Folding rotary tillage and ridging all-in-one machine

Abstract

The invention discloses a folding type rotary tillage and ridging all-in-one machine which comprises a machine frame, a rotary tillage device, a ridging device, a distance adjusting device and a compacting device, the rotary tillage device and the ridging device can be folded or unfolded at the same time, the distance adjusting device can adjust the distance between ploughing ploughs in the ridging device, and the compacting device can compact the ploughing ploughs in the ridging device. The problem of the single operation area of a traditional rotary tillage ridger can be greatly solved, the land rotary tillage and ridging effects of the rotary tillage ridger are effectively improved, the folding effect, the stability performance and the like of the rotary tillage ridger can be effectively improved by adopting the double-cylinder hydraulic folding system, the rotary tillage ridging operation efficiency and the operation quality are greatly improved, and the rotary tillage ridger is suitable for large-scale popularization and application. Structural design is reasonable, using is safe and reliable, and the failure rate is low.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical devices for rotary tillage and soil leveling, and more specifically, to a foldable rotary tillage and soil ridging machine. Background Art

[0002] The rotary tillage ridgers currently on the market mainly use a through-shaft or intermediate gearbox to drive the left and right half-shafts to rotate to achieve the rotary tillage function. They have the characteristics of small operating area and low operating efficiency. At the same time, the rotary tillage ridgers driven by the through-shaft or intermediate gearbox are not very versatile and cannot effectively increase the single operating area. Summary of the invention

[0003] The purpose of the present invention is to design and develop a foldable rotary tillage and ridging machine, which, through the integrated setting of rotary tillage and ridging, meets the suspension size parameter requirements for normal driving while improving the ridging effect and ensuring the direction of the cultivated land during plowing.

[0004] The purpose of the present invention is to design and develop a foldable rotary tillage and ridging integrated machine, which can automatically adjust the ridging spacing, greatly improving the operating efficiency and quality of land rotary tillage and ridging.

[0005] The technical solution provided by the present invention is:

[0006] A foldable rotary tillage and ridging machine, comprising:

[0007] Racks; and

[0008] A rotary tillage device, which is arranged at the lower front end of the frame, and the rotary tillage device is foldable;

[0009] A ridging device, which is arranged at the lower part of the rear end of the frame, and the ridging device is arranged corresponding to the rotary tillage device;

[0010] Wherein, the ridging device comprises:

[0011] A suspension beam assembly, which is arranged at the rear end of the frame, and the suspension beam assembly is arranged corresponding to the rotary tillage device;

[0012] A plurality of left connecting plates, which are detachably arranged on the suspension beam assembly, and the plurality of left connecting plates have the same spacing;

[0013] A plurality of connecting rods, one end of which is respectively and rotatably arranged on the plurality of left connecting plates in a one-to-one correspondence;

[0014] A plurality of right connecting plates, which are respectively and rotatably arranged at the other ends of the plurality of connecting rods in a one-to-one correspondence;

[0015] A plurality of plows are respectively and one by one arranged on the plurality of right connecting plates, and the heights of the plurality of plows are adjustable.

[0016] Preferably, the frame is a frame structure consisting of a first crossbeam, two first suspension beams, a second crossbeam, two second suspension beams and a plurality of knife shaft supports;

[0017] Among them, the first crossbeam and the two first suspension beams are coaxially arranged, and the two first suspension beams are spaced apart on both sides of the first crossbeam, the second crossbeam and the two second suspension beams are coaxially arranged, and the two second suspension beams are spaced apart on both sides of the second crossbeam, the first crossbeam and the second crossbeam are spaced apart in parallel, and the multiple knife axis supports are all in a triangular structure, and the two corners thereof are respectively connected to the two ends of the first crossbeam and the second crossbeam and one end of the first suspension beam and the second suspension beam away from the first crossbeam in a one-to-one correspondence.

[0018] Preferably, the rotary tillage device comprises:

[0019] A main reduction gearbox is arranged between the first crossbeam and the second crossbeam, and an input end of the main reduction gearbox is connected to an output shaft of a vehicle gearbox, and the main reduction gearbox includes two first output ends and a second output end;

[0020] Wherein, the two first output ends are arranged at 90 degrees to the input end, and the second output end is arranged in parallel with the two first output ends and outputs synchronously;

[0021] Two first rotary tiller shafts are symmetrically arranged on both sides of the second output end, and one end of the two first rotary tiller shafts is connected to the second output end, and the other end is rotatably arranged on the third corner of the shaft bracket;

[0022] Two auxiliary reduction gearboxes, which are respectively arranged between the two ends of the first crossbeam and the second crossbeam, and the input ends of the two auxiliary reduction gearboxes are respectively selectively connected or disconnected with the two first output ends, and the two auxiliary reduction gearboxes each include a third output end;

[0023] Two second rotary tiller shafts are symmetrically arranged on both sides of the two first rotary tiller shafts, and one end of the two second rotary tiller shafts is respectively connected to the two third output ends, and the other end is rotatably arranged on the third corner of the shaft bracket;

[0024] A plurality of rotary tilling blades are arranged at equal intervals on two first rotary tilling blade shafts and two second rotary tilling blade shafts.

[0025] Preferably, the rotary tillage device further comprises:

[0026] Two first support plates, one end of each of which is fixed on a first crossbeam close to the end;

[0027] Two second support plates, one end of each of which is fixed on a second cross beam close to the end;

[0028] Two third support plates, one end of which is respectively fixed to the other end of the two first suspension beams, and the other end of which overlaps with the other end of the two first support plates;

[0029] Two fourth support plates, one end of which is respectively fixed to the other end of the two second suspension beams, and the other end of which overlaps with the other end of the two second support plates;

[0030] Two sleeves, one end of which is rotatably disposed on the other end of the first support plate and the other end of the third support plate, and the other end of which is rotatably disposed on the other end of the second support plate and the other end of the fourth support plate;

[0031] Two supporting shafts are rotatably disposed in two sleeves respectively;

[0032] Two sets of connecting rods, one end of which is rotatably sleeved on two supporting shafts;

[0033] Two pins rotatably disposed at the other ends of the two sets of connecting rods;

[0034] Two first hydraulic cylinders, the bottoms of the cylinder bodies of which are rotatably arranged at the two ends of the first cross beam, and the piston rods of which are rotatably sleeved on the two pins between the two sets of connecting rods;

[0035] Two second hydraulic cylinders, the bottoms of the cylinder bodies of which are rotatably arranged on the other ends of the two first suspension beams, and the piston rods of which are rotatably sleeved on the ends of the two pin shafts;

[0036] Wherein, the two first hydraulic cylinders and the two second hydraulic cylinders are both connected to the hydraulic system.

