A combined ploughing and rolling plough

Abstract

The application discloses a combined ploughing and sowing turning plough, which comprises a first double connecting rod mechanism, a connecting frame, a lifting mechanism, a universal wheel mechanism, independent plough bodies, a girder, a solid fertilizer box, a liquid fertilizer box, a swing beam, a second double connecting rod mechanism, a land leveler and a seeding machine; the front end of the first double connecting rod mechanism is connected with a tractor, and the rear end is connected with the connecting frame; the rear of the connecting frame is movably connected with the girder; the solid fertilizer box and the liquid fertilizer box are installed above the girder; eight independent plough bodies are installed below the girder; the rear end of the girder is provided with the swing beam; the land leveler and the seeding machine are connected with the swing beam through the second double connecting rod mechanism; and the rear end of the seeding machine is provided with an auxiliary wheel; the universal wheel mechanism is arranged below the front end of the girder and the tail end of the girder respectively; and the lifting mechanism is arranged between the connecting frame and the girder, between the girder and the rear end universal wheel mechanism. The application can complete fertilization, land leveling and sowing while ploughing, and greatly improves the farming efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of agricultural machinery and equipment, and particularly relates to a combined plowing, fertilizing, and sowing turning plow. BACKGROUND

[0002] In a conventional sowing process, fertilizer is first spread on the ground surface, and then plowing and land preparation are performed to apply the fertilizer into the soil, and then sowing is performed; or a method of simultaneous sowing and fertilizing is used, which is widely recognized by farmers, and the application area is continuously expanding, and the effect is remarkable. However, there is currently a lack of a combined machine that can simultaneously perform plowing, fertilizing, land preparation, and sowing operations. SUMMARY

[0003] In order to solve the problems of center of gravity deflection and excessive vibration caused by turning of the plow body, the original overall turning of the plow body is changed to independent turning of each plow body, thereby providing a combined plowing, fertilizing, and sowing turning plow, which can complete fertilizing, land preparation, and sowing while plowing, greatly improving the farming efficiency and shortening the plowing and sowing time.

[0004] The technical scheme adopted by the present application is as follows: a combined plowing, fertilizing, and sowing turning plow, comprising a first double-link mechanism, a connecting frame, a lifting mechanism, a universal wheel mechanism, independent plowing bodies, a girder, a solid fertilizer box, a liquid fertilizer box, a swing beam, a second double-link mechanism, a land preparation machine, and a sowing machine; the front end of the first double-link mechanism is connected to a tractor, and the rear end is connected to the connecting frame; the connecting frame is movably connected to the rear of the girder; the solid fertilizer box and the liquid fertilizer box are installed above the girder; eight independent plowing bodies are installed below the girder; the girder is provided with a swing beam at the rear end; the swing beam is connected to the land preparation machine and the sowing machine through the second double-link mechanism; the rear end of the sowing machine is provided with an auxiliary wheel; the universal wheel mechanism is arranged below the front end of the girder and at the end of the girder; and the lifting mechanism is installed between the connecting frame and the girder, between the girder and the rear end universal wheel mechanism.

[0005] Further, the connecting frame comprises a rotating shaft connected to the first double-link mechanism, the rotating shaft is installed at the front end of a connecting plate, the connecting plate is movably connected to a support frame, the support frame is provided with a sliding block at both ends, and the sliding block and the support frame are connected through a telescopic rod.

[0006] Furthermore, the caster wheel mechanism includes a fixed shaft mounted on the connecting frame slider, with a first caster wheel bracket vertically mounted at the end of the fixed shaft. The bottom of the first caster wheel bracket is hinged to the bottom of a second caster wheel bracket, and the top of the first caster wheel bracket is connected to the top of the second caster wheel bracket via a hydraulic cylinder. A vertical shaft is mounted in the middle of the second caster wheel bracket, and the bottom of the vertical shaft is movably connected to a third caster wheel bracket. A caster wheel is mounted below the third caster wheel bracket. A caster wheel locking mechanism is installed between the second and third caster wheel brackets.

