CN115088447A

CN115088447A - Orchard fertilizer distributor

Info

Publication number: CN115088447A
Application number: CN202210917350.9A
Authority: CN
Inventors: 王学军; 彭振丽; 王涛
Original assignee: Shanxi Agricultural Radio And Television School Datong Branch
Current assignee: Shanxi Agricultural Radio And Television School Datong Branch
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-09-23

Abstract

The invention discloses an orchard fertilizer applicator, which comprises a tractor body and a first reduction gearbox, wherein a pressure-bearing platform is fixedly arranged on the first reduction gearbox, a fertilizer application device, a backfill device and a pressure application device are sequentially arranged on the pressure-bearing platform from left to right, a second reduction gearbox is arranged above the fertilizer application device, a first gear is sleeved at the output end of the side part of the second reduction gearbox, one end of the first reduction gearbox, which is far away from the soil, drives a second gear through an output shaft, the first gear and the second gear are driven through a chain, the chain between the first gear and the second gear can drive a third gear, a first auger shaft is arranged in the bottom of a fertilizer box, two ends of the first auger shaft extend to an extension box, a driving gear is sleeved at the end of the first auger shaft, first auger blades which are symmetrical to each other are arranged on the first auger shaft in the extension box, and discharge holes are uniformly distributed at the bottom of the extension box. The invention has the advantages that: high working efficiency, preventing fertilizer damage and avoiding soil moisture loss.

Description

Orchard fertilizer distributor

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to an orchard fertilizer applicator.

Background

The agricultural machinery comprises agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like, and the fertilizing device is machinery for fertilizing in the agricultural production process; in orchard planting, fertilization is one of important links for promoting the yield of fruit trees; at present, ditching and fertilizing of an orchard basically adopt one person to ditch and one person to spread fertilizer in a ditch and cover the fertilizer, so that the labor intensity is high, and the working efficiency is low; in order to improve the working efficiency, a ditcher is used for digging a ditch, fertilizer is scattered in the ditch, and then the ditch is covered by manpower or a backfiller, if the backfiller is needed, the investment of machinery is needed to be increased; in addition, the fertilizer is placed in the ditch and then covered, so that the fertilizer is gathered, the root is absorbed unevenly, the growth period of the crops is prolonged due to excessive application of the nitrogen fertilizer, the growth period is mainly represented by thin cell wall, soft plants and easy lodging and disease invasion, and the crops are yellowed due to excessive application of the phosphate fertilizer, so that the fertilizer is not uniformly mixed with the soil, and the fertilizer damage can occur; after the soil is backfilled, the soil is loosened, and the water loss in the soil is aggravated. Therefore, it is important to solve the above problems.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the orchard fertilizer distributor which has high working efficiency, prevents fertilizer damage and avoids soil moisture loss.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an orchard fertilizer applicator comprises a tractor body, a first reduction gearbox, a main ditching cutter, an auxiliary ditching cutter and an arc-section shield, wherein the tractor body can drive the first reduction gearbox, one end of the first reduction gearbox, which is close to the soil, drives the main ditching cutter through an output shaft, the bottom of the first reduction gearbox, which is at a position corresponding to the main ditching cutter, is fixedly provided with the auxiliary ditching cutter, the middle of the first reduction gearbox, which is at a position corresponding to the main ditching cutter, is provided with the arc-section shield, the main ditching cutter and the auxiliary ditching cutter are mutually matched for ditching, the first reduction gearbox is fixedly provided with a pressure-bearing platform, the pressure-bearing platform is sequentially provided with a fertilizer applying device, a backfilling device and a pressure applying device from left to right, the fertilizer applying device can put fertilizer on the soil at two sides of a ditch, the backfilling device can evenly mix the soil at the two sides of the ditch and place the fertilizer in the ditch, the pressure applying device can compact the soil and the fertilizer in the ditch, the fertilizer applying device can slide back and forth on the pressure-bearing platform, the fertilizer applying device is characterized in that a second reduction gearbox is arranged above the fertilizer applying device, the second reduction gearbox is fixedly arranged on a handrail of a tractor body, an output end of the side part of the second reduction gearbox is sleeved with a first gear, one end of the first reduction gearbox, which is far away from the ground, drives a second gear through an output shaft, an electromagnetic clutch is arranged between the second gear and the contact surface of the output shaft, the first gear and the second gear are driven through a chain, the chain between the first gear and the second gear can drive a third gear, the third gear is sleeved on a crankshaft, the crankshaft is arranged on a bearing platform through a first group of bearing seats, the fertilizer applying device comprises a fertilizer box, an extension box, a first auger shaft, a first auger blade, a one-way bearing, a driving gear, a driving rack, a supporting body and a stirring rod, a gap is arranged on the bearing platform at the position corresponding to the fertilizer box, the fertilizer box is arranged in the gap, and a chute is arranged on the gap between the contact surface of the fertilizer box and the gap, be equipped with the slider on the fertilizer can between fertilizer can and the breach contact surface, the spout is arranged in to the slider, be connected through the connecting rod between fertilizer can and the bent axle, the built-in puddler of fertilizer can, the puddler is driven by the second reducing gear box, the box is extended in fertilizer can bottom both sides intercommunication, the built-in first hank dragon axle in fertilizer can bottom, first hank dragon axle both ends all extend arrange in extend the box and run through extend the box and be equipped with drive gear at the tip cover, be equipped with one-way bearing between drive gear and the first hank dragon axle tip, drive gear meshing drive rack, drive rack installs on the supporter, supporter fixed mounting is in the pressure-bearing platform bottom, arrange in the epaxial first auger leaf that is equipped with mutual symmetry of first auger in the extension box, extension bottom of the case portion evenly distributed is equipped with the relief hole.

