CN2582353Y

CN2582353Y - All breaking straw return-to-field machine

Info

Publication number: CN2582353Y
Application number: CN 02294462
Authority: CN
Inventors: 宋羊军
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-21
Filing date: 2002-12-21
Publication date: 2003-10-29
Anticipated expiration: 2012-12-21

Abstract

The utility model relates to an all breaking-type straw return-to-field machine, which is formed by that a gearbox is arranged at the upper part of a rigid machine frame; a transmission shaft is arranged on the gear box; a transmission wheel is arranged on the transmission shaft; two power take-off wheels are arranged in the gear box respectively form transmission chains with transmission gears on a front vertical shaft and an outer shaft via transmission members, and the front vertical shaft and the outer shaft are vertically arranged on the machine frame; a plurality of the movable cutter blades are arranged on the front vertical shaft is arranged at the front part of the machine frame; the rear part of the front vertical shaft is provided with a fixed cutter frame which is provided with a plurality of fixed cutter blades which are extended into the gap of two adjacent movable cutter blades; the inner cavity of the outer shaft is sheathed with a spiral spline shaft; a torsion pin which is fixed on the outer shaft is lined in a groove of the spline shaft; the lower part of the spiral spline shaft is provided with an arced cutter blade; a spring is sheathed on the spiral spline shaft between the machine frame and the arced cutter blade; the upper part of the spiral spline shaft is provided with regulating nuts; a suspension device and a front protection plate of a collecting device are arranged on the machine frame. The machine is a straw return-to-field machine which has favorable breaking effect and power saving.

Description

Complete breaking return straw into soil machine

One, technical field

The utility model relates to the also small-scale agricultural machinery in field of a kind of crop stalk, and this machine is to be suspended on agricultural tractor with small four wheels front portion to carry out also a kind of small-scale agricultural machinery of field operation of crop stalk, is specially adapted to the also field operation of corn stalk.

Two, background technology

At present, many small size stalk field-returning machines are arranged, the employed preposition suspension type return straw into soil machine of tractor with small four wheels particularly, mostly being greatly with the tractor with small four wheels is the preposition suspension type return straw into soil machine of power, that adopts gives vertical shaft through two conical gears with transmission of power by power transmission shaft, the stubble blade is dug in the bottom and knife section all is fixed on the vertical shaft, and two blades are with the speed rotation when operation, and the blade that is fixed on like this on the vertical shaft has just all become knife section.Under the high speed rotating of vertical shaft, knife section and fixed blade form relative motion and produce shearing.This equipment exist tangible deficiency and defective as follows: 1. it is to adopt power transmission shaft to pass to vertical shaft, go up broken blade and bottom and dig the stubble blade with being fixed on the axle, two cuttves must be with the speed rotation, and plane stubble blade consumption of power is bigger, advance resistance is bigger during operation, makes the tractor with small four wheels consumption of power big even can not operation.2. its transmission structures can not make a plane stubble cutter separate with last broken cutter, can not make plane stubble swivel prompt drop low, promptly can not reduce power consumption.3. digging the stubble cutter is that two hook-shaped blades are fixed on the vertical shaft bottom, and this blade forms a large diameter cylinder under high speed rotating, and advance resistance increases when making operation.4. dig a stubble blade as removing the bottom, will stay high stubble down on the farm, bring than burden to peasant's farming.

Three, summary of the invention

The purpose of this utility model is the shortcomings and deficiencies that overcome above-mentioned prior art, a kind of desirable effect of returning crop stocks to the field that reaches in operation process is provided, can be reliably and the supporting use of tractor with small four wheels, consumption of power is little, saves the complete breaking return straw into soil machine of the energy.