[0007] Furthermore, the universal wheel locking mechanism is a hydraulic anti-rotation cylinder, the cylinder body of which is mounted on the second bracket of the universal wheel, and the hydraulic shaft of which corresponds to the groove on the third bracket of the universal wheel.

[0008] Furthermore, the solid fertilizer box has two discharge ports at the bottom of its front end, and two material ejection rods at the bottom of each discharge port; the solid fertilizer box also has several parallel push rods in the middle.

[0009] Furthermore, the independent tillage plow body includes a plow frame installed at the bottom of the main beam. An overload protection cylinder is installed at the bottom of the plow frame. A cylindrical plow seat is fitted on the outer side of the cylinder wall of the overload protection cylinder. Two tillage plow bodies are installed on the plow seat perpendicular to the axis of the plow seat, and the two tillage plow bodies are set at an angle of 70°-120°. The outer edge of the plow seat is provided with arc-shaped teeth, so that the tillage plow body can be rotated along the axis of the overload protection cylinder by the drive of the first hydraulic motor.

[0010] Furthermore, the liquid fertilizer tank is equipped with a pressurization device, and the liquid fertilizer tank is connected to each independent tillage plow body through a hose.

[0011] Furthermore, the swing beam includes a lifting cylinder, a swing beam arm, a rotating base, and a second hydraulic motor. The lifting cylinder is disposed between the swing beam arm and the rotating base. One end of the swing beam arm is hinged to the rotating base. The outer edge of the rotating base is provided with a toothed groove. The second hydraulic motor drives the swing beam arm to rotate through gear transmission.

[0012] The application has the advantages that the application has four functions of plowing, applying, smoothing and sowing, each plow body can work independently, the number of working plow bodies can be increased or decreased without stopping the machine, the machine can match tractors with different powers and widths, and each plow body has an overload protection function to protect the integrity of the plow body in a high damping state; the plow body can enter and exit the soil in sequence, reduce the triangular area at the end of the field, and reduce the overall height of the plow body, which is convenient for assembling the matching structure on the beam; when applying fertilizer, liquid and solid fertilizers can be selected according to the needs; when smoothing the land, the soil can be crushed transversely. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the application;

[0014] Figure 2 It is a schematic diagram of the structure of the connecting frame

[0015] Figure 3 It is a schematic diagram of the structure of the universal wheel;

[0016] Figure 4 It is a schematic diagram of the structure of the independent plowing plow body;

[0017] Figure 5 It is a schematic diagram of the structure of the bottom of the solid fertilizer box;

[0018] Figure 6 It is a schematic diagram of the structure at the swing beam;

[0019] Figure 7 It is a schematic diagram of the top view structure at the land smoother and the seeder;

[0020] Figure 8 It is a schematic diagram of the side structure at the land smoother and the seeder;

[0021] In the diagram: 1-First double-link mechanism, 2-Connecting frame, 201-Rotating shaft, 202-Slider, 203-Telescopic rod, 204-Support frame, 205-Connecting plate, 3-Wheel mechanism, 301-Fixed shaft, 302-First wheel bracket, 303-Hydraulic cylinder of wheel bracket, 304-Second wheel bracket, 305-Wheel locking mechanism, 306-Wheel, 307-Third wheel bracket, 308-Vertical shaft, 309-Positioning hole, 4-Independent tillage plow body, 401-Plow body frame, 402-First hydraulic motor, 403-Gear, 404-Base, 405-Plow body seat, 406 - Overload protection cylinder, 407- Plow body, 408- Fixed pressure plate, 5- Main beam, 6- Solid fertilizer box, 601- Discharge bar, 602- Baffle, 603- Transmission chain protection cover, 604- Discharge port, 7- Liquid fertilizer box, 8- Swing beam, 801- Lifting cylinder, 802- Swing beam arm, 803- Rotating base, 804- Second hydraulic motor, 805- Fine adjustment screw, 9- Tillage machine, 10- Seeder, 11- Auxiliary wheel, 12- Lifting mechanism, 13- Tillage machine height adjustment screw, 14- Auxiliary wheel lifting cylinder, 15- Second double linkage mechanism, 16- Power output device, 17- Accumulator. Detailed Implementation

