CN110036754B

CN110036754B - Multi-functional trimming means of afforestation

Info

Publication number: CN110036754B
Application number: CN201910324572.8A
Authority: CN
Inventors: 李元应; 王艳平; 黄镶; 侯晓奎; 付克璐; 邢书美
Original assignee: Huanghe Jiaotong University
Current assignee: Huanghe Jiaotong University
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2021-05-07
Anticipated expiration: 2039-04-22
Also published as: CN110036754A

Abstract

The multifunctional pruning device for the landscaping comprises a seat plate, wherein the bottom surface of the seat plate is fixedly connected with the upper ends of a plurality of electric push rods, a plurality of strip-shaped plates parallel to the bottom plate are arranged below the bottom plate, the top surfaces of the strip-shaped plates are fixedly connected with the lower ends of the corresponding plurality of electric push rods, fixed cutters parallel to the strip-shaped plates are respectively and fixedly arranged on the bottom surfaces of the strip-shaped plates, movable cutters in contact fit with the fixed cutters are respectively arranged below the fixed cutters, and blanking pipes are respectively communicated with the inside and the outside of a box body; four corners of the bottom surface of the seat board are respectively provided with idler wheels through wheel carriers. The electric trimming device can adjust the trimming height, each fixed cutter and the corresponding movable cutter form a trimming unit, the height of each trimming unit can be adjusted through the electric push rod, the adjusting mode is more flexible, the electric trimming device can adapt to more complex terrains, the trimming units are different in height, and after the electric trimming device is used, withered and yellow fallen leaves are embellished on a green lawn, so that the aesthetic feeling of the garden can be improved.

Description

Multi-functional trimming means of afforestation

Technical Field

The invention belongs to the technical field of garden maintenance, and particularly relates to a multifunctional pruning device for landscaping.

Background

The lawn is an important component of landscaping, and the lawn needs to be frequently trimmed in the growth process in order to keep the lawn tidy and beautiful, promote the metabolism of lawn grass, reduce the occurrence of plant diseases and insect pests and the like. Since the twenty-first century, with the rapid development of national economy in China, the weeding industry in China keeps growing at a high speed for many years, but in recent years, the weeding industry faces development crisis, and the weeding industry in the future will pay more and more attention to technical innovation. With the development of the technology, the lawn trimming equipment can adjust the height, namely adjust the length of the grass stem after trimming, but the adjusting mode is mostly integral adjustment, and the adaptability to the terrain is low.

Disclosure of Invention

The invention provides a multifunctional pruning device for landscaping, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

the multifunctional pruning device for landscaping comprises a seat board, wherein the bottom surface of the seat board is fixedly connected with the upper ends of a plurality of electric push rods, a plurality of strip-shaped plates parallel to the seat board are arranged below the seat board, the top surfaces of the strip-shaped plates are fixedly connected with the lower ends of the corresponding plurality of electric push rods, the bottom surfaces of the strip-shaped plates are respectively and fixedly provided with a fixed knife parallel to the strip-shaped plates, movable knives in contact fit with the fixed knives are respectively arranged below the fixed knives, strip-shaped through grooves are respectively formed in the top surfaces of the fixed knives, T-shaped blocks are respectively and fixedly arranged on the top surfaces of the movable knives and penetrate through the corresponding strip-shaped through grooves, the bottom surfaces of transverse blocks of the T-shaped blocks are in contact fit with the top surfaces of the corresponding fixed knives, the rear ends of the movable knives are respectively hinged with one end of a movable rod, the other end of the movable rod is respectively hinged with an eccentric part of a cam, the center of the top surface of the, the top surface of the seat board is provided with a plurality of through holes which are in one-to-one correspondence with the rotating shafts, the rotating shafts respectively penetrate through the corresponding through holes, the top surface of the seat board is connected with the lower end of the sleeve through the bearing, the sleeve is in one-to-one correspondence with the rotating shafts, the rotating shafts are respectively in contact fit with the inner walls of the corresponding sleeves, chain wheels are respectively and fixedly installed on the peripheries of the sleeves, the chain wheels positioned on the same side are connected through a chain, a first gear is fixedly installed on the periphery of one sleeve positioned on the same side, a plurality of motors are fixedly installed on the top surface of the seat board, the motors are in one-to-one correspondence with the strip-shaped plates, the output shafts of the motors are upward and respectively and fixedly installed with a second gear, the second gears are respectively meshed with the corresponding first gears, a box body is fixedly installed on, the blanking pipes penetrate through the rectangular grooves and are positioned between the two adjacent rows of electric push rods, and the blanking pipes are respectively communicated with the inside and the outside of the box body simultaneously; four corners of the bottom surface of the seat board are respectively provided with idler wheels through wheel carriers.

