CN204741702U - Plough weeder a little - Google Patents

Abstract

A micro-tillage weeder, comprising a transmission assembly, an engine connected to the transmission assembly through a clutch, an armrest frame installed on the transmission assembly box, a knife shaft arranged on the transmission assembly, and a knife shaft arranged symmetrically The weeding assembly at both ends; the transmission assembly is composed of an upper transmission and a transmission mechanism; the upper transmission is a two-speed manual transmission, and the transmission mechanism consists of a housing, a bridge gear, a high-speed driving gear, a high-speed driven gear, a low-speed driving gear and a low-speed driving gear. Composed of driven gears; the weeding assembly includes a low-speed shaft sleeve and a high-speed shaft sleeve; two circles of outer cultivating knife systems are arranged on the outer circular surface of the high-speed shaft sleeve, and the outer weeding knives in the two circles of outer cultivating knife systems are staggered; The outer weeding knife is connected with the outer rotary tiller seat through bolts, and the outer weeding knife seat is vertically fixed with the high-speed shaft sleeve. The utility model can complete the two processes of rotary tillage and weeding in one operation, which improves the work efficiency of agricultural production and reduces labor intensity.

Description

Micro tillage weeder

technical field

The utility model belongs to the technical field of agricultural machinery, in particular to a micro tillage and weeding machine.

Background technique

At present, the control of crop weed damage mainly relies on chemical control. Excessive use of herbicides has seriously affected the quality of agricultural products and food safety, and mechanized weeding is an important way to solve this problem.

Large-scale cultivator weeders are mainly used for plain food crops, and are not suitable for small plots of vegetables, rice, fruits or tea. At present, the rotation speed of micro-tillers is 250-300rpm, which can only be used for rotary tillage soil. When used for weeding operations, the rotation speed is low, and it is difficult to chop weeds.

Utility model content

In order to solve the defects that the existing large-scale intertillage and weeding machines are not suitable for small plots, and it is difficult for micro-tillage machines to cut weeds, the utility model designs a micro-tillage and weeding machine that is not only suitable for small plots, but also has rotary tillage and weeding. .

A micro tillage weeder, comprising a transmission assembly 4, an engine 1 connected to the transmission assembly 4 through a clutch 2, an armrest frame 3 installed on the transmission assembly case 400, and a cutter shaft arranged on the transmission assembly 4 500, and the weeding assembly symmetrically arranged at both ends of the cutter shaft 500, the transmission assembly 4 is composed of an upper transmission and a transmission mechanism;

The upper transmission is a two-speed manual transmission, its input shaft 410 is connected to the clutch, one end of its output shaft 420 is located in the hollow cavity of the casing 400, and a driving bevel gear 423 is fixedly set;

A gear shaft 430 is arranged in the cavity of the box body 400, and the gear shaft 430 and the output shaft 420 are vertically arranged; one end of the gear shaft 430 is fixedly sleeved with a driven bevel gear 431, and the driven bevel gear 431 is connected to the driving bevel gear. 423 meshing, the fixed sleeve in the middle of the gear shaft 430 is provided with a power output gear 432; the bottom end of the casing 400 corresponding to the power output gear 432 is an oblique opening;

The transmission mechanism is composed of a housing 401, a bridge gear 44, a high-speed driving gear 45, a high-speed driven gear 50, a low-speed driving gear 46 and a low-speed driven gear 48;

The housing 401 is a rectangular flat box with an open upper end, and the opening of the housing 401 is connected with the oblique opening at the bottom of the box body 400; the bridge gear 44 is arranged at the open end of the housing 401 part, and meshes with the power output gear 432;

The high-speed driving gear 45 and the high-speed driven gear 50 are in an upper and lower meshing shape, and are co-located inside the lower end of the housing 401. The high-speed driving gear 45 is engaged with the bridge gear 44 for transmission, and the high-speed driving gear 45 gears Both ends of the shaft are fixedly set with a low-speed driving gear 46; the radial reference planes of the power output gear 432, the bridge gear 44, the high-speed driving gear 45 and the high-speed driven gear 50 are all located on the same plane;

