Greening maintenance vehicle for crushing trees

Abstract

The invention relates to the technical field of maintenance vehicles, in particular to a greening maintenance vehicle for crushing trees, which comprises an automobile chassis, a cab is arranged at the top of one side of the automobile chassis, and a crossbeam connecting frame is fixedly mounted on one side of the lower part of the automobile chassis; the recovery system is arranged on one side of the automobile chassis, the recovery system comprises a recovery carriage fixedly installed on one side of the automobile chassis, a fan is arranged on one side of the recovery carriage, an air pipe is arranged on one side of the fan, the other end of the air pipe is communicated with one side of the multifunctional machine tool, and the recovery system is used for recovering pruned leaves and small branches; the crushing assembly is arranged above the girder connecting frame, and the crushing assembly is used for crushing the trimmed trees or branches. Compared with the prior art, through the arrangement of the crushing assembly, material waste is reduced, the working efficiency is improved, meanwhile, flexible adjustment and self-adaption functions are achieved, various operation requirements are met, and the performance and the use experience of the crushing equipment are comprehensively optimized.

Description

Technical Field

[0001] The invention relates to the technical field of maintenance vehicles, and in particular to a greening maintenance vehicle used for crushing trees. Background Art

[0002] Greening maintenance vehicle is a vehicle specially used for urban greening maintenance and garden maintenance work, usually equipped with a variety of professional equipment and functions, aiming to improve the efficiency and quality of maintenance work. It is mainly used for maintenance operations in road green belts, parks, scenic spots and other places.

[0003] In the prior art, a Chinese patent document with publication number CN109317269A proposes that a garbage crushing device is also provided on the vehicle frame, and the garbage crushing device includes a mounting frame, a second motor, a control box and a crushing box. The mounting frame is mounted on the vehicle frame, and the second motor, the control box and the crushing box are respectively mounted on the mounting frame. The second motor is connected to a second rotating shaft, and the second rotating shaft extends into the crushing box. The top of the second rotating shaft is connected to a crushing blade. The upper and lower ends of the crushing box are respectively provided with a feed hopper and a discharge port. A cooler and a dehumidifier are installed in the crushing box. The second motor, the cooler and The dehumidifiers are all connected to the control box, and a storage box is provided under the discharge port. However, consistent with the traditional method, since the branches are not processed, the waste is usually very heavy and bulky, requiring additional transportation tools for transportation. Moreover, since there is no crushing, the waste is not easy to compress or pile up, resulting in a waste of transportation costs and space. If large pruning waste cannot be crushed and cleaned up in time, it will occupy space on roads or work areas, especially in places such as highways. The accumulation of waste will affect traffic. Therefore, the present application discloses a greening maintenance vehicle for tree crushing to meet the processing needs of large pruning waste. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide a greening maintenance vehicle for tree crushing to solve the problem that if large pruning waste cannot be crushed and cleaned up in time, it will occupy the space of roads or work areas.

[0005] Based on the above purpose, the present invention provides a greening maintenance vehicle for tree crushing, comprising a vehicle chassis, a cab is arranged on the top of one side of the vehicle chassis, and a beam connecting frame is fixedly installed on one side below the vehicle chassis; A suspension system, wherein the suspension system is arranged at the front end of the automobile chassis, the suspension system is arranged as a three-folding mechanical arm, and the suspension system is arranged as a hydraulic drive, a multifunctional tool is arranged at one end of the suspension system, and the suspension system is used to drive the multifunctional tool to work; A recycling system, the recycling system is arranged on one side of the automobile chassis, the recycling system comprises a recycling carriage fixedly mounted on one side of the automobile chassis, a fan is arranged on one side of the recycling carriage, an air duct is arranged on one side of the fan, the other end of the air duct is connected to one side of the multifunctional machine, and the recycling system is used to recycle the pruned leaves and twigs; A crushing assembly is arranged above the beam connecting frame and is used for crushing the pruned trees or branches.

[0006] Preferably, the beam connecting frame is hoisted under one side of the automobile chassis, sliding frames are provided on both sides above the beam connecting frame, and sliding plates are slidably installed above the two sliding frames, the crushing assembly is fixedly installed above the sliding plate, and a hydraulic cylinder is also fixedly installed on one side below the beam connecting frame, and the telescopic end of the hydraulic cylinder is fixedly connected to the bottom end of the sliding plate, and an automatic feeding device is also provided on one side of the crushing assembly, and a hydraulic motor for driving the automatic feeding device to rotate and feed is provided on one side of the automatic feeding device.

