CN208191340U - A kind of grain straw crushes vibration damping, the noise reduction transmission mechanism of harvester - Google Patents

Abstract

The utility model provides vibration damping, the noise reduction transmission mechanism of a kind of grain straw crushing harvester, pass through the harvesting to grain tassel part, utilize the driving wheel of high-speed rotation with locomotive, driving wheel is connect with driven wheel by chain, to interlock the high-speed rotation of follower lever, to which power is transferred on the first driving wheel, first driving wheel is connect by the second driving wheel being arranged on band and support frame, to drive the high-speed rotation of stalk pulverization roller knife, it realizes the crushing to stalk, and reduces harvester power loss.The utility model substantially reduces the vibration and noise of equipment, and the power output of axis part position is smaller, substantially increases the service life of associated components, and greatly reduce maintenance input cost, more allowing blade replacement is more convenient, time saving and energy saving, 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 grain straw crushes vibration damping, the noise reduction transmission mechanism of harvester

Technical field

The utility model relates to technical field of agricultural mechanical equipment, and in particular to a kind of grain straw crushing harvester subtracts Vibration, noise reduction transmission mechanism.

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 " transmission mechanism for the harvester with stalk smashing function ", which discloses one, have been applied to this applicant Transmission mechanism of the kind for the harvester with stalk smashing function, can be realized and drive to pulverization roller knife up revolving speed, reduce receipts Cutting mill power loss, the harvester include the support frame being hingedly arranged, and rotary type is arranged on moving body on support frame, and It is provided with the stalk pulverization roller knife for crushing straw on support frame, in above-mentioned ceding of Taiwan action process, stalk pulverization roller knife In high-speed rotation, the harvesting to grain tassel part is realized in the ceding of Taiwan, and stalk pulverization roller knife realizes the crushing to grain straw.Above-mentioned one Sleeve mechanism during use, since pulverization roller knife is generally 2-3 meters of two panels saw cutting blade superposition shearing, was using Larger vibration is generated in journey, noise is larger, while the power output of driving mechanism is larger, and the loss of transmission mechanism is larger, significantly The service life of entire transmission mechanism is reduced, and blade exchange maintenance is complicated, 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 grain straw crushing harvesting Vibration damping, the noise reduction transmission mechanism of machine, 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 grain straw crushes vibration damping, the noise reduction transmission mechanism of harvester, including being hingedly arranged in locomotive Two stalk pulverization roller knives are arranged in the lower section coaxial-symmetrical of the ceding of Taiwan, the ceding of Taiwan；The stalk pulverization roller knife is flail knife axle assembly 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 hinged It is arranged with locomotive, the articulated shaft of support frame as described above is horizontal and parallel with the mobile width direction of vehicle body；The locomotive It is provided with driving wheel with it；It is provided with lifting cylinder with the locomotive, the piston rod of the lifting cylinder and support frame One 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 and driven wheel are logical Cross chain connection；The driven wheel is arranged on follower lever；The bar length direction of the follower lever is horizontal and the width side with vehicle body To parallel, the follower lever rotary type is arranged with locomotive, and there are two the first driving wheels for setting on the follower lever；Two First driving wheel is separately positioned on the two sides of support frame as described above；Two transmission cases are separately positioned on the two of support frame as described above Side；First driving wheel is connect by the second driving wheel being arranged on the transmission case and support frame；Second driving wheel The outer end of stalk pulverization roller knife is set.

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, setting is provided with driving gear in the transmission case there are two the transmission case on support frame as described above, The driving gear is connect with third driving wheel, and the driving gear is engaged with driven gear, driven gear engagement with it is defeated Axis connection out, the end of the output shaft are provided with the 4th driving wheel, and the 4th driving wheel passes through belt and the second driving wheel Connection.

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 is by being arranged on band and support frame The connection of second driving wheel realizes the crushing to stalk, and reduce harvester to drive the high-speed rotation of stalk pulverization roller knife Power loss；Two stalk pulverization roller knives are set by setting coaxial-symmetrical, substantially reduce the vibration and noise of equipment, and axis The power output of socket part position is smaller, substantially increases the service life of associated components；It is flail knife axle assembly knot by stalk pulverization roller knife Structure greatly reduces maintenance input cost, and more allowing blade replacement is more convenient, time saving and energy saving, greatly improves work efficiency.

2, 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；31, tensioning wheel；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, One driving wheel；74, the second driving wheel；75, transmission case；76, driving gear；761, third driving wheel；77, driven gear；78, defeated Shaft；79, the 4th driving wheel.

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 grain straw crushes vibration damping, the noise reduction transmission mechanism of harvester, including being hingedly arranged in locomotive Two stalk pulverization roller knives 20 are arranged in the lower section coaxial-symmetrical of the ceding of Taiwan 10, the ceding of Taiwan 10；The stalk pulverization roller knife 20 is to get rid of Cutter shaft assembly structure；The outer end difference rotary type of two stalk pulverization roller knives 20 is arranged on support frame 30；The support One end of frame 30 is hingedly arranged in locomotive, the articulated shaft level of support frame as described above 30 and the width direction with mobile vehicle body In parallel；Driving wheel 40 is provided with the locomotive；Lifting cylinder 50, the lifting cylinder are provided with the locomotive One end of 50 piston rod and support frame 30 is hinged, and 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 Stating setting on follower lever 72, there are two the first driving wheels 73；Two first driving wheels 73 are separately positioned on support frame as described above 30 Two sides；Two transmission cases 75 are separately positioned on the two sides of support frame as described above 30；First driving wheel 73 passes through the transmission The second driving wheel 74 being arranged on case 75 and support frame 30 is connect；Stalk pulverization roller knife 20 is arranged in second driving wheel 74 Outer end.

