Vegetation complementary planting device for sand area restoration

Abstract

The invention relates to the technical field of sand area restoration, in particular to a vegetation complementary planting device for sand area restoration, which comprises a ditcher, the rear side of the ditcher is fixedly connected with ditching equipment, the rear side of the ditching equipment is provided with nutrient solution spraying equipment, and the ditching equipment comprises a control frame. According to the device, the ditching equipment and the nutrient solution spraying equipment are arranged, so that the device has a flexible ditching distance adjusting function, the spraying direction of a nutrient solution can be adjusted according to the actual ditching requirement, the efficiency and effect of sand area repairing work are greatly improved, and through the refined operation design, the device is convenient to use and high in practicability. The precision of ditching operation and the uniformity of nutrient solution spraying are ensured, a powerful guarantee is provided for rapid growth and survival of vegetation in the sand area, and specifically, before the sand area is repaired and sown, an operator needs to control the ditching machine to conduct ditching operation in the sand area to be repaired, and when the ditching distance is adjusted, a two-way hydraulic push rod is started.

Description

Technical Field

[0001] The present invention relates to the technical field of desert restoration, and more specifically, the present invention relates to a vegetation replanting device for desert restoration. Background Art

[0002] Desert restoration refers to the process of ecological restoration of areas where vegetation has decreased or disappeared due to environmental factors such as wind erosion and soil degradation. By adopting specific vegetation replanting techniques and devices, it aims to improve the soil stability in the desert area, prevent wind and sand invasion, and gradually restore the ecological environment in the desert area. Desert restoration not only helps to improve the local natural landscape but also enhances biodiversity, providing a suitable living environment for animals and plants, and is of great significance for maintaining ecological balance and sustainable development.

[0003] According to the patent document: CN117859444A, a vegetation replanting device for the restoration of degraded grasslands in arid desert areas disclosed therein includes a base and a mixing barrel. A mixing mechanism is arranged inside the mixing barrel. The mixing mechanism includes a first motor arranged inside the mixing barrel. The mixing barrel is fixedly connected to the first motor. A circular groove is opened inside the first motor. A slider is slidably connected inside the circular groove. A threaded rod is arranged at the output end of the first motor. The slider is fixedly connected to the threaded rod. A threaded cylinder is threadedly connected to the outside of the threaded rod. A stirring fan is fixedly connected to the side of the threaded rod away from the first motor. A frame plate is fixedly connected to the outside of the base. In the present invention, the planting soil and nutrient solution can be quickly and evenly mixed and transported to the ground to complete the repair of the soil structure of the degraded grasslands in arid desert areas. The nutrient soil and the soil of the degraded grasslands in arid desert areas can be quickly mixed, and the vegetation replanting and restoration efficiency of the device is high.

[0004] When carrying out desert restoration, a replanting device is usually used to replant plants to complete the restoration work of the degraded grasslands. Before sowing, it is usually necessary to dig trenches in the desert area to facilitate subsequent soil filling and vegetation planting. The traditional trench-digging method is inefficient and difficult to ensure the uniformity and depth of the trenches, thus affecting the growth effect of the vegetation. And if it is necessary to adjust the density of the trenches for trenching according to the density of the sown seeds, the traditional replanting device may need to replace the equipment or disassemble and rearrange the originally installed equipment. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a vegetation replanting device for desert restoration. The technical problem to be solved by the present invention is that the traditional trench-digging method is inefficient and difficult to ensure the uniformity and depth of the trenches, thus affecting the growth effect of the vegetation. And if it is necessary to adjust the density of the trenches for trenching according to the density of the sown seeds, the traditional replanting device may need to replace the equipment or disassemble and rearrange the originally installed equipment.