[0037] Preferably, the suspension beam assembly comprises:

[0038] A main beam, which is detachably arranged in parallel at the rear end of the second cross beam;

[0039] Two third suspension beams, which are respectively and detachably arranged in parallel at the rear ends of the two second suspension beams, and the two third suspension beams are coaxially arranged with the main beam;

[0040] Among them, the multiple left connecting plates are detachably arranged on the main beam and the two third suspension beams, and the multiple first push rods are respectively corresponding to and rotatably connected to the multiple plows on the main beam.

[0041] A foldable rotary tillage and ridging machine, comprising a frame, a rotary tillage device and a ridging device as claimed in any one of claims 1 to 4, and further comprising:

[0042] A spacing adjustment device, which is arranged on the ridging device and is used to adjust the ridging spacing;

[0043] Wherein, the spacing adjustment device comprises:

[0044] A first square longitudinal arm beam, which is arranged on the ridging device corresponding to the second cross beam;

[0045] A main motor, which is rotatably arranged on the first square longitudinal arm beam;

[0046] A first screw rod, which is fixedly connected to the power output end of the main motor;

[0047] A torsion bar, which is rotatably arranged on the first square longitudinal arm beam, and a plurality of first support pins are arranged at intervals on the torsion bar;

[0048] A main support plate, which is rotatably disposed on the first support pin, and the main support plate is threadably matched with the first screw rod;

[0049] A plurality of first push rods have one end which is rotatably mounted on the plurality of first support pins in a one-to-one correspondence, and the other end which is rotatably connected to the plurality of plows in a one-to-one correspondence, so as to adjust the spacing between the plurality of plows.

[0050] Preferably, the spacing adjustment device further comprises:

[0051] Two second square longitudinal arm beams, which are detachably arranged vertically at the rear ends of the two third suspension beams;

[0052] Among them, the first square longitudinal arm beam is detachably arranged vertically at the rear end of the main beam, the two second square longitudinal arm beams are arranged parallel to the first square longitudinal arm beam, and the first square longitudinal arm beam and the two second square longitudinal arm beams are vertically provided with bosses, and the bosses are in the same horizontal plane as the first square longitudinal arm beam and the two second square longitudinal arm beams.

[0053] Preferably, the spacing adjustment device further comprises:

[0054] a second support pin, which is vertically fixed on the boss of the first square longitudinal arm beam;

[0055] A sleeve rotatably sleeved on the outer side of the second supporting pin;

[0056] A secondary support plate, which is fixed on the sleeve;

[0057] Wherein, the main motor is fixed on the auxiliary supporting plate.

[0058] Preferably, the spacing adjustment device further comprises:

[0059] Two side motors, which are respectively rotatably arranged on the bosses of the two second square longitudinal arm beams;

[0060] Two side support plates, which are respectively rotatably arranged on the connecting rods of the two third suspension beams close to the second square longitudinal arm beam;

[0061] Two second screws, one end of which is fixedly connected to the power output ends of the two side motors respectively, and the other end of which is threadedly engaged with the two side support plates respectively;

[0062] At least two second push rods have one end fixed on the two side support plates respectively, and the other end is connected to the multiple plows on the two third suspension beams in a one-to-one corresponding and rotatable manner.

[0063] Preferably, it also includes:

[0064] A plurality of support frames, one end of which is respectively arranged on the main beam and the two third suspension beams;

[0065] A plurality of rollers are foldably arranged at the other end of the plurality of support frames, so that the plurality of rollers can be selectively pressed on the ridge platform or lifted up.

[0066] The beneficial effects of the present invention are:

[0067] The foldable rotary tillage and ridging machine designed and developed by the present invention can not only greatly improve the problem of single operation area of ​​traditional rotary tillage and ridging machines, but also effectively improve the rotary tillage and ridging effects of the rotary tillage and ridging machine through the design of its transmission shaft driving mechanism. By adopting a folding method, it can not only effectively meet the size parameter requirements of the rotary tillage and ridging machine suspension during normal driving, but also greatly improve the single operation area of ​​the rotary tillage and ridging machine through stretching operation. Moreover, the adoption of a double-cylinder hydraulic folding system can effectively improve its folding effect and stability performance. At the same time, the ridging row spacing adjustment realized by the motor screw mechanism can automatically adjust the ridging spacing according to the row spacing requirements of crop planting. Test results show that the foldable rotary tillage and ridging machine can greatly improve the rotary tillage and ridging operation efficiency and operation quality, and has a reasonable structural design, safe and reliable use, and a low failure rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0068] Figure 1 It is a schematic diagram of the front structure of the foldable rotary tillage and ridging machine of the present invention.

[0069] Figure 2 It is a schematic structural diagram of the reduction box and the transmission shaft of the present invention.

[0070] Figure 3 It is a schematic diagram of the transmission structure of the main reduction gearbox and the auxiliary reduction gearbox of the present invention.

[0071] Figure 4 It is a schematic diagram of the gear transmission structure parameters of the main reduction box of the present invention.

[0072] Figure 5It is a structural schematic diagram of the main reduction gearbox and rotary tiller shaft transmission of the present invention.

[0073] Figure 6 It is a schematic structural diagram of the rotary tiller shaft of the present invention.

[0074] Figure 7 It is a schematic structural diagram of the connector of the present invention.

[0075] Figure 8 It is a schematic diagram of the internal structure of the connector of the present invention.

[0076] Fig. 9 It is a schematic diagram of the folding connection structure of the rotary tillage and ridging machine of the present invention.

