CN117204152A - Degraded sandy grassland vegetation restoration and planting device and method thereof - Google Patents

Abstract

The utility model discloses a degraded sandy grassland vegetation repairing and planting device which comprises a rear suspension type U-shaped frame, deep ditching plow uniformly arranged at the front side of the bottom of the rear suspension type U-shaped frame, a seed box fixedly connected inside the rear suspension type U-shaped frame, a seed sowing device uniformly arranged at the bottom of the seed box, a seed sowing pipe arranged at the bottom of the seed sowing device and a pressing friction wheel arranged at the rear side of the bottom of the rear suspension type U-shaped frame, wherein an adding mechanism for adding planting soil and a spraying mechanism for adding and spraying repair liquid are arranged inside the rear suspension type U-shaped frame, the adding mechanism comprises uniformly arranged adding pipes, shallow ditching spades fixedly connected at the bottom of the rear suspension type U-shaped frame are arranged at the rear side of the adding pipes, and the spraying mechanism comprises uniformly arranged spraying heads. According to the utility model, the overall structure of the degraded sandy soil is repaired by adding planting soil and spraying the repairing liquid so as to improve the liquid storage and absorption capacity of the soil, thereby improving the repairing and planting effects of the device.

Description

Degraded sandy grassland vegetation restoration and planting device and method thereof

Technical Field

The utility model relates to the technical field of grassland vegetation restoration, in particular to a device and a method for restoring degraded sandy grassland vegetation.

Background

Factors of grassland degradation sandy quality mainly comprise overload grazing, wood harvesting and felling, unreasonable exploitation and utilization of grassland resources and land resources, mining, road repairing and other engineering activities. The main manifestation of the degraded sandy grassland vegetation is that the grass yield is reduced, especially the quality forage grass is greatly reduced, the proportion of poor forage grass such as the mixed forage grass is increased, the stock supply is reduced, meanwhile, the disasters such as windblown sand and sand storm are aggravated, and the damage is caused to wider areas, so that the repair work of the degraded sandy grassland vegetation is very important, the repair of the degraded sandy grassland vegetation needs to be carried out, the operations such as soil loosening, ditching, fertilizing, seeding, soil covering, water supplementing and medicine supplementing need to be carried out when the vegetation is carried out, and planting soil or nutrient soil needs to be added when necessary to improve the seedling emergence rate of seeds, so that the phenomenon of large-area empty seedlings is avoided.

Through retrieval, the utility model patent with the Chinese patent number of CN 208490181U discloses an automatic reseeding machine for recovering grassland vegetation, which comprises a main frame, a single machine and a pressing wheel assembly, wherein the single machine and the pressing wheel assembly are arranged on the main frame, the single machine comprises a land wheel, a wheel frame, a supporting frame, a transmission disc, a seed sowing mechanism and a ditching mechanism, the land wheel is connected with one end of the wheel frame, the supporting frame is arranged above the wheel frame, the transmission disc is rotatable, the seed sowing mechanism is positioned above the supporting frame, a first rotary disc is arranged on one side of the land wheel, the first rotary disc is connected with the transmission disc in a matched manner through a belt, the seed sowing wheel in the seed sowing mechanism is connected with the transmission disc in a matched manner, the ditching mechanism comprises a first bevel gear, a second bevel gear, a height adjusting mechanism and a ditching column, and the ditching column is positioned in the height adjusting mechanism and is screwed and fixed by an adjusting bolt of the ditching column. Compared with the prior art, the utility model with the Chinese patent number of CN 208490181U can realize automatic seed metering, ditching and soil compacting by only driving a tractor, is convenient to operate and high in efficiency, is free from tillage after supplementary seeding, and has wide applicability.

However, in the process of supplementing, the automatic supplementing machine for recovering grassland vegetation lacks of repairing the integral structure of the soil, and the repairing and supplementing effect is poor due to poor liquid storage and absorption capacity after the soil degenerates the sand, so that the repairing and supplementing device for repairing the degenerated sandy grassland vegetation is required to repair the integral structure of the soil to improve the repairing effect.

