Straw mat grid sand barrier laying machine

Abstract

The utility model discloses a straw mat grid sand barrier laying machine which comprises a car hopper, wheels, a straw mat longitudinal burying structure and a straw mat transverse burying structure. Wheels are rotationally arranged on the two sides of the lower portion of the car hopper respectively, and a straw mat longitudinal burying structure and a straw mat transverse burying structure which are arranged side by side are sequentially arranged on the car hopper from front to back. The straw mat transverse burying structure is located between the two straw mat longitudinal burying structures. The vertical grid sand barrier has the advantages that the vertical grid sand barrier is simple in structure and easy to implement, a tractor does not need to walk longitudinally and then transversely, working efficiency is improved, the longitudinal sand barrier is prevented from being pressed down, the laying effect of the vertical grid sand barrier is improved, a good sand sealing effect is achieved, repeated laying at the crossed position of the transverse sand barrier and the longitudinal sand barrier is avoided, and production cost is reduced. Therefore, the waste of the straw mats is avoided, and the cost for laying the grid vertical sand-protecting barrier is saved.

Description

Technical fields:

[0001] This utility model relates to the field of straw mat sand barrier laying technology, and in particular to a straw mat checkered sand barrier laying machine. Background technology:

[0002] As people's quality of life continues to improve, the issue of desertification is receiving increasing attention. To alleviate desertification and prevent the expansion of desert areas, it is necessary to stabilize sand dunes to prevent sand from drifting out of the desert with the monsoon. Currently, sand barrier stabilization is the most mature and widespread method of windbreak and sand fixation design. Among them, the grid-style vertical sand barrier involves inserting straw mats (including wheat straw mats, rice straw mats, and reed mats) into the sand, leaving them protruding to a certain height. Currently, the laying of grid-like vertical sand barriers involves first laying longitudinal sand barriers using a tractor-driven sand-fixing machine, and then laying transverse sand barriers by moving laterally, thus forming the grid-like vertical sand barriers. This method has the following problems: 1. When the tractor-driven sand-fixing machine moves laterally to lay transverse sand barriers, the longitudinal sand barriers are easily crushed as the tractor passes, resulting in poor laying effect. Furthermore, the repeated laying of sand barriers at the intersection of the longitudinal and transverse sections leads to waste of straw mats, increasing the cost of laying the grid-like vertical sand barriers; 2. Laying the grid-like vertical sand barriers by moving the tractor longitudinally and then laterally results in low work efficiency. Utility model content:

[0003] The purpose of this utility model is to provide a straw mat checkered sand barrier laying machine with simple structure, good laying effect and improved work efficiency.

[0004] This utility model is implemented by the following technical solution: The purpose of this patent is to provide a straw mat checkered sand barrier laying machine, which includes a truck bed, wheels, a straw mat longitudinal burial structure and a straw mat transverse burial structure; the wheels are rotatably arranged on both sides below the truck bed, and two straw mat longitudinal burial structures and straw mat transverse burial structures are arranged side by side on the truck bed from front to back; the straw mat longitudinal burial structure includes a ditch opener, a support frame and a straw pressing device arranged from front to back on the truck bed; the ditch opener is rotatably arranged below the truck bed, and a first hydraulic cylinder is arranged at the bottom of the truck bed, with both ends of the first hydraulic cylinder rotatably hinged to the truck bed and the ditch opener respectively; a support frame is fixed above the truck bed, and a first straw mat roll is rotatably arranged on the support frame; the free end of the first straw mat roll passes under the straw pressing wheel of the straw pressing device; the straw mat transverse burial structure is located between the two straw mat longitudinal burial structures.

[0005] Furthermore, the grass-pressing device includes a frame, the grass-pressing wheel, a soil-covering disc, and a compaction wheel; the frame is rotatably mounted below the truck bed, and a second hydraulic cylinder is mounted at the bottom of the truck bed, with both ends of the second hydraulic cylinder rotatably hinged to the truck bed and the frame, respectively; the grass-pressing wheel is rotatably mounted on the frame behind the ditch opener; the soil-covering discs are rotatably mounted below the frame on both sides behind the grass-pressing wheel; and the compaction wheel is rotatably mounted below the frame behind each soil-covering disc.

