High-efficiency double-film laminating and spreading machine

Abstract

The utility model relates to the technical field of film mulching seeding, and discloses a high -efficient double mulching film laying machine, including main body structure, the main body structure is equipped with two groups, two groups the main body structure is symmetrically arranged left and right, and each group main body structure includes frame, front bulldozing plate, rear bulldozing plate, drip irrigation tape bracket, flat ground rubber roller, furrow opener and mulching film bracket hook, and the front end of two groups frame is fixedly connected with the traction seat, and two groups the main body structure is used for carrying out double film laying simultaneously. The utility model can integrate four functions of drip irrigation tape laying, fertilization, mulching film laying and seeding by the setting of two groups drip irrigation tape bracket, fertilizer box, mulching film bracket hook and seeder, and can operate two planting ridges at a time, greatly improves the farming efficiency, reduces the labor intensity, reduces manpower, production resources, and significantly improves the economic benefit.

Description

Technical Field

[0001] This utility model relates to the field of film laying and sowing technology, and more specifically, to a high-efficiency double-film laying machine. Background Technology

[0002] As an important part of agricultural mechanization, mulching seeders are mainly divided into single-mulching seeders, double-mulching seeders, and multi-functional integrated mulching seeders in terms of product structure. In terms of mulching method, they can be divided into semi-mulching seeders and full-mulching seeders.

[0003] In modern agricultural planting, laying drip irrigation tape, covering with mulch film, fertilizing, and sowing are all indispensable key steps in the planting process. Under current technological conditions, these planting steps mostly rely on manual operation, which not only results in low farming efficiency but also increases labor and production costs. To address these problems, this utility model designs a high-efficiency double-film laying machine. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides a high-efficiency double-film laying machine, which integrates the functions of laying drip irrigation tape, laying mulch film and applying soil to mulch film, and can simultaneously perform mulching on two planting ridges.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency double-film laying machine, comprising a main structure, wherein the main structure is provided in two sets, the two sets of main structures are symmetrically arranged left and right, each set of main structures includes a frame, a front bulldozer plate, a rear bulldozer plate, a drip irrigation tape bracket, a leveling roller, a furrow opener and a film bracket hook, the front end of the two sets of frames is fixedly connected to a traction seat, and the two sets of main structures are used to lay double films simultaneously; The positioning structure has two sets, which are symmetrically arranged on the left and right. Each set of positioning structures includes a connecting plate, a fixing hole, a fixing bolt, a connecting rod, a sliding device, a connecting seat, a fixing block and a first spring. The two sets of connecting plates are slidably inserted into the interior of both sides of the frame. The two sets of positioning structures are used to indicate the travel route of the unit in the next stroke. The sowing structure has two sets, which are symmetrically arranged on the left and right. Each set of sowing structures includes a connecting frame, a locking groove, a seed box, a connecting sleeve, a sower, a locking seat, a fixing through hole, a fixing seat, a fixing insert plate, a fixing pin, and a second spring. The connecting frame and the seed box of the two sets are respectively fixedly connected to the left and right sides of the other end surface of the two sets of frames. The two sets of sowing structures are used for sowing.

[0006] As a preferred embodiment of this utility model, a traveling wheel is installed on the lower surface of one side of the frame. The front bulldozer plate and the rear bulldozer plate are both installed at the front end of the lower surface of the frame, with the front bulldozer plate located at the front end of the rear bulldozer plate. The drip irrigation tape bracket and the fertilizer tank are both installed on the upper surface of the frame, with the drip irrigation tape bracket located at the front end of the fertilizer tank. The leveling roller is installed in the middle position of the lower surface of the frame. The furrow opener and the mulch film bracket hook are both fixedly connected to the rear end of the lower surface of the frame, with the furrow opener located at the front end of the mulch film bracket hook.

[0007] As a preferred embodiment of this utility model, the fixing hole is opened inside the upper surface of the connecting plate, and the fixing bolt is threaded to the upper surface of the frame. The position and size of the lower end of the fixing bolt correspond to the position and size of the fixing hole.