The high-speed driven gear 50 is fixedly sleeved on the cutter shaft 500, and both ends of the cutter shaft 500 extend outward from the housing 401;

The weeding assembly includes a low-speed bushing 518 and a high-speed bushing 514;

The low-speed shaft sleeve 518 is coaxially sleeved on the inner section of the extension end of the cutter shaft 500, the inner end of the low-speed shaft sleeve 518 extends into the housing 401, and the inner circular surface of the inner extension end of the low-speed shaft sleeve 518 and the output shaft 500 The output shaft bearing 511 is set in the matching sleeve between them, and the low-speed sleeve bearing 512 is set in the low-speed sleeve bearing 512 on the outer circular surface of the inner extension of the low-speed sleeve 518, and the low-speed sleeve bearing 512 is fitted on the bearing seat 510 of the housing 401. ;

Low-speed driven gears 48 are fixedly sleeved on the ends of the inner extension ends of the low-speed sleeves 518 located on both sides of the cutter shaft 500, and the two low-speed driven gears 48 are respectively meshed with the two low-speed driving gears 46 to realize low-speed driving. The low-speed rotation of the axle sleeve 518, the outer circular surface of the low-speed axle sleeve 518 is provided with more than one inner cultivating knife system, and each inner cultivating knife system contains more than two internal rotary cultivating knives 516 arranged radially;

The high-speed shaft sleeve 514 is fixedly sleeved on the outer section of the cutter shaft 500, and the outer circular surface of the high-speed shaft sleeve 514 is provided with more than one circle of outer cultivating knife systems, and each circle of outer cultivating knife systems contains more than two radially arranged outside weeding knife.

The input shaft 410 of the upper transmission is fitted with the first double gear, which is followed by the first gear driving gear 411 and the second gear driving gear 412; the upper transmission output shaft 420 is fitted with the first double gear corresponding to The second double-linked gears are the first-speed driven gear 421 and the second-speed driven gear 422 in sequence; under the action of the shift fork of the upper transmission, two transmission states can be realized: one is the first-speed driving gear 411 and the first-speed driving gear 411 The driven gear 421 meshes, the second gear driving gear 412 is separated from the second gear driven gear 422, and the other is the first gear driving gear 411 is separated from the first gear driven gear 421, and the second gear driving gear 412 is separated from the second gear. The high-speed transmission state in which the driven gear 422 is meshed.

The inner rotary blade 516 is connected with the inner rotary blade seat 515 by bolts, and the inner rotary blade seat 515 is vertically fixed with the low-speed shaft sleeve 518; the outer rotary blade is connected with the outer rotary blade seat by bolts, and the outer rotary blade seat is connected with the The high-speed axle sleeve 514 is vertically fixed.

The outer circumference of the low-speed shaft sleeve 518 is provided with two circles of inner cultivating blade systems, and the inner rotary cultivating blades 516 in the two circles of inner cultivating knife systems are in a staggered distribution;

The outer circumference of the high-speed shaft sleeve is provided with two circles of outer cultivating knife systems, and the outer weeding knives in the two circles of outer cultivating knife systems are in a staggered distribution.

The clutch 2 is a wet multi-plate clutch.

The model of the engine 1 is a 170F gasoline engine.

Beneficial technical effects of the utility model:

(1) The utility model is equipped with an inner cultivating knife system and an outer cultivating knife system. The inner cultivating knife system is used for rotary tilling the soil, and the outer cultivating knife system is used for cutting weeds. On one device, both rotary tillage and The soil can also remove weeds, avoiding the defect that the existing micro tillage machines can only rotate the soil, which is difficult to remove weeds, and the weeds are not easy to regenerate, which can effectively reduce the amount of herbicides used.

