Improved mowing device and method for degraded caragana microphylla shrubs based on loess hilly-gully region

Abstract

The invention relates to an improved degenerated caragana microphylla shrub cutting device and method based on a loess hilly and gully region, and relates to the technical field of agricultural machine.The device comprises a box body, and a grass gathering device and cutting equipment are sequentially arranged at one end of the box body in the caragana microphylla stem and branch feeding direction; a conveying frame used for bearing and conveying cut caragana microphylla stems and branches is arranged behind the cut-off equipment, annular conveying equipment is fixedly arranged at the bottom of the conveying frame, and a smashing box assembly, an ultraviolet disinfection assembly and a plurality of drug mixing assemblies are sequentially arranged on the annular conveying equipment along the conveying path of the caragana microphylla stems and branches. The device integrates the functions of collecting, cutting off, smashing, disinfecting and medicament mixing, recycling of waste is achieved by treating stems and branches of caragana microphylla in real time on site and directly applying the stems and branches to roots of the caragana microphylla, the recovery speed of degraded caragana microphylla can be increased, fractures of the caragana microphylla can be effectively prevented from being infected by the outside by arranging the coating assembly, and the service life of the caragana microphylla is prolonged. The rejuvenation speed of the caragana microphylla shrub is further accelerated.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of agricultural machinery, and specifically relates to a degraded shrub improvement and mowing device and method based on a loess hilly and gully region. BACKGROUND

[0002] In the loess hilly and gully region, due to long-term natural erosion and human activities, the vegetation coverage has significantly decreased, leading to serious water and soil loss problems. As a drought-tolerant and cold-tolerant shrub, caragana is widely used in vegetation restoration projects in this region. However, over time, the caragana shrubs will show signs of degradation, such as slow growth, sparse branches and leaves, frequent pest and disease problems, etc. In order to promote the rejuvenation of these degraded vegetation, traditional mowing methods are widely used.

[0003] Traditional mowing methods mainly include manual or mechanical mowing, which aims to remove old or damaged parts to stimulate the germination of new branches. Although this method can promote vegetation restoration to some extent, it still has many shortcomings in actual operation, and it is difficult to meet the needs of efficiency, environmental protection and sustainable development. Most of the existing mowing devices only have basic cutting functions and cannot simultaneously perform comprehensive treatments such as dead leaf cleaning, pest and disease control, and soil improvement, requiring additional manual or equipment to complete subsequent steps, increasing labor intensity and cost. The existing mowing devices lack effective pest and disease control measures, and the dead leaves and debris after mowing are often directly discarded without effective utilization. In addition, the extensive use of chemical agents also causes environmental pollution.

[0004] Therefore, we provide a degraded shrub improvement and mowing device and method based on a loess hilly and gully region to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a degraded shrub improvement and mowing device and method based on a loess hilly and gully region to solve the problems in the background art.

[0006] The present application achieves the above-mentioned purpose through the following technical solutions:

[0007] The utility model provides a kind of based on loess hilly and gully area's degraded caragana shrub improvement cutting device, including box, the end of the box is sequentially provided with grass collector and cutting device along caragena stem branch feeding direction, the rear of cutting device is provided with the conveying frame for receiving and conveying after cutting caragena stem branch, the bottom of conveying frame is fixedly provided with annular conveying equipment, annular conveying equipment is sequentially provided with pulverizer box assembly, ultraviolet disinfection assembly and multiple groups of reagent mixing assembly along the conveying path of caragena stem branch;Conveying frame is opened with discharge port in the position corresponding to the top of pulverizer box assembly, to fall on annular conveying equipment by the discharge port for caragena stem branch, sequentially complete pulverizing, disinfection and reagent mixing processing procedure, and finally lay in the soil surface of both sides of caragena root;One side of conveying frame is also provided with collection box for collecting remaining caragena stem branch.

[0008] As a further optimization scheme of the utility model, the grass collector includes a fixed grass gathering unit and a movable grass gathering unit fixed on the end face of the box.

[0009] As a further optimization scheme of the utility model, the bottom of the box is provided with a power device and a groove for the caragena root to pass through; the end of the box on the same side as the cutting device is provided with a camera for identifying the health status of the caragena, and one side of the annular conveying device is provided with a lifting mechanism for driving it to lift.