[0008] As a preferred embodiment of this utility model, the connecting rod is slidably inserted into the inside of the fixing hole, the sliding device is fixedly connected to the lower end of the connecting rod, an upper fixing groove and a lower fixing groove are respectively opened in the inside of one side surface of the fixing hole, the upper fixing groove is located at the upper end of the lower fixing groove, the connecting seat is fixedly connected to the outer surface of one side of the connecting plate, a first pull plate is slidably inserted into the inside of the upper surface of the connecting seat, the fixing block is slidably inserted into the inside of the connecting seat near the connecting plate, the position and size of one end of the fixing block are adapted to the position and size of the upper fixing groove and the lower fixing groove, the first spring is disposed inside the connecting seat, and the two ends of the first spring are respectively attached to the surface of the other end of the fixing block and the inner surface of the connecting seat.

[0009] As a preferred embodiment of this utility model, the locking groove is opened inside the middle position of the connecting frame, the connecting sleeve is fixedly connected to the inside of the seed box near the connecting frame, the seeder is rotatably sleeved on the outer surface of the connecting sleeve, the inside of the connecting sleeve is connected to the inside of the seed box and the seeder, the end of the locking seat near the seeder is connected to the seeder bearing, the end of the locking seat near the connecting frame is slidably locked inside the locking groove, and the fixing through hole is opened inside the other end of the locking seat.

[0010] As a preferred technical solution of this utility model, the fixed base is fixedly connected to the lower surface of the connecting frame away from the machine frame, and a second pull plate is slidably inserted into the lower surface of the fixed base. The fixed insert plate is slidably inserted into the interior of the fixed base, and one end of the fixed insert plate is inserted into the interior of the fixed through hole and the connecting frame at the middle position.

[0011] As a preferred technical solution of this utility model, a fixing cylinder is fixedly connected to the lower surface of the fixing seat near the engaging groove. The upper end of the fixing pin is slidably inserted into the interior of the fixing seat and the fixing plate. The second spring is disposed inside the fixing cylinder. A limiting ring is fixedly connected to the outer surface of the middle position of the fixing pin. The two ends of the second spring elastically abut against the lower surface of the limiting ring and the lower surface of the interior of the fixing cylinder, respectively.

[0012] As a preferred technical solution of this utility model, a soil covering plate device is installed on the lower surface of both the connecting frame and the seed box, and the positions of the two sets of soil covering plate devices are symmetrical from left to right. A pressing wheel is installed on the end of the connecting frame away from the machine frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model integrates four functions—drip irrigation tape laying, fertilization, mulch film laying, and sowing—through the setting of two sets of drip irrigation tape brackets, fertilizer boxes, mulch film bracket hooks, and seeders. It can operate on two planting ridges at once, which greatly improves farming efficiency, reduces labor intensity, reduces manpower and production resources, and significantly improves economic benefits. 2. This utility model allows the connecting plate to move inside the frame by pulling it, which in turn moves the connecting rod and the rowing device synchronously. At this time, the positions of the connecting plate, connecting rod and rowing device can be adjusted. The positions of the connecting plate, connecting rod and rowing device can be fixed by fixing bolts. The elastic force of the first spring can push the fixing block so that one end of it is inserted into the upper fixing groove or the lower fixing groove. When the fixing block is inserted into the upper fixing groove, the rowing device can be inserted into the soil next to the frame to make a groove. When the fixing block is inserted into the lower fixing groove, the rowing device will be removed from the soil and fixed above the soil. This design can use the groove made by the rowing device to indicate the walking route of the unit in the next stroke to ensure accurate adjacent row spacing. 3. This utility model can fix the locking seat inside the locking slot by fixing the insert plate. When the unit moves, it can drive the seeder to rotate and sow seeds in the soil. Pulling the fixing pin can disengage its upper end from the inside of the fixing insert plate. At this time, pulling the second pull plate can drive the fixing insert plate to disengage from the inside of the locking seat. At this time, the seeder can be disassembled. This design makes it easy to replace different seeders according to different crops when using the unit. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the separation structure of this utility model; Figure 3This is a schematic diagram of the positioning structure of this utility model in use; Figure 4 This is an exploded view of the positioning structure of this utility model; Figure 5 This is a partial exploded view of the seeding structure of this utility model; Figure 6 This is a partial exploded view of the seeding structure of this utility model; Figure 7 This is a schematic diagram of the fixed insertion plate of this utility model in its fixed state.

