CN214102347U - Longitudinal axial flow wheel type grain combine harvester - Google Patents

Abstract

The utility model relates to a axis of ordinates wheeled cereal combine of STREAMING, including the header, traveling system, transmission system, clean system and grain tank thresh, clean system's mount thresh is located on the traveling system, the header erects in the place ahead of clean system of threshing, and with clean system's intercommunication of threshing, the top of clean system of threshing is established to the grain tank mount, and clean system's intercommunication with threshing, transmission system includes engine and middle final drive shaft, the engine mount is established in the top of clean system of threshing, and be located the rear of grain tank, middle final drive shaft is located between grain tank and the engine, the engine is connected through middle final drive shaft and header and the transmission of clean system of threshing. The utility model discloses to the not compact problem of overall structure overall arrangement that current wheeled cereal combine of small-size axial compressor exists, carry out the change of complete machine overall arrangement, each functional unit of reasonable setting arranges more structures in limited space, makes the complete machine more accord with miniaturized requirement.

Description

Longitudinal axial flow wheel type grain combine harvester

Technical Field

The utility model relates to a longitudinal axial flow wheel type grain combine harvester, which belongs to the technical field of harvesters in agricultural machinery.

Background

In recent years, the technology of the crawler-type vertical-axis flow grain combine harvester is continuously developed, and the harvesting efficiency and the multiple functions of one machine are more and more favored by users. The middle-sized and large-sized harvesters in the market of the wheel-type grain combine harvester are still mainstream products, a small-sized longitudinal-axial flow wheel-type grain combine harvester with simple structure and low price is provided by some manufacturers in recent years, other manufacturers in China compete for simulation, and the market influence is large in two years, and the sales volume is increased continuously. Through market use and reaction, the defects of the small longitudinal axial flow wheel type grain combine harvester are exposed, the overall structure layout is not compact enough, and the miniaturization is not thorough, for example, a gearbox and a hydraulic motor are arranged behind a front bridge, so that a cleaning fan is arranged on the rear side and only can be arranged on the outer side of a front driving wheel, and the occupied space is too much; the cleaning fan generally fixes blades on an integral breadth disc, and is generally pulled and disassembled in the form of an impeller assembly, so that the cleaning fan can be realized only by requiring enough space on two sides of the fan, and when parts exist on two sides of the corresponding fan, the disassembly and the assembly have certain limitation; the transmission structure is complex in arrangement, the transmission surface is far away from the machine body and is generally driven by a long shaft, and a belt drives a plurality of parts, so that the power deviates from the machine body for transmission, the power distribution is complex, and the structure is not compact; the threshing cylinder is usually of an integrated structure, when a certain part of the cylinder needs to be replaced, the whole cylinder is usually required to be disassembled, and the cylinder is complicated to install and maintain; the drum is usually mounted on the chassis, the chassis has a complex structure, when a certain part of the drum needs to be replaced, all parts on the chassis need to be detached, and the chassis is troublesome to mount and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vertical axis flow wheel type grain combine harvester is provided, and the technical problem is solved.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a axis of ordinates wheeled cereal combine of STREAMING, includes header, traveling system, transmission system, threshes cleaning system and grain tank, thresh cleaning system mount and locate traveling system is last, the header erects thresh cleaning system's the place ahead, and with thresh cleaning system intercommunication, the grain tank mount is established thresh cleaning system's top, and with thresh cleaning system intercommunication, transmission system includes engine and middle final drive shaft, the engine mount is established thresh cleaning system's top, and is located the rear of grain tank, middle final drive shaft is located the grain tank with between the engine, the engine through middle final drive shaft with the header with thresh cleaning system transmission is connected.

The utility model has the advantages that: the utility model discloses to the not compact problem of overall structure overall arrangement that current wheeled cereal combine of small-size axial compressor exists, carry out the change of complete machine overall arrangement, each functional unit of reasonable setting arranges more structures in limited space, makes the complete machine more accord with miniaturized requirement.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, threshing cleaning system includes that the mount is located threshing machine body on the traveling system is in with the setting cylinder on the threshing machine body, notch board, cleaning fan, sieve case, seed grain screw feeder and miscellaneous surplus screw feeder, the header with cylinder front side intercommunication, the outside cover of cylinder has the notch board, and its rear side is equipped with row grass mouthful department is equipped with the chopper, the sieve case sets up the below of cylinder, cleaning fan is located the front end of sieve case, sieve bottom of the case front side intercommunication seed grain screw feeder, seed grain screw feeder intercommunication the grain tank, sieve bottom of the case rear side intercommunication miscellaneous surplus screw feeder, seed grain screw feeder intercommunication to the cylinder front side.

The beneficial effects of adopting the above-mentioned further scheme are that the utility model discloses do not set up the chassis frame to threshing machine body and chassis frame unite two into one and form the structure frame that supplies other part installations, structural arrangement is compacter.

Further, the thresher body includes first frame, second frame, third frame and is used for supporting the fourth frame of cylinder, first frame with the second frame is parallel to each other and sets up, the both ends of third frame correspond with the one end of first frame with the one end of second frame is connected, the slope of fourth frame sets up first frame with between the second frame, first frame with be provided with a plurality of maintenance holes that correspond with the fourth frame on the second frame respectively.

The threshing machine adopting the further scheme has the beneficial effects that the threshing machine body with the maintenance hole is designed, the roller is directly arranged on the threshing machine body, the chassis is omitted, the roller is convenient to install and maintain through the maintenance hole, and the working efficiency is improved.

Furthermore, the roller comprises a roller shaft, at least one first roller section and at least one second roller section, the first roller section and the second roller section are detachably sleeved on the roller shaft, and the first roller section is connected with the second roller section.

The beneficial effect who adopts above-mentioned further scheme is through designing multistage detachable roller section, when certain part of cylinder needs to be changed, only need with corresponding roller section from the drum shaft dismantle can, the installation and the maintenance of the cylinder of being convenient for are convenient for be used for according to actual need nimble equipment cylinder, improve the suitability of cylinder.

Further, the traveling system comprises two front driving wheels, a front driving bridge, two rear wheels and a rear steering bridge, wherein the two ends of the front driving wheels are respectively in transmission connection with the two front driving wheels, the two rear wheels are arranged between the two rear wheels, the front end and the rear end of the threshing machine body are respectively fixedly arranged on the front driving bridge and the rear steering bridge, and the chopper is arranged on the rear steering bridge.

The beneficial effects of adopting above-mentioned further scheme are that threshing machine body replaces the chassis to erect in preceding drive crane span structure and back steering crane span structure, and the lift of header can also be adjusted through header lift cylinder to preceding drive crane span structure, and the back steering crane span structure can support the chopper.

Further, preceding drive crane span structure includes preceding bridge and gearbox, the gearbox left and right sides is connected with left transmission case and right transmission case transmission respectively through left drive semi-axis and right drive semi-axis, left side transmission case and right transmission case respectively with two the transmission of front driving wheel is connected, both ends tip respectively with left transmission case with right transmission case fixed connection about the preceding bridge, the gearbox is located the position that the front bridge middle part is more anterior, just the structure is dodged to the bending formation in front bridge middle part, it is located to dodge the structure gearbox rear end top.

Further, the front drive crane span structure still includes hydraulic motor, one side fixed mounting of the rear end of gearbox has the hydraulic motor mount pad, hydraulic motor fixed mounting is on the hydraulic motor mount pad, hydraulic motor's output shaft with the gearbox transmission is connected, hydraulic motor is located dodge the rear below of structure, clean the fan and be located the rear of gearbox, and two between the front drive wheel.

The beneficial effects of adopting above-mentioned further scheme are that arrange the gearbox in the position that center department is more forward between two front driving wheels, be located the place ahead of front bridge, and front bridge sets up the structure of dodging that corresponds moreover, dodge leading gearbox and can not influence being connected of front bridge and chassis or organism, such structure can also make the position of cleaning the fan move forward, can set up between two front driving wheels, saved the space that the fore-and-aft structure arranged, compact structure accords with miniaturized requirement more.