[0010] As a further optimization scheme of the utility model, the inner side of the annular conveying device is provided with a discharge port, and a distributor is provided at the discharge port.

[0011] As a further optimization scheme of the utility model, the reagent mixing assembly includes a reagent storage tank and a support frame for fixing the reagent storage tank; the bottom of the reagent storage tank is provided with a discharge pipe, the discharge pipe is provided with a discharge auger, the end of the discharge auger is fixedly provided with a first gear, the support frame is also fixedly provided with a gear ring arranged around the reagent storage tank, a plurality of second gears are evenly distributed between the gear ring and the first gear, and the bottom of the second gear is provided with a stirrer; one side of the first gear is also provided with a third gear engaged with it, and the top of the support frame is fixedly provided with a motor for driving the third gear to rotate.

[0012] As a further optimization scheme of the utility model, it further includes a coating assembly fixedly arranged between the movable grass gathering unit and the annular conveying device and used for coating liquid medicine on the caragena fracture, the coating assembly includes a mounting plate, a plurality of coating rollers rotatably arranged at the bottom of the mounting plate, a coating unit uniformly arranged on the surface of the coating roller, and a liquid supply unit for supplying liquid medicine to the coating unit.

[0013] As a further optimization scheme of the present application, the coating unit comprises a fixed plate fixed on the inner wall of the coating roller and a movable rod penetrating the fixed plate; one end of the movable rod is fixedly provided with an extrusion block extending to the outside of the coating roller, and the other end of the movable rod is fixedly provided with a pressing plate; a spring is sleeved on the movable rod between the pressing plate and the fixed plate.

[0014] As a further optimization scheme of the present application, the liquid supply unit comprises a capsule in the coating roller and a liquid storage bin on the top of the mounting plate; a plurality of liquid outlet capillaries are uniformly arranged on the surface of the capsule and inserted into the movable rod; an air pump is arranged on the side of the liquid storage bin; the liquid storage bin is connected with the capsule through a pipeline; and a rotary joint connected with the pipeline is arranged on the end face of the capsule.

[0015] As a further optimization scheme of the present application, the device further comprises an adsorption assembly for adsorbing dry leaves around the roots of the shrubs; the adsorption assembly comprises an adsorption pipeline fixed on the bottom of the fixed grass gathering unit and the movable grass gathering unit; a plurality of adsorption holes are arranged on the adsorption pipeline; an adsorption fan is arranged at the outlet end of the adsorption pipeline; and the outlet pipeline of the adsorption fan is inserted into the crushing box assembly.

[0016] The present application also provides a degradation shrub improvement and mowing method based on the loess hilly and gully region, which comprises the following steps:

[0017] S1, the dispersed shrub stems are gathered by the grass gathering device, and then cut to a suitable height by the cutting device;

[0018] S2, the cut shrub stems are sent into the crushing box assembly and the collection box by the conveying frame; the shrub stems entering the crushing box assembly are crushed; the crushed materials are sequentially conveyed to the ultraviolet disinfection assembly and the pesticide mixing assembly by the annular conveying device; the crushed materials are sterilized by the ultraviolet disinfection assembly; the crushed materials are fully mixed with the nutrient or control pesticide by the pesticide mixing assembly; and the mixed materials after all treatments are spread into the soil around the roots of the shrubs.

[0019] The present application has the following advantages:

[0020] 1, the present application integrates the functions of collection, cutting, crushing, disinfection and pesticide mixing by setting the annular conveying device, the crushing box assembly, the ultraviolet disinfection assembly and the pesticide mixing assembly, and directly applies the shrub stems to the roots of the shrubs by on-site real-time processing, realizes the recycling of waste, reduces resource waste, and combines the recycling of the shrubs with the application of the pesticide, which is beneficial to accelerating the recovery speed of the degradation shrubs and enhancing the stress resistance of the degradation shrubs; the whole device is highly automated, greatly improves the work efficiency, and reduces the labor cost.

