Cotton stalk harvesting machine

Abstract

The invention discloses a cotton stalk pulling and harvesting machine, which relates to the technical field of agricultural machinery, and comprises a pair of side plates, a fixed roller is arranged between the opposite front ends of the pair of side plates, a concentrically arranged hollow cylinder is sleeved on the fixed roller, an active roller is arranged between the opposite rear ends of the pair of side plates, and the active roller is synchronously rotated and connected with the hollow cylinder through a driving assembly; a rectangular slide is inserted into the outer surface of the hollow cylinder, a pair of hinged plates are arranged on both sides of the outer end of the rectangular slide, and the inner ends of a plurality of rectangular slides are connected with the fixed roller through a limiting assembly; a first roller is arranged above the active roller, a second roller is arranged in the middle and lower part of the pair of side plates, and the active roller, the first roller and the second roller are synchronously rotated and connected through a conveying assembly. The invention not only facilitates and enhances the firmness of cotton stalk clamping during cotton stalk pulling, but also improves the working efficiency of cotton stalk pulling, and facilitates the harvesting of cotton stalks after stalk pulling.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, and in particular to a cotton stalk pulling and harvesting machine. Background Art

[0002] China Invention discloses a cotton stalk puller (publication number: CN101444161B), which belongs to the technical field of agricultural machinery. It consists of a frame, a driving box, a transmission shaft, a transfer case, a cotton stalk pulling device and a cotton stalk conveying device. The driving box is installed in the middle part of the frame, and a transmission shaft is installed on it; a transfer case is installed at one end of the transmission shaft, and the cotton stalk pulling device is installed on the mounting and adjusting arm of the frame. The cotton stalk conveying device is installed on the upper part of the frame and is connected to the transmission shaft through the transfer case.

[0003] The existing cotton stalk pulling devices have the following disadvantages: 1. During the cotton stalk pulling process, the stability of the cotton stalk clamping cannot be guaranteed, and the problem of cotton stalk leakage is easy to occur, requiring manual secondary stalk pulling operations, which increases the labor burden of workers; 2. When traditional machines are used for stalk pulling, the cotton stalks are easy to pile up together, causing the cotton stalks to block the normal operation of the machine, seriously affecting the work efficiency of cotton stalk pulling. Summary of the invention

[0004] The purpose of the invention is to solve the shortcomings of the prior art that cotton stalks are not firmly fixed and cotton stalks are easy to pile up, and to propose a cotton stalk pulling and harvesting machine.

[0005] In order to solve the problems in the prior art that cotton stalks are not firmly fixed and cotton stalks are easy to pile up, the present invention adopts the following technical solutions:

[0006] A cotton stalk pulling and harvesting machine comprises a pair of side plates, a fixed roller shaft is arranged between the front ends of the pair of side plates, both ends of the fixed roller shaft are fixedly connected to the front ends of the pair of side plates, a concentrically arranged hollow cylinder is sleeved on the fixed roller shaft, an active roller shaft is arranged between the rear ends of the pair of side plates, both ends of the active roller shaft are rotatably connected to the rear ends of the pair of side plates, and the active roller shaft is synchronously rotatably connected to the hollow cylinder through a driving assembly;

[0007] A plurality of rectangular through holes are provided on the outer surface of the hollow cylinder, a rectangular slide rod is inserted into each of the rectangular through holes, a pair of hinge plates are provided on both sides of the outer end of each rectangular slide rod, a clamping block is provided in the outer ports of the opposite surfaces of each pair of hinge plates, and the inner ends of the plurality of rectangular slide rods are connected to the fixed roller shaft through a limit assembly;

[0008] A first roller is provided above the active roller, and both ends of the first roller are rotatably connected to a pair of side plates. A second roller is provided in the middle and lower part of the pair of side plates, and both ends of the second roller are rotatably connected to the pair of side plates. The active roller, the first roller and the second roller are synchronously rotatably connected through a conveying assembly.

