Foldable divided-flow land preparation machine

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a foldable shunting type soil preparation machine which comprises a machine frame, a front soil leveling assembly, a rear soil leveling assembly and a soil crushing assembly, and a traction mechanism is fixedly connected to the middle of the front end of the machine frame. The traction equipment drives the machine frame to move, in the moving process, cultivated soil is bulldozed and evenly spread through the left soil leveling assembly, the right soil leveling assembly, the front soil leveling assembly and the rear soil leveling assembly, the leveling purpose is achieved, then the soil crushing mechanism moves forwards along with the machine frame to the bulldozed soil and crushes soil blocks in the soil, the soil is looser, and sowing is facilitated; when the land preparation machine needs to be folded, the left frame and the right frame swing upwards through the first lifting mechanism and the second lifting mechanism, the width of the foldable flow dividing type land preparation machine can be effectively reduced, and transportation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery and is a foldable split-flow type land preparation machine. Background Art

[0002] In the traditional agricultural production process, manual land preparation is a labor-intensive and inefficient task. Farmers need to rely on manual tools to complete tasks such as tilling, loosening and leveling the land. This method is not only time-consuming and labor-intensive, but also difficult to achieve uniform and deep land preparation, which affects the growth and yield of crops. With the advancement of agricultural modernization, various agricultural machinery has emerged to improve agricultural production efficiency and reduce farmers' labor intensity.

[0003] Existing land preparation machinery is large in size, which makes it very inconvenient to store and transport it during the non-operating season. In addition, traditional land preparation machinery is often ineffective in handling these large clods of soil and is unable to effectively crush and disperse these clods of soil. As a result, during the land preparation process, these large clods of soil are often broken up by manpower before the machinery can be used again for land preparation. This not only increases labor costs, but also reduces the efficiency of land preparation. Summary of the invention

[0004] The utility model provides a foldable split-flow soil preparation machine, which overcomes the deficiencies of the above-mentioned prior art and can effectively solve the problems of inconvenient transportation and low soil preparation efficiency of the existing soil preparation machines.

[0005] The technical solution of the utility model is achieved through the following measures: a foldable split-flow land leveling machine, including a frame, a front soil leveling component, a rear soil leveling component and a soil crushing assembly, a traction mechanism is fixedly connected to the middle of the front end of the frame, a soil crushing assembly for crushing soil blocks is connected to the rear end of the frame, the frame includes a left frame, a middle frame and a right frame, the left frame is hinged to the right end of the middle frame, the right end of the middle frame is hinged to the right frame, a lifting assembly capable of swinging the left frame and the right frame upward is fixedly installed on the upper end of the middle frame, the lifting assembly includes a first lifting mechanism and a second lifting mechanism spaced apart from each other in the front and rear, and a middle frame corresponding to the position between the first lifting mechanism and the second lifting mechanism. A front soil leveling assembly is fixedly installed on the lower front end of the middle frame, and the front soil leveling assembly is in an "eight" shape that is narrow in the front and wide in the back. A rear soil leveling assembly is fixedly installed on the lower rear end of the middle frame, and the rear soil leveling assembly is in a "V" shape that opens backwards. A left soil leveling assembly is fixedly installed on the lower end of the left frame, and a first trumpet-shaped soil guiding channel that is wide in the front and narrow in the back is formed between the front of the left soil leveling assembly and the left side of the front soil leveling assembly, and a second soil guiding channel that is inclined to the right with respect to the rear is formed between the rear of the left soil leveling assembly and the left side of the rear soil leveling assembly, and the front of the second soil guiding channel is connected with the rear of the first soil guiding channel. A right soil leveling assembly that has the same structure as the left soil leveling assembly and is symmetrically arranged is fixedly installed on the lower end of the right frame.

[0006] The following are further optimizations and / or improvements to the above utility model technical solution:

[0007] The front leveling component may include a first scraper and a second scraper. The first scraper is fixedly installed at the lower front end of the middle frame and tilted backward from right to left. The left side of the first scraper is in an arc shape with an opening to the left. The second scraper is fixedly installed at the lower front end of the middle frame corresponding to the right position of the first scraper and symmetrically distributed with the first scraper. The right side of the second scraper is in an arc shape with an opening to the right. The rear leveling component includes a third scraper and a fourth scraper. The third scraper is fixedly installed at the lower rear end of the middle frame and tilted backward from right to left. The third scraper corresponds to the third scraper. A fourth scraper symmetrically distributed with the third scraper is fixedly installed at the lower rear end of the middle frame at the right position. The left leveling assembly includes a fifth scraper and a sixth scraper. The fifth scraper inclined forward from right to left is fixedly installed at the lower front end of the left frame corresponding to the left position of the first scraper. The sixth scraper inclined backward from right to left is fixedly installed at the lower rear end of the left frame corresponding to the left position of the third scraper. The third scraper and the sixth scraper have the same cross-section as the first scraper, and the fourth scraper and the fifth scraper have the same cross-section as the second scraper.