[0015] In the diagram: 1. Main structure; 11. Frame; 12. Walking wheels; 13. Front bulldozer blade; 14. Rear bulldozer blade; 15. Drip irrigation tape bracket; 16. Fertilizer tank; 17. Leveling roller; 18. Ditch opener; 19. Mulch film bracket hook; 2. Positioning structure; 21. Connecting plate; 22. Fixing hole; 23. Fixing bolt; 24. Connecting rod; 25. Rowing device; 26. Upper fixing groove; 27. Lower fixing groove; 28. Connecting seat; 29. ​​First pull plate 210. Fixing block; 211. First spring; 3. Sowing structure; 31. Connecting frame; 32. Locking groove; 33. Seed box; 34. Connecting sleeve; 35. Seeder; 36. Locking seat; 37. Fixing through hole; 38. Fixing seat; 39. Second pull plate; 310. Fixing insert plate; 311. Fixing cylinder; 312. Fixing pin; 313. Second spring; 314. Limiting ring; 315. Soil covering plate device; 316. Pressing wheel; 4. Traction seat. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] like Figures 1 to 7 As shown, this utility model provides a high-efficiency double-film laying machine, including: a main structure 1, which is provided in two sets, and the two sets of main structures 1 are symmetrically arranged on the left and right. Each set of main structures 1 includes a frame 11, a front bulldozer 13, a rear bulldozer 14, a drip irrigation tape bracket 15, a leveling roller 17, a furrow opener 18 and a film bracket hook 19. The front ends of the two sets of frames 11 are fixedly connected to traction seats 4. The two sets of main structures 1 are used to lay double films at the same time. Positioning structure 2, the positioning structure 2 is provided in two sets, the two sets of positioning structure 2 are symmetrically arranged on the left and right, each set of positioning structure 2 includes connecting plate 21, fixing hole 22, fixing bolt 23, connecting rod 24, sliding device 25, connecting seat 28, fixing block 210 and first spring 211. The two sets of connecting plates 21 are slidably inserted into the interior of both sides of the frame 11. The two sets of positioning structures 2 are used to indicate the travel route of the unit in the next stroke. The sowing structure 3 has two sets, which are symmetrically arranged on the left and right. Each set of sowing structures 3 includes a connecting frame 31, a locking groove 32, a seed box 33, a connecting sleeve 34, a sower 35, a locking seat 36, a fixing through hole 37, a fixing seat 38, a fixing insert plate 310, a fixing pin 312, and a second spring 313. The two sets of connecting frames 31 and seed boxes 33 are respectively fixedly connected to the left and right sides of the other end surface of the two sets of frames 11. The two sets of sowing structures 3 are used for sowing.

[0018] Among them, a walking wheel 12 is installed on the lower surface of one side of the frame 11. The front bulldozer 13 and the rear bulldozer 14 are both installed at the front end of the lower surface of the frame 11, with the front bulldozer 13 located at the front end of the rear bulldozer 14. The drip irrigation tape bracket 15 and the fertilizer box 16 are both installed on the upper surface of the frame 11, with the drip irrigation tape bracket 15 located at the front end of the fertilizer box 16. The leveling roller 17 is installed in the middle position of the lower surface of the frame 11. The furrow opener 18 and the mulch film bracket hook 19 are both fixedly connected to the rear end of the lower surface of the frame 11, with the furrow opener 18 located at the front end of the mulch film bracket hook 19.

[0019] The main structure 1, positioning structure 2, and sowing structure 3 are all symmetrically arranged with the longitudinal centerline of the unit as the reference. The traction seat 4 allows the entire unit to be connected to a rear-drive tractor of model 504 or higher, enabling operation via tractor movement. The front and rear bulldozer blades 13 and 14 level the land before mulching, facilitating the process. The leveling roller 17 rolls the ground before sowing and fertilization, breaking up any clumps of soil, facilitating furrowing and sowing / fertilization. The furrow opener 18... The system can be set up to open seed furrows before sowing, guide seeds and fertilizer into the furrows, and cover the seeds and fertilizer with moist soil. The fertilizer tank 16 can store the fertilizer needed for sowing and fertilize inside the seed furrows, and can also stabilize the unit, which is especially noticeable when operating in sloping areas. The drip irrigation tape bracket 15 can be set up before covering with mulch, so as to ensure that the drip irrigation tape is under the mulch. The mulch film bracket hook 19 is used to hang the mulch film. As the unit is running, the mulch film will be laid on the soil surface.