[0021] 2. By setting up a coating component, this invention can effectively prevent the cut surface of Caragana korshinskii from being infected by external pathogens and losing moisture, thereby reducing the risk of subsequent disease transmission, accelerating the rejuvenation of Caragana korshinskii shrubs, shortening the recovery cycle of Caragana korshinskii, and improving the effect of ecological restoration. Moreover, the design of multiple coating units can accurately coat the liquid, ensuring that the liquid only acts on the cut surface, avoiding the waste of liquid and environmental pollution that may be caused by traditional spraying methods, and reducing the negative impact on soil, water sources and the surrounding ecological environment.

[0022] 3. By setting up an adsorption component, this invention can simultaneously remove dead leaves and other debris around the Caragana shrubs during the cutting process, keeping the work area clean, reducing the amount of subsequent cleaning work, improving overall work efficiency, and effectively adsorbing pests, preventing the further spread of pests and diseases among the Caragana shrubs. This helps protect the uncut Caragana shrubs and other surrounding plants. Furthermore, the adsorbed dead leaves and other debris are directly sent to the crushing box component for processing, achieving effective reuse of resources.

[0023] 4. By setting up a camera and a lifting mechanism, the present invention enables the device to have an adjustable cutting height. The camera identifies the health status of the Caragana korshinskii and determines the cutting height based on the health status. The lifting mechanism is responsible for adjusting the height of the annular conveyor to adapt to the coppicing and rejuvenation of Caragana korshinskii shrubs with different growth conditions. Attached Figure Description

[0024] Figure 1 This is a top-view perspective view of the overall structure of the present invention;

[0025] Figure 2 This is a bottom-view perspective view of the overall structure of the present invention;

[0026] Figure 3 Cross-sectional view of the overall structure of the present invention Figure 1 ;

[0027] Figure 4 Cross-sectional view of the overall structure of the present invention Figure 2 ;

[0028] Figure 5 This is a schematic diagram of the end structure of the housing of the present invention;

[0029] Figure 6 This is a schematic diagram of the annular conveying device structure of the present invention;

[0030] Figure 7 This is a schematic diagram of the pharmaceutical mixing component structure of the present invention;

[0031] Figure 8 This is a schematic diagram of the overall structure of the coating assembly of the present invention;

[0032] Figure 9 This is a cross-sectional view of the coating component of the present invention;

[0033] Figure 10 Structure diagram of the adsorption assembly of the application.

[0034] In the figure:

[0035] 1, box; 101, power equipment; 102, groove; 103, camera; 2, ring conveying equipment; 201, lifting mechanism; 202, discharge port; 203, distributor; 3, conveying frame; 4, grass collector; 401, fixed grass collecting unit; 402, movable grass collecting unit; 5, cutting device; 6, collection box; 7, crushing box assembly; 8, ultraviolet disinfection assembly; 9, pesticide mixing assembly; 901, pesticide storage tank; 902, support frame; 903, first gear; 904, second gear; 905, gear ring; 906, stirrer; 907, third gear; 908, motor; 10, coating assembly; 1001, mounting plate; 1002, coating roller; 1003, coating unit; 1003a, fixed plate; 1003b, movable rod; 1003c, pressing plate; 1003d, spring; 1004, liquid supply unit; 1004a, capsule; 1004b, liquid outlet capillary; 1004c, liquid storage bin; 1004d, inflation pump; 11, adsorption assembly; 1101, adsorption pipeline; 1102, adsorption hole; 1103, adsorption fan. DETAILED DESCRIPTION

[0036] The application will be described in further detail below with reference to the drawings. It is necessary to point out here that the following detailed description is only used to further illustrate the application and cannot be understood as limiting the scope of protection of the application. Those skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0037] Example one