[0009] Preferably, a pair of flange rings are provided in the two ports of the hollow cylinder, a pair of rotating cylinders are sleeved on the two ends of the fixed roller shaft, and flange plates are sleeved on the opposite inner ends of the pair of rotating cylinders. A plurality of flange bolts are inserted into the flange holes on the outer surface of each flange plate, and the inner end of each flange bolt is threadedly locked with the flange hole on the corresponding flange ring.

[0010] Preferably, the driving assembly includes a driving chain belt, a pair of the rotating drums are provided with driven sprockets on their opposite outer ends, both ends of the active roller shafts are provided with driving sprockets, and a pair of driving chain belts are provided on the opposite surfaces of a pair of side plates, and both ends of each driving chain belt are respectively provided on the corresponding driving sprocket and driven sprocket for meshing transmission connection.

[0011] Preferably, a servo motor is provided at the rear end of the top surface of the side panel on the right side, a driving pulley is sleeved on the end of the motor shaft of the servo motor, the right end of the driving roller shaft extends to the outside of the corresponding side panel, and a driven pulley is sleeved on the rightmost end of the driving roller shaft, a driving belt is provided between the driving pulley and the driven pulley, and both ends of the driving belt are respectively sleeved on the driving pulley and the driven pulley for transmission connection.

[0012] Preferably, the bottom end of the hinged plate is U-shaped and has an opening, the bottom end of the hinged plate is sleeved on the double-ear seat, and the bottom end of the hinged plate is fixedly connected to the two ends of the fixed pin shaft, the top end of the hinged plate is U-shaped and has a channel steel shape, the clamping block is fitted in the top end of the hinged plate, and a pair of limiting bolts are inserted on the back of the top end of the hinged plate, and the inner end of each limiting bolt is threadedly locked with the corresponding clamping block.

[0013] Preferably, the limit assembly comprises a limit plate and a fixed plate, the inner end of the rectangular slide bar is provided with a limit plate, and the two ends of the outer side of the limit plate are provided with a pair of tension springs, the pair of tension springs are arranged on both sides of the rectangular slide bar, and the other end of each tension spring is fixedly connected to the inner wall of the hollow cylinder;

[0014] A limiting flange is provided in the middle of the inner side surface of the limiting plate, a plurality of fixing disks are sleeved on the fixed roller shaft, a pair of fixing protrusions are provided on both sides of the fixing disk, and the outer edge of each limiting flange is slidably pressed against the outer annular surface of the fixing disk and the fixing protrusion.

[0015] Preferably, a first ear seat is provided at the rear end of the top surface of each side panel, and the two ends of the first roller shaft are inserted into the corresponding first ear seat and are rotatably connected; a second ear seat is provided at the middle part of the bottom surface of each side panel, and the two ends of the second roller shaft are inserted into the corresponding second ear seat and are rotatably connected.

[0016] Preferably, the conveying assembly includes a conveyor belt, an active roller is sleeved on the middle part of the active roller shaft, a first roller is sleeved on the middle part of the first roller shaft, a second roller is sleeved on the middle part of the second roller shaft, a conveyor belt is provided between the active roller, the first roller and the second roller, and the conveyor belt is sequentially sleeved on the active roller, the first roller and the second roller and is transmission-connected.

[0017] Preferably, a pair of side panels are provided with rectangular sleeves on both sides of the opposite back surfaces, a rectangular leg is inserted in each of the rectangular sleeves, a wheel axle is inserted in the bottom end of each of the rectangular legs, a roller is sleeved on the outer end of each of the wheel axles, a plurality of positioning bolt holes are opened on each of the rectangular legs, a positioning bolt is inserted in the middle of the rectangular sleeve, and the inner end of each of the positioning bolts is inserted in the corresponding positioning bolt hole.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, by using the limit assembly in coordination, each pair of hinged plates and clamping blocks are hinged to open or close, and cotton stalks of different diameters and thicknesses can be clamped and fixed, thereby enhancing the firmness of cotton stalk clamping during cotton stalk pulling, reducing the phenomenon of missing, wrong and unpulling cotton stalks, and thus improving the work efficiency of cotton stalk pulling;