Further, the backfilling device comprises an earth covering cover, a second auger shaft, a second auger blade, a central shaft, a bearing sleeve, a first transmission gear, a second transmission gear, a third transmission gear, a transmission shaft, a fourth gear, an arc-section bidirectional rack, an inner transmission gear, an outer transmission gear, a worm and a motor, the earth covering cover is internally provided with the second auger shaft, the second auger shaft is provided with the second auger blades which are symmetrical to each other, the center of the second auger shaft is provided with the first transmission gear, the first transmission gear transmits the second transmission gear through a chain, the second transmission gear is sleeved on the central shaft, the bearing sleeve is arranged between the contact surface of the second transmission gear and the central shaft, the two ends of the central shaft are provided with a second group of bearing seats and a third group of bearing seats, the second group of bearing seats are arranged at the top of the earth covering cover, the third group of bearing seats are arranged at the bottom of the pressure-bearing platform, the second transmission gear transmits the third transmission gear through a chain, the third transmission gear is sleeved on the transmission shaft, the transmission shaft is installed at the top of the pressure-bearing platform through a fourth group of bearing seats, one end of the transmission shaft is sleeved with a fourth gear, the fourth gear drives the first gear through a chain, an arc-section bidirectional rack extending towards the direction of the pressure-bearing platform is arranged on the soil covering cover, the arc-section bidirectional rack penetrates through the pressure-bearing platform, an inner transmission gear is rotatably arranged on the pressure-bearing platform at a position corresponding to the inner side of the arc-section bidirectional rack, an outer transmission gear is rotatably arranged on the pressure-bearing platform at a position corresponding to the outer side of the arc-section bidirectional rack, a worm gear is coaxially arranged on the outer transmission gear, the worm gear is meshed with a worm, the worm is installed on the pressure-bearing platform through a fifth group of bearing seats, and the worm is driven by a motor.

Further, the biasing means includes the soil cover, the soil roller presses, the uide bushing, the seat that goes up and down, buffer spring, the pendulum rod, remove the seat, positive and negative tooth lead screw, the handle, telescopic link and T type supporting seat, positive and negative tooth lead screw is installed in the pressure-bearing platform bottom through sixth group bearing, symmetrical threaded connection is equipped with a set of seat that moves on the positive and negative tooth lead screw, positive and negative tooth lead screw one of them end is equipped with the handle, it has the pendulum rod all to articulate on the seat that moves, the pendulum rod all articulates on the seat that goes up and down, the seat that goes up and down is arranged in the uide bushing, the uide bushing is installed in the top central point of soil cover that presses, be equipped with buffer spring between seat and the soil cover, press the built-in soil roller of soil cover, the fixed T type supporting seat that is equipped with in top both sides of soil cover, T type supporting seat top rotates to be connected, the telescopic link runs through the pressure-bearing platform perpendicularly.

