CN109601265B - A earth preliminary treatment equipment for garden engineering - Google Patents

Abstract

The invention discloses soil pretreatment equipment for garden engineering, which comprises a working vehicle for treating soil and a storage box for storing compound fertilizer, wherein the working vehicle is provided with a material receiving mechanism for collecting the soil, a crushing mechanism for crushing blocky soil and a separating mechanism for separating the soil and stones; through the setting of above-mentioned structure, can effectual realization be to the preliminary treatment of the earth before the turf is laid, can directly collect earth and get rid of the stone in the earth again, improve the efficiency of getting rid of the stone, and can directly mix earth and fertilizer after direct discharge to lay on original position, realize automatic earth preliminary treatment's effect, can directly be simultaneously with the earth compaction, the effectual trouble of avoiding manual operation, very convenient and practical.

Description

A earth preliminary treatment equipment for garden engineering

Technical Field

The invention belongs to the technical field of garden planting, and particularly relates to soil pretreatment equipment for garden engineering.

Background

In modern society, the grass shoveled down with a thin layer of clay soil is used for laying a lawn, beautifying the environment, or laying the lawn on the surface of a bank to prevent scouring, all objects such as small stones within 30cm deep in the field need to be cleaned in the process of laying the turf, and in order to ensure the subsequent growth vigor of the lawn, a plurality of compound fertilizers can be properly scattered, and the uneven soil layer is leveled before laying, a document is disclosed in the present publication No. CN107360849A, the turf can be automatically laid and nutrient solution can be automatically sprayed, and manpower and material resources are saved; however, before the device is used for laying the turf, stones in soil need to be removed manually, the soil is pressed flatly manually, and the compound fertilizer is scattered manually, so that the device is very troublesome and time-consuming and labor-consuming.

Disclosure of Invention

The invention provides soil pretreatment equipment for garden engineering, which can automatically remove stones and compact soil and overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: an earth pretreatment device for garden engineering comprises a working vehicle for treating earth and a storage box for storing compound fertilizer, wherein the working vehicle is provided with a material receiving mechanism for collecting the earth, a crushing mechanism for crushing blocky earth and a separating mechanism for separating the earth and stones; through the setting of above-mentioned structure, can effectual realization be to the preliminary treatment of the earth before the turf is laid, can directly collect earth and get rid of the stone in the earth again, improve the efficiency of getting rid of the stone, and can directly mix earth and fertilizer after direct discharge to lay on original position, realize automatic earth preliminary treatment's effect, can directly be simultaneously with the earth compaction, the effectual trouble of avoiding manual operation, very convenient and practical.

Furthermore, the receiving mechanism comprises a conveying piece for conveying soil, a plurality of soil loosening pieces for loosening the soil on the ground and an excavating plate for collecting the loosened soil, wherein a cover shell is arranged on the surface of the driving piece, and the soil loosening pieces are arranged on the cover shell; through the setting of the piece that loosens the soil, required effort when can reduce the excavation earth for the digging blade is to the transport light laborsaving more of earth, has improved the efficiency of collecting to earth, and the setting of driving medium can carry the earth that the digging blade was collected, makes earth directly can carry so that carry out the breakage, the effectual efficiency of collecting to earth that has improved.

Furthermore, the crushing mechanism comprises a feed hopper for soil to enter, a spiral crushing rod for crushing blocky soil, a driving piece for driving the spiral crushing rod to crush soil and a crushing barrel for accommodating the spiral crushing rod to work; through the setting of above-mentioned feeder hopper to carry earth directly to carry out the breakage in the broken pole of spiral, improved the transport efficiency to earth, and the cooperation setting of broken pole of spiral and driving piece can effectually carry out broken handle to earth, makes massive earth can become powdered, so that with compound fertilizer mix and carry out outer defeated and lay earth.

Furthermore, the separating mechanism comprises a screen mesh for separating soil and stones, a shaking device for driving the drying net to shake, a conveying device for conveying the soil to the ground and a stone storage box for storing the separated stones, and an extending part is arranged at the tail end of the screen mesh; through the setting of above-mentioned screen cloth, can effectual realization carry out the effect of separating to the stone in earth and the earth for the stone in the earth can obtain effectual getting rid of, so that lay the turf on earth, and the setting of storage stone case can be stored the stone of isolating, avoids the stone to drop to the outside, leads to mixing the stone once more in the earth, influences laying of turf, and can carry out reuse to the stone, has saved the resource, and environmental protection very is practical.