[0008] The soil crushing assembly may include a first crushing mechanism, a second crushing mechanism and a third crushing mechanism. The rear end of the left frame is hinged with at least one first crushing mechanism, the rear end of the middle frame is hinged with at least one second crushing mechanism, and the rear end of the right frame is hinged with at least one third crushing mechanism. The first crushing mechanism includes a crushing assembly and a plurality of adjustment assemblies spaced apart from each other. The rear lower end of each adjustment assembly is hinged with the crushing assembly. The adjustment assembly includes a square shell, a first hinge seat, a first adjustment rod, a second adjustment rod, an adjustment bolt and a limit rod. The rear of the left frame is fixedly installed with a first hinge seat, and the first adjustment rod is hingedly installed in the first hinge seat. A section rod, a second adjusting rod in the upper and lower ends of the rear parts of the first adjusting rod is fixedly connected with the upper and lower ends of the second adjusting rod, the lower ends of the second adjusting rod are hinged with the crushing assembly, a square shell with front and rear openings is fixedly installed on the outer side of the upper part of the first hinge seat, a plurality of adjustment holes penetrating left and right are arranged at intervals on the upper and lower left sides of the lower part of the square shell corresponding to the lower side position of the first adjusting rod, a limit rod is installed in one of the adjustment holes, an adjustment hole penetrating up and down is opened on the upper end of the square shell corresponding to the position of the first adjusting rod, an adjustment bolt whose lower end contacts with the upper side of the first adjusting rod is threaded in the adjustment hole, the second crushing mechanism and the third crushing mechanism are consistent with the first crushing mechanism in structure and are distributed at intervals.

[0009] The above-mentioned crushing assembly may include a soil crushing frame, a front mounting plate, a first support shaft, a rear mounting plate and a second support shaft. A second hinge seat corresponding to the second adjusting rod is fixedly installed on the inner side of the soil crushing frame, and the lower end of each second adjusting rod is hingedly installed in the corresponding second hinge seat. Front mounting plates inclined upward from front to rear are fixedly installed on the left and right sides of the front end of the soil crushing frame, and the first support shaft is rotatably installed between the lower parts of the two front mounting plates. A soil crushing roller is fixedly installed on the outer side of the first support shaft. Rear mounting plates inclined downward from front to rear are fixedly installed on the left and right sides of the rear end of the soil crushing frame, and the second support shaft is rotatably installed between the lower parts of the two rear mounting plates. A soil pressing roller is fixedly installed on the outer side of the second support shaft.

[0010] The above-mentioned first lifting mechanism may include a third articulated seat, a fourth articulated seat, a fifth articulated seat and a sixth articulated seat. A crossbeam is fixedly installed on the front upper end of the middle frame, a third articulated seat is fixedly installed on the left upper end of the crossbeam, a fourth articulated seat is fixedly installed on the right end of the left frame corresponding to the position of the third articulated seat, a first hydraulic rod is hinged between the third articulated seat and the fourth articulated seat, a fifth articulated seat is fixedly installed on the right upper end of the crossbeam, a sixth articulated seat is fixedly installed on the left end of the right frame corresponding to the position of the fifth articulated seat, and a second hydraulic rod is hinged between the fifth articulated seat and the sixth articulated seat.

[0011] The above-mentioned traction mechanism may include a traction frame and a traction rod, the traction rod is hingedly installed on the upper rear end of the traction frame, the seventh hinged seat is fixedly installed in the middle of the first lifting mechanism, a round tube is hingedly installed on the inner side of the seventh hinged seat, a sleeve is fixedly installed on the inner side of the round tube, the rear end of the traction rod passes through the rear end of the sleeve and is located behind the seventh hinged seat, a first spring is sleeved on the outer side of the traction rod corresponding to the front position of the sleeve, the rear end of the first spring is fixedly connected to the front end of the sleeve, a second spring is sleeved on the outer side of the traction rod corresponding to the rear position of the sleeve, the front end of the second spring is fixedly connected to the rear end of the sleeve, and an adjusting nut is screwed on the rear part of the traction rod corresponding to the rear position of the second spring.

