A film covering device for agricultural planting

Abstract

The present invention relates to the field of agricultural film covering technology, and in particular to a film covering equipment for agricultural planting, comprising a frame, wherein two symmetrically arranged slide plates are slidably connected to the inner side of the frame, and the bottom ends of the two slide plates are fixedly connected to a roller mounting frame for placing a film roller, the bottom end of the frame is fixedly connected to a moving wheel, and the front end of the frame is fixedly connected to a pull ring, and the forward movement of the film covering equipment is achieved by traction of the pull ring, the bottom end of the slide plate is fixedly connected to a soil-breaking guide plate and a conveying cylinder, the top end of the slide plate is fixedly connected to a water tank, the inner side of the soil-breaking guide plate is provided with a guide groove, the cross-section of the guide groove is arranged in a "U" shape, one end of the conveying cylinder is connected to the inner side of the guide groove, the inner side of the conveying cylinder is rotatably connected to a spiral conveying rod, the upper rear end of the spiral conveying rod is connected to the water tank, and a water outlet valve is arranged at the connection between the spiral conveying rod and the water tank, and the lower rear end of the spiral conveying rod is connected to a discharge pipe.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural film covering, in particular to a film covering device for agricultural planting. Background Art

[0002] Film mulching is a vital agronomic measure in agricultural production. It plays an outstanding role in regulating ground temperature and conserving water and fertilizer. Especially in agricultural planting in arid and low-temperature areas, the effect of film mulching is more obvious, which greatly extends the cultivation period of crops, saves agricultural water, improves the ability to resist agricultural disasters, and ensures increased and stable yields of crops.

[0003] like Figure 1 As shown, when covering the plants, the film 2 needs to be covered on the growth area 1 of the plants. The film extends in a straight line along the planting direction of the plants until the growth area 1 is completely covered. Adding soil 17 on both sides of the film 2 can effectively prevent the film from falling off due to weather reasons. There are two types of coverings: indoor covering and outdoor covering. For outdoor covering, due to the existence of wind and rain, the covering needs to meet higher strength requirements to prevent the film from being blown away by the wind.

[0004] Therefore, in view of the above problems, a film covering device for agricultural planting is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a film covering equipment for agricultural planting to solve the problem raised in the above background technology that "when covering plants, the film needs to be covered on the growth area of ​​the plants, and the film extends in a straight line along the planting direction of the plants until the growth area is completely covered. Adding soil on both sides of the film can effectively prevent the film from falling off due to weather reasons. There are two types of film covering: indoor film covering and outdoor film covering. For outdoor film covering, due to the presence of wind and rain, the film covering needs to meet higher strength requirements to prevent the film from being blown away by the wind."

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a film covering device for agricultural planting, comprising a frame, wherein two symmetrically arranged slide plates are slidably connected to the inner side of the frame, and the bottom ends of the two slide plates are fixedly connected to a roller placing frame for placing a film roller, the bottom end of the frame is fixedly connected to a moving wheel, and the front end of the frame is fixedly connected to a pull ring, and the film covering device is moved forward by the traction of the pull ring;

[0007] The bottom end of the slide plate is fixedly connected with a soil-breaking guide plate and a conveying cylinder, the top end of the slide plate is fixedly connected with a water tank, a guide groove is provided on the inner side of the soil-breaking guide plate, and the cross-section of the guide groove is U-shaped, one end of the conveying cylinder is connected with the inner side of the guide groove, and a spiral conveying rod is rotatably connected to the inner side of the conveying cylinder, the upper side of the rear end of the spiral conveying rod is connected with the water tank, and a water outlet valve is provided at the connection between the spiral conveying rod and the water tank, the lower side of the rear end of the spiral conveying rod is connected with a discharge pipe, and the inner side of the slide plate is slidably connected with a digging pipe.

[0008] As an optional solution of the film covering equipment for agricultural planting described in the present invention, the conveying cylinder is arranged on the upper side of the roller frame, the conveying cylinder is arranged between two roller frames, the digging pipe is arranged between the discharge pipe and the soil breaking guide plate, and the discharge pipe, the soil breaking guide plate and the digging pipe are on the same plane.

