CN209882547U

CN209882547U - Quantitative fertilizing device for agriculture and forestry

Info

Publication number: CN209882547U
Application number: CN201920552046.2U
Authority: CN
Inventors: 郭鑫年; 黄玉峰; 沈强云; 郭成瑾; 梁锦秀; 孙娇; 尹志荣; 周涛; 纪立东
Original assignee: Agricultural Resource And Environment Institute Ningxia Academy Of Agricultural And Forestry Sciences (ningxia Soil And Plant Nutrition Key Laboratory)
Current assignee: Agricultural Resource And Environment Institute Ningxia Academy Of Agricultural And Forestry Sciences (ningxia Soil And Plant Nutrition Key Laboratory)
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-03
Anticipated expiration: 2029-04-22

Abstract

A quantitative fertilization device for agriculture and forestry relates to the field of equipment for agriculture and forestry fertilization and comprises a frame body, a traction frame, a traveling wheel and a quantitative ditching and fertilizer sowing device, wherein the traction frame is assembled at the front end of the frame body; the quantitative ditching and fertilizer spreading device comprises a ditching plow, a material guide pipe and a quantitative spreading device, wherein the quantitative spreading device is assembled on the frame body, one end of the material guide pipe is communicated with the quantitative spreading device, and the other end of the material guide pipe is communicated with the ditching plow. The utility model provides a when the quantitative fertilizer injection unit's ditching plough is ditched for agriculture and forestry, the quantitative device of scattering has realized the accurate scattering of ration of fertilizer in the ditch cave that the ditching plough was opened with fertilizer from the leading-in ditching of passage.

Description

Quantitative fertilizing device for agriculture and forestry

The technical field is as follows:

the utility model relates to an equipment field is used in agriculture and forestry planting, in particular to quantitative fertilizer injection unit is used in agriculture and forestry.

Background art:

fertilization refers to an agricultural technical measure of applying a fertilizer into soil or spraying the fertilizer on plants, providing nutrients required by the plants, and maintaining and improving the soil fertility. The main purposes of fertilization are to increase crop yield, improve crop quality, fertilize soil and improve economic benefits, so that reasonable and scientific quantitative fertilization is one of the main means for guaranteeing grain safety and maintaining sustainable development of agriculture. In the prior art, accurate quantitative fertilization is difficult to realize in fertilization, so that the fertilizer amount in the field is difficult to control.

The utility model has the following contents:

in view of this, it is necessary to provide a quantitative fertilization device for agriculture and forestry.

A quantitative fertilization device for agriculture and forestry comprises a frame body, a traction frame, a traveling wheel and a quantitative ditching and fertilizer sowing device, wherein the traction frame is assembled at the front end of the frame body, the traveling wheel is assembled on the frame body, and the quantitative ditching and fertilizer sowing device is assembled in the middle of the frame body; the quantitative ditching and fertilizer spreading device comprises a ditching plow, a material guide pipe and a quantitative spreading device, wherein the quantitative spreading device is assembled on the frame body, one end of the material guide pipe is communicated with the quantitative spreading device, and the other end of the material guide pipe is communicated with the ditching plow.

Preferably, the frame body comprises a bogie and a main frame body, the bogie is assembled at the front end of the main frame body, and one end of the traction frame is connected with the bogie; the quantitative ditching and fertilizing device is assembled on the main frame body, the walking wheels comprise guiding walking wheels, left walking wheels and right walking wheels, the guiding walking wheels are assembled on the bogie, the left walking wheels are assembled on the left side of the main frame body, and the right walking wheels are assembled on the right side of the main frame body.

Preferably, the bogie comprises a first arc-shaped connecting arm, a second arc-shaped connecting arm, a connecting circular tube, a rotating column and a U-shaped connecting frame, one end of the first arc-shaped connecting arm is fixedly connected with the front end of the main frame body, the other end of the first arc-shaped connecting arm is connected with the connecting circular tube, one end of the second arc-shaped connecting arm is fixedly connected with the front end of the main frame body, the other end of the second arc-shaped connecting arm is connected with the connecting circular tube, the upper end of the rotating column extends into the connecting circular tube, the lower end of the rotating column is fixedly connected with the upper end of the U-shaped; the upper end of the U-shaped connecting frame is assembled with the connecting lug seat, and one end of the traction frame is hinged with the connecting lug seat.