[0012] A rotating shaft is rotatably installed on the upper end of the middle frame corresponding to the position between the first lifting mechanism and the second lifting mechanism, and support arms are fixedly installed on the left and right ends of the rotating shaft. A transport wheel is rotatably installed on the front of each support arm, and a swing arm with its upper part tilted forward relative to the lower part is fixedly installed on the front side of the middle part of the rotating shaft, and a hydraulic cylinder is hingedly installed on the upper part of the swing arm and the upper side of the rear of the middle frame.

[0013] The utility model has a reasonable and compact structure and is easy to use. When the land is leveled, the traction frame is connected to an external traction device, and the traction device drives the frame to move. During the movement, the soil of the cultivated land is flattened and evenly spread out by the left soil leveling component, the right soil leveling component, the front soil leveling component, and the rear soil leveling component to achieve the purpose of leveling. Then, the soil crushing mechanism moves forward with the frame to the flattened soil and breaks up the soil clods in the soil, making the soil looser and conducive to sowing. When it needs to be folded up, the left frame and the right frame are swung upward by the first lifting mechanism and the second lifting mechanism, which can effectively reduce the width of the foldable split-flow land preparation machine and facilitate transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of the structure of the utility model when it is unfolded.

[0015] Attached Figure 2 It is a three-dimensional structural schematic diagram of the utility model when it is unfolded.

[0016] Attached Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when folded.

[0017] Attached Figure 4 It is a schematic diagram of the structure of the utility model when it is folded.

[0018] Attached Figure 5 It is a left-side structural schematic diagram of the utility model when folded.

[0019] Attached Figure 6 For attachment Figure 1 A local enlarged schematic diagram of point A in the middle.

[0020] The codes in the accompanying drawings are: 1 is a left frame, 2 is a middle frame, 3 is a right frame, 4 is a traction frame, 5 is a limit rod, 6 is a square shell, 7 is a first hinge seat, 8 is a first adjustment rod, 9 is a second adjustment rod, 10 is an adjustment bolt, 11 is a soil crushing frame, 12 is a front mounting plate, 13 is a first support shaft, 14 is a second support shaft, 15 is a second hinge seat, 16 is a soil crushing roller, 17 is a soil pressing roller, 18 is a first scraper, 19 is a second scraper, and 20 is a third scraper , 21 is the fourth scraper, 22 is the fifth scraper, 23 is the sixth scraper, 24 is the third articulated seat, 25 is the fourth articulated seat, 26 is the fifth articulated seat, 27 is the sixth articulated seat, 28 is the crossbeam, 29 is the first hydraulic rod, 30 is the second hydraulic rod, 31 is the traction rod, 32 is the first spring, 33 is the seventh articulated seat, 34 is the round tube, 35 is the rotating shaft, 36 is the transport wheel, 37 is the rear mounting plate, 38 is the sleeve, 39 is the second spring, and 40 is the support arm. DETAILED DESCRIPTION

[0021] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.

[0022] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 1 The positional relationships such as front, back, top, bottom, left, and right are described according to the layout directions of the drawings in the specification.

[0023] The present invention is further described below in conjunction with the embodiments and drawings:

[0024] Embodiment 1, as attached Figure 1 , 2 As shown in Figures 3, 4, 5 and 6, the foldable split-flow land leveling machine includes a frame, a front soil-leveling component, a rear soil-leveling component and a soil crushing assembly. A traction mechanism is fixedly connected to the middle of the front end of the frame, and a soil crushing assembly for crushing soil blocks is connected to the rear end of the frame. The frame includes a left frame 1, a middle frame 2 and a right frame 3. The middle frame 2 is hinged at the right end of the left frame 1, and the right frame 3 is hinged at the right end of the middle frame 2. A lifting assembly capable of swinging the left frame 1 and the right frame 3 upward is fixedly installed on the upper end of the middle frame 2. The lifting assembly includes a first lifting mechanism and a second lifting mechanism spaced apart from each other in the front and rear directions. The middle frame 2 corresponding to the position between the first lifting mechanism and the second lifting mechanism is provided with a transport mechanism. Wheel 36, a front soil-leveling assembly is fixedly installed at the lower front end of the middle frame 2, and the front soil-leveling assembly is in an eight-shaped shape with a narrow front and a wide rear. A rear soil-leveling assembly is fixedly installed at the lower rear end of the middle frame 2, and the rear soil-leveling assembly is in a V-shape with an opening backward. A left soil-leveling assembly is fixedly installed at the lower end of the left frame 1, and a trumpet-shaped first soil-guiding channel with a wide front and a narrow rear is formed between the front of the left soil-leveling assembly and the left side of the front soil-leveling assembly, and a second soil-guiding channel with a front portion inclined to the right relative to the rear is formed between the rear of the left soil-leveling assembly and the left side of the rear soil-leveling assembly, and the front of the second soil-guiding channel is connected to the rear of the first soil-guiding channel. A right soil-leveling assembly with the same structure as the left soil-leveling assembly and symmetrically arranged is fixedly installed at the lower end of the right frame 3.