[0077] Fig.10 It is a schematic structural diagram of the connecting rod of the present invention.

[0078] Fig.11 This is a schematic diagram of the folding connection structure of the present invention.

[0079] Fig.12 It is a schematic diagram of the rear structure of the rotary tillage and ridging machine of the present invention.

[0080] Fig.13 This is a schematic diagram of the connection structure between the second square longitudinal arm beam and the side motor of the present invention.

[0081] Fig.14 It is a structural schematic diagram of the plow connecting rod mechanism of the present invention.

[0082] Fig.15 It is a structural schematic diagram of the spacing adjustment device of the present invention.

[0083] Fig.16 It is a schematic diagram of the assembly structure of the main motor of the present invention.

[0084] Fig.17 It is a schematic structural diagram of the torsion bar of the present invention.

[0085] Fig.18 It is a schematic diagram of the overall structure of the rotary tillage and ridging machine of the present invention.

[0086] Fig.19 It is a schematic diagram of the folding structure of the rotary tillage and ridging machine of the present invention. DETAILED DESCRIPTION

[0087] The present invention is further described in detail below so that those skilled in the art can implement it according to the description.

[0088] like Figure 1 As shown, the present invention provides a foldable rotary tillage and ridging machine, comprising:

[0089] Suspension lifting system 101, main transmission shaft 102, driving bevel gear 103, first cross beam 105a, two first suspension beams 105b, second cross beam 105c, two second suspension beams 105d, multiple knife shaft brackets 112a, rotary tillage device, ridging device and spacing adjustment device;

[0090] The rotary tillage device comprises: a main reduction box 104, two auxiliary reduction boxes (a first auxiliary reduction box 106 and a second auxiliary reduction box 108), a right transmission shaft 107 and a left transmission shaft 109 (cross forks 1071 and 1091), two first rotary tillage blade shafts (a left first rotary tillage blade shaft 110 and a right first rotary tillage blade shaft 111) and two second rotary tillage blade shafts (a left second rotary tillage blade shaft 112 and a right second rotary tillage blade shaft 113);

[0091] The foldable rotary tillage and ridging machine is supported at the rear of the tractor through a suspension lifting system 101, and the lifting height from the ground is automatically adjusted according to the driving or rotary tillage requirements; the engine output power is connected to the main transmission shaft 102 with a cross-shaped fork structure at both ends through the gearbox output shaft to ensure the power input requirements of the rotary tillage machine device; Figure 2 and Figure 3 As shown, the main transmission shaft 102 drives the driven bevel gear 103a in the main reduction box 104 to rotate through the driving bevel gear 103 at the tail end. The main and driven bevel gear structure can not only reduce speed and increase torque but also change the power transmission direction by 90 degrees. The driven bevel gear 103a is fixed on the transverse shaft 1041 in the main reduction box 104. Both ends of the transverse shaft 1041 are supported on the upper end of the main reduction box 104 through a bearing structure. The first gear 1042 is fixed on the transverse shaft 1041, and the first gear 1042 is externally meshed with the second gear 1043 for transmission. The second gear 1043 is assembled on the first pin shaft 1043a through the bearing structure. Both ends of the first pin shaft 1043a are fixed at the middle position on both sides of the main reduction box 104, and the second gear 1043 is externally meshed with the third gear 1044 for transmission.

[0092] like Figure 4The gear transmission structure and gear parameter design diagram in the main reduction box 104 are shown. The driven bevel gear 103a and the first gear 1042 are fixed on the horizontal shaft 1041. The diameter of the tooth top circle of the first gear 1042 is 176mm, the pitch circle diameter is 154mm, and the root circle diameter is 132mm; the first gear 1042 and the second gear 1043 are externally meshed, and the gear center distance is 231mm; the second gear 1043 and the third gear 1044 are externally meshed, and the gear center distance is 264mm; the tooth top circle diameter of the third gear 1044 is 242mm, the pitch circle diameter is 220mm, and the root circle diameter is 190mm; the spacing between two adjacent sets of rotary tillage blades is 134.25mm. The transmission structure and gear parameter design can ensure the best transmission efficiency and reliability of the gear transmission in the main reduction box 104.

[0093] like Figures 2 to 5 As shown, the third gear 1044 in the main reduction gearbox 104 is connected to the spline shaft at the left end of the left first rotary tiller shaft 110 and the spline shaft at the right end of the right first rotary tiller shaft 111 by setting an internal spline structure, so as to drive the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 to rotate synchronously; the inner side of the spline shaft at the left end of the left first rotary tiller shaft 110 and the inner side of the spline shaft at the right end of the right first rotary tiller shaft 111 are respectively supported at the lower end position of the main reduction gearbox 104 by setting a bearing structure, and the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 are sealed by setting a rubber sealing cover 111a. The spline shafts and supporting bearings at the ends of the first rotary tiller shaft 110 and the right first rotary tiller shaft 111 ensure their working reliability and service life; the other ends of the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 are respectively supported on the shaft bracket 112a by setting a bearing structure, and the shaft bracket 112a is respectively fixed to the two ends of the first beam 105a and the second beam 105c by bolts, so that the first beam 105a, the second beam 105c and the two shaft brackets 112a form a part of the frame structure.

[0094] When the active bevel gear 103 drives the driven bevel gear 103a to rotate, the coaxial first gear 1042 is driven to rotate, and then the second gear 1043 and the third gear 1044 are driven to finally drive the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 to rotate synchronously.