Furthermore, the output shaft of the hydraulic motor is in transmission connection with a rear-drive gearbox, the rear-drive gearbox is in transmission connection with the rear steering bridge frame through a coupling assembly, and two ends of the rear steering bridge frame are respectively connected with the two rear wheels.

Adopt above-mentioned further scheme's beneficial effect be the utility model discloses except adopting front wheel drive, can also adopt four wheel drive's mode, the walking ability is stronger.

Further, transmission system still includes middle drive wheel one and middle drive wheel two, the engine pass through middle final drive shaft with middle drive wheel a transmission is connected, middle drive wheel one is connected with seed grain screw feeder drive wheel, miscellaneous surplus screw feeder drive wheel and the transmission of sieve case drive wheel of its below, middle drive wheel one still is connected with the transmission of middle drive wheel two that are located its left side, middle drive wheel two is connected with the header drive wheel of its front side and the fan drive wheel transmission of downside, middle final drive shaft still respectively with its preceding downside or the cylinder drive wheel of back downside and the chopper intermediate wheel transmission of back downside is connected, the fuel tank that is used for supplying with fuel is installed to the rear side of engine, the engine still transmission is connected with the gear pump, the rear side of fuel tank perhaps the grain case with install the hydraulic tank that communicates with the gear pump between the engine, the gear pump is in communication with the hydraulic motor.

Adopt above-mentioned further scheme's beneficial effect be the utility model discloses transmission system compact structure adopts middle final drive shaft, middle drive wheel one and middle drive wheel two that this kind of mode was arranged, need not utilize middle drive wheel one and middle drive wheel two to both sides around dispersing power with the downward transmission of power taste, makes transmission structure next-door neighbour organism, and compact structure is simple effective to whole quick-witted transmission.

Furthermore, the grain tank is also provided with a hydraulic lifting rotary grain unloading cylinder.

Adopt above-mentioned further scheme's beneficial effect to be that the grain tank need dispose unloads a grain section of thick bamboo, and is preferred, unloads a grain section of thick bamboo for hydraulic pressure lifts the rotation and unloads a grain section of thick bamboo, and the high-order unloads grain.

Further, the roller is provided with a gear shifting gearbox or stepless speed regulation transmission.

Furthermore, aiming at the cutting table, various harvesting accessories of the coarse cereals (corn, soybean, sorghum, rape, millet, quinoa and the like) can be configured.

Drawings

FIG. 1 is a schematic structural view of a longitudinal axial flow wheel type grain combine harvester of the present invention;

FIG. 2 is a schematic view of the structure of the threshing machine body of the present invention;

fig. 3 is a second schematic structural view of the threshing machine body of the present invention;

FIG. 4 is a schematic view of the threshing machine body of the present invention after being mounted with a roller;

FIG. 5 is a second schematic view of the threshing machine body of the present invention after the roller is installed thereon;

fig. 6 is a front view of the drum of the present invention;

fig. 7 is a perspective view of the drum of the present invention;

fig. 8 is an enlarged schematic structural view of the mounting base of the present invention;

fig. 9 is a schematic perspective view of the fan impeller of the present invention;

fig. 10 is a schematic side view of the fan impeller of the present invention;

FIG. 11 is a first schematic view of a three-dimensional explosion structure of the cleaning fan of the utility model;

FIG. 12 is a schematic view of a three-dimensional explosion structure of the cleaning fan of the utility model II;

fig. 13 is a schematic structural view of the front drive bridge of the present invention;

fig. 14 is a schematic structural view of the front drive bridge frame of the present invention after the gap bridge of the header is installed;

fig. 15 is a schematic structural view of a side view of the front drive bridge frame of the utility model after being provided with a threshing machine body (omitting a header lift cylinder);

fig. 16 is a schematic structural view of the front driving bridge frame of the utility model after being installed with the threshing machine body;

fig. 17 is a schematic perspective view of the transmission system of the present invention;

fig. 18 is a schematic front view of the transmission system of the present invention;

fig. 19 is a schematic structural view in four-wheel drive according to the present invention;

FIG. 20 is a schematic view of the structure of the drum transmission wheel of the present invention when it is in the front position;

FIG. 21 is a schematic view of the rear-mounted structure of the driving wheel of the roller of the present invention;

fig. 22 is a schematic structural view of the grain tank of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a header;

2. a transmission system; 201. an engine; 202. a middle main transmission shaft; 203. a first intermediate transmission wheel; 204. a second intermediate transmission wheel; 205. a seed auger transmission wheel; 206. a transmission wheel of the tailing auger; 207. a sieve box transmission wheel; 208. a screen box reverse rotation wheel; 209. a header transmission wheel; 210. a fan transmission wheel; 211. a roller transmission wheel; 212. a chopper intermediate wheel; 213. a tension wheel;

3. a traveling system; 310. a gearbox; 311. a right drive half shaft; 312. a left drive half shaft; 313. a hydraulic motor mount; 320. a front bridge; 321. an avoidance structure; 322. a fixed seat; 323. a fixing plate; 324. a header lift cylinder; 330. a hydraulic motor; 331. a rear drive gearbox; 332. a coupling assembly;

4. a grain bin; 401. hydraulically lifting the rotary grain unloading cylinder;

5. a threshing cleaning system;

6. a thresher body; 601. a first frame; 602. a second frame; 603. a third frame; 604. a fourth frame; 605. a repair hole; 606. a support plate; 607. a baffle plate; 608. a mounting seat; 609. a shaft hole; 610. a rear axle connection plate; 611. the rear bridge is connected with the hole; 612. a front axle connection plate; 613. a front axle connection hole; 614. a guide groove; 615. cleaning lower shell connecting holes; 616. a fan connecting hole;

7. a drum; 701. a drum shaft; 702. a first roller section; 703. a second roller section; 704. a connecting disc; 705. a first link; 706. a thread plate; 707. a first bar tooth; 708. a second link; 709. a second bar tooth; 710. anti-winding rings; 711. a feeding unit; 712. feeding a cone; 713. a helical blade; 714. a mounting seat;

8. a fuel tank;

9. a hydraulic oil tank;

10. a cleaning fan; 100. a fan impeller; 101. an upper volute; 102. a lower volute; 103. an air quantity adjusting plate; 104. a fan blade; 105. an impeller support plate; 106. a connecting section; 107. a support section; 108. a width disc; 109. a connecting plate; 110. a fan shaft; 111. fixing the bolt; 112. an air inlet; 113. an air outlet; 114. adjusting the bolt; 115. an adjustment hole;

11. a chopper.

Detailed Description

The principles and features of the present invention are described below, with the examples being given only for the purpose of illustration and not for the purpose of limiting the scope of the invention.

Example 1

As shown in fig. 1, the embodiment relates to a longitudinal axial flow wheel type grain combine harvester, which comprises a header 1, a traveling system 3, a transmission system 2, a threshing and cleaning system 5 and a grain tank 4, the fixed mount of the threshing and cleaning system 5 is arranged on the traveling system 3, the header 1 is erected in front of the threshing and cleaning system 5, and is communicated with the threshing and cleaning system 5, the grain box 4 is fixed above the threshing and cleaning system 5, and is communicated with the threshing and cleaning system 5, the transmission system 2 comprises an engine 201 and a middle main transmission shaft 202, the engine 201 is fixedly arranged above the threshing and cleaning system 5, and is positioned at the rear of the grain tank 4, the middle main transmission shaft 202 is positioned between the grain tank 4 and the engine 201, the engine 201 is in transmission connection with the header 1 and the threshing and cleaning system 5 through a middle main transmission shaft 202.

