CN117502012A - Tea tree light pruning machine - Google Patents

Abstract

The invention belongs to the technical field of harvesting and mowing in agriculture or forestry, and particularly relates to a tea tree light pruning machine, which comprises a portal frame, wherein the portal frame comprises a top plate and two side plates; walking wheels are arranged below the side plates; a lifting platform is arranged between the two side plates, two saw disc units are arranged below the lifting platform in parallel left and right, a leaf separating plate is arranged between the two saw disc units, and the front ends of the leaf separating plates are gradually narrowed; the saw disc unit comprises a driving motor, the output end of the driving motor faces downwards and is connected with a circular saw disc, the two circular saw discs are respectively positioned at two sides of the split blade, the middle parts of the two side surfaces of the split blade are provided with concave parts corresponding to the arc shapes of the circular saw discs, and the inner side edges of the circular saw discs extend into the concave parts; the outside border of circular saw blade stretches into and collects the notch, collects the notch and is located between curb plate and the circular saw blade, collects the crushing mechanism on the notch connection curb plate, is connected with the plowshare under the curb plate, and the plowshare is in the place ahead, and crushing mechanism's discharge gate is in the place of the dead ahead of plowshare down. The device integrates walking, pruning and crushing operations, and is suitable for the pruning working conditions of tea trees.

Description

Tea tree light pruning machine

Technical Field

The invention belongs to the technical field of harvesting and mowing in agriculture or forestry, and particularly relates to a tea tree light pruning machine.

Background

According to the growth characteristics of tea trees, in order to improve the yield and quality of tea, a large amount of pruning is needed to be carried out on the top ends of the tea trees after the tea picking period every year, tree vigor is consolidated through pruning, and in the growth period of the next tea picking period, the growth vigor of the leaves on the young shoots can be better, so that the yield and quality are improved.

At present, automatic equipment, namely an automatic tea harvesting machine, is used for harvesting tea, but the requirements on pruning tea trees are relatively low, and manual hand-held band saw equipment is used for operation in a large amount. There are also some automatic devices for cutting and trimming, such as self-propelled cutting and crushing integrated machines disclosed in CN 209268099U, but are not suitable for tea tree trimming application, where tea trees are planted on ridges, and furrows are arranged between rows of ridges, and the device needs to walk in the furrows. Related personnel also consider to make suitable improvement with tealeaves automatic picking machine for the pruning of tea tree, and tealeaves automatic picking machine adopts portal frame structure more, as disclosed in CN 212851840U, is equipped with collecting box, harvesting mechanism and running gear, and the portal frame strides on a ridge tea tree, advances along the furrow of ridge both sides through running gear of lower extreme, and collecting box, the harvesting mechanism in the portal frame are continuous to picking cutting and collecting the fresh tea leaves on the top of the fluffy face of tea tree. But the harvesting mechanism of the tea harvesting machine is used for pruning tea trees and is too low in efficiency, the collecting boxes occupy most of space on two sides of the portal frame, and the harvesting process does not need to travel too fast, so that the travelling mechanism below the portal frame is also relatively simple, the wheel diameter is smaller, and the harvesting mechanism is not suitable for pruning branches and leaves.

Aiming at the tea tree pruning working condition, a tea tree light pruning machine with a more proper portal frame structure can be developed, and a series of operations of walking, pruning and cutting branches and leaves are orderly carried out.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the light tea tree pruning machine, which can avoid the problem that the existing pruning equipment or automatic tea leaf harvesting machine is not suitable for the tea tree pruning working condition, and has the effect of ensuring that a series of operations of walking, pruning and cutting branches and leaves are orderly carried out.

In order to solve the technical problems, the invention adopts the following technical scheme:

the tea tree light pruning machine comprises a portal frame, wherein the portal frame comprises a top plate and side plates extending downwards at the left side and the right side of the top plate; the lower end of the side plate is provided with a travelling wheel unit; a lifting platform is arranged between the front parts of the two side plates below the top plate, two saw disc units are arranged below the lifting platform side by side along the left-right direction, a leaf dividing plate is arranged between the two saw disc units, the leaf dividing plate is connected with the lifting platform, the leaf dividing plate is vertical and extends along the front-back direction, and the front ends of the two side surfaces of the leaf dividing plate are gradually narrowed; the saw disc unit comprises a blade driving motor, the blade driving motor is connected with the lifting platform, the output end of the blade driving motor faces downwards and is connected with a horizontal circular saw disc, the two circular saw discs are respectively positioned at two sides of the split blade, the middle parts of the two side surfaces of the split blade are provided with concave parts corresponding to the arc shapes of the circular saw discs, and the inner side edges of the circular saw discs extend into the concave parts; the outside border of circular saw blade stretches into and collects the notch, collect the notch and be located between curb plate and the circular saw blade, collect the entrance point of notch and face the circular saw blade, collect the reducing mechanism on the curb plate of the exit end connection place side of notch, curb plate lower part elevating connection has the plowshare that breaks earth, and the plowshare that breaks earth is towards the place ahead, reducing mechanism's discharge gate is down and be located the directly over of plowshare that breaks earth.

According to the technical scheme, the mounting groove is formed in the left and right of the middle of the side plate in a penetrating mode, the mounting groove extends downwards to penetrate through the lower surface of the side plate, the side plate is divided into the front section and the rear section by the mounting groove, travelling wheel units are arranged at the lower ends of the front section and the rear section, the lifting platform is located between the two front sections, the crushing mechanism is arranged in the mounting groove, the soil breaking plowshare is located below the crushing mechanism and is connected in the mounting groove in a lifting mode through the mounting sliding block, the side cutting motors are respectively arranged on the two rear sections, and the output ends of the side cutting motors are horizontally inwards connected with the side cutting saw disc located on the inner side of the rear section.

Further, a side cutting mounting hole is formed in the upper portion of the rear section, and a side cutting shell is vertically connected in the side cutting mounting hole in a sliding manner; the side cutting shell is connected with a side extension cylinder body, and the extension end of the side extension cylinder body horizontally faces the inner side of the rear section and is connected with the side cutting motor and the side cutting saw disc.

