CN201286237Y

CN201286237Y - Multifunctional planter

Info

Publication number: CN201286237Y
Application number: CNU2008200774854U
Authority: CN
Inventors: 李向明
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-07
Filing date: 2008-06-07
Publication date: 2009-08-12
Anticipated expiration: 2018-06-07

Abstract

The utility model belongs to the technical field of agricultural machinery sowing machines, and particularly provides a multifunctional sowing machine with an entirely different technical conception and capable of integrating functions of sowing, fertilization and water injection. The multifunctional sowing machine comprises a stander, a seeding mechanism, a fertilizing mechanism, a water injecting mechanism, a sowing mechanism and a soil-covering closing mechanism. A stirring mechanism is arranged in a fertilizer can of the fertilizing mechanism which comprises a chemical manure blanking mechanism and a farmyard manure blanking mechanism arranged in parallel; a trident hopper is arranged at the upper part of a sowing pipe, and three inlets on the trident hopper are connected with a seeding unit of the seeding mechanism and fertilizer feeders of the chemical manure blanking mechanism and the farmyard manure blanking mechanism respectively; and a water feed pipe is arranged on the rear side of the sowing pipe and is connected with a water injector. The utility model provides the multifunctional sowing machine with the entirely different technical conception, which greatly improves the agricultural production quality and the labor efficiency, and lightens the labor intensity for farmers, so that large quantities of farmers are liberated from the cultivation durance of the traditional agriculture.

Description

Multifunctional seed drill

Technical field

The utility model belongs to the technical field of agricultural mechanical seeders, is specifically related to that a kind of to collect sowing, fertilising, water-filling function be the multifunctional seed drill of one.

Background technology

As everyone knows, 500,000,000 peasants are being brought up in the mountain area, hills of China, and its soil accounts for 2/3rds of the national soil gross area.But the overwhelming majority that present China is sold in agricultural machinery market is plain edition agricultural machinery or Plain agricultural machinery, lacks real special machinery at hills mountain region farming farming.

Chinese patent CN98221255.0 discloses a kind of drought resisting fertilizing sower, the bogie wheel that takes up mechanism is equipped with in the front portion of its frame, road wheel is equipped with in the both sides at frame rear portion, on the frame between two road wheels water tank is housed, discharging the seed-box and the fertilizer can that have the infundibulate outlet on the frame in water tank the place ahead, plough is contained under the frame of seed-box and fertilizer can below, plough is suitable for reading to join with inoculation dish and fertilizer-containing disk, the water-supply-pipe that leads to water tank is equipped with in the side of plough, be provided with covering device in addition and separate operating mechanism, seed and fertilizer-expelling unit is equipped with in exit at seed-box and fertilizer can, the seeding inlet on its top links to each other with the outlet of seed-box and fertilizer can respectively with the fertilizer inlet, the seeding outlet and the defertilizing outlet of its underpart lead to inoculation dish and fertilizer-containing disk respectively, in the seed and fertilizer-expelling unit housing, leave kind of subchannel and fertilizer passage on the reciprocating core body, tranverse connecting rod is passed through in the rear end of core body, vertical connecting rod and fork join at the middle part, to the water-supply-pipe of plough, injector is housed at water tank, the injector housing is connected with frame, injector pull bar and fork are in lower hinge, the upper end of fork is hinged on the top of frame, at the opposite side of fork, shape is walked the driving wheel that is provided with radial protrusion on the wheel shaft, the back-moving spring and the fork that are connected on the frame are formed reciprocally swinging mechanism jointly.

Summary of the invention

It is the multifunctional seed drill of one that the utility model provides the diverse collection sowing of a kind of technical conceive, fertilising, water-filling function, be mainly used in the north and mountain rural area dry land collection in spring beat ridge, sowing, go up water, to fertilize and farmyard manure be the Multifunction sower of one.

