Method for repeated weeding and grass planting through vegetation concrete and weeding tool

Abstract

The invention discloses a method for repeated weeding and grass planting through vegetation concrete and a weeding tool, and belongs to the technical field of slope repeated planting. Evaluating the growth condition of the slope plants; grass planting work is carried out after weeding work is carried out on the vegetation concrete slope with the growth condition not reaching the standard; the growth condition of repeated grass planting is evaluated within 28 days; and carrying out supplementary grass planting work on the substandard slope section. Meanwhile, a weeding tool is invented for weeding work and comprises a vacuum flushing and sucking circulating ground breaking probe, a vacuum generator, a vacuum flushing and sucking hinged pipe joint, a sliding mechanism, a multi-shaft sliding rail stand, a guide connecting mechanism, a pipe joint contraction box, a biological capsule storage box, a vacuum waste storage box, a pressure water storage box and a main machine body stand. By using the method and the tool provided by the invention, quantitative evaluation of the growth condition of the vegetation concrete slope plants is realized, and the problems that the vegetation concrete structure is damaged, the removal effect is poor and the efficiency is low in weeding work are solved.

Description

Technical Field

[0001] The invention belongs to the technical field of repeated planting on slopes, and in particular relates to a method for repeated weeding and weeding of planted concrete and a weeding tool. Background Art

[0002] With the rapid development of transportation infrastructure construction, slope protection is an unavoidable problem in the construction of various transportation projects. There are many problems that need to be solved in slope protection projects, and there are also many difficulties to be overcome in slope protection technology. In order to avoid engineering disasters such as slope collapse and landslide disasters, and to ensure ecological balance and sustainable development, the high-quality construction of slope protection projects plays a vital role in ensuring the stability of transportation infrastructure and promoting the protection of the natural environment. In slope protection projects, vegetated concrete slope protection is a widely used technology.

[0003] In the process of vegetated concrete slope protection, the project often only pays attention to the quality of slope protection during the construction period, but ignores the poor growth of plants during the slope work in the future. The traditional method of repeated weeding and grass planting has many limitations. When the growth of plants on the vegetated concrete slope is poor, it is difficult to maintain the stability of the slope, and slope collapse and other problems may occur again; the traditional plant growth status assessment is often based on personal subjective assessment, and it is difficult to effectively evaluate the plant growth status systematically; the traditional weeding method is difficult to carry out on steep slopes, and manual shoveling is often inefficient and the effect is often poor; due to the special structure of the vegetated concrete slope protection, the traditional weeding method is difficult to effectively remove the waste soil and plant roots inside the vegetated concrete bricks, and forced removal will inevitably cause certain damage to the slope protection bricks; the traditional grass planting method is complicated and requires professional guidance. It is inefficient and difficult to guarantee the effect of repeated grass planting.

[0004] Based on the above-mentioned problems, a plant growth assessment method with data support and quantitative evaluation is provided, and a semi-automatic integrated weeding tool is invented, which can effectively improve the weeding effect and avoid damaging the original vegetation concrete structure. At the same time, a new type of ecological fiber blanket is designed for the early weeding work to replace the traditional tedious and complicated grass planting work. Summary of the invention

[0005] The purpose of the present invention is to provide a method and a weeding tool for repeated weeding and planting of vegetated concrete. By using the above method and weeding tool, a quantitative evaluation of the growth status of plants on vegetated concrete slopes can be achieved, solving the problems of damaging the vegetated concrete structure and poor removal effect and low efficiency during weeding. At the same time, a new type of ecological fiber blanket is provided to replace the tedious grass planting work.

[0006] To achieve the above object, the present invention provides a method for repeated weeding and weeding of vegetated concrete, comprising the following steps:

[0007] S1: Assessment of slope plant growth status;

[0008] S2: weeding the vegetation concrete slopes that fail to meet the growth condition assessment in step S1;

[0009] S3: Repeated grass planting work on the cleaned vegetated concrete slope;

[0010] S4: After the repeatedly planted concrete slope has been maintained for 28 days, the growth status of the repeatedly planted grass on the slope is evaluated;

[0011] S5: Replant grass on the slope sections with weaker growth.

[0012] Preferably, the plant growth status assessment in step S1 comprises the following steps:

[0013] A1. Use a drone equipped with a high-resolution color imaging camera to scan and photograph the slope to be assessed. The high-resolution color imaging camera uses 16 million pixels.

