Sand stabilization mulching film laying apparatus and mulching film laying method

Abstract

The invention belongs to the technical field of sand prevention and sand stabilization, and particularly relates to a sand stabilization mulching film laying instrument and a mulching film laying method, the sand stabilization mulching film laying instrument comprises a keel, a roller assembly, a lasso, a ratchet mechanism and a control rod assembly. The roller assembly comprises a rotating shaft and two rotating blades, the rotating shaft is connected to the keel, the two rotating blades are arranged at the two ends of the rotating shaft in a sleeving mode respectively, at least one protrusion is fixed to the side of each rotating blade, and the protrusions on the two rotating blades are oppositely arranged; the lasso is fixed to the two protrusions of the two rotary blades in a surrounding mode. The ratchet mechanism is used for controlling the rotating shaft to rotate in a single direction; the control rod assembly comprises a control component, two movable rods and overhanging pieces, the two movable rods are parallel and are rotationally connected to the two ends of the rotating shaft respectively, the overhanging pieces are fixed to the lower ends of the movable rods, and the upper ends of the two movable rods achieve steering of the two overhanging pieces through the control component. According to the device, sandy soil can be longitudinally surrounded, wrapped and laid by a mulching film, the ground attaching effect of the mulching film and the sandy soil is improved, the damage probability is reduced, and the better sand stabilization and water retention effects are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of sand prevention and fixation, and in particular relates to a sand fixation ground film laying device and a ground film laying method. Background Art

[0002] Desert sand control and sand fixation work is of great significance for protecting the ecological environment and promoting sustainable social development. On the one hand, sand control and sand fixation are important foundations for protecting cultivated land and improving land quality. With the change of global climate, desertification is becoming more and more serious, resulting in the loss of a large amount of cultivated land, which seriously affects agricultural production. Therefore, through effective sand control and sand fixation measures, cultivated land can be effectively protected and the quality and production capacity of land can be improved; on the other hand, sand control and sand fixation are also important ways to promote the sustainable economic and social development of sandy areas. Through sand control and sand fixation, the ecological environment of sandy areas can be effectively improved, and the prosperity and development of the economy in sandy areas can be promoted. In addition, sand control and sand fixation can also promote the increase of income of farmers and herdsmen and improve the living standards of residents in sandy areas.

[0003] In the prevention and control of sand, the film-covering and sand-fixing technology plays a vital role in modern desert control. This technology covers the desert surface with a layer of film. Through the effect of the film, it can not only effectively fix the quicksand, but also enhance the water and fertilizer retention capacity of the sand, which is of great significance for improving the agricultural productivity and sustainable development in desert areas. Most of the existing film-laying equipment lays the film along the soil surface longitudinally or transversely, and uses the covering mechanism to turn up the soil from both sides of the length direction of the film and pile it on the side of the film, and then compact it to ensure the stability of the film laying. However, with this film-laying method, the film's ground adhesion performance is relatively poor. For the mobile sand dunes in arid and semi-arid areas with harsh environments and often accompanied by strong winds, the film cannot maintain its effectiveness for a long time, and it is easy to be damaged on a large scale in harsh weather conditions, making it difficult to play its role in sand fixation and water retention. For example, the patent with publication number CN108718554A provides an automatic ground film laying device, including a frame, a walking mechanism and a ground film roll fixing device located under the frame, a cross bar connected to the frame is arranged behind the ground film roll fixing device, a rotating shaft is horizontally arranged on the cross bar, a friction layer for increasing resistance is arranged at the rotation connection between the rotating shaft and the cross bar, or a motor is used to drive the rotating shaft to rotate to control the rotation speed of the rotating shaft, a turntable is respectively arranged on both sides of the rotating shaft corresponding to the ground film, and a plurality of soil receiving bowls are arranged on the outer circumference of the turntable, and the soil receiving bowls are used to receive soil from the soil feeding device above, and then rotate to place the soil on both sides of the ground film to cover the ground film. The device uses soil receiving bowls arranged on both sides of the width of the ground film to continuously press and fix the ground film laid on the ground at intervals, which can effectively improve the efficiency of ground film laying. However, in dealing with the mobile sand dunes in arid and semi-arid areas with harsh environments and often accompanied by strong winds, there are too many gaps between the ground film laid in this way and the ground, and the ground film is difficult to ensure its adhesion to the ground, resulting in the ground film being difficult to maintain long-term effectiveness, easy to break, and difficult to play its role in sand fixation and water conservation. For another example, the patent with publication number CN209449354U provides a ground film laying device, including a frame, a moving mechanism rotatably connected to the lower part of the frame, a soil turning mechanism fixedly connected to the lower part of the frame, and a film laying mechanism located in the middle of the frame, the frame including two left-right symmetrical brackets and a cross bar connected to the front and rear ends of the bracket, the moving mechanism including two front wheels and two rear wheels, the front wheel is rotatably connected to the bracket through a support rod, and the rear wheel is connected to the bracket through a telescopic mechanism, and the soil turning mechanism includes a front shovel fixedly connected to the front end of the bracket and a rear shovel fixedly connected to the rear end of the bracket, the front shovel turns the soil outward, and the rear shovel turns the soil inward. When the device is in use, the device is driven to move forward, wherein the front shovel turns the soil outside, the ground film roll is laid as the device moves forward, and the rear shovel turns the soil inside, thereby covering both sides of the film with soil.Compared with the equipment provided by the patent with publication number CN108718554A, this device can ensure good continuity of the soil covering on both sides of the film during the covering process and has a better sealing effect on both sides of the film. However, since a large amount of air will enter between the inside and the ground during the covering process, the film's adhesion to the ground cannot be guaranteed. In dealing with the mobile sand dunes in arid and semi-arid areas with harsh environments and often accompanied by strong winds, it is easy to be damaged and it is difficult to play its role in fixing sand and retaining water. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the purpose of the present invention is to provide a sand-fixing mulch film laying device and a mulch film laying method, which can enable the mulch film to longitudinally enclose and wrap the sand and soil, ensure that the mulch film can fully maintain a close contact with the sand and soil, reduce the chance of damage, and play a better role in sand fixation and water conservation.