[0095] like Figure 2 and Figure 3As shown, the main reduction gearbox 104 is fixedly supported by a bolt structure at a middle position of the first crossbeam 105a and the second crossbeam 105c, and the left and right structures are arranged symmetrically. The two ends of the transverse shaft 1041 in the main reduction gearbox 104 are respectively connected to the right transmission shaft 107 and the left transmission shaft 109 through a cross fork 1071 and a cross fork 1091 structure. The right end of the right transmission shaft 107 is connected to the connecting shaft 202, and the connecting shaft 202 passes through the bearing support plate 201 through the bearing support 203, and the left end of the bearing support 203 is fixed to the bearing support plate 201 by setting bolts, and the bearing support plate 201 is longitudinally fixed to the first crossbeam 105a and the second crossbeam 105 c, which ensures the stable support of the right transmission shaft 107 and the connecting shaft 202 during the power transmission process. The right end of the connecting shaft 202 is the connector 204, and the right end of the connector 204 is connected to the spline shaft 205. Both ends of the spline shaft 205 are supported through the upper end of the first reduction box 106 by setting a bearing structure. The fourth gear 1061 is fixed on the spline shaft 205 and is externally meshed with the fifth gear 1062 for transmission. The fifth gear 1062 is assembled on the pin shaft 1062a by setting a bearing structure. Both ends of the pin shaft 1062a are fixed in the middle position on both sides of the first reduction box 106, and the fifth gear 1062 is externally meshed with the sixth gear 1063 for transmission.

[0096] like Figure 1-Figure 4 As shown, the sixth gear 1063 in the first sub-reduction box 106 is connected to the spline shaft at the left end of the left second rotary tiller shaft 112 by setting an internal spline structure, thereby driving the left second rotary tiller shaft 112 to rotate. The right end of the left second rotary tiller shaft 112 is supported on the shaft bracket 112a by setting a bearing structure. The shaft bracket 112a is fixed to the outer end of the first suspension beam 105b by bolts. The first sub-reduction box 106 and the second sub-reduction box 108 are fixedly supported on the first suspension beam 105b and the inner end position of the suspension beam 105b by a bolt structure.

[0097] When the active bevel gear 103 drives the driven bevel gear 103a to rotate, the horizontal shaft 1041 is driven to rotate, and the power drives the fourth gear 1061 in the first reduction box 106 to rotate through the cross fork 1071, the right transmission shaft 107, the connecting shaft 202, the connector 204, and the spline shaft 205, and then drives the fifth gear 1062 and the sixth gear 1063 to finally drive the left second rotary blade shaft 112 to rotate synchronously. Figure 6 As shown, a plurality of rotary tilling blades 114 are arranged at equal intervals on the two first rotary tilling blade shafts and the two second rotary tilling blade shafts.

[0098] Because the rotary tiller has a symmetrical structure on the left and right, the power is transmitted to the lower gear path in the second sub-reduction box 108 through the left transmission shaft 109, which is consistent with the lower gear path in the first sub-reduction box 106 transmitted by the right transmission shaft 107, ultimately driving the left second rotary tiller shaft 112 and the right second rotary tiller shaft 113 to rotate synchronously.

[0099] The rotary tiller described in the present invention adopts a dual-axis transmission solution, which can ensure the power and stability of the left second rotary tiller shaft 112 and the right second rotary tiller shaft 113 when rotary tilling the land, and avoid problems such as insufficient power and poor balance at the end of the rotary tiller shaft when single-axis power transmission occurs.

[0100] like Figure 7 As shown, the right end of the connecting shaft 202 is the left connecting disk 2041 of the connector 204, and the inner end of the left connecting disk 2041 (close to the side of the connecting shaft 202) is supported by a bearing support 203 fixed in the bearing support plate 201, and a cylindrical bearing is arranged in the bearing support 203 to ensure the stability of the left connecting disk 2041 during rotational connection. The right connecting disk 2042 of the connector 204 is fixedly connected to the left end of the spline shaft 205, and both ends of the spline shaft 205 are supported by a bearing structure through the upper end of the first sub-reduction box 106.

[0101] like Figure 7 , Figure 8 As shown, the connector 204 is connected by a left connecting disk 2041 and a right connecting disk 2042 through a plurality of mushroom nails 206 (uniformly arranged on the disk in a circle) fixed on the circumference of the left connecting disk 2041. The mushroom nails 206 are limited in their assembly position by assembling nuts on the outer end surface of the left connecting disk 2041. A rubber ring 2061 is provided at the junction of the mushroom nails 206 and the right connecting disk 2042 to mitigate the impact when the left connecting disk 2041 and the right connecting disk 2042 are connected to ensure their smooth combination. The disk surface of the right connecting disk 2042 is provided with a cylindrical hole corresponding to the mushroom nail 206, and the inner end surface (close to the left connecting disk 2041 side) of the cylindrical hole is provided with The circular chamfer facilitates the matching connection between each mushroom nail 206 and its corresponding cylindrical hole. When the connector 204 is in a connected state, the mushroom nail 206 ensures the reliability of the left connecting disk 2041 and the right connecting disk 2042, so that the right connecting disk 2042 rotates synchronously with the left connecting disk 2041, and the right connecting disk 2042 drives the spline shaft 205 to rotate synchronously through the internal spline; when the right connecting disk 2042 of the connector 204 is folded upward with the spline shaft 205, it can automatically detach from the mushroom nail 206. The design and structural characteristics of the connector 204 ensure the stability and reliability of the left connecting disk 2041 and the right connecting disk 2042 when automatically detaching or automatically connecting.

[0102] like Fig. 9 , Fig.10As shown, it is a folding connection structure of a rotary tiller, a sleeve 302 is arranged outside a support shaft 301, and the sleeve 302 can rotate around the support shaft 301, and two ends of the sleeve 302 are respectively supported by two front and rear first support plates 303 and two second support plates 303a fixed at two ends of the first cross beam 105a and the second cross beam 105c on both sides, and two front and rear third support plates 304 and two fourth support plates 304a fixed at the other ends of the two first suspension beams and the other ends of the two second suspension beams through bearings, the other ends of the two first support plates 303 and the two third support plates 304 overlap with each other to form a group of triangular structures, and the other ends of the two second support plates 303a and the two fourth support plates 304a overlap with each other to form a group of triangular structures, and the front and rear two pairs of first support plates 303, second support plates 303a, third support plates 304 and fourth support plates 30 4a can rotate around the sleeve 302, both ends of the support shaft 301 extend a certain length relative to the sleeve 302, and the front end (close to the tractor end) is used to install a group of connecting rods 305, and the lower end sleeve 305a of the group of connecting rods 305 is assembled on the front end of the support shaft 301 through a needle bearing and can swing freely around it, and the upper end sleeve 305b of the connecting rod 305 is assembled on the pin 306 through a needle bearing and can swing freely around it. At the same time, the piston rod 307a and the piston rod 308a of the second hydraulic cylinder 307 and the first hydraulic cylinder 308 assembled on the pin 306 are arranged at intervals, and the upper ends of the piston rod 307a and the piston rod 308a are hinged on the pin 306 through a circular supporting ring and can swing freely around it, and the lower ends of the second hydraulic cylinder 307 and the first hydraulic cylinder 308 are hinged on the first crossbeam 105a through the support pin and the support seat structure and can swing around the support pin.

