CN106818074A

CN106818074A - A kind of electronic unloading formula binary silo

Info

Publication number: CN106818074A
Application number: CN201611059325.2A
Authority: CN
Inventors: 钱才英
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-27
Filing date: 2016-11-27
Publication date: 2017-06-13

Abstract

The invention discloses a kind of electronic unloading formula binary silo, including binary warehouse and the discharge mechanism being arranged on below binary warehouse；Binary warehouse has the first warehouse and the second warehouse being arranged side by side；A ventilation heat exchange system is equipped with first warehouse and the second warehouse；Discharge mechanism includes the first auger, the second auger and drive device；First auger includes the first driven gear, and the second auger includes the second driven gear；Drive device includes being provided with motor, driving wheel group and the linked switching device of driving wheel；Driving wheel group includes power transmission shaft and the driving pulley and travelling gear that are fixedly installed on power transmission shaft；Linked switching device includes support body, the first linkage gear component, the second linkage gear component, reverse linkage unit and switching-driving device；During switching-driving device drives the first linkage gear component to move back and forth, the second linkage gear component synchronization is driven to move back and forth by linkage board.Structure of the present invention more compact and reasonable.

Description

A kind of electronic unloading formula binary silo

Technical field

The invention belongs to electronic unloading formula binary barn structure design field, and in particular to a kind of electronic unloading formula is double Body silo.

Background technology

Food problem is one of current pressing issues highly visible, and China every year will as the first in the world populous nation Substantial amounts of grain is consumed, there is grain country to stablize healthily developing industry, national defence, service trade, science and culture cause etc.. Food problem is not only economy and livelihood issues, is also development and safety problem.With the fast development of pollution-free food and people The continuous improvement of living standard, grain green storage technology has obtained significant progress in China.In " Chinese stored grain ecological system Under the guidance of theoretical system ", just there is deep change in the foodstuff preservation theory of China, View of Grain Storage Technoiogy is by tradition Grain storage technology develops to green grain storage technology, is developed from extensive warehousing management to the warehousing management that becomes more meticulous.

Silo traditional at present, mostly using monolithic design, can only simultaneously store a kind of grain, unitary function.Also there is portion Divide silo to use catamaran design, but but use two sets of single each grain self-dischargings of discharge mechanism, cause occupation of land larger, it is relatively costly Shortcoming.Additionally, traditional silo, exchanged heat cooling using top layer more than its ventilating system, it is difficult when relatively deep, area is wider for storing Fast cooling cooling is carried out with to internal layer storing.

The content of the invention

Taken up room it is an object of the invention to provide one kind smaller, cost is relatively low, can carry out fast prompt drop to internal layer grain storage The electronic unloading formula binary silo of temperature.

Realizing the technical scheme of the object of the invention is：A kind of electronic unloading formula binary silo, including binary warehouse and setting Discharge mechanism below binary warehouse；Binary warehouse has the first warehouse and the second warehouse being arranged side by side；First warehouse and A ventilation heat exchange system is equipped with second warehouse；Ventilation heat exchange system includes air exhauster, induced-draught fan and ventilation shaft；Ventilation Pipeline includes outer ring airduct, inner ring airduct and for connecting and supports the support bar of body；Inner ring airduct is located at outer ring airduct institute In confining space；One end of ventilation shaft is connected with air exhauster, and the other end is connected with induced-draught fan；Discharge mechanism is included for unloading the First auger of one granary, for unload the second granary the second auger and for drive the first auger and second The drive device that auger is rotated；First auger includes the first driven gear, and the second auger includes the second driven gear；Drive device Motor, driving wheel group and linked switching device including being provided with driving wheel；Driving wheel group includes that power transmission shaft and fixation set Put driving pulley and travelling gear on power transmission shaft；Linked switching device includes support body, for travelling gear and the of linking First linkage gear component of one driven gear, for the second linkage gear group of link travelling gear and the second driven gear Part, for the reverse linkage unit of link the first linkage gear component and the second linkage gear component reverse movement, and is used for Drive the switching-driving device of the first linkage gear component alternating translational；First linkage gear component include the first linkage gear, Connector positioned at the first axostylus axostyle of the first linkage gear centre bore and for driving the first linkage gear；Second linkage gear group Part includes the second linkage gear；Second linkage gear component includes the second linkage gear, through the second linkage gear centre bore Second axostylus axostyle；Support body is provided with guide plate, and guide plate is provided with pilot hole and linkage axis hole；Reverse linkage unit includes linkage Plate, one end of linkage board is connected with the first linkage gear component, and the other end of linkage board and the second linkage gear component are connected, connection The middle-end of dynamic plate is provided with and links the linkage bearing pin of axis hole adaptation.

