Folding type combined land preparation machine

Abstract

The utility model discloses a folding type combined land preparation machine, which relates to the technical field of combined land preparation machines and comprises a main beam, two sides of the main beam are rotatably connected with land preparation devices, each land preparation device comprises a connecting frame, and a cutting component and a soil loosening component are respectively mounted in each connecting frame from front to back. The cutting assembly comprises a plurality of cutting blades with the height capable of being adjusted up and down, and the disc harrow blade is installed on the connecting frame in a sliding mode through a plurality of elastic telescopic rods. According to the folding type combined land preparation machine, by arranging the cutting assembly, the cutting assembly cuts off crop stalks and weeds above the ground in advance, the workload of a rear disc harrow blade is relieved, and the disc harrow only needs to loosen soil and cut the cut stalks, weeds and underground roots. By arranging the soil loosening assembly, disc harrow blades of the soil loosening assembly are installed through the elastic telescopic rods, when the soil loosening assembly meets shallow stones, the telescopic rods contract to reduce friction between the harrow blades and the stones, abrasion is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of combined land preparation machine especially relates to a folding combined land preparation machine. BACKGROUND

[0002] The combined land preparation machine is a complex operation machine matched with a large or medium-sized tractor, and can complete multiple operations such as stubble cleaning, rotary tillage, deep loosening, ridging and pressing in one time, and has the characteristics of high operation efficiency. The land preparation machine has the characteristics of breaking plough pan, restoring soil tillage structure, improving soil water storage and soil conservation capacity, eliminating part of weeds, reducing pests and diseases, leveling ground surface and improving agricultural mechanization operation efficiency.

[0003] Publication No. CN208317300U, name: folding combined land preparation machine, it discloses: including traction frame, frame and walking wheel, the frame is composed of middle beam, folding connection side beam and connecting crossbeam, the folding connection side beam is equipped on both sides of the middle beam, the connecting crossbeam connects the folding connection side beam and the middle beam, the middle part of the middle beam is equipped with folding oil cylinder connecting frame, the folding oil cylinder connecting frame and folding connection side beam are equipped with folding oil cylinder, the traction frame is equipped with notch harrow piece group and disc harrow piece group behind, the notch harrow piece group, disc harrow piece group, all are equipped under the middle beam and folding connection side beam. Compared with the prior art, the harrow group and the pressing wheel part of the land preparation machine can be folded with the land preparation machine, so that the land preparation machine greatly reduces the walking width on both sides during walking after folding, and the walking interval width of the overall frame after folding is small, so the overall machine has good transportation and walking effect after folding.

[0004] However, the above-mentioned folding combined land preparation machine cannot cut the stems above the ground before the disc harrow loosens the soil when leveling the land, and if the stems above the ground are not cut before land preparation, the effect of subsequent land preparation will be affected. Secondly, when the land is prepared, the disc harrow cannot avoid the stone block after entering the soil, which will cause excessive wear of the disc harrow group. UTILITY MODEL CONTENTS

[0005] The utility model discloses a folding combined land preparation machine, which aims to solve the problem of the folding combined land preparation machine mentioned in the background art, that is, the stems above the ground after autumn harvest cannot be cut before the disc harrow loosens the soil, and the disc cannot avoid the stone block, resulting in excessive wear.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a folding combined land leveler, which comprises a main beam, land levelers rotatably connected to both sides of the main beam, a connecting frame, a cutting assembly and a soil loosening assembly mounted in the connecting frame from front to back, a plurality of cutting blades capable of being adjusted in height up and down, the cutting blades horizontally arranged, a plurality of disc harrow blades capable of being adjusted in height up and down, and the disc harrow blades slidably mounted on the connecting frame through a plurality of elastic telescopic rods.

[0008] The land levelers are rotatably arranged on both sides of the main beam, so that the ground can be leveled when the land levelers are rotated horizontally, and the folding function of the land levelers is realized when the land levelers are rotated upward, thereby facilitating movement and transportation.

[0009] In an embodiment, a sub-beam is fixedly mounted on the middle of the upper surface of the main beam, a hydraulic rod is arranged between the side surface of the sub-beam and the connecting frame, and the two ends of the hydraulic rod are rotatably connected to the sub-beam and the connecting frame.

[0010] The sub-beam is arranged, the hydraulic rod is arranged between the side surface of the sub-beam and the connecting frame, the hydraulic rod is started, the hydraulic rod is retracted to drive the connecting frame to rotate, and the folding function of the land leveler is realized, thereby facilitating movement and transportation.