The embodiment aims at the problem that the overall structure layout of the existing small axial flow wheel type grain combine harvester is not compact enough, changes of the overall layout are carried out, all functional parts are reasonably arranged, more structures are arranged in a limited space, and the overall harvester can better meet the requirement of miniaturization.

The transmission connection in embodiment 1 is to perform the linkage of each component by a transmission component such as a belt or a chain, to realize the function of each component itself, and the communication is the transmission of materials from one component to another.

The present embodiment may be a grain combine, such as a wheat harvester, a corn harvester, a soybean harvester, and the like.

Example 2

On embodiment 1's basis, threshing cleaning system 5 includes that the mount is located threshing body 6 on the traveling system 3 is in with the setting cylinder 7, concave plate on the threshing body 6, clean fan 10, sieve case, seed grain screw feeder and miscellaneous surplus screw feeder, header 1 with cylinder 7 front side intercommunication, the outside cover of cylinder 7 has the concave plate, and its rear side is equipped with row grass mouthful department is equipped with chopper 11, the sieve case sets up the below of cylinder 7, clean fan 10 is located the front end of sieve case, sieve bottom of the case front side intercommunication seed grain screw feeder, seed grain screw feeder intercommunication grain case 4, sieve bottom of the case rear side intercommunication miscellaneous surplus screw feeder, seed grain screw feeder intercommunication extremely cylinder 7 front side.

In the embodiment, the chassis frame is not arranged, the threshing machine body 6 and the chassis frame are combined into a whole to form a structural frame for mounting other parts, and the structural arrangement is more compact.

Example 3

As shown in fig. 2 to 5, based on embodiment 2, the threshing machine body 6 includes a first frame 601, a second frame 602, a third frame 603, and a fourth frame 604 for supporting the roller 7, the first frame 601 and the second frame 602 are disposed in parallel, two ends of the third frame 603 are correspondingly connected to one end of the first frame 601 and one end of the second frame 602, the fourth frame 604 is disposed between the first frame 601 and the second frame 602 in an inclined manner, and the first frame 601 and the second frame 602 are respectively provided with a plurality of maintenance holes 605 corresponding to the fourth frame 604.

By designing the threshing machine body 6 with the maintenance hole 605, the roller 7 is directly arranged on the threshing machine body 6, a chassis is omitted, the roller 7 is convenient to install and maintain through the maintenance hole 605, and the working efficiency is improved.

Wherein, the roller 7 can be a sectional detachable roller or an integrated roller.

The thresher body 6 of the present embodiment is a frame-type integrated structure; the side wall is provided with an observation, adjustment and maintenance window (namely a maintenance hole 605); the outer side wall of the horizontal frame beam is welded with an inclination angle support; the rear side wall is of a detachable structure, so that the roller 7 is convenient to disassemble, assemble and maintain; the front driving bridge and the rear rotating bridge are assembled; the bottom shell of the cleaning room, the volute of the fan and other parts of the thresher body 6 are in a split assembly type structure. The whole threshing machine body 6 is of an assembled structure; the side wall upper beam is welded in an inclined mode; preferably, the front driving bridge and the rear rotating bridge are connected with the front driving bridge and the rear rotating bridge in a welding manner; the cleaning room and the blower volute are integrally connected with the other parts of the threshing machine body 6 in a welding way; the detachable structure of the front side wall facilitates the disassembly, assembly and maintenance of the roller 7.

The existing harvester mostly adopts a plate welding integrated structure, the structure is complex, the weight is heavy, and the cost is high, the embodiment provides a threshing machine body 6 with a frame-type integrated structure, the outer side wall is a horizontal frame beam, and the inner side is welded with an inclination angle supporting structure; aiming at the structure that the roller 7 needs to be integrally disassembled when the existing harvesting machinery harvests different crops and maintains the roller 7, the machine body structure is newly designed in the embodiment, observation, adjustment and maintenance windows are reserved on the two side walls, so that threshing elements are convenient to replace, and meanwhile, the rear side wall of the machine body is changed into an open structure, so that the roller 7 is convenient to integrally disassemble, assemble and maintain; present harvester front and rear axle, cleaning room inferior valve, cleaning fan 10 adopt chassis frame and organism connection structure more, and the structure is complicated, and the brand-new integral type frame construction organism of design of this embodiment welds together, and simple structure can realize equally being connected with front and rear axle, cleaning room inferior valve, cleaning fan 10. The frame welding structure is divided into four sections and is formed by welding four sections of frame structures; connecting holes are formed in the welding positions of the side frames of the left side and the right side to realize the structural connection with the front, back, cleaning lower shells and the cleaning fan 10; a maintenance hole 605 is formed on the left side frame in a welding way, and a maintenance hole 605 is formed on the right side frame in a welding way, so that threshing elements are convenient to disassemble, assemble and maintain; an open structure is left at the rear side of the welding machine body, so that the roller 7 can be integrally disassembled and assembled.

Preferably, the fourth frame 604 includes: a plurality of backup pads 606, backup pad 606 is the semicircle structure, and a plurality of backup pads 606 mutual interval sets up first frame 601 with between the second frame 602 and the arc open end upwards arranges, and the height of a plurality of backup pads 606 increases progressively the setting in proper order by the one end of first frame 601 to the other end. The supporting plate 606 is used for mounting the roller 7, so that the roller 7 can be conveniently and obliquely arranged on the threshing machine body 6, the roller 7 can be conveniently taken out of and mounted on the threshing machine body 6, and the working efficiency is improved.

Preferably, the maintenance hole 605 corresponds to a gap between two adjacent support plates 606, a gap between a support plate 606 and the third frame 603, and a gap between a support plate 606 and the other end of the first frame 601. The maintenance hole 605 corresponds to a gap between two adjacent support plates 606, so that a fault position of the roller 7 can be conveniently found, and the roller 7 can be conveniently maintained through the maintenance hole 605.

Preferably, a concave plate is arranged on the fourth frame 605, the concave plate is an arc plate, and is correspondingly arranged on the support plate 606 and arranged below the roller 7, a cover plate covers the roller 7, the cover plate and the concave plate surround a threshing cavity, and the roller 7 is located in the threshing cavity. The concave plate can be divided into three sections corresponding to the front and the back of the roller 7, and the three sections are respectively fixedly connected with the corresponding supporting plates 606 and can be detached independently.

Wherein, a gap is arranged between the concave plate and the roller 7, the position of the mounting seat 608 is a feed inlet of the threshing machine body 6, and the position of the baffle 607 is a discharge outlet of the threshing machine body 6.

Preferably, the plurality of support plates 606 are parallel to each other. The support plates 606 are parallel to each other and support the drum 7, thereby improving the stability and reliability of the thresher body 6.

Preferably, the other end of the first frame 601 is provided with a baffle 607, two ends of the baffle 607 are correspondingly connected with the other end of the first frame 601 and the other end of the second frame 602, and the top of the baffle 607 is provided with a semi-arc groove for installing the roller 7. The baffle 607 is provided for supporting the drum 7, and facilitates installation and maintenance of the drum 7.

Preferably, the third frame 603 is provided with an installation seat 608 for installing the roller, the installation seat 608 is a plate body, two ends of the installation seat 608 are respectively connected with the first frame 601 and the second frame 602, and the installation seat 608 is provided with a shaft hole 609. The mounting seat 608 is provided for mounting the drum 7 such that the drum 7 is rotatably mounted on the thresher body 6, improving the stability and reliability of the thresher body 6.

Preferably, the bottoms of the other ends of the first frame 601 and the second frame 602 are respectively provided with a rear axle connection plate 610 for being connected with a rear rotating bridge, the rear axle connection plate 610 is of a plate-shaped structure, the rear axle connection plate 610 is vertically arranged, and the rear axle connection plate 610 is provided with a rear axle connection hole 611. The rear axle connection plate 610 is used for connecting the threshing machine body 6 with the rear rotating bridge frame, so that the threshing machine body 6 can be conveniently installed and maintained.

