Regenerated rice is rolled rice stubble micro righting machine

Abstract

The application discloses a micro righting machine for regenerative rice crushed stubble, which comprises a transmission mechanism for transmitting power of a farm machine to a righting mechanism, the transmission mechanism comprising a gearbox, a driving shaft and two groups of transmission assemblies, the gearbox being connected with the farm machine transmission and transmitting power to both sides through the driving shaft, the driving shaft being fixedly connected with driving members of the two groups of transmission assemblies at both ends; the righting mechanism for righting the regenerative rice crushed stubble, the righting mechanism comprising a transmission roller, two groups of righting wheel assemblies and a reciprocating sleeve assembly, the transmission roller being provided with a reciprocating cross thread groove near both ends, the two groups of righting wheel assemblies and the reciprocating sleeve assembly being fixedly connected with driven members of the transmission assemblies at the same hole center line, being respectively sleeved at both ends of the transmission roller and being embedded into the thread groove through a finger pin of the reciprocating sleeve assembly; and a rack for mounting and fixing the transmission mechanism and the righting mechanism, both ends of the driving shaft being rotatably connected with the rack, both ends of the transmission roller being fixedly connected with the rack, and the rack being connected with the farm machine through a suspension mechanism.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural machinery, in particular to a micro righting machine for regenerative rice stubble. BACKGROUND

[0002] As a light and simple rice cultivation method for increasing yield and multiple cropping index, regenerative rice has the advantages of time saving, seed saving, labor saving, cost saving and efficiency increasing, and its planting area is expanding. However, the damage of the stubble left by the first season due to the mechanical harvesting of regenerative rice will seriously affect the yield of the second season, which restricts the further scale of regenerative rice.

[0003] Currently, in order to reduce the problem of low yield in the second season caused by the mechanical harvesting and rolling of regenerative rice in the first season, relevant research mainly focuses on three aspects: first, improving or redesigning the special harvesting machine for regenerative rice based on narrow track wheels or wheels to reduce the rolling rate; second, reducing the rolling rate based on automatic driving technology; third, improving the yield of the second season by righting the rolled rice stubble. However, the narrow track or narrow tire chassis determines the reduction of the harvesting efficiency of the harvesting machine, and the application of automatic driving equipment will greatly increase the user cost, and it is more feasible to use the righting device to right the rolled rice stubble. However, the current righting device is difficult to right the rice stubble which is severely lodged and adhered to the surface of the rice field, and it is difficult to show the advantages of the righting device.

[0004] In order to solve the problem that the rolled rice stubble of regenerative rice can grow better, a double sweeping reel micro righting mechanism which can reciprocate left and right is designed to right the rolled rice stubble of regenerative rice. SUMMARY

[0005] The purpose of the present application is to provide a micro righting machine for regenerative rice stubble to solve the problems existing in the prior art.

[0006] To achieve the above purpose, the present application provides the following scheme:

[0007] A micro righting machine for regenerative rice stubble, comprising:

[0008] A righting mechanism for righting the rolled rice stubble of regenerative rice, the righting mechanism comprising a transmission roller and two groups of righting wheels, the transmission roller having reciprocating thread grooves at both ends, and the transmission roller being screw-connected with the two groups of righting wheels at both ends through the thread grooves;

[0009] A transmission mechanism for transmitting power of an agricultural machine to the righting mechanism, the transmission mechanism comprising a drive shaft and two groups of transmission assemblies, the drive shaft being fixedly connected with the two groups of transmission assemblies at both ends, the drive shaft being transmission-connected with a gearbox, and the gearbox being transmission-connected with the agricultural machine; the transmission assemblies being in one-to-one correspondence with and transmission-connected with the righting wheels.

[0010] A rack is arranged to fix the righting mechanism and the transmission mechanism, the driving shaft is rotatably connected to the rack at both ends, the transmission roller is fixedly connected to the rack at both ends, and the rack is fixedly connected to the agricultural machine.