Preferably, the quantitative spreading device comprises a first quantitative spreading device and a second quantitative spreading device, the first quantitative spreading device and the second quantitative spreading device have the same structure, and the first quantitative spreading device and the second quantitative spreading device respectively comprise a transmission gear set, a material shifting device, a material receiving disc and a material shifting rotating shaft;

a transmission gear set of the first quantitative spreading device is assembled with a wheel shaft of the left traveling wheel and is assembled with a material stirring rotating shaft, one end of the material stirring rotating shaft penetrates through a material receiving disc and is assembled with the material stirring device, the material stirring rotating shaft drives the material stirring device to rotate, two discharge ports are formed in the edge of the material receiving disc, the two discharge ports are located on the same diameter of the material receiving disc, the lower ends of the two discharge ports are respectively connected with the upper end of a guide pipe, and the lower end of each guide pipe is respectively connected with and communicated with a ditching plow;

the transmission gear set of the second quantitative spreading device is assembled with the wheel shaft of the right travelling wheel and assembled with the stirring rotating shaft, one end of the stirring rotating shaft penetrates through the material receiving disc to be assembled with the stirring device, the stirring rotating shaft drives the stirring device to rotate, two discharge ports are formed in the edge of the material receiving disc, the two discharge ports are located on the same diameter of the material receiving disc, the lower ends of the two discharge ports are connected with the upper end of a guide pipe respectively, and the lower end of each guide pipe is connected and communicated with a furrow plough respectively.

Preferably, the material shifting device comprises a material shifting disc, a cone material guide block and a plurality of material limiting partition plates, one end of each material limiting partition plate is connected with the bottom edge of the cone material guide block, the other end of each material limiting partition plate is fixedly connected with the inner edge of the material shifting disc, the material limiting partition plates are uniformly and radially distributed between the material shifting disc and the cone material guide block, each two adjacent material limiting partition plates form a material limiting area, and the size of each material limiting area is the same.

Preferably, the material poking device further comprises a left material limiting block and a right material limiting block, the left material limiting block is fixedly assembled on the left side of the material poking disc, and the right material limiting block is fixedly assembled on the right side of the material poking disc.

Preferably, the transmission gear set comprises a driving gear, a driven gear, a transmission rotating shaft, a first helical gear and a second helical gear, the two driving gears are respectively assembled with the wheel shaft ends of the left traveling wheel and the right traveling wheel, the driven gear is meshed with the driving gear, one end of the transmission rotating shaft is assembled with the driven gear, the other end of the transmission rotating shaft is assembled with the first helical gear, the second helical gear is meshed with the first helical gear, the second helical gear of the first quantitative spreading device is assembled with the lower end of the material stirring rotating shaft, and the second helical gear of the second quantitative spreading device is assembled with the lower end of the material stirring rotating shaft.

Preferably, the main frame body comprises a main square frame, a left U-shaped frame, a right U-shaped frame, a hand-push U-shaped frame, a first fixed arm and a second fixed arm, the left ends of the first fixed arm and the second fixed arm are assembled on the left side of the main square frame, the right ends of the first fixed arm and the second fixed arm are assembled on the right side of the main square frame, the left U-shaped frame is assembled on the left side of the main square frame, the right U-shaped frame is assembled on the right side of the main square frame, the two ends of the hand-push U-shaped frame are fixedly assembled on the left side and the right side of the rear end of the main square frame respectively, the included angle between the surface where the hand-push U-shaped frame is located and the surface where the main square frame is located is smaller than 70 degrees, and the material receiving discs of the first quantitative sowing device and.

Preferably, the main frame body further comprises a front height adjusting frame, a rear height adjusting frame, a first front connecting arm, a second front connecting arm, a third front connecting arm, a fourth front connecting arm, a first rear connecting arm, a second rear connecting arm, a third rear connecting arm, a fourth rear connecting arm, a first balancing weight, a second balancing weight, a third balancing weight, a fourth balancing weight, a first connecting chain, a second connecting chain, a third connecting chain and a fourth connecting chain, the front height adjusting frame is assembled at the front end of the main square frame, and the rear height adjusting frame is assembled at the rear end of the main square frame;

the ditching plow comprises a first ditching plow, a second ditching plow, a third ditching plow and a fourth ditching plow, the guide tubes comprise a first guide tube, a second guide tube, a third guide tube and a fourth guide tube, the upper ends of the first guide tube and the second guide tube are respectively connected with two discharge ports of a material receiving disc of the first quantitative sowing device, the lower ends of the first guide tube and the second guide tube are respectively connected and communicated with the first ditching plow and the second ditching plow, the upper ends of the third guide tube and the fourth guide tube are respectively connected with two discharge ports of a material receiving disc of the second quantitative sowing device, and the lower ends of the third guide tube and the fourth guide tube are respectively connected and communicated with the third ditching plow and the fourth ditching plow;