The purpose of this utility model can realize by following technical measures: complete breaking return straw into soil machine, form by road wheel, frame, drive, power transmission shaft, bearing, gear-box, fixed blade, immovable support, knife section, suspension arrangement etc.Its frame is a rigid frame, on frame, be mounted with gear-box, power transmission shaft is installed on the gear-box, drive is installed on the power transmission shaft, preceding vertical shaft is installed on the frame of lower gearbox portion, preceding vertical shaft is the vertical shaft of installing with respect to the frame vertical, the lower end of preceding vertical shaft is installed on the bottom of frame, before the upper end of vertical shaft be installed on the top of frame and be connected in the power output wheel of gear-box, on preceding vertical shaft bottom-up be fixed with successively many knife section, face mutually between two knife sections and leave the gap, vertical is equipped with immovable support on frame, on the immovable support bottom-up be fixed with successively many fixed blade, fixed blade and knife section are alternate successively, there is a fixed blade to insert in the gap between two knife sections that face mutually up and down, the outer shaft that vertical is provided with is installed on the frame at immovable support and preceding vertical shaft rear portion, outer shaft is the axle of a hollow, the upper end of outer shaft is equipped with the outer shaft drive, the outer shaft drive links to each other by driving-chain with the change pulley of gear-box, inner chamber at the outer shaft of hollow is equipped with a helical spline shaft, the inner chamber of helical spline shaft and outer shaft is a matched in clearance, spiral spline groove is arranged on the outer axis body of helical spline shaft, torsional pin is installed on outer shaft, the inner of torsional pin be bumped in the helical spline groove of helical spline shaft and with this groove be matched in clearance, the bottom of frame is stretched out in the helical spline shaft lower end, the lower end of helical spline shaft is fixed with the circular arc blade, the circular arc blade is a crescent, on the helical spline shaft of the top of circular arc blade and frame lower, be set with spring, the upper end of helical spline shaft is stretched out the upper end of outer shaft and is stretched to the top of frame, being fixed with one in the top of helical spline shaft spinning adjusts female, anterior symmetry in frame is equipped with gathering device and front fender, be fixed with suspension arrangement at the frame rear portion, road wheel is equipped with in the left and right sides, bottom of frame.

The purpose of this utility model can also realize by following technical measures:

Two are symmetrically installed with two preceding vertical shafts about frame front, there is an immovable support at rear portion in the middle of two preceding vertical shafts, symmetry is equipped with the fixed blade in the gap of stretching to the knife section of being installed on two preceding vertical shafts respectively on the immovable support, on preceding vertical shaft from top to bottom successively suit be fixed with a plurality of fixed blade dishes, symmetry is mounted with 2-4 knife section on each fixed blade dish, and knife section and fixed blade are and are horizontally disposed with and they are wide trapezoidal in inswept rear portion.

Drive is flat-belt pulley or vee-pulley or sprocket wheel, the a pair of conical gear that is complementary is housed in the gear-box, horizontally disposed conical gear is a power output wheel, change pulley is loaded on the bottom of horizontally disposed conical gear, change pulley and outer shaft drive are gear, and the driving-chain between through-drive wheel and the change pulley is one group of change-speed gearing outside.

Change pulley and outer shaft drive are sprocket wheel, and the driving-chain between them is a driving chain.

On the frame on the preceding vertical shaft top of the left and right sides gear-box is housed all, power transmission shaft respectively with a two-phase gear-box in the power input conical gear installed of vertical be connected and fixed, about conical gear in two gear-boxes be two groups of conical gears that left and right symmetry is installed.

Helical spline shaft is provided with 1-3 bar spill spiral fluted splined shaft on its outer axis body.

Advantage of the present utility model is: laborsaving, fuel-efficient, save time, machine decrease little, full crushing operation efficient height, operating cost obviously reduces, operation is convenient freely, is fit to the operation of big or small plot.

