CN209376242U

CN209376242U - A kind of improved grain straw crushes the transmission mechanism of harvester

Info

Publication number: CN209376242U
Application number: CN201820406434.5U
Authority: CN
Inventors: 纪小坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-23
Filing date: 2018-03-23
Publication date: 2019-09-13
Anticipated expiration: 2028-03-23

Abstract

The utility model provides a kind of transmission mechanism of improved grain straw crushing harvester, by the way that a transmission case is arranged, reduces and is driven by electricity element and related components, increase mechanical transmission structure, structure setting is simpler reliable, and structure is more compact；Shield is kept off by setting, the blade that can be effectively prevent on roller knife drive mechanism, which falls off to fly up, hurts sb.'s feelings, while avoiding stalk fragment from flashing, and shape is more beautiful and generous；By the way that two roller knife drive mechanisms are arranged, the vibration and noise of equipment is substantially reduced, and the power output of axis part position is smaller, the service life of associated components is substantially increased, and greatly reduces maintenance input cost, more allowing blade replacement is more convenient, it is time saving and energy saving, it greatly improves work efficiency.The utility model structure is simple, reusable, economical and practical, and design is rationally, compact-sized, has good market prospects.

Description

A kind of improved grain straw crushes the transmission mechanism of harvester

Technical field

The utility model relates to technical field of agricultural mechanical equipment, and in particular to a kind of improved grain straw crushing harvesting The transmission mechanism of machine.

Background technique

Country advocates cereal straw-returning after harvesting at present, and crop straw burning is forbidden, while complete in infertile field of burying of then deep ploughing Do not crush at straw cutting, collecting or returning to the field or and put paving, this is just needed in harvesting, should harvesting grain fringe portion, also to gather in The stalk portion of cereal.The cutter device of harvester of today is all made of the single layer ceding of Taiwan, is all by the fringe portion of cereal and stalk portion It gathers in together, inside the grain straw cut off and grain ear together feeding harvester, completes threshing and simultaneously stalk is discharged.Its disadvantage It is that the stalk cut off is longer, feed quantity is big, influences Threshing, and machine loses that big, energy consumption is high, inefficiency；Meanwhile can exist A part of cereal grain, which is mixed into stalk, to be taken out of, and grain loss is big；Furthermore it is not easy after longer straw-returning decomposed as base manure.

Entitled " vibration damping, noise reduction transmission mechanism that a kind of grain straw crushes harvester ", which discloses, have been applied to this applicant A kind of transmission mechanism for the harvester with stalk smashing function can be realized and drive to pulverization roller knife up revolving speed, reduce Harvester power loss, the harvester include the support frame being hingedly arranged, and rotary type is arranged on moving body on support frame, and And the stalk pulverization roller knife of the crushing straw of two coaxial-symmetricals is set on support frame, and in above-mentioned ceding of Taiwan action process, stalk For pulverization roller knife also in high-speed rotation, the harvesting to grain tassel part is realized in the ceding of Taiwan, at the same in the crushing process of grain straw vibration damping, Excellent noise reduction effect.During use, due to using two transmission cases, and transmission case setting is being propped up for a whole set of above-mentioned mechanism Support front end, effectiveness in vibration suppression is to be improved, and is unfavorable for worker assembles and production, and roller blade structure is not protected, and is using It is easy to fly out when falling off in the process to hurt sb.'s feelings, it would be highly desirable to improve.

Utility model content

The purpose of this utility model is the presence of the above problem in view of the prior art, provides a kind of improved grain straw powder The transmission mechanism of broken harvester, design are rationally, compact-sized.

In order to achieve the above object, the utility model is achieved by the following technical programs:

A kind of improved grain straw crushes the transmission mechanism of harvester, including cutting with locomotive is hingedly arranged in Two stalk pulverization roller knives are arranged in the lower section coaxial-symmetrical of platform, the ceding of Taiwan；The stalk pulverization roller knife is flail knife axle assembly knot Structure；The outer end difference rotary type setting of two stalk pulverization roller knives is on the support frame；One end of support frame as described above is hingedly set It sets with locomotive, the articulated shaft of support frame as described above is horizontal and parallel with the mobile width direction of vehicle body；The mobile vehicle body On be provided with driving wheel；It is provided with lifting cylinder with the locomotive, the one of the piston rod of the lifting cylinder and support frame End is hinged, and the articulated shaft of lifting cylinder is horizontal and parallel with the mobile width direction of vehicle body；The driving wheel passes through with driven wheel Chain connection；The driven wheel is arranged on follower lever；The bar length direction level and the width direction with vehicle body of the follower lever In parallel, the follower lever rotary type is arranged with locomotive, and one end of the follower lever is provided with first driving wheel；Institute The first driving wheel is stated to be arranged in support frame as described above side；First driving wheel drives two on output shaft by a transmission case A 4th driving wheel, the 4th driving wheel pass through second of both ends on the 5th driving wheel and the 6th driving wheel and support frame respectively Driving wheel connection；Fragment position among the length direction of support frame is arranged in the transmission case；Two the second driving wheel difference The outer end of stalk pulverization roller knife is set；The gear shield of the stalk pulverization roller knife is additionally provided on support frame as described above.

Further, the 5th driving wheel and the 6th driving wheel fix the axial ends for being located at connecting shaft respectively；It is described 4th driving wheel is connect by belt with the 5th driving wheel；6th driving wheel passes through belt and second driving wheel Connection.

Further, the stalk pulverization roller knife includes the flail knife axis with the transmission connection of the second driving wheel, is consolidated on flail knife axis Multiple tool aprons are connected to, connection blade assembly is detachably fixed on each tool apron, multiple tool aprons are arranged along the circumferencial direction of flail knife axis Multiple row.

Further, blade assembly includes straight knife piece and tulwar piece, and the tulwar head of two tulwar pieces is symmetrically arranged at directly outward The two sides of blade form the blade unit structure for the chuan-shaped being arranged radially along flail knife axis.

Further, the supporting block of the flail knife axis of the stalk pulverization roller knife, institute are also fixed in the middle part of support frame as described above The supporting groove for stating supporting block is matched with stalk pulverization roller knife inner end size.

Further, it is provided with transmission case on support frame as described above, driving gear, the active are provided in the transmission case Gear is connect with third driving wheel, and the driving gear is engaged with driven gear, and the driven gear is connected with exporting axis, described It is set on output shaft there are two the 4th driving wheel, two the 4th driving wheels are separately positioned on the two sides of support frame as described above.

Further, extension supporting plate is provided on support frame as described above, the connecting shaft rotary type setting is on extending supporting plate.

Compared with prior art, the utility model has the following beneficial effects:

1, the utility model utilizes the driving wheel of high-speed rotation with locomotive, driving by the harvesting to grain tassel part Wheel is connect with driven wheel by chain, so that the high-speed rotation of follower lever is interlocked, the bar length direction level and and vehicle body of follower lever Width direction it is parallel, so that power is transferred on the first driving wheel, the first driving wheel passes through on drive mechanism and support frame The the second driving wheel connection being arranged realizes the crushing to stalk, and reduce to drive the high-speed rotation of stalk pulverization roller knife Harvester power loss；And by one transmission case of setting, reduces and be driven by electricity element and related components, increase machinery Drive mechanism, structure setting is simpler reliable, and structure is more compact；Shield is kept off by setting, roller knife can be effectively prevent to be driven Blade in structure, which falls off to fly up, hurts sb.'s feelings, while avoiding stalk fragment from flashing, and shape is more beautiful and generous；It is coaxial by being arranged Two stalk pulverization roller knives are symmetrical arranged, substantially reduce the vibration and noise of equipment, and the power output of axis part position is smaller, Substantially increase the service life of associated components.

2, the utility model is flail knife axle assembly structure by stalk pulverization roller knife, greatly reduces maintenance input cost, More allowing blade replacement is more convenient, time saving and energy saving, greatly improves work efficiency.

3, the utility model structure is simple, reusable, economical and practical, and design is rationally, compact-sized, has good Market prospects.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it is therefore apparent that the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the lateral parts structural schematic diagram in harvester；

Fig. 2 is the top view of Fig. 1；

Fig. 3 is the driving wheel drive mechanism schematic diagram of harvester side；

Fig. 4 is transmission case schematic diagram of internal structure；

Fig. 5 is the structural schematic diagram of blade assembly；

Figure label explanation:

10, the ceding of Taiwan；20, stalk pulverization roller knife；30, support frame；32, extend supporting plate；33, supporting block；40, driving wheel；50, Lifting cylinder；60, blade assembly；61, straight knife piece；62, tulwar piece；71, driven wheel；72, follower lever；73, the first driving wheel； 74, the second driving wheel；75, transmission case；76, driving gear；761, third driving wheel；77, driven gear；78, output shaft；79, 4th driving wheel；80, the 5th driving wheel；81, the 6th driving wheel；82, connecting shaft；90, shield is kept off.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to the utility model The range of protection.