the front ends of the first front connecting arm, the second front connecting arm, the third front connecting arm and the fourth front connecting arm are connected with the front height adjusting frame, and the rear ends of the first front connecting arm, the second front connecting arm, the third front connecting arm and the fourth front connecting arm are respectively connected with the front ends of the first furrow plough, the second furrow plough, the third furrow plough and the fourth furrow plough; the front ends of the first rear connecting arm, the second rear connecting arm, the third rear connecting arm and the fourth rear connecting arm are respectively connected with the rear ends of the first furrow plough, the second furrow plough, the third furrow plough and the fourth furrow plough, the first rear connecting arm, the second rear connecting arm, the rear ends of the third rear connecting arm and the fourth rear connecting arm are respectively assembled with the first balancing weight, the second balancing weight, the third balancing weight and the fourth balancing weight, the lower ends of the first connecting chain, the second connecting chain, the third connecting chain and the fourth connecting chain are respectively assembled with the first balancing weight, the second balancing weight, the third balancing weight and the fourth balancing weight in sequence, and the upper ends of the first connecting chain, the second connecting chain, the third connecting chain and the fourth connecting chain are respectively assembled on the rear height adjusting frame.

Preferably, the front height adjusting frame comprises a left vertical adjusting plate, a right vertical adjusting plate and a transverse connecting arm, the upper end of the left vertical adjusting plate is connected to the left side of the front end of the main square frame, the upper end of the right vertical adjusting plate is connected to the right side of the front end of the main square frame, a plurality of mounting holes are respectively formed in the left vertical adjusting plate and the right vertical adjusting plate, the mounting holes are vertically arranged, the left end of the transverse connecting arm is assembled with the mounting hole of the left vertical adjusting plate, the right end of the transverse connecting arm is assembled with the mounting hole of the right vertical adjusting plate, and the front ends of the first front connecting arm, the second front connecting arm, the third front connecting arm and the fourth front;

the back height adjusting bracket comprises back connecting seats, a back connecting arm, a gear adjusting plate, a height adjusting plate, a left connecting plate, a right connecting plate and a rotary column, two back connecting seats are respectively assembled at the left and right sides of the rear end of the main square frame, both ends are respectively connected with two back connecting seats fixed connection about the rotary column, one end of the left connecting plate is connected with the left end of the rotary column, the other end is connected with the left end of the back connecting arm, one end of the right connecting plate is connected with the right end of the rotary column, the other end is connected with the right end of the back connecting arm, one end of the gear adjusting plate is assembled on the back connecting seat, the other end is assembled with the height adjusting plate, the height adjusting plate is vertically fixed on the left connecting.

The utility model provides a when the quantitative fertilizer injection unit's ditching plough is ditched for agriculture and forestry, the quantitative device of scattering has realized the accurate scattering of ration of fertilizer in the ditch cave that the ditching plough was opened with fertilizer from the leading-in ditching of passage.

Description of the drawings:

in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a quantitative fertilization device for agriculture and forestry.

Fig. 2 is a schematic structural view of another view angle of the quantitative fertilization device for agriculture and forestry.

Fig. 3 is a schematic structural view of another view angle of the quantitative fertilization device for agriculture and forestry.

Fig. 4 is a structural schematic diagram of a rear view angle of the quantitative fertilization device for agriculture and forestry.

Fig. 5 is a structural schematic diagram of a right view angle of the quantitative fertilization device for agriculture and forestry.

Fig. 6 is a schematic structural diagram of a top view of the quantitative fertilization device for agriculture and forestry.

Fig. 7 is a structural schematic diagram of a bottom view angle of the quantitative fertilization device for agriculture and forestry.

