A rice harvester cutter head with low stubble height

Abstract

The application discloses a rice harvester cutter head with low stubble height, and relates to the technical field of rice harvesting. Specifically, the rice harvester cutter head with low stubble height comprises an installation plate, an installation column is externally mounted on the installation plate, and a sliding ring is slidingly connected to the outside of the installation column. The rice harvester cutter head with low stubble height further comprises a control mechanism for controlling the height of the cutter head, which is arranged on the outside of the installation column and comprises a first telescopic rod and a central 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 outside of the central shaft is fixedly connected with a cross frame. An adjusting mechanism is arranged on the outside of the sliding ring and is used for replacing and protecting the cutter head. The adjusting mechanism comprises a base, and the outside of the base is fixedly connected with a second telescopic rod. The rice harvester cutter head with low stubble height achieves the purpose of improving the use efficiency of the equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rice harvesting, in particular to a rice low stubble height harvester cutter head. BACKGROUND

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

[0003] The current rice low stubble height harvester cutter head uses the same curved knife to harvest rice for a long time, which will cause the curved knife to wear and blunt. SUMMARY

[0004] To solve the above technical problems, the present application provides a rice low stubble height harvester cutter head, which specifically comprises:

[0005] A mounting plate, an installation column is mounted on the outside of the mounting plate, and a sliding ring is slidingly connected to the outside of the installation column;

[0006] The rice low stubble height harvester cutter head further comprises:

[0007] A control mechanism for controlling the height of the cutter head, the control mechanism is arranged on the outside of the installation column, the control mechanism comprises a first telescopic rod and a central 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 outside of the central shaft is fixedly connected with a cross frame;

[0008] An adjusting mechanism for replacing and protecting the cutter head, the adjusting mechanism is arranged on the outside of the sliding ring, the adjusting mechanism comprises a base, the outside of the base is fixedly connected with a second telescopic rod, the outside of the second telescopic rod is clampedly connected with a clamping seat, the inside of the clamping seat is fixedly connected with a fifth telescopic rod, and the outside of the fifth telescopic rod is mounted with a curved knife.

[0009] Preferably, the connecting rod is fixedly connected with the sliding ring, the first telescopic rod is fixedly connected at the top of the installation column, the central shaft is rotatably connected on the outside of the sliding ring, and the base is fixedly connected on the outside of the central shaft.

[0010] Preferably, a first recess is formed in the inside of the installation column, a scale mark is arranged in the inside of the first recess, a second mounting hole is formed in the inside of the first recess, a first mounting hole is formed in the inside of the mounting plate, a plurality of first mounting holes and second mounting holes are formed, a first magnetic plate is fixedly connected to the outside of the mounting plate, the first magnetic plate is provided with two and symmetrically arranged.

[0011] Preferably, the inside of the mounting column is provided with a second groove, the inside of the second groove is matched with a first clamping rod, the outside of the first clamping rod is provided with a moving wheel, and the moving wheel is provided with two and is symmetrically arranged.

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

[0013] Preferably, the second telescopic rod and the clamping seat are provided with four, the four clamping seats are slidably connected in the inside of the cross frame, the outside of the cross frame is provided with a second clamping rod, and the outside of the second clamping rod is fixedly connected with a protection assembly.

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

[0015] Preferably, the protection assembly comprises a surrounding plate, the outside of the surrounding plate is fixedly connected with a fixing cylinder, the inside of the fixing cylinder is fixedly connected with a center column, the center column penetrates through the inside of the fixing cylinder, the surrounding plate is provided as an L-shaped plate, and the surrounding plate is fixedly connected to the outside of the second clamping rod.

[0016] Preferably, the outside of the center column is fixedly connected with a telescopic bent rod, the bottom of the telescopic bent rod is fixedly connected with an arc-shaped scraper for cleaning the bent knife, the outside of the arc-shaped scraper is fixedly connected with a supporting rod, the supporting rod is provided with a plurality of supporting rods and is uniformly arranged, and the outside of the supporting rod is sleeved with a moisture absorption shell for absorbing moisture outside the bent knife.