Disclosure of Invention

The utility model aims to solve the defect that the repairing and planting effect is poor due to poor storage and absorption capacity of degraded sandy soil after the lack of repairing the integral structure of soil in the prior art, and provides a repairing and planting device and a repairing and planting method for degraded sandy grassland vegetation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a device is planted in repair of degradation sandy grassland vegetation, is in including rear suspension type U-shaped frame, evenly setting rear suspension type U-shaped frame bottom front side's deep trench plow, fixed connection be in the inside seed case of rear suspension type U-shaped frame, evenly set up seed metering ware of seed case bottom, set up seed metering ware bottom arrange seed pipe and setting up rear suspension type U-shaped frame bottom rear side's suppression friction wheel, rear suspension type U-shaped frame's inside is provided with the adding mechanism that is used for adding the planting soil and is used for adding the spraying mechanism who sprays the repair liquid, the adding mechanism is including evenly setting up rear suspension type U-shaped frame bottom add the pipe, add the pipe and be located the rear side of deep trench plow, the rear side of adding the pipe is provided with fixed connection and is in the shallow shovel of rear suspension type U-shaped frame bottom, shallow trench shovel is located add the pipe with between the seed metering pipe, the spraying mechanism is including evenly setting up rear suspension type U-shaped frame bottom's sprinkler, sprinkler head is located between seed pipe and the suppression wheel.

The technical scheme further comprises the following steps:

the adding mechanism further comprises a soil storage box which is uniformly and fixedly connected inside the rear suspension type U-shaped frame, a discharging pipe is fixedly communicated with the bottom of the soil storage box, a circular shell is fixedly communicated with the bottom of the discharging pipe, and the bottom of the circular shell is fixedly communicated with the top of the adding pipe.

The middle part of the circular shell is rotationally connected with a horizontal rotating rod, the outer part of the horizontal rotating rod is fixedly connected with a circular distributing block positioned in the circular shell, distributing grooves are symmetrically formed in the outer part of the circular distributing block, and the diameter of each distributing groove is consistent with the inner diameters of the blanking pipe and the adding pipe; when the bottom of dividing chute and unloading pipe aligns, the inside of this dividing chute will be got into to the planting soil of storage soil incasement portion through the unloading pipe, and when dividing chute aligns with the top of adding the pipe, the inside of dividing chute will get into the inside of deep trench through the unloading pipe, and when the horizontal swivelling lever drove circular dividing block promptly and rotate, add the pipe and can add planting soil to the deep trench.

The top of the soil storage box is fixedly connected with a mounting frame, a vertical rotating rod is rotatably connected in the mounting frame, and stirring blades are symmetrically and fixedly connected to the outer shaft of the vertical rotating rod; the stirring blade can promote the planting soil in the soil storage box to enter the interior of the blanking pipe.

The outside of a plurality of horizontal dwang with a plurality of vertical dwang all is provided with the driving piece, the driving piece is including respectively fixed connection a plurality of horizontal dwang or a plurality of the outside a plurality of sprocket of vertical dwang, a plurality of the outside of sprocket is provided with the chain jointly.

The driving piece further comprises a mounting lug fixedly connected to the inside of the rear suspension type U-shaped frame, a driving motor is mounted on the inner side of the mounting lug, and the output end of the driving motor is fixedly connected with the horizontal rotating rod or the vertical rotating rod positioned in the middle; when the driving motor drives the middle chain wheel to rotate, the chain drives the plurality of chain wheels to rotate, so that the plurality of horizontal rotating rods or the plurality of vertical rotating rods rotate.

The spraying mechanism further comprises a liquid storage box fixedly connected to the inside of the rear suspension type U-shaped frame, communicating pipes are uniformly and fixedly communicated with the bottom of the liquid storage box, the bottom of each communicating pipe is fixedly communicated with the spraying head, and a water pump is arranged outside each communicating pipe; the repair liquid inside the liquid storage tank can be enabled to enter the inside of the sprinkler head through the communicating pipe by starting the water pump, so that the sprinkler head can spray the repair liquid onto planting soil and seeds inside the shallow trench.