[0103] like Fig.19 As shown in FIG. 1 , when the tractor is traveling on the road, the two first suspension beams 105b at both ends of the rotary tiller are folded and stored through the hydraulic system, and the oil storage tank in the hydraulic system is respectively connected to the upper oil port 3071 and the lower oil port 3072 of the second hydraulic cylinder 307 (the upper oil port 3081 and the lower oil port 3082 of the first hydraulic cylinder 308) through the oil pipe. Fig.11As shown, when the hydraulic system is started to realize the folding of the rotary tiller, the hydraulic oil in the oil storage tank flows into the upper oil port 3071 of the second hydraulic cylinder 307 and the upper oil port 3081 of the first hydraulic cylinder 308 through the oil pipe. As the oil flows into the upper chamber oil pressure in the second hydraulic cylinder 307 and the first hydraulic cylinder 308, the piston rod 307a and the piston rod 308a are urged to be compressed into the hydraulic cylinder. At the same time, the lower chamber oil in the second hydraulic cylinder 307 and the first hydraulic cylinder 308 flows back to the oil storage tank from the oil port 3072 and the oil port 3082 through the oil pipe. Under the action of the pressure difference between the upper and lower chambers of the hydraulic cylinder, the piston rod is compressed relative to the hydraulic cylinder. The first suspension beams 105b at both ends rotate upward by a certain angle around the support shaft 301 together with the connecting rod 305 as the compression of the second hydraulic cylinder 307 relative to the piston rod 307a and the first hydraulic cylinder 308 relative to the piston rod 308a changes, wherein the structural parameters of the second hydraulic cylinder 307 and the first hydraulic cylinder 308 and the piston rod 307a and the piston rod 308a match to ensure that the first suspension beam 105b can be folded upward by 180 degrees until the knife shaft bracket 112a at the outer end of the first suspension beam 105b falls on the bracket assembly 101a, and during this process, the left connecting plate 2041 and the right connecting plate 2042 of the connector 204 automatically disengage and separate.

[0104] When the tractor is rotary tilling the land in the field, the first suspension beams 105b at both ends of the rotary tiller are unfolded by controlling the hydraulic system. The oil storage tank in the hydraulic system is connected to the upper oil port 3071 and the lower oil port 3072 of the second hydraulic cylinder 307 (the upper oil port 3081 and the lower oil port 3082 of the first hydraulic cylinder 308) through oil pipes. Fig.11 As shown, when the hydraulic system is started to realize the deployment of the rotary tiller, the hydraulic oil in the oil storage tank flows into the lower oil port 3072 and the lower oil port 3082 of the second hydraulic cylinder 307 and the first hydraulic cylinder 308 through the oil pipe. As the oil flows into the lower chamber oil pressure in the second hydraulic cylinder 307 and the first hydraulic cylinder 308 increases continuously, the piston rod 307a and the piston rod 308a are urged to extend outwards, and at the same time, the upper chamber oil in the second hydraulic cylinder 307 and the first hydraulic cylinder 308 flows back to the oil storage tank from the upper oil port 3071 and the upper oil port 3081 through the oil pipe. In the process, under the action of the pressure difference in the upper and lower chambers of the hydraulic cylinder, the piston rod is stretched outward relative to the hydraulic cylinder, and the first cantilever beams 105b at both ends are turned downward 180 degrees around the support shaft 301 together with the connecting rod 305 as the second hydraulic cylinder 307 and the first hydraulic cylinder 308 extend and change until the initial unfolded position of the rotary tiller is restored. During this process, the cylindrical hole on the right connecting disk 2042 of the connector 204 is automatically matched and connected with the mushroom nail 206 of the left connecting disk 2041, thereby realizing the synchronous rotation of the connecting shaft 202 and the spline shaft 205.

[0105] like Fig.12As shown, the ridging device includes: a suspension beam assembly, a left connecting plate 5082, a connecting rod 5081, a right connecting plate 5084 and a plow 507, and the suspension beam assembly includes: a main beam 501 and two third suspension beams 501a;

[0106] Among them, the square main beam 501 is suspended by two square bosses 502 arranged symmetrically on the left and right at the rear end of the second cross beam 105c and fixed by a pair of U-shaped bolts. The outer ends of the two square third suspension beams 501a are fixed on the square bosses 503 by a pair of U-shaped bolts, and the inner ends of the square third suspension beams 501a are fixed between the square bosses 504 and the second square longitudinal arm beam 505 by four I-shaped bolts. Four bolt holes corresponding to U-shaped bolts or I-shaped bolts are arranged on the diagonals around the square bosses 503 and 504. The two square third suspension beams 501a are arranged symmetrically on the left and right, and the first square longitudinal arm beam 506 is fixed to the center position of the square main beam 501 by a pair of U-shaped bolts.

[0107] like Fig.13 As shown, six groups of plows 507 are arranged at equal intervals from the left end to the right end of the square main beam 501. The plows 507 are fixed to the square main beam 501 through a connecting rod mechanism 508 and a pair of U-shaped bolts. Two groups of plows 507 are arranged at equal intervals on each of the two square third suspension beams 501a, and the spacing between the plows 507 arranged on the inner sides of the two square third suspension beams 501a and the plows arranged on the square main beam 501 is consistent.

[0108] In this embodiment, ten groups of plows 507 arranged at equal intervals on the main beam 501 and the two square third suspension beams 501a on both sides thereof can ensure the consistency of the spacing between the ridges during rotary tillage and ridge forming.

