly inserted between the two upper splints and is articulated through an upper vertical shaft, the lower splint is correspondingly inserted between the two lower splints and is articulated through a lower vertical shaft, the upper vertical shaft and the lower vertical shaft are coaxial, the cylinder ear seat is horizontally arranged above the two lower splints, the two steering cylinders are horizontally arranged in a splayed left-right symmetrical arrangement, the front ends of the piston rods of the two steering cylinders are folded towards the middle and inserted between the cylinder ear seat and the lower splint above and are, the rear ends of the two steering oil cylinder bodies are respectively hinged on the inner side walls of the left side and the right side of the rear frame box body.
As the utility model discloses an optimal scheme, power take-off system includes output jackshaft, output transmission axle bed, transmission case input shaft, output transmission case, power output shaft, and this output transmission axle bed hoist and mount is internal at this back frame box, and this output jackshaft corresponds along the vertical direction and is located in the middle of the hinge steering mechanism, this output jackshaft front end with output shaft hookup on the central transmission case, this output jackshaft rear end and the output transmission shaft hookup of setting in this output transmission axle bed, this output transmission case adorn admittedly on this back support body back end beam, this transmission case input shaft front end and the output transmission shaft hookup of setting in this output transmission axle bed, this transmission case input shaft rear end and this output transmission case main shaft hookup, this output transmission case lower extreme sets up power output shaft.
As the utility model discloses an optimal scheme, horizontal profile modeling frame includes upper bracket, lower carriage, articulated round pin axle, and this upper bracket adopts the double plate configuration side by side, and the face is down trapezoidally, and its lower extreme intermediate position is equipped with the articulated cover of level, and two mutual parallel vertical solid installations of this upper bracket are on this preceding support body bottom surface, and this lower carriage adopts the veneer configuration, and the face is last bow-shaped, and its upper end intermediate position is equipped with the articulated cover of level, and two this lower carriages are articulated through articulated round pin axle along the corresponding two double plates of inserting this upper bracket that make progress of vertical direction.
After the technical scheme is adopted, the utility model provides a hinge turns to four driving tractors has beneficial effect is:
the utility model discloses set up hinge steering mechanism between this preceding support body and this rear frame box, this central transmission case sets up in this driver's cabin below and adorns admittedly before this on the support body, this central transmission case passes through main input shaft and this engine flywheel hookup, this four-wheel drive transmission system respectively with this central transmission case, this front axle, this rear axle hookup, this power take off system and this central transmission case hookup, this hydraulic pressure hangs the mechanism setting at this rear frame body rear end. During operation, an agricultural implement is hung on the hydraulic suspension mechanism, a transmission system of the agricultural implement is connected with a power output shaft of the power output system of the four-wheel drive tractor, flexible steering is realized through a hinge steering mechanism in the advancing process of the unit, the rear frame body, the rear axle and the driving wheels do not swing relative to the rear frame body and the rear axle in the steering process, the four tires adopt the same large-diameter driving wheels, compared with the existing method adopting two small-diameter guide wheels, the adhesive force is increased, the four tires are driven simultaneously in operation, the traction performance of the tractor can be fully exerted, and the operation adaptability to dry farmlands or low-lying paddy fields or low-lying waterlogging lands is improved. Therefore, the effects of strong working adaptability, good adhesion and strong driving force are obtained.
Drawings
FIG. 1 is a front view of the hinge steering four-wheel drive tractor of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of a portion of I in FIG. 1;
fig. 4 is a view from direction a in fig. 1.