The utility model adopts following technical scheme to realize: multifunctional seed drill, comprise frame, the wheel that the frame bilateral symmetry is provided with, the mechanism of sowing of upper rack, following fertile mechanism, water injecting mechanism, the grave mound of the sowing mechanism of frame lower, sowing mechanism rear side closes up mechanism, and the transmission mechanism of each mechanism; The seeding unit that mechanism comprises that seed hopper and bottom thereof are provided with of sowing, following fertile mechanism comprises the fertilizer apparatus that fertilizer can and bottom thereof are provided with, and seeding unit and fertilizer apparatus are provided with several rows with straight line, and water injecting mechanism comprises water tank and the injector that is connected with water tank; Seeding unit, fertilizer apparatus, injector is connected with sowing mechanism, sowing mechanism comprises the sowing pipe, the anterior installation of sowing pipe can be regulated the plough of the trench digging degree of depth, it is characterized in that in the fertilizer can of described down fertile mechanism rabbling mechanism being set, fertile mechanism comprises be arranged in parallel chemical fertilizer cutting agency and farmyard manure cutting agency down, the trident hopper is installed on described sowing pipe top, three inlets on the trident hopper respectively with the seeding unit of the mechanism of sowing, the fertilizer apparatus of chemical fertilizer cutting agency and farmyard manure cutting agency connects, sowing pipe rear side is provided with downcomer, and downcomer is connected with injector.

Kind of the bucket that goes out that seeding unit comprises branch kind case and is arranged at branch kind case bottom, divide kind of a upper box part to have into kind of a mouth, divide kind of a case bottom to have two and go out kind of a mouth, (interior setting can divide on the controller of sowing that kind of case slides, the controller of sowing symmetry to have two to cross kind of hole and some connecting holes relatively to divide kind of a case, the controller of sowing is connected with dividing kind of a plug by connecting hole, and controller one end of sowing connects swing mechanism.

Fertilizer apparatus comprises divides booty case and is arranged at the fertile bucket of going out of case bottom of dividing booty, the upper box part of dividing booty has fertilizer inlet, two ends, the left and right sides, the case bottom symmetry of dividing booty has two and goes out fertile hole, the setting in the case of the dividing booty plug of dividing booty that case slides of to divide booty relatively, dividing booty has the overfertilization hole beyond the Great Wall, and an end of the plug of dividing booty connects swing mechanism.

Swing mechanism comprises the swing axis, on the swing axis swing lower beam and some swing upper booms are installed, offer elongated slot on the swing lower beam, the protruding handle that setting can be moved within it in the elongated slot, protruding handle is fixed on the moving block, moving block and sprocket coaxiality, the swing axis is installed on the frame by bearing block, swing upper boom hinged rotating connecting rod, rod hinge connection be by swing mechanism, describedly comprised the controller of sowing in the seeding unit, the plug of dividing booty in the fertilizer apparatus by swing mechanism.

Rabbling mechanism comprises shaft, and some stirrer gears are set on the shaft, and shaft one end is provided for the sprocket wheel of transferring power, on the shaft other end clutch mechanism is set.Clutch mechanism comprises inserted sheet, has groove on the inserted sheet, and the thickness of inserted sheet one end is greater than the thickness of the other end, and connect from being thinned to thick transition, the thin end of inserted sheet connects control stick, and the control stick lower end connects sowing mechanism by lifter drawing bar, and sowing mechanism is rotatable to be installed on the frame.

Described water injecting mechanism comprises water tank, water tank bottom is established some delivery ports, the delivery port bottom connects injector, injector is connected with sowing mechanism, described injector comprises housing, piston and spring are set in the housing, piston connects an end of piston rod, pass on the piston rod other end of housing projection is set, housing one end is provided with intake-outlet, and intake-outlet is connected with water inlet pipe and outlet pipe, all is provided with check valve on water inlet pipe and the outlet pipe, water inlet pipe connects water tank, and outlet pipe connects sowing mechanism.

Belt pulley is set on the wheel axle of frame one side is connected with the gearbox power shaft by belt, output shaft of gear-box connects the swing mechanism of the mechanism of sowing by chain, and the swing mechanism of the mechanism of sowing connects the swing mechanism of fertile mechanism down by chain again; The wheel axle of wheel opposite side is connected by the rabbling mechanism of belt with following fertile mechanism; The top of output shaft of gear-box is provided with the jacking block of the piston rod that promotes injector.The swing axis of the swing mechanism of chemical fertilizer cutting agency is connected by the swinging axle of chain with the swing mechanism of farmyard manure cutting agency, and the shaft of the rabbling mechanism of chemical fertilizer cutting agency is connected by the shaft of chain with the rabbling mechanism of farmyard manure cutting agency.