[0007] Preferably, the crushing assembly includes a crushing box and a stirring and discharging box, the stirring and discharging box is arranged at the bottom of the crushing box, the bottom end of the stirring and discharging box is fixedly connected to the top end of the sliding plate, a vertical output cylinder is also provided on one side of the stirring and discharging box, and a rotating motor for driving the crushing box and the stirring and discharging box is also provided on one side of the crushing box.

[0008] Preferably, the crushing box comprises two crushing rollers rotatably mounted on the upper part of the crushing box, and two grinding rollers rotatably mounted on the inner bottom of the crushing box, and downwardly inclined guide plates are respectively provided on both sides of the inner middle of the crushing box.

[0009] Preferably, a stirring blade is rotatably installed on the inner top of the stirring and discharging box, the inner two sides of the stirring and discharging box are arranged in an inclined shape, the inner middle part of the stirring and discharging box is arranged in a downwardly sinking semicircular shape, and a parallel spiral conveying roller is rotatably installed on the bottom middle part of the stirring and discharging box, a connecting conveying port adapted to the bottom of the stirring and discharging box is opened on one side of the vertical output cylinder, a vertical spiral conveying roller is arranged inside the vertical output cylinder, a servo motor for driving the vertical spiral conveying roller is arranged at the bottom of the vertical output cylinder, and the top of the vertical output cylinder is arranged as a discharge port.

[0010] Preferably, one side of the rotating shaft of the two crushing rollers is sleeved with mutually meshing teeth, and one side of the two crushing rollers and the two grinding rollers is provided with a crushing pulley, and the pulleys on the two adjacent crushing rollers and the grinding roller are jointly sleeved with a first transmission belt, and two pulleys are provided on one side of one of the grinding rollers, and one side of the rotating shaft of the stirring blade is sleeved with a stirring pulley, and the stirring pulley on one side of the stirring blade and the other crushing pulley on the side of one of the grinding rollers are jointly sleeved with a second transmission belt, and the output end of the rotating motor is fixedly connected to the rotating shaft of one of the crushing rollers.

[0011] Preferably, a first transmission pulley is also sleeved on the other side of the rotating shaft of the stirring blade, an extension plate is provided on one side of the crushing box, a storage box is provided on the top of the extension plate, a conveying pipe is provided on the lower side of the storage box, the conveying pipe passes through the crushing box and extends to the top of one side of the stirring discharging box, a partition is rotatably installed inside one side of the conveying pipe, a connecting rod is embedded in the middle of the partition, a torsion spring is provided at the nesting position of the connecting rod and the partition, when there is no external force driving, the partition always blocks the inside of the conveying pipe under the action of the torsion spring, the connecting rod passes through the conveying pipe, the other end of the connecting rod is fixedly connected to the second transmission pulley, and the first transmission pulley on the other side of the rotating shaft of the stirring blade and the second transmission pulley at one end of the connecting rod are jointly sleeved with a third transmission belt.

[0012] Preferably, a reversible recycling box rear door is provided at the rear of the recycling compartment, an electric lifting plate is provided on one side of the recycling box rear door, two support frames are provided on both sides of one side of the electric lifting plate, an external discharge pipe is fixedly installed on the other side of the support frame, the bottom of the external discharge pipe can be matched with the top of the vertical output cylinder, and the maximum lifting height of the electric lifting plate is set to 75cm.

[0013] Preferably, the multifunctional machine includes a circular saw, a clamp saw, and a centrifugal shear. The circular saw, the clamp saw, and the centrifugal shear are all configured as universal machines and can be universally connected to the suspension system.

[0014] Preferably, the automatic feeding device is also provided with a feeding control module, which dynamically adjusts the feeding speed and the state of the crushing system based on a fuzzy control algorithm, and monitors the thickness of the branches and the hand entry in real time through sensor feedback, specifically including: Use sensors to monitor the thickness of branches in real time, calculate the thickness error and error change rate, and use thermal imaging sensors to monitor in real time whether a hand is inserted into the feed roller feed port, ensuring accurate feedback of the thickness of branches and the entry of hands; The fuzzy control algorithm includes input variables and output variables. The input variables include branch thickness error, error change rate and hand entry status; the output variables include feed speed adjustment and crushing system status. Fuzzy rule table: define fuzzy sets, including "slow, moderate, fast", and design fuzzy rule tables to output corresponding adjustment amounts and state changes according to the error, error change rate, and hand entry state; The calculation steps of the fuzzy control algorithm are as follows: Fuzzification: Compare the branch thickness error fed back by the sensor with the error change rate, calculate the error and perform fuzzification, and classify the hand entry state into the "yes" or "no" category; Rule reasoning: Based on the fuzzy rule table, combined with the current branch thickness error, error change rate and hand entry state, the fuzzy value of the feed speed adjustment amount and the crushing system state is inferred; Defuzzification: Convert the fuzzy value into the specific feed speed adjustment and crushing system status, drive the feed roller speed adjustment and system status switching.

