Harvester tool bit with low stubble height for rice

Abstract

The invention discloses a harvester tool bit for low stubble height of rice, and relates to the technical field of rice harvesting. The device specifically comprises a mounting plate, a mounting column is mounted outside the mounting plate, and a sliding ring is slidably connected to the outside of the mounting column; the harvester tool bit with the low stubble height of rice further comprises a control mechanism used for controlling the height of the tool bit, the control mechanism is arranged outside the mounting column and comprises a first telescopic rod and a center shaft, the top of the first telescopic rod is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a connecting rod, and the connecting rod is fixedly connected with the center shaft. The outer part of the central shaft is fixedly connected with a cross-shaped frame; the adjusting mechanism is used for replacing the cutter head and protecting the cutter head, the adjusting mechanism is arranged outside the sliding ring, the adjusting mechanism comprises a base, the outer portion of the base is fixedly connected with a second telescopic rod, and the purpose of improving the use efficiency of the harvester cutter head with the low stubble height of rice is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of rice harvesting, in particular to a harvester cutter head with a low rice stubble height. Background Art

[0002] The harvesting height of rice is generally controlled at about 7 cm to retain enough straw. Harvesting height that is too low or too high will affect crop yield. Therefore, when harvesting rice, the harvesting height needs to be controlled.

[0003] The current rice harvester cutter head with low stubble height uses the same curved blade for a long time when harvesting rice, which will cause the curved blade to wear and become blunt. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a rice harvester cutter head with low stubble height, which specifically comprises:

[0005] A mounting plate, the outside of which is mounted with a mounting column, the outside of which is slidably connected with a sliding ring;

[0006] The rice low stubble height harvester cutter head also includes:

[0007] A control mechanism, used to control the height of the cutter head, the control mechanism is arranged outside the mounting column, the control mechanism comprises a first telescopic rod and a central axis, the top of the first telescopic rod is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to a connecting rod, and the outside of the central axis is fixedly connected to a cross frame;

[0008] An adjusting mechanism is used for replacing and protecting the cutter head, wherein the adjusting mechanism is arranged on the outside of the sliding ring, and comprises a base, the outside of the base is fixedly connected with a second telescopic rod, the outside of the second telescopic rod is snap-connected with a socket, the inside of the socket is fixedly connected with a fifth telescopic rod, and a curved knife is installed on the outside of the fifth telescopic rod.

[0009] Preferably, the connecting rod is fixedly connected to the sliding ring, the first telescopic rod is fixedly connected to the top of the mounting column, the central axis is rotatably connected to the outside of the sliding ring, and the base is fixedly connected to the outside of the central axis.

[0010] Preferably, a first groove is opened inside the mounting column, a scale mark is set inside the first groove, a second mounting hole is opened inside the first groove, a first mounting hole is opened inside the mounting plate, and multiple first mounting holes and multiple second mounting holes are opened. A first magnetic plate is fixedly connected to the outside of the mounting plate, and two first magnetic plates are set symmetrically.

[0011] Preferably, a second groove is formed inside the installation column, a first locking rod is engaged inside the second groove, a moving wheel is installed outside the first locking rod, and two moving wheels are provided and symmetrically arranged.

[0012] Preferably, an extension plate is fixedly connected to the outside of the mounting column, a push rod is fixedly connected to the bottom of the extension plate, a positioning frame is fixedly connected to the bottom of the push rod, and the positioning frame is made of rubber material.

[0013] Preferably, four of the second telescopic rods and the clamping seats are provided, the four clamping seats are slidably connected to the inside of the cross frame, a second clamping rod is installed outside the cross frame, and a protective component is fixedly connected to the outside of the second clamping rod.

[0014] Preferably, a circular groove is provided inside the cross frame, a third telescopic rod is fixedly connected inside the circular groove, and a second magnetic plate is fixedly connected outside the third telescopic rod to cooperate with the first magnetic plate to fix the position of the cross frame, and four third telescopic rods and four second magnetic plates are provided.