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] like Figure 1 As shown, this invention is a combined tillage and seeding reversible plow, comprising a first double-link mechanism 1, a connecting frame 2, a lifting mechanism 12, a universal wheel mechanism 3, independent tillage plow bodies 4, a main beam 5, a solid fertilizer tank 6, a liquid fertilizer tank 7, a swing beam 8, a land preparation machine 9, and a seeder. The front end of the first double-link mechanism 1 is connected to a tractor, and the rear end is connected to the connecting frame 2. The first double-link mechanism 1 is driven by hydraulic cylinders on both sides. The main beam 5 is movably connected to the rear of the connecting frame 2. The solid fertilizer tank 6 and the liquid fertilizer tank 7 are installed on the top of the main beam 5. Eight independent tillage plow bodies 4 are installed below the main beam 5. The rear end of the main beam 5 is provided with a swing beam 8. The end of the swing beam 8 is connected to the land preparation machine 9 and the seeder 10 through a second double-link mechanism 15. The rear end of the seeder 10 is equipped with auxiliary wheels 11. The universal wheel mechanism 3 is respectively located below the front end of the main beam 5 and at the end of the main beam 5. The lifting mechanism 12 is respectively installed between the connecting frame 2 and the main beam 5, and between the main beam 5 and the rear universal wheel mechanism 3.

[0024] like Figure 2 As shown, the connecting frame 2 includes a rotating shaft 201 connected to the first double linkage mechanism 1. The rotating shaft 201 is installed at the front end of the connecting plate 205. The connecting plate 205 is movably connected to the support frame 204. The two ends of the support frame 204 are provided with sliders 202. The sliders 202 and the support frame 204 are connected by a telescopic rod 203.

[0025] As Figure 3 shown, the universal wheel mechanism 3 includes a fixed shaft 301 mounted on the slider 202, the end of the fixed shaft 301 is vertically mounted with a universal wheel first bracket 302, the lower part of the universal wheel first bracket 302 is hingedly connected with the bottom of a universal wheel second bracket 304, the universal wheel second bracket 304 is provided with a positioning hole 309, which is used to cooperate with the locking of the plow body height. The top of the universal wheel first bracket 302 is connected with the top of the universal wheel second bracket 304 through a universal wheel bracket hydraulic oil cylinder 303, which is used to fine adjust the position of the positioning hole 309. The middle part of the universal wheel second bracket 304 is mounted with a vertical shaft 308, the bottom of the vertical shaft 308 is movably connected with a universal wheel third bracket 307, the lower part of the universal wheel third bracket 307 is mounted with a universal wheel 306; the universal wheel second bracket 304 and the universal wheel third bracket 307 are mounted with a universal wheel locking mechanism 305. The universal wheel locking mechanism 305 is a hydraulic rotation-stopping oil cylinder, the cylinder body of the hydraulic rotation-stopping oil cylinder is mounted on the universal wheel second bracket 304, the hydraulic shaft of the hydraulic rotation-stopping oil cylinder corresponds with the groove on the universal wheel third bracket 307, when the hydraulic shaft in the hydraulic rotation-stopping oil cylinder extends into the groove on the universal wheel third bracket 307, the universal wheel mechanism 3 is locked.