[0014] A2. After the drone scans the slope, the high-definition image is processed; the high-definition image has significant color characteristics, and specific color areas are segmented by color space conversion and color range screening. The color areas are divided into the following three categories: black or brown, green and yellow. The black or brown represents slope soil, the green represents surviving herbaceous plants, and the yellow represents dead herbaceous plants;

[0015] A3. Calculate and process the three color regions to evaluate the plant growth status evaluation indicators M1 and M2:

[0016]

[0017] Where: M1 is the coverage of surviving plants;

[0018] S1 is the green area, representing the area of ​​surviving herbaceous plants;

[0019] S is the scanned slope area;

[0020]

[0021] Where: M2 is the plant survival rate;

[0022] S1 is the green area, representing the area of ​​surviving herbaceous plants;

[0023] S2 is the yellow area, representing the area of ​​dead herbaceous plants;

[0024] A4. Based on the above calculation results, evaluate the plant growth status according to the following table;

[0025]

[0026] If M1 fails to meet the standard, it means that the coverage rate of surviving plants on the slope is low; if M2 fails to meet the standard, it means that the survival rate of plants on the slope is low; if any of the evaluation indicators of M1 and M2 fails to meet the standard, it means that the growth condition of plants on the slope is poor, and step S2 needs to be performed on the slope.

[0027] Preferably, the grass planting work in step S3 includes the following steps:

[0028] First, a pre-mixed nutrient matrix is ​​poured into the vegetation concrete layer by grouting and cured for 3-6 hours; then a pre-implanted nutrient matrix with a density of 500-3000g / m 2 The ecological fiber blanket of grass seeds is directly covered on the surface of the vegetation concrete layer, and a 2-5 cm nutrient soil layer, a grass seed layer and a 0.5-2 cm nutrient soil layer are arranged on the ecological fiber blanket; the surface of the ecological fiber blanket is sprayed with special biological capsules.

[0029] Preferably, the biocapsules include two types, including a degradation capsule and a polymer capsule, the capsule walls of the two biocapsules are rapidly soluble in water, and the mixing ratio of the degradation capsule and the polymer capsule is 8:2. The degradation capsule contains a biodegradable bacterial agent, and the polymer capsule contains a biopolymerizing agent. The degradation capsule attaches to the intricate rhizomes inside the pores of the vegetation concrete through the internal biodegradable bacterial agent for degradation; the polymer capsule gathers the degraded rhizome debris through the internal biopolymerizing agent and attaches it to the top and surface of the vegetation concrete, accelerating its degradation process in an open environment.

[0030] Preferably, the step S4 uses the growth status evaluation index M1 in the step S1 to evaluate the growth status of the repeated grass planting, and the evaluation time is respectively the 7th day, the 14th day, the 21st day and the 28th day;

[0031] Evaluate the growth of repeated grass plantings according to the following table:

[0032]

[0033] During the observation stage, if the evaluation results on the 7th and 14th days do not meet the standards but there is germination, step S5 is not required; if the standards are not met on the 7th and 14th days and there is no germination or if the evaluation results on the 21st and 28th days do not meet the standards, step S5 is required; step S5 adopts traditional replanting technology.

[0034] The present invention also provides a weeding tool for repeated weeding and planting of vegetation concrete. The weeding work in step S2 of a method for repeated weeding and planting of vegetation concrete is performed using the weeding tool for repeated weeding and planting of vegetation concrete. The weeding tool is a semi-automatic weeding tool, which includes a vacuum flushing and suction circulation soil breaking probe, a vacuum generator, a vacuum flushing and suction articulated pipe joint, a sliding mechanism, a multi-axis slide rail stand, a guide connection mechanism, a pipe joint contraction box, a biological capsule storage box, a vacuum waste storage box, a pressure water storage tank and a main body stand;

[0035] A vacuum generator is arranged on the vacuum flushing and suction circulation earth-breaking probe, the top of which is connected to a plurality of vacuum flushing and suction articulated pipe joints, which are retracted in pipe joint retraction boxes, and a guide connection mechanism and a sliding mechanism are arranged on the vacuum flushing and suction articulated pipes in sequence; the guide connection mechanism and the sliding mechanism are arranged on a multi-axis slide rail frame, which is connected to a main body frame, a vacuum waste storage box, a pressure water storage tank and a biological capsule storage box are arranged on the main body frame, and a walkable moving mechanism is arranged under the main body frame.

[0036] Preferably, the vacuum flushing and suction circulation earth-breaking probe adopts a freely rotatable wavy serrated probe, the outer diameter of the vacuum flushing and suction circulation earth-breaking probe is 10 cm, and the inner diameter is 9 cm, the outer diameter of the vacuum flushing and suction articulated joint is 10 cm, and the inner diameter is 9 cm, and a high-pressure flushing pipe is arranged inside the vacuum flushing and suction circulation earth-breaking probe and the vacuum flushing and suction articulated joint, and the outer side of the high-pressure flushing pipe is wrapped with a sharp-edged spiral blade, the diameter of the spiral blade is 9 cm, and the tail end of the spiral blade fits tightly with the inner wall of the vacuum flushing and suction articulated joint.