[0006] To solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0007] A vegetation replanting device for desert area restoration, comprising a trencher, a trenching device is fixedly connected to the rear side of the trencher, and a nutrient solution spraying device is arranged at the rear side of the trenching device;

[0008] The trenching device includes a control frame, and an adjustment assembly is movably connected to the bottom of the control frame;

[0009] The control frame includes a frame plate, placing plates are fixedly connected to both sides of the middle part of the top of the frame plate, Z-shaped connecting rods are fixedly connected to both sides of the middle part of the front side of the frame plate, the front sides of the two Z-shaped connecting rods are fixedly connected to the middle part of the rear side of the trencher, and sliding grooves are formed in the left and right sides of the rear side of the frame plate;

[0010] The nutrient solution spraying device includes a nutrient solution storage tank, pipes are respectively fixedly connected to the left and right sides of the bottom of the nutrient solution storage tank, and a nozzle connecting frame is fixedly connected to one end of each of the two pipes away from the nutrient solution storage tank.

[0011] As a further solution of the present invention: a two-way hydraulic push rod is fixedly connected to the middle part of the top of the two placing plates, expansion and contraction blocks are respectively fixedly connected to the left and right ends of the two-way hydraulic push rod, and the bottoms of the two expansion and contraction blocks are respectively slidably connected to the left and right sides of the top of the frame plate.

[0012] As a further solution of the present invention: rotating rods are respectively rotatably connected to the front and rear sides of the two expansion and contraction blocks, one side of each group of rotating rods close to the expansion and contraction block is rotatably connected to the left and right sides of the front and rear sides of the frame plate, and the bottoms of the two groups of rotating rods are rotatably connected to a second rotating rod.

[0013] As a further solution of the present invention: the adjustment assembly includes a top plate, the left and right sides of the top of the top plate are respectively rotatably connected to the bottoms of the left and right groups of second rotating rods, vertical rods are fixedly connected to the left and right sides of the rear side of the top plate, and the outer walls of the two vertical rods are respectively slidably connected to the inner walls of the two sliding grooves.

[0014] As a further solution of the present invention: two inverted U-shaped connecting frames are fixedly connected to the left and right sides of the bottom of the top plate, columnar cross-bar connecting blocks are fixedly connected to the bottoms of the left and right groups of inverted U-shaped connecting frames, columnar cross-bars are fixedly connected to the inner walls of the left and right groups of columnar cross-bar connecting blocks, a plurality of columnar cross-bar card slots are formed in the outer walls of the two columnar cross-bars, the inner ends of the two columnar cross-bars extend to the inner sides of the inner two columnar cross-bar connecting blocks and are respectively fixedly connected to second trenching wheels.

[0015] As a further solution of the present invention: The outer walls of both of the columnar cross bars are slidably connected with expansion and contraction cross pipes. The inner walls of both of the expansion and contraction cross pipes are provided with a plurality of clamping rods that fit into the card slots of the columnar cross bars. The outer ends of both of the expansion and contraction cross pipes respectively extend to the outside of the connecting blocks of the two outer columnar cross bars and are both fixedly connected with ditch opening wheels. On one side of the inner sides of the two groups of inverted U-shaped connecting frames on the outer walls of both of the expansion and contraction cross pipes, there are fixedly connected with connecting discs. In the middle of the bottom of the top plate, there is fixedly connected with a chute cross plate. In the middle of the bottom of the chute cross plate, there is fixedly connected with a motor placement bin. The inner wall of the motor placement bin is fixedly connected with a motor. The output end of the motor extends to the inner wall of the chute cross plate and is fixedly connected with a gear.

[0016] As a further solution of the present invention: On the front and rear sides of the inner wall of the chute cross plate, there are slidably connected with rack bars. The inner sides of the two rack bars are meshed with the two sides of the outer wall of the gear. The mutually remote sides of the two rack bars both extend to the two sides of the outer wall of the chute cross plate and are both fixedly connected with collar connecting rods. At the bottoms of the two collar connecting rods, there are both fixedly connected with collars. The inner walls of the two collars are sleeved on the outer wall of the connecting disc.

