CN212413952U

CN212413952U - Automatic trimming means is used in afforestation

Info

Publication number: CN212413952U
Application number: CN202020576393.1U
Authority: CN
Inventors: 赵金夺
Original assignee: Henan Yuejiang Technology Co ltd
Current assignee: Henan Yuejiang Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-29
Anticipated expiration: 2030-04-17

Abstract

The utility model belongs to the technical field of gardening cutting tools, in particular to an automatic pruning device for landscaping; the crawler belt comprises a crawler belt chassis and crawler wheels, wherein the chassis is connected with a base, the base is connected with a first guide rail and a second guide rail, the first guide rail and the second guide rail are mutually connected through a guide rail connecting piece, and the right side surface of the first guide rail is provided with teeth; the first guide rail and the second guide rail are connected with a trimming frame, the trimming frame comprises a main frame plate, a guide rail motor and a trimming motor, the guide rail motor is connected with a gear, and the gear is meshed with the first guide rail; the rear side surface of the main frame plate is provided with a first guide wheel, a second guide wheel and a limiting ball, the left end of the main frame plate is connected with a baffle, an output shaft of the trimming motor is connected with a coupler, the coupler penetrates through the baffle to be connected with a turntable shaft, and the turntable shaft is connected with a branch and leaf shearing tool; the utility model discloses can carry out the cambered surface to green grass, color lump and typewriter ribbon etc. and prune, improve the quality and the efficiency that gardens nursery stock was pruned.

Description

Automatic trimming means is used in afforestation

Technical Field

The utility model belongs to the technical field of horticulture cutting means, concretely relates to automatic trimming means is used in afforestation.

Background

Along with the rapid promotion of the urbanization process and the continuous improvement of the requirements of people on urban living environment, the area of afforestation in an urban area is continuously increased, the variety number of landscaping nursery stocks is continuously increased, and meanwhile, the workload of landscaping maintenance is gradually increased; in the process of landscaping and maintenance, pruning of the nursery stock is very important work, so that the nursery stock can grow better, and can be modeled to be tidy and attractive, and the effect of beautifying the environment is achieved; in the afforestation gardens in the city, what use most is lawn, gracilaria, color lump and typewriter ribbon, wherein, can use the existing lawn trimmer to the trimming of lawn to reach fine effect, and for mostly being bush or liana gracilaria, color lump or typewriter ribbon, the existing machine can only carry out the right angle trimming of plane in its process of advancing, and the trimming that will carry out the cambered surface can only be accomplished by the manual work, and easily cause destructive rolling to soil and lawn grass when current machinery walks in the lawn, therefore, it is necessary to design an automatic trimming device for afforestation that can solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art, and providing an automatic pruning device for landscaping, which has reasonable structure and convenient use and can prune the cambered surface of green gracilaria, color blocks, colored bands and the like.

The purpose of the utility model is realized like this: an automatic trimming device for landscaping comprises a chassis, wherein the chassis is a crawler chassis, crawler wheels are arranged at the lower part of the chassis, a base is fixedly connected onto the chassis and comprises a bottom plate, a shoe plate is fixedly connected onto the upper surface of the bottom plate, a partition plate is fixedly connected onto the right side surface of the shoe plate, and a reinforcing plate is fixedly arranged in a gap formed among the partition plate, the shoe plate and the bottom plate; the left side surface of the boot plate is fixedly connected with a first guide rail and a second guide rail through base bolts, the sections of the first guide rail and the second guide rail are trapezoidal, the first guide rail and the second guide rail are connected with each other through guide rail connecting pieces, the first guide rail and the second guide rail are both arc-shaped guide rails, and teeth are arranged on the right side surface of the first guide rail along the length direction of the first guide rail; the first guide rail and the second guide rail are connected with a trimming frame, the trimming frame comprises a main frame plate, a guide rail motor is arranged at the upper part of the front side surface of the main frame plate, an output shaft of the guide rail motor penetrates through the main frame plate to be connected with a gear, and the gear is meshed and connected with the first guide rail through the teeth; a first guide wheel and a second guide wheel are fixedly arranged on the rear side surface of the main frame plate, the first guide wheel is in rolling connection with the first guide rail, and the second guide wheel is in rolling connection with the second guide rail; the rear side surface of the main frame plate is fixedly provided with a limiting ball, and the limiting ball is respectively in rolling connection with the first guide rail and the second guide rail; the pruning machine is characterized in that a pruning motor is arranged on the lower portion of the front side face of the main frame plate, a baffle is connected to the left end of the main frame plate, an output shaft of the pruning motor is connected with a coupler, the coupler penetrates through the baffle to be connected with a turntable shaft, and a branch and leaf shearing cutter is fixedly connected with the turntable shaft.