Further, T type supporting seat top between T type supporting seat and the telescopic link contact surface is equipped with U type groove, and U type groove is arranged in to the telescopic link, and U type groove lateral part between telescopic link and the U type groove contact surface is equipped with rectangular counter bore, and the telescopic link lateral part between telescopic link and the U type groove contact surface is equipped with the arch, and the arch is arranged in rectangular counter bore.

Compared with the prior art, the invention has the advantages that: the fertilizer applying device can put fertilizer on the soil on two sides of the ditch instead of directly putting the fertilizer in the ditch, so that fertilizer accumulation can be avoided, the fertilizer damage can be prevented, and the fertilizer applying device can slide back and forth on the pressure bearing platform, so that the fertilizer can be put on the soil in a multi-level manner, and the uniform putting can be realized; the backfill device can uniformly mix soil and fertilizer on two sides of the ditch and then place the mixture in the ditch, so that the fertilizer is uniformly distributed in the soil, when the upper and lower positions are adjusted, the worm drives the worm gear, the worm gear can drive the coaxial outer transmission gear, the outer transmission gear drives the arc-section bidirectional rack, and the arc-section bidirectional rack carries the earthing cover to rotate around the central shaft, so that the adjustment of the upper and lower positions of the backfill device is realized, the inner transmission gear is matched with the outer transmission gear, the arc-section bidirectional rack is prevented from being separated from the outer transmission gear in the transmission process, and the transmission stability is improved; the pressing device can compact the soil and the fertilizer backfilled into the ditch, and the compacted soil can reduce the loss of water per se so as to lock the water; the place that the slope appears in the ground, T type supporting seat and telescopic link mutually support, make pressure device ability horizontal hunting, during the swing, can use positive and negative tooth lead screw as the center, positive and negative tooth lead screw can carry the removal seat and rotate on sixth group bearing frame, at the rotation in-process, the removal seat can not remove on the lead screw, thereby the upper and lower position that can not change pressure device also can make press the soil roller coincide with ground, when rotating, T type supporting seat synchronous rotation, T type supporting seat can push-and-pull lifter reciprocate perpendicularly, make arch on the lifter remove in the rectangular counter bore on T type supporting seat, guarantee pressure device's stability.

Drawings

Fig. 1 is a front view of the orchard fertilizer applicator in schematic structure.

Fig. 2 is a rear view of the orchard fertilizer applicator in schematic structure.

Fig. 3 is a front sectional view showing the structure of the orchard fertilizer applicator.

Fig. 4 is an enlarged structural schematic diagram of the direction A of the orchard fertilizer applicator shown in fig. 3.

Fig. 5 is a schematic structural view of a main ditching cutter and an auxiliary ditching cutter of the orchard fertilizer applicator for ditching.

Fig. 6 is a schematic structural view of a fertilizing device of an orchard fertilizer applicator, wherein fertilizer is shown to be spread on the soil on both sides of a ditch.

Fig. 7 is a schematic structural diagram of a backfilling device of the orchard fertilizer applicator, wherein fertilizer and soil are uniformly mixed and backfilled into a ditch.

Fig. 8 is a schematic structural view of a pressing device of an orchard fertilizer applicator, in which an earth pressing roller is shown to operate on a horizontal ground.

Fig. 9 is a schematic structural diagram of a pressure applying device of an orchard fertilizer applicator, wherein the pressure applying roller runs on a sloping ground, and the positive and negative lead screws rotate around a sixth group of bearing seats.

