CN208227722U

CN208227722U - Combine harvester

Info

Publication number: CN208227722U
Application number: CN201820006046.8U
Authority: CN
Inventors: 北原贵志; 田中祐二; 三井孝文
Original assignee: Kubota Corp
Current assignee: Kubota Corp
Priority date: 2016-03-30
Filing date: 2017-03-30
Publication date: 2018-12-14
Anticipated expiration: 2027-03-30
Also published as: JP2017176052A; CN206923305U; JP6639993B2

Abstract

The utility model provides combine harvester, includes feeder, conveys to harvesting stalks；Sheller unit is fed the whole stalk investment harvesting stalks of device, and carries out threshing processing to the harvesting stalks of investment；Sheller unit is provided with the thrashing cylinder that threshing chamber is set in a manner of it can rotate driving, the front of thrashing cylinder is provided with the portion of dialling in, portion is dialled in helical blade, stalks are dialled in the rear portion side of thrashing cylinder by the rotation of helical blade, the portion of dialling in is provided with abutment portion, the abutment portion has more that then the smaller front end of diameter attenuates shape by the front end side of thrashing cylinder, helical blade is erected on the peripheral part of abutment portion, the rotation central spindle distance in the radial direction of the peripheral part and thrashing cylinder of the clearing end side of helical blade is more in the radial direction apart from small than the peripheral part of the starting point side of helical blade and the rotation central spindle of thrashing cylinder.

Description

Combine harvester

The application be the applying date be on 03 30th, 2017, entitled " combine harvester ", application No. is 201720327747.7 utility application divisional application.

Technical field

The utility model relates to a kind of combine harvester, which has feeder and sheller unit, described Feeder conveys harvesting stalks, and the sheller unit gathers in stalks by the whole stalk investment of the feeder, and to throwing The harvesting stalks entered carry out threshing processing.

Background technique

In above-mentioned combine harvester, in the past, such as shown in Patent Document 1, there is sheller unit to be provided with thrashing cylinder Dirt valve is sent with multiple, thrashing cylinder is set to threshing chamber in a manner of it can rotate driving, multiple to send dirt valve along thrashing cylinder The state support arranged on the direction of central spindle is rotated in the top plate of threshing chamber, and threshing processed material is drawn towards the conveying of the rear of threshing chamber The combine harvester led.This combine harvester assigns rotatory force to the threshing processed material in threshing chamber using thrashing cylinder, by It send dirt valve to play guiding function to the threshing processed material for imparting rotatory force, flows threshing processed material towards threshing chamber rear It is dynamic.

Patent document 1: Japanese Unexamined Patent Publication 2015-62427 bulletin

At the rear portion of the threshing processing unit of sheller unit, the grain due to being treated as one one is easily broken and and straw The dust such as stalk exist together, therefore send the dirt valve mutual interval by the rear upper that constriction is located at threshing processing unit, can The flowing velocity of dust between dirt valve etc. will be sent to inhibit less fast, be easy to inhibit grain together with dust to the outer of sheller unit The grain loss of portion's discharge.

In the case where inhibiting grain loss based on conventional art and dirt valve is sent in setting, sheller unit is located at threshing The front upper in reason portion send the mutual interval of dirt valve to send the dirt valve mutual interval with the rear upper for being located at threshing processing unit Equally narrow, may cross can lead to the problem of it is as follows.

In the front of threshing processing unit, since harvesting stalks are not filled still by the threshing processing that whole stalk put into and gathered in stalks Point etc. reasons, have that there are the trend of a large amount of and bulky threshing processed materials, therefore threshing processed material is between sending dirt valve Flowing be deteriorated.If threshing processed material is difficult to flow, it is easy to produce blocking.In addition, since harvesting stalks are in threshing State in journey, so that there is the trend to become larger in the threshing load of the front of threshing processing unit, so if threshing processing unit The flowing of the threshing processed material of front is deteriorated, then the load becomes large for the threshing of the front of threshing processing unit.

Utility model content

The utility model provides a kind of combine harvester, which can not only inhibit above-mentioned grain loss, also It is easy to avoid the blocking of threshing processed material and the increase of threshing load.

The combine harvester of the utility model has the following structure.

Combine harvester includes feeder, conveys to harvesting stalks；Sheller unit is filled by the feed Whole stalk investment harvesting stalks are set, and threshing processing is carried out to the harvesting stalks of investment；The sheller unit is provided with can revolve The mode for turning driving is set to the thrashing cylinder of threshing chamber, and the front of the thrashing cylinder is provided with the portion of dialling in, which has spiral Blade is dialled in stalks to the rear portion side of the thrashing cylinder by the rotation of the helical blade, and the portion of dialling in is provided with base Platform portion, the abutment portion have more that then the smaller front end of diameter attenuates shape by the front end side of the thrashing cylinder, the helical blade It is erected on the peripheral part of the abutment portion, the peripheral part of the clearing end side of the helical blade and the rotary shaft of the thrashing cylinder Core distance in the radial direction is than the peripheral part of the starting point side of the helical blade and the rotation central spindle of the thrashing cylinder in diameter Upward distance is small.

The more preferred mode of the utility model has the following structure.

The starting point side of the helical blade is formed as with the peripheral part of the starting point side of the helical blade and institute The rotation central spindle distance in the radial direction for stating thrashing cylinder is the circular shape of radius, and the clearing end side of the helical blade is formed To be half with the rotation central spindle distance in the radial direction of the peripheral part of the clearing end side of the helical blade and the thrashing cylinder The circular shape of diameter.

The combine harvester of the utility model has the following structure.

Combine harvester includes feeder, conveys to harvesting stalks；Sheller unit is filled by the feed Whole stalk investment harvesting stalks are set, and threshing processing is carried out to the harvesting stalks of investment；The sheller unit is provided with can revolve The mode for turning driving is set to the thrashing cylinder of threshing chamber, and the front of the thrashing cylinder is provided with the portion of dialling in, which has spiral Blade is dialled in stalks to the rear portion side of the thrashing cylinder by the rotation of the helical blade, the conveying of the helical blade The liner component that can be dismounted, the rotation of the peripheral part and the thrashing cylinder of the clearing end side of the helical blade are provided on face Shaft core distance in the radial direction is than the peripheral part of the starting point side of the helical blade and the rotation central spindle of the thrashing cylinder It is in the radial direction apart from small, in the state that the liner component is installed on the helical blade, from the liner component Starting point side is to the clearing end side of the liner component, the rotary shaft of the peripheral part of the liner component and the thrashing cylinder Core is in the radial direction apart from identical.

The more preferred mode of the utility model has the following structure.

In the state that the liner component is installed on the helical blade, the peripheral part of the liner component with it is described The rotation central spindle distance in the radial direction of thrashing cylinder exists than the peripheral part of the helical blade and the rotation central spindle of the thrashing cylinder Distance radially is big.

The more preferred mode of the utility model has the following structure.

The helical blade has step between front end side and rear end side, has the end across the front end side The rake of the starting point of not-go-end and the rear end portion side, the rake is from the periphery of the abutment portion towards the abutment portion Radial outside erect, and more left from the periphery towards the radial outside of the abutment portion, the rake is more to defeated Direction upstream side is sent to leave.

The combine harvester of the utility model has the following structure.

Combine harvester includes feeder, conveys to harvesting stalks；Sheller unit is filled by the feed Whole stalk investment harvesting stalks are set, and threshing processing is carried out to the harvesting stalks of investment；The sheller unit is provided with can revolve The mode for turning driving is set to the thrashing cylinder of threshing chamber, and the front of the thrashing cylinder is provided with the portion of dialling in, which has spiral Blade is dialled in stalks to the rear portion side of the thrashing cylinder by the rotation of the helical blade, the conveying of the helical blade The liner component that can be dismounted is provided on face, it is described in the state that the liner component is installed on the helical blade The peripheral part of the clearing end side of liner component and the rotation central spindle distance in the radial direction of the thrashing cylinder are than the cushion part The peripheral part of the starting point side of part and the rotation central spindle of the thrashing cylinder are in the radial direction apart from small.

The more preferred mode of the utility model has the following structure.

The starting point side of the liner component is formed as with the peripheral part of the starting point side of the liner component and institute The rotation central spindle distance in the radial direction for stating thrashing cylinder is the circular shape of radius, and the clearing end side of the liner component is formed To be half with the rotation central spindle distance in the radial direction of the peripheral part of the clearing end side of the liner component and the thrashing cylinder The circular shape of diameter.

The more preferred mode of the utility model has the following structure.

The liner component has step between front end side and rear end side, has the end across the front end side The rake of the starting point of not-go-end and the rear end portion side, the rake is from the periphery of the abutment portion towards the abutment portion Radial outside erect, and more left from the periphery towards the radial outside of the abutment portion, the rake is more to defeated Direction upstream side is sent to leave.

The more preferred mode of the utility model has the following structure.

The front-end edge of the helical blade is relative to the periphery of the abutment portion towards the radial direction of the abutment portion The state that outside leaves then positioned at conveyance direction downstream side is tilted relative to the outer peripheral surface.

The more preferred mode of the utility model has the following structure.

It is provided with the liner component that can be dismounted on the conveyor surface of the helical blade, is installed on by the liner component In the state of the helical blade, the front end of the liner component is from the front-end edge of the helical blade to conveying direction Upstream side is prominent.

The more preferred mode of the utility model has the following structure.