[0009] Under the above settings, when the present invention is used, the frame is moved to the starting point of the film coating. The movement of the frame is achieved by a traction device, or by human pulling. The frame is connected to the pull ring of the frame through a connecting piece, so as to achieve traction of the frame. When in use, according to the size of the planted vegetables, the film roller is placed on the roller rack, a part of the film roller is released, and the released part is pressed by the soil to be fixed, and the frame is pulled. During the movement of the frame, the film roller on the roller rack will rotate under the traction to release the film;

[0010] During the process of the frame being pulled along the direction in which the plants are planted, the digging tube can move up and down to make digging holes on both sides of the membrane;

[0011] When the frame is pulled along the direction of plant planting, the soil-breaking guide plate at the front side of the bottom end of the frame is inserted into the mud to break the mud in the growth area and leave a groove in the growth area. At the same time, because there are enclosures on both sides of the soil-breaking guide plate and a guide groove is opened in the middle, the cross-section of the guide groove is set in a "U" shape, and the broken soil will rise along the guide groove to a certain extent;

[0012] During the process of the frame being pulled along the direction of plant planting, the spiral conveying rod in the conveying cylinder rotates. Since one end of the conveying cylinder is connected to the inner side of the guide groove, the rotation of the spiral conveying rod will convey the soil in the guide groove to the rear side. During the conveying process, the water outlet valve opens. With the opening of the water outlet valve, the water in the water storage tank will first enter the inner side of the conveying cylinder and mix with the soil. The mixed soil is discharged through the discharge pipe.

[0013] Because the hole-digging pipe is arranged between the discharge pipe and the earth-breaking guide plate, the discharge pipe, the earth-breaking guide plate and the hole-digging pipe are on the same plane, the falling wet soil will fall on both sides of the membrane and make both sides of the membrane enter the groove, wherein the width of the membrane should exceed a certain distance of the earth-breaking guide plate, so that both sides of the membrane can completely enter the groove, after the membrane enters the groove, it can play a certain "anchoring" role, to prevent wind and rain from carrying away the soil on both sides of the membrane, causing the problem of easy detachment of the membrane, the wet soil will pass through the digging hole and connect with the soil inside the bottom end of the groove, so that the soil on the upper and lower sides of the membrane are combined together, further enhancing the "anchoring" effect of the groove on the membrane;

[0014] As an optional solution of the film covering equipment for agricultural planting described in the present invention, the soil-breaking guide plate is arranged in an arc shape, and the bottom end of the soil-breaking guide plate can be inserted into the mud. When passing through the growth area, it can leave a groove on the growth area. The arc-shaped soil-breaking guide plate can also play a role in guiding the direction of the soil.

[0015] As an optional solution of the film covering equipment for agricultural planting described in the present invention, the side of the soil-breaking guide plate facing the pull ring is provided with an inclined surface, and the angle formed by the inclined surface and the bottom end of the soil-breaking guide plate is an acute angle. When the inclined surface passes through the growth area, the side of the groove facing the pull ring can have a chamfered edge.

[0016] Under the above configuration, the present invention provides an inclined surface on the side of the soil breaking guide plate facing the pull ring. When the inclined surface passes through the growth area, a chamfered edge can appear on the side of the slot facing the pull ring. When both sides of the membrane are embedded in the slot, under the action of the chamfered edge, when the membrane is subjected to force, the change in the force angle and the increase in the force area can greatly increase the resistance of the membrane to leave the slot, thereby further playing an "anchoring" role.

[0017] As an optional solution of the film covering equipment for agricultural planting described in the present invention, a second motor is fixedly connected to the outer side of the frame, a screw is fixedly connected to the end of the main shaft of the second motor, both sides of the screw are spirally connected to the slides on both sides respectively, the thread directions on both sides of the screw are opposite, and the relative movement of the two slides is achieved by the rotation of the second motor.

[0018] Under the above setting, the coating width in the present invention can be adjusted as needed. A second motor is fixedly connected to the outside of the frame. When the second motor rotates, it can drive the screw to rotate. Because the threads on both sides of the screw are in opposite directions, the rotation of the screw will cause the two slides to move relative to each other to achieve adjustment of the coating width.