The rear side of the rear suspension type U-shaped frame is hinged with two symmetrical connecting plates, the pressing friction wheel is rotationally connected between the two connecting plates, and a telescopic connecting rod is hinged between the rear side of the rear suspension type U-shaped frame and the two connecting plates; the compressed two telescopic connecting rods can drive the compacting friction wheel pair to repair the planting repairing area for compacting.

A soil covering friction wheel which is in contact with the compacting friction wheel is also rotationally connected between the two connecting plates, and a soil scraping plate which is attached to the surfaces of the compacting friction wheel and the soil covering friction wheel is fixedly connected between the two connecting plates; the scraper can scrape off the planting soil attached to the surfaces of the compacting friction wheel and the earthing friction wheel (when the sprinkler head sprays the repairing liquid, the planting soil is moist and has larger viscosity).

A method for repairing and planting degraded sandy grassland vegetation, comprising the following steps:

step one: after the rear suspension type U-shaped frame is connected with the rear part of the tractor in a suspension way, the tractor is started to bring the device into a degraded sandy grassland vegetation area;

step two: then starting a tractor and sequentially starting a deep ditching plow, a driving motor, a seed metering device and a water pump through a cab, wherein the deep ditching plow starts to ditche a degraded sandy grassland vegetation area, the driving motor starts to equally add planting soil into the deep ditches, a shallow ditching shovel can follow the tractor to ditche planting soil in the deep ditches, the seed metering device starts to enable seeds to enter the shallow ditches through a seed metering pipe, the water pump starts to enable repair liquid to be sprayed onto the planting soil and the seeds in the shallow ditches through a spray head, a soil covering friction wheel can rotate and cover soil for the seeds in the shallow ditches along with the tractor, and a pressing friction wheel can rotate and press a repair and supplementary planting area along with the tractor, so that a repair and supplementary planting area is formed through the device;

step three: after the degraded sandy grassland vegetation area is repaired and planted, starting a tractor to bring the device out of the repair and planting area;

step four: then enclosing the repair and implantation area to avoid the interference of uncertainty factors (such as human beings, wild animals and the like) to the repair and implantation area;

step five: and periodically supplementing water for the enclosed repairing and supplementing area.

The utility model has the following beneficial effects:

1. according to the utility model, the tractor is started, the deep ditching plow, the driving motor, the seed metering device and the water pump are sequentially started through the cab, so that the deep ditching plow can ditche a degraded sandy grassland vegetation region, planting soil is added into the deep ditches in an equal amount through the adding pipes, shallow ditching shovels ditches shallow ditches are used for ditching planting soil in the deep ditches, the seed metering pipes are planted into the shallow ditches, the spraying heads spray repairing liquid onto the planting soil and seeds in the shallow ditches, the soil covering friction wheels rotate and cover the seeds in the shallow ditches, the pressing friction wheels rotate and press the repairing and planting region, repairing and planting of the degraded sandy grassland vegetation can be completed, and the whole structure of the degraded sandy grassland vegetation is repaired in a mode of adding the planting soil and spraying the repairing liquid so as to improve the storage and absorption capacity of the soil, and accordingly, the repairing and planting effect of the device is improved.

2. According to the utility model, the compressed two telescopic connecting rods drive the compacting friction wheels to repair and plant the region for compacting, so that the compacting effect of the compacting friction wheels is better, the soil scraping plate scrapes the planting soil attached to the surfaces of the compacting friction wheels and the soil covering friction wheels (when a spray head sprays the repairing liquid, the planting soil is moist and has larger viscosity), and the soil covering friction wheels and the compacting friction wheels can continuously carry out soil covering compacting, so that the repairing and plant-supplementing effect of the device is improved.

