CN220545502U - Header of rice harvester - Google Patents

Abstract

The utility model discloses a rice harvester header, relates to the technical field of rice harvester headers, and aims to solve the problems that an existing rice harvester header is complex in structure, easy to wind grass and high in loss rate. One end of the frame is provided with a first gear box, the other end of the frame is provided with a second gear box, the first gear box is driven by a connecting rod in the frame, the upper surface of the second gear box is provided with a cutter assembly, and one side of the cutter assembly is provided with a crank; further comprises: the driving shaft sleeve seat is arranged on one side of the second gear box, a seedling dividing sharp plate is arranged on one side of the driving shaft sleeve seat, the driving shaft sleeve seat and the seedling dividing sharp plate are both fixed on the surface of the frame, a first rod pin is arranged on one side of the driving shaft sleeve seat, and a second rod pin is arranged on one side of the first rod pin; the support frame, it sets up between first pole round pin and the second pole round pin, and the support frame is fixed with the frame, the outside of support frame is provided with the connecting seat.

Description

Header of rice harvester

Technical Field

The utility model relates to the technical field of rice harvester headers, in particular to a rice harvester header.

Background

The harvester is a machine for directly harvesting grains of corn, rice and wheat from the straw, and the automatic harvester is relatively large and expensive, but replaces the traditional harvester, wheat thresher and rice thresher, and is relatively advanced.

However, the existing rice harvester header has complex structure, is easy to wind grass and has high loss rate; therefore, the existing requirements are not met, and a rice harvester header is provided for the current requirements.

Disclosure of Invention

The utility model aims to provide a rice harvester header, which aims to solve the problems that the existing rice harvester header provided in the background art is complex in structure, easy to wind grass and high in loss rate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a harvesting header for a rice harvester, comprising: the device comprises a rack, wherein a first gear box is arranged at one end of the rack, a second gear box is arranged at the other end of the rack, the first gear box is driven by a connecting rod in the rack, a cutter assembly is arranged on the upper surface of the second gear box, and a crank is arranged on one side of the cutter assembly;

further comprises:

the driving shaft sleeve seat is arranged on one side of the second gear box, a seedling dividing sharp plate is arranged on one side of the driving shaft sleeve seat, the driving shaft sleeve seat and the seedling dividing sharp plate are both fixed on the surface of the frame, a first rod pin is arranged on one side of the driving shaft sleeve seat, and a second rod pin is arranged on one side of the first rod pin;

the support frame, it sets up between first pole round pin and the second pole round pin, and the support frame is fixed with the frame, the outside of support frame is provided with the connecting seat, and the one end and the connecting seat upper end sliding connection of support frame, the other pot head of support frame is outside the drive axle sleeve seat, the outside of first pole round pin is provided with the second spring spare, the outside of second pole round pin is provided with first spring spare.

Preferably, a driving shaft is arranged in the driving shaft sleeve seat, the driving shaft is rotationally connected with the driving shaft sleeve seat, and a driving belt pulley is arranged at one end of the driving shaft.

Preferably, the lower end cover of support frame is inside to be provided with driven shaft, and driven shaft and support frame rotate to be connected, driven shaft's one end is provided with driven pulley, driven shaft's the other end is provided with driven pulley down, be provided with middle driven pulley down between driven pulley and the last driven pulley, be connected through the belt drive of standing grain of holding up between driving pulley and the last driven pulley, the outer wall of belt of holding up standing grain is provided with the tooth of holding up standing grain, and holds up standing grain tooth and be provided with a plurality of.

Preferably, the one end of support frame upper end is provided with the take-up pulley support, the terminal other end is provided with down the take-up pulley support on the support frame, one side of going up the take-up pulley support is provided with the tensioning belt pulley, the outside first shelves grass board of going up the tensioning belt pulley, one side of going up the tensioning belt pulley is provided with first shelves grass round pin, one side of going down the take-up pulley support is provided with down the tensioning belt pulley, the outside of tensioning belt pulley is provided with the second shelves grass board down, one side of tensioning belt pulley is provided with the second shelves grass round pin down, the horizontal direction of going up the tensioning belt pulley is provided with the take-up pulley.

Preferably, a first belt is arranged between the upper tensioning pulley and the middle driven pulley, and a second belt is arranged between the lower tensioning pulley and the lower driven pulley.

