CN103168519B - Hoe entering depth and entering angle continuous adjusting mechanism - Google Patents
Hoe entering depth and entering angle continuous adjusting mechanism Download PDFInfo
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- CN103168519B CN103168519B CN201310123413.4A CN201310123413A CN103168519B CN 103168519 B CN103168519 B CN 103168519B CN 201310123413 A CN201310123413 A CN 201310123413A CN 103168519 B CN103168519 B CN 103168519B
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- depth adjustment
- cutter
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Abstract
The invention relates to the technical field of modern agricultural equipment, and in particular relates to a hoe entering depth and entering angle continuous adjusting mechanism. The hoe entering depth and entering angle continuous adjusting mechanism comprises a stander (5) which is fixedly connected with a carrier (6), a connecting plate (1) which is fixedly connected with a cutter, an entering angle adjusting mechanism and an entering depth adjusting mechanism. The hoe entering depth and entering angle continuous adjusting mechanism is simple in structure, effective, convenient to machine and install and strong in practicability. The entering angle of the cutter is adjusted by adopting a four-bar mechanism with an adjustable side link; the entering depth of the cutter is adjusted by adopting a five-bar mechanism with two degrees of adjustable freedom of a side link and no dead point (as shown in figure 4), or the entering depth of the cutter is adjusted by adopting a four-bar mechanism with one degree of adjustable freedom of a side link and no dead point through the deformation (as shown in figure 5); and moreover, the cutter is enabled to have a function to float upwards after being stressed, so that a buffering effect can be realized, the cutter and a cutter connecting piece can be protected, and the service lives of the cutter and the cutter connecting piece can be prolonged.
Description
Technical field
The present invention relates to agriculture equipment technical field, especially relate to a kind of tine embedded depth and angle of penetration continuous regulation mechanism, it is applicable to hoe up weeds cutter or the unit of hoeing up weeds (cutter of hoeing up weeds of self-powered element or checkout gear) of various grass-remover.
Background technology
Early 1960s, China proposes a slogan according to national conditions at that time to agricultural development: the fundamental solution of agricultural is mechanization.After passing by for many years, the many areas of China substantially achieve do mechanization operation on the main production link of some crops, the new situations occurred in the face of domestic and international agricultural production and new feature, and agricultural machinery development also must adapt with it.The experience of foreign agricultural machinery development, Tendency of Agricultural Machinery in China also should progressively change to automation, intellectuality and the direction that becomes more meticulous.
Farmland mechanical cultivation or machinery are hoed up weeds, and all can relate to the problem of various agricultural cutter, and as cultivator, rotovator, grass-remover, shaper and grain header etc., these cutters solve the operation of corresponding land for growing field crops.Cutter or unit of hoeing up weeds (cutter of hoeing up weeds of self-powered element or the checkout gear) major part of hoeing up weeds is connected on feeler mechanism to use, ensure by contour wheel and ground profiling the embedded depth that tine is constant, but the embedded depth of most of cutter is uncontrollable.But find in operation or experiment, adopt different embedded depths and angle of penetration can reach more preferably operation effectiveness for Different Crop, different soils speciality, different soil moisture and different plant at different growing stage.
And, because agricultural cutter or cutter of hoeing up weeds all will bury the reason of work, cutter bottom should be positioned at the bottommost of whole agricultural machinery, when machine is put down preparation, must be that cutter first lands, therefore cutter or tool coupling such as motor shaft, sensor axis etc. will bear the gravity of whole machine, make cutter and tool coupling easily damage like this and have shortened service life.
Summary of the invention
For the problems referred to above, the invention provides a kind of tine embedded depth and angle of penetration continuous regulation mechanism, it according to actual needs, can regulate embedded depth, angle of penetration, and play cushioning effect after cutter is stressed, thus protection cutter.