In the figure, 1, a tractor body, 2, a first reduction gearbox, 3, a main slotting cutter, 4, an auxiliary slotting cutter, 5, an arc section shield, 6, a pressure-bearing platform, 7, a second reduction gearbox, 8, a first gear, 9, a second gear, 10, an electromagnetic clutch, 11, a third gear, 12, a crankshaft, 13, a first group of bearing seats, 14, a fertilizer box, 15, an extension box, 16, a first auger shaft, 17, a first auger blade, 18, a one-way bearing, 19, a driving gear, 20, a driving rack, 21, a support body, 22, a stirring rod, 23, a notch, 24, a chute, 25, a sliding block, 26, a connecting rod, 27, a discharge hole, 28, a soil covering cover, 29, a second auger shaft, 30, a second auger blade, 31, a central shaft, 32, a bearing sleeve, 33, a first transmission gear, 34, a second transmission gear, 35, a third transmission gear, 36, a transmission shaft, 37 and a fourth gear, 38. the hydraulic press comprises an arc-section bidirectional rack, 39, an inner transmission gear, 40, an outer transmission gear, 41, a worm gear, 42, a worm, 43, a motor, 44, a second group of bearing seats, 45, a third group of bearing seats, 46, a fourth group of bearing seats, 47, a fifth group of bearing seats, 48, a soil press cover, 49, a soil press roller, 50, a guide sleeve, 51, a lifting seat, 52, a buffer spring, 53, a swing rod, 54, a movable seat, 55, a positive and negative threaded screw, 56, a handle, 57, a telescopic rod, 58. T-shaped supporting seat, 59, a sixth group of bearing seats, 60, a U-shaped groove, 61, a long-strip counter bore and 62 protrusions.