In the figure: the device comprises a frame body 10, a bogie 11, a first arc-shaped connecting arm 110, a second arc-shaped connecting arm 111, a connecting circular tube 112, a rotating column 113, a U-shaped connecting frame 114, a main frame 12, a main square frame 120, a left U-shaped frame 121, a right U-shaped frame 122, a hand-push U-shaped frame 123, a first fixed arm 124, a second fixed arm 125, a first front connecting arm 126, a second front connecting arm 127, a third front connecting arm 128, a fourth front connecting arm 129, a first rear connecting arm 1210, a second rear connecting arm 1211, a third rear connecting arm 1212, a fourth rear connecting arm 1213, a first balancing weight 1214, a second balancing weight 1215, a third balancing weight 1216, a fourth balancing weight 1217, a first connecting chain 1218, a second connecting chain 1219, a third connecting chain 1220, a fourth connecting chain 1221, a traction frame 20, a travelling wheel 30, a guide travelling wheel 31, a left travelling wheel 32, a right travelling wheel 33, a quantitative ditching and fertilizer spreading device 40, a ditching 41, The device comprises a first ditching plow 410, a second ditching plow 411, a third ditching plow 412, a fourth ditching plow 413, a material guide pipe 42, a first material guide pipe 420, a second material guide pipe 421, a third material guide pipe 422, a fourth material guide pipe 423, a quantitative spreading device 43, a first quantitative spreading device 430, a second quantitative spreading device 431, a transmission gear set 50, a driving gear 501, a driven gear 502, a transmission rotating shaft 503, a first bevel gear 504, a second bevel gear 505, a material shifting device 51, a material shifting disk 510, a cone material guide block 511, a material limiting partition plate 512, a left material limiting block 513, a right material limiting block 514, a material receiving disk 52, a material shifting rotating shaft 53, a left vertical adjusting plate 60, a right vertical adjusting plate 61, a transverse connecting arm 62, a rear connecting seat 70, a rear connecting arm 71, a gear adjusting plate 72, a height adjusting plate 73, a left connecting plate 74, a right connecting plate 75 and a rotating column 76.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 7, the quantitative fertilization device for agriculture and forestry includes a frame body 10, a traction frame 20, a traveling wheel 30 and a quantitative ditching and fertilizing device 40, wherein the traction frame 20 is assembled at the front end of the frame body 10, the traveling wheel 30 is assembled on the frame body 10, and the quantitative ditching and fertilizing device 40 is assembled in the middle of the frame body 10; the quantitative ditching and fertilizing device 40 comprises a ditching plow 41, a material guide pipe 42 and a quantitative sowing device 43, wherein the quantitative sowing device 43 is assembled on the frame body 10, one end of the material guide pipe 42 is communicated with the quantitative sowing device 43, and the other end is communicated with the ditching plow 41.

The frame body 10 comprises a bogie 11 and a main frame body 12, the bogie 11 is assembled at the front end of the main frame body 12, and one end of a traction frame 20 is connected with the bogie 11; the quantitative ditching and fertilizing device 40 is assembled on the main frame body 12, the walking wheels 30 comprise guiding walking wheels 31, left walking wheels 32 and right walking wheels 33, the guiding walking wheels 31 are assembled on the bogie 11, the left walking wheels 32 are assembled on the left side of the main frame body 12, and the right walking wheels 33 are assembled on the right side of the main frame body 12. The guide walking wheels 31 are assembled on the bogie 11, and the bogie 11 controls the steering of the guide walking wheels 31, so that the direction of the fertilizer can be flexibly changed, and the fertilizer sowing machine is more suitable for field fertilizer sowing operation of various terrains.

The bogie 11 comprises a first arc-shaped connecting arm 110, a second arc-shaped connecting arm 111, a connecting circular tube 112, a rotating column 113 and a U-shaped connecting frame 114, one end of the first arc-shaped connecting arm 110 is fixedly connected with the front end of the main frame body 12, the other end of the first arc-shaped connecting arm is connected with the connecting circular tube 112, one end of the second arc-shaped connecting arm 111 is fixedly connected with the front end of the main frame body 12, the other end of the second arc-shaped connecting arm is connected with the connecting circular tube 112, the upper end of the rotating column 113 extends into the connecting circular tube 112, the lower end of the rotating column is fixedly connected with the upper end of the U-shaped connecting frame 114; the upper end of the U-shaped connecting frame 114 is provided with a connecting ear seat, and one end of the traction frame 20 is hinged with the connecting ear seat. The rotating column 113 rotates in the connecting circular tube 112 to drive the U-shaped connecting frame 114 to rotate and drive the guiding walking wheels 31 to rotate, and the guiding walking wheels 31 can flexibly steer due to the structural design of the bogie 11.