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

[0018] The application provides a rice harvester cutter head with low stubble height.

[0019] 1. The rice harvester cutter head with low stubble height, by setting the control mechanism and the adjusting mechanism, the work of replacing the cutter head and adjusting the height of the cutter head is completed. In the process of harvesting rice, long-term use of the same bent knife for harvesting rice will cause the bent knife to wear and blunt. Therefore, the control mechanism and the adjusting mechanism are set, four stations are set, and bent knives are arranged in the four stations. In the harvesting work, the position of the bent knife can be adjusted to replace the bent knife, thereby avoiding long-term use of the same bent knife, accelerating the wear of the bent knife and reducing the service life.

[0020] 2. The rice low stubble height harvester cutter head, by setting control mechanism, to control the height of the bending knife. Before using the equipment, through the first mounting hole, the mounting plate is installed with the harvester, and according to the height of the mounting plate, the appropriate second mounting hole is selected, the mounting column is installed with the mounting plate. Then according to the low stubble height of rice, the height of the first telescopic rod is adjusted, and the height of the sliding ring, the cross frame and the bending knife is adjusted, so that the bottom bending knife is aligned with the corresponding scale mark, and the cutting height error is reduced.

[0021] 3. The rice low stubble height harvester cutter head, by setting the adjusting mechanism, to place the bending knife and adjust the position of the bending knife. Four clamping seats are arranged in the cross frame to fix the position of the fifth telescopic rod and the bending knife, and the four bending knives are arranged staggered. When using the bending knife, the position of the cross frame is adjusted and fixed by rotating the first magnetic plate and the second magnetic plate to attract and fix the cross frame, and then the bending knife is replaced, avoiding manual disassembly and replacement of the bending knife, and improving the safety of the equipment.

[0022] 4. The rice low stubble height harvester cutter head, by setting the protection assembly, the bending knife is maintained. The detachable protection assembly is arranged to maintain the unused bending knife. The fifth telescopic rod corresponding to the unused bending knife is in the initial state, the bending knife is in contact with the arc-shaped scraper and the supporting rod, the moisture-proof shell outside the supporting rod is in contact with the bending knife, absorbs the moisture outside the bending knife, slows down the rust of the bending knife, and the arc-shaped scraper can clean the bending knife, avoiding the debris remaining on the bending knife. BRIEF DESCRIPTION OF DRAWINGS

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

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

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

[0026] Figure 4 It is the structure schematic diagram of A in the present application Figure 3

[0027] Figure 5 It is the structure schematic diagram of B in the present application Figure 3

[0028] Figure 6 It is the adjusting mechanism structure schematic diagram of the present application;

[0029] Figure 7 It is the adjusting mechanism back structure schematic diagram of the present application;

[0030] Figure 8 It is the protection assembly structure schematic diagram of the present application;​​

[0031] Figure 9 The figure is a schematic view of the bottom structure of the protection assembly of the application.

[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, center shaft; 306, cross frame; 307, scale mark; 308, first telescopic rod; 309, top plate; 310, connecting rod; 311, second groove; 312, first clamping rod; 313, moving wheel; 314, extension plate; 315, push rod; 316, clamping frame; 4, sliding ring; 5, adjusting mechanism; 501, base; 502, second telescopic rod; 503, clamping seat; 504, second clamping rod; 505, protection assembly; 5051, coaming; 5052, fixed cylinder; 5053, center column; 5054, telescopic bent rod; 5055, arc-shaped scraper; 5056, support rod; 5057, fourth telescopic rod; 5058, blocking rod; 506, fifth telescopic rod; 507, curved knife; 508, circular groove; 509, third telescopic rod; 510, second magnetic plate. DETAILED DESCRIPTION

[0033] The application will be described in further detail below with reference to the drawings and specific embodiments. The embodiments of the application are given for illustrative and descriptive purposes only and are not exhaustive or limiting of the application as disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the application and its practical application and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