Further, the crushing mechanism comprises a rotary cutting unit, a longitudinal cutting unit and a crushing unit which are connected in sequence,

the rotary cutting unit comprises a horizontal pipeline and a conveying screw shaft in the horizontal pipeline, and the outlet end of the collecting notch is horizontally communicated with the inlet end of the horizontal pipeline backwards; the longitudinal cutting unit comprises a longitudinal cutting box body, a conveying channel communicated with the outlet end of the horizontal pipeline is penetratingly arranged on the longitudinal cutting box body, a plurality of longitudinal cutting cylinder bodies are arranged on the longitudinal cutting box body at intervals along the length direction of the conveying channel, the acting ends of the longitudinal cutting cylinder bodies are downwards connected with cutter blades communicated with the conveying channel, and the longitudinal cutting box body is connected with the top plate through lifting cylinder bodies; the crushing unit comprises a vertical pipeline and a crushing motor in the vertical pipeline, wherein an output shaft of the crushing motor is upwards and in driving connection with a plurality of crushing blades uniformly distributed in the circumferential direction, an outlet end of the conveying channel is communicated with the upper end of the vertical pipeline, and the lower end of the vertical pipeline is movably inserted into a vertical through hole on the mounting sliding block; the soil breaking plowshare is connected in a T-shaped sliding rail arranged on the lower surface of the installation sliding block in a left-right sliding manner through a T-shaped sliding block, and the lower end of the vertical through hole is connected to the rear side surface of the soil breaking plowshare through a flexible pipe.

Further, the output shaft of the crushing motor is upwards and sequentially connected with a coaxial circular table section and each crushing blade, the small end of the circular table section is upwards, the outer conical surface of the circular table section is convexly provided with an extrusion blade strip corresponding to the inclination of the circular table section,

the vertical pipeline comprises a small-diameter section, an expanded-diameter section and a large-diameter section from top to bottom, the crushed aggregates motor is positioned in the large-diameter section, the round platform section is positioned in the expanded-diameter section, the expanded-diameter section has a taper corresponding to the outer conical surface of the round platform section, and a gap is reserved between the inner wall of the expanded-diameter section and the extrusion blade.

Further, the outlet end of the conveying channel is connected with a tee joint, the other two interfaces of the tee joint are respectively vertically upwards and downwards, the downward interfaces are communicated with the upper end of the vertical pipeline, the upward interfaces are used for bearing a charging hopper, the lower end of the charging hopper is provided with an opening and closing valve, and a downward charging screw shaft is arranged in the charging hopper.

Further, a vane plate lifting motor is arranged on the lifting platform and is in driving connection with the vane plate through the vane plate lifting motor; the saw disc lifting cylinder body is arranged on the lifting platform and is in driving connection with the blade driving motor through the saw disc lifting cylinder body;

the lifting platform is vertically penetrated and provided with a swing connecting hole, a bracket box body is penetrated in the swing connecting hole, the blade driving motor is vertically arranged in the bracket box body in a sliding way, the lower end of the bracket box body is open, the output end of the blade driving motor downwards extends out of the bracket box body and is connected with a circular saw disc, the saw disc lifting cylinder body is arranged on the bracket box body, and the telescopic rod of the saw disc lifting cylinder body downwards extends into the bracket box body and is connected with the blade driving motor;

the front and rear outer walls of the bracket box body are respectively connected with a lifting platform through horizontal swing shafts, driving wheels coaxial with the swing shafts are fixedly arranged on the front and rear outer walls of the bracket box body, and a swing motor which is in driving connection with the driving wheels is arranged on the lifting platform so as to drive the bracket box body to swing in the swing connecting holes.

Further, the coaxial saw disc seat is connected to the upper surface of saw disc, and the saw disc seat is vertical cylindric and the upper end is fixed to be equipped with the shrouding, and the saw disc seals the lower extreme of connecting in the saw disc seat, square hole has been seted up at the shrouding middle part, blade driving motor's output have with square section in order to transmit the moment of torsion of square hole adaptation, square section stretches into the saw disc seat through square hole, and square section's free end terminal surface outwards extends has round protruding edge, and the compression has the spiral pressure spring between protruding edge and the shrouding, and square section's free end terminal surface is concave to be seted up the installation chamber, and the installation intracavity is fixed to be equipped with the gap adjustment cylinder body, and the flexible effect end of gap adjustment cylinder body outwards acts on the upper surface of saw disc.

Further, a hanging mounting hole is formed in the side plate in a left-right penetrating manner, the travelling wheel unit comprises a hanging shell, the hanging shell is vertically and slidably connected in the hanging mounting hole, and a height adjusting motor in driving connection with the hanging shell is arranged on the side plate so as to adjust the height of the travelling wheel unit; a distance adjusting slide block is vertically and slidably connected in the suspension shell, a vibration reduction unit is compressed between the distance adjusting slide block and the suspension shell, a hinge support lug is convexly arranged at one end of the distance adjusting slide block towards the outer side of the side plate, the hinge support lug is hinged with the inner end of a hinge seat through a vertical rotating shaft, and the outer end of the hinge seat is rotationally connected with wheels;

a slider mounting hole is formed in the suspension shell in a left-right penetrating manner, the distance-adjusting slider is movably connected in the slider mounting hole, and a distance-adjusting motor for driving the distance-adjusting slider to slide left and right in the slider mounting hole is arranged on the suspension shell; the distance-adjusting motor is arranged in the side wall of the suspension shell, the output of the distance-adjusting motor is connected with a straight gear which is vertical in the axial direction, the tooth shape of the straight gear protrudes out of the inner side surface of the side wall of the suspension shell and is meshed with a vertical rack arranged on the corresponding side surface of the distance-adjusting slide block, and the rack extends vertically to ensure that the straight gear can be always meshed with the distance-adjusting slide block when the distance-adjusting slide block moves vertically; and the distance-adjusting slide block is provided with a steering power source for driving the hinging seat to rotate along the vertical rotating shaft so as to adjust the running direction of the wheels.