[0015] Preferably, the protective assembly includes a panel, the outside of the panel is fixedly connected to a fixing tube, the inside of the fixing tube is fixedly connected to a center column, the center column passes through the inside of the fixing tube, the panel is configured as an L-shaped plate, and the panel is fixedly connected to the outside of the second locking rod.

[0016] Preferably, a telescopic curved rod is fixedly connected to the outside of the central column, and an arc-shaped scraper is fixedly connected to the bottom of the telescopic curved rod for cleaning the scimitar. The arc-shaped scraper is fixedly connected to the outside of a support rod, and there are multiple support rods that are evenly arranged. The outside of the support rod is provided with a moisture-absorbing shell for absorbing moisture on the outside of the scimitar.

[0017] Preferably, a fourth telescopic rod is fixedly connected to the bottom of the central column, a baffle rod is fixedly connected to the outside of the fourth telescopic rod, and the baffle rod is arranged below the arc-shaped scraper.

[0018] The present invention provides a harvester cutter head with low rice stubble height, which has the following beneficial effects:

[0019] 1. The cutter head of the rice harvester with low stubble height is equipped with a control mechanism and an adjustment mechanism to complete the work of replacing the cutter head and adjusting the cutter head height. When harvesting rice, long-term use of the same curved blade to harvest rice will cause the curved blade to wear and become blunt. Therefore, a control mechanism and an adjustment mechanism are set, four workstations are set, and curved blades are set in each of the four workstations. During the harvesting work, the work of replacing the curved blade can be completed by adjusting the position of the curved blade, avoiding long-term use of the same curved blade, accelerating the wear of the curved blade, and reducing the service life.

[0020] 2. The cutter head of the rice harvester with low stubble height controls the height of the curved blade by setting a control mechanism. Before using the equipment, the mounting plate and the harvester are mounted through the first mounting hole, and the hole position of the second mounting hole is selected according to the height of the mounting plate, and the mounting column and the mounting plate are mounted. Then, according to the low stubble height of the rice, the height of the first telescopic rod is adjusted, and then the height of the sliding ring, the cross frame and the curved blade is adjusted, so that the bottom curved blade is aligned with the corresponding scale mark to reduce the error of the cutting height.

[0021] 3. The cutter head of the rice harvester with low stubble height is provided with an adjustment mechanism to place and adjust the position of the scimitar. Four holders are provided in the cross frame to fix the position of the fifth telescopic rod and the scimitar, and the four scimitars are staggered. When using the scimitar, the position of the cross frame is adjusted and fixed by rotating the position of the cross frame so that the first magnetic plate and the second magnetic plate are attracted and fixed, and then the scimitar is replaced, avoiding manual disassembly and replacement of the scimitar, thereby improving the safety of the equipment.

[0022] 4. The cutter head of the rice harvester with low stubble height is provided with a protective component to maintain the curved blade. A detachable protective component is provided to maintain the unused curved blade. The fifth telescopic rod corresponding to the unused curved blade is in the initial state, the curved blade is in contact with the arc scraper and the support rod, the moisture-absorbing shell outside the support rod is in contact with the curved blade, absorbing moisture outside the curved blade to slow down the rusting of the curved blade, and the curved scraper can simply clean the curved blade to prevent debris from remaining on the curved blade. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0024] Figure 2 It is a schematic diagram of the back structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the control mechanism structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 The structural diagram at A in the middle;

[0027] Figure 5 For the present invention Figure 3 The structural diagram at B in the middle;

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

[0029] Figure 7 This is a schematic diagram of the back structure of the adjustment mechanism of the present invention;

[0030] Figure 8 This is a schematic diagram of the structure of the protection component of the present invention;

[0031] Fig. 9 It is a schematic diagram of the bottom structure of the protective component of the present invention.