The present invention has following positive technique effect：（1）Due to the inner ring airduct with the deep enough internal layer grain storage of energy and outward Circle airduct, effectively can be aerated cooling to internal layer grain storage, quick cooling.（2）The more compact simplification of structure of the present invention, structure Relatively reasonable, two augers are only driven with same motor, are compared with traditional product, save a motor, effectively Reduces cost.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the invention；

Fig. 2 is a kind of dimensional structure diagram of discharge mechanism in silo shown in Fig. 1；

Fig. 3 be discharge mechanism shown in Fig. 2 from another angle observe when a kind of dimensional structure diagram；

Fig. 4 is a kind of structural representation of the transmission of discharge mechanism middle gear shown in Fig. 2；

Fig. 5 is a kind of explosive view of discharge mechanism shown in Fig. 2；

Fig. 6 is a kind of dimensional structure diagram of linked switching device in discharge mechanism shown in Fig. 2；

Fig. 7 be linked switching device shown in Fig. 6 from another angle observe when a kind of dimensional structure diagram；

Fig. 8 is a kind of explosive view of linked switching device shown in Fig. 6；

Fig. 9 be linked switching device shown in Fig. 6 from another angle observe when a kind of explosive view；

Figure 10 is a kind of side view of linked switching device shown in Fig. 6；

Figure 11 is the line A-A sectional view of linked switching device shown in Figure 10；

Figure 12 is a kind of half-sectional structural representation of the second linkage gear component in discharge mechanism shown in Fig. 2；

Figure 13 is a kind of dimensional structure diagram of ventilation heat exchange system in silo shown in Fig. 1；

Figure 14 is a kind of dimensional structure diagram that body is in charge of at the middle part of ventilation heat exchange system shown in Figure 13；

Figure 15 is a kind of dimensional structure diagram of information acquiring instrument in silo shown in Fig. 1；

Figure 16 is a kind of top view of information acquiring instrument shown in Figure 15；

Figure 17 is a kind of explosive view of information acquiring instrument shown in Figure 15；

Figure 18 is a kind of explosive view that information acquiring instrument shown in Figure 15 is further decomposed；

Figure 19 is a kind of sectional view of information acquiring instrument shown in Figure 15；

Figure 20 is a kind of sectional view of barrel shell in information acquiring instrument shown in Figure 15；

Figure 21 is a kind of sectional view of traveling rolling pipe in information acquiring instrument shown in Figure 15.

Specific embodiment

（Embodiment 1）

Fig. 1 to Figure 21 shows a kind of specific embodiment of the invention.

The present embodiment is a kind of electronic unloading formula binary silo, as shown in Fig. 1 to Figure 12, including binary warehouse 1 and setting Discharge mechanism 2 below binary warehouse.

Binary warehouse 1 has the first warehouse 11 and the second warehouse 12 being arranged side by side, and the bottom in the first warehouse is tapered, its There is the first discharging opening at bottom centre；The bottom in the second warehouse is also tapered, has the second discharging opening at its bottom centre.This In embodiment, the bottom in binary warehouse is provided with four daggers 13, and binary warehouse is stood on the ground by four daggers.In tool In body practice, also shouldn't dagger, but binary warehouse is directly anchored on wall or on carrier, such as by the present embodiment For united reaper.

Discharge mechanism 2 includes the interior casing 21 for setting the first unloading passage and the second unloading passage, is arranged on the first unloading and leads to The first auger 24 in road, is arranged on the second auger 25 in the second unloading passage, and for driving the first auger and second The drive device 3 that auger is rotated.

The top of casing is provided with the first grain-entering mouth 211 and the second grain-entering mouth 212, the bottom of casing be provided with the first grain outlet and Second grain outlet；First grain-entering mouth as the first unloading passage import, the first grain outlet as the first unloading passage outlet. Second grain-entering mouth as the second unloading passage import, the second grain outlet as the second unloading passage outlet.In the present embodiment, First grain outlet and the second grain outlet are connected by Y tube 215, so that the outlet for sharing Y tube bottom goes out as same terminal Grain mouthful 216.In concrete practice, Y tube can not be also used, but each individually go out using the first grain outlet and the second grain outlet Grain.