[0015] Beneficial effects of the present invention: 1. This greening maintenance vehicle for tree crushing is equipped with a crushing component. The crushing component automates the whole process from preliminary crushing to fine wood chips through the linkage work of the crushing roller and the grinding roller, combined with the efficient transmission of the stirring blade and the spiral conveying roller. The feeding control module is based on the fuzzy control algorithm, dynamically adjusts the feeding speed, optimizes the feeding efficiency according to the real-time monitoring results of the thickness of the branches, slowly pushes the thick branches to avoid jamming, and quickly feeds the thin branches to improve efficiency. When the crushing roller is detected to be stuck, the feeding control module automatically starts the manual reversal function to eliminate the jamming problem and ensure the continuity and reliability of the system. In addition, the feeding control module is equipped with a thermal imaging sensor to monitor the human body signal in the feeding area in real time. Once the hand is detected to enter, the system will be suspended immediately to avoid safety accidents caused by misoperation. Through intelligent control and safety protection design, the safety and convenience of the equipment are improved. The feeding roller is closely connected with the crushing component, and the feeding speed is accurately matched with the crushing process, which reduces material waste and improves work efficiency. At the same time, it has flexible adjustment and adaptive functions to meet various operation needs and comprehensively optimize the performance and use experience of the crushing equipment.

[0016] 2. This greening maintenance vehicle used for tree crushing is equipped with a storage box, a conveying pipe, and a partition. The parallel spiral conveying roller can stably convey the mixed wood chips to the vertical output cylinder, further improving the production efficiency. The adhesive in the storage box flows out during the stirring process of the crushed debris, so that the debris and the adhesive are evenly mixed, thereby improving the processing efficiency of the wood chips and ensuring the mixing quality. In addition, the moisture content or fire resistance of the wood chips can be adjusted according to needs by replacing different liquids (such as water or diluents), thereby enhancing the flexibility and applicability of the equipment, and effectively reducing the pollution to the working environment by reducing dust generation, thereby improving the environmental protection performance. The stirring blades and the partitions in the conveying pipe cooperate with the torsion spring to ensure that the conveying pipe is automatically blocked when the equipment stops to prevent the adhesive from dripping, keep the equipment clean, and avoid environmental pollution.

[0017] 3. This greening maintenance vehicle used for tree crushing is equipped with a recycling box rear door, an electric lifting door and an external discharge pipe. By setting a reversible recycling box rear door and an electric lifting plate at the rear of the recycling compartment, it can flexibly realize the recovery or discharge of wood chips. When the wood chips need to be recycled, the inner discharge pipe is connected to the discharge port of the crushing device to ensure that the wood chips directly enter the recycling box; when the wood chips do not need to be recycled, the wood chips can be sprayed directly onto the ground through the external discharge pipe to meet the needs of different working conditions. The electric lifting plate can automatically adjust the position of the inner discharge pipe, and the maximum lifting height is 75mm, which is convenient for adjusting the height of the discharge pipe when opening or closing the recycling box rear door. There is no need to frequently disassemble and assemble the inner discharge pipe, which reduces the complexity of operation and improves the convenience of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the plane structure of the present invention; Figure 3 It is a schematic diagram of the top view structure of the present invention; Figure 4 It is a rear view structural schematic diagram of the present invention; Figure 5 It is a schematic diagram of the top view of the structure of the beam connecting frame and the crushing box of the present invention; Figure 6 It is a side view structural diagram of the beam connecting frame and the crushing box of the present invention; Figure 7 This is a schematic diagram of the structure of the tail part of the recovery carriage of the present invention; Figure 8 This is a schematic diagram of the structure of the crushing assembly of the present invention; Fig. 9 This is a schematic cross-sectional view of the crushing assembly of the present invention; Fig.10 This is a schematic diagram of the structure of the delivery pipe and the stirring blade of the present invention; Fig.11 This is a schematic diagram of the partition position structure of the present invention; Fig.12 This is a schematic diagram of the structure of the stirring and discharging box of the present invention; Fig.13 It is a schematic diagram of the structure of the vertical output cylinder of the present invention.