[0006] Furthermore, a guide roller is rotatably installed at the bottom of the truck bed. The guide roller is located between the ditch opener and the grass pressing device, and the free end of the first grass curtain roll passes under the guide roller and the grass pressing wheel in sequence.

[0007] Furthermore, the transverse burial structure of the straw mat includes a mounting frame, a second straw mat roll, a fixed frame, an active conveying roller, a driven conveying roller, a cutting mechanism, and a straw insertion mechanism. The mounting frame is fixed on the truck bed, and the second straw mat roll is rotatably mounted on the mounting frame, with the axis of the second straw mat roll perpendicular to the axis of the first straw mat roll. The fixed frame is fixedly mounted below the truck bed, and two parallel active and driven conveying rollers are rotatably mounted on one end of the fixed frame near the second straw mat roll. A drive motor is fixedly mounted on the fixed frame, and the output shaft of the drive motor is connected to one end of the active conveying roller via a bevel gear. The other end of the active conveying roller is connected to the driven conveying roller via a gear. The cutting mechanism is mounted on the fixed frame near the active conveying roller, and the straw insertion mechanism is mounted at the bottom of the truck bed above the fixed frame. The free end of the second straw mat roll passes between the active and driven conveying rollers, then through the cutting mechanism, and is located below the straw insertion mechanism.

[0008] Furthermore, the cutting mechanism includes a cylinder and a guillotine; the guillotine is movably mounted on the fixed frame above and below the discharge end between the active conveying roller and the driven conveying roller via the cylinder, and the two guillotines are arranged correspondingly.

[0009] Furthermore, the grass-planting mechanism includes a pressure plate. At least one pressure plate with its length direction perpendicular to the axis of the active conveying roller is sequentially arranged at the bottom of the bucket above the center line of the fixed frame. A third hydraulic cylinder is fixed to the bottom of the bucket on both sides of the pressure plate, and the telescopic end of the third hydraulic cylinder is fixedly connected to the pressure plate.

[0010] Furthermore, guide grooves are respectively provided on the fixed frames at both ends of the active conveying roller, and slots are provided on the fixed frames opposite the active conveying roller, with both ends of the slots communicating with the corresponding guide grooves.

[0011] Furthermore, several guide wheels are sequentially arranged at the bottom of the guide groove along its length, with the axis of the guide wheels being parallel to the axis of the active conveying roller; the two sides of the unfolded straw mat of the second straw mat roll are positioned above the guide wheels in the corresponding guide grooves, and the free end of the second straw mat roll is movably inserted into the slot.

[0012] Advantages of this invention: This invention has a simple structure and is easy to implement. When the device is connected to a tractor, the straw mats are inserted into the sand through the longitudinal burial structure on both sides of the lower part of the tractor as the tractor drives the bucket forward, forming a strip-shaped vertical sand barrier. Then, the straw mats are inserted into the sand horizontally between the two strip-shaped vertical sand barriers through the rear transverse burial structure, finally forming a grid-shaped vertical sand barrier. The tractor does not need to travel longitudinally and then laterally, which improves work efficiency. At the same time, it avoids crushing the longitudinal sand barriers, improves the laying effect of the grid-shaped vertical sand barrier, and achieves a good sand sealing effect. Moreover, it avoids repeated laying at the intersection of the transverse and longitudinal sand barriers, thus avoiding waste of straw mats and saving the cost of laying the grid-shaped vertical sand barrier. Attached image description:

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 for Figure 1 A cross-sectional view of section AA.

[0016] Figure 3 for Figure 1 A cross-sectional view of section BB.

[0017] Figure 4 for Figure 1 A magnified view of part C in the diagram.

[0018] Figure 5 for Figure 1 Top view.

