CN213427095U

CN213427095U - Diameter-variable reel of combine harvester for ratooning rice and crops in different growth states

Info

Publication number: CN213427095U
Application number: CN202020555832.0U
Authority: CN
Inventors: 陈安娅; 李耀明; 刘晓霞; 王晗昊
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-06-15
Anticipated expiration: 2030-04-15

Abstract

The utility model provides a variable-diameter reel for a combine harvester for regenerating rice and crops in different growth states, comprising: a reel drive shaft, two reel discs, several reel rods, and two gear mechanisms , drive source, drive transmission shaft; the reel disc includes a spoke disc and a number of spokes, the spoke disc is installed on the reel drive shaft, the spoke disc is provided with several card grooves, the card grooves correspond to the spokes one-to-one, the spokes are One end is inserted into the card slot and can slide along the card slot; the gear mechanism includes a first gear and a second gear, the second gear is sleeved on the drive shaft of the reel, and the second gear is provided with a number of chutes for sliding The grooves correspond to the spokes one-to-one, the spokes are provided with bumps, the bumps are slidably connected with the chute, the first gear is installed on the drive transmission shaft, the first gear meshes with the second gear, and the drive source is connected with the drive transmission shaft. The utility model can adjust the diameter of the reel in real time.

Description

Diameter-variable reel of combine harvester for ratooning rice and crops in different growth states

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a diameter-variable reel of a combine harvester for regenerated rice and crops with different growth states.

Background

With the improvement of social productivity and the progress of science and technology, agriculture gradually goes to modernization. In modern agriculture, harvesting machines are the devices that perform crop harvesting, one of the most important agricultural machines. The reel is an important part of the harvester, and the diameter of the reel is different according to different crop varieties and growth states and uneven field ground. The existing reel wheels are all reel wheels with fixed diameters, and the diameters of the reel wheels are already determined in the manufacturing process. Therefore, the harvester cannot adapt to crops in different growth states in real time during field work, and the harvesting efficiency and the harvesting effect during work are influenced.

SUMMERY OF THE UTILITY MODEL

To the prior art in exist not enough, the utility model provides a combine variable diameter reel for ratooning rice and different growth state crops can carry out reel diameter in real time and adjust.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

A combine variable diameter reel for ratooning rice and crops of different growth states, comprising: a reel transmission shaft, two reel discs, a plurality of reel rods, two gear mechanisms, a driving source and a driving transmission shaft;

the reel wheel disc comprises a spoke disc and a plurality of spokes, the spoke disc is coaxially and fixedly arranged on the reel wheel transmission shaft, a plurality of clamping grooves are formed in the spoke disc, the clamping grooves are arranged along the radial direction of the spoke disc, the notches of the clamping grooves face outwards, the clamping grooves correspond to the spokes one by one, one ends of the spokes are inserted into the clamping grooves and can slide along the clamping grooves, the number of the spokes is the same as that of the reel wheel rods, and the reel wheel rods are connected with the corresponding spokes on the two reel wheel discs;

gear mechanism with reel wheel dish one-to-one, gear mechanism includes first gear and second gear, the second gear cover is located reel wheel transmission shaft is last, be equipped with a plurality of spouts on the second gear, the spout with the spoke one-to-one, be equipped with the lug on the spoke, the lug stretch into extremely in the spout, and with spout sliding connection, first gear install in on the final drive shaft, first gear and second gear meshing, the driving source with the final drive shaft is connected.

Furthermore, a limiting block is further arranged on the spoke, and the limiting block is located outside the side face of the second gear and connected with the protruding block.

Furthermore, the limiting block is connected with the limiting block through a countersunk screw.

Further, the lug is cylindrical, and the height of the lug is not less than the thickness of the second gear.

The utility model has the advantages that:

the utility model discloses a make and produce the difference in rotation speed between second gear and the spoke dish for the spoke slides along the draw-in groove, thereby the change of control reel diameter has avoided the problem of dialling that leaks that produces when deciding the diameter reel results, reduces and reaps the loss of process rice, improves reel work efficiency.

Drawings

Fig. 1 is a schematic structural view of a diameter-variable reel of a combine harvester for regenerating rice and crops with different growth states according to an embodiment of the utility model;

fig. 2 is a side view of fig. 1.

Reference numerals:

1. a spoke pan; 2. a reel rod; 3. spokes; 4. a reel transmission shaft; 5. a second gear; 6. a limiting block; 7. countersunk head screws; 8. a first gear; 9. the drive shaft is driven.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes a combine harvester variable diameter reel for ratooning rice and crops with different growth states according to an embodiment of the present invention with reference to the accompanying drawings.

Referring to fig. 1 and 2, a diameter-variable reel of a combine harvester for recycling rice and crops with different growth states according to an embodiment of the present invention includes a reel transmission shaft 4, two reel disks, a plurality of reel rods 2, two gear mechanisms, a driving source, and a driving transmission shaft 9.