In conjunction with attached drawing, the utility model is further described:

A kind of improved grain straw crushes the transmission mechanism of harvester, including the ceding of Taiwan with locomotive is hingedly arranged in 10, two stalk pulverization roller knives 20 are arranged in the lower section coaxial-symmetrical of the ceding of Taiwan 10；The stalk pulverization roller knife 20 is flail knife axis Assembly structure；The outer end difference rotary type of two stalk pulverization roller knives 20 is arranged on support frame 30；Support frame as described above 30 One end be hingedly arranged in locomotive, the articulated shaft of support frame as described above 30 is horizontal and flat with the width direction of mobile vehicle body Row；Driving wheel 40 is provided with the locomotive；Lifting cylinder 50, the lifting cylinder 50 are provided with the locomotive Piston rod and support frame 30 one end it is hinged, the articulated shaft of lifting cylinder 50 is horizontal and flat with the width direction of mobile vehicle body Row；The driving wheel 40 is connect with driven wheel 71 by chain；The driven wheel 71 is arranged on follower lever 72；The follower lever 72 bar length direction is horizontal and parallel with the width direction of vehicle body, and 72 rotary type of follower lever is arranged with locomotive, institute The one end for stating follower lever 72 is provided with first driving wheel 73；First driving wheel 73 is arranged in support frame as described above 30 1 Side；First driving wheel 73 drives two the 4th driving wheels 79 on output shaft 78 by transmission case 75, and the described 4th Driving wheel 79 is connect by the 5th driving wheel 80 and the 6th driving wheel 81 with second driving wheel 74 at both ends on support frame 30 respectively； Two second driving wheels 74 are separately positioned on the outer end of stalk pulverization roller knife 20；The straw are additionally provided on support frame as described above 30 The gear shield 90 of stalk pulverization roller knife 20；

5th driving wheel 80 and the 6th driving wheel 81 fix the axial ends for being located at connecting shaft 82 respectively；Described 4th Driving wheel 79 is connect by belt with the 5th driving wheel 80；6th driving wheel 81 passes through belt and second transmission 74 connection of wheel.

In the course of rotation due to support frame 30, for connecting between the first driving wheel 73 and third driving wheel 761 Belt will appear loose phenomenon, while the front end of support frame 30 is arranged in original transmission case 75, due to stalk pulverization roller knife 20 Vibration can be generated in use, causes transmission case that can also generate vibration in transmission process, leverage transmission effect； In this regard, the whole rectangular frame shape structure of support frame as described above 30, the transmission case 75 are arranged in the length direction of support frame 30 Between fragment position；So that third driving wheel 761 and the spacing of the belt of the first driving wheel 73 greatly reduce, solve original remote Connection belt slack be easy abjection the problem of；And greatly reduce the influence that transmission case 75 vibrates in use, and axis The power output of socket part position is smaller, substantially increases the service life of associated components, and transmission effect is more preferable.

Referring to figs. 1 and 2, it during the above-mentioned ceding of Taiwan 10 works, realizes the harvesting to grain tassel part, utilizes shifting The driving wheel 40 of high-speed rotation, driving wheel 40 are connect with driven wheel 71 by chain with motor-car, to interlock follower lever 72 The bar length direction of high-speed rotation, follower lever 72 is horizontal and parallel with the width direction of vehicle body, so that power is transferred to support frame On first driving wheel 73 of 30 sides, two the first driving wheels 73 on a roller knife drive mechanism and support frame 30 respectively by setting The second driving wheel 74 connection for the two coaxial-symmetricals setting set, thus the high-speed rotation of two stalk pulverization roller knives 20 of driving. Two stalk pulverization roller knives 20 are arranged by two coaxial-symmetricals in this programme, solve and are easy using a stalk pulverization roller knife 20 Vibration is generated, noise is larger, and the power output of axis part position is larger, service life short problem；Pass through the stalk pulverization roller knife 20 be flail knife axle assembly structure, when solving the damage of sawing formula roller knife of former traditional harvest machine, needs integral replacing, investment at This problem big and that replacement is time-consuming and laborious；And by one transmission case of setting, greatly reduces and be driven by electricity element and correlation zero Component increases mechanical transmission structure, and structure setting is simpler reliable, and convenient for assembling and production, structure is more compact；Pass through Setting gear shield 90, the blade that can be effectively prevent on roller knife drive mechanism, which falls off to fly up, hurts sb.'s feelings, while stalk fragment being avoided to flash, And shape is more beautiful and generous.