Be provided with the liner component that can be dismounted on the conveyor surface of the helical blade, the front-end edge of the liner component from The periphery is erected towards the radial outside of the abutment portion, and the diameter from the periphery towards the abutment portion is outside Side is left, and leaves relative to the front-end edge of the helical blade to conveying direction upstream side.

The combine harvester of the utility model has the following structure.

Combine harvester includes feeder, conveys to harvesting stalks；Sheller unit is filled by the feed Whole stalk investment harvesting stalks are set, and threshing processing is carried out to the harvesting stalks of investment；The sheller unit is provided with can revolve The mode for turning driving is set to the thrashing cylinder of threshing chamber, and the front of the thrashing cylinder is provided with the portion of dialling in, which has spiral Blade is dialled in stalks to the rear portion side of the thrashing cylinder by the rotation of the helical blade, and the portion of dialling in is provided with base Platform portion, the abutment portion have more that then the smaller front end of diameter attenuates shape by the front end side of the thrashing cylinder, the helical blade Be erected on the peripheral part of the abutment portion, the front-end edge of the helical blade with relative to the periphery of the abutment portion towards The state that the radial outside of the abutment portion leaves then positioned at conveyance direction downstream side is tilted relative to the outer peripheral surface, institute The liner component that is provided with and can dismount on the conveyor surface of helical blade is stated, the liner component is being installed on the helical-blade In the state of piece, the front end of the liner component is from the front-end edge of the helical blade to conveying direction upstream pleurapophysis Out.

The more preferred mode of the utility model has the following structure.

The front-end edge of the liner component from the periphery towards the abutment portion radial outside erect, and from The periphery is left towards the radial outside of the abutment portion, relative to the front-end edge of the helical blade to conveying direction It leaves upstream side.

The more preferred mode of the utility model has the following structure.

Be provided with it is multiple send dirt valve, it is the multiple to send dirt valve to arrange on the direction of the rotation central spindle along the thrashing cylinder The state support of column conveys guidance towards the rear of the threshing chamber in the top plate of the threshing chamber, by threshing processed material, described de- Described dial in grain cylinder is provided with threshing processing unit on rear side of portion, send described in the front upper positioned at the threshing processing unit The described of rear upper of the mutual interval of dirt valve than being located at the threshing processing unit send the mutual interval of dirt valve wide.

The more preferred mode of the utility model has the following structure.

Positioned at the threshing processing unit front upper it is multiple it is described send it is in dirt valve, before the threshing processing unit First of side send dirt valve and second interval sent between dirt valve, the institute of the rear upper than being located at the threshing processing unit It states and send the mutual interval of dirt valve wide.

The more preferred mode of the utility model has the following structure.

Described first is sent dirt valve horizontal when the top of the interface for dialling in portion and the threshing processing unit is to overlook It is arranged across the state for dialling in portion and the threshing processing unit.

The more preferred mode of the utility model has the following structure.

Positioned at the threshing processing unit front upper it is multiple it is described send it is in dirt valve, before the threshing processing unit Second of side send dirt valve and third to send the interval between dirt valve, the institute of the rear upper than being located at the threshing processing unit It states and send the mutual interval of dirt valve wide.

The more preferred mode of the utility model has the following structure.

The threshing processing unit is provided with support shaft, multiple threshing tooth bearing parts, multiple threshing tooths and multiple plate-like portions Part, the support shaft configuration is in the rotation central spindle of the thrashing cylinder, and the multiple threshing tooth bearing part is rodlike, and with edge It is described rotation central spindle posture be positioned apart from the circumferentially spaced of the thrashing cylinder, the multiple threshing tooth be it is rodlike, And it is taken off by the state outstanding of the radial outside towards the thrashing cylinder and in a manner of interval in the longitudinal direction set on described Grain tooth bearing part, the multiple plate-shaped member in the direction along the rotation central spindle state support that arranges in described Support shaft, and the middle part of the multiple threshing tooth bearing part is supported, described second is sent dirt valve multiple described When the top of the toe lateral plate-shaped member of the front positioned at the threshing processing unit in plate-shaped member is to overlook before described The state of the front and back of portion side plate-shaped member is arranged, the third send dirt valve in multiple plate-shaped members with the front Side plate-shaped member be disposed adjacently when the top of the adjoining plate-shaped member after the toe lateral plate-shaped member is to overlook across The state of the front and back of the adjacent plate-shaped member is arranged.

The more preferred mode of the utility model has the following structure.

Closely following for front and back central portion positioned at the top plate send the mutual interval of dirt valve more described than being located at described in front The described of position after the front and back central portion of top plate send the mutual interval of dirt valve wide.

The more preferred mode of the utility model has the following structure.

Closely following for position corresponding with the front and back central portion of the threshing processing unit in the top plate is arranged at front It is described send dirt valve mutual interval, than the position corresponding with the front and back central portion of the threshing processing unit in the top plate it Send the mutual interval of dirt valve wide described in being arranged at position afterwards.

The more preferred mode of the utility model has the following structure.

The top plate cuing open for arcuation outstanding upward when the direction of the rotation central spindle along the thrashing cylinder is observed Face shape is equipped with supporting part in the top plate, and supporting part installation conveying pilot angle is compared to the conveying pilot angle for sending dirt valve Other for smaller inclination angle send dirt valve and replaces described sending dirt valve.

The more preferred mode of the utility model has the following structure.

Position between dirt valve is sent described in the front upper positioned at the threshing processing unit in the top plate Equipped with supporting part, supporting part installation conveying pilot angle is adding for smaller inclination angle compared to the conveying pilot angle for sending dirt valve With sending dirt valve.

The combine harvester of the utility model has the following structure.

Combine harvester includes

Feeder conveys harvesting stalks；

Sheller unit by the whole stalk investment harvesting stalks of the feeder, and carries out threshing to the harvesting stalks of investment Processing；

The sheller unit be provided with thrashing cylinder and it is multiple send dirt valve, the thrashing cylinder is set in a manner of it can rotate driving In threshing chamber, the multiple state support for sending dirt valve to arrange on the direction of the rotation central spindle along the thrashing cylinder is in institute Threshing processed material is conveyed guidance towards the rear of the threshing chamber by the top plate for stating threshing chamber,

The front of the thrashing cylinder is provided with the portion of dialling in, which has helical blade, passes through the helical blade Rotation dials in stalks to the rear portion side of the thrashing cylinder,

Described dial in the thrashing cylinder is provided with threshing processing unit on rear side of portion,

The mutual interval of dirt valve is sent to handle described in front upper positioned at the threshing processing unit than being located at the threshing The described of the rear upper in portion send the mutual interval of dirt valve wide.

According to this structure, at the rear portion of threshing processing unit, the rear upper for being located at threshing processing unit is sent to dirt valve each other Interval be set as the interval of proper width, so as to send the flowing velocity of the threshing processed material between dirt valve will not be too fast, even if such as This, the rear upper for giving the mutual interval ratio of dirt valve to be located at threshing processing unit of the front upper due to being located at threshing processing unit It is wide to send the mutual interval of dirt valve, therefore in the front of threshing processing unit, threshing processed material can also be made biggish to send dirt being spaced It is swimmingly flowed between valve, in the larger range for being scattered in threshing chamber in the case where not being trapped in and sending between dirt valve.

Therefore, grain can not only be inhibited to flow together with dust at the rear portion of threshing processing unit and to outside sheller unit The grain loss of outflow, in the front of threshing processing unit, even if in the state that threshing processing object amount is more or bulky, The dispersion of threshing processed material can be made so that blocking is difficult to generate and is suppressed to threshing load less high in a big way Load can be carried out efficiently threshing processing.

The more preferred mode of the utility model has the following structure.

Sending dirt valve from first of threshing processing unit front and second is sent the threshing processed material flowed between dirt valve Just start to receive threshing processing, in bulky state.According to this structure, first send dirt valve and second send dirt valve it Between interval than be located at threshing processing unit rear upper send dirt valve it is mutual be spaced it is wide, even if therefore threshing processed material volume It is huge also to send dirt valve at first and second is sent and swimmingly flow between dirt valve, threshing processed material can be made towards after threshing chamber It swimmingly flows side.

The more preferred mode of the utility model has the following structure.

According to this structure, the conveying guidance of dirt valve is sent since harvesting stalks are dialled in by the portion of dialling in, and by first, therefore can The entire harvesting stalks for putting into threshing chamber are swimmingly imported to threshing processing unit.

The more preferred mode of the utility model has the following structure.

Dirt valve and third is being sent to send the threshing processed material flowed between dirt valve from second of threshing processing unit front In threshing treatment process, it is still in bulky state.According to this structure, second is sent dirt valve and third to send dirt valve Interval than be located at threshing processing unit rear upper send dirt valve it is mutual be spaced it is wide, even if therefore threshing processed material it is bulky Also dirt valve and third can be sent to send and swimmingly flow between dirt valve at second, threshing processed material can be made suitable towards threshing chamber rear Freely flow.

The more preferred mode of the utility model has the following structure.