[0017] As a further solution of the present invention: The front side of the nutrient solution storage box is fixedly connected to the rear sides of the two vertical rods.

[0018] As a further solution of the present invention: Both of the nozzle connecting frames include main connecting blocks. The inner sides of the two main connecting blocks are respectively fixedly connected to the left and right sides of the frame plate. On the front and rear sides of the two main connecting blocks, there are fixedly connected with L-shaped connecting rods. On the tops of the two main connecting blocks, there are slidably connected with push and pull rods. The inner sides of the two push and pull rods are respectively fixedly connected to the outer sides of the two expansion and contraction blocks.

[0019] As a further solution of the present invention: On the outer sides of the two push and pull rods, there are rotatably connected with push and pull cross bars. On the front and rear sides of the sides of the two push and pull cross bars remote from the push and pull rods, there are fixedly connected with V-shaped rotating rods. In the middle of the sides of the two groups of V-shaped rotating rods close to the main connecting blocks, there are fixedly connected with V-shaped rotating rod connecting rods. On the sides of the two groups of V-shaped rotating rod connecting rods remote from the V-shaped rotating rods, there are rotatably connected with two-way hinge blocks. On the outer walls of the sides of the two groups of L-shaped connecting rods remote from the main connecting blocks, there are rotatably connected with the sides of the two groups of two-way hinge blocks remote from the V-shaped rotating rod connecting rods. At the bottoms of the sides of the two groups of V-shaped rotating rods close to the main connecting blocks, there are rotatably connected with nozzle connecting plates. On the sides of the two nozzle connecting plates remote from the main connecting blocks, there are fixedly connected with nozzles. The tops of the two nozzles are respectively fixedly connected to the ends of the two pipes remote from the nutrient solution storage box.

[0020] The beneficial effects of the present invention are as follows:

[0021] 1. The present invention is provided with a ditching device and a nutrient solution spraying device, which has a flexible function for adjusting the ditching spacing and can also adjust the spraying direction of the nutrient solution according to the actual requirements of ditching, greatly improving the efficiency and effect of the sand area restoration work. Through refined operation design, the accuracy of ditching operation and the uniformity of nutrient solution spraying are ensured, providing a strong guarantee for the rapid growth and survival of vegetation in the sand area. Specifically, before sowing in the sand area restoration, the operator needs to control the ditching machine to the sand area to be restored for ditching operation. When adjusting the ditching spacing, the bidirectional hydraulic push rod is started, and the telescopic movement of the piston rod drives the expansion and contraction block to move. The rotating rod drives the top plate and the adjustment assembly to rise, avoiding friction with the sand surface and affecting the accuracy. After the motor is started, the gear rotates to drive the rack bar to move in the reverse direction, thereby adjusting the spacing of the ditching wheels. At the same time, the movement of the expansion and contraction block causes the push-pull rod to slide, and the push-pull cross bar drives the nozzle connecting plate to tilt, adjusting the spraying direction of the nozzle to adapt to different ditching requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a perspective view of the main body structure of the present invention;

[0023] Figure 2 is a perspective view of the ditching device and the nutrient solution spraying device of the present invention;

[0024] Figure 3 is a perspective separated view of the ditching device and the nutrient solution spraying device of the present invention;

[0025] Figure 4 is a perspective view of the ditching device of the present invention;

[0026] Figure 5 is a perspective separated view of the ditching device of the present invention;

[0027] Figure 6 is a perspective view of the control frame of the present invention;

[0028] Figure 7 is a perspective separated view of the adjustment assembly of the present invention;

[0029] Figure 8 is an enlarged view of part A of the present invention;

[0030] Figure 9 is a perspective view of the nutrient solution spraying device of the present invention;

[0031] Figure 10 is a perspective separated view of the nutrient solution spraying device of the present invention.