[0019] As an optional solution of the film covering equipment for agricultural planting described in the present invention, one end of the conveying cylinder is fixedly connected to a third motor, and the end of the main shaft of the third motor is fixedly connected to one end of the spiral conveying rod.

[0020] Under the above arrangement, the rotation of the screw conveying rod is driven by the third motor;

[0021] As an optional solution of the film covering equipment for agricultural planting described in the present invention, a spring is arranged on the outer side of the digging tube, and the two ends of the spring are respectively fixedly connected to the top end of the slide plate and the bottom end of the top plate, and the digging tube can reciprocate up and down on the inner side of the slide plate.

[0022] As an optional solution of the film covering equipment for agricultural planting described in the present invention, the bottom end of the hole-digging tube is arranged in a spike shape, and the top end of the hole-digging tube is fixedly connected to a top plate, and holes are formed on both sides of the film through the reciprocating motion of the hole-digging tube.

[0023] As an optional solution of the film covering equipment for agricultural planting described in the present invention, the top of the frame is fixedly connected to a first motor, the end of the main shaft of the first motor is fixedly connected to a rotating rod, the outer side of the rotating rod is slidably connected to a cam, a through hole is opened on the inner side of the cam, the inner edge of the through hole coincides with the outer side of the rotating rod, the cam can slide to the upper side of the top plate, and the reciprocating motion of the digging tube is realized by the rotation and downward pressure of the cam.

[0024] Under the above setting, the hole digging is realized in that the first motor rotates, the rotation of the first motor drives the rotating rod to rotate, the rotation of the rotating rod drives the cam to rotate, during the rotation of the cam, the downward pressure of the cam protrusion causes the digging tube to move downward to realize the hole digging, after the cam protrusion slides over the top plate, the spring on the outside of the digging tube resets the digging tube, thereby realizing the continuous reciprocating motion of the digging tube, and digging holes on both sides of the membrane uninterruptedly, the outer side of the rotating rod is slidably connected with the inner side of the cam, so that the position of the cam can be adjusted following the movement of the position of the slide plate;

[0025] As an optional solution of the film covering equipment for agricultural planting described in the present invention, a liquid channel is opened on the inner side of the cam, a sliding rod is slidably connected to the liquid channel on the side facing the through hole, a rubber pad is fixedly connected to the sliding rod on the side facing the through hole, and a turning handle is spirally connected to the inner side of the other end of the liquid channel, and the pressing force of the rubber pad on the turning rod is changed by rotating the turning handle to make the turning handle enter and exit the liquid channel, and the cross-section of the turning rod is set to be a regular hexagon.

[0026] Under the above-mentioned setting, in order to prevent the cam from being displaced and leaving the top plate during the rotation process, the present invention has a liquid channel on the inner side of the cam, the liquid channel is filled with hydraulic oil, the liquid channel is slidably connected to a sliding rod on the side facing the through hole, and the sliding rod is fixedly connected to a rubber pad on the side facing the through hole. When the turning handle is turned to enter the liquid channel, the pressure in the liquid channel increases, and the pressure acts on the rubber pad to achieve compression of the turning rod. At this time, the cam and the turning rod are fixed. When the turning handle is turned to leave the liquid channel, the pressure in the liquid channel decreases, the pressure is released, and the clamping force of the rubber pad on the turning rod is reduced. At this time, the cam and the turning rod can slide. When the cross-section of the turning rod is set to be a regular hexagon, the transmission of torque can be guaranteed.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. When the present invention is used, the frame is moved to the starting point of the film coating. The movement of the frame is achieved by a traction device or by human pulling. The frame is connected to the pull ring of the frame through a connecting piece to achieve traction of the frame. When in use, the film roller is placed on the roller frame according to the size of the planted vegetables. A part of the film roller is released, and the released part is pressed by the soil to achieve fixation, and the frame is pulled. During the movement of the frame, the film roller on the roller frame will rotate under the traction action to release the film. During the traction of the frame along the direction in which the plant is planted, the digging tube can move up and down to open holes on both sides of the film. During the traction of the frame along the direction in which the plant is planted, the soil-breaking guide plate on the front side of the bottom end of the frame is inserted into the mud to break the mud in the growth area and leave a groove in the growth area. At the same time, because there are enclosures on both sides of the soil-breaking guide plate and a guide groove is opened in the middle, the cross-section of the guide groove is set in a "U" shape, and the broken soil will rise along the guide groove to a certain extent.