In the figure: a cab 1; an engine 2; a front axle 3; a drive wheel 4; a front axle input shaft 5; a central transmission case 6; a rear axle intermediate shaft 7; a rear axle drive shaft seat 8; a rear axle input shaft 9; a rear axle 10; a rear frame body 11; a hydraulic suspension mechanism 12; a main input shaft 13; a front frame body 14; an upper clamp plate 15; an upper connection plate 16; an output intermediate shaft 17; a steering cylinder 18; an output drive shaft seat 19; a rear frame case 20; a transmission input shaft 21; an output transmission case 22; a power take-off shaft 23; a lower clamping plate 24; a lower connection plate 25; a cylinder lug 26; a transverse profiling frame 27; an upper bracket 28; a lower bracket 29; a hinge pin 30.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
as shown in fig. 1 and fig. 2, a schematic structural diagram of a hinge steering four-wheel drive tractor of the present invention is provided, which includes a cab 1, an engine 2, a front axle 3, a driving wheel 4, a rear axle 10, a four-wheel drive transmission system, a central transmission case 6, a rear frame body 11, a hydraulic suspension mechanism 12, a main input shaft 13, a front frame body 14, a rear frame body 20, a transverse profile modeling frame 27, a power output system, and a hinge steering mechanism, wherein the engine 2 is disposed on the front frame body 14, the cab 1 is disposed behind the engine 2, the transverse profile modeling frame 27 is disposed below the front frame body 14, the transverse profile modeling frame 27 is fixedly mounted on the front axle 3, the driving wheel 4 is rotatably mounted at two ends of the front axle 3, the rear frame body 20 is disposed on the rear frame body 11, the rear frame body 20 is a square tubular shape formed by four thick-wall plates, the rear frame body 11 is fixedly mounted on the rear axle 10, the driving wheel 4 is rotatably mounted at two ends of the rear axle 10, a hinge steering mechanism is arranged between the front frame body 14 and the rear frame body 20, the central transmission case 6 is arranged below the cab 1 and fixedly mounted on the front frame body 14, the central transmission case 6 is connected with the flywheel of the engine 2 through a main input shaft 13, the four-wheel drive transmission system is respectively connected with the central transmission case 6, the front axle 3 and the rear axle 10, the power output system is connected with the central transmission case 6, and the hydraulic suspension mechanism 12 is arranged at the rear end of the rear frame body 11.
As a preferred embodiment of the present invention, in fig. 1, the four-wheel drive transmission system comprises a front axle input shaft 5, a rear axle intermediate shaft 7, a rear axle drive shaft seat 8, a rear axle input shaft 9, the rear end of the front axle input shaft 5 is connected with the output shaft of the central transmission case 6, the front end of the front axle input shaft 5 is connected with the input shaft of the front axle 3, the rear axle intermediate shaft 7 is correspondingly positioned below the hinge steering mechanism along the vertical direction, the front end of the rear axle intermediate shaft 7 is connected with the output shaft of the central transmission case 6, the rear axle transmission shaft seat 8 is arranged on the bottom surface of the rear frame body 11, the rear end of the rear axle intermediate shaft 7 is connected with a rear axle transmission shaft arranged in the rear axle transmission shaft seat 8, the front end of the rear axle input shaft 9 is connected with a rear axle transmission shaft arranged in the rear axle transmission shaft seat 8, and the rear end of the rear axle input shaft 9 is connected with the input shaft of the rear axle 10.
As an preferred embodiment of the present invention, in fig. 1, fig. 2, fig. 3, the hinge steering mechanism includes an upper plate 15, an upper plate 16, a steering cylinder 18, a lower plate 24, a lower plate 25, cylinder lug seats 26, two upper plates 15 are horizontally disposed at the upper portion of the rear end of the front frame body 14, two lower plates 24 are horizontally disposed at the lower portion of the rear end of the front frame body 14, the front end of the rear frame body 20 is horizontally disposed with the upper plate 16 and the lower plate 25 from top to bottom, the upper plate 16 is inserted between the two upper plates 15 and is hinged via an upper vertical shaft, the lower plate 25 is inserted between the two lower plates 24 and is hinged via a lower vertical shaft, and the upper vertical shaft and the lower vertical shaft are coaxial, the cylinder lug seats 26 are horizontally disposed above the two lower plates 24, the two steering cylinders 18 are horizontally arranged in a splayed left-right symmetrical manner, the front ends of piston rods of the two steering cylinders 18 are drawn together and inserted between the cylinder lug seats 26 and the lower plate 24 located above the two steering cylinders And are hinged through two vertical shafts, and the rear ends of the cylinder bodies of the two steering cylinders 18 are respectively hinged on the inner side walls of the left side and the right side of the rear frame box body 20.
As a preferred embodiment of the present invention, in fig. 1 and 2, the power output system includes an output intermediate shaft 17, an output transmission shaft seat 19, a transmission case input shaft 21, an output transmission case 22, and a power output shaft 23, the output transmission shaft seat 19 is hoisted in the rear frame box body 20, the output intermediate shaft 17 is correspondingly positioned in the middle of the hinge steering mechanism along the vertical direction, the front end of the output intermediate shaft 17 is connected with the output shaft of the central transmission case 6, the rear end of the output intermediate shaft 17 is connected with the output transmission shaft arranged in the output transmission shaft seat 19, the output transmission case 22 is fixedly arranged on the rear cross beam of the rear frame body 11, the front end of the input shaft 21 of the transmission case is connected with an output transmission shaft arranged in the output transmission shaft seat 19, the rear end of the transmission case input shaft 21 is connected with the driving shaft of the output transmission case 22, and the lower end of the output transmission case 22 is provided with a power output shaft 23.