Furthermore, the shaking device comprises a lug for driving the screen to shake, a transmission assembly for controlling the lug to drive the screen and a supporting device for supporting the screen to shake, wherein a plurality of baffles are arranged on the screen, and a conical bulge for assisting in crushing blocky soil is also arranged on the screen; through the setting of above-mentioned lug for the screen cloth can realize the effect of shake from top to bottom, so that the shake through the screen cloth realizes the separation effect to earth and stone, the effectual efficiency that carries out the separation to earth and stone that has improved, and the setting of baffle, be used for avoiding the screen cloth when the shake, earth splashes away, and the bellied setting of toper, can be effectual carry out broken effect once more to earth, strengthened the crushing effect of earth, improved the crushing efficiency of earth.

Further, the conveying device comprises a plurality of fixing plates for assisting in mixing of the soil and the compound fertilizer, a fixing box for supporting the fixing plates, a first discharge hole for conveying the mixture of the soil and the compound fertilizer, and a compacting piece for compacting the mixture, wherein a guide plate for guiding the mixture is arranged at the first discharge hole, and the compacting piece is movably connected with the guide plate through two connecting rods; through the setting of above-mentioned fixed plate, make earth and compound fertilizer can be at the fixed plate reciprocating flow, so that realize the mixed effect to earth and compound fertilizer at the in-process that flows, so that strengthen the mixed effect between earth and the compound fertilizer, and through the vibrations of work car during operation self, can accelerate the mobile speed of earth on the fixed plate, and the setting of compaction spare, make earth through the deflector outflow can directly lay subaerial, then realize the compaction to earth through the compaction spare, so that the better turf of laying, the effectual trouble of avoiding manual handling earth and compaction earth, laborsaving again is laborsaving.

Furthermore, the transmission assembly comprises a first transmission piece connected with the output shaft of the driving piece, a second transmission piece connected with the first transmission piece in a meshed mode, a third transmission piece connected with the second transmission piece through a transmission shaft and a fourth transmission piece connected with the third transmission piece in a meshed mode, and the lug is fixedly connected with the tail end of the transmission shaft; through the setting of above-mentioned structure for the lug can realize the rotatory effect of lug through the drive of first driving medium to the drive shaft, thereby can shake the drive to the screen cloth, makes the screen cloth shake on one side and separates earth and stone, has improved the separation effect of earth and stone, has reduced the setting of driving piece simultaneously, has reduced the maintenance cost, the effectual energy consumption that has saved.

Furthermore, the supporting device comprises a fixed cylinder sleeved on the lug, a fixed block fixedly connected with the fixed cylinder and a driving block for controlling the movement of the screen, wherein a telescopic groove is formed in the fixed block, a plurality of first elastic pieces fixedly connected with the driving block are arranged in the telescopic groove, and the driving block is movably connected with the screen; through the setting of above-mentioned fixed section of thick bamboo for the lug can drive fixed section of thick bamboo and realize the effect of rocking, so that drive the effect of screen cloth shake from top to bottom, make the screen cloth can separate earth and stone, and the cooperation setting of drive block and first elastic component, make the screen cloth have certain elasticity when shaking from top to bottom, loss when reducing the part shake, can assist the effect of realizing the lateral shifting of screen cloth simultaneously, the effectual separation efficiency who improves the screen cloth to earth and stone.

Furthermore, a driving rod for driving the screen to move is arranged on the fourth transmission part, the driving rod is movably connected with the screen, a sliding groove is formed in the bottom of the extending part, a sliding block matched with the sliding groove is arranged on the stone storage box, and a plurality of second elastic parts for controlling the screen to move are arranged between the extending part and the stone storage box; through the setting of above-mentioned structure, make the fourth driving medium can drive the actuating lever and act on the screen cloth, make the screen cloth can realize lateral shifting's effect, strengthen the screen cloth to the separation effect of earth and stone, and the cooperation setting of above-mentioned spout and slider, can avoid breaking away from of screen cloth bottom when the shake, provide the stability of screen cloth when the shake, guarantee simultaneously that the screen cloth can realize the effect that lateral shaking and upper and lower shake go on together, and can reduce the impact force when the screen cloth shakes through the second elastic component, the loss of part has been reduced.