[0038] In order to solve the problem that most of the existing mowing devices only have basic cutting function and cannot simultaneously perform comprehensive treatment such as dead leaf cleaning, pest control and soil improvement, please refer to Figures 1-6The application provides a degraded caragana shrub improvement and mowing device based on a loess hilly gully region, which comprises a box body 1, a grass gathering device 4 and a cutting device 5 are sequentially arranged at one end of the box body 1 along the feeding direction of the caragana stems, the caragana stems are combed and gathered through the grass gathering device 4, and then the gathered caragana stems are cut into a preset length through the cutting device 5, a conveying frame 3 for receiving and conveying the cut caragana stems is arranged at the rear of the cutting device 5, the conveying frame 3 is arranged in an inclined manner and is provided with an auxiliary power device to assist the conveying of the caragana stems, a ring-shaped conveying device 2 is fixedly arranged at the bottom of the conveying frame 3, a smashing box assembly 7, an ultraviolet disinfection assembly 8 and multiple groups of medicament mixing assemblies 9 are sequentially arranged on the ring-shaped conveying device 2 along the conveying path of the caragana stems, the ultraviolet disinfection assembly 8 can be provided with multiple groups and is distributed on the two sides of the medicament mixing assemblies 9, so that the smashed caragana stems can be fully disinfected and uniformly mixed with nutrients or prevention and treatment medicaments, and the caragana stems can also be fully disinfected after being mixed with the nutrients or the prevention and treatment medicaments, a discharge port is formed in the conveying frame 3 above the smashing box assembly 7, so that the caragana stems fall onto the ring-shaped conveying device 2 through the discharge port, the smashing, disinfection and medicament mixing processes are sequentially completed, and finally the caragana stems are arranged on the soil surface on the two sides of the caragana roots, and a collecting box 6 for collecting the remaining caragana stems is arranged on one side of the conveying frame 3.

[0039] The grass gathering device 4 comprises fixed grass gathering units 401 and movable grass gathering units 402 which are fixed on the end face of the box body 1, and the movable grass gathering units 402 and the cutting device 5 are fixed on the side face of the ring-shaped conveying device 2. The fixed grass gathering units 401 and the movable grass gathering units 402 are usually composed of multiple curved metal rods or plastic rods and are in an arc-shaped or comb-shaped structure, and the main function is to gather the caragana plants together to facilitate unified mowing and improve the mowing efficiency and neatness.

[0040] The bottom of the box body 1 is provided with a power device 101 and a groove 102 for the caragana roots to pass through, considering the complex terrain of the loess hilly gully region, the power device 101 can adopt a tracked or wheeled walking mechanism to move flexibly in the gully region, the end of the box body 1 on the same side of the cutting device 5 is provided with a camera 103 for identifying the health status of the caragana to provide data support for accurate mowing, and one side of the ring-shaped conveying device 2 is provided with a lifting mechanism 201 for driving the lifting of the ring-shaped conveying device 2. The health status of the caragana is identified through the camera 103, the mowing height is determined based on the health status, the lifting mechanism 201 is responsible for adjusting the height of the ring-shaped conveying device 2, and then the height of the movable grass gathering units 402, the cutting device 5 and the collecting box 6 is adjusted, so that the caragana processing requirements of different mowing heights can be met.

[0041] The inner side of the ring-shaped conveying device 2 is provided with a discharge port 202, and the discharge port 202 is provided with a distributor 203.

[0042] As Figure 7As shown, the drug mixing assembly 9 includes a drug storage tank 901 and a support frame 902 for fixing the drug storage tank 901. The bottom of the drug storage tank 901 is provided with a discharge pipe, and a discharge auger is provided inside the discharge pipe to precisely control the discharge speed and amount of the drug. By using a spiral propulsion method, it is ensured that the drug can flow out smoothly and continuously. A first gear 903 is fixedly provided at the end of the discharge auger. A gear ring 905 arranged around the drug storage tank 901 is also fixedly provided on the support frame 902. A plurality of second gears 904 are provided between the gear ring 905 and the first gear 903, and each second gear 904 meshes with the first gear 903 and the gear ring 905 to form a precise power transmission network. A stirrer 906 is provided at the bottom of the second gear 904. A third gear 907 meshing with the first gear 903 is also provided on one side. A motor 908 for driving the third gear 907 to rotate is fixedly provided on the top of the support frame 902.

[0043] Motor 908 drives third gear 907 to rotate, which in turn drives first gear 903 to rotate. First gear 903 drives feeding auger to rotate, so that the medicine is accurately delivered from medicine storage tank 901 to mixing area through feeding pipe. First gear 903 simultaneously drives multiple second gears 904 to rotate. As the second gears 904 rotate, the agitator 906 at their bottom works synchronously to efficiently stir the material entering the mixing area, ensuring that the medicine is fully mixed with the crushed Caragana chinensis stems and branches to form a uniform compound. Through the design of feeding auger and gear transmission system, medicine in medicine storage tank 901 can be supplied at a precise speed and quantity. The gear transmission system drives multiple agitators 906 to work simultaneously. The agitators 906 are distributed around the circumference and rotate synchronously to form an all-round, multi-angle stirring effect.