Specifically, two reel wheel discs are located the both ends of reel transmission shaft 4 respectively, the reel wheel disc includes spoke dish 1 and a plurality of spoke 3, coaxial fixed mounting in reel transmission shaft 4 of spoke dish 1 is equipped with a plurality of draw-in grooves on the spoke dish 1, the draw-in groove sets up along the radial of spoke dish 1, and the notch of draw-in groove outwards, draw-in groove and 3 one-to-one of spoke, the one end of spoke 3 inserts to the draw-in groove in, and can slide along the draw-in groove, the number of spoke 3 is the same with the number of reel pole 2, the both ends of reel pole 2 respectively with two reel wheel disc on corresponding spoke 3 fixed connection.

The gear mechanism is in one-to-one correspondence with the reel disks, the gear mechanism comprises a first gear 8 and a second gear 5, the reel transmission shaft 4 is sleeved with the second gear 5, a plurality of sliding grooves are formed in the second gear 5, the sliding grooves are in one-to-one correspondence with the spokes 3, cylindrical bumps are arranged on the spokes 3 and extend into the sliding grooves, the heights of the bumps are not smaller than the thickness of the second gear 5, the two gears are in clearance fit, and relative sliding can be formed.

Still be equipped with stopper 6 on spoke 3, stopper 6 is located outside the side of second gear 5 to be connected with the lug through countersunk nut 7 for the axial position of restriction second gear 5, when spoke 3 slided along the draw-in groove, the lug slided in the spout on second gear 5.

First gear 8 is installed on drive transmission shaft 9, and first gear 8 and the meshing of second gear 5, the driving source is connected with drive transmission shaft 9, makes drive transmission shaft 9 rotate to make two first gears 8 rotate, and then make two second gears 5 rotate.

The utility model discloses a theory of operation:

the rotating speed of the reel is determined by the rotating speed of the reel transmission shaft 4, the rotating speed of the second gear 5 is determined by the rotating speed of the driving gear 8, and when the reel works in a fixed diameter, the rotating speed of the reel transmission shaft 4 is the same as the rotating speed of the second gear 5, so that the reel and the driving gear are kept synchronous. When the diameter of the reel needs to be changed, the rotating speed of the first gear 8 is changed through the driving source, so that the rotating speed of the second gear 5 is changed, a rotating speed difference is generated between the second gear 5 and the reel, the spoke 3 slides along the clamping groove, the diameter change of the reel is controlled, and the stroke of the spoke 3, namely the diameter adjustable range of the reel, is determined by the length of the sliding groove on the second gear 5 and the inclination angle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims

1. a combined harvester variable diameter reel for regenerating rice and crops in different growth states, is characterized in that, comprising: reel drive shaft (4), two reel discs, some reel bars ( 2), two gear mechanisms, a driving source, and a driving transmission shaft (9);

The reel disc comprises a spoke disc (1) and a plurality of spokes (3), the spoke disc (1) is fixedly mounted on the reel drive shaft (4) coaxially, and the spoke disc (1) A number of card slots are provided thereon, the card grooves are arranged along the radial direction of the spoke plate (1), and the notch of the card groove faces outward, and the card grooves correspond to the spokes (3) one-to-one , one end of the spokes (3) is inserted into the card slot, and can slide along the card slot, the number of the spokes (3) is the same as the number of the reel rods (2), so The reel bar (2) is connected with the corresponding spokes (3) on the two reel discs;

The gear mechanism is in one-to-one correspondence with the reel, the gear mechanism includes a first gear (8) and a second gear (5), and the second gear (5) is sleeved on the reel On the transmission shaft (4), the second gear (5) is provided with a plurality of sliding grooves, the sliding grooves are in one-to-one correspondence with the spokes (3), and the spokes (3) are provided with bumps, so The protruding block protrudes into the chute and is slidably connected with the chute, the first gear (8) is mounted on the drive transmission shaft (9), and the first gear (8) is connected to the The second gear (5) is engaged, and the drive source is connected with the drive transmission shaft (9).

2. The variable-diameter reel for combine harvester for regenerating rice and crops in different growth states according to claim 1, characterized in that, said spokes (3) are also provided with limit blocks (6), said limit The position block (6) is located outside the side surface of the second gear (5) and is connected with the protrusion.

3. The variable-diameter reel for a combine harvester for regenerating rice and crops in different growth states according to claim 2, wherein the limit block (6) is connected to the limiter through a countersunk head screw (7). Bit block (6) connection.

4 . The variable-diameter reel for a combine harvester for regenerated rice and crops in different growth states according to claim 1 , wherein the bump is cylindrical, and the height of the bump is not less than the height of the first bump. 5 . Thickness of the second gear (5).