[0029] 2. In this film covering equipment for agricultural planting, when the frame is pulled along the direction of plant planting, the spiral conveying rod in the conveying cylinder rotates. Since one end of the conveying cylinder is connected to the inner side of the guide groove, the rotation of the spiral conveying rod will transport the soil in the guide groove to the rear side. During the transportation process, the water outlet valve opens. As the water outlet valve opens, the water in the water storage tank will first enter the inner side of the conveying cylinder and mix with the soil. The mixed soil is discharged through the discharge pipe.

[0030] 3. This kind of film covering equipment for agricultural planting has a hole-digging pipe arranged between the discharge pipe and the soil-breaking guide plate, and the discharge pipe, the soil-breaking guide plate and the hole-digging pipe are on the same plane. The fallen wet soil will fall on both sides of the film and make both sides of the film enter the groove, wherein the width of the film should exceed the soil-breaking guide plate by a certain distance, so that both sides of the film can completely enter the groove. After the film enters the groove, it can play a certain "anchoring" role to prevent wind and rain from carrying away the soil on both sides of the film, causing the problem of easy detachment of the film. The wet soil will pass through the holes and connect with the soil on the inner side of the bottom end of the groove, so that the soil on the upper and lower sides of the film are combined together, further enhancing the "anchoring" effect of the groove on the film.

[0031] 4. The film covering equipment for agricultural planting of the present invention is provided with an inclined surface on the side of the soil-breaking guide plate facing the pull ring. When the inclined surface passes through the growth area, a chamfered edge can appear on the side of the groove facing the pull ring. When both sides of the film are embedded in the groove, under the action of the chamfered edge, when the film is subjected to force, the change in the force angle and the increase in the force area can greatly increase the resistance of the film to leave the groove, thereby further playing an "anchoring" role.

[0032] 5. In this film covering equipment for agricultural planting, the hole digging is achieved by rotating the first motor, which drives the rotating rod to rotate, and the rotation of the rotating rod drives the cam to rotate. During the rotation of the cam, the downward pressure of the cam protrusion will cause the digging tube to move downward to dig holes. After the cam protrusion slides over the top plate, the spring on the outside of the digging tube will reset the digging tube, thereby realizing continuous reciprocating motion of the digging tube and continuously digging holes on both sides of the film. The sliding connection between the outer side of the rotating rod and the inner side of the cam can adjust the position of the cam by following the movement of the position of the slide plate.

[0033] 6. In order to prevent the cam from being displaced and leaving the top plate during rotation, a film covering device for agricultural planting is provided with a liquid channel on the inner side of the cam of the present invention. The liquid channel is filled with hydraulic oil. A sliding rod is slidably connected to the side of the liquid channel facing the through hole. A rubber pad is fixedly connected to the side of the sliding rod facing the through hole. When the turning handle is turned to enter the liquid channel, the pressure in the liquid channel increases, and the pressure acts on the rubber pad to press the turning rod. At this time, the cam and the turning rod are fixed. When the turning handle is turned to leave the liquid channel, the pressure in the liquid channel decreases, the pressure is released, and the pressing force of the rubber pad on the turning rod decreases. At this time, the cam and the turning rod can slide. When the cross-section of the turning rod is set in a regular hexagon, the transmission of torque can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the existing film installation structure;

[0035] Figure 2 It is a schematic diagram of the coating structure in the present invention;

[0036] Figure 3 It is a schematic diagram of the overall installation structure of the film laminating device of the present invention;

[0037] Figure 4 It is a schematic diagram of the side cross-sectional installation structure of the membrane structure slide plate of the present invention;

[0038] Figure 5 It is a schematic diagram of the appearance structure of the slide plate in the laminating device of the present invention;

[0039] Figure 6 It is a schematic diagram of the installation structure of the spiral conveying rod in the film coating device of the present invention;

[0040] Figure 7 This is a schematic diagram of the installation structure of the hole-digging pipe of the present invention;

[0041] Figure 8 This is a schematic diagram of the appearance structure of the earth-breaking guide plate of the present invention;

[0042] Fig. 9 It is a schematic diagram of a further installation structure of the earth-breaking guide plate of the present invention;

[0043] Fig.10 It is a schematic diagram of the internal installation structure of the cam of the present invention;

[0044] Fig.11 It is a schematic diagram of a further installation structure of the rotating rod of the present invention;

[0045] Fig.12 It is a schematic diagram of the cross-sectional installation structure of the slotted portion of the present invention.

