CN107466691B - Variable-distance green belt trimming and irrigating device and using method thereof - Google Patents

Abstract

The utility model relates to a pruning and watering device for a variable-distance green belt and a method for using the same, belonging to the technical field of landscaping. The variable-distance green belt trimming and watering device includes a vehicle-mounted mechanism, and the vehicle-mounted mechanism is provided with a water tank, a collection box and a rotating base; the horizontal conveyor belt is fixedly connected to one end of the first inclined conveyor belt, and the second inclined conveyor belt supports the horizontal conveyor belt. Belt, the first inclined conveyor belt is connected to the first leaf trough, and the second inclined conveyor belt is connected to the second leaf trough; A first upper bracket is arranged above the second lower bracket, and a second upper bracket is arranged above the second lower bracket; multiple rows of side tool rests are hinged between the first lower bracket and the first upper bracket, and the second lower bracket and the second upper bracket are hinged. There are multiple rows of side tool rests hinged between them, and a top tool rest is hinged between the first upper bracket and the second upper bracket, and each row of side tool rests and the top tool rest are distributed with multiple trimmers; the rotating base is installed with a height adjustment curve arm, raise the articulated top bracket of the articulated arm.

Description

A variable-spacing green belt pruning and watering device and a method of using the same

technical field

The invention relates to the technical field of landscaping, in particular to a variable-distance green belt trimming and watering device and a method for using the same.

Background technique

At present, in order to make the city beautiful, green belts are often set on both sides of the road. In the traditional pruning process, these pruning work are done manually, and pruning tools are often used. The pruned residual leaves need to be cleaned manually, resulting in a long pruning cycle and low efficiency, and there is no guarantee for the pruning uniformity of the green wall.

Therefore, it is necessary to design an automatic green belt trimming device to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the problems of long pruning cycle, low efficiency and unguaranteed pruning uniformity caused by manual pruning of green belts in the existing pruning process, on the one hand, the present invention provides a variable-spacing green belt pruning and watering The device, the variable-distance green belt trimming and watering device includes a vehicle-mounted mechanism, the bottom of the vehicle-mounted mechanism is provided with wheels to drive the vehicle-mounted mechanism to walk, and the top of the vehicle-mounted mechanism is provided with a water tank, a collection box and a rotating base;

A horizontal conveyor belt is arranged above the opening of the collection box, the end of the horizontal conveyor belt is facing the opening, the starting end is fixedly connected with one end of the first inclined conveyor belt, and there is a The second inclined conveyor belt, one end of the second inclined conveyor belt supports the horizontal conveyor belt and can slide between the beginning and the end of the horizontal conveyor belt, and a hydraulic pressure is provided between the first inclined conveyor belt and the second inclined conveyor belt The two ends of the hydraulic pump are each connected to an inclined conveyor belt through a sleeve rod device, a plurality of water spray heads are arranged under the hydraulic pump, and the hydraulic pump is connected with the plurality of water spray heads and the water tank. The other end is connected to the first fallen leaf trough, the other end of the second inclined conveyor belt is connected to the second fallen leaf trough, and both the first and second fallen leaf troughs are provided with conveying blades;

A first lower bracket is arranged above the first falling leaf slot, a second lower bracket is arranged above the second falling leaf slot, a first upper bracket is arranged above the first lower bracket, and a second upper bracket is arranged above the second lower bracket, Both ends of the first lower bracket are connected with both ends of the first upper bracket through electric push rods, both ends of the second lower bracket are connected with both ends of the second upper bracket through electric push rods, the first upper bracket and the second upper bracket are connected by electric push rods. A top bracket is arranged between the two upper brackets, and the top bracket is connected with the first upper bracket and the second upper bracket through an electric push rod;

The first lower bracket and the first upper bracket are hinged side by side with multiple rows of side tool rests, and the second lower bracket and the second upper bracket are also hinged side by side with multiple rows of side tool rests, the first upper bracket and the second upper bracket. A top knife holder is hinged between them, each row of side knife holders and the top knife holder are distributed with a plurality of trimmers, each row of side knife holders is provided with a motor, and the multiple trimmers on each row of knife holders are connected to the row of knives. The motor in the frame is connected, there is a motor in the top knife holder, and each trim on the top knife holder is connected with the motor in the top knife holder;

A height-adjusting crank arm is installed on the rotating base, the height-adjusting crank arm is provided with a rotating table, the rotating table can rotate on the rotating base, and the end of the height-adjusting crank arm is hinged on the top bracket.

