CN217591570U

CN217591570U - Corn stalk rubbing and crushing device

Info

Publication number: CN217591570U
Application number: CN202220518537.7U
Authority: CN
Inventors: 张宁; 王强; 高晓宏; 鲍志亮; 董佳佳; 孙文婷
Original assignee: Hohhot Branch Of Chinese Academy Of Agricultural Mechanization Sciences Co ltd
Current assignee: Hohhot Branch Of Chinese Academy Of Agricultural Mechanization Sciences Co ltd
Priority date: 2022-03-05
Filing date: 2022-03-05
Publication date: 2022-10-18
Anticipated expiration: 2032-03-05

Abstract

The utility model relates to a corn stalk rubbing device, which belongs to the field of agricultural machinery and solves the problems of low harvesting efficiency and poor crushing effect of standing or lodging corn stalks, and mainly comprises a frame, a transmission system, a rotary cutter shaft, a flail knife, a fixed knife, a guard plate and a profiling runner, wherein the rotary cutter shaft is arranged in the frame and is connected with the two sides of the frame through a bearing, and the shaft end of one side of the rotary cutter shaft passes through the bearing to be connected with the transmission system outside the frame; the transmission system is fixed on the outer side of the rack, transmits power from a tractor to the rotary cutter shaft, so that the rotary cutter shaft rotates in the rack, and a shield is arranged on the outer side of the transmission mechanism; the flail knife is connected with a connecting lug on the rotating knife shaft through a pin shaft; the fixed cutter is fixed on the inner side of the rack, and the guard plate is arranged in front of the rack; the profiling sliding palms are arranged at two sides below the frame; the utility model discloses simple structure, rub garrulous effectual, the results are efficient.

Description

Corn stalk rubbing and crushing device

Technical Field

The utility model relates to a garrulous device is rubbed to maize straw belongs to the agricultural machine field.

Background

The traditional harvesting mode of maize straw is earlier to receive the corn cob, cut the straw again, then whole straw is concentrated and is beaten the bundle stack, at present internal equipment that can directly smash the bundle to standing straw has been had, for example, the cutting is rubbed garrulous square bale bundling machine and is rubbed garrulous circle bale bundling machine, rub garrulous device with the direct breakage of maize straw through preceding cutting and beat into the bale, convenient subsequent transportation, storage, but the current straw on the market rubs garrulous device structure complicacy, harvest efficiency is low, crushing effect is poor. The utility model provides a corn stalk rubs garrulous device simple structure, and reliability, results efficiency, crushing effect have all obtained very big promotion.

Disclosure of Invention

The utility model discloses not enough to current straw rubbing device provides a simple structure, smashes effectually, and garrulous device is rubbed to efficient maize straw of results.

The utility model discloses a corn stalk rubbing device, which mainly comprises a frame, a transmission system, a rotary cutter shaft, a flail cutter, a fixed cutter, a guard plate and a profiling sliding palm, wherein the rotary cutter shaft is arranged in the frame and is connected with the two sides of the frame through a bearing, and the shaft end of one side of the rotary cutter shaft passes through the bearing and is connected with the transmission system outside the frame; the transmission system is fixed on the outer side of the rack, can transmit power from a tractor to the rotary cutter shaft, enables the rotary cutter shaft to rotate in the rack, has the rotating speed of not less than 1800r/min, and is provided with a shield on the outer side; the flail knife is connected with a connecting lug on the rotating knife shaft through a pin shaft; the fixed cutter is fixed on the inner side of the frame, and the distance between the flail cutter and the fixed cutter after the rotating cutter shaft rotates is as follows: l is more than or equal to 20mm and more than or equal to 5mm; the guard plate is arranged in front of the frame; the profiling sliding palms are arranged at two sides below the frame; the flail knives are arranged on a spiral line taking the axis of the rotating knife shaft as the center and are evenly arranged into a plurality of lines along the axis direction of the rotating knife shaft; the fixed cutters are distributed on three surfaces of the inner side of the frame; the position of the profiling sliding palm can be adjusted up and down; the guard plate is divided into a front layer and a rear layer, the front layer is a rubber plate, the rear layer is an iron plate, and the iron plate is hinged with the rack.

The utility model has the advantages that: simple and reliable structure, good kneading and crushing effect and high harvesting efficiency.