The multifunctional pruning device for the garden greening comprises a wheel carrier, a base plate, a buffer sleeve, a spring, a connecting shaft and a bearing, wherein the wheel carrier comprises the buffer sleeve and the buffer rod, the top surface of the buffer sleeve is fixedly connected with the bottom surface of the base plate, the bottom surface of the buffer sleeve is open, the inner end of the buffer sleeve is fixedly connected with the upper end of the spring respectively, the lower end of the spring is fixedly connected with the upper end of the buffer rod respectively, and the lower end of the buffer rod is provided with the roller.

According to the multifunctional pruning device for landscaping, the arc-shaped plates are fixedly installed on the inner sides of the buffer rods respectively, and the rollers are located in the corresponding arc-shaped plates.

As above-mentioned multi-functional trimming means of afforestation, the box divide into box and lower box, go up the top of box under the bottom fixed connection of box, the bottom of going up the box is the toper structure, the inner wall bottom of box is the toper structure down, be equipped with two fore-and-aft commentaries on classics rollers in the lower box, the inner wall of box under the one end of commentaries on classics roller all passes through connecting axle and bearing connection, the other end of commentaries on classics roller is the one end of fixed connection input shaft respectively, the input shaft all runs through the lower box and passes through the bearing with the lower box and be connected, the other end of input shaft is fixed connection power device's output shaft respectively, the equal fixed mounting of power device is in lower box periphery, the periphery of commentaries on classics roller is fixed mounting several circles of cutting.

As above-mentioned multi-functional trimming means of afforestation, two sides set up vertical bar groove respectively around the unloading pipe, the bar groove all communicates with each other with the unloading intraduct, the upper and lower both ends in bar groove are equipped with horizontal band pulley respectively, one of them band pulley of every bar inslot has power device, connects through the belt between two band pulleys of every bar inslot.

According to the multifunctional trimming device for landscaping, the periphery of the belt is fixedly provided with the plurality of shifting plates.

As above-mentioned multi-functional trimming means of afforestation, the top surface fixed connection cover body of bedplate, the bottom surface opening of the cover body, motor, second gear, sleeve, first gear, sprocket and chain all are located the cover body, penetrating quad slit is seted up to the top surface of the cover body, the box passes from the quad slit.

According to the multifunctional pruning device for landscaping, the pushing handle is fixedly arranged on the top surface of the seat plate.