Multifunctional seed drill described in the utility model has four big functions, automatically control down water (as need not also can close this function, belong to water-saving seeding machinery, per hectare water consumption less than is 5 tons generally speaking), sow, farmyard manure, chemical fertilizer down down.Can plant various coarse cereals such as millet, bean or pea, rice, Chinese sorghum, soybean, red bean, and according to the big or small braking control of oneself needs, spacing in the rows, and the accuracy rate height (has very big benefit to seed and growth of seedlings such as water, seed, farmyard manure program request together, and saved fertilizer, seedling is better grown.Yet chemical fertilizer needs and seed has certain distance, not so seed is had injury), can select according to actual needs.Above-mentioned multinomial function only needs a people to finish, not only can labor savings 70%, and improved production efficiency.Such as: people and animals' plantation, can plant 5 mu of ground the previous day, can plant 15 mu now, rise to original 3 times.Because north calamity in 10 years nine spring, all can not sow every year on time, and the utility model has also solved this problem.

The utility model provides a kind of technical conceive diverse collection sowing, fertilising, water-filling function is the multifunctional seed drill of one, its thoroughly solved northern mountain area because of arid year after year with and distinctive landform and industry characteristics cause other big, in, small agricultural machinery can't finish but the peasant must finish again execute farmyard manure and chemistry is fertile, and can not sow in the wind sky, arid can not be sowed etc. and to be cultivated technical barrier, improved agricultural production quality and efficiency greatly and alleviated peasant's labour intensity, thereby large quantities of peasants have been freed from the farming of traditional farming is confined.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is a perspective view of the present utility model

Fig. 3 is the structural representation of seeding unit

Fig. 4 is the perspective view of seeding unit

Fig. 5 is the structural representation of fertilizer apparatus

Fig. 6 is the perspective view of fertilizer apparatus

Fig. 7 is the structural representation of injector

Fig. 8 is the structural representation of sowing mechanism

Fig. 9 is the swing mechanism schematic top plan view

Figure 10 is the swing mechanism schematic side view

Figure 11 is the rabbling mechanism schematic diagram

Among the figure: 1-frame, 2-wheel, 3-seed hopper; 4-seeding unit, 4.1-divide kind of a case, the 4.2-controller of sowing; 4.3-go out kind of a mouth, 4.4-connecting hole, 4.5-divide kind of a plug; 4.6-go into kind of a mouth, 4.7-crosses kind of a hole, 4.8-goes out kind of a bucket; 5-chemical fertilizer hopper, 6-farmyard manure hopper, 7-fertilizer apparatus; 7.1-go out fertile hole, the 7.2-plug of dividing booty, the 7.3-case of dividing booty; 7.4-go out fertile bucket, 7.5-fertilizer inlet, 7.6-overfertilization hole; the 8-rabbling mechanism, 8.1-stirrer gear, 8.2-shaft; the 9-clutch apparatus, 9.1-inserted sheet, 10-sowing mechanism; 10.1-the sowing pipe, 10.2-plough, 10.3-trident hopper; 10.4-downcomer, 11-water tank, 12-injector; 12.1-housing, 12.2-piston, 12.3-piston rod; 12.4-spring, 12.5-intake-outlet, 12.6-water inlet pipe; 12.7-outlet pipe, 12.8-check valve, 12.9-projection; the 13-swing mechanism, 13.1-swings axis, and 13.2-swings upper boom; 13.3-the swing lower beam, 13.4-elongated slot, the protruding handle of 13.5-; 13.6-moving block; 13.7-bearing block, 13.8-connecting rod, 14-control stick; the 15-lifter drawing bar; the 16-gearbox, the 17-traction, the 18-grave mound closes up mechanism

Embodiment

Multifunctional seed drill, comprise frame 1, the wheel 2 that frame 1 bilateral symmetry is provided with, the mechanism of sowing on frame 1 top, following fertile mechanism, water injecting mechanism, the grave mound of the sowing mechanism 10 of frame 1 bottom, sowing mechanism 10 rear sides closes up mechanism 18, and the transmission mechanism of each mechanism; The seeding unit 4 that mechanism comprises that seed hopper 3 and bottom thereof are provided with of sowing, seed hopper 3 bottoms are provided with some outlets, and the outlet bottom connects the seeding unit of the controlled amount of sowing.Fertile mechanism comprises the fertilizer apparatus 7 that fertilizer can and bottom thereof are provided with down, the fertilizer can bottom is provided with some outlets, outlet with go out kind of mouth with the straight line setting, seeding unit and fertilizer apparatus are provided with several rows with straight line, water injecting mechanism comprises water tank 11 and the injector 12 that is connected with water tank 11; Seeding unit 4, fertilizer apparatus 7, injector 12 and sowing mechanism 10 are connected by flexible pipe, sowing mechanism 10 comprises sowing pipe 10.1, the 10.1 anterior installations of sowing pipe can be regulated the plough 10.2 of the trench digging degree of depth, in the fertilizer can of described fertile mechanism down rabbling mechanism 8 is set, fertile mechanism comprises be arranged in parallel chemical fertilizer cutting agency and farmyard manure cutting agency down, described sowing is managed 10.1 tops trident hopper 10.3 is installed, three inlets on the trident hopper 10.3 respectively with the seeding unit of the mechanism of sowing, the fertilizer apparatus of chemical fertilizer cutting agency and farmyard manure cutting agency connects, sowing pipe 10.1 rear sides are provided with downcomer 10.4, and downcomer 10.4 is connected with injector 12.