[0005] The technical solution of the present invention is:

[0006] A sand-fixing ground film laying device comprises a keel and a ground film burying device, wherein the ground film burying device comprises:

[0007] The roller assembly comprises a rotating shaft and two rotating blades, wherein the rotating shaft is rotatably connected to two opposite side walls of the keel, and the two rotating blades are respectively fixed on both ends of the rotating shaft, and at least one protrusion is fixed on the side of each rotating blade, and the two protrusions are at equal distances from the rotating shaft, and the protrusions on the two rotating blades are arranged opposite to each other;

[0008] A ratchet mechanism is disposed between the rotating shaft and the inner wall of the rotating blade, and the ratchet mechanism is used to control the rotating shaft to rotate in a single direction;

[0009] A control rod assembly includes a control component, two movable rods and a cantilevered member arranged on each movable rod, wherein the two movable rods are arranged in parallel and are rotatably connected to the two ends of the rotating shaft respectively, and the movable rods are located on the upper side of the rotating shaft and the lasso, the cantilevered member is fixed to the lower end of the movable rod, and the upper ends of the two movable rods are connected through the control component, and the control component is used to realize the steering of the two cantilevered members by controlling the rotation of the two movable rods, and the cantilevered member and the control component are arranged on both sides of the rotating shaft.

[0010] Preferably, the ratchet mechanism comprises:

[0011] At least one chuck, a shaft hole is provided on its side wall, the chuck is sleeved on the rotating shaft through the shaft hole and the two are rotatably connected, the chuck is in contact with one of the rotating blades, a notch is provided on the chuck, and the notch is connected to the shaft hole;

[0012] Two extension arms are respectively fixedly connected to the two sides of the notch of the chuck, and each of the extension arms is provided with a flange on the side facing the rotary blade, and the flange is hinged to the extension arm;

[0013] A plurality of clamping holes are distributed on the side wall of the rotary blade in a circular array along the circumference of the rotating shaft, and the two flanges are respectively matched with one clamping hole. When the chuck rotates counterclockwise, the two flanges are respectively engaged with the corresponding clamping holes, and when the chuck rotates clockwise, the two flanges are disengaged from the clamping holes.

[0014] Preferably, the rotary blade is an equilateral triangle, and a protrusion is fixed to the outer side of each corner of the rotary blade, and the protrusions on the two rotary blades are arranged relatively to each other in a one-to-one correspondence.