For achieving the above object, the invention provides following technical scheme:
A kind of tine embedded depth and angle of penetration continuous regulation mechanism, comprise the frame 5 that is fixedly connected with carrier 6 and the connecting plate 1 for being fixedly connected with cutter, it is characterized in that: described continuous regulation mechanism comprises bury angle adjusting mechanism and embedded depth governor motion, wherein
Described angle of penetration governor motion comprises the side link 3 of the structure that takes the shape of the letter U, and its U-shaped base is connected rotationally with connecting plate 1, and two sides of U-shaped openend are connected rotationally with frame 5 respectively; And the angular adjustment side link 4 that two ends are connected rotationally with connecting plate 1 and frame 5 respectively, described angular adjustment side link 4 is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread;
Described embedded depth governor motion comprises and is rotatably connected in frame 5 and the depth adjustment side link of adjustable in length; One end is connected rotationally with a side of the U-shaped openend of side link 3, the depth adjustment connecting rod 2 that the other end is connected rotationally with described depth adjustment side link, wherein said depth adjustment connecting rod 2 is also provided with the alignment pin 10 preventing depth adjustment connecting rod 2 and depth adjustment side link conllinear.
Depth adjustment side link in described embedded depth governor motion is the first depth adjustment side link 9, and described embedded depth governor motion comprises and is rotatably connected in frame 5 and is provided with the first rotary gemel 7 of screwed hole; Surface is furnished with externally threaded first depth adjustment side link 9, and it is through the through hole on the second rotary gemel 8, and is threaded with the first rotary gemel 7 through the screwed hole of the first rotary gemel 7; Second rotary gemel 8, it is connected on the first depth adjustment side link 9 by the through hole on it slidably; One end is connected rotationally with a side of the U-shaped openend of side link 3, the depth adjustment connecting rod 2 that the other end is connected with the first depth adjustment side link 9 rotationally by the second rotary gemel 8.
Depth adjustment side link in described embedded depth governor motion is the second depth adjustment side link 11, and described embedded depth governor motion comprises the second depth adjustment side link 11 be connected rotationally with frame 5, described second depth adjustment side link 11 is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread; One end is connected rotationally with side link 3, the depth adjustment connecting rod 2 that the other end is connected rotationally with the second depth adjustment side link 11.
Compared with prior art, the present invention has the following advantages:
A kind of tine embedded depth of the present invention and angle of penetration continuous regulation mechanism structure simply, effectively, and are processed easy for installation, practical, and the quadric chain that it adopts a side link adjustable regulates cutter angle of penetration; Adopt the adjustable degree of freedom of a side link to be 2 and without dead point five-bar mechanism regulate cutter embedded depth (as Fig. 4); or by distortion; the adjustable degree of freedom of a side link is adopted to be 1 and the embedded depth (as Fig. 5) of cutter reconciled by quadric chain without dead point; and make cutter have stressed function of upwards floating; play cushioning effect; thus protection cutter and tool coupling, increase its service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of tine embedded depth of the present invention and angle of penetration continuous regulation mechanism;
Fig. 2 is the mounting plane of connecting plate 1 when being in vertical position, the end view of first embodiment of the invention;
Fig. 3 is the structural representation of the second embodiment of tine embedded depth of the present invention and angle of penetration continuous regulation mechanism;
Fig. 4 is the kinematic sketch of embedded depth governor motion in first embodiment of the invention;
Fig. 5 is the kinematic sketch of embedded depth governor motion in second embodiment of the invention.
Reference numeral
1 connecting plate 2 depth adjustment connecting rod
3 side link 4 angular adjustment side links
5 frame 6 carriers
7 first rotary gemel 8 second rotary gemels
9 first depth adjustment side link 10 alignment pins
11 second depth adjustment side links
Embodiment
Below, by reference to the accompanying drawings with embodiment, explain a kind of tine embedded depth of the present invention and angle of penetration continuous regulation mechanism further.
Embodiment 1
As shown in Figure 1, the tine embedded depth of the present embodiment and angle of penetration continuous regulation mechanism are especially for the adjustment of the cutter of hoeing up weeds of hoe up weeds cutter or the self-powered element of tine unit or the checkout gear of various grass-remover, comprise the frame 5 be fixedly connected with carrier 6, for being fixedly connected with the connecting plate 1 of cutter, angle of penetration governor motion and embedded depth governor motion.