[0020] The markings in the figure are: 1. Automobile chassis; 2. Suspension system; 3. Multifunctional machine; 4. Recycling carriage; 5. Crushing box; 6. Beam connecting frame; 7. Sliding frame; 8. Automatic feeding device; 9. Hydraulic cylinder; 10. Rotating motor; 11. Hydraulic motor; 12. Fan; 13. Air duct; 14. Recycling box rear door; 15. Support frame; 16. External discharge pipe; 17. Electric lifting plate; 18. Extension plate; 19. Storage box; 20. Mixing discharge box; 21. Crushing roller; 22. Guide plate; 23. Grinding roller; 24. Mixing blade; 25. Parallel spiral conveyor roller; 26. Vertical output cylinder; 27. Conveying pipe; 28. Connecting rod; 29. ​​Partition; 30. Servo motor; 31. Connecting conveying port. DETAILED DESCRIPTION

[0021] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0022] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] like Figures 1 to 13As shown, the greening maintenance vehicle for tree crushing includes a vehicle chassis 1, a cab is arranged on the top of one side of the vehicle chassis 1, and a beam connecting frame 6 is fixedly installed on the lower side of the vehicle chassis 1; a suspension system 2, the suspension system 2 is arranged at the front end of the vehicle chassis 1, the suspension system 2 is arranged as a three-folding mechanical arm, and the suspension system 2 is arranged as a hydraulic drive, and a multifunctional machine 3 is arranged at one end of the suspension system 2, and the suspension system 2 is used to drive the multifunctional machine 3 to work; a recovery system, the recovery system is arranged on one side of the vehicle chassis 1, and the recovery system includes a fixedly installed A recycling compartment 4 is provided on one side of the chassis 1, a fan 12 is provided on one side of the recycling compartment 4, a duct 13 is provided on one side of the fan 12, the other end of the duct 13 is connected to one side of the multifunctional tool 3, and the recycling system is used to recycle the pruned leaves and twigs; a crushing component is provided above the beam connecting frame 6, and the crushing component is used to crush the pruned trees or branches, wherein the multifunctional tool 3 includes a circular saw, a clamp saw, and a centrifugal shear, which are all configured as universal tools and can be universally connected to the suspension system 2; After starting the greening maintenance vehicle, the operator operates the suspension system 2 through the control system in the cab. The three-fold mechanical arm of the suspension system 2 extends to the target position, carrying the pre-installed multifunctional tools 3 such as a circular saw, a clamp saw or a centrifugal shear to prune trees or branches. The leaves and twigs produced by pruning are sucked in through the fan 12 and the air duct 13 and directly transported to the recycling compartment 4 to complete efficient cleaning. At the same time, the larger pruned branches are manually transported to the crushing component, which chops them into wood chips and stores or transfers them to the recycling compartment 4. When it is necessary to switch tasks, the tools on the suspension system 2 can be replaced to adapt to different operating requirements, thereby completing efficient, clean and multifunctional integration. Greening maintenance work, where multifunctional machines 3 such as circular saws, clamp saws and centrifugal shears are designed as independent functional modules, which means that each machine has an independent interface and connection system and can be disassembled, replaced or upgraded individually without large-scale adjustments to other parts. The connection parts of all machines use a unified standard interface to ensure compatibility with the suspension system 2, allowing different machines to be quickly replaced when needed without additional adapters or complicated operations, thereby achieving a universal connection. The universal connection can be achieved by quick-connect devices, plug-in connections, snap-on structures or universal bolt fixings to ensure fast and safe machine replacement and reduce the operator's workload and time cost.

