CN209693506U - A kind of threshing cylinder and harvester - Google Patents

Abstract

The utility model provides a kind of threshing cylinder and harvester, is related to agricultural mechanical field.A kind of threshing cylinder mainly includes disc assembly, ratch component and spike-tooth component.Disc assembly includes the first fixed disk, the second fixed disk and the terminal pad of coaxial arrangement.Terminal pad is between the first fixed disk and the second fixed disk.The diameter of the diameter of first fixed disk, the diameter of terminal pad and the second fixed disk successively increases.Ratch component includes multiple ratch, and multiple ratch are provided at circumferentially spaced around the first fixed disk, the second fixed disk and terminal pad.Spike-tooth component is installed on multiple ratch.When threshing, it is crop entrance at first fixed disk, crop is moved at the second fixed disk along the axis direction of disc assembly, the diameter of the diameter of first fixed disk, the diameter of terminal pad and the second fixed disk successively increases on the moving direction of crop, the entrainment that the grain on crop after crop threshing can be reduced, to reduce entrainment loss.A kind of harvester, including above-mentioned detachment roller.

Description

A kind of threshing cylinder and harvester

Technical field

The utility model relates to agricultural mechanical fields, in particular to a kind of threshing cylinder and harvester.

Background technique

Harvester is the machinery of integration harvesting crops.Harvesting, threshing can be disposably completed, and grain is focused on Then grain is transported on transport vehicle by conveyer belt by repository again.It can also manually gather in, rice, wheat etc. are made The straw of object is laid in field, then carries out pickup threshing with cereal harvesting machinery again.Relied primarily on when threshing threshing cylinder into Row threshing, current threshing still have biggish entrainment loss.

Utility model content

The purpose of this utility model is to provide a kind of threshing cylinders, can reduce entrainment loss.

The another object of the utility model is to provide a kind of harvester, can reduce entrainment damage when grain threshing It loses.

The embodiments of the present invention are achieved in that

A kind of threshing cylinder, comprising:

Disc assembly, disc assembly include the first fixed disk, the second fixed disk and the terminal pad of coaxial arrangement, terminal pad Between the first fixed disk and the second fixed disk, the diameter of the first fixed disk, the diameter of terminal pad and the second fixed disk it is straight Diameter successively increases；

Ratch component, ratch component include multiple ratch, and multiple ratch are around the first fixed disk, the second fixed disk and terminal pad It is provided at circumferentially spaced；

Spike-tooth component, spike-tooth component are installed on multiple ratch.

In some embodiments of the utility model, disc assembly includes multiple terminal pads, along the first fixed disk to second On the direction of fixed disk, the diameter of multiple terminal pads is gradually increased.

In some embodiments of the utility model, the thickness of the thickness of the first fixed disk and the second fixed disk is 8-10 The thickness of millimeter, the thickness of the first fixed disk and the second fixed disk is all larger than the thickness of terminal pad.

In some embodiments of the utility model, the first fixed disk is equipped with first through hole, multiple second through-holes and multiple Third through-hole, multiple second through-holes are provided at circumferentially spaced around first through hole, and multiple third through-holes are set around first through hole is circumferentially-spaced It sets, multiple second through-holes are surround by multiple third through-holes；

Second fixed disk is equipped with fourth hole, multiple fifth holes and multiple 6th through-holes, and multiple fifth holes are around the 4th Through-hole is provided at circumferentially spaced, and multiple 6th through-holes are provided at circumferentially spaced around fourth hole, and multiple fifth holes are led to by multiple six Hole is surround.

In some embodiments of the utility model, multiple ratch are seamless steel pipe.

In some embodiments of the utility model, the diameter of multiple ratch is 4.2-5 millimeters.

In some embodiments of the utility model, each ratch and the first fixed disk are welded, and are also reinforced by first Plate is connected, and each ratch and the second fixed disk are welded, and are also connected by the second stiffening plate.

In some embodiments of the utility model, spike-tooth component includes multiple spike-tooths, is mounted on multiple ratch more A spike-tooth, in the first fixed disk to the direction of the second fixed disk, the length of multiple spike-tooths on each ratch is gradually reduced.