[0015] Preferably, the cantilever member is V-shaped and has two intersecting cantilever plates, and the ends of the two cantilever plates away from the intersection are both fixedly connected to the movable rod.

[0016] Preferably, the protrusion is in the shape of a trapezoid, having a first base, a second base and two waist sides, the length of the first base is smaller than the length of the second base, the first base is fixedly connected to the rotating blade, and an angle is provided between the two waist sides and the rotating blade.

[0017] Preferably, the control component comprises:

[0018] Two sleeves, corresponding to the two movable rods one by one, the sleeves are sleeved on one end of the movable rod away from the cantilever, and the sleeves are rotatably connected to the movable rod, and a limiting groove is provided on the side wall of the sleeve;

[0019] A crossbeam, fixedly connected between the two sleeves;

[0020] Two short handles correspond to the two sleeves one by one, and the short handles pass through the limiting grooves on the sleeves and are fixedly connected to the movable rod.

[0021] Preferably, the keel comprises:

[0022] Two side plates are respectively mounted on the two ends of the rotating shaft, the side plates are fitted with the outer sides of the corresponding rotating blades, the ground film roll core is installed on the front sides of the two side plates through a clamping structure, and the side walls of the two side plates located on the rear side of the rotating shaft are both provided with gripping holes;

[0023] A curved bottom plate, fixedly connected to the front sides of the two side upright plates;

[0024] The plane bottom plate is fixedly connected to the rear sides of the two side vertical plates.

[0025] Preferably, the clamping structure includes two grooves on the side vertical plates and a roller overlapped between the two grooves, the roller is used to be plugged into the ground film roll core, and a limiting member is provided between the clamping groove and the roller.

[0026] Preferably, according to any one of the above-mentioned sand-fixing ground film laying devices, the method for laying ground film comprises the following steps:

[0027] S1. Install the mulch roll core on one side of the keel, keep the mulch roll core parallel to the shaft, and pull the starting end of the mulch from the mulch roll core to pass through the bottom of the shaft;

[0028] S2, put the lasso on the corresponding protrusions of the two rotary blades, and adjust the rotary blades so that the lasso is close to one side of the ground film roll core and is placed on the upper side of the ground film;

[0029] S3, adjusting the control component to rotate the two movable rods toward each other until the two cantilevered parts are placed at the bottom of the ground film;

[0030] S4, press down the two movable rods and rotate them clockwise with the rotating shaft as the center, and lift the ground film from the position between the lasso and the rotating shaft. At this time, keep the rotating blades and the rotating shaft stationary;

[0031] S5. Adjust the control component to rotate the two movable rods in opposite directions until the two cantilevered parts rotate out from under the ground film, and push the movable rod upward to rotate counterclockwise with the rotating shaft as the center. At this time, under the action of the limit assembly, the movable rod drives the rotating shaft and the rotating blade to rotate counterclockwise synchronously, so that the protrusion drives the lasso to rotate the ground film into the ground;

[0032] S6, when the ground film is inserted into the ground, the device is pushed forward as a whole through the gripping hole, and the lasso in the ground automatically detaches from the protrusion, so that the ground film is fixed in one rotation;

[0033] S7, after the lasso is detached, the protrusion is adjusted to reset through the cooperation of the control component, the limit component and the movable rod, and the above steps S2-S6 are repeated to enter the next section of the ground film for rotation and fixing.

[0034] Compared with the prior art, the sand-fixing ground film laying device and ground film laying method of the present invention have the following beneficial effects:

[0035] When the device is in use, the starting end of the ground film on the ground film roll core is pulled to pass through the bottom of the rotating shaft, and the lasso is put on the corresponding protrusions of the two rotary blades. The rotary blades are adjusted so that the lasso is close to one side of the ground film roll core and is placed on the upper side of the ground film. Then, the control component is adjusted to rotate the two movable rods towards each other until the two cantilevers are placed at the bottom of the ground film; then, the two movable rods are pressed down and rotated clockwise with the rotating shaft as the center, so that the ground film is picked up from the position between the lasso and the rotating shaft. At this time, the rotary blades and the rotating shaft are kept stationary, and a lasso is made to contact the ground film. Then, the two movable rods are rotated in the opposite direction by using the control component until the two cantilevers are rotated out from under the ground film, and at the same time, the movable rods are pushed upward counterclockwise with the rotating shaft as the center. Rotate, at this time, under the action of the limiting component, the movable rod drives the rotating shaft and the rotating blade to rotate counterclockwise synchronously, so that the protrusion drives the lasso to rotate the ground film into the ground, and then the whole machine moves forward, and the lasso underground automatically detaches from the protrusion, so that the ground film is rotated and fixed, so that the ground film forms a longitudinal enclosure and wrapping laying on the sand, and the connection between the lasso and the inside of the sand can be used to keep the ground film remaining on the outside of the sand in a closer contact with the surface of the sand, and the longitudinal enclosure and wrapping laying method is used to make the ground film of two adjacent laying units can be tightened against the ground, which has a good ground-adhering effect, reduces the chance of damage to the ground film in harsh environments, and plays a better role in sand fixation and water conservation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the present invention;

[0037] Figure 2 This is a first mechanical state diagram of laying ground film in an embodiment of the present invention;

[0038] Figure 3 A second mechanical state diagram of laying ground film in an embodiment of the present invention;

[0039] Figure 4 A third mechanical state diagram of ground film laying in an embodiment of the present invention;

[0040] Figure 5 Schematic diagram of the structure of the ratchet mechanism in an embodiment of the present invention.

[0041] Description of reference numerals:

[0042] 1. Keel; 2. Rotating shaft; 3. Rotating blade; 4. Protrusion; 5. Lasso; 6. Ratchet mechanism; 61. Chuck; 62. Notch; 63. Extension arm; 64. Flange; 65. Clamping hole; 7. Control component; 71. Sleeve; 72. Limiting groove; 73. Crossbeam; 74. Short handle; 8. Movable rod; 9. Cantilever; 10. Side plate; 11. Gripping hole; 12. Curved bottom plate; 13. Flat bottom plate; 14. Groove; 15. Roller. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0044] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0045] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0046] See also Figures 1 to 5 As shown, in order to quickly complete the longitudinal enclosing and wrapping of the ground film on the sand, the ground film laying efficiency is greatly improved, and the laying standards are ensured to be consistent. This embodiment provides a sand-fixing ground film laying device, including a keel 1 and a ground film burying device. The keel 1 is made by assembling, welding or stamping two side vertical plates 10 and a front curved bottom plate 12 and a rear flat bottom plate 13. It is a rigid supporting member with strong integrity and plays the role of connecting other components. The front end of the side vertical plate 10 realizes the installation of the ground film roll core through a clamping structure composed of a U-shaped groove 14 and a roller 15. The specific groove 14 is opened on the side vertical plate 10, and the roller 15 is rotatably connected in the groove 14. The roller 15 is used to be inserted with the end of the ground film roll core to realize the installation of the ground film roll core and the machine. For the sake of insurance, to ensure the stability of the ground film roll core, a limiting member is provided on the upper side of the notch of the groove 14. Preferably, the limiting member can use a circular clamp to limit the displacement of the roller 15. A circular shaft hole is provided in the middle of the side stand 10 for installing the rotating shaft 2, and a long hole 11 is provided at the rear end for the operator to grasp and lift the whole device upward and push it forward.

[0047] In order to further facilitate the rapid completion of the longitudinal enclosing and laying of the ground film on the sand, the ground film burying device in the machine includes a roller assembly, a lasso 5, a ratchet mechanism 6 and a control rod assembly.

[0048] See also Figures 1 to 4As shown, the roller assembly includes a rotating shaft 2 and two rotating blades 3. The rotating shaft 2 is rotatably connected to the opposite side walls of the keel 1 through the axial hole on the side vertical plate 10, and the rotating shaft 2 is parallel to the ground film roll core. The two rotating blades 3 are respectively fixed on the two ends of the rotating shaft 2. The rotating shaft 2 and the two rotating blades 3 are prefabricated, welded or assembled as a whole. At least one protrusion 4 is fixed to the side of the rotating blade 3, and the distances between the two protrusions 4 and the rotating shaft 2 are equal, and the distance between the protrusion 4 and the rotating shaft 2 is greater than the distance from any position of the rotating blade 3 to the rotating shaft 2, and the protrusions 4 on the two rotating blades 3 are arranged opposite to each other; the lasso 5 is fixed around the two protrusions 4 arranged opposite to each other in the two rotating blades 3, and the preferred lasso 5 is a thin wire with high tensile strength, which is manually sleeved on the protrusion 4 part of the rotating blade 3; the ratchet mechanism 6 is arranged between the rotating shaft 2 and the inner wall of the rotating blade 3, and the ratchet mechanism 6 is used to control the rotating shaft 2 to rotate in a single direction; the control rod assembly includes a control component 7, two movable rods 8 and a cantilever 9 arranged on each movable rod 8, the two movable rods 8 are parallel and rotatably connected to the two ends of the rotating shaft 2, and the movable rod 8 is located on the upper side of the rotating shaft 2, the cantilever 9 is fixed to the lower end of the movable rod 8, and the upper ends of the two movable rods 8 are connected through the control component 7, and the control component 7 is used to realize the steering of the two cantilever members 9 by controlling the rotation of the two movable rods 8.

