CN220799126U - Grass winding preventing structure of combine harvester - Google Patents

Abstract

The application relates to the field of combine harvesters and discloses an anti-grass winding structure of a combine harvester, which comprises a first frame, wherein the first frame is connected with a second frame, chain type transmission assemblies are arranged at the inner bottoms of the first frame and the second frame, movable frames are arranged on the outer walls of the two sides of the second frame, movable ports are arranged on the outer walls of the two sides of the second frame in a penetrating way, threaded rods are arranged in the movable frames in a penetrating way, the tops of the two threaded rods penetrate through the movable frames, a second conical wheel is sleeved on the tops of the two threaded rods in an upward extending way, moving blocks are sleeved on the outer walls of the two threaded rods, and the two moving blocks penetrate through the two movable ports respectively and are connected with a cutter; according to the application, the cutter is driven to move downwards by the movement of the two moving blocks, so that the crop vines fed into the conveying auger can be cut into sections in advance, and the phenomenon that the crop vines are too long to wind together to cause blockage or wind the driving piece in the device is avoided, thereby influencing the use of the device.

Description

Grass winding preventing structure of combine harvester

Technical Field

The application relates to the field of combine harvesters, in particular to an anti-grass winding structure of a combine harvester.

Background

At present, a combine harvester mostly adopts a chain wheel driving chain rake structure, crops cut off by a cutting table are conveyed to a threshing separation device through a chain rake, wherein a gap bridge driving shaft is a gap bridge power input part and is also a direct connection part with the threshing separation device, when crops enter the threshing separation device from the gap bridge, the speed and the movement direction of the gap bridge driving shaft are rapidly changed due to space conversion, the gap bridge driving shaft is positioned at a junction point where the movement of the crops is rapidly changed, straws and weeds are easily wound on the driving shaft, blockage is easily caused, the driving shaft is generally additionally provided with an anti-winding device, a front roller does not exist, and in actual operation, the front roller is used as a driven shaft and also has the phenomenon of winding grass, so that the blockage and blockage situation are easily caused, and the working efficiency of the combine harvester is affected.

Disclosure of utility model

In order to solve the problems that in actual operation, the front roller is used as a driven shaft to have the phenomenon of grass winding, so that the conditions of congestion and blockage are easy to cause and the working efficiency of the combine harvester is influenced, the application provides a grass winding preventing structure of the combine harvester.

The application provides a technical scheme as follows:

The utility model provides a combine prevent twining grass structure, includes first frame, first frame coupling has the second frame, the interior bottom of first frame and second frame is equipped with chain transmission subassembly altogether, the both sides outer wall of second frame all is equipped with movable frame, just the both sides outer wall of second frame all link up and is equipped with movable mouth, the threaded rod is all worn to be equipped with in the inside of movable frame, two the top of threaded rod all runs through movable frame, and upwards extends the cover and be equipped with the second cone pulley, two the outer wall of threaded rod all overlaps and is equipped with the movable block, two the movable block runs through two movable mouths respectively, and is connected with the cutter.

Preferably, the top surface both ends of second frame all are equipped with the connecting plate, two be equipped with the bull stick between the connecting plate, the both ends of bull stick run through two connecting plates respectively, and outwards extend the cover and be equipped with first cone pulley, two first cone pulley meshes with two second cone pulley respectively and is connected.

Preferably, the connecting rod is worn to be equipped with in the inside of first frame, the outer wall cover of connecting rod is equipped with the roller, the outer wall of roller is around being equipped with and carries the auger, the both sides outer wall of second frame all is connected with the connecting rod through the axostylus axostyle, two be equipped with between the connecting rod and pull out the standing grain cylinder.

Preferably, the bottom surface of first frame is equipped with the underframe, the inside of underframe is equipped with the motor, the output of motor is equipped with the pivot, the outer wall cover of pivot is equipped with second belt pulley and third belt pulley, pull out the one end of standing grain cylinder and run through the connecting rod, and outwards extend the cover and be equipped with first belt pulley, pass through belt phase transmission connection between first belt pulley and the second belt pulley.

Preferably, the two ends of the connecting rod respectively penetrate through the first frame, a fourth belt pulley is sleeved outside the connecting rod, one end of the rotating rod penetrates through the first conical wheel, a fifth belt pulley is sleeved outside the connecting rod, and the two fourth belt pulleys are respectively in driving connection with the fifth belt pulley and the third belt pulley through belts.