(2) The transmission assembly of this utility model adopts the composition form of the upper transmission and the transmission mechanism, which can realize two transmission states. The inner cultivator system on the inner side is fixedly connected with the low-speed driven gear to realize the slow speed of 250-300rpm. High-speed rotation; the outside cultivating knife system is fixedly connected with the knife shaft to realize high-speed rotation at a speed of 500-600rpm; effective operations at different speeds can be performed on rotary tillage and weeding, which makes the utility model adaptable to various working conditions. .

(3) The utility model is ingeniously designed and easy to carry, and is very suitable for small plots of vegetables, rice, fruits or tea; the combined use of the inner and outer cultivating knives can not only ensure good soil cultivation quality, It can also eliminate weeds between rows and ensure a good growth environment for the planted plants.

(4) The utility model can complete the two processes of rotary tillage and weeding in one trip, which improves the work efficiency of agricultural production and reduces labor intensity.

Description of drawings

Fig. 1 is the front view of the assembly drawing of the present utility model.

Fig. 2 is a side view of the assembly drawing of the utility model.

Fig. 3 is a side view of the transmission assembly of the present invention.

Fig. 4 is a front view of the transmission assembly of the present invention.

Fig. 5 is a schematic diagram of the weeding assembly of the utility model.

Serial numbers in the above figure: engine 1, clutch 2, armrest frame 3, transmission assembly 4, box body 400, housing 401, input shaft 410, first gear driving gear 411, second gear driving gear 412, first gear driven gear 421 , second gear driven gear 422, output shaft 420, driving bevel gear 423, gear shaft 430, driven bevel gear 431, power output gear 432, bridge gear 44, high-speed driving gear 45, low-speed driving gear 46, low-speed driven Gear 48, high-speed driven gear 50, cutter shaft 500, bearing seat 510, output shaft bearing 511, low-speed sleeve bearing 512, positioning pin 513, high-speed sleeve 514, inner rotary blade seat 515, inner rotary blade 516, Low speed shaft sleeve 518.

Detailed ways

A micro tillage weeder, comprising a transmission assembly 4, an engine 1 connected to the transmission assembly 4 through a clutch 2, an armrest frame 3 installed on the transmission assembly case 400, and a cutter shaft arranged on the transmission assembly 4 500, and the weeding assembly symmetrically located at the two ends of the cutter shaft 500; the clutch 2 is a wet multi-plate clutch, and the model of the engine 1 is a 170F gasoline engine.

The transmission assembly 4 is composed of an upper transmission and a transmission mechanism;

The upper transmission is a two-speed manual transmission, one end of its input shaft 410 is connected to the clutch, and the input shaft 410 is fitted with a first double gear, which is followed by a first gear driving gear 411 and a second gear driving gear 412; The output shaft 420 of the output shaft 420 is equipped with a second double-link gear corresponding to the first double-link gear, which are followed by the first-speed driven gear 421 and the second-speed driven gear 422; under the action of the upper transmission fork, it can realize Two transmission states: one is a low-speed transmission state in which the first gear driving gear 411 meshes with the first gear driven gear 421 and the second gear driving gear 412 is separated from the second gear driven gear 422; the other is the first gear driving gear 411 and the second gear driven gear 422. The first gear driven gear 421 is separated, and the second gear driving gear 412 meshes with the second gear driven gear 422 in a high-speed transmission state; one end of the output shaft 420 is located in the hollow cavity of the box body 400, and the fixed sleeve is provided with a driving bevel gear 423;

A gear shaft 430 is arranged in the cavity of the box body 400, and the gear shaft 430 and the output shaft 420 are vertically arranged; one end of the gear shaft 430 is fixedly sleeved with a driven bevel gear 431, and the driven bevel gear 431 is connected to the driving bevel gear. 423 meshing, the fixed sleeve in the middle of the gear shaft 430 is provided with a power output gear 432; the bottom end of the casing 400 corresponding to the power output gear 432 is an oblique opening;

The transmission mechanism is composed of a housing 401, a bridge gear 44, a high-speed driving gear 45, a high-speed driven gear 50, a low-speed driving gear 46 and a low-speed driven gear 48;