[0109] like Figure 12-14 As shown, the connecting rod mechanism 508 is composed of a pair of connecting rods 5081, a left connecting plate 5082 (supported on the square main beam 501), four cylindrical pins 5083, a right connecting plate 5084, and a plow arrow 5085. The inner end surfaces (relative direction positions) of the left connecting plate 5082 and the right connecting plate 5084 are respectively provided with two bosses with holes at the upper and lower levels for assembling the cylindrical pins 5083. The two ends of the connecting rod 5081 are respectively connected and constrained to the left connecting plate by the cylindrical pins 5083 through the provision of a coiled ear structure. 5082 and the right connecting plate 5084, and can swing around the cylindrical pin 5083. The lower end of the cylindrical pin 5083 is prevented from being disengaged by setting a sleeve and a pin. A splint structure is arranged at intervals on the outer end of the right connecting plate 5084. A plurality of through holes are symmetrically arranged at intervals along the longitudinal direction on the splint structure, and the height can be adjusted. The plow arrow 5085 connected to the upper end of the plow 507 is fixed in the splint structure by bolts or pins, and the tilling depth of the plow 507 can be adjusted by adjusting the installation height of the plow arrow 5085.

[0110] The plow arrow 5085 is fixedly connected to the outer end of the connecting rod mechanism 508 through the right connecting plate 5084. The plow arrow 5085 can swing around the left connecting plate 5082 through four cylindrical pins 5083. This structure ensures that when the plow 507 deviates to the left or right, the plow head of the plow always faces the forward direction when plowing.

[0111] In order to realize the function of equal spacing and adjustable spacing between the ten groups of plows 507, a spacing adjustment device is provided to adjust the spacing between the ten groups of plows 507. In this embodiment, the spacing adjustment device includes three groups of stepper motors and screw mechanisms, and each group of motors is controlled by an independent controller. Figure 15-17 As shown, the six groups of plows 507 on the main beam 501 are controlled and adjusted by the main motor 601 and the first screw 602 , and the two groups of plows 507 on the third suspension beam 501a are controlled and adjusted by the side motor 603 and the second screw 604 .

[0112] like Fig.16 As shown, the main motor 601 is fixed to one side of the upper end of the auxiliary support plate 6011 by a bolt structure, and the other side of the lower end of the auxiliary support plate 6011 is fixedly welded to the sleeve 6012, and the sleeve 6012 is assembled on the second support pin 5061 and can swing around it, and the second support pin 5061 is welded to a boss on one side of the first square longitudinal arm beam 506, and the output end of the main motor 601 is connected to the first screw 602, and the first screw 602 passes through the internal threaded hole at the upper end of the main support plate 6013, and the other side of the lower end of the main support plate 6013 is fixedly welded to the sleeve 6014, and the sleeve 6014 is assembled on the first support pin 703 and can swing around it.

[0113] The structure of the torsion bar 701 is as follows: Fig.17 As shown, a plurality of first support pins 703 are fixed on one side of the torsion bar 701 in a symmetrical structure at both ends. The torsion bar 701 is fixedly constrained to the tail end of the first square longitudinal arm beam 506 by a pin 702, and the torsion bar 701 can swing around the pin 702. A plurality of first support pins 703 are arranged at both ends of the torsion bar 701, and the distance between the support pins is arranged according to a certain proportional relationship, that is, the distance from the pin 702 to each first support pin 703 increases in proportion to this.

[0114] When the controller controls the main motor 601 to work, the main motor 601 drives the first screw 602 to rotate in a certain direction, and the first screw 602 actuates the main support plate 6013 to rotate toward the outer end of the screw. At this time, due to the constraint of the sleeve 6012 and the second support pin 5061, the sleeve 6014 and the support pin, and the torsion bar 701, the first screw 602 actuates the main support plate 6013 to rotate around the pin 702 in the clockwise direction through a certain angle (at the same time, the first screw 602 drives the main motor 601 in the reverse direction to rotate around the second support pin 5061 also rotates clockwise), the inner ends of the push rod 703a (close to the end of the torsion bar 701) are supported on the first support pin 703 by setting a coil ear and can swing around it, the first support pin 703 pushes the push rod 703a to rotate a corresponding angle in the clockwise direction, and the outer ends of the push rod 703a are respectively fixed on the outer end inner cylindrical pin 5083 of the connecting rod mechanism 508, that is, the push rod 703a pushes the corresponding connecting rod mechanism 508 to rotate a corresponding angle in the clockwise direction, and this angle corresponds to the equal spacing change between each group of plows.

[0115] like Fig.13 As shown, the side motor 603 has the same fixed connection structure as the main motor 601, which is fixedly constrained on a side boss of the second square longitudinal arm beam 505 by bolts, a support plate, a sleeve and a support pin. The output end of the side motor 603 is connected to the second screw rod 604. The side support plate penetrated by the second screw rod 604 is assembled on the support pin 706 through the sleeve and can swing around it. The support pin 706 is fixed at a position slightly forward of the middle of the inner connecting rod 5081. The inner end of the second push rod 706a (close to the end of the torsion bar 701) is supported on the support pin 706 by setting a coil ear and can swing around it. The outer end of the second push rod 706a is fixed on the support pin 707 in the middle position of the outermost group of connecting rods 5081.

[0116] When the controller controls the main motor 601 to work, the other two groups of controllers notify the control side motor 603 to rotate in the same direction, and the second screw 604 actuates the side support plate to rotate a certain angle around the support pin 706 in the corresponding direction, and the support pin 706 drives the second push rod 706a to push the support pin 707 on the outermost group of connecting rod mechanisms 508 to rotate a corresponding angle in the corresponding direction. The support pins 706 and 707 are set at fixed points on the connecting rod 5081 to ensure that when the second screw 604 rotates, the spacing adjustment between the two outermost groups of plows is always the same as the spacing between the middle six groups of plows 507, thereby ensuring the consistency of the spacing of the rotary tillage and ridge forming.

[0117] When the spacing between the plows needs to be reduced, the main motor 601 and the side motor 603 are controlled to rotate in opposite directions at the same time to restore the initial spacing setting. The main motor 601 and the side motor 603 in this device are both stepping motors.