[0011] In an embodiment, two U-shaped frames are fixedly mounted on the upper surface of the connecting frame, the cutting blades and the disc harrow blades are arranged in the two U-shaped frames, a lifting plate is slidably connected to the U-shaped frame, and the elastic telescopic rod is arranged below and fixedly connected to one of the lifting plates.

[0012] The lifting plate is arranged, the lifting plate is slidably adjusted, the cutting blades and the disc harrow blades are synchronously adjusted in height, the cutting height of the plant stem is adjusted, and the loosening depth is adjusted.

[0013] In an embodiment, a connecting rod is fixedly connected between the two elastic telescopic rods at one end of the lifting plate, a connecting shaft is rotatably connected between the two connecting rods, and the disc harrow blades are vertically arranged and fixedly mounted on the circumferential side of the connecting shaft.

[0014] The connecting shaft is arranged, the connecting shaft is rotated, the disc harrow blades are synchronously rotated, one side of one of the connecting rods is fixedly mounted with a second motor, the output shaft of the second motor is fixedly connected to the connecting shaft, and power is provided for the rotation of the connecting shaft.

[0015] In an embodiment, a connecting plate is fixedly connected to the lower surface of the other lifting plate, a plurality of transmission gears are rotatably connected in the connecting plate, the transmission gears are meshed with each other, and the cutting blades are fixedly connected to the transmission gears through shaft rods.

[0016] By setting the transmission gears, multiple transmission gears are meshed with each other, so that the rotation of one transmission gear can drive the synchronous rotation of the remaining transmission gears, and further drive the rotation of the cutting blade, when the cutting blade contacts with the plants, the plants are cut.

[0017] In a preferred scheme, the upper surface of the lifting plate is provided with an electric telescopic rod, both ends of the electric telescopic rod are fixedly connected with the lifting plate and the U-shaped frame respectively, both ends of the lifting plate are fixedly connected with T-shaped blocks, and the inner side of the U-shaped frame is provided with T-shaped grooves matched with the T-shaped blocks.

[0018] By setting the electric telescopic rod, the electric telescopic rod drives the lifting plate to adjust the height after being started, and the cooperation of the T-shaped blocks and the T-shaped grooves makes the up-down sliding of the lifting plate more stable.

[0019] In a preferred scheme, the upper surface of the connecting plate is fixedly provided with a first motor, and the output shaft of the first motor is fixedly connected with one of the transmission gears.

[0020] By setting the first motor, the first motor provides power for the rotation of the cutting blade.

[0021] As can be seen from the above, the folding combined land leveler has the following technical effects.

[0022] Firstly, the cutting assembly is arranged, so that the cutting blade arranged horizontally can cut off the crop stems and some weeds above the ground before the disc harrow, thereby reducing the work burden of the rear disc harrow, and the subsequent disc harrow only needs to shred the crop stems and weeds that have been cut off and the crop roots under the ground while loosening the soil.

[0023] Secondly, the disc harrow is slidably arranged on the connecting frame through the plurality of elastic telescopic rods, so that when the soil under the ground is loosened, when the shallow stone affects the loosening of the disc harrow, the elastic telescopic rod can be contracted in length correspondingly under the action of resistance, thereby reducing the friction between the disc harrow and the stone, so as to reduce the wear of the disc harrow and prolong the service life thereof. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The structure of the folding combined land leveler is shown in the structure schematic view of the folding combined land leveler.

[0025] Figure 2 The structure of the folding combined land leveler is shown in the structure schematic view of the folding combined land leveler.

[0026] Figure 3 The connecting frame structure of the folding combined land leveler is shown in the connecting frame structure schematic view of the folding combined land leveler.

[0027] Figure 4 A cutting assembly structure schematic view of a folding combined land leveler is provided in the utility model.

[0028] Figure 5 A loosening soil assembly structure schematic view of a folding combined land leveler is provided in the utility model.

[0029] In the drawings: 1, main beam; 2, auxiliary beam; 3, land leveling device; 31, connecting frame; 32, U-shaped frame; 321, T-shaped groove; 4, hydraulic rod; 5, cutting assembly; 51, connecting plate; 52, transmission gear; 53, first motor; 54, cutting piece; 6, loosening soil assembly; 61, lifting plate; 611, T-shaped block; 62, electric telescopic rod; 63, elastic telescopic rod; 64, connecting shaft; 65, disc harrow piece. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0031] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] Reference Figures 1-5 A folding combined land leveler, comprising a main beam 1, land leveling devices 3 are rotatably connected to both sides of the main beam 1, the land leveling devices 3 comprise connecting frames 31, cutting assemblies 5 and loosening soil assemblies 6 are installed in the connecting frames 31 from front to back, the cutting assemblies 5 comprise a plurality of cutting pieces 54 capable of adjusting height up and down, the cutting pieces 54 are horizontally arranged transversely, the loosening soil assemblies 6 comprise a plurality of disc harrow pieces 65 capable of adjusting height up and down, the disc harrow pieces 65 are slidably installed on the connecting frames 31 through a plurality of elastic telescopic rods 63.