[0024] like Figures 4 to 13As shown, the beam connecting frame 6 is hoisted below one side of the automobile chassis 1, and sliding frames 7 are arranged on both sides above the beam connecting frame 6, and sliding plates are slidably installed above the two sliding frames 7, and the crushing assembly is fixedly installed above the sliding plate. A hydraulic cylinder 9 is also fixedly installed on one side below the beam connecting frame 6, and the telescopic end of the hydraulic cylinder 9 is fixedly connected to the bottom end of the sliding plate. An automatic feeding device 8 is also arranged on one side of the crushing assembly, and a hydraulic motor 11 for driving the automatic feeding device 8 to rotate and feed is arranged on one side of the automatic feeding device 8; Through the telescopic function of the hydraulic cylinder 9, the sliding plate can be adjusted along the slide rail of the sliding frame 7, and the position of the crushing device can be flexibly changed according to the operation requirements to adapt to different working scenes. When the hydraulic cylinder 9 is retracted, the discharge port of the crushing device is docked with the internal discharge pipe, and the wood chips are directly transported to the recycling carriage 4, which is suitable for centralized garbage processing; when the hydraulic cylinder 9 is extended, the crushed wood chips can be directly sprayed on the ground through the external discharge pipe 16, which is convenient for on-site covering or reuse. The automatic feeding device 8 is driven by the hydraulic motor 11, which can realize continuous and stable feeding, ensuring the efficient operation of the crushing device. At the same time, the sliding frame 7 and the crushing device are installed in a linkage manner, so that the feeding and crushing processes are closely connected, reducing material waste and operation stagnation. The crushing assembly includes a crushing box 5 and a stirring and discharging box 20. The stirring and discharging box 20 is arranged at the bottom of the crushing box 5. The bottom end of the stirring and discharging box 20 is fixedly connected to the top of the sliding plate. A vertical output cylinder 26 is also arranged on one side of the stirring and discharging box 20. A rotating motor 10 for driving the crushing box 5 and the stirring and discharging box 20 is also arranged on one side of the crushing box 5. The crushing box 5 includes two crushing rollers 21 rotatably installed on the upper part of the crushing box 5, and two grinding rollers 23 rotatably installed on the bottom of the crushing box 5. Both sides of the middle part of the crushing box 5 are respectively provided with downwardly inclined guide plates 22. A stirring blade 24 is rotatably installed on the top of the stirring and discharging box 20. The inner sides of the stirring and discharging box 20 are arranged in an inclined shape. The inner middle part of the stirring and discharging box 20 is arranged in a downwardly sinking semicircular shape. Parallel spiral conveying rollers 25 are rotatably installed in the middle of the bottom of the stirring and discharging box 20. One side of the vertical output cylinder 26 A connecting conveying port 31 adapted to the bottom of the stirring and discharging box 20 is opened on the side, a vertical spiral conveying roller is arranged inside the vertical output cylinder 26, a servo motor 30 for driving the vertical spiral conveying roller is arranged at the bottom of the vertical output cylinder 26, and the top of the vertical output cylinder 26 is arranged as a discharging port, one side of the rotating shaft of the two crushing rollers 21 is sleeved with teeth meshing with each other, and one side of the two crushing rollers 21 and the two grinding rollers 23 is provided with a crushing pulley, and the pulleys on the two adjacent crushing rollers 21 and the grinding roller 23 are jointly sleeved with a first transmission belt, one side of the grinding roller 23 is provided with two pulleys, one side of the stirring blade 24 is sleeved with a stirring pulley, and the stirring pulley on the stirring blade 24 and the other crushing pulley on the side of one of the grinding rollers 23 are jointly sleeved with a second transmission belt, and the output end of the rotating motor 10 is fixedly connected to the rotating shaft of one of the crushing rollers 21; The rotating motor 10 is started to drive the rotating shaft of the crushing roller 21 to rotate. Through the tooth meshing and the crushing pulley transmission, the two crushing rollers 21 and the grinding roller 23 are driven to work in conjunction. The branches enter from the top of the crushing box 5, and first pass through the two crushing rollers 21 for preliminary crushing. The large branches are crushed into smaller pieces, and then fall to the grinding roller 23 under the guidance of the guide plate 22. The two grinding rollers 23 are further ground into fine wood chips. The ground wood chips enter the stirring and discharging box 20 through the bottom of the crushing box 5. The stirring blades 24 rotate to evenly stir the wood chips and concentrate them at the bottom. At the bottom of the stirring and discharging box 20, the wood chips are transported to the connecting conveying port 31 by the parallel spiral conveying rollers 25 and enter the vertical output cylinder 26. The servo motor 30 drives the vertical spiral conveying roller to discharge the wood chips from the top discharge port of the vertical output cylinder 26, completing the crushing and conveying process of the wood chips. According to the operation requirements, the wood chips can be directly discharged into the recovery carriage 4 or sprayed onto the ground through the external discharge pipe 16.