[0037] Preferably, several sections of the vacuum flushing and suction articulated joints are connected by an articulated coupling that can be freely retracted and retracted under force, a rack is provided on the inner bag wall of the vacuum flushing and suction articulated joint, the rack is arranged in the same direction of the several sections of the vacuum flushing and suction articulated joints, a gap is provided inside the tube wall of the vacuum flushing and suction articulated joint for the free movement of the articulated liner tube, both ends of the articulated liner tube are simultaneously connected to adjacent vacuum flushing and suction articulated joints, and a flexible sealing gasket is provided at the connection between the vacuum flushing and suction articulated joint and the articulated liner tube.

[0038] Preferably, the multi-axis slide rail platform includes a main sliding rail arranged horizontally in the center and four auxiliary sliding rails arranged horizontally at the edges, which are the first auxiliary sliding rail, the second auxiliary sliding rail, the third auxiliary sliding rail and the fourth auxiliary sliding rail; a fixed guide connection mechanism is arranged at the tail of the multi-axis slide rail platform, and freely slidable sliding mechanisms are arranged on the main sliding rail and the four auxiliary sliding rails; the vacuum suction articulated pipe joint moves outward along the guide connection mechanism connected to the pipe joint contraction box; a number of guide gears are arranged inside the sliding mechanism to provide support and power for the vacuum suction articulated pipe joint, and the external position and length of the vacuum suction articulated pipe joint are jointly controlled by the sliding mechanism and the guide gears.

[0039] Preferably, the vacuum waste storage box is connected to the pipe segment shrinkage box via a first connecting pipe, a vacuum controller is provided on the top of the vacuum waste storage box, and a discharge hopper is provided on the side of the vacuum waste storage box;

[0040] The pressure water storage tank is connected to the vacuum waste storage tank through a second connecting pipe, a pressure device is arranged inside the pressure water storage tank, and a water injection port is arranged on the side of the pressure water storage tank;

[0041] The bio-capsule storage box is connected to the pressure water storage tank via a third connecting pipe, a box cover is provided on the top of the bio-capsule storage box, and bio-capsules are stored inside the bio-capsule storage box;

[0042] The tube segment shrinkage box, the vacuum waste storage box, the pressure water storage tank and the bio-capsule storage box are all fixed to the main body frame through fixed support blocks;

[0043] The moving mechanism is fixedly connected to the lower part of the main body frame, and a control power supply and a counterweight box are arranged inside the moving mechanism.

[0044] Therefore, the present invention adopts the above-mentioned method for repeated weeding and planting of vegetation concrete and the weeding tool, and its beneficial effects are:

[0045] 1. Scan the slope to be assessed using a color imaging drone, conduct a systematic analysis based on the scanned images, and quantitatively assess the plant growth status based on a self-designed plant growth assessment formula.

[0046] 2. When weeding, the vacuum flushing and suction circulation soil breaking probe is continuously moved by the freely movable moving mechanism and sliding mechanism, which ensures the efficiency and continuity of weeding and realizes the comprehensive coverage and continuous weeding of the slope to be treated.

[0047] 3. The present invention provides a special flushing and suction circulation device, which can effectively remove the surface waste soil and plants without destroying the brick structure of the vegetation concrete, and flush out the waste matrix inside the pores of the vegetation concrete.

[0048] 4. The two types of biological capsules provided by the present invention include the degradation capsules which attach to the intricate rhizomes inside the pores of the vegetation concrete through the internal biodegradation bacteria agent for degradation; the polymerization capsules which gather the degraded rhizome debris through the internal biopolymerization agent and attach them to the top and surface of the vegetation concrete, thereby accelerating its degradation process in an open environment.

[0049] 5. During the grass planting process, the special ecological fiber blanket can not only ensure the moisture of the nutrient soil and prevent erosion, eliminating the maintenance work during the grass planting process, but also effectively utilize the polymerization products remaining on the surface of the vegetation concrete during the weeding process, so that the ecological fiber blanket can accelerate the natural degradation during the plant growth process, providing protection and support for the early stage of plant growth.