[0033] In the embodiment, the land leveling devices 3 are rotatably arranged on both sides of the main beam 1, so that the ground can be leveled when the land leveling devices 3 are rotated horizontally, and the folding function is realized when the land leveling devices 3 are rotated and lifted, facilitating movement and transportation.

[0034] It should be noted that: after the crops are harvested in autumn, some crops will leave a part of the stems above the ground, how not to cut off the stems above the ground, the disc of the land preparation machine not only bears the task of soil loosening, but also cuts off and crushes the stems and roots of the crops, which increases the burden of the disc harrow, especially the stems of corn and sunflower are relatively hard, if they are not cut off in advance, the hard roots and stems will contact the disc harrow blade during the work of the disc harrow, and the power of the disc harrow will be consumed in cutting the roots and stems, which affects the soil loosening effect of the disc and further affects the overall effect. In view of the above situation, the cutting assembly 5 is arranged, so that the horizontally arranged cutting blade 54 can cut off the stems of the plants above the ground before the disc harrow, which reduces the working burden of the rear disc harrow blade, and the subsequent disc harrow only needs to crush the stems of the crops and the roots of the crops under the ground while loosening the soil.

[0035] Through the sliding installation of the disc harrow blade 65 on the connecting frame 31 through the plurality of elastic expansion rods 63, when the shallow stones affect the soil loosening of the disc harrow blade 65 during the subsequent soil loosening, the elastic expansion rods 63 can be contracted in length under the action of resistance, thereby reducing the friction between the disc harrow blade 65 and the stones, and prolonging the service life of the disc harrow blade 65.

[0036] Referring to Figures 1-5 In a preferred embodiment, the middle part of the upper surface of the main beam 1 is fixedly installed with the auxiliary beam 2, and the side surface of the auxiliary beam 2 is provided with the hydraulic rod 4 between the connecting frame 31, and the two ends of the hydraulic rod 4 are respectively rotatably connected with the auxiliary beam 2 and the connecting frame 31.

[0037] In the embodiment, the auxiliary beam 2 is arranged, the side surface of the auxiliary beam 2 is provided with the hydraulic rod 4 between the connecting frame 31, the hydraulic rod 4 is started, the hydraulic rod 4 is contracted to drive the connecting frame 31 to rotate, the folding function of the connecting frame 31 is realized, and the moving and transporting are facilitated.

[0038] Referring to Figures 1-5 In a preferred embodiment, the upper surface of the connecting frame 31 is fixedly installed with two U-shaped frames 32, the cutting blade 54 and the disc harrow blade 65 are arranged in the two U-shaped frames 32 respectively, the U-shaped frame 32 is slidably connected with the lifting plate 61 in the upper and lower directions, and the elastic expansion rod 63 is arranged below one of the lifting plates 61 and fixedly connected with the lifting plate 61.

[0039] In the embodiment, the lifting plate 61 is arranged, the lifting plate 61 slides in the upper and lower directions, drives the cutting blade 54 and the disc harrow blade 65 to synchronously adjust the height, and then the cutting height of the plant stem and the loosening depth are adjusted.

[0040] Referring to Figures 1-5In a preferred embodiment, the two elastic telescopic rods 63 at one end of the lifting plate 61 are fixedly connected with connecting rods, the connecting rods are rotatably connected with a connecting shaft 64, and the disc harrow blades 65 are vertically arranged and fixedly installed on the circumferential side of the connecting shaft 64.

[0041] In the embodiment, the connecting shaft 64 is provided, the connecting shaft 64 rotates to drive the disc harrow blades 65 to rotate synchronously, one side of one of the connecting rods is fixedly installed with a second motor, and the output shaft of the second motor is fixedly connected with the connecting shaft 64 to provide power for the rotation of the connecting shaft 64.

[0042] Referring to Figures 1-5 In a preferred embodiment, the lower surface of the other lifting plate 61 is fixedly connected with a connecting plate 51, a plurality of transmission gears 52 are rotatably connected in the connecting plate 51, the transmission gears 52 are in mesh with each other, and the cutting blades 54 are fixedly connected with the transmission gears 52 through shaft rods.

[0043] In the embodiment, the transmission gears 52 are provided, the transmission gears 52 are in mesh with each other, so that the rotation of one of the transmission gears 52 can drive the remaining transmission gears 52 to rotate synchronously, and further drive the cutting blades 54 to rotate, so that the plant stalks can be cut when the cutting blades 54 contact the plant stalks above the ground, and the subsequent effect of land preparation is avoided.