Further, the output of the height adjusting motor is connected with a vertical screw rod, the screw rod vertically penetrates through the hanging mounting hole, the hanging shell, the sliding block mounting hole and the distance adjusting sliding block, the screw rod penetrates through the hanging mounting hole, two ends of the screw rod are in running fit with corresponding side plates, the top wall and the bottom wall of the hanging shell are provided with internal threaded holes matched with the screw rod, the hanging shell is connected with the screw rod through the internal threaded holes in a matched mode to form a screw rod transmission structure, the distance adjusting sliding block is vertically provided with a yielding groove with a waist-shaped section in a penetrating mode, and the screw rod movably penetrates through the distance adjusting sliding block from the yielding groove; the upper surface of the distance-adjusting sliding block is concavely provided with a waist-round sinking groove concentric with the abdicating groove, a gasket is slidably arranged in the waist-round sinking groove, the vibration reduction unit is a spiral pressure spring, the spiral pressure spring is compressed between the gasket and the top wall of the suspension shell, and the screw rod movably penetrates through the gasket and the spiral pressure spring.

Compared with the prior art, the invention has the following beneficial effects:

1. the light tea tree pruning machine integrates the crushing treatment series functions of walking, pruning and cutting branches and leaves on the basis of a portal frame structure, and is more suitable for tea tree pruning working conditions; considering that the canopy surface of the tea tree is wider and different requirements on pruning of two sides of the top end of the tea tree are possibly caused by different growth factors such as sunlight irradiation, two saw disc units are designed side by side, when the tea tree is advanced, the circular saw discs in the two saw disc units respectively rotate outwards, the rotating circular saw disc can directly prune and cut off the tea tree, a shearing missing belt is reserved between the two circular saw discs, a leaf separating plate is designed, the middle tea tree branches can be better and more fully contacted with the circular saw disc, the heights and the inclination angles of the two circular saw discs can be respectively and independently adjusted, and the two sides of the top end of the tea tree can be pruned in a targeted manner according to requirements.

2. The light tea tree pruning machine can comprehensively prune the top surface and the side surface of the tea tree, and branches and leaves pruned by the top surface can be always guaranteed to be discharged into a soil groove ploughed by a broken plowshare after being smashed, and the crushing effect can be effectively guaranteed through three-stage crushing of the crushing unit; the required fertilizer can be filled in the charging hopper, and the fertilizer is put into a soil groove ploughed by the soil breaking ploughshare according to the quantity along with the running of equipment, so that the fertilizer soil is beneficial to the later growth of tea trees.

3. According to the tea tree light pruning machine, the travelling wheel unit adopts a newly designed suspension structure, the space of the side plate is fully utilized, and the height-adjustable suspension shell capable of adjusting the height and the height-adjustable motor for driving the suspension shell to move up and down are arranged, so that the relative height between the side plate and the wheels can be adjusted; the distance-adjusting sliding blocks are arranged in the suspension shell and serve as main suspension vibration reduction connecting pieces, vibration reduction units are compressed between the distance-adjusting sliding blocks and the suspension shell, the vibration reduction units are externally connected with wheels, the diameters of the wheels can be larger, effective vibration reduction of the portal frame is achieved through the vibration reduction units, the distance-adjusting sliding blocks on two sides can also transversely slide and adjust relative span, and walking efficiency and vibration reduction performance are guaranteed.

Drawings

FIG. 1 is a perspective view of a tea tree light trimmer of an embodiment;

FIG. 2 is a front view of a tea tree pruner of an embodiment;

FIG. 3 is a bottom view of a tea tree light trimmer of an exemplary embodiment;

FIG. 4 is a top view of a tea tree pruner of an embodiment;

FIG. 5 is a right side view of a tea tree pruner of an exemplary embodiment;

FIG. 6 is an isolated schematic perspective view (enlarged) of the lift platform and saw blade unit in an embodiment;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a sectional E-E view of FIG. 7;

FIG. 9 is a cross-sectional view A-A of FIG. 2;

FIG. 10 is a cross-sectional view B-B of FIG. 2;

FIG. 11 is an isolated schematic perspective (enlarged) view of a shredder motor and shredder blades in an exemplary embodiment;

FIG. 12 is a cross-sectional view C-C of FIG. 5 (partially enlarged, note illustrating the road wheel unit);

FIG. 13 is a D-D sectional view of FIG. 12;

wherein, the portal frame 1, the top plate 11, the side plates 12, the front section 121, the rear section 122, the side cutting mounting holes 123, the mounting groove 13,

the travelling wheel unit 2, the suspension housing 21, the slider mounting hole 211, the height adjusting motor 22, the screw 221, the distance adjusting slider 23, the hinge lug 231, the angle adjusting motor 232, the abdication groove 233, the oval sinking groove 234, the vibration damping unit 24, the hinge seat 25, the side lug 251, the semicircular arc surface 252, the wheel 26, the distance adjusting motor 27, the spur gear 271, the gasket 28,

lifting platform 3, separating blade 31, concave part 311, separating blade lifting motor 312, circular saw disc 32, blade driving motor 321, square section 322, convex edge 323, saw disc seat 325, sealing plate 326, bracket box 33, saw disc lifting cylinder 331, swing shaft 332, driving wheel 333, swing connecting hole 34, swing motor 35, spiral compression spring 36, gap adjusting telescopic motor 37,

the crushing mechanism 4, the collecting notch 41, the rotary cutting unit 42, the horizontal pipe 421, the conveying screw shaft 422, the slitting unit 43, the slitting box 431, the conveying passage 432, the slitting cylinder 433, the lifting cylinder 44, the crushing unit 45, the vertical pipe 451, the crushing motor 46, the crushing blade 461, the rectangular groove 462, the round table section 463, the pressing blade 464, the tee joint 47, the charging hopper 48, the charging screw shaft 481,

a soil breaking plowshare 5, a mounting slide 51, a T-shaped slide 52, a flexible tube 53,

the saw disc 6, the housing 61, and the telescopic cylinder 62 are cut sideways.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the drawings.