Each row of the side turrets includes an upper turret and a lower turret, the upper turret and the lower turret are hingedly connected, a plurality of trims are evenly distributed on the upper turret, and evenly distributed on the lower turret There are multiple trims;

For multiple rows of side tool rests hinged side by side between the first upper support and the first lower support, the upper tool rests of each row of side tool rests are hinged with the first upper support, and the upper tool rests of each row of side tool rests are hinged with the first upper support The lower tool rests are hinged with the first lower bracket;

For multiple rows of side tool rests hinged side by side between the second upper support and the second lower support, the upper tool rests on each row of side tool rests are hinged with the second upper support, and each row of side tool rests is hinged to the second upper support. The lower knife rests of the 2 are all hinged with the second lower bracket.

For the multiple rows of side tool holders hinged side by side between the first upper bracket and the first lower bracket, the closer to the side tool holder of the first inclined conveyor belt, the smaller the number of trimmings distributed thereon, The larger the surface area of each trim;

For the multiple rows of side tool holders hinged side by side between the second upper bracket and the second lower bracket, the closer to the side tool holder of the second inclined conveyor belt, the smaller the number of trimmings distributed thereon, The larger the surface area of each trim.

The top tool rest includes three sub-tool rests, which are a first sub-tool rest, a second sub-tool rest and a third sub-tool rest;

One end of the first sub-tool rest is hinged on the first upper bracket, the other end is hinged with one end of the second sub-tool rest, the other end of the second sub-tool rest is hinged with one end of the third sub-tool rest, and the third sub-tool rest is hinged with one end of the third sub-tool rest. The other end of the tool rest is hinged with the second upper bracket, and the middle part of the second sub-tool rest is hinged with the top support through an electric push rod;

A plurality of trimmings are distributed on the first sub-tool holder, the second sub-tool holder and the third sub-tool holder.

The top bracket is I-shaped, the two ends of one side of the top bracket are each connected with the first upper bracket through an electric push rod, and the two ends of the other side of the top bracket are each connected to the first upper bracket through an electric push rod. A rod is connected with the second upper bracket.

The height-adjusting crank arm includes four crank arms and four telescopic devices;

The four crank arms are respectively the first crank arm, the second crank arm, the third crank arm and the fourth crank arm. One end of the first crank arm is hinged on the rotary table, and the other end is hinged with one end of the second crank arm. The other end of the second crank arm is hinged with one end of the third crank arm, the other end of the third crank arm is hinged with one end of the fourth crank arm, and the other end of the fourth crank arm is hinged on the top bracket;

The four telescopic devices are respectively the first telescopic device, the second telescopic device, the third telescopic device and the fourth telescopic device. The head and end of the telescopic device are hinged to the first crank arm and the second crank arm respectively, the third telescopic device is hinged to the second crank arm and the third crank arm respectively, and the fourth telescopic device is hinged to the third crank arm and the fourth crank arm respectively.

The telescopic device is an electric push rod or a hydraulic telescopic rod.

One end of the second inclined conveyor belt is fixed with a plurality of rolling sleeves, and the plurality of rolling sleeves support the horizontal conveyor belt.

The trim is a metal blade with a cutting edge.