The guide rail connecting piece comprises a middle connecting rod, connecting pipes are connected to two ends of the middle connecting rod, connecting bolts are arranged in the connecting pipes, and the guide rail connecting piece is fixedly connected with the first guide rail and the second guide rail through the connecting bolts.

And a balancing weight is arranged on the right side of the base.

The trimming motor is fixedly connected with the main frame plate through a connecting seat plate, and the connecting seat plate is integrally an L-shaped plate.

And a fixing bolt is arranged on the side surface of the coupler, and the position of the turntable shaft can be adjusted by adjusting the fixing bolt.

The branch and leaf shearing tool comprises a cutting turntable, wherein a center connecting block is arranged in the middle of the cutting turntable, and the center connecting block is fixedly connected with the turntable shaft.

The branch and leaf shearing tool comprises a shearing blade, the right side surface of the shearing blade is fixedly connected with a fixed connecting rod, the fixed connecting rod is connected with a fixed connecting block, and the fixed connecting block is fixedly connected to the left side surface of the baffle; the lower part of the right side face of the shearing blade is rotatably connected with a second transmission rod, the second transmission rod is rotatably connected with an intermediate connecting rod, the intermediate connecting rod is rotatably connected with a first transmission rod, the first transmission rod is connected with a rotating disc, and the rotating disc is fixedly connected with the end face of a rotating disc shaft.

The shearing blade comprises an outer blade and an inner blade, and the outer blade is connected with the inner blade in a sliding manner; the fixed connecting rod comprises a limiting head, the limiting head penetrates through the inner blade and the outer blade, the limiting head is fixedly connected with the inner blade, and the limiting head is connected with the outer blade in a sliding mode.

The fixed connecting block is provided with a tightening bolt, and the position of the fixed connecting rod can be adjusted by adjusting the tightening bolt.

The limiting ball is arranged on the top cap, the ball is arranged on the upper portion of the top cap, a threaded rod is connected to the lower portion of the top cap, a nut is connected to the threaded rod in a threaded mode, and a pressure spring is sleeved outside the threaded rod.

The utility model has the advantages that: the walking mechanism of the utility model adopts the crawler-type chassis and the crawler wheels, which can ensure that the device can walk stably in non-hardened lawns and the like, and the crawler wheels with larger contact area can reduce the pressure to the ground, thereby avoiding destructive rolling to the lawn grass or soil; the first guide rail and the second guide rail are integrally L-shaped arc guide rails and can provide guidance and support for the trimming frame, and the branch and leaf trimming cutter of the trimming frame can move along with the trimming frame along the first guide rail and the second guide rail in the trimming process to trim the arc surfaces of hedgerows, color blocks, color bands and the like, wherein the first guide rail and the second guide rail are fixedly connected with the chassis through the base, and the base can provide stable fixed connection for the first guide rail and the second guide rail through the boot plate, the partition plate, the reinforcing plate and the bottom plate, so that the stability of the device in the operation process is ensured; the first guide rail and the second guide rail are mutually connected through a plurality of guide rail connecting pieces, so that the relative position of the first guide rail and the second guide rail is prevented from changing in the running process of the device, and the stability of the whole guide rail can be ensured; the trimming frame is provided with a guide rail motor, the guide rail motor is a stepping motor with a ninety-degree speed reducer, an output shaft of the guide rail motor is connected with a gear and is meshed with a first guide rail through teeth, the gear is provided with power through the guide rail motor, the whole trimming frame can be driven to move along the guide rail, a first guide wheel and a second guide wheel are respectively in rolling connection with the first guide rail and the second guide rail in the moving process, and a limiting ball is in rolling connection with the first guide rail and the second guide rail, so that the limiting and the guiding of the trimming frame are realized, and meanwhile, the stability of the trimming frame in the moving process is ensured; the pruning motor can provide power for the branch and leaf pruning tool to realize the pruning work of the nursery stock, meanwhile, different types of branch and leaf pruning tools can be adopted according to different types of nursery stocks, the rotary cutting tool can be used for vine nursery stocks and shrubs with soft branches, the rotary cutting tool can be used for dense and strong shrubs, and the shearing tool can be used for better realizing the pruning of garden nursery stocks and improving the pruning quality and efficiency; the utility model discloses compact rational in infrastructure, operation convenient to use, the rapid stabilization of marcing on non-sclerosis ground such as lawn can carry out the cambered surface to green gracilaria, color lump and typewriter ribbon etc. and prune, has improved the quality and the efficiency that gardens nursery stock was pruned.