In the present embodiment, capping is provided with the first crop inlet pipe and the second crop inlet pipe protruding upward, the first crop inlet pipe Used as the first grain-entering mouth, the import of the second crop inlet pipe is used as the second grain-entering mouth for import.

First auger 24 includes the first rotating shaft 241 being rotatably arranged on casing and be fixedly installed in first rotating shaft the One spiral plate 242, the first spiral plate is located in the first unloading passage；Second auger includes second turn be rotatably arranged on casing Axle 251 and the secondary spiral lamina 252 being fixedly installed in the second rotating shaft, secondary spiral lamina are located in the second unloading passage.

In the present embodiment, casing is formed by base 217 and the combination of capping 218, and dividing plate 219 is provided with base, and dividing plate is the bottom of Seat inner space is separated into two big cavitys of grade；First rotating shaft and the setting of the second shaft parallel, the first spiral plate and the second spiral shell Rotating plate is respectively disposed in a corresponding cavity, and the hand of spiral of the first spiral plate and the hand of spiral of secondary spiral lamina are opposite.

Casing outside, and the end of first rotating shaft 241 stretched out on the outside of casing are stretched out in one end of the first rotating shaft 241 of the first auger End is fixed with the first driven gear 243；Casing outside is stretched out in one end of second rotating shaft 251 of the second auger, and stretches out casing The end of second rotating shaft 251 in outside is fixed with the second driven gear 253.

First auger and the second auger elapse respective cavity by rotating push mode in grain.

Drive device 3 includes being provided with motor 31, driving wheel group 32 and the linked switching device 4 of driving wheel 311.

Driving wheel group 32 includes that opposite case rotates the power transmission shaft 321 for setting and the transmission being fixedly installed on power transmission shaft Belt pulley 322 and travelling gear 323；Power transmission shaft is located at the middle of first driven gear and the second driven gear, drives Motor is fixedly installed with respect to ground, and driving wheel is located at the underface of driving pulley, and driving wheel drives transmission skin by belt 312 Belt wheel.Leave gap between travelling gear and the first driven gear and the second driven gear, namely travelling gear is not direct Drive the first driven gear or the second driven gear；First driven gear and the second driven gear are in center pair relative to power transmission shaft Claim to set.

Linked switching device 4 includes support body 41, for the first linkage gear of link travelling gear and the first driven gear Component 44, for the second linkage gear component 45 of link travelling gear and the second driven gear, for the first linkage tooth that links The reverse linkage unit of wheel assembly and the second linkage gear component reverse movement, and for driving the first linkage gear component past The switching-driving device 49 of multiple translation；Reverse linkage unit causes the first linkage unit and the second linkage unit only one of which simultaneously Linkage effect can be played, namely when the first linkage gear component is moved to the station of engaged transmission gear and the first driven gear When, the second linkage gear component is removed from the station of engaged transmission gear and the second driven gear.

Drive axis are arranged on support body 41, and travelling gear is located at the inner side of driving pulley, namely positioned at transmission skin Belt wheel is close to the side of casing；In concrete practice, the relative position of travelling gear and driving pulley can be change, phase The position of the adjustment motor answered.

First linkage gear component 44 includes the first linkage gear 441, the first axle through the first linkage gear centre bore Bar 442, two first bearing seats 443 positioned at the first linkage gear both sides, the clutch shaft bearing 444 being arranged in first bearing seat And it is fixedly installed on the connector 445 in two first bearing seats；Two first bearing seats are fixedly installed on support body 41, even Fitting and at least one first bearing seat are fixedly connected.

Second linkage gear component 45 includes the second linkage gear 451, the second axle through the second linkage gear centre bore Bar 452, two second bearing seats 453 positioned at the second linkage gear both sides and the second bearing being arranged in second bearing seat 454；Two second bearing seats are fixedly installed on support body 41.

Reverse linkage unit includes outer linkage board 46 and interior linkage board 47, is equipped with outer linkage board 46 and interior linkage board 47 One cylindric linkage bearing pin 48 of protrusion；Each linkage bearing pin is rotatably arranged in corresponding linkage axis hole 414 so that outreached Dynamic plate and interior linkage board are around respective linkage bearing pin reciprocating rotation.One end of outer linkage board and interior linkage board is fixedly installed on first On linkage gear, the other end is fixedly installed on the second linkage gear, so that the first linkage gear and the first linkage gear Synchronizing moving.