The housing 401 is a rectangular flat box with an open upper end, and the opening of the housing 401 is connected with the oblique opening at the bottom of the box body 400; the bridge gear 44 is arranged at the open end of the housing 401 part, and meshes with the power output gear 432;

The high-speed driving gear 45 and the high-speed driven gear 50 are in an upper and lower meshing shape, and are co-located inside the lower end of the housing 401. The high-speed driving gear 45 is engaged with the bridge gear 44 for transmission, and the high-speed driving gear 45 gears Both ends of the shaft are fixedly set with a low-speed driving gear 46; the radial reference planes of the power output gear 432, the bridge gear 44, the high-speed driving gear 45 and the high-speed driven gear 50 are all located on the same plane;

The high-speed driven gear 50 is fixedly sleeved on the cutter shaft 500, and both ends of the cutter shaft 500 extend outward from the housing 401;

The weeding assembly includes a low-speed bushing 518 and a high-speed bushing 514;

The low-speed shaft sleeve 518 is coaxially sleeved on the inner section of the extension end of the cutter shaft 500, the inner end of the low-speed shaft sleeve 518 extends into the housing 401, and the inner circular surface of the inner extension end of the low-speed shaft sleeve 518 and the output shaft 500 There is an output shaft bearing 511 in the matching sleeve, and a low-speed sleeve bearing 512 is provided on the outer circular surface of the inner extension end of the low-speed sleeve 518, and the low-speed sleeve bearing 512 is fitted on the bearing seat 510 of the housing 401. ;

Low-speed driven gears 48 are fixedly sleeved on the ends of the inner extension ends of the low-speed sleeves 518 located on both sides of the cutter shaft 500, and the two low-speed driven gears 48 are respectively meshed with the two low-speed driving gears 46 to realize low-speed driving. The low-speed rotation of the axle sleeve 518, the outer circular surface of the low-speed axle sleeve 518 is provided with two circles of inner cultivating knife systems, and the inner rotary cultivating knives 516 in the two circles of inner cultivating knife systems are in a staggered distribution. 516 is connected with the inner rotary tiller seat 515 by bolts, and the inner rotary tiller seat 515 is vertically fixed with the low-speed shaft sleeve 518;

The high-speed shaft sleeve 514 is fixedly sleeved on the outer section of the cutter shaft 500 through the positioning pin 513, and the outer circular surface of the high-speed shaft sleeve 514 is provided with two circles of the outer tiller system, and the outer weeding blades in the two circles of the outer tiller system The knives are distributed in a staggered manner; the outer weeding knives are connected to the outer rotary tiller seat by bolts, and the outer weeding knife seat is vertically fixed to the high-speed shaft sleeve 514.

Claims (6)

1. a micro-weeding machine, it is characterized in that: comprise transmission assembly (4), by the engine (1) that clutch (2) connects with transmission assembly (4), be arranged on the arm-rest frame (3) on transmission assembly casing (400), be arranged on the cutter shaft (500) on transmission assembly (4), and symmetry is located at the weeding assembly at cutter shaft (500) two ends;

Described transmission assembly (4) is made up of upper speed changer, transmission mechanism;

Described upper speed changer is two gear manual transmissions, and its power shaft (410) connects with clutch, and one end of its output shaft (420) is positioned at the cavity of casing (400) and fixed cover is provided with initiatively conical gear (423);

In the chamber of casing (400), be provided with gear shaft (430), gear shaft (430) is vertical setting with output shaft (420); One end fixed cover of gear shaft (430) is provided with driven bevel gear (431), driven bevel gear (431) engages with described active conical gear (423), and the middle part fixed cover of gear shaft (430) is provided with power output gear (432); Casing (400) bottom corresponding with power output gear (432) is oblique uncovered;

Described transmission mechanism is made up of housing (401), carrier gear (44), high speed driving gear (45), high speed driven gear (50), low-speed active gear (46) and low speed driven gear (48);

Described housing (401) for the rectangle that upper end is uncovered flat box-like, the oblique uncovered of uncovered and casing (400) bottom of housing (401) is connected; Described carrier gear (44) is located at the uncovered end in housing (401), and engages with power output gear (432);