The invention has the advantages that: at least two rows of strip-shaped plates are arranged below the seat plate, at least two strip-shaped plates are arranged in each row, the two adjacent rows of strip-shaped plates are arranged in a staggered mode, the distance between every two adjacent rows of strip-shaped plates is slightly smaller than the length of the strip-shaped plates, and omission can be avoided when a lawn is trimmed. The top surface of the seat board is fixedly provided with a storage battery, the electric push rod and the motor are respectively connected with the storage battery circuit through a control switch, before the operation, the electric push rod is firstly adjusted, namely, the distance between the strip-shaped plate and the ground is adjusted, then the motor is started, the motor drives the sleeve to rotate through the meshing of the second gear and the first gear, the sleeve on the same side synchronously rotates under the transmission of the chain wheel and the chain, the rotating shaft of the square structure is in contact fit with the inner wall of the sleeve, therefore, the rotating shaft synchronously rotates along with the sleeve, the rotating shaft drives the cam to rotate, the cam and the movable rod form a crank connecting rod structure, under the mutual fit of the T-shaped block and the strip-shaped through groove, the crank connecting rod mechanism can drive the fixed knife to longitudinally move, one side of the fixed knife and one side of the movable knife are in a zigzag structure, the lawn can be trimmed, the fallen, the blanking pipe and the strip-shaped plates on the rear row are positioned on the same horizontal line in actual use, the longitudinal length of the blanking pipe is smaller than that of the fixed cutter, fallen leaves pass through the blanking pipe and then fall on a lawn, the movable cutter on the rear row can cut the fallen leaves, and the height of the strip-shaped plates on the rear row is slightly lower than that of the strip-shaped plates on the front row. The lawn trimmer can adjust the trimming height, each fixed cutter and the corresponding movable cutter form a trimming unit, the height of each trimming unit can be adjusted through the electric push rod, the adjusting mode is more flexible, the lawn trimmer can adapt to more complex terrains, the heights of the trimming units are different, and the lawn can be trimmed to form simple geometric patterns which cannot be realized by other conventional equipment; the fallen leaves in the garden are collected and poured into the box body, the fallen leaves are cut by the trimming unit in the rear row, and the wind is shielded by the grass with the higher two sides, so that the broken leaves can be prevented from being blown up by wind, the disordered lawn environment can be avoided, the rotten broken leaves can improve the soil quality of the lawn, and the soil fertility can be increased; the invention can automatically select whether to put fallen leaves in the box body, has high flexibility, and when fallen leaves exist in the box body, the withered and yellow fallen leaves are embellished on a green lawn after the fallen leaves pass through the box body, thereby increasing the aesthetic feeling of the garden.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; FIG. 3 is a schematic structural view of the crank mechanism of the present invention; FIG. 4 is a schematic view of the distribution of the strip; FIG. 5 is an enlarged view of section I of FIG. 1; fig. 6 is a partial enlarged view of ii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A garden greening multifunctional trimming device comprises a seat plate 1, wherein the bottom surface of the seat plate 1 is fixedly connected with the upper ends of a plurality of electric push rods 2, a plurality of strip-shaped plates 3 parallel to the seat plate 1 are arranged below the seat plate 1, the number of the electric push rods 2 is multiple of that of the strip-shaped plates 3, the top surfaces of the strip-shaped plates 3 are fixedly connected with the lower ends of the corresponding plurality of electric push rods 2, fixed knives 4 parallel to the strip-shaped plates 3 are respectively and fixedly installed on the bottom surfaces of the strip-shaped plates 3, gaps are reserved between the fixed knives 4 and the strip-shaped plates 3, one sides of the fixed knives 4 extend out of the strip-shaped plates 3, movable knives 5 in contact fit with the fixed knives 4 are respectively arranged below the fixed knives 4, strip-shaped through grooves 6 are respectively formed on the top surfaces of the fixed knives 4, T-shaped blocks 7 are respectively and fixedly installed on the top surfaces of the movable knives 5, the T-shaped blocks 7 penetrate through the corresponding strip-shaped through grooves, the rear end of the movable knife 5 is respectively hinged with one end of a movable rod 8, the other end of the movable rod 8 is respectively hinged with the eccentric part of a cam 9, the center of the top surface of the cam 9 is fixedly connected with the lower end of a rotating shaft 10, the rotating shafts 10 are square rods, the rotating shafts 10 respectively penetrate through corresponding strip-shaped plates 3 and are connected with the strip-shaped plates 3 through