Drawings

Fig. 1 is the utility model relates to an automatic trimming means's for afforestation orthographic view structure schematic diagram.

Fig. 2 is a schematic view of a connection structure of the first guide rail, the second guide rail and the base.

Fig. 3 is a schematic front view of the trimming frame according to the embodiment of the present invention.

Fig. 4 is a schematic view of the structure of fig. 3 in which the trimming bracket is connected to the first rail and the second rail.

Fig. 5 is a schematic front view of the trimming frame according to the embodiment of the present invention.

Fig. 6 is a partial structural diagram of the region a in fig. 5.

Fig. 7 is a schematic view of the structure of the shearing blade of fig. 5.

Fig. 8 is a schematic structural view in the direction of a-a in fig. 1.

Fig. 9 is the utility model relates to a afforestation is with automatic trimming means's guide rail connection's schematic structure diagram.

Fig. 10 is the utility model discloses a afforestation is with automatic trimming means's spacing ball's schematic structure diagram.

In the figure: 1. crawler wheel 2, chassis 3, base 4, first guide rail 5, trimming frame 6, second guide rail 7, balancing weight 8, bottom plate 9, reinforcing plate 10, partition plate 11, shoe plate 12, base bolt 13, guide rail connecting piece 14, tooth 15, cutting turntable 16, turntable shaft 17, center connecting block 18, fixing bolt 19, coupling 20, baffle 21, main frame plate 22, guide rail motor 23, trimming motor 24, connecting seat plate 25, shearing blade 26, fixing connecting rod 27, fixing connecting block 28, second transmission rod 29, middle connection rod 30, first transmission rod 31, outer blade 32, limiting head 33, inner blade 34, rotating disk 35, tightening bolt 36, first guide wheel 37, limiting ball 38, gear 39, second guide wheel 40, connecting pipe 41, and the like, A connecting bolt 42, a middle connecting rod 43, a nut 44, a pressure spring 45, a threaded rod 46, a top cap 47 and balls.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1-10, an automatic trimming device for landscaping comprises a chassis 2, wherein the chassis 2 is a crawler chassis, crawler wheels 1 are arranged on the lower portion of the chassis 2, a base 3 is fixedly connected to the chassis 2, the base 3 comprises a bottom plate 8, a shoe plate 11 is fixedly connected to the upper surface of the bottom plate 8, a partition plate 10 is fixedly connected to the right side surface of the shoe plate 11, and a reinforcing plate 9 is fixedly arranged in a gap formed among the partition plate 10, the shoe plate 11 and the bottom plate 8; the left side surface of the shoe plate 11 is fixedly connected with a first guide rail 4 and a second guide rail 6 through a base bolt 12, the sections of the first guide rail 4 and the second guide rail 6 are trapezoidal, the first guide rail 4 and the second guide rail 6 are connected with each other through a guide rail connecting piece 13, the first guide rail 4 and the second guide rail 6 are both arc-shaped guide rails, and teeth 14 are arranged on the right side surface of the first guide rail 4 along the length direction of the first guide rail; the first guide rail 4 and the second guide rail 6 are connected with a trimming frame 5, the trimming frame 5 comprises a main frame plate 21, a guide rail motor 21 is arranged at the upper part of the front side surface of the main frame plate 21, an output shaft of the guide rail motor 22 penetrates through the main frame plate 21 to be connected with a gear 38, and the gear 38 is meshed with the first guide rail 4 through the teeth 14; a first guide wheel 36 and a second guide wheel 39 are fixedly arranged on the rear side surface of the main frame plate 21, the first guide wheel 36 is in rolling connection with the first guide rail 4, and the second guide wheel 39 is in rolling connection with the second guide rail 6; a limiting ball 37 is fixedly arranged on the rear side surface of the main frame plate 21, and the limiting ball 37 is respectively in rolling connection with the first guide rail 4 and the second guide rail 6; the pruning machine is characterized in that a pruning motor 23 is arranged on the lower portion of the front side face of the main frame plate 21, a baffle plate 20 is connected to the left end of the main frame plate 21, a coupler 19 is connected to an output shaft of the pruning motor 23, the coupler 19 penetrates through the baffle plate 20 to be connected with a turntable shaft 16, and a branch and leaf shearing cutter is fixedly connected to the turntable shaft 16.