Can use machine power, mode of traction such as people and animals' power according to different requirements.

Kind of the bucket 4.8 that goes out that seeding unit 4 comprises branch kind case 4.1 and is arranged at branch kind case 4.1 bottoms, divide kind of case 4.1 tops to have into kind of mouth 4.6, divide kind of case 4.1 bottoms to have two and go out kind of mouth 4.3, divide on the controller 4.2 of sowing that slides that can divide kind of case 4.1 relatively of settings in kind of the case 4.1, the controller 4.2 of sowing symmetry to have two and cross kind of hole 4.7 and some connecting holes 4.4, the controller 4.2 of sowing is connected with dividing kind of a plug 4.5 by connecting hole 4.4, and controller 4.2 1 ends of sowing connect swing mechanism.Divide connecting holes 4.4 different on kind of plug 4.5 and the controller 4.2 of sowing to connect, can make the sow difference of the area coverage of crossing kind of hole 4.7 on the controller 4.2 of 4.5 pairs of branch kind plugs, also just made the adjustable size of passing through area in kind hole 4.7.The controller 4.2 of sowing moves back and forth under the driving of swing mechanism, realizes that two seed outlets 4.3 replace kind, can not damage seed.

Fertilizer apparatus 7 comprises divides booty case 7.3 and is arranged at the fertile bucket 7.4 of going out of case 7.3 bottoms of dividing booty, case 7.3 tops of dividing booty have fertilizer inlet 7.5, two ends, the left and right sides, the case 7.3 bottom symmetry of dividing booty has two and goes out fertile hole 7.1, the settings in the case 7.3 of the dividing booty plug 7.2 of dividing booty that case 7.3 slides of to divide booty relatively, divide booty to fill on 7.2 and have overfertilization hole 7.6, plug 7.2 the end of dividing booty connects swing mechanism, moves back and forth, and realizes that two go out fertile hole 7.1 and replace and fertilizer.

Swing mechanism 13 comprises swing axis 13.1, on the swing axis 13.1 swing lower beam 13.3 and some swing upper booms 13.2 are installed, offer elongated slot 13.4 on the swing lower beam 13.3, the protruding handle 13.5 that setting can be moved within it in the elongated slot 13.4, protruding handle 13.5 is fixed on the moving block 13.6, moving block 13.6 and sprocket coaxiality, swing axis 13.1 is installed on the frame by bearing block 13.7, swing upper boom 13.2 hinged rotating connecting rods 13.8, connecting rod 13.8 is hinged by swing mechanism, is describedly comprised the controller 4.2 of sowing in the seeding unit 4 by swing mechanism, the plug 7.2 of dividing booty in the fertilizer apparatus 7.Three blanking time unanimities of swing mechanism control seeding unit, fertilizer apparatus do not have error, can accurately control down the time difference of seed, fertilizer, farmyard manure and water filling, can regulate on demand.

Described fertile mechanism down comprises chemical fertilizer cutting agency and farmyard manure cutting agency, fertile mechanism be arranged in parallel under these two kinds, and agent structure is identical, all comprises fertilizer can and fertilizer apparatus, dividing booty in the fertilizer apparatus filled in all to be connected with swing mechanism and moved back and forth, and rabbling mechanism all is set in the fertilizer can.

Rabbling mechanism 8 comprises shaft 8.2, and some stirrer gears 8.1 are set on the shaft 8.2, and shaft 8.2 1 ends are provided for the sprocket wheel of transferring power, on shaft 8.2 other ends clutch mechanism 9 is set.Clutch mechanism 9 comprises inserted sheet 9.1, have groove on the inserted sheet 9.1, the thickness of inserted sheet 9.1 1 ends is greater than the thickness of the other end, and connects from being thinned to thick transition, inserted sheet 9.1 thin ends connect control stick 14, and control stick 14 comes the conversion of work of solenoidoperated cluthes mechanism and off working state.Control stick 14 lower ends connect sowing mechanism 10 by lifter drawing bar 15, sowing mechanism 10 rotatable being installed on the frame 1.