[0046] In the figure: 1, growth area; 2, membrane; 3, frame; 4, slide plate; 5, pull ring; 6, first motor; 7, soil-breaking guide plate; 71, guide groove; 72, inclined surface; 8, roller frame; 9, digging pipe; 10, moving wheel; 11, spring; 12, second motor; 13, top plate; 14, water tank; 15, cam; 16, screw; 17, soil; 18, digging holes; 19, water outlet valve; 20, third motor; 21, conveying cylinder; 22, screw conveying rod; 23, turning handle; 24, liquid channel; 25, sliding rod; 26, rubber pad; 27, through hole; 28, discharge pipe; 29, turning rod; 30, slotting; 301, chamfered edge. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Example 1

[0049] See also Figure 1-12 , the present invention provides a technical solution:

[0050] A film covering device for agricultural planting, comprising a frame 3, two symmetrically arranged slide plates 4 are slidably connected to the inner side of the frame 3, the bottom ends of the two slide plates 4 are fixedly connected to a roller placing frame 8 for placing a film roller, the bottom end of the frame 3 is fixedly connected to a moving wheel 10, the front end of the frame 3 is fixedly connected to a pull ring 5, and the film covering device is moved forward by the traction of the pull ring 5;

[0051] The bottom end of the above-mentioned slide plate 4 is fixedly connected with the earth-breaking guide plate 7 and the conveying cylinder 21, and the top end of the above-mentioned slide plate 4 is fixedly connected with the water tank 14. A guide groove 71 is opened on the inner side of the above-mentioned earth-breaking guide plate 7, and the cross-section of the above-mentioned guide groove 71 is set in a "U" shape. One end of the above-mentioned conveying cylinder 21 is connected with the inner side of the guide groove 71, and the inner side of the above-mentioned conveying cylinder 21 is rotatably connected with a spiral conveying rod 22. The upper side of the rear end of the above-mentioned spiral conveying rod 22 is connected with the water tank 14, and a water outlet valve 19 is provided at the connection point between the spiral conveying rod 22 and the water tank 14, and the lower side of the rear end of the spiral conveying rod 22 is connected with a discharge pipe 28, and the inner side of the above-mentioned slide plate 4 is slidably connected with a digging pipe 9.

[0052] Specifically, the conveying cylinder 21 is arranged on the upper side of the roller frame 8, the conveying cylinder 21 is arranged between the two roller frames 8, the digging pipe 9 is arranged between the discharge pipe 28 and the earth-breaking guide plate 7, and the discharge pipe 28, the earth-breaking guide plate 7 and the digging pipe 9 are on the same plane.

[0053] Under the above settings, when the present invention is used, the frame 3 is moved to the starting point of the film coating. The movement of the frame 3 is achieved by a traction device, or by human pulling. The frame 3 is connected to the pull ring 5 of the frame 3 through a connecting piece, thereby achieving traction of the frame 3. When in use, according to the size of the planted vegetables, the film roller is placed on the roller rack 8, a part of the film roller is released, and the released part is pressed by the soil (17) to achieve fixation, and the frame 3 is pulled. During the movement of the frame 3, the film roller on the roller rack 8 will rotate under the traction to release the film 2;

[0054] During the process of the frame 3 being pulled along the direction in which the plants are planted, the digging tube 9 can move up and down to make digging holes 18 on both sides of the membrane 2;

[0055] When the frame 3 is pulled along the direction in which the plants are planted, the soil-breaking guide plate 7 at the front side of the bottom end of the frame 3 is inserted into the mud to break the mud in the growing area 1 and leave a groove 30 in the growing area 1. At the same time, because there are enclosures on both sides of the soil-breaking guide plate 7, a guide groove 71 is opened in the middle. The cross section of the guide groove 71 is set in a "U" shape, and the broken soil 17 will rise along the guide groove 71 to a certain extent.