Drawings

FIG. 1 is a schematic view of a first external structure of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 2 is a schematic diagram showing a second external structure of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 3 is a schematic side view of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 4 is a schematic diagram of an internal structure of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 5 is a schematic view of a first part of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 6 is a schematic diagram of a second part of a device for repairing vegetation on a degraded sandy grassland according to the present utility model;

FIG. 7 is a schematic diagram of a third part of a device for repairing vegetation in a degraded sandy grassland according to the present utility model;

fig. 8 is a schematic structural diagram of a fourth part of a device for repairing vegetation on a degraded sandy grassland according to the present utility model.

In the figure: 1. rear suspension type U-shaped frame; 2. deep ditching plow; 3. a seed box; 4. a seed metering device; 5. a seed discharging tube; 6. a pressing friction wheel; 7. an adding mechanism; 70. an addition tube; 71. a soil storage tank; 72. discharging pipes; 73. a circular housing; 74. a horizontal rotating rod; 75. a circular distributor block; 76. a material dividing groove; 77. a mounting frame; 78. a vertical rotating rod; 79. stirring blades; 8. a spraying mechanism; 80. a spray head; 81. a liquid storage tank; 82. a communicating pipe; 83. a water pump; 9. shallow ditching shovel; 10. a driving member; 101. a sprocket; 102. a chain; 103. a mounting ear; 104. a driving motor; 11. a connecting plate; 12. a telescopic connecting rod; 13. a soil covering friction wheel; 14. a scraper plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-8, the present utility model provides a degraded sandy grassland vegetation restoration and planting device, which comprises a rear suspension type U-shaped frame 1, a deep trench plow 2 uniformly arranged at the front side of the bottom of the rear suspension type U-shaped frame 1, a seed box 3 fixedly connected inside the rear suspension type U-shaped frame 1, a seed sowing device 4 uniformly arranged at the bottom of the seed box 3, a seed sowing pipe 5 arranged at the bottom of the seed sowing device 4, and a pressing friction wheel 6 arranged at the rear side of the bottom of the rear suspension type U-shaped frame 1, wherein the structures of the deep trench plow 2 and the seed sowing device 4 and how to realize work all belong to the prior art, and the inside of the rear suspension type U-shaped frame 1 is provided with an adding mechanism 7 for adding planting soil and a spraying mechanism 8 for adding a spraying repair liquid, which are not repeated herein;

the rear side of the rear suspension type U-shaped frame 1 is hinged with two symmetrical connecting plates 11, the pressing friction wheel 6 is rotationally connected between the two connecting plates 11, telescopic connecting rods 12 are respectively hinged between the rear side of the rear suspension type U-shaped frame 1 and the two connecting plates 11, the compressed two telescopic connecting rods 12 can drive the pressing friction wheel 6 to press a repairing and planting region, an earthing friction wheel 13 which is in contact with the pressing friction wheel 6 is rotationally connected between the two connecting plates 11, the earthing friction wheel 13 can carry out earthing on seeds in a shallow trench before the pressing friction wheel 6 presses the repairing and planting region, a scraper plate 14 which is attached to the surfaces of the pressing friction wheel 6 and the earthing friction wheel 13 is fixedly connected between the two connecting plates 11, and the scraper plate 14 can scrape planting soil which is attached to the surfaces of the pressing friction wheel 6 and the earthing friction wheel 13 (when a spraying head 80 sprays repairing liquid, the planting soil can be moist and has larger viscosity);

the adding mechanism 7 comprises adding pipes 70 uniformly arranged at the bottom of the rear suspension type U-shaped frame 1, the adding pipes 70 are positioned at the rear side of the deep trench plow 2, the rear side of the adding pipes 70 is provided with shallow trench shovels 9 fixedly connected at the bottom of the rear suspension type U-shaped frame 1, the shallow trench shovels 9 are positioned between the adding pipes 70 and the seed discharging pipes 5, the adding mechanism 7 further comprises a soil storage box 71 uniformly and fixedly connected at the inside of the rear suspension type U-shaped frame 1, a blanking pipe 72 is fixedly communicated at the bottom of the soil storage box 71, a circular shell 73 is fixedly communicated at the bottom of the blanking pipe 72, the bottom of the circular shell 73 is fixedly communicated with the top of the adding pipe 70, a horizontal rotating rod 74 is rotationally connected at the middle part of the circular shell 73, a distribution chute 76 is axially symmetrically arranged at the outer part of the circular distribution chute 76, the inner diameter of the distribution chute 76 is consistent with the inner diameters of the blanking pipe 72, when the distribution chute 76 is aligned with the bottom of the blanking pipe 72, the planting soil inside the soil storage box 71 enters the circular distribution chute 76 through the blanking pipe 72, and can rotate to the inner distribution chute 76 through the inner distribution chute 70, namely, and the planting chute 76 can rotate to the deep trench 70 when the planting chute is aligned with the inner distribution chute 70;

