CN114451153A

CN114451153A - Double-speed threshing cylinder with grass chopping device

Info

Publication number: CN114451153A
Application number: CN202210065983.1A
Authority: CN
Inventors: 盛永和; 刘凯; 籍飞超; 唐利锋; 詹德先; 李叶; 唐秋贵; 龚纳新
Original assignee: Yiyang Chuanghui Agricultural Machinery Equipment Co ltd
Current assignee: Yiyang Chuanghui Agricultural Machinery Equipment Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-05-10

Abstract

The invention discloses a double-speed threshing cylinder with a grass chopping device, which comprises a cylinder shaft, wherein a first flat key and a third flat key are respectively arranged at two ends of the center of the cylinder shaft, a low-speed threshing cylinder is sleeved at the center of the cylinder shaft, two supporting bearings are symmetrically sleeved at one end of the cylinder shaft, a cutter gear is fixedly sleeved at the periphery of each supporting bearing, a cutter body is welded at one side of the outer circumference of each cutter gear, a fastening bolt is arranged at the other side of the outer circumference of each cutter gear, one end of each fastening bolt is fixedly provided with the other cutter body, and locking bolts are respectively arranged at the peripheral edge positions of the two cutter bodies. Greatly reducing the use cost of the equipment.

Description

Double-speed threshing cylinder with grass chopping device

Technical Field

The invention relates to the technical field of agricultural instruments, in particular to a double-speed threshing cylinder with a grass chopping device.

Background

According to the requirements of agricultural technology and environmental protection, harvested and threshed objects of the grain combine harvester are either bundled to leave the field or smashed to return to the field, so that the grain combine harvester is required to be provided with a grass smashing device, and the large and medium-sized longitudinal axial flow grain combine harvesters are provided with the grass smashing device at a grass outlet independently; however, the existing small grain combine harvester has a complex structure, and is difficult to realize simultaneous threshing and straw chopping due to the limited structure, and straws are separately crushed after threshing, so that time and labor are wasted, and the use cost of equipment is increased.

Disclosure of Invention

The invention aims to provide a double-speed threshing cylinder with a grass chopping device, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a take two-speed threshing cylinder of garrulous grass device, includes the drum shaft, first parallel key and third parallel key have been seted up respectively to drum shaft center both ends, and the drum shaft center has cup jointed low-speed threshing cylinder, two support bearings have been cup jointed to drum shaft one end symmetry, and the peripheral fixed cover of support bearing has connect the blade disc gear, the welding of the outer circumference one side of blade disc gear has a blade disc body, and fastening bolt is installed to the outer circumference opposite side of blade disc gear, fastening bolt one end fixed mounting has another blade disc body, locking bolt is all installed to two blade disc body peripheral border positions, and locking bolt one end fixedly connected with garrulous grass sword.

Furthermore, a second flat key is arranged at a position, close to the end face, of one end of the roller shaft, a driving gear is fixedly sleeved at one end of the roller shaft, close to the end face, a duplicate gear is meshed at the bottom of the outer circumference of the driving gear, two fixed bearings are attached to the inner circumference of the duplicate gear, and a fixed rod is installed in the centers of the two fixed bearings.

Furthermore, a bearing seat is sleeved at one end of the fixing rod, a threshing machine body is installed on one side of the outer circumference of the bearing seat, a limiting bearing is fixedly sleeved inside the bearing seat, and the limiting bearing is fixedly installed at a position, close to the end face, of one end of the drum shaft.

Furthermore, fixing bolts are respectively installed on the top surface and the bottom surface inside the threshing machine body, a fixed knife is installed at one end of each fixing bolt, and two sides of the bottom of each fixed knife are located on two sides of the top of the grass chopping knife.

Further, the grass chopper has six, and the grass chopper is evenly installed in blade disc body one side edge position, and six equal fixedly connected with in grass chopper one side get rid of the grass piece, and six get rid of the grass piece and be the symmetric distribution.

Compared with the prior art, the invention has the following beneficial effects: the threshing device is simple in structure and low in manufacturing cost, threshed grass is crushed by the grass crushing knife after being threshed by the low-speed threshing cylinder, so that the threshing and grass crushing are synchronously carried out, the integration and functional diversity of the device are improved, special grass crushing equipment does not need to be equipped, and the use cost of the device is greatly reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is an enlarged schematic view of region A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged schematic view of the area B of FIG. 1 in accordance with the present invention;

FIG. 4 is a schematic view of the cutter head body structure of the present invention;