[0044] This invention also provides a method for improving and mowing degraded Caragana korshinskii shrublands in the loess hilly and gully region, comprising the following steps:

[0045] S1. Gather the scattered Caragana stems and branches using the grass gatherer 4, and then cut them to a suitable height, usually 10-30 cm, using the cutting device 5 to promote the sprouting of new branches.

[0046] S2, the cut branches of the shrubs are sent into the crushing box assembly 7 and the collection box 6 by the conveying frame 3, the branches of the shrubs entering the crushing box assembly 7 are crushed, the crushed materials are sequentially conveyed to the ultraviolet sterilization assembly 8 and the medicament mixing assembly 9 by the annular conveying device 2, sterilized by the ultraviolet sterilization assembly 8 to kill possible pathogenic bacteria and other harmful microorganisms and prevent the spread of diseases, mixed with the nutrient or control medicament by the medicament mixing assembly 9, the nutrient or control medicament being used to supplement the nutrient elements in the soil, enhance the plant resistance or control diseases and pests, etc., and the mixed materials after all treatments are scattered into the soil around the roots of the shrubs to promote the vegetation recovery, improve the soil structure and provide necessary nutrient support.

[0047] Example Two

[0048] On the basis of Example One, in order to prevent the diseases and pests from invading the plants through the cut branches and accelerate the rejuvenation speed of the shrubs, as shown in Figures 2-4 、 Figures 8-9 the coating assembly 10 for coating the cut branches with the liquid medicine is further arranged between the movable grass gathering unit 402 and the annular conveying device 2, the coating assembly 10 including a mounting plate 1001, a plurality of coating rollers 1002 rotatably arranged at the bottom of the mounting plate 1001, coating units 1003 uniformly arranged on the surfaces of the coating rollers 1002 and a liquid supply unit 1004 for supplying the liquid medicine to the coating units 1003. Coating the cut branches with the protective material can effectively prevent the cut branches from being infected, promote the wound healing, improve the stress resistance of the shrubs and help the shrubs to better recover and grow, the liquid medicine being added with the bactericide, the insecticide or other biological control components or the drought-resistant agent, the cold-resistant agent, etc. according to the actual needs, the coating on the cut branches being able to directly kill or inhibit the invasion of the pathogenic bacteria and pests, the coating being able to help the shrubs to better adapt to the harsh natural environment of the loess hilly and gully region, the rotating movement of the coating rollers 1002 ensuring that the liquid medicine can uniformly cover the cut branches and avoid missing or repeated coating.

[0049] The coating unit 1003 includes a fixed plate 1003a fixed on the inner wall of the coating roller 1002 and a movable rod 1003b penetratingly arranged on the fixed plate 1003a, one end of the movable rod 1003b being fixedly provided with a pressing block extending to the outside of the coating roller 1002, the other end of the movable rod 1003b being fixedly provided with a pressing plate 1003c, the spring 1003d being sleeved on the movable rod 1003b between the pressing plate 1003c and the fixed plate 1003a.

[0050] The liquid supply unit 1004 includes a capsule 1004a located in the coating roller 1002 and a liquid storage bin 1004c located on the top of the mounting plate 1001; the surface of the capsule 1004a is uniformly provided with a plurality of liquid outlet capillaries 1004b, which are inserted into the movable rod 1003b; the side of the liquid storage bin 1004c is provided with an air pump 1004d; the liquid storage bin 1004c is connected with the capsule 1004a through a pipeline; and the end face of the capsule 1004a is provided with a rotary joint connected with the pipeline.