The threshing processing unit is provided with support shaft, multiple threshing tooth bearing parts, multiple threshing tooths and multiple plate-like portions Part, the support shaft configuration is in the rotation central spindle of the thrashing cylinder, and the multiple threshing tooth bearing part is rodlike, and with edge It is described rotation central spindle posture be positioned apart from the circumferentially spaced of the thrashing cylinder, the multiple threshing tooth be it is rodlike, And it is taken off by the state outstanding of the radial outside towards the thrashing cylinder and in a manner of interval in the longitudinal direction set on described Grain tooth bearing part, the multiple plate-shaped member in the direction along the rotation central spindle state support that arranges in described Support shaft, and the middle part of the multiple threshing tooth bearing part is supported,

Described second is sent the front of front positioned at the threshing processing unit of the dirt valve in multiple plate-shaped members The state when top of side plate-shaped member is to overlook across the front and back of the toe lateral plate-shaped member is arranged,

The third send dirt valve being disposed adjacently in multiple plate-shaped members with the toe lateral plate-shaped member When the top of the adjoining plate-shaped member after the toe lateral plate-shaped member is to overlook before the adjacent plate-shaped member State setting afterwards.

According to this structure, the threshing processed material from the portion that dials in is imported between threshing processing unit and sieve.Thrashing cylinder The threshing being located at outside thrashing cylinder is handled by the strike and the combing of threshing tooth etc. of threshing tooth bearing part and threshing tooth Object implements threshing processing.Especially in the case where processing object amount is more, it can allow for the processed material from the portion that dials in via de- The inner space for entering thrashing cylinder between grain tooth bearing part, prevents processed material from blocking.Processed material into inner space passes through Stirring is discharged between threshing tooth bearing part to outside by carry out threshing processing, and by centrifugal force.

Wind that processed material outside thrashing cylinder is supplied by the helical blade in the portion that dials in and second send the defeated of dirt valve Guidance is sent, lateral rear side is crossed toe lateral plate-shaped member and swimmingly flowed towards thrashing cylinder rear in the past, is sent dirt by third The conveying of valve guides, and lateral rear side is crossed adjacent plate-shaped member and swimmingly flowed towards thrashing cylinder rear in the past.Along at this Manage that logistics is dynamic, positioned at thrashing cylinder inner space processed material under the influence of centrifugal force via between threshing tooth bearing part to de- Outflow outside grain cylinder, lateral rear side is crossed toe lateral plate-shaped member and adjacent plate-shaped member and is flowed towards thrashing cylinder rear in the past.

Therefore, it can properly the harvesting stalks to the whole stalk state for putting into threshing chamber and a large amount of harvesting stalks assign Flailing action is given, and threshing processed material can be made swimmingly to flow towards threshing chamber rear, it can be appropriate and efficiently to receipts Harvested cereal culm carries out threshing processing.

The more preferred mode of the utility model has the following structure.

Positioned at top plate front and back central portion the threshing processed material sent between dirt valve immediately following front at threshing During reason, it is still in bulky state.According to this structure, positioned at the sending immediately following front of the front and back central portion of top plate Position after front and back central portion of the mutual interval of dirt valve than being located at top plate send dirt valve it is mutual be spaced it is wide, therefore at threshing Reason object can swimmingly be flowed between dirt valve sending bulky, can make threshing processed material towards threshing chamber rear swimmingly Flowing.

The more preferred mode of the utility model has the following structure.

Dirt valve is sent immediately following what is be arranged at front for position corresponding with the front and back central portion of threshing processing unit in top plate Threshing processed material each other is still in bulky state in threshing treatment process.According to this structure, it is located at top plate In corresponding with the front and back central portion of threshing processing unit position send dirt valve mutual interval, than being located in top plate and threshing Send the mutual interval of dirt valve wide after the corresponding position of front and back central portion of processing unit, even if therefore threshing processed material volume Pang It also can swimmingly be flowed between dirt valve sending greatly, threshing processed material can be made swimmingly to flow towards threshing chamber rear.

The more preferred mode of the utility model has the following structure.

According to this structure, by install it is other send dirt valve and replace sending dirt valve, thus with inclination angle than sending the defeated of dirt valve The smaller conveying pilot angle of pilot angle is sent to carry out conveying guidance to threshing processed material, therefore threshing processed material is towards threshing chamber rear Flowing be in low speed side.Even if the flowing of threshing processed material is in low speed side like this, since the section shape of top plate is court Top arcuation outstanding, therefore threshing processed material can also be moved in the case where not by too big flow resistance by top plate.

That is, installed ands according to quality discrepancy of stalks etc. it is other send dirt valve to replace sending dirt valve, can Flow adjustment by threshing processed material towards threshing chamber rear is low speed side.Even if being adjusted to low speed side, can also make at threshing Reason object is swimmingly flowed towards threshing chamber rear, appropriately and efficiently carries out threshing processing.

The more preferred mode of the utility model has the following structure.

Install other in the case where sending dirt valve replacing sending dirt valve, in the front upper of threshing processing unit, conveying is drawn Lead angle is that the other of smaller inclination angle send dirt valve to separate to arrange compared with wide interval.According to this structure, added by installation with sending dirt Valve, can will be with sending the identical conveying pilot angle of the conveying pilot angle of dirt valve or with sending dirt valve with other with other The less different conveying pilot angle of conveying pilot angle send dirt valve function be set to it is other send dirt valve between, interval compared with It is wide it is other send dirt valve between, by adding with sending dirt valve supplement to convey guiding function.That is, even if installation is another Outer send dirt valve, and is low speed side by the flow adjustment at threshing processed material towards threshing chamber rear, can also make threshing processed material It is swimmingly flowed towards threshing chamber rear, appropriately and swimmingly carries out threshing processing.

The more preferred mode of the utility model has the following structure.

The portion of dialling in is provided with abutment portion, and the abutment portion is with more by the front end side of the thrashing cylinder, then diameter is smaller Front end attenuates shape, and the helical blade is erected on the peripheral part of the abutment portion, the clearing end side of the helical blade The rotation central spindle distance in the radial direction of peripheral part and the thrashing cylinder, than the peripheral part of the starting point side of the helical blade It is in the radial direction apart from small with the rotation central spindle of the thrashing cylinder.

According to this structure, for example, dialling in the interval ratio of the helical blade of the clearing end side in portion and the side wall of sheller unit The interval for dialling in the helical blade of the starting point side in portion and the side wall of sheller unit is wide, when the clearing end side in the portion that dials in will The starting point side for being dialled in portion receives the harvesting stalks that come when dialling in conveying to threshing processing unit, can make to gather in stalks and exists It is swimmingly moved between helical blade and side wall towards threshing processing unit.

The more preferred mode of the utility model has the following structure.

The liner component that can be dismounted, the termination end side of the helical blade are provided on the conveyor surface of the helical blade The rotation central spindle distance in the radial direction of the peripheral part in portion and the thrashing cylinder, it is outer than the starting point side of the helical blade The rotation central spindle of circumference and the thrashing cylinder is in the radial direction apart from small, and the liner component is being installed on the helical blade In the state of, the rotation central spindle distance in the radial direction of the peripheral part of the liner component and the thrashing cylinder is than the helical-blade The peripheral part of piece and the rotation central spindle distance in the radial direction of the thrashing cylinder are big, also, from the starting point of the liner component The rotation central spindle of side to the clearing end side of the liner component, the peripheral part of the liner component and the thrashing cylinder is in diameter Upward distance is identical.

According to this structure, by installing liner component on helical blade, so that conveying of the helical blade in helical blade Transport process object is dialled in the state of being covered by liner component in face.In helical blade, the peripheral part of clearing end side relative to The peripheral part of starting point side is biased to the side where thrashing cylinder rotation central spindle.In liner component, the peripheral part of liner component With the rotation central spindle distance in the radial direction of thrashing cylinder than helical blade peripheral part and thrashing cylinder rotation central spindle radially Distance it is big, and from the starting point side of liner component to the clearing end side of liner component, the peripheral part of liner component with The rotation central spindle of thrashing cylinder is in the radial direction apart from identical, therefore by installing liner component on helical blade, can pass through The case where than only dialling in conveying with helical blade, broader conveyor surface properly dialled in transport process object.

The more preferred mode of the utility model has the following structure.

The front-end edge of the helical blade is relative to the periphery of the abutment portion towards the radial direction of the abutment portion The state that outside leaves then positioned at conveyance direction downstream side is tilted relative to the outer peripheral surface,

In the state that the liner component is installed on the helical blade, the front end of the liner component is from described The front-end edge of helical blade is prominent to conveying direction upstream side, also, the front-end edge of the liner component is from the periphery Radial outside towards the abutment portion erects, and leaves from the periphery towards the radial outside of the abutment portion, Left relative to the front-end edge of the helical blade to conveying direction upstream side.

According to this structure, by installing liner component on helical blade, so that the front-end edge of liner component replaces spiral The front-end edge of blade and to harvesting stalks play the role of dialling in.Since the front-end edge of helical blade is from the periphery of abutment portion Radial outside towards abutment portion leaves, the shape left relative to the front-end edge of helical blade to conveying direction upstream side State is erected from the outer peripheral surface of abutment portion, therefore by installation liner component, to dial in stalks using front-end edge in liner component When, make stalks be difficult to be detached from liner component, can properly harvesting stalks be dialled in and be imported.

Detailed description of the invention

Fig. 1 is the left side view for indicating entire full-feeding combine harvester.

Fig. 2 is the vertical profile left side view for indicating sheller unit.

Fig. 3 is the top view for indicating threshing portion.

Fig. 4 is the main view for indicating to dial in portion.

Fig. 5 is the main view of the front end for the liner component for indicating the front end of helical blade and being installed on helical blade Figure.

