CN201854557U - Paddy cultivator - Google Patents

Abstract

A paddy cultivator belongs to agricultural machinery. A weeding frame is arranged at the front end of a frame of a walking tractor through an upper threaded telescopic adjustable draw bar and a lower threaded telescopic adjustable draw bar in a suspending mode, a front suspending arm, a driving rotating shaft, a weeding cage connecting arm, a depth-limit supporting board connecting arm, a front spring-tine flexible shaft driving in-seedling weeding assembly and a back spring-tine flexible shaft driving in-seedling weeding assembly are installed on a weeding frame, an adjusting sleeve, a depth-limit part, a depth-limit supporting board are installed on the weeding frame through the depth-limit supporting board connecting arm, an n-shaped rocker arm, a limiting pin and a tension spring are installed on the weeding cage connecting arm, a driving pulley is assembled on the frame of the walking tractor, a driving sprocket and a driven pulley are mounted on the driving rotating shaft, a first transmission belt is sleeved on an engine power output shaft and the driving pulley, and the driving pulley is connected with the driven pulley through a first transmission belt. The paddy cultivator is simple in structure, comprehensive in working, capable of completing weeding among seedling and inter-row in paddies, good in working performance, high in working efficiency and reliable and flexible in operation.

Description

The paddy field extirpator

Technical field

The utility model belongs to agricultural machinery, relates generally to a kind of paddy field intertill and clean tillage work tool.

Background technology

The excessive use of weed killer herbicide not only reduces rice quality in growth process of riceplant, and contaminated soil and water source, destroys ecotope.For protection environment and the green rice of production, need come the instead of chemical weeding with weeding by machine, weeding by machine meets the development trend of conservation tillage, plays an important role as amount for increase crop yield, raising.But, paddy field intertill and clean tillage machinery is used few in China at present, and used low amounts of water Tanaka's weeding facility also can only be removed inter-row weed, can not remove weeds between seedling, transaction capabilities is single, the transaction capabilities difference is its distinct issues, in addition, facility weight is big, the field turns to difficulty, cause the defective of rolling seedling on a large scale also anxious to be solved when turning to.

Summary of the invention

The purpose of this utility model is exactly the problem that exists at above-mentioned prior art, design provides a kind of paddy field extirpator of new construction, not only can remove between seedling weeds when reaching operation but also can remove inter-row weed, simultaneously have in light weight, easy to operate, roll the few purpose of seedling when turning to.

Basic design of the present utility model is, a kind of paddy field extirpator comprises hand tractor, on the tractor frame front portion of hand tractor, install back suspension arm and equipped rotationally driving pulley respectively, first driving-belt is sleeved on the engine power output shaft of driving pulley and hand tractor and connects, screw thread adjustable length upper connecting rod rear end is hinged on the suspension arm of back, installs screw thread adjustable length lower link respectively on tractor frame front end left and right side position; The forward mounting arm is installed on the weeding frame, drive rotating shaft, weeding cage linking arm, limit dark supporting plate linking arm and before the elastic claw flexible axle drive that weeding assembly and back elastic claw flexible axle drive weeding assembly between seedling between seedling, wherein forward mounting arm and driving rotating shaft are positioned at the middle part upside of weeding frame, limit dark supporting plate linking arm to be positioned on the weeding frame both side ends, weeding cage linking arm is on the bottom, weeding frame front side between the dark supporting plate linking arm of the limit of both sides, before and after the weeding assembly is on the weeding frame between weeding assembly and back elastic claw flexible axle driving seedling between preceding elastic claw flexible axle driving seedling, about dislocation configuration; Screw thread adjustable length upper connecting rod front end and forward mounting arm are hinged, and the end of two screw thread adjustable length lower links is hinged with the weeding frame respectively, become trifilar suspension formula structure to link into an integrated entity with tractor frame the weeding frame; Two drive sprockets are packed in respectively and drive on the position, rotating shaft both sides, driven pulley is packed in and drives in the rotating shaft, and between two drive sprockets, second driving-belt is sleeved on driven pulley and the driving pulley, a driving chain is sleeved on the back driven sprocket of weeding assembly between the drive sprocket of a side and the seedling of elastic claw flexible axle driving afterwards, and drive sprocket and preceding elastic claw flexible axle that another root driving chain is sleeved on opposite side drive on the front idler sproket of weeding assembly between seedling; On the dark supporting plate linking arm front side portion of limit, join regulating sleeve admittedly, but be packed in the regulating sleeve with limitting dark part up-down adjustment, on the dark part of limit bottom, install the dark supporting plate of limit; On weeding cage linking arm front side portion, be hinged swingably ∏ type rocking arm is installed, in the ranks the weeding cage is fitted on the ∏ type rocking arm following side rotationally, the leading section of extension spring and rearward end articulate with ∏ type rocking arm upper lateral part and weeding cage linking arm respectively, position-limitting pin is installed on the weeding cage linking arm, be positioned at ∏ type rocking arm rear side position, and contact cooperation with ∏ type rocking arm.