In another aspect, the present invention provides a method for using a variable-distance green belt pruning and watering device, the method comprising:

The vehicle-mounted mechanism walks to the green belt to be trimmed, adjusts the working angle of the height-adjusting crank arm, and adjusts the first inclined conveyor belt and the first inclined conveyor belt according to the required height and width of the trimmed green belt. The distance between the two inclined conveyor belts, and the distance between the first upper bracket and the first lower bracket, the distance between the second upper bracket and the second lower bracket, the distance between the first upper bracket and the first lower bracket, the distance between the second upper bracket and the second lower bracket, the The distance between the first upper bracket and the top bracket, the distance between the second upper bracket and the top bracket, the distance between the first upper bracket, the second upper bracket, the top bracket, the first lower bracket and the first upper bracket The two lower brackets are placed on the green belt to be trimmed; the motors in each tool holder are turned on, and the motor drives the trimming on each tool holder to rotate, and the motors on the multi-row side tool holders between the first lower bracket and the first upper bracket are turned on. Pruning and the pruning on the multi-row side knife frames between the second lower bracket and the second upper bracket cut off the branches and leaves on both sides of the green belt, and the pruning on the top knife frame cut off the branches and leaves on the top of the green belt, and the cut branches and leaves fell off into the falling leaf trough, and under the push of the conveying blade, it enters the first oblique conveyor belt and the second oblique conveyor belt, then enters the horizontal conveyor belt, and finally falls into the collection box; at the same time, The hydraulic pump pumps the water in the water tank into the plurality of water spray heads, and sprays and waters the trimmed green belt until the entire green belt is trimmed and watered.

The variable-distance green belt trimming and watering device in the present invention can adjust the trimming mechanism according to the actual required height and width of the green belt through the joint work of each component, and automatically trim the green belt. It can water and irrigate the green belt. Compared with manual pruning, the pruning cycle is shortened, the pruning efficiency is higher, and the uniformity of the pruned green belt is guaranteed, which is more beautiful than manual pruning, and the branches and leaves can be pruned after pruning. Recycling greatly reduces the labor intensity of workers and reduces costs.

Description of drawings

Fig. 1 is the structural representation of the variable-distance green belt pruning and watering device provided by the present invention;

2 is a schematic structural diagram of a trimming mechanism and a branch and leaf transport mechanism of the variable-distance green belt trimming and watering device provided by the present invention;

3 is a schematic structural diagram of the adjusting crank arm mechanism of the variable-pitch green belt trimming and watering device provided by the present invention;

4 is a schematic structural diagram of a trimming mechanism and a branch and leaf transport mechanism of the variable-pitch green belt trimming and watering device provided by the present invention.

in,

1 vehicle-mounted mechanism, 2 water tanks, 3 collection boxes, 4 rotating bases, 5 horizontal conveyor belts, 6 first inclined conveyor belts, 7 second inclined conveyor belts, 8 rolling sleeves, 9 hydraulic pumps, 10 sets of rod devices, 11 Sprinkler head, 12 first leaf trough, 13 second leaf trough, 14 conveying blade, 15 first lower bracket, 16 second lower bracket, 17 first upper bracket, 18 second upper bracket, 19 electric push rod, 20 Top Bracket, 21 Side Tool Holder, 22 Trim, 23 Rotary Table, 24 1st Crank Arm, 25 2nd Crank Arm, 26 3rd Crank Arm, 27 4th Crank Arm, 28 1st Telescopic Device, 29 2nd Telescopic Device , 30 third telescopic device, 31 fourth telescopic device, 32 upper tool rest, 33 lower tool rest, 34 first sub-tool rest, 35 second sub-tool rest, 36 third sub-tool rest.