[0019] 1. Cart bed, 2. Wheels, 3. Straw mat longitudinal embedding structure, 31. Ditch opener, 32. Support frame, 33. Straw pressing device, 331. Frame, 332. Straw pressing wheel, 333. Soil covering plate, 334. Pressing wheel, 335. Second hydraulic cylinder, 34. Guide roller, 35. First hydraulic cylinder, 36. First straw mat roll, 41. Straw mat transverse embedding structure, 41. Mounting frame, 42. Second straw mat roll, 43. Fixing frame, 431. Guide groove, 432. Slot, 44. Active conveying roller, 45. Driven conveying roller, 46. Cutting mechanism, 461. Cylinder, 462. Straw inserting mechanism, 47. Pressing plate, 471. Third hydraulic cylinder, 472. Drive motor, 48. Guide wheel, 49. Detailed implementation method:

[0020] Example: Figure 1-5 As shown, a straw mat checkered sand barrier laying machine includes a truck bed 1, wheels 2, a longitudinal straw mat laying structure 3, and a transverse straw mat laying structure 4. Wheels 2 are rotatably mounted on both sides below the truck bed 1. Two parallel longitudinal straw mat laying structures 3 and transverse straw mat laying structures 4 are arranged on the truck bed 1 from front to back. The longitudinal straw mat laying structure 3 includes a ditch opener 31, a support frame 32, and a straw pressing device 33 arranged on the truck bed 1 from front to back. The ditch opener 31 is rotatably mounted below the truck bed 1. A first hydraulic cylinder 35 is located at the bottom of the truck bed 1, with its two ends rotatably hinged to the truck bed 1 and the ditch opener 31, respectively. A support frame 32 is fixed above the truck bed 1, and a first straw mat roll 36 is rotatably mounted on the support frame 32. The free end of the first straw mat roll 36 passes below the straw pressing wheel 332 of the straw pressing device 33. The transverse straw mat laying structure 4 is located between the two longitudinal straw mat laying structures 3.

[0021] The straw pressing device 33 includes a frame 331, a straw pressing wheel 332, a soil covering plate 333, and a pressing wheel 334. The frame 331 is rotatably mounted below the truck bed 1, and a second hydraulic cylinder 335 is mounted at the bottom of the truck bed 1. The two ends of the second hydraulic cylinder 335 are rotatably hinged to the truck bed 1 and the frame 331, respectively. The straw pressing wheel 332 is rotatably mounted on the frame 331 behind the ditch opener 31. During forward movement, it presses the first straw mat into the ditch opened by the ditch opener 31, causing the middle of the first straw mat to be stressed, and the two ends to naturally stand upright, forming a strip-shaped vertical sand barrier. This reduces labor intensity, improves the efficiency of straw mat burial, and ensures the burial depth, achieving good results. Good sand sealing effect; soil covering discs 333 are rotatably installed under the frame 331 on both sides behind the grass pressing wheel 332. During the forward movement, soil is covered on both sides of the first grass curtain that is erected; a pressing wheel 334 is rotatably installed under the frame 331 behind each soil covering disc 333. During the forward movement, the soil on both sides of the first grass curtain that is erected is compacted to prevent it from being blown down by the wind later. A guide roller 34 is rotatably installed at the bottom of the hopper 1 to guide the first grass curtain roll 36. The guide roller 34 is located between the ditch opener 31 and the grass pressing device 33. The free end of the first grass curtain roll 36 passes under the guide roller 34 and the grass pressing wheel 332 in sequence.

[0022] The horizontal burial structure 4 for straw mats includes a mounting frame 41, a second straw mat roll 42, a fixed frame 43, an active conveying roller 44, a driven conveying roller 45, a cutting mechanism 46, and a straw insertion mechanism 47. The mounting frame 41 is fixed on the truck bed 1, and the second straw mat roll 42 is rotatably mounted on the mounting frame 41. The axis of the second straw mat roll 42 is perpendicular to the axis of the first straw mat roll 36. A fixed frame 43 is fixed below the truck bed 1, and two parallel active conveying rollers 44 and driven conveying rollers 45 are rotatably mounted on the fixed frame 43 near the second straw mat roll 42. A drive motor 48 is fixedly installed. The drive motor 48 is a variable frequency speed control motor. The output shaft of the drive motor 48 is connected to one end of the active conveying roller 44 through bevel gear meshing. The other end of the active conveying roller 44 is connected to the driven conveying roller 45 through gear meshing. A cutting mechanism 46 is provided on the fixed frame 43 near the active conveying roller 44. A straw insertion mechanism 47 is provided at the bottom of the hopper 1 above the fixed frame 43. The free end of the second straw mat roll 42 passes between the active conveying roller 44 and the driven conveying roller 45, then passes through the cutting mechanism 46, and is located below the straw insertion mechanism 47.