In some embodiments of the utility model, spike-tooth component includes first group of spike-tooth, segregation section spike-tooth and second group Spike-tooth.First group of spike-tooth includes multiple first spike-tooths, and segregation section spike-tooth includes multiple separation spike-tooths, and second group of spike-tooth includes multiple Second spike-tooth.In the first fixed disk to the direction of the second fixed disk, the length of multiple first spike-tooths is gradually reduced, multiple separation The length of spike-tooth is identical, and the length of multiple second spike-tooths is gradually reduced.

A kind of harvester, including any one of the above threshing cylinder.

The utility model embodiment at least have the following advantages that or the utility model has the advantages that

The utility model embodiment provides a kind of threshing cylinder, primarily can be used for the threshing of various grain.It is mainly wrapped Include disc assembly, ratch component and spike-tooth component.Disc assembly include coaxial arrangement the first fixed disk, the second fixed disk and Terminal pad.Terminal pad is between the first fixed disk and the second fixed disk.The diameter of first fixed disk, the diameter of terminal pad and The diameter of two fixed disks successively increases, so that disc assembly is tapered on the whole.Ratch component includes multiple ratch, multiple ratch It is provided at circumferentially spaced around the first fixed disk, the second fixed disk and terminal pad.Spike-tooth component is installed on multiple ratch.When threshing, the It is crop entrance at one fixed disk, when threshing, crop is moved at the second fixed disk along the axis direction of disc assembly, due to the The diameter of the diameter of one fixed disk, the diameter of terminal pad and the second fixed disk successively increases on the moving direction of crop, in turn The entrainment that the grain on crop after crop threshing can be reduced, to reduce entrainment loss.

The utility model embodiment also provides a kind of harvester, including above-mentioned detachment roller.The entrainment loss of the harvester It is smaller, help to improve crop yield.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of threshing cylinder provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the first fixed disk provided by the embodiment of the utility model；

Fig. 3 is the attachment structure schematic diagram of the first fixed disk and ratch provided by the embodiment of the utility model.

Icon: 100- threshing cylinder；110- disc assembly；The first fixed disk of 112-；The second fixed disk of 114-；116- connection Disk；118- first through hole；The second through-hole of 120-；122- third through-hole；124- welding hole；140- ratch component；142- ratch； The first stiffening plate of 144-；170- spike-tooth component；The first spike-tooth of 172-；174- separates spike-tooth；The second spike-tooth of 176-.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that if occur term " on ", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings or the reality With novel product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and simplification retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second ", " third ", " the 4th ", " the 5th ", " 6th " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.

In the description of the utility model embodiment, " multiple " represent at least two.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, if Appearance term " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

Embodiment

Fig. 1 is please referred to, Fig. 1 show the structural schematic diagram of threshing cylinder 100.The present embodiment provides a kind of threshing cylinders 100, it primarily can be used for the threshing of the common cereal such as wheat, rice, corn.

Threshing cylinder 100 mainly includes disc assembly 110, ratch component 140 and spike-tooth component 170.Ratch component 140 weeks To the edge for being installed on disc assembly 110, spike-tooth component 170 is installed on ratch component 140.

Disc assembly 110 includes the first fixed disk 112, the second fixed disk 114 and the terminal pad 116 of coaxial arrangement.Even Disk 116 is connect between the first fixed disk 112 and the second fixed disk 114.The diameter of first fixed disk 112, terminal pad 116 it is straight Diameter and the diameter of the second fixed disk 114 successively increase.As shown in Figure 1, the quantity of terminal pad 116 is 5 in the present embodiment, other According to use demand, harvesting demand etc., the quantity of adjustable terminal pad 116 in embodiment, for example, can be 1,2 or Greater than 5.The change of 116 quantity of terminal pad, the length of ratch component 140 also will do it corresponding adjustment, and ratch component 140 is got over Long, 116 quantity of terminal pad needed is more, to guarantee mechanical stability and threshing of the threshing cylinder 100 in threshing work The transmission effect of threshing material is treated in journey.Due to including multiple terminal pads 116 in disc assembly 110, along the in the present embodiment On the direction of one fixed disk, 112 to the second fixed disk 114, the diameter of multiple terminal pads 116 is gradually increased, and finally makes disc set Taper as shown in Figure 1 is presented in part 110.