[0050] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is an overall schematic diagram of the weeding tool device of the present invention;

[0052] Figure 2 For the present invention Figure 1 Schematic diagram of the interior of the vacuum flushing and suction cycle earth-breaking probe at A in the middle;

[0053] Figure 3 This is a schematic diagram of a multi-axis slide rail stand of the present invention;

[0054] Figure 4 It is a schematic diagram of the vacuum flushing and suction hinged pipe joint of the present invention;

[0055] Figure 5 It is a schematic diagram of the interior of the sliding mechanism of the present invention;

[0056] Figure 6 A schematic diagram of a vacuum waste storage box of the present invention;

[0057] Figure 7 It is a schematic diagram of a pressure water storage tank of the present invention;

[0058] Figure 8 A schematic diagram of a biocapsule storage box of the present invention;

[0059] Reference numerals:

[0060] 1. Vacuum flushing and suction circulation earth-breaking probe; 2. Vacuum generator; 3. Vacuum flushing and suction articulated pipe joint; 4. Sliding mechanism; 5. Multi-axis slide rail stand; 6. Guide connection mechanism; 7. Pipe joint contraction box; 8. Biocapsule storage box; 9. Vacuum controller; 10. Vacuum waste storage box; 11. Pressure water storage tank; 12. Moving mechanism; 13. Spiral blade; 14. High-pressure flushing pipe; 15. Main sliding track; 16. First auxiliary sliding track; 17. Second auxiliary sliding track; 18. Third auxiliary sliding track; 19. Fourth auxiliary sliding track; 20. Articulated coupling; 21. Rack; 22. Articulated lining pipe; 23. Guide gear; 24. Main body stand; 25. Fixed support block; 26. First connecting pipe; 27. Second connecting pipe; 28. Discharge hopper; 29. ​​Third connecting pipe; 30. Water injection port; 31. Box cover. DETAILED DESCRIPTION

[0061] The technical solution of the present invention is further described below through the accompanying drawings and embodiments.

[0062] Unless otherwise defined, technical or scientific terms used in the present invention shall have the common meanings understood by one having ordinary skills in the field to which the present invention belongs.

[0063] In addition, it should be understood that although this specification is described according to the implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art. These other implementation modes are also covered within the protection scope of the present invention.

[0064] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0065] The present invention provides a method for repeated weeding and weeding of vegetative concrete, comprising the following steps:

[0066] S1: Assessment of slope plant growth status;

[0067] S2: weeding the vegetation concrete slopes that fail to meet the growth condition assessment in step S1;

[0068] S3: Repeated grass planting work on the cleaned vegetated concrete slope;

[0069] S4: After the repeatedly planted concrete slope has been maintained for 28 days, the growth status of the repeatedly planted grass on the slope is evaluated;

[0070] S5: Replant grass on the slope sections with weaker growth.

[0071] In step S1, a drone equipped with a high-resolution color imaging camera is used to scan the slope to be assessed. The high-resolution color imaging camera uses 16 million pixels. After the drone scans the slope, the high-definition image obtained is processed.

[0072] High-definition images have significant color features. Color space conversion and color range screening are used to segment specific color areas. The color areas can be roughly divided into the following three categories: black or brown, green and yellow. Black or brown represents slope soil, green represents surviving herbaceous plants, and yellow represents dead herbaceous plants. The three types of color areas are calculated and processed to evaluate the plant growth status:

[0073]

[0074] Where: M1 is the coverage of surviving plants;

[0075] S1 is the green area, representing the area of ​​surviving herbaceous plants;

[0076] S is the scanned slope area;

[0077]

[0078] Where: M2 is the plant survival rate;

[0079] is the green area, representing the area of ​​surviving herbaceous plants;

[0080] S2 is the yellow area, representing the area of ​​dead herbaceous plants;

[0081] Evaluate the growth status of slope plants according to the following table:

[0082]

[0083] If M1 fails to meet the standard, it means that the coverage rate of surviving plants on the slope is low, and if M2 fails to meet the standard, it means that the survival rate of plants on the slope is low. If any of the evaluation indicators M1 and M2 fails to meet the standard, it means that the growth condition of plants on the slope is poor, and subsequent weeding and grass planting work is required on the slope.

[0084] The grass planting work in step S3 includes the following steps:

[0085] First, a pre-mixed nutrient matrix is ​​poured into the vegetation concrete layer by grouting and cured for 3-6 hours; then a pre-implanted nutrient matrix with a density of 500-3000g / m 2The ecological fiber blanket of grass seeds is directly covered on the surface of the vegetation concrete layer. The ecological fiber blanket is provided with a 2-5cm nutrient soil layer, a grass seed layer and a 0.5-2cm nutrient soil layer; the surface of the ecological fiber blanket is sprayed with special biological capsules. There are two types of biological capsules, including a degradation capsule containing a biodegradable bacterial agent and a polymerization capsule containing a biopolymerizing agent. The capsule walls of the two biological capsules are made of materials that dissolve quickly in water. The mixing ratio of the degradation capsule and the polymerization capsule is 8:2. The biodegradable bacterial agent and the biopolymerizing agent are volatile in an open environment, easily soluble in water and slowly evaporate over time. After the work is completed, the capsule walls of the degradation capsule and the polymerization capsule are dissolved, and the substances inside are mixed to form a special polymerization product. The polymerization product is attached to the surface of the vegetation concrete and can promote the natural degradation of the ecological fiber blanket. The part of the ecological fiber blanket that is not completely degraded will slowly degrade as the plant grows. Both the biodegradable bacterial agent and the biopolymerizing agent are existing agents.