[0032] In the figure: 1, mounting plate; 2, mounting column; 3, control mechanism; 301, first mounting hole; 302, first magnetic plate; 303, first groove; 304, second mounting hole; 305, central axis; 306, cross frame; 307, scale mark; 308, first telescopic rod; 309, top plate; 310, connecting rod; 311, second groove; 312, first locking rod; 313, moving wheel; 314, extension plate; 315, push rod; 316, locking frame; 4, sliding ring; 5 , adjusting mechanism; 501, base; 502, second telescopic rod; 503, holder; 504, second locking rod; 505, protective assembly; 5051, enclosure; 5052, fixing tube; 5053, center column; 5054, telescopic curved rod; 5055, arc scraper; 5056, support rod; 5057, fourth telescopic rod; 5058, stop rod; 506, fifth telescopic rod; 507, curved knife; 508, circular groove; 509, third telescopic rod; 510, second magnetic plate. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0034] like Figure 1-Figure 9 As shown, the present invention provides a technical solution: specifically comprising:

[0035] A mounting plate 1, a mounting column 2 is mounted on the outside of the mounting plate 1, and a sliding ring 4 is slidably connected to the outside of the mounting column 2;

[0036] The rice low stubble height harvester cutter head also includes:

[0037] The control mechanism 3 is used to control the height of the cutter head. The control mechanism 3 is arranged outside the mounting column 2. The control mechanism 3 includes a first telescopic rod 308 and a central axis 305. The top of the first telescopic rod 308 is fixedly connected to a top plate 309. The bottom of the top plate 309 is fixedly connected to a connecting rod 310. The connecting rod 310 is fixedly connected to the sliding ring 4. The outside of the central axis 305 is fixedly connected to a cross frame 306. The first telescopic rod 308 is fixedly connected to the top of the mounting column 2. The central axis 305 is rotatably connected to the outside of the sliding ring 4.

[0038] The adjusting mechanism 5 is used for replacing the cutter head and protecting the cutter head. The adjusting mechanism 5 is arranged on the outside of the sliding ring 4. The adjusting mechanism 5 includes a base 501. The outside of the base 501 is fixedly connected with the second telescopic rod 502. The outside of the second telescopic rod 502 is snap-connected with a socket 503. The inside of the socket 503 is fixedly connected with a fifth telescopic rod 506. A scimitar 507 is installed on the outside of the fifth telescopic rod 506. The base 501 is fixedly connected to the outside of the central axis 305.

[0039] Before using the device, the mounting plate 1 is mounted on the harvester, and then the mounting column 2 is mounted on the mounting plate 1. According to the low stubble height of the rice, the control mechanism 3 is adjusted to adjust the height of the curved blade 507. During the use of the device, the curved blade 507 can be replaced by adjusting the adjustment mechanism 5 to avoid long-term use of the same curved blade 507, and the curved blade 507 can be maintained.

[0040] A first groove 303 is provided inside the mounting column 2, a scale mark 307 is provided inside the first groove 303, a second mounting hole 304 is provided inside the first groove 303, a first mounting hole 301 is provided inside the mounting plate 1, and multiple first mounting holes 301 and multiple second mounting holes 304 are provided. The corresponding second mounting hole 304 is selected according to the position of the mounting plate 1, and a first magnetic plate 302 is fixedly connected to the outside of the mounting plate 1. Two first magnetic plates 302 are provided and are symmetrically arranged.

[0041] A second groove 311 is provided inside the mounting column 2, and a first locking rod 312 is engaged and connected inside the second groove 311. The length of the first locking rod 312 is adjustable, and a moving wheel 313 is installed outside the first locking rod 312. There are two moving wheels 313, which are symmetrically arranged, and the first locking rod 312 and the moving wheel 313 are detachable.

[0042] The outside of the mounting column 2 is fixedly connected with an extension plate 314, the bottom of the extension plate 314 is fixedly connected with a push rod 315, the bottom of the push rod 315 is fixedly connected with a positioning frame 316, and the positioning frame 316 is set to a rubber material. After the harvesting work is completed, the push rod 315 is turned on to the reciprocating motion mode, and the push rod 315 drives the positioning frame 316 to repeatedly contact the top of the cross frame 306. The positioning frame 316 undergoes corresponding deformation, and the vibration is transmitted to the curved blade 507, which promotes the falling off of impurities on the outside of the curved blade 507.