[0025] When performing land preparation work, the traction frame 4 is connected to an external traction device, and the traction device drives the frame to move. During the movement, the soil of the cultivated land is flattened and evenly spread out by the left soil leveling component, the right soil leveling component, the front soil leveling component, and the rear soil leveling component to achieve the purpose of leveling. After that, the soil crushing mechanism moves forward with the random frame to the flattened soil and breaks up the soil clods in the soil, making the soil looser and conducive to sowing; when it needs to be folded up, the left frame 1 and the right frame 3 are swung upward by the first lifting mechanism and the second lifting mechanism, which can effectively reduce the width of the foldable diversion type land preparation machine and facilitate transportation.

[0026] The above-mentioned foldable split-flow soil leveling machine can be further optimized and / or improved according to actual needs:

[0027] Embodiment 2, as attached Figure 1 , 2 , 3, 4, 5, and 6, this embodiment is a further optimization of the above embodiment, the front leveling component includes a first scraper 18 and a second scraper 19, the first scraper 18 tilted backward from right to left is fixedly installed at the front lower end of the middle frame 2, the left side of the first scraper 18 is in an arc shape with an opening to the left, and the second scraper 19 symmetrically distributed with the first scraper 18 is fixedly installed at the front lower end of the middle frame 2 corresponding to the right position of the first scraper 18, and the right side of the second scraper 19 is in an arc shape with an opening to the right, the rear leveling component includes a third scraper 20 and a fourth scraper 21, and the third scraper tilted backward from right to left is fixedly installed at the rear lower end of the middle frame 2 20, a fourth scraper 21 symmetrically distributed with the third scraper 20 is fixedly installed at the lower rear end of the middle frame 2 corresponding to the right position of the third scraper 20, and the left leveling assembly includes a fifth scraper 22 and a sixth scraper 23. A fifth scraper 22 inclined forward from right to left is fixedly installed at the lower front end of the left frame 1 corresponding to the left position of the first scraper 18, and a sixth scraper 23 inclined backward from right to left is fixedly installed at the lower rear end of the left frame 1 corresponding to the left position of the third scraper 20. The third scraper 20 and the sixth scraper 23 have the same cross-section as the first scraper 18, and the fourth scraper 21 and the fifth scraper 22 have the same cross-section as the second scraper 19. A third soil guiding channel is formed between the first scraper 18 and the second scraper 19. During the forward movement of the left frame 1, the middle frame 2 and the right frame 3, the soil is diverted and flattened by the left leveling assembly, the front leveling assembly, the rear leveling assembly and the right leveling assembly, so that the surface soil is evenly distributed, thereby achieving efficient land leveling. The left side of the first scraper 18 is in an arc shape with an opening to the left, and the right side of the second scraper 19 is in an arc shape with an opening to the right, which can reduce the resistance when scraping the soil.

