CN109795567B - Caterpillar self-propelled double-power universal platform - Google Patents
Caterpillar self-propelled double-power universal platform Download PDFInfo
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- CN109795567B CN109795567B CN201910126077.6A CN201910126077A CN109795567B CN 109795567 B CN109795567 B CN 109795567B CN 201910126077 A CN201910126077 A CN 201910126077A CN 109795567 B CN109795567 B CN 109795567B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 3
- 244000269722 Thea sinensis Species 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
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Abstract
The invention relates to a crawler self-propelled double-power universal platform, and belongs to the technical field of agricultural machinery. The universal platform is arranged on the front side of the frame on the crawler chassis, a mechanical gearbox driven by an engine is arranged on the front side of the frame, and the output end of the mechanical gearbox is in transmission connection with the front driving wheels on the two sides of the crawler chassis through front clutch devices on the two sides; the rear side of the frame is provided with a motor which is respectively connected with rear driving wheels on two sides of the crawler chassis through a rear clutch device in a transmission way. The main operating handle hinged on the operating platform at the front end of the frame is connected to the front clutch device through a front soft rope, a front clutch swing rod and a front shifting fork; the rear rocker arm is connected to the rear clutch device through a rear soft rope, a rear clutch swing rod and a rear shifting fork; the reversing operating handle is hinged with a forward and reverse rotation switching piece of a transmission gear of the mechanical gearbox through an extension arm and a vertical connecting rod. The invention can realize the interlocking switching of power sources between oil and electricity, is suitable for the requirements of large-scale or scattered open field and facility planting operation, and has very ideal maneuverability, universality and multifunction.
Description
Technical Field
The invention relates to a crawler self-propelled platform for agriculture, in particular to a crawler self-propelled double-power universal platform, and belongs to the technical field of agricultural machinery.
Background
The vegetable production in China has the characteristics of small planting scale and scattered field, and the planting area of facilities is greatly increased along with the continuous adjustment of the agricultural industry structure. The traditional power machinery (such as a tractor) has the problems of difficult operation of entering the greenhouse and both sides in the greenhouse, difficult turning around in the field and the like due to huge volume, and is limited to operate in a greenhouse of a facility and in the open field with small scale and dispersion, so that the mechanical level of vegetable production is low, and the same problems are very prominent in orchards (such as jujube, pear gardens and the like) and tea gardens.
To the best of the applicant's knowledge, most of the current power machines used in facility agriculture and fruit and vegetable tea gardens are simply scaled down based on mature field machines, and have poor stability, reliability and maneuvering characteristics due to lack of systematic and targeted research. Especially, the power source adopts the gasoline engine and the diesel engine, which not only has large noise and pollution, but also has poor adaptability due to single power, is difficult to match with the interfaces of the operation tools in each link, and cannot have universality.
Disclosure of Invention
The invention aims at: aiming at the problems in the prior art, the crawler self-propelled double-power universal platform which can conveniently switch the power source according to the needs and has good maneuvering characteristics is provided, so that the crawler self-propelled double-power universal platform can be matched with various operation link machines, realize multifunctional mechanical operation and meet the requirements of facility agriculture development.