During the utility model operation, both can carry out paddy field rice shoot inter-row cultivation weeding, and can finish intertill and clean tillage between the rice shoot seedling of paddy field again, operation is comprehensive, and flexible and convenient operation has characteristics simple in structure, that transaction capabilities good, operating efficiency is high, the operation fault is few.

Description of drawings

Fig. 1 is a paddy field extirpator general structure schematic diagram;

Fig. 2 is the bowing to view of the equipped structure of each parts on the weeding frame among Fig. 1;

Fig. 3 is weeding cage mounting structure schematic diagram on the weeding frame in the ranks.

Piece number explanation among the figure:

1, hand tractor, 2, tractor frame, 3, engine, 4, first driving-belt, 5, back suspension arm, 6, driving pulley, 7, screw thread adjustable length lower link, 8, screw thread adjustable length upper connecting rod, 9, back driven sprocket, 10, the forward mounting arm, 11, drive sprocket, 12, drive rotating shaft, 13, driven pulley, 14, front idler sproket, 15, the weeding frame, 16, extension spring, 17, weeding cage linking arm, 18, ∏ type rocking arm, 19, position-limitting pin, 20, limit dark supporting plate linking arm, 21, regulating sleeve, 22, limit dark part, 23, limit dark supporting plate, 24, weeding cage in the ranks, 25, preceding elastic claw flexible axle drives weeding assembly between seedling, 26, back elastic claw flexible axle drives weeding assembly between seedling, 27, second driving-belt.

Embodiment

Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.A kind of paddy field extirpator comprises hand tractor 1, on tractor frame 2 front portions of hand tractor 1, install back suspension arm 5 and equipped rotationally driving pulley 6 respectively, first driving-belt 4 is sleeved on engine 3 power take-offs of driving pulley 6 and hand tractor 1 and connects, screw thread adjustable length upper connecting rod 8 rear ends are hinged on the suspension arm 5 of back, install screw thread adjustable length lower link 7 respectively on tractor frame 2 front end left and right side positions; Forward mounting arm 10 is installed on weeding frame 15, drive rotating shaft 12, weeding cage linking arm 17, limit dark supporting plate linking arm 20 and before the elastic claw flexible axle drive that weeding assembly 25 and back elastic claw flexible axle drive weeding assembly 26 between seedling between seedling, wherein forward mounting arm 10 and driving rotating shaft 12 are positioned at the middle part upside of weeding frame 15, limit dark supporting plate linking arm 20 to be positioned on weeding frame 15 both side ends, before the weeding frame 15 of weeding cage linking arm 17 between the dark supporting plate linking arm 20 of the limit of both sides on the side lower part, preceding elastic claw flexible axle drives between seedling weeding assembly 25 and drives with back elastic claw flexible axle that weeding assembly 26 is front and back between seedling on weeding frame 15, about dislocation configuration; Screw thread adjustable length upper connecting rod 8 front ends and forward mounting arm 10 are hinged, and the end of two screw thread adjustable length lower links 7 is hinged with weeding frame 15 respectively, and 2 one-tenth trifilar suspension formulas of weeding frame 15 and tractor frame structure is linked into an integrated entity; Two drive sprockets 11 are packed in respectively and drive on the position, rotating shaft 12 both sides, driven pulley 13 is packed in and drives in the rotating shaft 12, and between two drive sprockets 11, second driving-belt 27 is sleeved on driven pulley 13 and the driving pulley 6, a driving chain is sleeved on the back driven sprocket 9 of weeding assembly 26 between the drive sprocket 11 of a side and the seedling of elastic claw flexible axle driving afterwards, and drive sprocket 11 and preceding elastic claw flexible axle that another root driving chain is sleeved on opposite side drive on the front idler sproket 14 of weeding assembly 25 between seedling; On dark supporting plate linking arm 20 front side portions of limit, join regulating sleeve 21 admittedly, but be packed in the regulating sleeve 21 with limitting dark part 22 up-down adjustment, on the dark part of limit 22 bottoms, install the dark supporting plate 23 of limit; On weeding cage linking arm 17 front side portions, be hinged swingably ∏ type rocking arm 18 is installed, in the ranks weeding cage 24 is fitted on ∏ type rocking arm 18 following sides rotationally, the leading section of extension spring 16 and rearward end articulate with ∏ type rocking arm 18 upper lateral parts and weeding cage linking arm 17 respectively, position-limitting pin 19 is installed on the weeding cage linking arm 17, be positioned at ∏ type rocking arm 18 rear side positions, and contact cooperation with ∏ type rocking arm 18.

