Straw smashing device of single-row corn harvester

Abstract

The utility model discloses a straw smashing device of a single-row corn harvester, and belongs to the technical field of agricultural machinery. The device mainly comprises a transmission shaft, the position, close to the middle, of the transmission shaft is fixedly connected with a middle fixing plate, the two sides of the middle fixing plate are each provided with at least one shaft end fixing plate fixedly connected with the transmission shaft, and at least one detachable cutter penetrating shaft is arranged between each shaft end fixing plate and the middle fixing plate and between every two adjacent shaft end fixing plates. The adjacent cutter penetrating shafts in the horizontal direction are arranged in a staggered mode, each cutter penetrating shaft is rotationally connected with a plurality of bent cutter blades, and the tail portions of the bent cutter blades are arranged in an inclined mode towards one side. According to the utility model, a long penetrating cutter shaft is changed into a short penetrating cutter shaft, the middle fixing plate is designed into a cross-shaped plate, and the shaft end fixing plate is designed into a linear plate, so that the bent blades can be quickly replaced on the premise of not disassembling the whole crushing device, and the maintenance efficiency of the device is improved. The single-row corn harvester is mainly used for single-row corn harvesters.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of agricultural machinery, more particularly, relates to a single row corn harvester straw smashing device. BACKGROUND

[0002] The straw smashing device structures of the existing self-propelled single row corn harvester are similar, such as the smashing device disclosed in the patent figure 5 with the announcement number "CN212413869U", three iron plates with symmetrical holes at both ends are welded on the transmission shaft, two knife shafts pass through the holes at both ends of the three iron plates, at the same time, the knife shafts respectively pass into the smashing blades, and the straw smashing operation is carried out by the smashing blades during use. Since the smashing blades are vulnerable parts, the corn harvester needs to be replaced after a period of use, and the smashing blades are worn on the long knife shaft, and the smashing mechanism is arranged in the frame, so that the knife shaft is difficult to be taken off from the smashing frame, and when the blades are replaced, the whole smashing mechanism has to be disassembled from the frame, and then the blades are replaced, so that the whole process is time-consuming and laborious, and the working efficiency is seriously affected. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problems that the prior art is improved, and provides a single row corn harvester straw smashing device, which changes the long knife shaft into a short knife shaft, the middle fixed plate is designed into a "cross" plate, and the shaft end fixed plate is designed into a "one" plate, so that the curved blades can be quickly replaced without disassembling the whole smashing device, and the efficiency of device maintenance is improved.

[0004] The single row corn harvester straw smashing device, comprising a transmission shaft, a middle fixed plate is fixedly connected to the position close to the middle of the transmission shaft, at least one shaft end fixed plate fixedly connected with the transmission shaft is arranged on the both sides of the middle fixed plate, at least one detachable knife shaft is arranged between the shaft end fixed plate and the middle fixed plate and between adjacent shaft end fixed plates, and the adjacent knife shafts are staggered in the horizontal direction, a plurality of curved blades are rotatably connected to each knife shaft, and the tail of the curved blade is inclined to one side.

[0005] Preferably, two or more knife shafts are installed on each shaft end fixed plate, and the tail inclination directions of the curved blades in the adjacent knife shafts on the same shaft end fixed plate are opposite.

[0006] Preferably, the middle fixed plate is a "cross" plate, the shaft end fixed plate is a "one" plate, the shaft end fixed plate includes a shaft end fixed plate one and a shaft end fixed plate two, and the transmission shaft passes through the centers of the shaft end fixed plate one, the middle fixed plate and the shaft end fixed plate two in sequence.

[0007] Preferably, the shaft end fixing plate one and the shaft end fixing plate two are vertically arranged, the shaft end fixing plate one is provided with a cutter shaft hole one at positions close to two ends respectively, the shaft end fixing plate two is provided with a cutter shaft hole two at positions close to two ends respectively, and the middle fixing plate is provided with an assembly hole one corresponding to the cutter shaft hole one and an assembly hole two corresponding to the cutter shaft hole two at four corners away from the center respectively.