Entrainment loss refers to the seed carried secretly in stalk that harvester is discharged after threshing.Certainly, entrainment loss is influenced Factor be various, such as the structural parameters, kinematic parameter and the growing state of crop of machine itself, even weather Also entrainment loss when harvesting is influenced whether.Crop after cutting is sent to the second fixed disk 114 along the first fixed disk 112, i.e., and One fixed disk 112 is that crop feeds end, and the second fixed disk 114 is stalk discharge end, and crop carries out along the axial direction of disc assembly 110 Mobile, the fringe head of crop is constantly curried and is impacted by spike-tooth component 170 in moving process, and seed is taken off.Due to first Disk diameter is gradually increased on the direction of 112 to the second fixed disk 114 of fixed disk, and distribution area of the stalk on its direction of transfer is more next It is bigger, so that the seed carried secretly in stalk more thoroughly drops on concave grate, to reduce the seed carried secretly in stalk, reduce Entrainment loss.

The rotational installation of threshing cylinder 100 is on harvester, for the service life for guaranteeing threshing cylinder 100, the first fixed disk 112 thickness and the thickness of the second fixed disk 114 are handled using thickening, and the two thickness is 8-10 millimeters.And first fixed disk 112 thickness and the thickness of the second fixed disk 114 are all larger than the thickness of terminal pad 116.Since the first fixed disk 112 and second is solid Price fixing 114 is located at the outermost both ends of disc assembly 110, therefore more stringent to the mechanical property requirements of the two, and the two adds Thickness processing can guarantee the stability in use and service life of threshing cylinder 100.

Further, referring to figure 2., Fig. 2 show the structural schematic diagram of the first fixed disk 112.Second fixed disk 114 Structure is identical as the first fixed disk 112, the difference of the two only diametrically, therefore not separately shown second fixed disk in figure 114 structure.

First fixed disk 112 is equipped with first through hole 118, multiple second through-holes 120 and multiple third through-holes 122, Duo Ge Two through-holes 120 are provided at circumferentially spaced around first through hole 118, and multiple third through-holes 122 are provided at circumferentially spaced around first through hole 118. Multiple second through-holes 120 are surround by multiple third through-holes 122.Second fixed disk 114 is equipped with fourth hole (not shown), more A fifth hole (not shown) and multiple 6th through-hole (not shown)s, multiple fifth holes are between fourth hole circumferential direction Every setting, multiple 6th through-holes are provided at circumferentially spaced around fourth hole.Multiple fifth holes are surround by multiple 6th through-holes.First Through-hole 118 and fourth hole coaxial arrangement.Certainly, threshing cylinder 100 is used cooperatively with harvester, in terminal pad 116 It is correspondingly provided with the mounting hole (not shown) coaxial with first through hole 118, fourth hole, to realize threshing cylinder 100 It is rotatablely installed on harvester.The a variety of through-holes opened up in first fixed disk 112 and the second fixed disk 114 can be for threshing cylinder 100 is mating with a variety of models, no replacement is required discs hub, more convenient to use.

It is additionally provided with welding hole 124 in first fixed disk 112,4 welding holes 124 are shown in Fig. 2.4 welding holes 124 around The circumferential uniform intervals setting of first fixed disk 112.Two welding holes 124 are symmetrical arranged up and down in Fig. 2, two welding holes in left and right 124 are symmetrical arranged.Second fixed disk 114 is ibid arranged.The setting of welding hole 124 is to provide for ratch component 140 at two Installation site in fixed disk, the welding stability at both ends determine the job stability of entire threshing cylinder 100, it is therefore desirable to Improve welding stability of the ratch component 140 in two fixed disks.And ratch component 140 and terminal pad 116 be when being welded, The individually indwelling welding hole location in terminal pad 116 can not be needed, ratch component 140 is directly welded on 116 edge of terminal pad .

Referring again to Fig. 1, ratch component 140 include multiple ratch 142 (have 4 in the present embodiment, can in other embodiments To be other quantity, guarantee that threshing cylinder 100 can balance rotation).Multiple ratch 142 are solid around the first fixed disk 112, second Price fixing 114 and terminal pad 116 are provided at circumferentially spaced.142 both ends of ratch extend through two welding holes 124, then by ratch 142 Both ends are respectively welded in the first fixed disk 112 and the second fixed disk 114.The position weldering that ratch 142 and terminal pad 116 contact Ratch 142 is fixed on 116 edge of terminal pad by the mode connect.