The travelling mechanism of the utility model adopts the crawler-type chassis 2 and the crawler wheels 1, which can ensure that the device can stably travel on non-hardened lawns and the like, and the crawler wheels 1 with larger contact area can reduce the pressure on the ground, thereby avoiding destructive rolling on lawn grass or soil; the first guide rail 4 and the second guide rail 6 are integrally L-shaped arc-shaped guide rails which can provide guidance and support for the trimming frame 5, and the branch and leaf trimming cutter of the trimming frame 5 can move along the first guide rail 4 and the second guide rail 6 along with the trimming frame 5 in the trimming process to trim arc surfaces of hedges, color blocks, color bands and the like, wherein the first guide rail 4 and the second guide rail 6 are fixedly connected with the chassis 2 through the base 3, and the base 3 can provide stable fixed connection for the first guide rail 4 and the second guide rail 6 through the shoe plate 11, the partition plate 10, the reinforcing plate 9 and the bottom plate 8, so that the stability of the device in operation is ensured; the first guide rail 4 and the second guide rail 6 are connected with each other through a plurality of guide rail connecting pieces 13, so that the relative positions of the first guide rail 4 and the second guide rail 6 are prevented from changing in the running process of the device, and the stability of the whole guide rail can be ensured; the guide rail motor 22 is arranged on the trimming frame 5, the guide rail motor 22 is a stepping motor with a ninety-degree speed reducer, an output shaft of the guide rail motor is connected with the gear 38 and meshed with the first guide rail 4 through the teeth 14, the gear 38 is provided with power through the guide rail motor 22, the whole trimming frame 5 can be driven to move along the guide rail, the first guide wheel 36 and the second guide wheel 39 are respectively in rolling connection with the first guide rail 4 and the second guide rail 6 in the moving process, and the limiting ball 37 is in rolling connection with the first guide rail 4 and the second guide rail 6, so that the limiting and the guiding of the trimming frame 5 are realized, and meanwhile, the stability of the trimming frame 5 in the moving process is ensured; the pruning motor 23 can provide power for the branch and leaf pruning tool to realize the pruning work of the nursery stock, and meanwhile, different types of branch and leaf pruning tools can be adopted according to different types of nursery stocks, so that the rotary cutting type tool can be used for vine nursery stocks and shrubs with soft branches, the rotary cutting type tool can be used for cutting dense and thick shrubs with strong branches, and the shearing type tool can be used for better realizing the pruning of garden nursery stocks and improving the pruning quality and efficiency; the utility model discloses compact rational in infrastructure, operation convenient to use, the rapid stabilization of marcing on non-sclerosis ground such as lawn can carry out the cambered surface to green gracilaria, color lump and typewriter ribbon etc. and prune, has improved the quality and the efficiency that gardens nursery stock was pruned.

Example 2

In order to achieve better effect, the guide rail connecting part 13 comprises a middle connecting rod 42, two ends of the middle connecting rod 42 are connected with connecting pipes 40, connecting bolts 41 are arranged in the connecting pipes 40, and the guide rail connecting part 13 is fixedly connected with the first guide rail 4 and the second guide rail 6 through the connecting bolts 41; the connecting pipe 40 and the middle connecting rod 42 are integrated, the connecting pipe 40 can be respectively inserted into the connecting holes arranged on the back surfaces of the first guide rail 4 and the second guide rail 6, and then the connecting bolt 41 is respectively inserted into the connecting pipe 40 and screwed into the first guide rail 4 or the second guide rail 6.

For better effect, the right side of base 3 is provided with balancing weight 7, the accessible balancing weight 7 balances the focus of this device, guarantees this device and marchs and prune the stability of operation in-process.

For better effect, prune motor 23 through connect the bedplate 24 with main frame plate 21 fixed connection, connect bedplate 24 whole be the L template, through the L template will prune motor 23 fixes on the main frame plate 21, stable in structure, the installation is dismantled conveniently, and is simple high-efficient, improves the production and the maintenance efficiency of this device.