Preferably, a sixth grass blocking pin is arranged on one side of the support frame, one end of the sixth grass blocking pin is connected with the support frame through a third pin rod and a fourth pin rod, a third grass blocking pin is arranged on one side of the sixth grass blocking pin, a fourth grass blocking pin is arranged on one side of the third grass blocking pin, a fifth grass blocking pin is arranged on one side of the fourth grass blocking pin, and one ends of the third grass blocking pin, the fourth grass blocking pin and the fifth grass blocking pin are connected with the support frame through a fifth pin rod and a sixth pin rod.

Preferably, the grass preventing plate is arranged outside the third pin rod and is connected and installed above the seedling lifting belt through the third pin rod and the sixth pin rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model relates to a seedling lifting belt assembly which is driven by connecting a driving belt pulley and an upper driven belt pulley through a seedling lifting belt, and an upper driving belt assembly device and a lower driving belt assembly device; the device comprises a first belt, a second belt, a driving shaft sleeve seat, a connecting seat, a first rod pin, a second rod pin, a first spring piece, a driving belt pulley, a plurality of belt tensioning wheels, a driving shaft, a second gear box, a first harvesting conveying device, a second harvesting conveying device, a horn-shaped front end opening and a rear end opening, wherein the driving shaft sleeve seat and the connecting seat are used for fixedly connecting a driving shaft sleeve seat and the connecting seat of a supporting frame; the front end both inner sides are provided with respectively and hold up standing grain belt, hold up standing grain tooth device, install and set up the two-layer driving belt of two sets of transmission coupling mechanism of several take-up pulley and set up S shape or Z shape, guarantee that two driving belt backs keep elastic contact, the straw is held up standing grain tooth that holds up on standing grain belt and is upwards received, the lower extreme of straw is cut off with the root separation by the cutting knife in the cutting knife subassembly simultaneously, the straw is held between two driving belt backs of a row of harvesting conveyor' S upper and lower two-layer setting into S shape or Z shape, fall into threshing chamber after the straw is pressed from both sides to upper end afterbody nature, a rice harvester header characterized in that comprises a plurality of rows of harvesting conveyor: the front end of the horn is open, the rear end is small, and a seedling dividing sharp plate is arranged between each two rows of harvesting and conveying devices to divide the seedlings into rows; the whole header has simple structure and is flexibly assembled and disassembled, and the width of the header is flexibly assembled and disassembled according to the size of a harvesting field; the header keeps the rice straw upright state in the conveying process, is stably clamped by the upper layer belt and the lower layer belt and is not dithered, grass winding and smooth conveying are avoided, and the loss rate is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the overall structure of the present utility model;

in the figure: 1. a frame; 2. a first gear box; 3. a second gear box; 4. a connecting rod; 5. a cutter assembly; 6. a crank; 7. a seedling dividing tip plate; 8. a driving shaft sleeve seat; 9. a drive shaft; 10. a driving pulley; 11. a seedling lifting belt; 12. seedling supporting teeth; 13. an upper driven pulley; 14. a driven rotating shaft; 15. an intermediate driven pulley; 16. a lower driven pulley; 17. a first belt; 18. an upper tensioning pulley; 19. a first grass blocking plate; 20. a first grass pin; 21. a tensioning wheel bracket is arranged; 22. a second belt; 23. a lower tensioning pulley; 24. a second grass blocking plate; 25. a second grass pin; 26. a lower tensioning wheel bracket; 27. a tensioning wheel; 28. a support frame; 29. a connecting seat; 30. a first bar pin; 31. a second bar pin; 32. a first spring member; 33. a third pin; 34. a second spring member; 35. a sixth gear grass pin; 36. a fourth pin; 37. a fifth pin; 38. a sixth pin; 39. a third grass pin; 40. a fourth grass pin; 41. fifth gear grass pin; 42. grass protection plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, an embodiment of the present utility model is provided: a harvesting header for a rice harvester, comprising: the device comprises a frame 1, wherein a first gear box 2 is arranged at one end of the frame 1, a second gear box 3 is arranged at the other end of the frame 1, the first gear box 2 is driven by a connecting rod 4 in the frame 1, a cutter assembly 5 is arranged on the upper surface of the second gear box 3, and a crank 6 is arranged on one side of the cutter assembly 5;