In order to achieve the above purpose, the basic technical scheme of the crawler self-propelled double-power universal platform of the invention is as follows: the crawler belt comprises a rack arranged on a crawler belt chassis, wherein a mechanical gearbox driven by an engine is arranged at the front side of the rack, and the output end of the mechanical gearbox is in transmission connection with front driving wheels at two sides of the crawler belt chassis through front clutch devices at two sides; the rear side of the frame is provided with a motor which is respectively connected with rear driving wheels on two sides of the crawler chassis through a rear clutch device in a transmission way; the control table at the front end of the frame is hinged with a main operating handle and two reversing operating handles which are separated left and right respectively; the hinge shaft of the main operating handle radially extends out of a pair of front rocker arms and a pair of rear rocker arms respectively;
the outer end of the front rocker arm is hinged with the upper end of the front driving connecting rod, and the lower end of the front driving connecting rod is hinged with a pull head at one end of the front soft rope; the other end of the front soft rope is hinged with one end of a front clutch swing rod, the other end of the front clutch swing rod is connected with a front shifting fork hinged on a front clutch bracket, and the front shifting fork is provided with two limit positions for enabling a front clutch device to be in transmission connection with and transmission separation from a front driving wheel;
the outer end of the rear rocker arm is hinged with the upper end of the rear driving connecting rod, and the lower end of the rear driving connecting rod is hinged with a pull head at one end of the rear soft rope; the other end of the rear soft rope is hinged with one end of a rear clutch swing rod, the other end of the rear clutch swing rod is connected with a rear shifting fork hinged on a rear clutch bracket, and the rear shifting fork is provided with two limit positions for enabling a rear clutch device to be in transmission separation and transmission connection with a rear driving wheel;
the hinge shaft of the reversing operating handle is hinged with the upper end of the vertical connecting rod through an extension arm, and the lower end of the vertical connecting rod is hinged with the forward and reverse rotation switching piece of the transmission gear of the mechanical gearbox.
Therefore, the interlocking switching of the power source between the fuel engine and the power source can be realized by controlling the main operating handle conveniently according to the need, so that the multifunctional mechanical operation can be realized by matching with various operation link machines, and the forward and reverse running of the crawler belts on two sides can be realized by virtue of the switching of the forward and reverse rotation of the transmission gears by means of the two mutually separated reversing operating handles, so that the zero-radius turning is completed, and the crawler self-propelled double-power universal platform has very ideal maneuvering performance.
The invention is further perfected as follows: the front clutch device comprises a front clutch fixed disc fixed on the corresponding clutch shaft and a front clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the front clutch movable disc is abutted against the corresponding pressure spring; the outer circle of the front clutch moving disc is provided with a sliding groove embedded into the front shifting fork.
The invention is still further perfected as follows: the rear clutch device comprises a rear clutch fixed disc fixed on the corresponding clutch shaft and a rear clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the rear clutch movable disc is abutted against the corresponding pressure spring; the excircle of the rear clutch moving disc is provided with a sliding groove embedded into the rear shifting fork.
The invention is further perfected as follows: the control table at the front end of the frame is also provided with a motor advancing and steering handle.
The invention is further perfected as follows: the engine is in transmission connection with the mechanical gearbox through a high-low speed gearbox.
The invention is still further perfected as follows: an engine positioned under the seat is arranged on the front side of a frame arranged on the crawler chassis.
Drawings
For a clearer description of the invention, embodiments will be briefly described below with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic plan view of the embodiment of fig. 1.
Fig. 3 is a schematic perspective view of the transmission control system of the embodiment of fig. 1.
FIG. 4 is a schematic illustration of the transmission control system of FIG. 3 in transmission relationship to a track.
Fig. 5 is a perspective view illustrating a power-off state of the clutch device of fig. 3.
FIG. 6 is a schematic diagram of a cable connection of the transmission control system of FIG. 3.
In the figure: 1. a frame; 2. a crawler chassis; 3. a front drive wheel; 4. a high-low gear gearbox; 5. a rear drive wheel; 6. a three-point hitch system; 7. a lithium battery; 8. a seat; 9. an engine; 10. a mechanical gearbox; 11. a main operating handle; 12. a motor advances and turns to a handle; 13. a motor; 14. a reversing operation handle; 15'. A front clutch device; 15. a rear clutch device;
front rocker arm 11-1'; precursor links 11-2'; a rear rocker arm 11-1; a rear drive link 11-2;
an extension arm 14-1; a vertical connecting rod 14-2; a transmission gear forward and reverse rotation switching member 14-3;
front clutch bracket 15-1'; front clutch fixed disk 15-2'; front clutch swing rod 15-3'; front flexible cable 15-4'; front clutch support 15-5'; front fork 15-7'; front clutch moving disc 15-8';
a rear clutch bracket 15-1; a rear clutch fixed disc 15-2; a rear clutch swing rod 15-3; 15-4 parts of rear soft rope; 15-5 of a rear clutch support; 15-6 parts of a pressure spring; 15-7 of a rear shifting fork; the rear clutch moves the disc 15-8.