[0086] Step S4 uses the growth status evaluation index M1 in step S1 to evaluate the growth status of repeated grass planting, and the evaluation time is respectively on the 7th day, the 14th day, the 21st day and the 28th day;

[0087] Evaluate the growth of repeated grass plantings according to the following table:

[0088]

[0089]

[0090] During the observation stage, if the evaluation results on the 7th and 14th days do not meet the standards but there is germination, step S5 is not required; if the standards are not met on the 7th and 14th days and there is no germination or if the evaluation results on the 21st and 28th days do not meet the standards, step S5 is required; step S5 adopts traditional replanting technology.

[0091] Step S2 uses a weeding tool for repeated weeding and planting of weeds in planted concrete to carry out weeding work. A weeding tool for repeated weeding and planting of weeds in planted concrete is a semi-automatic integrated weeding tool. The specific connection methods of each part in the weeding tool adopt conventional means such as mature bolts, rivets, and welding in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0092] A weeding tool structure for repeated weeding and weeding in planted concrete as shown in the instruction manual Figure 1-8As shown, it includes a freely rotatable vacuum flushing and suction circulation earth-breaking probe 1, a vacuum generator 2, a vacuum flushing and suction articulated pipe section 3, a pipe section retraction box 7, a guide connection mechanism 6, a sliding mechanism 4, a multi-axis slide rail platform 5 and a main body platform 24. The vacuum flushing and suction circulation earth-breaking probe 1 is provided with a vacuum generator 2, the top of the vacuum flushing and suction circulation earth-breaking probe 1 is connected with the multi-section vacuum flushing and suction articulated pipe section 3, the multi-section vacuum flushing and suction articulated pipe section 3 moves outward from the pipe section retraction box 7, and is connected with the guide connection mechanism 6 and the sliding mechanism 4 in turn; the guide connection mechanism 6 and the sliding mechanism 4 are arranged on the multi-axis slide rail platform 5, the multi-axis slide rail platform 5 is connected with the main body platform 24, the main body platform 24 is provided with a vacuum waste storage box 10, a pressure water storage tank 11 and a biological capsule storage box 8, and a walkable moving mechanism 12 is arranged under the main body platform 24.

[0093] The vacuum flushing and suction circulating earth-breaking probe 1 adopts a freely rotatable wavy serrated probe. The outer diameter of the vacuum flushing and suction circulating earth-breaking probe 1 is 10 cm and the inner diameter is 9 cm. The outer diameter of the vacuum flushing and suction circulating earth-breaking probe 1 is 10 cm and the inner diameter is 9 cm. The vacuum flushing and suction circulating earth-breaking probe 1 and the vacuum flushing and suction articulated joint 3 are internally provided with a high-pressure flushing pipe 14. The outer side of the high-pressure flushing pipe 14 is wrapped with a sharp-edged spiral blade 13. The diameter of the spiral blade 13 is 9 cm, and the tail end of the spiral blade 13 fits tightly with the inner wall of the vacuum flushing and suction articulated joint 3.

[0094] Several sections of vacuum flushing and suction articulated joints 3 are connected by an articulated coupling 20 that can be freely retracted and retracted under force. A rack 21 is arranged on the inner bag wall of the vacuum flushing and suction articulated joint 3. The rack 21 is arranged in the same direction of several vacuum flushing and suction articulated joints 3. A gap is arranged inside the tube wall of the vacuum flushing and suction articulated joint 3 for the articulated inner liner tube 22 to move freely. Both ends of the articulated inner liner tube 22 are connected to adjacent vacuum flushing and suction articulated joints 3 at the same time. A flexible sealing gasket is arranged at the connection between the vacuum flushing and suction articulated joint 3 and the articulated inner liner tube 22.