[0034] As Figures 1-9 shown, the application provides a technical solution: specifically including:

[0035] The mounting plate 1 is externally mounted with the mounting column 2, and the mounting column 2 is externally connected with the sliding ring 4 in a sliding manner;

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

[0037] The control mechanism 3 is used to control the height of the bit, and the control mechanism 3 is arranged on the outside of the mounting column 2. The control mechanism 3 includes the first telescopic rod 308 and the center shaft 305. The top of the first telescopic rod 308 is fixedly connected with the top plate 309, and the bottom of the top plate 309 is fixedly connected with the connecting rod 310. The connecting rod 310 is fixedly connected with the sliding ring 4. The outside of the center shaft 305 is fixedly connected with the cross frame 306. The first telescopic rod 308 is fixedly connected to the top of the mounting column 2, and the center shaft 305 is rotatably connected to the outside of the sliding ring 4.

[0038] An adjusting mechanism 5 is arranged outside the sliding ring 4, and is used for replacing the cutter head and protecting the cutter head. The adjusting mechanism 5 comprises a base 501, a second telescopic rod 502 is fixedly connected to the outside of the base 501, a clamping seat 503 is clampedly connected to the outside of the second telescopic rod 502, a fifth telescopic rod 506 is fixedly connected to the inside of the clamping seat 503, and a curved cutter 507 is mounted to the outside of the fifth telescopic rod 506. The base 501 is fixedly connected to the outside of the central shaft 305.

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

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

[0041] The inside of the mounting column 2 is provided with a second recess 311, the inside of the second recess 311 is clampedly connected with a first clamping rod 312, the length of the first clamping rod 312 is adjustable, the outside of the first clamping rod 312 is mounted with a moving wheel 313, the moving wheel 313 is provided with two and is symmetrically arranged, and the first clamping rod 312 and the moving wheel 313 can be detached.

[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 clamping frame 316, the clamping frame 316 is made of rubber material, after the harvesting work is completed, the push rod 315 is started to reciprocating mode, the push rod 315 drives the clamping frame 316 to repeatedly contact the top of the cross frame 306, the clamping frame 316 is deformed correspondingly, the vibration is transmitted to the curved cutter 507, and the impurities outside the curved cutter 507 are promoted to fall off.

[0043] Before using the device, use screws to fix the mounting plate 1 on the harvester, and according to the height of the mounting plate 1, select the corresponding second mounting hole 304, and use screws to fix the mounting column 2 outside the mounting plate 1, so that the moving wheel 313 falls to the ground. According to the low stubble height of rice, adjust the stroke of the first telescopic rod 308, and the first telescopic rod 308 drives the top plate 309 and the connecting rod 310 to move, and 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] The second telescopic rod 502 and the clamping seat 503 are provided with four, and the four clamping seats 503 are slidably connected inside the cross frame 306. The second clamping rod 504 is installed outside the cross frame 306. The second clamping rod 504 is fixedly connected with the protection assembly 505 outside.

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

[0046] When the curved knife 507 needs to be replaced, adjust the four third telescopic rods 509 to the initial state, at this time the second magnetic plate 510 is inside the circular groove 508, manually rotate the central shaft 305, the central shaft 305 drives the cross frame 306 to rotate, then open the two third telescopic rods 509 corresponding to the first magnetic plate 302, 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 with the two first magnetic plates 302, at this time the position of the cross frame 306 is fixed, and the angle of the curved knife 507 changes.

[0047] Before the harvesting work, open the lowermost second telescopic rod 502, and the second telescopic rod 502 drives the clamping seat 503, the fifth telescopic rod 506 and the curved knife 507 to move downward. Adjust the stroke of the fifth telescopic rod 506, and the fifth telescopic rod 506 drives the curved knife 507 to move, and the harvesting work can be started.