bearings, the top surface of the seat plate 1 is provided with a plurality of through holes 11, the through holes 11 are in one-to-one correspondence with the rotating shafts 10, the rotating shafts 10 respectively penetrate through the corresponding through holes 11, the top surface of the seat plate 1 is connected with the lower end of a sleeve 12 through bearings, the sleeves 12 are in one-to-one correspondence with the rotating shafts 10, the sleeves 12 are in an outer circle inner square structure, the rotating shafts 10 are respectively in contact fit with the inner walls of the corresponding sleeves 12, chain wheels 13 are respectively and fixedly installed on the periphery of the, a first gear 15 is fixedly installed on the periphery of one of the sleeves 12 positioned on the same side, a plurality of motors 32 are fixedly installed on the top surface of the seat plate 1, the motors 32 correspond to the strip-shaped plates 3 one by one, output shafts of the motors 32 face upward and are respectively and fixedly installed with a second gear 16, the second gears 16 are respectively meshed with the corresponding first gears 15, a box body 17 is fixedly installed on the top surface of the seat plate 1, the top surface of the box body 17 is opened, a through rectangular groove 18 is formed in the top surface of the seat plate 1, the bottom surface of the box body 17 is fixedly connected with the top surface of a blanking pipe 19, the blanking pipe 19 penetrates through the rectangular groove 18, the blanking pipe 19 is positioned between two adjacent rows of electric push rods 2, and the blanking pipe 19; four corners of the bottom surface of the seat board 1 are respectively provided with rollers 20 through wheel carriers. At least two rows of strip-shaped plates 3 are arranged below the base plate 1, at least two strip-shaped plates 3 are arranged in each row, the two adjacent rows of strip-shaped plates 3 are arranged in a staggered mode, the distance between every two adjacent rows of strip-shaped plates 3 is slightly smaller than the length of the strip-shaped plates 3, and omission can be avoided when a lawn is trimmed. The top surface of the seat board 1 is fixedly provided with a storage battery, the electric push rod 2 and the motor 32 are respectively connected with the storage battery circuit through a control switch, before the lawn mower works, the electric push rod 2 is firstly adjusted, namely, the distance between the strip-shaped plate 3 and the ground is adjusted, then the motor 32 is started, the motor 32 drives the sleeve 12 to rotate through the meshing of the second gear 16 and the first gear 15, the sleeve 12 on the same side synchronously rotates under the transmission of the chain wheel 13 and the chain 14, the rotating shaft 10 of the square structure is in contact fit with the inner wall of the sleeve 12, therefore, the rotating shaft 10 synchronously rotates along with the sleeve 12, the rotating shaft 10 drives the cam 9 to rotate, the cam 9 and the movable rod 8 form a crank-link structure, under the mutual fit of the T-shaped block 7 and the strip-shaped through groove 6, the crank-link mechanism can drive the fixed knife 4 to longitudinally move, one side of the fixed knife 4 and one side of the, fallen leaves are added into the box body 17 and move downwards along the blanking pipe 19 under the action of gravity, the blanking pipe 19 is positioned on the same horizontal line with the strip-shaped plates 3 in the rear row during actual use, the longitudinal length of the blanking pipe 19 is smaller than that of the fixed knife 4, the fallen leaves pass through the blanking pipe 19 and then fall on a lawn, the movable knife 5 in the rear row can cut the fallen leaves, the height of the strip-shaped plates 3 in the rear row is slightly lower than that of the strip-shaped plates 3 in the front row, a plurality of grooves can be formed in the trimmed lawn after the lawn is passed by the lawn mower, and the cut fallen leaves are positioned in the grooves and can be prevented from being blown up by wind. The lawn trimmer can adjust the trimming height, each fixed cutter 4 and the corresponding movable cutter 5 form a trimming unit, the height of each trimming unit can be adjusted through the electric push rod 2, the adjusting mode is more flexible, the lawn trimmer can adapt to more complex terrains, the heights of the trimming units are different, and the lawn can be trimmed to form simple geometric patterns, which cannot be realized by other conventional equipment; fallen leaves in the garden are collected and poured into the box body 17, the fallen leaves are cut by the trimming units in the rear row, wind is blocked by the grass with the higher two sides, broken leaves can be prevented from being blown up by wind, the disordered lawn environment can be avoided, the rotten broken leaves can improve the soil quality of the lawn, and the soil fertility is increased; the invention can automatically select whether fallen leaves are put in the box body 17 or not, has high flexibility, and when fallen leaves exist in the box body 17, the fallen leaves with withered and yellow colors are embellished on a green lawn after the fallen leaves pass through the box body, thereby increasing the aesthetic feeling of the garden.