Detailed ways

In order to solve the problems of long pruning cycle, low efficiency, and unguaranteed pruning uniformity caused by manual pruning of green belts in the existing pruning process, as shown in FIG. 1 to FIG. 4 , the present invention provides a The variable-pitch green belt trimming and watering device includes a vehicle-mounted mechanism 1, the bottom of the vehicle-mounted mechanism 1 is provided with wheels to drive the vehicle-mounted mechanism 1 to walk, and the top of the vehicle-mounted mechanism 1 is provided with a water tank 2, a collection box 3 and a rotating base 4;

A horizontal conveyor belt 5 is arranged above the opening of the collection box 3, the end of the horizontal conveyor belt 5 is facing the opening, the starting end is fixedly connected with one end of the first inclined conveyor belt 6, and the starting end of the horizontal conveyor belt 5 is connected to the opening. A second oblique conveyor belt 7 is provided between the ends, and one end of the second oblique conveyor belt 7 supports the horizontal conveyor belt 5 and can slide between the starting end and the end of the horizontal conveyor belt 5. One end of the inclined conveyor belt 7 is fixed with a plurality of rolling sleeves 8 , and the plurality of rolling sleeves 8 support the horizontal conveyor belt 5 . Therefore, the second inclined conveyor belt 7 can be made between the start end and the end of the horizontal conveyor belt 5 . At the same time, it also supports the horizontal conveyor belt 5. A hydraulic pump 9 is provided between the first inclined conveyor belt 6 and the second inclined conveyor belt 7, and both ends of the hydraulic pump 9 pass through a sleeve rod device 10. An oblique conveyor belt is connected, arranged so that when the distance between the first oblique conveyor belt 6 and the second oblique conveyor belt 7 changes, coordination is ensured by the extension or shortening of the sleeve rod device 10, wherein the hydraulic pump There are a plurality of water spray heads 11 below the 9, the hydraulic pump 9 is connected with the plurality of water spray heads 11, the hydraulic pump 9 is also connected with the water tank 2 through a water pipe, and the other end of the first inclined conveyor belt 6 is connected with the first leaf trough 12, The other end of the second oblique conveyor belt 7 is connected to the second leaf trough 13 , the first deciduous trough 12 and the second deciduous trough 13 are provided with conveying blades 14 , the horizontal conveyor belt 5 , the first oblique conveyor belt 6 , the second The oblique conveyor belt 7, the first deciduous trough 12, the second deciduous trough 13 and the conveying blades 14 constitute the branch and leaf transport mechanism of the trimming and watering device; the branch and leaf transport mechanism is mainly used to transport the trimmed branches and leaves to the collection box of the vehicle-mounted mechanism 1 3, in the present invention, the operation of the conveying blade 14, the two inclined conveying belts and the horizontal conveying belt 5 can be driven by a motor, and the driving mode is the prior art, and will not be described in detail here.

Wherein, a first lower bracket 15 is arranged above the first leaf trough 12 , a second lower bracket 16 is arranged above the second deciduous slot 13 , a first upper bracket 17 and a second lower bracket 16 are arranged above the first lower bracket 15 . There is a second upper bracket 18 above the upper part, both ends of the first lower bracket 15 are connected with the two ends of the first upper bracket 17 through the electric push rod 19, and both ends of the second lower bracket 16 are connected with the electric push rod 19. Both ends of the second upper bracket 18 are connected, and a top bracket 20 is provided between the first upper bracket 17 and the second upper bracket 18 , and the top bracket 20 is connected to the first upper bracket 17 and the second upper bracket 18 through the electric push rod 19 The first lower bracket 15 and the first upper bracket 17 are hinged side by side with multiple rows of side tool rests 21, and the second lower bracket 16 and the second upper bracket 18 are also hinged side by side with multiple rows of side tool rests 21. A top knife rest is hinged between the first upper bracket 17 and the second upper support 18 , each row of side knife rests 21 and the top knife rest are distributed with a plurality of trimmers 22 , and each row of side knife rests 21 is provided with a motor. A plurality of trimmers 22 on the row of tool holders are connected with motors in the row of tool holders, a motor is provided in the top tool holder, and each trim 22 on the top tool holder is connected with a motor in the top tool holder; The brackets, the tool holders between the brackets, and the trimmers 22 on the tool holders constitute the trimming mechanism of the trimming and watering device. The trimming mechanism is mainly used for trimming the green belt. The motor drives the plurality of trimmers 22 on the tool holder to rotate. The plurality of trimmers 22 are rotated simultaneously through gear transmission or chain drive. In the present invention, the trimmers 22 may be metal blades with cutting edges.