[0011] Preferably, the righting wheel comprises two groups of hubs, the two groups of hubs are rotatably connected to one end of the transmission roller respectively, a plurality of pressing rods are rotatably connected at equal intervals between the two groups of hubs, a plurality of pawls are fixedly connected at equal intervals to the side surface of the pressing rod, and the plurality of pawls are arranged on the same generatrix of the pressing rod; an eccentric assembly is arranged close to the end surface of the transmission roller, and the eccentric assembly is fixedly connected to one end of the adjacent pressing rod.

[0012] Preferably, the hub comprises a rim and a plurality of straight spokes, the plurality of straight spokes are fixedly connected at equal intervals to the side surface of the rim, a reciprocating sleeve is sleeved and fixed to the rim, the reciprocating sleeve is screwed with the transmission roller through the threaded groove, and the pressing rod is penetrated through the straight spoke and fixedly connected to the eccentric assembly at any end.

[0013] Preferably, the eccentric assembly comprises an adjusting plate, the adjusting plate is sleeved on the outer side surface of the reciprocating sleeve and is arranged with a gap on the outer side surface of the reciprocating sleeve, the adjusting plate is fixedly connected to an eccentric disc through a plurality of fixed shafts, a plurality of eccentric spokes are fixedly connected at equal intervals to the side surface of the eccentric disc, an eccentric shaft is fixedly connected to one end of the eccentric spoke away from the eccentric disc, a connecting plate is rotatably connected to the eccentric shaft, and the connecting plate is fixedly connected to one end of the pressing rod.

[0014] Preferably, the transmission assembly comprises a main pulley and a driven pulley, the main pulley is fixedly connected to the driving shaft, the driven pulley is fixedly connected to the transmission roller, and the pulley and the driven pulley are drivingly connected through a belt.

[0015] Preferably, the transmission roller and the driving shaft are arranged at the bottom end and the top end of the rack respectively.

[0016] Preferably, the pawl is in a U-shaped structure, and the pawl is 90°-120° to the ground.

[0017] Preferably, a plurality of spiral rings are bent at one end of the pawl.

[0018] Preferably, a plurality of adjusting holes are arranged in the middle of the adjusting plate, and the center of the connecting line of the centers of the plurality of adjusting holes is arranged on the axis of the transmission roller.

[0019] The present application has the following technical effects:

[0020] The regenerative rice stubble righting device can be hung behind the rice harvester through a suspension mechanism for use, or hung behind the rice transplanter head as an independent agricultural implement.

[0021] The regenerative rice stubble righting device can realize the righting mechanism prong righting the rolled rice stubble while also pronging the lodged rice stubble adhered to the mud surface to the left and right to separate the adhered state under the traction and power transmission of the head, so as to improve the righting efficiency of the rolled rice stubble. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0023] Figure 1 It is a side view structural schematic diagram of the righting machine;

[0024] Figure 2 It is a structural schematic diagram of the righting machine being pulled by agricultural machinery;

[0025] Figure 3 It is a side view structural schematic diagram of the righting wheel;

[0026] Figure 4 It is a side view structural schematic diagram of the hub;

[0027] Figure 5 It is a side view structural schematic diagram of the eccentric assembly;

[0028] Among them, 1, transmission roller; 2, rack; 3, drive shaft; 4, pressing rod; 5, prong; 6, rim; 7, right spoke; 8, reciprocating sleeve; 9, adjusting plate; 10, fixed shaft; 11, eccentric disc; 12, eccentric spoke; 13, eccentric shaft; 14, connecting plate; 15, main pulley; 16, belt; 17, adjusting hole; 19, gearbox; 20, finger pin; 21, inner circlip; 22, pressing block; 23, transmission sleeve, 25, driven pulley. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] In order to make the above objectives, characteristics and advantages of the present application more apparent, comprehensible and easier to be understood, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0031] By Figures 1-5 The present application discloses a micro righting machine for rice stubble, which comprises:

[0032] A righting mechanism is arranged for righting the rice stubble, and the righting mechanism comprises a transmission roller 1 and two groups of righting wheels.

[0033] A transmission mechanism is arranged for transmitting power of the agricultural machine to the righting mechanism, and the transmission mechanism comprises a driving shaft 3 and two groups of transmission assemblies.