For better effect, a fixing bolt 18 is arranged on the side surface of the coupler 19, and the position of the turntable shaft 16 can be adjusted by adjusting the fixing bolt 18, so that the distance between the branch and leaf shearing tool and the baffle 20 can be adjusted to adapt to different operation requirements, and the applicability of the device in practical application is improved.

For better effect, branch and leaf shearing tool is including cutting carousel 15, cutting carousel 15 middle part is provided with central piecing block 17, central piecing block 17 fixedly connected with carousel axle 16 uses the cutter of rotatory cutting class, can carry out the efficient operation of cuting of high quality to the thin and soft bush of lian nursery stock and branch, improves the practicality of this device.

For better effect, the branch and leaf cutting tool comprises a cutting blade 25, a fixed connecting rod 26 is fixedly connected to the right side surface of the cutting blade 25, a fixed joint block 27 is connected to the fixed connecting rod 26, and the fixed joint block 27 is fixedly connected to the left side surface of the baffle 20; a second transmission rod 28 is rotatably connected to the lower portion of the right side of the shearing blade 25, the second transmission rod 28 is rotatably connected to an intermediate link 29, the intermediate link 29 is rotatably connected to a first transmission rod 30, the first transmission rod 30 is connected to a rotating disc 34, and the rotating disc 34 is fixedly connected to the end face of the rotating disc shaft 16; the cutting blades 25 cut branches and leaves by utilizing high-speed relative movement among the blades, the rotating disc 34, the first transmission rod 30, the middle connecting rod 29 and the second transmission rod 28 are matched with each other, the rotation of the rotating disc shaft 16 is converted into the up-and-down reciprocating motion of the second transmission rod 28, power is provided for the cutting blades 25, and dense and thick shrubs can be cut.

For better effect, the shearing blade 25 comprises an outer blade 31 and an inner blade 33, and the outer blade 31 and the inner blade 33 are connected in a sliding way; the fixed connecting rod 26 comprises a limiting head 32, the limiting head 32 penetrates through the inner blade 33 and the outer blade 31, the limiting head 32 is fixedly connected with the inner blade 33, and the limiting head 32 is connected with the outer blade 31 in a sliding manner; the inner blade 33 is fixed by the fixed connecting rod 26 and the fixed connecting block 27, the outer blade 31 is driven by the second driving rod 28 to reciprocate up and down, and finally the branches and leaves are trimmed through the relative movement between the two blade sawteeth.

For better effect, the fixing connection block 27 is provided with a tightening bolt 35, and the position of the fixing connection rod 26 can be adjusted by adjusting the tightening bolt 35, so that the distance between the shearing blade 25 and the baffle 20 can be adjusted to adapt to different operation requirements, and the applicability of the device in practical application is improved.

In order to achieve better effect, the limiting ball 37 comprises a top cap 46, a ball 47 is arranged at the upper part of the top cap 46, a threaded rod 45 is connected to the lower part of the top cap, a nut 43 is in threaded connection with the threaded rod 45, and a pressure spring 44 is sleeved outside the threaded rod 45; the lower part of the top cap 46 is embedded into the main frame plate 21 to ensure the stability of the limiting ball 37, and the limiting ball 37 is matched with the first guide wheel 24 and the second guide wheel 39 to guide and limit the trimming frame 5 together, so as to ensure the stability of the operation of the device.