[0020] 2. In the present invention, through the coordinated use of the conveying assembly, the conveyor belt rotates synchronously during the cotton stalk pulling process, and the cotton falls onto the conveyor belt immediately after the cotton stalk is pulled out and is transported backward, thereby avoiding the problem of accumulation during cotton stalk pulling that affects the normal operation of the machine, and improving the harvesting effect after cotton stalk pulling;

[0021] In summary, the present invention solves the problems of loose fixation of cotton stalks and easy accumulation of cotton stalks, and the overall structural design is compact, which not only facilitates the enhancement of the firmness of cotton stalk clamping during cotton stalk pulling, but also improves the work efficiency of cotton stalk pulling and facilitates the harvesting of cotton stalks after pulling. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1It is a schematic diagram of the main structure of the present invention;

[0024] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the present invention (excluding hollow cylinder and conveyor belt);

[0026] Figure 4 It is a right-side structural cutaway schematic diagram of the present invention;

[0027] Figure 5 It is a schematic diagram of a top view of the structure of the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the limit assembly of the present invention;

[0029] Serial numbers in the figure: 1, side plate; 11, fixed roller; 12, hollow cylinder; 13, flange ring; 14, flange plate; 15, rotating drum; 16, fixed plate; 17, fixed protrusion; 2, rectangular slide bar; 21, rack; 22, double ear seat; 23, gear; 24, hinge plate; 25, clamping block; 26, limit plate; 27, tension spring; 28, limit flange; 3, active roller; 31, active sprocket; 32, driven sprocket; 33, driving chain belt; 34, servo motor; 35, driving belt; 36, rectangular sleeve; 37, rectangular support leg; 38, roller; 4, active roller; 41, first ear seat; 42, first roller; 43, first roller; 44, second ear seat; 45, second roller; 46, second roller; 47, conveyor belt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Embodiment 1: This embodiment provides a cotton stalk pulling and harvesting machine, see Figure 1-6 Specifically, it includes a pair of side plates 1, which are in the shape of elliptical long plates placed in parallel in the longitudinal direction, a transversely fixed fixed roller shaft 11 is arranged between the front ends of the opposite faces of the pair of side plates 1, both ends of the fixed roller shaft 11 are fixedly connected to the front ends of the pair of side plates 1, a concentrically arranged hollow cylinder 12 is sleeved on the fixed roller shaft 11, a transversely rotatably connected active roller shaft 3 is arranged between the rear ends of the opposite faces of the pair of side plates 1, both ends of the active roller shaft 3 are rotatably connected to the rear ends of the pair of side plates 1, and the active roller shaft 3 is synchronously rotatably connected to the hollow cylinder 12 through a driving component;

[0032] The outer surface of the hollow cylinder 12 is provided with a plurality of evenly arranged rectangular through holes, each of which is inserted with a rectangular slide bar 2 that slides through it, and a pair of symmetrically arranged hinge plates 24 are provided on both sides of the outer end of each rectangular slide bar 2, and symmetrically arranged clamping blocks 25 are provided in the outer ports of the opposite surfaces of each pair of hinge plates 24, and the inner ends of the plurality of rectangular slide bars 2 are connected to the fixed roller shaft 11 through a limit assembly;

[0033] A first roller 42 placed in parallel is provided above the active roller 3, and both ends of the first roller 42 are rotatably connected to a pair of side plates 1. A fixedly connected first ear seat 41 is provided at the rear end of the top surface of each side plate 1, and both ends of the first roller 42 are inserted into the corresponding first ear seat 41 and are rotatably connected; a transversely placed second roller 45 is provided at the middle and lower part of the pair of side plates 1, and both ends of the second roller 45 are rotatably connected to the pair of side plates 1, and a fixedly connected second ear seat 44 is provided in the middle of the bottom surface of each side plate 1, and both ends of the second roller 45 are inserted into the corresponding second ear seat 44 and are rotatably connected; the active roller 3, the first roller 42, and the second roller 45 are synchronously rotatably connected through a conveying assembly.