As the preferred embodiment of the present invention, in fig. 1, fig. 2 and fig. 4, the horizontal profiling frame 27 includes an upper frame 28, a lower frame 29 and a hinge pin 30, the upper frame 28 adopts a parallel double-plate configuration, and the plate surface is an inverted trapezoid, a horizontal hinge sleeve is provided at the middle position of the lower end thereof, two upper frames 28 are mutually parallel and vertically fixed on the bottom surface of the front frame 14, the lower frame 29 adopts a single-plate configuration, and the plate surface is in an upper arc shape, a horizontal hinge sleeve is provided at the middle position of the upper end thereof, and two lower frames 29 are hinged by the hinge pin 30 between two double plates inserted into the upper frame 28 along the vertical direction upward correspondence.
In practical application, the engine 2 outputs power to the central transmission case 6 through the main input shaft 13, the central transmission case 6 drives the driving wheels 4 at two ends of the front axle 3 to roll forwards through the front axle input shaft 5, and the central transmission case 6 drives the driving wheels 4 at two ends of the rear axle 10 to roll forwards through the rear axle intermediate shaft 7 and the rear axle input shaft 9 in sequence; when the tractor turns, the steering cylinder 18 of controlling hinge steering mechanism through the steering wheel is flexible, make the back frame body 11, the rear axle 10, drive wheel 4 wholly uses this upper vertical axis and this lower vertical axis coaxial line as the horizontal swing angle of center, drive wheel 4 is relative back frame body 11, the rear axle 10 does not take place the swing, four tires adopt the same major diameter drive wheel, it drives simultaneously to have realized four drive wheels, the adhesive force has been increased, four tires drive simultaneously in the operation, can full play tractor's traction performance, the operation adaptability to dry land paddy field or low-lying waterlogging plots has been improved.
When the driving type agricultural implement is hung on the hydraulic hanging mechanism 12 for operation, the agricultural implement transmission system is connected with the power output shaft 23 of the power output system of the four-wheel drive tractor, and four tires are driven simultaneously during operation, so that the traction performance of the tractor can be fully exerted, and the operation adaptability to dry farmland paddy fields or low-lying water-logging plots is improved.
The utility model is suitable for paddy and dry farmland agricultural machinery power.
Claims (5)
1. The utility model provides a hinge turns to four-wheel drive tractor, includes driver's cabin (1), engine (2), front axle (3), drive wheel (4), rear axle (10), its characterized in that: the four-wheel drive type hydraulic suspension system is characterized by further comprising a four-wheel drive transmission system, a central transmission case (6), a rear frame body (11), a hydraulic suspension mechanism (12), a main input shaft (13), a front frame body (14), a rear frame body (20), a transverse profiling frame (27), a power output system and a hinge steering mechanism, wherein the engine (2) is arranged on the front frame body (14), a cab (1) is arranged behind the engine (2), the transverse profiling frame (27) is arranged below the front frame body (14), the transverse profiling frame (27) is fixedly arranged on the front axle (3), driving wheels (4) are arranged at two ends of the front axle (3) in a rolling manner, the rear frame body (20) is arranged on the rear frame body (11) and is in a square barrel shape formed by four thick wallboards, the rear frame body (11) is fixedly arranged on the rear axle (10), the driving wheels (4) are arranged at two ends of the rear axle (10) in a rolling manner, a hinge steering mechanism is arranged between the front frame body (14) and the rear frame body (20), the central transmission case (6) is arranged below the cab (1) and fixedly arranged on the front frame body (14), the central transmission case (6) is connected with a flywheel of the engine (2) through a main input shaft (13), the four-wheel drive transmission system is respectively connected with the central transmission case (6), the front axle (3) and the rear axle (10), the power output system is connected with the central transmission case (6), and the hydraulic suspension mechanism (12) is arranged at the rear end of the rear frame body (11).
2. The hinge-steered four-wheel drive tractor according to claim 1, wherein: the four-wheel drive transmission system comprises a front axle input shaft (5), a rear axle intermediate shaft (7), a rear axle transmission shaft seat (8) and a rear axle input shaft (9), the rear end of the front axle input shaft (5) is connected with the output shaft of the central transmission case (6), the front end of the front axle input shaft (5) is connected with the input shaft of the front axle (3), the rear axle intermediate shaft (7) is correspondingly positioned below the hinge steering mechanism along the vertical direction, the front end of the rear axle intermediate shaft (7) is connected with the output shaft of the central transmission case (6), the rear axle transmission shaft seat (8) is arranged on the bottom surface of the rear frame body (11), the rear end of the rear axle intermediate shaft (7) is connected with a rear axle transmission shaft arranged in the rear axle transmission shaft seat (8), the front end of the rear axle input shaft (9) is connected with a rear axle transmission shaft arranged in the rear axle transmission shaft seat (8), the rear end of the rear axle input shaft (9) is connected with the input shaft of the rear axle (10).