Detailed Description
As shown in fig. 1 and 2, the crawler self-propelled dual-power universal platform of the embodiment is characterized in that a mechanical gearbox 10 driven by an engine 9 positioned below a seat 8 through a high-low speed transmission box 4 is installed on the front side of a frame 1 arranged on a crawler chassis 2, and the output end of the mechanical gearbox 10 is in transmission connection with front driving wheels 3 on two sides of the crawler chassis 2 through front clutch devices 15' on two sides. The rear side of the frame 1 is provided with a motor 13 which is respectively in transmission connection with the rear driving wheels 5 at the two sides of the crawler chassis 2 through a rear clutch device 15 and is powered by a lithium battery 7. The control table at the front end of the frame 1 is hinged with a main operating handle 11, two reversing operating handles 14 separated from each other left and right, and a motor advancing and steering handle 12. The middle part of the rear end of the frame 1 is provided with a conventional three-point hanging system 6 which is connected with various machines.
As shown in fig. 3 and 4, the hinge shaft of the main operating handle 11 radially extends a pair of front swing arms 11-1' and a pair of rear swing arms 11-1, respectively. The outer end of the front rocker arm 11-1 'is hinged with the upper end of the front driving connecting rod 11-2', and the lower end of the front driving connecting rod 11-2 'is hinged with a pull head at one end of the front soft rope 15-4'; the other end pull head of the front soft rope 15-4 'is hinged with one end of the front clutch swing rod 15-3', the other end of the front clutch swing rod 15-3 'is connected with a front shifting fork 15-7' hinged on the front clutch bracket 15-1', and the front shifting fork is provided with two limit positions for enabling the front clutch device 15' to be in transmission connection and transmission separation with the front driving wheel 3.
The outer end of the rear rocker arm 11-1 is hinged with the upper end of the rear driving connecting rod 11-2, and the lower end of the rear driving connecting rod 11-2 is hinged with a pull head at one end of the rear soft rope 15-4; the other end pull head of the rear soft rope 15-4 is hinged with one end of the rear clutch swing rod 15-3, the other end of the rear clutch swing rod 15-3 is connected with a rear shifting fork 15-7 hinged on the rear clutch bracket 15-1, and the rear shifting fork 15-7 is provided with two limit positions for driving and separating the rear clutch device 15 from the rear driving wheel 5 and for driving and connecting the rear clutch device with the rear driving wheel 5.
The rear clutch device 15 has a specific structure shown in fig. 5 and 6, and comprises a rear clutch fixed disc 15-2 fixed on a clutch shaft and a rear clutch movable disc 15-8 movably sleeved on the clutch shaft, wherein the inner end of the rear clutch movable disc 15-8 is abutted against a pressure spring 15-6, so that the rear clutch device has a position tending to be meshed with the clutch fixed disc 15-2, and the outer circle of the rear clutch movable disc 15-8 is provided with a sliding groove embedded in a rear shifting fork 15-7, so that the rear clutch movable disc can slide along the clutch shaft under the action of the rear shifting fork 15-7, and is switched between two extreme positions of transmission separation shown in fig. 5 and transmission connection shown in fig. 3. The specific structure of the front clutch device 15' is the same as that of the front clutch device, and a description thereof will not be repeated.
The hinge shaft of the reversing operation handle 14 is hinged with the upper end of the vertical connecting rod 14-2 through the extension arm 14-1, and the lower end of the vertical connecting rod 14-2 is hinged with the transmission gear forward and reverse rotation switching piece 14-3 of the mechanical gearbox. Therefore, the reversing operation handle 14 can be controlled to control the forward and reverse rotation of the output transmission gear in the driving system, and the turning radius can be changed by controlling the forward and reverse walking of the left and right tracks, so that zero-radius steering is realized. The motor is pushed to advance and steer the handle 12 to control the motor output shaft on one side to rotate positively and the motor output shaft on the other side to rotate reversely, so that zero-radius steering is realized.