[0032] In the figure: 1. Ditcher; 2. Ditching equipment; 21. Control frame; 211. Frame plate; 212. Z-shaped connecting rod; 213. Placing plate; 214. Double-acting hydraulic push rod; 215. Expanding and contracting block; 216. Chute; 217. Rotating rod; 218. Second rotating rod; 22. Adjusting assembly; 221. Top plate; 222. Inverted U-shaped connecting frame; 223. Columnar cross-bar connecting block; 224. Vertical rod; 225. Expanding and contracting cross-tube; 226. Connecting disk; 227. Ditching wheel; 228. Columnar cross-bar; 229. Second ditching wheel; 2210. Columnar cross-bar card slot; 2211. Chute cross-plate; 2212. Motor placement bin; 2213. Rack bar; 2214. Collar connecting rod; 2215. Collar; 2216. Motor; 2217. Gear; 3. Nutrient solution spraying equipment; 31. Nutrient solution storage tank; 32. Pipeline; 33. Sprinkler connecting frame; 331. Main connecting block; 332. L-shaped connecting rod; 333. Double-hinged block; 334. V-shaped rotating rod connecting rod; 335. V-shaped rotating rod; 336. Pushing and pulling cross-bar; 337. Push-pull rod; 338. Sprinkler connecting plate; 339. Sprinkler head. Detailed implementation manners

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] As Figure 1-2 shown, the present invention provides a vegetation replanting device for desert area restoration, including a ditcher 1. A ditching equipment 2 is fixedly connected to the rear side of the ditcher 1, and a nutrient solution spraying equipment 3 is arranged at the rear side of the ditching equipment 2.