Fig. 6 is the vertical profile main view for indicating threshing processing unit.

Fig. 7 is the rotation shaft for indicating shredding mechanism and the perspective view of cutter.

Fig. 8 is the top view for indicating the bracket of bearing cutter.

Fig. 9 is the cross-sectional plan view for indicating the supporting construction of cutter.

Figure 10 is the side view for indicating the supporting construction of cutter.

Figure 11 is the top view for indicating to be mounted with to send the top plate of the state of dirt valve.

Figure 12 indicates the top view for being mounted with the top plate of the other state for sending dirt valve.

Figure 13 indicates to be mounted with the other top view for sending dirt valve and adding the top plate with the dress state for sending dirt valve.

Figure 14 indicates the main view for dialling in portion for being mounted with the state of liner component.

Figure 15 indicates the side view for dialling in portion for being mounted with the state of liner component.

Figure 16 indicates the perspective view for dialling in portion for being mounted with the state of liner component.

Figure 17 indicates to be mounted with the main view for dialling in portion for implementing the state of the liner component of construction with other.

Description of symbols

5 feeders

7 sheller units

20 threshing chambers

21 thrashing cylinders

27 top plates

29 support shafts

30 dial in portion

31 abutment portions

31a outer peripheral surface

32 helical blades

32t front-end edge

33 liner components

The front end 33f

33t front-end edge

40 threshing processing units

41 threshing tooths

42 threshing tooth bearing parts

45 plate-shaped members

45a toe lateral plate-shaped member

45b abuts plate-shaped member

51 send dirt valve

51a first is sent dirt valve

51b second is sent dirt valve

51c third send dirt valve

51K conveys pilot angle

54 other send dirt valve

54K conveys pilot angle

55 supporting parts

56 add with sending dirt valve

56K conveys pilot angle

57 supporting parts

The interval A1

The interval A2

K interface

L1 distance

L2 distance

L3 distance

X central portion

Z central portion

Specific embodiment

The embodiment of combine harvester based on Detailed description of the invention the utility model.To applied to as combine harvester The case where full-feeding combine harvester of one example, is illustrated.Fig. 1 is the left side for indicating entire full-feeding combine harvester View.The direction definition of " F " shown in FIG. 1 is from the front side of Travel vehicle, and the direction definition of " B " is the rear side from Travel vehicle, paper The direction definition of face table side is from the left side of Travel vehicle, and the direction definition of paper inboard is from the right side of Travel vehicle.

Multiple steel such as square tube material are linked and constitute vehicle frame 1 voluntarily as shown in Figure 1, full-feeding combine harvester has Sail vehicle.It is formed in the front of vehicle frame 1 and takes Drive Section 2.The cockpit that space is taken in covering is equipped with taking Drive Section 2 2a.In the lower part of vehicle frame 1, it is equipped with pair of right and left front vehicle wheel 3f, and in a manner of it can drive to be capable of the side of steering operation Formula is equipped with pair of right and left rear wheel 3r.In the front end of vehicle frame 1, using can be using the lifting central spindle P1 of left and right direction as fulcrum liter The state that drop is swung is linked with harvesting delivery section 4, which gathers in when driving in operation and convey before vehicle body The stalks of the crops such as rice, wheat or the vegetables of side.The lifting and swinging of harvesting delivery section 4 passes through across vehicle frame 1 and feeder 5 The flexible work of the hydraulic up-down cylinder 6 of erection carries out.The rear side for taking Drive Section 2 in vehicle frame 1 is equipped with sheller unit 7, which receives as threshing object and carries out threshing processing for the harvested stalks that delivery section 4 conveys are gathered in, And sorting process is implemented to threshing treated processed material.It is equipped with grain box 8 in the top of sheller unit 7, which will be sharp It is recycled and is accumulated with the single grain for sending device 8a to convey from sheller unit 7 is raised.In the grain that will lodge in grain box 8 In the case where taking-up, the lifting central spindle of the front and back direction of the left end side to be located at grain box 8 rises grain box 8 as fulcrum Thus grain is discharged from the outlet for the right part for being located at grain box 8 in swinging operation.It is cut in the back hitch of sheller unit 7 The threshing being discharged from sheller unit 7 row's stalk is carried out chopping processing and is discharged by crushing device 9, the shredding mechanism 9.

Harvesting delivery section 4 is illustrated.

Delivery section 4 is gathered in along with the traveling of vehicle body, the nearside divider 11 using equipment in the left and right ends of its front will not Harvesting stalks comb is divided into the stalks outside the stalks and harvest object of harvest object.In addition, before using harvesting delivery section 4 is provided in Rotating wheel 12 above portion dials in the lateral rear of fringe point for harvesting object stalks, and using equipment at the bottom of harvesting delivery section 4 The harvesting device 13 of the hairclipper type in portion breaks the strain root lateral incision for harvesting object stalks, to receive to the stalks of harvest object It cuts.The regulation on left and right directions is gathered by stalks are gathered in using the lateral transfer auger 14 at the rear for being provided in harvesting device 13 Position simultaneously rearward sends out it, and by by from the specified position across sheller unit 7 is set in the way of the feeder 5 that sets up Harvesting stalks are put into sheller unit 7.

Sheller unit 7 is illustrated.

When illustrating sheller unit 7 and thrashing cylinder 21, end side is originated with the processing of sheller unit 7 and thrashing cylinder 21 (stalks put into side (on the downside of the paper of Fig. 2)) is " preceding ", terminates end side (stalks with the processing of sheller unit 7 and thrashing cylinder 21 Discharge side (on the upside of the paper of Fig. 2)) it is " rear ".

Fig. 2 is the vertical profile left side view for indicating sheller unit 7.As shown in Figure 1 and Figure 2, sheller unit 7 is by 5 institute of feeder The harvesting stalks of investment are provided with as threshing processed material and implement the threshing portion 7A of threshing processing, to de- to the threshing processed material Grain treated processed material is implemented the sorting portion 7B of sorting process and is carried out to the processed material of the recycle object after sorting process The recoverer 7C of recycling.In the sheller unit 7, following setting: the threshing direction and sorting of threshing portion 7A has been carried out The sorting process direction of portion 7B is consistent with the front-rear direction of vehicle body, and the upstream side and sorting process side of threshing direction To upstream side be located at the front side of vehicle body.

As shown in Fig. 2, threshing portion 7A is provided with the threshing chamber 20 for being formed in 7 top of sheller unit.In threshing chamber 20, with The thrashing cylinder central spindle of direction is rotation central spindle P2 before and after sheller unit, with can be to main view when clockwise direction R (referring to Fig. 4) rotation The mode of driving is supported with thrashing cylinder 21.It is formed with supply mouth 22 in the front lower portion of threshing chamber 20, which can will be by Feeder 5 lifts and the threshing processed material conveyed is put into threshing chamber 20.Dust-exhausting port is formed in the rear lower of threshing chamber 20 23, which threshing treated processed material can be discharged from threshing chamber 20.In the peripheral region of thrashing cylinder 21 The region of 21 lower section of thrashing cylinder, equipped with the sieve 24 for when observing along the longitudinal direction being in U-shaped (referring to Fig. 4).In threshing chamber 20 Top, send dirt valve 50,51 equipped with the seven stringer board shapes arranged on the direction of the rotation central spindle P2 along thrashing cylinder 21.

Threshing chamber 20 by bearing thrashing cylinder 21 front support wall 25 and rear support wall 26, the top plate above thrashing cylinder 21 The divisions such as 27 and sieve 24 are formed.As shown in figure 4, when the direction of the rotation central spindle P2 along thrashing cylinder 21 is observed, top plate 27 have arcuation section shape outstanding upward.Top plate 27 is supported to can be with the opening and closing for the front and back direction for being located at right part Central spindle be swing pivot to swing up and down opening and closing.Equipped with cover 28 above top plate 27.Cover 28 is supported to and 27 one of top plate Ground swings opening and closing.As shown in Figure 2, Figure 4 shows, sieve 24 have more taeniae 24a and Duo Gen horizontal stripes 24b, more taeniae 24a along Be formed as circular shape in a manner of the circumferential direction along thrashing cylinder 21 when the direction observation of thrashing cylinder central spindle, and along thrashing cylinder It being arranged at spaced intervals on the direction of central spindle, more horizontal stripe 24b are formed as the rectilinear form in the direction along thrashing cylinder central spindle, and It is arranged with the state intersected with taeniae 24a in the circumferentially spaced compartment of terrain of thrashing cylinder.Thrashing cylinder 21 has set on thrashing cylinder 21 Dial in portion 30 and the threshing processing unit 40 set on the rear portion of thrashing cylinder 21 in front.

Threshing portion 7A by by feeder 5 via supply mouth 22 put into threshing chamber 20 harvesting stalks from strain root to fringe It is sent by the entire stalks of point as threshing processed material, using the portion that dials in 30 to the rear portion side of thrashing cylinder 21, and utilizes threshing Processing unit 40 and sieve 24 carry out threshing processing to it, and make grain obtained from handling as threshing from sieve 24 to sorting portion 7B leaks down, and stalk and broken stalk etc. are arranged in the threshing generated by threshing processing and is discharged from dust-exhausting port 23 to shredding mechanism 9.

Thrashing cylinder 21 is illustrated.