[0051] When the caragana root enters the coating area, the extrusion block on the coating roller 1002 contacts the fracture and is subjected to pressure, pushing the movable rod 1003b to move inward, compressing the spring 1003d, and the movable rod 1003b drives the pressing plate 1003c to move, the pressing plate 1003c applies pressure to the capsule 1004a, and the liquid medicine is released to the fracture surface through the liquid outlet capillary 1004b; with the rotation of the coating roller 1002, the liquid medicine is evenly coated on the fracture of the caragana stem and branch through the movable rod 1003b and the extrusion block; the air pump 1004d provides constant pressure for the liquid storage bin 1004c, ensuring that the liquid medicine can be stably transported from the liquid storage bin 1004c to the capsule 1004a. The setting of the coating assembly 10 can effectively prevent the caragana fracture from being infected by external pathogenic bacteria, water loss, etc., reduce the risk of subsequent disease spread, accelerate the rejuvenation speed of the caragana shrub, shorten the caragana recovery period, and improve the effect of ecological restoration. The design of multiple coating units 1003 can accurately coat the liquid medicine, ensure that the liquid medicine only acts on the cut part, avoid the waste of liquid medicine and environmental pollution caused by the traditional spraying method, and reduce the negative impact on the soil, water source and surrounding ecological environment.

[0052] Example Three

[0053] On the basis of example one and example two, in order to efficiently remove the dry leaves, debris and pests and other sundries in the surrounding environment in the caragana shrub improvement operation, as shown in Figure 1 、 Figure 10 , the caragana root is also provided with a suction assembly 11 for adsorbing dry leaves around the caragana root, the suction assembly 11 includes a suction pipeline 1101 fixed at the bottom of the fixed grass gathering unit 401 and the movable grass gathering unit 402, a plurality of suction holes 1102 are arranged on the suction pipeline 1101, and a suction fan 1103 is arranged at the outlet end of the suction pipeline 1101; the outlet pipeline of the suction fan 1103 is inserted into the crushing box assembly 7.

[0054] When the device is running, the fixed grass gathering unit 401 and the movable grass gathering unit 402 concentrate and guide the shrub stems to the cutting device 5 for cutting, at the same time, the plurality of suction holes 1102 on the suction pipeline 1101 start to work, using the strong suction force generated by the suction fan 1103 to suck the dry leaves, other debris or pests around the shrub into the suction pipeline 1101, the sucked dry leaves and other sundries are transported to the suction fan 1103 through the suction pipeline 1101, and then directly sent to the crushing box assembly 7 through the outlet pipeline, and crushed together with the cut shrub stems, the setting of the suction assembly 11 can keep the working area clean, reduce the subsequent cleaning workload, improve the overall working efficiency, effectively suck pests and the like, avoid the further spread of diseases and pests among the shrub bushes, help to protect the uncut shrubs and other plants around, and the sucked dry leaves and other sundries are directly sent to the crushing box assembly 7 for processing, realizing the effective reuse of resources.

[0055] The above-described embodiments only express one embodiment of the present application, which is described in detail, but it cannot be understood as a limitation on the scope of the patent of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A device for improving and mowing degraded Caragana shrubland in the loess hilly and gully region, comprising a box (1), wherein a grass gatherer (4) and a cutting device (5) are sequentially provided at one end of the box (1) along the feeding direction of Caragana shrub stems and branches, characterized in that: The cutting device (5) is provided with a conveyor frame (3) for receiving and conveying the cut Caragana stems and branches. The bottom of the conveyor frame (3) is fixed with a ring conveyor (2). The ring conveyor (2) is provided with a crushing box assembly (7), an ultraviolet disinfection assembly (8) and multiple sets of medicine mixing assemblies (9) in sequence along the conveying path of the Caragana stems and branches. The conveyor frame (3) has a feeding port at the position directly above the crushing box assembly (7) so that the stems and branches of the Caragana can fall onto the ring conveyor (2) through the feeding port, and complete the crushing, disinfection and chemical mixing process in sequence, and finally be placed on the soil surface on both sides of the Caragana roots. The conveyor frame (3) is also provided with a collection box (6) on one side for collecting the remaining Caragana stems and branches.

2. The cutting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 1, characterized in that: The hay gatherer (4) includes a fixed hay gathering unit (401) and a movable hay gathering unit (402) fixed on the end face of the box (1); The movable grass gathering unit (402) and the cutting device (5) are both fixed on the side of the annular conveying device (2).

3. The cutting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 1, characterized in that: The bottom of the box (1) is provided with a power device (101) and a groove (102) for the roots of the caragana to pass through; The end of the box (1) on the same side of the cutting device (5) is equipped with a camera (103) for identifying the health status of the twigs, and the side of the annular conveying device (2) is equipped with a lifting mechanism (201) for driving its lifting and lowering.