the top of the soil storage box 71 is fixedly connected with a mounting frame 77, the inside of the mounting frame 77 is rotationally connected with a vertical rotating rod 78, the outer axis of the vertical rotating rod 78 is symmetrically and fixedly connected with stirring blades 79, and the stirring blades 79 can promote planting soil in the soil storage box 71 to enter the blanking pipe 72;

the driving piece 10 is arranged outside the plurality of horizontal rotating rods 74 and the plurality of vertical rotating rods 78, the driving piece 10 comprises a plurality of chain wheels 101 which are respectively and fixedly connected to the outsides of the plurality of horizontal rotating rods 74 or the plurality of vertical rotating rods 78, chains 102 are arranged outside the plurality of chain wheels 101 together, the driving piece 10 also comprises mounting lugs 103 which are fixedly connected to the inside of the rear suspension type U-shaped frame 1, driving motors 104 are arranged on the inner sides of the mounting lugs 103, the output ends of the driving motors 104 are fixedly connected with the horizontal rotating rods 74 or the vertical rotating rods 78 positioned in the middle, and when the driving motors 104 drive the middle chain wheels 101 to rotate, the chains 102 drive the plurality of chain wheels 101 to rotate, so that the plurality of horizontal rotating rods 74 or the plurality of vertical rotating rods 78 rotate;

the spraying mechanism 8 comprises spraying heads 80 uniformly arranged at the bottom of the rear suspension type U-shaped frame 1, the spraying heads 80 are positioned between the seed discharging pipe 5 and the pressing friction wheel 6, the spraying mechanism 8 further comprises a liquid storage box 81 fixedly connected inside the rear suspension type U-shaped frame 1, communicating pipes 82 are uniformly fixedly communicated with the bottom of the liquid storage box 81, the bottom of the communicating pipes 82 is fixedly communicated with the spraying heads 80, water pumps 83 are arranged outside the communicating pipes 82, and repair liquid inside the liquid storage box 81 can enter the inside of the spraying heads 80 through the communicating pipes 82 by starting the water pumps 83, so that the spraying heads 80 spray the repair liquid onto planting soil and seeds inside the shallow groove.

In this embodiment: firstly, the rear suspension type U-shaped frame 1 is connected with the rear part of a tractor in a suspension way, the tractor is started to bring the device into a degraded sandy grassland vegetation area, and then the tractor is started and the deep ditching plow 2, the driving motor 104, the seed sowing device 4 and the water pump 83 are started in sequence through a cab;

the deep ditching plow 2 is started to open a deep ditch on a degraded sandy grassland vegetation area, the driving motor 104 is started to enable the sprockets 101 to rotate, the rotating sprockets 101 can drive the horizontal rotating rods 74 and the vertical rotating rods 78 to rotate, the horizontal rotating rods 74 rotate to drive the round distributing blocks 75 outside the deep ditching plow, the round distributing blocks 75 rotate to drive the distributing grooves 76 to rotate, when the distributing grooves 76 are aligned with the bottoms of the blanking pipes 72, planting soil in the soil storage tanks 71 can enter the distributing grooves 76 through the blanking pipes 72, when the distributing grooves 76 are aligned with the tops of the adding pipes 70, the planting soil in the distributing grooves 76 can enter the deep ditches through the blanking pipes 72, namely, when the horizontal rotating rods 74 drive the round distributing blocks 75 to rotate, the adding pipes 70 can equally add planting soil into the deep ditches, the shallow shovel 9 can drive the planting soil in the deep ditches to be opened by the tractor, the seed in the seed boxes 3 can be driven to enter the seed boxes through the seed distributing pipes 5, the water pumps 83 are started to enable the seeds in the repairing storage tanks 81 to enter the inside the repairing water storage tanks 80 to be driven by the rotating the small-fill-up wheels 80, and the repairing water-up wheels 80 can be driven by the friction-down wheels 80, and the repairing water-filled with the repairing water-up wheels can be driven by the friction-down wheels and the repairing wheels are driven by the rotating the water-filled with the repairing water-up wheels and the repairing water-filled with the repairing water;