[0034] like Figure 1 and Figure 3 As shown, in the specific implementation process, a pair of concentrically fixed flange rings 13 are arranged in the two ends of the hollow cylinder 12, a pair of rotatably connected rotating cylinders 15 are sleeved on the two ends of the fixed roller shaft 11, and the opposite inner ends of the pair of rotating cylinders 15 are sleeved with concentrically fixed flange plates 14, and the flange holes on the outer surface of each flange plate 14 are inserted with a plurality of threaded flange bolts, and the inner end of each flange bolt is threadedly locked with the flange hole on the corresponding flange ring 13;

[0035] By adopting the above technical solution, the flange plate 14 and the flange ring 13 can be disassembled by flange bolts, thereby facilitating the disassembly of the hollow cylinder 12 and facilitating the later inspection and maintenance of the inner wall of the hollow cylinder 12.

[0036] like Figure 2 and Figure 5 As shown, in the specific implementation process, the driving assembly includes a driving chain belt 33, a pair of rotating drums 15 are sleeved with concentrically fixed driven sprockets 32 at the opposite outer ends, and the two ends of the driving roller shaft 3 are sleeved with concentrically fixed driving sprockets 31, and a pair of symmetrical and parallel driving chain belts 33 are provided on the opposite surfaces of a pair of side plates 1, and the two ends of each driving chain belt 33 are respectively sleeved on the corresponding driving sprocket 31 and the driven sprocket 32 ​​and meshed and connected;

[0037] By adopting the above technical solution, when the active roller 3 rotates, it drives a pair of active sprockets 31 to rotate synchronously. The active sprocket 31 drives the driven sprocket 32, the rotating drum 15, the flange 14, the flange ring 13 and the hollow cylinder 12 to rotate along the fixed roller 11 through the driving chain belt 33. The fixed roller 11 and several fixed plates 16 remain fixed, thereby facilitating the coordinated operation of the hollow cylinder 12.

[0038] like Figure 5 and Figure 6 As shown, in the specific implementation process, the bottom end of the hinged plate 24 is a U-shaped opening, the bottom end of the hinged plate 24 is sleeved on the double-ear seat 22, and the bottom end of the hinged plate 24 is fixedly connected to the two ends of the fixed pin shaft, the top end of the hinged plate 24 is a U-shaped channel steel, the clamping block 25 is matched and engaged in the top end of the hinged plate 24, and a pair of spirally penetrating limit bolts are inserted on the back of the top end of the hinged plate 24, and the inner end of each limit bolt is threadedly locked with the corresponding clamping block 25;

[0039] By adopting the above technical solution, as the machine is used for a long time, the clamping block 25 will be worn. The clamping block 25 is connected to the hinge plate 24 by means of a snap-fit ​​method and limit bolts, thereby facilitating the disassembly and replacement of the clamping block 25.

[0040] like Figure 3 and Figure 5 As shown, in the specific implementation process, the limit assembly includes a limit plate 26 and a fixed plate 16. The inner end of the rectangular slide bar 2 is provided with a fixedly connected limit plate 26. The two ends of the outer side of the limit plate 26 are provided with a pair of symmetrically arranged tension springs 27. The pair of tension springs 27 are arranged on both sides of the rectangular slide bar 2. The other end of each tension spring 27 is fixedly connected to the inner wall of the hollow cylinder 12.

[0041] A limiting flange 28 is provided at the middle of the inner side of the limiting plate 26. A plurality of equally spaced fixed disks 16 are sleeved on the fixed roller shaft 11. A pair of fixed protrusions 17 are provided on both sides of the fixed disk 16. The outer edge of each limiting flange 28 is slidably pressed against the outer annular surface of the fixed disk 16 and the fixed protrusion 17.