In conjunction with attached drawing 5, the stalk pulverization roller knife 20 is flail knife axle assembly structure, and flail knife axle assembly structure includes and second The flail knife axis that driving wheel 74 is sequentially connected is connected with multiple tool aprons on flail knife axis, connection blade is detachably fixed on each tool apron Component 60, blade assembly 60 include straight knife piece 61 and tulwar piece 62, and the tulwar head of two tulwar pieces 62 is symmetrically arranged at straight knife outward The two sides of piece 61 form the blade unit structure for the chuan-shaped being arranged radially along flail knife axis；Circle of multiple tool aprons along flail knife axis Circumferential direction arrangement multiple row.The advantages of this programme is by integrating the combination of straight knife piece 61 and the combination of tulwar piece 62, therefore, have both Stalk can be chopped up it is broken, and the advantages of root stubble can be cut out and be crushed from soil；And in breaks down, it is only necessary to more tool changing Piece does not need to replace entire roller knife, greatly reduces maintenance input cost, and replacement is more convenient, time saving and energy saving, mentions significantly High working efficiency.

30 middle part of support frame as described above is also fixed with the supporting block 33 of the flail knife axis of the stalk pulverization roller knife 20, the branch The supporting groove of bracer 33 is matched with the 20 inner end size of stalk pulverization roller knife, for realizing to the stalk pulverization roller knife 20 Inner end support and the effect of lifting；To realize there is support to the both ends of entire stalk pulverization roller knife 20, so that straw powder The operating of broken roller knife 20 is more steady, reduces vibration and noise.

As a preferred embodiment of the present invention, in conjunction with attached drawing 3 and Fig. 4, it is provided with transmission case 75 on support frame as described above 30, Driving gear 76 is provided in the transmission case 75, the driving gear 76 is connect with third driving wheel 761, the driving gear 76 engage with driven gear 77, and the driven gear 77 is connect with output shaft 78, set on the output shaft 78 there are two the 4th pass Driving wheel 79, two the 4th driving wheels 79 are separately positioned on the two sides of support frame as described above 30；In 72 high-speed rotation of follower lever In the process, the high-speed rotation of the driven gear 77 and driving gear 76 in transmission case 75 is interlocked, and then realizes two the 4th transmissions The high-speed rotation of wheel 79, the 4th driving wheel 79 can interlock the high-speed rotation of the second driving wheel 74 and then realize to stalk pulverization roller knife 20 high-speed rotation.

The driving wheel 40 is connect with driven wheel 71 by chain, and the driven wheel 71 is arranged on follower lever 72, described The bar length direction of follower lever 72 is horizontal and parallel with the width direction of vehicle body, and 72 rotary type of the follower lever setting is in mobile vehicle body On, one end of the follower lever 72 is provided with the first driving wheel 73, and first driving wheel 73 on band and support frame 30 by setting One end of stalk pulverization roller knife 20 is arranged in the second driving wheel 74 connection set, second driving wheel 74；At 72 turns of follower lever In dynamic process, to interlock 74 high-speed rotation of the second driving wheel of 20 one end of stalk pulverization roller knife, and then realize to stalk It crushes.

It is provided on support frame as described above 30 and extends supporting plate 32,82 rotary type of the connecting shaft setting is on extending supporting plate 32.

