CN201171286Y - Compact efficient stubble cleaner - Google Patents

Abstract

The utility model relates to a minitype highly efficient stubble cleaner, which comprises a stander with a draw connecting plate, a transmission case which is arranged on the stander and is connected with a power input shaft through a clutch as well as is provided with a drive shaft, and a stubble cleaning knife flywheel assembly arranged on the output shaft of the transmission case. The minitype highly efficient stubble cleaner is characterized in that a drive gear on the drive shaft of the input end of the transmission case is respectively meshed with a high-speed gear and a low-speed gear which are arranged on a high-speed shaft and a low-speed shaft through an intermediate wheel, and a high-speed knife flywheel and a low-speed knife flywheel are respectively arranged at output ends of the high-speed and the low-speed shafts. The stubble cleaner overcomes the shortcomings that the labor and the oil are wasted as well as the operation efficiency is low in the prior minitype stubble cleaner radically, and has reasonable structural design, easy manufacture, and simple and convenient operation, thereby obviously improving the stubble cleaning effect and the operation efficiency.

Description

The small-sized efficient stubble cleaner

Technical field

The utility model relates to whole ground of a kind of stubble-cleaning that is used for farm work device, particularly a kind of small-sized efficient stubble cleaner that can use with four-wheel tractor.This machine also can be designed to and the medium-sized or matching used structure of large sized tractor as required.

Background technology

Along with the improving constantly of agricultural mechanization degree, various agricultural machineries have obtained promoting the use of widely in recent years, and stubble cleaner is exactly wherein a kind of.The whole ground efficient that adopts stubble cleaner can make the field remove stubble, stubble-cleaning operation is significantly improved.The structure of existing small-sized stubble cleaner generally is to adopt an output shaft to drive the knife wheel set stubble-cleaning of assembling on the axle.This stubble cleaner is found to have the following disadvantages in actual applications: one, for the stubble village the effect of short stubble-cleaning operation still can, but it is undesirable for the stubble-cleaning operation effectiveness that the stubble village is long, its reason is that the institute stubble-cleaning village is more whole, can't be broken, so whole stubble not only twines cutter, and need constantly carry out the labor cleaning, could continue operation, both time-consuming, to require great effort again, its stubble-cleaning effect far can not satisfy customer requirements.If want to improve the speed of service that its stubble-cleaning effect must slow down tractor, this has reduced the operating efficiency of stubble cleaner to a certain extent again, oil consumption, takes a lot of work.Wait to improve so the class stubble cleaner is anxious.

The utility model content

The purpose of this utility model provides a kind of improved small-sized efficient stubble cleaner, it has overcome fundamentally that existing small-sized stubble cleaner exists takes a lot of work, oil consumption, defective that operating efficiency is low, and its reasonable in design is easy to manufacture, easy and simple to handle, significantly improve stubble-cleaning effect and operating efficiency.

The purpose of this utility model is achieved in that this machine comprises passing through the gearbox that has driving shaft that clutch is connected with power input shaft, be arranged on the stubble-cleaning knife wheel set on the output shaft of gear-box on having the frame of drawing gusset piece and being assembled in frame, its technical essential is: the driven wheel on the described gearbox input driving shaft by idle wheel respectively be arranged on the high, low speed axle on the high, low speed gear be meshed, high, low speed axle output is assembled the high, low speed knife wheel set respectively.

The both sides of described high, low speed output shaft output are assembled the high, low speed knife wheel set respectively, on each high speed break bar small blade are set, and on each low speed break bar big blade are set.

The high, low speed knife wheel set top that is assembled in described high, low speed axle output both sides respectively is provided with protective cover.

Because the driving shaft of the utility model gearbox is connected with power input shaft by clutch, and make on the gearbox input driving shaft driven wheel by idle wheel respectively be arranged on height, height on the slow-speed shaft, low-speed gear is meshed, utilize high, the height that the slow-speed shaft output is assembled respectively, the low speed knife wheel set, driving minor diameter high speed knife wheel set respectively at first pulverizes the stubble village on soil layer surface, whole stubble is become broken stubble to go out and removes, driving the large diameter low speed knife wheel set again goes out to a dark soil stubble root and removes, so reasonable in design, easy to manufacture, easy and simple to handle, reached the effect of double output shaft interlock stubble-cleaning.Because of making the percentage of damage of stubble-cleaning, this function reaches more than 95%, this whole stubble of not only having avoided existing small-sized stubble cleaner to exist effectively twines cutter, handle take a lot of work, the disadvantage of low speed oil consumption, need not the labor cleaning behind the stubble-cleaning, stalk is the field fully also, and can improve the speed of travel of tractor, stubble-cleaning effect and operating efficiency are significantly improved, thereby reduce the stubble-cleaning cost.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.