Furthermore, a plurality of crushing rods for mashing soil are arranged on the spiral crushing rod, the storage box is communicated with the feed hopper through a conveying pipeline, a second discharge hole for discharging soil is formed in the bottom of the crushing cylinder, and the second discharge hole is formed above the screen; through the setting of above-mentioned crushing pole, can effectual realization in a broken section of thick bamboo to the crushing effect of earth for massive earth can obtain the breakage, become powdered, improved the crushing efficiency to earth, and improve the mixing efficiency of compound fertilizer and earth, make earth and compound fertilizer mix more even, and the setting of second discharge gate, make earth can directly drop after the breakage and separate on the screen cloth, improved the conveying efficiency to earth.

The invention has the following advantages: this an earth preprocessing equipment for garden engineering passes through above-mentioned receiving agencies, crushing mechanism and separating mechanism's cooperation sets up, the effect of the preliminary treatment that can effectual realization earth, make the device can collect at automatic earth of carrying on, breakage and separation treatment, the treatment effeciency to earth has been improved, make laying of earth simple and convenient more, time and strength have been saved, the trouble of manual operation has been avoided, and can automatic mixing compound fertilizer and earth, and directly lay on the position that the turf was laid to needs, very convenient effective, the practicality has been improved greatly.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a first perspective sectional view of fig. 1.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is a second perspective cross-sectional view of fig. 1.

Fig. 5 is an enlarged view of a structure at B in fig. 4.

Fig. 6 is an enlarged view of a structure at C in fig. 4.

Fig. 7 is a three-dimensional sectional view of fig. 1.

Fig. 8 is an enlarged view of the structure at D in fig. 7.

Fig. 9 is an enlarged view of a structure at E in fig. 7.

Fig. 10 is an enlarged view of the structure at F in fig. 7.

Fig. 11 is an enlarged view of the structure at G in fig. 7.

Fig. 12 is a perspective cross-sectional view four of fig. 1.

Fig. 13 is an enlarged view of the structure at H in fig. 12.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-13, an earth pretreatment device for garden engineering comprises a working vehicle 1 for treating earth and a storage box 11 for storing compound fertilizer, wherein the working vehicle 1 is provided with a receiving mechanism for collecting earth, a crushing mechanism for crushing massive earth and a separating mechanism for separating earth and stones, through the arrangement of the above structure, the earth pretreatment before turf laying can be effectively realized, the earth can be directly collected and then stones in the earth can be removed, the stone removal efficiency can be improved, the earth and fertilizer can be directly mixed and then directly discharged, and the soil and the stones are laid on the original position, so that the effect of automatic earth pretreatment can be realized, meanwhile, the earth can be directly compacted, the trouble of manual operation is effectively avoided, and the device is very convenient and practical; the storage box is arranged at the top of the working vehicle and stores a certain amount of compound fertilizer so as to improve the turfing potential of the turf.

The receiving mechanism comprises a conveying part 21 for conveying soil, a plurality of soil loosening parts 22 for loosening the soil on the ground and an excavating plate 23 for collecting the loosened soil, a cover 24 is arranged on the surface of the conveying part 21, the soil loosening parts 22 are arranged on the cover 24, and through the arrangement of the soil loosening parts, acting force required during soil excavation can be reduced, so that the conveying of the soil by the excavating plate is easier and more labor-saving, the soil collecting efficiency is improved, the soil collected by the excavating plate can be conveyed by the arrangement of the conveying part, the soil can be directly conveyed to be conveniently crushed, and the soil collecting efficiency is effectively improved; above-mentioned driving medium adopts ordinary conveyer belt slope to set up, for prior art, no longer describe herein, the piece that loosens the soil adopts the pinnacle metal rod to make in this embodiment, also can adopt other appearances that loosen the soil, play the laborsaving effect of loosening the soil can, above-mentioned excavation board equidistance interval is located on the conveying piece, when collecting earth, dig the pine with earth through the piece that loosens the soil earlier, then dig the not hard up earth through excavating the board, carry earth to broken section of thick bamboo in through the drive belt, the place ahead of excavating the board is located to the piece that loosens the soil.