[0028] Embodiment 3, as attached Figure 1 , 2, 3, 4, and 5, this embodiment is a further optimization of the above embodiment. The soil crushing assembly includes a first crushing mechanism, a second crushing mechanism, and a third crushing mechanism. At least one first crushing mechanism is hinged at the rear end of the left frame 1, at least one second crushing mechanism is hinged at the rear end of the middle frame 2, and at least one third crushing mechanism is hinged at the rear end of the right frame 3. The first crushing mechanism includes a crushing assembly and a plurality of adjustment assemblies spaced apart from each other. The lower end of the rear of each adjustment assembly is hinged to the crushing assembly. The adjustment assembly includes a square shell 6, a first hinge seat 7, a first adjustment rod 8, a second adjustment rod 9, an adjustment bolt 10, and a limit rod 5. The first hinge seat 7 is fixedly installed at the rear of the left frame 1. A first adjusting rod 8 is hingedly installed in the seat 7, and a second adjusting rod 9 is fixedly connected to the lower rear end of the first adjusting rod 8 in the upward and downward directions. The lower end of the second adjusting rod 9 is hinged to the crushing assembly, and a square shell 6 with front and rear openings is fixedly installed on the outer side of the upper part of the first hinged seat 7. A number of adjustment holes are arranged at intervals from top to bottom on the lower left side of the square shell 6 corresponding to the lower side of the first adjusting rod 8. A limiting rod 5 is installed in one of the adjustment holes. An adjustment hole is arranged at the upper end of the square shell 6 corresponding to the position of the first adjusting rod 8, and an adjusting bolt 10 is screwed in the adjustment hole, the lower end of which contacts the upper side of the first adjusting rod 8. The second crushing mechanism and the third crushing mechanism are consistent with the first crushing mechanism in structure and are distributed at intervals. When in use, remove the limit rod 5 and move the adjusting bolt 10 downward, so that the adjusting bolt 10 presses the first adjusting rod 8 downward, the first adjusting rod 8 presses the second adjusting rod 9 downward, and the second adjusting rod 9 presses the crushing assembly downward. The lower end of the crushing assembly is pressed against the ground, generating a reaction force. The first adjusting rod 8 is supported by the adjusting bolt 10 and cannot move upward. Therefore, the reaction force will lift the adjusting bolt 10, the square shell 6 and the first hinge seat 7, thereby raising the height of the left frame 1, which can adjust the contact area between the left leveling assembly and the ground to prevent the left leveling assembly from having too large a contact area with the ground, resulting in excessive resistance during traction; when it needs to be folded up for transportation, install the limit rod 5 into any adjusting hole to prevent the crushing assembly from moving downward.

[0029] Embodiment 4, as attached Figure 1 , 2As shown in Figures 3, 4, and 5, this embodiment is a further optimization of the above embodiment. The crushing assembly includes a soil crushing frame 11, a front mounting plate 12, a first support shaft 13, a rear mounting plate 37 and a second support shaft 14. A second hinge seat 15 corresponding to the second adjusting rod 9 is fixedly installed on the inner side of the soil crushing frame 11, and the lower end of each second adjusting rod 9 is hingedly installed in the corresponding second hinge seat 15. Front mounting plates 12 inclined upward from front to back are fixedly installed on both sides of the front end of the soil crushing frame 11, and the first support shaft 13 is rotatably installed between the lower parts of the two front mounting plates 12. A soil crushing roller 16 is fixedly installed on the outer side of the first support shaft 13. Rear mounting plates 37 inclined downward from front to back are fixedly installed on both sides of the rear end of the soil crushing frame 11, and the second support shaft 14 is rotatably installed between the lower parts of the two rear mounting plates 37. A soil pressing roller 17 is fixedly installed on the outer side of the second support shaft 14. The soil crushing roller 16 and the soil pressing roller 17 are both of the prior art. The soil pressing roller 17 is arranged behind the soil crushing roller 16. After the soil crushing roller 16 breaks up the soil clods, the soil pressing roller 17 can flatten the soil again.

[0030] Embodiment 5, as attached Figure 1 , 2 As shown in Figures 3, 4 and 5, this embodiment is a further optimization of the above-mentioned embodiment. The first lifting mechanism includes a third articulated seat 24, a fourth articulated seat 25, a fifth articulated seat 26 and a sixth articulated seat 27. A cross beam 28 is fixedly installed on the front upper end of the middle frame 2, and the third articulated seat 24 is fixedly installed on the left upper end of the cross beam 28. The fourth articulated seat 25 is fixedly installed on the right end of the left frame 1 corresponding to the position of the third articulated seat 24. A first hydraulic rod 29 is hinged between the third articulated seat 24 and the fourth articulated seat 25. A fifth articulated seat 26 is fixedly installed on the right upper end of the cross beam 28. A sixth articulated seat 27 is fixedly installed on the left end of the right frame 3 corresponding to the position of the fifth articulated seat 26. A second hydraulic rod 30 is hinged between the fifth articulated seat 26 and the sixth articulated seat 27. The first hydraulic rod 29 and the second hydraulic rod 30 are both existing well-known technologies. The first hydraulic rod 29 is hinged between the third articulated seat 24 and the fourth articulated seat 25. When needed, the piston rod of the first hydraulic rod 29 is retracted to make the left end of the left frame 1 swing upward. The second hydraulic rod 30 is hinged between the fifth articulated seat 26 and the sixth articulated seat 27. When needed, the piston rod of the second hydraulic rod 30 is retracted to make the right end of the right frame 3 swing upward, which can effectively reduce the width of the foldable split-type land preparation machine and facilitate loading and transportation. A second lifting mechanism is provided behind the first lifting mechanism, and the first lifting mechanism and the second lifting mechanism cooperate to prevent the left frame 1 and the right frame 3 from unbalanced and tilting when they swing.