[0034] A rack 2 is arranged for mounting and fixing the righting mechanism and the transmission mechanism.

[0035] Further, the rack 2 can be connected to the agricultural machine, and the height of the rack 2 can be adjusted through the agricultural machine.

[0036] Further, the walking wheels of the agricultural machine are changed, and narrower water field wheels or narrow tracks are used.

[0037] The present application is pulled by the agricultural machine, and the two righting wheels are driven by the two transmission rollers 25 to rotate around the transmission roller 1 and reciprocate along the axis of the transmission roller 1, so that the righting wheels can be righted while the rice stubble is poked by the prongs 5.

[0038] Further optimization scheme, the righting wheel includes two groups of wheel hubs, two groups of wheel hubs are rotatably connected with one end of the transmission roller 1 respectively, a plurality of pressing rods 4 are rotatably connected between the two groups of wheel hubs at equal intervals, a plurality of pawls 5 are fixedly connected to the side surface of the pressing rod 4 at equal intervals, the plurality of pawls 5 are arranged on the same generatrix of the pressing rod 4, the pawl 5 is a U-shaped structure, the pawl 5 is 90°-120° with the ground, one end of the pawl 5 is bent with a plurality of spiral rings, the spiral rings arranged can make the pawl 5 more elastic, avoid the pawl 5 from being damaged by being stuck with non-rice plants. An eccentric assembly is arranged close to the end surface of the transmission roller 1, and the eccentric assembly is fixedly connected to one end of the adjacent pressing rod 4.

[0039] The wheel hub includes a rim 6 and a plurality of straight spokes 7, the plurality of straight spokes 7 are fixedly connected to the side surface of the rim 6 at equal intervals, the rim 6 is sleeved with a reciprocating sleeve 8 and fixedly connected, and the transmission roller 1 is provided with two reciprocating cross-thread grooves at any one end, the reciprocating sleeve 8 is fixedly connected with the rim 6 of the righting mechanism wheel hub and the driven pulley 25 and is sleeved on the transmission roller 1, so that the reciprocating sleeve 8 rotates around the transmission roller 1 together with the righting mechanism and the driven pulley 25, and the righting mechanism moves left and right along the transmission roller 1 by cooperation of a threaded hole of the indicating pin 20 on the reciprocating sleeve 8 and a reciprocating thread groove on the fixed transmission roller 1. The pressing rod 4 penetrates through the straight spoke 7 at any one end and is fixedly connected with the eccentric assembly.

[0040] Further optimization scheme, the eccentric assembly includes an adjusting plate 9, a plurality of adjusting holes 17 are arranged in the middle of the adjusting plate 9, and the center lines of the centers of the plurality of adjusting holes 17 are arranged on the axis of the transmission roller 1. The adjusting plate 9 is sleeved on the outer side surface of the reciprocating sleeve 8 and is detachably connected with the reciprocating sleeve 8, the adjusting plate 9 is fixedly connected with an eccentric disc 11 through a plurality of fixed shafts 10, a plurality of eccentric spokes 12 are fixedly connected to the side surface of the eccentric disc 11 at equal intervals, an eccentric shaft 13 is fixedly connected to one end of the eccentric spoke 12 away from the eccentric disc 11, the eccentric shaft 13 is rotatably connected with a connecting plate 14, and the connecting plate 14 is fixedly connected with one end of the pressing rod 4. By rotating the adjusting plate 9 around the reciprocating sleeve 8 by a certain angle, the pressing rod 4 can be driven to rotate by a certain angle through the eccentric spoke 12, and finally the angle adjustment of the pawl 5 to the ground is realized. The pawl 5 generates friction with the rice stubble, and the rotation direction of the pawl 5 is opposite to the rolling direction of the stubble, so that the purpose of righting is achieved.

[0041] Further, in order to improve the fixing strength of the straight spoke 7, a reinforcing plate is fixedly connected between one end of the adjacent straight spoke 7 away from the rim 6, and a reinforcing plate is also fixedly connected between the adjacent two eccentric spokes 12.

