CN104303634B - A kind of tiller crank block type lifting device of agricultural machine - Google Patents
A kind of tiller crank block type lifting device of agricultural machine Download PDFInfo
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- CN104303634B CN104303634B CN201410530080.1A CN201410530080A CN104303634B CN 104303634 B CN104303634 B CN 104303634B CN 201410530080 A CN201410530080 A CN 201410530080A CN 104303634 B CN104303634 B CN 104303634B
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- bar
- implement
- agricultural machinery
- lever
- pull bar
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Abstract
A kind of tiller crank block type lifting device of agricultural machine, including agricultural machinery and implement, frame and the lever dolly being arranged in frame and pull bar support, agricultural machinery and implement one end is hinged in frame, and agricultural machinery and implement are provided with the connecting rod for connecting hoisting mechanism；Hoisting mechanism includes lift lever and V-type pull bar, V-type pull bar is made up of the bar I and bar II intersecting setting, bar I is connected with connecting rod, a chute is offered on bar II, one end of lift lever is fixing with a rotating shaft being arranged on lever dolly to be connected, a toggle-action lever it is further fixed in this rotating shaft, the end of toggle-action lever is provided with a slide block, slide block is arranged in chute, and and by the linkage of toggle-action lever and V-type pull bar can be dropped the degree of depth be adjusted the lifting of agricultural machinery and implement when lift lever rotates.Present invention achieves the multiple different suspension arrangements of agricultural machinery and implement on tiller, the free portable of agricultural machinery and implement promotes and effective control of tilling depth, reduces labor intensity, improves farming efficiency.
Description
Technical field
The present invention relates to agricultural machinery equipment technical field, a kind of tiller crank block type lifting device of agricultural machine.
Background technology
Tiller has simple in construction, easy to operate advantage due to it, and at China's wide geographic area, find broad application in particularly southwest and some knobs.But owing to tiller volume structure is little, its space that can arrange is the least, causing a lot of common farm machinery, such as, the hydraulic lifting apparatus on common agricultural machinery and implement can not directly arrange that utilization is at tiller.Which results in some aspects, the operation convenience of tiller is substantially reduced, and limits the range of itself.More particularly tilling depth is required miniature rotary cultivator, in order to meet its requirement to the rotary tillage degree of depth, many producers tiller do heavier, rely on the gravity of tiller self to meet the requirement of tilling depth；Also have currently on the market and directly the two of tiller road wheels are directly removed, walking axle fills the rotary tilling-type tiller of rotary tillage machine, although this way meets the requirement of tilling depth, but during farming, due to the reason such as be uneven on ground, need rotary cultivator is carried out the regulation of tilling depth.And, when cultivating the two ends ploughed, owing to there is no the support of road wheel, rotary tillage machine cannot promote, and steering operation is inconvenient, needs artificially to lift, waste time and energy, and this tiller can only configure a kind of single agricultural machinery and implement, and function is the most single, it is impossible to meets the job requirements of agricultural diversification.Simultaneously as tiller operationally supports by rotary tillage machine below, the circumnutation of rotary cultivator can cause the and then vibration of whole machine, easily makes operator produce feeling of fatigue.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of novel tiller crank block type lifting device of agricultural machine, realize the multiple different suspension arrangements of agricultural machinery and implement on tiller, the free portable of agricultural machinery and implement promotes and effective control of tilling depth, and then reduction labor intensity, improve farming efficiency.
The present invention solves above-mentioned technical problem, be the technical scheme is that a kind of tiller crank block type lifting device of agricultural machine, including agricultural machinery and implement, frame and the lever dolly being arranged in frame and pull bar support, one end of described agricultural machinery and implement is hinged in frame, agricultural machinery and implement is additionally provided with one for the connecting rod connecting hoisting mechanism；
Described hoisting mechanism includes a lift lever and a V-type pull bar, described V-type pull bar is made up of the bar I and bar II intersecting setting, the intersection of bar I and bar II is hinged on pull bar support, and the end of bar I is connected with the connecting rod on agricultural machinery and implement, a chute is offered along its length on bar II, one end of described lift lever is fixing with a rotating shaft being arranged on lever dolly to be connected, a toggle-action lever it is further fixedly arranged in this rotating shaft, the end of described toggle-action lever is fixedly installed a slide block, this slide block is arranged on bar II in the chute offered, and and by the linkage of toggle-action lever and V-type pull bar can drop the degree of depth be adjusted the lifting of agricultural machinery and implement when lift lever rotates.