Four, description of drawings

Fig. 1 is the front view of complete breaking return straw into soil machine

Fig. 2 is the left view of complete breaking return straw into soil machine

Fig. 3 is the vertical view of complete breaking return straw into soil machine

Five, embodiment

Shown in Fig. 1～3: complete breaking return straw into soil machine, form by road wheel 1, frame 3, drive 4, power transmission shaft 5, bearing 10, gear-box 12, fixed blade 13, immovable support 14, knife section 19, suspension arrangement 27 etc.Symmetry is mounted with two gear-boxes 12 in the anterior left and right sides on frame 3 tops, a power transmission shaft 5 is installed on two gear-boxes 12, a shaft coupling 9 is housed on the power transmission shaft 5 between two gear-boxes 12, the drive 4 of a V-belt shape is installed on the power transmission shaft 5, a pair of bevel gear 7 is housed in the gear-box 12, vertically disposed bevel gear is that power input wheel is installed on the power transmission shaft 5, vertical shaft 18 before on the frame 3 of gear-box 12 bottoms, being equipped with, preceding vertical shaft 18 is the vertical shaft of installing with respect to frame 3 verticals, the lower end of preceding vertical shaft 18 is installed on the frame 3 by bearing 20, before the upper end of vertical shaft 18 be installed on the top of frame 3 and in gear-box 12 horizontally disposed bevel gear as power output wheel be connected, on preceding vertical shaft 18 bottom-up be fixed with successively many knife section 19, knife section 19 is to be fixed on the vertical shaft 18 by fixed blade dish 15 and securing member 16, face mutually between two knife sections 19 and leave the gap, vertical is equipped with immovable support 14 on frame 3, on the immovable support 14 bottom-up be fixed with successively many fixed blade 13, fixed blade 13 and knife section 19 are alternate successively, there is a fixed blade 13 to insert in the gap between two knife sections that face mutually up and down 19, it is fastening to be fixed with catch in the lower end of preceding vertical shaft 18 by acorn nut 25, two outer shafts 17 that vertical is provided with are installed on the frame 3 at immovable support 14 and preceding vertical shaft 18 rear portions, outer shaft 17 is installed on the frame 3 by bearing and bearing block 31, outer shaft 17 is axles of a hollow, the upper end of outer shaft 17 is equipped with the outer shaft drive 29 of gear type, outer shaft drive 29 forms a deceleration transmission chain with the change pulley 8 of the gear type of gear-box 12 by transition gear 30, inner chamber at the outer shaft 17 of hollow is equipped with a helical spline shaft 24, helical spline shaft 24 is a matched in clearance with the inner chamber of outer shaft 17, three spiral spline grooves are arranged on the helical spline shaft 24 outer axis bodies, 3 torsional pins 32 are installed on outer shaft 17, the inner of each torsional pin 32 be bumped into respectively in the helical spline groove of a helical spline shaft 24 and with this groove be matched in clearance, the bottom of frame 3 is stretched out in helical spline shaft 24 lower ends, the lower end of helical spline shaft 24 is fixed with circular arc blade 22 by securing member and acorn nut 23, circular arc blade 22 is a crescent, the spring 21 that on the helical spline shaft 24 of the top of circular arc blade 22 and frame 3 bottoms, is set with stage clip shape, the upper end of helical spline shaft 24 is stretched out the upper end of outer shaft 17 and is stretched to the top of frame 3, be fixed with one in the top of helical spline shaft 24 spinning and adjust female 28, a movable security door 16 respectively is housed on the face of the left and right sides of frame 3, a limiting plate 2 is housed on frame, the gathering device 11 and the front fender 33 of a U-shaped are housed in the anterior symmetry of frame 3, be fixed with suspension arrangement 27 at frame 3 rear portions, a road wheel 1 each side is equipped with in the bottom of frame 3; Be symmetrically installed with two preceding vertical shafts 18 in the front portion of frame 3, there is an immovable support 14 at rear portion in the middle of two preceding vertical shafts 18, symmetry is equipped with the fixed blade 13 that stretches to two preceding vertical shafts 18 respectively on the immovable support 14, the fixed blade 13 V-shaped settings of the left and right sides, on preceding vertical shaft 18 from top to bottom successively suit be fixed with 14 fixed blade dishes 15, symmetry is mounted with 3 knife sections 19 on each fixed blade dish 15, and knife section 19 and fixed blade 13 are and are horizontally disposed with and they are wide trapezoidal in inswept rear portion; Change pulley 8 is loaded on the gear of horizontally disposed conical gear bottom.

The course of work of the present utility model is as follows: the power of this machine is to be directly passed to three cuticles wheel 4 by the diesel engine bull wheel on the tractor with small four wheels, drive power transmission shaft 5, pass to preceding vertical shaft 18 by a pair of vertically disposed conical gear 7, vertical shaft 18 drives knife section 19, by finishing preceding crushing operation with the relative motion of fixed blade 13.Change pulley 8 by preceding vertical shaft 18 assemblings moves the outer shaft drive 29 that digs the stubble device through the transition variable velocity zone again, under the drive of the wheel of through-drive outside 29, torsional pin 32 on the outer shaft 17 passes to helical spline shaft 24 with power, helical spline shaft 24 stressed rotations, the circular arc blade 22 that drives the bottom is made parallel circular motion, and it is broken to dig stubble in machinery advances process.Because helical spline shaft 24 can move up and down, when running into rugged landform, when its circular arc cutter produces big resistance, at this moment blade can not rotate (being the helical spline shaft stall) and outer shaft 17 and still rotating, at this moment under the effect of outer shaft 17, the helical spline shaft 24 that can not rotate can be mentioned the return straw into soil machine operation that still can move on rapidly.When running into lower, its underpart spring 21 can eject helical spline shaft, and circular arc blade 22 still can keep the breaking degree of depth, so this machine can reach the breaking purpose.