Water injecting mechanism comprises water tank 11, some delivery ports are established in water tank 11 bottoms, the delivery port bottom connects injector 12, injector 12 is connected with sowing mechanism 10, described injector 12 comprises housing 12.1, piston 12.2 and spring 12.4 are set in the housing 12.1, piston 12.2 connects an end of piston rod 12.3, pass on piston rod 12.3 other ends of housing 12.1 projection 12.9 is set, housing 12.1 one ends are provided with intake-outlet 12.5, and intake-outlet 12.5 is connected with water inlet pipe 12.6 and outlet pipe 12.7, all are provided with check valve 12.8 on water inlet pipe 12.6 and the outlet pipe 12.7, water inlet pipe 12.6 connects water tank 11, and outlet pipe 12.7 connects sowing mechanism 10.

Transmission of the present utility model is as follows: belt pulley is set on the wheel axle of frame 1 one sides is connected with the gearbox power shaft by belt, output shaft of gear-box connects the swing mechanism of the mechanism of sowing by chain, and the swing mechanism of the mechanism of sowing connects the swing mechanism of fertile mechanism down by chain again; The wheel axle of wheel opposite side is connected by the rabbling mechanism of belt with following fertile mechanism; The top of output shaft of gear-box is provided with the jacking block of the piston rod that promotes injector, and the piston rod that promotes injector is realized quantitative water supply.The swing axis of the swing mechanism of chemical fertilizer cutting agency is connected by the swinging axle of chain with the swing mechanism of farmyard manure cutting agency, and the shaft of the rabbling mechanism of chemical fertilizer cutting agency is connected by the shaft of chain with the rabbling mechanism of farmyard manure cutting agency.Whether gearbox can be controlled sowing mechanism and work, and also controlled is sowed spacing in the rows simultaneously, and how spacing in the rows is controlled, and the speed of travel of establishing sower earlier is certain, and gearbox has three kinds of different output speeds and neutral position.Can realize waving the reciprocating frequence of axle like this by the output speed β that regulates gearbox, so just can realize sowing and fertile down number of times, because speed of travel V1 is certain, so spacing in the rows can be regulated by the output speed that changes gearbox.

Claims

1, a kind of multifunctional seed drill, comprise frame (1), the wheel (2) that frame (1) bilateral symmetry is provided with, the mechanism of sowing on frame (1) top, following fertile mechanism, water injecting mechanism, the grave mound of the sowing mechanism (10) of frame (1) bottom, sowing mechanism (10) rear side closes up mechanism (18), and the transmission mechanism of each mechanism; The seeding unit (4) that mechanism comprises that seed hopper (3) and bottom thereof are provided with of sowing, fertile mechanism comprises the fertilizer apparatus (7) that fertilizer can and bottom thereof are provided with down, seeding unit and fertilizer apparatus are provided with several rows with straight line, and water injecting mechanism comprises water tank (11) and the injector (12) that is connected with water tank (11); Seeding unit (4), fertilizer apparatus (7), injector (12) is connected with sowing mechanism (10), sowing mechanism (10) comprises sowing pipe (10.1), (10.1) the anterior installation of sowing pipe can be regulated the plough (10.2) of the trench digging degree of depth, it is characterized in that in the fertilizer can of described down fertile mechanism rabbling mechanism (8) being set, fertile mechanism comprises be arranged in parallel chemical fertilizer cutting agency and farmyard manure cutting agency down, trident hopper (10.3) is installed on described sowing pipe (10.1) top, three inlets on the trident hopper (10.3) respectively with the seeding unit of the mechanism of sowing, the fertilizer apparatus of chemical fertilizer cutting agency and farmyard manure cutting agency connects, sowing pipe (10.1) rear side is provided with downcomer (10.4), and downcomer (10.4) is connected with injector (12).

2, multifunctional seed drill according to claim 1, it is characterized in that kind of the bucket (4.8) that goes out that seeding unit (4) comprises branch kind case (4.1) and is arranged at branch kind case (4.1) bottom, divide kind of case (4.1) top to have into kind of a mouth (4.6), divide kind of case (a 4.1) bottom to have two and go out kind of a mouth (4.3), divide kind of the controller of sowing (4.2) that the interior setting of case (4.1) can divide kind of a case (4.1) to slide relatively, the last symmetry of the controller (4.2) of sowing has two and crosses kind of hole (4.7) and some connecting holes (4.4), the controller (4.2) of sowing is connected with dividing kind of a plug (4.5) by connecting hole (4.4), and controller (4.2) one ends of sowing connect swing mechanism.

