CN217336344U

CN217336344U - Farmland stone picker

Info

Publication number: CN217336344U
Application number: CN202221362113.2U
Authority: CN
Inventors: 杨争艳
Original assignee: Dezhou Hongyou Agricultural Machinery Co ltd
Current assignee: Dezhou Hongyou Agricultural Machinery Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-02
Anticipated expiration: 2032-06-01

Abstract

A farmland stone picker relates to the technical field of agricultural machinery, and comprises a traction frame, a main frame, an auxiliary frame, a collecting box, a screening mechanism, a stone poking shaft-arm system, a supporting tire, a digging cutter and a hobbing cutter. Set up screening mechanism, digging cutter, dialling stone hobbing cutter, gearbox on the main frame, the left and right sides of main frame is equipped with dialling stone axle armshaft system, and dialling stone axle armshaft system includes dialling stone axle armshaft, drive wheel, drive chain, guide bearing, and screening mechanism includes screening area, main shaft, main chain guide wheel. A main shaft bearing and a bearing support are arranged between the main shaft and the main frame side plate, and the bearing support comprises an adjusting screw rod, a bearing top plate and a bearing bottom plate. The main chain guide wheel comprises a guide shaft, a guide shaft sleeve, a guide wheel outer sheet, a guide wheel bracket and a guide wheel support column. The utility model discloses compact structure, degree of automation is high, can be high-efficient and stable collect the farmland stone, the fault rate is low, long service life.

Description

Farmland stone picker

Technical Field

The utility model relates to the technical field of agricultural machinery, a stone machine is picked up in farmland specifically says so.

Background

In existing arable land, medium and low yield fields including plateau and mountain land account for 1/3 of the total area of the arable land. Many mountainous areas contain a large amount of gravels, which affect not only the physical properties of the soil but also the sowing quality, emergence and growth and development of crops, and also affect the field management of crops, particularly the operations of mechanical precision sowing and the like, thereby affecting the yield of the crops. In addition, in order to solve the problem of reduced cultivated land, the Gobi desert is reclaimed in the northwest region, and gravels on the Gobi are removed, so that part of the Gobi desert with a certain soil layer becomes a fertile farmland. The method of manual picking up is adopted to pick up the stone blocks on the ground surface out of the farmland, which not only has large labor intensity and low picking-up efficiency, but also is not suitable for large-area operation. Some stone picking machines appear in the market at present, but most of the stone picking machines have complex structures, high failure rate and low stone picking rate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming that above-mentioned prior art exists, the utility model aims to provide a stone machine is picked up in farmland, its compact structure, degree of automation is high, can be high-efficient and stable collect the farmland stone, and the fault rate is low, long service life.

In order to solve the problem, the utility model adopts the following technical scheme: a farmland stone picker is characterized by comprising a traction frame, a main frame, an auxiliary frame, a collecting box, a screening mechanism, a stone-poking shaft-arm system, a supporting tire, a digging cutter and a hobbing cutter,

the traction frame is arranged in front of the main frame, a hanging frame connected with the tractor is arranged on the traction frame,

the main frame is provided with a screening mechanism, a digging cutter, a stone-poking hob and a gearbox, the left side and the right side of the main frame are provided with a stone-poking shaft-arm system, the stone-poking shaft-arm system comprises a stone-poking shaft-arm, a driving wheel, a driving chain and a guide bearing, the gearbox transmits power to a stone-poking shaft through the stone-poking shaft-arm system, the stone-poking hob is arranged on the stone-poking shaft, a fixing seat of the guide bearing is arranged on the stone-poking shaft-arm, the guide bearing is tightly pressed on a side plate of the main frame, the stone-poking shaft-arm can swing up and down relative to the main frame,

the screening mechanism comprises a screening belt, a main shaft and a main chain guide wheel, the screening belt is driven by a chain, the screening belt is obliquely arranged at a certain angle with the horizontal plane, the main chain guide wheel is arranged at a low-end inlet of the screening belt, the main shaft is arranged at a high-end outlet of the screening belt, the digging cutter is arranged at the low-end inlet of the screening belt, the collection box is arranged at the high-end outlet of the screening belt,