In the present embodiment, outer guide plate 411 and interior guide plate 412 that support body is fixedly installed including opposite case；Outer guiding Pilot hole 413 and linkage axis hole 414 are equipped with plate and interior guide plate, outer guide plate and interior guide plate set along plumb line direction Put, each pilot hole is the waist-shaped hole extended along vertical, each linkage axis hole is circular hole；The two ends of the first axostylus axostyle are each located on one In individual pilot hole, the first linkage gear component can integrally be moved back and forth under the position-limiting action of pilot hole along pilot hole.First When moving gear component is moved back and forth, the second linkage gear component is synchronously driven to move back and forth by outer linkage board and interior linkage board.

In the present embodiment, outer linkage board and interior linkage board are symmetricly set on the first linkage gear component and the second linkage gear The both sides of component.

In the present embodiment, outer linkage board and interior linkage board are folded in two outsides of first bearing seat, by screw assembly It is fixedly connected with a corresponding first bearing seat.

Support body is fixed on cabinet exterior；In the present embodiment, interior guide plate is fixedly installed outside the enclosure by bolt assembly On wall, so as to realize whole support body to be fixed on cabinet exterior.

First linkage gear, the second linkage gear, outer linkage board, interior linkage board be respectively positioned on outer guide plate and interior guide plate it Between.

Switching-driving device 49 includes drive screw 491 and the manual shaking wheel 492 for driving drive screw turns, linkage The support body of switching device is provided with the screw being adapted to drive screw, and one end of drive screw and connector are rotatedly connected, and drives The other end of screw rod is fixed with the manual shaking wheel；When manual shaking wheel is rotated, drive screw is driven in the screw of the support body Middle rotation, and then drive the first linkage gear component to be moved along pilot hole by connector；First linkage gear component is by outer Linkage board and interior linkage board synchronously drive the movement of the second linkage gear component.The present embodiment uses manual switching mode.This In embodiment, connector is provided with positioning slide opening 4451, and the upper end of drive screw can rotate in the slide opening.

Two groups of double nut components 493 are additionally provided with drive screw as locating part, two groups of double nut components are located at With the both sides of the screw of drive screw adaptation on support body；For example, being supported when drive screw is rotated forward to one group of double nut component It is connected on when on support body, the first linkage gear is placed exactly in the operating position of engagement the first driven gear of linkage and travelling gear, when Drive screw rotates backward to another and double nut component is connected to when on support body, and the second linkage gear is placed exactly in engagement connection The operating position of dynamic second driven gear and travelling gear.

In concrete practice, the switching-driving device 49 can also use following structure：Manual shaking wheel is no longer used, but Belt wheel is set in drive screw 491, is provided for driving the switching motor of the belt wheel reciprocating rotation on support body, pass through The reciprocating rotation for switching motor drives drive screw reciprocating rotation；This structure causes that the present embodiment has electronic switching work( Energy.

As described in Fig. 1, a ventilation heat exchange system 7 is equipped with the first warehouse and the second warehouse.

As shown in Figure 13 and Figure 14, each ventilation heat exchange system 7 includes air exhauster 71, induced-draught fan 72 and ventilation shaft 73；It is logical Wind pipeline includes outer ring airduct 731, inner ring airduct 732 and for connecting and supports the support bar 733 of body；Inner ring airduct is located at In the airduct enclosed space of outer ring.One end of ventilation shaft is connected with air exhauster, and the other end is connected with induced-draught fan；By this suction one The air supply mode taken out, may be such that the wind-force of whole ventilation shaft obtains more quickly circulation, so that improving heat exchanging efficiency.

In the present embodiment, the top of inner ring airduct connects with the top of outer ring airduct, the opening of inner ring BOD and suction Blower fan is connected, and the opening of outer ring BOD is connected with air exhauster.

In the present embodiment, each support bar is fixedly linked by welding manner and ventilation shaft body.

In the present embodiment, multiple array mesh 74 through body, array net are additionally provided with the body of ventilation shaft Hole is generally distributed on the body of outer ring airduct and inner ring airduct；This structure causes that ventilation shaft can not only realize hot friendship Change, the gas in the body of part can be also discharged into storing by array mesh, greatly reduce temperature fall time, lifting cooling Efficiency.Meanwhile, if being activity suppression gas, such as carbon dioxide or nitrogen to what is be passed through in ventilation shaft, or add The gas of certain drug ingedient, also targetedly can carry out disease prevention and cure and kill insect pest to storing.