Drawings

FIG. 1: the utility model discloses front view

FIG. 2: section A-A of FIG. 1

FIG. 3: FIG. 1 is a plan view

In the figure: 1-frame, 2-transmission system, 3-rotary cutter shaft, 4-flail knife, 5-fixed knife, 6-protective cover, 7-profiling sliding palm, 8-bearing, 9-rubber plate, 10-iron plate, L-distance between flail knife and fixed knife

Detailed Description

The utility model discloses a corn stalk rubbing device, mainly by frame 1, transmission system 2, rotatory arbor 3, flail knife 4, stationary knife 5, rubber slab 9, iron plate 10, profile modeling palm 7 constitute, rotatory arbor 3 is arranged in frame 1, and is connected with frame 1 both sides through bearing 8, the axle head of rotatory arbor 3 one side passes bearing 8 and is connected with the transmission system 2 outside frame 1; the transmission system 2 is fixed on the outer side of the frame 1, can transmit power from a tractor to the rotary cutter shaft 3 through a gear box and a belt pulley, so that the rotary cutter shaft 3 rotates in the frame 1, in order to ensure that the crushing effect and the harvesting efficiency meet the requirements, the rotating speed of the rotary cutter shaft 3 needs to be more than or equal to 1800r/min, and the outer side of the transmission system 3 is provided with a shield 6; the flail knives 4 are connected with connecting lugs on the rotating knife shafts 3 through pin shafts, the flail knives 4 are arranged on a spiral line taking the axis of the rotating knife shafts 3 as the center and are evenly arranged into a plurality of rows along the axis direction of the rotating knife shafts 3, the flail knives 4 can freely swing relative to the rotating knife shafts 3, when the rotating knife shafts 3 rotate fast, the flail knives 4 are flapped to strike and crush the corn straws, so that the corn straws are flaked to a rear feeding port along the upper side in the frame 1; the fixed knife 5 is fixed on the inner side surface of the frame 1, and can be fixed on three surfaces on the inner side in order to improve the kneading and crushing effect, and the distance between the flail knife 4 and the fixed knife 5 after the rotation of the rotary knife shaft 3 is as follows: l is more than or equal to 5mm and more than or equal to 20 mm; in the process that corn straws move along the inside of the rack 1, the fixed knives 5 on the inner side of the rack 1 also cut and knead the corn straws, and the corn straws entering in different directions can be kneaded and crushed more in different arrangement directions of the fixed knives 5, so that the crushing effect is better, and meanwhile, the distance between the flail knife 4 and the fixed knives 5 ensures both the feeding efficiency and the kneading and crushing effect; the guard plate arranged in front of the frame 1 can effectively prevent stones from splashing to hurt people in the harvesting process, the guard plate is divided into a front layer and a rear layer, the front layer is a rubber plate 9, the rear layer is an iron plate 10, and the iron plate 10 is hinged with the frame 1 through a long pin shaft; the profiling sliding palm 7 is arranged on two sides below the rack 1, so that ground clearance of the device can be guaranteed, and the profiling sliding palm 7 can be adjusted up and down, so that adaptability to different terrains is guaranteed.

Claims

1. The utility model provides a maize straw rubs garrulous device, mainly comprises frame, transmission system, rotatory arbor, flail knife, stationary knife, backplate, profile modeling palm, its characterized in that: the rotary cutter shaft is arranged in the rack and is connected with two sides of the rack through bearings, and the shaft end of one side of the rotary cutter shaft penetrates through the bearings to be connected with a transmission system on the outer side of the rack; the transmission system is fixed on the outer side of the rack and can transmit power from a tractor to the rotary cutter shaft, so that the rotary cutter shaft rotates in the rack at a rotating speed of more than or equal to 1800r/min; the flail knife is connected with a connecting lug on the rotating knife shaft through a pin shaft; the fixed cutter is fixed on the inner side of the frame, and the distance between the flail cutter and the fixed cutter after the rotating cutter shaft rotates is as follows: l is more than or equal to 5mm and more than or equal to 20 mm; the guard plate is arranged in front of the frame; the profiling sliding palms are arranged at two sides below the frame.

2. The corn stalk crushing apparatus as claimed in claim 1, wherein the flail knives are arranged in a plurality of rows on a spiral line centered on the axis of the rotary knife shaft and uniformly aligned in the direction of the axis of the rotary knife shaft.

3. The corn stalk crushing apparatus as claimed in claim 1, wherein the stationary knives are distributed on three surfaces inside the frame.

4. The corn stalk crushing apparatus as claimed in claim 1, wherein the position of the profiling runner can be adjusted up and down.

5. The corn stalk crushing apparatus as claimed in claim 1, wherein the guard plate is divided into a front layer and a rear layer.

6. The corn stalk crushing apparatus as claimed in claim 5, wherein the front layer of the guard plate is a rubber plate and the rear layer is an iron plate.

7. The corn stalk crushing apparatus as claimed in claim 6, wherein the iron plate is hinged to the frame.