[0031] Embodiment 6, as attached Figure 1 , 2As shown in , 4, 5, and 6, this embodiment is a further optimization of the above embodiment. The traction mechanism includes a traction frame 4 and a traction rod 31. The traction rod 31 is hingedly installed on the upper rear end of the traction frame 4, a seventh hinge seat 33 is fixedly installed in the middle of the first lifting mechanism, a round tube 34 is hingedly installed on the inner side of the seventh hinge seat 33, a sleeve 38 is fixedly installed on the inner side of the round tube 34, a rear end of the traction rod 31 passes through the rear end of the sleeve 38 and is located behind the seventh hinge seat 33, a first spring 32 is sleeved on the outer side of the traction rod 31 corresponding to the front position of the sleeve 38, the rear end of the first spring 32 is fixedly connected to the front end of the sleeve 38, a second spring 39 is sleeved on the outer side of the traction rod 31 corresponding to the rear position of the sleeve 38, the front end of the second spring 39 is fixedly connected to the rear end of the sleeve 38, and an adjusting nut is screwed on the rear part of the traction rod 31 corresponding to the rear position of the second spring 39. In this embodiment, a first spring 32 and a second spring 39 are provided to reduce vibration of the hinged portion between the traction frame 4 and the middle frame 2 during traction. An adjusting nut is screwed onto the rear portion of the traction rod 31, and the tightness of the second spring 39 can be adjusted by moving the adjusting nut forward.

[0032] Embodiment 7, as attached Figure 1 , 2 As shown in Figures 3, 4 and 5, this embodiment is a further optimization of the above embodiments, a rotating shaft 35 is rotatably installed on the upper end of the middle frame 2 corresponding to the position between the first lifting mechanism and the second lifting mechanism, and support arms 40 are fixedly installed on the left and right ends of the rotating shaft 35, and a transport wheel 36 is rotatably installed on the front of each support arm 40, and a swing arm with its upper part tilted forward relative to the lower part is fixedly installed on the front side of the middle part of the rotating shaft 35, and a hydraulic cylinder is hingedly installed on the upper part of the swing arm and the upper side of the rear of the middle frame 2. The hydraulic cylinder is a well-known technology. When in use, the piston rod of the hydraulic cylinder is extended and retracted, thereby swinging the support arm 40 upward or downward. Specifically, when performing ground leveling work, the piston rod of the hydraulic cylinder is retracted, causing the upper part of the swing arm to swing backward, thereby driving the rotating shaft 35 and the support arm 40 to rotate. After the support arm 40 rotates, the lower side of the transport wheel 36 is separated from the ground, so that the front leveling assembly, the rear leveling assembly and the soil crushing assembly are in contact with the ground, so that normal ground leveling operations can be carried out. After the ground leveling operations are completed, the piston rod of the hydraulic cylinder is extended, causing the upper part of the swing arm to swing forward, thereby driving the rotating shaft 35 and the support arm 40 to rotate. After the support arm 40 rotates, the lower side of the transport wheel 36 is in contact with the ground, so that the transport wheel 36 is in contact with the ground and props up the bracket, so that it can be towed on the road surface for easy movement.

[0033] The above technical features constitute the embodiments of the present utility model, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.

Claims

1. A foldable split-flow land leveling machine, characterized in that The machine comprises a frame, a front soil-leveling component, a rear soil-leveling component and a soil-crushing assembly. A traction mechanism is fixedly connected to the middle of the front end of the frame, and a soil-crushing assembly for crushing soil blocks is connected to the rear end of the frame. The frame comprises a left frame, a middle frame and a right frame. The right end of the left frame is hinged with the middle frame, and the right end of the middle frame is hinged with the right frame. A lifting assembly capable of swinging the left frame and the right frame upward is fixedly installed on the upper end of the middle frame. The lifting assembly comprises a first lifting mechanism and a second lifting mechanism spaced apart from each other in the front and rear, a middle frame transport wheel corresponding to the position between the first lifting mechanism and the second lifting mechanism, and a A front soil leveling assembly is in an eight-shaped shape that is narrow in front and wide in the back. The rear soil leveling assembly is fixedly installed on the lower rear end of the middle frame. The rear soil leveling assembly is in a V-shape that opens backwards. The left soil leveling assembly is fixedly installed on the lower end of the left frame. A trumpet-shaped first soil guide channel that is wide in front and narrow in the back is formed between the front of the left soil leveling assembly and the left side of the front soil leveling assembly. A second soil guide channel that is inclined to the right relative to the rear is formed between the rear of the left soil leveling assembly and the left side of the rear soil leveling assembly. The front of the second soil guide channel is connected to the rear of the first soil guide channel. A right soil leveling assembly that has the same structure as the left soil leveling assembly and is symmetrically arranged is fixedly installed on the lower end of the right frame.