[0042] By adopting the above technical solution, when the hollow cylinder 12 rotates, it drives a plurality of rectangular slide bars 2 and the limiting flanges 28 to rotate along the fixed plate 16 and the fixed protrusion 17, and the hollow cylinder 12 rotates forward synchronously, encountering the front hinged plate 24 and the clamping block 25 of the cotton stalk in the open state, and then clamps the cotton stalk, drives the cotton stalk to be lifted backward and rotated, and then drives the cotton stalk to be placed on the conveyor belt 47, releases the clamping of the cotton stalk, and the cotton stalk falls onto the conveyor belt 47 and is transported backward.

[0043] It should be noted that: in this embodiment, a servo motor 34 with an output end facing outward is provided at the rear end of the top surface of the side plate 1 on the right side, and the model of the servo motor 34 is ECMA-E21320SS. The motor shaft end of the servo motor 34 is sleeved with a concentrically fixed driving pulley, the right end of the driving roller shaft 3 extends to the outside of the corresponding side plate 1, and the rightmost end of the driving roller shaft 3 is sleeved with a concentrically fixed driven pulley, and an obliquely placed driving belt 35 is provided between the driving pulley and the driven pulley, and the two ends of the driving belt 35 are respectively sleeved on the driving pulley and the driven pulley for transmission connection;

[0044] By adopting the above technical solution, the motor shaft of the servo motor 34 drives the active pulley to rotate synchronously, and the active pulley drives the driven pulley and the active roller shaft 3 to rotate through the driving belt 35, which facilitates the driving rotation of the active roller shaft 3 through the servo motor 34.

[0045] Embodiment 2: In embodiment 1, there is still a problem that the cotton stalks are not firmly clamped and are easy to fall off when pulling out the stalks. Therefore, based on embodiment 1, this embodiment also includes:

[0046] In the specific implementation process, Figure 5 and Figure 6 As shown, a pair of symmetrically arranged double-ear seats 22 are provided on both sides of the rectangular through hole, the bottoms of the pair of double-ear seats 22 are fixedly connected to the outer surface of the hollow cylinder 12, and a fixed pin shaft penetrating and rotatably connected is provided in the opening of each double-ear seat 22, and a concentrically fixed gear 23 is sleeved in the middle of each fixed pin shaft, and a pair of symmetrically arranged racks 21 are provided along the edges of both sides of the rectangular slide bar 2, and each rack 21 is matched and meshed with the corresponding gear 23;

[0047] By adopting the above technical solution, when the rectangular slide bar 2 and the rack 21 slide outward along the rectangular through hole, the gear 23, the fixed pin shaft and the hinge plate 24 are driven to swing outward by the outward meshing of the rack 21, so that each pair of hinge plates 24 and the clamping block 25 are relatively in an open state;

[0048] When the rectangular slide bar 2 and the rack 21 slide inwardly along the rectangular through hole, the gear 23, the fixed pin shaft and the hinge plate 24 are driven to swing inwardly through the inward meshing of the rack 21, so that each pair of hinge plates 24 and the clamping block 25 are relatively in a closed state.

[0049] Embodiment 3: In Embodiment 1, there is still the problem that the cotton stalks are inconvenient to transport after being pulled out. Therefore, based on Embodiment 1, this embodiment further includes:

[0050] In the specific implementation process, Figure 3 and Figure 4As shown, the conveying assembly includes a conveyor belt 47, a concentrically fixed active roller 4 is sleeved on the middle of the active roller shaft 3, a concentrically fixed first roller 43 is sleeved on the middle of the first roller shaft 42, a concentrically fixed second roller 46 is sleeved on the middle of the second roller shaft 45, a triangular slope-shaped conveyor belt 47 is provided between the active roller 4, the first roller 43, and the second roller 46, and the conveyor belt 47 is sleeved on the active roller 4, the first roller 43, and the second roller 46 in sequence and is transmission-connected;

[0051] By adopting the above technical solution, when the active roller shaft 3 rotates, it drives the active roller 4 to rotate synchronously. The active roller 4 drives the first roller 43, the first roller shaft 42, the second roller 46 and the second roller shaft 45 to rotate through the conveyor belt 47, and transports them backwards through the conveyor belt 47, thereby facilitating the harvesting and transportation of the cotton stalks after pulling out the stalks.