The universal platform of the embodiment adopts oil-electricity dual-power driving, wherein the oil transmission part transmits power to a high-low gear mechanical gearbox (for adjusting the high and low rotation speeds of a power output shaft of the gearbox) by a fuel engine through a transmission belt, the high-low gear mechanical gearbox transmits the power to the mechanical gearbox through the transmission belt, and the mechanical gearbox is connected with a driving wheel at the front end of a crawler belt through a mechanical clutch; the electric transmission part is connected with a driving wheel at the rear end of the crawler belt through a mechanical clutch by a motor, and a lithium battery provides power for the motor; the engine may also be operated to charge a lithium battery. The main operating handle controls the separation and the combination of the clutch on the front driving wheel and the rear driving wheel through a soft rope pull wire, cuts off or joins power, and a connecting rod hinged with the operating handle adopts linkage design, so that only one end of the front driving wheel and the rear driving wheel is always in power joint; the motor is pushed forward or backward to turn the handle, and the output shafts of the left and right crawler drive motors are controlled to synchronously rotate forward or backward, so that the crawler can move forward or backward. The mechanical clutch may also be replaced by an electromagnetic clutch.
According to the actual operation needs, the front end can integrate any vegetable harvesting header, the rear end can be provided with a three-point hanging system and an integrated cultivation device, and the three-point hanging system, the working power output system and the header or the cultivation device are all connected in a matched mode to form a modularized universal interface, so that the universality of the power platform is effectively improved.
Compared with the prior art, the universal platform of the embodiment is arranged on the same crawler running system, integrates oil-electricity dual power in a front driving mode and a rear driving mode, controls flexible rope pulling wires to stretch and retract through the operating handle, realizes the clutch of driving wheel output power, has the advantages of simple structure of a transmission system, convenience in dual power switching, continuous and adjustable operation speed, in-situ steering and the like, and meets the requirements of open field and facility operation.
Claims (4)
1. The utility model provides a self-propelled dual-power universal platform of track, includes the frame of settling on the caterpillar chassis, its characterized in that: the front side of the frame is provided with a mechanical gearbox driven by an engine, and the output end of the mechanical gearbox is in transmission connection with front driving wheels at two sides of the crawler chassis through front clutch devices at two sides; the rear side of the frame is provided with a motor which is respectively connected with rear driving wheels on two sides of the crawler chassis through a rear clutch device in a transmission way; the control table at the front end of the frame is hinged with a main operating handle and two reversing operating handles which are separated left and right respectively; the hinge shaft of the main operating handle radially extends out of a pair of front rocker arms and a pair of rear rocker arms respectively;
the outer end of the front rocker arm is hinged with the upper end of the front driving connecting rod, and the lower end of the front driving connecting rod is hinged with a pull head at one end of the front soft rope; the other end of the front soft rope is hinged with one end of a front clutch swing rod, the other end of the front clutch swing rod is connected with a front shifting fork hinged on a front clutch bracket, and the front shifting fork is provided with two limit positions for enabling a front clutch device to be in transmission connection with and transmission separation from a front driving wheel;
the outer end of the rear rocker arm is hinged with the upper end of the rear driving connecting rod, and the lower end of the rear driving connecting rod is hinged with a pull head at one end of the rear soft rope; the other end of the rear soft rope is hinged with one end of a rear clutch swing rod, the other end of the rear clutch swing rod is connected with a rear shifting fork hinged on a rear clutch bracket, and the rear shifting fork is provided with two limit positions for enabling a rear clutch device to be in transmission separation and transmission connection with a rear driving wheel;
the hinged shaft of the reversing operation handle is hinged with the upper end of the vertical connecting rod through an extension arm, and the lower end of the vertical connecting rod is hinged with the forward and reverse rotation switching piece of the transmission gear of the mechanical gearbox;
the engine is in transmission connection with the mechanical gearbox through a high-low speed transmission box; the front clutch device comprises a front clutch fixed disc fixed on the corresponding clutch shaft and a front clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the front clutch movable disc is abutted against the corresponding pressure spring; the outer circle of the front clutch moving disc is provided with a sliding groove embedded into the front shifting fork.