[0043] Before using the device, use screws to fix the mounting plate 1 on the harvester, select the corresponding second mounting hole 304 according to the height of the mounting plate 1, and use screws to fix the mounting column 2 on the outside of the mounting plate 1, so that the moving wheel 313 is grounded. According to the low stubble height of the rice, adjust the stroke of the first telescopic rod 308, the first telescopic rod 308 drives the top plate 309 and the connecting rod 310 to move, the connecting rod 310 drives the sliding ring 4 to move, and the sliding ring 4 drives the cross frame 306 and the curved knife 507 to move, so that the curved knife 507 is aligned with the corresponding scale mark 307.

[0044] There are four second telescopic rods 502 and four clamping seats 503 . The four clamping seats 503 are slidably connected to the inside of the cross frame 306 . The outside of the cross frame 306 is installed with a second clamping rod 504 . The outside of the second clamping rod 504 is fixedly connected with a protective component 505 .

[0045] A circular groove 508 is formed inside the cross frame 306 , a third telescopic rod 509 is fixedly connected inside the circular groove 508 , a second magnetic plate 510 is fixedly connected outside the third telescopic rod 509 , and four third telescopic rods 509 and four second magnetic plates 510 are provided.

[0046] When the scimitar 507 needs to be replaced, the four third telescopic rods 509 are adjusted to the initial state. At this time, the second magnetic plates 510 are all in the circular groove 508. The central axis 305 is manually rotated, and the central axis 305 drives the cross frame 306 to rotate. Then, the two third telescopic rods 509 corresponding to the first magnetic plate 302 are opened, and the two third telescopic rods 509 drive the two second magnetic plates 510 to move until the two second magnetic plates 510 are attracted and fixed to the two first magnetic plates 302. At this time, the position of the cross frame 306 is fixed, and the angle of the scimitar 507 changes.

[0047] Before harvesting, open the second telescopic rod 502 at the bottom, the second telescopic rod 502 drives the holder 503, the fifth telescopic rod 506 and the machete 507 to move downward, adjust the stroke of the fifth telescopic rod 506, the fifth telescopic rod 506 drives the machete 507 to move, and then start harvesting.

[0048] The protection component 505 includes a surrounding plate 5051, the outside of the surrounding plate 5051 is fixedly connected to a fixed tube 5052, the inside of the fixed tube 5052 is fixedly connected to a central column 5053, the central column 5053 passes through the inside of the fixed tube 5052, and the surrounding plate 5051 is configured as an L-shaped plate, and the surrounding plate 5051 is fixedly connected to the outside of the second locking rod 504.

[0049] The outside of the central column 5053 is fixedly connected with a telescopic curved rod 5054, the bottom of the telescopic curved rod 5054 is fixedly connected with an arc scraper 5055, the outside of the arc scraper 5055 is fixedly connected with a support rod 5056, and there are multiple support rods 5056, which are evenly arranged. The outside of the support rod 5056 is provided with a moisture-absorbing outer shell, and the moisture-absorbing outer shell is set to a replaceable cotton material.

[0050] When the second telescopic rod 502 is in the initial state, the scimitar 507 is in the enclosure 5051. The telescopic curved rod 5054 is opened to the first stroke, and the telescopic curved rod 5054 drives the arc scraper 5055 to move downward, and the arc scraper 5055 contacts the scimitar 507 to simply clean the scimitar 507 and promote the separation of impurities from the scimitar 507. Then, the telescopic curved rod 5054 is opened to the second stroke, and the moisture-absorbing shell outside the support rod 5056 contacts the scimitar 507 to absorb moisture outside the scimitar 507.

[0051] A fourth telescopic rod 5057 is fixedly connected to the bottom of the central column 5053 , and a blocking rod 5058 is fixedly connected to the outside of the fourth telescopic rod 5057 . The blocking rod 5058 is arranged below the arc-shaped scraper 5055 .