Preferably, a front axle connecting plate 612 for connecting with a front driving bridge is respectively arranged at the bottom of one end of the first frame 601 and the second frame 602, the front axle connecting plate 612 is horizontally arranged, and a front axle connecting hole 613 is arranged on the front axle connecting plate 612. The front axle connecting plate 612 is used for connecting the threshing machine body 6 with the front driving bridge, so that the threshing machine body 6 can be conveniently installed and maintained.

Preferably, the bottom of the first frame 601 and the bottom of the second frame 602 are provided with a guide groove 614 opened to the outside, and the bottom of the guide groove 614 is provided with a cleaning lower housing connection hole 615 and a blower connection hole 616. The cleaning lower shell coupling holes 615 and the fan coupling holes 616 are provided to facilitate the coupling of the thresher body 6 with other parts.

Preferably, the first frame 601, the second frame 602, and the third frame 603 enclose a rectangular parallelepiped structure. The first frame 601, the second frame 602, and the third frame 603 enclose a rectangular structure, which improves the stability and reliability of the thresher body 6, improves the load capacity of the thresher body 6, and reduces the weight of the thresher body 6.

Example 4

As shown in fig. 6 to 8, based on embodiment 2, the drum 7 includes a drum shaft 701, at least one first drum section 702 and at least one second drum section 702, the first drum section 702 and the second drum section 703 are detachably sleeved on the drum shaft 701, and the first drum section 702 is connected to the second drum section 703.

Through designing multistage detachable roller section, when certain part of cylinder 7 need be changed, only need with corresponding roller section from the drum shaft 701 dismantle can, the installation and the maintenance of the cylinder 7 of being convenient for are convenient for be used for assembling the cylinder 7 in a flexible way according to actual need, improve the suitability of cylinder 7.

The drum shaft 701 may be an integrated structure.

Preferably, the drum 7 of the present embodiment employs a three-segment combination (i.e. one first drum segment 702 and two second drum segments 703), and an assembled threshing element (thread plate + bar teeth, bar teeth), which is divided into three segments, the first segment being in the form of a threaded bar + bar teeth, and the middle and rear segments being in the form of bar teeth. The front section (namely the first roller section 702) and the middle section (namely the second roller section 703) are mainly used for threshing grains, the variety adaptability of crops is strong, and the combination of the front section and the middle section has strong adaptability to the harvesting time of crops with different maturity and suitable for harvesting; the rear section (i.e. the second roller section 703) is mainly used for effectively separating the cereal and the grass, so that the cereal and the grass are smoothly separated. The threshing and separating functions of the multi-element three-section combination and assembled axial flow roller 7 are effectively enhanced, and meanwhile, the threshing elements can be quickly replaced when different crops are harvested, so that the working efficiency is improved.

The harvester realizes the effective combination of different threshing forms and structures of the roller 7, and improves the threshing and separating efficiency of the roller 7. The device has the advantages of ingenious structure, convenient manufacture, quick disassembly, assembly and replacement, and wide market application prospect.

The drum 7 is divided into three sections, the first section being in the form of rasp bar plus bar teeth, the middle section and the last section being in the form of bar teeth. The front section is connected with a roller shaft 701 through a front amplitude disc welding joint and a middle amplitude disc welding joint (namely a connecting disc 704), threaded rods (namely threaded plates 706) and rod teeth (namely first rod teeth 707) are uniformly distributed in a staggered mode in the circumferential direction of the roller 7, and the number of the threaded rods can be reasonably matched according to the size of the roller 7 and the variety of crops; the rod teeth are arranged on a rod tooth shaft (namely a second connecting rod 709) of the middle-section threaded rod and the rear-section threaded rod at certain intervals, two ends of the middle section are connected with the drum shaft 701 through middle breadth plate welding (namely a connecting disc 704), the rear section is connected with the drum shaft 701 through middle breadth plate welding and rear breadth plate welding (namely the connecting disc 704), the rod teeth are uniformly distributed in the circumferential direction of the drum 7, and the number of the rod teeth can be adjusted as required as the threaded rods. When different crops need to be harvested, the threshing elements (namely the first roller section 702 and the second roller section 703) in different sections (front section, middle section and rear section) can be respectively disassembled and assembled according to needs, compared with the prior harvesting mechanical structure, the threshing elements can be replaced without drawing out the whole roller 7, and the replacement efficiency is improved. A three-stage threshing toothed bar; different crop threshing accessories can be replaced without detaching the roller 7.

Preferably, a plurality of connecting discs 704 are arranged on the roller shaft 701, the connecting discs 704 are arranged in parallel at intervals, the connecting discs 704 are sleeved on the side wall of the roller shaft 701, and the connecting discs 704 are correspondingly arranged at the end parts of the two ends of the first roller section 702 and the two ends of the second roller section 703. And the connecting disc 704 is used for connecting two adjacent roller sections and mounting the roller sections on the roller shaft 701.

Preferably, the first roller section 702 includes: the first connecting rods 705 are parallel to each other and are arranged at intervals around the circumferential direction of the drum shaft 701, and a plurality of thread plates 706 and/or a plurality of first rod teeth 707 are arranged on the first connecting rods 705. The arrangement of the first connecting rods 705 and the threaded plates 706 is used for threshing the grain and grass with different maturity, so that the applicability of the roller 7 is improved, the working efficiency is improved, and the stability and the reliability of the roller 7 are improved.

The first connecting rod 705 can be provided with all the threaded plates 706, all the first rod teeth 707, the first connecting rod 705 with the threaded plates 706 and the first connecting rod 705 with the first rod teeth 707 at intervals, or the first connecting rod 705 is provided with part of the threaded plates 706 and part of the first rod teeth 707, and a user can select the first connecting rod 705 according to actual needs to improve threshing efficiency and optimize threshing effect.

Preferably, a plurality of first rod teeth 707 are spaced apart from each other and radially arranged outward in a radial direction of the drum shaft 701, a screw plate 706 is disposed on the first connecting rod 705, the first connecting rod 705 having the screw plate 706 and the first connecting rod 705 having the first rod teeth 707 are spaced apart from each other, the screw plate 706 has a circular arc plate structure, and a screw thread is disposed on an outer side wall of the screw plate 706. The first rod teeth 707 are provided to thresh the grains, thereby improving the threshing efficiency.

Preferably, a mounting seat 714 is arranged between the thread plate 706 and the first connecting rod 705, the top of the mounting seat 714 is an arc protrusion, and the bottom of the mounting seat 714 is an arc groove.

Preferably, the second roller section 703 includes: the plurality of second connecting rods 708 are spaced from each other and correspondingly arranged between two adjacent connecting discs 704 in a surrounding manner, and the plurality of second connecting rods 708 are arranged in parallel. The provision of a plurality of second links 708 facilitates installation and maintenance of second roller section 703.

Preferably, a plurality of second rod teeth 709 are disposed on a sidewall of the second link 708, and the plurality of second rod teeth 709 are spaced apart from each other and radially disposed outward along a radial direction of the drum shaft 701. The second pole tooth 709 is arranged for further threshing and sorting the grains, and threshing efficiency and threshing precision are improved.

Preferably, the first link 705 and the second link 708 are connected to the connection plate 704 by bolts. The first link 705 and the second link 708 are connected to the connection plate 704 by bolts, which facilitates the installation and maintenance of the links and improves the stability and reliability of the drum 7.

Preferably, anti-winding rings 710 are arranged at two ends of the drum shaft 701, the anti-winding rings 710 are circular plate structures, and the anti-winding rings 710 are sleeved on the drum shaft 701. The anti-winding ring 710 is used for preventing grains from being wound on the connecting rod, improving the working efficiency of the roller 7 and improving the stability and reliability of the roller 7.

Wherein, a plurality of edges can be arranged on the peripheral side wall of the anti-winding ring 710.