2. The self-propelled dual-power universal platform of claim 1, wherein: the rear clutch device comprises a rear clutch fixed disc fixed on the corresponding clutch shaft and a rear clutch movable disc movably sleeved on the corresponding clutch shaft, and the inner end of the rear clutch movable disc is abutted against the corresponding pressure spring; the excircle of the rear clutch moving disc is provided with a sliding groove embedded into the rear shifting fork.
3. The self-propelled dual-power universal platform of claim 2, wherein: the control table at the front end of the frame is also provided with a motor advancing and steering handle.
4. The self-propelled dual-power universal platform of claim 3, wherein: an engine positioned under the seat is arranged on the front side of a frame arranged on the crawler chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126077.6A CN109795567B (en) | 2019-02-20 | 2019-02-20 | Caterpillar self-propelled double-power universal platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910126077.6A CN109795567B (en) | 2019-02-20 | 2019-02-20 | Caterpillar self-propelled double-power universal platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109795567A CN109795567A (en) | 2019-05-24 |
| CN109795567B true CN109795567B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910126077.6A Active CN109795567B (en) | 2019-02-20 | 2019-02-20 | Caterpillar self-propelled double-power universal platform |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001030943A (en) * | 1996-09-20 | 2001-02-06 | Yanmar Agricult Equip Co Ltd | Movable agricultural machine |
| CN101954934A (en) * | 2010-02-10 | 2011-01-26 | 陈南海 | Wheel and crawler combined off-road vehicle |
| CN204652965U (en) * | 2015-04-13 | 2015-09-23 | 王占领 | Before push away rolling support formula excavating machine of underground tuber crawler belt reaping machine |
| CN104982151A (en) * | 2015-07-30 | 2015-10-21 | 山东巨明机械有限公司 | Miniature track-laying corn-harvester |
| CN106211830A (en) * | 2016-08-01 | 2016-12-14 | 太仓市项氏农机有限公司 | The self-propelled motor chassis of Bidirectional power output before and after a kind of band |
| CN108860343A (en) * | 2018-08-03 | 2018-11-23 | 第拖拉机股份有限公司 | Floods and droughts dual-purpose type crawler tractor |
| CN209870585U (en) * | 2019-02-20 | 2019-12-31 | 农业农村部南京农业机械化研究所 | Self-propelled dual-power universal platform with crawler belt |
-
2019
- 2019-02-20 CN CN201910126077.6A patent/CN109795567B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001030943A (en) * | 1996-09-20 | 2001-02-06 | Yanmar Agricult Equip Co Ltd | Movable agricultural machine |
| CN101954934A (en) * | 2010-02-10 | 2011-01-26 | 陈南海 | Wheel and crawler combined off-road vehicle |
| CN204652965U (en) * | 2015-04-13 | 2015-09-23 | 王占领 | Before push away rolling support formula excavating machine of underground tuber crawler belt reaping machine |
| CN104982151A (en) * | 2015-07-30 | 2015-10-21 | 山东巨明机械有限公司 | Miniature track-laying corn-harvester |
| CN106211830A (en) * | 2016-08-01 | 2016-12-14 | 太仓市项氏农机有限公司 | The self-propelled motor chassis of Bidirectional power output before and after a kind of band |
| CN108860343A (en) * | 2018-08-03 | 2018-11-23 | 第拖拉机股份有限公司 | Floods and droughts dual-purpose type crawler tractor |
| CN209870585U (en) * | 2019-02-20 | 2019-12-31 | 农业农村部南京农业机械化研究所 | Self-propelled dual-power universal platform with crawler belt |
Non-Patent Citations (1)
| Title |
|---|
| 果园机械用四轮联动转向装置结构、性能分析;杜志高;吕兴明;张俊三;;新疆农机化(03);5-6 * |
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