a main shaft bearing and a bearing support are arranged between the main shaft and the main frame side plate, the bearing support comprises an adjusting screw rod, a bearing top plate and a bearing bottom plate, the main shaft bearing is fixed on the bearing bottom plate, the bearing bottom plate is slidably arranged on an adjusting hole on the main frame side plate, the adjusting screw rod is arranged above the bearing bottom plate along the length direction of the screening belt, the bearing top plate is arranged below the bearing bottom plate along the length direction of the screening belt, the bearing top plate is abutted against the bearing bottom plate,

the main chain guide wheel comprises a guide shaft, a guide shaft sleeve, a guide wheel outer sheet, a guide wheel bracket and a guide wheel support column, the guide shaft sleeve is rotatably sleeved on the guide shaft, the guide shaft wheel outer sheet connected and fixed with the main frame side plate is arranged on one side of the guide shaft sleeve, a guide step is arranged on the other side of the guide shaft sleeve, a three-hole connecting plate is arranged on the guide shaft outside the guide step, the guide wheel bracket is arranged on the three-hole connecting plate, the guide wheel support column connected and fixed with the main frame side plate is arranged on the side surface of the guide wheel bracket,

the auxiliary frame is arranged behind the main frame, the supporting tires are arranged below the auxiliary frame, the collecting box is rotatably arranged on the auxiliary frame, and the collecting box is provided with a lifting oil cylinder.

The beneficial effects of the utility model are that:

1. the utility model discloses a compact structure, degree of automation is high, can be high-efficient and stable collect the farmland stone, the fault rate is low, long service life.

2. The fixing base of the guide bearing is arranged on the stone removing shaft arm, the guide bearing is tightly pressed on the side plate of the main frame, the stone removing shaft arm can swing up and down relative to the main frame, the structural design of the guide bearing can guarantee the stability of the swing up and down of the stone removing shaft arm, the left and right swinging is avoided, and the shock resistance of the stone removing shaft arm is enhanced.

3. The main shaft bearing and the bearing support are arranged between the main shaft and the main frame side plate, the bearing support comprises an adjusting screw, a bearing top plate and a bearing bottom plate, the tensile pressure resistance and the shock resistance of the main shaft are greatly improved due to the structural design, and meanwhile, the tensioning degree of the screening belt can be conveniently adjusted through the adjusting screw and the bearing top plate so as to adapt to different working conditions, the optimal screening effect is achieved, and the failure rate is reduced.

4. The main chain guide wheel comprises a guide shaft, a guide shaft sleeve, a guide wheel outer sheet, a guide wheel bracket and a guide wheel support column, the guide shaft is supported by two sides from the original single side, the tensile and compression resistance and the shock resistance of the main chain guide wheel are greatly improved, the service life is prolonged, and the failure rate is reduced.

Drawings

The invention is further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the spindle of the present invention;

FIG. 3 is a schematic structural view of the main chain guide wheel of the present invention;

fig. 4 is a schematic structural diagram of the stone-shifting shaft-arm system of the present invention;

in the figure: 1 traction frame, 2 main frames, 21 main frame side plates, 3 subframes, 4 collecting boxes, 5 supporting tires, 6 main chain guide wheels, 61 guide wheel outer sheets, 62 guide shafts, 63 three-hole connecting plates, 64 guide wheel brackets, 65 guide wheel support columns, 66 guide shaft sleeves, 67 guide steps, 7 main shafts, 71 main shaft bearings, 72 adjusting screws, 73 bearing top plates, 74 bearing bottom plates, 8 digging cutters, 9 stone removing shaft arms, 91 guide bearings, 92 fixing seats, 10 screening belts and 11 stone removing rolling cutters.

Detailed Description

As shown in figures 1, 2, 3 and 4, the farmland stone picker comprises a traction frame 1, a main frame 2, a sub-frame 3, a collecting box 4, a screening mechanism, a stone-poking shaft-arm system, a supporting tire 5, digging knives 8 and hobbing cutters 11.

The traction frame 1 is arranged in front of the main frame 2, and a hanging frame connected with a tractor is arranged on the traction frame 1.