[0095] The multi-axis slide rail platform 5 includes a main slide rail 15 arranged horizontally in the center and four auxiliary slide rails arranged horizontally at the edges, which are respectively a first auxiliary slide rail 16, a second auxiliary slide rail 17, a third auxiliary slide rail 18 and a fourth auxiliary slide rail 19; a fixed guide connection mechanism 6 is arranged at the tail of the multi-axis slide rail platform 5, and a freely slidable sliding mechanism 4 is arranged on the main slide rail 15 and the four auxiliary slide rails; the vacuum flushing and suction articulated pipe joint 3 moves outward along the guide connection mechanism 6 connected to the pipe joint contraction box 7; a plurality of guide gears 23 are arranged inside the sliding mechanism 4 to provide support and power for the vacuum flushing and suction articulated pipe joint 3, and the external position and length of the vacuum flushing and suction articulated pipe joint 3 are jointly controlled by the sliding mechanism 4 and the guide gears 23.

[0096] The vacuum waste storage box 10 is connected to the pipe segment shrinkage box 7 via a first connecting pipe 26. A vacuum controller 9 is provided on the top of the vacuum waste storage box 10, and a discharge hopper 28 is provided on the side of the vacuum waste storage box 10.

[0097] The pressure water storage tank 11 is connected to the vacuum waste storage tank 10 via a second connecting pipe 27. A pressure device is provided inside the pressure water storage tank 11, and a water injection port 30 is provided on the side of the pressure water storage tank 11.

[0098] The biocapsule storage box 8 is connected to the pressure water storage tank 11 through a third connecting pipe 29. A box cover 31 is provided on the top of the biocapsule storage box 8.

[0099] The pipe segment shrinkage box 7, the vacuum waste storage box 10, the pressure water storage box 11 and the biological capsule storage box 8 are all fixed on the main body frame 24 through the fixed support block 25;

[0100] The moving mechanism 12 is fixedly connected to the bottom of the main body frame 24. A control power supply and a counterweight box are arranged inside the moving mechanism 12. The weight of the counterweight box is 100-1000kg.

[0101] Working principle: Before the weeding tool for repeated weeding and weeding in a planted concrete works, all equipment is disconnected from the power supply and put into shutdown state. Then the waste previously remaining in the vacuum waste storage box 10 is discharged through the discharge hopper 28. After the waste is discharged, the valve of the discharge hopper 28 is tightly closed to a sealed state to ensure the air tightness of the vacuum waste storage box 10; secondly, pure water is filled into the pressure water storage tank 11 through the one-way water injection port 30. After the pure water is injected, the water injection valve of the one-way water injection port 30 can be directly released; finally, the bio-capsule storage box 8 is filled with degradation capsules and polymerization capsules in a ratio of 8:2 through the box cover 31, and the two capsules are mixed to a uniform state.

[0102] When a weeding tool for repeatedly weeding and planting grass in a planted concrete is working, the weeding tool is stopped at a designated initial position by the moving mechanism 12, and then the vacuum flushing and suction cycle soil breaking probe 1 is adjusted to move longitudinally and transversely to the top of the slope by controlling the sliding mechanism 4 and the guide gear 23. Then, the power supply is started, and first a certain amount of biocapsules enter the pressure water storage tank 11 from the biocapsule storage box 8 through the connecting pipe 29, and the capsule wall of the biocapsule is rapidly dissolved after meeting water, and then the biodegradable bacteria agent and the biopolymerizing agent are uniformly dissolved in the water.

[0103] Secondly, when the vacuum flushing and suction circulating soil-breaking probe 1 of a weeding tool for repeated weeding of planted concrete is working, the wavy serrated probe rotates to break the soil, and the vacuum generator 2 works continuously to ensure that the inside of the vacuum flushing and suction circulating soil-breaking probe 1 is in a local vacuum environment and continuously excavates and absorbs soil; the sharp spiral blade 13 inside the vacuum flushing and suction circulating soil-breaking probe 1 rotates at a high speed to crush some larger pieces of soil and plant stems and leaves with good toughness, and at the same time plays a role in assisting material transportation; when the internal high-pressure flushing pipe 14 touches the hard planted concrete layer, the high-pressure flushing pipe 14 will perform high-pressure flushing towards the inside of the planted concrete layer to ensure that the waste matrix inside the gap is cleaned and the biodegradable bacteria and biopolymer bacteria are attached to the plant roots and stems inside the gap; the vacuum flushing and suction circulating soil-breaking probe 1 moves laterally along the slope with the moving mechanism 12 to remove soil, and performs the shoveling work according to the rule of removing soil and weeds layer by layer from the top of the slope to the foot of the slope.

[0104] Then, when the vacuum waste storage box 10 of a weeding tool for repeated weeding of planted concrete is full, it is necessary to turn off its top vacuum controller 9, and then open the discharge hopper 28 to clean the material. After the cleaning is completed, the valve of the discharge hopper 28 needs to be closed to a sealed state before continuing to work; when the pressure water storage tank 11 of the weeding tool is used up, water can be directly injected into the pressure water storage tank 11 through the single water injection port 30 during the working process. When the water injection valve of the single water injection port 30 is started, a certain amount of bio-capsules will also enter the pressure water storage tank 11 from the bio-capsule storage box 8 along the connecting pipe 29.