It is provided with multiple ball in the chute of described bar II.
Beneficial effect:
1, during slide block movement, there is extreme position due to crank block type mechanism, and V-arrangement pull bar is less than angle of friction, so slide block can be in self-locking state at any time to the total force of toggle-action lever with the angle of both contact surface normals.Therefore tilling depth effectively can be controlled by this device by the assurance of slide position, and device itself controls tilling depth, rapid operation, good practical effect without relying on the own wt increasing rotary tillage agricultural machinery and implement.
2, the present invention expands the function of tiller, as long as there being suitable suspension arrangement just to can be used to mount other agricultural machinery and implement and the regulation completing the lifting to agricultural machinery and implement on agricultural machinery and implement.
3, the slider-crank mechanism that the present invention uses belongs to common mechanism, its simple in construction, low cost of manufacture, without using complicated technique in the course of processing.
4, this apparatus structure is simple, reasonable in design, easy to operate, and user, while controlling tiller advance and turning to, can handle the lifting of these agricultural machinery and implement easily and drop, and contributes to reducing labor intensity, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Graphical indicia: 1, agricultural machinery and implement, 101, connecting rod, 2, V-type pull bar, 201, bar I, 202, bar II, 3, toggle-action lever, 4, lift lever, 5, lever dolly, 6, pull bar support, 7, frame, 8, chute.
Detailed description of the invention
The present invention will be further described in detail with specific embodiment below in conjunction with the accompanying drawings:
A kind of tiller crank block type lifting device of agricultural machine, including agricultural machinery and implement 1, frame 7 and the lever dolly 5 being arranged in frame 7 and pull bar support 6, one end of described agricultural machinery and implement 1 is hinged in frame 7, agricultural machinery and implement 1 is additionally provided with one for connecting the connecting rod 101 driving its hoisting mechanism promoted；
nullDescribed hoisting mechanism includes a lift lever 4 and a V-type pull bar 2，Described V-type pull bar 2 is made up of bar I 201 and the bar II 202 of crossing setting，The intersection of bar I 201 and bar II 202 is hinged to be arranged on pull bar support 6，And the end of bar I 201 is connected with the connecting rod 101 on agricultural machinery and implement 1，Bar II 202 offers a chute 8 on along its length，It is provided with multiple ball in this chute 8，Described lift lever 4 is arranged in lever dolly 5 by an axis of rotation，A toggle-action lever 3 it is further fixedly arranged in this rotating shaft，And the rotation of lift lever 4 can drive the toggle-action lever 3 being coaxial therewith to move up and down，The end of described toggle-action lever 3 is further fixedly arranged on a slide block，This slide block is arranged on bar II 202 in the chute 8 offered，And to the lifting of agricultural machinery and implement 1 by the linkage of toggle-action lever 3 and V-type pull bar 2 and the degree of depth can be dropped be adjusted under the rotary action of lift lever 4.
A kind of tiller crank block type lifting device of agricultural machine designed by the present invention is during specifically used: when agricultural machinery and implement are in running order, operator following pressure can rotate and upgrade lever, lift lever drives coaxial toggle-action lever to rotate down, and then move down in promoting the slide block of the toggle-action lever end chute on V-type pull bar, after the tilling depth agricultural machinery and implement connected on tiller being depressed into regulation, now, the slide block of toggle-action lever arrives the lowermost end of V-arrangement pull bar chute, V-arrangement pull bar is less than angle of friction to the total force of toggle-action lever with the angle of both contact surface normals, so now, mechanism is in self-locking state.