3, multifunctional seed drill according to claim 1, it is characterized in that fertilizer apparatus (7) comprises the case of dividing booty (7.3) and is arranged at fertile struggle against (7.4) of going out of the case of dividing booty (7.3) bottom, case (7.3) top of dividing booty has fertilizer inlet (7.5), two ends, the left and right sides, case (7.3) the bottom symmetry of dividing booty has two and goes out fertile hole (7.1), the interior setting of case (7.3) of the dividing booty plug (7.2) of dividing booty that case (7.3) slides of to divide booty relatively, dividing booty has overfertilization hole (7.6) on the plug (7.2), and an end of the plug (7.2) of dividing booty connects swing mechanism.

4, according to claim 2 or 3 described multifunctional seed drills, it is characterized in that swing mechanism (13) comprises swing axis (13.1), swing axis (13.1) is gone up swing lower beam (13.3) and some swing upper booms (13.2) is installed, offer elongated slot (13.4) on the swing lower beam (13.3), the protruding handle (13.5) that the interior setting of elongated slot (13.4) can be moved within it, protruding handle (13.5) is fixed on the moving block (13.6), moving block (13.6) and sprocket coaxiality, swing axis (13.1) is installed on the frame by bearing block (13.7), swing upper boom (13.2) hinged rotating connecting rods (13.8), connecting rod (13.8) is hinged by swing mechanism, is describedly comprised the controller of sowing (4.2) in the seeding unit (4) by swing mechanism, the plug (7.2) of dividing booty in the fertilizer apparatus (7).

5, multifunctional seed drill according to claim 1, it is characterized in that rabbling mechanism (8) comprises shaft (8.2), some stirrer gears (8.1) are set on the shaft (8.2), shaft (8.2) one ends are provided for the sprocket wheel of transferring power, on shaft (8.2) other end clutch mechanism (9) are set.

6, multifunctional seed drill according to claim 5, it is characterized in that described clutch mechanism (9) comprises inserted sheet (9.1), inserted sheet has groove on (9.1), the thickness of inserted sheet (9.1) one ends is greater than the thickness of the other end, and connect from being thinned to thick transition, the thin end of inserted sheet (9.1) connects control stick (14), and control stick (14) lower end connects sowing mechanism (10) by lifter drawing bar (15), and sowing mechanism (10) is rotatable to be installed on the frame (1).

7, multifunctional seed drill according to claim 1, it is characterized in that described water injecting mechanism comprises water tank (11), some delivery ports are established in water tank (11) bottom, the delivery port bottom connects injector (12), injector (12) is connected with sowing mechanism (10), described injector (12) comprises housing (12.1), piston (12.2) and spring (12.4) are set in the housing (12.1), piston (12.2) connects an end of piston rod (12.3), pass on piston rod (12.3) other end of housing (12.1) projection (12.9) is set, housing (12.1) one ends are provided with intake-outlet (12.5), intake-outlet (12.5) is connected with water inlet pipe (12.6) and outlet pipe (12.7), all be provided with check valve (12.8) on water inlet pipe (12.6) and the outlet pipe (12.7), water inlet pipe (12.6) connects water tank (11), and outlet pipe (12.7) connects sowing mechanism (10).

8, multifunctional seed drill according to claim 4, it is characterized in that on the wheel axle of frame (1) one side belt pulley being set is connected with the gearbox power shaft by belt, output shaft of gear-box connects the swing mechanism of the mechanism of sowing by chain, and the swing mechanism of the mechanism of sowing connects the swing mechanism of fertile mechanism down by chain again; The wheel axle of wheel opposite side is connected by the rabbling mechanism of belt with following fertile mechanism; The top of output shaft of gear-box is provided with the jacking block of the piston rod that promotes injector.

9, multifunctional seed drill according to claim 4, the swing axis that it is characterized in that the swing mechanism of chemical fertilizer cutting agency is connected by the swinging axle of chain with the swing mechanism of farmyard manure cutting agency, and the shaft of the rabbling mechanism of chemical fertilizer cutting agency is connected by the shaft of chain with the rabbling mechanism of farmyard manure cutting agency.