[0048] The protection assembly 505 includes a surrounding plate 5051, and the surrounding plate 5051 is fixedly connected with a fixed cylinder 5052 outside. The inside of the fixed cylinder 5052 is fixedly connected with a central column 5053, and the central column 5053 penetrates the inside of the fixed cylinder 5052. The surrounding plate 5051 is provided as an L-shaped plate, and the surrounding plate 5051 is fixedly connected outside the second clamping rod 504.

[0049] The outer part of the center column 5053 is fixedly connected with a telescopic bent rod 5054, the bottom of the telescopic bent rod 5054 is fixedly connected with an arc-shaped scraper 5055, the outer part of the arc-shaped scraper 5055 is fixedly connected with a supporting rod 5056, a plurality of supporting rods 5056 are arranged and are uniformly arranged, and the outer part of the supporting rod 5056 is sleeved with a moisture absorption shell, and the moisture absorption shell is arranged in a replaceable cotton material.

[0050] When the second telescopic rod 502 is in the initial state, the curved knife 507 is in the surrounding plate 5051. The telescopic bent rod 5054 is opened to the first stroke, the telescopic bent rod 5054 drives the arc-shaped scraper 5055 to move downward, the arc-shaped scraper 5055 is in contact with the curved knife 507, the curved knife 507 is simply cleaned, and the impurities are separated from the curved knife 507. Then the telescopic bent rod 5054 is opened to the second stroke, the moisture absorption shell outside the supporting rod 5056 is in contact with the curved knife 507, and the moisture outside the curved knife 507 is absorbed.

[0051] The bottom of the center column 5053 is fixedly connected with a fourth telescopic rod 5057, and the outer part of the fourth telescopic rod 5057 is fixedly connected with a blocking rod 5058, which is arranged below the arc-shaped scraper 5055.

[0052] When the curved knife 507 moves downward, the fourth telescopic rod 5057 is in the initial state, and the blocking rod 5058 is at the bottom of the curved knife 507. When the curved knife 507 is in the surrounding plate 5051, the fourth telescopic rod 5057 is in the open state, and the blocking rod 5058 is away from the curved knife 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 a screw to fix the mounting plate 1 on the harvester, and according to the height of the mounting plate 1, select the corresponding second mounting hole 304, and use a screw to fix the mounting column 2 outside the mounting plate 1, so that the moving wheel 313 falls to 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 use of the device, the used curved knife 507 can be replaced by adjusting the adjusting mechanism 5, so as to avoid long-term use of the same curved knife 507, and the curved knife 507 can be maintained.

[0056] When the curved knife 507 needs to be replaced, adjust the four third telescopic rods 509 to the initial state, at this time the second magnetic plates 510 are all in the circular groove 508, manually rotate the central shaft 305, the central shaft 305 drives the cross frame 306 to rotate, then open the two third telescopic rods 509 corresponding to the first magnetic plates 302, 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 with the two first magnetic plates 302, at this time the position of the cross frame 306 is fixed, and the curved knife 507 changes the angle.

[0057] Before the harvesting work, open the lowermost second telescopic rod 502, the second telescopic rod 502 drives the clamping seat 503, the fifth telescopic rod 506 and the curved knife 507 to move downward, adjust the stroke of the fifth telescopic rod 506, the fifth telescopic rod 506 drives the curved knife 507 to move, and the harvesting work can be started.

[0058] When the second telescopic rod 502 is in the initial state, the curved knife 507 is in the surrounding plate 5051. Open the telescopic curved rod 5054 to the first stroke, the telescopic curved rod 5054 drives the arc-shaped scraper 5055 to move downward, the arc-shaped scraper 5055 contacts the curved knife 507, and the curved knife 507 is simply cleaned, so that the impurities are separated from the curved knife 507. Then open the telescopic curved rod 5054 to the second stroke, the moisture absorption shell outside the supporting rod 5056 contacts the curved knife 507, and absorbs the moisture outside the curved knife 507.

[0059] After the harvesting work is completed, open the push rod 315 to the reciprocating mode, the push rod 315 drives the clamping frame 316 to repeatedly contact the top of the cross frame 306, the clamping frame 316 deforms correspondingly, and the vibration is transmitted to the curved knife 507, so that the impurities outside the curved knife 507 are separated.