In summary, the application has the following beneficial technical effects:

The rotation through the bull stick drives two first cone wheels and rotates, because two first cone wheels mesh respectively with two second cone wheels and are connected, two second cone wheels drive two threaded rods respectively and rotate promptly, the rotation of threaded rod drives two movable blocks respectively and moves down along the vertical direction of threaded rod, the removal of two movable blocks drives the cutter and moves down, thereby can cut into sections the crops vine that will feed into and carry the auger in advance, avoid crops vine overlength winding to cause the jam together, perhaps cause winding phenomenon to the inside driving piece of device, thereby influence the use of device.

Drawings

FIG. 1 is a front elevational view of a construction of an embodiment of the application;

FIG. 2 is a schematic view of the structure of the movable port according to the embodiment of the application;

fig. 3 is a schematic structural view of a threaded rod according to an embodiment of the present application.

Reference numerals illustrate: 1. a first frame; 2. conveying the auger; 3. a roller; 4. a seedling pulling roller; 5. a second frame; 6. a chain transfer assembly; 7. a connecting rod; 8. a first pulley; 9. a bottom frame; 10. a rotating shaft; 11. a second pulley; 12. a third pulley; 13. a connecting rod; 14. a fourth pulley; 15. a fifth pulley; 16. a cutter; 17. a connecting plate; 18. a movable opening; 19. a rotating rod; 20. a first cone pulley; 21. a second cone wheel; 22. a moving block; 23. a threaded rod; 24. a movable frame.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses an grass winding prevention structure of a combine harvester, referring to fig. 2-3, the grass winding prevention structure comprises a first frame 1, the first frame 1 is fixedly connected with a second frame 5, the inner bottoms of the first frame 1 and the second frame 5 are detachably provided with chain transmission components 6, the outer walls of the two sides of the second frame 5 are detachably provided with movable frames 24, the outer walls of the two sides of the second frame 5 are respectively and fixedly provided with a movable opening 18, the movable opening 18 is communicated with the movable frame 24, threaded rods 23 are respectively and penetratingly arranged in the movable frame 24, two ends of the threaded rods 23 are respectively and rotatably connected with the movable frame 24, the tops of the two threaded rods 23 are respectively penetrated through the movable frame 24, a second conical wheel 21 is fixedly sleeved on the upward extension, the outer walls of the two threaded rods 23 are respectively sleeved with a movable block 22, the movable block 22 is in threaded connection with the threaded rod 23, the two movable blocks 22 are respectively penetrated through the two movable openings 18, the movable blocks 22 are detachably connected with a cutter 16, two ends of the second frame 5 are fixedly provided with connecting plates 17, 19 are respectively and rotatably connected with the two conical wheels 17, two conical wheels 20 are respectively driven by two conical wheels 20 respectively, two conical wheels 20 are respectively meshed with the two conical wheels 20 respectively and are respectively and rotatably connected with the two conical wheels 21, two conical wheels 20 respectively and are respectively and rotatably meshed with two conical wheels 20, therefore, the crop vines fed into the conveying auger 2 can be cut into sections in advance, and the phenomenon that the crop vines are excessively long and wound together or wound on a driving piece in the device is avoided, so that the use of the device is affected.

Referring to fig. 1-2, a connecting rod 13 is penetrated inside a first frame 1, two ends of the connecting rod 13 are respectively connected with the first frame 1 in a rotating way, a roller 3 is fixedly sleeved on the outer wall of the connecting rod 13, a conveying auger 2 is fixedly wound on the outer wall of the roller 3, connecting rods 7 are movably connected on the outer walls of two sides of a second frame 5 through shaft rods, a seedling pulling roller 4 is fixedly arranged between the two connecting rods 7, a bottom frame 9 is fixedly arranged on the bottom surface of the first frame 1, a motor is detachably arranged inside the bottom frame 9, a rotating shaft 10 is arranged at the output end of the motor, a second belt pulley 11 and a third belt pulley 12 are fixedly sleeved on the outer wall of the rotating shaft 10, one end of the seedling pulling roller 4 penetrates through the connecting rod 7, a first belt pulley 8 is fixedly sleeved outside in an extending way, the first belt pulley 8 and the second belt pulley 11 are in transmission connection through a belt, two ends of the connecting rod 13 respectively penetrate through the first frame 1, the fourth belt pulley 14 is fixedly sleeved outside the rotary rod 19, one end of the rotary rod 19 penetrates through the first conical pulley 20, the fifth belt pulley 15 is fixedly sleeved outside the rotary rod 19, the two fourth belt pulleys 14 are respectively in driving connection with the fifth belt pulley 15 and the third belt pulley 12 through belts, the rotary shaft 10 is driven to rotate through the output end of a motor, the second belt pulley 11 and the third belt pulley 12 are driven to rotate through the rotation of the rotary shaft 10, the first belt pulley 8 and the second belt pulley 11 are in driving connection through belts, the two fourth belt pulleys 14 are respectively in driving connection with the fifth belt pulley 15 and the third belt pulley 12 through belts, namely the fourth belt pulley 14 drives the connecting rod 13 to rotate, the first belt pulley 8 drives the seedling pulling roller 4 to rotate, the fifth belt pulley 15 drives the rotary rod 19 to rotate, thereby harvesting crops through the seedling pulling roller 4, and the crops are transported to the next operation procedure through the roller 3, the transporting auger 2 and the chain type transporting assembly 6.