Further, referring to figure 3., Fig. 3 show the attachment structure schematic diagram of the first fixed disk 112 and ratch 142.Often A ratch 142 and the first fixed disk 112 are welded, and are also connected by the first stiffening plate 144.Each ratch 142 and second is fixed Disk 114 welds, and is also connected by the second stiffening plate (not shown).It is remote that first stiffening plate 144 is located at the first fixed disk 112 Side from the second fixed disk 114, the second stiffening plate are located at side of second fixed disk 114 far from the first fixed disk 112.This sets Set the connective stability that can enhance ratch 142 Yu fixed disk.

In the present embodiment, ratch 142 uses seamless steel pipe, and the diameter of ratch 142 is 4.2-5 millimeters, can preferably protect The stability of threshing course is demonstrate,proved, the comprehensive mechanical property of ratch 142 is improved.

Referring again to Fig. 1, spike-tooth component 170 is installed on multiple ratch 142.Spike-tooth component 170 includes multiple spike-tooths, more Multiple spike-tooths are mounted on a ratch 142.Along the direction of 112 to the second fixed disk 114 of the first fixed disk, each ratch The length of multiple spike-tooths on 142 is gradually reduced, as shown in Figure 1.Spike-tooth uses the setting, can be further reduced threshing course Entrainment loss.Since spike-tooth is the biggish position of abrasion, the diameter of multiple spike-tooths is 15-18 millimeters, and spike-tooth can be wear-resisting About 3000 hours or so, the service life of threshing cylinder 100 can achieve 5-8.It is, of course, also possible to which further spike-tooth is set It is calculated as being detachably connected with ratch 142, user is facilitated to replace part spike-tooth, improve the utilization rate of spike-tooth, reduce material Waste.

In the present embodiment, multiple spike-tooths on each ratch 142 are divided into the first spike-tooth 172, separation spike-tooth 174 and the Two spike-tooths 176.Multiple first spike-tooths 172 are first group of spike-tooth, and multiple separation spike-tooths 174 are segregation section spike-tooth, multiple second nails Tooth 176 is second group of spike-tooth.Along the direction of 112 to the second fixed disk 114 of the first fixed disk, the length of multiple first spike-tooths 172 Degree is gradually reduced, and the length of multiple separation spike-tooths 174 is identical, and the length of multiple second spike-tooths 176 is gradually reduced.The present embodiment In, there are 4 the first spike-tooths, 172,3 separation 174,6 the second spike-tooths 176 of spike-tooth, in other embodiments on every rooted tooth bar 142 It can adjust accordingly as the case may be.Spike-tooth uses above-mentioned sectional design, can be further reduced entrainment loss.

In addition, on the circumferencial direction of the first fixed disk 112 and the second fixed disk 114, two rooted tooth bars 142 of arbitrary neighborhood On spike-tooth be to shift to install (in Fig. 1 it can be observed that)；Spike-tooth on two rooted tooth bars 142 of any radial symmetric is symmetrically to set It sets and (is observed that in Fig. 1).Under the setting, after threshing cylinder 100 rotates, it is formed by rotational plane and more adds It is whole, be conducive to the efficiency of transmission for improving crop, be also beneficial to reduce the stalk impurity in collected particle.

In the present embodiment, every spike-tooth extends radially through ratch 142, and spike-tooth is fixed using nut, also simultaneously The link position of spike-tooth and ratch 142 is welded, the stability of spike-tooth is substantially increased.

The present embodiment also provides a kind of harvester, including above-mentioned threshing cylinder 100.Other components and tradition of harvester The components used are identical, such as (threshing cylinder 100 is one therein for header device, intermediate conveying device, sheller unit Point), separating cleaning device, collection grain component, chassis, engine, hydraulic device, running gear, self-monitoring device and transmission system Deng.Sheller unit is the important component of harvester, and the size of processing capacity determines the working efficiency of harvester, work The quality for making state directly affects the threshing of harvester, cleans etc. performance indicators again.Threshing part mainly includes major-minor roller, recessed Screen, grass pressing board, feeding chain and threshing chamber cap etc., cleaning part mainly includes main fan, axial-flow fan, vibrating screen tanker etc..