further comprises:

the driving shaft sleeve seat 8 is arranged on one side of the second gear box 3, a seedling dividing tip plate 7 is arranged on one side of the driving shaft sleeve seat 8, the driving shaft sleeve seat 8 and the seedling dividing tip plate 7 are both fixed on the surface of the frame 1, a first rod pin 30 is arranged on one side of the driving shaft sleeve seat 8, and a second rod pin 31 is arranged on one side of the first rod pin 30;

the support frame 28, it sets up between first pole round pin 30 and second pole round pin 31, and support frame 28 is fixed with frame 1, and the outside of support frame 28 is provided with connecting seat 29, and the one end and the upper end sliding connection of connecting seat 29 of support frame 28, and the other end cover of support frame 28 is outside driving axle sleeve seat 8, and the outside of first pole round pin 30 is provided with second spring piece 34, and the outside of second pole round pin 31 is provided with first spring piece 32.

The compression amount of the first spring element 32 and the second spring element 34 reaches the radial movement distance of the movable supporting frame 28 relative to the driving shaft sleeve seat 8, the first gear box 2 is transmitted to the second gear box 3 through the connecting rod 4, and the internal transmission part of the second gear box 3 is connected to drive the driving shaft 9 and the driving belt pulley 10 to rotate; the driving belt pulley 10 drives the upper driven belt pulley 13 to rotate through the seedling lifting belt 11; the upper driven belt pulley 13 drives the driven rotating shaft 14, the middle driven belt pulley 15 and the lower driven belt pulley 16 to rotate, the horn-shaped front end is open, the rear end is small, and a grain dividing tip plate 7 is arranged between each row of harvesting and conveying devices to divide grains into rows; the whole header has simple structure and is flexibly assembled and disassembled, and the width of the header is flexibly assembled and disassembled according to the size of a harvesting field; the header keeps the rice straw upright state in the conveying process, is stably clamped by the upper layer belt and the lower layer belt and is not dithered, grass winding and smooth conveying are avoided, and the loss rate is greatly reduced.

Referring to fig. 1, a driving shaft 9 is disposed inside a driving bushing seat 8, and the driving shaft 9 is rotatably connected with the driving bushing seat 8, and a driving pulley 10 is disposed at one end of the driving shaft 9 to realize rotation of the driving pulley 10.

Referring to fig. 1, a driven rotating shaft 14 is arranged inside a lower end sleeve of a supporting frame 28, the driven rotating shaft 14 is rotationally connected with the supporting frame 28, an upper driven pulley 13 is arranged at one end of the driven rotating shaft 14, a lower driven pulley 16 is arranged at the other end of the driven rotating shaft 14, a middle driven pulley 15 is arranged between the lower driven pulley 16 and the upper driven pulley 13, a driving pulley 10 is in transmission connection with the upper driven pulley 13 through a seedling lifting belt 11, seedling lifting teeth 12 are arranged on the outer wall of the seedling lifting belt 11, a plurality of seedling lifting teeth 12 are arranged, a first gear box 2 is transmitted to a second gear box 3 through a connecting rod 4, and an internal transmission part of the second gear box 3 is connected to drive a driving shaft 9 and the driving pulley 10 to rotate; the driving belt pulley 10 drives the upper driven belt pulley 13 to rotate through the seedling lifting belt 11; the upper driven pulley 13 drives the driven rotation shaft 14, the intermediate driven pulley 15 and the lower driven pulley 16 to rotate.

Referring to fig. 1 and 2, an upper tensioning wheel support 21 is disposed at one end of an upper end of a supporting frame 28, a lower tensioning wheel support 26 is disposed at the other end of the upper end of the supporting frame 28, an upper tensioning pulley 18 is disposed at one side of the upper tensioning wheel support 21, a first grass blocking plate 19 is disposed at the outer portion of the upper tensioning pulley 18, a first grass blocking pin 20 is disposed at one side of the upper tensioning pulley 18, a lower tensioning pulley 23 is disposed at one side of the lower tensioning wheel support 26, a second grass blocking plate 24 is disposed at the outer portion of the lower tensioning pulley 23, a second grass blocking pin 25 is disposed at one side of the lower tensioning pulley 23, a tensioning wheel 27 is disposed at the horizontal direction of the upper tensioning pulley 18, the first grass blocking plate 19 and the second grass blocking plate 24 have a function of blocking grass from being wound into a belt, and the first grass blocking pin 20 and the second grass blocking pin 25 have a function of blocking grass from being wound into a belt groove.