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 two sides, two the first driving wheels 73 on two roller knife drive mechanisms 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.

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, there are two described for setting on support frame as described above 30 Transmission case 75 is provided with driving gear 76 in the transmission case 75, and the driving gear 76 is connect with third driving wheel 761, institute It states driving gear 76 to engage with driven gear 77, the engagement of driven gear 77 is connect with output shaft 78, the output shaft 78 End is provided with the 4th driving wheel 79, and the 4th driving wheel 79 is connect by belt with the second driving wheel 74；In follower lever 72 During high-speed rotation, the high-speed rotation of the driven gear 77 and driving gear 76 in transmission case 75 is interlocked, and then realizes the The high-speed rotation of four driving wheels 79, the 4th driving wheel 79 can interlock the high-speed rotation of the second driving wheel 74 and then realize to straw powder The high-speed rotation of broken roller knife 20.

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.

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, in this regard, the whole rectangular frame shape structure of support frame as described above 30, the side of support frame as described above 30 Rotated on frame arm it is dynamic is provided with tensioning wheel 31, the rotation axis cord horizontal of the tensioning wheel 31 and flat with the width direction of vehicle body Row, the tensioning wheel 31 are arranged between the first driving wheel 73 and transmission case 75；It can be realized by the way that tensioning wheel 31 is arranged to the The tensioning of belt between one driving wheel 73 and third driving wheel 761.

The transmission case 75 is arranged at the intermediate fragment position of front end roller knife drive mechanism mounting rack of support frame 30, described It is provided on support frame 30 and extends supporting plate 32,79 rotary type of the 4th driving wheel 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 band and support The the second driving wheel connection being arranged on frame realizes the crushing to stalk to drive the high-speed rotation of stalk pulverization roller knife, and Reduce harvester power loss；The vibration and noise of equipment is substantially reduced, and the power output of axis part position is smaller, mentions significantly The high service life of associated components；By the stalk pulverization roller knife be flail knife axle assembly structure, greatly reduce maintenance investment at This, 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, repeats benefit With 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 (4)

1. vibration damping, noise reduction transmission mechanism that a kind of grain straw crushes harvester, it is characterised in that: including movement is hingedly arranged in Two stalk pulverization roller knives (20) are arranged in the lower section coaxial-symmetrical of the ceding of Taiwan (10) on vehicle body, the ceding of Taiwan (10)；The stalk Pulverization roller knife (20) is flail knife axle assembly structure；Distinguish rotary type setting and propping up in the outer end of two stalk pulverization roller knives (20) On support (30)；One end of support frame as described above (30) is hingedly arranged in locomotive, the articulated shaft water of support frame as described above (30) It is flat and parallel with the mobile width direction of vehicle body；Driving wheel (40) are provided with the locomotive；It is set with the locomotive It is equipped with 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 it is horizontal and parallel with the mobile width direction of vehicle body；The driving wheel (40) and driven wheel (71) are connected by chain It connects；The driven wheel (71) is arranged on follower lever (72)；The bar length direction of the follower lever (72) is horizontal and the width with vehicle body It is parallel to spend direction, follower lever (72) rotary type is arranged with locomotive, and there are two for setting on the follower lever (72) One driving wheel (73)；Two first driving wheels (73) are separately positioned on the two sides of support frame as described above (30)；Two transmission cases (75) two sides of support frame as described above (30) are separately positioned on；First driving wheel (73) passes through the transmission case (75) and support The second driving wheel (74) connection being arranged on frame (30)；Second driving wheel (74) setting is in the outer of stalk pulverization roller knife (20) End.

2. vibration damping, noise reduction transmission mechanism that grain straw according to claim 1 crushes harvester, it is characterised in that: institute Stating stalk pulverization roller knife (20) includes the flail knife axis with the second driving wheel (74) transmission connection, is connected with multiple knives on flail knife axis , connection blade assembly (60), circumferencial direction arrangement multiple row of multiple tool aprons along flail knife axis are detachably fixed on each tool apron.

3. vibration damping, noise reduction transmission mechanism that grain straw according to claim 2 crushes harvester, it is characterised in that: knife Piece component (60) includes straight knife piece (61) and tulwar piece (62), and the tulwar head of two tulwar pieces (62) is symmetrically arranged at straight knife piece outward (61) two sides form the blade unit structure for the chuan-shaped being arranged radially along flail knife axis.

4. vibration damping, noise reduction transmission mechanism that grain straw according to claim 1 crushes harvester, it is characterised in that: institute Stating setting on support frame (30), there are two the transmission case (75), the transmission case (75) is interior to be provided with driving gear (76), institute Driving gear (76) is stated to connect with third driving wheel (761), the driving gear (76) is engaged with driven gear (77), it is described from Moving gear (77) engagement is connect with output shaft (78), and the end of the output shaft (78) is provided with the 4th driving wheel (79), described 4th driving wheel (79) is connect by belt with the second driving wheel (74).