[0020] The fixing hole 22 is opened inside the upper surface of the connecting plate 21, and the fixing bolt 23 is threaded to the upper surface of the frame 11. The position and size of the lower end of the fixing bolt 23 correspond to the position and size of the fixing hole 22.

[0021] By pulling the connecting plate 21, it can be moved laterally inside the frame 11. At this time, the position of the rowing device 25 can be adjusted more practically according to the planting situation. Rotating the fixing bolt 23 can insert its lower end into the fixing hole 22, and at this time, the position of the rowing device 25 can be fixed.

[0022] The connecting rod 24 is slidably inserted into the fixing hole 22. The sliding device 25 is fixedly connected to the lower end of the connecting rod 24. An upper fixing groove 26 and a lower fixing groove 27 are respectively opened in the inner surface of one side of the fixing hole 22. The upper fixing groove 26 is located at the upper end of the lower fixing groove 27. The connecting seat 28 is fixedly connected to the outer surface of one side of the connecting plate 21. A first pull plate 29 is slidably inserted into the inner surface of the upper surface of the connecting seat 28. A fixing block 210 is slidably inserted into the inner surface of the connecting seat 28 near the connecting plate 21. The position and size of one end of the fixing block 210 are adapted to the position and size of the upper fixing groove 26 and the lower fixing groove 27. A first spring 211 is set in the inner surface of the connecting seat 28. The two ends of the first spring 211 are respectively attached to the surface of the other end of the fixing block 210 and the inner surface of the connecting seat 28.

[0023] The first spring 211 can push the fixing block 210 so that one end of it can be inserted into the upper fixing groove 26 or the lower fixing groove 27. When the fixing block 210 is inserted into the upper fixing groove 26, the rowing device 25 can be inserted into the soil next to the frame 11 to make a groove. Pulling the first pull plate 29 can drive the fixing block 210 out of the upper fixing groove 26. At this time, pulling the connecting rod 24 can drive the rowing device 25 out of the soil. After releasing the first pull plate 29, the first spring 211 will push the fixing block 210 to insert it into the lower fixing groove 27, thereby fixing the rowing device 25 above the soil. The rowing device 25 can make a groove in the soil next to the machine at a specified distance during the sowing operation to indicate the walking route of the machine in the next stroke, so as to ensure accurate adjacent row spacing. The two sets of rowing devices 25 can be used alternately to prepare for the next film laying operation.

[0024] The locking groove 32 is located inside the middle position of the connecting frame 31. The connecting sleeve 34 is fixedly connected to the inside of the seed box 33 near the connecting frame 31. The seeder 35 is rotatably sleeved on the outer surface of the connecting sleeve 34. The inside of the connecting sleeve 34 is connected to the inside of the seed box 33 and the seeder 35. The locking seat 36 is connected to the bearing of the seeder 35 at one end. The locking seat 36 is slidably locked inside the locking groove 32 at one end near the connecting frame 31. The fixed through hole 37 is located inside the other end of the locking seat 36.

[0025] Seeds can be stored in seed box 33. The seeds inside seed box 33 will enter the interior of seeder 35 through connecting sleeve 34. Seeder 35 will rotate and conform to the soil surface as the whole unit moves, and drill open the mulch film to sow the seeds in the soil.

[0026] The fixed base 38 is fixedly connected to the lower surface of the connecting frame 31 at the end away from the frame 11. The second pull plate 39 is slidably inserted into the lower surface of the fixed base 38. The fixed insert plate 310 is slidably inserted into the interior of the fixed base 38. One end of the fixed insert plate 310 is inserted into the interior of the fixed through hole 37 and the connecting frame 31 at the middle position.

[0027] By inserting the fixing plate 310 into the fixing through hole 37, the locking seat 36 can be fixed inside the locking groove 32, preventing the locking seat 36 from coming out of the locking groove 32 during use, thereby fixing the position of the seeder 35. Pulling the second pull plate 39 can cause the fixing plate 310 to come out of the locking seat 36. At this time, pulling the seeder 35 laterally towards the connecting frame 31 can make it come out of the outer surface of the connecting sleeve 34. Then, pulling the seeder 35 vertically upward can disassemble it.

[0028] Among them, a fixed cylinder 311 is fixedly connected to the lower surface of the fixed base 38 near the engaging groove 32. The upper end of the fixed pin 312 is slidably inserted into the interior of the fixed base 38 and the fixed insert plate 310. The second spring 313 is disposed inside the fixed cylinder 311. A limit ring 314 is fixedly connected to the outer surface of the middle position of the fixed pin 312. The two ends of the second spring 313 elastically abut against the lower surface of the limit ring 314 and the lower surface of the interior of the fixed cylinder 311, respectively.