[0008] Preferably, a long spacer sleeve is arranged between adjacent curved blades in each cutter shaft, a short spacer sleeve is arranged between the middle fixing plate and the adjacent curved blade, and a gasket is arranged between the shaft end fixing plate one or the shaft end fixing plate two and the adjacent curved blade, the gasket, the long spacer sleeve and the short spacer sleeve are respectively sleeved on the outer side wall of the cutter shaft.

[0009] Preferably, one end of the cutter shaft passes through the middle fixing plate, the other end of the cutter shaft passes through the shaft end fixing plate one or the shaft end fixing plate two, and the two ends of the cutter shaft are fixed by a pin shaft.

[0010] Preferably, the shaft end fixing plate and the middle fixing plate are arranged on the transmission shaft in parallel, and the distance between the shaft end fixing plate and the middle fixing plate and the distance between adjacent shaft end fixing plates are equal.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The utility model discloses a long cutter shaft is changed into a short cutter shaft, and the middle fixing plate is designed as a "ten" cross plate, the shaft end fixing plate is designed as a "one" character plate, and the shaft end fixing plate on the two sides of the middle fixing plate is vertically arranged, when the curved blade is replaced, the cutter shaft is drawn out to the side away from the shaft end fixing plate, which saves time and effort, at this time, the moving side is not blocked, realizes under the premise of not disassembling the whole crushing device, can also replace the curved blade quickly, and the curved blade is convenient, quick, and the device maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the cooperation schematic diagram of the shaft end fixing plate one, the middle fixing plate and the shaft end fixing plate two and the transmission shaft;

[0015] Figure 3 It is the use state reference drawing of the utility model.

[0016] In the drawing, 1, transmission shaft;2, shaft end fixing plate one;201, cutter shaft hole one;3, middle fixing plate;301, assembly hole one;302, assembly hole two;4, shaft end fixing plate two;401, cutter shaft hole two;5, curved blade;6, cutter shaft;601, gasket;602, long spacer sleeve;603, short spacer sleeve;7, rack;8, bearing seat. DETAILED DESCRIPTION

[0017] The utility model will be described further in connection with the drawings:

[0018] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions recorded in the present application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms such as "setting", "mounting", "connecting" should be understood broadly, and for the person skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0019] Example one:

[0020] A kind of single row corn harvester straw pulverizing device, including transmission shaft 1, transmission shaft 1 is used to support pulverizing cutter, and under the action of driving mechanism, it drives pulverizing cutter high-speed rotation. Transmission shaft 1 is fixedly connected with middle fixed plate 3 near the position of middle, and one side or both sides of middle fixed plate 3 are respectively provided with multiple shaft end fixed plate fixedly connected with transmission shaft 1, one or more detachable knife shafts 6 are respectively arranged between shaft end fixed plate and middle fixed plate 3 and adjacent shaft end fixed plate, and adjacent knife shafts 6 are staggered in horizontal direction, multiple curved blades 5 are rotatably connected on each knife shaft 6, and the tail of curved blade 5 is inclined to one side, i.e. the tail of curved blade 5 is provided with bending. When two or more than two knife shafts 6 are installed on the shaft end fixed plate, the inclined direction of the tail bending of curved blade 5 in adjacent knife shaft 6 on the same shaft end fixed plate is opposite.

[0021] When processing, the horizontal direction is provided with the gap corresponding to the knife shaft 6 on the shaft end fixed plate adjacent to the knife shaft 6. The present embodiment changes the long knife shaft in the prior art into multiple short knife shafts, when a certain curved blade 5 is damaged, only the corresponding short knife shaft is disassembled, which greatly improves the maintenance efficiency.