The crushing mechanism comprises a feed hopper 31 for feeding soil, a spiral crushing rod 32 for crushing the blocky soil, a driving piece 33 for driving the spiral crushing rod 32 to crush the soil and a crushing barrel 34 for accommodating the spiral crushing rod 32 to work, and the feed hopper is arranged so as to directly convey the soil into the spiral crushing rod for crushing, so that the conveying efficiency of the soil is improved, and the spiral crushing rod and the driving piece are arranged in a matched manner, so that the soil can be effectively crushed, the blocky soil can be changed into powder, and the soil can be mixed with compound fertilizer and can be externally conveyed and laid; be equipped with a plurality of broken poles 321 that are used for pounding earth to pieces on spiral crushing pole 32, storage box 11 is linked together through a pipeline and feeder hopper 31, the bottom of broken section of thick bamboo 34 is equipped with and is used for supplying earth exhaust second discharge gate 341, screen cloth 41's top is located to second discharge gate 341, through the setting of above-mentioned broken pole, can effectual realization in broken section of thick bamboo to the crushing effect of earth for massive earth can obtain the breakage, becomes powdered, has improved the crushing efficiency to earth, and improves the mixing efficiency of compound fertilizer and earth, makes earth and compound fertilizer mix more even, and the setting of second discharge gate makes earth can directly drop after the breakage and separate on the screen cloth, has improved the conveying efficiency to earth.

After earth passes through the drive belt and upwards carries, directly drop to the feeder hopper in from the conveyer belt top, and compound fertilizer also gets into in the feeder hopper simultaneously, earth and compound fertilizer get into broken section of thick bamboo through the feeder hopper together, the driving piece is to the drive of spiral breaker, make the broken pole of spiral rotate, when the broken pole of spiral rotates, can promote earth and remove towards the second discharge gate, and broken pole can be when the broken pole of spiral rotates, stir earth, both broken earth, earth and compound fertilizer have been mixed again, when earth is promoted to second discharge gate department, earth directly drops to carrying out the separation processing on the screen cloth downwards.

The separation mechanism comprises a screen 41 for separating soil and stones, a shaking device for driving the drying net 41 to shake, a stone storage box 42 for conveying the soil to an above-ground conveying device and for storing the separated stones, an extending part 43 is arranged at the tail end of the screen 41, and the effect of separating the soil and the stones in the soil can be effectively realized through the arrangement of the screen, so that the stones in the soil can be effectively removed, the turf can be conveniently laid on the soil, and the separated stones can be stored through the arrangement of the stone storage box, thereby avoiding the stones from falling outside, leading the stones to be mixed in the soil again, influencing the laying of the turf, and being capable of recycling the stones, saving resources and being very environment-friendly and practical; above-mentioned screen cloth is ordinary screen cloth on the existing market, and for prior art, this no longer gives unnecessary details, and the mesh size of screen cloth only can supply tiny earth and compound fertilizer to pass through, and during the screen cloth shake, earth and compound fertilizer pass through the screen cloth and flow into in the solid fixed cylinder downwards, and the stone is then stored to storing up the stone incasement through the extension landing in the screen cloth top, and above-mentioned extension is located the top of storing up the stone case.

The shaking device comprises a lug 44 for driving the screen 41 to shake, a transmission assembly for controlling the lug 44 to drive the screen 41 and a supporting device for supporting the screen 41 to shake, wherein the screen 41 is provided with a plurality of baffles 411, the screen 41 is also provided with a conical bulge 412 for assisting in crushing blocky soil, and the arrangement of the lugs enables the screen to shake up and down, so that the separation effect of the soil and the stone is realized through the shaking of the screen, the separation efficiency of the soil and the stone is effectively improved, the arrangement of the baffles is used for preventing the soil from splashing when the screen shakes, and the arrangement of the conical bulge can effectively realize the secondary crushing effect of the soil, enhance the crushing effect of the soil and improve the crushing efficiency of the soil; the supporting device comprises a fixed cylinder 51 sleeved on the lug 44, a fixed block 52 fixedly connected with the fixed cylinder 51 and a driving block 53 for controlling the movement of the screen 41, the fixed block 52 is provided with a telescopic groove 521, a plurality of first elastic members 54 fixedly connected with a driving block 53 are arranged in the telescopic groove 521, the driving block 53 is movably connected with the screen 41, through the arrangement of the fixed cylinder, the lug can drive the fixed cylinder to realize the shaking effect so as to drive the screen to realize the up-and-down shaking effect, so that the screen can separate soil and stones, the driving block and the first elastic piece are matched, so that the screen has certain elasticity when shaking up and down, the loss of the component when shaking is reduced, simultaneously can assist the effect that realizes the lateral shifting of screen cloth, the effectual separation efficiency who improves the screen cloth to earth and stone.