[0118] like Fig.19As shown, the cover plate 401 and the tail plate 402 on the rotary tillage and ridging machine effectively prevent soil from splashing when the rotary tiller is tilling the land. The tail plate 402 can adjust its inclination angle relative to the ground through the lifting pull rod 403 (bidirectional hydraulic cylinder structure), and the tail plate 402 can also play a role in leveling and loosening the soil; the limiting wheel 404 fixes the front end of the crossbeam 105 through the adjusting bracket 405, and the ground height of the limiting wheel 404 can be adjusted by adjusting the installation position of the bolt hole on the adjusting bracket 405, thereby effectively adjusting the tillage depth of the rotary tiller in the soil; the triangular plow 406 arranged on the front side below the main reduction box 104 and the triangular plow 406 on the front side below the first and second reduction boxes 106 and 108 effectively make up for the gap in the rotary tillage land when the reduction box position lacks a rotary tillage blade, thereby achieving a full coverage effect of loosening the soil.

[0119] The rollers 801 and 803 are supported at the rear of the rotary tillage and ridging machine by a support frame 802 welded on the main beam 501 and the third suspension beam 501a, so as to level and compact the ridge surface after the front plow 507 has ridged the ridge. At the same time, the foldable roller 803 is provided to ensure the horizontal width of the leveled ground.

[0120] When the engine output power drives the main transmission shaft 102 through the transmission device to drive the active bevel gear 103 to rotate, the active bevel gear 103 drives the driven bevel gear 103a in the main reduction box 104 to rotate, and then drives the first gear 1042 to rotate, and then drives the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 to rotate synchronously through the second gear 1043 and the third gear 1044, driving the rotary tiller blades on the left first rotary tiller shaft 110 and the right first rotary tiller shaft 111 (each group of blades has equal spacing and is fixed on the rotary tiller shaft in positive and negative alternations) to penetrate deep into the soil and loosen the soil.

[0121] At the same time, the active bevel gear 103 drives the driven bevel gear 103a in the main reduction box 104 to rotate, and then drives the horizontal shaft 1041 to rotate. The horizontal shaft 1041 drives the gear 1061 in the first sub-reduction box 106 to rotate through the right transmission shaft 107, the connecting shaft 202, the connector 204, and the spline shaft 205, and then drives the left second rotary tiller shaft 112 (113) to rotate synchronously through the gear 1062 and the gear 1063, driving the rotary tiller blade on the left second rotary tiller shaft 112 (113) to penetrate into the soil and loosen the soil.

[0122] At the same time, the plow 507 fixed on the main beam 501 and the third suspension beam 501a realizes ridge formation of the land behind the rotary tillage, and the rollers 801 and 803 level and compact the ridge formation surface.

[0123] When the rotary tillage and ridging machine is not working, Figures 9 to 11The hydraulic system shown in the figure realizes folding and storage. Under the action of the hydraulic system, the second hydraulic cylinder 307 and the first hydraulic cylinder 308 and the piston rod 307a and the piston rod 308a are relatively compressed so that the first suspension beam 105b can be folded upward by 180 degrees until the knife shaft bracket 112a at the outer end of the first suspension beam 105b falls on the bracket assembly 101a. Fig.19 As shown, during this process, the left connecting disk 2041 and the right connecting disk 2042 of the connector 204 are automatically separated, and the rotary tillage mechanism and the ridging mechanism are folded together.

[0124] The present invention designs and develops a foldable rotary tillage and ridging machine. By adopting a folding method, it can not only effectively meet the size parameter requirements of the rotary tillage and ridging machine suspension during normal driving, but also greatly improve the single operation area of ​​the rotary tillage and ridging machine through stretching operations, thereby improving the efficiency of land rotary tillage and ridging operations. The use of a double-barrel hydraulic folding system can effectively improve its folding effect and stability. At the same time, the adjustment of the ridging row spacing based on the motor screw mechanism can automatically adjust the ridging spacing according to the row spacing requirements of crop planting, greatly improving the efficiency and quality of land rotary tillage and ridging operations. The test results show that the foldable rotary tillage and ridging machine can greatly improve the efficiency and quality of rotary tillage and ridging operations.

[0125] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the embodiments shown and described herein.

Claims

1. A foldable rotary tillage and ridging machine, characterized in that: include: frame; as well as A rotary tillage device, which is arranged at the lower front end of the frame, and the rotary tillage device is foldable; A ridging device, which is arranged at the lower part of the rear end of the frame, and the ridging device is arranged corresponding to the rotary tillage device; Wherein, the ridging device comprises: A suspension beam assembly, which is arranged at the rear end of the frame, and the suspension beam assembly is arranged corresponding to the rotary tillage device; A plurality of left connecting plates, which are detachably arranged on the suspension beam assembly, and the plurality of left connecting plates have the same spacing; A plurality of connecting rods, one end of which is respectively and rotatably arranged on the plurality of left connecting plates in a one-to-one correspondence; A plurality of right connecting plates, which are respectively and rotatably arranged at the other ends of the plurality of connecting rods in a one-to-one correspondence; A plurality of plows are respectively and one by one arranged on the plurality of right connecting plates, and the heights of the plurality of plows are adjustable.

2. The foldable rotary tillage and ridging machine according to claim 1, characterized in that: The frame is a frame structure consisting of a first crossbeam, two first suspension beams, a second crossbeam, two second suspension beams and a plurality of knife shaft supports; Among them, the first crossbeam and the two first suspension beams are coaxially arranged, and the two first suspension beams are spaced apart on both sides of the first crossbeam, the second crossbeam and the two second suspension beams are coaxially arranged, and the two second suspension beams are spaced apart on both sides of the second crossbeam, the first crossbeam and the second crossbeam are spaced apart in parallel, and the multiple knife axis supports are all in a triangular structure, and the two corners thereof are respectively connected to the two ends of the first crossbeam and the second crossbeam and one end of the first suspension beam and the second suspension beam away from the first crossbeam in a one-to-one correspondence.