A height-adjusting crank arm is installed on the rotating base 4, and the height-adjusting crank arm is provided with a rotating table 23. The rotating table 23 is installed on the rotating base 4 and can perform a rotating motion on the rotating base 4. There is a protruding shaft end, and the rotary table 23 is provided with a seat hole with the same diameter as the protruding shaft end.

The height-adjusting crank arm includes four crank arms and four telescopic devices; the four crank arms are the first crank arm 24 , the second crank arm 25 , the third crank arm 26 and the fourth crank arm 27 , and the first crank arm 24 One end is hinged on the rotary table 23, the other end is hinged with one end of the second crank arm 25, the other end of the second crank arm 25 is hinged with one end of the third crank arm 26, and the other end of the third crank arm 26 is hinged with the fourth crank arm 26. One end of the crank arm 27 is hinged, and the other end of the fourth crank arm 27 is hinged on the top bracket 20;

The four telescopic devices are the first telescopic device 28 , the second telescopic device 29 , the third telescopic device 30 and the fourth telescopic device 31 respectively. , the head and end of the second telescopic device 29 are hinged to the first crank arm 24 and the second crank arm 25 respectively, the third telescopic device 30 is hinged to the second crank arm 25 and the third crank arm 26, and the fourth telescopic device 31 is respectively in The third crank arm 26 and the fourth crank arm 27 . The telescopic device can be an electric push rod or a hydraulic telescopic rod. The working angle of the adjusting arm is adjusted by manually adjusting the rotation angle of the rotating table 23 relative to the rotating base 4 and adjusting the expansion and contraction of the four telescopic devices, so that the trimming mechanism can reach a reasonable working position.

In the present invention, the top bracket 20 is I-shaped, two ends of one side of the top bracket 20 are connected to the first upper bracket 17 through an electric push rod 19, and two ends of the other side of the top bracket 20 are connected to the first upper bracket 17 through an electric push rod 19. The electric push rod 19 is connected with the second upper bracket 18. Therefore, by adjusting the telescopic extension of the electric push rod 19 between the brackets, the height and width of the trimming mechanism can be adjusted, and then the green belt to be trimmed can be trimmed. Specifically, by adjusting The distance between the first oblique conveyor belt 6 and the second oblique conveyor belt 7, and the adjustment of the telescoping of the electric push rod 19 between the first upper bracket 17 and the top bracket 20, and the distance between the second upper bracket 18 and the top bracket 20 The width of the trimming mechanism can be adjusted by the telescopic extension of the electric push rod 19; by adjusting the telescopic extension of the electric push rod 19 between the first upper bracket 17 and the first lower bracket 15, the second upper bracket 18 and the second lower bracket 15 can be adjusted accordingly. The retraction between the electric push rods 19 between the brackets 16 can adjust the height of the trimming mechanism, wherein the electric push rod 19 and each bracket are fixedly connected and can be connected together by bolts or welded together.

In the present invention, each row of side tool rests 21 includes an upper side tool rest 32 and a lower side tool rest 33, the upper side tool rest 32 and the lower side tool rest 33 are hingedly connected, and the upper side tool rest 32 is evenly distributed with a plurality of trimming 22, a plurality of trimmings 22 are evenly distributed on the lower blade holder 33;

For multiple rows of side tool rests 21 hinged side by side between the first upper bracket 17 and the first lower bracket 15, the upper tool rests 32 of each row of side tool rests 21 are hinged to the first upper bracket 17, The lower tool rests 33 of the frame 21 are hinged with the first lower bracket 15;

For multiple rows of side tool rests 21 hinged side by side between the second upper bracket 18 and the second lower bracket 16, the upper tool rests 32 on each row of side tool rests 21 are hinged with the second upper bracket 18. The lower tool rests 33 of the tool rest 21 are hingedly connected with the second lower bracket 16 .