As shown in Figure 2, Figure 3, Figure 4, thrashing cylinder 21 has support shaft 29, dials in portion 30 and threshing processing unit 40, support shaft 29 are supported in a manner of being driven in rotation using the thrashing cylinder central spindle on the processing direction by threshing portion 7A as rotation central spindle P2 Threshing chamber 20 dials in the front that portion 30 is set to thrashing cylinder 21, and the rotation driving of support shaft 29, threshing processing unit 40 are set to threshing The position of the rear side for dialling in portion 30 in cylinder 21, and the rotation driving of support shaft 29.

Threshing processing unit 40 has the thrashing cylinder main body 21A for being supported on support shaft 29 and the rotation driving of support shaft 29.? On the outer peripheral surface of the thrashing cylinder main body 21A of outer peripheral surface as thrashing cylinder 21, with spaced up in the side along thrashing cylinder central spindle The state that compartment of terrain arranges and the state to arrange in the circumferentially spaced compartment of terrain of thrashing cylinder 21, are provided with multiple threshings Tooth 41.Each threshing tooth 41 is prominent from the outer peripheral surface of thrashing cylinder main body 21A towards thrashing cylinder radial outside.

As shown in Fig. 2, Fig. 3, Fig. 6, the threshing tooth bearing part 42 that thrashing cylinder main body 21A has the six roots of sensation rodlike, these are de- Grain tooth bearing part 42 is along the state of thrashing cylinder central spindle and to arrange in the circumferentially spaced compartment of terrain of support shaft 29 State support is in support shaft 29.On each threshing tooth bearing part 42, with the interval in the direction along thrashing cylinder central spindle State support have multiple rodlike threshing tooths 41.The threshing tooth 41 of each threshing tooth bearing part 42 is from threshing tooth bearing part 42 Radial outside towards thrashing cylinder 21 is prominent.Disk is equipped in a manner of rotating integrally in the processing direction starting ends of support shaft 29 The front support component 43 of shape.Discoid rear branch is equipped in a manner of rotating integrally in the processing direction final end of support shaft 29 Bearing portion part 44.Position between the front support component 43 in support shaft 29 and rear support component 44, in a manner of rotating integrally Equipped with the three discoid plate-shaped members 45 arranged at spaced intervals along processing direction.Before each threshing tooth bearing part 42 End side is supported on the peripheral part of front support component 43, and the middle part of each threshing tooth bearing part 42 is supported on each plate-shaped member 45 Peripheral part, the rear end side of each threshing tooth bearing part 42 is supported on to the peripheral part of rear support component 44, thus each threshing tooth Bearing part 42 is supported on support shaft 29 in a manner of rotating integrally.With six roots of sensation threshing tooth bearing part 42 circumscribed barrel surface at For the outer peripheral surface of thrashing cylinder main body 21A.

Arrangement spacing of the threshing tooth 41 on each threshing tooth bearing part 42 on thrashing cylinder shaft core direction is set as phase Together.By the state support overturned in the circumferentially upper adjacent pair threshing tooth bearing part 42 of thrashing cylinder with front and back direction in front support Component 43, plate-shaped member 45 and rear support component 44, in thrashing cylinder circumferential direction, in adjacent pair threshing tooth bearing part 42 A threshing tooth bearing part 42 on the mutual gap of threshing tooth in, dispose de- on another threshing tooth bearing part 42 Grain tooth 41.Each threshing tooth bearing part 42 can be constituted removably, when threshing tooth 41 produces abrasion, can exchange threshing tooth The front and back direction of bearing part 42.

In the present embodiment, threshing tooth bearing part 42 is made of round tube steel.Threshing tooth bearing part 42 is in addition to can Except round tube steel, additionally it is possible to using various bar-like members such as round stock, square rod steel, square tube steel.In addition, threshing tooth Bearing part 42 can also use angle section, slot material.In the present embodiment, each threshing tooth 41 is made of round stock.Threshing tooth 41 removes It can be using except round stock, additionally it is possible to using various bar-like members such as square rod steel, circular pipe, square tube materials.In this implementation In example, although being provided with three plate-shaped members 45, three are not limited to, can be set two or four also with first-class any The plate-shaped member 45 of quantity.In the present embodiment, it as plate-shaped member 45, uses support shaft 29 and threshing tooth bearing part The plate-shaped member of the closed shape of whole region between 42.It, can be using in support shaft 29 and threshing as plate-shaped member 45 There is the plate-shaped member of the shape of multiple through holes of the circumferential array along plate-shaped member 45 between tooth bearing part 42.

As shown in figure 3, figure 4 and figure 5, seven are sent dirt valve 50,51 via along the length direction interval for sending dirt valve 50,51 Multiple binder bolts 52 of ground arrangement are supported on top plate 27.Seven are sent dirt valve 50,51 to send dirt positioned at threshing chamber forefront side Valve 50 be located at dial in the top in portion 30, six sent other than dirt valve 50 positioned at threshing chamber forefront side send dirt valve 51 to be located at threshing The state of the top of processing unit 40 is equipped with.

Six positioned at the top of threshing processing unit 40 are sent dirt valve 51 to be equipped with like that as shown in Figure 2 and Figure 3, so that being located at de- The interval A1 of dirt valve 51a, 51b, 5c each other on thrashing cylinder front-rear direction is sent in the front of grain processing unit 40, than being located at rear portion Send the interval A2 wide of dirt valve 51d, 51e, 51f each other on thrashing cylinder front-rear direction.

Specifically, be located at the front and back central portion X of top plate 27 send the dirt valve mutual interval A1 immediately following front, than position Position after the front and back central portion X of top plate 27 send dirt valve 51 mutual interval A2 wide.

Position Z's corresponding with the front and back central portion of threshing processing unit 40 in top plate 27 send immediately following what is be arranged at front The mutual interval A1 of dirt valve, than the position after position Z corresponding with the front and back central portion of threshing processing unit 40 in top plate 27 Place's setting send dirt valve mutual interval A2 wide.

Specifically, six that are located at 40 top of threshing processing unit are sent in dirt valve 51, from the front of threshing processing unit 40 First send dirt valve 51a, second front upper for sending dirt valve 51b and third that dirt valve 51c is sent to be located at threshing processing unit 40. Third send dirt valve 51c across the front upper of threshing processing unit 40 and the rear upper setting of threshing processing unit 40.Third The front and back central portion X for sending dirt valve 51c to be located at top plate 27.Third send dirt valve 51c be located in top plate 27 with threshing processing unit 40 The corresponding position Z of front and back central portion.Six above threshing processing unit 40 are sent in dirt valve 51, and the 4th three risen send Dirt valve 51d, 51e, 51f are located at the rear upper of threshing processing unit 40.

First is sent dirt valve 51a and second interval A1 sent between dirt valve 51b to send dirt valve 51c and the 4th than third The interval A2 wide between dirt valve 51d is sent, and send dirt valve 51d and the 5th interval A2 wide sent between dirt valve 51e than the 4th, and And dirt valve 51e and the 6th interval A2 wide sent between dirt valve 51f is sent than the 5th.Second is sent dirt valve 51b to send with third Interval A1 between dirt valve 51c send dirt valve 51c and the 4th interval A2 wide sent between dirt valve 51d, and ratio the 4th than third A interval A2 wide for sending dirt valve 51d and the 5th to send between dirt valve 51e, and send dirt valve 51e and the 6th to send dirt than the 5th Interval A2 wide between valve 51f.In the present embodiment, first is sent dirt valve 51a and second interval A1 sent between dirt valve 51b Dirt valve 51b and third is sent to send the interval that be width equal the interval A1 between dirt valve 51c with second.It is not limited to this, Dirt valve 51a and second interval A1 sent between dirt valve 51b can be sent by first and second is sent dirt valve 51b to send with third Interval A1 between dirt valve 51c is set as the interval of different in width.In the present embodiment, third send dirt valve 51c and the 4th Send the interval A2 between dirt valve 51d, the 4th send dirt valve 51d and the 5th interval A2 sent between dirt valve 51e, the 5th send dirt The interval A2 that valve 51e is sent between dirt valve 51f with the 6th is the equal interval of width.It is not limited to this, it can also be by third Send dirt valve 51c and the 4th interval A2 sent between dirt valve 51d, the 4th send dirt valve 51d and the 5th to send between dirt valve 51e Interval A2, the 5th interval A2 for sending dirt valve 51e and the 6th to send between dirt valve 51f are set as the interval of different in width.

Send dirt valve 51a in the boundary in the portion that dials in 30 and threshing processing unit 40 from first of the front of threshing processing unit 40 The top of portion K is across the portion that dials in 30 and threshing processing unit 40.Dirt valve 51b is sent to exist from second of the front of threshing processing unit 40 The top of the toe lateral plate-shaped member 45a of the front positioned at threshing processing unit 40 when vertical view in three plate-shaped members 45 across The front and back of toe lateral plate-shaped member 45a.Send dirt valve 51c when looking down at three from the third of the front of threshing processing unit 40 The adjoining plate being disposed adjacently with toe lateral plate-shaped member 45a after toe lateral plate-shaped member 45a in plate-shaped member 45 The top of component 45b is across the front and back of adjacent plate-shaped member 45b.

In the present embodiment, when looking down, send dirt valve mutual interval in the front upper positioned at threshing processing unit 40 There are four to five threshing tooths 41 in A1, have in the sending in the mutual interval A2 of dirt valve for rear upper for being located at threshing processing unit 40 There are two to three threshing tooths 41.