[0026] As Figure 4 shown, the independent plowing plow body 4 includes a plow body frame 401 mounted on the bottom of the girder 5, the bottom of the plow body frame 401 is provided with a base 404, the base 404 is transversely hingedly mounted with an overload protection oil cylinder 406, a cylindrical plow body seat 405 is sleeved on the outer side of the cylinder wall of the overload protection oil cylinder 406, two plows 407 for plowing are vertically mounted on the plow body seat 405, and the two plows 407 are arranged at an angle of 70°-120°. An arc-shaped gear 403 is arranged at the outer edge of the plow body seat, so that the plow 407 can be rotated along the axis of the overload protection oil cylinder 406 by driving of the first hydraulic motor 402. The rear end of the plow body seat 405 is mounted with a fixed pressure plate 408, which is used to limit the position of the plow body seat 405. The middle part of the plow body frame 401 is a hollow structure, so that when the plow 407 encounters a large resistance, the upwardly deflected plow body seat 405 will not collide with the plow body frame 401.

[0027] As Figure 5As shown in the drawings, the front end bottom of the solid fertilizer box 6 installed on the girder 5 is provided with two discharge ports 604, the bottom of the discharge port 604 is respectively provided with two material throwing rods 601, and the two material throwing rods 601 are provided with a baffle 602 between them, and the two material throwing rods 601 are reversely rotated to pour the solid fertilizer falling from the discharge port 604 to both sides. The middle part of the solid fertilizer box 6 is provided with a plurality of parallel material pushing rods for pushing the solid fertilizer in the box to move towards the discharge port 604. The material throwing rod 601 is driven by a chain, and the outer side of the chain is provided with a transmission chain protection cover 603. The liquid fertilizer box 7 is provided with a booster device for pressurizing the liquid fertilizer in the box, so that the liquid fertilizer is released from the gap between the plow bodies of each independent plow body 4 through a hose.

[0028] As shown in the drawings, Figure 6 and Figure 7 The swing beam 8 includes a lifting oil cylinder 801, a swing beam arm 802, a rotating base 803 and a second hydraulic motor 804. The lifting oil cylinder 801 is arranged between the swing beam arm 802 and the rotating base 803. One end of the swing beam arm 802 is hinged to the rotating base 803. The outer edge of the rotating base 803 is provided with a gear slot. The second hydraulic motor 804 drives the swing beam arm 802 to rotate through a gear transmission.

[0029] The rotating base 803 is also provided with a gear mechanism below, which is used to control the left and right swing of the rear lifting mechanism 12, that is, to control the left and right swing of the rear universal wheel mechanism.

[0030] As shown in the drawings, Figure 7 and Figure 8 The second double-link mechanism 15 and the land leveler 9 are provided with a land leveler height adjusting screw 13. The land leveler 9 and the auxiliary wheel 11 are provided with an auxiliary wheel lifting oil cylinder 14. The auxiliary wheel lifting oil cylinder 14 is provided with an accumulator 17. When the auxiliary wheel 11 is subjected to excessive force, the accumulator 17 can absorb energy and buffer the auxiliary wheel lifting oil cylinder 14.

[0031] The application has two modes of operation and transportation. When in the operation mode, the two lifting mechanisms at the front and rear of the girder lift the universal wheel mechanism, so that the independent plow body extends into the soil layer for plowing. In the transportation mode, the universal wheel mechanism is lowered, so that the independent plow body is higher than the ground, and the plow body is rotated, so that the two plow bodies are located on both sides of the girder axis, further increasing the distance between the plow body and the ground, preventing the plow body from being damaged by knocking.

[0032] In the working mode, it is divided into left turning plowing and fertilizing and right turning plowing and fertilizing. When right turning plowing and fertilizing is needed, the first double connecting rod mechanism swings to the right, the right front wheel moves to the inner side and is aligned with the first share plow body, the left rear wheel moves to the outer side and is locked, the lifting mechanism lowers the beam, the front part of the beam is inclined to the right as a whole, the independent plowing plow body makes the right side plow body vertical to the ground, the swing beam swings to the left, the land leveler is aligned with the plowed soil, and the right side material throwing rod under the solid fertilizer box is rotated, so that the solid fertilizer is thrown to the right side for fertilizing. When left turning plowing and fertilizing is needed, the first double connecting rod mechanism swings to the left, the left front wheel moves to the inner side and is aligned with the first share plow body, the right rear wheel moves to the outer side and is locked, the lifting mechanism lowers the beam, the beam is inclined to the left as a whole, the independent plowing plow body makes the left side plow body vertical to the ground, the swing beam swings to the right, the land leveler is aligned with the plowed soil, and the left side material throwing rod under the solid fertilizer box is rotated, so that the solid fertilizer is thrown to the left side for fertilizing. In the working mode, the left and right rear wheels are always the same as the advancing direction of the tractor.