Preferably, a feeding unit 711 is disposed at one end of the drum shaft 701, the feeding unit 711 is disposed at one end of the drum shaft 701, and the anti-winding ring 710 is connected to the feeding unit 711. The feeding part 711 is provided to convey grains to the drum 7, thereby improving work efficiency.

Preferably, the feeding part 711 includes: the drum shaft 701 is provided with a feeding cone 712 and a helical blade 713, the feeding cone 712 is sleeved on the drum shaft 701, two ends of the feeding cone 712 are correspondingly connected with the anti-winding ring 710 and the drum shaft 701, and the helical blade 713 is sleeved on the side wall of the feeding cone 712. The provision of the feed cone 712 and the helical blades 713 for carrying the grain to the drum 7 improves the efficiency of the operation.

Example 5

As shown in fig. 9 to 12, on the basis of embodiment 2, the cleaning fan 10 includes a fan volute of a split structure, and a fan shaft 110 and a fan impeller 100 installed in the fan volute, where the fan impeller 100 includes a reel welded joint, fan blades 104 and an impeller support plate 105, the reel welded joint is installed on the fan shaft 110, the fan blades 104 are arranged along the circumferential direction of the fan shaft 110 and supported and fixed on the reel welded joint by the impeller support plate 105, and at least one impeller support plate 105 is disposed between two adjacent fan blades 104.

The number of the fan blades 104 on each fan impeller 100 may be 2, 3, 4, 5, 6, 7, 8, 9, 10, or the like, or may be more than 10, and the specific number may be set as required. The fan blades 104 are arranged in a direction parallel to the fan shaft 110 and the impeller support plate 105 is arranged in a direction perpendicular to said fan shaft 110.

This embodiment utilizes the impeller to support 105 boards and fixes fan blade 104 support on the welding of width of cloth dish, can dismantle fan blade 104 alone from the welding of width of cloth dish through dismantling impeller supporting plate 105 and get off, and then split type fan spiral case structure takes out from the fan spiral case, need not clean the space of fan 10 both sides, can directly take out from the fan spiral case after opening, has eliminated certain limitation that present dismouting fan blade 104 exists.

Preferably, the fan blades 104 are arranged in a direction parallel to the fan axis 110 and the impeller support plate 105 is arranged in a direction perpendicular to said fan axis 110. The fan blades 104 include a linear structure that is effectively adapted to the impeller support plate 105 and the web welded to the connection plate 109, and an arcuate structure that extends outwardly as a blade body.

Preferably, the web disc welded joint comprises a web disc 108 and a plurality of connecting plates 109, the web disc 108 is coaxially fixed on the fan shaft 110, one end of each connecting plate 109 is welded on the web disc 108, and the other end of each connecting plate 109 is radially arranged; the fan blade 104 and the other end of the connecting plate 109 are fixed between the ends of two adjacent impeller support plates 105 by fixing bolts 111. The welded width disc and the connecting plate 109 are adopted, so that the whole structure is simple, the weight is light, and the fan blade 104 and the impeller supporting plate 105 are conveniently connected.

Preferably, the impeller supporting plate 105 includes a supporting section 107 and two connecting sections 106, the two connecting sections 106 are respectively and symmetrically arranged at an angle at two ends of the supporting section 107, and the other ends of the fan blade 104 and the connecting plate 109 are fixed between the connecting sections 106 of two adjacent impeller supporting plates 105 through fixing bolts 111. The support section 107 can be used for effectively supporting two adjacent fan blades 104, and the connecting section 106 which forms an angle with the support section 107 is beneficial to being attached to the corresponding fan blade 104 or the connecting plate 109, so that the structure is more compact and reliable. The angle between the supporting section 107 and the connecting section 106 can be set according to the number of the fan blades 104, so that the connecting section 106 is tightly attached to the connecting plate 109 or the fan blades 104.

Preferably, the cross section of the connecting plate 109 is an L-shaped structure. The connecting plate with the L-shaped structure is convenient for connecting the fan blade 104 and the impeller supporting plate 105, and meanwhile, the connecting structure and the position can be shielded, so that the whole structure is attractive and compact.

Preferably, the fan shaft 110 is provided with at least two fan impellers 100 arranged side by side along the axial direction thereof. The fan impeller 100 structure is a multi-section parallel structure, which facilitates individual removal of each fan blade 104.

Each fan impeller 100 comprises at least two side-by-side arranged disc weldings and at least two groups of impeller supporting plates 105, the fan blades 104 on each fan impeller 100 are correspondingly connected to the at least two side-by-side arranged disc weldings, and each disc weldings is also correspondingly connected with one group of impeller supporting plates 105, so that the stability of the fan blades 104 is facilitated. For example, the connecting plate 109 on each reel seam is correspondingly connected with one impeller supporting plate 105, the two reel seams are respectively installed at the positions of the fan blades 104 close to the two ends, and the two sets of impeller supporting plates 105 are also correspondingly fixed at the positions of the fan blades 104 close to the two ends, so as to stably support the fan blades 104.

Preferably, the blower volute comprises an upper volute 101 and a lower volute 102, and the lower volute 102 is detachably connected to the upper volute 101. Specifically, lower volute 102 is fixed to two sides below upper volute 101 by bolts, and when it is necessary to detach lower volute 102, lower volute 102 can be directly detached from upper volute 101. The lower volute 102 can also be hinged to one side of the upper volute 101 in a rotating shaft manner, and when the fan impeller 100 in the fan volute needs to be detached, the lower volute 101 can be turned downwards to expose the detaching opening, so that the fan impeller 100 can be detached from the detaching opening. The blower volute is formed by assembling an upper volute and a lower volute, the upper volute and the lower volute form a complete involute cavity, the formation and the distribution of wind cannot be influenced, when the cleaning blower 10 is installed on the threshing machine body 6, the lower volute can be detached, so that the blower impeller 100 is detached from the lower part, the maintenance service is convenient, the structure avoids the defect that obstacles are generated when the blower impeller 100 is pulled out from two sides, the whole threshing machine body 6 can be moved downwards, and the gravity center of the whole threshing machine is reduced.

Preferably, air inlets 112 are formed in two ends of the fan volute, an air outlet 113 is formed in the front side of the fan volute, and air quantity adjusting plates 103 are respectively arranged at the air inlets 112 in the two ends of the fan volute, so that the air inlet quantity can be adjusted through the air quantity adjusting plates 103. The air quantity adjusting plate 103 is an arc-shaped plate and is movably assembled at the air inlet 112 of the fan volute through an adjusting bolt 114. Specifically, an adjusting hole 115 may be formed in the air volume adjusting plate 103, and an adjusting bolt 114 passes through the adjusting hole 115 and fixes the air volume adjusting plate 103 to the upper volute 101. The number of the adjusting holes 115 can be 1 or more, and 2 can be selected in the embodiment. The number of the adjustment bolts 114 is selected according to the number of the adjustment holes 115.

The blower volute of the embodiment adopts a split-type structure of the upper volute and the lower volute, so that the lower volute 102 can be detached from the upper volute 101, an operation space is provided for detaching and maintaining the blower impeller 100, and the space at two ends of the blower volute does not need to be occupied. Utilize impeller backup pad 105 to support fan blade 104 and fix on the welding of width of cloth dish, can dismantle fan blade 104 alone from the connecting plate 109 of width of cloth dish welding through dismantling impeller backup pad 105, the rethread split type fan spiral case structure takes out from the fan spiral case, need not clean the space at fan 10 both ends, can directly take out from the fan spiral case after opening, has eliminated certain limitation that present dismouting fan blade 104 exists.

Example 6

On the basis of embodiment 2, traveling system 3 includes two front driving wheels, front driving bridge, two rear wheels and sets up two that both ends are connected respectively with two the transmission of front driving wheel turns to the bridge after between the rear wheel, thresher body 6's front and back both ends are fixed frame respectively and are established front driving bridge with turn to on the bridge after, chopper 11 installs turn to on the bridge after.