Referring to fig. 1 and 2, a first belt 17 is disposed between the upper tensioning pulley 18 and the middle driven pulley 15, a second belt 22 is disposed between the lower tensioning pulley 23 and the lower driven pulley 16, and the upper tensioning pulley 18 and the middle driven pulley 15 are driven, and the lower tensioning pulley 23 and the lower driven pulley 16 are driven.

Referring to fig. 1, a sixth grass blocking pin 35 is disposed on one side of the support 28, one end of the sixth grass blocking pin 35 is mounted on the support 28 through a third pin rod 33 and a fourth pin rod 36, a third grass blocking pin 39 is disposed on one side of the sixth grass blocking pin 35, a fourth grass blocking pin 40 is disposed on one side of the third grass blocking pin 39, a fifth grass blocking pin 41 is disposed on one side of the fourth grass blocking pin 40, one ends of the third grass blocking pin 39, the fourth grass blocking pin 40 and the fifth grass blocking pin 41 are mounted on the support 28 through a fifth pin rod 37 and a sixth pin rod 38, the fifth grass blocking pin 41, and the third grass blocking pin 39, the fourth grass blocking pin 40 and the fifth grass blocking pin 41 have a function of blocking grass from being rolled into a pulley groove.

Referring to fig. 1, a grass preventing plate 42 is disposed outside the third pin 33, the grass preventing plate 42 is connected and installed above the grain lifting belt 11 through the third pin 33 and the sixth pin 38, and the grass preventing plate 42 prevents straw from being rolled into the grain lifting belt 11, so that the grain lifting belt is ensured to be driven more smoothly.

Working principle: when in use, a supporting frame 28, a seedling lifting belt 11 assembly which is driven by connecting a driving belt pulley 10 and an upper driven belt pulley 13 by using a seedling lifting belt 11, and an upper driving belt assembly and a lower driving belt assembly are arranged; the driving shaft sleeve seat 8 and the connecting seat 29 are respectively driven by the first belt 17 and the second belt 22 and are used for fixedly connecting the supporting frame 28, the first rod pin 30, the second rod pin 31 and the first spring piece 32 are used for adjusting the moving supporting frame 28, the driving pulley 10 and the upper driven pulley 13 are connected and driven by the grain lifting belt 11, the plurality of belt tension pulleys 27 are arranged on the supporting frame 28, the driving shafts 9 are oppositely arranged as independent groups of driving connecting mechanisms, the driving shafts 9 of each group of driving connecting mechanisms are connected with the internal driving piece of the second gear box 3 and are powered by a power machine or a motor, each two groups of driving connecting mechanisms are oppositely arranged as a single row of harvesting and conveying device, the horn-shaped front end opening is large, and the rear end is small; the two inner sides of the front end are respectively provided with a grain lifting belt 11 and a grain lifting tooth 12 device, a plurality of tensioning wheels 27 are arranged to set the upper layer and the lower layer of transmission belts of the two groups of transmission connecting mechanisms into an S shape or a Z shape, the back parts of the two transmission belts are ensured to keep elastic contact, the grain straw is arranged on the grain lifting belt 11, the grain lifting teeth 12 are retracted upwards inwards, the lower end of the grain straw is cut off by a cutting knife in a cutting knife assembly 5 and separated from the root part, the grain straw is clamped between the back parts of the two transmission belts of which the upper layer and the lower layer are arranged into the S shape or the Z shape of a row of harvesting conveying device, and when the grain straw is clamped to the tail part of the upper end, the upper layer of transmission belt falls into a threshing chamber naturally, and the cutting table of the rice harvester is characterized in that the grain harvesting conveying device consists of a plurality of rows of harvesting conveying devices: the front end of the horn is open, the rear end is small, and a seedling dividing tip plate 7 is arranged between each two rows of harvesting and conveying devices to divide the seedlings into rows; the whole header has simple structure and is flexibly assembled and disassembled, and the width of the header is flexibly assembled and disassembled according to the size of a harvesting field; the header keeps the rice straw upright state in the conveying process, is stably clamped by the upper layer belt and the lower layer belt and is not dithered, grass winding and smooth conveying are avoided, and the loss rate is greatly reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a rice harvester header, includes frame (1), the one end of frame (1) is provided with first gear box (2), the other end of frame (1) is provided with second gear box (3), first gear box (2) are through the inside connecting rod (4) transmission of frame (1), the upper surface of second gear box (3) is provided with cutting knife subassembly (5), one side of cutting knife subassembly (5) is provided with crank (6);