Referring to fig. 1-6, a light tea tree pruning machine according to an embodiment includes a gantry 1, wherein the gantry 1 includes a top plate 11 and side plates 12 extending downward on left and right sides of the top plate 11; the lower end of the side plate 12 is provided with a travelling wheel unit 2; a lifting platform 3 is arranged below the top plate 11 and between the front parts of the two side plates 12, two saw disc units are arranged below the lifting platform 3 side by side along the left-right direction of the lifting platform 3 (portal frame 1), a leaf separating plate 31 is arranged between the two saw disc units, the leaf separating plate 31 is connected with the lifting platform 3, the leaf separating plate 31 is vertical and extends along the front-back direction of the lifting platform 3, and the front ends of the two side surfaces of the leaf separating plate 31 are gradually narrowed to form cone angles so as to separate leaves; the saw disc unit comprises a blade driving motor 321, the blade driving motor 321 is connected with the lifting platform 3, the output end of the blade driving motor 321 faces downwards and is connected with a horizontal circular saw disc 32, the two circular saw discs 32 are respectively positioned on two sides of the split blade 31, the middle parts of the two side surfaces of the split blade 31 are provided with concave parts 311 corresponding to the arc shapes of the circular saw discs 32, and the inner side edges of the circular saw discs 32 extend into the concave parts 311; the outside border of circular saw disc 32 stretches into and collects notch 41, collect notch 41 is located between curb plate 12 and circular saw disc 32, and the entrance point of collecting notch 41 is towards circular saw disc 32, and the exit end of collecting notch 41 connects the rubbing crusher 4 on the curb plate 12 of place side, and curb plate 12 lower part lift is connected with the broken soil plowshare 5, and the place ahead of broken soil plowshare 5 orientation lift platform 3 (portal frame 1), rubbing crusher 4's discharge gate is down and is located the broken soil plowshare 5 directly behind.

The light tea tree pruning machine integrates the crushing treatment series functions of walking, pruning and cutting branches and leaves on the basis of a portal frame structure, and is more suitable for tea tree pruning working conditions; considering that the canopy surface of the tea tree is wider and different requirements on pruning of two sides of the top end of the tea tree are possibly caused by different growth factors such as sunlight irradiation, two saw disc units are designed side by side, when the tea tree is moved, the circular saw discs 32 in the two saw disc units respectively rotate outwards (rotate oppositely), the rotating circular saw discs 32 (edges have cutting edges or sharp edges) can directly prune and cut the tea tree, and in order to avoid the situation that a shearing leakage belt is reserved between the two circular saw discs 32, a leaf separating plate 31 is designed, so that the middle tea tree branches can be better and more fully contacted with the circular saw discs 32.

With continued reference to fig. 7 and 8, the lift platform 3 is provided with a vane lifting motor 312, and the vane lifting motor 312 is in driving connection with the vane 31; the lifting platform 3 is provided with a saw disc lifting cylinder 331, and is in driving connection with the blade driving motor 321 through the saw disc lifting cylinder 331. Specifically, a swing connection hole 34 is vertically and penetratingly formed in the lifting platform 3, a support box body 33 is penetrated in the swing connection hole 34, a blade driving motor 321 is vertically and slidably arranged in the support box body 33, the lower end of the support box body 33 is opened, the output end of the blade driving motor 321 downwards extends out of the support box body 33 and is connected with a circular saw disc 32, a saw disc lifting cylinder body 331 is arranged on the support box body 33, and a telescopic rod of the saw disc lifting cylinder body 331 downwards extends into the support box body 33 and is connected with the blade driving motor 321; the front and rear outer walls of the bracket box 33 are respectively connected with the lifting platform 3 through horizontal swing shafts 332, driving wheels 333 coaxial with the swing shafts 332 are fixedly arranged on the front and rear outer walls of the bracket box 33, and the lifting platform 3 is provided with a swing motor 35 which is in driving connection with the driving wheels 333 so as to drive the bracket box 33 to swing in the swing connecting holes 34. In this embodiment, in order to facilitate the connection of the telescopic rod of the saw disc lifting cylinder 331 to the blade driving motor 321, a motor housing is sleeved outside the blade driving motor 321, and the telescopic rod of the saw disc lifting cylinder 331 is connected to the top of the motor housing; the swing shaft 332 of the front and rear outer walls of the bracket box 33 is connected with the front and rear inner walls of the swing connecting hole 34, and the left and right inner walls of the swing connecting hole 34 are spaced from the bracket box 33 or are processed with giving-up chamfers and rounding. In implementation, the driving connection mode of the telescopic rod of the saw disc lifting cylinder 331 and the motor shell can also be a connection mode of the screw transmission of the servo motor.

Like this, to the tea tree canopy face both sides because of the different circumstances of growth factor such as sunshine, probably lead to the pruning requirement difference to tea tree top both sides, can adjust alone the height and the inclination of both sides circular saw web 32 respectively, carry out the targeted pruning to tea tree top both sides as required. The concave portion 311 extends vertically and penetrates the lower surface of the louver board 31, and ensures that the height is not interfered with the circular saw blade 32 all the time in the height adjustment process.

With continued reference to fig. 8, the upper surface of the circular saw disc 32 is connected with a coaxial saw disc seat 325, the saw disc seat 325 is vertically cylindrical, a sealing plate 326 is fixedly arranged at the upper end of the saw disc seat 325, the circular saw disc 32 is closely connected with the lower end of the saw disc seat 325, a square hole is formed in the middle of the sealing plate 326, an output end of the blade driving motor 321 is provided with a square section 322 adapted to the square hole so as to transmit torque, the square section 322 extends into the saw disc seat 325 through the square hole, a circle of convex edge 323 extends outwards from the end surface of the free end of the square section 322, a spiral compression spring 36 is compressed between the convex edge 323 and the sealing plate 326, a mounting cavity is concavely formed in the end surface of the free end of the square section 322, a gap adjusting telescopic motor 37 is fixedly arranged in the mounting cavity, and a telescopic action end of the gap adjusting telescopic motor 37 acts on the upper surface of the circular saw disc 32 outwards.