Claims

1. The utility model provides an automatic trimming means is used in afforestation, it is including chassis (2), its characterized in that: the chassis (2) is a crawler chassis, crawler wheels (1) are arranged on the lower portion of the chassis (2), a base (3) is fixedly connected onto the chassis (2), the base (3) comprises a bottom plate (8), a boot plate (11) is fixedly connected onto the upper surface of the bottom plate (8), a partition plate (10) is fixedly connected onto the right side surface of the boot plate (11), and a reinforcing plate (9) is fixedly arranged in a gap formed among the partition plate (10), the boot plate (11) and the bottom plate (8); the left side surface of the boot plate (11) is fixedly connected with a first guide rail (4) and a second guide rail (6) through a base bolt (12), the sections of the first guide rail (4) and the second guide rail (6) are trapezoidal, the first guide rail (4) and the second guide rail (6) are connected with each other through a guide rail connecting piece (13), the first guide rail (4) and the second guide rail (6) are both arc-shaped guide rails, and teeth (14) are arranged on the right side surface of the first guide rail (4) along the length direction of the guide rail; the first guide rail (4) and the second guide rail (6) are connected with a trimming frame (5), the trimming frame (5) comprises a main frame plate (21), a guide rail motor (22) is arranged on the upper portion of the front side surface of the main frame plate (21), an output shaft of the guide rail motor (22) penetrates through the main frame plate (21) to be connected with a gear (38), and the gear (38) is meshed with the first guide rail (4) through the teeth (14); a first guide wheel (36) and a second guide wheel (39) are fixedly arranged on the rear side surface of the main frame plate (21), the first guide wheel (36) is in rolling connection with the first guide rail (4), and the second guide wheel (39) is in rolling connection with the second guide rail (6); a limiting ball (37) is fixedly arranged on the rear side surface of the main frame plate (21), and the limiting ball (37) is respectively in rolling connection with the first guide rail (4) and the second guide rail (6); the pruning machine is characterized in that a pruning motor (23) is arranged on the lower portion of the front side face of the main frame plate (21), a baffle plate (20) is connected to the left end of the main frame plate (21), an output shaft of the pruning motor (23) is connected with a coupler (19), the coupler (19) penetrates through the baffle plate (20) to be connected with a turntable shaft (16), and a branch and leaf shearing cutter is fixedly connected to the turntable shaft (16).

2. The automatic trimming device for landscaping of claim 1, wherein: guide rail connecting piece (13) connect pole (42) including the centre, the both ends of centre connecting pole (42) all are connected with connecting pipe (40), be provided with connecting bolt (41) in connecting pipe (40), guide rail connecting piece (13) pass through connecting bolt (41) with first guide rail (4) with second guide rail (6) fixed connection.

3. The automatic trimming device for landscaping of claim 1, wherein: and a balancing weight (7) is arranged on the right side of the base (3).

4. The automatic trimming device for landscaping of claim 1, wherein: the trimming motor (23) is fixedly connected with the main frame plate (21) through a connecting seat plate (24), and the connecting seat plate (24) is integrally an L-shaped plate.

5. The automatic trimming device for landscaping of claim 1, wherein: and a fixing bolt (18) is arranged on the side surface of the coupler (19), and the position of the turntable shaft (16) can be adjusted by adjusting the fixing bolt (18).

6. The automatic trimming device for landscaping of claim 1, wherein: the branch and leaf shearing tool comprises a cutting turntable (15), a center connecting block (17) is arranged in the middle of the cutting turntable (15), and the center connecting block (17) is fixedly connected with a turntable shaft (16).

7. The automatic trimming device for landscaping of claim 1, wherein: the branch and leaf shearing tool comprises a shearing blade (25), the right side surface of the shearing blade (25) is fixedly connected with a fixed connecting rod (26), the fixed connecting rod (26) is connected with a fixed connecting block (27), and the fixed connecting block (27) is fixedly connected to the left side surface of the baffle plate (20); the lower part of shearing blade (25) right flank is rotated and is connected with second transfer line (28), second transfer line (28) are rotated and are connected with middle connecting rod (29), middle connecting rod (29) are rotated and are connected with first transfer line (30), first transfer line (30) are connected with rotary disk (34), rotary disk (34) fixed connection in the terminal surface of rotary disk axle (16).

8. The automatic trimming device for landscaping of claim 7, wherein: the shearing blade (25) comprises an outer blade (31) and an inner blade (33), and the outer blade (31) is connected with the inner blade (33) in a sliding manner; the fixed connecting rod (26) comprises a limiting head (32), the limiting head (32) penetrates through the inner blade (33) and the outer blade (31), the limiting head (32) is fixedly connected with the inner blade (33), and the limiting head (32) is connected with the outer blade (31) in a sliding mode.

9. The automatic trimming device for landscaping of claim 7, wherein: the fixing connecting block (27) is provided with a tightening bolt (35), and the position of the fixing connecting rod (26) can be adjusted by adjusting the tightening bolt (35).

10. The automatic trimming device for landscaping of claim 1, wherein: spacing ball (37) are including hood (46), hood (46) upper portion is provided with ball (47), the hood sub-unit connection has threaded rod (45), threaded rod (45) threaded connection has nut (43), threaded rod (45) overcoat is equipped with pressure spring (44).