Thrashing cylinder 21 is configured to be connected between inside is formed with via threshing tooth bearing part 42 with threshing chamber 20 Inner space S2 (referring to Fig. 5, Fig. 6) caged, and will be prominent from the outer peripheral surface of thrashing cylinder 21 towards thrashing cylinder radial outside Multiple threshing tooths 41 with the circumferential direction of thrashing cylinder 21 and processing direction on arrange at spaced intervals state setting, be configured to So-called rod type thrashing cylinder.

Thrashing cylinder 21 is the clockwise direction R rotation for rotating central spindle P2 to main view when with the thrashing cylinder central spindle for handling direction, by This imports the threshing processed material from the portion that dials in 30 between threshing processing unit 40 and sieve 24.Thrashing cylinder 21 passes through threshing tooth branch The strike of bearing portion part 42 and threshing tooth 41 and the combing of threshing tooth 41 etc. are to being located at 21 outside of thrashing cylinder (between sieve 24 Threshing processing space S1 (referring to Fig. 2)) threshing processed material implement threshing processing.Situation especially more in processing object amount Under, it can allow for the processed material from the portion that dials in 30 via inner space S2 is entered between threshing tooth bearing part 42, prevent from locating Manage object blocking.Into inner space S2 processed material by stirring by carry out threshing processing, and by centrifugal force by from threshing tooth To the external discharge of thrashing cylinder 21 between bearing part 42.

The wind that the processed material near toe lateral plate-shaped member 45a outside thrashing cylinder 21 is supplied by helical blade 32 Send the conveying of dirt valve 51b to guide with second, in the past lateral rear side cross toe lateral plate-shaped member 45a and towards after thrashing cylinder 21 It swimmingly flows side.It is flowed along with the processed material, the processed material of internally positioned space S 2 is under the influence of centrifugal force from inside Space S 2 is flowed out to outside, and lateral rear side is crossed toe lateral plate-shaped member 45a and flowed towards the rear of thrashing cylinder 21 in the past.Separately Outside, the processed material near the adjoining plate-shaped member 45b outside thrashing cylinder 21 is sent the conveying of dirt valve 51c to draw by third It leads, lateral rear side is crossed adjacent plate-shaped member 45b and swimmingly flowed towards the rear of thrashing cylinder 21 in the past.Along with the processed material Flowing, the processed material of internally positioned space S 2 are flowed out from inner space S2 to outside under the influence of centrifugal force, after the past is lateral It crosses adjacent plate-shaped member 45b and is flowed towards the rear of thrashing cylinder 21 in side.That is, being located at the processed material outside thrashing cylinder 21 It is all swimmingly flowed towards the rear of thrashing cylinder 21 with the processed material for the inner space S2 for flowing into thrashing cylinder 21.

As shown in Fig. 3, Figure 11, it is in top plate 27, in addition to threshing chamber forefront side send dirt valve 50 other than six The position near supporting part 53 for sending dirt valve 51 to be supported in a detachable manner, equipped with sending the another of dirt valve 51 to being different from The outer supporting part 55 for sending dirt valve 54 to be installed.First in top plate 27 send dirt valve 51a and second send dirt valve 51b it Between position and second send dirt valve 51b and third to send the position between dirt valve 51c, equipped with sending dirt valve 51 to being different from It adds with the supporting part 57 for sending dirt valve 56 to be installed.In the present embodiment, supporting part 55,57 by installation binder bolt installation Screw thread is constituted.As supporting part 55,57, however it is not limited to install screw thread, can also use using various link mechanisms such as connecting pins Supporting construction.

As shown in figure 12, can install conveying pilot angle 54K compared to the conveying pilot angle 51K of dirt valve 51 is sent is smaller inclination The other of angle send dirt valve 54 to replace six to send dirt valve 51.It other send dirt valve 54 by installing and replaces sending dirt valve 51, energy Enough make threshing processed material with than using the low movement speed of movement speed when sending the conveying guidance of dirt valve 51 towards 20 rear of threshing chamber It moves and carries out threshing processing.

As shown in Fig. 3, Figure 11, first is being replaced to send dirt valve 51a and that installs other send dirt valve 54 and replace second It is a send dirt valve 51b and install it is other send between dirt valve 54, conveying pilot angle 56K can be installed and compare the conveying for sending dirt valve 51 Pilot angle 51K is that smaller inclination angle is added with sending dirt valve 56, replace second to send dirt valve 51b and install in addition send dirt Valve 54 and replace third to send dirt valve 51c and install it is other send between dirt valve 54, conveying pilot angle 56K can be installed and compared Sending the conveying pilot angle 51K of dirt valve 51 is that smaller inclination angle is added with sending dirt valve 56.First is being replaced to send dirt valve 51a, the Two send dirt valve 51b and third to send dirt valve 51c and install it is other send dirt valve 54 in the case where, in threshing processing unit 40 Front upper, conveying pilot angle 54K are that the other of smaller inclination angle send the mutual interval of dirt valve 54 wider, and is increased by installation If with dirt valve 56 is sent, can it is other between sending dirt valve 54 using add with send dirt valve 56 supplement conveying guiding function.

In the present embodiment, it send conveying pilot angle 54K possessed by dirt valve 54 by other and adds with sending dirt valve 56 institute The conveying pilot angle 56K having is set as the angle of identical value.It is not limited to this, it also can be by conveying pilot angle 54K and conveying Pilot angle 56K is set as the angle of different value.

The portion that dials in 30 is illustrated.

As shown in Fig. 2, Fig. 4, Figure 15, dialling in portion 30 has the front end side then smaller abutment portion of diameter more by thrashing cylinder 21 31 and with from the peripheral part of abutment portion 31 towards the outside of abutment portion 31 erect state be set to abutment portion 31 peripheral part spiral Blade 32.There are two helical blades 32 for tool.Two helical blades 32 are in the circumferentially spaced spaced double of abutment portion 31 Heavy corkscrews shape is arranged from the rear end of abutment portion 31 to front end.On the conveyor surface of two helical blades 32, connection spiral shell is utilized Nail 34 by can removably in a manner of be equipped with along the spiral helicine of helical blade 32 and simultaneously for the liner component of plate 33.? Plurality of positions on the length direction of helical blade 32, opposite side side and abutment portion 31 across helical blade 32 conveyor surface Peripheral part and be equipped with bearing part 32a.

Abutment portion 31 is made of the metal plate component for being rolled into circular cone shape.As shown in figure 15, the rear end of abutment portion 31 connects It ties in front support component 43, and is supported on support shaft 29 via front support component 43.Front end and bearing throughout abutment portion 31 29 ground of axis is linked with discoid bearing part 35.The front end side of abutment portion 31 is supported on support shaft 29 via bearing part 35.

31 support shaft 29 of abutment portion drives via bearing part 35 and front support component 43, two helical blades 32 with The rotation central spindle P2 of thrashing cylinder 21 is that rotation central spindle is driven in rotation.Dialling in portion 30 will be thrown by feeder 5 via supply mouth 22 The entire stalks of point from strain root to fringe entered to the harvesting stalks of threshing chamber 20 utilize the helical-blade of rotation as threshing processed material Piece 32 dials in it along guidance bottom plate 36 (referring to Fig. 2) to the rear portion side of thrashing cylinder 21, and is sent to the de- of thrashing cylinder 21 Threshing processing space S1 between grain processing unit 40 and sieve 24.

Such as Fig. 4 of helical blade 32, it constitutes as shown in Figure 14, the peripheral part of the clearing end side of helical blade 32 and threshing Distance L1 of the rotation central spindle P2 of cylinder 21 in thrashing cylinder radially, peripheral part and threshing than the starting point side of helical blade 32 The rotation central spindle P2 of cylinder 21 is small in the distance L2 of thrashing cylinder radially.In the present embodiment, the distance L1 ratio in helical blade 32 The length SL of the helical blade 32 of distance L2 small clearing end side in the longitudinal direction is the pact of the overall length SA of helical blade 32 1/2.In addition, when portion 30 is dialled in side view observation, the distance L1 in helical blade 32 is smaller than distance L2 as shown in Fig. 2, Figure 14 The distance LL of clearing end side is about the 1/2 of the distance LA of entire helical blade 32.Distance L1 ratio distance in helical blade 32 The length and distance of L2 small clearing end side can be set as various length and distance in addition to the present embodiment.

Such as Figure 14, Figure 15 of liner component 33, it constitutes as shown in Figure 16, liner component 33 is being installed on helical blade 32 In the state of, the rotation central spindle P2 of the peripheral part of liner component 33 and thrashing cylinder 21 compares spiral shell in thrashing cylinder radially distance L3 In thrashing cylinder, radially distance L2 is big with the rotation central spindle P2 of thrashing cylinder 21 for the peripheral part of the starting point side of vane piece 32, and And from the starting point side of liner component 33 to the clearing end side of liner component 33, the peripheral part of liner component 33 and threshing The rotation central spindle P2 of cylinder 21 is identical in the distance L3 of thrashing cylinder radially.

In the state of being mounted with liner component 33, helical blade 32 is supplementing helical blade 32 using liner component 33 In the state of the conveyor surface of the clearing end side part narrow compared with the conveyor surface of beginning side, stalks are dialled in and conveyed.