During above-mentioned ceding of Taiwan work, realizes the harvesting to grain tassel part, utilize high-speed rotation with locomotive Driving wheel, driving wheel are connect with driven wheel by chain, so that the high-speed rotation of follower lever is interlocked, the bar length direction water of follower lever Flat and parallel with the width direction of vehicle body, so that power is transferred on the first driving wheel, the first driving wheel passes through drive mechanism It is connect with the second driving wheel being arranged on support frame, to drive the high-speed rotation of stalk pulverization roller knife, realizes the powder to stalk It is broken, and reduce harvester power loss；Substantially reduce the vibration and noise of equipment, and the power output of axis part position compared with It is small, substantially increase the service life of associated components；It is flail knife axle assembly structure by the stalk pulverization roller knife, greatly reduces dimension Input cost is repaired, more allowing blade replacement is more convenient, and it is time saving and energy saving, it greatly improves work efficiency；Present apparatus structure is simple, can Recycling, economical and practical, design is rationally, compact-sized, has good market prospects.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims

1. the transmission mechanism that a kind of improved grain straw crushes harvester, it is characterised in that: including locomotive is hingedly arranged in Two stalk pulverization roller knives (20) are arranged in the lower section coaxial-symmetrical of the ceding of Taiwan (10) with it, the ceding of Taiwan (10)；The straw powder Broken roller knife (20) is flail knife axle assembly structure；Distinguish rotary type setting and supporting in the outer end of two stalk pulverization roller knives (20) On frame (30)；One end of support frame as described above (30) is hingedly arranged in locomotive, and the articulated shaft of support frame as described above (30) is horizontal And it is parallel with the mobile width direction of vehicle body；Driving wheel (40) are provided with the locomotive；It is arranged with the locomotive Have lifting cylinder (50), one end of the piston rod and support frame (30) of the lifting cylinder (50) is hinged, lifting cylinder (50) Articulated shaft is horizontal and parallel with the mobile width direction of vehicle body；The driving wheel (40) is connect with driven wheel (71) by chain； The driven wheel (71) is arranged on follower lever (72)；The bar length direction of the follower lever (72) is horizontal and the width side with vehicle body To parallel, follower lever (72) rotary type is arranged with locomotive, and one end of the follower lever (72) is provided with one the One driving wheel (73)；First driving wheel (73) is arranged in support frame as described above (30) side；First driving wheel (73) is logical Two the 4th driving wheels (79) on transmission case (75) drive output shaft (78) are crossed, the 4th driving wheel (79) is led to respectively It crosses the 5th driving wheel (80) and the 6th driving wheel (81) is connect with second driving wheel (74) at both ends on support frame (30)；The biography Dynamic case (75) setting fragment position among the length direction of support frame (30)；Two second driving wheels (74) are separately positioned on The outer end of stalk pulverization roller knife (20)；The gear shield of the stalk pulverization roller knife (20) is additionally provided on support frame as described above (30) (90)；

The stalk pulverization roller knife (20) includes the flail knife axis with the second driving wheel (74) transmission connection, is connected on flail knife axis more A tool apron, connection blade assembly (60) is detachably fixed on each tool apron, and multiple tool aprons are more along the circumferencial direction arrangement of flail knife axis Column；

Blade assembly (60) includes straight knife piece (61) and tulwar piece (62), and the tulwar head of two tulwar pieces (62) is symmetrically arranged at outward The two sides of straight knife piece (61) form the blade unit structure for the chuan-shaped being arranged radially along flail knife axis.

2. the transmission mechanism that improved grain straw according to claim 1 crushes harvester, it is characterised in that: described the Five driving wheels (80) and the 6th driving wheel (81) fix the axial ends for being located at connecting shaft (82) respectively；4th driving wheel (79) it is connect by belt with the 5th driving wheel (80)；6th driving wheel (81) passes through belt and second transmission Take turns (74) connection.

3. the transmission mechanism that improved grain straw according to claim 1 crushes harvester, it is characterised in that: the branch The supporting block (33) of the flail knife axis of the stalk pulverization roller knife (20), the supporting block (33) are also fixed in the middle part of support (30) Supporting groove matched with stalk pulverization roller knife (20) inner end size.

4. the transmission mechanism that improved grain straw according to claim 1 crushes harvester, it is characterised in that: the branch It is provided on support (30) transmission case (75), is provided with driving gear (76), the driving gear in the transmission case (75) (76) it is connect with third driving wheel (761), the driving gear (76) is engaged with driven gear (77), the driven gear (77) It connect, is set on the output shaft (78) there are two the 4th driving wheel (79), two the 4th driving wheels with output shaft (78) (79) two sides of support frame as described above (30) are separately positioned on.

5. the transmission mechanism that improved grain straw according to claim 2 crushes harvester, it is characterised in that: the branch It is provided on support (30) and extends supporting plate (32), connecting shaft (82) the rotary type setting is on extending supporting plate (32).