[0052] Embodiment 4: In Embodiment 1, there is still a problem that the heights of the cotton field ridges are different and the machine is not convenient for height adjustment. Therefore, based on Embodiment 1, this embodiment further includes:

[0053] In the specific implementation process, Figure 1 and Figure 3 As shown, a pair of side plates 1 are provided with rectangular sleeves 36 on both sides of the opposite back surfaces, each rectangular sleeve 36 is inserted with a slidingly connected rectangular leg 37, the bottom end of each rectangular leg 37 is inserted with a rotatably connected wheel axle, the outer end of each wheel axle is sleeved with a concentrically fixed roller 38, each rectangular leg 37 is provided with a plurality of positioning bolt holes, a spirally penetrating positioning bolt is inserted in the middle of the rectangular sleeve 36, and the inner end of each positioning bolt is inserted in the corresponding positioning bolt hole;

[0054] By adopting the above technical solution, the height of the rectangular leg 37 in the rectangular sleeve 36 can be adjusted according to the height of the cotton field ridge and the depth of the ridge furrow, so that the front end of a pair of side plates 1 is low and the rear end is relatively high, and they are locked and fixed by positioning bolts, thereby facilitating the adjustment of the height of the machine.

[0055] Embodiment 5: Specifically, the working principle and operation method of the present invention are as follows:

[0056] Step 1: According to the height of the cotton field ridge and the depth of the ridge furrow, the height of the rectangular legs 37 in the rectangular sleeve 36 is adjusted so that the front end of the pair of side plates 1 is low and the rear end is high, and the side plates 1 are locked and fixed by positioning bolts; the rear end of the pair of side plates 1 can be connected to the agricultural machinery by means of an external frame, and the agricultural machinery is used to push the machine to perform cotton stalk pulling and harvesting operations;

[0057] Step 2, start the servo motor 34, the motor shaft of the servo motor 34 drives the active pulley to rotate synchronously, and the active pulley drives the driven pulley and the active roller shaft 3 to rotate through the driving belt 35; when the active roller shaft 3 rotates, it drives the active roller 4 to rotate synchronously, and the active roller 4 drives the first roller 43, the first roller shaft 42, the second roller 46 and the second roller shaft 45 to rotate through the conveyor belt 47, and transports backward through the conveyor belt 47;

[0058] Step 3: When the active roller 3 rotates, it drives a pair of active sprockets 31 to rotate synchronously. The active sprocket 31 drives the driven sprocket 32, the rotating drum 15, the flange 14, the flange ring 13 and the hollow cylinder 12 to rotate along the fixed roller 11 through the driving chain belt 33. The fixed roller 11 and the plurality of fixed plates 16 remain fixed;

[0059] Step 4: When the hollow cylinder 12 rotates, it drives the rectangular slide bars 2 and the limiting flanges 28 to rotate along the fixing plate 16 and the fixing protrusions 17;

[0060] When the limiting flange 28 slides against the fixed protrusion 17, the rectangular slide bar 2 is driven to slide outward along the rectangular through hole, and the tension spring 27 is compressed and deformed through the limiting plate 26, and the gear 23, the fixed pin shaft and the hinge plate 24 are driven to swing outward through the outward meshing of the rack 21, so that each pair of hinge plates 24 and the clamping block 25 are relatively in an open state;