As shown in Figure 1, it is equipped with least one information acquiring instrument 6 in the first warehouse and the second warehouse.

As shown in Figure 15 to Figure 21, each information acquiring instrument 6 include barrel shell 61, be rotatably arranged in barrel shell master gear 62, Be rotatably arranged on barrel shell four rolling pipes 63 of advancing, be fixedly installed on each pinion 64 advanced in rolling pipe outer wall, for band The driving motor 65 that dynamic master gear is rotated；Four pinions are uniformly arranged on master gear outer circumferential side, setting in a center of symmetry；Main tooth When wheel is rotated, each pinion synchronous axial system is driven.

In the present embodiment, the periphery wall of master gear is provided with driving cog 621, and internal perisporium is provided with driven tooth 622；The dynamic electricity of original The quantity of machine 65 is two, and each driving motor is provided with the output gear 651 with output gear；The driven tooth of output gear and master gear Engagement adaptation；Driving cog and pinion the engagement adaptation of master gear.

Spiral power plate 631 is fixed with the lumen wall of traveling rolling pipe, spiral power plate is with rolling pipe turn of advancing When dynamic, the material stirred in rolling pipe of advancing by spiral is obtained thrust and moves ahead or retreat.In the present embodiment, spiral power plate Center enclose to form a circular material path 639, when rolling pipe of advancing is advanced, grain storage is mainly from the circular material path and spiral Released backward in the gap between screw of power plate, this structure can in time to advance rolling pipe in feed smoothly to advance, in addition by In the presence of the circular material path, to the larger mobile space of grain storage in rolling pipe of advancing, prevent grain storage because overcrowding by spiral shell Rotation power plate is blended.

Barrel shell 61 includes the secondary cylinders 612 of main cylinder 611 and four, four secondary cylinders around main cylinder central axis into center It is symmetrical arranged；The central axis of main cylinder is also the center of rotation axis of the master gear, the center of rotation axis of each secondary cylinder Center of rotation axis with master gear is parallel.

Each two ends for advancing rolling pipe are equipped with the Taper Pipe portion 632 of reduced diameter as drag reduction portion, are advanced for reducing Resistance.

The two ends of barrel shell are respectively fixed with a coniform antidrag cap 66, and each antidrag cap is provided with a temperature sensor 67 With a humidity sensor 68, the induction end of each temperature sensor and humidity sensor is exposed independent from antidrag cap.

The first rolling bearing 633 and the second rolling bearing 634 are arranged with the outer wall of each rolling pipe of advancing, each rolling pipe of advancing Outer wall is provided with first step wall 635 and second step wall 636；

One side of barrel shell is provided with four clutch shaft bearing storage tanks 613, and four clutch shaft bearing storage tanks are located at the barrel shell end On inwall；Each first rolling bearing is embedded in a corresponding clutch shaft bearing storage tank, and the inner ring of each first rolling bearing is arranged It is fixed on corresponding one one end for rolling pipe of advancing, and the first step wall for rolling pipe of advancing is along the central axial direction pressure of the rolling pipe It is connected on the inner ring of corresponding first rolling bearing；

Another side of barrel shell is provided with four second bearing storage tanks 614, and four second bearing storage tanks are located at and expose to cylinder The shell end；Each rolling pipe of advancing is provided with male threaded joint 637；One internal thread crimp being screwed onto on male threaded joint 638, it is crimped on the outer ring of a corresponding second bearing, and the central axial direction of pipe is rolled the second bearing along the traveling Inner ring is crimped on the second step wall of traveling rolling pipe；The internal thread crimp blocks a corresponding second bearing simultaneously to be held Put the opening of groove.

Installing plate 615 is fixed with barrel shell, master gear is rotatably arranged on installing plate, the motor body of each driving motor Also it is fixedly installed on the installing plate.

Information acquiring instrument in the present embodiment is powered by built-in power to driving motor when in use, driving motor band Dynamic master gear is rotated, and then synchronously drives four traveling rolling pipes to rotate by each pinion, so as to be stored up by promotion in silo Grain and advance or retreat.

Because each antidrag cap is provided with temperature sensor and humidity sensor, the information acquiring instrument in the present embodiment is being advanced In, the temperature and humidity of drill-through grain layer can be given, so as to obtain the physical message of the grain storage of different depth, and can be by interior The radio-cell being placed in antidrag cap or barrel shell is transferred to user.