[0105] Finally, after the removal of the weeding tools is completed, it is necessary to wait for 3-5 days for the biodegradable bacteria and biopolymerization agents to fully react before the subsequent grass planting work can be carried out.

[0106] Therefore, the present invention discloses a method for repeated weeding and weeding of vegetated concrete and a weeding tool. By using this method and the tool, a quantitative evaluation of the growth status of plants on the vegetated concrete slope can be achieved, solving the problems of damaging the vegetated concrete structure and poor removal effect and low efficiency during weeding. At the same time, a new type of ecological fiber blanket is provided to replace the tedious weeding work.

[0107] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A method for repeated weeding and planting of vegetation in concrete, characterized in that: The following steps are involved: S1: Assessment of slope plant growth status; S2: weeding the vegetation concrete slopes that fail to meet the growth condition assessment in step S1; S3: Repeated grass planting work on the cleaned vegetated concrete slope; S4: During the 28 days of curing and growing of the vegetated concrete slope to be re-vegetated, the growth status of the re-vegetated grass plants on the slope shall be evaluated several times; S5: Replant grass on the slope sections with weaker growth.

2. The method for repeated weeding and planting of vegetation in concrete according to claim 1, characterized in that: The plant growth status assessment in step S1 includes the following steps: A1. Use a drone equipped with a high-resolution color imaging camera to scan and photograph the slope to be assessed. The high-resolution color imaging camera uses 16 million pixels. A2. After the drone scans the slope, the high-definition image is processed; the high-definition image has significant color characteristics, and specific color areas are segmented by color space conversion and color range screening. The color areas are divided into the following three categories: black or brown, green and yellow. The black or brown represents slope soil, the green represents surviving herbaceous plants, and the yellow represents dead herbaceous plants; A3. Calculate and process the three color regions to evaluate the plant growth status evaluation indicators M1 and M2: Where: M1 is the coverage of surviving plants; S1 is the green area, representing the area of ​​surviving herbaceous plants; S is the scanned slope area; Where: M2 is the plant survival rate; S1 is the green area, representing the area of ​​surviving herbaceous plants; S2 is the yellow area, representing the area of ​​dead herbaceous plants; A4. According to the above calculation results, the plant growth condition assessment index M1 reaches 60% and meets the standard when the plant growth condition assessment index M2 reaches 70%. When either the plant growth condition assessment index M1 or the plant growth condition assessment index M2 fails to meet the standard, it indicates that the plant growth condition of the slope is poor and step S2 needs to be performed on the slope.

3. The method for repeated weeding and planting of vegetation in concrete according to claim 1, characterized in that: The grass planting work in step S3 includes the following steps: First, a pre-mixed nutrient matrix is ​​poured into the vegetation concrete layer by grouting and cured for 3-6 hours; then a pre-implanted nutrient matrix with a density of 500-3000g / m 2 The ecological fiber blanket of grass seeds is directly covered on the surface of the vegetation concrete layer, and a 2-5 cm nutrient soil layer, a grass seed layer and a 0.5-2 cm nutrient soil layer are arranged on the ecological fiber blanket; the surface of the ecological fiber blanket is sprayed with special biological capsules.

4. The method for repeated weeding and planting of vegetation in concrete according to claim 3, characterized in that: The biological capsules include two types, including a degradable capsule and a polymer capsule. The capsule walls of the two biological capsules are rapidly soluble in water. The mixing ratio of the degradable capsule and the polymer capsule is 8:

2.

5. The method for repeated weeding and planting of vegetation concrete according to claim 1, characterized in that: The step S4 uses the growth status evaluation index M1 in step S1 to evaluate the growth status of repeated grass planting, and the evaluation time is respectively the 7th day, the 14th day, the 21st day and the 28th day; the reaching standards of the growth status evaluation index M1 on the 7th day, the 14th day, the 21st day and the 28th day are 3%, 10%, 20% and 35% respectively; If the growth condition evaluation index M1 does not meet the standard in the evaluation on the 7th and 14th days, but there is germination, step S5 is not required; if the growth condition evaluation index M1 does not meet the standard and there is no germination in the evaluation on the 7th and 14th days, or if the evaluation on the 21st and 28th days does not meet the standard, step S5 needs to be performed; The step S5 adopts the traditional replanting technology.