[0044] Referring to Figures 1-5 In a preferred embodiment, the upper surface of the lifting plate 61 is provided with an electric telescopic rod 62, both ends of the electric telescopic rod 62 are fixedly connected with the lifting plate 61 and the U-shaped frame 32, both ends of the lifting plate 61 are fixedly connected with T-shaped blocks 611, and the inner side of the U-shaped frame 32 is provided with T-shaped grooves 321 matched with the T-shaped blocks 611.

[0045] In the embodiment, the electric telescopic rod 62 is provided, the electric telescopic rod 62 drives the lifting plate 61 to adjust the height after being started, and the cooperation of the T-shaped blocks 611 and the T-shaped grooves 321 makes the up-and-down sliding of the lifting plate 61 more stable.

[0046] Referring to Figures 1-5 In a preferred embodiment, the upper surface of the connecting plate 51 is fixedly installed with a first motor 53, and the output shaft of the first motor 53 is fixedly connected with one of the transmission gears 52.

[0047] In the embodiment, the first motor 53 is provided, and the first motor 53 provides power for the rotation of the cutting blades 54.

[0048] In summary: when using, the auxiliary beam 2 is connected with the rear part of the agricultural tractor, the electric telescopic rod 62 is started, the electric telescopic rod 62 drives the height adjustment of the lifting plate 61, thereby controlling the height adjustment of the cutting assembly 5 and the soil loosening assembly 6, so as to realize different cutting heights and soil loosening depths; when loosening the soil, when encountering stone blocks, the elastic telescopic rod 63 is contracted, so that the soil loosening assembly 6 is correspondingly lifted, so as to avoid forcibly loosening the soil by the soil loosening assembly 6, causing excessive wear and affecting the service life.

[0049] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be the replacement of part of the structure, device, method step, or the complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A folding combination soil tiller characterized by, Including the main beam (1), both sides of the main beam (1) are rotatably connected with the land leveling device (3); The land leveling device (3) comprises a connecting frame (31), and a cutting assembly (5) and a soil loosening assembly (6) are respectively arranged in the connecting frame (31) from front to back; The cutting assembly (5) comprises a plurality of cutting blades (54) capable of adjusting height up and down, and the cutting blades (54) are arranged horizontally transversely. The soil loosening assembly (6) comprises a plurality of disc harrow blades (65) capable of adjusting height up and down, and the disc harrow blades (65) are slidably installed on the connecting frame (31) through a plurality of elastic extension rods (63). The upper surface of the connecting frame (31) is fixedly provided with two U-shaped frames (32), the cutting blades (54) and the disc harrow blades (65) are arranged in the two U-shaped frames (32) respectively, the U-shaped frames (32) are slidably connected with lifting plates (61) arranged above and below, and the elastic extension rods (63) are arranged below and fixedly connected with one of the lifting plates (61).

2. The folding combination soil conditioner of claim 1 wherein, The middle part of the upper surface of the main beam (1) is fixedly provided with an auxiliary beam (2), and a hydraulic rod (4) is arranged between the side surface of the auxiliary beam (2) and the connecting frame (31).

3. The folding combination soil conditioner of claim 2 wherein, Two elastic extension rods (63) arranged at one end of the lifting plate (61) are fixedly connected with connecting rods, a connecting shaft (64) is rotatably connected between the two connecting rods, and the disc harrow blades (65) are vertically arranged and fixedly installed on the periphery of the connecting shaft (64).

4. The folding combination soil conditioner of claim 3 wherein, The lower surface of the other lifting plate (61) is fixedly connected with a connecting plate (51), a plurality of transmission gears (52) are rotatably connected in the connecting plate (51), the transmission gears (52) are meshed with each other, and the cutting blades (54) are fixedly connected with the transmission gears (52) through shaft rods.

5. The folding combination soil conditioner of claim 4 wherein, The upper surface of the lifting plate (61) is provided with an electric telescopic rod (62), both ends of the electric telescopic rod (62) are fixedly connected with the lifting plate (61) and the U-shaped frame (32), both ends of the lifting plate (61) are fixedly connected with T-shaped blocks (611), and the inner side of the U-shaped frame (32) is provided with T-shaped grooves (321) matched with the T-shaped blocks (611).

6. The folding combination soil conditioner of claim 5 wherein, The upper surface of the connecting plate (51) is fixedly provided with a first motor (53), and the output shaft of the first motor (53) is fixedly connected with one of the transmission gears (52).

Images