When agricultural machinery and implement run in the course of the work rugged ground need agricultural machinery and implement are adjusted time, operator only need a hands to rotate up lifting lift lever, and slide block moves upward in chute immediately, then complete to be adjusted the tilling depth of rotary tillage agricultural machinery and implement.When the two ends that arrival is ploughed need to turn to, operator only need to carry lift lever to peak, i.e. completes to promote.Press lift lever to minimum point after completing to turn to work still further below, i.e. return to required tilling depth operating position.Device entirety is possible not only to promote rotary tillage machine, control tilling depth, also reduces the labor intensity of operator, expands the function of tiller.As long as i.e. there being suitable suspension arrangement just to can be used to mount other agricultural machinery and implement and the regulation completing the lifting to agricultural machinery and implement on agricultural machinery and implement.The slider-crank mechanism that it uses belongs to conventional mechanism, simple in construction, low cost of manufacture.Tilling depth is controlled without increasing the own wt of rotary cultivator, practical and convenient.
Claims (2)
1. a tiller crank block type lifting device of agricultural machine, including agricultural machinery and implement (1), frame (7) and the lever dolly (5) being arranged in frame (7) and pull bar support (6), it is characterized in that: one end of described agricultural machinery and implement (1) is hinged in frame (7), agricultural machinery and implement (1) are additionally provided with one for the connecting rod (101) connecting hoisting mechanism；
nullDescribed hoisting mechanism includes a lift lever (4) and a V-type pull bar (2)，Described V-type pull bar (2) is made up of bar I (201) and the bar II (202) of crossing setting，The intersection of bar I (201) and bar II (202) is hinged on pull bar support (6)，And the end of bar I (201) is connected with the connecting rod (101) on agricultural machinery and implement (1)，A chute (8) is offered along its length on bar II (202)，One end of described lift lever (4) is arranged on one that the rotating shaft on lever dolly (5) is fixing to be connected，A toggle-action lever (3) it is further fixedly arranged in this rotating shaft，The end of described toggle-action lever (3) is fixedly installed a slide block，This slide block is arranged on bar II (202) in the chute (8) offered，And and by the linkage of toggle-action lever (3) and V-type pull bar (2) degree of depth can be dropped be adjusted the lifting of agricultural machinery and implement (1) when lift lever (4) rotates，And V-arrangement pull bar (2) is less than angle of friction to the total force of toggle-action lever (3) with the angle of both contact surface normals.
A kind of tiller crank block type lifting device of agricultural machine the most according to claim 1, it is characterised in that: it is provided with multiple ball in the chute (8) of described bar II (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530080.1A CN104303634B (en) | 2014-10-10 | 2014-10-10 | A kind of tiller crank block type lifting device of agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530080.1A CN104303634B (en) | 2014-10-10 | 2014-10-10 | A kind of tiller crank block type lifting device of agricultural machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104303634A CN104303634A (en) | 2015-01-28 |
| CN104303634B true CN104303634B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530080.1A Expired - Fee Related CN104303634B (en) | 2014-10-10 | 2014-10-10 | A kind of tiller crank block type lifting device of agricultural machine |
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| Country | Link |
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| CN (1) | CN104303634B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105027717B (en) * | 2015-07-14 | 2017-01-25 | 河南科技大学 | Adjustable lifting device for mini-tiller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116820U (en) * | 1981-01-13 | 1982-07-20 | ||
| CN2227397Y (en) * | 1995-05-15 | 1996-05-22 | 林春旭 | Small multipurpose and motor driving agricultural machinery |
| CN2514628Y (en) * | 2001-12-03 | 2002-10-09 | 王云起 | Side plough for walking tractor |
| CN202998795U (en) * | 2012-12-14 | 2013-06-19 | 盐城市盐海拖拉机制造有限公司 | Gear direct connection hydraulic suspension device |
| CN203353075U (en) * | 2013-07-23 | 2013-12-25 | 新疆农垦科学院 | Transport wheel lifting mechanism |
| CN204180491U (en) * | 2014-10-10 | 2015-03-04 | 河南科技大学 | A kind of mini-size tillage machine crank block type lifting device of agricultural machine |
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2014
- 2014-10-10 CN CN201410530080.1A patent/CN104303634B/en not_active Expired - Fee Related
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| CN104303634A (en) | 2015-01-28 |
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Granted publication date: 20160817 Termination date: 20171010 |