Wherein, carrier 6 can be any farm machinery needing to regulate cutter embedded depth or angle of penetration, or parallelogram feeler mechanism.Connecting plate 1 can be bolted to connection agricultural cutter or cutter unit of hoeing up weeds.
Angle of penetration governor motion comprises the side link 3 of the structure that takes the shape of the letter U, and its U-shaped base is connected by hinge rotationally with connecting plate 1, and two sides of U-shaped openend are connected by hinge rotationally with frame 5 respectively; And the angular adjustment side link 4 that two ends are connected rotationally respectively by hinge and connecting plate 1 and frame 5, angular adjustment side link 4 is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread, the length of varied angle adjustment side link 4 of can being upgraded professional title and rank by applying rules for other sectors by rotating nut.
Like this, the connecting plate 1 of the present embodiment, side link 3, angular adjustment side link 4 and frame 5 constitute four rotary gemels and have the four-bar linkage structure of a side link adjustable in length.When adjusting angle regulates the length of side link 4 to equal the length of side link 3, the mounting plane of connecting plate 1 is in vertical position, as shown in Figure 2.When the length of angular adjustment side link 4 is greater than side link 3, the mounting plane of connecting plate 1 and perpendicular present the angle of θ degree.Regulate the mounting plane of connecting plate 1 and the angle theta of perpendicular by the length changing angular adjustment side link 4, thus regulate the angle of penetration being arranged on connecting plate 1 and fixing a cutting tool.
Because Cutting tool installation manner is on connecting plate 1, so change connecting plate 1 apart from the distance on ground, the embedded depth of cutter just can be changed.Operationally, due to gravity, the extreme lower position that side link 3 moves downward for driving link, just can regulate the embedded depth of cutter to cutter by the limit extreme lower position adjusting side link 3.
Embedded depth governor motion comprises the first rotary gemel 7, second rotary gemel 8, first depth adjustment side link 9 and depth adjustment connecting rod 2.
Wherein, the first rotary gemel 7 is provided with screwed hole, and is rotatably connected in frame 5.
The end surface of the first depth adjustment side link 9 is furnished with external screw thread, and it through the through hole on the second rotary gemel 8, and is threaded with the first rotary gemel 7 by the screwed hole of the first rotary gemel 7.Because the first rotary gemel 7 can rotate relative to frame 5, and the first depth adjustment side link 9 is threaded with the first rotary gemel 7, and therefore, the first depth adjustment side link 9 can rotate relative to frame 5.And, can change by rotating the first depth adjustment side link 9 length that first depth adjustment side link 9 is screwed into the first rotary gemel 7, thus change the distance (distance as between the CD in Fig. 4) between the spacing end face that moves on the first depth adjustment side link 9 of the second rotary gemel 8 and the first rotary gemel 7.
Second rotary gemel 8, it is connected on the first depth adjustment side link 9 by the through hole on it slidably, and can rotate on depth adjustment connecting rod 2, so the first depth adjustment side link 9 also can rotate by relative depth regulating connecting rod 2 owing to being with the second rotary gemel 8 of through hole.
Depth adjustment connecting rod 2, its one end is connected rotationally with a side of the U-shaped openend of side link 3, and the other end is connected with the first depth adjustment side link 9 rotationally by the second rotary gemel 8.Wherein said depth adjustment connecting rod 2 is also provided with the alignment pin 10 preventing depth adjustment connecting rod 2 and the first depth adjustment side link 9 conllinear.
In the present embodiment, embedded depth governor motion has 4 revolute pairs, and the degree of freedom of 1 moving sets is the five-bar mechanism of 2.During the work of the embedded depth governor motion of the present embodiment, when side link 3 is positioned at limit extreme lower position, distance between the second rotary gemel 8 and the first rotary gemel 7 is adjusted by rotating the first depth adjustment side link 9, change the extreme position that the second rotary gemel 8 slides on the first depth adjustment side link 9, final change side link 3 limit extreme lower position.