[0025] like Figures 8 to 11As shown, a first transmission pulley is also sleeved on the other side of the rotating shaft of the stirring blade 24, an extension plate 18 is provided on one side of the crushing box 5, a storage box 19 is provided on the top of the extension plate 18, a conveying pipe 27 is provided on the lower side of the storage box 19, the conveying pipe 27 penetrates the crushing box 5 and extends to the upper side of one side of the stirring and discharging box 20, a partition 29 is rotatably installed inside one side of the conveying pipe 27, a connecting rod 28 is embedded in the middle of the partition 29, and a torsion spring is provided at the nesting position of the connecting rod 28 and the partition 29. When there is no external force driving, the partition 29 always blocks the inside of the conveying pipe 27 under the action of the torsion spring, the connecting rod 28 penetrates the conveying pipe 27, the other end of the connecting rod 28 is fixedly connected to the second transmission pulley, and the first transmission pulley on the other side of the rotating shaft of the stirring blade 24 and the second transmission pulley at one end of the connecting rod 28 are sleeved with a third transmission belt; After starting the equipment, the rotating motor 10 drives the crushing roller 21 and the grinding roller 23 inside the crushing box 5 to work, and at the same time drives the stirring blade 24 to rotate. The rotation of the stirring blade 24 is connected to the connecting rod 28 through the first transmission pulley on the other side thereof. The connecting rod 28 transmits power through the belt to drive the partition 29 inside the conveying pipe 27 to open. When the partition 29 is opened, the viscous agent or liquid in the storage box 19 flows into the stirring discharge box 20 through the conveying pipe 27 under the action of gravity, and is evenly mixed with the wood chips under the action of the stirring blade 24. The viscous agent is controlled within a suitable flow range during the entire stirring process to ensure uniform mixing. The parallel spiral conveying rollers 25 of the stirring discharge box 20 will mix the mixed The finished wood chips are transported to the vertical output cylinder 26 to complete the processing and output of the wood chips. When the equipment stops running, the partition 29 under the action of the torsion spring automatically returns to its original position to close the delivery pipe 27 to prevent the adhesive in the storage box 19 from dripping, thereby ensuring the cleanliness of the equipment and the smoothness of subsequent operations. The addition of the adhesive can be used as a binding material during the wood chip processing or recycling process to bond the crushed wood chip particles together for the preparation of pellet fuel, biomass boards or other pressed products, and reduce the dust of the wood chips during the transportation and processing process, reduce the pollution to the working environment, and improve the environmental protection performance. Other liquids, such as water or diluents, can also be replaced to increase the moisture content of the wood chips and enhance their fire resistance.

[0026] like Figure 7 As shown, a reversible recycling box rear door 14 is provided at the rear of the recycling compartment 4, and an electric lifting plate 17 is provided on one side of the recycling box rear door 14. Two support frames 15 are provided on both sides of one side of the electric lifting plate 17, and an external discharge pipe 16 is fixedly installed on the other side of the support frame 15. The bottom of the external discharge pipe 16 can be matched with the top of the vertical output cylinder 26, and the maximum lifting height of the electric lifting plate 17 is set to 75 cm; By arranging a reversible recycling box rear door 14 and an electric lifting plate 17 at the rear of the recycling carriage 4, the recovery or discharge of wood chips can be flexibly realized. When the wood chips need to be recovered, the inner discharge pipe is connected to the discharge port of the crushing device to ensure that the wood chips directly enter the recycling box; when the wood chips do not need to be recycled, the wood chips can be directly sprayed onto the ground through the external discharge pipe 16 to meet the needs of different working conditions. The electric lifting plate 17 can automatically adjust the position of the inner discharge pipe with a maximum lifting height of 75 mm, which is convenient for adjusting the height of the discharge pipe when opening or closing the recycling box rear door 14. There is no need to frequently disassemble and assemble the inner discharge pipe, which reduces the complexity of operation and improves the convenience of the equipment.