the method is characterized in that: further comprises:

the driving shaft sleeve seat (8) is arranged on one side of the second gear box (3), a seedling dividing tip plate (7) is arranged on one side of the driving shaft sleeve seat (8), the driving shaft sleeve seat (8) and the seedling dividing tip plate (7) are both fixed on the surface of the frame (1), a first rod pin (30) is arranged on one side of the driving shaft sleeve seat (8), and a second rod pin (31) is arranged on one side of the first rod pin (30);

the support frame (28), it sets up between first pole round pin (30) and second pole round pin (31), and support frame (28) are fixed with frame (1), the outside of support frame (28) is provided with connecting seat (29), and the one end and the connecting seat (29) upper end sliding connection of support frame (28), the other pot head of support frame (28) is outside driving axle sleeve seat (8), the outside of first pole round pin (30) is provided with second spring piece (34), the outside of second pole round pin (31) is provided with first spring piece (32).

2. A harvesting header of a rice harvester as in claim 1, wherein: the inside of drive axle sleeve seat (8) is provided with drive shaft (9), and drive shaft (9) are connected with drive axle sleeve seat (8) rotation, one end of drive shaft (9) is provided with driving pulley (10).

3. A harvesting header of a rice harvester as in claim 2, wherein: the automatic seedling raising device is characterized in that a driven rotating shaft (14) is arranged inside a lower tail end sleeve of the supporting frame (28), the driven rotating shaft (14) is rotationally connected with the supporting frame (28), an upper driven pulley (13) is arranged at one end of the driven rotating shaft (14), a lower driven pulley (16) is arranged at the other end of the driven rotating shaft (14), an intermediate driven pulley (15) is arranged between the lower driven pulley (16) and the upper driven pulley (13), the driving pulley (10) is in transmission connection with the upper driven pulley (13) through a seedling raising belt (11), seedling raising teeth (12) are arranged on the outer wall of the seedling raising belt (11), and a plurality of seedling raising teeth (12) are arranged.

4. A harvesting header of a rice harvester as in claim 3, wherein: the utility model discloses a tensioning device for the grass, including support frame (28), tensioning pulley support (21), tensioning pulley support (26), tensioning pulley support (18) are provided with on one side of support frame (28), outside first shelves grass board (19) of tensioning pulley (18) are gone up, one side of tensioning pulley (18) is provided with first shelves grass round pin (20), one side of tensioning pulley support (26) is provided with tensioning pulley (23) down, the outside of tensioning pulley (23) is provided with second shelves grass board (24) down, one side of tensioning pulley (23) is provided with second shelves grass round pin (25) down, the horizontal direction of tensioning pulley (18) is provided with take-up pulley (27).

5. The rice harvester header of claim 4, wherein: a first belt (17) is arranged between the upper tensioning pulley (18) and the middle driven pulley (15), and a second belt (22) is arranged between the lower tensioning pulley (23) and the lower driven pulley (16).

6. A harvesting header of a rice harvester as in claim 1, wherein: one side of support frame (28) is provided with sixth shelves grass round pin (35), sixth shelves grass round pin (35) one end is connected through third round pin pole (33) and fourth round pin pole (36) and is installed on support frame (28), one side of sixth shelves grass round pin (35) is provided with third shelves grass round pin (39), one side of third shelves grass round pin (39) is provided with fourth shelves grass round pin (40), one side of fourth shelves grass round pin (40) is provided with fifth shelves grass round pin (41), one end of third shelves grass round pin (39), fourth shelves grass round pin (40) and fifth shelves grass round pin (41) is all connected through fifth round pin pole (37) and sixth round pin pole (38) and is installed on support frame (28).

7. The rice harvester header of claim 6, wherein: the outside of third round pin pole (33) is provided with grass preventing board (42), grass preventing board (42) are installed in the top of standing grain belt (11) through third round pin pole (33) and sixth round pin pole (38) connection.