[0049] See also Figure 4 and Figure 5 As shown, further, in order to realize the rotation of the rotary vane 3 in a single direction, the ratchet mechanism 6 includes a chuck 61 , an extension arm 63 , a flange 64 and a chuck hole 65 provided on the rotary vane 3 . Preferably, at least one chuck 61 is provided. When there is one chuck 61, an axial hole is provided on the side wall of the chuck 61. The chuck 61 is mounted on the rotating shaft 2 through the axial hole and the two are rotatably connected. The chuck 61 fits with one of the rotating blades 3. A notch 62 is provided on the chuck 61, and the notch 62 is connected to the axial hole. The chuck 61 is located on both sides of the notch 62 and is fixedly connected with an extension arm 63 respectively. Each extension arm 63 is provided with a flange 64 on the side facing the rotating blade 3, and the flange 64 is hinged to the extension arm 63; a plurality of clamping holes 65 are provided on the rotating blade 3, which are distributed on the side wall of the rotating blade 3 in a circular array along the rotating shaft 2, and two flanges 64 are respectively matched with one clamping hole 65. When the chuck 61 rotates counterclockwise, the two flanges 64 are respectively clamped with the corresponding clamping holes 65, and when the chuck 61 rotates clockwise, the two flanges 64 are separated from the clamping holes 65. Preferably, two chucks 61 are generally provided in practical applications. When there are two chucks 61, the two chucks 61 are arranged in a one-to-one correspondence with the two rotating blades 3 to ensure the stability of the operation. Thus, the ratchet mechanism 6 is formed by the chuck 61, the extension arm 63, the flange 64 and the clamping hole 65 provided on the rotating blade 3. When rotating in the counterclockwise direction, the rotating shaft 2 and the rotating blade 3 can be driven to rotate synchronously, but when rotating in the clockwise direction, they cannot be driven.

[0050] See also Figure 1As shown, further, in order to improve the efficiency of laying the ground film, the rotary blade 3 is preferably set to an equilateral triangle, and a protrusion 4 is fixed on the outer side of each corner of the rotary blade 3. The design of the equilateral triangle can realize the installation of at least three lassoes 5, that is, three times of longitudinal enclosure and laying of sand is realized, which improves work efficiency. At the same time, the equilateral triangle is used to make two adjacent lassoes 5 have a larger working space and can maintain the consistency of laying.

[0051] See also Figure 1 As shown, further, in order to facilitate lifting of the ground film before laying, the cantilever member 9 is V-shaped and has two intersecting cantilever plates, and the ends of the two cantilever plates away from the intersection are fixedly connected to the movable rod 8.

[0052] See also Figure 1 As shown, further, in order to prevent the lasso 5 from remaining stable when rotating toward the inside of the sand and falling off, causing paving failure, the protrusion 4 is in the shape of a trapezoid, having a first bottom side, a second bottom side and two waist sides, the length of the first bottom side is less than the length of the second bottom side, the first bottom side is fixedly connected to the rotary blade 3, and an angle is set between the two waist sides and the rotary blade 3. Preferably, in order to ensure that the lasso 5 can fall off and fix the ground film in the sand when the machine moves, the angle between the rotary blade 3 and the waist side is recommended to be set between 120 degrees and 145 degrees.