Alignment pin 10 is fixedly connected on depth adjustment connecting rod 2, mainly play a part spacing, make five-bar mechanism cannot enter the dead-centre position (professional term of quadric chain in theory of mechanics, refer to that angle of rotation is the situation of 0, there is " dieback " phenomenon in double leval jib framework, driving link cannot rotate).Limit extreme lower position due to side link 3 be depth adjustment connecting rod 2 and the first depth adjustment side link 9 conllinear time position, namely dead-centre position.Alignment pin 10 is arranged on depth adjustment connecting rod 2, limits the anglec of rotation of the relative side link 3 of depth adjustment connecting rod 2, make depth adjustment connecting rod 2 and the first depth adjustment side link 9 cannot conllinear, therefore overcome dead-centre position.
The course of work:
The present embodiment can be arranged on agricultural machinery by bolt and use, and is mainly used in agricultural cutter embedded depth, the adjustment of angle of penetration and the stressed buffering of cutter, especially for the cutter or hoe up weeds unit of hoeing up weeds of grass-remover.Before work, first by Cutting tool installation manner on connecting plate 1, farm machinery be in lift off working state time adjustment tine embedded depth and angle of penetration, reach the position that operation needs, concrete control method is as follows.
The adjustment of angle of penetration: regulate the nut sleeve of side link 4 to change the length of angular adjustment side link 4 by the anglec of rotation, regulate the mounting plane of connecting plate 1 and the angle theta of perpendicular, thus change the angle of penetration being arranged on connecting plate 1 and fixing a cutting tool.Length variations due to angular adjustment side link 4 is continuous print, and therefore tine angle of penetration regulates also is continuous quantity.
Embedded depth regulates: rotate the first depth adjustment side link 9 by different directions, it is made to be screwed into the length variations of rotary gemel 7 with threaded hole, thus the distance changed between the spacing end face of the second rotary gemel 8 and the first rotary gemel 7, change the extreme position that the second rotary gemel 8 slides on the first depth adjustment side link 9, thus change depth adjustment side link 3 limit extreme lower position.Fig. 4 is the kinematic sketch of the present embodiment, and wherein, A representative connects the hinge of side link 3 and frame 5, and B representative connects the hinge of side link 3 and depth adjustment connecting rod 2, and C represents the second rotary gemel 8, D and represents the first rotary gemel 7, E and represent alignment pin 10.From Fig. 4-2. to Fig. 4-3. can see that the distance CD is elongated, make slide block C, namely the mobilizable extreme position of the second rotary gemel 8 changes, the deflection angle of side link 3 is made to change to α 2 degree from α 1 degree, thus make side link 3 end change to h3 to the distance on ground from h2, change the embedded depth of cutter thus.
After the embedded depth of cutter and angle of penetration regulate, namely can use.
The stressed pooling feature of the present embodiment: before work, farm machinery are slowly put in the process of working depth, cutter is kiss the earth first, be subject to ground support force upwards afterwards, this power is delivered on side link 3, side link 3 is stressed to move upward, and the stressed of cutter is cushioned, as shown in Fig. 4-1..Due to the reason of gravity and soil resistance in the cutter course of work, side link 3 has got back to again the position of limit minimum point, namely embedded depth governor motion is from Fig. 4-1. become 4-2., and stressed the moving upward of side link 3 makes end become h1 to the distance on ground, and h1-h2 just in time equals the embedded depth of cutter.
Embodiment 2
As shown in Figure 3, the tine embedded depth of the present embodiment and angle of penetration continuous regulation mechanism comprise the frame 5 be fixedly connected with carrier 6, for being fixedly connected with the connecting plate 1 of cutter, and angle of penetration governor motion and embedded depth governor motion.
Its mid frame 5, connecting plate 1 and angle of penetration governor motion are in the same manner as in Example 1, the content of its structure and course of work reference embodiment 1.
In the present embodiment, embedded depth governor motion comprises the second depth adjustment side link 11 be connected rotationally by hinge and frame 5, described second depth adjustment side link 11 is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread; One end is connected with side link 3 rotationally by hinge, the depth adjustment connecting rod 2 that the other end is connected with the second depth adjustment side link 11 rotationally by hinge, wherein said depth adjustment connecting rod 2 is also provided with the alignment pin 10 preventing depth adjustment connecting rod 2 and the second depth adjustment side link 11 conllinear.