4. The cutting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 1, characterized in that: The inner side of the annular conveying device (2) is provided with a discharge port (202), and a distributor (203) is provided at the discharge port (202).

5. The cutting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 1, characterized in that: The drug mixing assembly (9) includes a drug storage tank (901) and a support frame (902) for fixing the drug storage tank (901); The bottom of the medicine storage tank (901) is provided with a feeding pipe, and a feeding auger is provided inside the feeding pipe. A first gear (903) is fixedly provided at the end of the feeding auger. A gear ring (905) arranged around the medicine storage tank (901) is also fixedly provided on the support frame (902). A plurality of second gears (904) are provided between the gear ring (905) and the first gear (903) and are evenly distributed around the circumference. A stirrer (906) is provided at the bottom of the second gear (904). A third gear (907) meshes with the first gear (903) on one side, and a motor (908) for driving the third gear (907) to rotate is fixed on the top of the support frame (902).

6. The device for improving and mowing degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 2, characterized in that: It also includes a coating assembly (10) fixed between the movable grass gathering unit (402) and the annular conveying device (2) for applying the medicine to the broken ends of the Caragana korshinskii. The coating assembly (10) includes a mounting plate (1001), a plurality of coating rollers (1002) rotatably disposed at the bottom of the mounting plate (1001), coating units (1003) evenly distributed on the surface of the coating rollers (1002), and a liquid supply unit (1004) for supplying the medicine to the coating units (1003).

7. A harvesting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 6, characterized in that: The coating unit (1003) includes a fixed plate (1003a) fixed on the inner wall of the coating roller (1002) and a movable rod (1003b) that passes through the fixed plate (1003a); One end of the movable rod (1003b) is fixedly provided with an extrusion block, which extends to the outside of the coating roller (1002). The other end of the movable rod (1003b) is fixedly provided with a pressure plate (1003c). A spring (1003d) is sleeved on the movable rod (1003b) between the pressure plate (1003c) and the fixed plate (1003a).

8. A harvesting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 7, characterized in that: The liquid supply unit (1004) includes a bladder (1004a) located inside the coating roller (1002) and a liquid storage tank (1004c) located on top of the mounting plate (1001); The surface of the capsule (1004a) is evenly provided with a plurality of liquid outlet capillaries (1004b), which are inserted into the movable rod (1003b). An air pump (1004d) is provided on the side of the liquid storage chamber (1004c). The liquid storage chamber (1004c) is connected to the capsule (1004a) through a pipe. A rotary joint connected to the pipe is provided on the end face of the capsule (1004a).

9. A harvesting device for improving degraded Caragana korshinskii shrubland in the loess hilly and gully region according to claim 2, characterized in that: It also includes an adsorption assembly (11) for adsorbing dead leaves around the roots of Caragana korshinskii. The adsorption assembly (11) includes an adsorption pipe (1101) fixed to the bottom of the fixed grass gathering unit (401) and the movable grass gathering unit (402). The adsorption pipe (1101) is provided with a plurality of adsorption holes (1102). An adsorption fan (1103) is provided at the outlet end of the adsorption pipe (1101). The outlet pipe of the adsorption fan (1103) is inserted into the crushing box assembly (7).

10. A method for improving and mowing degraded Caragana shrubland in the loess hilly and gully region, comprising using a mowing device for improving and mowing degraded Caragana shrubland in the loess hilly and gully region as described in any one of claims 1-9, characterized in that, Includes the following steps: S1. Gather the scattered Caragana stems and branches using a grass gatherer (4), and then cut them to a suitable height using a cutting device (5); S2. The cut Caragana stems are fed into the crushing box assembly (7) and the collection box (6) by the conveyor frame (3). The part of the Caragana stems entering the crushing box assembly (7) is crushed. The crushed material is conveyed to the ultraviolet disinfection assembly (8) and the agent mixing assembly (9) in sequence by the ring conveyor (2). It is sterilized by the ultraviolet disinfection assembly (8) and fully mixed with nutrients or prevention agents by the agent mixing assembly (9). The mixture after all treatments is spread into the soil around the roots of Caragana.

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