2. The foldable split-flow soil leveling machine according to claim 1, characterized in that The front soil leveling assembly includes a first scraper and a second scraper. The first scraper is fixedly installed on the lower front end of the middle frame and tilted backward from right to left. The left side of the first scraper is in an arc shape with an opening to the left. The second scraper is symmetrically distributed with the first scraper and fixedly installed on the lower front end of the middle frame corresponding to the right position of the first scraper. The right side of the second scraper is in an arc shape with an opening to the right. The rear soil leveling assembly includes a third scraper and a fourth scraper. The third scraper is fixedly installed on the lower rear end of the middle frame and tilted backward from right to left. The fourth scraper is fixedly installed on the lower rear end of the middle frame corresponding to the right position of the third scraper and symmetrically distributed with the third scraper. The left soil leveling assembly includes a fifth scraper and a sixth scraper. The fifth scraper is fixedly installed on the lower front end of the left frame corresponding to the left position of the first scraper and tilted forward from right to left. The sixth scraper is fixedly installed on the lower rear end of the left frame corresponding to the left position of the third scraper and tilted backward from right to left. The third scraper and the sixth scraper have the same cross-section as the first scraper, and the fourth scraper and the fifth scraper have the same cross-section as the second scraper.

3. The foldable split-flow soil leveling machine according to claim 1 or 2, characterized in that The soil crushing assembly includes a first crushing mechanism, a second crushing mechanism and a third crushing mechanism. At least one first crushing mechanism is hinged to the rear end of the left frame, at least one second crushing mechanism is hinged to the rear end of the middle frame, and at least one third crushing mechanism is hinged to the rear end of the right frame. The first crushing mechanism includes a crushing assembly and a plurality of adjustment assemblies spaced apart from each other. The lower end of the rear of each adjustment assembly is hinged to the crushing assembly. The adjustment assembly includes a square shell, a first hinge seat, a first adjustment rod, a second adjustment rod, an adjustment bolt and a limit rod. The first hinge seat is fixedly installed at the rear of the left frame, and the first adjustment rod is hingedly installed in the first hinge seat. Rod, the lower end of the rear part of the first adjusting rod is fixedly connected with a second adjusting rod in the upward and downward direction, the lower end of the second adjusting rod is hinged to the crushing assembly, a square shell with front and rear openings is fixedly installed on the outer side of the upper part of the first hinge seat, and a plurality of adjustment holes are arranged at intervals from top to bottom on the left side of the lower part of the square shell corresponding to the lower side of the first adjusting rod, a limit rod is installed in one of the adjustment holes, and an adjustment hole is arranged at the upper end of the square shell corresponding to the position of the first adjusting rod, and an adjustment bolt whose lower end contacts with the upper side of the first adjusting rod is screwed in the adjustment hole, and the second crushing mechanism and the third crushing mechanism are consistent with the first crushing mechanism in structure and are distributed at intervals.

4. The foldable split-flow soil leveling machine according to claim 3, characterized in that The crushing assembly includes a soil crushing frame, a front mounting plate, a first support shaft, a rear mounting plate and a second support shaft. A second hinge seat corresponding to the second adjusting rod is fixedly installed on the inner side of the soil crushing frame, and the lower end of each second adjusting rod is hingedly installed in the corresponding second hinge seat. Front mounting plates inclined upward from front to rear are fixedly installed on the left and right sides of the front end of the soil crushing frame, and the first support shaft is rotatably installed between the lower parts of the two front mounting plates. A soil crushing roller is fixedly installed on the outer side of the first support shaft. Rear mounting plates inclined downward from front to rear are fixedly installed on the left and right sides of the rear end of the soil crushing frame, and the second support shaft is rotatably installed between the lower parts of the two rear mounting plates. A soil pressing roller is fixedly installed on the outer side of the second support shaft.