[0029] When the upper end of the fixing pin 312 is inserted into the interior of the fixing plate 310, the position of the fixing plate 310 can be fixed, preventing the fixing plate 310 from moving during fixing, thereby improving the stability of the fixing plate 310 when fixing the locking seat 36. The elastic force of the second spring 313 can apply a vertical upward thrust to the limiting ring 314 and the fixing pin 312, which can prevent the fixing pin 312 from dislodging from the interior of the fixing plate 310, thereby further improving the stability of the fixing plate 310 when fixing the locking seat 36.

[0030] Among them, the lower surfaces of the connecting frame 31 and the seed box 33 are both equipped with soil covering plate devices 315, and the positions of the two sets of soil covering plate devices 315 are symmetrical from left to right. The end of the connecting frame 31 away from the frame 11 is equipped with a pressing wheel 316.

[0031] Two sets of soil covering discs 315 can press the laid ground into the soil, and scoop up the soil on both sides of the mulch film to cover the surface of the mulch film. Then, the sown seeds can be compacted by the rollers 316.

[0032] Working principle and usage process of this utility model: First, the entire unit is connected to a rear-drive tractor of model 504 or higher via the traction seat 4, and the tractor drives the unit to move and operate. At the start of the operation, the front bulldozer blade 13 and the rear bulldozer blade 14 first level the land before mulching, then the leveling roller 17 rolls the ground flat and breaks up the solidified soil clods; then, the furrow opener 18 opens the seed furrow, the fertilizer box 16 applies fertilizer into the seed furrow, and at the same time, the drip irrigation tape bracket 15 lays the drip irrigation tape before mulching, and the mulch film suspended by the mulch film bracket hook 19 is laid on the soil surface by the random assembly; then, the seeds in the seed box 33 enter the seeder 35 through the connecting sleeve 34, the seeder 35 moves and rotates to fit the soil, drills open the mulch film and sows the seeds into the soil, and the two sets of soil covering disc devices 315 press the mulch film into the soil and scoop up the soil covering on both sides of the mulch film. The seeds are covered on both sides of the mulch film, and then the roller 316 presses the seeds after sowing. During operation, the rowing device 25 enters the soil to make grooves to indicate the next travel route of the unit. When the rowing device 25 needs to be retracted, pull the first pull plate 29 to disengage the fixing block 210 from the upper fixing groove 26, pull the connecting rod 24 to remove the rowing device 25 from the soil, and then release the first pull plate 29 to insert the fixing block 210 into the lower fixing groove 27 to fix the rowing device 25. If the seeder 35 needs to be replaced, pull the fixing pin 312 to disengage its upper end from the fixing insert plate 310, then pull the second pull plate 39 to disengage the fixing insert plate 310 from the fixing through hole 37 of the locking seat 36, pull the seeder 35 horizontally to disengage it from the connecting sleeve 34, and then disassemble it vertically upwards. After replacing the new seeder 35, the operation is reversed to complete the fixing.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high efficiency double-laminating and -paving machine, characterized in that, Includes a main structure (1), which has two sets. The two sets of main structures (1) are arranged symmetrically on the left and right. Each set of main structures (1) includes a frame (11), a front bulldozer plate (13), a rear bulldozer plate (14), a drip irrigation tape bracket (15), a leveling roller (17), a trench opener (18), and a film bracket hook (19). The front ends of the two sets of frames (11) are fixedly connected to a traction seat (4). The two sets of main structures (1) are used to lay double films at the same time. The positioning structure (2) is provided in two sets, and the two sets of positioning structures (2) are symmetrically arranged on the left and right. Each set of positioning structures (2) includes a connecting plate (21), a fixing hole (22), a fixing bolt (23), a connecting rod (24), a sliding device (25), a connecting seat (28), a fixing block (210), and a first spring (211). The two sets of connecting plates (21) are slidably inserted into the interior of both sides of the frame (11). The two sets of positioning structures (2) are used to indicate the travel route of the unit in the next stroke. The sowing structure (3) is provided in two sets, and the two sets of sowing structures (3) are symmetrically arranged on the left and right. Each set of sowing structures (3) includes a connecting frame (31), a locking groove (32), a seed box (33), a connecting sleeve (34), a sower (35), a locking seat (36), a fixing through hole (37), a fixing seat (38), a fixing insert plate (310), a fixing pin (312), and a second spring (313). The two sets of connecting frames (31) and seed boxes (33) are respectively fixedly connected to the left and right sides of the other end surface of the two sets of frames (11). The two sets of sowing structures (3) are used for sowing.