The quantitative spreading device 43 comprises a first quantitative spreading device 430 and a second quantitative spreading device 431, the first quantitative spreading device 430 and the second quantitative spreading device 431 have the same structure, and the first quantitative spreading device 430 and the second quantitative spreading device 431 both comprise a transmission gear set 50, a material shifting device 51, a material receiving disc 52 and a material shifting rotating shaft 53;

the transmission gear set 50 of the first quantitative sowing device 430 is matched with a wheel shaft of the left walking wheel 32 and is matched with a material stirring rotating shaft 53, one end of the material stirring rotating shaft 53 penetrates through a material receiving disc 52 and is matched with a material stirring device 51, the material stirring rotating shaft 53 drives the material stirring device 51 to rotate, two discharge ports are formed in the edge of the material receiving disc 52, the two discharge ports are arranged on the same diameter of the material receiving disc, the lower ends of the two discharge ports are respectively connected with the upper end of one guide pipe 42, and the lower end of each guide pipe 42 is respectively connected and communicated with one ditching plow 41;

the transmission gear set 50 of the second quantitative spreading device 431 is assembled with the wheel shaft of the right traveling wheel 33 and assembled with the material stirring rotating shaft 53, one end of the material stirring rotating shaft 53 penetrates through the material receiving disc 52 and is assembled with the material stirring device 51, the material stirring rotating shaft 53 drives the material stirring device 51 to rotate, two discharge ports are formed in the edge of the material receiving disc 52, the two discharge ports are arranged on the same diameter of the material receiving disc 52, the lower ends of the two discharge ports are respectively connected with the upper end of one guide pipe 42, and the lower end of each guide pipe 42 is respectively connected and communicated with one ditching plow 41. The left traveling wheel 32 and the right traveling wheel 33 travel to drive the power transmission of the transmission gear sets of the first quantitative distribution device 430 and the second quantitative distribution device 431 and transmit the power to the material stirring rotating shafts 53 of the first quantitative distribution device 430 and the second quantitative distribution device 431, the material stirring rotating shafts 53 of the first quantitative distribution device 430 and the second quantitative distribution device 431 rotate respectively, and the material stirring devices 51 of the first quantitative distribution device 430 and the second quantitative distribution device 431 rotate and are driven to stir materials respectively.

The material shifting device 51 comprises a material shifting disk 510, a cone material guiding block 511 and a plurality of material limiting partition plates 512, one end of each material limiting partition plate 512 is connected with the bottom edge of the cone material guiding block 511, the other end of each material limiting partition plate is fixedly connected with the inner edge of the material shifting disk 510, the material limiting partition plates 512 are uniformly and radially distributed between the material shifting disk 510 and the cone material guiding block 511, every two adjacent material limiting partition plates 512 form a material limiting area, and the size of each material limiting area is the same.

The material shifting device 51 further comprises a left material limiting block 513 and a right material limiting block 514, wherein the left material limiting block 513 is fixedly assembled on the left side of the material shifting disc 510, and the right material limiting block 514 is fixedly assembled on the right side of the material shifting disc 510. The material stirring disk 510, the conical material guiding block 511 and the plurality of material limiting partition plates 512 of the material stirring device 51 of the first quantitative spreading device 430 and the second quantitative spreading device 431 rotate simultaneously, the capacity of each material limiting area is equal in each material limiting area formed by the material limiting partition plates 512, the material stirring disk 510 of the first quantitative spreading device 430 and the material limiting disk 510 of the second quantitative spreading device 431 rotate to enable the fertilizer in the material limiting areas to rotate, after the material stirring disk 510 of the first quantitative spreading device 430 and the material stirring disk 510 of the second quantitative spreading device 431 rotate for half a circle, two discharge ports of the material receiving disk 52 of the first quantitative spreading device 430 and the second quantitative spreading device 431 are just butted with the first material guiding pipe 420, the second material guiding pipe 421, the third material guiding pipe 422 and the fourth material guiding pipe 423 respectively, and the fertilizer is scattered out. The first material guiding pipe 420, the second material guiding pipe 421, the third material guiding pipe 422 and the fourth material guiding pipe 423 are flexible pipes, and are conveniently connected with the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413.

The transmission gear set 50 includes a driving gear 501, a driven gear 502, a transmission rotation shaft 503, a first bevel gear 504 and a second bevel gear 505, the two driving gears 501 are respectively assembled with the axle ends of the left traveling wheel 32 and the right traveling wheel 33, the driven gear 502 is engaged with the driving gear 501, one end of the transmission rotation shaft 503 is assembled with the driven gear 502, the other end is assembled with the first bevel gear 504, the second bevel gear 505 is engaged with the first bevel gear 504, the second bevel gear 505 of the first quantitative distribution device 430 is assembled with the lower end of the material stirring rotation shaft 53, and the second bevel gear 505 of the second quantitative distribution device 431 is assembled with the lower end of the material stirring rotation shaft 53.