In concrete practice, it is also possible to powered to the information acquiring instrument in the present embodiment by cable and transmit data, have Body is after cable is passed through a tip for antidrag cap, to be connected with the wiring board in antidrag cap or barrel shell.

The present embodiment can also be set with lamplit camera, each coniform antidrag cap in each coniform antidrag cap Be made of transparent material so that camera can photograph the in good time state of grain storage, for example observe go mouldy, insect bite etc. Bad phenomenon, prevents and treats it in time.

Due to adding information acquiring instrument, and with locomotivity, can be to the storage of different depth diverse location in warehouse The information of grain is acquired, to obtain in good time intuitively data.

The course of work of the present embodiment is as follows：Grain storage in first warehouse enters the first unloading passage through the first grain-entering mouth In, the grain storage in cavity where itself is elapsed to the first grain outlet when the first auger rotates；Grain storage in second warehouse is through Two grain-entering mouths enter in the second unloading passage, the grain storage in cavity where itself is elapsed to second when the second auger rotates is put out cereal Mouthful；The present embodiment connects the first grain outlet and the second grain outlet as a result of Y-shaped pipeline, therefore is finally going out from Y-piece road Mouth is put out cereal.

Linked switching device is then used for linking the first linkage gear and the second linkage gear, only when the first linkage gear or When second linkage gear is moved into place, motor could drive the first driven gear or the second driven tooth by driving wheel group Wheel so that the first auger or the second auger are rotated, completes unloading operation.

In the present embodiment, when rotating forward manual shaking wheel, drive screw turns are moved towards close to the direction of travelling gear, And then the first linkage gear component and the movement of the second linkage gear component are driven, until the first linkage gear and travelling gear and the One driven gear engages linkage simultaneously, and now the second linkage gear is away from travelling gear；During counter rotation manual rolled round, spiral shell is driven Bar rotates the direction movement away from travelling gear, and then drives the first linkage gear component and the second linkage gear component to move It is dynamic, until the second linkage gear and travelling gear and the second driven gear engage linkage simultaneously, now the first linkage gear away from Travelling gear.

The present embodiment has advantages below：（1）Linked switching device it is relatively reasonable in structure, two augers only use same drive Dynamic motor drives, and is compared with traditional product, saves a motor, also reduces entirety and takes up room, and is conducive to small-sized Change, especially meet carrier and install and use demand.

Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And these Belong to obvious change that connotation of the invention extends out or variation still falls within protection scope of the present invention.

Claims

1. a kind of electronic unloading formula binary silo, including binary warehouse and the discharge mechanism being arranged on below binary warehouse；Binary Warehouse has the first warehouse and the second warehouse being arranged side by side；It is characterized in that：One is equipped with first warehouse and the second warehouse Individual ventilation heat exchange system；Ventilation heat exchange system includes air exhauster, induced-draught fan and ventilation shaft；Ventilation shaft include outer ring airduct, Inner ring airduct and for connecting and support the support bar of body；Inner ring airduct is located in the airduct enclosed space of outer ring；Ventilation shaft One end be connected with air exhauster, the other end is connected with induced-draught fan；Discharge mechanism includes first for the first granary of unloading Auger, the second auger for unloading the second granary and the driving dress for driving the first auger and the second auger to rotate Put；First auger includes the first driven gear, and the second auger includes the second driven gear；Drive device includes being provided with driving wheel Motor, driving wheel group and linked switching device；Driving wheel group includes power transmission shaft and the biography being fixedly installed on power transmission shaft Dynamic belt pulley and travelling gear；Linked switching device includes support body, for linking the first of travelling gear and the first driven gear Linkage gear component, for the second linkage gear component of link travelling gear and the second driven gear, for linking first The reverse linkage unit of moving gear component and the second linkage gear component reverse movement, and for driving the first linkage gear group The switching-driving device of part alternating translational；First linkage gear component is including the first linkage gear, in the first linkage gear First axostylus axostyle in heart hole and the connector for driving the first linkage gear；Second linkage gear component includes the second linkage tooth Wheel；Second linkage gear component includes the second linkage gear, the second axostylus axostyle through the second linkage gear centre bore；Set on support body There is guide plate, guide plate is provided with pilot hole and linkage axis hole；Reverse linkage unit includes linkage board, one end of linkage board and the One linkage gear component is connected, and the other end of linkage board and the second linkage gear component are connected, and the middle-end of linkage board is provided with and joins The linkage bearing pin of shaft hole adaptation.