Detailed Description

The following examples are given to further illustrate the present invention and are not to be construed as limiting the scope of the invention, which is intended to be covered by the claims.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-5, the orchard fertilizer applicator comprises a tractor body 1, a first reduction gearbox 2, a main ditching cutter 3, an auxiliary ditching cutter 4 and an arc-section shield 5, wherein the tractor body 1 can drive the first reduction gearbox 2, one end of the first reduction gearbox 2 close to the soil drives the main ditching cutter 3 through an output shaft, the auxiliary ditching cutter 4 is fixedly arranged at the bottom of the first reduction gearbox 2 at the position corresponding to the main ditching cutter 3, the arc-section shield 5 is arranged at the middle part of the first reduction gearbox 2 at the position corresponding to the main ditching cutter 3, in figure 5, the main ditching cutter 3 and the auxiliary ditching cutter 4 are mutually matched to ditch the soil, the arc-section shield 5 can place the soil ditched by the main ditching cutter 3 and the auxiliary ditching cutter 4 at two sides of a ditch, a pressure-bearing platform 6 is fixedly arranged on the first reduction gearbox 2, a fertilizer applying device, a backfilling device and a pressure applying device are sequentially arranged on the pressure-bearing platform 6 from left to right, the fertilizer applying device, the backfilling device and the pressure applying device are matched with each other, the fertilizer applying device can put fertilizer on soil on two sides of the ditch instead of directly putting the fertilizer in the ditch, so that the fertilizer can be prevented from being accumulated, and the fertilizer damage can be prevented, the backfilling device can uniformly mix the soil on two sides of the ditch with the fertilizer and then place the mixture in the ditch, so that the fertilizer is uniformly distributed in the soil, the pressure applying device can compact the soil and the fertilizer backfilled in the ditch, the compacted soil can reduce the loss of water per se, so as to lock the water, the fertilizer applying device can slide back and forth on the pressure bearing platform 6, so that the fertilizer can be put on the soil in multiple layers, so that the uniform putting is realized, a second reduction gearbox 7 is arranged above the fertilizer applying device, the second reduction gearbox 7 is fixedly arranged on a hand holding rod of the tractor body 1, and the output end at the side part of the second reduction gearbox 7 is sleeved with a first gear 8, one end of the first reduction gearbox 2, which is far away from the ground, is used for driving a second gear 9 through an output shaft, an electromagnetic clutch 10 is arranged between the contact surface of the second gear 9 and the output shaft, the first gear 8 and the second gear 9 are driven through a chain, the chain between the first gear 8 and the second gear 9 can drive a third gear 11, the second gear 9 can be controlled to drive the first gear 8 and the third gear 11 by opening or closing the electromagnetic clutch 10, the third gear 11 is sleeved on a crankshaft 12, the crankshaft 12 is arranged on a pressure-bearing platform 6 through a first group of bearing seats 13, as shown in figure 6, the fertilizer applying device comprises a fertilizer box 14, an extension box 15, a first auger shaft 16, a first auger blade 17, a one-way bearing 18, a driving gear 19, a driving rack 20, a supporting body 21 and a stirring rod 22, a notch 23 is arranged on the pressure-bearing platform 6 at a position corresponding to the fertilizer box 14, and the length of the notch 23 is greater than that of the fertilizer box 14, the fertilizer box 14 is arranged in the notch 23, the notch 23 between the contact surfaces of the fertilizer box 14 and the notch 23 is provided with a sliding groove 24, the fertilizer box 14 between the contact surfaces of the fertilizer box 14 and the notch 23 is provided with a sliding block 25, the sliding block 25 is arranged in the sliding groove 24, the fertilizer box 14 is connected with the crankshaft 12 through a connecting rod 26, the crankshaft 12 drives the connecting rod 26 along with the continuous rotation of the crankshaft 12, the connecting rod 26 can push and pull the fertilizer box 14 to move back and forth in the notch 23, the stirring rod 22 is arranged in the fertilizer box 14 and is driven by the second reduction gearbox 7, the stirring rod 22 can stir the fertilizer in the fertilizer box 14 to crush the caked fertilizer and prevent the fertilizer from hardening, the two sides of the bottom of the fertilizer box 14 are communicated with the extension box 15, the first auger shaft 16 is arranged in the bottom of the fertilizer box 14, the two ends of the first auger shaft 16 extend to the extension box 15 and penetrate through the extension box 15 to form a driving gear 19 at the end part, a one-way bearing 18 is arranged between the driving gear 19 and the end part of the first auger shaft 16, the driving gear 19 is meshed with a driving rack 20, the driving rack 20 is arranged on a supporting body 21, the supporting body 21 is fixedly arranged at the bottom of the pressure-bearing platform 6, first auger blades 17 which are symmetrical to each other are arranged on the first auger shaft 16 arranged in the extension box 15, discharge holes 27 are uniformly distributed at the bottom of the extension box 15, the driving gear 19 is meshed with the driving rack 20, the driving gear 19 can move back and forth in a gap 23 along with the fertilizer box 14, the driving rack 20 is fixed on the pressure-bearing platform 6 through the supporting body 21 to be stationary, so that the driving gear 19 can rotate around the axis thereof under the action of the driving rack 20, the driving gear 19 can rotate to drive the first auger shaft 16, the first auger shaft 16 can rotate to drive the first auger blades 17 which are symmetrical to be arranged on the first auger blades 17, and can transmit fertilizer to the extension box 15 through the fertilizer box 14, finally fertilizer is discharged through the relief hole 27 on the extension case 15, in addition, because be equipped with one-way bearing 18 between drive gear 19 and the first hank dragon axle 16 tip, just can realize that drive gear 19 drives first hank dragon axle 16 and rotates along same direction, and for the interval rotates, has avoided the continuous income of fertilizer to extend case 15 in, the effectual jam that prevents.