The main frame body 12 comprises a main square frame 120, a left U-shaped frame 121, a right U-shaped frame 122, a hand-push U-shaped frame 123, a first fixing arm 124 and a second fixing arm 125, the left ends of the first fixing arm 124 and the second fixing arm 125 are assembled on the left side of the main square frame 120, the right ends of the first fixing arm 124 and the second fixing arm 125 are assembled on the right side of the main square frame 120, the left U-shaped frame 121 is assembled on the left side of the main square frame 120, the right U-shaped frame 122 is assembled on the right side of the main square frame 120, two ends of the hand-push U-shaped frame 123 are respectively fixedly assembled on the left side and the right side of the rear end of the main square frame 120, an included angle between the surface where the hand-push U-shaped frame 123 is located and the surface where the main square frame 120 is located is smaller than 70 degrees, and the material receiving discs 52 of the first quantitative distribution device 430 and the second quantitative distribution.

The main frame body 12 further comprises a front height adjusting frame, a rear height adjusting frame, a first front connecting arm 126, a second front connecting arm 127, a third front connecting arm 128, a fourth front connecting arm 129, a first rear connecting arm 1210, a second rear connecting arm 1211, a third rear connecting arm 1212, a fourth rear connecting arm 1213, a first balancing weight 1214, a second balancing weight 1215, a third balancing weight 1216, a fourth balancing weight 1217, a first connecting chain 1218, a second connecting chain 1219, a third connecting chain 1220 and a fourth connecting chain 1221, wherein the front height adjusting frame is assembled at the front end of the main square frame 120, and the rear height adjusting frame is assembled at the rear end of the main square frame 120;

the furrowing plough 41 comprises a first furrowing plough 410, a second furrowing plough 411, a third furrowing plough 412 and a fourth furrowing plough 413, the guide tube 42 comprises a first guide tube 420, a second guide tube 421, a third guide tube 422 and a fourth guide tube 423, the upper ends of the first guide tube 420 and the second guide tube 421 are respectively connected with two discharge ports of the material receiving disc 52 of the first quantitative sowing device 430, the lower ends of the first guide tube 422 and the second guide tube 421 are respectively connected with and communicated with the first furrowing plough 410 and the second furrowing plough 411, the upper ends of the third guide tube 422 and the fourth guide tube 423 are respectively connected with two discharge ports of the material receiving disc 52 of the second quantitative sowing device 431, and the lower ends of the third guide tube 422 and the fourth guide tube 423 are respectively connected with and communicated with the third furrowing plough 412 and the fourth furrowing plough 413; the two discharge ports of the material receiving disc 52 of the first quantitative spreading device 430 and the second quantitative spreading device 431 are just butted with the first material guiding pipe 420, the second material guiding pipe 421, the third material guiding pipe 422 and the fourth material guiding pipe 423 respectively, so that the fertilizer is spread out. And fall into furrows and holes respectively opened by the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413, and the left material limiting block 513 and the right material limiting block 514 on the material shifting disc 510 of the first quantitative sowing device 430 and the second quantitative sowing device 431 can shift out redundant fertilizer in each material limiting area, so that the fertilizer amount in each material limiting area is ensured to be the same, and thus, the quantitative and accurate sowing of the fertilizer is realized.

The front ends of the first front connecting arm 126, the second front connecting arm 127, the third front connecting arm 128 and the fourth front connecting arm 129 are connected with the front height adjusting bracket, and the rear ends are respectively connected with the front ends of the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413; the front ends of the first rear connecting arm 1210, the second rear connecting arm 1211, the third rear connecting arm 1212 and the fourth rear connecting arm 1213 are connected to the rear ends of the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413, respectively, the rear ends of the first rear connecting arm 1210, the second rear connecting arm 1211, the third rear connecting arm 1212 and the fourth rear connecting arm 1213 are respectively assembled with the first balancing weight 1214, the second balancing weight 1215, the third balancing weight 1216 and the fourth balancing weight 1217, the lower ends of the first connecting chain 1218, the second connecting chain 1219, the third connecting chain 1220 and the fourth connecting chain 1221 are respectively assembled with the first balancing weight 1214, the second balancing weight 1215, the third balancing weight 1216 and the fourth balancing weight 1217 in sequence, and the upper ends of the first connecting chain 1218, the second connecting chain 1219, the third connecting chain 1220 and the fourth connecting chain 1221 are respectively assembled on the rear height adjusting frame.