The thresher body 6 replaces the chassis to be erected on a front driving bridge and a rear steering bridge, the front driving bridge can also adjust the lifting of the cutting table 1 through a cutting table lifting oil cylinder 324, and the rear steering bridge can support the shredder 11.

Example 7

As shown in fig. 13 to 16, on the basis of embodiment 6, the front drive bridge frame includes a front bridge frame 320 and a transmission case 310, the left and right sides of the transmission case 310 are respectively in transmission connection with a left transmission case and a right transmission case through a left drive half shaft 312 and a right drive half shaft 311, the left and right side ends of the front bridge frame 320 are respectively fixedly connected with the left transmission case and the right transmission case, the transmission case 310 is located at a position forward of the middle of the front bridge frame 320, the middle of the front bridge frame 320 is bent upward to form a bypass structure 321, and the bypass structure 321 is located above the rear end of the transmission case 310. The cleaning fan 10 is located behind the gear box 310 and between the two front driving wheels.

This embodiment arranges gearbox 310 in the position that the center department is more antecedent between two front driving wheels, is located the place ahead of preceding bridge 320, and preceding bridge 320 sets up the structure 321 of dodging that corresponds in addition, dodges leading gearbox 310 and can not influence preceding bridge 320 and thresher body 6's being connected, and such structure can also make cleaning fan 10's position antedisplacement, can set up between two front driving wheels, has saved the space that the fore-and-aft structure arranged, and compact structure accords with miniaturized requirement more.

In this embodiment, the structures of the transmission case 310, the left driving half shaft 312, the right driving half shaft 311, and the left transmission case and the right transmission case are the prior art, the transmission connection is performed through transmission components in the case, such as gears, and the fixed connection between the front axle beam 320 and the left transmission case and the right transmission case refers to the fixed connection with the shell of the corresponding case, such as welding or assembling through connecting structures such as bolts. The left transmission case and the right transmission case are also respectively in transmission connection with the two front driving wheels and used for transmitting power transmitted by the gearbox 310 to the two front driving wheels to enable the harvester to run, and the specific front driving wheel transmission mode is also the prior art and can be achieved by adopting conventional transmission. In the following description, the transmission connection refers to the rotation fit of the transmission part inside the box body, and the fixed connection refers to the welding or assembling fixation of the box body shell.

On the basis of the above technical solution, the gear box 310 is located in front of and below the avoidance structure 321.

Aiming at the front driving bridge frame, the front driving bridge frame can not be simply adjusted by directly adopting the prior art, if the front bridge frame 320 is still the existing structure and is a straight shaft, and the gearbox 310 is directly adjusted to be arranged below the front bridge frame 320 from the rear side, so that the gearbox 310 can not keep enough ground clearance because of the limited space, and when the front driving bridge frame runs and encounters an obstacle or goes up and down a slope, the gearbox 310 can collide with the ground, so that the front driving bridge frame needs to be replaced. On the requirement of ensuring a certain height above ground, the gearbox 310 cannot be arranged right in front of the front bridge beam 320, firstly, a gap bridge behind the header 1 is arranged in front, secondly, the gearbox 310 needs to be correspondingly provided with the hydraulic motor 330, the installation space of the gearbox 310 is too small right in front, and the hydraulic motor 330 cannot be installed. Therefore, in the embodiment, the gearbox 310 is arranged in the front lower part of the avoiding structure 321, the avoiding structure 321 of the front bridge 320 is utilized to raise the ground clearance of the gearbox 310, the collision phenomenon of the gearbox 310 is avoided, the rear end of the gearbox 310 can penetrate through the area below the avoiding structure 321 of the front bridge 320 when the gearbox 310 is installed, and the front position and the rear position are moderate.

On the basis of the technical scheme, the hydraulic transmission device further comprises a hydraulic motor 330, a hydraulic motor mounting seat 313 is fixedly mounted on one side of the rear end of the transmission case 310, the hydraulic motor 330 is fixedly mounted on the hydraulic motor mounting seat 313, and an output shaft of the hydraulic motor 330 is in transmission connection with the transmission case 310.

The gearbox 310 is provided with a proper hydraulic motor 330 to realize hydraulic stepless speed change, the hydraulic motor 330 can be arranged at one side of the rear end of the gearbox 310 and between the two front driving wheels, the avoidance structure 321 of the front axle beam 320 simultaneously avoids the gearbox 310 and the hydraulic motor 330, the structure is more compact, and the space utilization rate is higher.

The hydraulic motor mounting seat 313 is fixed on the shell of the gearbox 310, the shell of the hydraulic motor 330 is fixed on the hydraulic motor mounting seat 313, and the output shaft of the hydraulic motor 330 extends into the gearbox 310 and is in transmission connection with the transmission component in the gearbox 310.

Preferably, the hydraulic motor 330 is located behind and below the avoidance structure 321. The hydraulic motor 330 may also be located below the front of the avoiding structure 321 together with the gearbox 310, or may be located under the avoiding structure 321, but considering the gap bridge at the rear side of the header 1 above the front, it is not suitable to go forward excessively, and the arrangement below the rear is suitable, but it is not too much to go backward, so as to avoid affecting the arrangement of the cleaning fan 10.

On the basis of the technical scheme, the front bridge 320 comprises a left fixing shaft, a right fixing shaft and an avoiding shaft, the left fixing shaft and the right fixing shaft are coaxially arranged at intervals, one end, far away from each other, of the front bridge is fixedly connected with the left transmission case and the right transmission case (namely, the front bridge is welded or assembled with shells of the left transmission case and the right transmission case and is irrelevant to internal transmission), the avoiding shaft is the avoiding structure 321 which is located above the position between the left fixing shaft and the right fixing shaft, and the left end and the right end of the avoiding shaft are fixedly connected with one ends, close to each other, of the left fixing shaft and the right fixing shaft through corresponding connecting pieces.

The front bridge 320 can be designed into a pi-shaped or n-shaped structure, the avoidance shaft is horizontally arranged and is parallel to the left fixing shaft and the right fixing shaft, the connecting pieces are vertically arranged, an avoidance space is formed between the two connecting pieces and below the avoidance shaft, the gearbox 310, the hydraulic motor mounting seat 313 and the hydraulic motor 330 can be reasonably arranged by utilizing the avoidance space, and the front space and the rear space are saved on the basis of not influencing the functions of all parts.

The left fixing shaft, the right fixing shaft, the avoiding shaft and the connecting piece which form the front bridge 320 can be made of round steel or rectangular pipes or channel steel.

In addition, front axle 320 still can be other structures, for example the middle part is the bellied arc structure that makes progress, and two connecting pieces and dodge axle integrated into one piece be a circular arc structure promptly, nevertheless the arc structure is made the difficulty, and the assembly is inconvenient, and the effect is not good, and comparatively preferred scheme still above-mentioned connecting piece is vertical, dodges the horizontally scheme of axle.

On the basis of the above technical scheme, the two sides of the front bridge 320 are respectively and fixedly provided with a fixing seat 322 for fixedly connecting with the threshing machine body 6.

The main function of the front bridge 320 is to fixedly mount the threshing machine body 6 by matching with the rear bridge of the rear rotating bridge frame, and because the avoidance structure 321 is arranged in the middle of the front bridge 320, it is more suitable to arrange the fixing seats 322 on the two sides of the front bridge 320 for the firm fixation of the threshing machine body 6.

In this embodiment, the two sides of the front axle 320 refer to the parts on the two sides of the avoiding structure 321, and refer to the left fixed shaft and the right fixed shaft corresponding to the above specific structural scheme.

Preferably, the fixing base 322 has a specific structure that the lower end is fixedly sleeved on the left fixing shaft or the right fixing shaft, and the upper end is horizontally fixed with the connecting flat plate. Four corners of the thresher body 6 correspond to the fixing seats 322 on the two sides of the front bridge 320 and the fixing seats on the two sides of the rear bridge respectively, and are fixed by welding or assembling through connecting structures such as bolts and the like.