[0035] As Figures 3-10As shown in the figure, the trenching device 2 includes a control frame 21. The bottom of the control frame 21 is movably connected with an adjustment assembly 22. The control frame 21 includes a frame plate 211. On both sides of the middle of the top of the frame plate 211, placing plates 213 are fixedly connected. On both sides of the middle of the front side of the frame plate 211, Z-shaped connecting rods 212 are fixedly connected. The front sides of the two Z-shaped connecting rods 212 are fixedly connected to the middle of the rear side of the trencher 1. On the left and right sides of the rear side of the frame plate 211, sliding grooves 216 are opened. The nutrient solution spraying device 3 includes a nutrient solution storage tank 31. On the left and right sides of the bottom of the nutrient solution storage tank 31, pipelines 32 are respectively fixedly connected. The ends of the two pipelines 32 far from the nutrient solution storage tank 31 are fixedly connected to a nozzle connecting frame 33. In the middle of the tops of the two placing plates 213, a double-acting hydraulic push rod 214 is fixedly connected. The left and right ends of the double-acting hydraulic push rod 214 are respectively fixedly connected to expansion and contraction blocks 215. The bottoms of the two expansion and contraction blocks 215 are respectively slidably connected to the left and right sides of the top of the frame plate 211. On the front and rear sides of the two expansion and contraction blocks 215, rotating rods 217 are rotatably connected. On the side of the two groups of rotating rods 217 close to the expansion and contraction blocks 215, they are rotatably connected to the left and right sides of the front and rear sides of the frame plate 211. The bottoms of the two groups of rotating rods 217 are rotatably connected to second rotating rods 218. The adjustment assembly 22 includes a top plate 221. The left and right sides of the top of the top plate 221 are respectively rotatably connected to the bottoms of the left and right groups of second rotating rods 218. On the left and right sides of the rear side of the top plate 221, vertical rods 224 are fixedly connected. The outer walls of the two vertical rods 224 are respectively slidably connected to the inner walls of the two sliding grooves 216. On the left and right sides of the bottom of the top plate 221, two inverted U-shaped connecting frames 222 are fixedly connected. At the bottoms of the left and right groups of inverted U-shaped connecting frames 222, columnar cross-bar connecting blocks 223 are fixedly connected. Inside the inner walls of the left and right groups of columnar cross-bar connecting blocks 223, columnar cross-bars 228 are fixedly connected. On the outer walls of the two columnar cross-bars 228, a plurality of columnar cross-bar clamping grooves 2210 are opened. The inner ends of the two columnar cross-bars 228 extend to the inside of the two inner columnar cross-bar connecting blocks 223 and are both fixedly connected with second trenching wheels 229. On the outer walls of the two columnar cross-bars 228, expansion and contraction cross-tubes 225 are slidably connected. Inside the inner walls of the two expansion and contraction cross-tubes 225, a plurality of clamping rods that fit with the columnar cross-bar clamping grooves 2210 are provided. The outer ends of the two expansion and contraction cross-tubes 225 extend to the outside of the two outer columnar cross-bar connecting blocks 223 and are both fixedly connected with trenching wheels 227. On one side of the outer walls of the two expansion and contraction cross-tubes 225 inside the two groups of inverted U-shaped connecting frames 222, connection plates 226 are fixedly connected. In the middle of the bottom of the top plate 221, a sliding groove cross-plate 2211 is fixedly connected. In the middle of the bottom of the sliding groove cross-plate 2211, a motor placement bin 2212 is fixedly connected. Inside the inner wall of the motor placement bin 2212, a motor 2216 is fixedly connected. The output end of the motor 2216 extends to the inner wall of the sliding groove cross-plate 2211 and is fixedly connected with a gear 2217. On the front and rear sides of the inner wall of the sliding groove cross-plate 2211, rack bars 2213 are slidably connected. The inner sides of the two rack bars 2213 are meshed with the outer walls on both sides of the gear 2217.On both sides of the outer wall of the chute cross plate 2211, the sides of the two rack bars 2213 that are away from each other extend, and collar connecting rods 2214 are fixedly connected to both of them. At the bottom of the two collar connecting rods 2214, collars 2215 are fixedly connected. The inner walls of the two collars 2215 are sleeved on the outer wall of the connecting disk 226. The front side of the nutrient solution storage tank 31 is fixedly connected to the rear sides of the two vertical rods 224. The two nozzle connecting frames 33 each include a main connecting block 331. The inner sides of the two main connecting blocks 331 are respectively fixedly connected to the left and right sides of the frame plate 211. L-shaped connecting rods 332 are fixedly connected to the front and rear sides of the two main connecting blocks 331. Push-pull rods 337 are slidably connected to the tops of the two main connecting blocks 331. The inner sides of the two push-pull rods 337 are respectively fixedly connected to the outer sides of the two expansion and contraction blocks 215. Push-pull cross bars 336 are rotatably connected to the outer sides of the two push-pull rods 337. V-shaped rotating rods 335 are fixedly connected to the front and rear sides of the two push-pull cross bars 336 on the side away from the push-pull rods 337. V-shaped rotating rod connecting rods 334 are fixedly connected to the middle of the sides of the two groups of V-shaped rotating rods 335 close to the main connecting block 331. Double-sided hinge blocks 333 are rotatably connected to the sides of the two groups of V-shaped rotating rod connecting rods 334 away from the V-shaped rotating rods 335. The double-sided hinge blocks 333 of the two groups are rotatably connected to the outer walls of the L-shaped connecting rods 332 on the sides away from the main connecting block 331. Nozzle connecting plates 338 are rotatably connected to the bottoms of the sides of the two groups of V-shaped rotating rods 335 close to the main connecting block 331. Nozzles 339 are fixedly connected to the sides of the two nozzle connecting plates 338 away from the main connecting block 331. The tops of the two nozzles 339 are respectively fixedly connected to one ends of the two pipes 32 away from the nutrient solution storage tank 31;