after the repairing and planting areas of the degraded sandy grassland vegetation areas are repaired and planted, starting a tractor to bring the device out of the repairing and planting areas, then enclosing the repairing and planting areas, avoiding the interference of uncertainty factors such as human beings, wild animals and the like on the repairing and planting areas, and then periodically supplementing water for the enclosed repairing and planting areas;

this device is planted in repair of degradation sandy grassland vegetation is with mending through starting tractor and starting deep digger plow 2, driving motor 104, seed metering ware 4 and water pump 83 in proper order through the driver's cabin, can make deep digger plow 2 open the deep trench to degradation sandy grassland vegetation region, add pipe 70 equivalent interpolation planting soil to the deep trench in, shallow ditching shovel 9 opens shallow trench to the planting soil of deep trench inside, seed tube 5 seed metering is to the shallow trench in, sprinkler head 80 sprays the planting soil and the seed of restoration liquid to the shallow trench inside, earthing friction wheel 13 rotates the earthing to the seed of shallow trench inside, the region is mended in the repair of repair friction wheel 6 rotates the suppression, so can accomplish the repair of degradation sandy grassland vegetation, repair the overall structure of degradation sandy soil through the mode of adding planting soil and spraying the restoration liquid in order to improve the retaining and the absorbing capacity of soil, thereby improve the repair effect of device.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a device is planted in repair of degradation sandy grassland vegetation, includes back suspension type U-shaped frame (1), evenly sets up deep digger plow (2) of back suspension type U-shaped frame (1) bottom front side, fixed connection are in inside seed case (3) of back suspension type U-shaped frame (1), evenly set up seed metering ware (4) of seed case (3) bottom, set up seed metering pipe (5) of seed metering ware (4) bottom and set up suppression friction wheel (6) of back suspension type U-shaped frame (1) bottom rear side, its characterized in that: the inside of back suspension type U-shaped frame (1) is provided with the adding mechanism (7) that are used for adding planting soil and is used for adding spraying mechanism (8) that spray repair liquid, adding mechanism (7) are including evenly setting up add pipe (70) of back suspension type U-shaped frame (1) bottom, add pipe (70) are located the rear side of deep trench plow (2), the rear side of adding pipe (70) is provided with fixed connection shallow trench shovel (9) of back suspension type U-shaped frame (1) bottom, shallow trench shovel (9) are located add pipe (70) with between seed metering pipe (5), spraying mechanism (8) are including evenly setting up sprinkler head (80) of back suspension type U-shaped frame (1) bottom, sprinkler head (80) are located between seed metering pipe (5) and press friction wheel (6).

2. The degraded sandy grassland vegetation restoration device as claimed in claim 1, wherein: the adding mechanism (7) further comprises a soil storage box (71) which is uniformly and fixedly connected inside the rear suspension type U-shaped frame (1), a discharging pipe (72) is fixedly communicated with the bottom of the soil storage box (71), a circular shell (73) is fixedly communicated with the bottom of the discharging pipe (72), and the bottom of the circular shell (73) is fixedly communicated with the top of the adding pipe (70).

3. The degraded sandy grassland vegetation restoration device as claimed in claim 2, wherein: the middle part rotation of circular shell (73) is connected with horizontal dwang (74), the outside fixedly connected with of horizontal dwang (74) is located circular distributing block (75) of circular shell (73) inside, divide silo (76) have been seted up to the outside axisymmetry of circular distributing block (75), divide the diameter of silo (76) with unloading pipe (72) add the internal diameter of pipe (70) and keep unanimous.