Thus, the saw disc lifting cylinder 331 can be used as a coarse adjustment for the height before swing adjustment, and when the height of the circular saw disc 32 needs to be finely adjusted after swing adjustment, the accurate control can be realized through the expansion and contraction of the clearance adjustment expansion motor 37.

The lifting platform 3 adopts a common plate-shaped structure, and the left end and the right end are respectively connected with the portal frame through a lifting motor and corresponding transmission connection (such as gear and rack connection) to serve as a rough adjustment action base during integral lifting adjustment.

With continued reference to fig. 12 and 13, the side plate 12 is provided with a suspension mounting hole 13 extending therethrough from left to right, the travelling wheel unit 2 includes a suspension housing 21, the suspension housing 21 is vertically slidably connected in the suspension mounting hole 13, and the side plate 12 is provided with a height adjusting motor 22 in driving connection with the suspension housing 21 so as to adjust the height thereof; the vertical sliding connection has the roll adjustment slider 23 in hanging shell 21, and the compression has damping unit 24 between roll adjustment slider 23 and the hanging shell 21, and the outside of roll adjustment slider 23 orientation curb plate 12 is protruding to be equipped with articulated journal stirrup 231, and articulated journal stirrup 231 articulates with the inner of articulated seat 25 through vertical pivot, and the outer end rotation of articulated seat 25 is connected with wheel 26.

In this way, the space of the side plate 12 is fully utilized, and the height-adjustable suspension housing 21 and the height-adjustable motor 22 for driving the suspension housing 21 to move up and down are arranged, so that the relative height of the portal frame 1 and the wheels 26 can be adjusted; the suspension shell 21 is internally provided with the distance-adjusting slide block 23 as a main suspension vibration reduction connecting piece, a vibration reduction unit 24 is compressed between the suspension shell 21 and the suspension shell, and is externally connected with wheels 26, the diameters of the wheels 26 can be larger, the effective vibration reduction of the portal frame 1 is realized through the vibration reduction unit 24, and the walking efficiency and vibration reduction performance are ensured.

With continued reference to fig. 1-5, the distance-adjusting slider 23 is provided with an angle-adjusting motor 232 drivingly connected to the hinge base 25, and the angle-adjusting motor 232 drives the hinge base 25 to rotate about the vertical rotation axis, so as to adjust the driving direction of the wheels 26. Therefore, the adaptability can be improved, and the working condition of pruning tea trees along the arc-shaped ridge can be met. Specifically, a vertically penetrating hinge hole is formed in the hinge support lug 231, two parallel opposite side support lugs 251 are protruding from the inner end of the hinge seat 25, the hinge support lug 231 is located between the two side support lugs 251, the vertical rotating shaft penetrates through the hinge support lug 231 and the two side support lugs 251, the free end of the side support lug 251 is a semicircular arc face 252 taking the vertical rotating shaft as the center, and the angle adjusting motor 232 is in operative connection with the semicircular arc face 252. The free end of the hinge bracket 231 is also curved with the vertical rotation axis as the center so as to be abducted. In practice, the angle adjusting motor 232 can be in friction transmission or tooth-shaped engagement transmission with the semicircular arc-shaped surface 252 through the output shaft. In this embodiment, in order to secure the steering adjustment transmission effect, an angle adjustment motor 232 is provided at each of the diagonal positions of the upper and lower surfaces of the hinge bracket 231.

With continued reference to fig. 12, a travel motor is connected to the outer end of the hinge seat 25, and the wheels 26 are connected by the travel motor. In this way, the traveling power can be actively provided by the traveling motor.

With continued reference to fig. 1, 5, 12 and 13, the suspension housing 21 is provided with a slider mounting hole 211 extending therethrough, the distance-adjusting slider 23 is movably connected in the slider mounting hole 211, and the suspension housing 21 is provided with a distance-adjusting motor 27 for driving the distance-adjusting slider 23 to slide left and right in the slider mounting hole 211. In this way, the adaptability is further improved. When the device is initially used, the distance adjusting slide blocks 23 on the two side plates 11 are close to or far away from each other (can be adjusted in a ground-free way to reduce friction resistance), so that the span can be adjusted; in the use process, the distance adjusting motors 27 on two sides are driven in the same direction, so that the left and right position adjustment of the portal frame 1 can be realized.

In this embodiment, the distance adjusting motor 27 is disposed in a side wall of the suspension housing 21, the output of the distance adjusting motor 27 is connected to a straight gear 271 which is vertical in the axial direction, the tooth shape of the straight gear 271 protrudes out of the inner side surface of the side wall of the suspension housing 21 and is engaged with a vertical rack (not shown in the figure) provided on the corresponding side surface of the distance adjusting slider 23, and the rack extends vertically to ensure that the straight gear 271 can be engaged with the distance adjusting slider 23 when it moves vertically.

Wherein, the output of the height adjusting motor 22 is connected with a vertical screw 221, the screw 221 vertically passes through the hanging mounting hole 13, the hanging shell 21, the slider mounting hole 211 and the distance adjusting slider 23, the screw 221 passes through the hanging mounting hole 13, two ends of the screw 221 are in running fit with the corresponding side plates 12, the top wall and the bottom wall of the hanging shell 21 are provided with internal threaded holes matched with the screw 221, the hanging shell 21 is connected with the screw 221 through the internal threaded holes in a matched manner to form a screw transmission structure, the distance adjusting slider 23 is vertically provided with a yielding groove 233 with a waist-shaped section in a penetrating manner, and the screw 221 movably passes through the distance adjusting slider 23 from the yielding groove 233. The length direction of the waist circle of the cross section of the abdication groove 233 corresponds to the left-right sliding direction of the distance adjusting sliding block 23 in the sliding block mounting hole 211, so as to play an abdication role. The upper surface of the distance-adjusting slide block 23 is concavely provided with a waist-round sinking groove 234 corresponding to the shape of the section shape of the abdication groove 233, a round gasket 28 is slidingly arranged in the waist-round sinking groove 234 along the length direction of the waist-round sinking groove, and the diameter of the gasket 28 corresponds to the width of the waist-round sinking groove 234 and is larger than the abdication groove 233; the vibration damping unit 24 is a helical compression spring compressed between the spacer 28 and the top wall of the suspension housing 21, and the screw 221 movably penetrates the spacer 28 and the helical compression spring. In this embodiment, the lower surface of the distance-adjusting slider 23 is also provided with a oval countersink 234, a spacer 28 and a spiral compression spring, and the spring forces of the two spiral compression springs are designed according to the actual working conditions.