On the basis of the above technical solution, the avoiding structure 321 is fixedly connected with the gear box 310 through the fixing plate 323. For better fixing of the gearbox 310, the gearbox 310 and the front axle beam 320 can be fixed together by a fixing plate 323, so that the components are prevented from being displaced during driving.

Preferably, two fixing plates 323 are provided, one end of each fixing plate is fixedly connected to two sides of the transmission case 310, and the other end of each fixing plate is fixedly connected to the avoiding structure 321.

Preferably, the fixed plate 23 has a structure that the front lower end thereof extends to one side of the casing of the transmission case 310 and is fixedly connected with the side wall of the casing of the transmission case 310, and the rear upper end thereof is fixedly sleeved on the avoiding structure 321.

On the basis of the technical scheme, the cutting platform lifting mechanism further comprises two cutting platform lifting oil cylinders 324, the two cutting platform lifting oil cylinders 324 are respectively located above the left driving half shaft and the right driving half shaft, one end of each cutting platform lifting oil cylinder 324 is respectively connected with the lower ends of the two sides of the front bridge 320 in a rotating mode, and the other end of each cutting platform lifting oil cylinder is used for being connected with a bridge roof on the rear side of the cutting platform 1 in a rotating mode.

The original header lift cylinder 324 extends from an additional structure arranged below the front bridge 320 to the upper part of the header 1 obliquely, and is connected to the header body or the gap bridge bottom plate of the header 1, so that a proper lifting angle is ensured, however, because the gearbox 310 is arranged in the front, the existing header lift cylinder 324 is blocked, because the gearbox 310 and the hydraulic oil cylinder 330 are arranged below the front bridge 320, the rear end connection point of the header lifting oil cylinder 324 cannot be positioned below the front bridge 320 for a certain distance and only can be arranged at the lower end of the front bridge 320 and passes through the positions above the left driving half shaft 312 and the right driving half shaft 311, so that the header lifting oil cylinder is not influenced by the front position of the gearbox 310, however, since the rear end connection point of the header lift cylinder 324 is higher than before, considering the lifting angle, the front end connection point is not suitable to be connected to the table body or the gap bridge bottom plate of the previous header 1, and is better to be connected to the gap bridge top plate.

Example 8

As shown in fig. 19, based on embodiment 7, the output shaft of the hydraulic motor 330 is further in transmission connection with a rear-drive gearbox 331, the rear-drive gearbox 331 is in transmission connection with the rear steering bridge frame through a coupling assembly 332, and two ends of the rear steering bridge frame are respectively connected with two rear wheels.

The embodiment can adopt a four-wheel drive mode besides front wheel drive, and has stronger walking capability.

Example 9

As shown in fig. 17 and 18, in the embodiment 7, the transmission system 2 further includes a first intermediate transmission wheel 203 and a second intermediate transmission wheel 204, and the engine 201 is in transmission connection with the first intermediate transmission wheel 203 through the intermediate main transmission shaft 202; the middle driving wheel I203 is in transmission connection with power equipment below the middle driving wheel I and can transmit power to a grain auger, a residue auger, a sieve box and the like of the threshing and cleaning system 5 below the middle driving wheel I; the first middle driving wheel 203 is also in transmission connection with a second middle driving wheel 204 positioned on the front side of the first middle driving wheel, the second middle driving wheel 204 is in transmission connection with power equipment on the front side of the second middle driving wheel, and power can be transmitted to the header 1, the cleaning fan 10 and the like on the front side by utilizing the second middle driving wheel.

The transmission system 2 of the embodiment has a compact structure, the middle main transmission shaft 202, the middle transmission wheel one 203 and the middle transmission wheel two 204 which are arranged in the way do not need to transmit power downwards, and the middle transmission wheel one 203 and the middle transmission wheel two 204 can be used for dispersing power to the front side and the rear side, so that the transmission structure is close to the machine body, the structure is compact, and the transmission of the whole machine is simple and effective.

In this embodiment, the intermediate transmission wheel one 203 is respectively in transmission connection with a kernel auger transmission wheel 205 and a tailing auger transmission wheel 206 which are located below the intermediate transmission wheel one. The intermediate driving wheel one 203 can be utilized to respectively transmit power to the seed grain auger and the tailing auger.

Preferably, the kernel auger transmission wheel 205 and the tailing auger transmission wheel 206 are respectively positioned at the front side and the rear side below the middle transmission wheel one 203. A chain wheel or a first intermediate wheel can be coaxially arranged on the first intermediate transmission wheel 203, and then the chain wheel or the first intermediate wheel, the grain screw transmission wheel 205 and the tailing screw transmission wheel 206 are sleeved by a belt or a chain to form a power transmission mechanism similar to a triangle, and the chain wheel or the first intermediate wheel transmits power to the grain screw transmission wheel 205 and the tailing screw transmission wheel 206 through the chain or the belt, so that the power transmission is dispersed to the front side and the rear side of the first intermediate transmission wheel 203.

Preferably, the first intermediate driving wheel 203 is further in transmission connection with a sieve box driving wheel 207, and transmits power to the sieve box, and the sieve box driving wheel 207 is located above the rear side of the tailing auger driving wheel 206.

Preferably, a sieve box reversing wheel 208 is connected to a transmission chain between the intermediate transmission wheel one 203 and the creme auger transmission wheel 206, and the sieve box reversing wheel 208 is in transmission connection with the sieve box transmission wheel 207. By means of a transmission chain between the intermediate transmission wheel I203 and the tailing auger transmission wheel 206, the power is transmitted to the sieve box transmission wheel 207 by the sieve box reversing wheel 208, and the whole power transmission process is compact and reliable without adding an additional intermediate transmission wheel.

Preferably, the second intermediate driving wheel 204 is in transmission connection with the header driving wheel 209 on the front side and the fan driving wheel 210 on the lower side, respectively, and transmits power to the header 1 and the cleaning fan 10. The middle driving wheel II 204 can be arranged between the header driving wheel 209 and the middle driving wheel I203, so that the middle driving wheel I203, the middle driving wheel II 204 and the header driving wheel 209 are approximately in the same straight line, power can be effectively transmitted, the middle driving wheel II 204 is used for transmitting power to the fan driving wheel 210 below through belt transmission, and power transmission on the front side is stable and compact.

Preferably, the middle main transmission shaft 203 is also in transmission connection with the front lower side or the rear lower side of the roller transmission wheel 211 and the middle chopper wheel 212 on the rear lower side thresher body 6.

In the present embodiment, as shown in fig. 20 and 21, the roller driving wheel 211 may be positioned in a front or rear position, respectively on the front lower side or rear lower side of the intermediate main driving shaft 203; preferably at the front lower side, so that the power can be distributed to the front and rear sides, and is more balanced.

Wherein, the transmission connection in this embodiment is realized by a belt or a chain. The belt drive or chain drive can be selected as required. For example, the engine 201 is connected with the intermediate main transmission shaft 202 through belt transmission, the intermediate main transmission shaft 202 is connected with the intermediate transmission wheel one 203 through belt transmission, the intermediate transmission wheel one 203 is connected with the intermediate transmission wheel two 204 through chain transmission, and the intermediate transmission wheel one 203 is connected with the grain auger transmission wheel 205 on the grain auger and the tailing auger transmission wheel 206 on the tailing auger through chain transmission. The second intermediate driving wheel 204 is in transmission connection with a header driving wheel 209 on the cutting conveying system through a chain, and the second intermediate driving wheel 204 is in transmission connection with a fan driving wheel 210 on the fan through a belt. Of course, the transmission wheels which are in transmission connection by adopting the chains can also be in transmission by adopting the belts, and the transmission wheels which are in transmission by adopting the belts can also be in transmission by adopting the chains.

Preferably, a tension pulley 213 is connected to the belt or the chain, and the tension pulley 213 may be a pulley or a sprocket to tension the connected belt or chain.