The implementation principle of one embodiment of the application is as follows: when the crop harvester is used, the output end of the motor drives the rotating shaft 10 to rotate, the rotation of the rotating shaft 10 drives the second belt pulley 11 and the third belt pulley 12 to rotate, and as the first belt pulley 8 and the second belt pulley 11 are in transmission connection through the belt, and the two fourth belt pulleys 14 are respectively in transmission connection with the fifth belt pulley 15 and the third belt pulley 12 through the belt, namely the fourth belt pulley 14 drives the connecting rod 13 to rotate, the first belt pulley 8 drives the seedling pulling roller 4 to rotate, the fifth belt pulley 15 drives the rotating rod 19 to rotate, so that crops are harvested through the seedling pulling roller 4, and the crops are conveyed to the next operation procedure through the roller 3, the conveying auger 2 and the chain type conveying assembly 6;

And drive two first cone pulleys 20 through the rotation of bull stick 19 and rotate, because two first cone pulleys 20 mesh respectively with two second cone pulleys 21 and be connected, two second cone pulleys 21 drive two threaded rods 23 respectively and rotate, the rotation of threaded rods 23 drives two movable blocks 22 respectively and moves down along the vertical direction of threaded rods 23, the removal of two movable blocks 22 drives cutter 16 and moves down, thereby can cut into sections to the crops vine that will feed into and carry auger 2 in advance, avoid crops vine overlength winding together or cause winding phenomenon to the drive piece inside the device, thereby influence the use of device.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (5)

1. Grass winding preventing structure of combine harvester, including first frame (1), its characterized in that: the utility model discloses a movable cutter, including first frame (1), second frame (5), chain transmission subassembly (6) are equipped with in the interior bottom of first frame (1) and second frame (5) altogether, the both sides outer wall of second frame (5) all is equipped with movable frame (24), just the both sides outer wall of second frame (5) all link up and are equipped with movable mouth (18), threaded rod (23) are all worn to the inside of movable frame (24), two the top of threaded rod (23) all runs through movable frame (24), and upwards extends the cover and be equipped with second cone wheel (21), two the outer wall of threaded rod (23) all overlaps and is equipped with movable block (22), two movable block (22) run through two movable mouths (18) respectively, and are connected with cutter (16).

2. The grass-wrapping prevention structure of a combine harvester according to claim 1, wherein: the top surface both ends of second frame (5) all are equipped with connecting plate (17), two be equipped with bull stick (19) between connecting plate (17), two connecting plates (17) are run through respectively at the both ends of bull stick (19), and outwards extend the cover and be equipped with first cone pulley (20), two first cone pulley (20) are connected with two second cone pulley (21) meshing respectively.

3. The grass-entanglement preventing structure of combine harvester according to claim 2, wherein: the novel seedling pulling machine is characterized in that a connecting rod (13) is arranged in the first frame (1) in a penetrating manner, a roller (3) is sleeved on the outer wall of the connecting rod (13), a conveying auger (2) is arranged on the outer wall of the roller (3) in a winding manner, connecting rods (7) are connected to the outer walls of the two sides of the second frame (5) through shaft rods, and a seedling pulling roller (4) is arranged between the two connecting rods (7).

4. A combine harvester anti-grass-entanglement structure according to claim 3, characterized in that: the bottom surface of first frame (1) is equipped with underframe (9), the inside of underframe (9) is equipped with the motor, the output of motor is equipped with pivot (10), the outer wall cover of pivot (10) is equipped with second belt pulley (11) and third belt pulley (12), pull out one end of standing grain cylinder (4) and run through connecting rod (7), and outwards extend the cover and be equipped with first belt pulley (8), drive through the belt between first belt pulley (8) and second belt pulley (11) and be connected.

5. The grass-wrapping prevention structure of a combine harvester according to claim 4, wherein: the two ends of the connecting rod (13) respectively penetrate through the first frame (1), a fourth belt pulley (14) is sleeved outside the connecting rod, one end of the rotating rod (19) penetrates through the first conical wheel (20), a fifth belt pulley (15) is sleeved outside the connecting rod, and the two fourth belt pulleys (14) are respectively in transmission connection with the fifth belt pulley (15) and the third belt pulley (12) through belts.