Claims

1. A combined ploughing and levelling reversible plough, characterised in that: The utility model provides a double connecting rod mechanism, connecting frame, lifting mechanism, universal wheel mechanism, independent plough, girder, solid fertilizer box, liquid fertilizer box, swing beam, second double connecting rod mechanism, land leveler and seeding machine, the first double connecting rod mechanism front end is connected with tractor, rear end is connected with connecting frame, The connecting frame includes a rotating shaft connected with the first double connecting rod mechanism, the rotating shaft is installed at the front end of the connecting plate, the connecting plate is movably connected to the support frame, both ends of the support frame are provided with sliding blocks, the sliding blocks are connected to the support frame through telescopic rods, the rear of the connecting frame is movably connected to the girder, the solid fertilizer box and the liquid fertilizer box are installed above the girder, The front end of the solid fertilizer box is provided with two discharge ports, the bottom of the discharge port is provided with two discharge rods, respectively, the middle of the solid fertilizer box is provided with a plurality of parallel discharge rods, the liquid fertilizer box is provided with a booster, and the liquid fertilizer box is connected to each independent plough through a rubber tube, The lower part of the girder is provided with eight independent ploughs, the plough body frame is installed at the bottom of the girder, the bottom of the plough body frame is provided with an overload protection oil cylinder, the outer side of the cylinder wall of the overload protection oil cylinder is provided with a cylindrical plough body seat, two ploughs are vertically installed on the plough body seat, and the two ploughs are arranged at an angle of 70-120 degrees, the outer edge of the plough body seat is provided with an arc-shaped tooth, so that the plough can be rotated along the axis of the overload protection oil cylinder under the drive of the first hydraulic motor, The rear end of the girder is provided with a swing beam, the swing beam includes a lifting oil cylinder, a swing beam arm, a rotating base and a second hydraulic motor, the lifting oil cylinder is arranged between the swing beam arm and the rotating base, one end of the swing beam arm is hinged to the rotating base, the outer edge of the rotating base is provided with a tooth groove, and the second hydraulic motor drives the swing beam arm to rotate through a gear transmission, the end of the swing beam is connected to a land leveler and a seeding machine through a second double connecting rod mechanism, the rear end of the seeding machine is provided with an auxiliary wheel, and the universal wheel mechanism is arranged below the front end of the girder and the end of the girder, The universal wheel mechanism includes a fixed shaft installed on the sliding block of the connecting frame, the end of the fixed shaft is vertically provided with a universal wheel first support, the bottom of the universal wheel first support is hinged to the bottom of a universal wheel second support, the top of the universal wheel first support is connected to the top of the universal wheel second support through a universal wheel support hydraulic oil cylinder, the middle of the universal wheel second support is provided with a vertical shaft, the bottom of the vertical shaft is movably connected to a universal wheel third support, and the lower part of the universal wheel third support is provided with a universal wheel, the universal wheel second support and the universal wheel third support are provided with a universal wheel locking mechanism, The universal wheel locking mechanism is a hydraulic rotation stopping oil cylinder, the cylinder body of the hydraulic rotation stopping oil cylinder is installed on the universal wheel second support, and the hydraulic shaft of the hydraulic rotation stopping oil cylinder corresponds to the groove on the universal wheel third support, The lifting mechanism is installed between the connecting frame and the girder, the girder and the rear end universal wheel mechanism, respectively.

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