The top tool rest includes three sub-tool rests, which are the first sub-tool rest 34, the second sub-tool rest 35 and the third sub-tool rest 36;

One end of the first sub-tool rest 34 is hinged on the first upper bracket 17, the other end is hinged with one end of the second sub-tool rest 35, and the other end of the second sub-tool rest 35 is hinged with one end of the third sub-tool rest 36, The other end of the third sub-tool rest 36 is hinged with the second upper bracket 18, the middle of the second sub-tool rest 35 is hinged with the top support 20 through an electric push rod 19; the first sub-tool rest 34, the second sub-tool rest 35 A plurality of trimmers 22 are distributed on the third sub-tool holder 36 .

Through the above arrangement, when the width and height of the trimming mechanism are adjusted, the tool holder can also be adjusted accordingly, so as to ensure the coordination of the trimming mechanism, thereby making the trimming work more convenient.

In the present invention, for the multiple rows of side tool holders 21 hinged side by side between the first upper bracket 17 and the first lower bracket 15, the closer to the side tool holder 21 of the first inclined conveyor belt 6, the trimmers 22 distributed thereon The smaller the number, the greater the surface area of each trim 22;

For the multiple rows of side cutters 21 hinged side by side between the second upper bracket 18 and the second lower bracket 16, the closer to the side cutters 21 of the second inclined conveyor belt 7, the smaller the number of trimmings 22 distributed thereon. Each trim 22 has a larger surface area.

The advantage of this design is that more branches need to be pruned at the beginning of pruning. Therefore, the side knife holder 21 that first contacts the green belt adopts more intensive pruning 22, and the green belt will be trimmed more finely, and then touch the green belt. The side tool rest 21 of the green belt adopts a small number of trimmings 22 with a large surface area mainly to ensure the overall smoothness of the green belt after trimming.

The using method of the variable-spacing green belt pruning and watering device in the present invention is as follows:

The vehicle-mounted mechanism 1 walks to the green belt to be trimmed, adjusts the working angle of the height-adjusting crank arm, and adjusts the difference between the first inclined conveyor belt 6 and the second inclined conveyor belt 7 according to the required height and width of the trimmed green belt. and adjust the distance between the first upper bracket 17 and the first lower bracket 15, the distance between the second upper bracket 18 and the second lower bracket 16, and the distance between the first upper bracket 17 and the top bracket 20. the distance between the second upper bracket 18 and the top bracket 20, place the first upper bracket 17, the second upper bracket 18, the top bracket 20, the first lower bracket 15 and the second lower bracket 16 on the On the green belt; turn on the motor in each tool holder, the motor drives the trimmer 22 on each tool holder to rotate, the trimmer 22 on the multi-row side tool holder 21 between the first lower bracket 15 and the first upper bracket 17 and the first The trimming 22 on the multi-row side knife rests 21 between the second lower support 16 and the second upper support 18 cuts off the branches and leaves on both sides of the green belt, the trimming 22 on the top knife rest cuts off the branches and leaves at the top of the green belt, and the The branches and leaves fall into the deciduous trough and enter the first oblique conveyor belt 6 and the second oblique conveyor belt 7 under the push of the conveying blade 14, and then run to the horizontal conveyor belt 5, and finally fall into the collection box 3; at the same time, The hydraulic pump 9 pumps the water in the water tank 2 into a plurality of water spray heads 11, and sprays and waters the trimmed green belt until the entire green belt is trimmed and watered. Retract the trimming mechanism.