With continued reference to fig. 2, 5, 9 and 10, the middle part of the side plate 12 is left and right penetrated with a mounting groove 13, the mounting groove 13 extends downwards to penetrate the lower surface of the side plate 12, the side plate 12 is divided into a front section 121 and a rear section 122 by the mounting groove 13, travelling wheel units are arranged at the lower ends of the front section 121 and the rear section 122, a lifting platform is positioned between the two front sections 121, a crushing mechanism 4 is arranged in the mounting groove 13, a soil breaking plowshare 5 is positioned below the crushing mechanism 4 and is connected in the mounting groove 13 in a lifting manner through a mounting sliding block 51, a lifting motor for driving the mounting sliding block 51 to lift is arranged between the front end surface and the rear end surface of the mounting sliding block 51 and the side plate 12, and side cutting motors are respectively arranged on the two rear sections 122, and the output ends of the side cutting motors are horizontally inwards and are connected with a side cutting saw disc 6 positioned at the inner side of the rear section 122.

Therefore, the whole equipment has better integration, the top surface and the side surface of the tea tree canopy are comprehensively trimmed, and branches and leaves trimmed by the top surface are crushed and then discharged into a soil groove ploughed by the soil breaking plowshare 5, so that fertilizer soil is facilitated. In the use state, the installation sliding block 51 is lowered to enable the broken soil plowshare 5 to be lowered so as to facilitate soil plowing, and in the non-pruning use state, the installation sliding block 51 is raised to enable the broken soil plowshare 5 to be higher than the lower surface of the side plate 12, so that walking in other scenes is not affected.

The upper part of the rear section 122 is provided with a side cutting mounting hole 123, a side cutting shell 61 is vertically and slidably connected in the side cutting mounting hole 123, and a lifting motor for driving the side cutting shell 61 to lift is arranged between the side cutting shell 61 and the rear section 122; the lateral expansion cylinder 62 is connected to the lateral cutting housing 61, and the expansion end of the lateral expansion cylinder 62 horizontally faces the inner side of the rear section 122 and is connected with the lateral cutting motor and the lateral cutting saw disc 6.

Thus, the spacing and the height of the side cuts can be adjusted, and the adaptability is improved.

Wherein, the crushing mechanism 4 comprises a rotary cutting unit 42, a longitudinal cutting unit 43 and a crushing unit 45 which are sequentially connected to form three-stage crushing, the rotary cutting unit 42 comprises a horizontal pipeline 421 and a conveying screw shaft 422 in the horizontal pipeline 421 (the conveying screw shaft 422 is driven by a conveying motor, the conveying motor is connected in the horizontal pipeline 421 through a hollow bracket), and the outlet end of the collecting notch 41 is horizontally communicated with the inlet end of the horizontal pipeline 421 backwards; the slitting unit 43 comprises a slitting box body 431, a conveying channel 432 communicated with the outlet end of the horizontal pipeline 421 is penetratingly arranged on the slitting box body 431, a plurality of slitting cylinder bodies 433 are arranged on the slitting box body 431 at intervals along the length direction of the conveying channel 432, the acting ends of the slitting cylinder bodies 433 are downwards connected with cutter blades communicated to the conveying channel 432, and the slitting box body 431 is connected with the top plate 11 through a lifting cylinder body 44; the crushing unit 45 comprises a vertical pipeline 451 and a crushing motor 46 in the vertical pipeline 451, wherein the output shaft of the crushing motor 46 is upwards connected with a plurality of crushing blades 461 uniformly distributed in the circumferential direction in a driving way, the crushing motor 46 is connected in the vertical pipeline 451 through a hollowed-out bracket, the outlet end of the conveying channel 432 is communicated with the upper end of the vertical pipeline 451, and the lower end of the vertical pipeline 451 is movably inserted into a vertical through hole on the mounting sliding block 51; the soil breaking plowshare 5 is connected in a left-right penetrating T-shaped sliding rail arranged on the lower surface of the installation sliding block 51 in a left-right sliding manner through a T-shaped sliding block 52, and the lower end of the vertical through hole is connected to the rear side surface of the soil breaking plowshare 5 through a flexible pipe 53.

Thus, the conveying screw shaft 422 is used for carrying out primary spinning and crushing on the branches and leaves, the cutter blades of the longitudinal cutting cylinder 433 in the conveying channel 432 are used for carrying out secondary crushing on the branches and leaves, and the crushing motor 46 in the vertical pipeline 451 is used for carrying out tertiary crushing on the branches and leaves, so that the effect of crushing the branches and leaves is ensured. When the device is used, the conveying screw shaft 422 is continuously pushed backwards, branches and leaves in the extruding conveying channel 432 fall into the vertical pipeline 451 and finally fall into the vertical through hole of the mounting sliding block 51, the soil breaking plowshare 5 can be adjusted left and right, but the branches and leaves broken by the breaking mechanism 4 can still be ensured to be always discharged into a soil groove ploughed by the soil breaking plowshare 5 through the flexible pipe 53. In practice, a rotatable tooth pulling shaft is also transversely arranged in the outlet end of the collecting notch 41 and is used for pushing branches and leaves falling into the collecting notch 41 towards the inlet end of the horizontal pipeline 421.