[0022] Example two:

[0023] As shown in Figures 1 to 3 A kind of single row corn harvester straw pulverizing device, both sides of middle fixed plate 3 are provided with one shaft end fixed plate, two shaft end fixed plates are respectively recorded as shaft end fixed plate one 2 and shaft end fixed plate two 4, shaft end fixed plate one 2, middle fixed plate 3 and shaft end fixed plate two 4 are parallelly and perpendicularly arranged on transmission shaft 1, and the distance between shaft end fixed plate one 2 and shaft end fixed plate two 4 and middle fixed plate 3 is equal, the length of all knife shafts 6 is equal when subsequently installed, and the component versatility is strong, installation and use are more convenient.

[0024] As shown in Figure 2As shown, the shaft end fixing plate one 2 and the shaft end fixing plate two 4 are respectively provided with one or more detachable knife shafts 6 between the middle fixing plate 3, in the embodiment, the middle fixing plate 3 is a "cross" plate, the shaft end fixing plate one 2 and the shaft end fixing plate two 4 are both "one" plate, and the transmission shaft 1 passes through the center of the shaft end fixing plate one 2, the middle fixing plate 3 and the shaft end fixing plate two 4 in turn. The shaft end fixing plate one 2 and the shaft end fixing plate two 4 are vertically arranged, the vertical cross plate in the middle fixing plate 3 is arranged in parallel with the shaft end fixing plate one 2 and the shaft end fixing plate two 4, the shaft end fixing plate one 2 is provided with a knife shaft hole one 201 at the position close to both ends, the shaft end fixing plate two 4 is provided with a knife shaft hole two 401 at the position close to both ends, and the middle fixing plate 3 is provided with an assembly hole one 301 corresponding to the knife shaft hole one 201 and an assembly hole two 302 corresponding to the knife shaft hole two 401 at the four corners away from the center. The two ends of the knife shaft 6 are supported and fixed through the corresponding knife shaft hole one 201 and the assembly hole one 301, the corresponding knife shaft hole two 401 and the assembly hole two 302, and the bending blade 5 at the end of the opposite two knife shafts 6 on the shaft end fixing plate one 2, the shaft end fixing plate two 4 or the middle fixing plate 3 is opposite in bending direction.

[0025] In the embodiment, the shaft end fixing plate is designed as a "one" plate, and the shaft end fixing plates on both sides of the middle fixing plate 3 are vertically arranged, so that when the bending blade 5 is replaced, the knife shaft 6 can be pulled out away from the shaft end fixing plate, at this time, the moving side is not blocked, and the bending blade 5 can be quickly replaced without disassembling the whole crushing device, thereby greatly improving the maintenance efficiency.

[0026] As shown in the figure, Figure 1 The long spacer sleeve 602 is arranged between the adjacent bending blades 5 in each knife shaft 6, the short spacer sleeve 603 is arranged between the middle fixing plate 3 and the adjacent bending blade 5, and the gasket 601 is arranged between the shaft end fixing plate one 2 or the shaft end fixing plate two 4 and the adjacent bending blade 5. The gasket 601, the long spacer sleeve 602 and the short spacer sleeve 603 are respectively sleeved on the outer side wall of the knife shaft 6. During installation, the end of the bending blade 5 on the same knife shaft 6 is inclined in the same direction. Through the above-mentioned mode, the adjacent bending blades 5 on the same knife shaft 6 are arranged at equal intervals, the collision of the adjacent bending blades 5 during crushing is avoided, and the crushing effect is ensured.

[0027] Limiting holes are arranged at both ends of the knife shaft 6. One end of the knife shaft 6 passes through the middle fixing plate 3, and the other end of the knife shaft 6 passes through the shaft end fixing plate one 2 or the shaft end fixing plate two 4. During fixing, the two ends of the knife shaft 6 are inserted into the limiting holes through the pin shaft to be limited and fixed. The installation and disassembly are convenient. The other parts are the same as those in the first embodiment.