In embodiment 1, depth adjustment connecting rod 2 not only can be rotated relative to the first depth adjustment side link 9 by the second rotary gemel 8, can also slide on the axial direction of the first depth adjustment connecting rod 9.But in the present embodiment, depth adjustment bar 2 only can rotate relative to the second depth adjustment side link 11.
Fig. 5 is the kinematic sketch of embedded depth governor motion in second embodiment of the invention, wherein, A representative connects the hinge of side link 3 and frame 5, B representative connects the hinge of side link 3 and depth adjustment connecting rod 2, C represents the hinge of connection second depth adjustment side link 11 and depth adjustment connecting rod 2, D represents the hinge of connection second depth adjustment side link 11 and frame 5, and E represents alignment pin 10.In Fig. 5 1., 2., 3. with movement position respectively corresponding diagram 4 in 1., 2., 3..
As shown in Figure 5, the present embodiment the five-bar mechanism that degree of freedom in embodiment 1 is 2 is converted into 1 side link is adjustable and degree of freedom is the quadric chain of 1, and achieves embedded depth equally and regulate and the function of stressed buffering.
The embedded depth regulatory function of the present embodiment: the length being changed the second depth adjustment side link 11 by the nut sleeve rotating the second depth adjustment side link 11, thus the distance changed between CD, from Fig. 5-2. to Fig. 5-3. can see that the distance CD is elongated, the deflection angle of side link 3 is made to change to α 2 degree from α 1 degree, thus make side link 3 end change to h3 to the distance on ground from h2, change the embedded depth of cutter thus.
The stressed pooling feature of the present embodiment: before work, farm machinery are slowly put in the process of working depth, cutter is kiss the earth first, be subject to ground support force upwards afterwards, this power is delivered on side link 3, side link 3 is stressed to move upward, and the stressed of cutter is cushioned, as shown in Fig. 5-1..Due to the reason of gravity and soil resistance in the cutter course of work, side link 3 got back to again limit minimum point for putting, namely embedded depth governor motion is from Fig. 5-1. become 5-2., and stressed the moving upward of side link 3 makes end become h1 to the distance on ground, and h1-h2 just in time equals the embedded depth of cutter.
Claims (3)
1. a tine embedded depth and angle of penetration continuous regulation mechanism, comprise the frame (5) that is fixedly connected with carrier (6) and the connecting plate (1) for being fixedly connected with cutter, it is characterized in that: described continuous regulation mechanism comprises bury angle adjusting mechanism and embedded depth governor motion, wherein
Described angle of penetration governor motion comprises the side link (3) of the structure that takes the shape of the letter U, and its U-shaped base is connected rotationally with connecting plate (1), and two sides of U-shaped openend are connected rotationally with frame (5) respectively; And the angular adjustment side link (4) that two ends are connected rotationally with connecting plate (1) and frame (5) respectively, described angular adjustment side link (4) is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread;
Described embedded depth governor motion comprises and is rotatably connected in frame (5) and the depth adjustment side link of adjustable in length; And one end is connected rotationally with a side of the U-shaped openend of side link (3), the depth adjustment connecting rod (2) that the other end and described depth adjustment side link are connected rotationally, wherein said depth adjustment connecting rod (2) is also provided with the alignment pin (10) preventing depth adjustment connecting rod (2) and depth adjustment side link conllinear.
2. tine embedded depth as claimed in claim 1 and angle of penetration continuous regulation mechanism, is characterized in that:
Depth adjustment side link in described embedded depth governor motion is the first depth adjustment side link (9), and,
Described embedded depth governor motion comprises that to be rotatably connected to frame (5) upper and be provided with first rotary gemel (7) of screwed hole; Surface is furnished with externally threaded first depth adjustment side link (9), it is through the through hole on the second rotary gemel (8), and is threaded with the first rotary gemel (7) through the screwed hole of the first rotary gemel (7); Second rotary gemel (8), it is connected on the first depth adjustment side link (9) by the through hole on it slidably; And one end is connected rotationally with a side of the U-shaped openend of side link (3), the depth adjustment connecting rod (2) that the other end is connected with the first depth adjustment side link (9) rotationally by the second rotary gemel (8).