[0052] When the scimitar 507 moves downward, the fourth telescopic rod 5057 is in an initial state and the blocking rod 5058 is at the bottom of the scimitar 507 . When the scimitar 507 is in the enclosure 5051 , the fourth telescopic rod 5057 is in an open state and the blocking rod 5058 is at a position away from the scimitar 507 .

[0053] Working principle: Before using the device, install the mounting plate 1 on the harvester, and then install the mounting column 2 on the mounting plate 1. Before using the device, use screws to fix the mounting plate 1 on the harvester, and select the corresponding second mounting hole 304 according to the height of the mounting plate 1, and use screws to fix the mounting column 2 on the outside of the mounting plate 1 so that the moving wheel 313 is on the ground.

[0054] According to the low stubble height of rice, the stroke of the first telescopic rod 308 is adjusted, the first telescopic rod 308 drives the top plate 309 and the connecting rod 310 to move, the connecting rod 310 drives the sliding ring 4 to move, the sliding ring 4 drives the cross frame 306 and the curved knife 507 to move, so that the curved knife 507 is aligned with the corresponding scale mark 307.

[0055] During the use of the device, the curved blade 507 can be replaced by adjusting the adjustment mechanism 5 to avoid long-term use of the same curved blade 507 and to perform maintenance on the curved blade 507 .

[0056] When the scimitar 507 needs to be replaced, the four third telescopic rods 509 are adjusted to the initial state. At this time, the second magnetic plates 510 are all in the circular groove 508. The central axis 305 is manually rotated, and the central axis 305 drives the cross frame 306 to rotate. Then, the two third telescopic rods 509 corresponding to the first magnetic plate 302 are opened, and the two third telescopic rods 509 drive the two second magnetic plates 510 to move until the two second magnetic plates 510 are attracted and fixed to the two first magnetic plates 302. At this time, the position of the cross frame 306 is fixed, and the angle of the scimitar 507 changes.

[0057] Before harvesting, open the second telescopic rod 502 at the bottom, the second telescopic rod 502 drives the holder 503, the fifth telescopic rod 506 and the machete 507 to move downward, adjust the stroke of the fifth telescopic rod 506, the fifth telescopic rod 506 drives the machete 507 to move, and then start harvesting.

[0058] When the second telescopic rod 502 is in the initial state, the scimitar 507 is in the enclosure 5051. The telescopic curved rod 5054 is opened to the first stroke, and the telescopic curved rod 5054 drives the arc scraper 5055 to move downward, and the arc scraper 5055 contacts the scimitar 507 to simply clean the scimitar 507 and promote the separation of impurities from the scimitar 507. Then, the telescopic curved rod 5054 is opened to the second stroke, and the moisture-absorbing shell outside the support rod 5056 contacts the scimitar 507 to absorb moisture outside the scimitar 507.

[0059] After the harvesting work is completed, the push rod 315 is turned on to the reciprocating motion mode, and the push rod 315 drives the positioning frame 316 to repeatedly contact the top of the cross frame 306. The positioning frame 316 undergoes corresponding deformation, and the vibration is transmitted to the curved blade 507, which promotes the falling off of impurities outside the curved blade 507.

[0060] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A rice harvester cutter head with low stubble height, comprising: The mounting plate (1) is characterized in that a mounting column (2) is mounted on the outside of the mounting plate (1), and a sliding ring (4) is slidably connected to the outside of the mounting column (2); The rice low stubble height harvester cutter head also includes: A control mechanism (3) for controlling the height of the cutter head, the control mechanism (3) being arranged outside the mounting column (2), the control mechanism (3) comprising a first telescopic rod (308) and a central axis (305), the top of the first telescopic rod (308) being fixedly connected to a top plate (309), the bottom of the top plate (309) being fixedly connected to a connecting rod (310), and the outside of the central axis (305) being fixedly connected to a cross frame (306); An adjustment mechanism (5) is used for replacing a cutter head and protecting the cutter head. The adjustment mechanism (5) is arranged outside the sliding ring (4). The adjustment mechanism (5) comprises a base (501). The outside of the base (501) is fixedly connected to a second telescopic rod (502). The outside of the second telescopic rod (502) is snap-connected to a clamping seat (503). The inside of the clamping seat (503) is fixedly connected to a fifth telescopic rod (506). A curved knife (507) is installed outside the fifth telescopic rod (506).