With continued reference to fig. 10 and 11, the output shaft of the particle motor 46 is sequentially connected with a coaxial circular segment 463 and each breaking blade 461 in an upward driving manner, the small end of the circular segment 463 is upward, the outer conical surface of the circular segment 463 is convexly provided with an extrusion blade 464 corresponding to the inclination of the outer conical surface, the vertical pipeline 451 comprises a small-diameter segment, an expanded-diameter segment and a large-diameter segment from top to bottom, the particle motor 46 is located in the large-diameter segment, the circular segment 463 is located in the expanded-diameter segment, the expanded-diameter segment has a taper corresponding to the outer conical surface of the circular segment 463, and a gap is formed between the inner wall of the expanded-diameter segment and the extrusion blade 464.

The rotary outer diameter of each breaking blade 461 is not larger than the diameter of the small end of the round table 463, the breaking blades 461 extend along the radial direction of the output shaft of the crushing motor 46, the cross section of each breaking blade 461 is diamond-shaped, an acute angle edge faces the rotating direction of the motor and is slightly upward, and rectangular grooves 462 are formed in the breaking blades 461 in a vertically penetrating mode so as to form more sharp edges, and therefore the efficiency of breaking branches and leaves is improved. The outlet end of the conveying channel 432 is connected with the tee joint 47, the other two interfaces of the tee joint 47 are respectively vertically oriented upwards and downwards, the downward interfaces are communicated with the upper end of the vertical pipeline 451, the upward interfaces receive a charging hopper 48, the lower end of the charging hopper 48 is provided with an opening and closing valve, and a downward charging screw shaft 481 driven by a motor is arranged in the charging hopper 48.

Thus, according to the fertilizer soil requirement, the required fertilizer is filled in the charging hopper 48, and the fertilizer is put into the soil groove ploughed by the soil breaking plow head 5 together according to the quantity along with the running of equipment, so that the fertilizer soil effect is further improved, and the later growth of tea trees is facilitated.

It will be appreciated that the gantry 1 is provided with a necessary power supply unit and a control unit (not shown in the figure), and the control unit is controlled to connect with various electrical components, such as a motor, a control valve of a cylinder body, and the like, and control to realize corresponding functional actions.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (10)

1. The tea tree light pruning machine comprises a portal frame, wherein the portal frame comprises a top plate and side plates extending downwards at the left side and the right side of the top plate; the lower end of the side plate is provided with a travelling wheel unit; the method is characterized in that: a lifting platform is arranged between the front parts of the two side plates below the top plate, two saw disc units are arranged below the lifting platform side by side along the left-right direction, a leaf dividing plate is arranged between the two saw disc units, the leaf dividing plate is connected with the lifting platform, the leaf dividing plate is vertical and extends along the front-back direction, and the front ends of the two side surfaces of the leaf dividing plate are gradually narrowed; the saw disc unit comprises a blade driving motor, the blade driving motor is connected with the lifting platform, the output end of the blade driving motor faces downwards and is connected with a horizontal circular saw disc, the two circular saw discs are respectively positioned at two sides of the split blade, the middle parts of the two side surfaces of the split blade are provided with concave parts corresponding to the arc shapes of the circular saw discs, and the inner side edges of the circular saw discs extend into the concave parts; the outside border of circular saw blade stretches into and collects the notch, collect the notch and be located between curb plate and the circular saw blade, collect the entrance point of notch and face the circular saw blade, collect the reducing mechanism on the curb plate of the exit end connection place side of notch, curb plate lower part elevating connection has the plowshare that breaks earth, and the plowshare that breaks earth is towards the place ahead, reducing mechanism's discharge gate is down and be located the directly over of plowshare that breaks earth.

2. The tea tree light pruning machine according to claim 1, wherein: the middle part of curb plate is controlled and is run through and offered the mounting groove, and the mounting groove downwardly extending runs through the lower surface of curb plate, and the mounting groove is with the curb plate fall into anterior segment and back end, and the lower extreme of anterior segment and back end all is equipped with the walking wheel unit, lift platform is located between two anterior segments, and crushing mechanism locates the mounting groove, and the earth breaking plowshare is located the crushing mechanism below and is connected in the mounting groove through installation slider lift, is equipped with the side respectively on two back ends and cuts the motor, and the output level of side cutting the motor is inwards and connect the side that is located the back end inboard and cut the saw dish.

3. The tea tree pruner as set forth in claim 2, further characterized by: the upper part of the rear section is provided with a side cutting mounting hole, and a side cutting shell is vertically and slidably connected in the side cutting mounting hole; the side cutting shell is connected with a side extension cylinder body, and the extension end of the side extension cylinder body horizontally faces the inner side of the rear section and is connected with the side cutting motor and the side cutting saw disc.

4. The tea tree pruner as set forth in claim 2, further characterized by: the crushing mechanism comprises a rotary cutting unit, a longitudinal cutting unit and a crushing unit which are connected in sequence,

the rotary cutting unit comprises a horizontal pipeline and a conveying screw shaft in the horizontal pipeline, and the outlet end of the collecting notch is horizontally communicated with the inlet end of the horizontal pipeline backwards; the longitudinal cutting unit comprises a longitudinal cutting box body, a conveying channel communicated with the outlet end of the horizontal pipeline is penetratingly arranged on the longitudinal cutting box body, a plurality of longitudinal cutting cylinder bodies are arranged on the longitudinal cutting box body at intervals along the length direction of the conveying channel, the acting ends of the longitudinal cutting cylinder bodies are downwards connected with cutter blades communicated with the conveying channel, and the longitudinal cutting box body is connected with the top plate through lifting cylinder bodies; the crushing unit comprises a vertical pipeline and a crushing motor in the vertical pipeline, wherein an output shaft of the crushing motor is upwards and in driving connection with a plurality of crushing blades uniformly distributed in the circumferential direction, an outlet end of the conveying channel is communicated with the upper end of the vertical pipeline, and the lower end of the vertical pipeline is movably inserted into a vertical through hole on the mounting sliding block; the soil breaking plowshare is connected in a T-shaped sliding rail arranged on the lower surface of the installation sliding block in a left-right sliding manner through a T-shaped sliding block, and the lower end of the vertical through hole is connected to the rear side surface of the soil breaking plowshare through a flexible pipe.