Specifically, as shown in fig. 1, the wheel carrier according to the present embodiment includes a buffer sleeve 21 and a buffer rod 22, wherein the top surface of the buffer sleeve 21 is fixedly connected to the bottom surface of the seat plate 1, the bottom surface of the buffer sleeve 21 is open, the inner end of the buffer sleeve 21 is fixedly connected to the upper end of a spring 23, the lower end of the spring 23 is fixedly connected to the upper end of the buffer rod 22, and the lower end of the buffer rod 22 is provided with the roller 20 through a connecting shaft and a bearing. Under the action of gravity of bedplate 1 and its upper member, spring 23 is not complete shrink, the periphery of buffer rod 22 and the inner wall contact cooperation of cushion collar 21, and buffer rod 22 can follow the vertical slip of cushion collar 21, and when meeting rugged road surface, spring 23 is flexible so that gyro wheel 20 laminating ground is favorable to the more steady removal of this device.

Specifically, as shown in fig. 1, the inner sides of the buffer rods 22 in this embodiment are respectively and fixedly installed with arc-shaped plates 24, and the rollers 20 are located in the corresponding arc-shaped plates 24. This structure can prevent that the grass leaf that cuts off from being stained with on gyro wheel 20, and arc 24 is elastic material, uses to accomplish the back, and the user steps on gently with the foot and releases fiercely behind the arc 24, makes the arc 24 vibrate fast to get rid of the grass bits on the arc 24, can avoid the grass bits to drop along with this device when the removal on the road everywhere.

Further, as shown in fig. 1, the box 17 described in this embodiment is divided into an upper box and a lower box, the bottom of the upper box is fixedly connected to the top of the lower box, the bottom of the upper box is of a conical structure, the bottom of the inner wall of the lower box is of a conical structure, two longitudinal rotating rollers 25 are arranged in the lower box, one ends of the rotating rollers 25 are connected to the inner wall of the lower box through a connecting shaft and a bearing, the other ends of the rotating rollers 25 are respectively and fixedly connected to one end of an input shaft 26, the input shaft 26 penetrates through the lower box and is connected to the lower box through a bearing, the other end of the input shaft 26 is respectively and fixedly connected to an output shaft of a power device, the power device is respectively and fixedly mounted on the periphery of the lower box, a plurality of cutting edges are respectively and fixedly mounted on the periphery of. Go up the fallen leaves that store the collection in the box, fallen leaves move to box direction down under the action of gravity, power device passes through input shaft 26 and drives the commentaries on classics roller 25 and rotate, and two power device turn to conversely, just also make the commentaries on classics of commentaries on classics roller 25 opposite, leaf in the box 17 can be cut along with commentaries on classics roller 25 pivoted cutting edge, infusion after the cutting falls on the lawn, can alleviate the stationary knife 4 at rear and move the burden of sword 5, and the leaf after the secondary cutting is more smashed, be favorable to it to decay in shorter time and melt into soil.