2. The rice harvester cutter head with low stubble height according to claim 1, characterized in that: The connecting rod (310) is fixedly connected to the sliding ring (4), the first telescopic rod (308) is fixedly connected to the top of the mounting column (2), the central axis (305) is rotatably connected to the outside of the sliding ring (4), and the base (501) is fixedly connected to the outside of the central axis (305).

3. The rice harvester cutter head with low stubble height according to claim 1, characterized in that: The interior of the mounting column (2) is provided with a first groove (303), the interior of the first groove (303) is provided with a scale mark (307), the interior of the first groove (303) is provided with a second mounting hole (304), the interior of the mounting plate (1) is provided with a first mounting hole (301), and a plurality of the first mounting holes (301) and the second mounting holes (304) are provided, and the exterior of the mounting plate (1) is fixedly connected with a first magnetic plate (302), and two first magnetic plates (302) are provided and symmetrically arranged.

4. The rice harvester cutter head with low stubble height according to claim 3, characterized in that: A second groove (311) is provided inside the mounting column (2), a first locking rod (312) is engaged inside the second groove (311), a moving wheel (313) is installed outside the first locking rod (312), and two moving wheels (313) are provided and symmetrically arranged.

5. The rice harvester cutter head with low stubble height according to claim 1, characterized in that: An extension plate (314) is fixedly connected to the outside of the mounting column (2), a push rod (315) is fixedly connected to the bottom of the extension plate (314), a positioning frame (316) is fixedly connected to the bottom of the push rod (315), and the positioning frame (316) is made of rubber material.

6. The rice harvester cutter head with low stubble height according to claim 1, characterized in that: Four of the second telescopic rods (502) and the clamping seats (503) are provided, and the four clamping seats (503) are all slidably connected to the inside of the cross frame (306). A second clamping rod (504) is installed on the outside of the cross frame (306), and a protective component (505) is fixedly connected to the outside of the second clamping rod (504).

7. The rice harvester cutter head with low stubble height according to claim 1, characterized in that: A circular groove (508) is provided inside the cross frame (306), a third telescopic rod (509) is fixedly connected inside the circular groove (508), a second magnetic plate (510) is fixedly connected outside the third telescopic rod (509), and four third telescopic rods (509) and four second magnetic plates (510) are provided.

8. The rice harvester cutter head with low stubble height according to claim 6, characterized in that: The protection component (505) includes a panel (5051), the outside of the panel (5051) is fixedly connected to a fixing tube (5052), the inside of the fixing tube (5052) is fixedly connected to a center column (5053), and the center column (5053) passes through the inside of the fixing tube (5052). The panel (5051) is configured as an L-shaped plate, and the panel (5051) is fixedly connected to the outside of the second locking rod (504).

9. The rice harvester cutter head with low stubble height according to claim 8, characterized in that: The outside of the central column (5053) is fixedly connected to a telescopic curved rod (5054), the bottom of the telescopic curved rod (5054) is fixedly connected to an arc-shaped scraper (5055), the outside of the arc-shaped scraper (5055) is fixedly connected to a support rod (5056), a plurality of support rods (5056) are provided and evenly arranged, and the outside of the support rod (5056) is provided with a moisture-absorbing outer shell.

10. The rice harvester cutter head with low stubble height according to claim 9, characterized in that: The bottom of the central column (5053) is fixedly connected to a fourth telescopic rod (5057), the outside of the fourth telescopic rod (5057) is fixedly connected to a blocking rod (5058), and the blocking rod (5058) is arranged below the arc-shaped scraper (5055).

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