[0027] The automatic feeding device 8 is also provided with a feeding control module, which dynamically adjusts the feeding speed and the state of the crushing system based on the fuzzy control algorithm, and monitors the thickness of the branches and the hand entry in real time through sensor feedback, specifically including: Use sensors to monitor the thickness of branches in real time, calculate the thickness error and error change rate, and use thermal imaging sensors to monitor in real time whether a hand is inserted into the feed roller feed port, ensuring accurate feedback of the thickness of branches and the entry of hands; The fuzzy control algorithm includes input variables and output variables. The input variables include branch thickness error, error change rate and hand entry status; the output variables include feed speed adjustment and crushing system status. Fuzzy rule table: define fuzzy sets, including "slow, moderate, fast", and design fuzzy rule tables to output corresponding adjustment amounts and state changes according to the error, error change rate, and hand entry state; The calculation steps of the fuzzy control algorithm are as follows: Fuzzification: Compare the branch thickness error fed back by the sensor with the error change rate, calculate the error and perform fuzzification, and classify the hand entry state into the "yes" or "no" category; Rule reasoning: Based on the fuzzy rule table, combined with the current branch thickness error, error change rate and hand entry state, the fuzzy value of the feed speed adjustment amount and the crushing system state is inferred; Defuzzification: convert the fuzzy value into the specific feeding speed adjustment and crushing system status, drive the feeding roller speed adjustment and system status switching; The specific fuzzy control algorithm is as follows:

[0028]

[0029] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0030] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A greening maintenance vehicle for tree crushing, characterized in that: include: An automobile chassis (1), wherein a cab is provided on the top of one side of the automobile chassis (1), and a beam connecting frame (6) is fixedly installed on the lower side of the automobile chassis (1); A suspension system (2), the suspension system (2) being arranged at the front end of the automobile chassis (1), the suspension system (2) being arranged as a three-folding mechanical arm, and the suspension system (2) being arranged to be hydraulically driven, a multifunctional tool (3) being arranged at one end of the suspension system (2), and the suspension system (2) being used to drive the multifunctional tool (3) to work; A recycling system, the recycling system being arranged on one side of the automobile chassis (1), the recycling system comprising a recycling carriage (4) fixedly mounted on one side of the automobile chassis (1), a fan (12) being arranged on one side of the recycling carriage (4), an air duct (13) being arranged on one side of the fan (12), the other end of the air duct (13) being connected to one side of the multifunctional machine (3), the recycling system being used to recycle pruned leaves and twigs; A crushing assembly is arranged above the beam connecting frame (6), and is used to crush pruned trees or branches.

2. The greening maintenance vehicle for tree crushing according to claim 1, characterized in that: The beam connecting frame (6) is hoisted below one side of the automobile chassis (1), and sliding frames (7) are arranged on both sides above the beam connecting frame (6), and a sliding plate is slidably installed above the two sliding frames (7), and the crushing assembly is fixedly installed above the sliding plate. A hydraulic cylinder (9) is also fixedly installed on one side below the beam connecting frame (6), and the telescopic end of the hydraulic cylinder (9) is fixedly connected to the bottom end of the sliding plate. An automatic feeding device (8) is also arranged on one side of the crushing assembly, and a hydraulic motor (11) for driving the automatic feeding device (8) to rotate and feed is arranged on one side of the automatic feeding device (8).

3. The greening maintenance vehicle for tree crushing according to claim 2, characterized in that: The pulverizing assembly comprises a pulverizing box (5) and a stirring and discharging box (20); the stirring and discharging box (20) is arranged at the bottom of the pulverizing box (5); the bottom end of the stirring and discharging box (20) is fixedly connected to the top end of the sliding plate; a vertical output cylinder (26) is also arranged on one side of the stirring and discharging box (20); and a rotating motor (10) for driving the pulverizing box (5) and the stirring and discharging box (20) is also arranged on one side of the pulverizing box (5).

4. The greening maintenance vehicle for tree crushing according to claim 3, characterized in that: The crushing box (5) comprises two crushing rollers (21) rotatably mounted on the upper part of the crushing box (5), and two grinding rollers (23) rotatably mounted on the bottom part of the crushing box (5), and downwardly inclined guide plates (22) are respectively arranged on both sides of the middle part of the crushing box (5).

5. The greening maintenance vehicle for tree crushing according to claim 4, characterized in that: A stirring blade (24) is rotatably mounted on the top of the stirring and discharging box (20); the two sides of the stirring and discharging box (20) are arranged in an inclined shape; the middle of the stirring and discharging box (20) is arranged in a downwardly sinking semicircular shape; a parallel spiral conveying roller (25) is rotatably mounted on the middle of the bottom of the stirring and discharging box (20); a connecting conveying port (31) adapted to the bottom of the stirring and discharging box (20) is provided on one side of the vertical output cylinder (26); a vertical spiral conveying roller is arranged inside the vertical output cylinder (26); a servo motor (30) for driving the vertical spiral conveying roller is arranged at the bottom of the vertical output cylinder (26); and the top of the vertical output cylinder (26) is arranged as a discharge port.