6. A weeding tool for repeated weeding of planted concrete, characterized in that: A weeding tool for repeated weeding and planting of planted concrete is used for the weeding work in step S2 of a method for repeated weeding and planting of planted concrete according to claim 1, wherein the weeding tool is a semi-automatic weeding tool, including a vacuum flushing and suction cycle soil breaking probe, a vacuum generator, a vacuum flushing and suction articulated pipe joint, a sliding mechanism, a multi-axis slide rail stand, a guide connection mechanism, a pipe joint retraction box, a bio-capsule storage box, a vacuum waste storage box, a pressure water storage tank, and a main body stand; The vacuum generator is arranged on the vacuum flushing and suction circulation earth-breaking probe, the top of the vacuum flushing and suction circulation earth-breaking probe is connected with a plurality of vacuum flushing and suction articulated pipe joints, the vacuum flushing and suction articulated pipe joints are retracted in the pipe joint retraction box, and the guide connection mechanism and the sliding mechanism are sequentially arranged on the vacuum flushing and suction articulated pipe; the guide connection mechanism and the sliding mechanism are arranged on a multi-axis slide rail frame, the multi-axis slide rail frame is connected to the main body frame, the vacuum waste storage box, the pressure water storage tank and the biological capsule storage box are arranged on the main body frame, and a walkable moving mechanism is arranged under the main body frame.

7. A weeding tool for repeated weeding and planting in planted concrete according to claim 6, characterized in that: The vacuum flushing and suction circulation earth-breaking probe adopts a freely rotatable wavy serrated probe, the outer diameter of the vacuum flushing and suction circulation earth-breaking probe is 10 cm and the inner diameter is 9 cm, the outer diameter of the vacuum flushing and suction articulated joint is 10 cm and the inner diameter is 9 cm, and a high-pressure flushing pipe is arranged inside the vacuum flushing and suction circulation earth-breaking probe and the vacuum flushing and suction articulated joint. The outer side of the high-pressure flushing pipe is wrapped with a sharp-edged spiral blade, the diameter of the spiral blade is 9 cm, and the tail end of the spiral blade fits tightly with the inner wall of the vacuum flushing and suction articulated joint.

8. The weeding tool for repeated weeding and planting of planted concrete according to claim 6, characterized in that: Several sections of the vacuum flushing and suction articulated joints are connected by an articulated coupling that can be freely retracted and retracted under force. A rack is provided on the inner bag wall of the vacuum flushing and suction articulated joint. The rack is arranged in the same direction of the several sections of the vacuum flushing and suction articulated joints. A gap is provided inside the tube wall of the vacuum flushing and suction articulated joint for the free movement of the articulated liner tube. Both ends of the articulated liner tube are simultaneously connected to adjacent vacuum flushing and suction articulated joints. A flexible sealing gasket is provided at the connection between the vacuum flushing and suction articulated joint and the articulated liner tube.

9. A weeding tool for repeated weeding and planting in planted concrete according to claim 6, characterized in that: The multi-axis slide rail platform includes a main sliding rail arranged horizontally in the center and four auxiliary sliding rails arranged horizontally at the edges, which are the first auxiliary sliding rail, the second auxiliary sliding rail, the third auxiliary sliding rail and the fourth auxiliary sliding rail; a fixed guide connection mechanism is arranged at the tail of the multi-axis slide rail platform, and freely slidable sliding mechanisms are arranged on the main sliding rail and the four auxiliary sliding rails; the vacuum flushing and suction articulated pipe joint moves outward along the guide connection mechanism connected to the pipe joint contraction box; a plurality of guide gears are arranged inside the sliding mechanism to provide support and power for the vacuum flushing and suction articulated pipe joint, and the external position and length of the vacuum flushing and suction articulated pipe joint are jointly controlled by the sliding mechanism and the guide gears.

10. A weeding tool for repeated weeding and planting in planted concrete according to claim 6, characterized in that: The vacuum waste storage box is connected to the pipe segment shrinkage box through a first connecting pipe, a vacuum controller is arranged on the top of the vacuum waste storage box, and a discharge hopper is arranged on the side of the vacuum waste storage box; The pressure water storage tank is connected to the vacuum waste storage tank through a second connecting pipe, a pressure device is arranged inside the pressure water storage tank, and a water injection port is arranged on the side of the pressure water storage tank; The bio-capsule storage box is connected to the pressure water storage tank via a third connecting pipe, a box cover is provided on the top of the bio-capsule storage box, and bio-capsules are stored inside the bio-capsule storage box; The tube segment shrinkage box, the vacuum waste storage box, the pressure water storage tank and the bio-capsule storage box are all fixed to the main body frame through fixed support blocks; The moving mechanism is fixedly connected to the lower part of the main body frame, and a control power supply and a counterweight box are arranged inside the moving mechanism.

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