[0053] See also Figures 2 to 4 As shown, further, in order to facilitate the rotation of the cantilever 9, the control component 7 includes two sleeves 71, a crossbeam 73 and two short handles 74. The two sleeves 71 correspond to the two movable rods 8 one by one, the sleeve 71 is sleeved on the end of the movable rod 8 away from the cantilever 9, and the sleeve 71 is rotatably connected to the movable rod 8, and a limiting groove 72 is provided on the side wall of the sleeve 71; the crossbeam 73 is fixedly connected between the two sleeves 71; the two short handles 74 correspond to the two sleeves 71 one by one, and the short handles 74 pass through the limiting groove 72 on the sleeve 71 and are fixedly connected to the movable rod 8.

[0054] See also Figures 1 to 5 As shown, according to the above-mentioned sand-fixing ground film laying device, the method for laying ground film includes the following steps:

[0055] S1, the mobile device as a whole reaches the designated position, the ground film roll core is installed on the front side of the keel 1 through the clamping structure, and then the starting end of the ground film on the ground film roll core is pulled through the rotating shaft 2;

[0056] S2, put the lasso 5 on the protrusions 4 corresponding to the two rotary blades 3, and adjust the rotary blades 3 so that the lasso 5 is close to one side of the clamping structure and is placed on the upper side of the ground film;

[0057] S3, adjusting the control component 7 to rotate the two movable rods 8 toward each other until the two cantilever members 9 are placed at the bottom of the ground film;

[0058] S4, press down the two movable rods 8 to rotate clockwise around the rotating shaft 2, lift the ground film from the side close to the lasso 5, and keep the rotating blade 3 and the rotating shaft 2 stationary through the action of the limit assembly;

[0059] S5, adjusting the control component 7 to make the two movable rods 8 rotate in the opposite direction until the two cantilever members 9 are rotated out from under the ground film;

[0060] S6, push the movable rod 8 upward to rotate counterclockwise with the rotating shaft 2 as the center. At this time, under the action of the limit assembly, the movable rod 8 drives the rotating shaft 2 and the rotating blade 3 to rotate counterclockwise synchronously, so that the protrusion 4 drives the lasso 5 to rotate the ground film into the ground;

[0061] S7, when the ground film is inserted into the ground, the device is pushed forward as a whole through the gripping hole 11, and the lasso 5 in the ground automatically detaches from the protrusion 4, so that the ground film is fixed by one rotation and insertion;

[0062] S8, after the lasso 5 is detached, the protrusion 4 is reset by adjusting the cooperation of the control component 7, the limiting component and the movable rod 8, and the above steps S2-S7 are repeated to enter the next section of the ground film for rotation and fixing.

[0063] In summary, the above-mentioned machinery and method of use are not only low-cost and easy to produce, but also simple to operate and adapt to any sand dune slope. They can quickly complete the longitudinal enclosure and laying of ground film on the sand, which can greatly improve the efficiency of ground film laying and ensure its consistent laying standards.

[0064] Furthermore, the above-mentioned laying method can be used to realize the ground film being rotated and fixed in the sand, so that the ground film forms a longitudinal enclosure and wrapping laying on the sand, and the connection between the lasso 5 and the inside of the sand can keep the ground film remaining on the outside of the sand in a closer contact with the surface of the sand, and the longitudinal enclosure and wrapping laying method can make the ground film of two adjacent laying units can be tightened against the ground, which has a good ground-adhering effect, reduces the chance of damage to the ground film in harsh environments, and plays a better role in sand fixation and water conservation.

[0065] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sand-fixing ground film laying device, comprising a keel (1) and a ground film burying device, characterized in that: The ground film embedding device comprises: A roller assembly comprises a rotating shaft (2) and two rotating blades (3), wherein the rotating shaft (2) is rotatably connected to opposite side walls of the keel (1), and the two rotating blades (3) are respectively fixed on the two ends of the rotating shaft (2), and at least one protrusion (4) is fixed on the side of each rotating blade (3), and the two protrusions (4) are equidistant from the rotating shaft (2), and the protrusions (4) on the two rotating blades (3) are arranged opposite to each other; A lasso (5) is looped and fixed on two protrusions (4) arranged opposite to each other in the two rotating blades (3); A ratchet mechanism (6) is arranged between the rotating shaft (2) and the inner wall of the rotating blade (3), and the ratchet mechanism (6) is used to control the rotating shaft (2) to rotate in a single direction; A control rod assembly comprises a control component (7), two movable rods (8) and a cantilever member (9) arranged on each movable rod (8), wherein the two movable rods (8) are parallel and rotatably connected to the two ends of the rotating shaft (2), and the movable rods (8) are located on the upper side of the rotating shaft (2), the cantilever member (9) is fixed to the lower end of the movable rod (8), and the upper ends of the two movable rods (8) are connected via the control component (7), and the control component (7) is used to realize the steering of the two cantilever members (9) by controlling the rotation of the two movable rods (8).