[0028] As shown in the figure, Figure 3As shown, in use, the two ends of the transmission shaft 1 are connected with the frame 7 of the corn harvester through the bearing seat 8, and the installation of the whole crushing device is completed. When any bending blade 5 needs to be replaced due to wear, the whole crushing device does not need to be taken down from the frame 7, only the pin shaft at the two ends of the perforated shaft 6 where the bending blade 5 is located needs to be taken down, then the perforated shaft 6 is pulled to the side where the middle fixing plate 3 is located, at this time, the other side is not blocked when the pin shaft is pulled out, the perforated shaft 6 can be easily taken out, and when the perforated shaft 6 is put back, the new bending blade 5 can be replaced, so that the replacement is convenient and fast, and the maintenance efficiency of the device is improved.

[0029] Finally, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A single-row corn harvester straw pulverizing device comprising a transmission shaft (1), characterized in that: A central fixing plate (3) is fixedly connected to the drive shaft (1) near the middle position. At least one shaft end fixing plate fixedly connected to the drive shaft (1) is provided on both sides of the central fixing plate (3). At least one detachable cutting shaft (6) is provided between the shaft end fixing plate and the central fixing plate (3) and between adjacent shaft end fixing plates. Adjacent cutting shafts (6) are staggered in the horizontal direction. Multiple curved blades (5) are rotatably connected to each cutting shaft (6). The tail of the curved blade (5) is tilted to one side.

2. The single corn harvester straw pulverizing device according to claim 1, characterized in that: Two or more cutting shafts (6) are installed on each shaft end fixing plate, and the curved blades (5) in adjacent cutting shafts (6) on the same shaft end fixing plate have opposite tail tilt directions.

3. The single corn harvester straw pulverizing device according to claim 1, characterized in that: The middle fixing plate (3) is a "+" shaped plate, and the shaft end fixing plates are all "I" shaped plates. The shaft end fixing plates include shaft end fixing plate one (2) and shaft end fixing plate two (4). The transmission shaft (1) passes through the center of shaft end fixing plate one (2), middle fixing plate (3) and shaft end fixing plate two (4) in sequence.

4. The single corn harvester straw pulverizing device according to claim 3, characterized in that: The shaft end fixing plate 1 (2) and the shaft end fixing plate 2 (4) are set vertically. The shaft end fixing plate 1 (2) has a cutter shaft hole 1 (201) near both ends, and the shaft end fixing plate 2 (401) has a cutter shaft hole 2 (401) near both ends. The middle fixing plate (3) has an assembly hole 1 (301) corresponding to the cutter shaft hole 1 (201) and an assembly hole 2 (302) corresponding to the cutter shaft hole 2 (401) at the four corners away from the center.

5. The single corn harvester straw pulverizing device according to claim 4, characterized in that: In each cutting shaft (6), a long spacer (602) is provided between adjacent curved blades (5), a short spacer (603) is provided between the middle fixing plate (3) and the adjacent curved blade (5), and a gasket (601) is provided between the shaft end fixing plate one (2) or the shaft end fixing plate two (4) and the adjacent curved blade (5). The gasket (601), the long spacer (602) and the short spacer (603) are respectively fitted on the outer side wall of the cutting shaft (6).

6. The single corn harvester stalk pulverizing device according to claim 5, characterized in that: One end of the through-cutting shaft (6) passes through the middle fixing plate (3), and the other end of the through-cutting shaft (6) passes through the shaft end fixing plate one (2) or the shaft end fixing plate two (4), and both ends of the through-cutting shaft (6) are fixed by pins.

7. The single corn harvester straw pulverizing device according to any one of claims 1 to 6, characterized in that: The shaft end fixing plate and the middle fixing plate (3) are parallel to each other on the transmission shaft (1), and the distance between the shaft end fixing plate and the middle fixing plate (3) and between adjacent shaft end fixing plates are equal.

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