Furthermore, as shown in fig. 1, the front and back surfaces of the blanking tube 19 according to this embodiment are respectively provided with a vertical strip-shaped groove 27, the strip-shaped grooves 27 are both communicated with the inside of the blanking tube 19, the upper and lower ends of the strip-shaped grooves 27 are respectively provided with a horizontal belt pulley 28, one belt pulley 28 in each strip-shaped groove 27 is provided with a power device, and the two belt pulleys 28 in each strip-shaped groove 27 are connected through a belt 29. The belt wheel 28 rotates to drive the belt 29 to rotate, a part of the belt 29 is located in the blanking pipe 19, and the part of the belt 29 located in the blanking pipe 19 moves downwards to drive the crushing blades in the blanking pipe 19 to move downwards, so that the blanking pipe 19 can be prevented from being blocked.

Furthermore, as shown in fig. 1, a plurality of shifting plates 30 are fixedly mounted on the periphery of the belt 29 according to the embodiment. When the shifting plate 30 moves downwards, the contact area between the belt 29 and the crushing blades can be increased, so that more crushing blades can be driven to move downwards.

Furthermore, as shown in fig. 1, the top surface of the seat plate 1 according to this embodiment is fixedly connected to the bottom surface of the cover 31, the bottom surface of the cover 31 is open, the motor 32, the second gear 16, the sleeve 12, the first gear 15, the sprocket 13 and the chain 14 are all located in the cover 31, the top surface of the cover 31 is provided with a through square hole 33, and the box 17 passes through the square hole 33. The structure can avoid the influence of external dust or impurities on the meshing of the first gear 15 and the second gear 16 and the transmission of the chain wheel 13 and the chain 14.

Further, as shown in fig. 1, a push handle 34 is fixedly installed on the top surface of the seat plate 1 according to the embodiment. The push handle 34 is of an inverted U-shaped structure, and both ends of the push handle are fixedly connected with the top surface of the seat board 1, so that a user can conveniently move the device by holding the top of the push handle 34 with hands.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Multi-functional trimming means of afforestation, its characterized in that: comprises a seat board (1), the bottom surface of the seat board (1) is fixedly connected with the upper ends of a plurality of electric push rods (2), a plurality of strip-shaped plates (3) parallel to the seat board (1) are arranged below the seat board (1), the top surfaces of the strip-shaped plates (3) are fixedly connected with the lower ends of the corresponding plurality of electric push rods (2), the bottom surfaces of the strip-shaped plates (3) are respectively and fixedly provided with fixed cutters (4) parallel to the strip-shaped plates (3), the lower parts of the fixed cutters (4) are respectively provided with movable cutters (5) in contact fit with the fixed cutters (4), the top surfaces of the fixed cutters (4) are respectively provided with strip-shaped through grooves (6), the top surfaces of the movable cutters (5) are respectively and fixedly provided with T-shaped blocks (7), the T-shaped blocks (7) all penetrate through the corresponding strip-shaped through grooves (6), the bottom surfaces of transverse blocks of the T-shaped blocks (7) are respectively in contact fit with the top surfaces of the corresponding fixed cutters (4), the rear ends, the other end of the movable rod (8) is respectively hinged with the eccentric position of the cam (9), the center of the top surface of the cam (9) is fixedly connected with the lower end of a rotating shaft (10), the rotating shaft (10) is a square rod, the rotating shaft (10) respectively penetrates through the corresponding strip-shaped plates (3) and is connected with the strip-shaped plates (3) through a bearing, the top surface of the seat plate (1) is provided with a plurality of through holes (11), the through holes (11) are in one-to-one correspondence with the rotating shaft (10), the rotating shaft (10) respectively penetrates through the corresponding through holes (11), the top surface of the seat plate (1) is connected with the lower end of a sleeve (12) through a bearing, the sleeve (12) is in one-to-one correspondence with the rotating shaft (10), the sleeve (12) is of an outer circle inner square structure, the rotating shaft (10) is respectively in contact fit with the inner walls of the corresponding sleeve (12), the periphery of the sleeve (, the periphery of one of the sleeves (12) positioned on the same side is fixedly provided with a first gear (15), the top surface of the seat plate (1) is fixedly provided with a plurality of motors (32), the motors (32) correspond to the strip-shaped plates (3) one by one, the output shafts of the motors (32) face upwards and are respectively and fixedly provided with a second gear (16), the second gears (16) are respectively meshed with the corresponding first gears (15), the top surface of the seat plate (1) is fixedly provided with a box body (17), the top surface of the box body (17) is opened, the top surface of the seat plate (1) is provided with a through rectangular groove (18), the bottom surface of the box body (17) is fixedly connected with the top surface of a discharging pipe (19), the discharging pipe (19) penetrates through the rectangular groove (18), the discharging pipe (19) is positioned between two adjacent rows of electric push rods (2), and the discharging pipe (19) is respectively and simultaneously communicated; four corners of the bottom surface of the seat board (1) are respectively provided with rollers (20) through wheel carriers.