The variable-distance green belt trimming and watering device in the present invention can adjust the trimming mechanism according to the actual required height and width of the green belt through the joint work of each component, and automatically trim the green belt. It can water and irrigate the green belt. Compared with manual pruning, the pruning cycle is shortened, the pruning efficiency is higher, and the uniformity of the pruned green belt is guaranteed, which is more beautiful than manual pruning, and the branches and leaves can be pruned after pruning. Recycling greatly reduces the labor intensity of workers and reduces costs.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (8)

1. a variable-distance green belt pruning and watering device, is characterized in that, the described variable-distance green belt pruning and watering device comprises a vehicle-mounted mechanism, the vehicle-mounted mechanism bottom is provided with wheels and can drive the vehicle-mounted mechanism to walk, and the vehicle-mounted mechanism top is provided with a water tank, Collection box and swivel base; A horizontal conveyor belt is arranged above the opening of the collection box, the end of the horizontal conveyor belt is facing the opening, the starting end is fixedly connected with one end of the first inclined conveyor belt, and there is a The second inclined conveyor belt, one end of the second inclined conveyor belt supports the horizontal conveyor belt and can slide between the beginning and the end of the horizontal conveyor belt, and a hydraulic pressure is provided between the first inclined conveyor belt and the second inclined conveyor belt The two ends of the hydraulic pump are each connected to an inclined conveyor belt through a sleeve rod device, a plurality of water spray heads are arranged under the hydraulic pump, and the hydraulic pump is connected with the plurality of water spray heads and the water tank. The other end is connected to the first fallen leaf trough, the other end of the second inclined conveyor belt is connected to the second fallen leaf trough, and both the first and second fallen leaf troughs are provided with conveying blades; A first lower bracket is arranged above the first falling leaf slot, a second lower bracket is arranged above the second falling leaf slot, a first upper bracket is arranged above the first lower bracket, and a second upper bracket is arranged above the second lower bracket, Both ends of the first lower bracket are connected with both ends of the first upper bracket through electric push rods, both ends of the second lower bracket are connected with both ends of the second upper bracket through electric push rods, the first upper bracket and the second upper bracket are connected by electric push rods. A top bracket is arranged between the two upper brackets, and the top bracket is connected with the first upper bracket and the second upper bracket through an electric push rod; The first lower bracket and the first upper bracket are hinged side by side with multiple rows of side tool rests, and the second lower bracket and the second upper bracket are also hinged side by side with multiple rows of side tool rests, the first upper bracket and the second upper bracket. A top knife holder is hinged between them, each row of side knife holders and the top knife holder are distributed with a plurality of trimmers, each row of side knife holders is provided with a motor, and the multiple trimmers on each row of knife holders are connected to the row of knives. The motor in the frame is connected, there is a motor in the top knife holder, and each trim on the top knife holder is connected with the motor in the top knife holder; A height-adjusting crank arm is installed on the rotating base, and the height-adjusting crank arm is provided with a rotating table, the rotating table can rotate on the rotating base, and the end of the height-adjusting crank arm is hinged on the top bracket; Each row of the side turrets includes an upper turret and a lower turret, the upper turret and the lower turret are hingedly connected, a plurality of trims are evenly distributed on the upper turret, and evenly distributed on the lower turret There are multiple trims; For multiple rows of side tool rests hinged side by side between the first upper support and the first lower support, the upper tool rests of each row of side tool rests are hinged with the first upper support, and the upper tool rests of each row of side tool rests are hinged with the first upper support The lower tool rests are hinged with the first lower bracket; For multiple rows of side tool rests hinged side by side between the second upper support and the second lower support, the upper tool rests on each row of side tool rests are hinged with the second upper support, and each row of side tool rests is hinged to the second upper support. The lower tool rests are hinged with the second lower bracket; For the multiple rows of side tool holders hinged side by side between the first upper bracket and the first lower bracket, the closer to the side tool holder of the first inclined conveyor belt, the smaller the number of trimmings distributed thereon, The larger the surface area of each trim; For the multiple rows of side tool holders hinged side by side between the second upper