4. A degraded sandy grassland vegetation restoration and planting device as claimed in claim 3 wherein: the top fixedly connected with mounting bracket (77) of soil storage case (71), the inside rotation of mounting bracket (77) is connected with vertical dwang (78), the outside axisymmetric fixedly connected with stirring leaf (79) of vertical dwang (78).

5. The device of claim 4, wherein: the outside of a plurality of horizontal swivelling levers (74) and a plurality of vertical swivelling levers (78) all is provided with driving piece (10), driving piece (10) are including respectively fixed connection a plurality of horizontal swivelling levers (74) or a plurality of vertical swivelling levers (78) outside a plurality of sprocket (101), a plurality of sprocket (101) outside is provided with chain (102) jointly.

6. The device of claim 4, wherein: the driving piece (10) further comprises a mounting lug (103) fixedly connected to the inside of the rear suspension type U-shaped frame (1), a driving motor (104) is mounted on the inner side of the mounting lug (103), and the output end of the driving motor (104) is fixedly connected with the horizontal rotating rod (74) or the vertical rotating rod (78) which are positioned in the middle.

7. The degraded sandy grassland vegetation restoration device as claimed in claim 6, wherein: the spraying mechanism (8) further comprises a liquid storage tank (81) fixedly connected inside the rear suspension type U-shaped frame (1), communicating pipes (82) are uniformly and fixedly communicated with the bottom of the liquid storage tank (81), the bottom of each communicating pipe (82) is fixedly communicated with the corresponding spraying head (80), and a water pump (83) is arranged outside each communicating pipe (82).

8. The degraded sandy grassland vegetation restoration device as claimed in claim 7, wherein: the rear side of the rear suspension type U-shaped frame (1) is hinged with two symmetrical connecting plates (11), the pressing friction wheel (6) is rotationally connected between the two connecting plates (11), and telescopic connecting rods (12) are hinged between the rear side of the rear suspension type U-shaped frame (1) and the two connecting plates (11).

9. The degraded sandy grassland vegetation restoration device as claimed in claim 8, wherein: the soil covering friction wheels (13) which are in contact with the pressing friction wheels (6) are further rotationally connected between the two connecting plates (11), and the soil scraping plates (14) which are attached to the surfaces of the pressing friction wheels (6) and the soil covering friction wheels (13) are fixedly connected between the two connecting plates (11).

10. The method for repairing and planting degraded sandy grassland vegetation according to claim 9, wherein: the method comprises the following steps:

step one: after the rear suspension type U-shaped frame (1) is connected with the rear part of the tractor in a suspension way, the tractor is started to bring the device into a degraded sandy grassland vegetation area;

step two: then a tractor is started, a deep ditching plow (2), a driving motor (104), a seed metering device (4) and a water pump (83) are sequentially started through a cab, the deep ditching plow (2) is started to open a deep ditch for a degraded sandy grassland vegetation area, the driving motor (104) is started to add planting soil into the deep ditch in an equal amount, a shallow ditching shovel (9) can follow the tractor to open a shallow ditch for the planting soil in the deep ditch, the seed metering device (4) is started to enable seeds to enter the shallow ditch through a seed metering pipe (5), the water pump (83) is started to enable repair liquid to be sprayed onto the planting soil and the seeds in the shallow ditch through a spray head (80), a soil covering friction wheel (13) can rotate to cover soil for the seeds in the shallow ditch along with the tractor, and a pressing friction wheel (6) can rotate to press a repair and repair planting area along with the tractor, so that a repair and planting area is formed through the repair and repair device;

step three: after the degraded sandy grassland vegetation area is repaired and planted, starting a tractor to bring the device out of the repair and planting area;

step four: then enclosing the repair and implantation area to avoid the interference of uncertainty factors (such as human beings, wild animals and the like) to the repair and implantation area;

step five: and periodically supplementing water for the enclosed repairing and supplementing area.