[0036] Before sowing in the sandy area during the restoration of the sandy area, first, the operator needs to control the ditching machine 1 to the sandy area to be restored, and then perform ditching operations on the sandy area through the ditching device 2. When it is necessary to adjust the ditching spacing, first start the two-way hydraulic push rod 214. After the two-way hydraulic push rod 214 is started, its piston rod moves telescopically, driving the expansion and contraction blocks 215 on both the left and right sides to move towards each other on the top of the frame plate 211. As the expansion and contraction blocks 215 move, through the transmission of the rotating rod 217 and the second rotating rod 218, the top plate 221 and the entire adjustment assembly 22 move upward to a certain extent as the second rotating rod 218 rotates, thereby separating the bottom of the entire adjustment assembly 22 from the sandy area to avoid friction with the sand surface and affecting the accuracy of the ditching spacing adjustment. At this time, the motor 2216 is started, and its output end drives the gear 2217 to rotate. Since the gear 2217 meshes with the inner sides of the two rack bars 2213, and the two rack bars 2213 are slidably connected to the front and rear sides of the inner wall of the chute cross plate 2211, therefore, the rotation of the gear 2217 will drive the two rack bars 2213 to move in opposite directions. As the rack bars 2213 move, the collar connecting rod 2214 and the collar 2215 will also move accordingly, and then drive the expansion and contraction cross tube 225 to slide on the outer wall of the columnar cross bar 228 through the connecting plate 226, so that the spacing between the ditching wheels 227 is adjusted to meet the ditching requirements of different widths;

[0037] Meanwhile, when the expansion and contraction blocks 215 on both the left and right sides move towards each other on the top of the frame plate 211, the push-pull rod 337 slides on the outside of the nozzle connecting plate 338 accordingly. Since the push-pull rod 337 is rotatably connected to the push-pull cross bar 336 on the outside, and both the front and rear sides of the side of the push-pull cross bar 336 away from the push-pull rod 337 are fixedly connected with V-shaped rotating rods 335, and the V-shaped rotating rods 335 are rotatably connected to the L-shaped connecting rod 332 through the V-shaped rotating rod connecting rod 334 and the two-way hinge block 333, therefore, as the expansion and contraction blocks 215 move, the V-shaped rotating rods 335 will rotate with the two-way hinge block 333 and the L-shaped connecting rod 332 as the axis to drive the nozzle connecting plate 338 to adjust the tilt angle, and then the spraying direction of the nozzle 339 is adjusted accordingly to meet the ditching requirements of different angles, ensuring that the nutrient solution can be evenly sprayed in the ditched sandy area and improving the effect and survival rate of vegetation replanting.