[0056] During the process of the frame 3 being pulled along the direction in which the plants are planted, the spiral conveying rod 22 in the conveying cylinder 21 rotates. Since one end of the conveying cylinder 21 is connected to the inner side of the guide groove 71, the rotation of the spiral conveying rod 22 will convey the soil 17 in the guide groove 71 to the rear side. During the conveying process, the water outlet valve 19 opens. With the opening of the water outlet valve 19, the water in the water storage tank 14 will first enter the inner side of the conveying cylinder 21 and mix with the soil 17. The mixed soil 17 is discharged through the discharge pipe 28.

[0057] Because the hole-digging pipe 9 is arranged between the discharge pipe 28 and the earth-breaking guide plate 7, the discharge pipe 28, the earth-breaking guide plate 7 and the hole-digging pipe 9 are on the same plane, the falling wet soil 17 will fall on both sides of the membrane 2, and make both sides of the covered membrane enter into the groove 30, wherein the width of the membrane 2 should exceed the earth-breaking guide plate 7 by a certain distance, so that both sides of the membrane 2 can completely enter into the groove 30, after the membrane 2 enters into the groove 30, it can play a certain "anchoring" role, to prevent the wind and rain from carrying away the soil 17 on both sides of the membrane 2, causing the problem of easy detachment of the membrane 2, the wet soil 17 will pass through the digging hole 18 and connect with the soil 17 on the inner side of the bottom end of the groove 30, so that the soil 17 on the upper and lower sides of the membrane 2 are combined together, further enhancing the "anchoring" effect of the groove 30 on the membrane 2;

[0058] Specifically, the above-mentioned earth-breaking guide plate 7 is arranged in an arc shape, and the bottom end of the above-mentioned earth-breaking guide plate 7 can be inserted into the mud. When passing through the growth area 1, a groove 30 can be left on the growth area 1. The arc-shaped earth-breaking guide plate 7 can also play a role in guiding the direction of the soil 17.

[0059] Specifically, a second motor 12 is fixedly connected to the outer side of the frame 3, and a screw 16 is fixedly connected to the end of the main shaft of the second motor 12. Both sides of the screw 16 are spirally connected to the skateboards 4 on both sides respectively. The thread directions on both sides of the screw 16 are opposite, and the relative movement of the two skateboards 4 is achieved by the rotation of the second motor 12.

[0060] Under the above settings, the coating width in the present invention can be adjusted as needed. A second motor 12 is fixedly connected to the outer side of the frame 3. When the second motor 12 rotates, it can drive the screw 16 to rotate. Because the thread directions on both sides of the screw 16 are opposite, when the screw 16 rotates, the relative movement of the two slides 4 can be caused to achieve adjustment of the coating width.

[0061] Specifically, one end of the conveying cylinder 21 is fixedly connected to the third motor 20 , and the end of the main shaft of the third motor 20 is fixedly connected to one end of the spiral conveying rod 22 .

[0062] Under the above arrangement, the rotation of the screw conveying rod 22 is driven by the third motor 20;

[0063] Specifically, a spring 11 is provided on the outer side of the above-mentioned hole-digging tube 9 , and the two ends of the above-mentioned spring 11 are fixedly connected to the top end of the slide plate 4 and the bottom end of the top plate 13 respectively, so that the hole-digging tube 9 can reciprocate up and down on the inner side of the slide plate 4 .

[0064] Specifically, the bottom end of the perforated tube 9 is shaped like a spike, and the top end of the perforated tube 9 is fixedly connected to a top plate 13 , so that the perforated tube 9 can reciprocate to form the perforated holes 18 on both sides of the membrane 2 .