As shown in fig. 7, the backfilling device comprises a soil covering cover 28, a second auger shaft 29, a second auger blade 30, a central shaft 31, a bearing sleeve 32, a first transmission gear 33, a second transmission gear 34, a third transmission gear 35, a transmission shaft 36, a fourth gear 37, an arc-section bidirectional rack 38, an inner transmission gear 39, an outer transmission gear 40, a worm gear 41, a worm 42 and a motor 43, the second auger shaft 29 is arranged in the soil covering cover 28, the second auger shaft 29 is provided with the second auger blades 30 which are symmetrical to each other, the second auger blades 30 are correspondingly arranged above two sides of the trench, the second auger blades 30 can push soil and fertilizer into the trench, the soil and the fertilizer can be mixed in the pushing process, the first transmission gear 33 is arranged in the center of the second auger shaft 29, the first transmission gear 33 drives the second transmission gear 34 through a chain, the central shaft 31 of the second transmission gear 34 is sleeved on the central shaft 31, the bearing sleeve 32 is arranged between the contact surface of the second transmission gear 34 and the central shaft 31, in fig. 3 and 4, the soil covering cover 28 is provided with an arc-section bidirectional rack 38 extending towards the direction of the pressure-bearing platform 6, the arc-section bidirectional rack 38 penetrates through the pressure-bearing platform 6, the arc-section bidirectional rack 38 is coaxial with the central shaft 31, the pressure-bearing platform 6 at a corresponding position inside the arc-section bidirectional rack 38 is rotatably provided with an inner transmission gear 39, the pressure-bearing platform 6 at a corresponding position outside the arc-section bidirectional rack 38 is rotatably provided with an outer transmission gear 40, the outer transmission gear 40 is coaxially provided with a worm gear 41, the worm gear 41 is meshed with a worm 42, the worm 42 is installed on the pressure bearing platform 6 through a fifth set of bearing seats 47, the worm 42 is driven by a motor 43, when the backfill device is adjusted in the vertical position, the motor 43 is started, the motor 43 drives the worm 42, the worm 42 drives the worm gear 41, the worm gear 41 can drive the coaxial outer transmission gear 40, the outer transmission gear 40 drives the arc-segment bidirectional rack 38, the arc-segment bidirectional rack 38 carries the soil covering cover 28 to rotate around the central shaft 31, so that the vertical position of the backfill device is adjusted, the inner transmission gear 39 is matched with the outer transmission gear 40 to prevent the arc-segment bidirectional rack 38 from separating from the outer transmission gear 40 in the transmission process, the transmission stability is improved, in addition, the main characteristic of the worm gear 41 and the worm 42 transmission is that the transmission ratio is large, the self-locking performance is good, after the backfill position is adjusted, the motor 43 is turned off.

As shown in fig. 8 and 9, the pressing device includes a soil press cover 48, a soil press roller 49, a guide sleeve 50, a lift seat 51, a buffer spring 52, a rocker 53, a movable seat 54, a front and rear threaded rods 55, a handle 56, a telescopic rod 57 and a T-shaped support seat 58, the front and rear threaded rods 55 are mounted on the bottom of the pressure platform 6 through a sixth set of bearing seats 59, a set of movable seats 54 are symmetrically screwed on the front and rear threaded rods 55, the handle 56 is provided at one end of the front and rear threaded rods 55, the rocker 53 is hinged on each of the movable seats 54, the rocker 53 is hinged on the lift seat 51, the lift seat 51 is disposed in the guide sleeve 50, the guide sleeve 50 is mounted at the top center position of the soil press cover 48, in fig. 1, when the up and down positions of the pressing device are adjusted, the handle 56 is rotated, the handle 56 drives the front and rear threaded rods 55, the movable seats 54 are driven to move closer to and farther away from each other, the movable seats 54 move closer to each other to make the included angle between the rockers 53 smaller, accordingly, the rocker 53 pushes the elevator base 51, the elevator base 51 pushes the soil cover 48 to move in the ground direction, downward adjustment is achieved, the moving base 54 moves away from each other to increase the included angle between the rockers 53, the rocker 53 pulls the elevator base 51, the elevator base 51 pulls the soil cover 48 to move in the direction of the pressure-bearing platform 6, upward adjustment is achieved, the buffer spring 52 is provided between the elevator base 51 and the soil cover 48 to buffer the impact force and prolong the service life of the pressing device, the soil roller 49 is provided in the soil cover 48 to press the soil in the trench, the T-shaped support bases 58 are fixedly provided on both sides of the top of the soil cover 48, the top of the T-shaped support bases 58 rotatably connect the telescopic rods 57, the telescopic rods 57 vertically penetrate the pressure-bearing platform 6, and the T-shaped support bases 58 and the telescopic rods 57 cooperate with each other to prevent the pressing device from swinging back and forth; the top of the T-shaped support 58 between the contact surfaces of the T-shaped support 58 and the telescopic rod 57 is provided with a U-shaped groove 60, the telescopic rod 57 is arranged in the U-shaped groove 60, the side part of the U-shaped groove 60 between the contact surfaces of the telescopic rod 57 and the U-shaped groove 60 is provided with a long counter bore 61, the side part of the telescopic rod 57 between the contact surfaces of the telescopic rod 57 and the U-shaped groove 60 is provided with a protrusion 62, the protrusion 62 is arranged in the long counter bore 61, in the situation that the T-shaped support 58 and the telescopic rod 57 are matched with each other in the figure 9, so that the pressure device can swing left and right, when swinging, the positive and negative lead screws 55 are used as centers, the positive and negative lead screws 55 can carry the movable seat 54 to rotate on the sixth group of bearing seats 59, in the rotating process, the movable seat 54 cannot move on the positive and negative lead screws 55, the soil pressing roller 49 can be matched with the ground without changing the up and down position of the pressure device, when the rotating, the T-shaped support 58 synchronously rotates, the T-shaped support base 58 pushes and pulls the telescopic rod 57 to vertically move up and down, so that the protrusion 62 on the telescopic rod 57 moves in the long-strip-shaped counter bore 61 on the T-shaped support base 58, and the stability of the pressing device is guaranteed.