The transmission assembly comprises a first transmission piece 35 connected with the output shaft of the driving piece 33, a second transmission piece 36 connected with the first transmission piece 35 in a meshed mode, a third transmission piece 38 connected with the second transmission piece 36 through a transmission shaft 37 and a fourth transmission piece 39 connected with the third transmission piece 38 in a meshed mode, the lug 44 is fixedly connected with the tail end of the transmission shaft 37, and through the arrangement of the structure, the lug can drive the driving shaft through the first transmission piece to achieve the rotating effect of the lug, so that the screen can be driven in a shaking mode, soil and stones can be separated while the screen is shaken, the separation effect of the soil and the stones is improved, meanwhile, the arrangement of the driving piece is reduced, the maintenance cost is reduced, and the energy consumption is effectively saved; the fourth transmission member 39 is provided with a driving rod 391 for driving the screen 41 to move, the driving rod 391 is movably connected with the screen 41, the bottom of the extension portion 43 is provided with a chute 431, the stone storage box 42 is provided with a slider 421 matched with the chute 431, a plurality of second elastic members 432 for controlling the movement of the screen 41 are arranged between the extension portion 43 and the stone storage box 42, through the arrangement of the structure, the fourth transmission member can drive the driving rod to act on the screen, so that the screen can realize the effect of transverse movement, the separation effect of the screen on soil and stones is enhanced, and the matching arrangement of the chute and the slider can avoid the separation of the bottom of the screen when shaking, provide the stability of the screen when shaking, simultaneously ensure that the effect of transverse shaking and up-down shaking of the screen can be realized together, and reduce the impact force when the screen shakes through the second elastic members, the loss of the components is reduced.

The first elastic element and the second elastic element in this embodiment are both provided with a telescopic spring, which is the prior art, and are not described herein again, the distance from the axis of the bump to the end of the bump is greater than the radius of the fixed cylinder, the first transmission element and the second transmission element are both provided with gears, the third transmission element and the fourth transmission element are both provided with bevel gears, the above components are all the prior art, and are not described herein again, when the driving element rotates, the first transmission element rotates together with the driving element, the first transmission element drives the second transmission element to rotate, the second transmission element drives the driving shaft to rotate, the driving shaft drives the bump to rotate, the bump is arranged in the fixed cylinder, the rotation of the bump realizes the eccentric rotation effect, and thus the fixed cylinder drives the screen to realize the up-and; and the rotation of second driving medium can drive the rotation of third driving medium, the third driving medium can drive the actuating lever motion in the pivoted in-process, the actuating lever can drive the screen cloth and realize the transverse shake, and the slider can be in the reciprocal slip of spout, the continuous reciprocal shrink of second elastic component, thereby the screen cloth can be realized from top to bottom and the reciprocal shake of transverse, the earth and the stone that drop in the top then pass through the shake of screen cloth, continuous separation, earth and compound fertilizer drop to the fixed incasement, the stone is then along the screen cloth landing to the storage stone incasement.

The conveying device comprises a plurality of fixing plates 45 for assisting the mixing of soil and compound fertilizer, a fixing box 46 for supporting the fixing plates 45, a first discharge hole 461 for supplying the mixture of the soil and the compound fertilizer to be conveyed and a compacting piece 47 for compacting the mixture, wherein the first discharge hole 461 is provided with a guide plate 462 for guiding the mixture, the compacting piece 47 is movably connected with the guide plate 462 through two connecting rods 48, through the arrangement of the fixing plates, the soil and the compound fertilizer can flow on the fixing plates in a reciprocating manner, so that the mixing effect of the soil and the compound fertilizer is realized in the flowing process, the mixing effect between the soil and the compound fertilizer is enhanced, the flowing speed of the soil on the fixing plates can be accelerated through the vibration of the working vehicle during working, the arrangement of the compacting piece is realized, and the soil flowing out through the guide plate can be directly paved on the ground, then, the soil is compacted through the compacting piece, so that the turf can be laid better, the trouble of manually treating the soil and compacting the soil is effectively avoided, and labor and force are saved; above-mentioned fixed plate is the crisscross downward sloping setting of equidistance, above-mentioned earth and compound fertilizer pass the screen cloth and get into behind the fixed incasement, landing about through the fixed plate is continuous, play certain mixed effect, until landing to the bottom of fixed case, export to appointed place outward through first discharge gate, above-mentioned compaction piece is the setting of cylinder form, except the material of light, other materials all can make, the mixture of earth and compound fertilizer is spread subaerial back, the compaction piece carries out the roll formula compaction to earth through the gravity of self, so that lay the turf.