The front height adjusting frame comprises a left vertical adjusting plate 60, a right vertical adjusting plate 61 and a transverse connecting arm 62, the upper end of the left vertical adjusting plate 60 is connected to the left side of the front end of the main square frame 120, the upper end of the right vertical adjusting plate 61 is connected to the right side of the front end of the main square frame 120, a plurality of mounting holes are respectively formed in the left vertical adjusting plate 60 and the right vertical adjusting plate 61 and are vertically arranged, the left end of the transverse connecting arm 62 is assembled with the mounting hole of the left vertical adjusting plate 60, the right end of the transverse connecting arm is assembled with the mounting hole of the right vertical adjusting plate 61, and the front ends of the first front connecting arm 126, the second front connecting arm 127, the third front connecting arm 128 and the fourth front connecting arm 129 are; the height adjustment of the transverse connecting arm 62 is realized by selecting different mounting holes, the front ends of the first front connecting arm 126, the second front connecting arm 127, the third front connecting arm 128 and the fourth front connecting arm 129 are connected with the transverse connecting arm, so that the heights of the front ends of the first front connecting arm 126, the second front connecting arm 127, the third front connecting arm 128 and the fourth front connecting arm 129 can be adjusted, the rear ends of the first front connecting arm 126, the second front connecting arm 127, the third front connecting arm 128 and the fourth front connecting arm 129 are respectively connected with the front ends of the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413, and the height adjustment of the transverse connecting arm 62 enables the soil penetration angles of the first furrow plough 410, the second furrow plough 411, the third furrow plough 412 and the fourth furrow plough 413 to be adjusted.

The rear height adjusting frame comprises rear connecting seats 70, a rear connecting arm 71, a gear adjusting plate 72, a height adjusting plate 73, a left connecting plate 74, a right connecting plate 75 and a rotary column 76, wherein the two rear connecting seats 70 are respectively assembled on the left side and the right side of the rear end of the main square frame 120, the left end and the right end of the rotary column 76 are respectively fixedly connected with the two rear connecting seats 70, one end of the left connecting plate 74 is connected with the left end of the rotary column 76, the other end of the left connecting plate is connected with the left end of the rear connecting arm 71, one end of the right connecting plate 75 is connected with the right end of the rotary column 76, the other end of the right connecting plate is connected with the right end of the rear connecting arm 71, one end of the gear adjusting plate 72 is assembled on the rear connecting seats 70, the other end of the gear adjusting. The front height adjusting frame and the rear height adjusting frame can respectively adjust the ditching angles of the first ditching plow 410, the second ditching plow 411, the third ditching plow 412 and the fourth ditching plow 413, so as to adjust the ditching depth.

Claims

1. The utility model provides a quantitative fertilizer injection unit is used in agriculture and forestry which characterized in that: the quantitative fertilizing device for agriculture comprises a frame body, a traction frame, a traveling wheel and a quantitative ditching and fertilizing device, wherein the traction frame is assembled at the front end of the frame body, the traveling wheel is assembled on the frame body, and the quantitative ditching and fertilizing device is assembled in the middle of the frame body; the quantitative ditching and fertilizer spreading device comprises a ditching plow, a material guide pipe and a quantitative spreading device, wherein the quantitative spreading device is assembled on the frame body, one end of the material guide pipe is communicated with the quantitative spreading device, and the other end of the material guide pipe is communicated with the ditching plow.

2. The quantitative fertilization device for agriculture and forestry as claimed in claim 1, wherein: the frame body comprises a bogie and a main frame body, the bogie is assembled at the front end of the main frame body, and one end of the traction frame is connected with the bogie; the quantitative ditching and fertilizing device is assembled on the main frame body, the walking wheels comprise guiding walking wheels, left walking wheels and right walking wheels, the guiding walking wheels are assembled on the bogie, the left walking wheels are assembled on the left side of the main frame body, and the right walking wheels are assembled on the right side of the main frame body.

3. The quantitative fertilization device for agriculture and forestry as claimed in claim 2, wherein: the bogie comprises a first arc-shaped connecting arm, a second arc-shaped connecting arm, a connecting circular tube, a rotating column and a U-shaped connecting frame, one end of the first arc-shaped connecting arm is fixedly connected with the front end of the main frame body, the other end of the first arc-shaped connecting arm is connected with the connecting circular tube, one end of the second arc-shaped connecting arm is fixedly connected with the front end of the main frame body, the other end of the second arc-shaped connecting arm is connected with the connecting circular tube, the upper end of the rotating column extends into the connecting circular tube, the lower end of the rotating column is fixedly connected with the upper end of the U-; the upper end of the U-shaped connecting frame is assembled with the connecting lug seat, and one end of the traction frame is hinged with the connecting lug seat.