[0023] The cutting mechanism 46 includes a cylinder 461 and a guillotine cutter 462; the guillotine cutters 462 are respectively movably mounted on the fixed frame 43 above and below the discharge end between the active conveying roller 44 and the driven conveying roller 45 via the cylinder 461, and the two guillotine cutters 462 are correspondingly mounted.

[0024] The grass-planting mechanism 47 includes a pressure plate 471. At least one pressure plate 471 with its length direction perpendicular to the axis of the active conveying roller 44 is arranged sequentially at the bottom of the bucket 1 above the center line of the fixed frame 43. A third hydraulic cylinder 472 is fixed at the bottom of the bucket 1 on both sides of the pressure plate 471. The telescopic end of the third hydraulic cylinder 472 is fixedly connected to the pressure plate 471.

[0025] Guide grooves 431 are respectively provided on the fixed frames 43 at both ends of the active conveying roller 44 to support the two sides of the second straw mat. Slots 432 are provided on the fixed frames 43 opposite to the active conveying roller 44. The two ends of the slots 432 are respectively connected to the corresponding guide grooves 431. Several guide wheels 49 are arranged in sequence along the length of the bottom of the guide grooves 431 to facilitate the conveying of the second straw mat. The axis of the guide wheels 49 is parallel to the axis of the active conveying roller 44. The two sides of the unfolded straw mat of the second straw mat roll 42 are placed above the guide wheels 49 in the corresponding guide grooves 431. The free end of the second straw mat roll 42 is movably inserted into the slot 432.

[0026] Working principle: The tractor drives the truck bed 1 forward. When it enters the sandy area where the grid vertical sand barrier needs to be laid, the first straw curtain roll 36 unfolds. Its free end passes over the guide roller 34 and is placed under the straw pressing device 33. Then, the first hydraulic cylinder 35 and the second hydraulic cylinder 335 are extended to lower the ditch opener 31 and the frame 331. The straw pressing wheel 332 presses the middle of the first straw curtain and continues to press downwards so that its two ends stand up naturally. Then the tractor starts to move forward, driving the truck bed 1 forward, and begins to bury the strip vertical sand barrier.

[0027] Before laying the sand barrier, adjust the rotation speed of the drive motor 48. After a certain period of time, the active conveyor roller 44 and the driven conveyor roller 45 convey one or two meters of straw mat forward. At this time, the drive motor 48 stops for 3 seconds. During this period, the control cylinder 461 extends, and the two guillotines 462 contact to cut the connecting rope on the straw mat. The control cylinder 472 extends, pressing down with the pressure plate 471, so that the middle of the second straw mat is stressed, and the two ends naturally stand upright and insert into the sand. Afterward, the control cylinder 461 and the third hydraulic cylinder 472 retract back to their original positions; the drive motor 48 continues... Start the conveying of straw mats; during the above process, the tractor advances one or two meters at a certain speed. That is, for every one or two meters the tractor advances, one or two meters of horizontal sand barriers are inserted into the horizontal burial structure 4 of the straw mat, forming a grid-like vertical sand barrier. The tractor does not need to travel longitudinally and then laterally, which improves work efficiency and avoids crushing the longitudinal sand barriers, thus improving the laying effect of the grid-like vertical sand barriers and achieving a good sand sealing effect. Moreover, it avoids repeated laying at the intersection of the horizontal and longitudinal sand barriers, thereby avoiding waste of straw mats and saving the cost of laying the grid-like vertical sand barriers.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A straw mat checkered sand barrier laying machine, characterized in that, It includes a truck bed, wheels, a longitudinally embedded straw mat structure, and a transversely embedded straw mat structure; the wheels are rotatably installed on both sides below the truck bed, and two parallel longitudinally embedded straw mat structures and transversely embedded straw mat structures are installed on the truck bed from front to back. The longitudinal burial structure of the straw mat includes a ditch opener, a support frame, and a straw pressing device arranged sequentially from front to back on the truck bed; the ditch opener is rotatably arranged below the truck bed, and a first hydraulic cylinder is arranged at the bottom of the truck bed, with its two ends respectively rotatably hinged to the truck bed and the ditch opener; a support frame is fixed above the truck bed, and a first straw mat roll is rotatably arranged on the support frame; the free end of the first straw mat roll passes under the straw pressing wheel of the straw pressing device. The horizontally embedded structure of the straw curtain is located between the two vertically embedded structures of the straw curtain.