Working principle after in the installation to harvester of threshing cylinder 100 is:

When carrying out harvest operation, grain lifter is firstly inserted into crop, and crop is combed whole help and directly pushes the ceding of Taiwan to, auxiliary helps standing grain to fill It sets auxiliary and dials standing grain, cut by cutter device.After crop cutting, ceding of Taiwan carrier chain is with being conveyed to intermediate conveying dress for crop It sets, the straw of plumbness is gradually changed into prostrate state by centre conveying clamping chain, and clamping is transported to feeding for threshing cylinder 100 Enter end, i.e. position where the first fixed disk 112, straw gives threshing-clamping chain, along the axial by fringe head of threshing cylinder 100 Divide and carries out threshing.During moving axially along threshing cylinder 100, fringe head is constantly curried by spike-tooth and is impacted crop, seed Grain is taken off.The seed taken off is fallen in cleaning plant through notch board sieve pore, is cleaned with shuttle board and fan airstream.Threshing roll The main component of the consumption of engine power of cylinder 100, threshing cylinder 100 provided in this embodiment can mitigate the negative of engine Lotus achievees the purpose that save fuel oil.Entrainment loss is also smaller after threshing, helps to improve crop yield.It is provided in this embodiment 100 army provisions good separating effect of threshing cylinder, mechanical load is light, blocks up the machinery such as machine, choke machine caused by reducing due to crop humidity The working efficiency of harvester complete machine is greatly improved in failure.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of threshing cylinder characterized by comprising

Disc assembly, the disc assembly include the first fixed disk, the second fixed disk and the terminal pad of coaxial arrangement, the company Disk is connect between first fixed disk and second fixed disk, the diameter of first fixed disk, the terminal pad Diameter and the diameter of second fixed disk successively increase；

Ratch component, the ratch component include multiple ratch, and the multiple ratch is consolidated around first fixed disk, described second Price fixing and the terminal pad are provided at circumferentially spaced；

Spike-tooth component, the spike-tooth component are installed on the multiple ratch.

2. threshing cylinder according to claim 1, which is characterized in that the disc assembly includes multiple terminal pads, In first fixed disk to the direction of second fixed disk, the diameter of multiple terminal pads is gradually increased.

3. threshing cylinder according to claim 1, which is characterized in that the thickness of first fixed disk and described second is consolidated The thickness of price fixing is 8-10 millimeters, and the thickness of the thickness of first fixed disk and second fixed disk is all larger than the company Connect the thickness of disk.

4. threshing cylinder according to claim 1, which is characterized in that first fixed disk is equipped with first through hole, multiple Second through-hole and multiple third through-holes, the multiple second through-hole are provided at circumferentially spaced around the first through hole, and the multiple Three through-holes are provided at circumferentially spaced around the first through hole, and the multiple second through-hole is surround by the multiple third through-hole；

Second fixed disk be equipped with fourth hole, multiple fifth holes and multiple 6th through-holes, the multiple fifth hole around The fourth hole is provided at circumferentially spaced, and the multiple 6th through-hole is provided at circumferentially spaced around the fourth hole, the multiple Fifth hole is surround by the multiple 6th through-hole.

5. threshing cylinder according to claim 1, which is characterized in that the multiple ratch is seamless steel pipe.

6. threshing cylinder according to claim 1, which is characterized in that the diameter of the multiple ratch is 4.2-5 millimeters.

7. threshing cylinder according to claim 1, which is characterized in that each ratch and first fixed disk are welded It connects, and is also connected by the first stiffening plate, each ratch and second fixed disk are welded, and also pass through the second stiffening plate It is connected.

8. threshing cylinder according to claim 1-7, which is characterized in that the spike-tooth component includes multiple nails Tooth is mounted on the multiple spike-tooth on the multiple ratch, along first fixed disk to the direction of second fixed disk On, the length of the multiple spike-tooth on each ratch is gradually reduced.

9. threshing cylinder according to claim 1-7, which is characterized in that the spike-tooth component includes first group of nail Tooth, segregation section spike-tooth and second group of spike-tooth, first group of spike-tooth include multiple first spike-tooths, and the segregation section spike-tooth includes more A separation spike-tooth, second group of spike-tooth include multiple second spike-tooths, along first fixed disk to second fixed disk On direction, the length of the multiple first spike-tooth is gradually reduced, and the length of the multiple separation spike-tooth is identical, and the multiple second The length of spike-tooth is gradually reduced.

10. a kind of harvester, which is characterized in that including such as described in any item threshing cylinders of claim 1-9.