[0065] Specifically, the top of the frame 3 is fixedly connected to the first motor 6, the end of the main shaft of the first motor 6 is fixedly connected to the rotating rod 29, the outer side of the rotating rod 29 is slidably connected to the cam 15, the inner side of the cam 15 is provided with a through hole 27, the inner edge of the through hole 27 coincides with the outer side of the rotating rod 29, the cam 15 can slide to the upper side of the top plate 13, and the reciprocating motion of the digging tube 9 is realized by the rotation and downward pressure of the cam 15.

[0066] Under the above setting, the hole digging 18 is realized in that the first motor 6 rotates, and the rotation of the first motor 6 drives the rotating rod 29 to rotate, and the rotation of the rotating rod 29 drives the cam 15 to rotate. During the rotation of the cam 15, the downward pressure of the protrusion of the cam 15 causes the digging tube 9 to move downward to realize digging holes. After the protrusion of the cam 15 slides over the top plate 13, the spring 11 on the outside of the digging tube 9 resets the digging tube 9, thereby realizing the continuous reciprocating movement of the digging tube 9, and digging holes on both sides of the membrane 2 uninterruptedly. The outer side of the rotating rod 29 is slidably connected to the inner side of the cam 15, so that the position of the cam 15 can be adjusted following the movement of the position of the slide plate 4.

[0067] Specifically, a liquid channel 24 is opened on the inner side of the cam 15, and a slide rod 25 is slidably connected to the side of the liquid channel 24 facing the through hole 27, and a rubber pad 26 is fixedly connected to the side of the slide rod 25 facing the through hole 27. A turning handle 23 is spirally connected to the inner side of the other end of the liquid channel 24. The pressing force of the rubber pad 26 on the turning rod 29 is changed by rotating the turning handle 23 to make the turning handle 23 move in and out of the liquid channel 24. The cross-section of the turning rod 29 is set to be a regular hexagon.

[0068] Under the above setting, in order to prevent the cam 15 from being displaced and leaving the top plate 13 during the rotation process, the present invention opens a liquid channel 24 on the inner side of the cam 15, and the liquid channel 24 is filled with hydraulic oil. The liquid channel 24 is slidably connected to the side of the through hole 27 by a slide rod 25, and the slide rod 25 is fixedly connected to the side of the through hole 27 by a rubber pad 26. When the turning handle 23 is turned to enter the liquid channel 24, the pressure in the liquid channel 24 increases, and the pressure acts on the rubber pad 26 to achieve the tightening of the turning rod 29. At this time, the cam 15 and the turning rod 29 are fixed. When the turning handle 23 is turned to leave the liquid channel 24, the pressure in the liquid channel 24 decreases, the pressure is released, and the pressing force of the rubber pad 26 on the turning rod 29 is reduced. At this time, the cam 15 and the turning rod 29 can slide. When the cross-section of the turning rod 29 is set in a regular hexagon, the transmission of torque can be guaranteed.

[0069] Example 2

[0070] This embodiment is a further improvement of embodiment 1. Figure 1-12 The above-mentioned ground-breaking guide plate 7 is provided with an inclined surface 72 on the side facing the pull ring 5. The angle formed by the inclined surface 72 and the bottom end of the ground-breaking guide plate 7 is an acute angle. When the inclined surface 72 passes through the growth area 1, a chamfered edge 301 can appear on the side of the groove 30 facing the pull ring 5.

[0071] Under the above setting, the present invention provides an inclined surface 72 on the side of the earth-breaking guide plate 7 facing the pull ring 5. When the inclined surface 72 passes through the growth area 1, a chamfered edge 301 can appear on the side of the groove 30 facing the pull ring 5. When both sides of the membrane 2 are embedded in the groove 30, under the action of the chamfered edge 301, when the membrane 2 is subjected to force, the change in the force angle and the increase in the force area can greatly increase the resistance of the membrane 2 to leave the groove 30, thereby further playing an "anchoring" role.