Set up screening mechanism on the main frame 1, digging cutter 8, stone setting hob 11, the gearbox, the left and right sides of main frame 1 is equipped with stone setting arbor arm system, stone setting arbor arm system is including stone setting arbor arm 9, the drive wheel, drive chain, guide bearing 91, the gearbox is epaxial with power transmission to stone setting through stone setting arbor arm system, the epaxial stone setting hob 11 that is equipped with of stone setting, guide bearing 91's fixing base 92 is established on stone setting arbor arm 9, guide bearing 91 compresses tightly on main frame curb plate 21, 1 luffing motion of main frame relatively of stone setting arbor arm 9.

Screening mechanism takes 10 including the screening, main shaft 7, main chain guide wheel 6, and screening area 10 passes through chain drive, and screening area 10 sets up with the certain angle slope of horizontal plane one-tenth, and the low end entrance of screening area 10 is equipped with main chain guide wheel 6, and the high-end exit of screening area 10 is equipped with main shaft 7, and digging cutter 8 sets up the low end entrance at screening area 10, and the high-end exit of screening area 10 is collecting box 4.

A main shaft bearing 71 and a bearing support are arranged between the main shaft 7 and the main frame side plate 21, the bearing support comprises an adjusting screw 72, a bearing top plate 73 and a bearing bottom plate 74, the main shaft bearing 71 is fixed on the bearing bottom plate 74, the bearing bottom plate 74 is slidably arranged on an adjusting hole on the main frame side plate 21, the adjusting screw 72 is arranged above the bearing bottom plate 74 along the length direction of the screening belt 10, the bearing top plate 73 is arranged below the bearing bottom plate 74 along the length direction of the screening belt 10, and the bearing top plate 73 is abutted against the bearing bottom plate 74.

The main chain guide wheel 6 comprises a guide shaft 62, a guide shaft sleeve 66, a guide wheel outer sheet 61, a guide wheel bracket 64 and a guide wheel support column 65, wherein the guide shaft sleeve 66 is rotatably sleeved on the guide shaft 62, the guide shaft wheel outer sheet 61 fixedly connected with the main frame side plate 21 is arranged on one side of the guide shaft sleeve 66, a guide step 67 is arranged on the other side of the guide shaft sleeve 66, a three-hole connecting plate 63 is arranged on the guide shaft 62 on the outer side of the guide step 67, the guide wheel bracket 64 is arranged on the three-hole connecting plate 63, and the guide wheel support column 65 fixedly connected with the main frame side plate 21 is arranged on the side surface of the guide wheel bracket 64.

The auxiliary frame 3 is arranged behind the main frame 2, the supporting tires 5 are arranged below the auxiliary frame 3, the collecting box 4 is rotatably arranged on the auxiliary frame 3, and the collecting box 4 is provided with a lifting oil cylinder.

The present invention is not limited to the above embodiment.

Claims

1. A farmland stone picker is characterized by comprising a traction frame, a main frame, an auxiliary frame, a collecting box, a screening mechanism, a stone-poking shaft-arm system, a supporting tire, a digging cutter and a hobbing cutter,

the main frame is provided with a screening mechanism, a digging cutter, a stone poking hob and a gearbox, the left side and the right side of the main frame are provided with a stone poking shaft arm system, the stone poking shaft arm system comprises a stone poking shaft arm, a transmission wheel, a transmission chain and a guide bearing, the gearbox transmits power to a stone poking shaft through the stone poking shaft arm system, the stone poking shaft is provided with the stone poking hob, a fixing seat of the guide bearing is arranged on the stone poking shaft arm, the guide bearing is tightly pressed on a side plate of the main frame, the stone poking shaft arm can swing up and down relative to the main frame,

the screening mechanism comprises a screening belt, a main shaft and a main chain guide wheel, the screening belt is driven by a chain, the screening belt is obliquely arranged at a certain angle with the horizontal plane, the main chain guide wheel is arranged at a low-end inlet of the screening belt, the main shaft is arranged at a high-end outlet of the screening belt, the digging cutter is arranged at the low-end inlet of the screening belt, the collecting box is arranged at the high-end outlet of the screening belt,

the auxiliary frame is arranged at the rear of the main frame, the supporting tires are arranged below the auxiliary frame, the collecting box is rotatably arranged on the auxiliary frame, and the collecting box is provided with a lifting oil cylinder.