[0061] When the limiting flange 28 slides against the outer ring surface of the fixed plate 16, under the tension of the tension spring 27, the rectangular slide bar 2 is driven to slide inward along the rectangular slide hole, and the gear 23, the fixed pin shaft and the hinge plate 24 are driven to swing inward through the inward meshing of the rack 21, so that each pair of hinge plates 24 and the clamping block 25 are relatively in a closed state;

[0062] Step five, when the machine moves forward along the ridge of the cotton field, the hollow cylinder 12 rotates forward synchronously, encounters the hinged plate 24 and the clamping block 25 in front of the cotton stalk in the open state, then clamps the cotton stalk, drives the cotton stalk to be lifted backward and rotated, and then drives the cotton stalk to be placed on the conveyor belt 47, releases the clamping of the cotton stalk, and the cotton stalk falls onto the conveyor belt 47 and is transported backward.

[0063] The present invention solves the problems of loose fixation of cotton stalks and easy accumulation of cotton stalks, and the overall structural design is compact, which not only facilitates the strengthening of the clamping of the cotton stalks during the cotton stalk pulling process, but also improves the working efficiency of the cotton stalk pulling and facilitates the harvesting of the cotton stalks after pulling.

[0064] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cotton stalk pulling and harvesting machine, comprising a pair of side plates (1), characterized in that: A fixed roller shaft (11) is provided between the front ends of the opposite faces of the pair of side plates (1), both ends of the fixed roller shaft (11) are fixedly connected to the front ends of the pair of side plates (1), a concentrically arranged hollow cylinder (12) is sleeved on the fixed roller shaft (11), an active roller shaft (3) is provided between the rear ends of the opposite faces of the pair of side plates (1), both ends of the active roller shaft (3) are rotatably connected to the rear ends of the pair of side plates (1), and the active roller shaft (3) is synchronously rotatably connected to the hollow cylinder (12) via a driving assembly; A plurality of rectangular through holes are formed on the outer surface of the hollow cylinder (12), a rectangular slide bar (2) is inserted into each of the rectangular through holes, a pair of hinge plates (24) are provided on both sides of the outer end of each rectangular slide bar (2), a clamping block (25) is provided in the outer ports of the opposite surfaces of each pair of hinge plates (24), and the inner ends of the plurality of rectangular slide bars (2) are connected to the fixed roller shaft (11) through a limit assembly; A pair of symmetrically arranged double-ear seats (22) are provided on both sides of the rectangular through hole, the bottoms of the pair of double-ear seats (22) are fixedly connected to the outer surface of the hollow cylinder (12), a fixed pin shaft is provided in the opening of each double-ear seat (22) and is rotatably connected thereto, a concentrically fixed gear (23) is sleeved on the middle part of each fixed pin shaft, a pair of symmetrically arranged racks (21) are provided along the edges of both sides of the rectangular slide bar (2), and each rack (21) is meshed and connected with a corresponding gear (23); The limiting assembly comprises a limiting plate (26) and a fixing plate (16); the inner end of the rectangular slide bar (2) is provided with a limiting plate (26); the outer side surfaces of the limiting plate (26) are provided with a pair of tension springs (27); the pair of tension springs (27) are arranged on both sides of the rectangular slide bar (2); the other end of each tension spring (27) is fixedly connected to the inner wall of the hollow cylinder (12); A limiting flange (28) is provided at the middle of the inner side surface of the limiting plate (26); a plurality of fixing disks (16) are sleeved on the fixed roller shaft (11); a pair of fixing protrusions (17) are provided on both sides of the fixing disk (16); and the outer edge of each limiting flange (28) is slidably pressed against the outer annular surface of the fixing disk (16) and the fixing protrusion (17); A first roller (42) is provided above the active roller (3), and both ends of the first roller (42) are rotatably connected to a pair of side plates (1). A second roller (45) is provided at the middle and lower part of the pair of side plates (1), and both ends of the second roller (45) are rotatably connected to the pair of side plates (1). The active roller (3), the first roller (42), and the second roller (45) are rotatably connected to each other via a conveying assembly.