2. The straw mat checkered sand barrier laying machine according to claim 1, characterized in that, The grass-pressing device includes a frame, the grass-pressing wheel, the soil-covering disc, and the compaction wheel; the frame is rotatably mounted below the truck bed, and a second hydraulic cylinder is mounted at the bottom of the truck bed, with its two ends respectively rotatably hinged to the truck bed and the frame; the grass-pressing wheel is rotatably mounted on the frame behind the ditch opener; the soil-covering discs are rotatably mounted below the frame on both sides behind the grass-pressing wheel; and the compaction wheel is rotatably mounted below the frame behind each soil-covering disc.

3. The straw mat checkered sand barrier laying machine according to claim 2, characterized in that, A guide roller is rotatably mounted at the bottom of the truck bed. The guide roller is located between the ditch opener and the grass pressing device. The free end of the first grass curtain roll passes under the guide roller and the grass pressing wheel in sequence.

4. A straw mat checkered sand barrier laying machine according to any one of claims 1-3, characterized in that, The horizontally buried straw mat structure includes a mounting frame, a second straw mat roll, a fixed frame, an active conveying roller, a driven conveying roller, a cutting mechanism, and a straw insertion mechanism. The mounting frame is fixed to the truck bed, and the second straw mat roll is rotatably mounted on the mounting frame, with its axis perpendicular to the axis of the first straw mat roll. The fixed frame is fixed below the truck bed, and two parallel active and driven conveying rollers are rotatably mounted on one end of the fixed frame near the second straw mat roll. A drive motor is fixed to the fixed frame, and its output shaft is connected to one end of the active conveying roller via a bevel gear. The other end of the active conveying roller is connected to the driven conveying roller via a gear. The cutting mechanism is located on the fixed frame near the active conveying roller, and the straw insertion mechanism is located at the bottom of the truck bed above the fixed frame. The free end of the second straw mat roll passes between the active and driven conveying rollers, then through the cutting mechanism, and is located below the straw insertion mechanism.

5. A straw mat checkered sand barrier laying machine according to claim 4, characterized in that, The cutting mechanism includes a cylinder and a guillotine; the guillotine is movably mounted on the fixed frame above and below the discharge end between the active conveying roller and the driven conveying roller via the cylinder, and the two guillotines are arranged correspondingly.

6. A straw mat checkered sand barrier laying machine according to claim 4, characterized in that, The grass-planting mechanism includes a pressure plate. At least one pressure plate with its length direction perpendicular to the axis of the active conveying roller is sequentially arranged at the bottom of the bucket above the center line of the fixed frame. A third hydraulic cylinder is fixed at the bottom of the bucket on both sides of the pressure plate, and the telescopic end of the third hydraulic cylinder is fixedly connected to the pressure plate.

7. A straw mat checkered sand barrier laying machine according to claim 5 or 6, characterized in that, Guide grooves are respectively provided on the fixed frames at both ends of the active conveying roller, and slots are provided on the fixed frames opposite the active conveying roller. The two ends of the slots are respectively connected to the corresponding guide grooves.

8. A straw mat checkered sand barrier laying machine according to claim 7, characterized in that, Several guide wheels are sequentially arranged at the bottom of the guide groove along its length, with the axis of the guide wheels being parallel to the axis of the active conveying roller; the two sides of the unfolded straw mat of the second straw mat roll are positioned above the guide wheels in the corresponding guide grooves, and the free end of the second straw mat roll is movably inserted into the slot.

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