[0038] Working principle of the present invention: Before sowing in the sandy area during the sandy area restoration, first, the operator needs to control the ditch opener 1 to the sandy area to be restored, and then use the ditch opening device 2 to perform ditch opening operations on the sandy area. When it is necessary to adjust the ditch opening spacing, first start the double-acting hydraulic push rod 214. After the double-acting hydraulic push rod 214 is started, its piston rod performs telescopic movement, driving the expansion and contraction blocks 215 on both the left and right sides to move towards each other on the top of the frame plate 211. As the expansion and contraction blocks 215 move, through the transmission of the rotating rod 217 and the second rotating rod 218, the top plate 221 and the entire adjustment assembly 22 move upward to a certain extent as the second rotating rod 218 rotates, thereby separating the bottom of the entire adjustment assembly 22 from the sandy area to avoid friction with the sand surface and affecting the accuracy of the ditch opening spacing adjustment. At this time, the motor 2216 is started, and its output end drives the gear 2217 to rotate. Since the gear 2217 meshes with the inner sides of the two rack bars 2213, and the two rack bars 2213 are slidably connected to the front and rear sides of the inner wall of the chute cross plate 2211, the rotation of the gear 2217 will drive the two rack bars 2213 to move in opposite directions. As the rack bars 2213 move, the collar connecting rod 2214 and the collar 2215 will also move accordingly, and then drive the expansion and contraction cross tube 225 to slide on the outer wall of the columnar cross bar 228 through the connecting plate 226, so as to adjust the spacing between the ditch opening wheels 227. At the same time, when the expansion and contraction blocks 215 on both the left and right sides move towards each other on the top of the frame plate 211, the push-pull rod 337 slides on the outside of the nozzle connecting plate 338 accordingly. Since the push-pull rod 337 is rotatably connected to the push-pull cross bar 336 on the outside, and the front and rear sides of the side of the push-pull cross bar 336 away from the push-pull rod 337 are fixedly connected with V-shaped rotating rods 335, and the V-shaped rotating rods 335 are rotatably connected to the L-shaped connecting rod 332 through the V-shaped rotating rod connecting rod 334 and the double-hinged block 333, as the expansion and contraction blocks 215 move, the V-shaped rotating rods 335 will rotate with the double-hinged block 333 and the L-shaped connecting rod 332 as the axis to drive the nozzle connecting plate 338 to adjust the tilt angle, and then the spraying direction of the nozzle 339 is adjusted accordingly to adapt to the ditch opening requirements at different angles.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A vegetation replanting device for sandy area restoration, characterized in that: The invention comprises a trenching machine (1), wherein a trenching device (2) is fixedly connected to the rear side of the trenching machine (1), and a nutrient solution spraying device (3) is arranged on the rear side of the trenching device (2); the trenching device (2) comprises a control frame (21), and an adjustment component (22) is movably connected to the bottom of the control frame (21); the control frame (21) comprises a frame plate (211), and a placement plate (213) is fixedly connected to both sides of the middle of the top of the frame plate (211), and both sides of the middle of the front side of the frame plate (211) are fixed A Z-shaped connecting rod (212) is connected, the front sides of the two Z-shaped connecting rods (212) are fixedly connected to the middle of the rear side of the trencher (1), and the left and right sides of the rear side of the frame plate (211) are both provided with slide grooves (216); the nutrient solution spraying equipment (3) comprises a nutrient solution storage tank (31), the left and right sides of the bottom of the nutrient solution storage tank (31) are respectively fixedly connected with pipes (32), and the ends of the two pipes (32) away from the nutrient solution storage tank (31) are fixedly connected with a nozzle connecting frame (33).

2. The vegetation replanting device for sand area restoration according to claim 1 is characterized in that: A bidirectional hydraulic push rod (214) is fixedly connected to the middle of the top of the two placement plates (213), and the left and right ends of the bidirectional hydraulic push rod (214) are respectively fixedly connected to a retractable and expandable block (215), and the bottoms of the two retractable and expandable blocks (215) are respectively slidably connected to the left and right sides of the top of the frame plate (211).

3. The vegetation replanting device for sand area restoration according to claim 2 is characterized in that: The front and rear sides of the two expansion blocks (215) are both rotatably connected to a rotation rod (217), and the sides of the two groups of rotation rods (217) close to the expansion blocks (215) are both rotatably connected to the left and right sides of the front and rear sides of the frame plate (211), and the bottoms of the two groups of rotation rods (217) are both rotatably connected to a second rotation rod (218).

4. The vegetation replanting device for sand area restoration according to claim 1 is characterized in that: The adjustment assembly (22) comprises a top plate (221), the left and right sides of the top of the top plate (221) are respectively rotatably connected to the bottoms of the left and right groups of second rotating rods (218), the left and right sides of the rear side of the top plate (221) are both fixedly connected to vertical rods (224), and the outer walls of the two vertical rods (224) are respectively slidably connected to the inner walls of the two sliding grooves (216).

5. The vegetation replanting device for sand area restoration according to claim 4 is characterized in that: Two inverted U-shaped connection frames (222) are fixedly connected to the left and right sides of the bottom of the top plate (221); the bottoms of the left and right groups of the inverted U-shaped connection frames (222) are fixedly connected to columnar cross bar connection blocks (223); the inner walls of the left and right groups of the columnar cross bar connection blocks (223) are fixedly connected to columnar cross bars (228); the outer walls of the two columnar cross bars (228) are provided with a plurality of columnar cross bar slots (2210); the inner ends of the two columnar cross bars (228) extend to the inner sides of the two inner columnar cross bar connection blocks (223) and are fixedly connected to a second ditching wheel (229).