2. A cotton stalk pulling and harvesting machine according to claim 1, characterized in that: A pair of flange rings (13) are provided in the two ends of the hollow cylinder (12), a pair of rotating cylinders (15) are sleeved on the two ends of the fixed roller shaft (11), and flange plates (14) are sleeved on the opposite inner ends of the pair of rotating cylinders (15), and a plurality of flange bolts are inserted into the flange holes on the outer surface of each flange plate (14), and the inner end of each flange bolt is threadedly locked with the flange hole on the corresponding flange ring (13).

3. A cotton stalk pulling and harvesting machine according to claim 2, characterized in that: The driving assembly comprises a driving chain belt (33), a pair of the rotating drums (15) are sleeved with driven sprockets (32) at opposite outer ends, the driving roller shaft (3) is sleeved with driving sprockets (31) at both ends, and a pair of driving chain belts (33) are provided on opposite surfaces of a pair of side plates (1), and both ends of each driving chain belt (33) are sleeved on the corresponding driving sprocket (31) and driven sprocket (32) and are meshed and connected.

4. The cotton stalk pulling and harvesting machine according to claim 1, characterized in that: in, A servo motor (34) is provided at the rear end of the top surface of the side plate (1) located on the right side, and a driving pulley is sleeved on the end of the motor shaft of the servo motor (34). The right end of the driving roller shaft (3) extends to the outside of the corresponding side plate (1), and a driven pulley is sleeved on the rightmost end of the driving roller shaft (3). A driving belt (35) is provided between the driving pulley and the driven pulley, and both ends of the driving belt (35) are respectively sleeved on the driving pulley and the driven pulley for transmission connection.

5. The cotton stalk pulling and harvesting machine according to claim 1, characterized in that: The bottom end of the hinged plate (24) is in a U-shaped opening shape. The bottom end of the hinged plate (24) is sleeved on the double-ear seat (22), and the bottom end of the hinged plate (24) is fixedly connected to the two ends of the fixed pin shaft. The top end of the hinged plate (24) is in a U-shaped channel steel shape. The clamping block (25) is fitted and engaged in the top end of the hinged plate (24). A pair of limiting bolts are inserted on the back of the top end of the hinged plate (24), and the inner end of each limiting bolt is threadedly locked with the corresponding clamping block (25).

6. The cotton stalk pulling and harvesting machine according to claim 1, characterized in that: A first ear seat (41) is provided at the rear end of the top surface of each side plate (1), and the two ends of the first roller shaft (42) are inserted into the corresponding first ear seat (41) and are rotatably connected; a second ear seat (44) is provided at the middle of the bottom surface of each side plate (1), and the two ends of the second roller shaft (45) are inserted into the corresponding second ear seat (44) and are rotatably connected.

7. The cotton stalk pulling and harvesting machine according to claim 1, characterized in that: The conveying assembly comprises a conveyor belt (47), a driving roller (4) is sleeved on the middle of the driving roller shaft (3), a first roller (43) is sleeved on the middle of the first roller shaft (42), a second roller (46) is sleeved on the middle of the second roller shaft (45), a conveyor belt (47) is arranged between the driving roller (4), the first roller (43) and the second roller (46), and the conveyor belt (47) is sleeved on the driving roller (4), the first roller (43) and the second roller (46) in sequence and is transmission-connected thereto.

8. The cotton stalk pulling and harvesting machine according to claim 1, characterized in that: A pair of side plates (1) are provided with rectangular sleeves (36) on both sides of the opposite back surfaces, each of the rectangular sleeves (36) is inserted with a rectangular leg (37), a wheel axle is inserted into the bottom end of each rectangular leg (37), a roller (38) is sleeved on the outer end of each wheel axle, each of the rectangular legs (37) is provided with a plurality of positioning bolt holes, a positioning bolt is inserted into the middle of the rectangular sleeve (36), and the inner end of each positioning bolt is inserted into the corresponding positioning bolt hole.

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