3. The foldable rotary tillage and ridging machine according to claim 2, characterized in that: The rotary tillage device comprises: A main reduction gearbox is arranged between the first crossbeam and the second crossbeam, and an input end of the main reduction gearbox is connected to an output shaft of a vehicle gearbox, and the main reduction gearbox includes two first output ends and a second output end; Wherein, the two first output ends are arranged at 90 degrees to the input end, and the second output end is arranged in parallel with the two first output ends and outputs synchronously; Two first rotary tiller shafts are symmetrically arranged on both sides of the second output end, and one end of the two first rotary tiller shafts is connected to the second output end, and the other end is rotatably arranged on the third corner of the shaft bracket; Two auxiliary reduction gearboxes, which are respectively arranged between the two ends of the first crossbeam and the second crossbeam, and the input ends of the two auxiliary reduction gearboxes are respectively selectively connected or disconnected with the two first output ends, and the two auxiliary reduction gearboxes each include a third output end; Two second rotary tiller shafts are symmetrically arranged on both sides of the two first rotary tiller shafts, and one end of the two second rotary tiller shafts is respectively connected to the two third output ends, and the other end is rotatably arranged on the third corner of the shaft bracket; A plurality of rotary tilling blades are arranged at equal intervals on two first rotary tilling blade shafts and two second rotary tilling blade shafts.

4. The foldable rotary tillage and ridging machine according to claim 3, characterized in that: The rotary tillage device also includes: Two first support plates, one end of each of which is fixed on a first crossbeam close to the end; Two second support plates, one end of each of which is fixed on a second cross beam close to the end; Two third support plates, one end of which is respectively fixed to the other end of the two first suspension beams, and the other end of which overlaps with the other end of the two first support plates; Two fourth support plates, one end of which is respectively fixed to the other end of the two second suspension beams, and the other end of which overlaps with the other end of the two second support plates; Two sleeves, one end of which is rotatably disposed on the other end of the first support plate and the other end of the third support plate, and the other end of which is rotatably disposed on the other end of the second support plate and the other end of the fourth support plate; Two supporting shafts are rotatably disposed in two sleeves respectively; Two sets of connecting rods, one end of which is rotatably sleeved on two supporting shafts; Two pins rotatably disposed at the other ends of the two sets of connecting rods; Two first hydraulic cylinders, the bottoms of the cylinder bodies of which are rotatably arranged at the two ends of the first cross beam, and the piston rods of which are rotatably sleeved on the two pins between the two sets of connecting rods; Two second hydraulic cylinders, the bottoms of the cylinder bodies of which are rotatably arranged on the other ends of the two first suspension beams, and the piston rods of which are rotatably sleeved on the ends of the two pin shafts; Wherein, the two first hydraulic cylinders and the two second hydraulic cylinders are both connected to the hydraulic system.

5. The foldable rotary tillage and ridging machine according to claim 4, characterized in that: The suspension beam assembly comprises: A main beam, which is detachably arranged in parallel at the rear end of the second cross beam; Two third suspension beams, which are respectively and detachably arranged in parallel at the rear ends of the two second suspension beams, and the two third suspension beams are coaxially arranged with the main beam; Among them, the multiple left connecting plates are detachably arranged on the main beam and the two third suspension beams, and the multiple first push rods are respectively corresponding to and rotatably connected to the multiple plows on the main beam.

6. A foldable rotary tillage and ridging machine, characterized in that: The machine comprises the frame, rotary tillage device and ridging device as described in any one of claims 1 to 5, and further comprises: A spacing adjustment device, which is arranged on the ridging device and is used to adjust the ridging spacing; Wherein, the spacing adjustment device comprises: A first square longitudinal arm beam, which is arranged on the ridging device corresponding to the second cross beam; A main motor, which is rotatably arranged on the first square longitudinal arm beam; A first screw rod, which is fixedly connected to the power output end of the main motor; A torsion bar, which is rotatably arranged on the first square longitudinal arm beam, and a plurality of first support pins are arranged at intervals on the torsion bar; A main support plate, which is rotatably disposed on the first support pin, and the main support plate is threadably matched with the first screw rod; A plurality of first push rods have one end which is rotatably mounted on the plurality of first support pins in a one-to-one correspondence, and the other end which is rotatably connected to the plurality of plows in a one-to-one correspondence, so as to adjust the spacing between the plurality of plows.

7. The foldable rotary tillage and ridging machine according to claim 6, characterized in that: The spacing adjustment device also includes: Two second square longitudinal arm beams, which are detachably arranged vertically at the rear ends of the two third suspension beams; Among them, the first square longitudinal arm beam is detachably arranged vertically at the rear end of the main beam, the two second square longitudinal arm beams are arranged parallel to the first square longitudinal arm beam, and the first square longitudinal arm beam and the two second square longitudinal arm beams are vertically provided with bosses, and the bosses are in the same horizontal plane as the first square longitudinal arm beam and the two second square longitudinal arm beams.

8. The foldable rotary tillage and ridging machine according to claim 7, characterized in that: The spacing adjustment device also includes: a second support pin, which is vertically fixed on the boss of the first square longitudinal arm beam; A sleeve rotatably sleeved on the outer side of the second supporting pin; A secondary support plate, which is fixed on the sleeve; Wherein, the main motor is fixed on the auxiliary supporting plate.

9. The foldable rotary tillage and ridging machine according to claim 8, characterized in that: The spacing adjustment device also includes: Two side motors, which are respectively rotatably arranged on the bosses of the two second square longitudinal arm beams; Two side support plates, which are respectively rotatably arranged on the connecting rods of the two third suspension beams close to the second square longitudinal arm beam; Two second screws, one end of which is fixedly connected to the power output ends of the two side motors respectively, and the other end of which is threadedly engaged with the two side support plates respectively; At least two second push rods have one end fixed on the two side support plates respectively, and the other end is connected to the multiple plows on the two third suspension beams in a one-to-one corresponding and rotatable manner.

10. The foldable rotary tillage and ridging machine according to claim 9, characterized in that: Also includes: A plurality of support frames, one end of which is respectively arranged on the main beam and the two third suspension beams; A plurality of rollers are foldably arranged at the other end of the plurality of support frames, so that the plurality of rollers can be selectively pressed on the ridge platform or lifted up.

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