Claims

1, complete breaking return straw into soil machine, by road wheel (1), frame (3), drive (4), power transmission shaft (5), bearing (10), gear-box (12), fixed blade (13), immovable support (14), knife section (19), suspension arrangement compositions such as (27), it is characterized in that: frame (3) is a rigid frame, on frame (3), be mounted with gear-box (12), power transmission shaft (5) is installed on the gear-box (12), drive (4) is installed on the power transmission shaft (5), on the frame (3) of gear-box (12) bottom, preceding vertical shaft (18) is installed, preceding vertical shaft (18) is the vertical shaft of installing with respect to frame (3) vertical, the lower end of preceding vertical shaft (18) is installed on the bottom of frame (3), before the upper end of vertical shaft (18) be installed on the top of frame (3) and be connected in the power output wheel of gear-box (12), preceding vertical shaft (18) go up bottom-up be fixed with successively many knife section (19), face mutually between two knife sections (19) and leave the gap, go up vertical in frame (3) immovable support (14) is installed, immovable support (14) go up bottom-up be fixed with successively many fixed blade (13), fixed blade (13) is alternate successively with knife section (19), there is a fixed blade (13) to insert in the gap between two knife sections that face mutually up and down (19), the outer shaft (17) that vertical is provided with is installed on the frame (3) at immovable support (14) and preceding vertical shaft (18) rear portion, outer shaft (17) is the axle of a hollow, the upper end of outer shaft (17) is equipped with outer shaft drive (29), outer shaft drive (29) links to each other by driving-chain with the change pulley (8) of gear-box (12), inner chamber at the outer shaft (17) of hollow is equipped with a helical spline shaft (24), helical spline shaft (24) is a matched in clearance with the inner chamber of outer shaft (17), spiral spline groove is arranged on the outer axis body of helical spline shaft (24), torsional pin (32) is installed on outer shaft (17), the inner of torsional pin (32) be bumped in the helical spline groove of helical spline shaft (24) and with this groove be matched in clearance, the bottom of frame (3) is stretched out in helical spline shaft (24) lower end, the lower end of helical spline shaft (24) is fixed with circular arc blade (22), circular arc blade (22) is a crescent, on the helical spline shaft (24) of the top of circular arc blade (22) and frame (3) bottom, be set with spring (21), the upper end of helical spline shaft (24) is stretched out the upper end of outer shaft (17) and is stretched to the top of frame (3), top spinning at helical spline shaft (24) is fixed with an adjustment female (28), anterior symmetry in frame (3) is equipped with gathering device (11) and front fender (33), be fixed with suspension arrangement (27) at frame (3) rear portion, road wheel (1) is equipped with in the left and right sides, bottom of frame (3).

2, complete breaking return straw into soil machine according to claim 1, it is characterized in that: the left and right sides anterior in frame (3) is symmetrically installed with two preceding vertical shafts (18), there is an immovable support (14) at rear portion in the middle of two preceding vertical shafts (18), immovable support (14) is gone up symmetry the fixed blade (13) in the gap of stretching to the knife section of being installed on two preceding vertical shafts (18) (19) respectively is housed, on preceding vertical shaft (18) from top to bottom successively suit be fixed with a plurality of fixed blade dishes (15), go up symmetry at each fixed blade dish (15) and be mounted with 2-4 knife section (19), knife section (19) and fixed blade (13) are and are horizontally disposed with and they are wide trapezoidal in inswept rear portion.

3, complete breaking return straw into soil machine according to claim 1, it is characterized in that: described drive (4) is flat-belt pulley or vee-pulley or sprocket wheel, the a pair of conical gear that is complementary (7) is housed in the described gear-box (12), horizontally disposed conical gear is a power output wheel, change pulley (8) is loaded on the bottom of horizontally disposed conical gear, change pulley (8) and outer shaft drive (29) are gear, and the driving-chain between wheel of through-drive outside (29) and the change pulley (8) is one group of reduction gearing.

4, according to claim 1 or 3 described complete breaking return straw into soil machine, it is characterized in that: change pulley (8) and outer shaft drive (29) are sprocket wheel, and the driving-chain between them is a driving chain.

5, according to claim 2 or 3 described complete breaking return straw into soil machine, it is characterized in that: on the frame on preceding vertical shaft (18) top of the left and right sides gear-box (12) is housed all, power transmission shaft (5) respectively with two gear-boxes in the power input conical gear installed of vertical be connected and fixed, about conical gear in two gear-boxes be two groups of conical gears (7) that left and right symmetry is installed.

6, complete breaking return straw into soil machine according to claim 1 is characterized in that: described helical spline shaft (24) is provided with 1-3 bar spill spiral fluted splined shaft on its outer axis body.