2. The sand-fixing mulch film laying device according to claim 1, characterized in that: The ratchet mechanism (6) comprises: At least one chuck (61) has a shaft hole on its side wall, the chuck (61) is sleeved on the rotating shaft (2) through the shaft hole and the two are rotatably connected, the chuck (61) is in contact with one of the rotating blades (3), and a notch (62) is formed on the chuck (61), and the notch (62) is connected to the shaft hole; Two extension arms (63) are respectively fixedly connected to both sides of the notch (62) of the chuck (61); each extension arm (63) is provided with a flange (64) on the side facing the rotary blade (3); the flange (64) is hinged to the extension arm (63); A plurality of latching holes (65) are arranged in an array along the circumference of the rotating shaft (2) on the side wall of the rotating blade (3); the two flanges (64) respectively cooperate with one of the latching holes (65); when the chuck (61) rotates counterclockwise, the two flanges (64) respectively engage with the corresponding latching holes (65); when the chuck (61) rotates clockwise, the two flanges (64) disengage from the latching holes (65).

3. The sand-fixing mulch film laying device according to claim 1, characterized in that: The rotary blade (3) is an equilateral triangle, and a protrusion (4) is fixed to the outer side of each corner of the rotary blade (3), and the protrusions (4) on the two rotary blades (3) are arranged relatively to each other in a one-to-one correspondence.

4. The sand-fixing mulch film laying device according to claim 1, characterized in that: The cantilever member (9) is V-shaped and has two intersecting cantilever plates, and the ends of the two cantilever plates away from the intersection are both fixedly connected to the movable rod (8).

5. The sand-fixing mulch film laying device according to claim 1, characterized in that: The protrusion (4) is in the shape of a trapezoid, and has a first bottom side, a second bottom side and two waist sides, the length of the first bottom side is smaller than the length of the second bottom side, the first bottom side is fixedly connected to the rotating blade (3), and an angle is provided between the two waist sides and the rotating blade (3).

6. A method for laying ground film using a sand-fixing ground film laying apparatus according to any one of claims 1 to 5, characterized in that: The following steps are involved: S1, install the ground film roll core on one side of the keel (1), keep the ground film roll core parallel to the rotating shaft (2), and pull the starting end of the ground film from the ground film roll core to pass through the bottom of the rotating shaft (2); S2, putting the lasso (5) on the protrusions (4) corresponding to the two rotary blades (3), and adjusting the rotary blades (3) so that the lasso (5) is close to one side of the ground film roll core and is placed on the upper side of the ground film; S3, adjusting the control component (7) to rotate the two movable rods (8) toward each other until the two cantilevered parts (9) are placed at the bottom of the ground film; S4, press down the two movable rods (8) to rotate clockwise with the rotating shaft (2) as the center, and lift the ground film from the position between the lasso (5) and the rotating shaft (2). At this time, keep the rotating blades (3) and the rotating shaft (2) stationary; S5, adjusting the control component (7) to make the two movable rods (8) rotate in opposite directions until the two cantilevered parts (9) rotate out from under the ground film, and pushing the movable rod (8) upward to rotate counterclockwise with the rotating shaft (2) as the center of the circle. At this time, under the action of the limit assembly, the movable rod (8) drives the rotating shaft (2) and the rotating blade (3) to rotate counterclockwise synchronously, so that the protrusion (4) drives the lasso (5) to rotate the ground film into the ground; S6, when the ground film is inserted into the ground, the device is pushed forward as a whole through the gripping hole (11), and the lasso (5) in the ground automatically detaches from the protrusion (4), so that the ground film is fixed by one rotation and insertion; S7, after the lasso (5) is detached, the protrusion (4) is reset by cooperating with the control component (7), the limit component and the movable rod (8), and the above steps S2-S6 are repeated to enter the next section of the ground film for rotation and fixing.

Images