In the state of having removed liner component 33, due to the peripheral part and thrashing cylinder of the clearing end side of helical blade 32 21 rotation central spindle P2 is small compared with the distance L2 of beginning side in the distance L1 of thrashing cylinder radially, therefore helical blade 32 Gap between helical blade 32 at clearing end side and the cross wall portion 7k (referring to Fig. 6) of sheller unit 7, than helical blade 32 Starting point side at helical blade 32 and sheller unit 7 cross wall portion 7k between relief width.

Fig. 5 is the front end for indicating the front end 32f of helical blade 32 and being installed on the liner component 33 of helical blade 32 The main view of portion 33f.The front end 32f of helical blade 32 is constituted as shown in Figure 4, Figure 5, the front-end edge of helical blade 32 32t is then located at conveying direction to leave relative to the outer peripheral surface 31a of abutment portion 31 to the radial outside of abutment portion 31 The state in downstream side is tilted relative to outer peripheral surface 31a.

In the state that liner component 33 is installed on helical blade 32, as shown in Figure 4, Figure 5, become following state: liner The front end 33f of component 33 is prominent from the front-end edge 32t of helical blade 32 to conveying direction upstream side, also, liner component 33 Front-end edge 33t erected from outer peripheral surface 31a to the radial outside of abutment portion 31, and from outer peripheral surface 31a to abutment portion 31 Radial outside leave, left relative to the front-end edge 32t of helical blade 32 to conveying direction upstream side.Utilizing liner When the front end 33a of component 33 is dialled in and imported harvesting stalks, dials in and lead compared to the front end 32f using helical blade 32 The case where entering, stalks are more difficult to be detached from from the front-end edge 33t of liner component 33.

Sorting portion 7B is illustrated.

As shown in Fig. 2, sorting portion 7B is provided with the oscillatory sorting device 60 set on the lower section of sieve 24.By making to be set to The driving mechanism 61 of the eccentric cam formula of the rear end of oscillatory sorting device 60 works, and oscillatory sorting device 60 is in front and back It is swung up.In addition, in the front lower place of oscillatory sorting device 60 equipped with winnowing machine 62.Winnowing machine 62 is using from left sides When the air-supply body that rotates counterclockwise generate sorting wind.Oscillatory sorting device 60 will be from sieve 24 while swinging Processed material etc. is caught, and is sieved point while transferring the processed material caught along sorting process direction as sorting object processed material Choosing, and pneumatic separating is carried out by the sorting wind from winnowing machine 62.

Recoverer 7C is illustrated.

In recoverer 7C, is formed in the lower section of the sorting process direction upstream side of oscillatory sorting device 60 and once recycled Portion 63.In addition, being formed with secondary recovery portion 64 below the sorting process direction downstream side of oscillatory sorting device 60.It is primary to return Receipts portion 63 is formed as bottom in side view and narrows shape, by what is flowed down from the sorting process direction upstream side of oscillatory sorting device 60 Single grain carries out flowing down guidance to bottom as an object.In the bottom of a recoverer 63, with left and right towards equipped with The auger 63a that single treatment object moves out.The object that auger 63a will run down into the bottom of a recoverer 63 is defeated It is sent to and is connected to raising and sending device 8a (referring to Fig.1) for connection with the right part of an auger 63a.The shape in side view of secondary recovery portion 64 Narrow shape as lower part, the conducts such as band branch stalk grain that will be flowed down from the sorting process direction downstream side of oscillatory sorting device 60 Secondary object carries out flowing down guidance to bottom.In the bottom in secondary recovery portion 64, moved out with left and right direction equipped with secondary object Secondary auger 64a.The secondary object for the bottom for running down into secondary recovery portion 64 is supplied to and secondary auger 64a by secondary auger 64a Right part connection connection secondary loop back device 65.Secondary loop back device 65 carries out the secondary object from secondary auger 64a It raises and send and pass back to oscillatory sorting device 60.

Shredding mechanism 9 is illustrated.

As shown in Figure 1 and Figure 2, it is rotation center to direction of rotation that shredding mechanism 9, which has using the central spindle P3 of vehicle body left and right directions, The rotation shaft 70 of C rotation driving.Multiple cutters 71 are supported in a manner of being unable to relative rotation in rotation shaft 70, Multiple cutter 71 is between the direction of rotation central spindle P3 and the circumferentially spaced of rotation shaft 70 along rotation shaft 70 It is arranged every ground.

As shown in fig. 7, multiple left-cut tool 71L of the left side positioned at rotation shaft 70 in multiple cutters 71 are to arrange The spiral helicine state of heavy corkscrews in pairs is supported on rotation shaft 70 in a manner of being unable to relative rotation.In multiple cutters 71 Positioned at multiple right-cut tool 71R of the right side of rotation shaft 70 to be arranged in the spiral helicine state of dual spiral with cannot phase Rotation shaft 70 is supported on to the mode of rotation.

Fig. 8 be indicate to be supported in a manner of being unable to relative rotation rotation shaft 70, cutter 71 is supported The perspective view of bracket 72.As shown in Figure 7, Figure 8, the hand of spiral of left-cut tool 71L and the hand of spiral of right-cut tool 71R become opposite The hand of spiral in direction.The hand of spiral of left-cut tool 71L be with by processed material from the left end side of rotation shaft 70 towards rotation Turn the hand of spiral of the conveying function of the dextrad conveying direction HR conveying of the central portion conveying of support shaft 70.The spiral shell of right-cut tool 71R Revolving direction is with the left-hand for conveying processed material with the central portion from the right end side of rotation shaft 70 towards rotation shaft 70 The hand of spiral of the conveying function of conveying direction HL conveying.

Since the left-cut tool 71L of the left side of rotation shaft 70 is defeated by the central portion of processed material towards rotation shaft 70 It send, the right-cut tool 71R of the right side of rotation shaft 70 conveys the central portion of processed material towards rotation shaft 70, therefore can To be easy because shredding load and the load and being applied to of left end side that centrifugal force due to is applied to rotation shaft 70 rotationally supports The state-driven rotation shaft 70 of balance is obtained between the load of the right end side of axis 70.

The supporting construction that each cutter 71 is supported on rotation shaft 70 is constituted as shown in Figure 9, Figure 10.In rotation branch Hold the bracket 72 that tubular is fixed on axis 70.In bracket 72 and cutter 71 be located at bracket 72 inside base portion 71a and pacify Equipped with binder bolt 73.The head 73a of binder bolt 73 enters the bolt hole 72a of bracket 72.Pass through the six of head 73a peripheral part The hexagonal shape of side shape shape and bolt hole 72a inner peripheral portion is by head 73a and the card in a manner of being unable to relative rotation of bracket 72 It closes, binder bolt 73 is prevented to rotate.Bracket 72 is provided with the bracket master of the flute profile extended from rotation shaft 70 to radial outside The body 72b and plate component 72c for closing the channel opening of bracket main body 72b.

(other embodiments)

(1) Figure 17 is the main view for dialling in portion 30 for indicating to be mounted with to implement with other state of liner component 80 of construction Figure.As shown in figure 17, in the liner component 80 for implementing construction with other, in the state of being installed on helical blade 32, lining In thrashing cylinder, radially distance L4 ratio serves as a contrast the peripheral part of the clearing end side of pad component 80 with the rotation central spindle P2 of thrashing cylinder 21 In thrashing cylinder, radially distance L5 is small with the rotation central spindle P2 of thrashing cylinder 21 for the peripheral part of the starting point side of pad component 80.

Helical blade 32 and threshing in the state of being mounted with liner component 80, at the clearing end side of helical blade 32 Helical blade 32 at the starting point side of gap-ratio helical blade 32 between the cross wall portion 7k (referring to Fig. 6) of device 7 and de- Relief width between the cross wall portion 7k of grain device 7.

Relationship and liner component 80 between the front end 80f of liner component 80 and the front-end edge 32t of helical blade 32 Front-end edge 80t and helical blade 32 front-end edge 32t between relationship, with the relationship in liner component 33 and helical blade 32 It is identical.

(2) in the present embodiment, the peripheral part and thrashing cylinder 21 using the clearing end side of helical blade 32 are shown The distance between central spindle P2 L1 is rotated compared with the distance between the peripheral part of beginning side and the rotation central spindle P2 of thrashing cylinder 21 L2 The example of small helical blade 32, but also can be using between the peripheral part of helical blade 32 and the rotation central spindle P2 of thrashing cylinder 21 Distance from the starting point side of helical blade 32 to clearing end side, identical helical blade is implemented.

(3) in the present embodiment, the example of setting liner component 33 or 80 is shown, however, you can also not cushion part is arranged Part 33,80 is implemented.

(4) in the above-described embodiments, it shows to be equipped in the top in the portion that dials in 30 and send the example of dirt valve 50, however, you can also not 30 top of the portion that dials in is arranged send dirt valve 50 to implement.

(5) in the above-described embodiments, showing the setting of the portion of dialling in 30, there are two the examples of helical blade 32, but are not limited to Two, portion can also be dialled in using the helical blade 32 that a helical blade 32 or setting three or more is only arranged.

(6) in the above-described embodiments, the threshing processing unit 40 for showing thrashing cylinder 21 is configured to the example of rod type, but can also To be equipped with the threshing processing unit 40 of the drum type of threshing tooth using the outer peripheral surface in columnar thrashing cylinder main body.

(7) in the above-described embodiments, show the processing direction of sheller unit 7 with along from Travel vehicle in the front-back direction The example that mode is constituted, but can also be constituted in such a way that the processing direction of sheller unit 7 is along from the transverse direction of Travel vehicle And implement.