2. The high-efficiency double-film-laminating and film-paving machine according to claim 1, characterized in that: The lower surface of one side of the frame (11) is equipped with a walking wheel (12). The front bulldozer plate (13) and the rear bulldozer plate (14) are both installed at the front end of the lower surface of the frame (11). The front bulldozer plate (13) is located at the front end of the rear bulldozer plate (14). The drip irrigation tape bracket (15) and the fertilizer box (16) are both installed on the upper surface of the frame (11). The drip irrigation tape bracket (15) is located at the front end of the fertilizer box (16). The leveling roller (17) is installed in the middle position of the lower surface of the frame (11). The furrow opener (18) and the mulch film bracket hook (19) are both fixedly connected to the rear end of the lower surface of the frame (11). The furrow opener (18) is located at the front end of the mulch film bracket hook (19).

3. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: The fixing hole (22) is opened inside the upper surface of the connecting plate (21), and the fixing bolt (23) is threaded to the upper surface of the frame (11). The position and size of the lower end of the fixing bolt (23) correspond to the position and size of the fixing hole (22).

4. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: The connecting rod (24) is slidably inserted into the inside of the fixing hole (22). The sliding device (25) is fixedly connected to the lower end of the connecting rod (24). The inside of one side surface of the fixing hole (22) is respectively provided with an upper fixing groove (26) and a lower fixing groove (27). The upper fixing groove (26) is located at the upper end of the lower fixing groove (27). The connecting seat (28) is fixedly connected to the outer surface of one side of the connecting plate (21). The first pull plate (29) is slidably inserted into the inside of the upper surface of the connecting seat (28). The fixing block (210) is slidably inserted into the inside of the connecting seat (28) near the connecting plate (21). The position and size of one end of the fixing block (210) are adapted to the position and size of the upper fixing groove (26) and the lower fixing groove (27). The first spring (211) is set inside the connecting seat (28). The two ends of the first spring (211) are respectively attached to the surface of the other end of the fixing block (210) and the inner surface of the connecting seat (28).

5. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: The locking groove (32) is located inside the middle position of the connecting frame (31). The connecting sleeve (34) is fixedly connected to the inside of the seed box (33) near the side surface of the connecting frame (31). The seeder (35) is rotatably sleeved on the outer surface of the connecting sleeve (34). The inside of the connecting sleeve (34) is connected to the inside of the seed box (33) and the seeder (35). The locking seat (36) is connected to the bearing of the seeder (35) at one end near the seeder (35). The locking seat (36) is slidably locked inside the locking groove (32) at one end near the connecting frame (31). The fixed through hole (37) is located inside the other end of the locking seat (36).

6. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: The fixed base (38) is fixedly connected to the lower surface of the connecting frame (31) away from the frame (11). A second pull plate (39) is slidably inserted into the lower surface of the fixed base (38). The fixed insert plate (310) is slidably inserted into the interior of the fixed base (38). One end of the fixed insert plate (310) is inserted into the interior of the fixed through hole (37) and the connecting frame (31).

7. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: A fixing cylinder (311) is fixedly connected to the lower surface of the fixing seat (38) near the engaging groove (32). The upper end of the fixing pin (312) is slidably inserted into the interior of the fixing seat (38) and the fixing plate (310). The second spring (313) is disposed inside the fixing cylinder (311). A limiting ring (314) is fixedly connected to the outer surface of the middle position of the fixing pin (312). The two ends of the second spring (313) elastically abut against the lower surface of the limiting ring (314) and the lower surface inside the fixing cylinder (311), respectively.

8. The high efficiency double-laminating and -paving machine according to claim 1, characterized in that: Both the connecting frame (31) and the seed box (33) are equipped with soil covering devices (315) on their lower surfaces, and the two sets of soil covering devices (315) are symmetrical in position. A pressing wheel (316) is installed on the end of the connecting frame (31) away from the frame (11).

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