4. The quantitative fertilization device for agriculture and forestry as claimed in claim 2, wherein: the quantitative spreading device comprises a first quantitative spreading device and a second quantitative spreading device, the first quantitative spreading device and the second quantitative spreading device have the same structure, and the first quantitative spreading device and the second quantitative spreading device respectively comprise a transmission gear set, a material shifting device, a material receiving disc and a material shifting rotating shaft;

5. The quantitative fertilization device for agriculture and forestry as claimed in claim 4, wherein: the material shifting device comprises a material shifting disc, a cone material guide block and a plurality of material limiting partition plates, one end of each material limiting partition plate is connected with the bottom edge of the cone material guide block, the other end of each material limiting partition plate is fixedly connected with the inner edge of the material shifting disc, the material limiting partition plates are uniformly and radially distributed between the material shifting disc and the cone material guide block, each two adjacent material limiting partition plates form a material limiting area, and the size of each material limiting area is the same.

6. The quantitative fertilization device for agriculture and forestry as claimed in claim 5, wherein: the material shifting device further comprises a left material limiting block and a right material limiting block, the left material limiting block is fixedly assembled on the left side of the material shifting disc, and the right material limiting block is fixedly assembled on the right side of the material shifting disc.

7. The quantitative fertilization device for agriculture and forestry as claimed in claim 4, wherein: the transmission gear set comprises a driving gear, a driven gear, a transmission rotating shaft, a first helical gear and a second helical gear, the two driving gears are assembled with the wheel shaft ends of the left traveling wheel and the right traveling wheel respectively, the driven gear is meshed with the driving gear, one end of the transmission rotating shaft is assembled with the driven gear, the other end of the transmission rotating shaft is assembled with the first helical gear, the second helical gear is meshed with the first helical gear, the second helical gear of the first quantitative spreading device is assembled with the lower end of the material stirring rotating shaft, and the second helical gear of the second quantitative spreading device is assembled with the lower end of the material stirring rotating shaft.

8. The quantitative fertilization device for agriculture and forestry as claimed in claim 5, wherein: the body frame body includes main square frame, left side U type frame, right side U type frame, hand push U type frame, first fixed arm and second fixed arm, the left end of first fixed arm and second fixed arm is joined in marriage the left side at main square frame, the right-hand member is joined in marriage the right side of dress at main square frame, left side U type frame is joined in marriage the left side of dress at main square frame, right side U type frame is joined in marriage the right side of dress at main square frame, the left side and the right side of fixed dress at main square frame's rear end are respectively joined in marriage to the both ends of hand push U type frame, the face at hand push U type frame place is less than 70 degrees with the contained angle of the face at main square frame place, first volume is broadcast the device and the second volume is broadcast the connecing the material disc that connects that the device was scattered all fixedly to the dress on.

9. The quantitative fertilization device for agriculture and forestry as claimed in claim 8, wherein: the main frame body further comprises a front height adjusting frame, a rear height adjusting frame, a first front connecting arm, a second front connecting arm, a third front connecting arm, a fourth front connecting arm, a first rear connecting arm, a second rear connecting arm, a third rear connecting arm, a fourth rear connecting arm, a first balancing weight, a second balancing weight, a third balancing weight, a fourth balancing weight, a first connecting chain, a second connecting chain, a third connecting chain and a fourth connecting chain, wherein the front height adjusting frame is assembled at the front end of the main square frame, and the rear height adjusting frame is assembled at the rear end of the main square frame;

10. The quantitative fertilization device for agriculture and forestry as claimed in claim 9, wherein: the front height adjusting frame comprises a left vertical adjusting plate, a right vertical adjusting plate and a transverse connecting arm, the upper end of the left vertical adjusting plate is connected to the left side of the front end of the main square frame, the upper end of the right vertical adjusting plate is connected to the right side of the front end of the main square frame, a plurality of mounting holes are respectively formed in the left vertical adjusting plate and the right vertical adjusting plate and are vertically arranged, the left end of the transverse connecting arm is assembled with the mounting hole of the left vertical adjusting plate, the right end of the transverse connecting arm is assembled with the mounting hole of the right vertical adjusting plate, and the front ends of the first front connecting arm, the second front connecting arm, the third front connecting arm and the fourth front connecting arm;