The power transmission process of the transmission system 200 of this embodiment is to transmit power to the middle main transmission shaft 202 through the engine 201, and then the middle main transmission shaft 202 transmits power to the roller transmission wheel 211 from the front to the bottom to drive the roller to operate, and then transmits power to the chopper middle wheel 212 on the thresher body from the back to the bottom to drive the chopper on the thresher body to operate. The middle main transmission shaft 202 further downwards transmits power to the middle transmission wheel I203, primary power distribution is carried out by the middle transmission wheel I203, the middle transmission wheel I203 forwards distributes power to the middle transmission wheel II 204, and the power is downwards transmitted to the grain auger transmission wheel 205 at the front lower part and the tailing auger transmission wheel 206 at the rear lower part, so that the grain auger and the tailing auger are respectively driven to operate. A screen box reversing wheel 207 is further arranged on a transmission chain or a belt between the first intermediate transmission wheel 203 and the tailing auger transmission wheel 206, and the screen box reversing wheel 207 is utilized to drive the screen box transmission wheel 207 to move so as to drive the screen box to operate. The second intermediate driving wheel 204 transmits power forward to the header driving wheel 209 to drive the harvesting conveying system to operate, and transmits the power forward and downward to the fan driving wheel 210 to drive the fan to operate.

In addition, the rear side of engine 201 is installed and is used for supplying the fuel tank 8 of fuel, engine 201 still transmission connection has the gear pump, the rear side of fuel tank 8 or install the hydraulic tank 9 with the gear pump intercommunication between grain tank 4 and the engine 201, the gear pump with hydraulic motor 330 intercommunication. The fuel tank 8 and the hydraulic tank 9 are mounted on the thresher body 6, as are the engine 202 and the grain tank 4, and the front and rear positions thereof are variable for respectively powering the engine 202 and the hydraulic motor 330.

On the basis of the above embodiment, as shown in fig. 22, the grain tank 4 is also provided with a hydraulic lifting rotary grain discharging barrel 401. The grain tank 4 needs to be provided with a grain unloading barrel, preferably, the grain unloading barrel is a hydraulic lifting rotary grain unloading barrel 401, and grain is unloaded at a high position.

On the basis of the above embodiment, the drum 7 is equipped with a gear shifting gearbox or stepless speed regulation transmission.

On the basis of the above embodiments, various harvesting accessories of coarse cereals (corn, soybean, sorghum, rape, millet, quinoa and the like) can be configured for the header 1.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a wheeled cereal combine of axis of ordinates STREAMING, includes header, traveling system, transmission system, threshes cleaning system and grain tank, its characterized in that, thresh cleaning system mount is located traveling system is last, the header erects thresh cleaning system's the place ahead, and with thresh cleaning system intercommunication, the grain tank mount is established thresh cleaning system's top, and with thresh cleaning system intercommunication, transmission system includes engine and middle final drive shaft, the engine mount is established thresh cleaning system's top, and is located the rear of grain tank, middle final drive shaft is located the grain tank with between the engine, the engine through middle final drive shaft with the header with thresh cleaning system transmission is connected.

2. The longitudinal axial flow wheel type grain combine harvester according to claim 1, wherein the threshing and cleaning system comprises a fixed frame arranged on a threshing machine body on the walking system and a roller, a concave plate, a cleaning fan, a screen box, a grain auger and a residue auger arranged on the threshing machine body, the header is communicated with the front side of the roller, the outer side of the roller is sleeved with the concave plate, the rear side of the roller is provided with a grass discharge port, a chopper is arranged at the grass discharge port, the screen box is arranged below the roller, the cleaning fan is arranged at the front end of the screen box, the front side of the bottom of the screen box is communicated with the grain auger, the grain auger is communicated with the grain box, the rear side of the bottom of the screen box is communicated with the residue auger, and the grain auger is communicated with the front side of the roller.

3. The vertical axial flow wheel type grain combine harvester according to claim 2, wherein the thresher body comprises a first frame, a second frame, a third frame and a fourth frame for supporting the roller, the first frame and the second frame are arranged in parallel, two ends of the third frame are correspondingly connected with one end of the first frame and one end of the second frame, the fourth frame is obliquely arranged between the first frame and the second frame, and a plurality of maintenance holes corresponding to the fourth frame are respectively arranged on the first frame and the second frame.

4. The vertical axis flow wheel type grain combine harvester according to claim 2, wherein the roller comprises a roller shaft, at least one first roller section and at least one second roller section, the first roller section and the second roller section are detachably sleeved on the roller shaft, and the first roller section is connected with the second roller section.

5. The vertical axis flow wheel type grain combine harvester according to claim 2, wherein the walking system comprises two front driving wheels, a front driving bridge with two ends respectively connected with the two front driving wheels in a driving manner, two rear wheels and a rear steering bridge arranged between the two rear wheels, the front end and the rear end of the threshing machine body are respectively fixed on the front driving bridge and the rear steering bridge, and the chopper is arranged on the rear steering bridge.

6. The vertical axis flow wheel type grain combine harvester according to claim 5, wherein the front driving bridge comprises a front bridge and a gearbox, the left side and the right side of the gearbox are in transmission connection with a left transmission case and a right transmission case respectively through a left driving half shaft and a right driving half shaft, the left transmission case and the right transmission case are in transmission connection with the two front driving wheels respectively, the left side end and the right side end of the front bridge are fixedly connected with the left transmission case and the right transmission case respectively, the gearbox is located at a position forward of the middle of the front bridge, the middle of the front bridge bends upwards to form an avoidance structure, and the avoidance structure is located above the rear end of the gearbox.

7. A longitudinal axial flow wheel type grain combine harvester according to claim 6, wherein the front driving bridge frame further comprises a hydraulic motor, a hydraulic motor mounting seat is fixedly mounted on one side of the rear end of the gearbox, the hydraulic motor is fixedly mounted on the hydraulic motor mounting seat, an output shaft of the hydraulic motor is in transmission connection with the gearbox, the hydraulic motor is located below the rear of the avoiding structure, and the cleaning fan is located behind the gearbox and between the two front driving wheels.

8. The vertical axial flow wheel type grain combine harvester according to claim 7, wherein the output shaft of the hydraulic motor is further in transmission connection with a rear drive gearbox, the rear drive gearbox is in transmission connection with the rear steering bridge frame through a coupling assembly, and two ends of the rear steering bridge frame are respectively connected with the two rear wheels.

9. A longitudinal axial flow wheel type grain combine harvester according to claim 7, wherein the transmission system further comprises a first intermediate transmission wheel and a second intermediate transmission wheel, the engine is in transmission connection with the intermediate transmission wheel through the intermediate main transmission shaft, the first intermediate transmission wheel is in transmission connection with a grain auger transmission wheel, a trash auger transmission wheel and a sieve box transmission wheel below the first intermediate transmission wheel, the first intermediate transmission wheel is also in transmission connection with the second intermediate transmission wheel on the left side of the first intermediate transmission wheel, the second intermediate transmission wheel is in transmission connection with a header transmission wheel on the front side of the second intermediate transmission wheel and a fan transmission wheel on the lower side of the second intermediate transmission wheel, the intermediate main transmission shaft is also in transmission connection with a roller transmission wheel on the front lower side or the rear lower side of the second intermediate transmission wheel and a chopper intermediate wheel on the rear lower side of the second intermediate transmission wheel, a fuel tank for supplying fuel is installed on the rear side of the engine, and the engine is also in transmission connection with a gear pump, and a hydraulic oil tank communicated with a gear pump is arranged on the rear side of the fuel tank or between the grain tank and the engine, and the gear pump is communicated with the hydraulic motor.

10. The vertical axis flow wheel type grain combine harvester according to any one of claims 1 to 9, wherein the grain tank is further provided with a hydraulic lifting rotary grain unloading cylinder.

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