in the figure: 1. a first flat key; 2. a drum shaft; 3. a low-speed threshing cylinder; 4. a support bearing; 5. a cutter head gear; 6. fastening a bolt; 7. a driving gear; 8. a second flat key; 9. a bearing seat; 10. a duplicate gear; 11. fixing the bearing; 12. fixing the rod; 13. a cutter head body; 14. a third flat bond; 15. a thresher body; 16. fixing the bolt; 17. fixing a cutter; 18. a grass chopper; 19. throwing grass sheets; 20. and locking the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-speed threshing drum with a grass chopping device comprises a drum shaft 2, wherein a first flat key 1 and a third flat key 14 are respectively arranged at two ends of the center of the drum shaft 2, a low-speed threshing drum 3 is sleeved at the center of the drum shaft 2, two supporting bearings 4 are symmetrically sleeved at one end of the drum shaft 2, a cutter wheel gear 5 is fixedly sleeved at the periphery of each supporting bearing 4, one side of the outer circumference of each cutter wheel gear 5 is welded with a cutter wheel body 13, a fastening bolt 6 is arranged at the other side of the outer circumference of each cutter wheel gear 5, one end of each fastening bolt 6 is fixedly provided with another cutter wheel body 13, locking bolts 20 are respectively arranged at the peripheral edge positions of the two cutter wheel bodies 13, one end of each locking bolt 20 is fixedly connected with a grass chopping knife 18, a second flat key 8 is arranged at the position, close to the proximal end face, of the drum shaft 2 is fixedly sleeved with a driving gear 7 close to the end face, the bottom of the outer circumference of the driving gear 7 is engaged with a duplicate gear 10, two fixed bearings 11 are attached to the inner circumference of the duplicate gear 10, a fixed rod 12 is installed at the center of the two fixed bearings 11, one end of the fixed rod 12 is sleeved with a bearing seat 9, a threshing machine body 15 is installed on one side of the outer circumference of the bearing seat 9, a limiting bearing is sleeved and fixed inside the bearing seat 9, the limiting bearing is fixedly installed at a position close to the end face of one end of the drum shaft 2, so that the installation of the threshing machine body 15 is facilitated, fixed bolts 16 are respectively installed on the top surface and the bottom surface inside the threshing machine body 15, a fixed knife 17 is installed at one end of the fixed bolt 16, two sides of the bottom of the fixed knife 17 are located on two sides of the top of a grass chopper 18, so that grass chopping is facilitated through the grass chopper 18, six grass chopper 18 are provided, the grass chopper 18 is evenly installed at the edge position of one side of the cutter head body 13, and one side of the six grass chopper 18 is fixedly connected with a grass throwing blade 19, and the six grass throwing sheets 19 are symmetrically distributed, which is beneficial to throwing the crushed grass out through the grass throwing sheets 19.

The working principle is as follows: in the using process of the invention, firstly, the engine of the device drives the roller shaft 2 to rotate, then the low-speed threshing roller 3 is driven to rotate by the first flat key 1 and the third flat key 14, the rotation of the low-speed threshing roller 3 is utilized to realize low-speed threshing, the stalks of grains after threshing are pushed to the grass outlet, at the moment, the roller shaft 2 is transmitted to the driving gear 7 by the second flat key 8, then the driving gear 7 drives the duplicate gear 10 to rotate, then the cutter head gear 5 is driven to rotate, the cutter head gear 5 rotates and then drives the two cutter head bodies 13 to rotate, the rotating speed of the cutter head bodies 13 is increased by the acceleration of the gear set, so as to drive the grass chopper 18 arranged on the cutter head bodies 13 to rotate at a rotating speed higher than that of the low-speed threshing roller 3, the grass chopper 18 is sheared with the fixed chopper 17 arranged on the threshing machine body 15, thereby cutting the grains pushed by the low-speed threshing roller 3, the grass that will smash the completion is thrown away through throwing away grass piece 19 afterwards, has realized threshing and kibbling function two-in-one, has promoted the usability and the functional diversity of equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a take double speed threshing cylinder of garrulous grass device, includes drum shaft (2), its characterized in that: first parallel key (1) and third parallel key (14) have been seted up respectively at drum shaft (2) center both ends, and drum shaft (2) center has cup jointed low-speed threshing cylinder (3), two support bearing (4) have been cup jointed to drum shaft (2) one end symmetry, and the peripheral fixed cover of support bearing (4) has cup head gear (5), the welding of outer circumference one side of cup head gear (5) has one blade disc body (13), and fastening bolt (6) are installed to outer circumference opposite side of blade disc gear (5), fastening bolt (6) one end fixed mounting has another blade disc body (13), locking bolt (20) are all installed to two blade disc body (13) peripheral border position, and locking bolt (20) one end fixedly connected with grass chopper (18).

2. The two-speed threshing cylinder with a grass chopping device according to claim 1, characterized in that: the drum shaft is characterized in that a second flat key (8) is arranged at a position, close to the end face, of one end of the drum shaft (2), a driving gear (7) is fixedly sleeved at one end, close to the end face, of the drum shaft (2), a duplicate gear (10) is meshed at the bottom of the outer circumference of the driving gear (7), two fixing bearings (11) are attached to the inner circumference of the duplicate gear (10), and a fixing rod (12) is installed at the centers of the two fixing bearings (11).

3. The two-speed threshing cylinder with a grass chopping device according to claim 2, characterized in that: bearing frame (9) has been cup jointed to dead lever (12) one end, and the outer circumference one side of bearing frame (9) installs thresher body (15), and bearing frame (9) inside cup joints and is fixed with spacing bearing, and spacing bearing fixed mounting is close to the terminal surface position at drum shaft (2) one end.

4. A two-speed threshing cylinder with a grass chopping device according to claim 3, characterized in that: the top surface and the bottom surface inside the threshing machine body (15) are respectively provided with a fixing bolt (16), one end of the fixing bolt (16) is provided with a fixed knife (17), and two sides of the bottom of the fixed knife (17) are positioned on two sides of the top of the grass chopping knife (18).

5. The two-speed threshing cylinder with a grass chopping device according to claim 4, characterized in that: the grass chopper (18) has six, and grass chopper (18) evenly installs in blade disc body (13) a side edge position, and six equal fixedly connected with in grass chopper (18) one side get rid of grass piece (19), and six get rid of grass piece (19) are the symmetric distribution.