6. The greening maintenance vehicle for tree crushing according to claim 5, characterized in that: One side of the rotating shaft of the two crushing rollers (21) is sleeved with teeth meshing with each other, and one side of the two crushing rollers (21) and the two grinding rollers (23) is provided with a crushing pulley, and the pulleys on the two adjacent crushing rollers (21) and the grinding roller (23) are sleeved with a first transmission belt, and one side of the grinding roller (23) is provided with two pulleys, and one side of the stirring blade (24) is sleeved with a stirring pulley, and the stirring pulley on the side of the stirring blade (24) and the other crushing pulley on the side of one of the grinding rollers (23) are sleeved with a second transmission belt, and the output end of the rotating motor (10) is fixedly connected to the rotating shaft of one of the crushing rollers (21).

7. The greening maintenance vehicle for tree crushing according to claim 6, characterized in that: A first transmission pulley is also sleeved on the other side of the rotating shaft of the stirring blade (24); an extension plate (18) is provided on one side of the crushing box (5); a storage box (19) is provided on the top of the extension plate (18); a conveying pipe (27) is provided on the lower side of the storage box (19); the conveying pipe (27) penetrates the crushing box (5) and extends to the upper side of one side of the stirring discharge box (20); a partition plate (29) is rotatably installed inside one side of the conveying pipe (27); the middle part of the partition plate (29) is embedded A connecting rod (28) is installed, and a torsion spring is arranged at the nesting position of the connecting rod (28) and the partition (29). When there is no external driving force, the partition (29) always blocks the inside of the conveying pipe (27) under the action of the torsion spring. The connecting rod (28) is arranged to pass through the conveying pipe (27), and the other end of the connecting rod (28) is fixedly connected to a second transmission pulley, and the first transmission pulley on the other side of the rotating shaft of the stirring blade (24) and the second transmission pulley at one end of the connecting rod (28) are jointly sleeved with a third transmission belt.

8. The greening maintenance vehicle for tree crushing according to claim 1 or 4, characterized in that: A reversible recycling box rear door (14) is arranged at the rear of the recycling compartment (4); an electric lifting plate (17) is arranged on one side of the recycling box rear door (14); two support frames (15) are arranged on both sides of one side of the electric lifting plate (17); an external discharge pipe (16) is fixedly installed on the other side of the support frame (15); the bottom of the external discharge pipe (16) can be matched with the top of the vertical output cylinder (26); and the maximum lifting height of the electric lifting plate (17) is set to 75 cm.

9. The greening maintenance vehicle for tree crushing according to claim 1, characterized in that: The multifunctional machine (3) comprises a circular saw, a clamp saw and a centrifugal shear. The circular saw, the clamp saw and the centrifugal shear are all configured as universal machines and can be universally connected to the suspension system (2).

10. The greening maintenance vehicle for tree crushing according to claim 2, characterized in that: The automatic feeding device (8) is also provided with a feeding control module. The feeding control module dynamically adjusts the feeding speed and the state of the crushing system based on a fuzzy control algorithm, and monitors the thickness of the branches and the hand entry in real time through sensor feedback, specifically including: Use sensors to monitor the thickness of branches in real time, calculate the thickness error and error change rate, and use thermal imaging sensors to monitor in real time whether a hand is inserted into the feed roller feed port, ensuring accurate feedback of the thickness of branches and the entry of hands; The fuzzy control algorithm includes input variables and output variables. The input variables include branch thickness error, error change rate and hand entry status; the output variables include feed speed adjustment and crushing system status. Fuzzy rule table: define fuzzy sets, including "slow, moderate, fast", and design fuzzy rule tables to output corresponding adjustment amounts and state changes based on the error, error change rate, and hand entry state; The calculation steps of the fuzzy control algorithm are as follows: Fuzzification: Compare the branch thickness error fed back by the sensor with the error change rate, calculate the error and perform fuzzification, and classify the hand entry status into the "yes" or "no" category; Rule reasoning: Based on the fuzzy rule table, combined with the current branch thickness error, error change rate and hand entry state, the fuzzy value of the feed speed adjustment amount and the crushing system state is inferred; Defuzzification: Convert the fuzzy value into the specific feed speed adjustment and crushing system status, drive the feed roller speed adjustment and system status switching.

Images