Claims (6)

1. An earth pretreatment apparatus for garden engineering, comprising a work vehicle (1) for treating earth and a storage tank (11) for storing compound fertilizer; it is characterized in that; the working vehicle (1) is provided with a material receiving mechanism for collecting soil, a crushing mechanism for crushing blocky soil and a separating mechanism for separating soil and stones; the crushing mechanism comprises a feed hopper (31) for feeding soil, a spiral crushing rod (32) for crushing blocky soil, a driving piece (33) for driving the spiral crushing rod (32) to crush the soil and a crushing barrel (34) for accommodating the spiral crushing rod (32) to work; the separating mechanism comprises a screen (41) for separating soil and stones, a shaking device for driving the screen (41) to shake, a conveying device for conveying the soil to the ground and a stone storage box (42) for storing the separated stones, wherein the tail end of the screen (41) is provided with an extending part (43); the shaking device comprises a bump (44) for driving the screen (41) to shake, a transmission assembly for controlling the bump (44) to drive the screen (41) and a supporting device for supporting the screen (41) to shake, wherein a plurality of baffles (411) are arranged on the screen (41), and a conical bulge (412) for assisting in crushing blocky soil is also arranged on the screen (41); the supporting device comprises a fixed cylinder (51) sleeved on the bump (44), a fixed block (52) fixedly connected with the fixed cylinder (51) and a driving block (53) used for controlling the movement of the screen (41), wherein a telescopic groove (521) is formed in the fixed block (52), a plurality of first elastic pieces (54) fixedly connected with the driving block (53) are arranged in the telescopic groove (521), and the driving block (53) is movably connected with the screen (41).

2. Soil pretreatment apparatus for garden engineering according to claim 1, characterized in that: receiving agencies is including conveying piece (21), a plurality of piece (22) and the digging plate (23) that are used for collecting the not hard up earth that are used for not hard up subaerial earth that loosen that are used for carrying earth, the surface of driving medium (21) is equipped with housing (24), loosen earth (22) and locate on housing (24).

3. Soil pretreatment apparatus for garden engineering according to claim 1, characterized in that: the conveying device comprises a plurality of fixing plates (45) for assisting the mixing of soil and compound fertilizer, a fixing box (46) for supporting the fixing plates (45), a first discharge hole (461) for conveying the mixture of the soil and the compound fertilizer and a compacting piece (47) for compacting the mixture, wherein a guide plate (462) for guiding the mixture is arranged at the position of the first discharge hole (461), and the compacting piece (47) is movably connected with the guide plate (462) through two connecting rods (48).

4. Soil pretreatment apparatus for garden engineering according to claim 1, characterized in that: the transmission assembly comprises a first transmission piece (35) connected with an output shaft of the driving piece (33), a second transmission piece (36) connected with the first transmission piece (35) in a meshed mode, a third transmission piece (38) connected with the second transmission piece (36) through a transmission shaft (37) and a fourth transmission piece (39) connected with the third transmission piece (38) in a meshed mode, and the protruding block (44) is fixedly connected with the tail end of the transmission shaft (37).

5. Soil pretreatment apparatus for garden engineering according to claim 4, characterized in that: the fourth transmission piece (39) is provided with a driving rod (391) for driving the screen (41) to move, the driving rod (391) is movably connected with the screen (41), the bottom of the extension part (43) is provided with a sliding groove (431), the stone storage box (42) is provided with a sliding block (421) matched with the sliding groove (431), and a plurality of second elastic pieces (432) for controlling the screen (41) to move are arranged between the extension part (43) and the stone storage box (42).

6. Soil pretreatment apparatus for garden engineering according to claim 1, characterized in that: be equipped with a plurality of broken poles (321) that are used for mashing earth on spiral broken pole (32), storage box (11) are linked together through a pipeline and feeder hopper (31), the bottom of broken section of thick bamboo (34) is equipped with and is used for supplying earth exhaust second discharge gate (341), the top of screen cloth (41) is located in second discharge gate (341).

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