3. The hinge-steered four-wheel drive tractor according to claim 1 or 2, wherein: the hinge steering mechanism comprises upper clamping plates (15), upper clamping plates (16), steering oil cylinders (18), lower clamping plates (24), lower clamping plates (25) and oil cylinder lug seats (26), wherein the two upper clamping plates (15) are horizontally arranged at the upper part of the rear end of the front frame body (14), the two lower clamping plates (24) are horizontally arranged at the lower part of the rear end of the front frame body (14), the front end of the rear frame box body (20) is respectively and horizontally provided with the upper clamping plates (16) and the lower clamping plates (25) from top to bottom, the upper clamping plates (16) are correspondingly inserted between the two upper clamping plates (15) and are hinged through upper vertical shafts, the lower clamping plates (25) are correspondingly inserted between the two lower clamping plates (24) and are hinged through lower vertical shafts, the upper vertical shafts are coaxial with the lower vertical shafts, the oil cylinder lug seats (26) are horizontally arranged above the two lower clamping plates (24), the two steering oil cylinders (18) are horizontally arranged in a splayed left, the front ends of the piston rods of the two steering oil cylinders (18) are folded towards the middle, inserted between the oil cylinder lug seats (26) and the lower clamping plate (24) positioned above and hinged through two vertical shafts, and the rear ends of the cylinder bodies of the two steering oil cylinders (18) are respectively hinged on the inner side walls of the left side and the right side of the rear frame box body (20).
4. The hinge-steered four-wheel drive tractor according to claim 1 or 2, wherein: the power output system comprises an output intermediate shaft (17), an output transmission shaft seat (19), a transmission case input shaft (21), an output transmission case (22) and a power output shaft (23), wherein the output transmission shaft seat (19) is hung in the rear frame box body (20), the output intermediate shaft (17) is correspondingly positioned in the middle of the hinge steering mechanism along the vertical direction, the front end of the output intermediate shaft (17) is connected with an output shaft on the central transmission case (6), the rear end of the output intermediate shaft (17) is connected with an output transmission shaft arranged in the output transmission shaft seat (19), the output transmission case (22) is fixedly arranged on a rear cross beam of the rear frame body (11), the front end of the transmission case input shaft (21) is connected with the output transmission shaft arranged in the output transmission shaft seat (19), the rear end of the transmission case input shaft (21) is connected with a driving shaft of the output transmission case (22), the lower end of the output transmission case (22) is provided with a power output shaft (23).
5. The hinge-steered four-wheel drive tractor according to claim 1 or 2, wherein: the horizontal profiling frame (27) comprises an upper support (28), a lower support (29) and a hinge pin shaft (30), the upper support (28) is of a parallel double-plate structure, the plate surface is in an inverted trapezoid shape, a horizontal hinge sleeve is arranged at the middle position of the lower end of the upper support, the two upper supports (28) are mutually parallel and vertically fixedly arranged on the bottom surface of the front frame body (14), the lower support (29) is of a single-plate structure, the plate surface is in an upper arc shape, a horizontal hinge sleeve is arranged at the middle position of the upper end of the lower support, and the two lower supports (29) are upwards correspondingly inserted between the two double plates of the upper support (28) in the vertical direction and are hinged through the hinge pin shaft (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021798762.8U CN212373486U (en) | 2020-08-26 | 2020-08-26 | Hinge steering four-wheel drive tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021798762.8U CN212373486U (en) | 2020-08-26 | 2020-08-26 | Hinge steering four-wheel drive tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212373486U true CN212373486U (en) | 2021-01-19 |
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ID=74176204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021798762.8U Active CN212373486U (en) | 2020-08-26 | 2020-08-26 | Hinge steering four-wheel drive tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212373486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767365A (en) * | 2023-08-22 | 2023-09-19 | 国家林业和草原局哈尔滨林业机械研究所 | Wheel-track combined bridge-winding swing type hilly mountain land working platform |
-
2020
- 2020-08-26 CN CN202021798762.8U patent/CN212373486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116767365A (en) * | 2023-08-22 | 2023-09-19 | 国家林业和草原局哈尔滨林业机械研究所 | Wheel-track combined bridge-winding swing type hilly mountain land working platform |
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