[0042] The working process of the embodiment is as follows:

[0043] The righting machine is connected with the agricultural machine through the power suspension mechanism, and the operation range of the righting wheel covers the range of the tire or track rolling the rice stubble of the regenerated rice. By adjusting the suspension mechanism of the agricultural machine, the frame 2 can be moved up and down within a certain range, so that the righting wheel reaches the corresponding height of righting.

[0044] When not working, the righting wheel is lifted up, and the fixed assembly detachably connected on the frame 2 is adjusted, so that the righting wheel moves in a small range forward and backward. This is the prior art, and will not be described here. The power is transmitted to the power transmission shaft at the tail of the chassis of the agricultural machine through the universal transmission shaft and the gearbox 19, i.e. the speed reducer. The gearbox 19 is in transmission connection with the drive shaft 3, the drive shaft 3 drives the main pulley 15 and transmits power to the righting mechanism and the reciprocating sleeve 8 through the belt 16 and the driven pulley 25 sleeved on the transmission roller 1.

[0045] When the power is transmitted to the righting assembly, the righting assembly is driven to rotate. The reciprocating sleeve 8 is fixedly connected with the rim 6, the rim 6 is fixedly connected with the transmission sleeve 23, and the transmission sleeve 23 is fixedly connected with the pulley 15. The transmission roller 1 is provided with a bidirectional cross reciprocating thread groove at both ends, the reciprocating sleeve 8 is provided with a single-sided through hole, the through hole is slidably connected with a finger pin 20, the bottom end of the finger pin 20 is provided with a thread matched with the thread groove, the top end of the finger pin 20 is fixedly connected with a pressing block 22, the top end of the pressing block 22 is provided with an inner circlip 21, the inner circlip 21 is radially embedded in a circlip groove of the through hole, so as to limit the radial movement of the finger pin 20 and the pressing block 22, so that the finger pin 20 is tightly attached to the reciprocating cross thread groove on the transmission roller 20; the righting assembly drives the reciprocating sleeve 8 and the finger pin 20 to rotate around the transmission roller 1, and when a part of the thread of the finger pin 20 rotates in the reciprocating cross thread groove, it also moves along the thread groove line direction, driving the reciprocating sleeve 8, the righting assembly and the driven pulley 8 to move along the transmission roller 1; the two ends of the reciprocating cross thread groove are provided with a transition spiral line, when the finger pin 20 is driven in a spiral direction and reaches the end of the thread groove, the transition spiral line guides the finger pin 20 to rotate and cut into the thread groove in the opposite direction along the transition spiral line, thereby realizing the reciprocating movement of the finger pin 20, the reciprocating sleeve 8, the righting assembly and the driven pulley 8 along the transmission roller 1 along the transmission roller 1 axis reciprocating movement.

[0046] In this process, the end of the righting and weeding device prongs 5 in the weeding process by left and right to move the adhesion in the mud of the downy rice stubble, in order to better, more righting of the adhesion in the rice field of the rice stubble, improve the righting efficiency.

[0047] Preferably, the righting wheel realizes a movement of 2cm-3cm, at this time, if the distance between the main pulley 15 and the driven pulley 24 is 1m, the left and right deflection angle of the belt 16 is less than 0.55-0.85°, which meets the requirement of belt transmission.

[0048] In order to improve the adaptability of the righting wheel to right different angles of the rolled rice stubble, the righting wheel is provided with an eccentric assembly, and the angle of the pawl 5 to the ground can be adjusted by rotating the adjusting plate 9 around the reciprocating sleeve 8 by a certain angle.

[0049] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element 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 present application.