5. The tea tree light pruning machine according to claim 4, wherein: the output shaft of the crushing motor is upwards and sequentially connected with a coaxial circular table section and each crushing blade, the small end of the circular table section is upwards, the outer conical surface of the circular table section is convexly provided with an extrusion blade strip corresponding to the inclination of the circular table section,

the vertical pipeline comprises a small-diameter section, an expanded-diameter section and a large-diameter section from top to bottom, the crushed aggregates motor is positioned in the large-diameter section, the round platform section is positioned in the expanded-diameter section, the expanded-diameter section has a taper corresponding to the outer conical surface of the round platform section, and a gap is reserved between the inner wall of the expanded-diameter section and the extrusion blade.

6. The tea tree light pruning machine according to claim 4, wherein: the outlet end of the conveying channel is connected with a tee joint, the other two interfaces of the tee joint are respectively vertically upwards and downwards, the downward interfaces are communicated with the upper end of the vertical pipeline, the upward interfaces are used for bearing a charging hopper, the lower end of the charging hopper is provided with an opening and closing valve, and a downward charging screw shaft is arranged in the charging hopper.

7. The tea tree light pruning machine according to claim 1, wherein: the lifting platform is provided with a vane plate lifting motor which is in driving connection with the vane plate; the saw disc lifting cylinder body is arranged on the lifting platform and is in driving connection with the blade driving motor through the saw disc lifting cylinder body;

the lifting platform is vertically penetrated and provided with a swing connecting hole, a bracket box body is penetrated in the swing connecting hole, the blade driving motor is vertically arranged in the bracket box body in a sliding way, the lower end of the bracket box body is open, the output end of the blade driving motor downwards extends out of the bracket box body and is connected with a circular saw disc, the saw disc lifting cylinder body is arranged on the bracket box body, and the telescopic rod of the saw disc lifting cylinder body downwards extends into the bracket box body and is connected with the blade driving motor;

the front and rear outer walls of the bracket box body are respectively connected with a lifting platform through horizontal swing shafts, driving wheels coaxial with the swing shafts are fixedly arranged on the front and rear outer walls of the bracket box body, and a swing motor which is in driving connection with the driving wheels is arranged on the lifting platform so as to drive the bracket box body to swing in the swing connecting holes.

8. The tea tree light pruning machine according to claim 7, wherein: the upper surface connection coaxial saw disc seat of saw disc, saw disc seat are vertical cylindric and the fixed shrouding that is equipped with in upper end, and the saw disc seals the lower extreme of connecting in saw disc seat, square hole has been seted up at the shrouding middle part, blade driving motor's output have with square section in order to transmit the moment of torsion of square hole adaptation, square section stretches into saw disc seat through square hole, and square section's free end terminal surface outwards extends has round protruding edge, and the compression has helical compression spring between protruding edge and the shrouding, and square section's free end terminal surface is concave to be offered the installation cavity, and the installation cavity internal fixation is equipped with the gap adjustment cylinder body, and the flexible effect end of gap adjustment cylinder body outwards acts on the upper surface of saw disc.

9. The tea tree light pruning machine according to claim 1, wherein: the side plates are provided with a hanging mounting hole in a left-right penetrating manner, the travelling wheel unit comprises a hanging shell, the hanging shell is vertically and slidably connected in the hanging mounting hole, and the side plates are provided with a height adjusting motor which is in driving connection with the hanging shell so as to adjust the height of the height adjusting motor; a distance adjusting slide block is vertically and slidably connected in the suspension shell, a vibration reduction unit is compressed between the distance adjusting slide block and the suspension shell, a hinge support lug is convexly arranged at one end of the distance adjusting slide block towards the outer side of the side plate, the hinge support lug is hinged with the inner end of a hinge seat through a vertical rotating shaft, and the outer end of the hinge seat is rotationally connected with wheels;

a slider mounting hole is formed in the suspension shell in a left-right penetrating manner, the distance-adjusting slider is movably connected in the slider mounting hole, and a distance-adjusting motor for driving the distance-adjusting slider to slide left and right in the slider mounting hole is arranged on the suspension shell; the distance-adjusting motor is arranged in the side wall of the suspension shell, the output of the distance-adjusting motor is connected with a straight gear which is vertical in the axial direction, the tooth shape of the straight gear protrudes out of the inner side surface of the side wall of the suspension shell and is meshed with a vertical rack arranged on the corresponding side surface of the distance-adjusting slide block, and the rack extends vertically to ensure that the straight gear can be always meshed with the distance-adjusting slide block when the distance-adjusting slide block moves vertically; the distance-adjusting slide block is provided with a steering power source which drives the hinging seat to rotate along the vertical rotating shaft so as to adjust the running direction of the wheels.

10. The tea tree light trimmer hanging structure of claim 9, wherein: the height adjusting motor is connected with a vertical screw rod in an output mode, the screw rod vertically penetrates through a hanging mounting hole, a hanging shell, a sliding block mounting hole and a distance adjusting sliding block, the screw rod penetrates through the hanging mounting hole, two ends of the screw rod are in running fit with corresponding side plates, the top wall and the bottom wall of the hanging shell are provided with internal threaded holes matched with the screw rod, the hanging shell is connected with the screw rod in a matched mode through the internal threaded holes to form a screw rod transmission structure, a yielding groove with a waist-shaped cross section is vertically formed in the distance adjusting sliding block in a penetrating mode, and the screw rod movably penetrates through the distance adjusting sliding block from the yielding groove; the upper surface of the distance-adjusting sliding block is concavely provided with a waist-round sinking groove corresponding to the section shape of the abdication groove, a gasket is slidably arranged in the waist-round sinking groove, the vibration reduction unit is a spiral pressure spring, the spiral pressure spring is compressed between the gasket and the top wall of the suspension shell, and the screw rod movably penetrates through the gasket and the spiral pressure spring.