Described high speed driving gear (45) goes to upper and lower with high speed driven gear (50) and engages shape, and coordinate the lower end being located at housing (401) inner, high speed driving gear (45) and described carrier gear (44) engaged transmission, and the equal fixed cover in two ends of high speed driving gear (45) gear shaft is provided with low-speed active gear (46); The radial reference face of power output gear (432), carrier gear (44), high speed driving gear (45) and high speed driven gear (50) is all in the same plane;

Described high speed driven gear (50) fixed cover is located on cutter shaft (500), and all protruding housing (401) in the two ends of cutter shaft (500);

Described weeding assembly comprises low speed axle sleeve (518), high speed axle sleeve (514);

Described low speed axle sleeve (518) coaxial sleeve is located on the external part inner segment of cutter shaft (500), the inner of low speed axle sleeve (518) puts in housing (401), between the inner headed face of low speed axle sleeve (518) inner extending end and output shaft (500), engagement sleeves is provided with output shaft bearing (511), on the periphery of low speed axle sleeve (518) inner extending end, engagement sleeves is provided with slow-speed shaft cover bearing (512), and described slow-speed shaft cover bearing (512) cooperation is located on the bearing block (510) of housing (401);

On the end being positioned at low speed axle sleeve (518) inner extending end of cutter shaft (500) both sides, all fixed cover is provided with low speed driven gear (48), two low speed driven gears (48) are engaged with described two low-speed active gear (46) are corresponding respectively, realize slowly running of low speed axle sleeve (518), the periphery of described low speed axle sleeve (518) is provided with the interior cultivated cutter system of a more than circle, often ploughs cutter system in circle and contains more than two the radial interior rotary blades (516) arranged;

Described high speed axle sleeve (514) fixed cover is located in the outer section of cutter shaft (500), and the periphery of high speed axle sleeve (514) is provided with the outer cultivated cutter system of a more than circle, and often more than two the radial outer weeding knifes arranged are contained in the outer cutter system of ploughing of circle.

2. the micro-weeding machine of one according to claim 1, is characterized in that: the upper engagement sleeves of power shaft (410) of described upper speed changer is provided with the first duplicate gear, is followed successively by a gear driving gear (411), two gears driving gear (412); The upper engagement sleeves of upper transmission output shaft (420) is provided with second duplicate gear corresponding with the first duplicate gear, is followed successively by a gear driven gear (421), two gears driven gear (422); Under the effect of upper gearshift fork, can realize two kinds of drive states: one is that a gear driving gear (411) and keeps off driven gear (421) and engages, two keeps off driving gear (412) and two and keep off the Low transmission state that driven gear (422) is separated, another kind is that a gear driving gear (411) and keeps off driven gear (421) and is separated, two keeps off driving gear (412) and two and keep off the high-speed drive state that driven gear (422) engages.

3. the micro-weeding machine of one according to claim 1, is characterized in that: interior rotary blade (516) is connected with interior rotary tillage cutter holder (515) by bolt, and interior rotary tillage cutter holder (515) is vertical with low speed axle sleeve (518) to be fixed;

Outer rotary blade is connected with outer rotary tillage cutter holder by bolt, and outer rotary tillage cutter holder is vertical with high speed axle sleeve (514) to be fixed.

4. the micro-weeding machine of one according to claim 1, is characterized in that: the excircle of described low speed axle sleeve (518) is provided with in two circles ploughs cutter system, and the interior rotary blade (516) in two circles in cultivated cutter system is in being in staggered distribution;

The excircle of high speed axle sleeve is provided with two circles and ploughs cutter system outward, and the outer weeding knife in the two outer cultivated cutter systems of circle is in being in staggered distribution.

5. the micro-weeding machine of one according to claim 1, is characterized in that: described clutch (2) is multi-disc wet clutch.

6. the micro-weeding machine of one according to claim 1, is characterized in that: the model of described engine (1) is 170F gasoline engine.