Claims

1. The utility model provides an orchard fertilizer distributor, includes tractor body (1), first reducing gear box (2), main ditching sword (3), assists ditching sword (4) and segmental arc guard shield (5), tractor body (1) can drive first reducing gear box (2), and output shaft transmission main ditching sword (3) are passed through to the one end that first reducing gear box (2) are close to the soil, and main ditching sword (3) correspond the position first reducing gear box (2) bottom is fixed to be equipped with assists ditching sword (4), and first reducing gear box (2) middle part that main ditching sword (3) correspond the position is equipped with segmental arc guard shield (5), and main ditching sword (3) and assist ditching sword (4) mutually support and be used for the ditching, its characterized in that: the fertilizer applying device can be used for putting fertilizer on soil on two sides of the ditch, the backfilling device can be used for uniformly mixing the soil on two sides of the ditch and placing the mixture in the ditch after uniformly mixing the soil and the fertilizer, the pressing device can be used for compacting the soil and the fertilizer backfilled in the ditch, the fertilizer applying device can slide back and forth on the pressure bearing platform (6), a second reduction gearbox (7) is arranged above the fertilizer applying device, the second reduction gearbox (7) is fixedly arranged on a handrail of the tractor body (1), a first gear (8) is sleeved at the output end of the side part of the second reduction gearbox (7), and a second gear (9) is driven by an output shaft at one end, far away from the soil, of the first reduction gearbox (2), be equipped with electromagnetic clutch (10) between second gear (9) and the output shaft contact surface, first gear (8) with through chain drive between second gear (9), first gear (8) with chain between second gear (9) can drive third gear (11), third gear (11) cover is established on bent axle (12), bent axle (12) are installed through first set of bearing frame (13) on bearing platform (6), fertilizer injection unit includes fertilizer box (14), extension box (15), first auger axle (16), first auger leaf (17), one-way bearing (18), drive gear (19), drive rack (20), supporter (21) and puddler (22), fertilizer box (14) correspond the position be equipped with breach (23) on bearing platform (6), fertilizer box (14) are installed in breach (23), the fertilizer box (14) with be equipped with spout (24) on breach (23) between breach (23) the contact surface, fertilizer box (14) with be equipped with slider (25) on fertilizer box (14) between breach (23) the contact surface, slider (25) are arranged in spout (24), fertilizer box (14) with be connected through connecting rod (26) between bent axle (12), fertilizer box (14) are built-in puddler (22), puddler (22) by second reducing gear box (7) drive, fertilizer box (14) bottom both sides intercommunication extend case (15), fertilizer box (14) bottom is built-in first hank dragon axle (16), first hank dragon axle (16) both ends all extend to be arranged in extend case (15) and run through extend case (15) are equipped with at the tip cover drive gear (19), drive gear (19) with be equipped with between first hank imperial axle (16) tip one-way bearing (18), drive gear (19) meshing drive rack (20), drive rack (20) are installed on supporter (21), supporter (21) fixed mounting is in pressure-bearing platform (6) bottom, arranges in extend in case (15) be equipped with mutual symmetry on first hank imperial axle (16) first auger leaf (17), it is equipped with relief hole (27) to extend case (15) bottom evenly distributed.