Industrial applicibility

The utility model is not limited to the combine harvester with front vehicle wheel and rear wheel, additionally it is possible to before being used in replacement Wheel and rear wheel and the combine harvester that crawler type running device is arranged or setting are by small-sized caterpillar belt and running vehicle wheel group The combine harvester of mobile devices made of conjunction.

Claims

1. a kind of combine harvester comprising:

Feeder conveys harvesting stalks；

Sheller unit by the whole stalk investment harvesting stalks of the feeder, and carries out threshing processing to the harvesting stalks of investment；

The sheller unit is provided with the thrashing cylinder that threshing chamber is set in a manner of it can rotate driving,

The front of the thrashing cylinder is provided with the portion of dialling in, which has helical blade, passes through the rotation of the helical blade Stalks are dialled in the rear portion side of the thrashing cylinder,

The portion of dialling in is provided with abutment portion, which has the front end side then smaller front end of diameter more by the thrashing cylinder Attenuate shape,

The helical blade is erected on the peripheral part of the abutment portion,

The peripheral part of the clearing end side of the helical blade and the rotation central spindle distance in the radial direction of the thrashing cylinder are than institute The rotation central spindle of the peripheral part for stating the starting point side of helical blade and the thrashing cylinder is in the radial direction apart from small.

2. combine harvester according to claim 1, which is characterized in that

The starting point side of the helical blade is formed as taking off with the peripheral part of the starting point side of the helical blade with described The rotation central spindle distance in the radial direction of grain cylinder is the circular shape of radius,

The clearing end side of the helical blade is formed as taking off with the peripheral part of the clearing end side of the helical blade with described The rotation central spindle distance in the radial direction of grain cylinder is the circular shape of radius.

3. combine harvester according to claim 1, which is characterized in that

The helical blade has step between front end side and rear end side,

The rake of starting point with the clearing end and rear end portion side across the front end side,

The rake is erected from the periphery of the abutment portion towards the radial outside of the abutment portion, and more from the periphery Radial outside towards the abutment portion leaves, and the rake more leaves to conveying direction upstream side.

4. combine harvester according to claim 2, which is characterized in that

The helical blade has step between front end side and rear end side,

5. combine harvester according to any one of claim 1 to 4, which is characterized in that

The front-end edge of the helical blade is relative to the periphery of the abutment portion towards the radial outside of the abutment portion The state then positioned at conveyance direction downstream side is left to tilt relative to the outer peripheral surface.

6. combine harvester according to claim 5, which is characterized in that

The liner component that can be dismounted is provided on the conveyor surface of the helical blade,

In the state that the liner component is installed on the helical blade, the front end of the liner component is from the spiral The front-end edge of blade is prominent to conveying direction upstream side.

7. combine harvester according to claim 6, which is characterized in that

The front-end edge of the liner component is erected from the periphery towards the radial outside of the abutment portion, and from described Periphery is left towards the radial outside of the abutment portion, relative to the front-end edge of the helical blade to conveying direction upstream It leaves side.

8. a kind of combine harvester comprising:

Feeder conveys harvesting stalks；

The peripheral part of the clearing end side of the helical blade and the rotation central spindle distance in the radial direction of the thrashing cylinder are than institute The rotation central spindle of the peripheral part for stating the starting point side of helical blade and the thrashing cylinder is in the radial direction apart from small,

In the state that the liner component is installed on the helical blade, from the starting point side of the liner component to institute State the clearing end side of liner component, the rotation central spindle of the peripheral part of the liner component and the thrashing cylinder it is in the radial direction away from From identical.

9. combine harvester according to claim 8, which is characterized in that

In the state that the liner component is installed on the helical blade, the peripheral part of the liner component and the threshing The rotation central spindle distance in the radial direction of cylinder is than the peripheral part of the helical blade and the rotation central spindle of the thrashing cylinder in radial direction On distance it is big.

10. combine harvester according to claim 8, which is characterized in that

The helical blade has step between front end side and rear end side,

11. combine harvester according to claim 9, which is characterized in that

The helical blade has step between front end side and rear end side,

12. combine harvester described in 0 or 11 according to claim 1, which is characterized in that

13. combine harvester according to claim 12, which is characterized in that

14. combine harvester according to claim 13, which is characterized in that

15. a kind of combine harvester comprising:

Feeder conveys harvesting stalks；

In the state that the liner component is installed on the helical blade, the periphery of the clearing end side of the liner component Peripheral part of the rotation central spindle distance in the radial direction of portion and the thrashing cylinder than the starting point side of the liner component and institute The rotation central spindle for stating thrashing cylinder is in the radial direction apart from small.

16. combine harvester according to claim 15, which is characterized in that

The starting point side of the liner component is formed as taking off with the peripheral part of the starting point side of the liner component with described The rotation central spindle distance in the radial direction of grain cylinder is the circular shape of radius,

The clearing end side of the liner component is formed as taking off with the peripheral part of the clearing end side of the liner component with described The rotation central spindle distance in the radial direction of grain cylinder is the circular shape of radius.

17. combine harvester according to claim 16, which is characterized in that

The liner component has step between front end side and rear end side,

18. combine harvester according to claim 17, which is characterized in that

19. combine harvester according to claim 18, which is characterized in that

20. combine harvester according to claim 19, which is characterized in that

21. a kind of combine harvester comprising:

Feeder conveys harvesting stalks；

The helical blade is erected on the peripheral part of the abutment portion,

The front-end edge of the helical blade is relative to the periphery of the abutment portion towards the radial outside of the abutment portion The state then positioned at conveyance direction downstream side is left to tilt relative to the outer peripheral surface,

22. combine harvester according to claim 21, which is characterized in that

23. the combine harvester according to claim 21 or 22, which is characterized in that

Be provided with it is multiple send dirt valve, it is the multiple to send dirt valve to arrange on the direction of the rotation central spindle along the thrashing cylinder State support conveys guidance towards the rear of the threshing chamber in the top plate of the threshing chamber, by threshing processed material,

Send the mutual interval of dirt valve than being located at the threshing processing unit described in front upper positioned at the threshing processing unit The described of rear upper send the mutual interval of dirt valve wide.

24. combine harvester according to claim 23, which is characterized in that

The multiple of front upper positioned at the threshing processing unit described send front in dirt valve, from the threshing processing unit First send dirt valve and second interval sent between dirt valve, than be located at the threshing processing unit rear upper described in give The mutual interval of dirt valve is wide.

25. combine harvester according to claim 24, which is characterized in that

Described first is sent dirt valve when the top of the interface for dialling in portion and the threshing processing unit is to overlook across institute The state for stating the portion of dialling in and the threshing processing unit is arranged.

26. combine harvester according to claim 23, which is characterized in that

The multiple of front upper positioned at the threshing processing unit described send front in dirt valve, from the threshing processing unit Second send dirt valve and third to send the interval between dirt valve, sent described in the rear upper of the threshing processing unit than being located at The mutual interval of dirt valve is wide.

27. combine harvester according to claim 26, which is characterized in that

The threshing processing unit is provided with support shaft, multiple threshing tooth bearing parts, multiple threshing tooths and multiple plate-shaped members, institute Support shaft configuration is stated in the rotation central spindle of the thrashing cylinder, the multiple threshing tooth bearing part is rodlike, and along institute The posture for stating rotation central spindle is positioned apart from the circumferentially spaced of the thrashing cylinder, and the multiple threshing tooth is rodlike, and with Towards the thrashing cylinder radial outside state outstanding and in a manner of interval in the longitudinal direction be set to the threshing tooth Bearing part, the multiple plate-shaped member in the direction along the rotation central spindle state support that arranges in the bearing Axis, and the middle part of the multiple threshing tooth bearing part is supported,

Described second is sent the front side plate of front positioned at the threshing processing unit of the dirt valve in multiple plate-shaped members The state when top of shape component is to overlook across the front and back of the toe lateral plate-shaped member is arranged,

The third send dirt valve being disposed adjacently with the toe lateral plate-shaped member in institute in multiple plate-shaped members Across the front and back of the adjacent plate-shaped member when stating the top of the adjoining plate-shaped member after toe lateral plate-shaped member to overlook State setting.

28. combine harvester according to claim 23, which is characterized in that

Closely following for front and back central portion positioned at the top plate send the mutual interval of dirt valve than being located at the top plate described in front The front and back central portion after the described of position send dirt valve mutual interval width.

29. combine harvester according to claim 23, which is characterized in that

The institute immediately following setting at front of position corresponding with the front and back central portion of the threshing processing unit in the top plate It states and send dirt valve mutual interval, after the position corresponding with the front and back central portion of the threshing processing unit in the top plate Send the mutual interval of dirt valve wide described in being arranged at position.

30. combine harvester according to claim 23, which is characterized in that

The top plate is the section shape of arcuation outstanding upward when the direction of the rotation central spindle along the thrashing cylinder is observed Shape,

Be equipped with supporting part in the top plate, supporting part installation conveying pilot angle compared to the conveying pilot angle for sending dirt valve be compared with The other of small inclination angle send dirt valve to replace described sending dirt valve.

31. combine harvester according to claim 30, which is characterized in that

Position between dirt valve is sent to be equipped with described in the front upper positioned at the threshing processing unit in the top plate Supporting part, supporting part installation conveying pilot angle adding with sending for smaller inclination angle compared to the conveying pilot angle for sending dirt valve Dirt valve.