2. The multifunctional pruning device for landscaping as set forth in claim 1, wherein: the wheel carrier comprises a buffer sleeve (21) and a buffer rod (22), the top surface of the buffer sleeve (21) is fixedly connected with the bottom surface of the seat plate (1), the bottom surface of the buffer sleeve (21) is open, the inner end of the buffer sleeve (21) is fixedly connected with the upper end of a spring (23) respectively, the lower end of the spring (23) is fixedly connected with the upper end of the buffer rod (22) respectively, and the lower end of the buffer rod (22) is provided with a roller (20) through a connecting shaft and a bearing respectively.

3. The multifunctional pruning device for landscaping according to claim 2, wherein: the inner sides of the buffer rods (22) are respectively fixedly provided with arc-shaped plates (24), and the rollers (20) are positioned in the corresponding arc-shaped plates (24).

4. The multifunctional trimming device for landscaping of claim 1, 2 or 3, wherein: box (17) divide into box and lower box, go up the top of box under the bottom fixed connection of box, the bottom of going up the box is the toper structure, the inner wall bottom of box is the toper structure down, be equipped with two fore-and-aft commentaries on classics roller (25) in the lower box, the inner wall of box under connecting axle and bearing connection is all passed through to the one end of commentaries on classics roller (25), the other end of commentaries on classics roller (25) is the one end of fixed connection input shaft (26) respectively, input shaft (26) all run through the lower box and pass through the bearing with the lower box and be connected, the other end of input shaft (26) is fixed connection power device's output shaft respectively, the equal fixed mounting of power device is in box periphery down, the periphery of commentaries on classics roller (25) is fixed mounting several circles of cutting edges respectively, the cutting edge.

5. The multifunctional trimming device for landscaping of claim 1, 2 or 3, wherein: vertical strip-shaped grooves (27) are formed in the front face and the rear face of the blanking pipe (19) respectively, the strip-shaped grooves (27) are communicated with the interior of the blanking pipe (19), transverse belt wheels (28) are arranged at the upper end and the lower end of each strip-shaped groove (27) respectively, one belt wheel (28) in each strip-shaped groove (27) is provided with a power device, and the two belt wheels (28) in each strip-shaped groove (27) are connected through a belt (29).

6. The multifunctional pruning device for landscaping according to claim 5, wherein: the periphery of the belt (29) is fixedly provided with a plurality of shifting plates (30).

7. The multifunctional trimming device for landscaping of claim 1, 2, 3 or 6, wherein: the top surface of bedplate (1) fixed connection cover body (31) the bottom surface, the bottom surface opening of cover body (31), motor (32), second gear (16), sleeve (12), first gear (15), sprocket (13) and chain (14) all are located cover body (31), penetrating quad slit (33) is seted up to the top surface of cover body (31), box (17) are passed in quad slit (33).

8. The multifunctional trimming device for landscaping of claim 1, 2, 3 or 6, wherein: the top surface of the seat plate (1) is fixedly provided with a push handle (34).