[0050] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application. Various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A micro-type righting machine for regenerative rice crushed rice stubble, characterized in that, The utility model relates to a kind of rice straw straightening mechanism, including: Righting mechanism, for the righting of regenerative rice is rolled rice stubble, the righting mechanism includes transmission roller (1) and two groups of righting wheel, the transmission roller (1) both ends are provided with reciprocating thread groove, the transmission roller (1) both ends are respectively connected with two groups of the righting wheel by the thread groove screw; Transmission mechanism, for the power transmission of agricultural machine to righting mechanism, the transmission mechanism includes drive shaft (3) and two groups of transmission assembly, the drive shaft (3) both ends are respectively fixedly connected with two groups of the transmission assembly, the drive shaft (3) transmission connection has gearbox (19), the gearbox (19) is connected with the agricultural machine transmission;Transmission assembly is corresponding with the righting wheel and transmission connection; Frame (2), for the installation and fixation of the righting mechanism, the transmission mechanism, the drive shaft (3) both ends are rotatably connected with the frame (2), the transmission roller (1) both ends are fixedly connected with the frame (2), the frame (2) is fixedly connected with the agricultural machine;Two groups of the righting wheel are respectively arranged in two groups of the transmission assembly both sides; The righting wheel includes two groups of wheel hub, two groups of the wheel hub are rotatably connected with one end of the transmission roller (1), a plurality of pressing rods (4) are rotatably connected at equal intervals between two groups of the wheel hub, a plurality of pawls (5) are fixedly connected at equal intervals on the side surface of the pressing rod (4), and a plurality of the pawls (5) are arranged on the same generatrix of the pressing rod (4);Eccentric assembly is arranged close to the end surface of the transmission roller (1), and the eccentric assembly is fixedly connected with one end of the adjacent pressing rod (4);The wheel hub includes a rim (6) and a plurality of straight spokes (7), a plurality of the straight spokes (7) are fixedly connected at equal intervals on the side surface of the rim (6), a reciprocating sleeve (8) is sleeved and fixed to the rim (6), the reciprocating sleeve (8) is screwed with the transmission roller (1) through the thread groove, and the pressing rod (4) penetrates through the straight spoke (7) at any end and is fixedly connected with the eccentric assembly;The eccentric assembly includes an adjusting plate (9), the adjusting plate (9) is sleeved on the outer side surface of the reciprocating sleeve (8), and a gap is arranged on the outer side surface of the reciprocating sleeve (8), the adjusting plate (9) is fixedly connected with an eccentric disc (11) through a plurality of fixed shafts (10), a plurality of eccentric spokes (12) are fixedly connected at equal intervals on the side surface of the eccentric disc (11), one end of the eccentric spoke (12) away from the eccentric disc (11) is fixedly connected with an eccentric shaft (13), the eccentric shaft (13) is rotatably connected with a connecting plate (14), and the connecting plate (14) is fixedly connected with one end of the pressing rod (4); The reciprocating sleeve (8) is provided with a one-way hole, a finger pin (20) is slidably connected in the hole, a thread is formed on the bottom end of the finger pin (20) to match the thread groove, a pressing block (22) is fixedly connected to the top end of the finger pin (20), an inner snap spring (21) is arranged on the top end of the pressing block (22), and the inner snap spring (21) is embedded in the snap spring groove formed on the hole in the radial direction.

2. The micro-straightening machine for regenerative rice and rolled rice straw according to claim 1, characterized in that: The transmission assembly comprises a main pulley (15) and a slave pulley (25), the main pulley (15) is fixedly connected with the driving shaft (3), the slave pulley (25) is fixedly connected with the transmission roller (1), and the main pulley (15) and the slave pulley (25) are drivingly connected through a belt (16).

3. The micro-straightening machine for regenerative rice and rolled rice straw according to claim 1, characterized in that: The transmission roller (1) and the driving shaft (3) are arranged at the bottom end and the top end of the rack (2) respectively.

4. The micro-straightening machine for rice stubble of regenerative rice according to claim 1, characterized in that: The pawl (5) is a U-shaped structure, and the pawl (5) is 90-120 degrees with the ground.

5. The micro-straightening machine for rice stubble of regenerative rice according to claim 4, characterized in that: The end of the pawl (5) is bent with a plurality of spiral rings.

6. The micro-straightening machine for rice stubble of regenerative rice according to claim 1, characterized in that: The middle part of the adjusting plate (9) is provided with a plurality of adjusting holes (17), and the center of the line connecting the centers of the plurality of adjusting holes (17) is arranged on the axis of the transmission roller (1).

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