[0060] Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A rice low stubble height harvester cutter head, comprising: a mounting plate (1), characterized in that: the outside of the mounting plate (1) is provided with a mounting column (2), and the outside of the mounting column (2) is slidably connected with a sliding ring (4); The rice low stubble height harvester cutter head further comprises: a control mechanism (3) for controlling the height of the cutter head, the control mechanism (3) is arranged outside the mounting column (2), the control mechanism (3) comprises a first telescopic rod (308) and a center shaft (305), the top of the first telescopic rod (308) is fixedly connected with a top plate (309), the bottom of the top plate (309) is fixedly connected with a connecting rod (310), the outside of the center shaft (305) is fixedly connected with a cross frame (306), the connecting rod (310) is fixedly connected with the sliding ring (4), the first telescopic rod (308) is fixedly connected at the top of the mounting column (2), and the center shaft (305) is rotatably connected outside the sliding ring (4); an adjusting mechanism (5) for replacing the cutter head and protecting the cutter head, the adjusting mechanism (5) is arranged outside the sliding ring (4), the adjusting mechanism (5) comprises a base (501), the outside of the base (501) is fixedly connected with a second telescopic rod (502), the outside of the second telescopic rod (502) is clampedly connected with a clamping seat (503), the inside of the clamping seat (503) is fixedly connected with a fifth telescopic rod (506), the outside of the fifth telescopic rod (506) is provided with a curved knife (507), and the base (501) is fixedly connected outside the center shaft (305); the second telescopic rod (502) and the clamping seat (503) are provided with four, and the four clamping seats (503) are slidably connected inside the cross frame (306).

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

3. A low stubble height reaper head for rice according to claim 2 wherein: The inside of the mounting column (2) is provided with a second recess (311), the inside of the second recess (311) is clampedly connected with a first clamping rod (312), the outside of the first clamping rod (312) is provided with a moving wheel (313), and the moving wheel (313) is provided with two and symmetrically arranged.

4. The low stubble height harvester head for rice according to claim 1, wherein: 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 clamping frame (316), and the clamping frame (316) is made of rubber.

5. The low stubble height harvester head for rice according to claim 1, wherein: The second clamping rod (504) is externally fixedly connected with a protection assembly (505).

6. The low stubble height harvester head for rice according to claim 1, wherein: The cross frame (306) is internally provided with a circular groove (508), the circular groove (508) is internally fixedly connected with a third telescopic rod (509), the third telescopic rod (509) is externally fixedly connected with a second magnetic plate (510), and the third telescopic rod (509) and the second magnetic plate (510) are both provided with four.

7. The low stubble height harvester head for rice according to claim 5, wherein: The protection assembly (505) comprises a fence (5051), the fence (5051) is externally fixedly connected with a fixed cylinder (5052), the fixed cylinder (5052) is internally fixedly connected with a center column (5053), the center column (5053) penetrates through the inside of the fixed cylinder (5052), the fence (5051) is provided as an L-shaped plate, and the fence (5051) is fixedly connected at the outside of the second clamping rod (504).

8. The low stubble height harvester head for rice according to claim 7, wherein: The center column (5053) is externally fixedly connected with a telescopic bent rod (5054), the bottom of the telescopic bent rod (5054) is fixedly connected with an arc-shaped scraper (5055), the arc-shaped scraper (5055) is externally fixedly connected with a support rod (5056), the support rod (5056) is provided with a plurality of support rods (5056) which are evenly arranged, and the outside of the support rod (5056) is sleeved with a moisture-proof shell.

9. The low stubble height harvester head for rice according to claim 8, wherein: The bottom of the center column (5053) is fixedly connected with a fourth telescopic rod (5057), the fourth telescopic rod (5057) is externally fixedly connected with a blocking rod (5058), and the blocking rod (5058) is arranged below the arc-shaped scraper (5055).

Images