During operation, engine 3 one tunnel power drive complete machines of hand tractor 1 move ahead, another road rotary power of engine 3 through power take-off, first driving-belt 4, driving pulley 6, second driving-belt 27, driven pulley 13, drive rotating shaft 12, drive sprocket 11 and front idler sproket 14, back driven sprocket 9 and drive respectively before the elastic claw flexible axle drive weeding assembly 25 between seedling, after between elastic claw flexible axle driving seedling weeding assembly 26 rotate, finish the intertill and clean tillage operation between the rice shoot seedling; In the ranks weeding cage 24 produces resistance and friction with paddy field earth in the process of moving ahead, and makes weeding cage 24 rotations in the ranks, and weeds are rolled in the earth, finishes the intertill and clean tillage operation in the ranks of paddy field rice shoot.Extension spring 16 can make ∏ type rocking arm 18 reciprocally swinging on weeding cage linking arm 17, realizes the overload protection of weeding cage 24 in the ranks.Regulate the upper-lower position of the dark part 22 of limit in regulating sleeve 21, can change the high and low position of the dark supporting plate 23 of limit, play and satisfy and the requirement that adapts to the different weeding campaign degree of depth and protection weeding parts.By regulating the upper and lower pull bar 8,7 of screw thread adjustable length, finish the inclination angle and the two ends balance of weeding frame 15, to guarantee operation quality.

Claims (1)

1. paddy field extirpator, comprise hand tractor (1), it is characterized in that on tractor frame (2) front portion of hand tractor (1), installing respectively back suspension arm (5) and equipped rotationally driving pulley (6), first driving-belt (4) is sleeved on engine (3) power take-off of driving pulley (6) and hand tractor (1) and connects, screw thread adjustable length upper connecting rod (8) rear end is hinged on the back suspension arm (5), installs screw thread adjustable length lower link (7) respectively on tractor frame (2) front end left and right side position; Go up installation forward mounting arm (10) in weeding frame (15), drive rotating shaft (12), weeding cage linking arm (17), limit dark supporting plate linking arm (20) and before the elastic claw flexible axle drive that weeding assembly (25) and back elastic claw flexible axle drive weeding assembly (26) between seedling between seedling, wherein forward mounting arm (10) and driving rotating shaft (12) are positioned at the middle part upside of weeding frame (15), limit dark supporting plate linking arm (20) to be positioned on weeding frame (15) both side ends, weeding cage linking arm (17) is positioned on the preceding side lower part of weeding frame (15) between the dark supporting plate linking arm of limit (20) of both sides, and preceding elastic claw flexible axle drives between seedling weeding assembly (25) and drives with back elastic claw flexible axle that weeding assembly (26) is front and back between seedling on weeding frame (15), about dislocation configuration; Screw thread adjustable length upper connecting rod (8) front end and forward mounting arm (10) are hinged, the end of two screw thread adjustable length lower links (7) is hinged with weeding frame (15) respectively, becomes trifilar suspension formula structure to link into an integrated entity with tractor frame (2) weeding frame (15); Two drive sprockets (11) are packed in respectively and drive on rotating shaft (12) position, both sides, driven pulley (13) is packed in and drives in the rotating shaft (12), and be positioned between two drive sprockets (11), second driving-belt (27) is sleeved on driven pulley (13) and the driving pulley (6), a driving chain is sleeved on the back driven sprocket (9) of weeding assembly (26) between the drive sprocket (11) of a side and the seedling of elastic claw flexible axle driving afterwards, and drive sprocket (11) and preceding elastic claw flexible axle that another root driving chain is sleeved on opposite side drive on the front idler sproket (14) of weeding assembly (25) between seedling; On limit dark supporting plate linking arm (20) front side portion, join regulating sleeve (21) admittedly, limit dark part (22) but up-down adjustment ground is packed in the regulating sleeve (21), on limit dark part (22) bottom, install and limit dark supporting plate (23); On weeding cage linking arm (17) front side portion, be hinged swingably ∏ type rocking arm (18) is installed, in the ranks weeding cage (24) is fitted on ∏ type rocking arm (18) following side rotationally, the leading section of extension spring (16) and rearward end articulate with ∏ type rocking arm (18) upper lateral part and weeding cage linking arm (17) respectively, position-limitting pin (19) is installed on the weeding cage linking arm (17), be positioned at ∏ type rocking arm (18) rear side position, and contact cooperation with ∏ type rocking arm (18).

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