[0072] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A film covering device for agricultural planting, comprising a frame (3), characterized in that: The inner side of the frame (3) is slidably connected to two symmetrically arranged slide plates (4), the bottom ends of the two slide plates (4) are fixedly connected to a roller mounting frame (8) for mounting a film roller, the bottom end of the frame (3) is fixedly connected to a moving wheel (10), and the front end of the frame (3) is fixedly connected to a pull ring (5), and the laminating device is moved forward by the traction of the pull ring (5); The bottom end of the slide plate (4) is fixedly connected to a soil-breaking guide plate (7) and a conveying cylinder (21), the top end of the slide plate (4) is fixedly connected to a water storage tank (14), a guide groove (71) is provided on the inner side of the soil-breaking guide plate (7), the cross section of the guide groove (71) is arranged in a "U" shape, one end of the conveying cylinder (21) is connected to the inner side of the guide groove (71), the inner side of the conveying cylinder (21) is rotatably connected to a spiral conveying rod (22), the upper side of the rear end of the spiral conveying rod (22) is connected to the water storage tank (14), and a water outlet valve (19) is provided at the connection point between the spiral conveying rod (22) and the water storage tank (14), the lower side of the rear end of the spiral conveying rod (22) is connected to a discharge pipe (28), and the inner side of the slide plate (4) is slidably connected to a hole digging pipe (9); The conveying cylinder (21) is arranged on the upper side of the roller frame (8), the conveying cylinder (21) is arranged between the two roller frames (8), the digging pipe (9) is arranged between the discharge pipe (28) and the earth-breaking guide plate (7), and the discharge pipe (28), the earth-breaking guide plate (7) and the digging pipe (9) are on the same plane; The soil-breaking guide plate (7) is arranged in an arc shape, and the bottom end of the soil-breaking guide plate (7) can be inserted into the mud, and when passing through the growth area (1), a groove (30) can be left on the growth area (1); The side of the soil-breaking guide plate (7) facing the pull ring (5) is provided with an inclined surface (72), the angle formed by the inclined surface (72) and the bottom end of the soil-breaking guide plate (7) is an acute angle, and when the inclined surface (72) passes through the growth area (1), a chamfered edge (301) can appear on the side of the slot (30) facing the pull ring (5); A spring (11) is arranged on the outside of the hole-digging tube (9), and the two ends of the spring (11) are respectively fixedly connected to the top end of the slide plate (4) and the bottom end of the top plate (13), so that the hole-digging tube (9) can reciprocate up and down on the inside of the slide plate (4); The bottom end of the hole-digging tube (9) is arranged in a spike shape, and the top end of the hole-digging tube (9) is fixedly connected to a top plate (13), so that holes (18) are formed on both sides of the membrane (2) through the reciprocating motion of the hole-digging tube (9); The top of the frame (3) is fixedly connected to a first motor (6), the end of the main shaft of the first motor (6) is fixedly connected to a rotating rod (29), the outer side of the rotating rod (29) is slidably connected to a cam (15), the inner side of the cam (15) is provided with a through hole (27), the inner edge of the through hole (27) is matched with the outer side of the rotating rod (29), the cam (15) can slide to the upper side of the top plate (13), and the reciprocating motion of the hole-digging pipe (9) is realized by rotating and pressing down the cam (15); A liquid channel (24) is provided on the inner side of the cam (15), and the liquid channel (24) is filled with hydraulic oil. A sliding rod (25) is slidably connected to the side of the liquid channel (24) facing the through hole (27), and a rubber pad (26) is fixedly connected to the side of the sliding rod (25) facing the through hole (27). A turning handle (23) is spirally connected to the inner side of the other end of the liquid channel (24). The turning handle (23) is rotated to make the turning handle (23) enter and exit the liquid channel (24), thereby changing the pressing force of the rubber pad (26) on the turning rod (29). The cross section of the turning rod (29) is arranged in a regular hexagon.

2. The film covering device for agricultural planting according to claim 1, characterized in that: A second motor (12) is fixedly connected to the outer side of the frame (3); a screw rod (16) is fixedly connected to the end of the main shaft of the second motor (12); two sides of the screw rod (16) are respectively spirally connected to the slide plates (4) on both sides; the threads on the two sides of the screw rod (16) are in opposite directions; and relative movement of the two slide plates (4) is achieved by the rotation of the second motor (12).

3. The film covering device for agricultural planting according to claim 2, characterized in that: One end of the conveying cylinder (21) is fixedly connected to a third motor (20), and a main shaft end of the third motor (20) is fixedly connected to one end of a spiral conveying rod (22).

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