bracket and the second lower bracket, the closer to the side tool holder of the second inclined conveyor belt, the smaller the number of trimmings distributed thereon, The larger the surface area of each trim. 2 . The variable-pitch green belt trimming and watering device according to claim 1 , wherein the top tool rest comprises three sub-tool rests, which are respectively a first sub-tool rest, a second sub-tool rest and a third sub-tool rest. 3 . knife holder; One end of the first sub-tool rest is hinged on the first upper bracket, the other end is hinged with one end of the second sub-tool rest, the other end of the second sub-tool rest is hinged with one end of the third sub-tool rest, and the third sub-tool rest is hinged with one end of the third sub-tool rest. The other end of the tool rest is hinged with the second upper bracket, and the middle part of the second sub-tool rest is hinged with the top support through an electric push rod; A plurality of trimmings are distributed on the first sub-tool holder, the second sub-tool holder and the third sub-tool holder. 3. The variable-pitch green belt trimming and watering device according to claim 1, wherein the top bracket is an I-shaped, and two ends of one side of the top bracket are connected to the The first upper bracket is connected, and the two ends of the other side of the top bracket are each connected with the second upper bracket through an electric push rod. 4. The variable-pitch green belt trimming and watering device according to claim 1, wherein the height-adjusting crank arm comprises four crank arms and four telescopic devices; The four crank arms are respectively the first crank arm, the second crank arm, the third crank arm and the fourth crank arm. One end of the first crank arm is hinged on the rotary table, and the other end is hinged with one end of the second crank arm. The other end of the second crank arm is hinged with one end of the third crank arm, the other end of the third crank arm is hinged with one end of the fourth crank arm, and the other end of the fourth crank arm is hinged on the top bracket; The four telescopic devices are respectively the first telescopic device, the second telescopic device, the third telescopic device and the fourth telescopic device. The head and end of the telescopic device are hinged to the first crank arm and the second crank arm respectively, the third telescopic device is hinged to the second crank arm and the third crank arm respectively, and the fourth telescopic device is hinged to the third crank arm and the fourth crank arm respectively. 5 . The variable-pitch green belt trimming and watering device according to claim 4 , wherein the telescopic device is an electric push rod or a hydraulic telescopic rod. 6 . 6. The variable-pitch green belt trimming and watering device according to claim 1, wherein a plurality of rolling sleeves are fixed at one end of the second inclined conveyor belt, and the plurality of rolling sleeves support the horizontal conveyor belt. 7. The variable-pitch green belt trimming and watering device according to any one of claims 1 to 6, wherein the trimming is a metal blade with a cutting edge. 8. The using method of the variable-spacing green belt pruning and watering device according to claim 1, wherein the method comprises: The vehicle-mounted mechanism walks to the green belt to be trimmed, adjusts the working angle of the height-adjusting crank arm, and adjusts the first inclined conveyor belt and the first inclined conveyor belt according to the required height and width of the trimmed green belt. The distance between the two inclined conveyor belts, and the distance between the first upper bracket and the first lower bracket, the distance between the second upper bracket and the second lower bracket, the distance between the first upper bracket and the first lower bracket, the distance between the second upper bracket and the second lower bracket, the The distance between the first upper bracket and the top bracket, the distance between the second upper bracket and the top bracket, the distance between the first upper bracket, the second upper bracket, the top bracket, the first lower bracket and the first upper bracket The two lower brackets are placed on the green belt to be trimmed; the motors in each tool holder are turned on, and the motor drives the trimming on each tool holder to rotate, and the motors on the multi-row side tool holders between the first lower bracket and the first upper bracket are turned on. Pruning and the pruning on the multi-row side knife frames between the second lower bracket and the second upper bracket cut off the branches and leaves on both sides of the green belt, and the pruning on the top knife frame cut off the branches and leaves on the top of the green belt, and the cut branches and leaves fell off into the falling leaf trough, and under the push of the conveying blade, it enters the first oblique conveyor belt and the second oblique conveyor belt, then enters the horizontal conveyor belt, and finally falls into the collection box; at the same time, The hydraulic pump pumps the water in the water tank into the plurality of water spray heads, and sprays and waters the trimmed green belt until the entire green belt is trimmed and watered.

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