3. tine embedded depth as claimed in claim 1 and angle of penetration continuous regulation mechanism, is characterized in that:
Depth adjustment side link in described embedded depth governor motion is the second depth adjustment side link (11), and
Described embedded depth governor motion comprises the second depth adjustment side link (11) be connected rotationally with frame (5), described second depth adjustment side link (11) is furnished with two sections of contrary screw threads of direction of rotation, and it is provided with the nut sleeve with the internal thread matched with the direction of rotation of described screw thread; And one end is connected rotationally with side link (3), the depth adjustment connecting rod (2) that the other end is connected rotationally with the second depth adjustment side link (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123413.4A CN103168519B (en) | 2013-04-10 | 2013-04-10 | Hoe entering depth and entering angle continuous adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123413.4A CN103168519B (en) | 2013-04-10 | 2013-04-10 | Hoe entering depth and entering angle continuous adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103168519A CN103168519A (en) | 2013-06-26 |
| CN103168519B true CN103168519B (en) | 2015-06-17 |
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| CN201310123413.4A Expired - Fee Related CN103168519B (en) | 2013-04-10 | 2013-04-10 | Hoe entering depth and entering angle continuous adjusting mechanism |
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| CN105612831B (en) * | 2016-03-16 | 2018-10-09 | 临泽县众志科技开发有限公司 | The mini-tiller articulated device of adjustable ploughshare angle |
| CN109362378A (en) * | 2018-11-14 | 2019-02-22 | 河北农业大学 | Double-circular-blade-cutter floating stubble cutting device |
| CN109644600B (en) * | 2019-01-15 | 2021-11-12 | 吉林大学 | Adjustable hanging device with resistance and operation depth stability monitoring function |
| DE102019218185A1 (en) * | 2019-11-25 | 2021-05-27 | Robert Bosch Gmbh | Attachment for an agricultural machine |
| CN111279816B (en) * | 2020-04-13 | 2022-04-22 | 淮安文信科技有限公司 | Rotary tillage stubble burying device for wheat seeder suitable for wet and rotten fields |
| CN112544136B (en) * | 2020-12-10 | 2022-05-27 | 浙江理工大学 | Variable plant spacing inter-plant weeding tail end execution device based on non-circular gear transmission |
| CN114258738B (en) * | 2022-03-01 | 2022-05-10 | 烟台市蓬莱区蓬莱阁街道农业综合服务中心(挂烟台市蓬莱区蓬莱阁街道农产品质量安全监督管理站、烟台市蓬莱区蓬莱阁街道水利站牌子) | Soil loosening depth adjusting device of agricultural subsoiler |
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| CN2257429Y (en) * | 1996-06-25 | 1997-07-09 | 河南省夏邑县机械厂 | Single plow lift mechanism complement with motor-driven tricycle |
| CN201774807U (en) * | 2010-08-05 | 2011-03-30 | 李金泽 | Row spacing adjustment mechanism |
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| DE102011101714A1 (en) * | 2011-05-17 | 2012-11-22 | Robert Bosch Gmbh | Method of electrohydraulic hoist control and control unit for electrohydraulic hoist control |
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2013
- 2013-04-10 CN CN201310123413.4A patent/CN103168519B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084275U (en) * | 1990-11-20 | 1991-09-11 | 卞军 | Motive double-adjustment cultivation plough |
| CN2257429Y (en) * | 1996-06-25 | 1997-07-09 | 河南省夏邑县机械厂 | Single plow lift mechanism complement with motor-driven tricycle |
| CN201774807U (en) * | 2010-08-05 | 2011-03-30 | 李金泽 | Row spacing adjustment mechanism |
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| DE102011101714A1 (en) * | 2011-05-17 | 2012-11-22 | Robert Bosch Gmbh | Method of electrohydraulic hoist control and control unit for electrohydraulic hoist control |
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