Fig. 2 be Fig. 1 dismantle protective cover and adjust pull bar after vertical view.

Fig. 3 is that the gearbox among Fig. 1 is dismantled behind the case lid along the profile of A-A line.

Sequence number explanation among the figure: 1 slow-speed shaft, 2 protective covers, 3 big blades, 4 support arms, 5 low speed break bars, 6 are adjusted end cap, 11 small blades, 12 high speed break bars, 13 high speed shafts, 14 gearboxes, 15 case lids, 16 clutches, 17 back-moving springs, 18 low-speed gears, 19 idle wheels, 20 high gears, 21 idle wheels, 22 driven wheels, 23 driving shafts of rod assembly, 7 handles, 8 belt pulleys, 9 traction gusset pieces, 10 band adapter sleeves.

Embodiment

Describe concrete structure of the present utility model in detail according to Fig. 1-Fig. 3.This machine is improved on the architecture basics of existing small-sized stubble cleaner, will have gearbox body now and do corresponding improvement.This machine mainly by on having the frame of drawing gusset piece 9 and being assembled in frame pass through the gearbox that has driving shaft 23 14 that clutch 16 is connected with power input shaft, the parts such as stubble-cleaning knife wheel set that are arranged on the output shaft of gear-box are formed.An end that wherein draws gusset piece 9 is hinged on the end cap 10 of band adapter sleeve of gearbox 14 driving shafts 23 ends, can make the tilt variation of 9 automated randomized of gusset pieces of traction and around circumferentially the rotating of the adapter sleeve of end cap 10, traction gusset piece 9 other ends are connected with the back hanger bracket of four-wheel tractor.Meanwhile, utilize driving-belt that the belt pulley on the power take-off of the belt pulley 8 of power input shaft and tractor is connected, and pass through the handle 7 of clutch 16 and the clutch that back-moving spring 17 is controlled power input shafts and driving shaft 23, thereby the action of control driving shaft 23.Gearbox 14 is provided with high speed shaft 13 and slow-speed shaft 1, and the driven wheel 22 that makes gearbox 14 input driving shafts 23 is meshed with high, low speed gear 20,18 on the high, low speed axle 13,1 respectively by the idle wheel on the intermediate propeller shaft 19,21, thereby sends power to high speed shaft 13 and slow-speed shaft 1 respectively.High, low speed axle 13,1 output at gearbox 14 is assembled the high, low speed knife wheel set respectively, to reach the purpose that the twin shaft wheel carrying knife rotates stubble-cleaning simultaneously.In order to bring into play the effect of high, low speed knife wheel set better, can on each high speed break bar 12, small blade 11 be set, big blade 3 is set on each low speed break bar 5.Specification, quantity and the arrangement mode that large and small blade 3,11 uses on break bar should be determined according to concrete applying working condition.Divide the high, low speed knife wheel set that is listed in 13,1 liang of output of high, low speed axle, can adjust to adapt to the needs of different row spacings on the axle separately respectively.According to user's needs and possibility, different blades and break bar are carried out specialized designs, can also make this small-sized efficient stubble cleaner and the medium-sized or supporting use of large sized tractor.For the purpose of safe in utilization, can above the high, low speed knife wheel set of high, low speed axle 13,1 output both sides, protective cover 2 be set respectively, this protective cover 2 is fixed on the adaptation position of frame by support arm 4.It is underground that this protective cover 2 can also make broken stubble turn over smoothly to be embedded in, and helps realizing straw-returning.

The other end that is connected the adjustment rod assembly 6 of tractor-drawn part is hinged on gearbox 5 case lids 15, play respectively the effect of the difference in height of burying of the high, low speed knife wheel set of adjusting high, low speed axle 13,1 output that is assembled in gearbox 14, and then satisfy the go out requirement of root of stem, dark soil of going out of shallow soil.

Other operations in use of this machine are basic identical with existing small-sized stubble cleaner operation.

Claims (3)

1, a kind of small-sized efficient stubble cleaner, comprise passing through the gearbox that has driving shaft that clutch is connected with power input shaft, be arranged on the stubble-cleaning knife wheel set on the output shaft of gear-box on having the frame of drawing gusset piece and being assembled in frame, it is characterized in that: the driven wheel on the described gearbox input driving shaft by idle wheel respectively be arranged on the high, low speed axle on the high, low speed gear be meshed, high, low speed axle output is assembled the high, low speed knife wheel set respectively.

2, small-sized efficient stubble cleaner according to claim 1 is characterized in that: the both sides of described high, low speed output shaft output are assembled the high, low speed knife wheel set respectively, on each high speed break bar small blade are set, and on each low speed break bar big blade are set.

3, small-sized efficient stubble cleaner according to claim 1 is characterized in that: the high, low speed knife wheel set top that is assembled in described high, low speed axle output both sides respectively is provided with protective cover.