6. The vegetation replanting device for sand area restoration according to claim 5 is characterized in that: The outer walls of the two columnar cross bars (228) are slidably connected with a contraction and expansion cross tube (225), the inner walls of the two contraction and expansion cross tubes (225) are provided with a plurality of clamping rods that fit with the columnar cross bar clamping grooves (2210), the outer ends of the two contraction and expansion cross tubes (225) respectively extend to the outside of the two outer columnar cross bar connecting blocks (223) and are fixedly connected with a groove opening wheel (227), the outer walls of the two contraction and expansion cross tubes (225) are connected to the two sets of inverted U-shaped connecting frames (222) A connection plate (226) is fixedly connected to one side of the inner side, a slide groove horizontal plate (2211) is fixedly connected to the middle part of the bottom of the top plate (221), a motor placement bin (2212) is fixedly connected to the middle part of the bottom of the slide groove horizontal plate (2211), a motor (2216) is fixedly connected to the inner wall of the motor placement bin (2212), and an output end of the motor (2216) extends to the inner wall of the slide groove horizontal plate (2211) and is fixedly connected to a gear (2217).

7. The vegetation replanting device for sand area restoration according to claim 6 is characterized in that: The front and rear sides of the inner wall of the slide groove horizontal plate (2211) are both slidably connected with a rack rod (2213), the inner sides of the two rack rods (2213) are meshed with the outer walls of the gear (2217), the sides of the two rack rods (2213) away from each other extend to the outer walls of the slide groove horizontal plate (2211) and are fixedly connected with a ring connecting rod (2214), the bottoms of the two ring connecting rods (2214) are fixedly connected with a ring (2215), and the inner walls of the two rings (2215) are sleeved on the outer wall of the connecting plate (226).

8. The vegetation replanting device for sand area restoration according to claim 1 is characterized in that: The front side of the nutrient solution storage box (31) is fixedly connected to the rear sides of the two upright poles (224).

9. The vegetation replanting device for sand area restoration according to claim 1 is characterized in that: The two nozzle connection frames (33) each comprise a main connection block (331), the inner sides of the two main connection blocks (331) are respectively fixedly connected to the left and right sides of the frame plate (211), the front and rear sides of the two main connection blocks (331) are both fixedly connected with an L-shaped connection rod (332), the tops of the two main connection blocks (331) are both slidably connected with a push-pull rod (337), and the inner sides of the two push-pull rods (337) are respectively fixedly connected to the outer sides of the two expansion blocks (215).

10. The vegetation replanting device for sand area restoration according to claim 9, characterized in that: The outer sides of the two push-pull rods (337) are rotatably connected to push-pull cross rods (336), the front and rear sides of the two push-pull cross rods (336) away from the push-pull rods (337) are fixedly connected to V-shaped rotating rods (335), the middle part of the two groups of V-shaped rotating rods (335) close to the main connecting block (331) are fixedly connected to V-shaped rotating rod connecting rods (334), the sides of the two groups of V-shaped rotating rod connecting rods (334) away from the V-shaped rotating rods (335) are rotatably connected to bidirectional hinge blocks (333), and the two groups of bidirectional hinge blocks (333) are fixedly connected to the two sides of the two push-pull cross rods (336) away from the push-pull rods (337). The sides of the two groups of V-shaped rotating rods (335) away from the main connecting block (331) are both rotatably connected to the outer wall of the side of the L-shaped connecting rod (332) away from the main connecting block (331), and the bottoms of the two groups of V-shaped rotating rods (335) close to the main connecting block (331) are both rotatably connected to the nozzle connecting plates (338), and the sides of the two nozzle connecting plates (338) away from the main connecting block (331) are both fixedly connected to the nozzles (339), and the tops of the two nozzles (339) are respectively fixedly connected to the ends of the two pipes (32) away from the nutrient solution storage tank (31).

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