2. An orchard fertilizer distributor according to claim 1, characterized in that: the backfilling device comprises an earth covering cover (28), a second auger shaft (29), a second auger leaf (30), a central shaft (31), a bearing sleeve (32), a first transmission gear (33), a second transmission gear (34), a third transmission gear (35), a transmission shaft (36), a fourth gear (37), an arc-section bidirectional rack (38), an inner transmission gear (39), an outer transmission gear (40), a worm wheel (41), a worm (42) and a motor (43), wherein the earth covering cover (28) is internally provided with the second auger shaft (29), the second auger leaf (30) is symmetrically arranged on the second auger shaft (29), the first transmission gear (33) is arranged at the center of the second auger shaft (29), the first transmission gear (33) is in transmission through a chain, the second transmission gear (34) is sleeved on the central shaft (31), second drive gear (34) with be equipped with between center pin (31) the contact surface bearing housing (32), center pin (31) both ends are equipped with second group bearing frame (44) and third group bearing frame (45), second group bearing frame (44) are installed earthing cover (28) top, third group bearing frame (45) are installed bearing platform (6) bottom, second drive gear (34) are through chain drive third drive gear (35), third drive gear (35) cover is established on transmission shaft (36), transmission shaft (36) are installed through fourth group bearing frame (46) bearing platform (6) top, one of them pot head of transmission shaft (36) is equipped with fourth gear (37), fourth gear (37) are through chain drive first gear (8), be equipped with on earthing cover (28) to bearing platform (6) direction extension the two-way tooth of segmental arc The arc-section bidirectional rack (38) penetrates through the pressure-bearing platform (6), the inner side of the arc-section bidirectional rack (38) corresponds to the position on the pressure-bearing platform (6) and is provided with the inner transmission gear (39) in a rotating mode, the outer side of the arc-section bidirectional rack (38) corresponds to the position on the pressure-bearing platform (6) and is provided with the outer transmission gear (40) in a rotating mode, the outer transmission gear (40) is coaxially provided with the worm wheel (41), the worm wheel (41) is meshed with the worm (42), the worm (42) is installed on the pressure-bearing platform (6) through a fifth group of bearing seats (47), and the worm (42) is driven by the motor (43).

3. An orchard fertilizer applicator according to claim 1, wherein: the pressing device comprises a soil pressing cover (48), a soil pressing roller (49), a guide sleeve (50), a lifting seat (51), a buffer spring (52), a swing rod (53), a moving seat (54), a positive and negative screw rod (55), a handle (56), a telescopic rod (57) and a T-shaped support seat (58), wherein the positive and negative screw rod (55) is installed at the bottom of the pressure bearing platform (6) through a sixth group of bearing seats (59), the positive and negative screw rod (55) is symmetrically connected with a group of the moving seat (54) in a threaded manner, one end of the positive and negative screw rod (55) is provided with the handle (56), the moving seat (54) is hinged with the swing rod (53), the swing rod (53) is hinged on the lifting seat (51), the lifting seat (51) is arranged in the guide sleeve (50), the guide sleeve (50) is installed at the top center position of the soil pressing cover (48), the utility model provides a hydraulic pressure is characterized in that go up and down seat (51) with be equipped with between soil cover (48) buffer spring (52), soil cover (48) embeds soil roller (49), the fixed T type supporting seat (58) that is equipped with in soil cover (48) top both sides, T type supporting seat (58) top is rotated and is connected telescopic link (57), telescopic link (57) run through perpendicularly pressure platform (6).

4. An orchard fertilizer applicator according to claim 3, wherein: t type supporting seat (58) with between telescopic link (57) contact surface T type supporting seat (58) top is equipped with U type groove (60), telescopic link (57) are arranged in U type groove (60), telescopic link (57) with between U type groove (60) contact surface U type groove (60) lateral part is equipped with rectangular counter bore (61), telescopic link (57) with between U type groove (60) contact surface telescopic link (57) lateral part is equipped with arch (62), arch (62) are arranged in rectangular counter bore (61).