5. The foldable split-flow soil leveling machine according to claim 1, 2 or 4, characterized in that The first lifting mechanism includes a third articulated seat, a fourth articulated seat, a fifth articulated seat and a sixth articulated seat, a crossbeam is fixedly installed on the front upper end of the middle frame, a third articulated seat is fixedly installed on the left upper end of the crossbeam, a fourth articulated seat is fixedly installed on the right end of the left frame corresponding to the position of the third articulated seat, a first hydraulic rod is hinged between the third articulated seat and the fourth articulated seat, a fifth articulated seat is fixedly installed on the right upper end of the crossbeam, a sixth articulated seat is fixedly installed on the left end of the right frame corresponding to the position of the fifth articulated seat, and a second hydraulic rod is hinged between the fifth articulated seat and the sixth articulated seat.

6. The foldable split-flow soil leveling machine according to claim 3, characterized in that The first lifting mechanism includes a third articulated seat, a fourth articulated seat, a fifth articulated seat and a sixth articulated seat, a crossbeam is fixedly installed on the front upper end of the middle frame, a third articulated seat is fixedly installed on the left upper end of the crossbeam, a fourth articulated seat is fixedly installed on the right end of the left frame corresponding to the position of the third articulated seat, a first hydraulic rod is hinged between the third articulated seat and the fourth articulated seat, a fifth articulated seat is fixedly installed on the right upper end of the crossbeam, a sixth articulated seat is fixedly installed on the left end of the right frame corresponding to the position of the fifth articulated seat, and a second hydraulic rod is hinged between the fifth articulated seat and the sixth articulated seat.

7. The foldable split-flow soil leveling machine according to claim 1, 2 or 4, characterized in that The traction mechanism includes a traction frame and a traction rod, a traction rod is hingedly installed on the upper rear end of the traction frame, a seventh hinged seat is fixedly installed in the middle of the first lifting mechanism, a round tube is hingedly installed on the inner side of the seventh hinged seat, a sleeve is fixedly installed on the inner side of the round tube, the rear end of the traction rod passes through the rear end of the sleeve and is located behind the seventh hinged seat, a first spring is sleeved on the outer side of the traction rod corresponding to the front position of the sleeve, the rear end of the first spring is fixedly connected to the front end of the sleeve, a second spring is sleeved on the outer side of the traction rod corresponding to the rear position of the sleeve, the front end of the second spring is fixedly connected to the rear end of the sleeve, and an adjusting nut is screwed on the rear of the traction rod corresponding to the rear position of the second spring.

8. The foldable split-flow soil leveling machine according to claim 3, characterized in that The traction mechanism includes a traction frame and a traction rod, a traction rod is hingedly installed on the upper rear end of the traction frame, a seventh hinged seat is fixedly installed in the middle of the first lifting mechanism, a round tube is hingedly installed on the inner side of the seventh hinged seat, a sleeve is fixedly installed on the inner side of the round tube, the rear end of the traction rod passes through the rear end of the sleeve and is located behind the seventh hinged seat, a first spring is sleeved on the outer side of the traction rod corresponding to the front position of the sleeve, the rear end of the first spring is fixedly connected to the front end of the sleeve, a second spring is sleeved on the outer side of the traction rod corresponding to the rear position of the sleeve, the front end of the second spring is fixedly connected to the rear end of the sleeve, and an adjusting nut is screwed on the rear of the traction rod corresponding to the rear position of the second spring.

9. The foldable split-flow soil leveling machine according to claim 1, 2, 4, 6 or 8, characterized in that A rotating shaft is rotatably installed on the upper end of the middle frame corresponding to the position between the first lifting mechanism and the second lifting mechanism, support arms are fixedly installed on the left and right ends of the rotating shaft, a transport wheel is rotatably installed on the front of each support arm, a swing arm with its upper part tilted forward relative to the lower part is fixedly installed on the front side of the middle part of the rotating shaft, and a hydraulic cylinder is hingedly installed on the upper part of the swing arm and the upper side of the rear of the middle frame.

10. The foldable split-flow soil leveling machine according to claim 3, characterized in that A rotating shaft is rotatably installed on the upper end of the middle frame corresponding to the position between the first lifting mechanism and the second lifting mechanism, support arms are fixedly installed on the left and right ends of the rotating shaft, a transport wheel is rotatably installed on the front of each support arm, a swing arm with its upper part tilted forward relative to the lower part is fixedly installed on the front side of the middle part of the rotating shaft, and a hydraulic cylinder is hingedly installed on the upper part of the swing arm and the upper side of the rear of the middle frame.

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